| blob | e124a493d01d7613e9e3c6ed36a838ff2926453f |
1 2006-07-03 Andrew Pinski <pinskia@physics.uc.edu>
3 * tree-cfgcleanup.c (remove_forwarder_block): Check if we
4 have an eh edge coming into the forwarder that there is only
5 one predecessor for the destination.
6 http://gcc.gnu.org/ml/gcc-patches/2005-10/msg00048.html
8 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10 * tree.h: Declare folding_initializer.
11 * builtins.c (fold_builtin_constant_p): Give definite answer
12 if folding inside an initializer.
13 * fold-const.c: Define folding_initializer.
14 (START_FOLD_INIT): Save and then set folding_initializer.
15 (END_FOLD_INIT): Restore folding_initializer.
17 2006-06-04 Richard Guenther <rguenther@suse.de>
19 PR tree-optimization/27039
20 * fold-const.c (fold_comparison): Handle pointer comparison
21 again for all comparison codes. Compare offsets in signed
22 size type.
23 (fold_binary): Move code from here.
25 2006-06-03 Roger Sayle <roger@eyesopen.com>
27 PR target/26223
28 * config/i386/i386.c (construct_container): Split static issued_error
29 flag into issued_sse_arg_error, issued_sse_ret_error and
30 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
31 requires the use of x87 registers and the user explicitly
32 specified the -mno-80387 command line option.
34 2006-06-02 Geoffrey Keating <geoffk@apple.com>
36 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
37 HAVE_DECL_SIGALTSTACK.
38 (MC_FLD): New.
39 (segv_handler): Use MC_FLD.
40 * configure.ac: Check for a sigaltstack declaration.
41 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
42 * configure: Regenerate.
43 * config.in: Regenerate.
45 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
47 PR other/27850
48 * Makefile.in (stmp-fixinc): Fix typo.
50 2006-06-02 Roger Sayle <roger@eyesopen.com>
52 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
53 are type correct. Clean-up.
54 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
55 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
57 2006-06-01 DJ Delorie <dj@redhat.com>
59 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
60 shift, as we've disabled the "switch" insn that needs it.
62 2006-06-01 Per Bothner <bothner@bothner.com>
64 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
65 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
66 * c-ppoutput.c (cb_define): Don't increment line 0.
68 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
70 * doc/invoke.texi: Add cpu_type power6.
71 * config.gcc: Add cpu_type power6.
72 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
73 to power5+ with Altivec.
74 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
75 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
77 2006-05-30 Anatoly Sokolov <aesok@post.ru>
79 * config/avr/avr.h (SET_ASM_OP): Define.
81 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
83 * config/bfin/bfin.c: Fix comment typos.
85 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
87 PR 25453
88 * doc/install.texi: Document --enable-bootstrap and
89 --disable-bootstrap.
91 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
93 * doc/install.texi: Document that InfoZIP can replace jar.
95 2006-05-31 Roger Sayle <roger@eyesopen.com>
97 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
98 isn't available, directly generate the simpler x87 patterns without
99 the (use (const_int 0)).
100 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
101 implementation isn't available.
102 (*negdf2_1): Likewise.
103 (*negxf2_1): XF mode negation is always done using the x87.
104 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
106 2006-05-31 Roger Sayle <roger@eyesopen.com>
108 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
109 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
110 cabs(z).
111 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
113 2006-05-31 Jie Zhang <jie.zhang@analog.com>
115 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
116 * config/bfin/bfin.c (basic-block.h): Include.
117 (struct machine_function): New.
118 (bfin_init_machine_status): New.
119 (override_options): Initialize init_machine_status.
120 (bfin_hardware_loop): New.
121 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
122 (DEF_VEC_P (loop_info)): New.
123 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
124 (struct loop_info): New.
125 (loop_info): New typedef.
126 (struct loop_work): New.
127 (loop_work): New typedef.
128 (DEF_VEC_O (loop_work)): New.
129 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
130 (bfin_dump_loops): New.
131 (bfin_bb_in_loop): New.
132 (bfin_scan_loop): New.
133 (bfin_optimize_loop): New.
134 (bfin_reorg_loops): New.
135 (bfin_reorg): Use bfin_reorg_loops.
136 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
137 loop registers.
138 (I_REGNO_P): Simplify.
139 (DP_REGNO_P, DPREG_P): New macros.
140 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
141 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
142 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
143 Add LT_REGS, LC_REGS, LB_REGS.
144 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
145 'l' for LB_REGS.
146 (REGNO_REG_CLASS): Deal with loop registers.
147 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
148 letters.
149 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
150 New constants for loop registers.
151 (UNSPEC_LSETUP_END): New.
152 (seq_insns): New define_attr. Set it for appropriate insns.
153 (movsi_insn): Add alternatives for move from/to
154 loop count registers.
155 (doloop_end): New define_expand.
156 (loop_end): New define_insn.
157 (define_split for bad doloop_end): New.
158 (lsetup_with_autoinit): New define_insn.
159 (lsetup_without_autoinit): New define_insn.
160 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
161 * config/bfin/predicates.md (lc_register_operand): New.
162 (lt_register_operand): New.
163 (lb_register_operand): New.
164 (nondp_register_operand): New.
165 (nondp_reg_or_memory_operand): New.
166 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
168 2006-05-31 Jie Zhang <jie.zhang@analog.com>
170 * config/bfin/bfin.c (bfin_delegitimize_address): New.
171 (TARGET_DELEGITIMIZE_ADDRESS): Define.
173 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
175 * Makefile.in (CATALOGS): Add po/ prefix.
176 * configure: Regenerated.
178 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
180 PR target/27829
181 * arm.c (arm_print_operand case 'S'): Validate that the operand is
182 a shift operand before calling shift_op. Avoid redundant call of
183 shift_op.
185 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
186 DJ Delorie <dj@redhat.com>
188 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
189 we're inserting is a singlt-bit constant.
191 2006-05-30 Roger Sayle <roger@eyesopen.com>
193 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
194 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
196 2006-05-30 Roger Sayle <roger@eyesopen.com>
198 PR tree-optimization/23452
199 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
200 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
201 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
202 complex values and with -ffast-math for FP complex values.
204 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
206 * c-common.h: Remove the prototype for yyparse.
207 * rtl.h: Remove the prototype for init_loop.
209 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
211 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
212 calling recog.
214 2006-05-30 Roger Sayle <roger@eyesopen.com>
216 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
217 and rotate cases.
218 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
219 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
221 2006-05-30 Dirk Mueller <dmueller@suse.de>
223 PR c/27273
224 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
225 for CONSTANT_CLASS_P expresisons.
227 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
229 PR c/27718
230 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
232 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
234 PR tree-optimization/27779
235 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
236 initial_condition instead of CHREC_LEFT.
238 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
240 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
241 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
242 Make prototypes ISO C90.
244 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
245 Leehod Baruch <leehod.baruch@weizmann.ac.il>
247 * see.c (see_analyze_one_def): Correct check.
248 (see_get_extension_data): Check if extension is parallel.
249 (see_get_extension_reg): Likewise.
251 2006-05-30 Uros Bizjak <uros@kss-loka.si>
253 PR target/27790
254 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
255 into register for (code == GTU).
257 2006-05-29 Roger Sayle <roger@eyesopen.com>
259 PR tree-optimization/24964
260 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
261 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
262 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
263 abs(x)*abs(x) as x*x for scalar floating point modes.
265 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
267 PR middle-end/27745
268 * lambda-code.c (perfect_nestify): Don't copy statements
269 in the inner loop: move them to the inner loop header.
271 2006-05-29 Diego Novillo <dnovillo@redhat.com>
273 PR 26237
274 * c-tree.texi: Document OpenMP directives and clauses.
276 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
278 * varasm.c (globalize_decl): Fix indentation.
280 2006-05-29 Diego Novillo <dnovillo@redhat.com>
282 PR 26242
283 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
284 pass_fre, pass_store_ccp, pass_copy_prop,
285 pass_store_copy_prop, pass_merge_phi, pass_nrv,
286 pass_return_slot, pass_object_size, pass_lim,
287 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
288 pass_loop_prefetch and pass_stdarg.
290 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
292 * config/bfin/bfin.opt (mfdpic): New option.
293 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
294 (EXTRA_MULTILIB_PARTS): Likewise.
295 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
296 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
297 multilib.
298 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
299 (CRT_CALL_STATIC_FUNCTION): New.
300 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
301 -shared.
302 (CRT_CALL_STATIC_FUNCTION): New.
303 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
304 FD-PIC moves.
305 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
306 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
307 (initialize_trampoline): Changed to handle FD-PIC code generation.
308 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
309 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
310 (override_options): Disallow -mid-shared-library -mfdpic combination.
311 Can't do unaligned ops if FD-PIC.
312 Turn off flag_pic if trying to generate non-id-shared-library
313 non-fdpic code, since it's not supported.
314 (bfin_assemble_integer): New function.
315 (TARGET_ASM_INTEGER): Define.
316 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
317 __BFIN_FDPIC__.
318 * config/bfin/crtn.s: Restore them.
319 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
320 if TARGET_FDPIC.
321 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
322 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
323 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
324 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
325 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
326 call-used.
327 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
328 FDPIC_REGS and FDPIC_FPTR_REGS.
329 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
330 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
331 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
332 (load_funcdescsi): New pattern.
333 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
334 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
335 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
337 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
339 * gcse.c, rtlanal.c: Remove obsolete comments associated with
340 loop.c.
342 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
344 * tree-flow.h: Remove the prototype for add_type_alias.
345 * tree-ssa-alias.c (add_type_alias): Remove.
347 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
349 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
350 config/fr30/fr30.md, config/i386/i386-interix.h,
351 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
352 config/sh/superh64.h, config/v850/v850.c, df-core.c,
353 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
354 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
355 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
356 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
357 Follow spelling conventions.
358 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
359 Follow spelling conventions.
361 2006-05-27 Richard Guenther <rguenther@suse.de>
363 PR middle-end/27773
364 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
365 to produce a constant of value 1 of generic type.
367 2006-05-27 Dirk Mueller <dmueller@suse.de>
369 * cgraphunit.c (decide_is_function_needed): Fix wrong
370 PR reference.
372 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
374 PR rtl-optimization/27661
375 * reload.c (find_reloads): When reloading a VOIDmode constant
376 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
377 use Pmode as mode of the reload register.
379 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
381 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
382 is enabled at -O and above.
384 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
386 PR target/27571
387 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
388 table data.
390 2006-05-25 Mark Mitchell <mark@codesourcery.com>
392 PR c++/20103
393 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
394 for anonymous variables explicitly declared by front ends.
396 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
398 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
399 (struct alias_info): Add new field ref_all_symbol_mem_tag.
400 * tree-ssa-alias.c (compute_may_aliases): If the program contains
401 ref-all pointers, run a finalization pass for them.
402 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
403 (finalize_ref_all_pointers): New function.
404 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
405 regular pointer type to a ref-all pointer type.
406 (get_tmt_for): Return the special memory tag for ref-all pointers.
408 2006-05-25 Richard Guenther <rguenther@suse.de>
410 PR middle-end/27743
411 * fold-const.c (fold_binary): Do not look at the stripped
412 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
414 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
416 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
417 for LT and GT if the computed range is effectively empty.
419 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
421 PR target/27627
422 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
423 mips_quad_format formats instead of ieee_single_format,
424 ieee_double_format and ieee_quad_format formats, respectively.
426 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
428 PR tree-optimization/27639
429 PR tree-optimization/26719
430 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
431 call to scev_probably_wraps_p.
432 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
433 used_in_pointer_arithmetic_p, convert_step): Removed.
434 (nowrap_type_p): New function.
435 (scev_probably_wraps_p): Rewritten.
436 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
437 chrec_convert if chrec_convert_aggressive might have been used.
438 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
439 scev_direction): New functions.
440 (chrec_convert): Changed to a wrapper over chrec_convert_1.
441 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
442 instead of convert_step.
443 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
444 (convert_step): Declaration removed.
445 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
447 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
449 * df-core.c: Added to header comments.
450 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
451 df_ur_bb_info, df_urec_bb_info): Added comments.
452 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
453 urec, ri problems): Fixed header comments.
454 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
455 code from df_rd_transfer_function.
457 2006-05-23 Richard Sandiford <richard@codesourcery.com>
459 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
460 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
461 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
463 2006-05-23 Joseph Myers <joseph@codesourcery.com>
465 * expr.c (undefined_operand_subword_p): New.
466 (emit_move_multi_word): Do not generate move from undefined bits
467 of a paradoxical subreg.
469 2006-05-23 Richard Sandiford <richard@codesourcery.com>
471 PR rtl-optimization/27736
472 * combine.c (replaced_rhs_value): New variable.
473 (combine_instructions): Set it.
474 (distribute_notes): When distributing a note in replaced_rhs_insn,
475 check whether the value was used in replaced_rhs_value.
477 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
479 PR c++/26757
480 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
481 add_referenced_var instead of add_referenced_tmp_var.
482 * tree-complex.c (create_one_component_var): Use add_referenced_var.
483 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
484 add_referenced_var.
485 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
486 tree_optimize_tail_calls_1): Use add_referenced_var.
487 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
488 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
489 Use add_referenced_var.
490 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
491 * gimplify.c (force_gimple_operand): Use add_referenced_var.
492 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
493 Use add_referenced_var.
494 * tree-dfa.c (struct walk_state): Remove.
495 (find_referenced_vars): Remove walk state and vars_found hash table.
496 (make_rename_temp): Use add_referenced_var.
497 (find_vars_r): Pass less parameters to add_referenced_var.
498 (referenced_var_p): New. Is var in referenced_var hash table.
499 (referenced_var_insert): Assert var isn't already in hash table.
500 (add_referenced_var): Don't need walk_state parameter. Add var if it
501 isn't already in the hash table.
502 (add_referenced_tmp_var): Remove.
503 (find_new_referenced_vars_1): Use add_referenced_var.
504 * tree-ssa-pre.c (create_expression_by_pieces,
505 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
506 Use add_referenced_var.
507 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
508 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
509 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
510 add_referenced_var.
511 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
512 vect_create_data_ref_ptr, vect_create_destination_var,
513 vect_init_vector, vect_build_loop_niters,
514 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
515 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
516 Use add_referenced_var.
517 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
518 * tree-flow.h (add_referenced_tmp_var): Remove prototype
519 (add_referenced_var): Add prototype.
520 * tree-ssa-structalias.c (get_constraint_for,
521 intra_create_variable_infos): Use add_referenced_var.
523 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
525 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
526 big-endian paradoxical subregs.
527 * var-tracking.c (struct micro_operation_def): Document that,
528 for modify micro operations, insn is the subsequent instruction.
529 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
530 (var_reg_set, var_mem_set): ... new functions.
531 (add_stores): Record subsequent insn.
532 (compute_bb_dataflow): Use new functions for MO_USE.
533 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
534 notes after the insn, and modify notes before the insn known
535 to be the subsequent one.
536 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
538 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
540 PR target/27696
541 * config/i386/i386.c (ix86_expand_builtin): Use
542 gen_sse3_monitor64 for TARGET_64BIT.
544 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
546 PR rtl-optimization/26375
547 PR rtl-optimization/26855
548 * df-problems (df_ru_bb_local_compute_process_def): Removed update
549 to gen set.
550 (df_ru_bb_local_compute): Reversed statements and removed bogus
551 comment explaining why they should be in wrong order.
552 (df_ru_dump, df_rd_dump): Enhanced debug info.
553 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
554 debug info.
555 * ddg.c (add_deps_for_def): Converted use of reaching defs to
556 reaching uses and fixed space problem.
558 2006-05-23 Jan Hubicka <jh@suse.cz>
560 * cgraphunit.c (decide_is_function_needed): Also nested functions
561 and functions declared inline can be optimized out at -O0.
563 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
565 * doc/install.texi (Configuration): Remove reference to CrossGCC
566 FAQ which was hijacked.
567 (Building): Ditto.
569 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
571 PR target/27266
572 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
573 ix86_compare_emitted is non-NULL.
575 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
577 PR c++/27451
578 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
579 clobbers.
581 2006-05-22 Richard Sandiford <richard@codesourcery.com>
583 PR rtl-optimization/25514
584 * combine.c (replaced_rhs_insn): New variable.
585 (combine_instructions): Set replaced_rhs_insn when trying to replace
586 a SET_SRC with a REG_EQUAL note.
587 (distribute_notes): Use replaced_rhs_insn when determining the live
588 range of a REG_DEAD register.
590 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
591 Anatoly Sokolov <aesok@post.ru>
593 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
594 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
595 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
596 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
597 atmega3290, atmega649, atmega6490, atmega406, atmega640,
598 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
599 at90usb647, at90usb1286 and at90usb1287 devices.
600 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
601 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
603 2006-05-22 Richard Sandiford <richard@codesourcery.com>
605 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
607 2006-05-22 Richard Guenther <rguenther@suse.de>
609 Revert
610 2006-01-31 Richard Guenther <rguenther@suse.de>
611 Paolo Bonzini <bonzini@gnu.org>
613 * doc/install.texi (--disable-libgcc-math): Document.
615 2006-05-22 Richard Guenther <rguenther@suse.de>
617 Revert
618 2006-01-31 Richard Guenther <rguenther@suse.de>
620 * doc/invoke.texi (-msselibm): Document.
621 * target.h (expand_library_builtin): New target hook.
622 * builtins.c (expand_builtin): Use expand_library_builtin.
623 (default_expand_library_builtin): New function.
624 * gcc.c (LINK_GCC_MATH_SPEC): Define.
625 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
626 (link_gcc_math_spec): Declare.
627 (static_specs): Add link_gcc_math_spec.
628 * expr.h (default_expand_library_builtin): Declare.
629 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
630 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
631 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
632 * config/i386/i386.opt (msselibm): New target option.
633 * config/i386/i386.c (ix86_builtin_function_variants): New array.
634 (ix86_init_sse_abi_builtins): New function.
635 (ix86_expand_library_builtin): Likewise.
636 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
637 (override_options): Handle error conditions wrt -msselibm.
638 (ix86_builtins): Add function codes for SSE2 ABI builtins.
639 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
640 * doc/extend.texi (__builtin_sse2_*): Document new target specific
641 builtins.
643 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
645 PR c/27420
646 * c-common.c (self_promoting_args_p): Skip erroneous args.
648 PR c/26818
649 * c-decl.c (finish_struct): Skip erroneous fields.
651 2006-05-22 Nick Clifton <nickc@redhat.com>
653 * config/cris/cris.opt (march): Remove VarExists attribute.
654 (max-stackframe=): Likewise.
656 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
658 * doc/rtl.texi: Fix a typo.
659 * see.c: Fix comment typos.
661 * tree-ssa-structalias.h (alias_info): Remove num_references.
663 2006-05-21 Mike Stump <mrs@apple.com>
665 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
666 (BAD2): Add.
667 (darwin_pragma_options): Use BAD instead.
668 (darwin_pragma_unused): Likewise.
669 (darwin_pragma_ms_struct): Likewise.
671 2006-05-21 David Edelsohn <edelsohn@gnu.org>
673 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
675 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
677 PR rtl-optimization/27671
678 * simplify-rtx.c (simplify_relational_operation_1): Fix
679 simplifications of (eq/ne (xor x y) y) and
680 (eq/ne (xor x y) x).
682 PR tree-optimization/26622.
683 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
684 on arg1.
686 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
688 * tree-cfg.c: Prune whitespace.
689 (debug_tree_cfg): Point to correct header containing the
690 TDF_* defines.
692 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
694 PR middle-end/25776
695 * cgraphunit.c (verify_cgraph_node): Typo in error message.
697 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
699 PR middle-end/25776
700 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
701 or sorry count is non zero.
703 2006-05-20 Andreas Schwab <schwab@suse.de>
705 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
707 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
708 Kenneth Zadeck <zadeck@naturalbridge.com>
710 PR rtl-optimization/26855
712 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
713 multiword refs.
714 (df_scan_alloc): Added code to properly handle multiword hard
715 registers and add all_blocks parameter.
716 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
717 code to properly handle multiword hard registers.
718 (df_rescan_blocks): Added code to remove deleted blocks from
719 bitmap.
720 (df_ref_create_structure, df_ref_record): Added code to properly
721 handle subregs.
722 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
723 and set DF_REF_PARTIAL.
724 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
725 (df_uses_record): Added DF_REF_PARTIAL for subreg.
726 (df_scan_add_problem): Added flags parameter.
727 (df_ref_create_structure): Changed switching structure.
728 (df_bb_refs_record): Fixed case where duplicate artificial refs
729 were created. Changed location of flags.
730 (df_record_entry_block_defs): Added code to make stack pointer
731 live in entry block. Refined cases where frame pointer is needed.
732 Changed location of flags.
733 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
734 (df_set_state): Removed function.
735 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
736 df_insn_create_insn_record, df_insn_refs_delete,
737 df_ref_create_structure): Formatting changes.
738 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
739 df_delete_basic_block): New function.
740 (df_init): Changed location of flags.
741 (df_add_problem): Added flags parameter and the way flags are
742 processed.
743 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
744 debug_df_chain): Improved debugging output.
745 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
746 (df_refs_chain_dump): Removed df parameter.
747 (df_iterative_dataflow): Added consistency check.
748 (df_prune_to_subcfg): Made public.
749 (df_analyze_problem): Added blocks_to_init parameter and made
750 public.
751 (df_ref_record, df_bb_refs_record, df_mark_reg,
752 df_record_exit_block_uses): Whitespace changes.
753 (df_dump): Whitespace changes.
754 * df.h: Some reordering to remove forward references.
755 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
756 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
757 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
758 (dataflow.flags): New field.
759 (df.flag): Deleted field.
760 (df_alloc_function): Added additional bitmap parameter.
761 (df_dependent_problem_function): New type.
762 (df_problem.changeable_flags): New field.
763 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
764 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
765 (df_mw_hardreg): New struct.
766 (DF_INSN_UID_MWS): New macro.
767 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
768 parameter.
769 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
770 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
771 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
772 (df_set_state): Removed function.
773 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
774 * df-problems.c (df_chain_dump): Removed df parameter.
775 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
776 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
777 parameter.
778 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
779 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
780 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
781 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
782 DF_REF_MUST_CLOBBER cases.
783 (df_ru_bb_local_compute_process_def,
784 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
785 df_lr_bb_local_compute, df_ur_bb_local_compute,
786 df_chain_create_bb): Made subreg aware.
787 (df_ru_bb_local_compute, df_rd_bb_local_compute,
788 df_lr_bb_local_compute, df_lr_bb_local_compute,
789 df_chain_create_bb): Cleanup to use proper macros.
790 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
791 code to fixup bitvectors.
792 (df_ri_alloc): Cleared lifetime.
793 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
794 df_create_unused_note): New function.
795 (df_ri_bb_compute, df_ri_compute): Added code to create/update
796 REG_DEAD and REG_UNUSED notes as well as register information.
797 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
798 df_chains_dump): Fixed crash if problem was never run.
799 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
800 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
801 df_ri_add_problem): Processes flags in uniform manner.
802 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
803 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
804 df_rd_dump, df_urec_free_bb_info): Formatting changes.
805 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
806 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
807 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
808 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
809 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
810 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
811 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
812 * see.c (see_initialize_data): Ditto.
813 * final.c (rest_of_clean_state) Added regstack_completed.
814 * rtl.h (regstack_completed): Ditto.
815 * reg-stack.c (regstack_completed): Ditto.
817 2006-05-19 Mike Stump <mrs@apple.com>
819 * c-tree.h (default_conversion): Remove.
820 * c-common.h (default_conversion): Add.
822 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
824 * tree-vrp.c (valid_value_p): New function.
825 (adjust_range_with_scev): Fail if the value of bound is not
826 simple.
828 2006-05-19 Richard Sandiford <richard@codesourcery.com>
830 * config/mips/linux-unwind.h: Include <asm/unistd.h>
831 (mips_fallback_frame_state): Use syscall numbers to determine
832 the appropriate li instruction for the current ABI. Only use
833 __NR_sigreturn for o32.
835 2006-05-19 Nicolas Setton <setton@adacore.com>
837 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
838 * langhooks.c (lhd_dwarf_name): New function.
839 * langhooks-def.h (lhd_dwarf_name): Declare.
840 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
841 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
842 * ada/misc.c (gnat_dwarf_name): New function.
843 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
845 2006-05-19 Richard Sandiford <richard@codesourcery.com>
847 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
848 libgcc2.h.
849 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
850 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
851 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
852 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
853 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
854 determine the size of Wtype, etc.
855 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
856 (swfloatfuncs): New variable.
857 (dwfloatfuncs): Likewise.
858 (lib2funcs): Remove floating-point conversion functions from
859 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
860 the set of conversion routines needed. Allow entries to specify
861 an object name, filename and word size. Update users accordingly.
862 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
863 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
865 Revert:
867 2006-02-08 Roger Sayle <roger@eyesopen.com>
869 PR target/22209
870 * config/fixtfdi.c: New libgcc source file.
871 * config/fixunstfdi.c: New source file.
872 * config/floatditf.c: New source file.
873 * config/floatunditf.c: New souce file.
874 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
875 files above instead of config/mips/_tilib.c.
876 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
878 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
880 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
881 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
883 2006-05-18 Mike Stump <mrs@apple.com>
885 Fix up vla, vm and [*] sematics.
887 PR c/18740
888 PR c/7948
889 PR c/25802
890 PR c/27673
891 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
892 (c_vla_unspec_p): Add.
893 (c_vla_type_p): Add.
894 * c-decl.c (struct c_scope): Add had_vla_unspec.
895 (build_array_declarator): Add support for [*].
896 (grokdeclarator): Likewise.
897 (grokparms): Likewise.
898 (get_parm_info): Likewise.
899 * c-objc-common.c (c_vla_unspec_p): Likewise.
900 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
901 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
902 typeof when argument is a variably modified type not inside sizeof or alignof.
903 (c_parser_direct_declarator_inner): Propagate errors.
904 (c_parser_sizeof_expression): Add support for [*].
905 (c_parser_parms_declarator): Initialize had_vla_unspec.
906 (c_parser_parms_list_declarator): Likewise.
907 * c-typeck.c (c_vla_type_p): Add.
908 (composite_type): Add support for vla compositing.
909 (comptypes_internal): Add support for vla compatibility.
910 (c_expr_sizeof_expr): Evaluate vla arguments.
911 * tree.c (variably_modified_type_p): Update comment for [*].
913 2006-05-18 Michael Matz <matz@suse.de>
915 PR target/27599
916 * config.host: Make assignments to host_xmake_file cumulative.
917 * config.host (*-darwin*): Test $host, not $target.
919 2006-05-12 Stuart Hastings <stuart@apple.com>
921 * config/i386/i386.opt (-mstackrealign): New flag.
922 * config/i386/i386.c (force_align_arg_pointer): New attribute.
923 (ix86_handle_cconv_attribute): Emit error when
924 force_align_arg_pointer attribute collides with too many regparms.
925 (ix86_function_regparm): Limit regparms when used with
926 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
927 Support stack-realigning prologue in non-main functions. Emit
928 warning for nested functions under -mstackrealign, emit error for
929 nested functions with force_align_arg_pointer attribute.
930 * doc/extend.texi (force_align_arg_pointer): Document it.
931 * doc/invoke.texi (-mstackrealign): Document it.
933 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
935 PR rtl-optimization/27477
936 * combine.c (try_combine): Don't split a parallel consisting
937 of two sets into two individual sets if both sets reference
938 cc0.
940 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
942 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
943 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
945 * doc/options.texi (VarExists): Updated.
947 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
949 * unwind-dw2.c: Add declarations for uw_update_context and
950 uw_frame_state_for.
951 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
952 detected, advance frame state and context once to skip over stub.
954 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
956 PR middle-end/20256
957 PR middle-end/26435
958 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
959 Call rewrite_into_loop_closed_ssa only when something changed.
960 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
961 * lambda-code.c (can_convert_to_perfect_nest): Declared.
962 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
963 Test for perfect_nest_p here. Fix formating.
964 (replace_uses_equiv_to_x_with_y): Fix formating.
965 (stmt_uses_op): Removed.
966 (can_convert_to_perfect_nest): Removed loopivs parameter.
967 Complete the test by checking the scalar dependences.
968 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
969 Fix formating.
971 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
973 PR bootstrap/22541
974 From Dan Kegel <dank@kegel.com>:
975 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
977 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
979 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
980 if the element type is variably modified without recursing.
982 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
984 PR middle-end/27332
985 * tree-loop-linear.c (try_interchange_loops): Test for
986 no data dependences.
988 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
990 PR tree-optimization/27548
991 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
992 range of ssa names that appear on abnormal edges.
993 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
994 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
996 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
998 PR middle-end/27620
999 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1001 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1003 PR middle-end/27415
1004 * tree.h (OMP_PARALLEL_COMBINED): Define.
1005 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1006 (new_omp_context): Add is_combined_parallel argument.
1007 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1008 new_omp_context caller.
1009 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1010 Adjust gimplify_scan_omp_clauses callers.
1011 (omp_is_private): Issue errors if iteration variable is firstprivate
1012 or reduction in the current context.
1013 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1014 on combined parallel workshare constructs.
1016 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1018 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1019 (gcc-options.o): New rule.
1021 * optc-gen.awk: Protect variables for gcc-options.o with
1022 #ifdef GCC_DRIVER/#endif.
1024 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1026 Fix PR tree-optimization/27373
1027 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1028 (forward_propagate_addr_expr): Update call.
1030 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1032 * doc/options.texi: Move the Negative option.
1034 2006-05-16 Richard Guenther <rguenther@suse.de>
1036 PR tree-optimization/22303
1037 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1038 from STRING_CSTs.
1039 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1040 ccp_fold did not simplify the statement.
1042 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1044 PR driver/26885
1045 * Makefile.in (GCC_OBJS): New.
1046 (OBJS-common): Add opts-common.o.
1047 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1048 (cpp$(exeext)): Likewise.
1049 (gcc.o): Also depend on opts.h.
1050 (opts-common.o): New.
1052 * common.opt (gcoff): Add Negative(gdwarf-2).
1053 (gdwarf-2): Add Negative(gstabs).
1054 (gstabs): Add Negative(gstabs+).
1055 (gstabs+): Add Negative(gvms).
1056 (gvms): Add Negative(gxcoff).
1057 (gxcoff): Add Negative(gxcoff+).
1058 (gxcoff+): Add Negative(gcoff).
1059 * config/i386/i386.opt (m32): Add Negative(m64).
1060 (m64): Add Negative(m32).
1062 * doc/options.texi: Document the Negative option.
1064 * gcc.c: Include "opts.h".
1065 (main): Call prune_options after expandargv.
1067 * optc-gen.awk: Generate common declarations for all flag
1068 variables in options.c. Output the neg_index field.
1070 * opts.c (find_opt): Moved to ...
1071 * opts-common.c: Here. New file.
1073 * opts.h (cl_option): Add a neg_index field.
1074 (find_opt): New.
1075 (prune_options): Likewise.
1077 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1079 PR middle-end/27573
1080 * omp-low.c (expand_omp_parallel): Don't assert
1081 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1082 instead search for it.
1084 PR c/27499
1085 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1086 is signed.
1088 2006-05-16 Andreas Schwab <schwab@suse.de>
1090 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1091 defmac.
1093 2006-05-15 Roger Sayle <roger@eyesopen.com>
1095 PR target/26600
1096 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1097 integer constants other than zero are only legitimate on TARGET_64BIT.
1098 <CONST_VECTOR> Only zero vectors are legitimate.
1099 (ix86_cannot_force_const_mem): Integral and vector constants can
1100 always be put in the constant pool.
1102 2006-05-16 DJ Delorie <dj@redhat.com>
1104 * crtstuff.c (__dso_handle): Set section from
1105 TARGET_LBIGCC_SDATA_SECTION if defined.
1106 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1107 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1109 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1111 PR target/27599
1112 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1113 host_xmake_file.
1115 2006-05-16 Ben Elliston <bje@au.ibm.com>
1117 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1119 2006-05-15 Per Bothner <per@bothner.com>
1121 * tree.c: (last_annotated_node): Use source_locus typedef.
1122 This permits bootstrapping with --enable-mapped-location.
1124 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1126 PR tree-optimization/26830
1127 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1128 (info_for_ssa_name, current_info_for_ssa_name_age,
1129 blocks_to_update): New variables.
1130 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1131 (clear_ssa_name_info, initialize_flags_in_bb,
1132 mark_block_for_update): New functions.
1133 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1134 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1135 prepare_def_site_for): Use mark_block_for_update.
1136 (mark_def_interesting): Assert that the processed block is marked in
1137 blocks_to_update. Do not take blocks argument.
1138 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1139 argument.
1140 (rewrite_update_init_block, rewrite_update_stmt): Only process
1141 blocks with statements to rewrite.
1142 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1143 (update_ssa): Initialize and free blocks_to_update. Do not
1144 clear flags on statements. Do not use blocks bitmap.
1145 * tree.h (SSA_NAME_AUX): Removed.
1146 (struct tree_ssa_name): Removed aux field.
1147 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1149 2006-05-15 Richard Guenther <rguenther@suse.de>
1151 PR tree-optimization/27603
1152 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1153 Do computations in original type.
1155 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1157 * see.c: Code style changes such as redundant paranthesis,
1158 redundant intialization of local variables etc.
1159 (see_main): Declared now as static.
1160 * doc/invoke.texi: Update that -fsee is not enabled by
1161 default at -O3.
1163 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1165 * omp-low.c (check_omp_nesting_restrictions): New function.
1166 (scan_omp_1): Call it.
1168 PR middle-end/27416
1169 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1170 construct, return *VAR.
1172 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1174 PR rtl-optimization/27406
1175 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1176 edges.
1178 2006-05-14 Roger Sayle <roger@eyesopen.com>
1180 PR rtl-optimization/27538
1181 * combine.c (expand_compound_operation): Call gen_lowpart
1182 before calling simplify_shift_const.
1184 2006-05-14 Roger Sayle <roger@eyesopen.com>
1186 PR rtl-optimization/22563
1187 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1188 a fixed width bitfield, always force the intermediates into psuedos.
1190 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1192 PR 27501
1193 * mkconfig.sh: Use operator = instead of == for test.
1195 2006-05-13 Nick Clifton <nickc@redhat.com>
1197 * dwarf2out.c (dbx_reg_number): Check return value from
1198 LEAF_REG_REMAP and only use it if it is valid.
1199 (multiple_reg_loc_descriptor): Likewise.
1201 2006-05-13 Richard Guenther <rguenther@suse.de>
1203 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1204 host_xmake_file.
1206 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1208 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1209 information attached to non-INSNs such as NOTEs.
1210 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1212 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1214 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1215 On contraint.
1216 * config/s390/s390.md: Adjust comment describing On constraint.
1218 2006-05-11 Jan Hubicka <jh@suse.cz>
1220 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1221 to be output at -O0.
1223 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1225 PR middle-end/27384
1226 * fold-const.c (size_binop): Move sanity check for arguments to
1227 the beginning of the function.
1229 PR middle-end/27488
1230 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1231 expression.
1233 2006-05-11 Richard Guenther <rguenther@suse.de>
1235 PR middle-end/27529
1236 * fold-const.c (fold_unary): Handle intermediate conversion
1237 to a pointer type like intermediate conversion to an integer
1238 type in folding of (T1)(T2)var to var.
1239 Match the code to the comment in the final conversion for
1240 (T1)(T2)var to (T1)var regarding to type precision. Rather
1241 than disallow T1 being of pointer type, assert that both T1
1242 and var are of pointer type or not. Make sure not to fall
1243 over the frontends lazyness wrt array to pointer decay though.
1245 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1247 * arm.c (arm_struct_value_rtx): Delete.
1248 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1249 (arm_init_cumulative_args): Always initialize nregs to zero.
1251 2006-05-10 Richard Guenther <rguenther@suse.de>
1253 PR tree-optimization/27532
1254 * tree-object-size.c (plus_expr_object_size): Fix typo.
1256 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1258 PR target/24949
1259 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1260 ashrdi_const, ashrdi3): Use a scratch register.
1262 2006-05-10 Richard Guenther <rguenther@suse.de>
1264 PR tree-optimization/27302
1265 * fold-const.c (operand_equal_p): For two comparisons,
1266 try comparison of one comparison code swapped if that yields
1267 the same code.
1269 2006-05-10 Ben Elliston <bje@au.ibm.com>
1271 * tree-pretty-print.c (pretty_print_string): No need to handle
1272 '\0' as a special character.
1274 * tree.h: Include "hashtab.h".
1275 (iterative_hash_expr): Use hashval_t in its prototype.
1276 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1278 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1280 PR bootstrap/26872
1281 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1282 (hppa*64*-*-hpux11*): Ditto.
1283 (hppa[12]*-*-hpux11*): Ditto.
1285 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1287 PR target/26545
1288 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1290 2006-05-09 Michael Matz <matz@suse.de>
1292 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1293 host_extra_gcc_objs and host_xmake_file.
1294 (<*-*-linux*>): Don't overwrite host_xmake_file.
1295 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1296 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1297 (host_detect_local_cpu): Declare.
1298 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1299 * config/i386/i386.c (override_options): Handle -mtune=native
1300 as -mtune=generic.
1301 * config/i386/x-i386: New file.
1302 * config/i386/driver-i386.c: New file.
1303 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1304 cpu-type "native".
1306 2006-05-09 Dirk Mueller <dmueller@suse.de>
1307 Richard Guenther <rguenther@suse.de>
1309 PR middle-end/27498
1310 * fold-const.c (fold_read_from_constant_string): Relax check
1311 for matching types to matching modes.
1313 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1315 PR rtl-optimization/27335
1316 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1317 loops.
1319 2006-05-08 Chao-ying Fu <fu@mips.com>
1320 Richard Sandiford <richard@codesourcery.com>
1322 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1323 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1324 * config/mips/mips.md (UNSPEC_SCC): New constant.
1325 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1326 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1327 (mips_emit_compare): Use it.
1328 (mips_expand_vcondv2sf): New function.
1330 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1332 Fix PR tree-optimization/27093
1333 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1334 renaming when they become not-used_alone.
1336 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1338 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1339 relocation and relocation stubs.
1341 2006-05-08 Eric Christopher <echristo@apple.com>
1343 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1344 section for ppc.
1346 2006-05-08 Jan Hubicka <jh@suse.cz>
1348 PR middle-end/24561
1349 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1350 unused static functions are needed.
1352 2006-05-08 Roger Sayle <roger@eyesopen.com>
1354 PR target/27158
1355 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1356 of a reg_equiv_constant if the result is a legitimate constant.
1358 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1360 PR target/27277
1361 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1362 standard 80387 constants, raise the cost to prevent
1363 compress_float_constant() to generate load from memory.
1365 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1367 * config/arm/constraints.md (c): Fix a typo.
1369 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1370 typos.
1372 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1374 PR target/24879
1375 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1376 inline function.
1377 (_mm_mwait): Likewise.
1379 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1380 "mwait".
1381 (sse3_monitor): Make it 32bit only.
1382 (sse3_monitor64): New. 64bit monitor.
1384 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1386 PR target/27421
1387 * config/i386/i386.c (classify_argument): Skip fields with invalid
1388 types.
1390 2006-05-07 Richard Guenther <rguenther@suse.de>
1392 PR tree-optimization/27409
1393 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1394 Do not try to find zero-sized subvars.
1396 2006-05-07 Richard Guenther <rguenther@suse.de>
1398 PR tree-optimization/27136
1399 * tree-ssa-loop-niter.c (get_val_for): Correct function
1400 comment, assert requirements.
1401 (loop_niter_by_eval): Stop processing if the iterated
1402 value did not simplify.
1404 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1406 * opts.c (flag_see): remove its setting at -O3.
1408 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1410 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1411 * arm/constraints.md: New file.
1412 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1413 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1414 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1415 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1416 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1417 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1418 * arm.md: Include constraints.md.
1419 (thumb_movsi_insn): Use satisfies_constraint_J.
1420 (movhi, movqi): Use satisfies_constraint_I.
1422 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1424 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1425 for atmeg a645 device.
1427 2006-05-06 Richard Guenther <rguenther@suse.de>
1429 PR tree-optimization/27151
1430 * tree-vect-transform.c (vectorizable_condition): Punt on
1431 values that have a different type than the condition.
1433 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1435 PR/21391
1436 * c-parser.c (c_parser_cast_expression): Only insert casts into
1437 hash table if pointer.
1438 * function.c (used_types_insert_helper): Rename from
1439 used_types_insert.
1440 (used_types_insert): Call used_types_insert_helper.
1441 * function.h (used_types_insert): Accept only one argument.
1443 2006-05-05 David Edelsohn <edesohn@gnu.org>
1445 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1446 scratch with output modifier.
1448 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1450 PR target/26481
1451 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1452 with output modifier.
1454 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1456 PR target/26765
1457 * config/mips/mips.c (mips_symbolic_address_p): Return true
1458 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1459 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1461 2006-05-04 Richard Guenther <rguenther@suse.de>
1463 PR tree-optimization/14287
1464 PR tree-optimization/14844
1465 PR tree-optimization/19792
1466 PR tree-optimization/21608
1467 PR tree-optimization/27090
1468 * tree-ssa-pre.c (try_combine_conversion): New function.
1469 (compute_avail): After constructing the value-handle
1470 expression, use try_combine_conversion to combine NOP_EXPRs
1471 with previous value-handle expressions and use the result if it
1472 is available.
1474 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1476 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1478 2006-05-04 Jan Hubicka <jh@suse.cz>
1480 PR middle-end/25962
1481 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1483 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1485 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1486 that this only matches CONST_INTs. All users changed to VOIDmode
1487 operands.
1489 * config/bfin/bfin.c: Include "optabs.h".
1490 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1491 to do more work.
1492 (enum bfin_builtins): Add a number of fractional and vector builtins.
1493 (bfin_init_builtins): Likewise.
1494 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1495 (safe_vector_operand, bfin_expand_binop_builtin,
1496 bfin_expand_unop_builtin): New functions.
1497 (bfin_expand_builtin): Handle the new builtins.
1498 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1499 __ADSPBLACKFIN__.
1501 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1503 * see.c: New file.
1504 * Makefile.in (OBJS-common): Add see.o.
1505 (see.o): Add dependencies.
1506 * common.opt (fsee): New flag for the see optimization was added.
1507 * opts.c (flag_see): Initialized.
1508 * passes.c (init_optimization_passes, pass_see): New pass.
1509 * rtl.h (see_main): Declaration as extern.
1510 * timevar.def (TV_SEE): New.
1511 * tree-pass.h (pass_see): Declaration as extern.
1512 * invoke.texi (-fsee): Document.
1513 * recog.c (validate_simplify_insn): New function.
1514 * recog.h (validate_simplify_insn): Declaration as extern.
1515 * df-problems.c (df_chain_dump): Check for NULL.
1517 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1518 Daniel Berlin <dberlin@dberlin.org>
1520 * cfgrtl.c (insert_insn_bb_end_new): New function.
1521 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1523 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1525 * df.h (struct web_entry): Moved from web.c.
1526 (union_defs): Declaration as extern.
1527 (unionfind_root): Likewise.
1528 (unionfind_union): Likewise.
1529 * web.c (struct web_entry): Moved to df.h.
1530 (unionfind_root): Remove static declaration.
1531 (unionfind_union): Likewise.
1532 (union_defs): Likewise and generalize to use callback function.
1533 (web_main): Update arguments for union_defs function call.
1535 2006-05-04 Richard Guenther <rguenther@suse.de>
1537 PR tree-optimization/26447
1538 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1539 produce SSA_NAME copies before the store stmt to avoid
1540 breaking exception handling.
1542 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1544 PR middle-end/27388
1545 * gimplify.c (omp_is_private): If var is shared in some outer context,
1546 return false instead of true. Stop searching on parallel context
1547 boundary.
1549 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1551 PR java/8260
1552 * coverage.c: Use get_gcov_unsigned_t() instead of
1553 unsigned_type_node all over.
1555 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1557 PR tree-optimization/27381
1558 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1559 maintain the same immediate_use links.
1560 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1561 node rather than segfaulting.
1563 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1565 PR fortran/27395
1566 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1567 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1568 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1570 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1572 Fix PR tree-optimization/26626
1573 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1574 always.
1575 * tree-ssa-operands.c (access_can_touch_variable): Allow
1576 typecasting through union pointers.
1578 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1580 PR c++/26943
1581 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1582 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1583 to find if var will be a global variable even in the nested context.
1584 (omp_copy_decl): Only check for global variable at the end, it might
1585 be overridden in outer contexts.
1586 (scan_sharing_clauses): For global variables don't create a field.
1587 (lower_rec_input_clauses): Do nothing for global shared variables.
1588 Emit a barrier at the end of ILIST if there were any decls in both
1589 firstprivate and lastprivate clauses.
1590 (lower_send_clauses): Do nothing for global variables except for
1591 COPYIN.
1593 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1595 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1596 of the correct signedness is returned.
1598 2006-05-02 Jeff Law <law@redhat.com>
1600 PR tree-optimization/27364
1601 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1602 multiply expressions.
1604 2006-05-02 Tom Tromey <tromey@redhat.com>
1606 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1608 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1610 PR target/27387
1611 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1612 -mthumb -fPIC are used.
1614 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1615 Joshua Kinard <kumba@gentoo.org>
1617 PR target/25871
1618 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1619 with 64-bit pointers.
1621 2006-05-02 Paul Brook <paul@codesourcery.com>
1623 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1624 and pool overlap.
1625 (create_fix_barrier): Check that a suitable barrier location is
1626 found.
1627 (arm_reorg): Include ftmp->address in allowable range of addresses.
1629 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1631 PR ada/27366
1632 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1633 on Cygwin.
1635 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1637 PR middle-end/27337
1638 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1639 around RESULT_DECL for result passed by reference.
1640 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1641 * omp-low.c (use_pointer_for_field): Don't look at
1642 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1643 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1644 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1645 time or var for passing by reference for
1646 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1647 TREE_ADDRESSABLE variables when passing by reference.
1649 * omp-low.c (dump_omp_region): Fix output formatting.
1651 PR middle-end/27328
1652 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1653 (expand_omp_parallel): Likewise.
1654 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1656 PR middle-end/27325
1657 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1658 on statement list containing also constructors and destructors.
1659 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1661 PR middle-end/27310
1662 * except.c (duplicate_eh_regions): Fix clearing of
1663 cfun->eh->region_array entries.
1665 2006-05-01 DJ Delorie <dj@redhat.com>
1667 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1668 build!=host.
1669 (gcc_cv_objdump): Likewise.
1670 * configure: Regenerated.
1672 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1674 PR target/27374
1675 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1676 templates for case 3 and 4.
1678 2006-05-01 DJ Delorie <dj@redhat.com>
1680 * vec.c: Include bconfig.h when appropriate.
1681 * Makefile.in (build/vec.o): Adjust dependencies.
1682 * mkconfig.sh: Make sure config.h isn't used for build machine
1683 compiles.
1685 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1687 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1688 variables.
1689 (mark_phi_for_rewrite): New function.
1690 (insert_phi_nodes_for, mark_use_interesting): Call
1691 mark_phi_for_rewrite.
1692 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1693 (update_ssa): Initialize and free phis_to_rewrite.
1695 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1697 PR rtl-optimization/27291
1698 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1699 folded to a constant.
1701 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1703 PR tree-optimization/27283
1704 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1705 not whole # of iteration descriptions.
1706 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1707 uses abnormal ssa name.
1708 (niter_for_single_dom_exit): Ditto.
1709 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1710 return just the number of iterations.
1712 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1714 PR tree-optimization/27144
1715 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1716 (record_estimate): Only record constant upper bound.
1717 (infer_loop_bounds_from_undefined): Call
1718 compute_estimated_nb_iterations just once.
1719 (proved_non_wrapping_p): Renamed to ...
1720 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1721 (convert_step_widening, scev_probably_wraps_p): Call
1722 n_of_executions_at_most instead of proved_non_wrapping_p.
1723 (substitute_in_loop_info): Do not replace values in bounds.
1724 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1725 comments.
1727 2006-05-01 Richard Henderson <rth@redhat.com>
1729 PR c/27358
1730 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1731 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1732 CPP_PRAGMA.
1734 2006-05-01 Roger Sayle <roger@eyesopen.com>
1736 * c-typeck.c (parser_build_binary_op): Don't call the function
1737 unsigned_conversion_warning to spot operand/result type overflow.
1738 (build_binary_op): Instead, call convert_and_check instead of
1739 convert to report the problem when the operands are promoted.
1740 * c-common.c (unsigned_conversion_warning): Make static.
1741 * c-common.h (unsigned_conversion_warning): Delete prototype.
1743 2006-05-01 Richard Guenther <rguenther@suse.de>
1745 PR tree-optimization/26726
1746 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1747 problem ...
1748 (find_interesting_uses_address): ... we work around here
1749 by folding INDIRECT_REFs in the substituted base.
1751 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1753 * omp-low.c (dump_omp_region): Add newlines.
1755 2006-04-30 Roger Sayle <roger@eyesopen.com>
1757 * common.opt (Woverflow): New command line option.
1758 * c-common.c (constant_expression_warning): Check warn_overflow.
1759 (overflow_waring): Pass OPT_Woverflow to warning.
1760 (unsigned_conversion_warning): Likewise.
1761 (convert_and_check): Likewise.
1762 * doc/invoke.texi: Document new command line option.
1764 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1766 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1767 TARGET_NO_FP_IN_TOC for section anchors.
1768 (optimization_options): Enable section anchors for all
1769 non-"Objective" languages.
1771 2006-04-28 Eric Christopher <echristo@apple.com>
1773 * config/darwin-c.c (darwin_ms_struct): Move this
1774 (darwin_set_default_type_attributes): and this...
1775 * config/darwin.c: ... here.
1776 * config/darwin.h (darwin_ms_struct): Declare.
1778 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1780 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1782 2006-04-28 Roger Sayle <roger@eyesopen.com>
1784 PR c/25309
1785 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1786 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1787 an unsigned HOST_WIDE_INT.
1788 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1789 array index.
1790 (really_start_incremental_init): No need to call convert because
1791 bitsize_zero_node is already of type bitsizetype.
1792 (push_init_level): Extract the value of constructor_index as an
1793 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1794 (process_init_element): Likewise.
1796 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1798 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1799 value before passing to make_relative_prefix.
1801 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1803 PR middle-end/27260
1804 * builtins.c (expand_builtin_memset): Expand val in original mode.
1806 2006-04-27 Eric Christopher <echristo@apple.com>
1808 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1809 with #ifndef/#endif.
1810 * config/darwin-c.c (darwin_ms_struct): New.
1811 (darwin_pragma_ms_struct): Ditto.
1812 (darwin_set_default_type_attributes): Ditto.
1813 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1814 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1815 Register ms_struct pragma.
1816 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1817 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1818 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1819 darwin_set_default_type_attributes if TARGET_MACHO.
1821 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1823 PR tree-optimization/26854
1824 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1825 * doc/tree-ssa.texi: Update immuse iterator documentation.
1826 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1827 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1828 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1829 first_safe_imm_use, next_safe_imm_use): Remove.
1830 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1831 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1832 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1833 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1834 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1835 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1836 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1837 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1838 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1839 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1840 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1841 (perfect_nestify): Use new iterator.
1842 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1843 iterator.
1844 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1845 (next_imm_name): New field in struct immediate_use_iterator_d.
1846 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1847 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1848 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1849 * tree-cfg.c (replace_uses_by): Use new iterator.
1850 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1851 * tree-ssa-operands.c (correct_use_link): Remove.
1852 (finalize_ssa_use_ops): No longer call correct_use_link.
1854 2006-04-27 Stuart Hastings <stuart@apple.com>
1856 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1857 * config/t-darwin (crt3.o): Use it.
1858 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1859 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1860 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1861 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1862 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1863 support.
1865 2006-04-27 Roger Sayle <roger@eyesopen.com>
1867 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1868 size, force the intermediate into a new pseudo rather instead of
1869 performing both a bitwise AND and a bitwise IOR in memory.
1871 2006-04-27 Richard Guenther <rguenther@suse.de>
1873 PR rtl-optimization/26685
1874 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1875 this one "max-flow-memory-locations".
1877 2006-04-27 Richard Guenther <rguenther@suse.de>
1879 PR tree-optimization/25148
1880 * tree-vrp.c (compare_values): Remove code dealing with
1881 comparisons against type min/max value. Honour overflow
1882 and negative constants in code dealing with comparisons
1883 of plus and minus expressions.
1884 (value_inside_range): Use fold_binary with LE_EXPR and
1885 GE_EXPR rather than compare_values.
1887 2006-04-27 Dirk Mueller <dmueller@suse.de>
1889 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1890 prototype for SSE.
1892 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1894 * basic-block.h (safe_insert_insn_on_edge): Removed.
1895 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1897 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1898 Paolo Bonzini <bonzini@gnu.org>
1900 PR middle-end/27282
1901 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1902 (simplify_and_const_int): Same.
1904 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1906 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1908 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1910 PR c/26171
1911 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1912 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1913 cgraph_global_info_ready.
1915 PR middle-end/26913
1916 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1918 PR c/25996
1919 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1920 either decl or init is error_mark_node.
1922 PR middle-end/25989
1923 * tree-flow.h (struct omp_region): Add sched_kind.
1924 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1925 instead of extracting omp for data.
1926 (expand_omp_for): Save extracted sched_kind.
1928 2006-04-25 Roger Sayle <roger@eyesopen.com>
1930 * expmed.c (store_bit_field): Also check whether the bitsize is
1931 valid for the machine's "insv" instruction before moving the
1932 target into a pseudo for use with the insv.
1933 * config/i386/predicates.md (const8_operand): New predicate.
1934 * config/i386/i386.md (extv, extzv, insv): Use the new
1935 const8_operand predicate where appropriate.
1937 2006-04-25 DJ Delorie <dj@redhat.com>
1939 * doc/install.texi (Specific): Clarify that this is not a list of
1940 supported hosts or targets.
1942 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1944 PR rtl-optimization/26725
1945 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1946 block's BB_DIRTY flag.
1948 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1950 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1951 are no branches.
1953 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1954 to print an integer.
1956 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1958 * varasm.c (align_variable): New function.
1959 (get_block_for_decl): Apply align_variable to DECL before
1960 calculating section information.
1961 (assemble_variable): Split out alignment computation.
1963 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1965 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1966 machines.
1968 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1970 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1971 MODE_PARTIAL_INT mode.
1972 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1973 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1974 for CONST_INTs.
1975 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1976 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1977 V2PDImode.
1978 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1979 New predicates.
1980 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1981 New constants.
1982 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1983 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1984 MACFLAG_IH): Likewise.
1985 (movstricthi_1): Renamed from "*movstricthi".
1986 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1987 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1988 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1989 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1990 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1991 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1992 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1993 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1994 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1995 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1996 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1997 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1998 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1999 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2000 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2002 * doc/rtl.texi (ss_ashift): Improve wording.
2004 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2006 * dwarf2out.c (verify_marks_clear): New.
2007 (prune_unused_types): Call verify_marks_clear initially, not
2008 prune_unmark_dies.
2010 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2012 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2013 * doc/rtl.texi: Document them.
2014 * simplify-rtx.c (simplify_unary_operation,
2015 simplify_binary_operation_1): Don't abort when we see them.
2017 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2019 Revert:
2020 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2021 * configure.ac: Completely disregard languages that are not
2022 enabled.
2023 * configure: Regenerated.
2025 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2026 Richard Guenther <rguenther@suse.de>
2028 PR tree-optimization/27236
2029 * tree-inline.c (copy_body_r): Make sure to copy
2030 TREE_THIS_VOLATILE flag.
2032 2006-04-24 Richard Guenther <rguenther@suse.de>
2034 PR middle-end/26869
2035 * tree-complex.c (update_parameter_components): Don't handle
2036 unused parameters which have no default def.
2038 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2039 Richard Guenther <rguenther@suse.de>
2041 PR tree-optimization/27218
2042 * tree-inline.c (expand_call_inline): Strip useless type
2043 conversions for the return slot address.
2045 2006-04-24 Richard Guenther <rguenther@suse.de>
2047 * cfgloop.h (struct loops): Remove unused field array. Reorder
2048 state after num.
2049 (LOOP_PREFETCH): Remove.
2051 2006-04-24 Richard Guenther <rguenther@suse.de>
2053 PR tree-optimization/22525
2054 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2055 variable, adjust types of generated expressions.
2057 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2059 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2060 (tree-vect-patterns.o): Likewise.
2061 (jump.o): Likewise.
2062 (cselib.o): Likewise.
2063 (loop-doloop.o): Likewise.
2064 (regclass.o): Likewise.
2065 (reload1.o): Likewise.
2066 (explow.o): Replace target.h with $(TARGET_H).
2067 (ipa-prop.o): Likewise.
2068 (ipa-cp.o): Likewise.
2069 (ipa-inline.o): Likewise.
2070 (reorg.o): Likewise.
2071 (reg-stack.o): Likewise.
2073 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2075 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2077 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2079 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2081 * configure.ac: Completely disregard languages that are not
2082 enabled.
2083 * configure: Regenerated.
2085 PR c++/26534
2086 * c-common.h (c_build_bitfield_integer_type): Declare.
2087 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2088 * c-common.c (c_build_bitfield_integer_type): ... here.
2090 2006-04-23 Roger Sayle <roger@eyesopen.com>
2092 PR target/21283
2093 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2094 a SImode SUBREG of a floating point register after no_new_pseudos.
2096 2006-04-23 Roger Sayle <roger@eyesopen.com>
2098 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2099 identify potentially eliminable registers to additionally catch
2100 VIRTUAL_INCOMING_ARGS_REGNUM.
2101 (addsi3): Update the conditions on when to use addsi_small_int.
2103 2006-04-23 Roger Sayle <roger@eyesopen.com>
2105 PR target/16641
2106 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2107 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2108 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2110 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2112 * fold-const.c (range_predecessor): Use operand_equal_p
2113 as the predicate for equality.
2114 (range_successor): Likewise.
2116 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2118 Revert:
2119 * config/soft-fp/op-common.h: Fix a typo.
2121 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2123 PR libmudflap/26864
2124 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2125 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2127 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2129 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2130 Fix comment typos.
2131 * doc/tm.texi: Fix a typo.
2133 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2135 * dwarf2out.c (struct die_struct): Document that die_sib makes
2136 a circular linked list.
2137 (FOR_EACH_CHILD): New.
2138 (reverse_die_lists): Delete.
2139 (reverse_all_dies): Delete.
2140 (add_dwarf_attr): Correct documentation.
2141 (remove_child_with_prev): New.
2142 (remove_child_TAG): Update for change to die_struct, use
2143 remove_child_with_prev.
2144 (add_child_die): Update for change to die_struct.
2145 (splice_child_die): Use remove_child_with_prev and add_child_die.
2146 (print_die): Use FOR_EACH_CHILD.
2147 (die_checksum): Likewise.
2148 (assign_symbol_names): Likewise.
2149 (output_location_lists): Likewise.
2150 (build_abbrev_table): Likewise.
2151 (calc_die_sizes): Likewise.
2152 (mark_dies): Likewise.
2153 (unmark_dies): Likewise.
2154 (unmark_all_dies): Likewise.
2155 (output_die): Likewise.
2156 (prune_unused_types_mark): Likewise.
2157 (prune_unused_types_walk): Likewise.
2158 (same_die_p): Update for change to die_struct.
2159 (break_out_includes): Likewise.
2160 (prune_unused_types_prune): Likewise.
2161 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2162 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2163 it's already clear.
2164 (dwarf2out_finish): Don't call reverse_all_dies.
2166 2006-04-21 Eric Christopher <echristo@apple.com>
2168 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2169 in comments and function names.
2171 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2173 PR c/25875
2174 * c-typeck.c (digest_init): Robustify.
2176 * c-typeck.c (pop_init_level): Simplify.
2178 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2180 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2182 2006-04-21 Paul Brook <paul@codesourcery.com>
2184 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2185 hardware floating point.
2187 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2189 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2190 NON_FLOAT_REGS.
2192 2006-04-21 Nick Clifton <nickc@redhat.com>
2194 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2195 OPT_EXTRA_PARTS.
2197 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2199 PR target/27230
2200 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2201 C++ lang type in traceback table for Objective-C++.
2203 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2205 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2207 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2209 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2211 PR mudflap/26789
2212 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2213 were errors. Remove check for erroneous objects.
2215 2006-04-20 Jeff Law <law@redhat.com>
2217 PR tree-optimization/26854
2218 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2219 checking for zero or one use.
2220 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2221 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2222 * tree-ssa-reassoc.c (negate_value): Similarly.
2223 (reassociate_bb): Similarly.
2225 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2227 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2228 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2229 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2231 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2233 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2234 fp regs if the last fp arg doesn't fit in regs.
2236 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2238 PR target/27182
2239 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2240 that the last insn has the REG_INC note.
2242 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2243 Nathan Sidwell <nathan@codesourcery.com>
2245 PR c/26774
2246 * stor-layout.c (update_alignment_for_field): Do not align
2247 ERROR_MARK nodes.
2248 (place_union_field): Place union field at the start of the union.
2249 (place_field): Move ERROR_MARK check later, and use the current
2250 allocation position to maintain monotonicity.
2252 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2254 * dominance.c: Include timevar.h.
2255 (calculate_dominance_info): Use TV_DOMINANCE.
2256 * timevar.def (TV_DOMINANCE): New timevar.
2257 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2259 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2261 PR rtl-optimization/14261
2262 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2263 move would be an INSV insn.
2264 (noce_process_if_block): Don't optimize if the destination is a
2265 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2267 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2269 * config/s390/s390.md: Add comments with the instructions emitted
2270 by an insn pattern if macros are used.
2272 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2274 PR rtl-optimization/26026
2275 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2276 is a known power of two shifted left a variable amount.
2278 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2280 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2281 to hash table twice when the debug_str section has SECTION_MERGE.
2283 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2285 * config/soft-fp: New directory. From glibc.
2286 * config/soft-fp/t-softfp: New.
2287 * config/soft-fp/README: New.
2288 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2289 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2290 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2291 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2292 * config.gcc: Use rs6000/t-fprules-fpbit or
2293 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2294 rs6000/t-fprules.
2295 * config/rs6000/sfp-machine.h: New. Based on glibc.
2296 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2297 New.
2298 * config/rs6000/t-fprules: Remove fp-bit rules.
2299 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2300 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2301 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2302 (softfp_wrap_start, softfp_wrap_end): New.
2304 2006-04-18 DJ Delorie <dj@redhat.com>
2306 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2308 2006-04-18 Devang Patel <dpatel@apple.com>
2310 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2312 2006-04-18 Nick Clifton <nickc@redhat.com>
2314 * config/sh/t-symbian: Add rule to build sh-c.o
2315 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2316 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2317 (sh_symbian_encode_section_info): Likewise.
2319 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2321 * builtins.c (expand_builtin_strcmp): Cover label definition of
2322 do_libcall with HAVE_cmpstrnsi.
2324 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2326 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2327 instead of VARRAY.
2328 * function.h (temp_slot_p): New.
2329 (function): Change the type of x_used_temp_slots to
2330 VEC(temp_slot_p,gc) *.
2332 2006-04-18 Nick Clifton <nickc@redhat.com>
2334 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2335 flag_strength_reduce.
2337 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2339 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2341 PR target/27117
2343 Partial revert of revision 112637
2344 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2345 Dale Johannesen <dalej@apple.com>
2347 PR target/19653
2348 * regclass.c (struct reg_pref): Update documentation.
2349 (regclass): Set prefclass to NO_REGS if memory is the best option.
2350 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2352 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2354 PR tree-optimization/26821
2355 * tree-ssa-math-opts.c (get_constant_one): New.
2356 (insert_reciprocals): Use it.
2358 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2360 * dwarf2out.c (free_AT): Delete.
2361 (remove_AT): Update string ref counts.
2362 (remove_child_TAG): Don't call free_die.
2363 (free_die): Delete.
2364 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2365 or DW_TAG_GNU_EINCL.
2366 (prune_unused_types_walk_attribs): Reset string refcounts.
2367 (prune_unused_types_update_strings): New.
2368 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2369 call free_die. Do call prune_unused_types_update_strings.
2370 (prune_unused_types): Empty debug_str_hash.
2372 2006-04-17 Roger Sayle <roger@eyesopen.com>
2374 * expr.c (expand_assignment): Optimize away no-op moves where the
2375 source and destination are equal and have no side-effects.
2377 2006-04-17 Richard Guenther <rguenther@suse.de>
2379 PR target/26826
2380 * reload.c (push_reload): Guard calls to get_secondary_mem
2381 for memory subregs.
2383 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2385 * alias.c (reg_base_value, old_reg_base_value): Change the
2386 type to VEC(rtx,gc) *.
2387 (REG_BASE_VALUE, find_base_value, record_set,
2388 init_alias_analysis): Use VEC instead of VARRAY.
2390 * alias.c (alias_sets): Change the type to
2391 VEC(alias_set_entry,gc) *.
2392 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2393 VEC instead of VARRAY.
2394 (last_alias_set): Remove.
2396 * cgraph.h (cgraph_edge_p): New.
2397 Update the prototype of cgraph_function_versioning.
2398 * cgraphunit.c (cgraph_copy_node_for_versioning,
2399 cgraph_function_versioning): Use VEC instead of VARRAY.
2400 * ipa-cp.c (ipcp_insert_stage): Likewise.
2402 2006-04-16 Roger Sayle <roger@eyesopen.com>
2404 PR target/26961
2405 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2406 "A op B" or "A op C", we may need to convert A to the type of B and C.
2408 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2410 * target.h (struct gcc_target): Add mode_rep_extended.
2411 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2412 (init_num_sign_bit_copies_in_rep): Initialize it using
2413 mode_rep_extended.
2414 (truncate_to_mode): Use it.
2415 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2416 * targhooks.h (default_mode_rep_extended): Declare it.
2417 * targhooks.c (default_mode_rep_extended): Define it.
2418 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2419 default_mode_rep_extended.
2420 (TARGET_INITIALIZER): Include it.
2421 * doc/tm.texi (Misc): Document it.
2422 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2423 (mips_truncated_to_mode): New function.
2425 2006-04-16 Roger Sayle <roger@eyesopen.com>
2427 PR middle-end/25474
2428 * expr.c (compress_float_constant): Copy the narrow constant into
2429 a new pseudo before extending it to its final width.
2431 2006-04-16 Roger Sayle <roger@eyesopen.com>
2432 Andrew Pinski <pinskia@gcc.gnu.org>
2433 Dale Johannesen <dalej@apple.com>
2435 PR target/24076
2436 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2437 special case code to implement V8HImode and V16QImode with SSE2.
2439 2006-04-15 Roger Sayle <roger@eyesopen.com>
2441 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2442 trees are constructed with a suitable tree type.
2444 2006-04-15 Roger Sayle <roger@eyesopen.com>
2446 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2447 (integer_onep): Likewise.
2448 (integer_all_onesp): Likewise.
2449 (integer_pow2p): Likewise.
2450 (integer_nonzerop): Likewise.
2451 (real_zerop): Likewise.
2452 (real_onep): Likewise.
2453 (real_twop): Likewise.
2454 (real_minus_onep): Likewise.
2455 (int_size_in_bytes): Likewise.
2456 (host_integerp): Likewise.
2458 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2460 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2461 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2462 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2464 * tree-ssa-structalias.h (alias_info): Remove num_references.
2466 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2468 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2469 (output_bvb patterns): Likewise.
2470 * pa.c (output_bb): Use 'bb' insn for long branch case.
2471 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2472 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2473 1. Correct length operand for alternatives 1 and 2.
2474 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2475 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2477 2006-04-14 Roger Sayle <roger@eyesopen.com>
2479 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2480 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2481 were accidentally reverted by r112959.
2483 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2485 PR middle-end/26823
2486 * except.h (eh_region_outermost): New prototype.
2487 * except.c (eh_region_outermost): New function.
2488 * tree-cfg.c (find_outermost_region_in_block): Use it.
2490 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2492 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2493 of VARRAY.
2494 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2495 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2496 (init_reload, reload): Use VEC instead of VARRAY.
2497 * reload.h: Update the prototype for
2498 reg_equiv_memory_loc_varray.
2500 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2501 Eric Botcazou <ebotcazou@libertysurf.fr>
2503 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2504 register save area.
2506 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2508 PR middle-end/27134
2509 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2510 to expand fallback builtin function call.
2512 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2514 PR middle-end/27095
2515 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2516 and emit libcall here in case the builtin fails.
2517 (expand_builtin_strcmp): Always emit the libcall here on failure.
2519 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2521 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2522 * flow.c (reg_n_info): Change the type to
2523 VEC(reg_info_p,heap) *.
2524 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2525 instead of VARRAY.
2526 * regs.h (reg_info_p): New.
2527 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2528 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2529 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2530 instead of VARRAY.
2532 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2534 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2535 defaulting to 100.
2536 * params.h (MAX_SCHED_READY_INSNS): New macro.
2537 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2538 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2539 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2540 the ready list for 1 cycle during the first scheduling pass.
2541 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2543 2006-04-13 Richard Henderson <rth@redhat.com>
2545 PR libgomp/26651
2546 * gimple-low.c (lower_omp_directive): Remove dead code.
2547 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2548 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2549 * omp-low.c (struct omp_region): Move to tree-flow.h.
2550 (root_omp_region): Export.
2551 (omp_regions, lookup_omp_region): Remove.
2552 (determine_parallel_type): Update for struct omp_region changes.
2553 (dump_omp_region): Dump regions with block numbers.
2554 (new_omp_region): Take type and block instead of stmt; malloc
2555 instead of ggc.
2556 (free_omp_region_1, free_omp_regions): New.
2557 (expand_parallel_call): Take entry_stmt as argument; update for
2558 changes to omp_region.
2559 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2560 (remove_exit_barriers): New.
2561 (expand_omp_parallel): Update for struct omp_region changes.
2562 (expand_omp_synch): Likewise.
2563 (expand_omp): Likewise.
2564 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2565 (expand_omp_for_static_chunk): Likewise.
2566 (expand_omp_for): Likewise.
2567 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2568 (expand_omp_sections): Similarly, with GOMP_sections_end.
2569 (expand_omp_single): New.
2570 (build_omp_regions_1): Update for OMP_CONTINUE.
2571 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2572 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2573 OMP_SECTIONS_SECTIONS.
2574 (lower_omp_single_simple): Don't emit barrier here.
2575 (lower_omp_single_copy): Likewise.
2576 (lower_omp_single): Fix bindings, and lower to straightline now.
2577 (lower_omp_master, lower_omp_ordered): Likewise.
2578 (lower_omp_critical): Likewise.
2579 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2580 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2581 omp edges, free it afterward.
2582 (make_omp_sections_edges): Remove.
2583 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2584 (move_stmt_r): Handle OMP_CONTINUE.
2585 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2586 statement pointers to basic blocks. Add type member.
2587 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2588 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2589 * tree-inline.c (estimate_num_insns_1): Likewise.
2590 * tree-pretty-print.c (dump_generic_node): Likewise.
2591 * tree-ssa-operands.c (get_expr_operands): Likewise.
2592 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2593 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2594 (OMP_CONTINUE): New.
2595 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2596 (OMP_SECTIONS_SECTIONS): Remove.
2597 (OMP_SECTION_LAST): New.
2598 (OMP_RETURN_NOWAIT): New.
2600 2006-04-13 Roger Sayle <roger@eyesopen.com>
2602 * fold-const.c (native_encode_vector, native_interpret_real):
2603 Correct obvious mistakes in the previous check-in.
2605 2006-04-13 Roger Sayle <roger@eyesopen.com>
2607 * fold-const.c (native_encode_expr): New function to encode
2608 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2609 or VECTOR_CST into a specified buffer.
2610 (native_encode_int): New function.
2611 (native_encode_real): New function.
2612 (native_encode_complex): New function.
2613 (native_encode_vector): New function.
2614 (native_interpret_expr): Inverse of native_encode_expr to convert
2615 a target representation into an INTEGER_CST, REAL_CST etc...
2616 (native_interpret_int): New function.
2617 (native_interpret_real): New function.
2618 (native_interpret_complex): New function.
2619 (native_interpret_vector): New function.
2620 (fold_view_convert_expr): New function to constant fold/evaluate
2621 a VIEW_CONVERT_EXPR of a suitable constant expression.
2622 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2623 Change call of build1 to fold_build1 when constructing a
2624 VIEW_CONVERT_EXPR.
2626 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2627 Ulrich Weigand <uweigand@de.ibm.com>
2629 PR target/27006
2630 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2631 to be even.
2633 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2635 PR target/26459
2636 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2637 optimize to lo_sum for DFmode if !TARGET_FPRS.
2639 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2641 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2642 delete_alias_info, compute_flow_sensitive_aliasing,
2643 group_aliases): Use VEC instead of VARRAY.
2644 * tree-ssa-structalias.c (update_alias_info): Likewise.
2645 * tree-ssa-structalias.h (alias_info): Change the type of
2646 processed_ptrs to VEC(tree,heap) *.
2648 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2650 PR target/27060
2651 * config/sh/lib1funcs.h: New file, broken out of:
2652 * config/sh/lib1funcs.asm.
2653 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2654 New macros.
2655 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2656 * config/sh/lib1funcs-Os-4-200.asm: New file.
2657 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2658 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2659 (EXTRA_MULTILIB_PARTS): Include it.
2660 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2661 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2662 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2663 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2664 TARGET_SH2.
2666 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2668 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2669 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2670 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2671 VARRAY.
2672 * tree-ssa-live.h: Include vecprim.h.
2673 (tree_partition_associator_d): Change the type of
2674 first_partition to VEC(int,heap) *.
2675 (tpa_first_partition): Use VEC instead of VARRAY.
2677 * Makefile.in (GTFILES): Move functions.h after tree.h.
2678 * function.c (reset_block_changes, record_block_change,
2679 check_block_change, free_block_changes): Use VEC instead of
2680 VARRAY.
2681 * function.h (function): Change the type of
2682 ib_boundaries_block to VEC(tree,gc) *.
2683 * tree-inline.c (copy_cfg_body): Initialize
2684 ib_boundaries_block to NULL instead of (varray_type) 0.
2686 2006-04-12 Roger Sayle <roger@eyesopen.com>
2688 * expr.c (emit_group_store): Correct operand order in call to
2689 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2690 a SUBREG_BYTE of zero.
2692 2006-04-12 Richard Guenther <rguenther@suse.de>
2694 * profile.c (compute_branch_probabilities): Remove code
2695 encapsulated in !ir_type (), which are remanents of the
2696 removed RTL profiling code.
2697 * rtl-profile.c: Remove.
2699 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2701 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2702 magic NULL_RTX comment.
2703 (function_arg): Store entire fp arg to mem if any part should go
2704 on stack.
2705 (rs6000_arg_partial_bytes): Adjust for above change.
2707 2006-04-11 Roger Sayle <roger@eyesopen.com>
2709 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2710 if it hasn't been initialized by dwarf2out_init.
2712 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2714 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2715 symbolic constants in branch patterns.
2717 2006-04-11 Roger Sayle <roger@eyesopen.com>
2719 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2721 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2723 PR rtl-optimization/27073
2724 * gcse.c (try_replace_reg): Revert last change. Continue to search
2725 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2726 on the former.
2728 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2730 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2731 aggregate types other than record and union types.
2732 (function_arg): Likewise.
2733 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2734 small arrays.
2735 (function_value): In 64-bit mode, return objects that require it
2736 in FP registers.
2738 2006-04-11 Roger Sayle <roger@eyesopen.com>
2740 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2742 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2744 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2746 2006-04-03 Jeff Law <law@redhat.com>
2748 PR/27087
2749 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2750 alias information too.
2752 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2754 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2756 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2758 PR/21391
2759 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2760 (premark_used_types_helper): New.
2761 (premark_used_types): New.
2762 (gen_subprogram_die): Call premark_used_types.
2763 (prune_unused_types_walk): Do not prune perennial dies.
2764 * function.c (used_types_insert): New.
2765 * function.h (struct function): Add used_types_hash field.
2766 (used_types_insert): Add prototype.
2767 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2768 * c-parser.c (c_parser_cast_expression): Save casted types in used
2769 types hash table.
2771 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2773 PR target/26459
2774 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2775 rs6000_explicit_options.float_gprs.
2777 2006-04-10 Roger Sayle <roger@eyesopen.com>
2779 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2780 from ix86_expand_vector_init_low_nonzero. Take an additional
2781 one_var argument indicating which element is non-zero. Support
2782 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2783 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2784 with one_var instead of ix86_expand_vector_init_low_nonzero.
2786 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2788 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2789 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2790 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2791 build/genextract.o): Depend on vecprim.h.
2792 * cfglayout.c, df-problems.c, function.c, genextract.c,
2793 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2794 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2795 vecprim.h.
2796 * vecprim.h: New.
2798 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2800 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2801 Declare VECs of this type.
2802 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2803 (remove_children): Delete.
2804 (add_dwarf_attr): Use VEC routines.
2805 (add_AT_flag): Update for changes to add_dwarf_attr.
2806 (add_AT_int): Likewise.
2807 (add_AT_unsigned): Likewise.
2808 (add_AT_long_long): Likewise.
2809 (add_AT_vec): Likewise.
2810 (add_AT_string): Likewise.
2811 (add_AT_die_ref): Likewise.
2812 (add_AT_fde_ref): Likewise.
2813 (add_AT_loc): Likewise.
2814 (add_AT_loc_list): Likewise.
2815 (add_AT_addr): Likewise.
2816 (add_AT_lbl_id): Likewise.
2817 (add_AT_lineptr): Likewise.
2818 (add_AT_macptr): Likewise.
2819 (add_AT_offset): Likewise.
2820 (add_AT_range_list): Likewise.
2821 (get_AT): Use VEC_iterate.
2822 (remove_AT): Use VEC_ordered_remove.
2823 (free_die): Fold remove_children into here; have it use VEC_iterate.
2824 (print_die): Use VEC_iterate on attrs.
2825 (reverse_die_lists): Don't reverse attr lists.
2826 (die_checksum): Use VEC_iterate on attrs.
2827 (same_die_p): Likewise.
2828 (output_location_lists): Likewise.
2829 (build_abbrev_table): Likewise.
2830 (size_of_die): Likewise.
2831 (unmark_all_dies): Likewise.
2832 (output_abbrev_section): Likewise.
2833 (output_die): Likewise.
2834 (prune_unused_types_walk_attribs): Likewise.
2836 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2838 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2840 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2842 PR debug/27057
2843 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2845 2006-04-09 Roger Sayle <roger@eyesopen.com>
2847 * expr.c (store_constructor): Don't bother clearing target if
2848 we're about to assign a vector to it using vec_init_optab.
2850 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2852 * tree-ssa-alias.c (lhs_may_store_to): New function.
2853 (recalculate_used_alone): Handle LHS of calls.
2855 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2857 PR target/27034
2858 PR target/26508
2859 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2860 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2861 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2862 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2863 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2864 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2865 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2866 stubs. Add ".align 8" directives before all ".dword" directives.
2867 (GTHREAD_USE_WEAK): Revise comment.
2868 (TARGET_ATTRIBUTE_WEAK): Define.
2869 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2870 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2871 * stublib.c: New file.
2873 PR target/26743
2874 PR target/11254
2875 PR target/10274
2876 * pa.md (cbranch patterns): Revise arguments used in calls to
2877 output_cbranch, output_bb and output_bvd. Add long branch length
2878 attributes.
2879 (fbranch patterns): Handle long branches.
2880 (jump): Revise length check. Revise arguments for output_lbranch call.
2881 Add long branch length attributes.
2882 (decrement_and_branch_until_zero): Add long branch length attributes.
2883 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2884 Likewise. Revise arguments for output_parallel_addb and
2885 output_parallel_movb calls.
2886 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2887 output_parallel_movb and output_parallel_addb): Update prototypes.
2888 * pa.c (output_cbranch): Revise arguments. Correct handling of
2889 nullification in long branches.
2890 (output_lbranch): Add new argument to control extraction of delay
2891 instruction.
2892 (output_bb): Handle long branches.
2893 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2894 output_parallel_addb): Likewise.
2896 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2898 PR rtl-optimization/27073
2899 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2900 not REG_EQUIVs.
2902 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2904 * tree.h (tree_memory_tag): Add old_used_alone.
2905 (SMT_OLD_USED_ALONE): New macro.
2906 * tree-ssa-alias.c (recalculate_used_alone): Stop
2907 marking things for renaming unnecessarily.
2909 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2911 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2912 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2913 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2914 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2915 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2916 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2917 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2918 spelling convensions.
2919 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2920 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2921 typos. Follow spelling conventions.
2923 2006-04-07 DJ Delorie <dj@redhat.com>
2925 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2926 passed on the stack.
2927 (m32c_init_cumulative_args): When a function returns a structure,
2928 always pass the pointer to that return area on the stack.
2929 (m32c_function_arg_advance): Don't increment the parameter number
2930 if we're processing the returned structure pointer.
2931 (pushm_info): Reverse order of registers.
2933 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2935 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2936 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2937 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2938 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2939 build_int_cst_type.
2940 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2941 chrec_fold_multiply): Same.
2942 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2943 force_expr_to_var_cost): Same.
2944 * tree-mudflap.c (mf_xform_derefs_1): Same.
2945 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2947 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2949 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2950 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2951 insn.
2953 2006-04-07 Jan Hubicka <jh@suse.cz>
2955 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2957 2006-04-07 Richard Guenther <rguenther@suse.de>
2959 PR tree-optimization/26135
2960 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2961 loads for store copy-prop.
2962 (copy_prop_visit_stmt): Likewise.
2964 2006-04-05 Robert Millan <robertmh@gnu.org>
2966 * config/i386/linux.h: Add a comment to mark macros that are
2967 being overriden in config/k*bsd-gnu.h.
2968 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2969 DYNAMIC_LINKER.
2970 * config/knetbsd-gnu.h: Ditto.
2972 2006-04-06 Jan Hubicka <jh@suse.cz>
2974 PR profile/20815
2975 PR profile/26399
2976 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2977 after buffer.
2979 2006-04-06 Mike Stump <mrs@apple.com>
2981 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2982 for HAVE_nonlocal_goto to be consistent.
2983 (expand_builtin_nonlocal_goto): Likewise.
2984 (expand_builtin_strcmp): Use #ifdef instead of #if
2985 for HAVE_cmpstrnsi to be consistent.
2987 2006-04-05 DJ Delorie <dj@redhat.com>
2989 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2990 vs m32c.
2992 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2994 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2995 got-relative addressing for anything but SImode.
2997 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2998 even if the calling function doesn't modify them.
3000 2006-04-05 Richard Guenther <rguenther@suse.de>
3002 PR tree-optimization/26919
3003 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3004 to cgraph_estimate_size_after_inlining.
3006 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3008 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3010 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3012 PR tree-optimization/26996
3013 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3014 VECTOR_TYPE variables.
3016 2006-04-05 Richard Guenther <rguenther@suse.de>
3018 PR tree-optimization/26763
3019 * fold-const.c (fold_comparison): Move folding of
3020 PTR + CST CMP PTR + CST ...
3021 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3023 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3025 * doc/install.texi (Prerequisites): Refine some wording on
3026 bootstrapping and ksh.
3027 Move the version numbers of DejaGnu here from the testing section
3028 and fix casing of names.
3029 Fix markup and clarify wording for autogen requirements.
3030 Refer to GCJ instead of just java.
3031 Refer to SVN instead of CVS.
3032 Describe diffutils as useful instead of necessary.
3033 (Downloading the source): Refer to SVN instead of CVS.
3034 Adjust a link to our web site accordingly.
3035 (Configuration): Fix casing of Bison.
3036 (Building): Refer to SVN instead of CVS.
3037 Fix a sentence on the use of Bison and remove duplicate (and
3038 incorrect) version number of Bison requirement.
3039 Remove one redundant list of packages needed for building.
3040 (Specific): Avoid reference to CVS.
3042 2006-04-04 Eric Christopher <echristo@apple.com>
3044 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3045 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3046 (rs6000_handle_struct_attribute): New.
3047 (rs6000_ms_bitfield_layout_p): Ditto.
3049 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3051 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3052 NULL for dso parameter to atexit_common.
3054 2006-04-04 Eric Christopher <echristo@apple.com>
3056 * config/i386/i386.c (machopic_output_stub): Output \t
3057 between instructions and operands.
3059 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3061 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3062 satisfies_constraint_[IL] to explicit tests on value.
3064 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3066 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3067 set_nb_iterations_in_loop): Use build_int_cst instead of
3068 build_int_cst_type.
3069 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3070 build_int_cst instead of convert.
3072 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3074 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3075 new value 2 for incoming.
3076 * function.c (expand_function_start): Call struct_value_rtx
3077 with incoming as 2.
3078 * config/sparc/sparc.md: Comment updated_return.
3079 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3080 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3081 struct return if sparc_std_struct_return and incoming is 2.
3082 (print_operand): Do not adjust return if
3083 sparc_std_struct_return.
3085 2006-04-04 Roger Sayle <roger@eyesopen.com>
3087 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3088 convert in the middle-end.
3089 * expr.c (store_expr, store_constructor, get_inner_reference,
3090 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3091 Likewise.
3092 * tree.c (build_range_type): Likewise.
3094 2006-04-04 Tom Tromey <tromey@redhat.com>
3096 * doc/install.texi (Prerequisites): Mention jar.
3098 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3100 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3101 subsection.
3103 2006-04-04 Matthias Klose <doko@debian.org>
3105 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3106 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3107 strings.
3109 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3111 * doc/extend.texi (Function Attributes): Rewrite visibility
3112 attribute documentation.
3113 * doc/invoke.texi (C++ Dialect Options): Rewrite
3114 -fvisibility-inlines-hidden documentation to describe something
3115 entirely different, although in practise compatible.
3116 (Code Gen Options): Warn about system headers in -fvisibility=
3117 documentation.
3119 * doc/extend.texi (Other Builtins): Document that
3120 __builtin_nan is a compile-time constant only when its argument
3121 is valid.
3123 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3125 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3126 trying to remove TRUNCATE check if all bits outside the new mode
3127 are identical to the sign bit.
3129 2006-04-03 Jeff Law <law@redhat.com>
3131 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3132 and operand scanning in some common cases.
3134 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3135 Dale Johannesen <dalej@apple.com>
3137 PR target/19653
3138 * regclass.c (struct reg_pref): Update documentation.
3139 (regclass): Set prefclass to NO_REGS if memory is the best option.
3140 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3141 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3142 into account. For non-registers, equate an empty preferred
3143 reload class to a `!' in the constraint; move the if clause to
3144 do so after those that reject the insn.
3145 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3146 return NO_REGS.
3147 (find_dummy_reload): Likewise.
3148 * doc/tm.texi (Register Classes): Document what it means
3149 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3150 * config/i386/i386.c (ix86_preferred_reload_class): Force
3151 using SSE registers (and return NO_REGS for floating-point
3152 constants) if math is done with SSE.
3153 (ix86_preferred_output_reload_class): New.
3154 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3155 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3156 * config/i386/i386.md: Remove # register preferences.
3158 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3160 PR bootstrap/26992
3161 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3162 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3163 the type of nb_iter.
3164 (instantiate_parameters_1): Convert the operands before calling
3165 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3166 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3168 2006-04-02 Roger Sayle <roger@eyesopen.com>
3170 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3171 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3172 instead of convert.
3173 * dojump.c (do_jump): Likewise.
3174 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3175 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3176 gimplify_boolean_expr): Likewise.
3177 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3178 * varasm.c (array_size_for_constructor): Likewise.
3179 * tree-object-size.c (compute_object_offset): Likewise.
3181 2006-04-02 Roger Sayle <roger@eyesopen.com>
3183 PR middle-end/26977
3184 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3185 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3187 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3189 PR tree-optimization/26939
3190 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3192 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3194 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3195 at_stmt. Convert the type of operands before calling
3196 build_polynomial_chrec.
3197 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3198 add_to_evolution_1.
3199 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3200 (instantiate_parameters_1): Convert the type of operands before calling
3201 build_polynomial_chrec.
3202 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3203 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3204 reset_evolution_in_loop): Insert asserts to check the types of the
3205 operands.
3206 (chrec_type): Moved...
3207 (eq_evolutions_p): Use operand_equal_p.
3208 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3209 the types of the operands.
3210 (chrec_type): ...here.
3211 * tree-data-ref.c (create_data_ref): Convert the operands before
3212 calling chrec_replace_initial_condition.
3213 (same_access_functions, analyze_subscript_affine_affine,
3214 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3215 (compute_subscript_distance, analyze_ziv_subscript,
3216 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3217 analyze_miv_subscript): Convert the operands before calling
3218 chrec_fold_minus or chrec_fold_plus.
3220 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3222 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3223 the dependence_relations vector.
3224 (compute_data_dependences_for_loop): Adjust call to
3225 compute_all_dependences.
3227 2006-04-01 Roger Sayle <roger@eyesopen.com>
3228 Richard Henderson <rth@redhat.com>
3230 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3231 gimple_boolify on the condition before calling gimplify_expr.
3233 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3235 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3236 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3237 the frame size. Update to use the new macros.
3238 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3239 * config/xtensa/ieee754-df.S: Likewise.
3241 2006-03-31 Richard Henderson <rth@redhat.com>
3243 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3244 (make_edges): ... here. Control fallthru creation with a local
3245 variable. Do not play with fake edges.
3246 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3247 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3248 a boolean.
3250 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3252 * dwarf2.h (DW64_CIE_ID): Define.
3253 * dwarf2out.c (DWARF_CIE_ID): Define.
3254 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3255 length header. Use DWARF_CIE_ID.
3256 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3257 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3259 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3261 * config/sh/linux-atomic.asm: New file.
3262 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3264 2006-03-31 DJ Delorie <dj@redhat.com>
3266 * config/m32c/cond.md: Set condition flags properly throughout.
3267 * config/m32c/minmax.md: Likewise.
3268 * config/m32c/prologue.md: Likewise.
3269 * config/m32c/bitops.md: Likewise.
3270 * config/m32c/muldiv.md: Likewise.
3271 * config/m32c/mov.md: Likewise.
3272 * config/m32c/addsub.md: Likewise.
3273 * config/m32c/m32c.md: Likewise.
3274 * config/m32c/jump.md: Likewise.
3275 * config/m32c/shift.md: Likewise.
3277 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3278 conditionally output the pattern for this.
3279 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3280 (m32c_compare_redundant): New.
3281 (m32c_output_compare): New.
3282 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3284 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3285 dest, not src. Allow other 4-byte modes.
3287 2006-03-30 Denis Chertykov <denisc@overta.ru>
3289 * doc/md.texi: Refer to avr/constraints.md instead of
3290 avr/avr.h.
3292 2006-03-30 Roger Sayle <roger@eyesopen.com>
3294 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3295 signed vs. unsigned comparison failures on some hosts.
3297 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3299 PR target/26459
3300 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3301 change to FLOAT_REGS.
3303 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3304 (rs6000_override_options): Use it.
3305 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3306 only for -mabi=spe/no-spe and -mabi=altivec.
3308 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3310 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3311 !Zdynamiclib.
3313 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3315 * Makefile.in: Rename docdir to gcc_docdir.
3317 2006-03-30 Roger Sayle <roger@eyesopen.com>
3319 PR target/17959
3320 * expr.c (emit_group_store): Optimize group stores into a pseudo
3321 register by using a paradoxical subreg to initialize the destination
3322 if the first or last member of the group specifies a "low part".
3324 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3326 PR target/26734
3327 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3328 * target.h (struct gcc_target.speculate_insn): Change type of the
3329 second parameter to 'int'.
3330 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3331 the second operand of the DEPS_LIST.
3332 (copy_DEPS_LIST_list): Update reference to the second operand of the
3333 DEPS_LIST.
3334 * rtl.h (alloc_DEPS_LIST): Update signature.
3335 * sched-int.h (ds_t): Change typedef to 'int'.
3336 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3338 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3340 * haifa-sched.c (try_ready): Change condition to restore
3341 non-speculative pattern of the instruction.
3342 (process_insn_depend_be_in_spec): Code to keep probability of the
3343 speculative dependence non-decreasing.
3345 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3347 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3348 (single_move_for_movmem): ... this. Also change all uses.
3349 (bfin_expand_strmov): Renamed to...
3350 (bfin_expand_movmem): ... this. Also change all uses.
3351 * config/bfin/bfin.md (movstrsi): Renamed to...
3352 (movstrsi): ...this.
3354 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3356 PR tree-optimization/26830
3358 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3359 (copy_prop_visit_stmt): Remove write-only variable ann.
3360 (init_copy_prop): Check variable loop depth here. Do not simulate
3361 memory-tag and virtual operand PHIs except for store copy prop.
3363 2006-03-30 Richard Guenther <rguenther@suse.de>
3365 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3366 variants with double arguments.
3368 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3370 * genpreds.c (write_tm_constrs_h): Delete variable p.
3371 * genconditions.c (write_header): Add tm-constrs.h to included
3372 headers.
3373 * genpeep.c (main): Add toplev.h to included headers.
3374 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3375 (build/genpeep.o): Add toplev.h dependency.
3376 * config/rs6000/constraints.md: Add "W" constraint.
3378 2006-03-29 Roger Sayle <roger@eyesopen.com>
3380 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3381 sizes by correctly testing whether the size fits a host integer.
3382 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3383 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3384 SImode range for the default sizetype and bitsizetype.
3386 2006-03-29 Roger Sayle <roger@eyesopen.com>
3388 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3389 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3390 quickly if the argument is already of the correct type.
3391 Call fold_build1 instead of build1. Tidy up blank lines.
3393 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3395 * genemit.c (main): Add tm-constrs.h to included headers.
3396 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3397 * genpeep.c (main): Add tm-constrs.h to included headers.
3398 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3399 (write_tm_constrs_h): this and write complete file.
3400 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3401 (write_insn_preds_c): Add tm-constrs.h to included headers.
3402 (gen_constrs): New variable.
3403 (parse_option): Parse "-c".
3404 (main): Invoke write_tm_constrs_h.
3405 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3406 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3407 (object_out_file): Add tm-constrs.h dependency.
3408 (insn-emit.o): Same.
3409 (insn-output.o): Same.
3410 (insn-peep.o): Same.
3411 (insn-preds.o): Same.
3412 (insn-recog.o): Same.
3413 (tm-constsr.h): New target.
3414 (s-constrs-h): New target.
3416 * config/rs6000/constraints.md: New file.
3417 * config/rs6000/rs6000.c: Include tm-constrs.h.
3418 (num_insn_constant_wide): Convert to satisfies_constraint.
3419 (rs6000_rtx_costs): Convert to satisfies_constraint.
3420 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3421 (CONST_OK_FOR_LETTER_P): Delete.
3422 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3423 (EXTRA_CONSTRAINT): Delete.
3424 (EXTRA_MEMORY_CONSTRAINT): Delete.
3425 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3426 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3427 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3428 satisfies_constraint.
3430 * config/i386/i386.c: Include tm-constrs.h.
3432 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3434 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3435 * tree-data-ref.c (find_data_references_in_loop,
3436 compute_data_dependences_for_loop): Use pointers to VEC.
3437 (analyze_all_data_dependences): Adjust calls.
3438 * tree-data-ref.h (find_data_references_in_loop,
3439 compute_data_dependences_for_loop): Adjust declarations.
3440 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3441 compute_data_dependences_for_loop.
3443 2006-03-29 Paul Brook <paul@codesourcery.com>
3445 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3446 (movdf_vfp): Ditto.
3448 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3450 PR tree-optimization/26859
3451 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3452 division by zero.
3453 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3454 for the step after fold_convert.
3456 2006-03-29 Paul Brook <paul@codesourcery.com>
3458 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3459 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3461 2006-03-29 Paul Brook <paul@codesourcery.com>
3463 PR middle-end/23623
3464 * targhooks.c (default_narrow_bitfield): New fuction.
3465 * targhooks.h (default_narrow_bitfield): add prototype.
3466 * target.h (gcc_target): Add narrow_volatile_bitfield.
3467 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3468 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3469 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3470 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3472 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3474 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3475 tmake_file.
3476 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3477 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3478 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3479 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3480 (s390_function_arg_float): Allow SDmode and DDmode values to be
3481 passed in floating point registers.
3482 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3483 check with SCALAR_FLOAT_MODE_P.
3484 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3486 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3488 PR tree-optimization/25985
3489 * tree-ssa-loop-niter.c (number_of_iterations_le,
3490 number_of_iterations_ne): Make comments more precise.
3491 (number_of_iterations_cond): Add only_exit argument. Use the
3492 fact that signed variables do not overflow only when only_exit
3493 is true.
3494 (loop_only_exit_p): New.
3495 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3496 number_of_iterations_cond.
3498 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3500 PR tree-optimization/26643
3501 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3502 bit_field_refs.
3504 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3506 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3507 (divsi3_i4_int): Likewise.
3509 2006-03-28 Roger Sayle <roger@eyesopen.com>
3511 * expr.c (emit_group_store): Only create a new pseudo reg if the
3512 quantity it needs to hold isn't already a suitable pseudo.
3514 2006-03-28 Jeff Law <law@redhat.com>
3516 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3517 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3519 2006-03-28 Roger Sayle <roger@eyesopen.com>
3521 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3522 the equivalent ~X & Y, and the symmetry related transformations.
3523 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3524 ~X & Y, and symmetry related transforms.
3526 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3528 Revert my 2006-03-27 patches.
3530 2006-03-28 Roger Sayle <roger@eyesopen.com>
3532 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3533 ~(T1)X, when T1 and T2 are integer types of the same precision
3534 and (T2)X isn't an extension.
3536 2006-03-28 Jeff Law <law@redhat.com>
3538 PR tree-optimization/26796
3539 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3540 need EH edge cleanups rather than purging them immediately.
3541 (eliminate_degenerate_phis): Handle queued EH cleanups.
3543 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3545 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3546 from parent_var.
3548 2006-03-27 Roger Sayle <roger@eyesopen.com>
3550 PR middle-end/22524
3551 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3552 cast BIT_NOT_EXPR operand to the correct type.
3554 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3556 * tree-loop-linear.c: Don't include varray.h.
3557 (gather_interchange_stats, try_interchange_loops,
3558 linear_transform_loops): Use VEC instead of VARRAY.
3559 * lambda-mat.c: Don't include varray.h.
3560 * tree-chrec.c: Same.
3561 * lambda-trans.c: Same.
3562 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3563 VEC instead of VARRAY.
3564 * tree-vectorizer.h: Idem.
3565 * tree-data-ref.c (dump_data_references,
3566 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3567 initialize_data_dependence_relation, finalize_ddr_dependent,
3568 compute_all_dependences, find_data_references_in_loop,
3569 compute_data_dependences_for_loop, analyze_all_data_dependences,
3570 free_dependence_relation, free_dependence_relations,
3571 free_data_refs): Idem.
3572 * tree-data-ref.h (data_reference_p, subscript_p): New.
3573 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3574 VEC instead of VARRAY.
3575 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3576 (find_data_references_in_loop, compute_data_dependences_for_loop,
3577 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3578 dump_data_dependence_relations, free_dependence_relations,
3579 free_data_refs): Adjust declaration.
3580 (lambda_transform_legal_p): Move declaration here...
3581 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3582 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3583 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3584 vect_analyze_data_refs): Use VEC instead of VARRAY.
3585 * lambda.h (lambda_transform_legal_p): ...from here.
3586 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3587 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3588 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3589 tree-chrec.o): Don't depend on VARRAY_H.
3591 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3593 * rtl.def (Copyright): Update date.
3594 (DEPS_LIST): Change type of the second operand to 'int'.
3595 * target.h (Copyright): Update date.
3596 (struct gcc_target.speculate_insn): Change type of the second parameter
3597 to 'int'.
3598 * lists.c (Copyright): Update date.
3599 (alloc_DEPS_LIST): Change signature. Update reference to the second
3600 operand of the DEPS_LIST.
3601 (copy_DEPS_LIST_list): Update reference to the second operand of the
3602 DEPS_LIST.
3603 * rtl.h (Copyright): Update date.
3604 (alloc_DEPS_LIST): Update signature.
3605 * sched-int.h (Copyright): Update date.
3606 (ds_t): Change typedef to 'int'.
3607 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3609 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3611 * haifa-sched.c (Copyright): Update date.
3612 (try_ready): Change condition to restore non-speculative pattern
3613 of the instruction.
3614 (process_insn_depend_be_in_spec): Code to keep probability of the
3615 speculative dependence non-decreasing.
3617 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3619 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3620 shut up the compiler.
3622 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3624 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3625 to use lib prefix for target.
3626 ($(T)libic_invalidate_array_4-200.a): Likewise.
3627 ($(T)libic_invalidate_array_4a.a): Likewise.
3629 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3630 J"orn Rennecke <joern.rennecke@st.com>
3632 * superh.opt: New file.
3633 * sh.c (boardtype, osruntime): Remove.
3634 * superh.h (SUBTARGET_OPTIONS): Remove.
3635 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3637 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3638 arguments with ^ and/or [].
3640 * config.gcc (sh-*-*): Add quoting to account for quirk of
3641 Solaris /bin/sh.
3642 Replace == with = in enable_incomplete_targets test.
3644 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3645 with MASK_LITTLE_ENDIAN.
3647 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3648 * config/sh/sh.opt: Added to some comments.
3649 * config/sh/superh.h: Removed some chaff.
3651 * config/sh/sh.opt: Add m4-[1234]00* options.
3652 * config/sh/sh.c (sh_handle_option): Likewise.
3653 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3654 (ic_invalidate_array_4-100.o): New rule.
3655 ($(T)libic_invalidate_array_4-100.a): Likewise.
3656 (ic_invalidate_array_4-200.o): Likewise.
3657 ($(T)libic_invalidate_array_4-200.a): Likewise.
3658 (ic_invalidate_array_4a.o): Likewise.
3659 ($(T)libic_invalidate_array_4a.a): Likewise.
3660 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3661 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3662 m4-200*, and m4a*.
3663 * config/sh/crt1.asm: Merged in profiling code.
3664 * config/sh/superh.h (STARTFILE_SPEC): Override.
3665 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3666 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3667 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3669 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3670 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3671 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3673 * sh.opt (mpretend-cmove): New option.
3674 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3675 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3676 (movsicc): Add TARGET_PRETEND_CMOVE code.
3678 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3680 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3681 s390_class_max_nregs): New function prototypes.
3682 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3683 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3684 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3685 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3687 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3689 * dwarf2out.c (add_location_or_const_value_attribute): Call
3690 tree_add_const_value_attribute if nothing else works.
3691 (reference_to_unused): New.
3692 (rtl_for_decl_init): Use reference_to_unused to decide whether
3693 to output an initializer.
3695 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3697 PR target/26459
3698 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3699 peephole removing spe frob_di_df_2.
3701 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3703 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3704 (subscript_dependence_tester_1): Declared.
3705 (print_dir_vectors, print_dist_vectors): New.
3706 (debug_data_dependence_relation): New.
3707 (dump_data_dependence_relation): Print more details.
3708 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3709 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3710 (save_dist_v, save_dir_v, add_outer_distances,
3711 build_classic_dist_vector_1): New.
3712 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3713 Don't test for lambda_vector_lexico_pos.
3714 (same_access_functions, add_multivariate_self_dist,
3715 add_other_self_distances, dir_from_dist): New.
3716 (build_classic_dir_vector): Replace implementation almost identical to
3717 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3718 dir_from_dist.
3719 (subscript_dependence_tester_1): New.
3720 (subscript_dependence_tester): Handle the lexicographically negative
3721 distance vectors by recomputing the dependence relation.
3722 (compute_affine_dependence): Remove parameter loop_nest_depth.
3723 (compute_self_dependence): Don't call compute_subscript_distance.
3724 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3725 Add a parameter for the loop_nest.
3726 (find_loop_nest_1, find_loop_nest): New.
3727 (compute_data_dependences_for_loop): Compute the loop nest, and give
3728 up if the nest is not well formed.
3729 * tree-data-ref.h (loop_p): New.
3730 (struct data_dependence_relation): Replace size_vect field with
3731 loop_nest, a vec of loops.
3732 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3733 (DDR_LOOP_NEST): New.
3734 (print_dir_vectors, print_dist_vectors,
3735 debug_data_dependence_relation): Declared.
3736 (index_in_loop_nest): New.
3737 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3738 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3739 distance.
3741 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3743 * simplify-rtx.c (simplify_relational_operation): Call
3744 simplify_relational_operation_1 even if mode is VOIDmode.
3746 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3748 PR tree-optimization/26804
3749 * tree.h (DECL_CALL_CLOBBERED): New macro.
3750 (tree_decl_common): Add call_clobbered_flag.
3751 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3752 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3753 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3754 (mark_non_addressable): Ditto.
3755 * tree-ssa.c (verify_call_clobbered): New function.
3756 (verify_alias_info): Use it.
3757 * tree-pass.h (pass_reset_cc_flags): New prototype.
3758 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3759 (reset_cc_flags): New function.
3760 * passes.c (init_optimization_passes): Call reset_cc_flags after
3761 initializing referenced_vars.
3763 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3764 Roger Sayle <roger@eyesopen.com>
3766 PR middle-end/26717
3767 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3768 to 1.0 for non-real operands. Implement A / A optimization for
3769 complex operands.
3771 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3773 * config/i386/i386.c (size_cost): Correct the comment for
3774 cost of storing fp registers.
3775 (i386_cost): Likewise.
3776 (i486_cost): Likewise.
3777 (pentium_cost): Likewise.
3778 (pentiumpro_cost): Likewise.
3779 (k6_cost): Likewise.
3780 (athlon_cost): Likewise.
3781 (k8_cost): Likewise.
3782 (pentium4_cost): Likewise.
3783 (nocona_cost): Likewise.
3784 (generic64_cost): Likewise.
3785 (generic32_cost): Likewise.
3787 2006-03-24 Denis Chertykov <denisc@overta.ru>
3789 * config/avr/avr-protos.h (extra_constraint): Delete.
3790 (extra_constraint_Q): New declaration.
3791 * config/avr/constraints.md: New file.
3792 * config/avr/avr.md: Include it.
3793 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3794 (TMP_REGNO, ZERO_REGNO): Likewise.
3795 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3796 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3797 (extra_constraint): Delete.
3798 (extra_constraint_Q): Test for memory constraint 'Q'.
3799 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3800 (REG_CLASS_FROM_LETTER): Delete.
3801 (CONST_OK_FOR_LETTER_P): Delete.
3802 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3803 (EXTRA_CONSTRAINT): Delete.
3804 (TMP_REGNO): Delete.
3805 (ZERO_REGNO): Delete.
3807 2006-03-24 Jeff Law <law@redhat.com>
3809 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3810 directly. Call mark_new_vars_to_rename slightly earlier.
3812 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3814 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3815 (is_cxx): Likewise.
3816 (gen_compile_unit_die): Use new language types for Objective-C and
3817 Objective-C++.
3818 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3819 DW_LANG_C_plus_plus.
3821 PR 26793
3822 * config/t-darwin (crt3.o): Work around bug 26840.
3823 * config/darwin-crt3.c: Rewrite.
3824 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3826 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3828 * doc/invoke.texi: Document -femit-class-debug-always
3829 * common.opt: Add -femit-class-debug-always.
3831 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3833 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3834 index and base register.
3835 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3836 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3837 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3838 REGNO_OK_FOR_INDEX_P.
3839 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3840 ADDR_REGNO_P.
3841 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3842 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3843 REG_OK_FOR_BASE_P): Definitions removed.
3845 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3847 PR middle-end/26611
3848 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3849 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3850 set yet or weren't marked as local yet.
3852 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3854 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3855 the compiler.
3857 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3859 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3860 (rs6000_legitimate_small_data_p): Delete.
3861 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3862 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3863 and make static. Add forward declaration. Update uses.
3864 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3865 of offsettable_memref_p.
3866 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3867 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3869 2006-03-24 Jeff Law <law@redhat.com>
3871 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3872 around bug in immediate-use iterator.
3874 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3876 PR target/26607
3877 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3878 or __LITTLE_ENDIAN__.
3880 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3882 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3883 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3884 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3885 * config/sh/sh.opt (mdiv=): Amend description.
3886 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3887 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3888 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3889 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3890 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3891 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3892 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3893 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3894 TARGET_DIVIDE_CALL_FP.
3896 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3898 * haifa-sched.c (choose_ready): Fix type of the local variable.
3899 Move local variables. Add comment.
3900 (check_reg_live): Change signature. Make callable from debugger.
3901 * sched-int.h (check_reg_live): Update signature.
3902 * sched-ebb.c (check_reg_live): Update parameters.
3903 * sched-rgn.c (check_reg_live): Ditto.
3904 (region_head_or_leaf_p): Check pointer before dereferencing.
3905 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3906 before reload on optimization levels below 1.
3908 2006-03-23 Richard Henderson <rth@redhat.com>
3910 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3911 tls symbols.
3913 PR target/26347
3914 * config/alpha/predicates.md (local_symbolic_operand): Reject
3915 weak symbols.
3917 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3919 PR tree-opt/26795
3920 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3921 expressions which have overflowed constants.
3923 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3925 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3927 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3929 * cfgloopmanip.c (create_loop_notes): Removed.
3930 * final.c (final_scan_insn): Do not handle loop notes.
3931 * jump.c (squeeze_notes): Ditto.
3932 * cfglayout.c (skip_insns_after_block,
3933 duplicate_insn_chain): Ditto.
3934 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3935 create_loop_notes.
3936 * cfgloop.h (create_loop_notes): Declaration removed.
3938 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3940 * varasm.c (output_constant_pool): Restore fnname and fndecl
3941 arguments.
3942 (assemble_start_function): Adjust call accordingly.
3943 (assemble_end_function): Likewise.
3945 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3947 PR mudflap/26789
3948 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3950 PR mudflap/26790
3951 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3953 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3955 PR driver/22600
3956 * system.h (ICE_EXIT_CODE): New macro.
3957 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3958 (diagnostic_action_after_output): Likewise.
3959 * gcc.c (fatal_ice): New function.
3960 (execute): Use it instead of fatal.
3961 (fancy_abort): Likewise.
3962 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3964 2006-03-22 Jeff Law <law@redhat.com>
3966 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3967 iv_analyze_result returning false.
3969 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3971 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3973 2006-03-22 Richard Henderson <rth@redhat.com>
3975 PR middle-end/26084
3976 * except.c (duplicate_eh_regions_0): New.
3977 (duplicate_eh_region_1): Duplicate the children of the node as
3978 well as the node itself. Link them up properly.
3979 (duplicate_eh_region_2): Merge into ...
3980 (duplicate_eh_regions): ... here. Take copy_region argument, and
3981 copy only a sub-tree if asked. Simplify copying and fixup.
3982 (eh_region_outer_p): New.
3983 * except.h (duplicate_eh_regions): Update decl.
3984 (eh_region_outer_p): Declare.
3985 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3986 (lower_omp_master): Likewise.
3987 (lower_omp_ordered): Likewise.
3988 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3989 (move_stmt_r): Use it to remap labels. Handle recursion vs
3990 remap_decls_p properly.
3991 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3992 (find_outermost_region_in_block): New.
3993 (new_label_mapper): New.
3994 (move_sese_region_to_fn): Copy eh information to the new function
3995 properly.
3996 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3997 argument.
3998 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3999 number.
4001 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4003 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4004 into shared libraries.
4006 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4008 * doc/md.texi: Refer to i386/constraints.md instead of
4009 i386/predicates.md.
4010 * config/i386/constraints.md: New file, extracted from...
4011 * config/i386/predicates.md: ...here.
4012 * config/i386/i386.md: Include constraints.md.
4014 2006-03-21 Jason Merrill <jason@redhat.com>
4016 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4018 PR middle-end/20297
4019 * expr.c (init_block_move_fn): Force default visibility.
4020 (init_block_clear_fn): Likewise.
4021 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4022 * targhooks.c (default_external_stack_protect_fail): Likewise.
4024 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4026 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4027 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4028 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4029 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4030 (loadgp): Use mips_current_loadgp_style.
4031 (loadgp_noshared): New pattern.
4032 (sibcall_internal): Use MIPS_CALL.
4033 (sibcall_value_internal): Likewise.
4034 (sibcall_value_multiple_internal): Likewise.
4035 (call_internal): Likewise.
4036 (call_value_internal): Likewise.
4037 (call_value_multiple_internal): Likewise.
4038 (call_split): Use MIPS_CALL and add an 'S' constraint.
4039 (call_value_split): Likewise.
4040 (call_value_multiple_split): Likewise.
4041 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4042 (-mshared): New option.
4043 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4044 (mips_current_loadgp_style): Declare.
4045 * config/mips/mips.c (mips_classify_symbol): Avoid using
4046 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4047 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4048 TARGET_ABSOLUTE_ABICALLS.
4049 (override_options): Adjust comments. Improve the warning that is
4050 issued when -mabicalls and -G are used together.
4051 (mips_file_start): Remove comment.
4052 (mips_current_loadgp_style): New function.
4053 (mips_gnu_local_gp): New variable.
4054 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4055 LOADGP_ABSOLUTE.
4056 (mips_output_function_prologue): Use mips_current_laodgp_style.
4057 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4058 the cprestore instruction.
4059 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4060 live for TARGET_ABSOLUTE_ABICALLS.
4061 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4062 (ASM_SPEC): Pass down -mshared and -mno-shared.
4063 (MIPS_CALL): New macro.
4064 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4065 definition.
4066 * doc/invoke.texi (-mabicalls): Update documentation.
4067 (-mshared): Document.
4069 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4071 * config/ia64/unwind-hpux.c: New file.
4072 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4074 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4076 PR libgomp/26384
4077 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4079 2006-03-21 Jeff Law <law@redhat.com>
4081 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4082 type conversions of a VR_VARYING source to a wider type.
4084 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4086 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4087 tm_file on Solaris 10 and later.
4088 (sparc64-*-solaris2*): Likewise.
4089 (sparc-*-solaris2*): Likewise.
4090 * config/sol26.h: Rename to config/sol2-6.h.
4091 * config/sol2-10.h: New file.
4093 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4095 PR tree-opt/26781
4096 * tree-ssa-pre.c (create_component_ref_by_pieces):
4097 Handle STRING_CST.
4099 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4101 PR c++/26690
4102 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4103 return it immediately.
4105 2006-03-21 Michael Matz <matz@suse.de>
4107 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4108 New members.
4109 (remove_arc, add_arc): Update num_out_arcs member.
4110 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4111 of out arcs.
4112 (cache_presence): New function.
4113 (compare_states_for_equiv): New function.
4114 (state_is_differed): Don't take number of outargs, adjust callers.
4115 Use new invariant for speeding up.
4116 (init_equiv_class): Create initial classes based on sorted
4117 input.
4118 (partition_equiv_class): Don't track out_arcs_num.
4119 (evaluate_equiv_classes): Call cache_presence on all states and
4120 sort them.
4122 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4124 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4125 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4126 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4127 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4128 callers changed.
4129 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4130 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4131 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4132 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4133 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4134 macros.
4135 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4136 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4137 (REGNO_REG_CLASS): ARGP is in PREGS.
4138 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4139 IREGS.
4140 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4141 to deal with those addresses.
4142 * addresses.h: New file.
4143 * caller-save.c: Include "addresses.h".
4144 (init_caller_save): Use new base_reg_class function.
4145 * rtl-factoring.c: Include "addresses.h".
4146 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4147 * recog.c: Include "addresses.h".
4148 (preprocess_constraints): Use new base_reg_class function.
4149 * regrename.c: Include "addresses.h".
4150 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4151 functions. Keep track of a new var INDEX_CODE to compute valid
4152 classes.
4153 (replace_oldest_value_addr): Likewise.
4154 (replace_oldest_value_mem): Use base_reg_class.
4155 * reload.c: Include "addresses.h".
4156 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4157 (find_reloads): Use new base_reg_class function.
4158 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4159 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4160 all callers and prototype changed.
4161 * reload1.c: Include "addresses.h".
4162 (maybe_fix_stack_asms): Use base_reg_class.
4163 * regclass.c: Include "addresses.h".
4164 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4165 (init_reg_autoinc): Use new base_reg_class function.
4166 (record_reg_classes): Likewise.
4167 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4168 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4169 Use new args to compute necessary class.
4171 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4172 regrename.o, rtl-factoring.o): Update dependencies.
4173 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4174 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4175 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4176 REG_OK_FOR_INDEX_P): Delete documentation.
4178 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4180 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4181 from V7 to V9 for Solaris 7 and above.
4183 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4185 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4186 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4187 argument pointers may not alias any other storage.
4188 * common.opt: Define option -fargument-noalias-anything.
4189 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4190 alias semantics is specified by flag_argument_noalias > 2.
4192 2006-03-20 Jeff Law <law@redhat.com>
4194 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4195 (pass_phi_only_cprop): Declare.
4196 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4197 with phi_only_cprop
4198 * tree-ssa-dom.c (degenerate_phi_result): New function.
4199 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4200 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4201 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4202 (eliminate_degenerate_phis): Likewise.
4203 (pass_phi_only_cprop): New pass descriptor.
4204 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4205 support code. Callers updated.
4206 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4207 (store_copy_prop): Likewise.
4208 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4210 2006-03-20 Jason Merrill <jason@redhat.com>
4212 PR c++/21764
4213 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4214 (push_visibility, pop_visibility): Likewise.
4215 * c-pragma.h: Declare them.
4217 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4219 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4221 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4222 parameter and use get_ebb_head_tail.
4223 (sh_md_init_global): Adjust uses of find_regmode_weight.
4225 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4227 * function.h (struct function) <x_tail_recursion_reentry>:
4228 Rename to x_stack_check_probe_note.
4229 (tail_recursion_reentry): Rename to stack_check_probe_note.
4230 * function.c: Replace tail_recursion_reentry with
4231 stack_check_probe_note everywhere.
4232 (expand_function_start): Only emit a note for
4233 stack_check_probe_note with -fstack-protect.
4234 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4236 * emit-rtl.c (remove_unnecessary_notes): Remove.
4237 (pass_remove_unnecessary_notes): Remove.
4238 * rtl.h (remove_unnecessary_notes): Remove prototype.
4239 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4240 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4241 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4243 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4245 PR tree-opt/26629
4246 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4247 (valid_in_set): Handle ARRAY_REF.
4248 Change "if min_variant or VH" to asserts.
4249 (create_component_ref_by_pieces): Handle ARRAY_REF.
4250 (create_expression_by_pieces): Likewise.
4251 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4253 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4255 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4256 is operand of switch, not str[0].
4258 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4260 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4261 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4263 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4265 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4266 end of insn_extra_address_constraint declaration.
4268 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4270 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4271 (no-sum-in-toc): Same.
4272 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4273 variables.
4274 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4275 NO_FP_IN_TOC for -fPIC instead of mask.
4277 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4278 (BOOT_LDFLAGS): Delete.
4279 (LDFLAGS): Delete.
4280 * config/rs6000/t-aix52: Same.
4282 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4283 (stmsi[345678]_power): New.
4285 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4287 * config/ia64/ia64.opt: Add empty line to end of file.
4289 2006-03-17 Richard Guenther <rguenther@suse.de>
4291 PR middle-end/26721
4292 * builtins.c (get_pointer_alignment): For component style references
4293 adjust alignment to the component type alignment. Make sure
4294 to adjust alignment for component access of constants.
4296 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4298 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4299 unconditional jump.
4301 2006-03-17 Paul Brook <paul@codesourcery.com>
4303 * doc/install.texi: Docuemnt --with-mode.
4304 * config.gcc: Add --with-mode for arm*-*-*.
4305 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4307 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4309 * sh.c (max_labelno_before_reorg): New variable.
4310 (sh_reorg): Initialize it.
4311 (find_barrier): Check max_labelno_before_reorg before using
4312 label_to_alignment. Take length of explicit alignment insns
4313 into account. When seeing a UNSPECV_CONST_END, return it.
4315 * sh.c (fixup_mova): Set mode of affected label to QImode.
4316 (untangle_mova): New function.
4317 (find_barrier): Use it. Check mode of label before decrementing
4318 num_mova.
4319 (sh_reorg): Likewise.
4320 Set mode of all insns back to VOIDmode.
4322 * sh.c (MOVA_LABELREF): New macro.
4323 (mova_p, fixup_mova, sh_reorg): Use it.
4324 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4325 ADDR_DIFF_VEC matches mova.
4327 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4329 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4330 with ATTRIBUTE_UNUSED.
4332 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4334 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4335 pointer, instead of assuming it is possible to derive the
4336 correct args size from a call insn.
4338 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4340 * rtl.h (CONST_INT_P): Define.
4341 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4342 instead of GET_CODE(x) == CONST_INT.
4343 (vax_rtx_costs): Likewise.
4344 (vax_output_int_move): Likewise.
4345 (vax_output_int_add): Likewise.
4346 (legitimate_constant_address_p): Likewise.
4347 (index_term_p): Likewise.
4348 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4349 * config/vax/vax.md (and<mode>3): Likewise.
4350 (ashrsi3): Likewise.
4351 (extv): Likewise.
4352 (movstricthi): Likewise.
4353 (movstrictqi): Likewise.
4354 (rotrsi3): Likewise.
4355 (five unnamed insns): Likewise.
4357 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4359 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4360 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4361 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4362 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4363 Pass to ASM_OUTPUT_DWARF_OFFSET.
4364 * dwarf2out.c (debug_frame_section): New.
4365 (output_call_frame_info): Use debug_frame_section. Pass it to
4366 dw2_asm_output_offset.
4367 (output_die): Pass appropriate section to dw2_asm_output_offset.
4368 (output_compilation_unit_header): Likewise.
4369 (output_pubnames): Likewise.
4370 (output_aranges): Likewise.
4371 (enum dw_val_class): Break dw_val_class_lbl_offset into
4372 dw_val_class_lineptr and dw_val_class_macptr.
4373 (add_AT_lbl_offset): Delete.
4374 (add_AT_lineptr): New.
4375 (add_AT_macptr): New.
4376 (AT_lbl): Expect a lineptr or macptr.
4377 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4378 (attr_checksum): Likewise.
4379 (same_dw_val_p): Likewise.
4380 (size_of_die): Likewise.
4381 (value_format): Likewise.
4382 (output_die): Likewise.
4383 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4384 add_AT_lbl_offset.
4385 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4386 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4387 * config/darwin-protos.h (darwin_file_start): New.
4388 (darwin_asm_output_dwarf_offset): New.
4389 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4390 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4391 darwin_file_start.
4392 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4393 if not EH section; simplify.
4394 (darwin_file_start): New.
4395 (darwin_asm_output_dwarf_offset): New.
4396 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4397 mark as 'debug'.
4398 (DEBUG_INFO_SECTION): Likewise.
4399 (DEBUG_ABBREV_SECTION): Likewise.
4400 (DEBUG_ARANGES_SECTION): Likewise.
4401 (DEBUG_MACINFO_SECTION): Likewise.
4402 (DEBUG_LINE_SECTION): Likewise.
4403 (DEBUG_LOC_SECTION): Likewise.
4404 (DEBUG_PUBNAMES_SECTION): Likewise.
4405 (DEBUG_STR_SECTION): Likewise.
4406 (DEBUG_RANGES_SECTION): Likewise.
4407 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4408 (ASM_OUTPUT_DWARF_OFFSET): New.
4410 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4412 * config.gcc (tm_defines): Always add to previous value rather
4413 than replacing it.
4415 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4417 * config/mips/predicates.md (splittable_const_int_operand): New,
4418 split from move_operand.
4419 (splittable_symbolic_operand): New.
4420 (move_operand): Add commentary. Use splittable_const_int_operand.
4421 Inline mips_atomic_symbolic_constant_p.
4422 * config/mips/mips.md: Add combine splitters for handling moves
4423 of splittable_const_int_operands and splittable_symbolic_operands.
4424 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4425 (mips_split_symbol): Declare.
4426 (mips_move_integer): Declare.
4427 * config/mips/mips.c (mips_split_p): Make global.
4428 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4429 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4430 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4431 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4432 (mips_offset_within_object_p): Handle block symbols.
4433 (mips_atomic_symbolic_constant_p): Delete.
4434 (mips_cannot_force_const_mem): Return false for constants that
4435 mips_legitimize_move can handle.
4436 (mips_use_blocks_for_constant_p): New function.
4437 (mips_split_symbol): Make global.
4438 (mips_move_integer): Likewise. Add a temporary register argument.
4439 (mips_legitimize_const_move): Use splittable_const_int_operand and
4440 splittable_symbolic_operand.
4441 (mips_use_anchors_for_symbol_p): New function.
4442 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4443 (mips_split_p): Declare.
4445 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4447 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4448 (mips*-*-linux*): Likewise.
4450 2006-03-16 Roger Sayle <roger@eyesopen.com>
4451 Daniel Speyer <dspeyer@wam.umd.edu>
4453 PR middle-end/18259
4454 * tree-dump.c (dump_real): New function.
4455 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4456 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4457 (tree-dump.o): Add $(REAL_H) to the dependencies.
4459 2006-03-16 Roger Sayle <roger@eyesopen.com>
4461 PR middle-end/21781
4462 * real.c (real_from_string): If the mantissa is zero, don't bother
4463 parsing the exponent as the result should always be zero.
4465 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4467 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4469 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4471 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4472 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4473 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4474 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4475 ia64_sched_finish_global): New static functions to implement
4476 hooks from gcc_target.sched.
4477 (spec_check_no, max_uid, pending_data_specs): New static variables.
4478 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4479 ia64_spec_check_src_p): New static functions.
4480 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4481 (TARGET_SCHED_ADJUST_COST): Removed.
4482 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4483 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4484 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4485 TARGET_SCHED_GEN_CHECK,
4486 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4487 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4488 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4489 Fixed to handle speculation checks.
4490 (rtx_needs_barrier): Fixed to handle speculative loads and
4491 their checks.
4492 (ia64_variable_issue): Added code to count speculative loads and their
4493 checks.
4494 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4495 speculative loads.
4496 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4497 New enumerations.
4498 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4499 New constants.
4500 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4501 (ia64_reorg): Reset stops_p to NULL after it is freed.
4502 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4503 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4504 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4505 chk_a.
4506 (data_speculative, control_speculative, check_load): New attributes.
4507 (mov<mode>_advanced, mov<mode>_speculative,
4508 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4509 zero_extend<mode>di2_speculative,
4510 zero_extend<mode>di2_speculative_advanced): New patterns for
4511 data and control speculative loads.
4512 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4513 check loads.
4514 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4515 New pattern for data and control speculation checks.
4516 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4517 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4518 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4519 Auxiliary definitions for the patterns.
4520 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4521 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4522 constraints.
4523 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4524 for speculation.
4525 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4526 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4527 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4528 New resource constraints.
4529 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4530 for speculation.
4531 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4532 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4533 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4534 msched-in-control-spec, msched-ldc, msched-control-ldc,
4535 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4536 msched-prefer-non-control-spec-insns,
4537 msched-count-spec-in-critical-path): New flags to tune speculative
4538 scheduling.
4539 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4540 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4541 msched-in-control-spec, msched-ldc, msched-control-ldc,
4542 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4543 msched-prefer-non-control-spec-insns,
4544 msched-count-spec-in-critical-path): Document new flags.
4546 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4548 * target.h (struct spec_info_def): New opaque declaration.
4549 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4550 speculate_insn, needs_block_p, gen_check,
4551 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4552 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4553 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4554 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4555 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4556 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4557 gcc_target.sched.
4558 (TARGET_SCHED): Use new macros.
4559 * rtl.h (copy_DEPS_LIST_list): New prototype.
4560 * sched-int.h (struct sched_info): Change signature of new_ready field,
4561 adjust all initializations. New fields: add_remove_insn,
4562 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4563 region_head_or_leaf_p.
4564 (struct spec_info_def): New structure declaration.
4565 (spec_info_t): New typedef.
4566 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4567 recovery_block, orig_pat.
4568 (glat_start, glat_end): New variables declaraions.
4569 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4570 New access macros.
4571 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4572 DETACH_LIFE_INFO, USE_GLAT.
4573 (enum SPEC_SCHED_FLAGS): New enumeration.
4574 (NOTE_NOTE_BB_P): New macro.
4575 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4576 attach_life_info, debug_spec_status, check_reg_live): New functions.
4577 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4578 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4579 sched-ebb.c
4580 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4581 * ddg.c (get_block_head_tail): Adjust all uses.
4582 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4583 (sms_sched_info): Initialize new fields.
4584 (contributes_to_priority): Removed.
4585 * haifa-sched.c (params.h): New include.
4586 (get_block_head_tail): Adjust all uses.
4587 (ISSUE_POINTS): New macro.
4588 (glat_start, glat_end): New global variables.
4589 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4590 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4591 old_last_basic_block, before_recovery, current_sched_info_var,
4592 rgn_n_insns, luid): New static variables.
4593 (insn_cost1): New function. Move logic from insn_cost to here.
4594 (find_insn_reg_weight1): New function. Move logic from
4595 find_insn_reg_weight to here.
4596 (reemit_notes, move_insn, max_issue): Change signature.
4597 (move_insn1): Removed.
4598 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4599 extend_bb): New static functions to support extension of scheduler's
4600 data structures.
4601 (generate_recovery_code, process_insn_depend_be_in_spec,
4602 begin_speculative_block, add_to_speculative_block,
4603 init_before_recovery, create_recovery_block, create_check_block_twin,
4604 fix_recovery_deps): New static functions to support
4605 generation of recovery code.
4606 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4607 restore_bb_notes, move_block_after_check, move_succs): New static
4608 functions to support ebb scheduling.
4609 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4610 functions to support handling of register live information.
4611 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4612 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4613 add_jump_dependencies): New static functions.
4614 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4615 consistancy checking.
4616 (debug_spec_status): New function to call from debugger.
4617 (priority): Added code to handle speculation checks.
4618 (rank_for_schedule): Added code to distinguish speculative instructions.
4619 (schedule_insn): Added code to handle speculation checks.
4620 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4621 Fixed to handle ebbs.
4622 (move_insn): Added code to handle ebb scheduling.
4623 (max_issue): Added code to use ISSUE_POINTS of instructions.
4624 (choose_ready): Added code to choose between speculative and
4625 non-speculative instructions.
4626 (schedule_block): Added code to handle ebb scheduling and scheduling of
4627 speculative instructions.
4628 (sched_init): Initialize new variables.
4629 (sched_finish): Free new variables. Print statistics.
4630 (try_ready): Added code to handle speculative instructions.
4631 * lists.c (copy_DEPS_LIST_list): New function.
4632 * sched-deps.c (extend_dependency_caches): New function. Move logic
4633 from create_dependency_caches to here.
4634 (get_dep_weak, ds_merge): Make global.
4635 * genattr.c (main): Code to output prototype for
4636 dfa_clear_single_insn_cache.
4637 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4638 (output_dfa_clean_insn_cache_func): Code to output
4639 dfa_clear_single_insn_cache function.
4640 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4641 n_insns.
4642 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4643 Removed.
4644 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4645 New static variables.
4646 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4647 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4648 struct sched_info.
4649 (ebb_sched_info): Initialize new fields.
4650 (get_block_head_tail): Adjust all uses.
4651 (compute_jump_reg_dependencies): Fixed to use glat_start.
4652 (schedule_ebb): Code to remove unreachable last block.
4653 (schedule_ebbs): Added code to update register live information.
4654 * sched-rgn.c (region_sched_info): Initialize new fields.
4655 (get_block_head_tail): Adjust all uses.
4656 (last_was_jump): Removed. Adjust users.
4657 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4658 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4659 Implement new hooks.
4660 (check_dead_notes1): New static function.
4661 (struct region): New fields: dont_calc_deps, has_real_ebb.
4662 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4663 (BB_TO_BLOCK): Fixed to handle EBBs.
4664 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4665 (ebb_head): New static variable.
4666 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4667 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4668 new fields.
4669 (compute_dom_prob_ps): New assertion.
4670 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4671 global_live_at_start.
4672 (init_ready_list): New assertions.
4673 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4674 (new_ready): Add support for BEGIN_CONTROL speculation.
4675 (schedule_insns): Fixed code that updates register live information
4676 to handle EBBs.
4677 (schedule_region): Fixed to handle EBBs.
4678 (init_regions): Use extend_regions and check_dead_notes1.
4679 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4680 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4681 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4682 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4683 TARGET_SCHED_GEN_CHECK,
4684 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4685 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4686 * doc/invoke.texi (max-sched-insn-conflict-delay,
4687 sched-spec-prob-cutoff): Document.
4689 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4691 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4692 inter_tick, queue_index.
4693 (struct sched_info): Change signature of init_ready_list field.
4694 Adjust all initializations.
4695 (RESOLVED_DEPS): New access macro.
4696 (ready_add): Remove prototype.
4697 (try_ready): Add prototype.
4698 * sched-rgn.c (init_ready_list): Use try_ready.
4699 (schedule_region): Initialize
4700 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4701 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4702 (init_ready_list): Use try_ready.
4703 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4704 * lists.c (remove_list_elem): Remove `static'.
4705 (remove_free_INSN_LIST_elem): New function.
4706 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4707 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4708 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4709 New constants.
4710 (readyp): New variable.
4711 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4712 change_queue_index, resolve_dep): New static functions.
4713 (try_ready): New function. Adjust callers in sched-rgn.c and
4714 sched-ebb.c to use it instead of ready_add.
4715 (clock_var): Move at the begining of file.
4716 (rank_for_schedule): Fix typo.
4717 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4718 (ready_lastpos): Enforce assertion.
4719 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4720 update all callers.
4721 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4722 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4723 (queue_to_ready): Use free_INSN_LIST_list.
4724 (early_queue_to_ready): Fix typo.
4725 (schedule_block): Init readyp. Move init_ready_list call after the
4726 initialization of clock_var. Fix error in rejecting insn by
4727 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4728 that previously corrected INSN_TICKs. Add code for handling
4729 QUEUE_INDEX.
4730 (set_priorities): Fix typo.
4731 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4732 Clarify comment and code that keeps current_sched_info->next_tail
4733 non-null.
4735 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4737 * sched-rgn.c (extend_rgns): New static function.
4738 (find_rgns): Use it.
4739 (gather_region_statistics, print_region_statistics): New static
4740 functions.
4741 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4742 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4744 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4745 Andrey Belevantsev <abel@ispras.ru>
4747 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4748 * lists.c (unused_deps_list): New variable.
4749 (free_list): Add assertions to verify the proper distinguishing
4750 between INSN_LISTs and DEPS_LISTs.
4751 (find_list_elem, remove_list_elem, remove_list_node): New static
4752 functions.
4753 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4754 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4755 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4756 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4757 an INSN_LIST.
4758 (free_INSN_LIST_node): Likewise.
4759 * modulo-sched.c (current_sched_info): Initialize flags field.
4760 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4761 * rtl.def (DEPS_LIST): Define.
4762 * rtl.h: Declare new functions from lists.c.
4763 * sched-deps.c (spec_dependency_cache): New static variable.
4764 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4765 (add_dependence): Change return type to void. Move the logic to ...
4766 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4767 (delete_all_dependences): Add comment about forward_dependency_cache.
4768 Handle spec_dependency_cache. Handle DEPS_LISTs.
4769 (fixup_sched_groups): Clarify the change of priority of output
4770 and anti dependencies.
4771 (sched_analyze_2): Adjust add_dependence calls to create data
4772 speculative dependence.
4773 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4774 Adjust all callers. Handle DEPS_LISTS.
4775 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4776 presence of speculation.
4777 (init_dependency_caches, free_dependency_caches):
4778 Handle spec_dependency_cache.
4779 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4780 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4781 New static functions.
4782 (add_or_update_back_dep, add_or_update_back_forw_dep,
4783 add_back_forw_dep, delete_back_forw_dep): New functions.
4784 * sched-int.h (ds_t, dw_t): New typedefs.
4785 (struct sched_info): Add new field flags.
4786 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4787 Prototype new sched-deps.c functions.
4788 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4789 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4790 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4791 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4792 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4793 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4794 New constants.
4795 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4796 New enums.
4797 * sched-rgn.c (current_sched_info): Initialize flags field.
4798 (schedule_insns): Initialize current_sched_info before the sched_init
4799 call.
4800 * sched-ebb.c (current_sched_info): Initialize flags field.
4801 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4802 Call add_or_update_back_dep instead of add_dependence.
4803 Create control speculative dependencies.
4804 (schedule_insns): Initialize current_sched_info before the sched_init
4805 call.
4807 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4809 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4810 fs->signal_frame.
4811 (sh_fallback_frame_state): Likewise.
4813 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4815 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4816 Do switch on default_use_cxa_atexit.
4817 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4818 * config/darwin-crt3.o: New.
4819 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4820 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4821 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4822 OS version.
4823 * config/rs6000/t-darwin: Move crt2.o building to here.
4824 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4825 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4826 of __cxa_atexit.
4828 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4830 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4831 from '! xxx' to '!xxx' for coding-style conformance.
4832 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4833 (EXTRA_CONSTRAINT): Likewise.
4834 * config/vax/vax.md (four unnamed insns): Likewise.
4836 2006-03-15 Paul Brook <paul@codesourcery.com>
4838 * config/arm/arm.c (minipool_pad): New.
4839 (add_minipool_forward_ref): Include pool alignment padding in address
4840 calculation.
4841 (push_minipool_fix): Set minipool_pad.
4842 (minipool_pad): Ditto.
4844 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4846 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4847 instead of GET_CODE() == MEM and REG_P() instead of
4848 GET_CODE() == REG.
4849 (print_operand_address): Likewise.
4850 (vax_address_cost): Likewise.
4851 (vax_rtx_costs): Likewise.
4852 (vax_notice_update_cc): Likewise.
4853 (vax_output_int_add): Likewise.
4854 (INDEX_REGISTER_P): Likewise.
4855 (BASE_REGISTER_P): Likewise.
4856 (nonindexed_address_p): Likewise.
4857 (vax_mode_dependent_address_p): Likewise.
4858 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4859 (PRINT_OPERAND): Likewise.
4860 * config/vax/vax.md (ashlsi3): Likewise.
4861 (ashlsi3): Likewise.
4862 (some more unnamed insns): Likewise.
4864 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4866 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4867 iterator-style macro.
4868 (mark_control_dependent_edges_necessary): Update the use of
4869 EXECUTE_IF_CONTROL_DEPENDENT.
4871 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4873 * config/sh/predicates.md (cache_address_operand): Special.
4874 (ua_address_operand): Likewise.
4876 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4878 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4879 loop notes.
4880 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4882 2006-03-15 Andreas Schwab <schwab@suse.de>
4884 * gensupport.c (identify_predicable_attribute): Don't free p_false
4885 when it is still in use.
4887 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4889 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4890 the default setting here.
4892 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4894 * tree-pass.h (pass_cfg): Remove.
4895 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4896 * passes.c (pass_cfg): Don't run it.
4898 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4900 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4901 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4902 VEC(char,heap) *.
4903 (stack_regs_mentioned): Update the uses of
4904 stack_regs_mentioned_data. Don't access the array beyond its
4905 end.
4906 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4907 Don't include gt-reg-stack.h.
4909 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4910 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4912 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4914 PR middle-end/26684
4915 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4916 STACK_REGS.
4918 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4920 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4922 2006-03-14 Richard Guenther <rguenther@suse.de>
4924 PR tree-optimization/26672
4925 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4926 SSA form.
4928 2006-03-14 Richard Guenther <rguenther@suse.de>
4930 PR tree-optimization/26667
4931 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4932 node for the callees. Always allow inlining if it will shrink
4933 the function size.
4935 2006-03-14 Richard Guenther <rguenther@suse.de>
4937 PR middle-end/26659
4938 * builtins.c (get_pointer_alignment): Prefer alignment
4939 information from decls over that from types.
4941 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4943 PR target/26657
4944 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4946 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4948 * config/rs6000/rs6000.opt (mdlmzb): New option.
4949 (msched-prolog, msched-epilog): Use Var not Mask.
4950 * doc/invoke.texi (-mdlmzb): Document.
4951 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4952 MASK_SCHED_PROLOG.
4953 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4954 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4956 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4958 PR rtl-optimization/25739
4959 * bt-load.c (augment_live_range): Free tos pointer.
4961 * gensupport.c (identify_predicable_attribute): Free
4962 p_false pointer.
4963 * gcov.c (create_file_names): Free name pointer.
4965 2006-03-13 Roger Sayle <roger@eyesopen.com>
4967 PR middle-end/26557
4968 * stmt.c (emit_case_nodes): Handle the case where the index is a
4969 CONST_INT, where the comparison mode is specified by the index type.
4971 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4973 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4974 is defined.
4976 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4978 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4979 (*branch_fp_inverted): Likewise.
4981 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4983 PR middle-end/25989
4984 * omp-low.c (expand_omp_for_generic): Mark istart0
4985 and iend0 as addressable.
4987 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4989 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4991 2006-03-13 Jeff Law <law@redhat.com>
4993 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4994 virtual operands are interesting.
4995 (vrp_visit_stmt): Corresponding changes.
4997 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4999 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5000 of RETS.
5001 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5002 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5003 * config/bfin/crti.S: Use it instead of __PIC__.
5004 * config/bfin/crtn.S: Likewise.
5006 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5007 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5008 not if flag_pic.
5009 Lose 'G' modifier for call operand.
5010 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5011 recognize 'G' modifier.
5013 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5015 PR middle-end/18859
5016 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5017 * stmt.c (expand_case): Likewise.
5019 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5021 PR rtl-optimization/26254
5022 * loop-invariant.c (seq_insns_valid_p): New function.
5023 (move_invariant_reg): Only emit new code if it is valid.
5025 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5027 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5028 Removed.
5029 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5030 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5031 (commit_one_edge_insertion): Do not look for loop notes.
5033 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5035 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5036 flag_test_coverage out of loop.
5038 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5040 * final.c (shorten_branches): Remove outdated comment, and turn
5041 the if branch that guards it to continue.
5043 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5045 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5046 * cfgloop.h (struct loop): Remove unused fields.
5048 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5050 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5051 (-dL, -fdump-rtl-loop2): Update the dump file names
5053 * doc/invoke.texi: Update dump file names.
5055 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5057 * predict.c (estimate_probability): Remove.
5058 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5059 * basic-block.h (estimate_probability): Remove prototype.
5060 * passes.c (finish_optimization_passes): Dump branch prediction or
5061 profiling heuristics to the .profile tree dump.
5062 (init_optimization_passes): Unqueue pass_branch_prob.
5064 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5066 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5068 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5069 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5071 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5073 * function.h (frame_offset_overflow): Declare.
5074 * function.c (frame_offset_overflow): New function.
5075 (assign_stack_local_1): Call it to detect that the offset overflows.
5076 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5078 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5080 * config/sh/sh.c: Include alloc-pool.h.
5081 (label_ref_list_pool): New alloc pool.
5082 (label_ref_list_t): New type for lists of labels.
5083 (struct pool_node): Make wend a label_ref_list_t.
5084 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5085 references.
5086 (dump_table): Likewise.
5087 (sh_reorg): Set up the alloc pool before using add_constant and
5088 dump_table, and destroy it when finishing.
5090 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5092 * config/mips/mips.c: Remove redundant comment.
5094 2006-03-10 Jason Merrill <jason@redhat.com>
5096 PR c/26004
5097 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5098 the target was declared 'register'.
5100 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5102 * genpreds.c (write_insn_constraint_len): Change definition of
5103 insn_constraint_len to return size_t to match the declaration.
5105 2006-03-10 DJ Delorie <dj@redhat.com>
5107 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5108 start at zero.
5109 (m32c_expand_insv): Fix test for an AND mask.
5111 2006-03-10 Richard Guenther <rguenther@suse.de>
5113 PR middle-end/26565
5114 * builtins.c (get_pointer_alignment): Handle component
5115 references for field alignment.
5117 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5119 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5120 when building with libgloss.
5121 (sh*elf): Implement --without-fp option.
5122 (sh64-superh-linux*): Don't multilib.
5124 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5126 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5128 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5130 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5131 Set it when one of the replacement functions returned true.
5132 Return TODO_cleanup_cfg if cfgchanged is true.
5133 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5135 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5137 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5138 instead of gen_lowpart.
5140 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5142 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5143 interface.
5144 (mips_output_order_conditional_branch): Declare.
5145 * config/mips/mips.h (MIPS_BRANCH): New macro.
5146 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5147 for the comparison. Use gen_condjump.
5148 (mips_output_conditional_branch): Rework interface to take the
5149 asm templates for a direct branch and the inverse of a direct branch.
5150 (mips_output_order_conditional_branch): New function.
5151 (mips_builtin_branch_and_move): New function.
5152 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5153 branch condition. Use gen_single_cc as the condition for
5154 __builtin_mips_upper_* or __builtin_mips_lower_*.
5155 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5156 Use VOIDmode for the branch condition.
5157 * config/mips/predicates.md (order_operator): New predicate.
5158 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5159 (branch_fp): Rename to...
5160 (*branch_fp): ...this. Remove mode from comparison operator.
5161 Use new mips_output_conditional_branch interface.
5162 (branch_fp_inverted): Rename to...
5163 (*branch_fp_inverted): ...this and update as for *branch_fp.
5164 (*branch_zero<mode>): Rename to...
5165 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5166 Use mips_output_order_conditional_branch. Only accept ordered
5167 comparisons.
5168 (*branch_zero<mode>_inverted): Rename to...
5169 (*branch_order<mode>_inverted): ...this and update as for
5170 *branch_order<mode>.
5171 (*branch_equality<mode>): Accept zero as the second operand to
5172 the equality operator. Use the new mips_output_conditional_branch
5173 interface.
5174 (*branch_equality<mode>_inverted): Likewise.
5175 (condjump): New expander.
5176 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5177 operator.
5178 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5179 (bc1any2t, bc1any2f): Likewise.
5180 (single_cc): New expander.
5181 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5183 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5185 * doc/md.texi: Update documentation of MIPS constraints.
5186 * config/mips/constraints.md: New file.
5187 * config/mips/mips.md: Include it.
5188 * config/mips/mips.c (mips_char_to_class): Delete.
5189 (override_options): Don't initialize mips_char_to_class.
5190 * config/mips/mips.h (mips_char_to_class): Delete.
5191 (REG_CLASS_FROM_LETTER): Delete.
5192 (CONST_OK_FOR_LETTER_P): Delete.
5193 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5194 (EXTRA_CONSTRAINT_Y): Delete.
5195 (EXTRA_CONSTRAINT_STR): Delete.
5196 (CONSTRAINT_LEN): Delete.
5197 (EXTRA_MEMORY_CONSTRAINT): Delete.
5199 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5201 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5202 original fn's eh regions.
5204 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5206 * fold-const.c (build_range_check): Make sure to use a valid type to
5207 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5208 transformation.
5210 (range_predecessor): New static function.
5211 (range_successor): Likewise.
5212 (merge_ranges): Use them to compute predecessors and successors of
5213 range bounds.
5215 2006-03-09 Roger Sayle <roger@eyesopen.com>
5217 PR middle-end/26561
5218 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5219 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5221 2006-03-08 DJ Delorie <dj@redhat.com>
5223 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5224 (addpsi3): Expand to include memory operands. Remove
5225 reload-specific splits.
5226 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5227 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5228 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5229 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5230 (shift1_qi, shift1_hi, insv): New.
5231 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5232 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5233 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5234 cond_to_int): New.
5235 * config/m32c/m32c-protos.h: Update as needed.
5236 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5237 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5238 Fail for unrecognized R* constraints.
5239 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5240 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5241 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5242 Add Sp constraint.
5243 (m32c_init_libfuncs): New.
5244 (m32c_legitimate_address_p): Add debug wrapper.
5245 (m32c_rtx_costs): New.
5246 (m32c_address_cost): New.
5247 (conversions): Add 'B' prefix.
5248 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5249 operands, or word regnames for QI operands. 'B' prints bit
5250 position.
5251 (m32c_expand_setmemhi): New.
5252 (m32c_expand_movmemhi): New.
5253 (m32c_expand_movstr): New.
5254 (m32c_expand_cmpstr): New.
5255 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5256 (m32c_expand_neg_mulpsi3): Handle non-ints.
5257 (m32c_cmp_flg_0): New.
5258 (m32c_expand_movcc): New.
5259 (m32c_expand_insv): New.
5260 (m32c_scc_pattern): New.
5261 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5262 a0/a1 out of SIregs.
5263 (STORE_FLAG_VALUE): New.
5264 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5265 code macros.
5266 (no_insn): New.
5267 * config/m32c/mov.md: Make constraints more liberal.
5268 (zero_extendqihi2): Optimize r0/r1 case.
5269 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5270 * config/m32c/predicates.md (m32c_any_operand): New.
5271 (m32c_nonimmediate_operand): New.
5272 (m32c_hl_operand): New.
5273 (m32c_r3_operand): New.
5274 (ap_operand): New.
5275 (ma_operand): New.
5276 (memsym_operand): New.
5277 (memimmed_operand): New.
5278 (a_qi_operand): New.
5279 (m32c_eqne_operator): New.
5280 (m32c_1bit8_operand): New.
5281 (m32c_1bit16_operand): New.
5282 (m32c_1mask8_operand): New.
5283 (m32c_1mask16_operand): New.
5284 * config/m32c/blkmov.md: New file.
5285 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5287 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5289 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5290 unsigned to fix signed/unsigned comparison issue in
5291 DWARF2_FRAME_REG_OUT.
5292 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5293 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5295 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5296 of ptr into the ENABLE_CHECKING section.
5298 2006-03-08 Jeff Law <law@redhat.com>
5300 * tree-vrp.c (infer_value_range): Only count pointer uses
5301 and dereferences if -fdelete-null-pointer-checks is enabled.
5303 * tree-vrp.c (find_assert_locations): Infer value ranges for
5304 single use pointers, but do not create ASSERT_EXPRs for them.
5305 When a non-null range is inferred for a pointer, backwards
5306 propagate that range to other equivalent pointers through the
5307 use-def chain.
5309 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5311 PR bootstrap/26500
5312 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5313 language hook targets.
5314 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5315 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5316 if language hook targets were missing.
5318 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5320 * tree-ssa-opfinalize.h: Removed.
5321 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5322 dependency.
5323 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5324 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5325 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5326 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5327 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5328 finalize_ssa_v_must_def_ops): New.
5330 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5332 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5333 block as parameter.
5335 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5337 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5339 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5340 addresses with offsets; reorganize.
5342 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5343 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5344 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5346 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5348 PR target/26588
5349 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5351 2006-03-08 Ben Elliston <bje@au.ibm.com>
5353 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5355 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5357 PR gomp/26238
5358 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5359 expansion.
5361 2006-03-07 Richard Guenther <rguenther@suse.de>
5363 PR tree-optimization/26587
5364 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5366 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5368 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5370 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5372 * hooks.c (hook_bool_mode_rtx_true): New function.
5373 * hooks.h (hook_bool_mode_rtx_true): Declare.
5374 * toplev.c (compile_file): Call output_shared_constant_pool.
5375 * varasm.c (shared_constant_pool): New variable.
5376 (assemble_start_function, assemble_end_function): Remove arguments
5377 from call to output_constant_pool.
5378 (create_constant_pool): New function, split out from...
5379 (init_varasm_status): ...here.
5380 (force_const_mem): Choose between the shared and per-function constant
5381 pools. Set current_function_uses_const_pool when reusing old entries
5382 as well as when creating new ones.
5383 (mark_constant): Ignore data argument.
5384 (mark_constants): Remove pool argument.
5385 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5386 to decide whether the function uses a constant pool.
5387 (output_constant_pool_contents): New function, split out from...
5388 (output_constant_pool): ...here.
5389 (output_shared_constant_pool): New function.
5390 (init_varasm_once): Initialize shared_constant_pool.
5391 * output.h (output_constant_pool): Delete.
5392 (output_shared_constant_pool): Declare.
5393 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5394 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5396 2006-03-06 Nick Clifton <nickc@redhat.com>
5398 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5399 flag_strength_reduce.
5401 2006-03-06 Ben Elliston <bje@au.ibm.com>
5403 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5404 x86_64-*-linux* configurations.
5406 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5407 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5409 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5411 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5412 Remove.
5413 * basic-block.h: Remove the extern for
5414 rediscover_loops_after_threading.
5416 * cfgloop.c (cancel_loop): Make it static.
5417 * cfgloop.h: Remove the prototype for cancel_loop.
5419 * flow.c (recompute_reg_usage): Make it static.
5420 * rtl.h: Remove the prototype for recompute_reg_usage.
5422 * function.c (use_return_register): Make it static.
5423 * function.h: Remove the prototype.
5425 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5427 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5428 Remove.
5429 * recog.h: Remove the prototype for
5430 validate_change_maybe_volatile.
5432 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5434 * rtlanal.c (replace_reg): Remove.
5435 * rtl.h: Remove the prototype for replace_reg.
5437 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5439 * regclass.c (reg_scan_update): Remove.
5440 (reg_scan_mark_refs): Remove the last argument.
5441 * rtl.h: Remove the prototype for reg_scan_update.
5443 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5445 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5446 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5447 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5448 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5449 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5450 loop-invariant.c, omp-low.c, opts.c, passes.c,
5451 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5452 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5453 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5454 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5455 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5456 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5458 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5460 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5461 * dwarf2out.h: Remove the prototype for
5462 dwarf2out_add_library_unit_info.
5464 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5466 * tree.c (add_var_to_bind_expr): Remove.
5467 * tree.h: Remove the prototype for add_var_to_bind_expr.
5469 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5471 * regclass.c (n_non_fixed_regs): Remove.
5472 (init_reg_sets_1, globalize_reg): Remove all uses of
5473 n_non_fixed_regs.
5474 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5476 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5478 * rtlanal.c (insns_safe_to_move_p): Remove.
5479 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5481 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5483 * expmed.c (expand_mult_add): Remove.
5484 * expr.h: Remove the prototype for expand_mult_add.
5486 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5488 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5489 and REG_SAVED_VAL_EXP constants.
5490 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5491 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5492 Handle regs stored by value.
5493 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5494 (execute_cfa_program): Handle DW_CFA_val_offset,
5495 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5496 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5497 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5498 (uw_install_context_1): Handle target regs stored by value.
5500 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5502 * tree-sra.c (tree_sra): Return todoflags;
5503 (generate_one_element): Set TODO_update_smt_usage if needed.
5504 (pass_sra): Remove TODO_update_smt_usage.
5505 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5506 parameter.
5507 (tree_ssa_forward_propagate_single_use_vars): Return
5508 TODO_update_smt_usage if we need to update SMT usage.
5509 (pass_forwprop): Remove TODO_update_smt_usage.
5511 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5513 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5514 (correct_use_link): Remove reference to get_stmt_operands.
5515 (update_stmt_operands): Likewise.
5516 (get_modify_expr_operands): New function factored out of
5517 parse_ssa_operands and get_expr_operands.
5518 Try to create V_MUST_DEFs for LHS by default.
5519 (get_expr_operands) <case MODIFY_EXPR>: Call
5520 get_modify_expr_operands.
5521 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5522 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5523 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5524 get_modify_expr_operands.
5526 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5528 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5529 * tree-flow.h: Remove the prototype for
5530 referenced_var_lookup_if_exists.
5532 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5534 PR rtl-optimization/26345
5535 PR target/19061
5536 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5538 2006-03-03 Roger Sayle <roger@eyesopen.com>
5540 PR tree-optimization/26524
5541 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5542 fold_convert to create a constant of the appropriate type.
5544 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5546 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5547 SYMBOL_REF_IN_BLOCK_P.
5548 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5549 of SYMBOL_FLAG_IN_BLOCK.
5550 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5551 instead of SYMBOL_REF_IN_BLOCK_P.
5552 * explow.c (use_anchored_address): Likewise.
5553 * rtl.c (rtx_size): Likewise.
5554 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5555 instead of SYMBOL_FLAG_IN_BLOCK.
5556 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5557 SYMBOL_REF_IN_BLOCK_P.
5558 (assemble_variable): Likewise.
5559 (output_constant_def_contents): Likewise.
5560 (output_constant_pool): Likewise.
5561 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5562 instead of SYMBOL_FLAG_IN_BLOCK.
5563 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5564 SYMBOL_REF_IN_BLOCK_P.
5565 (SYMBOL_REF_BLOCK): Likewise.
5566 (SYMBOL_REF_OFFSET): Likewise.
5567 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5568 SYMBOL_REF_IN_BLOCK_P.
5569 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5570 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5571 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5572 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5574 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5576 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5578 2006-03-02 Roger Sayle <roger@eyesopen.com>
5580 * simplify-rtx.c (simplify_unary_operation): When simplifying
5581 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5582 that we perform the right shift in the appropriate mode, and
5583 then extend or truncate the result to requested mode.
5585 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5587 * gengtype.c (main): Handle double_int type.
5588 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5589 * double-int.c: New file.
5590 * double-int.h: New file.
5591 * system.h: Include doubleint.h.
5592 * Makefile.in (SYSTEM_H): Include double-int.h.
5593 (double-int.o): Add.
5595 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5597 PR bootstrap/26478
5598 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5599 copying over it.
5601 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5603 * tree-vrp.c (remove_range_assertions): Do not update statements
5604 unnecessarily.
5606 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5608 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5609 cleanup.
5610 * gcse.c (rest_of_handle_gcse): Ditto.
5611 * except.c (gate_handle_eh): Ditto.
5612 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5613 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5615 2006-03-02 Eric Christopher <echristo@apple.com>
5617 * config/i386/i386.c (machopic_output_stub): Add indirection to
5618 jump.
5620 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5622 * loop.c: Removed.
5624 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5626 Sun Niagara specific optimizations.
5627 * config.gcc: Recognize niagara as target.
5628 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5629 (TARGET_CPU_niagara): Define.
5630 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5631 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5632 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5633 (ASM_CPU_SPEC): Likewise.
5634 (PROCESSOR_NIAGARA): New enum entry.
5635 (REGISTER_MOVE_COST): Handle Niagara.
5636 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5637 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5638 (sparc_override_options): Recognize "niagara", set appropriate
5639 default MASK_* values for it, and align functions to 32-bytes
5640 by default just like ULTRASPARC/ULTRASPARC3.
5641 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5642 (sparc64_initialize_trampoline): Likewise.
5643 (sparc_use_sched_lookahead): Use zero for niagara.
5644 (sparc_issue_rate): Use one for niagara.
5645 * config/sparc/niagara.md: New file.
5646 * config/sparc/sparc.md: Include it.
5647 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5648 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5649 when default cpu is niagara.
5650 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5651 (ASM_CPU_SPEC): Likewise.
5652 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5653 when default cpu is niagara.
5654 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5655 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5656 just like v9/ultrasparc/ultrasparc3.
5657 * doc/invoke.texi: Add documentation for "niagara" and improve
5658 existing documentation for ultrasparc variants.
5660 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5662 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5664 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5666 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5667 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5668 and say that only one is needed.
5669 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5670 * target.h (have_switchable_bss_sections): New hook.
5671 * explow.c (use_anchored_address): Check that the symbol is in a block.
5672 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5673 (bss_noswitch_section): New variables.
5674 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5675 (get_noswitch_section): New function.
5676 (get_block_for_section): Allow SECT to be null.
5677 (unlikely_text_section_p): Use SECTION_STYLE.
5678 (bss_initializer_p): New function.
5679 (get_variable_section): Move earlier in file. Take a new argument,
5680 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5681 Return one of the new *_sections in such cases.
5682 (get_block_for_decl): New function, extracting some logic from
5683 use_blocks_for_decl_p.
5684 (change_symbol_section): Remove in favor of...
5685 (change_symbol_block): ...this new function.
5686 (use_blocks_for_decl_p): Remove checks now performed by
5687 get_block_for_decl.
5688 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5689 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5690 (emit_local, emit_bss, emit_common): ...these new functions.
5691 Return true if the alignment was honored.
5692 (emit_tls_common): New function.
5693 (asm_emit_uninitialised): Delete.
5694 (assemble_variable_noswitch): New function, split out from...
5695 (assemble_variable): ...here. Don't make decisions about common
5696 variables here. Globalize all public decls that go into non-common
5697 sections. Check whether SYMBOL_REF_BLOCK is null.
5698 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5699 (output_constant_pool): Likewise.
5700 (init_varasm_once): Initialize the new section variables.
5701 (have_global_bss_p): New function.
5702 (categorize_decl_for_section): Use bss_initializer_p.
5703 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5704 (place_block_symbol): Assert that the symbol must be in a block.
5705 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5706 (TARGET_INITIALIZER): Include it.
5707 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5708 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5709 (SECTION_MACH_DEP): Bump by two.
5710 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5711 (unnamed_section): Mention SECTION_UNNAMED in comment.
5712 (named_section): Likewise SECTION_NAMED.
5713 (noswitch_section_callback): New type.
5714 (noswitch_section): New structure.
5715 (section): Add a noswitch_section alternative.
5716 (SECTION_STYLE): New macro.
5717 (tls_comm_section, comm_section, lcomm_section): Declare.
5718 (bss_noswitch_section, have_global_bss_p): Declare.
5719 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5720 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5721 Override.
5722 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5723 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5724 Override.
5726 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5728 * tree-vrp.c (execute_vrp): Return value.
5729 * regrename.c (rest_of_handle_regrename): Ditto.
5730 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5731 * tree-complex.c (tree_lower_complex): Ditto.
5732 (tree_lower_complex_O0): Ditto.
5733 * tracer.c (rest_of_handle_tracer): Ditto.
5734 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5735 * postreload.c (rest_of_handle_postreload): Ditto.
5736 * tree-tailcall.c (execute_tail_recursion): Ditto.
5737 (execute_tail_calls): Ditto.
5738 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5739 * tree.h (init_function_for_compilation): Ditto.
5740 * ipa-cp.c (ipcp_driver): Ditto.
5741 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5742 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5743 * final.c (compute_alignments): Ditto.
5744 (rest_of_handle_final): Ditto.
5745 (rest_of_handle_shorten_branches): Ditto.
5746 (rest_of_clean_state): Ditto.
5747 * omp-low.c (execute_expand_omp): Ditto.
5748 (execute_lower_omp): Ditto.
5749 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5750 * ipa-reference.c (static_execute): Ditto.
5751 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5752 * reorg.c (rest_of_handle_delay_slots): Ditto.
5753 (rest_of_handle_machine_reorg): Ditto.
5754 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5755 * flow.c (recompute_reg_usage): Ditto.
5756 (rest_of_handle_remove_death_notes): Ditto.
5757 (rest_of_handle_life): Ditto.
5758 (rest_of_handle_flow2): Ditto.
5759 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5760 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5761 (do_ssa_store_ccp): Ditto.
5762 (execute_fold_all_builtins): Ditto.
5763 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5764 * modulo-sched.c (rest_of_handle_sms): Ditto.
5765 * ipa-pure-const.c (static_execute): Ditto.
5766 * cse.c (rest_of_handle_cse): Ditto.
5767 (rest_of_handle_cse2): Ditto.
5768 * web.c (rest_of_handle_web): Ditto.
5769 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5770 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5771 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5772 * tree-nrv.c (tree_nrv): Ditto.
5773 (execute_return_slot_opt): Ditto.
5774 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5775 (create_structure_vars): Ditto.
5776 * loop-init.c (rtl_loop_init): Ditto.
5777 (rtl_loop_done): Ditto.
5778 (rtl_move_loop_invariants): Ditto.
5779 (rtl_unswitch): Ditto.
5780 (rtl_unroll_and_peel_loops): Ditto.
5781 (rtl_doloop): Ditto.
5782 * gimple-low.c (lower_function_body): Ditto.
5783 (mark_used_blocks): Ditto.
5784 * tree-ssa-sink.c (execute_sink_code): Ditto.
5785 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5786 (cgraph_early_inlining): Ditto.
5787 * global.c (rest_of_handle_global_alloc): Ditto.
5788 * jump.c (cleanup_barriers): Ditto.
5789 (purge_line_number_notes): Ditto.
5790 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5791 (rest_of_handle_if_after_reload): Ditto.
5792 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5793 (tree_ssa_loop_im): Ditto.
5794 (tree_ssa_loop_unswitch): Ditto.
5795 (tree_vectorize): Ditto.
5796 (tree_linear_transform): Ditto.
5797 (tree_ssa_loop_ivcanon): Ditto.
5798 (tree_ssa_empty_loop): Ditto.
5799 (tree_ssa_loop_bounds): Ditto.
5800 (tree_complete_unroll): Ditto.
5801 (tree_ssa_loop_prefetch): Ditto.
5802 (tree_ssa_loop_ivopts): Ditto.
5803 (tree_ssa_loop_done): Ditto.
5804 * predict.c (tree_estimate_probability): Ditto.
5805 * recog.c (split_all_insns_noflow): Ditto.
5806 (rest_of_handle_peephole2): Ditto.
5807 (rest_of_handle_split_all_insns): Ditto.
5808 * tree-eh.c (lower_eh_constructs): Ditto.
5809 * regmove.c (rest_of_handle_regmove): Ditto.
5810 (rest_of_handle_stack_adjustments): Ditto.
5811 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5812 * function.c (instantiate_virtual_regs): Ditto.
5813 (init_function_for_compilation): Ditto.
5814 (rest_of_handle_check_leaf_regs): Ditto.
5815 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5816 (rest_of_handle_gcse): Ditto.
5817 * ipa-type-escape.c (type_escape_execute): Ditto.
5818 * alias.c (rest_of_handle_cfg): Ditto.
5819 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5820 * profile.c (rest_of_handle_branch_prob): Ditto.
5821 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5822 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5823 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5824 * tree-dfa.c (find_referenced_vars): Ditto.
5825 * except.c (set_nothrow_function_flags): Ditto.
5826 (convert_to_eh_region_ranges): Ditto.
5827 (rest_of_handle_eh): Ditto.
5828 * emit-rtl.c (unshare_all_rtl): Ditto.
5829 (remove_unnecessary_notes): Ditto.
5830 * except.h (set_nothrow_function_flags): Ditto.
5831 (convert_to_eh_region_ranges): Ditto.
5832 * cfgexpand.c (tree_expand_cfg): Ditto.
5833 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5834 * tree-ssa-pre.c (do_pre): Ditto.
5835 (execute_fre): Ditto.
5836 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5837 (rest_of_handle_jump2): Ditto.
5838 * tree-sra.c (tree_sra): Ditto.
5839 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5840 (execute_mudflap_function_decls): Ditto.
5841 * tree-ssa-copy.c (do_copy_prop): Ditto.
5842 (do_store_copy_prop): Ditto.
5843 * ipa-prop.h (ipcp_driver): Ditto.
5844 * cfglayout.c (insn_locators_initialize): Ditto.
5845 * tree-ssa-forwprop.c
5846 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5847 * cfglayout.h (insn_locators_initialize): Ditto.
5848 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5849 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5850 (execute_late_warn_uninitialized): Ditto.
5851 * rtl.h (cleanup_barriers): Ditto.
5852 (split_all_insns_noflow): Ditto.
5853 (purge_line_number_notes): Ditto.
5854 (unshare_all_rtl): Ditto.
5855 (remove_unnecessary_notes): Ditto.
5856 (recompute_reg_usage): Ditto.
5857 (variable_tracking_main): Ditto.
5858 * integrate.c (emit_initial_value_sets): Ditto.
5859 * integrate.h (emit_initial_value_sets): Ditto.
5860 * tree-optimize.c (execute_free_datastructures): Ditto
5861 (execute_free_cfg_annotations): Ditto.
5862 (execute_fixup_cfg): Ditto.
5863 (execute_cleanup_cfg_pre_ipa): Ditto.
5864 (execute_cleanup_cfg_post_optimizing): Ditto.
5865 (execute_init_datastructures): Ditto.
5866 * tree-object-size.c (compute_object_sizes): Ditto.
5867 * combine.c (rest_of_handle_combine): Ditto.
5868 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5869 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5870 (rest_of_handle_reorder_blocks): Ditto.
5871 (rest_of_handle_partition_blocks): Ditto.
5872 * var-tracking.c (variable_tracking_main): Ditto.
5873 * tree-profile.c (tree_profiling): Ditto.
5874 * tree-vect-generic.c (expand_vector_operations): Ditto.
5875 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5876 * sched-rgn.c (rest_of_handle_sched): Ditto.
5877 (rest_of_handle_sched2): Ditto.
5878 * basic-block.h (free_bb_insn): Ditto.
5879 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5880 * tree-cfg.c (execute_build_cfg): Ditto.
5881 (remove_useless_stmts): Ditto.
5882 (split_critical_edges): Ditto.
5883 (execute_warn_function_return): Ditto.
5884 (execute_warn_function_noreturn): Ditto.
5885 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5886 * cfgrtl.c (free_bb_for_insn): Ditto.
5887 * passes.c (execute_one_pass): Run additional
5888 todos returned by execute function.
5889 * tree-pass.h (struct tree_opt_pass): Make execute
5890 return a value.
5892 2006-03-02 Richard Guenther <rguenther@suse.de>
5894 * tree-ssa-alias.c (find_used_portions): Consider taking
5895 the address as making the variable not write-only.
5897 2006-03-02 Nick Clifton <nickc@redhat.com>
5899 * config.gcc (default_use_cxa_atexit): Extend the description of
5900 this configure variable. Set its default value to "yes" for
5901 Linux, NetBSD and ELF targets on the assumption that they will
5902 use C libraries with the __cxa_atexit function.
5904 2006-03-02 Ben Elliston <bje@au.ibm.com>
5906 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5907 parameter as unused to suppress a build warning.
5909 2006-03-02 Ben Elliston <bje@au.ibm.com>
5911 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5912 config/dfp-bit.c.
5914 2006-03-01 Roger Sayle <roger@eyesopen.com>
5916 PR other/26489
5917 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5918 declared name, the weak reference name, and the typeof name.
5919 (__gthrw): Avoid expanding the declared name suffix.
5920 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5922 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5924 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5925 from DWARF 3.
5926 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5927 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5928 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5929 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5930 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5931 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5932 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5933 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5934 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5935 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5936 (DW_END_default, DW_END_big, DW_END_little): New.
5937 (DW_END_lo_user, DW_END_hi_user): Define.
5938 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5939 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5940 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5941 DW_LANG_D): New.
5943 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5945 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5946 Update all users.
5947 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5948 Update all users.
5949 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5950 Update all users.
5951 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5952 Update all users.
5953 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5954 to 'symbol_mem_tag'.
5955 Update all users.
5956 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5957 rename.
5959 2006-03-01 Roger Sayle <roger@eyesopen.com>
5961 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5963 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5965 PR target/25761
5966 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5967 MACHO_DYNAMIC_NO_PIC_P.
5968 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5970 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5972 PR target/26389
5973 * config/darwin-protos.h (darwin_asm_output_anchor):
5974 Declare.
5975 * config/darwin-sections.def (cstring_section):
5976 Add SECTION_MERGE to the flags.
5977 (literal4_section): Likewise.
5978 (literal8_section): Likewise.
5979 (objc_selector_refs_section): Likewise.
5980 (objc_cls_refs_section): Likewise.
5981 * config/darwin.c (darwin_asm_output_anchor): New
5982 function.
5983 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5985 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5987 Fix PR tree-optimization/26443
5988 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5989 to todo and PROP_tmt_usage to properties_destroyed.
5990 * tree-ssa-ccp.c (pass_ccp): Ditto.
5991 (pass_store_ccp): Ditto.
5992 * tree-ssa-dom.c (pass_dominator): Ditto.
5994 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5996 * tree-ssa-operands.c: Cleanup whitespace.
5997 (get_asm_expr_operands): Move before first invocation.
5998 (get_indirect_ref_operands): Likewise.
5999 (get_tmr_operands): Likewise.
6000 (get_call_expr_operands): Likewise.
6001 (append_def): Likewise.
6002 (append_use): Likewise.
6003 (append_v_may_def): Likewise.
6004 (append_v_must_def): Likewise.
6005 (add_call_clobber_ops): Likewise.
6006 (add_call_read_ops): Likewise.
6007 (add_stmt_operand): Likewise.
6008 (add_virtual_operand): Likewise.
6009 (build_ssa_operands): Likewise.
6011 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6013 PR middle-end/26022
6014 Revert:
6015 PR middle-end/24437
6016 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6017 with a call expr to ...
6018 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6020 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6022 * tree-vrp.c (extract_range_from_assert): Remove special
6023 handling for types with super-types.
6025 2006-03-01 Ben Elliston <bje@au.ibm.com>
6027 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6028 and powerpc64-*-linux* configurations.
6029 * config/t-dfprules: New file.
6031 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6032 Compile dfp-bit.c from the source directory using -DWIDTH and
6033 $DFP_CFLAGS to control the compilation of that file, rather than
6034 generating width-specific versions in the build directory.
6035 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6036 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6038 2006-02-28 Zack Weinberg <zackw@panix.com>
6040 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6041 continues to work.
6043 2006-02-28 Eric Christopher <echristo@apple.com>
6045 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6046 Set up IN_LIBGCC definition of TARGET_64BIT.
6047 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6049 2006-02-28 Roger Sayle <roger@eyesopen.com>
6051 PR middle-end/14752
6052 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6053 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6054 cases via the construction of "expr != 0".
6056 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6058 * alias.c (alias_invariant, alias_invariant_size): Remove.
6059 (record_base_value): Remove.
6060 (memrefs_conflict_p): Don't look at alias_invariant.
6061 (end_alias_analysis): Don't free it.
6062 * alias.h (record_base_value): Remove prototype.
6064 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6065 Adam Nemet <anemet@caviumnetworks.com>
6067 * rtl.h (truncated_to_mode): Declare it.
6068 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6069 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6070 (RTL_HOOKS_INITIALIZER): Include it.
6071 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6072 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6073 reg_truncated_to_mode.
6074 * rtlanal.c (truncated_to_mode): Define it.
6075 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6077 2006-02-28 Jeff Law <law@redhat.com>
6079 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6080 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6081 the range allowed by TYPE_PRECISION.
6083 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6085 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6087 PR tree-optimization/26419
6088 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6089 values of n.
6091 2006-02-27 Zack Weinberg <zackw@panix.com>
6093 * doc/md.texi: Fix typo in previous change.
6095 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6097 * df.c: Remove.
6099 2006-02-27 Zack Weinberg <zackw@panix.com>
6101 * rtl.def (define_constraint, define_register_constraint)
6102 (define_memory_constraint, define_address_constraint): New MD forms.
6103 * gensupport.c (process_rtx): Put define_constraint etc on the
6104 predicate queue.
6105 * genpreds.c (process_define_predicate): Adjust comment. Validate
6106 the name, and call validate_exp to validate the expression.
6107 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6108 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6109 all callers changed.
6110 (validate_exp, needs_variable, struct constraint_data)
6111 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6112 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6113 (const_dbl_constraints, constraint_max_namelen)
6114 (have_register_constraints, have_memory_constraints)
6115 (have_address_constraints, have_address_constraints)
6116 (have_extra_constraints, have_const_int_constraints)
6117 (have_const_dbl_constraints, mangle, add_constraint)
6118 (process_define_constraint, process_define_register_constraint)
6119 (write_enum_constraint_num, write_lookup_constraint)
6120 (write_insn_constraint_len, write_regclass_for_constraint)
6121 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6122 (write_insn_extra_memory_constraint)
6123 (write_insn_extra_address_constraint)
6124 (write_satisfies_constraint_fns): New.
6125 (write_tm_preds_h): If we have new-style constraint definitions,
6126 prototype the functions generated from them, and define the
6127 old constraint interface (still used by generic code) in terms of
6128 those functions.
6129 (write_insn_preds_c): If we have new-style constraint definitions,
6130 generate all relevant functions from those definitions.
6131 (main): Handle define_constraint etc.
6132 * genoutput.c (struct constraint_data, indep_constraints)
6133 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6134 (mdep_constraint_len): New data structures and functions, defined
6135 #ifdef USE_MD_CONSTRAINTS.
6136 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6137 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6138 use new logic to validate operand constraints against constraint
6139 definitions.
6140 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6141 defined.
6142 * defaults.h: If none of the old-style constraint macros are
6143 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6144 old-style macros; and poison REG_CLASS_FROM_LETTER,
6145 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6146 EXTRA_CONSTRAINT.
6147 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6148 * doc/md.texi: Document new constraint-definition mechanism and the
6149 C interface it provides. Remove references to old mechanism
6150 elsewhere in the document.
6151 (Machine Constraints): Use pathnames relative to gcc directory,
6152 i.e. config/ARCH/FILE. Change i386 section to refer to
6153 config/i386/predicates.md; update that section to match docstrings.
6154 * doc/tm.texi: Move all documentation of the old constraint-
6155 definition macros to their own section, clearly mark as obsolete.
6157 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6158 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6159 definitions.
6160 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6161 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6162 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6163 constraint strings.
6164 (splits and peepholes): Use satisfies_constraint_*.
6165 * config/i386/i386.c (memory_address_length)
6166 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6168 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6170 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6171 scalar operation to be put back into the loop.
6173 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6175 PR other/26208
6176 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6177 (extract_cie_info): Handle S flag in augmentation string.
6178 (execute_cfa_program): If context->signal_frame, execute also
6179 fs->pc == context->ra instructions.
6180 (uw_frame_state_for): If context->signal_frame, don't subtract one
6181 from context->ra to find FDE.
6182 (uw_update_context_1): Set context->signal_frame to
6183 fs->signal_frame.
6184 (_Unwind_GetIPInfo): New function.
6185 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6186 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6187 of _Unwind_GetIP.
6188 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6189 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6190 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6191 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6192 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6193 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6194 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6195 x86_64_fallback_frame_state): Set fs->signal_frame.
6196 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6197 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6198 (frob_update_context): Likewise. Workaround missing S flag in
6199 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6200 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6201 Remove the psw_addr + 1 hack.
6203 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6205 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6206 with aggregates here.
6207 (find_func_aliases): Remove code for &<aggregate> from here.
6209 2006-02-26 Roger Sayle <roger@eyesopen.com>
6211 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6212 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6213 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6214 as (X & C) ne/eq 0.
6216 2006-02-26 Roger Sayle <roger@eyesopen.com>
6218 PR middle-end/19983
6219 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6221 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6223 * opts.c (decode_options): Do not handle flag_strength_reduce.
6224 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6225 and OPT_fstrength_reduce.
6226 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6227 flag_prefetch_loop_arrays for being nonzero.
6228 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6229 no-ops.
6230 (fprefetch-loop-arrays-rtl): Removed.
6231 (flag_prefetch_loop_arrays): Do not specify the value.
6233 * doc/passes.texi: Update documentation of loop optimizer
6234 passes.
6235 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6236 -frerun-loop-opt): Remove.
6238 2006-02-26 Richard Guenther <rguenther@suse.de>
6240 PR tree-optimization/26421
6241 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6242 in function calls that are ADDR_EXPRs as using the whole structure.
6244 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6246 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6247 * tree-pass.h (pass_loop_optimize): Remove.
6248 * passes.c (pass_loop_optimize): Never run it.
6249 * toplev.c (backend_init): Don't call init_loop.
6250 * opts.c (flag_loop_optimize_set): Remove.
6251 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6252 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6253 the old RTL loop optimizer when profiling enabled.
6254 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6255 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6256 pre-headers for the sake of the old RTL loop optimizer.
6257 * Makefile.in: Remove all references to loop.o.
6259 * doc/invoke.texi: Remove all references to -floop-optimize
6260 and -frerun-loop-opt.
6262 2006-02-26 Zack Weinberg <zackw@panix.com>
6264 * doc/md.texi (Machine Constraints): Refer to all files with paths
6265 relative to gcc directory (i.e. config/CPU/file). Add missing
6266 @table @code ... @end table to M32C subsection.
6268 2006-02-26 Roger Sayle <roger@eyesopen.com>
6270 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6271 (X & 1) == 0.
6272 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6274 2006-02-26 Roger Sayle <roger@eyesopen.com>
6275 James A. Morrison <phython@gcc.gnu.org>
6277 PR middle-end/21137
6278 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6279 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6280 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6281 signedness of the shift operation.
6283 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6285 PR tree-optimization/26359
6286 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6288 2006-02-25 Roger Sayle <roger@eyesopen.com>
6290 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6291 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6292 as X == 0, and some symmetry related transformations.
6293 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6295 2006-02-25 Roger Sayle <roger@eyesopen.com>
6297 PR middle-end/23673
6298 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6299 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6300 symmetry related transformations. Fold (X^C1) == C2 as
6301 X == (C1^C2).
6303 2006-02-25 Juergen Weigert <jw@suse.de>
6304 Richard Guenther <rguenther@suse.de>
6306 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6308 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6310 * combine.c (gen_lowpart_or_truncate): Call
6311 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6313 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6315 * doc/invoke.texi: Move -fopenmp description to "Options for
6316 Code Generation".
6317 Remove reference to -lgomp.
6319 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6321 * doc/install.texi: Require GNU tar version 1.14.
6323 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6325 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6326 * doc/invoke.texi (C++ Dialect Options): Document
6327 -fno-use-cxa-get-exception-ptr.
6328 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6329 * configure: Regenerate.
6330 * c.opt (fuse-cxa-get-exception-ptr): New.
6331 * c-opts.c (c_common_handle_option): Handle
6332 OPT_fuse_cxa_get_exception_ptr.
6333 * c-common.c (flag_use_cxa_atexit): Update documentation.
6334 (flag_use_cxa_get_exception_ptr): New.
6335 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6336 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6337 documentation.
6338 (C_COMMON_OVERRIDE_OPTIONS): New.
6340 2006-02-24 Roger Sayle <roger@eyesopen.com>
6342 PR middle-end/24952
6343 * combine.c (try_combine): Explicitly check whether GET_CODE is
6344 a SET or a CLOBBER, instead on checking that it isn't a USE.
6346 2006-02-24 Roger Sayle <roger@eyesopen.com>
6348 * fold-const.c (fold_comparison): New subroutine of fold_binary
6349 containing transformations common to both the equality and
6350 ordering relational operators, factored out of fold_binary.
6351 (fold_binary): Separate out the equality operators (EQ_EXPR
6352 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6353 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6354 transformations common to both.
6355 (fold_div_compare): Fix latent bugs in the previously unreachable
6356 LT_EXPR and GE_EXPR cases.
6358 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6360 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6361 decl libname for clog to __clog on AIX.
6363 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6365 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6367 PR target/26453
6368 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6369 output traceback table for thunks. Localise rs6000_stack_info call.
6371 2006-02-23 Roger Sayle <roger@eyesopen.com>
6372 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6374 * gthr-posix.h (__gthrw): Fix typo in comment.
6376 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6378 * doc/cpp.texi (Character sets): Document that we do support
6379 input files to be in any character set.
6381 2006-02-23 Jeff Law <law@redhat.com>
6383 * tree.h (PHI_ARG_NONZERO): Remove.
6384 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6385 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6386 node to the new node.
6388 PR tree-optimization/26425
6389 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6390 min/max, then assume its varying.
6392 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6394 PR rtl-optimization/26316
6395 * rtlanal.c (enum may_trap_p_flags): New.
6396 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6397 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6398 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6399 (may_trap_after_code_motion_p): New function.
6400 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6401 (find_invariant_insn): Use may_trap_after_code_motion_p.
6402 * rtl.h (may_trap_after_code_motion_p): Declare.
6404 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6406 * emit-rtl.c (immed_double_const): Cleanup.
6408 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6410 Fix PR tree-optimization/26376
6411 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6412 remove assert.
6414 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6416 PR middle-end/26412
6417 * gimplify.c (omp_add_variable): Guard variable size decl test with
6418 DECL_SIZE (decl) check.
6420 2006-02-23 Richard Guenther <rguenther@suse.de>
6422 PR middle-end/26439
6423 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6424 like aggregate types.
6426 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6428 * configure.ac: Add --with{,out}-long-double-128 configure option.
6429 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6430 * configure: Rebuilt.
6431 * config.in: Rebuilt.
6432 * doc/install.texi (Options specification): Document
6433 --with-long-double-128.
6435 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6436 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6437 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6438 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6440 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6442 * config/s390/s390.c (override_options): Handle
6443 TARGET_DEFAULT_LONG_DOUBLE_128.
6445 * config/alpha/alpha.c (override_options): Handle
6446 TARGET_DEFAULT_LONG_DOUBLE_128.
6448 * config/sparc/sparc.c (sparc_override_options): Handle
6449 TARGET_DEFAULT_LONG_DOUBLE_128.
6451 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6453 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6454 (real-install-headers-tar, real-install-headers-cpio)
6455 (real-install-headers-cp): New targets.
6457 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6459 * tree.h (variable_section): Delete.
6460 * varasm.c (variable_section): Delete.
6462 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6464 * install.texi: Add notes on install.texi2html.
6465 (Building in parallel): Do not use footnotes.
6467 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6469 PR libgomp/26234
6470 * doc/install.texi (Configuration): Document --disable-libgomp.
6472 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6474 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6476 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6478 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6479 (vec_extractv2df_0_sse): New.
6481 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6483 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6484 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6485 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6486 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6487 to the result of the expression.
6488 (def_cfa_1): Adjust.
6489 (frame_pointer_cfa_offset): Rename to...
6490 (frame_pointer_fb_offset): ... this. Adjust all uses.
6491 (convert_cfa_to_loc_list): Rename to...
6492 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6493 Pass it on to build_cfa_loc.
6494 (compute_frame_pointer_to_cfa_displacement): Rename to...
6495 (compute_frame_pointer_to_fb_displacement): ... this. New
6496 offset parameter. Use it in computation.
6497 (gen_subprogram_die): Compute cfa_fb_offset with the new
6498 macro, and use it to compute the fb loc list and the
6499 displacement.
6501 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6503 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6504 replaced with register_operand.
6505 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6506 non-DREG is expensive.
6507 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6508 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6509 involving memory.
6511 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6513 * doc/install.texi2html: Use set -e.
6515 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6517 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6518 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6519 * doc/invoke.texi (-fshared-data): Delete.
6520 * common.opt (fshared-data): Delete.
6521 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6522 (assemble_static_space): Remove #if 0 code.
6523 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6524 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6525 * config/cris/cris.h: Remove FIXME.
6527 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6529 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6530 hooks.
6532 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6534 PR middle-end/26379
6535 * combine.c (simplify_shift_const_1): Disable nested shifts
6536 optimization for vector shifts.
6538 2006-02-20 Roger Sayle <roger@eyesopen.com>
6540 PR tree-optimization/26361
6541 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6542 of unsigned integer types.
6544 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6546 * tree-chrec.c (eq_evolutions_p): New.
6547 * tree-chrec.h (eq_evolutions_p): Declared.
6548 * tree-data-ref.c: Fix formatting.
6549 (datadep_stats, dependence_stats): New.
6550 (gcd): Moved...
6551 (print_direction_vector): New.
6552 (dump_data_dependence_relation): Use print_direction_vector.
6553 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6554 (compute_subscript_distance): Static.
6555 (initialize_data_dependence_relation): Static. Get the number
6556 of loops surrounding the references from the callers, and initialize
6557 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6558 base_object_differ_p analyzers.
6559 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6560 compute_overlap_steps_for_affine_1_2,
6561 analyze_subscript_affine_affine): Count the classified dependences.
6562 Print a message when a test failed.
6563 (can_use_analyze_subscript_affine_affine): New.
6564 (analyze_siv_subscript): Compute the data dependences on symbolic
6565 scevs that verify can_use_analyze_subscript_affine_affine.
6566 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6567 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6568 Handle symbolic scevs.
6569 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6570 analyzed.
6571 (subscript_dependence_tester): Moved...
6572 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6573 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6574 DDR_SIZE_VECT instead of getting it in parameter.
6575 (subscript_dependence_tester): ... here. Take as a parameter
6576 loop_nest_depth. Call build_classic_dist_vector and
6577 build_classic_dir_vector.
6578 (compute_affine_dependence): Update subscript_dependence_tester
6579 parameters. Update datadep_stats counters. Call
6580 compute_subscript_distance.
6581 (compute_self_dependence): Save the dist and dir vectors. Call
6582 compute_subscript_distance.
6583 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6584 (compute_all_dependences): Reorder parameters as they were before
6585 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6586 compute_subscript_distance. Update the use of
6587 compute_affine_dependence and initialize_data_dependence_relation.
6588 (find_data_references_in_loop): Handle COMPONENT_REF.
6589 (compute_data_dependences_for_loop): Initialize dependence_stats.
6590 Don't call build_classic_dist_vector and build_classic_dir_vector.
6591 Update the parameters of initialize_data_dependence_relation and
6592 compute_all_dependences. Print the statistics from datadep_stats.
6593 (analyze_all_data_dependences): Static. Not used until the pass for
6594 checking the data dependences is contributed.
6595 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6596 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6597 (initialize_data_dependence_relation, compute_affine_dependence,
6598 analyze_all_data_dependences, compute_subscript_distance): Removed.
6599 (print_direction_vector): New.
6600 * lambda.h (gcd): ... here.
6601 (lambda_vector_gcd): Moved here from gcd_vector.
6602 * lambda-code.c (gcd, gcd_vector): Removed.
6603 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6604 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6606 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6608 * ipa-type-escape.c: Tidy some comments and white space.
6609 * tree-ssa-operands.c: Likewise.
6611 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6613 PR tree-opt/25879
6614 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6615 (dump_decl_name): Do not walk the decl tree chains.
6616 * tree-pass.h (TDF_CHAIN): Remove.
6618 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6620 * Makefile.in (C): Remove
6621 (PROTO): Remove
6622 (.PHONY): Remove C and PROTO
6624 2006-02-20 Roger Sayle <roger@eyesopen.com>
6626 PR middle-end/26236
6627 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6628 deprecated CHAR_TYPE tree code.
6630 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6632 * configure.ac (target_list): Add install-info, dvi, html.
6633 * configure: Regenerate.
6635 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6636 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6637 treelang/Make-lang.in: Do not use double-colon rules.
6639 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6641 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6642 (TMT_USED_ALONE): New macro.
6643 * tree-pass.h (PROP_tmt_usage): New property.
6644 (TODO_update_tmt_usage): New todo.
6645 * tree-ssa-alias.c (updating_used_alone): New variable.
6646 (recalculate_used_alone): New function.
6647 (compute_may_aliases): Set updating_used_alone, call
6648 recalculate_used_alone.
6649 * tree-sra.c (pass_sra): Note that this pass destroys
6650 PROP_tmt_usage, and add TODO_update_tmt_usage.
6651 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6652 * tree-flow.h (updating_used_alone): Prototype.
6653 (recalculate_used_alone): Ditto.
6654 * passes.c (execute_todo): Add code to set updating_used_alone,
6655 and call recalculate.
6656 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6657 for clobber if used alone, and add assert to verify used_alone
6658 status.
6660 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6662 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6663 for non tls symbols added.
6664 (legitimize_address): Do nothing for PLUS expressions if one of the
6665 addends is a tls symbol reference.
6667 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6669 PR bootstrap/25476
6671 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6673 * Makefile.in (BOOTSTRAPPING): New.
6674 (quickstrap): New definition if BOOTSTRAPPING=yes.
6676 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6677 * configure.ac: Substitute all_selected_languages with the languages
6678 that were configured. For all the other variables except
6679 lang_specs_files, include all the languages in the tree.
6680 * configure: Regenerate.
6682 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6683 if there is one. Run the commands to run fixincludes in the same
6684 subshell.
6686 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6687 * doc/install.texi: Document exact conventions for searching target tools.
6688 Document --with-build-time-tools. Document toplevel bootstrap. Document
6689 something more about building an Ada cross-compiler. Don't list GNU Make
6690 requirements which affect all platforms.
6692 2006-02-19 Roger Sayle <roger@eyesopen.com>
6694 PR middle-end/19543
6695 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6696 only equivalent if the have both the same mode and precision.
6698 2006-02-20 Ben Elliston <bje@au.ibm.com>
6700 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6702 2006-02-19 Roger Sayle <roger@eyesopen.com>
6703 Steven Bosscher <stevenb.gcc@gmail.com>
6705 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6706 constant pool references to identify stack mode constants.
6707 * rtlanal.c (constant_pool_constant_p): New predicate to check
6708 whether operand is a floating point constant in the pool.
6709 * rtl.h (constant_pool_constant_p): Prototype here.
6710 * loop.c (scan_loop): Avoid hoisting constants from the constant
6711 pool on STACK_REGS targets.
6712 (load_mems): Likewise.
6713 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6714 loads into x87 registers expensive in terms of register pressure.
6716 2006-02-19 Roger Sayle <roger@eyesopen.com>
6718 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6719 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6721 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6723 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6724 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6726 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6728 * doc/invoke.texi: Document -fipa-pta.
6729 * common.opt: Add ipa-pta option.
6730 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6731 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6732 (do_ds_constraint): Ditto.
6733 (get_constraint_for): Only add to referenced_vars if
6734 referenced_vars exists.
6735 (insert_into_field_list): Rewrite to do this unsorted.
6736 (insert_into_field_list_sorted): Rename old insert_into_field_list
6737 to this.
6738 (create_function_info_for): Use insert_into_field_list_sorted.
6739 (create_variable_info_for): Rewrite so it uses unsorted version,
6740 since the field list is sorted.
6741 (intra_create_variable_infos): Only add to referenced_vars if
6742 referenced_vars exists.
6743 (ipa_pta_execute): Init heapvars, and delete when done.
6744 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6746 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6748 * doc/install.texi: Add missing `@samp'.
6750 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6752 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6753 Use the arguments.
6755 2006-02-18 Mark Wielaard <mark@klomp.org>
6757 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6758 who added new 4.1 features, bug fixes and integration support.
6760 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6762 PR target/26350
6763 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6764 MEM for ABI_V4 pic.
6766 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6768 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6769 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6770 (copy_insn_1): Likewise. Don't copy each field individually.
6771 Reindent.
6772 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6773 of RTX_SIZE.
6774 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6775 * rtl.c (rtx_size): Rename variable to...
6776 (rtx_code_size): ...this.
6777 (rtx_size): New function.
6778 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6779 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6780 Reindent.
6781 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6782 * rtl.h (rtx_code_size): New variable.
6783 (rtx_size): Change from a variable to a function.
6784 (RTX_SIZE): Rename to...
6785 (RTX_CODE_SIZE): ...this.
6787 PR target/9703
6788 PR tree-optimization/17106
6789 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6790 (Anchored Addresses): New section.
6791 * doc/invoke.texi (-fsection-anchors): Document.
6792 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6793 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6794 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6795 * hooks.c (hook_bool_mode_rtx_false): New function.
6796 * hooks.h (hook_bool_mode_rtx_false): Declare.
6797 * gengtype.c (create_optional_field): New function.
6798 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6799 SYMBOL_REF_IN_BLOCK_P is true.
6800 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6801 (min_anchor_offset, max_anchor_offset): Likewise.
6802 (use_anchors_for_symbol_p): New hook.
6803 * toplev.c (compile_file): Call output_object_blocks.
6804 (target_supports_section_anchors_p): New function.
6805 (process_options): Check that -fsection-anchors is only used on
6806 targets that support it and when -funit-at-a-time is in effect.
6807 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6808 if the decl doesn't have one.
6809 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6810 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6811 of force_const_mem through use_anchored_address.
6812 (expand_expr_constant): New function.
6813 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6814 calling expand_expr for INDIRECT_REF.
6815 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6816 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6817 * expr.h (use_anchored_address): Declare.
6818 * loop-unroll.c: Don't declare rtx vectors here.
6819 * explow.c: Include output.h.
6820 (validize_mem): Call use_anchored_address.
6821 (use_anchored_address): New function.
6822 * common.opt (-fsection-anchors): New switch.
6823 * varasm.c (object_block_htab, anchor_labelno): New variables.
6824 (hash_section, object_block_entry_eq, object_block_entry_hash)
6825 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6826 (use_blocks_for_decl_p, change_symbol_section): New functions.
6827 (get_variable_section): New function, split out from assemble_variable.
6828 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6829 use_blocks_for_decl_p say so. Use change_symbol_section if the
6830 symbol has already been created.
6831 (assemble_variable_contents): New function, split out from...
6832 (assemble_variable): ...here. Don't output any code for
6833 block symbols; just pass them to place_block_symbol.
6834 Use get_variable_section and assemble_variable_contents.
6835 (get_constant_alignment, get_constant_section, get_constant_size): New
6836 functions, split from output_constant_def_contents.
6837 (build_constant_desc): Create a block symbol if use_object_blocks_p
6838 says so. Or into SYMBOL_REF_FLAGS.
6839 (assemble_constant_contents): New function, split from...
6840 (output_constant_def_contents): ...here. Don't output any code
6841 for block symbols; just pass them to place_section_symbol.
6842 Use get_constant_section and get_constant_alignment.
6843 (force_const_mem): Create a block symbol if use_object_blocks_p and
6844 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6845 (output_constant_pool_1): Add an explicit alignment argument.
6846 Don't switch sections here.
6847 (output_constant_pool): Adjust call to output_constant_pool_1.
6848 Switch sections here instead. Don't output anything for block symbols;
6849 just pass them to place_block_symbol.
6850 (init_varasm_once): Initialize object_block_htab.
6851 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6852 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6853 (place_block_symbol, get_section_anchor, output_object_block)
6854 (output_object_block_htab, output_object_blocks): New functions.
6855 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6856 (TARGET_ASM_OUT): Include it.
6857 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6858 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6859 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6860 (TARGET_INITIALIZER): Include them.
6861 * rtl.c (rtl_check_failed_block_symbol): New function.
6862 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6863 (block_symbol, object_block): New structures.
6864 (rtx_def): Add a block_symbol field to the union.
6865 (BLOCK_SYMBOL_CHECK): New macro.
6866 (rtl_check_failed_block_symbol): Declare.
6867 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6868 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6869 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6870 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6871 * output.h (output_section_symbols): Declare.
6872 (object_block): Name structure.
6873 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6874 (default_use_anchors_for_symbol_p): Declare.
6875 * Makefile.in (RTL_BASE_H): Add vec.h.
6876 (explow.o): Depend on output.h.
6877 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6878 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6879 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6880 (rs6000_use_blocks_for_constant_p): New function.
6882 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6884 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6886 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6888 PR tree-opt/25680
6889 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6890 IMAGPART_EXPR.
6892 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6894 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6895 is_aliased.
6896 Update all users.
6898 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6900 PR middle-end/26334
6901 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6902 instead of DECL_REGISTER.
6904 2006-02-18 Olivier Hainque <hainque@adacore.com>
6906 PR ada/13408
6907 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6909 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6911 PR target/24837
6912 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6913 * opth-gen.awk: Handle Var and InverseMask together.
6914 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6915 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6916 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6917 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6918 used together.
6919 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6920 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6921 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6922 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6923 LINUX_DYNAMIC_LINKER): Define.
6924 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6925 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6926 TARGET_GLIBC.
6927 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6928 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6929 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6930 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6931 (TARGET_C99_FUNCTIONS): Don't define.
6932 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6933 GLIBC_DYNAMIC_LINKER.
6934 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6935 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6936 GLIBC_DYNAMIC_LINKER64): Define.
6937 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6938 LINUX_DYNAMIC_LINKER64.
6939 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6940 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6941 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6942 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6943 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6945 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6946 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6947 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6948 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6949 and LINUX_DYNAMIC_LINKER32.
6950 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6951 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6952 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6953 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6954 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6955 TARGET_GLIBC.
6956 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6957 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6958 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6959 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6960 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6961 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6962 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6963 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6964 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6965 LINUX_DYNAMIC_LINKER): Define.
6966 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6967 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6968 GLIBC_DYNAMIC_LINKER64): Define.
6969 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6970 LINUX_DYNAMIC_LINKER64.
6971 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6972 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6973 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6974 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6975 LINUX_DYNAMIC_LINKER): Define.
6976 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6977 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6978 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6979 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6980 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6981 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6982 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6983 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6984 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6985 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6986 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6987 * doc/invoke.texi (-muclibc): Remove caveat about supported
6988 targets.
6990 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6992 * doc/cpp.texi (__TIMESTAMP__): Document.
6994 2006-02-17 Roger Sayle <roger@eyesopen.com>
6996 PR middle-end/25600
6997 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6998 C is one less than the width of X (and related transformations).
6999 * simplify-rtx.c (simplify_unary_operation_1): Transform
7000 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7001 depending on STORE_FLAG_VALUE, were C is one less then the
7002 width of X.
7004 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7006 Fix PR tree-optimization/26341
7007 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7008 about NAME_MEMORY_TAG's.
7010 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7012 PR target/26255
7013 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7014 with hardware float support, and software float support. Add fcpy
7015 alternative to hardware patterns. Add alternatives to copy between
7016 general and floating-point registers to the 32-bit pattern.
7017 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7018 secondary reload to load a QI or HI mode constant into a floating
7019 point register.
7020 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7021 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7023 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7025 PR target/26272
7026 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7027 pc to the pattern.
7028 (load_macho_picbase_di): Likewise.
7030 2006-02-16 Jeff Law <law@redhat.com>
7032 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7033 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7034 (ssa_name_nonzero_p): Likewise.
7035 (get_value_range): Return NULL if VRP is not running.
7036 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7037 VRP routines do not discover a range.
7038 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7039 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7040 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7041 (tree_expr_nonnegative_p): Similarly.
7042 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7043 (restore_nonzero_vars_to_original_value): Remove.
7044 (unsafe_associative_fp_binop): Remove.
7045 (tree_ssa_dominator_optimize): Remove initialization and
7046 finalization of nonzero_vars and nonzero_vars_stack.
7047 (dom_opt_initialize_block): No longer push marker on
7048 nonzero_vars_stack.
7049 (dom_opt_finalize_block): No longer call
7050 restore_nonzero_vars_to_original_value.
7051 (record_equivalences_from_phis): No longer look for
7052 nonzero PHI arguments.
7053 (cprop_into_successor_phis): No longer propagate nonzero
7054 property into PHI arguments. Lose unused argument. Caller
7055 updated.
7056 (record_equivalences_from_stmt): No longer record nonzero
7057 values for SSA_NAMEs.
7058 (lookup_avail_expr): No longer use nonzero_vars.
7060 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7061 for sizetype when sizetype is unsigned.
7063 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7065 PR rtl-optimization/25603
7066 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7067 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7068 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7069 with new meaning of SETS.
7071 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7073 PR target/20353
7074 PR target/24578
7075 PR target/24837
7076 * config/linux.opt: New file.
7077 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7078 LINUX_DYNAMIC_LINKER): Define.
7079 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7080 * config.gcc (*-*-linux*): Define extra_options.
7081 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7082 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7083 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7084 GLIBC_DYNAMIC_LINKER.
7085 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7086 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7087 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7088 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7089 * doc/invoke.texi (GNU/Linux Options): New section.
7091 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7093 * config/sparc/sparc.md (setjmp): Rewrite.
7094 (setjmp_32): Delete.
7095 (setjmp_64): Likewise.
7097 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7099 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7100 previous change.
7102 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7104 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7105 read-write uses.
7107 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7109 PR rtl-optimization/26296
7110 * Makefile.in (loop-invariant.c): Add except.h dependency.
7111 * loop-invariant.c: Include except.h.
7112 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7114 2005-02-16 Paul Brook <paul@codesourcery.com>
7116 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7117 for reloads.
7119 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7121 PR rtl-optimization/25636
7122 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7123 when deciding whether an insn is an initializing insn.
7125 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7127 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7128 (tree_code_size): Ditto.
7129 * tree.h (struct tree_memory_tag): Remove parent_var.
7130 (struct tree_struct_field_tag): New.
7131 (SFT_OFFSET): New.
7132 (SFT_SIZE): New.
7133 (union tree_node): Add sft member.
7134 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7135 specially here.
7136 (create_sft): Add size and offset argument, set SFT_OFFSET and
7137 SFT_SIZE.
7138 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7139 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7140 * tree-flow-inline.h (get_subvar_at): Update for
7141 SFT_OFFSET/SFT_SIZE.
7142 (var_can_have_subvars): Ditto.
7143 (overlap_subvar): Ditto.
7144 * print-tree.c (print_node): Print out interesting things for
7145 SFT's.
7146 * tree-flow.h (struct subvar): Remove offset and size members.
7147 * tree-ssa-operands.c (get_expr_operands): Update for
7148 get_indirect_ref_operands changes.
7149 (get_indirect_ref_operands): Call add_virtual_operand instead of
7150 add_stmt_operand. Only recurse on base var if requested.
7151 (access_can_touch_variable): New function.
7152 (add_stmt_operand): Split virtual operand handling into ...
7153 (add_virtual_operand): Here. Add offset, size, and for_clobber
7154 arguments. Prune alias sets.
7155 (add_call_clobber_ops): Call add_virtual_operand.
7157 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7159 PR middle-end/26300
7160 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7162 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7163 than TREE_CODE as index into omp_clause_num_ops array.
7165 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7167 PR rtl-optimization/26184
7168 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7169 uses_of_defs.
7170 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7171 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7172 must_precede, must_follow and tobe_scheduled.
7174 PR other/26147
7175 * opts.c (common_handle_option): Free new_option pointer.
7176 * df-core.c (df_analyze): Free postorder pointer.
7178 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7180 * Makefile.in: Fix the examples about the use of stamps
7182 2006-02-15 Michael Matz <matz@suse.de>
7184 PR middle-end/22275
7186 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7187 influenced by maximum_field_alignment or DECL_PACKED.
7188 (update_alignment_for_field): Ditto.
7189 (place_field): Ditto.
7190 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7191 this behaviour.
7193 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7195 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7196 (debug_flow_info): Pass it.
7197 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7198 * bb-reorder.c (reorder_basic_blocks): Likewise.
7199 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7200 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7201 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7202 * gcse.c (gcse_main, bypass_jumps): Likewise.
7203 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7204 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7205 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7206 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7207 * rtl.h (dump_flow_info): Adjust prototype.
7208 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7209 * var-tracking.c (variable_tracking_main): Likewise.
7210 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7211 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7212 options.
7214 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7216 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7217 construction.
7219 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7221 PR tree-optimization/26209
7222 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7223 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7224 eh edges.
7225 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7227 2006-02-14 Roger Sayle <roger@eyesopen.com>
7229 PR middle-end/23670
7230 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7231 (X,Y) and the corresponding symmetry related transformations.
7232 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7233 (X,Y) and its symmetry related transformations.
7235 2006-02-14 Roger Sayle <roger@eyesopen.com>
7237 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7238 and GEU.
7240 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7242 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7244 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7246 PR bootstrap/26053
7247 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7248 support COMDAT group.
7249 * configure: Regenerate.
7251 2006-02-14 Roger Sayle <roger@eyesopen.com>
7253 PR middle-end/26279
7254 PR middle-end/26280
7255 PR middle-end/26283
7256 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7258 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7260 Fix PR tree-optimization/26260
7262 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7263 param.
7264 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7265 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7266 * tree-ssa-structalias.c (create_variable_info_for): Use
7267 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7269 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7271 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7272 Document.
7273 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7274 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7275 of the ending condition.
7276 * tree-ssa-loop-manip.c: Include params.h.
7277 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7278 tree_unroll_loop): New functions.
7279 * tree-pass.h (pass_loop_prefetch): Declare.
7280 * loop.c (rest_of_handle_loop_optimize): Test for
7281 -fprefetch-loop-arrays-rtl.
7282 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7283 * timevar.def (TV_TREE_PREFETCH): New timevar.
7284 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7285 pass_loop_prefetch): New.
7286 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7287 (cleanup_tree_cfg_loop): Call scev_reset.
7288 * common.opt (fprefetch-loop-arrays-rtl): Add.
7289 * tree-ssa-loop-prefetch.c: New file.
7290 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7291 (new_temp_expr_table): Initialize expr_vars.
7292 (free_temp_expr_table): Cleanup expr_vars.
7293 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7294 expressions from being merged into one.
7295 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7296 (struct tree_niter_desc): Add control, bound and cmp fields.
7297 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7298 Declare.
7299 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7300 (tree-cfgcleanup.o): Add SCEV_H dependency.
7301 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7302 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7304 2006-02-14 Richard Guenther <rguenther@suse.de>
7306 PR tree-optimization/26258
7307 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7308 in PHI argument processing.
7310 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7312 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7313 new expression in the requested machine mode.
7315 2006-02-13 Roger Sayle <roger@eyesopen.com>
7317 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7318 directly, instead let do_compare_rtx_and_jump handle this for us.
7319 * expr.c (expand_expr_real_1): Likewise.
7320 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7321 before do_jump_by_parts_greater.
7322 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7323 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7325 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7327 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7329 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7331 PR rtl-optimization/26235
7332 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7333 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7334 format.
7336 2006-02-13 Jeff Law <law@redhat.com>
7338 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7339 TRUTH_XOR_EPR.
7341 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7343 PR middle-end/26092
7344 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7345 twice if decl is a builtin. When trying again, call get_callee_fndecl
7346 first to verify it is still a builtin.
7348 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7350 * dwarf2out.c (base_type_die): Don't add AT_name here.
7351 (subrange_type_die): Don't add AT_name here.
7352 (modified_type_die): Rearrange code flow. Do add AT_name here.
7354 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7356 PR rtl-optimization/26247
7357 PR rtl-optimization/26248
7358 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7360 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7362 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7363 * config/fixtfdi.c: Likewise.
7364 * config/fixunstfdi.c: Likewise.
7365 * config/floatditf.c: Likewise.
7367 2006-02-13 Roger Sayle <roger@eyesopen.com>
7369 PR middle-end/24427
7370 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7371 into (X,C2) if C1 is a subset of the bits of C2. Transform
7372 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7373 (X&(C1&~C2))|C2.
7374 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7376 2006-02-13 Josh Conner <jconner@apple.com>
7378 PR target/25376
7379 * varasm.c (function_section): Check for section name before
7380 calling select_section on targets that define
7381 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7382 unlikely_text_section instead of hot_function_section if
7383 first_function_block_is_cold.
7385 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7387 PR middle-end/25335
7388 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7390 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7392 PR rtl-optimization/26222
7393 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7394 after tree->rtl expansion.
7395 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7396 before passing it to emit_move_insn.
7398 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7400 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7401 default.
7402 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7403 Clarify documentation.
7404 * c-common.h (warn_write_strings): Remove.
7405 * c-common.c (warn_write_strings): Likewise.
7406 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7407 default for C++.
7409 2006-02-12 Roger Sayle <roger@eyesopen.com>
7411 PR middle-end/25724
7412 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7413 (do_jump_parts_zero_rtx): New function renamed from
7414 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7415 (do_jump_parts_equality_rtx): New function split out from
7416 do_jump_parts_equality. Old implementation renamed as above.
7417 Call do_jump_parts_zero_rtx if either operand is zero.
7418 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7419 do all of the heavy lifting.
7420 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7421 calling either do_jump_by_parts_greater_rtx or
7422 do_jump_by_parts_equality_rtx.
7423 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7424 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7425 moved to do_compare_rtx_and_jump, call it directly.
7426 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7427 mode argument. Call do_compare_rtx_and_jump.
7428 (emit_case_nodes): Update calls to do_jump_if_equal.
7430 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7432 PR rtl-optimization/26225
7433 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7435 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7437 PR rtl-optimization/26232
7438 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7440 2006-02-11 Jason Merrill <jason@redhat.com>
7442 PR tree-opt/24365
7443 * tree-inline.c (declare_return_variable): Just don't use the
7444 modify target if it's a gimple complex reg and the return slot
7445 isn't.
7447 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7449 * doc/contrib.texi: Update my entry.
7451 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7453 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7455 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7457 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7458 expensive.
7460 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7462 * doc/invoke.texi (-floop-optimize2): Removed.
7463 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7464 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7465 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7466 * common.opt (floop-optimize2): Removed.
7467 (fmove-loop-invariants): Enabled by default.
7469 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7471 * tree-if-conv.c (combine_blocks): Free the result of
7472 get_loop_exit_edges.
7474 2006-02-10 Jeff Law <law@redhat.com>
7476 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7478 PR tree-optimization/26213
7479 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7480 loop trying to follow SSA_NAME_VALUE chains.
7482 2006-02-10 Richard Guenther <rguenther@suse.de>
7484 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7485 deal with structures that end in implicitly variable sized arrays.
7487 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7489 PR rtl-optimization/24762
7490 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7491 eh edges.
7493 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7495 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7496 (struct ivopts_data): Add regs_used field.
7497 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7498 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7499 instead of loop_data->regs_used;
7500 (free_loop_data): Do not free aux fields for loops.
7501 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7502 and tree_ssa_iv_optimize_finalize.
7504 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7506 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7508 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7510 PR target/26141
7511 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7512 computing the effective result type.
7514 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7516 PR inline-asm/16194
7517 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7518 (tree_overlaps_hard_reg_set): Declare.
7519 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7520 type and signature to match function type expected by walk_tree.
7521 (tree_overlaps_hard_reg_set): New function.
7522 (decl_conflicts_with_clobbers_p): Rename to:
7523 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7524 Use tree_overlaps_hard_reg_set. Changed caller.
7525 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7526 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7527 * cris.c (cris_md_asm_clobbers): Likewise.
7529 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7531 * reload1.c (emit_input_reload_insns): Delete code that tries to
7532 inherit using find_equiv_reg.
7534 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7536 * c-common.h (flag_const_strings): Don't declare.
7537 * c-common.c (flag_const_strings): Remove.
7538 * c.opt (fconst_strings): Remove.
7539 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7540 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7541 (c_common_init_options): Don't set flag_const_strings.
7542 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7544 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7546 * arm.md (tlobits_cbranch): New pattern.
7547 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7548 testing a single bit.
7550 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7552 PR tree-opt/26179
7553 * tree-ssa-pre.c (create_component_ref_by_pieces):
7554 Handle RETURN_DECL like VAR_DECL.
7556 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7558 PR middle-end/26134
7559 * fold-const.c (fold_indirect_ref_1): Fold
7560 "*(foo *)&complexfoo" to "__real__ complexfoo"
7561 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7563 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7565 * tree-flow-inline.h (var_can_have_subvars):
7566 Volatile variables should not have subvariables.
7568 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7570 PR 26180
7571 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7572 multiplying unsigned values.
7573 Tidy comments.
7575 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7577 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7579 2006-02-08 Jason Merrill <jason@redhat.com>
7581 PR c++/25979
7582 * tree.def: Elaborate on difference from MODIFY_EXPR.
7583 * doc/c-tree.texi (INIT_EXPR): Likewise.
7584 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7585 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7586 (gimplify_target_expr): Likewise.
7587 (gimplify_cond_expr): Remove target handling.
7588 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7589 (gimplify_expr): Clobber it here.
7590 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7591 Do return slot optimization if we have an INIT_EXPR.
7593 PR tree-opt/24365
7594 * tree-inline.c (declare_return_variable): Also clear
7595 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7597 PR c++/16405
7598 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7600 PR middle-end/22439
7601 * gimplify.c (gimplify_one_sizepos): Fix typo.
7603 2006-02-08 Jeff Law <law@redhat.com>
7605 PR tree-optimization/21417
7606 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7607 across a backedge if the control statement at the end of the
7608 block is data dependent on other statements in the same block.
7609 (record_temporary_equivalences_from_stmts): Remove over-conservative
7610 test for threading across backedges.
7612 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7613 control statement, handle all three special cases in the same
7614 manner as they all have the same desired solution. No longer
7615 special case edge flag updating when the post dominator is
7616 the exit block.
7618 2006-02-08 Roger Sayle <roger@eyesopen.com>
7620 * tree.def (CHAR_TYPE): Remove.
7621 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7622 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7623 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7624 (gen_string_type_die): Delete unreachable function.
7626 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7627 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7628 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7629 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7630 * builtins.c (type_to_class): Likewise.
7631 * fold-const.c (fold_convert, build_range_check,
7632 merge_ranges): Likewise.
7633 * expr.c (count_type_elements): Likewise.
7634 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7635 * stor-layout.c (layout_type): Likewise.
7636 * ipa-type-escape.c (type_to_consider): Likewise.
7637 * gimplify.c (omp_firstprivatize_type_sizes,
7638 gimplify_type_sizes): Likewise.
7639 * explow.c (promote_mode): Likewise.
7640 * tree-sra.c (is_sra_scalar_type): Likewise.
7641 * varasm.c (output_constant): Likewise.
7642 * tree-inline.c (remap_type_1): Likewise.
7643 * convert.c (convert_to_pointer, convert_to_real,
7644 convert_to_integer, convert_to_complex): Likewise.
7646 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7648 * df-scan.c (df_def_record_1): A set destination may
7649 be a parallel regardless of mode.
7651 2006-02-08 Roger Sayle <roger@eyesopen.com>
7653 PR target/22209
7654 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7655 * config/mips/_tilib.c: Remove.
7656 * config/fixtfdi.c: New libgcc source file.
7657 * config/fixunstfdi.c: New source file.
7658 * config/floatditf.c: New source file.
7659 * config/floatunditf.c: New souce file.
7660 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7661 files above instead of config/mips/_tilib.c.
7662 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7664 2006-02-08 Jeff Law <law@redhat.com>
7666 PR tree-optimization/26169
7667 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7668 threading jumps.
7670 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7672 * df.h (DF_REG_SIZE): Return the length of the initialized
7673 part of the array.
7675 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7677 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7678 __muldf3): Return a correctly signed zero.
7680 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7682 * passes.c (register_one_dump_file): Accept the current properties
7683 instead of pass number. Adjust call to dump_register. Remove
7684 duplicated code.
7685 (register_dump_files): Now a wrapper around...
7686 (register_dump_files_1): ... this one. Do not modify the pass
7687 structure.
7688 (next_pass_1): Cosmetic fix.
7689 (execute_todo): Keep second parameter only. Use curr_properties
7690 instead of fetching it from the pass structure. Check and set
7691 last_verified.
7692 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7693 instead of fetching it from the pass structure. Fix calls to
7694 execute_todo. Update curr_properties and initialize .vcg RTL dump
7695 after running the pass. Reset last_verified.
7696 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7697 at the beginning.
7698 (FIRST_AUTO_NUMBERED_DUMP): New.
7699 (dump_register): Remove "num" parameter, assign it within the
7700 function.
7701 (get_dump_file_name): Modify template for dumps.
7702 * tree-dump.h (dump_register): Adjust prototype.
7703 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7704 (PROP_trees): Add PROP_gimple_lomp.
7705 (TODO_set_props): New.
7706 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7707 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7708 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7710 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7712 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7713 (sparc64-*-linux*): Likewise.
7714 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7715 * config/sparc/t-linux: New file.
7716 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7717 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7718 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7719 -m32 -mlong-double-128.
7721 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7722 * config/alpha/t-linux: New file.
7723 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7725 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7726 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7727 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7728 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7729 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7730 (CPP_ARCH32_SPEC): Remove.
7732 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7734 PR tree-optimization/26145
7735 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7736 bbs pointer.
7738 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7740 PR target/26109
7741 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7742 >= 240000 when generating code for SOM runtime.
7743 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7744 to $$dyncall when generating code for SOM runtime..
7746 2006-02-07 Dirk Mueller <dmueller@suse.com>
7748 PR c++/18150
7749 * doc/invoke.texi (-Wsequence-point): Update documentation
7750 that -Wsequence-point is implemented for C++ as well.
7752 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7754 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7755 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7756 (LIB_SPEC): Likewise.
7757 * doc/invoke.texi (SPARC options): Document -pthread.
7759 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7761 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7762 PIC addresses.
7764 2006-02-07 Roger Sayle <roger@eyesopen.com>
7766 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7767 Correct comment describing BOOLEAN_TYPE.
7769 2006-02-07 Dirk Mueller <dmueller@suse.com>
7771 * c.opt: C++ frontend supports -Wdiv-by-zero.
7772 * c-opts.c (c_common_handle_option): Remove dead case.
7774 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7776 * configure.ac (TLS assembler check): Do not enable TLS by
7777 default on SPARC/Solaris before version 10.
7778 * configure: Regenerate.
7780 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7782 * doc/invoke.texi (xl-compat): Document conversion and support
7783 routine names.
7785 2006-02-07 Jeff Law <law@redhat.com>
7787 * tree-vrp.c (find_conditional_asserts): Update comments.
7788 (simplify_stmt_for_jump_threading): New.
7789 (identify_jump_threads, finalize_jump_threads): New.
7790 (vrp_finalize): Call identify_jump_threads.
7791 (execute_vrp): Call finalize_jump_threads.
7792 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7793 (vrp_element, vrp_data, vrp_element_p): Remove.
7794 (vrp_hash_elt, vrp_variables_stack): Remove.
7795 (vrp_hash, vrp_eq, record_range): Remove.
7796 (simplify_cond_and_lookup_avail_expr): Remove.
7797 (extract_range_from_cond): Remove.
7798 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7799 (simplify_stmt_for_jump_threading): New.
7800 (dom_thread_across_edge): New wrapper.
7801 (tree_ssa_dominator_optimize): No longer initialize or
7802 finalize any of the VRP datastructures. Remove iteration
7803 step and simplify as a result of removal of iteration step.
7804 (pass_dominator): Perform a cfg cleanup after DOM.
7805 (dom_opt_finalize_block): Use the new common routines
7806 for threading jumps. Simplify stack management slightly.
7807 No longer need to unwind VRP state.
7808 (record_equivalences_from_incoming_edge): No longer record
7809 VRP information.
7810 (eliminate_redundant_computations): No longer call
7811 simplify_cond_and_lookup_avail_expr.
7812 * tree-flow.h (potentially_threadable_block): Prototype.
7813 (thread_across_edge): Likewise.
7814 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7815 (tree-ssa-threadedge.o): Add dependencies.
7816 * tree-ssa-threadedge.c: New file.
7817 * passes.c (init_optimization_passes): Merge PHIs before
7818 calling VRP. Run VRP again late in the SSA optimization pipeline.
7820 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7822 * df-core.c (df_set_blocks): Do not dereference function pointers.
7823 (df_finish1): Likewise.
7824 (df_hybrid_search_forward): Likewise.
7825 (df_hybrid_search_backward): Likewise.
7826 (df_iterative_dataflow): Likewise.
7827 (df_analyze_problem): Likewise.
7828 (df_compact_blocks): Likewise.
7829 (df_dump): Likewise.
7830 * df-scan.c (df_rescan_blocks): Likewise.
7831 (df_record_entry_block_defs): Likewise.
7833 * genconditions.c (write_conditions): Guard the definition of
7834 'insn_conditions' with the check on GCC version.
7835 (write_writer): Guard the traversal 'insn_conditions' with
7836 the check on GCC version.
7838 2006-02-07 Richard Guenther <rguenther@suse.de>
7840 PR c++/26140
7841 Revert
7842 2006-01-30 Richard Guenther <rguenther@suse.de>
7843 PR c++/23372
7844 * gimplify.c (gimplify_target_expr): Handle easy cases
7845 without creating a temporary.
7847 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7849 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7850 use of float in probability computations. Use edge probabilities
7851 in place of statically computed probabilities.
7852 (min_spec_prob): New static variable.
7853 (schedule_insns): Initialize it.
7854 (GET_SRC_PROB): Removed.
7855 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7857 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7859 PR debug/24444
7860 * config/ia64/unwind-ia64.c: Revert last change.
7861 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7862 (INCOMING_FRAME_SP_OFFSET): Define.
7864 2006-02-06 Roger Sayle <roger@eyesopen.com>
7866 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7868 2006-02-07 Ben Elliston <bje@au.ibm.com>
7870 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7871 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7872 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7873 (ix86_return_in_memory): Handle TDmode.
7874 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7875 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7877 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7879 * reorg.c (dbr_schedule): Use dump_file instead of file.
7881 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7883 PR target/25917
7884 * config/ia64/predicates.md (extr_len_operand): New predicate.
7885 * config/ia64/ia64.md (extv): Tighten constraints.
7886 (extzv): Ditto.
7887 (*tbit_and_2): Ditto.
7888 (*tbit_and_3): Ditto.
7889 (*tbit_or_2): Ditto.
7890 (*tbit_or_3): Ditto.
7891 (*bit_zero): Ditto.
7892 (*bit_one): Ditto.
7894 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7896 PR target/23359
7897 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7899 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7901 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7902 loop_optimizer_init and loop_optimizer_finalize
7903 * tree-ssa-sink.c (execute_sink_code): Ditto.
7904 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7905 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7906 tree_ssa_loop_done): Ditto.
7907 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7908 * sched-ebb.c: Include output.h.
7909 (schedule_ebbs): Do not use dump argument.
7910 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7911 * loop.c (loop_dump_stream): Removed.
7912 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7913 argument.
7914 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7915 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7916 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7917 loop_iterations, strength_reduce, record_biv, record_giv,
7918 final_giv_value, check_final_value, check_ext_dependent_givs,
7919 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7920 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7921 dump_file instead of loop_dump_stream.
7922 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7923 argument dump_file.
7924 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7925 dump argument.
7926 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7927 * haifa-sched.c: Include output.h
7928 (schedule_insns, sched_init): Do not use dump argument.
7929 * mode-switching.c (optimize_mode_switching): Ditto.
7930 * modulo-sched.c (stats_file): Removed.
7931 (print_node_sched_params): Do not call argument dump_file.
7932 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7933 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7934 of stats_file.
7935 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7936 use dump argument.
7937 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7938 rtl_loop_init, rtl_loop_done): Ditto.
7939 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7940 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7941 Ditto.
7942 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7943 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7944 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7945 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7946 * emit-rtl.c (renumber_insns): Ditto.
7947 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7948 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7949 * regclass.c (regclass): Ditto.
7950 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7951 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7952 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7953 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7954 Ditto.
7955 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7956 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7957 to regclass.
7958 * gcse.c (gcse_file, debug_stderr): Removed.
7959 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7960 rest_of_handle_gcse): Do not use dump argument.
7961 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7962 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7963 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7964 compute_code_hoist_vbeinout, compute_code_hoist_data,
7965 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7966 compute_store_table, build_store_vectors, insert_insn_start_bb,
7967 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7968 store_motion): Use dump_file instead of gcse_file.
7969 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7970 * profile.c (profile_dump_file): Removed.
7971 (branch_prob): Use dump_file instead of profile_dump_file.
7972 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7973 dump_file.
7974 * tree-ssa-copy.c (dump_copy_of): Ditto.
7975 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7976 dump file to life_analysis.
7977 * bt-load.c (branch_target_load_optimize): Ditto.
7978 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7979 renumber_insns.
7980 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7981 regclass, dbr_schedule): Declaration changed.
7982 * sched-int.h (sched_init): Declaration changed.
7983 * tree-profile.c (tree_profile_dump_file): Removed.
7984 (tree_profile_hooks): Removed profile_dump_file hook.
7985 * rtl-profile (rtl_profile_dump_file): Removed.
7986 (rtl_profile_hooks): emoved profile_dump_file hook.
7987 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7988 changed.
7989 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7990 * tree-cfg.c (build_tree_cfg): Ditto.
7991 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7992 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7993 Declaration changed.
7994 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7995 life_analysis and schedule_insns.
7996 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7997 life_analysis.
7998 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7999 dbr_schedule.
8000 * config/mips/mips.c (mips_reorg): Ditto.
8001 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8002 schedule_ebbs.
8004 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8006 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8007 (s390_mangle_fundamental_type): New.
8008 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8009 Define.
8011 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8012 (alpha_mangle_fundamental_type): New.
8013 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8014 Define.
8016 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8017 Define.
8018 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8019 Define.
8020 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8021 (sparc_mangle_fundamental_type): New.
8023 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8025 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8026 (s390x-*-linux*): Likewise.
8027 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8028 * config/s390/t-linux: New file.
8030 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8032 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8033 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8035 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8037 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8038 (ANTIC_SAFE_LOADS): New macro.
8039 (find_or_generate_expression): Add prototype.
8040 (set_contains_value): Allow null set for sake of not always having
8041 to allocate ANTIC_SAFE_LOADS.
8042 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8043 Allow COMPONENT_REF too.
8044 (valid_in_set): Allow COMPONENT_REF.
8045 Check ANTIC_SAFE_LOADS too.
8046 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8047 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8048 rename.
8049 (can_PRE_operation): Add COMPONENT_REF.
8050 (create_component_ref_by_pieces): New function.
8051 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8052 (insert_aux): Move AGGREGATE_TYPE_P check here.
8053 (compute_avail): Set bb local stmt uids.
8054 (pass_pre): Use TODO_update_ssa_only_virtuals.
8056 2006-02-06 Ben Elliston <bje@au.ibm.com>
8058 * configure.ac: Unconditionally disable decimal float by default.
8059 * configure: Regenerate.
8061 2006-02-06 Ben Elliston <bje@au.ibm.com>
8063 * read-rtl.c (read_name): Terminate reading on EOF.
8065 2006-02-06 Ben Elliston <bje@au.ibm.com>
8067 * dfp.c (decimal_real_arithmetic): Change second argument type
8068 from int to enum tree_code. Do not always return true, but now
8069 return result of any call to decimal_do helper functions.
8070 * dfp.h (decimal_real_arithmetic): Update prototype.
8072 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8074 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8076 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8078 PR tree-opt/25251
8079 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8080 forced labels.
8082 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8084 * tree-vrp.c (cfg_loops): Removed.
8085 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8086 Use current_loops instead of cfg_loops. Pass flags to
8087 loop_optimizer_init.
8088 * cfgloopmanip.c (fix_loop_structure): Update only available
8089 information.
8090 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8091 loop_optimizer_init.
8092 * modulo-sched.c (build_loops_structure): Removed.
8093 (sms_schedule): Use loop_optimizer_init.
8094 * loop-init.c (loop_optimizer_init): Use flags to determine
8095 which properties of loops to prepare.
8096 (rtl_loop_init): Pass flags to loop_optimizer_init.
8097 * tree-ssa-sink.c (execute_sink_code): Ditto.
8098 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8099 * tree-ssa-pre.c (init_pre): Ditto.
8100 * cfgloop.h (LOOPS_NORMAL): New.
8101 (loop_optimizer_init): Declaration changed.
8103 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8105 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8106 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8107 pa/t-pa.
8108 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8109 pa/t-pa.
8110 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8111 pa/x-ada.
8112 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8113 * pa/t-pa64: Delete quadlib.c rule.
8114 * pa/x-ada: Revert last change.
8115 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8117 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8119 PR rtl-optimization/26087
8120 * rtlanal.c (canonicalize_condition): Do not cross basic block
8121 boundaries.
8123 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8125 PR debug/24444
8126 * config/ia64/ia64.c: Include debug.h.
8127 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8128 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8129 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8130 (process_epilogue, process_set, process_for_unwind_directive):
8131 Output unwind info only if requested. Add CFA info if requested.
8132 Add new arguments as needed. Adjust callers.
8133 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8134 incorrect default.
8135 (DWARF2_FRAME_INFO): Define to zero.
8136 * config/ia64/unwind-ia64.c: Remove code that compensated for
8137 the CFA offset error fixed above.
8138 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8139 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8140 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8141 -funwind-tables and -fexceptions to enable frame info.
8142 (dwarf2out_frame_init): Define initial CFA even if
8143 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8144 DWARF2_UNWIND_INFO is nonzero, not just defined.
8145 (dwarf2out_frame_finish): Output non-EH call frame info only
8146 if DWARF2_FRAME_INFO is nonzero.
8147 (convert_cfa_to_loc_list,
8148 compute_frame_pointer_to_cfa_displacement): Define even if
8149 unwind info is not supported.
8150 (gen_subprogram_die): Use the above unconditionally. Remove
8151 legacy alternate code.
8152 * toplev.c (compile_file): Compile in call to
8153 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8154 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8156 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8157 Jakub Jelinek <jakub@redhat.com>
8159 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8160 IBM extended float format long double as "g" on powerpc*-linux.
8162 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8164 PR target/25926
8165 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8166 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8168 2006-02-03 Jason Merrill <jason@redhat.com>
8170 PR c++/25979
8171 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8173 PR middle-end/25977
8174 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8175 on the return slot if it's an NRV.
8177 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8179 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8180 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8181 rewrite_use): Do not handle USE_OUTER.
8182 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8183 add_iv_outer_candidates, may_replace_final_value,
8184 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8185 (find_interesting_uses_op): Functionality of
8186 find_interesting_uses_outer_or_nonlin moved here.
8187 (find_interesting_uses_outside): Use find_interesting_uses_op.
8189 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8191 PR target/25960
8192 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8194 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8195 Ulrich Weigand <uweigand@de.ibm.com>
8197 PR target/25864
8198 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8199 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8200 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8201 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8202 and dxr fields.
8203 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8204 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8205 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8206 Define secondary reloads for TFmode moves.
8207 (constant_modes): Add TFmode.
8208 (NR_C_MODES): Set to 8.
8209 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8210 builtin define.
8211 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8212 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8213 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8214 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8215 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8216 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8217 (FPR mode macro): Add TFmode.
8218 (DSF mode macro): New.
8219 (<de>, <dee> mode attributes): Removed.
8220 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8221 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8222 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8223 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8224 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8225 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8226 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8227 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8228 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8229 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8230 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8231 "*negabs<mode>2", "sqrt<mode>2"):
8232 Changed <de> to <xde>. R constraint replaced by <Rf>.
8233 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8234 <Rf>.
8235 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8236 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8237 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8238 splitters.
8239 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8240 "extenddftf2", "extendsftf2"): New expanders.
8241 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8242 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8243 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8244 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8245 New options.
8246 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8247 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8248 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8249 __floatditf): Add a GCC_4.1.0 symbol version tag.
8250 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8251 the new options.
8253 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8255 PR target/25377
8256 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8257 Use targetm.binds_local_p instead of TREE_PUBLIC.
8259 2006-02-02 Roger Sayle <roger@eyesopen.com>
8261 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8262 on INTEGER_TYPEs to indicate that it denotes a character type.
8263 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8264 signed_char_type_node, unsigned_char_type_node and char_type_node.
8265 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8266 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8267 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8269 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8270 Daniel Berlin <dberlin@dberlin.org>
8272 * tree-tailcall.c (arg_needs_copy_p): New function.
8273 (eliminate_tail_call): Use arg_needs_copy_p.
8274 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8275 (add_virtual_phis): New function.
8277 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8279 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8280 #ignore instead of #scratch for %g7 .register directive.
8282 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8284 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8285 object files.
8287 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8289 * flow.c (calculate_global_regs_live): Assert that there aren't any
8290 EDGE_FAKE edges.
8292 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8294 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8295 what its name says.
8296 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8297 bsi_after_labels iterator.
8298 * tree-if-conv.c (find_phi_replacement_condition,
8299 replace_phi_with_cond_modify_expr): Likewise.
8300 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8301 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8303 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8305 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8307 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8309 PR 25990
8310 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8311 array after growing it.
8313 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8315 PR middle-end/24901
8316 * fold-const.c (fold_checksum_tree): Change type of buf.
8318 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8320 * reload.c (push_secondary_reload): Initialize t_icode.
8322 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8324 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8325 -msoft-float -mlong-double-128 only issue a warning, but don't
8326 swich to DFmode long double.
8328 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8330 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8331 has a constant equivalent, iterate over equivalents for arg0,
8332 calling simplify_relational_operation and if there's a result
8333 cheaper than X, apply fold_rtx and return the result.
8335 2006-02-01 Jan Hubicka <jh@suse.cz>
8337 * opts.c (no_unit_at_a_time_default): New global variable.
8338 (decode_options): Use it.
8339 * opts.h (no_unit_at_a_time_default): Declare.
8341 2006-02-01 Paul Brook <paul@codesourcery.com>
8343 * function.c (assign_parm_setup_reg): Use function argument promotion
8344 rules.
8345 * expr.c (expand_expr_real_1): Use function argument promotion rules
8346 for PARM_DECLs.
8348 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8350 * gcc.c (process_command): Change j to 'unsigned int'.
8352 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8354 PR middle-end/26001
8355 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8356 Use the corrected index for the character
8357 out of the string constant.
8359 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8361 * mode-switching.c (optimize_mode_switching): Fix size
8362 allocated for bb_info[n_entities].
8364 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8366 * gcc.c (main): Correct type that is allocated for
8367 explicit_link_files.
8369 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8371 * config/s390/s390.c (init_alignment_context): Set
8372 ALIAS_SET_MEMORY_BARRIER on the MEM.
8373 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8375 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8377 PR middle-end/25933
8378 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8379 dom_bbs pointer.
8380 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8381 call to tpa_init.
8383 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8385 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8386 * regrename.c: Ditto.
8387 * tree-ssa-loop-im.c: Ditto.
8388 * tree-dump.c: Ditto.
8389 * tree-complex.c: Ditto.
8390 * genrecog.c: Ditto.
8391 * tree-ssa-threadupdate.c: Ditto.
8392 * tracer.c: Ditto.
8393 * java/class.c: Ditto.
8394 * java/jcf-parse.c: Ditto.
8395 * java/resource.c: Ditto.
8396 * java/except.c: Ditto.
8397 * java/jvspec.c: Ditto.
8398 * java/jcf-write.c: Ditto.
8399 * java/jcf-path.c: Ditto.
8400 * java/gjavah.c: Ditto.
8401 * java/zextract.c: Ditto.
8402 * java/jcf-io.c: Ditto.
8403 * java/jcf.h: Ditto.
8404 * java/buffer.c: Ditto.
8405 * java/lang.c: Ditto.
8406 * java/parse-scan.y: Ditto.
8407 * java/lex.c: Ditto.
8408 * java/lex.h: Ditto.
8409 * cfgloopmanip.c: Ditto.
8410 * postreload-gcse.c: Ditto.
8411 * tree-ssa-loop-manip.c: Ditto.
8412 * postreload.c: Ditto.
8413 * tree-ssa-loop-ch.c: Ditto.
8414 * loop.c: Ditto.
8415 * ipa-cp.c: Ditto.
8416 * cppspec.c: Ditto.
8417 * diagnostic.c: Ditto.
8418 * final.c: Ditto.
8419 * genoutput.c: Ditto.
8420 * gcc.c: Ditto.
8421 * cfghooks.c: Ditto.
8422 * cfgloopanal.c: Ditto.
8423 * objc/objc-act.c: Ditto.
8424 * gcov.c: Ditto.
8425 * genextract.c: Ditto.
8426 * genautomata.c: Ditto.
8427 * pretty-print.c: Ditto.
8428 * genemit.c: Ditto.
8429 * cgraphunit.c: Ditto.
8430 * flow.c: Ditto.
8431 * df-scan.c: Ditto.
8432 * haifa-sched.c: Ditto.
8433 * dominance.c: Ditto.
8434 * dbxout.c: Ditto.
8435 * tree-ssa-loop-ivopts.c: Ditto.
8436 * df-core.c: Ditto.
8437 * mode-switching.c: Ditto.
8438 * modulo-sched.c: Ditto.
8439 * graph.c: Ditto.
8440 * ipa-pure-const.c: Ditto.
8441 * cse.c: Ditto.
8442 * fix-header.c: Ditto.
8443 * web.c: Ditto.
8444 * tree-stdarg.c: Ditto.
8445 * ipa-utils.c: Ditto.
8446 * loop-init.c: Ditto.
8447 * ipa-inline.c: Ditto.
8448 * cfganal.c: Ditto.
8449 * global.c: Ditto.
8450 * alloc-pool.c: Ditto.
8451 * dwarf2out.c: Ditto.
8452 * opts.c: Ditto.
8453 * genattrtab.c: Ditto.
8454 * tree-ssa-loop-ivcanon.c: Ditto.
8455 * predict.c: Ditto.
8456 * timevar.c: Ditto.
8457 * lcm.c: Ditto.
8458 * fortran/gfortranspec.c: Ditto.
8459 * regmove.c: Ditto.
8460 * local-alloc.c: Ditto.
8461 * langhooks.c: Ditto.
8462 * function.c: Ditto.
8463 * tree-vectorizer.c: Ditto.
8464 * gcse.c: Ditto.
8465 * ipa-type-escape.c: Ditto.
8466 * alias.c: Ditto.
8467 * tree-if-conv.c: Ditto.
8468 * profile.c: Ditto.
8469 * ipa.c: Ditto.
8470 * tree-data-ref.c: Ditto.
8471 * loop-unroll.c: Ditto.
8472 * treelang/treetree.c: Ditto.
8473 * calls.c: Ditto.
8474 * bt-load.c: Ditto.
8475 * ggc-common.c: Ditto.
8476 * except.c: Ditto.
8477 * coverage.c: Ditto.
8478 * cselib.c: Ditto.
8479 * tree-cfgcleanup.c: Ditto.
8480 * tree-ssa-pre.c: Ditto.
8481 * cfgcleanup.c: Ditto.
8482 * loop-invariant.c: Ditto.
8483 * loop-iv.c: Ditto.
8484 * ipa-prop.c: Ditto.
8485 * print-tree.c: Ditto.
8486 * conflict.c: Ditto.
8487 * ggc-page.c: Ditto.
8488 * sched-deps.c: Ditto.
8489 * regclass.c: Ditto.
8490 * tree-object-size.c: Ditto.
8491 * combine.c: Ditto.
8492 * bb-reorder.c: Ditto.
8493 * resource.c: Ditto.
8494 * var-tracking.c: Ditto.
8495 * cfgloop.c: Ditto.
8496 * df-problems.c: Ditto.
8497 * reg-stack.c: Ditto.
8498 * tlink.c: Ditto.
8499 * gccspec.c: Ditto.
8500 * sched-rgn.c: Ditto.
8501 * tree-ssa-structalias.c: Ditto.
8502 * tree-ssa-reassoc.c: Ditto.
8503 * config/darwin-c.c: Ditto.
8504 * config/darwin.c: Ditto.
8505 * config/arm/arm.c: Ditto.
8506 * cfgrtl.c: Ditto.
8507 * collect2.c: Ditto.
8508 * reload1.c: Ditto.
8510 2006-01-31 Nicolas Pitre <nico@cam.org>
8512 * arm.md (smaxsi3): Make aware of smax_m1.
8513 (smax_m1): New.
8515 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8517 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8519 2006-01-31 Richard Guenther <rguenther@suse.de>
8521 * doc/invoke.texi (-msselibm): Document.
8522 * target.h (expand_library_builtin): New target hook.
8523 * builtins.c (expand_builtin): Use expand_library_builtin.
8524 (default_expand_library_builtin): New function.
8525 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8526 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8527 (link_gcc_math_spec): Declare.
8528 (static_specs): Add link_gcc_math_spec.
8529 * expr.h (default_expand_library_builtin): Declare.
8530 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8531 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8532 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8533 * config/i386/i386.opt (msselibm): New target option.
8534 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8535 (ix86_init_sse_abi_builtins): New function.
8536 (ix86_expand_library_builtin): Likewise.
8537 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8538 (override_options): Handle error conditions wrt -msselibm.
8539 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8540 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8541 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8542 builtins.
8544 2006-01-31 Richard Guenther <rguenther@suse.de>
8545 Paolo Bonzini <bonzini@gnu.org>
8547 * doc/install.texi (--disable-libgcc-math): Document.
8549 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8551 * expr.h (expand_normal): new inline function.
8552 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8553 * dojump.c: use it.
8554 * dwarf2out.c: use it.
8555 * expr.c: use it.
8556 * calls.c: use it.
8557 * expmed.c: use it.
8558 * except.c: use it.
8559 * config/sparc/sparc.c: use it.
8560 * config/i386/i386.c: use it.
8561 * config/rs6000/rs6000.c: use it.
8562 * config/arm/arm.c: use it.
8563 * config/mips/mips.c: use it.
8564 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8566 2006-01-30 Roger Sayle <roger@eyesopen.com>
8568 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8569 argv to the appropriate type.
8571 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8573 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8574 unreachable code.
8576 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8578 PR target/26018
8579 * config/s390/s390.c (struct machine_function): New flag
8580 decomposed_literal_pool_addresses_ok_p.
8581 (s390_reorg): Set it before final stage of literal pool transforms.
8582 (s390_decompose_address): Only accept displacements of the form
8583 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8585 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8587 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8588 the comparison routine return.
8590 2006-01-30 Michael Matz <matz@suse.de>
8592 * global.c (find_reg): Only evict for global regs.
8593 Take n_refs into account and dump more info.
8595 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8597 PR target/14798:
8598 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8599 (pragma_trap, pragma_nosave_low_regs): Likewise.
8600 (current_function_anonymous_args): Likewise.
8601 (sh_deferred_function_attributes): New variable.
8602 (sh_deferred_function_attributes_tail): Likewise.
8603 (print_operand): For '@', look up trap_exit attribute.
8604 (calc_live_regs): Look up trapa_handler attribute. For trapa
8605 handlers, save/restore fpscr, but don't do any other
8606 interrupt-specific saves.
8607 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8608 Fix check for partially saved registers to check for SHmedia.
8609 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8610 (sh_output_function_epilogue): Don't clear any of the removed
8611 variables.
8612 (sh_insert_attributes): Don't check pragma_interrupt.
8613 Insert deferred attributes. Check that interrupt attribute is
8614 present for other attributes that require its presence.
8615 (sh_attribute_table): Add new attributes trapa_handler and
8616 nosave_low_regs.
8617 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8618 Don't check for pragma_interrupt. Don't store argument.
8619 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8620 (sh_deferred_function_attributes): Declare.
8621 (sh_deferred_function_attributes_tail): Likewise.
8622 * sh.md (sp_switch_1): Add operand. Change generator caller.
8623 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8624 (*return_i): Don't use when trap_exit attribute is in effect.
8625 (*return_trapa): New insn pattern.
8626 * sh-c.c: New file.
8627 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8628 setting c_target_objs and cxx_target_objs.
8629 * t-sh: Add rule for sh-c.o.
8631 2006-01-30 Richard Guenther <rguenther@suse.de>
8633 PR c++/23372
8634 * gimplify.c (gimplify_target_expr): Handle easy cases
8635 without creating a temporary.
8637 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8639 * vec.h (safe_grow): Remove duplicated line.
8641 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8643 PR 25874
8644 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8645 (expand_omp): ... here.
8646 (expand_omp_parallel): Only remove barriers for combined
8647 parallel+workshare constructs.
8649 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8651 Revert
8653 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8654 * tree.c (build_qualified_type): Chain the new type to the original
8655 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8656 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8657 (build_pointer_type_for_mode): Only return unqualified types.
8658 (build_reference_type_for_mode): Likewise.
8660 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8662 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8663 * Makefile.in (CXX_COMPAT_WARN): Define.
8664 * configure: Regenerate.
8666 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8668 PR tree-opt/25911
8669 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8670 to an if check.
8672 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8674 * toplev.c: Fix thinko.
8676 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8677 Marcin Dalecki <martin@dalecki.de>
8679 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8680 (push_srcloc): Use XNEW.
8681 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8683 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8685 * df-core.c (df_set_blocks): Deleted all variable.
8687 2006-01-28 Ian Lance Taylor <ian@airs.com>
8689 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8690 cgraph_output_pending_asms.
8692 2006-01-28 Zack Weinberg <zackw@panix.com>
8694 * c.opt: Add -W(no-)overlength-strings.
8695 * doc/invoke.texi: Document it.
8696 * c-opts.c (c_common_handle_option): -pedantic implies
8697 -Woverlength-strings, if not explicitly disabled already.
8698 (c_common_post_options): -Woverlength-strings defaults to off, and
8699 is always off for C++.
8700 * c-common.c (fix_string_type): Issue warning about strings longer
8701 than is portable only if warn_overlength_strings. Rearrange code
8702 a little for clarity.
8703 * configure.in: Check for -Wno-overlength-strings as well before
8704 enabling -pedantic in stage 1.
8705 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8706 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8708 * genconditions.c (write_header, write_one_condition)
8709 (write_conditions, write_writer): Consolidate very long strings
8710 that were broken up to fit in C89 portable limit. Don't use
8711 printf when fputs will do.
8713 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8715 * combine.c (simplify_comparison <AND>): Check
8716 TRULY_NOOP_TRUNCATION before start using a subreg.
8718 * config/mips/mips.md (*branch_zero<mode>,
8719 *branch_zero<mode>_inverted, *branch_equality<mode>,
8720 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8721 Remove mode check from comparisons.
8723 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8725 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8727 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8729 * expmed.c (const_mult_add_overflow_p): Remove.
8730 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8732 * recog.c (validate_replace_rtx_subexp): Remove.
8733 * recog.h: Remove the prototype for
8734 validate_replace_rtx_subexp.
8736 * integrate.h: Remove the prototype for
8737 copy_decl_for_inlining.
8738 * rtl.h: Remove the prototype for mark_constant_function.
8739 * tree-vectorizer.h: Remove the prototype for
8740 vect_strip_conversion.
8742 * modulo-sched.c (create_partial_schedule,
8743 free_partial_schedule, reset_partial_schedule): Make them
8744 static.
8746 * hooks.c (hook_bool_rtx_int_false): Remove.
8747 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8749 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8751 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8752 and -mlong-double-128 are incompatible.
8753 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8754 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8755 (TARGET_LIBGCC2_CFLAGS): Define.
8756 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8757 (TARGET_LIBGCC2_CFLAGS): Same.
8758 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8760 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8762 PR c/19606.
8763 * c-typeck.c (build_binary_op): Perform implicit casts of
8764 operands before shortening them.
8766 * cfgloopmanip.c (split_loop_bb): Remove.
8767 * cfgloop.h: Remove the prototype for split_loop_bb.
8769 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8770 * cfgloop.h: Remove the prototype for
8771 flow_loop_outside_edge_p.
8773 * emit-rtl.c (init_virtual_regs): Make it static.
8774 * function.h: Remove the prototype for init_virtual_regs.
8776 * recog.c (peephole2_optimize): Make it static.
8777 * recog.h: Remove the prototype for peephole2_optimize.
8779 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8781 * df-scan.c (df_record_entry_block_defs): Check if
8782 INCOMING_RETURN_ADDR_RTX is defined.
8784 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8785 Kenneth Zadeck <zadeck@naturalbridge.com>
8787 PR rtl-optimization/24762
8788 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8789 * targhooks.c (hook_void_bitmap): New hook prototype.
8790 * targhoohs.h (hook_void_bitmap): Ditto.
8791 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8792 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8793 * target.h (live_on_entry): New function pointer.
8794 * df-scan.c (df_all_hard_regs): Removed.
8795 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8796 (df_scan_free_internal): Added df->entry_block_defs.
8797 (df_scan_alloc): Ditto.
8798 (df_scan_dump): Ditto.
8799 (df_uses_record): Plumbed flag field properly thru calls.
8800 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8801 This part fixes PR24762.
8802 (df_bb_refs_record): Added code to make the frame and arg
8803 pointers live in EH blocks.
8804 (df_refs_record): Added call to df_record_entry_block_defs.
8805 (df_record_entry_block_defs): New function.
8806 * df-core.c: Added comments to describe new artifical defs.
8807 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8808 (entry_block_defs): New field in struct df.
8809 (df_all_hard_regs): Deleted.
8810 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8811 * df-problems.c (df_ru_bb_local_compute_process_def):
8812 Added code to handle artifical defs in the entry to a function.
8813 (df_ru_bb_local_compute): Ditto.
8814 (df_rd_bb_local_compute_process_def): Ditto.
8815 (df_rd_bb_local_compute): Ditto.
8816 (df_lr_bb_local_compute): Ditto.
8817 (df_ur_bb_local_compute): Ditto.
8818 (df_urec_bb_local_compute): Ditto.
8819 (df_chain_create_bb): Ditto.
8820 (df_ur_local_finalize): Removed entry.
8821 (df_urec_init): Ditto.
8822 (df_urec_local_finalize): Ditto.
8823 (df_ri_bb_compute): Added detection of last use of pseudos.
8824 * Makefile.in (df-scan.o): Updated dependencies.
8825 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8826 * config/mips/mips.c (mips_set_live_on_entry): Added.
8827 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8828 for target hook.
8829 * dce.c (marked_insn_p): Added code to handle artifical defs.
8831 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8833 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8834 intrinsic.
8835 (_mm_cvtsi128_si64): Likewise.
8836 (_mm_cvtsd_si64): Likewise.
8837 (_mm_cvttsd_si64): Likewise.
8838 (_mm_cvtsi64_sd): Likewise.
8839 (_mm_cvtsi64_si128): Likewise.
8840 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8841 (_mm_cvtsi64_m64): Likewise.
8842 (_m_to_int64): Likewise.
8843 (_mm_cvtm64_si64): Likewise.
8844 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8845 (_mm_cvttss_si64): Likewise.
8846 (_mm_cvtsi64_ss): Likewise.
8847 (_mm_cvtss_f32): Likewise.
8849 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8851 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8852 for pragma redefine_extname.
8854 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8856 PR target/25864
8857 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8858 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8859 -mno-minimal-toc to previous content.
8860 (bispecs): Remove goal.
8861 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8862 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8863 compatibility aliases on powerpc-*-*gnu*.
8864 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8865 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8866 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8867 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8868 (ldblspecs): New goal.
8869 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8870 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8871 _df_to_tf.
8872 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8873 L_sf_to_tf or L_df_to_tf is defined.
8875 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8876 Alan Modra <amodra@bigpond.net.au>
8878 PR target/25864
8879 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8880 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8881 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8882 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8883 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8884 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8885 (rs6000_override_options): Initialize rs6000_ieeequad.
8886 Initialize TFmode format to ibm_extended_format if not
8887 TARGET_IEEEQUAD.
8888 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8889 ieeelongdouble.
8890 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8891 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8892 (function_arg_advance): IBM long double passed in two FPRs, not
8893 split.
8894 (function_arg): IBM long double passed in FPRs.
8895 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8896 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8897 Only multireg GPR aligned.
8898 (rs6000_init_libfuncs): Enable IBM long double functions if not
8899 IEEEQUAD.
8900 (rs6000_generate_compare): Use IBM long double compare if not
8901 TARGET_IEEEQUAD.
8902 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8903 (TARGET_IEEEQUAD): Define.
8904 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8905 not TARGET_IEEEQUAD.
8906 * config/rs6000/rs6000.md: Enable TFmode patterns if
8907 !TARGET_IEEEQUAD.
8908 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8909 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8910 and -mlong-double-128 are incompatible.
8911 * doc/invoke.texi (-mabi): Collect options together. Add
8912 ibmlongdouble and ieeelongdouble.
8914 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8916 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8917 opaque type.
8918 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8919 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8920 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8921 * rtl.h (rtunion_def): Remove rt_ptr.
8922 (X0PTR): Delete.
8923 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8924 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8925 * config/i386/winnt.c (i386_pe_mark_dllexport)
8926 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8928 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8930 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8932 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8934 PR other/24829
8935 PR target/24831
8936 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8937 pthread_key_delete. From John David Anglin. gthrw-ify
8938 pthread_getunique_np only if it it's not a macro. Delete
8939 UNUSED macro.
8940 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8941 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8942 __gthread_objc_condition_signal, __gthread_key_delete): Add
8943 "__attribute__ ((__unused__))" to unused arguments.
8944 (__gthread_recursive_mutex_init_function): Add missing return.
8945 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8946 gthr-posix95.h: Use macro-based approach for name redirection
8947 on targets missing weakref.
8949 2006-01-26 Zack Weinberg <zackw@panix.com>
8951 * genconditions.c (write_header): In generated code, #ifdef out
8952 all includes and fake declarations, except includes of bconfig.h
8953 and system.h, unless GCC_VERSION >= 3001. Do not include
8954 gensupport.h in any case.
8955 (write_conditions): Generate a definition of struct c_test. Add
8956 a comment to the generated #endif.
8957 (write_one_condition): Escape backslashes in string too.
8958 (write_writer): Generated code must escape backslashes and quote
8959 marks (but not newlines) in the strings it writes.
8960 * Makefile.in (build/gencondmd.o): Update dependencies.
8962 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8964 PR target/25961
8965 * Makefile.in (insn-automata.o): Add header file dependencies.
8966 * genautomata.c: Add includes.
8968 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8970 PR target/25961
8971 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8973 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8975 * configure.ac: Expect target tools paths to be passed from the toplevel
8976 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8977 AS_SET_VAR_IF.
8978 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8980 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8982 PR c/25892
8983 * c.opt (Wpointer-sign): Init to -1.
8984 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8985 OPT_pedantic, to 0 otherwise.
8986 * doc/invoke.texi: Update.
8988 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8990 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8991 constants provided by 80387 instructions in the destination mode.
8993 2006-01-26 Richard Guenther <rguenther@suse.de>
8994 Andrew Pinski <pinskia@physics.uc.edu>
8996 PR tree-opt/21470
8997 partial PR tree-opt/17064
8998 * tree-ssa-structalias.c (intra_create_variable_infos):
8999 Create heap variables for incoming parameters if
9000 flag_argument_noalias > 1.
9001 (find_what_p_points_to): Look through default defs of
9002 parameter decls.
9004 2006-01-26 Jeff Law <law@redhat.com>
9006 PR ada/25900
9007 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9008 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9009 within the VR_RANGE, use the VR_RANGE as the result, not the
9010 VR_ANTI_RANGE.
9011 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9012 bounds for the type.
9014 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9016 * tree-ssa-alias.c (maybe_create_global_var): Change
9017 subvar walking to an assertion that we don't have subvar'd variables.
9019 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9021 PR C/25861
9022 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9023 Use a new variable, inner. PARM_DECLs are always non-weak.
9025 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9027 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9028 --disable-checking.
9030 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9032 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9034 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9036 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9037 (smax_insn, smin_insn, smax_0, smin_0): New.
9039 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9041 PR target/25947
9042 * config/cris/cris.c (cris_order_for_addsi3): New function.
9043 * config/cris/cris-protos.h: Prototype it.
9044 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9045 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9046 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9047 (split for "op.S1 [rx=rx+i],ry (swapped)")
9048 (split for "op(s|u).S1 [rx=rx+i],ry")
9049 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9050 Apply cris_order_for_addsi3 when generating addsi3 insns.
9052 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9054 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9055 (TREE_BLOCK): Add call to EXPR_CHECK.
9057 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9059 PR 25886
9060 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9061 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9062 (dump_omp_clauses): ... here.
9063 (dump_generic_node): Handle OMP_CLAUSE.
9064 * tree.c (omp_clause_num_ops): New.
9065 (omp_clause_code_name): New.
9066 (tree_code_size): Handle OMP_CLAUSE.
9067 (tree_size): Likewise.
9068 (make_node): Document handling of OMP_CLAUSE.
9069 (tree_node_structure): Handle OMP_CLAUSE.
9070 (omp_clause_check_failed): New.
9071 (omp_clause_range_check_failed): New.
9072 (omp_clause_operand_check_failed): New.
9073 (build_omp_clause): New.
9074 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9075 * tree.h (enum omp_clause_code): Declare.
9076 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9077 (OMP_CLAUSE_RANGE_CHECK): Define.
9078 (OMP_CLAUSE_ELT_CHECK): Define.
9079 (omp_clause_check_failed): Declare.
9080 (omp_clause_operand_check_failed): Declare.
9081 (omp_clause_range_check_failed): Declare.
9082 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9083 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9084 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9085 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9086 (OMP_CLAUSE_IF_EXPR): Likewise.
9087 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9088 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9089 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9090 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9091 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9092 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9093 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9094 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9095 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9096 (OMP_CLAUSE_CODE): Define.
9097 (OMP_CLAUSE_SET_CODE): Define.
9098 (OMP_CLAUSE_CODE): Define.
9099 (OMP_CLAUSE_OPERAND): Define.
9100 (struct tree_omp_clause): Declare.
9101 (union tree_node): Add field 'omp_clause'.
9102 * treestruct.def (TS_OMP_CLAUSE): Define.
9103 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9104 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9105 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9106 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9107 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9108 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9109 (OMP_CLAUSE): Define.
9110 * print-tree.c (print_node): Handle OMP_CLAUSE.
9111 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9112 * c-typeck.c: Likewise.
9113 * gimplify.c: Likewise.
9114 * c-omp.c: Likewise.
9115 * tree-nested.c: Likewise.
9116 * tree-inline.c: Likewise.
9117 * c-parser.c: Likewise.
9118 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9119 clauses.
9121 2006-01-25 Roger Sayle <roger@eyesopen.com>
9123 PR rtl-optimization/25703
9124 * combine.c (try_combine): Handle zero_extract and strict_low_part
9125 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9127 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9129 * global.c: Fix comment typos.
9131 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9133 PR target/25758
9134 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9135 Use output_addr_const instead of assemble_name.
9137 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9139 * Makefile.in (sched-vis.o): Update dependencies.
9140 * haifa-sched.c (sched_finish): Clear current_sched_info.
9141 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9142 (dump_flow_info): Call it.
9143 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9144 a slim RTL dump.
9145 * basic-block.h (dump_bb_info): Declare.
9146 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9147 option, and apply options only for dump files whose TDF_RTL,
9148 TDF_TREE, or TDF_IPA bits match.
9149 * rtl.h: Declare new functions exported from sched-vis.c.
9150 * sched-vis.c: Enable also if scheduling is not used.
9151 (print_value): Print the mode of registers if not inside scheduling.
9152 (print_insn): Make it work outside the scheduler. Beautify the output
9153 a bit.
9154 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9156 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9158 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9159 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9160 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9161 depending on the value of CONSTANT_POOL_ADDRESS_P.
9162 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9163 SYMBOL_REF_DECL.
9164 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9165 rather than SYMBOL_REF_DECL.
9166 (rtx_constant_pool): Remove const_rtx_sym_htab.
9167 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9168 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9169 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9170 Remove handling of const_rtx_sym_htab.
9171 (find_pool_constant): Delete.
9172 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9173 rather than find_pool_constant.
9174 (get_pool_constant_for_function): Delete.
9175 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9176 find_pool_constant.
9177 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9178 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9179 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9180 (SYMBOL_REF_CONSTANT): New macro.
9181 (get_pool_constant_for_function): Delete.
9182 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9183 rather than SYMBOL_REF_DECL.
9184 (i386_pe_mark_dllimport): Likewise.
9185 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9186 rather than SYMBOL_REF_DECL.
9187 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9188 (machopic_indirect_call_target): Likewise.
9190 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9192 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9194 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9196 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9198 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9200 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9202 2006-01-24 David Daney <ddaney@avtrex.com>
9204 PR java/25816
9205 * configure.ac (enable_tls): New enable option.
9206 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9207 * configure: Regenerate.
9208 * doc/install.texi (--enable-tls): Document new option.
9209 (--disable-tls): Ditto.
9211 2006-01-24 Richard Henderson <rth@redehat.com>
9213 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9214 * alias.c (true_dependence): Respect it.
9215 (canon_true_dependence, write_dependence_p): Likewise.
9216 * builtins.c (get_builtin_sync_mem): Set it.
9218 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9220 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9221 efficient way.
9223 2006-01-24 DJ Delorie <dj@redhat.com>
9225 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9226 for storing constants in single-bit bitfields.
9228 2006-01-25 Ben Elliston <bje@au.ibm.com>
9230 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9232 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9234 PR tree-opt/25860
9235 * tree-ssa-pre.c (phi_translate): Return NULL
9236 for AGGREGATE_TYPE's.
9238 2006-01-24 Zack Weinberg <zackw@panix.com>
9240 * genautomata.c (process_state_for_insn_equiv_partition):
9241 Use xcalloc for insn_arcs_array.
9242 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9243 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9245 2006-01-24 Richard Henderson <rth@redhat.com>
9247 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9248 update all callers.
9250 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9252 PR rtl-optimization/25890
9253 PR rtl-optimization/25905
9254 * combine.c (expand_compound_operation, expand_field_assignment):
9255 Fail if the bitfield's final position is out of bounds.
9257 2006-01-24 Ian Lance Taylor <ian@airs.com>
9259 PR middle-end/25930
9260 * cgraphunit.c (cgraph_output_in_order): Don't clear
9261 cgraph_asm_nodes until after asm strings have been output.
9263 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9265 * fix-header.c (read_scan_file): Add new parameter imultilib when
9266 calling register_include_chains.
9268 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9270 * omp-low.c: Update documentation.
9272 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9273 Daniel Berlin <dberlin@dberlin.org>
9275 PR tree-opt/25315
9276 PR tree-opt/25857
9277 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9278 return from the function.
9280 2006-01-22 Zack Weinberg <zackw@panix.com>
9282 * rtl.def (match_code): Add second argument.
9283 * genpreds.c (write_extract_subexp): New function.
9284 (write_match_code): Add path argument. Use write_extract_subexp.
9285 (write_predicate_expr): Pass path to write_match_code.
9286 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9287 not perform a mode test.
9288 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9289 a subexpression does not constrain the top-level code set.
9290 * read-rtl.c (read_rtx_variadic): New function.
9291 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9292 * doc/md.texi: Document new notation.
9293 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9294 (cmpsi_operand): ... here, using new notation.
9296 2006-01-22 Zack Weinberg <zackw@panix.com>
9298 * varray.c: Remove GENERATOR_FILE #ifdefs.
9300 2006-01-22 Zack Weinberg <zackw@panix.com>
9302 * genautomata.c (output_reserved_units_table): Emit nothing if
9303 description->query_units_num is zero. Remove extra blank line.
9304 (output_cpu_unit_reservation_p): Short circuit
9305 if description->query_units_num is zero.
9307 2006-01-22 Zack Weinberg <zackw@panix.com>
9309 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9310 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9311 nor any of the random handful of variables that used to be necessary
9312 when this program was linked with rtlanal.o. Prune set of forward
9313 function declarations.
9314 (struct attr_desc): Remove static_p field.
9315 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9316 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9317 (attr_string): Do not read the character one past the length of
9318 the string.
9319 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9320 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9321 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9322 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9323 (make_automaton_attrs): New.
9324 (main): Do not call into genautomata. Call local gen_bypass
9325 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9326 Remove special case for insn_alts.
9327 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9328 varray.h (leftover from previous change). Prune set of forward
9329 function declarations. Remove state_alts fields from all
9330 structures. Remove state_alts_table from struct automaton.
9331 Make everything except main static. Do not maintain num_dfa_decls.
9332 Do not maintain state_alts fields of various structures.
9333 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9334 (add_arc): Remove state_alts argument. All callers updated.
9335 (output_reserved_units_table): Emit #ifdef here...
9336 (output_tables): ...not here. Don't generate state_alts tables.
9337 (expand_automata): Don't generate attributes.
9338 (write_automata): Don't generate state_alts functions.
9339 (main): New function.
9340 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9341 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9342 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9343 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9344 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9345 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9346 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9347 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9348 Delete.
9349 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9350 * genattrtab.h: Delete file.
9351 * Makefile.in (OBJS-common): Add insn-automata.o.
9352 (insn-automata.o): New rule.
9353 (simple_generated_c): Add insn-automata.c.
9354 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9355 (genprogmd): Add automata.
9356 (build/genattrtab): Needs no extra objects nor libraries.
9357 (build/genautomata): Needs build/vec.o and -lm.
9359 2006-01-22 Zack Weinberg <zackw@panix.com>
9361 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9362 (output_dfa_max_issue_rate, locked_states_num): Delete.
9363 (struct automaton): Add locked_states field.
9364 (output_dead_lock_vect): Save number of locked states in
9365 automaton->locked_states. If it is zero, don't print anything.
9366 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9367 (output_internal_dead_lock_func): Only test the dead_lock_vect
9368 for automata that have locked states.
9369 (output_statistics): Always print the number of locked states for
9370 each automaton. Calculate total number of locked states here.
9371 (write_automata): Don't call output_dfa_max_issue_rate.
9372 * genattrtab.c: Define length_unit_log as a const variable.
9373 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9374 max_insn_queue_index const.
9375 * final.c (length_unit_log): Declare const.
9376 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9378 2006-01-22 Zack Weinberg <zackw@panix.com>
9380 * genautomata.c: Include vec.h, not varray.h.
9381 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9382 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9383 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9384 VEC_* macros operating on appropriately typed vectors, or to
9385 malloced arrays when the size is known in advance. Const-ify
9386 many char* variables and function arguments. No functional changes.
9387 * Makefile.in (build/varray.o): Delete rule.
9388 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9389 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9391 2006-01-22 Zack Weinberg <zackw@panix.com>
9393 * gensupport.c: Define get_insn_name and record_insn_name here.
9394 (read_md_rtx): Call record_insn_name as appropriate.
9395 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9396 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9397 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9398 record_insn_name.
9399 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9400 (BUILD_VARRAY): Delete.
9401 (genprognormal): Rename genprogmd. Fold in all programs from
9402 genprognoprint; also attrtab.
9403 (build/genattrtab): Just mention genautomata.o and varray.o.
9404 Reorganize a bit, add comments to make the categories clearer.
9406 2006-01-22 Zack Weinberg <zackw@panix.com>
9408 * genconditions.c (condition_table, add_condition): Delete.
9409 (write_conditions): Don't emit n_insn_conditions nor
9410 insn_elision_unavailable. Issue the gcc version #ifdef here,
9411 inside the table, with no #else clause ...
9412 (write_header): ...not here.
9413 (write_writer): New function.
9414 (main): Don't initialize condition_table. Use add_c_test.
9415 Call write_writer.
9416 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9417 files on the command line.
9418 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9419 Return -1 if there is no entry in the table, don't abort.
9420 (add_c_test, traverse_c_tests): New functions.
9421 * gensupport.h (insn_elision_unavailable, insn_conditions)
9422 (n_insn_conditions): Delete declarations.
9423 (add_c_test, traverse_c_tests): Declare.
9424 * read-rtl.c: Include gensupport.h.
9425 (read_conditions): New function.
9426 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9427 (read_rtx_1): If we get EOF when we were looking for an initial
9428 open paren, return 0. Call read_conditions when appropriate.
9429 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9430 dummy-conditions.o. Eliminate references to insn-conditions.o,
9431 or change them to build/gencondmd.o, as appropriate. Remove
9432 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9433 from $(simple_generated_c). For all files remaining in those
9434 two lists, add insn-conditions.md to the generator command line.
9435 Give insn-constants.h/s-constants their own rules. Add rules
9436 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9437 (build/read-rtl.o): Depend on gensupport.h.
9438 (genprognormal): Include preds.
9439 (genprogearly): Rename genprognoprint; only difference is now that
9440 they don't link with $(BUILD_PRINT).
9441 * dummy-conditions.c: Delete.
9443 2006-01-22 Zack Weinberg <zackw@panix.com>
9445 * genextract.c: Don't include insn-config.h. Do include vec.h.
9446 Declare vectors of int, char, and locstr.
9447 (locstr): New typedef.
9448 (struct extraction): Make all array fields into bare pointers.
9449 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9450 (insn_code_number): Delete.
9451 (accum_extract): New struct.
9452 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9453 (gen_insn): Take insn_code_number as an argument. Use an
9454 accum_extract structure instead of loading data directly into
9455 a struct extraction, and having to know how big it might get.
9456 (walk_rtx): Operate entirely on an accum_extract structure.
9457 (print_path): Avoid unnecessary use of printf.
9458 (print_header): New function, split out of main. Distinguish
9459 more carefully between an unrecognizable insn and an insn that
9460 has the code number of a define_expand.
9461 (main): Pass insn_code_number to gen_insn. Call print_header
9462 only after parsing. Avoid unnecessary use of printf.
9463 * Makefile.in (build/vec.o): New rule.
9464 (build/genextract): Depend on build/vec.o.
9465 (build/genextract.o): Don't depend on insn-config.h.
9467 2006-01-22 Zack Weinberg <zackw@panix.com>
9469 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9470 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9471 practical. Eliminate per-generator-program link rules.
9473 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9475 PR middle-end/24437
9476 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9477 with a call expr to ...
9478 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9480 2006-01-23 Richard Guenther <rguenther@suse.de>
9482 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9483 before make_edge with conditional EDGE_TRUE_VALUE.
9485 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9486 Jan Hubicka <jh@suse.cz>
9487 Richard Guenther <rguenther@suse.de>
9489 PR rtl-optimization/25654
9490 * cfgexpand.c (aggregate_contains_union_type): New function.
9491 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9492 for structure variables that contain a union type.
9494 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9496 * gengtype.c (new_structure): Return the structure.
9497 (create_option): Add an extra "next" argument.
9498 (create_field): New function.
9499 (adjust_field_rtx_def): Use create_option and create_field.
9500 Remove a now-unnecessary call to find_structure.
9501 (adjust_field_tree_def): Likewise.
9502 (note_yacc_type): Remove an unnecessary call to find_structure.
9503 * gengtype.h (new_structure): Return the structure.
9504 (create_option): Add an extra argument.
9505 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9506 (option): Adjust calls to create_option.
9508 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9510 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9512 2006-01-22 Paul Brook <paul@codesourcery.com>
9513 Peter Barada <peter@the-baradas.com>
9515 * config/m68k/m68k.md: Add Coldfire FPU support.
9516 Define FP mode macro and associated attributes.
9517 Use it for float mode patterns.
9518 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9519 (LIBCALL_VALUE): Use m68k_libcall_value.
9520 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9521 (m68k_function_value): Ditto.
9522 (emit_move_sequence): Ditto.
9523 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9524 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9525 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9526 (MULTILIB_EXCEPTIONS): Ditto.
9527 * config/m68k/m68k.opt: Add mcfv4e.
9528 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9529 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9530 (m68k_output_function_prologue): Save ColdFire FPU registers.
9531 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9532 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9533 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9534 ColdFire FPU registers.
9535 (m68k_libcall_value, m68k_function_value): New functions.
9536 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9537 (LIBCALL_VALUE): Use m68k_libcall_value.
9538 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9539 (MASK_COLDFIRE): Add MASK_CFV4E.
9540 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9541 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9542 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9543 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9544 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9545 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9546 * doc/invoke.tex: Document -mcfv4e on m68k.
9548 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9550 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9551 URL.
9553 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9555 PR c++/16190
9556 * c-opts.c (c_common_handle_option): Don't include
9557 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9558 * doc/invoke.texi (C++ Dialect Options): Document that
9559 -Wnon-virtual-dtor is no longer included in -Wall.
9561 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9563 * gcov.c (print_version), gcov-dump.c (print_version),
9564 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9565 dates.
9567 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9569 * df-scan.c (problem_SCAN): Added NULL reset function.
9570 (df_scan_reset_blocks): Added code to call reset block function
9571 (df_bb_refs_delete) Fixed comment.
9572 (df_insn_refs_delete): Made tolerant of deleting non existent info
9573 for dataflow problems that need to be reset.
9574 * df-core.c (df_set_blocks): Ditto.
9575 * df.h (struct df_problem): Added reset_fun.
9576 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9577 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9578 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9579 functions to clear out all references to def-use or use-def chains.
9581 2006-01-21 Ben Elliston <bje@au.ibm.com>
9583 * varasm.c (assemble_real): Initialise data array.
9585 2006-01-20 Paul Brook <paul@codesourcery.com>
9587 Merge from csl-arm-branch.
9588 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9589 * config/arm/arm.md (movdi): Force operands[1] to a register
9590 if we have a non-register source.
9591 (*arm_movdi, *movdf_soft_insn): Require that one of the
9592 operands be a register.
9593 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9594 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9596 2006-01-20 DJ Delorie <dj@redhat.com>
9598 * varasm.c (initialize_constant_valid_p): Allow pointers
9599 initialized from integer constants of lesser precision.
9600 (output_constant): Allow non-int-sized pointer modes to be
9601 initialized from integer constants.
9603 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9605 PR libstdc++/25524
9606 * cppdefault.h (struct default_include): Add multilib flag.
9607 * cppdefault.c (cpp_include_defaults): Set it.
9608 * c.opt (-imultilib): New option.
9609 * c-opts.c (imultilib): New.
9610 (c_common_handle_option): Handle -imultilib.
9611 (c_common_post_options): Likewise.
9612 * c-incpath.c (add_standard_paths, register_include_chains):
9613 Likewise.
9614 * c-incpath.h (register_include_chains): Add extra parameter.
9615 * gcc.c (do_spec_1): Generate -imultilib option.
9616 (The Specs Language): Update %I description.
9617 (process_command): Update copyright notice.
9618 * doc/cppopts.texi (-imultilib): Document.
9619 * doc/invoke.texi (-imultilib): Include in option summary.
9620 (%I): Update specs documentation.
9622 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9624 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9626 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9628 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9629 label numbers.
9631 2006-01-20 Richard Guenther <rguenther@suse.de>
9632 Steven Bosscher <stevenb.gcc@gmail.com>
9634 PR rtl-optimization/24626
9635 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9636 EDGE_TRUE_VALUE if in RTL mode.
9638 Revert
9639 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9640 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9642 2006-01-20 Dirk Mueller <dmueller@suse.com>
9644 PR c++/5520
9645 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9646 instead of a special NOP marker.
9647 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9648 NOP marker handling.
9649 * c-common.h (empty_body_warning): Add forward declaration.
9650 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9651 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9653 2006-01-20 Paul Brook <paul@codesourcery.com>
9655 * Makefile.in (lang_checks): Keep going if mkdir fails.
9657 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9659 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9660 be able to clean out basic block when not necessary.
9661 (df_scan_free): Fixed to properly delete information if df is
9662 unused before calling df_finish.
9663 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9664 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9665 or comment typos.
9666 (df_bb_refs_delete): New function.
9667 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9668 * df-core.c (df_set_blocks): Added code to properly clean out
9669 unused blocks if they are not part of the blocks to consider.
9670 Added additional null check.
9671 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9672 be able to clean out basic block when not necessary
9673 * df.h (df_free_bb_function): Ditto.
9674 (df_bb_refs_delete): New function.
9675 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9676 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9677 basic block parameter to be able to clean out basic block when not
9678 necessary.
9679 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9680 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9681 Fixed to properly delete information if df is unused before
9682 calling df_finish.
9684 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9686 PR rtl-optimization/25799
9687 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9688 Corrected confluence operator to remove bits from op2 before oring
9689 with op1 rather than removing bits from op1.
9690 (df_ru_transfer_function): Corrected test on wrong bitmap which
9691 caused infinite loop. Both of these problems were introduced in
9692 the dataflow rewrite.
9694 2006-01-19 DJ Delorie <dj@redhat.com>
9696 * reload1.c (find_reload_regs): Note the details of reload
9697 failures in the dump file.
9698 (spill_failure): Likewise.
9700 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9702 * loop-iv.c: Include df.h and hashtab.h.
9703 (enum iv_grd_result): New enum.
9704 (DF_REF_IV, DF_REF_IV_SET): New macros.
9705 (struct biv_entry): New.
9706 (df, bivs): New global variables.
9707 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9708 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9709 Removed.
9710 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9711 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9712 analyzed_for_bivness_p, record_biv): New functions.
9713 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9714 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9715 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9716 UD chains.
9717 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9718 analysed.
9719 (iv_number_of_iterations): Use new interface to iv analysis.
9720 * loop-unroll.c: Do not include varray.h.
9721 (analyze_iv_to_split_insn): Use new interface to iv
9722 analysis.
9723 * loop-unswitch.c (may_unswitch_on): Ditto.
9724 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9725 allocated.
9726 (df_bb_modify): Realloc tables to the new index.
9727 (df_find_use): New function.
9728 * df.h (df_find_use): Declare.
9729 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9730 outmode.
9731 * cfgloop.h (struct rtx_iv): Remove analysed field.
9732 (iv_get_reaching_def): Removed.
9733 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9734 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9735 (loop-iv.o): Add df.h and hashtab.h dependency.
9736 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9738 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9740 PR target/25668
9741 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9742 Double TFmode.
9743 (__floatundisf, __floatundidf): Likewise.
9744 * libgcc2.h (IS_IBM_EXTENDED): Define.
9746 2006-01-19 DJ Delorie <dj@redhat.com>
9748 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9750 2006-01-19 Paul Brook <paul@codesourcery.com>
9752 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9753 as nothrow when unwinding tables are disabled.
9755 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9757 PR testsuite/25171
9758 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9759 of bit-field" when in system header.
9761 2006-01-19 DJ Delorie <dj@redhat.com>
9763 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9764 the 16 bit shift limit of the m16c.
9766 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9768 PR target/22099
9769 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9770 * config/i386/i386.c (output_set_got): Output the label if we have one
9771 for the TARGET_DEEP_BRANCH_PREDICTION case.
9773 2006-01-19 Jan Hubicka <jh@suse.cz>
9774 H.J. Lu <hongjiu.lu@intel.com>
9775 Evandro Menezes <evandro.menezes@amd.com>
9777 * invoke.texi (generic): Document
9778 (i686) Update.
9779 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9780 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9781 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9782 (x86_use_incdec, x86_pad_returns): New variables
9783 (TARGET_CPU_DEFAULT_generic): New constant
9784 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9785 (enum processor_type): Add generic32 and generic64.
9786 * i386.md (cpu attribute): Add generic32/generic64
9787 (movhi splitter): Behave sanely when both partial_reg_dependency and
9788 partial_reg_stall are set.
9789 (K8 splitters): Enable for generic as well.
9790 * predicates.md (incdec_operand): Use TARGET_INCDEC
9791 (aligned_operand): Avoid memory mismatch stalls.
9792 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9793 * ppro.md: Enable for generic32
9794 * i386.c (generic64_cost, generic32_cost): New.
9795 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9796 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9797 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9798 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9799 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9800 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9801 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9802 x86_accumulate_outgoing_args, x86_prologue_using_move,
9803 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9804 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9805 Enable for generic.
9806 (x86_use_incdec, x86_pad_returns): New.
9807 (override_options): Add generic32 and generic64, translate "generic"
9808 to generic32/generic64 and "i686" to "generic32", refuse
9809 "generic32"/"generic64" as arch target.
9810 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9811 (ix86_reorg): Honor PAD_RETURNS.
9813 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9815 * tree-pretty-print.c (dump_generic_node): Handle
9816 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9817 * cgraph.c (cgraph_expand_queue): Rename from
9818 cgraph_analyze_queue. Update all users.
9819 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9820 cgraph_expand_queue.
9821 (cgraph_expand_all_functions): Likewise.
9822 (cgraph_finalize_pending_functions): Remove. Update callers.
9824 * tree.h (OMP_DIRECTIVE_P): Define.
9825 (OMP_PARALLEL_FN): Define.
9826 (OMP_PARALLEL_DATA_ARG): Define.
9827 (OMP_SECTIONS_SECTIONS): Define.
9828 * tree-pass.h (pass_expand_omp): Declare.
9829 * omp-low.c (struct omp_region): Declare.
9830 (struct omp_context): Remove fields 'parallel_type',
9831 'parallel_start_ix' and 'parallel_start_additional_args'.
9832 Update all users.
9833 (struct omp_for_data): Rename from struct expand_omp_for_data.
9834 (omp_regions): New static variable.
9835 (root_omp_region): New static variable.
9836 (find_omp_clause): Make static.
9837 (is_in_combined_parallel_ctx): Remove.
9838 (is_combined_parallel): New.
9839 (extract_omp_for_data): Move earlier in the file.
9840 (workshare_safe_to_combine_p): New.
9841 (get_ws_args_for): New.
9842 (determine_parallel_type): Move earlier in the file.
9843 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9844 child function.
9845 (omp_copy_decl): Likewise.
9846 (create_omp_child_function): Likewise.
9847 (lookup_omp_region): New.
9848 (dump_omp_region): New.
9849 (debug_omp_region): New.
9850 (debug_all_omp_regions): New.
9851 (new_omp_region): New.
9852 (scan_omp_parallel): If parallel_nesting_level > 1, the
9853 directive is nested within another parallel directive.
9854 Set OMP_PARALLEL_FN.
9855 (scan_omp_for): Do not try to handle combined parallel+for
9856 cases.
9857 Remove FIXME comment.
9858 (scan_omp_nested): Remove.
9859 (scan_omp_1): Do not call scan_omp_nested when
9860 parallel_nesting_level is > 1.
9861 Do not change the DECL_CONTEXT of local variables found.
9862 (lookup_decl_in_outer_ctx): New.
9863 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9864 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9865 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9866 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9867 If CTX is nested, lookup VAR in the outer context when
9868 building copy assignment.
9869 (lower_send_clauses): Rename from expand_send_clauses.
9870 If CTX is nested, lookup VAR in the outer context when
9871 building copy assignments.
9872 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9873 If CTX is nested, lookup VAR in the outer context when
9874 building copy assignments.
9875 (expand_parallel_call): Rename from build_parallel_call.
9876 Handle combined parallel+workshare cases.
9877 Re-implement to emit code into the CFG.
9878 (list2chain): New.
9879 (expand_omp_parallel): Re-implement to emit code into the CFG.
9880 Call move_sese_region_to_fn to outline the sub-graph
9881 containing the parallel region.
9882 (expand_omp_for_1): Remove.
9883 (expand_omp_for_generic): Re-implement to emit code into the
9884 CFG.
9885 (expand_omp_for_static_nochunk): Likewise.
9886 (expand_omp_for_static_chunk): Likewise.
9887 (expand_omp_for): Likewise.
9888 (expand_omp_sections): Likewise.
9889 (remove_exit_barriers): New.
9890 (expand_omp_synch): New.
9891 (expand_omp): New.
9892 (build_omp_regions_1): New.
9893 (build_omp_regions): New.
9894 (execute_expand_omp): New.
9895 (gate_expand_omp): New.
9896 (pass_expand_omp): Define.
9897 (lower_omp_sections): Rename from expand_omp_sections.
9898 Set OMP_SECTIONS_SECTIONS.
9899 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9900 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9901 (lower_omp_single): Rename from expand_omp_simple.
9902 (lower_omp_master): Rename from expand_omp_master.
9903 (lower_omp_ordered): Rename from expand_omp_ordered.
9904 (lower_omp_critical): Rename from expand_omp_critical.
9905 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9906 (lower_omp_for): Re-implement.
9907 (lower_omp_parallel): Re-implement.
9908 (lower_regimplify): Rename from expand_regimplify.
9909 (lower_omp_1): Rename from expand_omp_1.
9910 If there are syntax errors in the program, replace every
9911 OpenMP directive with NOP.
9912 Call lower_omp_* instead of expand_omp_*.
9913 (lower_omp): Rename from expand_omp.
9915 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9916 * tree-gimple.h (enum omp_parallel_type): Remove.
9917 (gimple_boolify): Declare extern.
9918 (find_omp_clause, determine_parallel_type): Remove.
9920 * gimple-low.c (lower_omp_directive): New.
9921 (lower_stmt): Call it.
9922 (record_vars_into): Move from ...
9923 (record_vars): ... here.
9924 Call record_vars_into with current_function_decl.
9926 * gimplify.c (struct gimplify_ctx): Remove fields
9927 combined_pre_p and combined_ctxp. Update users.
9928 (get_formal_tmp_var): Add documentation.
9929 (gimple_boolify): Make extern.
9930 (gimplify_expr_in_ctx): Remove. Update callers.
9931 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9932 will always be a BIND_EXPR.
9933 (gimplify_expr): Handle OMP_RETURN_EXPR.
9934 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9935 (OMP_PARALLEL): Add 3 operands.
9936 (OMP_SECTIONS): Add 1 operand.
9937 (OMP_RETURN_EXPR): Define.
9939 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9940 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9941 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9942 creating a circular free list.
9943 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9945 * tree-flow.h (move_sese_region_to_fn): Declare.
9946 (record_vars_into): Declare.
9947 * tree-cfg.c (make_omp_sections_edges): New.
9948 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9949 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9950 OMP_SECTIONS and OMP_SECTION.
9951 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9952 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9953 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9954 (gather_blocks_in_sese_region): New.
9955 (struct move_stmt_d): Declare.
9956 (move_stmt_r): New.
9957 (move_block_to_fn): New.
9958 (move_sese_region_to_fn): New.
9960 * passes.c (init_optimization_passes): Schedule
9961 pass_expand_omp after pass_init_datastructures.
9963 * tree-ssa-operands.c (get_expr_operands): Handle
9964 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9965 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9967 2006-01-19 Jeff Law <law@redhat.com>
9969 * tree-vrp.c (extract_range_from_assert): Refine the result range
9970 if the variable referenced by the ASSERT_EXPR has a range and
9971 either the tentative result range or the previous range is a
9972 VR_ANTI_RANGE.
9974 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9976 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9978 2006-01-19 Jan Hubicka <jh@suse.cz>
9980 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9982 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9984 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9985 (expand_compound_operation, expand_field_assignment): Fail if the
9986 bit lengths of an extract operation are out of range.
9987 (make_extraction): Compute wanted_inner_mode based on the position
9988 and length of the extraction. Make it extraction_mode for non-constant
9989 positions, and do not modify offset in that case. When generating a
9990 new MEM, use a mode that can hold the extraction while keeping correct
9991 alignment. Remove code that supported MEMs wrapped by USEs.
9992 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9994 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9996 * config/s390/s390.md ("Y", "y"): New mode attribute.
9997 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9998 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9999 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10000 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10001 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10002 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10003 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10004 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10005 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10006 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10007 "addsi3", "subsi3"): Insn patterns removed.
10008 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10009 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10010 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10011 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10012 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10013 "*sub<mode>3_cconly2"): New insn patterns.
10014 ("addsi3", "subsi3"): New expanders.
10016 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10018 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10019 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10020 existing STMT_VINFO_VECTYPE if available.
10021 (vect_mark_relevant): Add special handling for stmts that are
10022 marked as STMT_VINFO_IN_PATTERN_P.
10023 (vect_analyze_loop): Call vect_pattern_recog.
10024 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10025 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10026 stmt_info.
10027 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10028 (vect_recog_func_ptr): New function-pointer type.
10029 * tree-vect-patterns.c: New file.
10030 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10031 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10032 (vect_pattern_recog_1): New functions.
10033 (vect_pattern_recog_funcs): New array of function pointers.
10035 * tree-vectorizer.h (ternary_op): New enum value.
10036 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10037 declaration. Revised documentation. Removed redundant dump prints.
10038 Removed redundant argument. Added support for reduction patterns.
10039 (vectorizable_reduction): Added support for reduction patterns.
10040 (vect_transform_stmt): Added support for patterns.
10042 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10043 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10044 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10045 (expand_widen_pattern_expr): New function.
10046 (init_optabs): Initialize new optabs udot_prod_optab,
10047 sdot_prod_optab.
10048 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10049 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10050 (expand_widen_pattern_expr): New function declaration.
10051 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10052 tree-codes.
10053 * tree-inline.c (estimate_num_insns_1): Added cases for new
10054 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10055 * tree-pretty-print.c (dump_generic_node): Likewise.
10056 (op_prio): Likewise.
10057 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10058 * tree-ssa-operands.c (get_expr_operands): Added case for
10059 DOT_PROD_EXPR.
10060 * tree-vect-patterns.c (widened_name_p): New function.
10061 (vect_recog_dot_prod_pattern): Added function implementation.
10062 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10063 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10064 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10065 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10067 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10068 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10069 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10070 (init_optabs): Initialize new optabs widen_ssum_optab,
10071 widen_usum_optab.
10072 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10073 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10074 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10075 use instead of type of def.
10076 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10077 function implementation.
10078 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10079 widen_ssumv8hi): New.
10081 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10082 patterns.
10084 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10086 PR c/25805
10087 * c-decl.c (add_flexible_array_elts_to_size): New function.
10088 (finish_decl): Use it.
10090 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10092 * diagnostic.h: Include options.h.
10093 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10094 dependancies for diagnostic.h.
10095 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10097 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10099 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10100 (ssa_ro_call_cache_valid): Ditto.
10101 * tree-ssa-alias.c (sort_tags_by_id): New function.
10102 (init_transitive_clobber_worklist): Ditto.
10103 (add_to_worklist): Ditto.
10104 (mark_aliases_call_clobbered): Ditto.
10105 (compute_tag_properties): Ditto.
10106 (set_initial_properties): Ditto.
10107 (compute_call_clobbered): Ditto.
10108 (compute_may_aliases): Call compute_call_clobbered and grouping.
10109 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10110 (compute_flow_insensitive_aliasing): Grouping now happens in our
10111 caller.
10112 (setup_pointers_and_addressables): Remove clobbering related code.
10113 (add_may_alias): Ditto.
10114 (replace_may_alias): Ditto.
10115 (get_nmt_for): Ditto.
10116 (create_global_var):
10117 (is_escape_site): Return an escape_type enumeration.
10118 * tree-flow-inline.h (is_call_clobbered): Global var does not
10119 imply call clobbered.
10120 (mark_call_clobbered): Take a reason for marking this. Remove
10121 marking of globalness, and cache invalidation.
10122 (clear_call_clobbered): Remove cache invalidation code.
10123 * tree-dfa.c (dump_variable): If details is on, dump the reason
10124 for escaping.
10125 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10126 variable.
10127 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10128 (struct var_ann_d): Ditto.
10129 (enum escape_type): New.
10130 (mark_call_clobbered): Adjust prototype.
10131 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10132 are never call clobbered.
10133 Record reasons for escaping.
10134 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10135 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10136 (ssa_ro_call_cache_valid): Ditto.
10137 (clobbered_v_may_defs): Ditto.
10138 (clobbered_vuses): Ditto.
10139 (ro_call_vuses): Ditto.
10140 (clobber_stats): New.
10141 (init_ssa_operands): Zero out clobber stats.
10142 (fini_ssa_operands): Print out clobber stats.
10143 (get_call_expr_operands): Pass callee fndecl to
10144 add_call_read_ops).
10145 (add_call_clobber_ops): Remove use of cache.
10146 Add use of PURE_CONST information.
10147 (add_call_read_ops): Remove use of cache.
10148 Add use of static not_read information.
10150 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10152 Introduce TLS descriptors for i386 and x86_64.
10153 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10154 (TARGET_ANY_GNU_TLS): New macro.
10155 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10156 (struct machine_function): Add tls_descriptor_call_expanded_p.
10157 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10158 (ix86_current_function_calls_tls_descriptor): Likewise.
10159 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10160 (override_options): Introduce gnu2 tls dialect.
10161 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10162 not leaves.
10163 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10164 Likewise.
10165 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10166 (ix86_init_machine_status): Initialize new field.
10167 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10168 (ix86_tls_module_base): New.
10169 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10170 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10171 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10172 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10173 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10174 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10175 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10176 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10177 * config/i386/predicates.md (tls_modbase_operand): New.
10178 (tp_or_register_operand): New.
10180 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10182 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10183 (look_for_address_of): Ditto.
10184 (ipa_init): Walk the function decls.
10185 (static_execute): Don't set readonly on FUNCTION_DECL's.
10187 2006-01-18 Roger Sayle <roger@eyesopen.com>
10189 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10190 for shifts where the source and destination registers are different.
10192 2006-01-18 Paul Brook <paul@codesourcery.com>
10194 Merge from csl-arm-branch.
10195 2005-03-14 Julian Brown <julian@codesourcery.com>
10196 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10197 (aeabi_llsl): Likewise.
10198 (ashrdi3): Likewise.
10199 (aeabi_lasr): Likewise.
10200 (lshrdi3): Likewise.
10201 (aeabi_llsr): Likewise.
10202 2005-03-10 Julian Brown <julian@codesourcery.com>
10203 * config.gcc: Disable shared libgcc for SymbianOS.
10204 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10206 2006-01-18 DJ Delorie <dj@redhat.com>
10208 * c-pragma.c (handle_pragma_diagnostic): New.
10209 (init_pragma): Register it.
10210 * doc/extend.texi: Document it.
10212 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10213 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10214 (diagnostic_context): Add classify_diagnostic[].
10215 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10216 as errors if they're overridden to DK_WARNING.
10217 (diagnostic_initialize): Initialize classify_diagnostic[].
10218 (diagnostic_set_kind_override): New.
10219 (diagnostic_report_diagnostic): Check for kind changes.
10220 * opts.c (common_handle_option): Take lang_mask. Update callers.
10221 Handle OPT_Werror_.
10222 * common.opt (Werror=): New.
10223 * doc/invoke.texi: Document -Werror=*
10225 2006-01-18 Jeff Law <law@redhat.com>
10227 * tree-vrp.c (test_for_singularity): Correct test for new
10228 min limit. Use operand_equal_p rather than pointer equality
10229 for testing if new min/max values are equal.
10231 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10232 using range information until after propagation and folding.
10234 2006-01-18 Richard Henderson <rth@redhat.com>
10235 Aldy Hernandez <aldyh@redhat.com>
10236 Jakub Jelinek <jakub@redhat.com>
10237 Diego Novillo <dnovillo@redhat.com>
10239 * omp-low.c: New file.
10240 * c-omp.c: New file.
10242 2006-01-18 Richard Henderson <rth@redhat.com>
10243 Jakub Jelinek <jakub@redhat.com>
10244 Diego Novillo <dnovillo@redhat.com>
10246 * doc/invoke.texi: Document -fopenmp.
10247 * tree-dump.h (debug_function): Declare.
10248 * hooks.c (hook_bool_tree_bool_false): New function.
10249 (hook_tree_tree_null): Remove.
10250 (hook_tree_tree_tree_null): New.
10251 * hooks.h: Update to match.
10252 * tree-pretty-print.c (debug_tree_chain): New.
10253 (print_generic_expr): Handle TDF_CHAIN.
10254 (dump_generic_node): Handle BLOCK.
10255 Do not abort with incomplete SWITCH_EXPRs.
10256 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10257 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10258 print space after directive name.
10259 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10260 Handle OMP_MASTER and OMP_ORDERED.
10261 Handle printing of OMP_BODY just in one place, goto
10262 dump_omp_body in the rest of OMP_* nodes that have
10263 OMP_BODY.
10264 Don't handle clause nodes here. Update omp statements to
10265 use dump_omp_clauses.
10266 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10267 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10268 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10269 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10270 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10271 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10272 Adjust output for GOMP_PARALLEL.
10273 (dump_omp_clauses): New.
10274 (print_declaration): Dump DECL_VALUE_EXPR.
10275 (op_symbol_1): Split out of op_symbol.
10276 (dumping_stmts): Remove. Update all users.
10277 * cgraph.c (cgraph_analyze_queue): New.
10278 (cgraph_add_new_function): New.
10279 * cgraph.h (cgraph_analyze_queue): Declare.
10280 (cgraph_add_new_function): Declare.
10281 (cgraph_lower_function): Remove.
10282 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10283 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10284 and TYPE_P nodes in its default clause.
10285 (empty_body_p): New.
10286 (tree_range_check_failed): New.
10287 (build5_stat): New.
10288 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10289 OMP_CLAUSE_REDUCTION_MERGE,
10290 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10291 OMP_CLAUSE_PRIVATE_DEBUG,
10292 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10293 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10294 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10295 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10296 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10297 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10298 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10299 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10300 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10301 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10302 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10303 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10304 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10305 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10306 (TREE_RANGE_CHECK): New.
10307 (empty_body_p): Declare.
10308 (enum omp_clause_default_kind): New.
10309 (build_string_literal): Declare.
10310 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10311 (build5_stat, build5): Declare.
10312 * tree-pass.h (TDF_CHAIN): Define.
10313 * tree-pass.h (PROP_gimple_lomp): Define.
10314 (pass_lower_omp): Declare.
10315 * diagnostic.h (debug_tree_chain): Declare.
10316 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10317 mode_for_size.
10318 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10319 * builtins.c (build_string_literal): Make extern.
10320 * gcc.c (include_spec_function): New.
10321 (static_spec_functions): Add it.
10322 (main): Move load of libgomp.spec ...
10323 (LINK_COMMAND_SPEC): ... here.
10324 (link_gomp_spec): New.
10325 (static_specs): Include it.
10326 (LINK_COMMAND_SPEC): Add link_gomp.
10327 (GOMP_SELF_SPECS): New.
10328 (driver_self_specs): Include it.
10329 (switch_matches): Don't mark inline.
10330 (main): Load libgomp.spec.
10331 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10332 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10333 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10334 * tree-gimple.h (enum omp_parallel): Declare.
10335 (determine_parallel_type): Declare.
10336 (omp_firstprivatize_variable): Declare.
10337 (omp_reduction_init): Declare.
10338 (diagnose_omp_structured_block_errors): Declare.
10339 (struct walk_stmt_info): Add want_return_expr.
10340 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10341 (find_omp_clause): Declare.
10342 (insert_field_into_struct): Declare.
10343 (struct walk_stmt_info): Move from tree-nested.c
10344 (walk_stmts): Declare.
10345 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10346 to 200505.
10347 * cgraphunit.c (cgraph_lower_function): Make static.
10348 (cgraph_finalize_pending_functions): New.
10349 (cgraph_finalize_function): Call it.
10350 (cgraph_finalize_compilation_unit): Likewise.
10351 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10352 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10353 (BT_FN_UINT_UINT): New.
10354 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10355 DEF_FUNCTION_TYPE_VAR_4): Document.
10356 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10357 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10358 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10359 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10360 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10361 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10362 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10363 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10364 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10365 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10366 into separate files.
10367 (DEF_GOMP_BUILTIN): New.
10368 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10369 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10370 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10371 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10372 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10373 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10374 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10375 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10376 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10377 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10378 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10379 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10380 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10381 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10382 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10383 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10384 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10385 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10386 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10387 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10388 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10389 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10390 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10391 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10392 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10393 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10394 * sync-builtins.def: New file, moved from builtins.def.
10395 * omp-builtins.def: New file, moved from builtins.def.
10396 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10397 * gimple-low.c (lower_function_body): Clear data.
10398 (lower_stmt): Do not handle COMPOUND_EXPR.
10399 Remove call to print_node_brief.
10400 * c-tree.h (c_finish_omp_clauses): New prototype.
10401 (C_DECL_THREADPRIVATE_P): Define.
10402 (lookup_name_no_remap, c_omp_remap_private): Remove
10403 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10404 (check_for_loop_decls): Update decl.
10405 (lookup_name_no_remap, c_omp_remap_private): Declare.
10406 (build_indirect_ref, build_modify_expr, pushdecl,
10407 pushdecl_top_level): Move to c-common.h.
10408 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10409 before the switch, but just in the 2 places that need it.
10410 * c-decl.c (diagnose_mismatched_decls): Do not check for
10411 mismatched thread-local attributes when OLDDECL is marked
10412 threadprivate and NEWDECL has no thread-local attributes.
10413 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10414 (c_gimple_diagnostics_recursively): Rename from
10415 c_warn_unused_result_recursively. Invoke
10416 diagnose_omp_structured_block_errors.
10417 (check_for_loop_decls): Return a singular decl found.
10418 * langhooks.c (lhd_omp_predetermined_sharing): Return
10419 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10420 (lhd_omp_firstprivatize_type_sizes): New.
10421 (lhd_omp_assignment): New.
10422 (lhd_omp_predetermined_sharing): New.
10423 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10424 (struct lang_hooks_for_types): Add
10425 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10426 omp_predetermined_sharing, omp_disregard_value_expr,
10427 omp_private_debug_clause, omp_clause_default_ctor,
10428 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10429 (c_finish_omp_clauses): New.
10430 (c_finish_bc_stmt): Diagnose break within omp for.
10431 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10432 (build_unary_op): Return error_mark after reporting
10433 a readonly_error.
10434 (build_modify_expr): Likewise.
10435 * gimplify.c: Include optabs.h and pointer-set.h.
10436 (enum gimplify_omp_var_data): Declare.
10437 (struct gimplify_omp_ctx): Declare.
10438 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10439 and combined_ctxp.
10440 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10441 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10442 (splay_tree_compare_decl_uid): New.
10443 (new_omp_context): New.
10444 (delete_omp_context): New.
10445 (gimple_add_tmp_var): Call omp_add_variable.
10446 (gimplify_bind_expr): Likewise.
10447 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10448 true, disregard DECL_VALUE_EXPR on the decl if any.
10449 (gimplify_expr_in_ctx): New.
10450 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10451 omp_add_variable, omp_notice_variable, omp_is_private
10452 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10453 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10454 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10455 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10456 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10457 gimplify_omp_atomic): New.
10458 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10459 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10460 OMP_CRITICAL and OMP_ATOMIC.
10461 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10462 * c-pragma.h (enum pragma_kind): Add
10463 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10464 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10465 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10466 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10467 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10468 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10469 PRAGMA_OMP_THREADPRIVATE.
10470 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10471 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10472 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10473 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10474 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10475 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10476 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10477 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10478 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10479 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10480 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10481 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10482 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10483 OpenMP directives.
10484 (struct nesting_info): Add field_map,
10485 suppress_expansion, debug_var_chain.
10486 (create_nesting_tree): Initialize them.
10487 (lookup_field_for_decl): Use field_map.
10488 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10489 (convert_local_omp_clauses): New.
10490 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10491 (walk_body): Split out of walk_function.
10492 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10493 (convert_nonlocal_reference): Handle omp statements.
10494 (convert_local_reference): Likewise.
10495 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10496 (unnest_nesting_tree): New.
10497 (lower_nested_functions): Call it.
10498 (insert_field_into_struct): Make extern.
10499 (struct walk_stmt_info): Move to tree-gimple.h.
10500 (walk_stmts): Make extern.
10501 * omp-builtins.def: New file.
10502 * tree-iterator.c (expr_only): Clarify comment.
10503 * c-common.h (pushdecl_top_level, pushdecl,
10504 build_modify_expr, build_indirect_ref,
10505 c_finish_omp_master, c_finish_omp_critical,
10506 c_finish_omp_ordered, c_finish_omp_barrier,
10507 c_finish_omp_atomic, c_finish_omp_flush,
10508 c_finish_omp_for, c_split_parallel_clauses,
10509 omp_clause_default_kind, c_omp_sharing_predetermined,
10510 c_omp_remap_decl): Declare.
10511 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10512 (OBJS-common): Add omp-low.o.
10513 (c-omp.o, omp-low.o): Add.
10514 (gimplify.o): Add dependency on $(OPTABS_H).
10515 (GTFILES): Add omp-low.c.
10516 (gt-stringpool.h): Add.
10517 * tree-cfg.c (set_bb_for_stmt): Do not update the
10518 block-to-labels map if we are currently expanding to RTL.
10519 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10520 checks.
10521 Handle IDENTIFIER_NODE.
10522 (tree_verify_flow_info): Do not ICE when emitting error
10523 messages about invalid labels.
10524 (dump_function_to_file): Reset CFUN before emitting the body
10525 of the function.
10526 (debug_function): New.
10527 * passes.c (init_optimization_passes): Schedule
10528 pass_lower_omp.
10529 * langhooks-def.h (lhd_omp_predetermined_sharing,
10530 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10531 Declare.
10532 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10533 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10534 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10535 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10536 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10537 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10538 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10539 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10540 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10541 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10542 (LANG_HOOK_DECLS): Use them.
10544 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10545 Richard Henderson <rth@redhat.com>
10546 Jakub Jelinek <jakub@redhat.com>
10547 Diego Novillo <dnovillo@redhat.com>
10549 * c-parser.c (pragma_omp_clause): Define.
10550 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10551 (c_parser_compound_statement): Likewise.
10552 (c_parser_statement): Likewise.
10553 (c_parser_pragma): Handle omp pragmas.
10554 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10555 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10556 (c_parser_omp_clause_name, check_no_duplicate_clause,
10557 c_parser_omp_variable_list,
10558 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10559 c_parser_omp_clause_copyprivate,
10560 c_parser_omp_clause_default,
10561 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10562 c_parser_omp_clause_lastprivate,
10563 c_parser_omp_clause_nowait,
10564 c_parser_omp_clause_num_threads,
10565 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10566 c_parser_omp_clause_reduction,
10567 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10568 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10569 c_parser_omp_atomic, c_parser_omp_barrier,
10570 c_parser_omp_critical, c_parser_omp_flush,
10571 c_parser_omp_for_loop, c_parser_omp_for,
10572 c_parser_omp_master, c_parser_omp_ordered,
10573 c_parser_omp_sections_scope, c_parser_omp_sections,
10574 c_parser_omp_parallel, c_parser_omp_single,
10575 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10576 * c-pragma.c (init_pragma): Do omp pragma registration here.
10577 * c.opt (fopenmp): New flag.
10579 2006-01-18 Eric Christopher <echristo@apple.com>
10581 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10582 * config/darwin.h (GOMP_SELF_SPECS): Define.
10584 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10586 * rtl.h: Remove the prototype for reg_alloc.
10588 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10590 PR target/25731
10591 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10592 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10593 sjlj and dwarf2 exception handling.
10594 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10595 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10596 * pa/pa.c (function_value): Treat complex and vector types as
10597 aggregates.
10598 (function_arg): Likewise. Only pass scalar floats in the floating
10599 point argument registers.
10600 * pa/t-slibgcc-dwarf-ver: New file.
10601 * pa/t-slibgcc-sjlj-ver: New file.
10602 * pa/t-slibgcc-elf-ver: Delete file.
10604 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10606 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10607 unlikely_test_section_p test.
10609 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10611 * mode-switching.c (optimize_mode_switching): Make it static.
10612 * basic-block.h: Remove the prototype for
10613 optimize_mode_switching.
10615 * modulo-sched.c (sms_schedule): Make it static.
10616 * rtl.h: Remove the prototype for sms_schedule.
10618 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10619 * rtl.h: Remove the prototype for gcse_after_reload_main.
10621 * reg-stack.c (reg_to_stack): Make it static.
10622 * rtl.h: Remove the prototype for reg_to_stack.
10624 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10625 Make them static.
10626 * rtl.h: Remove the prototypes for regrename_optimize and
10627 copyprop_hardreg_forward.
10629 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10631 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10632 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10633 Test against the appropriate null constant for the mode.
10634 If 'fixup_overlap' is true, swap the operands if they overlap.
10635 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10636 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10637 alpha_split_tmode_pair and adjust for above change.
10638 * config/alpha/alpha.md (movtf_internal): Adjust call to
10639 alpha_split_tfmode_pair and rely on it to swap the operands.
10640 (movti_internal): New insn and post-reload splitter.
10641 (movti): New expander.
10643 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10645 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10646 operands.
10648 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10650 * rtlanal.c (global_reg_mentioned_p_1,
10651 global_reg_mentioned_p): Remove.
10652 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10654 * flow.c (initialize_uninitialized_subregs): Make it static.
10655 * rtl.h: Remove the prototype for
10656 initialize_uninitialized_subregs.
10658 * function.c (instantiate_virtual_regs): Make it static.
10659 * function.h: Remove the prototype for
10660 instantiate_virtual_regs.
10662 * regmove.c (regmove_optimize, combine_stack_adjustments):
10663 Make them static.
10664 * rtl.h: Remove the prototypes for regmove_optimize and
10665 combine_stack_adjustments.
10667 2006-01-17 Roger Sayle <roger@eyesopen.com>
10669 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10670 (size_cost): Encode costs in bytes so that a reg-reg addition is
10671 equivalent to COSTS_N_INSNS(1).
10672 (override_options): Use the size_cost.branch_cost as the default
10673 ix86_branch_cost when optimizing for size.
10675 2006-01-18 Ben Elliston <bje@au.ibm.com>
10677 * Makefile.in (D32PBIT_FUNCS): New.
10678 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10679 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10680 D64PBIT_FUNCS and D128PBIT_FUNCS.
10681 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10682 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10683 D128PBIT are set.
10684 (decnumber_dep): Define.
10685 * doc/libgcc.texi (Decimal float library routines): New node.
10686 * config/dfp-bit.h, config/dfp-bit.c: New files.
10688 2006-01-18 Ben Elliston <bje@au.ibm.com>
10690 * expr.c (emit_move_change_mode): Always adjust addresses, not
10691 just during reload. Copy replacements only during reload.
10692 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10693 emit_move_via_integer.
10695 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10697 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10698 instead of $(srcdir) and ${srcdir}.
10700 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10702 PR target/592
10703 PR middle-end/11135
10704 * arm.h (struct machine_function): Add pic_reg.
10705 * arm.c (arm_pic_register): Make unsigned.
10706 (arm_override_options): Only set arm_pic_register if
10707 TARGET_SINGLE_PIC_BASE.
10708 (use_return_insn): Only test for a pic register if it is fixed.
10709 (arm_compute_save_reg0_reg12_mask): Likewise.
10710 (thumb_compute_save_reg_mask): Likewise.
10711 (legitimate_pic_operand): Factor out some known invariants.
10712 (legitimize_pic_address): If we don't have a fixed pic register,
10713 then set up a pseudo in the function entry sequence. Handle the
10714 pic base being in a pseudo.
10715 (arm_load_pic_register): Handle the pic register being in a pseudo.
10716 (arm_expand_prologue): Only set up the pic register if it is fixed.
10717 (thumb_expand_prologue): Likewise.
10718 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10719 (pic_load_addr_based_insn): Likewise.
10720 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10721 fixed.
10723 2006-01-18 Ben Elliston <bje@au.ibm.com>
10725 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10726 decimal float modes for all floating point registers.
10728 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10729 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10731 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10733 PR c/25682
10734 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10735 even when the pointer is not NULL.
10737 2006-01-16 Ian Lance Taylor <ian@airs.com>
10739 * common.opt (ftoplevel-reorder): New option.
10740 * cgraph.c (cgraph_asm_nodes): New global variable.
10741 (cgraph_asm_last_node): New static variable.
10742 (cgraph_order): New global variable.
10743 (cgraph_create_node): Set new order field.
10744 (cgraph_varpool_node): Likewise.
10745 (decide_is_variable_needed): Return true if not
10746 flag_toplevel_reorder.
10747 (cgraph_add_asm_node): New function.
10748 * cgraph.h (struct cgraph_node): Add order field.
10749 (struct cgraph_varpool_node): Add order field.
10750 (struct cgraph_asm_node): Define.
10751 (cgraph_asm_nodes, cgraph_order): Declare.
10752 (cgraph_add_asm_node): Declare.
10753 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10754 function.
10755 (cgraph_varpool_assemble_pending_decls): Call it.
10756 (cgraph_output_pending_asms): New static function.
10757 (cgraph_finalize_compilation_unit): Call it.
10758 (struct cgraph_order_sort): Define.
10759 (cgraph_output_in_order): New static function.
10760 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10761 !flag_toplevel_reorder case.
10762 * c-parser.c: Include "cgraph.h".
10763 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10764 assemble_asm.
10765 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10766 than -fno-unit-at-a-time.
10767 * doc/invoke.texi (Option Summary): Mention
10768 -fno-toplevel-reorder.
10769 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10770 -funit-at-a-time documentation.
10772 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10773 Kazu Hirata <kazu@codesourcery.com>
10775 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10777 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10779 * Makefile.in (FUNCTION_H): New. Use it instead of
10780 function.h throughout the file.
10781 * function.h: Include tree.h.
10783 2006-01-17 Ben Elliston <bje@au.ibm.com>
10785 * recog.c: Separate some functions with whitespace.
10787 2006-01-16 Richard Henderson <rth@redhat.com>
10789 Merge from gomp branch:
10790 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10791 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10792 and rename from struct inline_data. Rename callee* to dst*;
10793 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10794 transform_new_cfg, transform_return_to_modify, and
10795 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10796 update_clones_p.
10797 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10798 (copy_decl_for_dup): Remove.
10799 * tree-inline.c (struct inline_data): Move to header.
10800 (insert_decl_map): Export.
10801 (remap_decl): Update for member name changes. Use copy_decl hook.
10802 Allow for replacement to be a non-decl. Remove dead code.
10803 (remap_type_1): Check for existing mapping.
10804 (remap_type): Export.
10805 (remap_decls): Update for member name changes.
10806 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10807 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10808 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10809 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10810 (tree_function_versioning, build_duplicate_type): Likewise.
10811 (copy_body_r): Likewise. Export.
10812 (copy_decl_for_dup): Split into ...
10813 (copy_decl_for_dup_finish, copy_decl_to_var,
10814 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10815 (replace_ref_tree, inlining_p): Remove.
10817 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10819 * ifcvt.c (if_convert): Make it static.
10820 * rtl.h: Remove the prototype for if_convert.
10822 * local-alloc.c (local_alloc): Make it static.
10823 * rtl.h: Remove the prototype for local_alloc.
10825 * loop.c (loop_optimize): Make it static.
10826 * cfgloop.h: Remove the prototype for loop_optimize.
10827 * rtl.h: Likewise.
10829 2006-01-16 DJ Delorie <dj@redhat.com>
10831 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10832 mems.
10834 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10836 * pa.md: Disparage copies between general and floating-point registers
10837 in 32-bit move patterns.
10839 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10841 PR testsuite/25741
10842 * Makefile.in (check-%): Depend on site.exp instead of
10843 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10844 directories.
10846 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10848 * global.c (global_alloc): Make it static.
10849 * rtl.h: Remove the prototype for global_alloc.
10851 2006-01-16 Richard Guenther <rguenther@suse.de>
10853 * tree-ssa-alias.c (struct used_part): Add write_only field.
10854 (get_or_create_used_part_for): Initialize it to true.
10855 (create_overlap_variables_for): Don't create structure variables
10856 for structures that only are written to.
10857 (find_used_portions): Handle MODIFY_EXPR to track whether a
10858 structure is only written to.
10860 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10862 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10863 static.
10864 * basic-block.h: Remove the prototype for
10865 partition_hot_cold_basic_blocks.
10867 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10869 * cppspec.c (lang_specific_spec_functions): Remove.
10870 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10871 * gcc.h (lang_specific_spec_functions): Remove.
10872 * gccspec.c (lang_specific_spec_functions): Remove.
10874 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10876 * combine.c (record_value_for_reg): Invalidate registers
10877 if INSN is null.
10878 (record_dead_and_set_regs_1): Likewise, by passing them to
10879 record_value_for_reg.
10880 (record_dead_and_set_regs): Invalidate stores made by a
10881 call. We do not combine across a call, but we still
10882 relied on equivalences.
10884 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10886 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10887 vrp_int_const_binop returning non-constant nodes.
10889 2006-01-16 Paul Brook <paul@codesourcery.com>
10891 * config/m68k/m68k.c (output_move_const_into_data_reg):
10892 Output correct mnemonic for mvz and mvs.
10894 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10896 * rtl-factoring.c: Add sequence abstraction algorithm.
10897 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10898 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10899 ABNORMAL edges.
10900 (block_has_preserve_label): New function.
10901 * common.opt: Register new pass.
10902 * Makefile.in: Ditto.
10903 * passes.c: Ditto.
10904 * timevar.def: Ditto.
10905 * tree-pass.h: Ditto.
10906 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10907 * rtl.h (make_jump_insn_raw): Add forward decl.
10908 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10910 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10911 Roger Sayle <roger@eyesopen.com>
10913 * fold-const.c (fold_minmax): New static function.
10914 (fold_binary) <MIN_EXPR>: Call it.
10915 <MAX_EXPR>: Likewise.
10916 * stor-layout.c (place_field): Use DECL_SIZE consistently
10917 in the computation of the new record size.
10919 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10921 * cse.c (cse_condition_code_reg): Make it static.
10922 * rtl.h: Remove the prototype for cse_condition_code_reg.
10924 * combine.c (combine_instructions): Make it static.
10925 * rtl.h: Remove the prototype for combine_instructions.
10927 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10929 PR target/25168
10930 * tree.c (get_file_function_name_long): Concatenate the first global
10931 object name with a string derived from the input filename of the object
10932 for type "F".
10934 2006-01-16 Ben Elliston <bje@au.ibm.com>
10936 * config/i386/winnt-stubs.c: Update FSF address.
10937 * config/xtensa/ieee754-df.S: Ditto.
10938 * config/xtensa/ieee754-sf.S: Ditto.
10940 2006-01-14 Ian Lance Taylor <ian@airs.com>
10942 * ifcvt.c (noce_init_if_info): New static function, broken out of
10943 noce_process_if_block.
10944 (noce_process_if_block): Call noce_init_if_info.
10945 (check_cond_move_block): New static function.
10946 (cond_move_process_if_block): New static function.
10947 (process_if_block): Call cond_move_process_if_block.
10949 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10951 * cselib.c (hash_table): Rename to cselib_hash_table.
10952 (cselib_clear_table, discard_useless_values,
10953 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10954 cselib_init, cselib_finish): Adjust uses of hash_table.
10956 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10958 PR tree-optimization/25485
10959 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10960 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10961 is known to be false and true, respectively.
10963 2006-01-14 Richard Guenther <rguenther@suse.de>
10965 PR tree-optimization/22548
10966 PR tree-optimization/22555
10967 PR tree-optimization/22501
10968 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10969 * params.def (salias-max-array-elements): New parameter.
10970 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10971 * doc/invoke.texi (salias-max-array-elements): Document.
10972 * tree-flow-inline.h (var_can_have_subvars): We also handle
10973 arrays now.
10974 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10975 COMPONENT_REF.
10976 * tree-ssa-structalias.c (params.h): Include.
10977 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10978 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10979 (get_constraint_for): For ADDR_EXPR operating on something
10980 containing an ARRAY_REF, add all subvars to the solution.
10981 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10982 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10983 for creating MUST_DEFs.
10984 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10986 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10988 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10989 functions.
10990 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10991 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10992 number_of_iterations_le): New functions.
10993 (number_of_iterations_special): Removed.
10994 (number_of_iterations_exit): Do not use number_of_iterations_special.
10995 * tree.c (unsigned_type_for): Always return integer type.
10997 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10998 Richard Guenther <rguenther@suse.de>
11000 PR rtl-optimization/24257
11001 * gcse.c (find_moveable_store): Only consider a store movable
11002 when the SET_SRC of the insn can be assigned to a register.
11004 2006-01-14 Ian Lance Taylor <ian@airs.com>
11006 * tree.c (tree_not_class_check_failed): New function.
11007 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11008 (tree_not_class_check_failed): Declare.
11010 2006-01-13 Ian Lance Taylor <ian@airs.com>
11012 * reload1.c (do_output_reload): Add assertion rejecting a
11013 CALL_INSN.
11015 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11017 * combine.c (struct reg_stat): Add new fields truncation_label and
11018 truncated_to_mode.
11019 (record_value_for_reg): Reset truncated_to_mode.
11020 (record_truncated_value): New function.
11021 (check_promoted_subreg): Call it. Rename to check_conversions.
11022 (combine_instructions): Rename check_promoted_subreg to
11023 check_conversions.
11024 (reg_truncated_to_mode): New function.
11025 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11026 (gen_lowpart_or_truncate): New function.
11027 (force_to_mode): Use it instead of gen_lowpart.
11029 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11031 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11032 VAR is a tag, not its type tag.
11034 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11036 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11037 alternatives to match style of other entries.
11038 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11040 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11042 PR tree-optimization/25771
11043 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11044 SSA_NAMES.
11046 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11048 PR tree-opt/24365
11049 * tree-inline.c (declare_return_variable): If the return variable
11050 was marked as a non gimple complex, set the return slot variable
11051 to be a non gimple comple variable.
11053 2006-01-13 Richard Guenther <rguenther@suse.de>
11055 * builtins.c (expand_builtin_sincos): New function.
11056 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11057 do not set errno.
11058 (expand_builtin): Expand sincos using expand_builtin_sincos.
11060 2006-01-12 DJ Delorie <dj@redhat.com>
11062 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11063 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11064 so that constant shifts can be split.
11065 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11066 (m32c_valid_pointer_mode): Make static.
11067 (shift_gen_func_for): New.
11068 (m32c_prepare_shift): Use it. Split large const shifts into
11069 multiple shifts.
11070 * config/m32c/predicates.md (shiftcount_operand): Allow more
11071 general operands.
11072 (longshiftcount_operand): New.
11073 * doc/md.texi (Machine Constraints): Document In6.
11075 2006-01-13 Ben Elliston <bje@au.ibm.com>
11077 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11078 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11079 documentation.
11081 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11083 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11084 to try to avoid clobbering pieces of structures when we know
11085 something about the whole structure.
11086 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11088 2006-01-13 Ben Elliston <bje@au.ibm.com>
11090 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11091 return in memory, as this is no limitation is no longer present.
11093 2006-01-12 DJ Delorie <dj@redhat.com>
11095 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11096 mova with fb, and for fb+0 -> An.
11098 * config/m32c/mov.md (peephole2): Fix enabling logic.
11100 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11101 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11102 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11103 FINI_ARRAY_SECTION_ASM_OP): Define.
11105 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11106 variable.
11107 (m32c_legitimize_reload_address): New logic to reload FB to An.
11108 (m32c_output_reg_push): Add newline.
11109 (m32c_output_reg_pop): Likewise.
11111 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11113 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11115 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11117 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11119 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11121 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11122 match_code.
11124 2006-01-11 Ben Elliston <bje@au.ibm.com>
11126 * rtlanal.c (find_reg_note): Assert insn is not null.
11128 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11130 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11131 ifdef.
11133 2006-01-11 Jeff Law <law@redhat.com>
11135 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11136 hold edge pairs.
11137 (mark_threaded_blocks, register_jump_thread): New functions.
11138 (thread_through_all_blocks): Remove unwanted argument. No
11139 longer rely on e->aux to communicate thread target info.
11140 Call mark_threaded_blocks. Release the threaded_blocks
11141 bitmap and threaded_edges vector when complete.
11142 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11143 (threaded_blocks): Remove.
11144 (tree_ssa_dominator_optimize): Remove initialization and
11145 finalization of threaded_blocks. Simplify call to
11146 thread_through_all_blocks.
11147 (thread_across_edge): Call register_jump_thread rather than
11148 storing thread information into e->aux.
11149 (free_all_edge_infos): Simplify now that e->aux is no longer
11150 used to communicate with thread_through_all_blocks.
11151 * tree-flow.h (thread_through_all_blocks): Update prototype.
11152 (register_jump_thread): Prototype.
11154 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11156 * df-core.c (df_compact_blocks, df_bb_replace): Use
11157 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11159 2006-01-11 Richard Guenther <rguenther@suse.de>
11161 PR tree-optimization/25734
11162 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11163 stop propagation after successful propagation to the LHS.
11165 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11167 * basic-block.h (control_flow_graph): Change the type of
11168 x_basic_block_info to VEC(basic_block,gc) *.
11169 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11170 basic_block_info.
11171 (SET_BASIC_BLOCK): New.
11172 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11173 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11174 * cfgbuild.c (find_basic_blocks): Likewise.
11175 * cfglayout.c (fixup_reorder_chain): Likewise.
11176 * cfgrtl.c (create_basic_block_structure,
11177 rtl_create_basic_block): Likewise.
11178 * ifcvt.c (find_if_case_1): Likewise.
11179 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11180 Likewise.
11182 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11184 * Makefile.in: Removed rotted odf.c entry.
11186 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11188 PR target/25706
11189 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11190 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11191 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11192 output pattern modifier, not %e.
11193 * config/cris/cris.c (cris_op_str): Update comment about pattern
11194 modifier.
11195 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11196 before falling through into...
11197 <case 'E'>: Redefined from old 'e' case.
11199 2006-01-11 Jan Hubicka <jh@suse.cz>
11201 PR target/25042
11202 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11204 2006-01-11 Jan Hubicka <jh@suse.cz>
11206 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11207 * i386.c (x86_decompose_lea): Kill.
11208 (ix86_rtx_costs): Kill.
11210 2006-01-11 Jan Hubicka <jh@suse.cz>
11212 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11213 * cgraph.h (cgraph_node): Add inline_decl.
11214 (cgraph_insert_node_to_hashtable): Declare.
11215 (save_inline_function_body): Declare.
11216 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11217 clones.
11218 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11219 (cgraph_function_versioning): Update call of tree_function_versioning.
11220 (save_inline_function_body): New function.
11221 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11222 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11223 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11224 (cgraph_default_inline_p): Likewise.
11225 (cgraph_decide_inlining_incrementally): Likewise.
11226 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11227 (copy_bb): Kill saving; do updating of clones.
11228 (copy_cfg_body): Kill saving.
11229 (initialize_inlined-parameters): Likewise.
11230 (expand_call_inline): Likewise.
11231 (save_body): Kill.
11232 (tree_function_versioning): New parameter "update_clones".
11233 (inlining_p): Kill saving.
11234 * tree-inline.h (tree_function_versioning): Update prototype.
11235 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11236 saving.
11238 2006-01-11 Ian Lance Taylor <ian@airs.com>
11240 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11241 Allow undoing set of machine mode.
11242 (do_SUBST): Use enums instead of is_int.
11243 (do_SUBST_MODE): New function.
11244 (SUBST_MODE): New macro.
11245 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11246 reg and trying to replace reg_regno_rtx with a new register.
11247 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11248 (simplify_set): Use SUBST_MODE.
11249 (distribute_notes): Remove code that tried to update reg notes
11250 for regno_reg_rtx changes.
11252 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11254 PR tree-optimization/23109
11255 PR tree-optimization/23948
11256 PR tree-optimization/24123
11258 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11259 * tree-cfg.c (single_noncomplex_succ): New.
11260 * tree-flow.h (single_noncomplex_succ): Declare it.
11261 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11262 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11263 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11264 insert_bb, register_division_in, insert_reciprocals,
11265 replace_reciprocal, free_bb): New.
11266 (execute_cse_reciprocals_1): Rewritten.
11267 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11268 Do not commit any edge insertion. Always compute dominators and
11269 create the allocation pool.
11270 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11271 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11272 * targhooks.c (default_min_divistions_for_recip_mul): New.
11273 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11274 * passes.c (init_optimization_passes): Run recip after tree loop
11275 optimizations.
11276 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11278 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11279 Kenneth Zadeck <zadeck@naturalbridge.com>
11281 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11282 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11283 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11284 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11285 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11286 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11287 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11288 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11289 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11290 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11291 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11292 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11293 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11294 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11295 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11296 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11297 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11298 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11299 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11300 DF_SCAN_POST_ALLOC): New macros.
11301 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11302 df_free_bb_function, df_local_compute_function, df_init_function,
11303 df_dataflow_function, df_confluence_function_0,
11304 df_confluence_function_n, df_transfer_function,
11305 df_finalizer_function, df_free_function, df_dump_problem_function,
11306 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11307 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11308 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11309 df_urec_bb_info, ) New types.
11310 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11311 variables.
11312 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11313 df_analyze_simple_change_some_blocks,
11314 df_analyze_simple_change_one_block, df_compact_blocks,
11315 df_bb_replace, df_bb_regno_last_use_find,
11316 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11317 df_insn_regno_def_p, df_find_def, df_find_use,
11318 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11319 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11320 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11321 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11322 debug_df_chain, df_get_dependent_problem, df_chain_create,
11323 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11324 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11325 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11326 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11327 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11328 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11329 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11330 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11331 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11332 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11333 df_reorganize_refs, df_set_state, df_hard_reg_init,
11334 df_read_modify_subreg_p) New public functions.
11335 * df-core.c: The core dataflow solver and glue routines for rtl
11336 dataflow.
11337 (df_init, df_add_problem, df_set_blocks, df_finish,
11338 df_hybrid_search_forward, df_hybrid_search_backward,
11339 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11340 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11341 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11342 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11343 df_reg_defined, df_find_use, df_reg_used, df_dump,
11344 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11345 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11346 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11347 debug_df_useno, reset_df_after_reload): New functions.
11348 * df-scan.c: The scanning fuctions, once in df.c, completely
11349 rewritten so that they now fully model the functionality of
11350 register usage at the backend.
11351 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11352 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11353 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11354 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11355 df_get_artificial_defs, df_get_artificial_uses,
11356 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11357 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11358 df_refs_delete, df_reorganize_refs, df_set_state,
11359 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11360 df_def_record_1, df_defs_record, df_uses_record,
11361 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11362 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11363 df_record_exit_block_uses, df_hard_reg_init): New functions.
11365 * df-problems.c: Seven concrete dataflow problems that use the
11366 scanning in df-scan.c and are solved by the engine in df-core.c.
11367 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11368 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11369 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11370 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11371 df_ru_free_bb_info, df_ru_alloc,
11372 df_ru_bb_local_compute_process_def,
11373 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11374 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11375 df_ru_transfer_function, df_ru_free, df_ru_dump,
11376 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11377 df_rd_free_bb_info, df_rd_alloc,
11378 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11379 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11380 df_rd_transfer_function, df_rd_free, df_rd_dump,
11381 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11382 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11383 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11384 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11385 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11386 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11387 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11388 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11389 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11390 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11391 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11392 df_urec_mark_reg_use_for_earlyclobber,
11393 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11394 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11395 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11396 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11397 df_chain_create_bb_process_use, df_chain_create_bb,
11398 df_chain_finalize, df_chain_free, df_chains_dump,
11399 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11400 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11401 df_reg_lifetime): New functions.
11402 * df.c: Deleted file.
11403 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11404 consistent with new df api.
11405 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11406 rest_of_handle_sms): Ditto.
11407 * web.c (unionfind_union, union_defs, entry_register, web_main):
11408 Ditto.
11409 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11410 invariant_expr_equal_p, find_defs, check_dependencies,
11411 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11412 free_inv_motion_data, move_loop_invariants): Ditto.
11413 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11414 Update dependencies.
11415 (odf.c): Added defective entry that was deleted later in day.
11416 * sched-deps.c (sched_analyze_1): Ditto.
11418 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11420 * tree-ssa-operands.c (get_expr_operands): Record addressable
11421 variables directly. Do not call add_stmt_operands for CONST_DECLs
11422 and ARRAY_DECLs.
11423 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11424 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11426 2006-01-11 Ben Elliston <bje@au.ibm.com>
11428 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11429 function returns true in the positive case.
11431 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11433 PR target/20754
11434 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11435 for SI, DI, SF and DF modes. Add alternatives to copy between
11436 general and floating point registers to the 32-bit patterns.
11437 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11438 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11439 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11440 generating 64-bit code.
11441 * config/pa/pa.c (output_move_double): Handle copies between general
11442 and floating registers.
11444 2006-01-10 Stuart Hastings <stuart@apple.com>
11446 * config/i386/i386.md (set_got): Update.
11447 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11448 (builtin_setjmp_receiver): Mach-O support.
11449 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11450 (GOT_SYMBOL_NAME): Define.
11451 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11452 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11453 * config/i386/i386.c (override_options): Revise for Darwin.
11454 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11455 support. (darwin_x86_file_end): New. (output_set_got): Add label
11456 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11457 * config/i386/i386-protos.h (output_set_got): Likewise.
11458 * config/darwin.c (machopic_legitimize_pic_address): Update
11459 regs_ever_live[].
11461 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11463 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11464 when MODE isn't BLKmode.
11466 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11468 PR rtl-optimization/25367
11469 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11471 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11473 PR target/25718
11474 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11475 for a negative bound.
11477 2006-01-10 Richard Guenther <rguenther@suse.de>
11479 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11480 Never override with anything constraint.
11482 2006-01-10 Jan Beulich <jbeulich@novell.com>
11484 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11485 256 bits when optimize_size.
11487 2006-01-10 Jan Beulich <jbeulich@novell.com>
11489 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11490 MASK_ALIGN_DOUBLE.
11491 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11492 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11493 arguments.
11495 2006-01-10 Ben Elliston <bje@au.ibm.com>
11497 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11498 float modes.
11499 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11500 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11501 (USE_FP_FOR_ARG): Reject decimal float modes.
11502 (function_arg_advance): Likewise.
11503 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11504 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11505 point types in AltiVec vectors.
11506 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11507 (rs6000_libcall_value): Likewise.
11509 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11511 * config/xtensa/ieee754-df.S: New file.
11512 * config/xtensa/ieee754-sf.S: New file.
11513 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11514 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11515 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11517 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11519 * config/sh/predicates.md (binary_float_operator,
11520 binary_logical_operator, commutative_float_operator,
11521 equality_comparison_operator, greater_comparison_operator,
11522 less_comparison_operator, logical_operator,
11523 noncommutative_float_operator, shift_operator,
11524 symbol_ref_operand, unary_float_operator): Remove redundant
11525 conditionals.
11527 2006-01-09 Jeff Law <law@redhat.com>
11529 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11530 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11531 now unused arguments. Callers updated.
11532 (eliminate_redundant_computations): Remove now unused arguments,
11533 callers updated.
11534 (local_fold): Remove, no longer used.
11535 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11536 and moved to...
11537 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11538 (simplify_cond): New function.
11539 (forward_propagate_into_cond): Call simplify_cond.
11541 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11543 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11544 (*vec_extractv2di_1_sse): New.
11546 2006-01-09 Ben Elliston <bje@au.ibm.com>
11548 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11550 2006-01-08 Richard Guenther <rguenther@suse.de>
11552 * tree-ssa-structalias.c (get_constraint_for): Remove
11553 anyoffset argument.
11554 (get_constraint_for_component_ref): Likewise.
11555 (do_deref): Likewise.
11556 (get_constraint_for): Likewise.
11557 (do_structure_copy): Likewise.
11558 (handle_ptr_arith): Likewise.
11559 (find_func_aliases): Likewise. Remove unused need_anyoffset
11560 variable.
11562 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11563 Kaz Kojima <kkojima@gcc.gnu.org>
11565 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11566 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11567 (EXTRA_CONSTRAINT_C16): Remove.
11568 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11569 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11570 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11571 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11572 constants of SHmedia. Handle nested constant expressions of
11573 SHmedia correctly.
11574 (andcosts): Fix the costs for SHmedia constants.
11575 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11576 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11577 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11578 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11579 (movv4hi_i, movv2si_i): Likewise.
11580 (movsi_const): Adjust the second operand of ior so to match with
11581 the Csu constraint.
11582 (movdi_const, movdi_const_32bit): Likewise.
11583 (movdi_const_16bit+1): Don't sign-extend LOW.
11584 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11585 step.
11586 (*double_shori): Fix the split condition. Use GEN_INT instead
11587 of get_int_mode calls. Mask lower 16-bit of the argument of
11588 the last GEN_INT.
11589 (sym2GOTPLT): Remove.
11590 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11591 gen_rtx_UNSPEC.
11592 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11593 instead of EXTRA_CONSTRAINT_C16.
11595 2006-01-07 Ian Lance Taylor <ian@airs.com>
11596 David Edelsohn <edelsohn@gnu.org>
11598 PR rtl-optimization/25662
11599 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11600 for constant operands instead of simplify_gen_binary.
11601 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11602 after trying simplify_binary_operation
11604 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11606 * tree.c (iterative_hash_expr): Hash decls based on UID.
11608 2006-01-06 Eric Christopher <echristo@apple.com>
11610 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11611 (TARGET_UNWIND_EMIT): Fix spelling.
11612 * target.h (gcc_target): Add except_table_label.
11613 * except.c (output_function_exception_table): Use.
11614 * varasm.c (default_emit_except_table_label): New.
11615 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11616 define.
11617 (asm_out): Add here.
11618 * output.h (default_emit_except_table_label): Prototype.
11619 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11620 * config/darwin.c (darwin_emit_except_table_label): Define.
11621 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11623 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11625 PR tree-optimization/18527
11626 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11627 number_of_iterations_special, number_of_iterations_exit):
11628 Move base and step of an iv to a single structure. Add
11629 no_overflow flag, and use it in # of iterations analysis.
11630 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11631 folded_casts argument.
11632 (simple_iv): Pass base and step in a structure. Set no_overflow
11633 flag.
11634 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11635 Evaluate expensiveness of computing # of iterations instead of
11636 the final expression.
11637 * tree-scalar-evolution.h (affine_iv): New structure.
11638 (simple_iv): Declaration changed.
11639 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11640 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11641 find_givs_in_stmt): Changed due to simple_iv change.
11643 2006-01-06 Jeff Law <law@redhat.com>
11645 PR ada/24994
11646 * tree-cfg.c (bsi_replace): Rename final argument from
11647 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11648 change (stmt -> orig_stmt).
11649 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11650 (bsi_remove): Add new argument. Remove EH information
11651 if requested.
11652 (verify_eh_throw_table_statements): New function.
11653 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11654 updated.
11655 * tree-optimize.c (execute_free_cfg_annotations): Verify
11656 the EH throw statement table after removing annotations.
11657 * except.h (verify_eh_throw_table_statements): Prototype.
11658 * tree-flow.h (bsi_remove): Update prototype.
11659 * tree-vrp.c (remove_range_assertions): Add new argument to
11660 bsi_remove call.
11661 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11662 * tree-complex.c (expand_complex_div_wide): Likewise.
11663 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11664 * tree-tailcall.c (eliminate_tailcall): Likewise.
11665 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11666 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11667 * tree-nrv.c (tree_nrv): Likewise.
11668 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11669 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11670 (combine_blocks): Likewise.
11671 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11672 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11673 (cleanup_control_flow): Likewise.
11674 (remove_forwarder_block): Likewise.
11675 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11676 * tree-sra.c (sra_replace): Likewise.
11677 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11678 (forward_propagate_single_use_vars): Likewise.
11679 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11680 * tree-inline.c (expand_call_inline): Likewise.
11681 * tree-vect-transform.c (vect_transform_loop): Likewise.
11682 * tree-outof-ssa.c (rewrite_trees): Likewise.
11683 * tree-cfg.c (make_goto_expr_edges): Likewise.
11684 (cleanup_dead_labels): Likewise.
11685 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11686 (bsi_move_before, bsi_move_after): Likewise.
11687 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11688 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11690 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11692 PR tree-opt/25528
11693 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11694 and IMAGPART_EXPR.
11695 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11696 on non gimple variables. Also add checks at the top for decls and
11697 mtags.
11698 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11699 complex types.
11700 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11701 and IMAGPART_EXPR for creating MUST_DEFs.
11702 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11703 and NAME_MEMORY_TAG separately from the DECLs.
11705 2006-01-06 Richard Guenther <rguenther@suse.de>
11707 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11708 annotation, if necessary.
11709 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11710 redundant calls to update_stmt.
11711 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11712 Likewise.
11714 2006-01-05 Richard Henderson <rth@redhat.com>
11716 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11718 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11720 * c-typeck.c: Update copyright date.
11722 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11724 * c-typeck.c (build_c_cast): Always warn when casting
11725 from a pointer to an integer of different size, even if
11726 the node was constant.
11728 2006-01-05 Richard Guenther <rguenther@suse.de>
11730 PR tree-optimization/22555
11731 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11732 if one structure field is an array.
11733 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11734 operands even if we found a subvar, but ignore VOPs in this
11735 case.
11736 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11737 for renaming.
11738 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11740 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11742 PR middle-end/24998
11743 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11745 2006-01-05 Richard Guenther <rguenther@suse.de>
11746 Diego Novillo <dnovillo@redhat.com>
11748 * tree-pass.h (TODO_remove_unused_locals): Define.
11749 * gimple-low.c (expand_var_p, remove_useless_vars,
11750 pass_remove_useless_vars): Remove. Update all users.
11751 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11752 (remove_unused_locals): New function.
11753 * tree-flow.h (remove_unused_locals): Declare.
11754 * passes.c (execute_todo): Call remove_unused_locals if
11755 TODO_remove_unused_locals is set.
11756 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11757 * tree-ssa-dce.c (pass_dce): Likewise.
11758 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11760 2006-01-05 Richard Guenther <rguenther@suse.de>
11762 * tree-flow.h (struct fieldoff): Decompose field to
11763 type, size and decl.
11764 * tree-ssa-alias.c (create_sft): Take type as parameter.
11765 (create_overlap_variables_for): Store type, size and decl
11766 in the fieldoff structure.
11767 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11768 of struct fieldoff.
11769 (push_fields_onto_fieldstack): Likewise.
11770 (create_variable_info_for): Likewise. Use offset for the
11771 SFT name if the decl is not available.
11773 2006-01-04 Paul Brook <paul@codesourcery.com>
11775 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11777 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11779 * lambda-code.c (can_put_in_inner_loop): Relax
11780 restrictions.
11781 (can_put_after_inner_loop): New function.
11782 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11783 (perfect_nestify): Change to make copies and modify uses.
11785 2006-01-04 Richard Henderson <rth@redhat.com>
11787 Merge from gomp branch:
11788 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11789 via integer constant.
11790 (pragma_lex): Remove.
11791 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11792 rather than parsing it.
11793 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11794 handle_pragma_extern_prefix): Add %< %> quotes.
11795 (registered_pragmas): New.
11796 (c_register_pragma_1): New.
11797 (c_register_pragma): Use it.
11798 (c_register_pragma_with_expansion): Likewise.
11799 (c_invoke_pragma_handler): New.
11800 (init_pragma): Use cpp_register_deferred_pragma directly for
11801 pch_preprocess.
11802 * c-pragma.h (enum pragma_kind): New.
11803 (pragma_handler): New.
11804 (c_invoke_pragma_handler): Declare.
11805 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11806 CPP_PRAGMA_EOL.
11807 * c-common.h (c_common_pch_pragma): Update decl.
11808 * Makefile.in (c-parser.o): Update dependencies.
11809 (GTFILES): Add c-pragma.h.
11810 * c-parser.c (struct c_token): Add pragma_kind.
11811 (struct c_parser): Add in_pragma.
11812 (c_lex_one_token): Always initialize keyword and pragma_kind.
11813 Extract data for CPP_PRAGMA.
11814 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11815 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11816 Don't allow CPP_PRAGMA_EOL if in_pragma.
11817 (c_parser_consume_pragma): New.
11818 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11819 (c_parser_skip_to_end_of_parameter): Likewise.
11820 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11821 (c_parser_skip_to_pragma_eol): New.
11822 (c_parser_external_declaration): Handle CPP_PRAGMA.
11823 (c_parser_compound_statement_nostart): Likewise.
11824 (c_parser_statement_after_labels): Likewise.
11825 (c_parser_pragma): New.
11826 (pragma_lex): Likewise.
11827 (c_parser_pragma_pch_preprocess): New.
11828 (c_parser_new): Merge into ...
11829 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11831 2006-01-04 Jeff Law <law@redhat.com>
11833 PR ada/24994
11834 * tree-cfg.c (bsi_replace): Remove the original statement
11835 from the EH throw statement table.
11837 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11839 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11840 make the prototype extern "C" and add throw ().
11842 PR target/25554
11843 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11844 and pos non-negative and pos + len <= 32.
11845 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11846 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11847 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11849 PR c/25559
11850 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11851 as well as sizes not multiple of component size.
11853 PR debug/25562
11854 * function.c (instantiate_expr): New function.
11855 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11856 walk its DECL_VALUE_EXPR with instantiate_expr.
11858 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11859 DW_OP_deref{,_size} if address isn't going to be added.
11861 2006-01-04 Ben Elliston <bje@au.ibm.com>
11863 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11864 * config/fp-bit.c: Likewise.
11866 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11868 * dominance.c: Add comment about why we use DFS numbering
11869 of dominance tree.
11871 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11872 Richard Henderson <rth@redhat.com>
11874 Merge from gomp-branch:
11875 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11876 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11878 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11880 PR rtl-optimization/25578
11881 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11882 pass a parameter to simplify_shift_const if changing ASHIFTRT
11883 to LSHIFTRT.
11885 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11887 * builtins.c (get_builtin_sync_mem): New function.
11888 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11889 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11890 Call get_builtin_sync_mem to generate mem rtx.
11892 2006-01-03 Richard Guenther <rguenther@suse.de>
11894 PR c/25183
11895 * stmt.c (add_case_node): Make sure to clear overflow flags
11896 from ranges.
11898 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11900 Merge from gomp-branch.
11901 * config/sparc/sync.md: New file.
11902 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11903 UNSPECV_LDSTUB): New constants.
11904 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11905 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11906 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11907 prototype.
11909 2006-01-03 Roger Sayle <roger@eyesopen.com>
11911 * combine.c (reg_subword_p): New predicate to test whether the
11912 destination of a set refers to a subword/piece of a register.
11913 (try_combine): Generalize the code to merge the setting of a
11914 pseudo to a constant followed by a set of a subword of that
11915 register to a constant.
11917 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11919 * basic-block.h (control_flow_graph): Change the type of
11920 x_label_to_block_map to VEC(basic_block,gc) *.
11921 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11922 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11924 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11925 VEC(basic_block,heap) *.
11926 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11927 ssa_prop_fini): Adjust the uses of cfg_blocks.
11929 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11931 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11932 COMPONENT_REFs.
11933 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11934 hashing trees instead of a pointer hash.
11935 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11936 compare for MEM_EXPR.
11938 PR rtl-optimization/25130
11939 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11940 when comparing MEMs for GCSE
11942 2006-01-03 Ben Elliston <bje@au.ibm.com>
11944 * targhooks.h (default_decimal_float_supported_p): Declare.
11945 * targhooks.c (default_decimal_float_supported_p): Define.
11946 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11947 `default_decimal_float_supported_p'.
11948 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11950 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11952 * combine.c (apply_distributive_law <SUBREG>): Check
11953 TRULY_NOOP_TRUNCATION.
11955 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11957 * dwarf2out.c (have_switched_text_section): Delete.
11958 (have_multiple_function_sections): New.
11959 (have_location_lists): Make 'bool'.
11960 (add_AT_loc_list): Use 'true' not '1'.
11961 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11962 (output_loc_list): Use have_multiple_function_sections.
11963 (output_ranges): Likewise.
11964 (dwarf2out_begin_function): Set have_multiple_function_sections if
11965 necessary.
11966 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11967 Check function_section rather than DECL_SECTION_NAME.
11968 (dwarf2out_finish): Use have_multiple_function_sections.
11969 Don't clear have_location_lists.
11971 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11972 Jan Hubicka <jh@suse.cz>
11974 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11975 case of conditional jump jumping to the next instruction.
11976 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11977 cases of conditional jump jumping to the next instruction.
11979 2006-01-02 Jan Hubicka <jh@suse.cz>
11981 * i386.c (*_cost): Add COSTS_N_INSNS.
11982 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11984 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11986 PR target/25259
11987 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11989 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11991 * config/arm/arm.c (all_fpus): Fix comment typo.
11992 * config/darwin.c: Likewise.
11993 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11994 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11995 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11997 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11999 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12000 (rs6000_split_compare_and_swapqhi): New.
12001 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12002 (sync_compare_and_swapqhi_internal): New.
12003 * config/rs6000/rs6000-protos.h: Declare.