| blob | b912f617a9865e61f3e89dc5031230e096beed6a |
1 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3 PR middle-end/26022
4 Revert:
5 PR middle-end/24437
6 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7 with a call expr to ...
8 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12 * tree-vrp.c (extract_range_from_assert): Remove special
13 handling for types with super-types.
15 2006-03-01 Ben Elliston <bje@au.ibm.com>
17 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
18 and powerpc64-*-linux* configurations.
19 * config/t-dfprules: New file.
21 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
22 Compile dfp-bit.c from the source directory using -DWIDTH and
23 $DFP_CFLAGS to control the compilation of that file, rather than
24 generating width-specific versions in the build directory.
25 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
26 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
28 2006-02-28 Zack Weinberg <zackw@panix.com>
30 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
31 continues to work.
33 2006-02-28 Eric Christopher <echristo@apple.com>
35 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
36 Set up IN_LIBGCC definition of TARGET_64BIT.
37 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
39 2006-02-28 Roger Sayle <roger@eyesopen.com>
41 PR middle-end/14752
42 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
43 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
44 cases via the construction of "expr != 0".
46 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
48 * alias.c (alias_invariant, alias_invariant_size): Remove.
49 (record_base_value): Remove.
50 (memrefs_conflict_p): Don't look at alias_invariant.
51 (end_alias_analysis): Don't free it.
52 * alias.h (record_base_value): Remove prototype.
54 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
55 Adam Nemet <anemet@caviumnetworks.com>
57 * rtl.h (truncated_to_mode): Declare it.
58 (struct rtl_hooks): Add reg_truncated_to_mode hook.
59 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
60 (RTL_HOOKS_INITIALIZER): Include it.
61 * rtlhooks.c (reg_truncated_to_mode_general): New function.
62 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
63 reg_truncated_to_mode.
64 * rtlanal.c (truncated_to_mode): Define it.
65 * simplify-rtx.c (simplify_unary_operation_1): Use it.
67 2006-02-28 Jeff Law <law@redhat.com>
69 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
70 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
71 the range allowed by TYPE_PRECISION.
73 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
75 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
77 PR tree-optimization/26419
78 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
79 values of n.
81 2006-02-27 Zack Weinberg <zackw@panix.com>
83 * doc/md.texi: Fix typo in previous change.
85 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
87 * df.c: Remove.
89 2006-02-27 Zack Weinberg <zackw@panix.com>
91 * rtl.def (define_constraint, define_register_constraint)
92 (define_memory_constraint, define_address_constraint): New MD forms.
93 * gensupport.c (process_rtx): Put define_constraint etc on the
94 predicate queue.
95 * genpreds.c (process_define_predicate): Adjust comment. Validate
96 the name, and call validate_exp to validate the expression.
97 (mark_mode_tests, write_extract_subexp): Can assume correct input.
98 (write_predicate_expr): Likewise. NAME argument no longer necessary;
99 all callers changed.
100 (validate_exp, needs_variable, struct constraint_data)
101 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
102 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
103 (const_dbl_constraints, constraint_max_namelen)
104 (have_register_constraints, have_memory_constraints)
105 (have_address_constraints, have_address_constraints)
106 (have_extra_constraints, have_const_int_constraints)
107 (have_const_dbl_constraints, mangle, add_constraint)
108 (process_define_constraint, process_define_register_constraint)
109 (write_enum_constraint_num, write_lookup_constraint)
110 (write_insn_constraint_len, write_regclass_for_constraint)
111 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
112 (write_insn_extra_memory_constraint)
113 (write_insn_extra_address_constraint)
114 (write_satisfies_constraint_fns): New.
115 (write_tm_preds_h): If we have new-style constraint definitions,
116 prototype the functions generated from them, and define the
117 old constraint interface (still used by generic code) in terms of
118 those functions.
119 (write_insn_preds_c): If we have new-style constraint definitions,
120 generate all relevant functions from those definitions.
121 (main): Handle define_constraint etc.
122 * genoutput.c (struct constraint_data, indep_constraints)
123 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
124 (mdep_constraint_len): New data structures and functions, defined
125 #ifdef USE_MD_CONSTRAINTS.
126 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
127 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
128 use new logic to validate operand constraints against constraint
129 definitions.
130 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
131 defined.
132 * defaults.h: If none of the old-style constraint macros are
133 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
134 old-style macros; and poison REG_CLASS_FROM_LETTER,
135 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
136 EXTRA_CONSTRAINT.
137 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
138 * doc/md.texi: Document new constraint-definition mechanism and the
139 C interface it provides. Remove references to old mechanism
140 elsewhere in the document.
141 (Machine Constraints): Use pathnames relative to gcc directory,
142 i.e. config/ARCH/FILE. Change i386 section to refer to
143 config/i386/predicates.md; update that section to match docstrings.
144 * doc/tm.texi: Move all documentation of the old constraint-
145 definition macros to their own section, clearly mark as obsolete.
147 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
148 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
149 definitions.
150 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
151 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
152 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
153 constraint strings.
154 (splits and peepholes): Use satisfies_constraint_*.
155 * config/i386/i386.c (memory_address_length)
156 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
158 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
160 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
161 scalar operation to be put back into the loop.
163 2006-02-27 Jakub Jelinek <jakub@redhat.com>
165 PR other/26208
166 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
167 (extract_cie_info): Handle S flag in augmentation string.
168 (execute_cfa_program): If context->signal_frame, execute also
169 fs->pc == context->ra instructions.
170 (uw_frame_state_for): If context->signal_frame, don't subtract one
171 from context->ra to find FDE.
172 (uw_update_context_1): Set context->signal_frame to
173 fs->signal_frame.
174 (_Unwind_GetIPInfo): New function.
175 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
176 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
177 of _Unwind_GetIP.
178 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
179 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
180 * unwind-compat.c (_Unwind_GetIPInfo): New function.
181 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
182 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
183 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
184 * config/i386/linux-unwind.h (x86_fallback_frame_state,
185 x86_64_fallback_frame_state): Set fs->signal_frame.
186 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
187 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
188 (frob_update_context): Likewise. Workaround missing S flag in
189 Linux 2.6.12 - 2.6.16 kernel vDSOs.
190 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
191 Remove the psw_addr + 1 hack.
193 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
195 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
196 with aggregates here.
197 (find_func_aliases): Remove code for &<aggregate> from here.
199 2006-02-26 Roger Sayle <roger@eyesopen.com>
201 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
202 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
203 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
204 as (X & C) ne/eq 0.
206 2006-02-26 Roger Sayle <roger@eyesopen.com>
208 PR middle-end/19983
209 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
211 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
213 * opts.c (decode_options): Do not handle flag_strength_reduce.
214 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
215 and OPT_fstrength_reduce.
216 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
217 flag_prefetch_loop_arrays for being nonzero.
218 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
219 no-ops.
220 (fprefetch-loop-arrays-rtl): Removed.
221 (flag_prefetch_loop_arrays): Do not specify the value.
223 * doc/passes.texi: Update documentation of loop optimizer
224 passes.
225 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
226 -frerun-loop-opt): Remove.
228 2006-02-26 Richard Guenther <rguenther@suse.de>
230 PR tree-optimization/26421
231 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
232 in function calls that are ADDR_EXPRs as using the whole structure.
234 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
236 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
237 * tree-pass.h (pass_loop_optimize): Remove.
238 * passes.c (pass_loop_optimize): Never run it.
239 * toplev.c (backend_init): Don't call init_loop.
240 * opts.c (flag_loop_optimize_set): Remove.
241 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
242 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
243 the old RTL loop optimizer when profiling enabled.
244 * predict.c (tree_estimate_probability): Always strip builtin_expect.
245 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
246 pre-headers for the sake of the old RTL loop optimizer.
247 * Makefile.in: Remove all references to loop.o.
249 * doc/invoke.texi: Remove all references to -floop-optimize
250 and -frerun-loop-opt.
252 2006-02-26 Zack Weinberg <zackw@panix.com>
254 * doc/md.texi (Machine Constraints): Refer to all files with paths
255 relative to gcc directory (i.e. config/CPU/file). Add missing
256 @table @code ... @end table to M32C subsection.
258 2006-02-26 Roger Sayle <roger@eyesopen.com>
260 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
261 (X & 1) == 0.
262 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
264 2006-02-26 Roger Sayle <roger@eyesopen.com>
265 James A. Morrison <phython@gcc.gnu.org>
267 PR middle-end/21137
268 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
269 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
270 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
271 signedness of the shift operation.
273 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
275 PR tree-optimization/26359
276 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
278 2006-02-25 Roger Sayle <roger@eyesopen.com>
280 * simplify-rtx.c (simplify_relational_operation_1): Simplify
281 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
282 as X == 0, and some symmetry related transformations.
283 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
285 2006-02-25 Roger Sayle <roger@eyesopen.com>
287 PR middle-end/23673
288 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
289 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
290 symmetry related transformations. Fold (X^C1) == C2 as
291 X == (C1^C2).
293 2006-02-25 Juergen Weigert <jw@suse.de>
294 Richard Guenther <rguenther@suse.de>
296 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
298 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
300 * combine.c (gen_lowpart_or_truncate): Call
301 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
303 2006-02-24 Diego Novillo <dnovillo@redhat.com>
305 * doc/invoke.texi: Move -fopenmp description to "Options for
306 Code Generation".
307 Remove reference to -lgomp.
309 2006-02-24 David Edelsohn <edelsohn@gnu.org>
311 * doc/install.texi: Require GNU tar version 1.14.
313 2006-02-24 Geoffrey Keating <geoffk@apple.com>
315 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
316 * doc/invoke.texi (C++ Dialect Options): Document
317 -fno-use-cxa-get-exception-ptr.
318 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
319 * configure: Regenerate.
320 * c.opt (fuse-cxa-get-exception-ptr): New.
321 * c-opts.c (c_common_handle_option): Handle
322 OPT_fuse_cxa_get_exception_ptr.
323 * c-common.c (flag_use_cxa_atexit): Update documentation.
324 (flag_use_cxa_get_exception_ptr): New.
325 * c-common.h (flag_use_cxa_get_exception_ptr): New.
326 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
327 documentation.
328 (C_COMMON_OVERRIDE_OPTIONS): New.
330 2006-02-24 Roger Sayle <roger@eyesopen.com>
332 PR middle-end/24952
333 * combine.c (try_combine): Explicitly check whether GET_CODE is
334 a SET or a CLOBBER, instead on checking that it isn't a USE.
336 2006-02-24 Roger Sayle <roger@eyesopen.com>
338 * fold-const.c (fold_comparison): New subroutine of fold_binary
339 containing transformations common to both the equality and
340 ordering relational operators, factored out of fold_binary.
341 (fold_binary): Separate out the equality operators (EQ_EXPR
342 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
343 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
344 transformations common to both.
345 (fold_div_compare): Fix latent bugs in the previously unreachable
346 LT_EXPR and GE_EXPR cases.
348 2006-02-24 David Edelsohn <edelsohn@gnu.org>
350 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
351 decl libname for clog to __clog on AIX.
353 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
355 2006-02-24 Alan Modra <amodra@bigpond.net.au>
357 PR target/26453
358 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
359 output traceback table for thunks. Localise rs6000_stack_info call.
361 2006-02-23 Roger Sayle <roger@eyesopen.com>
362 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
364 * gthr-posix.h (__gthrw): Fix typo in comment.
366 2006-02-23 Geoffrey Keating <geoffk@apple.com>
368 * doc/cpp.texi (Character sets): Document that we do support
369 input files to be in any character set.
371 2006-02-23 Jeff Law <law@redhat.com>
373 * tree.h (PHI_ARG_NONZERO): Remove.
374 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
375 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
376 node to the new node.
378 PR tree-optimization/26425
379 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
380 min/max, then assume its varying.
382 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
384 PR rtl-optimization/26316
385 * rtlanal.c (enum may_trap_p_flags): New.
386 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
387 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
388 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
389 (may_trap_after_code_motion_p): New function.
390 * loop-invariant.c (find_identical_invariants): Fix dump formating.
391 (find_invariant_insn): Use may_trap_after_code_motion_p.
392 * rtl.h (may_trap_after_code_motion_p): Declare.
394 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
396 * emit-rtl.c (immed_double_const): Cleanup.
398 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
400 Fix PR tree-optimization/26376
401 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
402 remove assert.
404 2006-02-23 Jakub Jelinek <jakub@redhat.com>
406 PR middle-end/26412
407 * gimplify.c (omp_add_variable): Guard variable size decl test with
408 DECL_SIZE (decl) check.
410 2006-02-23 Richard Guenther <rguenther@suse.de>
412 PR middle-end/26439
413 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
414 like aggregate types.
416 2006-02-23 Jakub Jelinek <jakub@redhat.com>
418 * configure.ac: Add --with{,out}-long-double-128 configure option.
419 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
420 * configure: Rebuilt.
421 * config.in: Rebuilt.
422 * doc/install.texi (Options specification): Document
423 --with-long-double-128.
425 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
426 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
427 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
428 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
430 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
432 * config/s390/s390.c (override_options): Handle
433 TARGET_DEFAULT_LONG_DOUBLE_128.
435 * config/alpha/alpha.c (override_options): Handle
436 TARGET_DEFAULT_LONG_DOUBLE_128.
438 * config/sparc/sparc.c (sparc_override_options): Handle
439 TARGET_DEFAULT_LONG_DOUBLE_128.
441 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
443 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
444 (real-install-headers-tar, real-install-headers-cpio)
445 (real-install-headers-cp): New targets.
447 2006-02-22 Richard Sandiford <richard@codesourcery.com>
449 * tree.h (variable_section): Delete.
450 * varasm.c (variable_section): Delete.
452 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
454 * install.texi: Add notes on install.texi2html.
455 (Building in parallel): Do not use footnotes.
457 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
459 PR libgomp/26234
460 * doc/install.texi (Configuration): Document --disable-libgomp.
462 2006-02-21 Geoffrey Keating <geoffk@apple.com>
464 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
466 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
468 * config/i386/sse.md (vec_extractv2df_1_sse): New.
469 (vec_extractv2df_0_sse): New.
471 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
473 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
474 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
475 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
476 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
477 to the result of the expression.
478 (def_cfa_1): Adjust.
479 (frame_pointer_cfa_offset): Rename to...
480 (frame_pointer_fb_offset): ... this. Adjust all uses.
481 (convert_cfa_to_loc_list): Rename to...
482 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
483 Pass it on to build_cfa_loc.
484 (compute_frame_pointer_to_cfa_displacement): Rename to...
485 (compute_frame_pointer_to_fb_displacement): ... this. New
486 offset parameter. Use it in computation.
487 (gen_subprogram_die): Compute cfa_fb_offset with the new
488 macro, and use it to compute the fb loc list and the
489 displacement.
491 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
493 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
494 replaced with register_operand.
495 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
496 non-DREG is expensive.
497 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
498 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
499 involving memory.
501 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
503 * doc/install.texi2html: Use set -e.
505 2006-02-21 Richard Sandiford <richard@codesourcery.com>
507 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
508 (ASM_OUTPUT_SHARED_LOCAL): Delete.
509 * doc/invoke.texi (-fshared-data): Delete.
510 * common.opt (fshared-data): Delete.
511 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
512 (assemble_static_space): Remove #if 0 code.
513 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
514 (ASM_OUTPUT_SHARED_LOCAL): Poison.
515 * config/cris/cris.h: Remove FIXME.
517 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
519 * doc/sourcebuild.texi (Front End Directory): No more double-colon
520 hooks.
522 2006-02-21 Jakub Jelinek <jakub@redhat.com>
524 PR middle-end/26379
525 * combine.c (simplify_shift_const_1): Disable nested shifts
526 optimization for vector shifts.
528 2006-02-20 Roger Sayle <roger@eyesopen.com>
530 PR tree-optimization/26361
531 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
532 of unsigned integer types.
534 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
536 * tree-chrec.c (eq_evolutions_p): New.
537 * tree-chrec.h (eq_evolutions_p): Declared.
538 * tree-data-ref.c: Fix formatting.
539 (datadep_stats, dependence_stats): New.
540 (gcd): Moved...
541 (print_direction_vector): New.
542 (dump_data_dependence_relation): Use print_direction_vector.
543 (object_analysis, create_data_ref): Handle COMPONENT_REF.
544 (compute_subscript_distance): Static.
545 (initialize_data_dependence_relation): Static. Get the number
546 of loops surrounding the references from the callers, and initialize
547 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
548 base_object_differ_p analyzers.
549 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
550 compute_overlap_steps_for_affine_1_2,
551 analyze_subscript_affine_affine): Count the classified dependences.
552 Print a message when a test failed.
553 (can_use_analyze_subscript_affine_affine): New.
554 (analyze_siv_subscript): Compute the data dependences on symbolic
555 scevs that verify can_use_analyze_subscript_affine_affine.
556 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
557 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
558 Handle symbolic scevs.
559 (analyze_overlapping_iterations): Let symbolic affine scevs to be
560 analyzed.
561 (subscript_dependence_tester): Moved...
562 (build_classic_dist_vector, build_classic_dir_vector): Don't use
563 lambda_vector_clear on newly allocated vectors. Get nb_loops from
564 DDR_SIZE_VECT instead of getting it in parameter.
565 (subscript_dependence_tester): ... here. Take as a parameter
566 loop_nest_depth. Call build_classic_dist_vector and
567 build_classic_dir_vector.
568 (compute_affine_dependence): Update subscript_dependence_tester
569 parameters. Update datadep_stats counters. Call
570 compute_subscript_distance.
571 (compute_self_dependence): Save the dist and dir vectors. Call
572 compute_subscript_distance.
573 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
574 (compute_all_dependences): Reorder parameters as they were before
575 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
576 compute_subscript_distance. Update the use of
577 compute_affine_dependence and initialize_data_dependence_relation.
578 (find_data_references_in_loop): Handle COMPONENT_REF.
579 (compute_data_dependences_for_loop): Initialize dependence_stats.
580 Don't call build_classic_dist_vector and build_classic_dir_vector.
581 Update the parameters of initialize_data_dependence_relation and
582 compute_all_dependences. Print the statistics from datadep_stats.
583 (analyze_all_data_dependences): Static. Not used until the pass for
584 checking the data dependences is contributed.
585 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
586 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
587 (initialize_data_dependence_relation, compute_affine_dependence,
588 analyze_all_data_dependences, compute_subscript_distance): Removed.
589 (print_direction_vector): New.
590 * lambda.h (gcd): ... here.
591 (lambda_vector_gcd): Moved here from gcd_vector.
592 * lambda-code.c (gcd, gcd_vector): Removed.
593 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
594 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
596 2006-02-20 Diego Novillo <dnovillo@redhat.com>
598 * ipa-type-escape.c: Tidy some comments and white space.
599 * tree-ssa-operands.c: Likewise.
601 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
603 PR tree-opt/25879
604 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
605 (dump_decl_name): Do not walk the decl tree chains.
606 * tree-pass.h (TDF_CHAIN): Remove.
608 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
610 * Makefile.in (C): Remove
611 (PROTO): Remove
612 (.PHONY): Remove C and PROTO
614 2006-02-20 Roger Sayle <roger@eyesopen.com>
616 PR middle-end/26236
617 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
618 deprecated CHAR_TYPE tree code.
620 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
622 * configure.ac (target_list): Add install-info, dvi, html.
623 * configure: Regenerate.
625 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
626 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
627 treelang/Make-lang.in: Do not use double-colon rules.
629 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
631 * tree.h (struct tree_memory_tag): Add is_used_alone member.
632 (TMT_USED_ALONE): New macro.
633 * tree-pass.h (PROP_tmt_usage): New property.
634 (TODO_update_tmt_usage): New todo.
635 * tree-ssa-alias.c (updating_used_alone): New variable.
636 (recalculate_used_alone): New function.
637 (compute_may_aliases): Set updating_used_alone, call
638 recalculate_used_alone.
639 * tree-sra.c (pass_sra): Note that this pass destroys
640 PROP_tmt_usage, and add TODO_update_tmt_usage.
641 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
642 * tree-flow.h (updating_used_alone): Prototype.
643 (recalculate_used_alone): Ditto.
644 * passes.c (execute_todo): Add code to set updating_used_alone,
645 and call recalculate.
646 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
647 for clobber if used alone, and add assert to verify used_alone
648 status.
650 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
652 * config/s390/s390.c (legitimize_pic_address): Assertions checking
653 for non tls symbols added.
654 (legitimize_address): Do nothing for PLUS expressions if one of the
655 addends is a tls symbol reference.
657 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
659 PR bootstrap/25476
661 * Makefile.in (LDFLAGS): Define from autoconf substitution.
663 * Makefile.in (BOOTSTRAPPING): New.
664 (quickstrap): New definition if BOOTSTRAPPING=yes.
666 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
667 * configure.ac: Substitute all_selected_languages with the languages
668 that were configured. For all the other variables except
669 lang_specs_files, include all the languages in the tree.
670 * configure: Regenerate.
672 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
673 if there is one. Run the commands to run fixincludes in the same
674 subshell.
676 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
677 * doc/install.texi: Document exact conventions for searching target tools.
678 Document --with-build-time-tools. Document toplevel bootstrap. Document
679 something more about building an Ada cross-compiler. Don't list GNU Make
680 requirements which affect all platforms.
682 2006-02-19 Roger Sayle <roger@eyesopen.com>
684 PR middle-end/19543
685 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
686 only equivalent if the have both the same mode and precision.
688 2006-02-20 Ben Elliston <bje@au.ibm.com>
690 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
692 2006-02-19 Roger Sayle <roger@eyesopen.com>
693 Steven Bosscher <stevenb.gcc@gmail.com>
695 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
696 constant pool references to identify stack mode constants.
697 * rtlanal.c (constant_pool_constant_p): New predicate to check
698 whether operand is a floating point constant in the pool.
699 * rtl.h (constant_pool_constant_p): Prototype here.
700 * loop.c (scan_loop): Avoid hoisting constants from the constant
701 pool on STACK_REGS targets.
702 (load_mems): Likewise.
703 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
704 loads into x87 registers expensive in terms of register pressure.
706 2006-02-19 Roger Sayle <roger@eyesopen.com>
708 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
709 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
711 2006-02-19 David Edelsohn <edelsohn@gnu.org>
713 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
714 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
716 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
718 * doc/invoke.texi: Document -fipa-pta.
719 * common.opt: Add ipa-pta option.
720 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
721 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
722 (do_ds_constraint): Ditto.
723 (get_constraint_for): Only add to referenced_vars if
724 referenced_vars exists.
725 (insert_into_field_list): Rewrite to do this unsorted.
726 (insert_into_field_list_sorted): Rename old insert_into_field_list
727 to this.
728 (create_function_info_for): Use insert_into_field_list_sorted.
729 (create_variable_info_for): Rewrite so it uses unsorted version,
730 since the field list is sorted.
731 (intra_create_variable_infos): Only add to referenced_vars if
732 referenced_vars exists.
733 (ipa_pta_execute): Init heapvars, and delete when done.
734 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
736 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
738 * doc/install.texi: Add missing `@samp'.
740 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
742 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
743 Use the arguments.
745 2006-02-18 Mark Wielaard <mark@klomp.org>
747 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
748 who added new 4.1 features, bug fixes and integration support.
750 2006-02-18 David Edelsohn <edelsohn@gnu.org>
752 PR target/26350
753 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
754 MEM for ABI_V4 pic.
756 2006-02-18 Richard Sandiford <richard@codesourcery.com>
758 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
759 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
760 (copy_insn_1): Likewise. Don't copy each field individually.
761 Reindent.
762 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
763 of RTX_SIZE.
764 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
765 * rtl.c (rtx_size): Rename variable to...
766 (rtx_code_size): ...this.
767 (rtx_size): New function.
768 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
769 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
770 Reindent.
771 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
772 * rtl.h (rtx_code_size): New variable.
773 (rtx_size): Change from a variable to a function.
774 (RTX_SIZE): Rename to...
775 (RTX_CODE_SIZE): ...this.
777 PR target/9703
778 PR tree-optimization/17106
779 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
780 (Anchored Addresses): New section.
781 * doc/invoke.texi (-fsection-anchors): Document.
782 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
783 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
784 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
785 * hooks.c (hook_bool_mode_rtx_false): New function.
786 * hooks.h (hook_bool_mode_rtx_false): Declare.
787 * gengtype.c (create_optional_field): New function.
788 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
789 SYMBOL_REF_IN_BLOCK_P is true.
790 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
791 (min_anchor_offset, max_anchor_offset): Likewise.
792 (use_anchors_for_symbol_p): New hook.
793 * toplev.c (compile_file): Call output_object_blocks.
794 (target_supports_section_anchors_p): New function.
795 (process_options): Check that -fsection-anchors is only used on
796 targets that support it and when -funit-at-a-time is in effect.
797 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
798 if the decl doesn't have one.
799 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
800 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
801 of force_const_mem through use_anchored_address.
802 (expand_expr_constant): New function.
803 (expand_expr_addr_expr_1): Call it. Use the same modifier when
804 calling expand_expr for INDIRECT_REF.
805 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
806 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
807 * expr.h (use_anchored_address): Declare.
808 * loop-unroll.c: Don't declare rtx vectors here.
809 * explow.c: Include output.h.
810 (validize_mem): Call use_anchored_address.
811 (use_anchored_address): New function.
812 * common.opt (-fsection-anchors): New switch.
813 * varasm.c (object_block_htab, anchor_labelno): New variables.
814 (hash_section, object_block_entry_eq, object_block_entry_hash)
815 (use_object_blocks_p, get_block_for_section, create_block_symbol)
816 (use_blocks_for_decl_p, change_symbol_section): New functions.
817 (get_variable_section): New function, split out from assemble_variable.
818 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
819 use_blocks_for_decl_p say so. Use change_symbol_section if the
820 symbol has already been created.
821 (assemble_variable_contents): New function, split out from...
822 (assemble_variable): ...here. Don't output any code for
823 block symbols; just pass them to place_block_symbol.
824 Use get_variable_section and assemble_variable_contents.
825 (get_constant_alignment, get_constant_section, get_constant_size): New
826 functions, split from output_constant_def_contents.
827 (build_constant_desc): Create a block symbol if use_object_blocks_p
828 says so. Or into SYMBOL_REF_FLAGS.
829 (assemble_constant_contents): New function, split from...
830 (output_constant_def_contents): ...here. Don't output any code
831 for block symbols; just pass them to place_section_symbol.
832 Use get_constant_section and get_constant_alignment.
833 (force_const_mem): Create a block symbol if use_object_blocks_p and
834 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
835 (output_constant_pool_1): Add an explicit alignment argument.
836 Don't switch sections here.
837 (output_constant_pool): Adjust call to output_constant_pool_1.
838 Switch sections here instead. Don't output anything for block symbols;
839 just pass them to place_block_symbol.
840 (init_varasm_once): Initialize object_block_htab.
841 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
842 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
843 (place_block_symbol, get_section_anchor, output_object_block)
844 (output_object_block_htab, output_object_blocks): New functions.
845 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
846 (TARGET_ASM_OUT): Include it.
847 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
848 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
849 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
850 (TARGET_INITIALIZER): Include them.
851 * rtl.c (rtl_check_failed_block_symbol): New function.
852 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
853 (block_symbol, object_block): New structures.
854 (rtx_def): Add a block_symbol field to the union.
855 (BLOCK_SYMBOL_CHECK): New macro.
856 (rtl_check_failed_block_symbol): Declare.
857 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
858 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
859 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
860 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
861 * output.h (output_section_symbols): Declare.
862 (object_block): Name structure.
863 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
864 (default_use_anchors_for_symbol_p): Declare.
865 * Makefile.in (RTL_BASE_H): Add vec.h.
866 (explow.o): Depend on output.h.
867 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
868 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
869 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
870 (rs6000_use_blocks_for_constant_p): New function.
872 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
874 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
876 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
878 PR tree-opt/25680
879 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
880 IMAGPART_EXPR.
882 2006-02-18 Diego Novillo <dnovillo@redhat.com>
884 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
885 is_aliased.
886 Update all users.
888 2006-02-18 Jakub Jelinek <jakub@redhat.com>
890 PR middle-end/26334
891 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
892 instead of DECL_REGISTER.
894 2006-02-18 Olivier Hainque <hainque@adacore.com>
896 PR ada/13408
897 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
899 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
901 PR target/24837
902 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
903 * opth-gen.awk: Handle Var and InverseMask together.
904 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
905 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
906 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
907 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
908 used together.
909 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
910 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
911 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
912 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
913 LINUX_DYNAMIC_LINKER): Define.
914 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
915 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
916 TARGET_GLIBC.
917 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
918 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
919 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
920 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
921 (TARGET_C99_FUNCTIONS): Don't define.
922 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
923 GLIBC_DYNAMIC_LINKER.
924 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
925 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
926 GLIBC_DYNAMIC_LINKER64): Define.
927 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
928 LINUX_DYNAMIC_LINKER64.
929 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
930 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
931 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
932 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
933 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
934 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
935 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
936 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
937 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
938 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
939 and LINUX_DYNAMIC_LINKER32.
940 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
941 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
942 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
943 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
944 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
945 TARGET_GLIBC.
946 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
947 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
948 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
949 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
950 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
951 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
952 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
953 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
954 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
955 LINUX_DYNAMIC_LINKER): Define.
956 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
957 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
958 GLIBC_DYNAMIC_LINKER64): Define.
959 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
960 LINUX_DYNAMIC_LINKER64.
961 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
962 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
963 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
964 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
965 LINUX_DYNAMIC_LINKER): Define.
966 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
967 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
968 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
969 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
970 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
971 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
972 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
973 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
974 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
975 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
976 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
977 * doc/invoke.texi (-muclibc): Remove caveat about supported
978 targets.
980 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
982 * doc/cpp.texi (__TIMESTAMP__): Document.
984 2006-02-17 Roger Sayle <roger@eyesopen.com>
986 PR middle-end/25600
987 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
988 C is one less than the width of X (and related transformations).
989 * simplify_rtx.c (simplify_unary_operation_1): Transform
990 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
991 depending on STORE_FLAG_VALUE, were C is one less then the
992 width of X.
994 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
996 Fix PR tree-optimization/26341
997 * tree-ssa-operands.c (add_virtual_operand): Remove assert
998 about NAME_MEMORY_TAG's.
1000 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1002 PR target/26255
1003 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1004 with hardware float support, and software float support. Add fcpy
1005 alternative to hardware patterns. Add alternatives to copy between
1006 general and floating-point registers to the 32-bit pattern.
1007 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1008 secondary reload to load a QI or HI mode constant into a floating
1009 point register.
1010 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1011 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1013 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1015 PR target/26272
1016 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1017 pc to the pattern.
1018 (load_macho_picbase_di): Likewise.
1020 2006-02-16 Jeff Law <law@redhat.com>
1022 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1023 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1024 (ssa_name_nonzero_p): Likewise.
1025 (get_value_range): Return NULL if VRP is not running.
1026 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1027 VRP routines do not discover a range.
1028 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1029 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1030 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1031 (tree_expr_nonnegative_p): Similarly.
1032 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1033 (restore_nonzero_vars_to_original_value): Remove.
1034 (unsafe_associative_fp_binop): Remove.
1035 (tree_ssa_dominator_optimize): Remove initialization and
1036 finalization of nonzero_vars and nonzero_vars_stack.
1037 (dom_opt_initialize_block): No longer push marker on
1038 nonzero_vars_stack.
1039 (dom_opt_finalize_block): No longer call
1040 restore_nonzero_vars_to_original_value.
1041 (record_equivalences_from_phis): No longer look for
1042 nonzero PHI arguments.
1043 (cprop_into_successor_phis): No longer propagate nonzero
1044 property into PHI arguments. Lose unused argument. Caller
1045 updated.
1046 (record_equivalences_from_stmt): No longer record nonzero
1047 values for SSA_NAMEs.
1048 (lookup_avail_expr): No longer use nonzero_vars.
1050 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1051 for sizetype when sizetype is unsigned.
1053 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1055 PR rtl-optimization/25603
1056 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1057 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1058 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1059 with new meaning of SETS.
1061 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1063 PR target/20353
1064 PR target/24578
1065 PR target/24837
1066 * config/linux.opt: New file.
1067 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1068 LINUX_DYNAMIC_LINKER): Define.
1069 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1070 * config.gcc (*-*-linux*): Define extra_options.
1071 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1072 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1073 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1074 GLIBC_DYNAMIC_LINKER.
1075 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1076 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1077 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1078 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1079 * doc/invoke.texi (GNU/Linux Options): New section.
1081 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1083 * config/sparc/sparc.md (setjmp): Rewrite.
1084 (setjmp_32): Delete.
1085 (setjmp_64): Likewise.
1087 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1089 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1090 previous change.
1092 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1094 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1095 read-write uses.
1097 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1099 PR rtl-optimization/26296
1100 * Makefile.in (loop-invariant.c): Add except.h dependency.
1101 * loop-invariant.c: Include except.h.
1102 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1104 2005-02-16 Paul Brook <paul@codesourcery.com>
1106 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1107 for reloads.
1109 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1111 PR rtl-optimization/25636
1112 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1113 when deciding whether an insn is an initializing insn.
1115 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1117 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1118 (tree_code_size): Ditto.
1119 * tree.h (struct tree_memory_tag): Remove parent_var.
1120 (struct tree_struct_field_tag): New.
1121 (SFT_OFFSET): New.
1122 (SFT_SIZE): New.
1123 (union tree_node): Add sft member.
1124 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1125 specially here.
1126 (create_sft): Add size and offset argument, set SFT_OFFSET and
1127 SFT_SIZE.
1128 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1129 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1130 * tree-flow-inline.h (get_subvar_at): Update for
1131 SFT_OFFSET/SFT_SIZE.
1132 (var_can_have_subvars): Ditto.
1133 (overlap_subvar): Ditto.
1134 * print-tree.c (print_node): Print out interesting things for
1135 SFT's.
1136 * tree-flow.h (struct subvar): Remove offset and size members.
1137 * tree-ssa-operands.c (get_expr_operands): Update for
1138 get_indirect_ref_operands changes.
1139 (get_indirect_ref_operands): Call add_virtual_operand instead of
1140 add_stmt_operand. Only recurse on base var if requested.
1141 (access_can_touch_variable): New function.
1142 (add_stmt_operand): Split virtual operand handling into ...
1143 (add_virtual_operand): Here. Add offset, size, and for_clobber
1144 arguments. Prune alias sets.
1145 (add_call_clobber_ops): Call add_virtual_operand.
1147 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1149 PR middle-end/26300
1150 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1152 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1153 than TREE_CODE as index into omp_clause_num_ops array.
1155 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1157 PR rtl-optimization/26184
1158 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1159 uses_of_defs.
1160 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1161 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1162 must_precede, must_follow and tobe_scheduled.
1164 PR other/26147
1165 * opts.c (common_handle_option): Free new_option pointer.
1166 * df-core.c (df_analyze): Free postorder pointer.
1168 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1170 * Makefile.in: Fix the examples about the use of stamps
1172 2006-02-15 Michael Matz <matz@suse.de>
1174 PR middle-end/22275
1176 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1177 influenced by maximum_field_alignment or DECL_PACKED.
1178 (update_alignment_for_field): Ditto.
1179 (place_field): Ditto.
1180 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1181 this behaviour.
1183 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1185 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1186 (debug_flow_info): Pass it.
1187 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1188 * bb-reorder.c (reorder_basic_blocks): Likewise.
1189 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1190 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1191 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1192 * gcse.c (gcse_main, bypass_jumps): Likewise.
1193 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1194 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1195 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1196 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1197 * rtl.h (dump_flow_info): Adjust prototype.
1198 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1199 * var-tracking.c (variable_tracking_main): Likewise.
1200 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1201 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1202 options.
1204 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1206 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1207 construction.
1209 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1211 PR tree-optimization/26209
1212 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1213 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1214 eh edges.
1215 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1217 2006-02-14 Roger Sayle <roger@eyesopen.com>
1219 PR middle-end/23670
1220 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1221 (X,Y) and the corresponding symmetry related transformations.
1222 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1223 (X,Y) and its symmetry related transformations.
1225 2006-02-14 Roger Sayle <roger@eyesopen.com>
1227 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1228 and GEU.
1230 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1232 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1234 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1236 PR bootstrap/26053
1237 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1238 support COMDAT group.
1239 * configure: Regenerate.
1241 2006-02-14 Roger Sayle <roger@eyesopen.com>
1243 PR middle-end/26279
1244 PR middle-end/26280
1245 PR middle-end/26283
1246 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1248 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1250 Fix PR tree-optimization/26260
1252 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1253 param.
1254 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1255 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1256 * tree-ssa-structalias.c (create_variable_info_for): Use
1257 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1259 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1261 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1262 Document.
1263 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1264 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1265 of the ending condition.
1266 * tree-ssa-loop-manip.c: Include params.h.
1267 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1268 tree_unroll_loop): New functions.
1269 * tree-pass.h (pass_loop_prefetch): Declare.
1270 * loop.c (rest_of_handle_loop_optimize): Test for
1271 -fprefetch-loop-arrays-rtl.
1272 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1273 * timevar.def (TV_TREE_PREFETCH): New timevar.
1274 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1275 pass_loop_prefetch): New.
1276 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1277 (cleanup_tree_cfg_loop): Call scev_reset.
1278 * common.opt (fprefetch-loop-arrays-rtl): Add.
1279 * tree-ssa-loop-prefetch.c: New file.
1280 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1281 (new_temp_expr_table): Initialize expr_vars.
1282 (free_temp_expr_table): Cleanup expr_vars.
1283 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1284 expressions from being merged into one.
1285 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1286 (struct tree_niter_desc): Add control, bound and cmp fields.
1287 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1288 Declare.
1289 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1290 (tree-cfgcleanup.o): Add SCEV_H dependency.
1291 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1292 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1294 2006-02-14 Richard Guenther <rguenther@suse.de>
1296 PR tree-optimization/26258
1297 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1298 in PHI argument processing.
1300 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1302 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1303 new expression in the requested machine mode.
1305 2006-02-13 Roger Sayle <roger@eyesopen.com>
1307 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1308 directly, instead let do_compare_rtx_and_jump handle this for us.
1309 * expr.c (expand_expr_real_1): Likewise.
1310 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1311 before do_jump_by_parts_greater.
1312 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1313 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1315 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1317 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1319 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1321 PR rtl-optimization/26235
1322 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1323 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1324 format.
1326 2006-02-13 Jeff Law <law@redhat.com>
1328 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1329 TRUTH_XOR_EPR.
1331 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1333 PR middle-end/26092
1334 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1335 twice if decl is a builtin. When trying again, call get_callee_fndecl
1336 first to verify it is still a builtin.
1338 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1340 * dwarf2out.c (base_type_die): Don't add AT_name here.
1341 (subrange_type_die): Don't add AT_name here.
1342 (modified_type_die): Rearrange code flow. Do add AT_name here.
1344 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1346 PR rtl-optimization/26247
1347 PR rtl-optimization/26248
1348 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1350 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1352 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1353 * config/fixtfdi.c: Likewise.
1354 * config/fixunstfdi.c: Likewise.
1355 * config/floatditf.c: Likewise.
1357 2006-02-13 Roger Sayle <roger@eyesopen.com>
1359 PR middle-end/24427
1360 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1361 into (X,C2) if C1 is a subset of the bits of C2. Transform
1362 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1363 (X&(C1&~C2))|C2.
1364 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1366 2006-02-13 Josh Conner <jconner@apple.com>
1368 PR target/25376
1369 * varasm.c (function_section): Check for section name before
1370 calling select_section on targets that define
1371 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1372 unlikely_text_section instead of hot_function_section if
1373 first_function_block_is_cold.
1375 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1377 PR middle-end/25335
1378 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1380 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1382 PR rtl-optimization/26222
1383 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1384 after tree->rtl expansion.
1385 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1386 before passing it to emit_move_insn.
1388 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1390 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1391 default.
1392 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1393 Clarify documentation.
1394 * c-common.h (warn_write_strings): Remove.
1395 * c-common.c (warn_write_strings): Likewise.
1396 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1397 default for C++.
1399 2006-02-12 Roger Sayle <roger@eyesopen.com>
1401 PR middle-end/25724
1402 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1403 (do_jump_parts_zero_rtx): New function renamed from
1404 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1405 (do_jump_parts_equality_rtx): New function split out from
1406 do_jump_parts_equality. Old implementation renamed as above.
1407 Call do_jump_parts_zero_rtx if either operand is zero.
1408 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1409 do all of the heavy lifting.
1410 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1411 calling either do_jump_by_parts_greater_rtx or
1412 do_jump_by_parts_equality_rtx.
1413 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1414 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1415 moved to do_compare_rtx_and_jump, call it directly.
1416 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1417 mode argument. Call do_compare_rtx_and_jump.
1418 (emit_case_nodes): Update calls to do_jump_if_equal.
1420 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1422 PR rtl-optimization/26225
1423 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1425 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1427 PR rtl-optimization/26232
1428 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1430 2006-02-11 Jason Merrill <jason@redhat.com>
1432 PR tree-opt/24365
1433 * tree-inline.c (declare_return_variable): Just don't use the
1434 modify target if it's a gimple complex reg and the return slot
1435 isn't.
1437 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1439 * doc/contrib.texi: Update my entry.
1441 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1443 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1445 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1447 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1448 expensive.
1450 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1452 * doc/invoke.texi (-floop-optimize2): Removed.
1453 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1454 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1455 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1456 * common.opt (floop-optimize2): Removed.
1457 (fmove-loop-invariants): Enabled by default.
1459 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1461 * tree-if-conv.c (combine_blocks): Free the result of
1462 get_loop_exit_edges.
1464 2006-02-10 Jeff Law <law@redhat.com>
1466 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1468 PR tree-optimization/26213
1469 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1470 loop trying to follow SSA_NAME_VALUE chains.
1472 2006-02-10 Richard Guenther <rguenther@suse.de>
1474 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1475 deal with structures that end in implicitly variable sized arrays.
1477 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1479 PR rtl-optimization/24762
1480 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1481 eh edges.
1483 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1485 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1486 (struct ivopts_data): Add regs_used field.
1487 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1488 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1489 instead of loop_data->regs_used;
1490 (free_loop_data): Do not free aux fields for loops.
1491 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1492 and tree_ssa_iv_optimize_finalize.
1494 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1496 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1498 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1500 PR target/26141
1501 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1502 computing the effective result type.
1504 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1506 PR inline-asm/16194
1507 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1508 (tree_overlaps_hard_reg_set): Declare.
1509 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1510 type and signature to match function type expected by walk_tree.
1511 (tree_overlaps_hard_reg_set): New function.
1512 (decl_conflicts_with_clobbers_p): Rename to:
1513 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1514 Use tree_overlaps_hard_reg_set. Changed caller.
1515 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1516 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1517 * cris.c (cris_md_asm_clobbers): Likewise.
1519 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1521 * reload1.c (emit_input_reload_insns): Delete code that tries to
1522 inherit using find_equiv_reg.
1524 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1526 * c-common.h (flag_const_strings): Don't declare.
1527 * c-common.c (flag_const_strings): Remove.
1528 * c.opt (fconst_strings): Remove.
1529 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1530 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1531 (c_common_init_options): Don't set flag_const_strings.
1532 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1534 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1536 * arm.md (tlobits_cbranch): New pattern.
1537 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1538 testing a single bit.
1540 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1542 PR tree-opt/26179
1543 * tree-ssa-pre.c (create_component_ref_by_pieces):
1544 Handle RETURN_DECL like VAR_DECL.
1546 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1548 PR middle-end/26134
1549 * fold-const.c (fold_indirect_ref_1): Fold
1550 "*(foo *)&complexfoo" to "__real__ complexfoo"
1551 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1553 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1555 * tree-flow-inline.h (var_can_have_subvars):
1556 Volatile variables should not have subvariables.
1558 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1560 PR 26180
1561 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1562 multiplying unsigned values.
1563 Tidy comments.
1565 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1567 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1569 2006-02-08 Jason Merrill <jason@redhat.com>
1571 PR c++/25979
1572 * tree.def: Elaborate on difference from MODIFY_EXPR.
1573 * doc/c-tree.texi (INIT_EXPR): Likewise.
1574 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1575 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1576 (gimplify_target_expr): Likewise.
1577 (gimplify_cond_expr): Remove target handling.
1578 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1579 (gimplify_expr): Clobber it here.
1580 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1581 Do return slot optimization if we have an INIT_EXPR.
1583 PR tree-opt/24365
1584 * tree-inline.c (declare_return_variable): Also clear
1585 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1587 PR c++/16405
1588 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1590 PR middle-end/22439
1591 * gimplify.c (gimplify_one_sizepos): Fix typo.
1593 2006-02-08 Jeff Law <law@redhat.com>
1595 PR tree-optimization/21417
1596 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1597 across a backedge if the control statement at the end of the
1598 block is data dependent on other statements in the same block.
1599 (record_temporary_equivalences_from_stmts): Remove over-conservative
1600 test for threading across backedges.
1602 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1603 control statement, handle all three special cases in the same
1604 manner as they all have the same desired solution. No longer
1605 special case edge flag updating when the post dominator is
1606 the exit block.
1608 2006-02-08 Roger Sayle <roger@eyesopen.com>
1610 * tree.def (CHAR_TYPE): Remove.
1611 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1612 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1613 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1614 (gen_string_type_die): Delete unreachable function.
1616 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1617 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1618 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1619 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1620 * builtins.c (type_to_class): Likewise.
1621 * fold-const.c (fold_convert, build_range_check,
1622 merge_ranges): Likewise.
1623 * expr.c (count_type_elements): Likewise.
1624 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1625 * stor-layout.c (layout_type): Likewise.
1626 * ipa-type-escape.c (type_to_consider): Likewise.
1627 * gimplify.c (omp_firstprivatize_type_sizes,
1628 gimplify_type_sizes): Likewise.
1629 * explow.c (promote_mode): Likewise.
1630 * tree-sra.c (is_sra_scalar_type): Likewise.
1631 * varasm.c (output_constant): Likewise.
1632 * tree-inline.c (remap_type_1): Likewise.
1633 * convert.c (convert_to_pointer, convert_to_real,
1634 convert_to_integer, convert_to_complex): Likewise.
1636 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1638 * df-scan.c (df_def_record_1): A set destination may
1639 be a parallel regardless of mode.
1641 2006-02-08 Roger Sayle <roger@eyesopen.com>
1643 PR target/22209
1644 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1645 * config/mips/_tilib.c: Remove.
1646 * config/fixtfdi.c: New libgcc source file.
1647 * config/fixunstfdi.c: New source file.
1648 * config/floatditf.c: New source file.
1649 * config/floatunditf.c: New souce file.
1650 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1651 files above instead of config/mips/_tilib.c.
1652 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1654 2006-02-08 Jeff Law <law@redhat.com>
1656 PR tree-optimization/26169
1657 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1658 threading jumps.
1660 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1662 * df.h (DF_REG_SIZE): Return the length of the initialized
1663 part of the array.
1665 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1667 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1668 __muldf3): Return a correctly signed zero.
1670 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1672 * passes.c (register_one_dump_file): Accept the current properties
1673 instead of pass number. Adjust call to dump_register. Remove
1674 duplicated code.
1675 (register_dump_files): Now a wrapper around...
1676 (register_dump_files_1): ... this one. Do not modify the pass
1677 structure.
1678 (next_pass_1): Cosmetic fix.
1679 (execute_todo): Keep second parameter only. Use curr_properties
1680 instead of fetching it from the pass structure. Check and set
1681 last_verified.
1682 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1683 instead of fetching it from the pass structure. Fix calls to
1684 execute_todo. Update curr_properties and initialize .vcg RTL dump
1685 after running the pass. Reset last_verified.
1686 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1687 at the beginning.
1688 (FIRST_AUTO_NUMBERED_DUMP): New.
1689 (dump_register): Remove "num" parameter, assign it within the
1690 function.
1691 (get_dump_file_name): Modify template for dumps.
1692 * tree-dump.h (dump_register): Adjust prototype.
1693 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1694 (PROP_trees): Add PROP_gimple_lomp.
1695 (TODO_set_props): New.
1696 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1697 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1698 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1700 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1702 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1703 (sparc64-*-linux*): Likewise.
1704 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1705 * config/sparc/t-linux: New file.
1706 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1707 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1708 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1709 -m32 -mlong-double-128.
1711 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1712 * config/alpha/t-linux: New file.
1713 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1715 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1716 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1717 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1718 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1719 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1720 (CPP_ARCH32_SPEC): Remove.
1722 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1724 PR tree-optimization/26145
1725 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1726 bbs pointer.
1728 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1730 PR target/26109
1731 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1732 >= 240000 when generating code for SOM runtime.
1733 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1734 to $$dyncall when generating code for SOM runtime..
1736 2006-02-07 Dirk Mueller <dmueller@suse.com>
1738 PR c++/18150
1739 * doc/invoke.texi (-Wsequence-point): Update documentation
1740 that -Wsequence-point is implemented for C++ as well.
1742 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1744 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1745 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1746 (LIB_SPEC): Likewise.
1747 * doc/invoke.texi (SPARC options): Document -pthread.
1749 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1751 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1752 PIC addresses.
1754 2006-02-07 Roger Sayle <roger@eyesopen.com>
1756 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1757 Correct comment describing BOOLEAN_TYPE.
1759 2006-02-07 Dirk Mueller <dmueller@suse.com>
1761 * c.opt: C++ frontend supports -Wdiv-by-zero.
1762 * c-opts.c (c_common_handle_option): Remove dead case.
1764 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1766 * configure.ac (TLS assembler check): Do not enable TLS by
1767 default on SPARC/Solaris before version 10.
1768 * configure: Regenerate.
1770 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1772 * doc/invoke.texi (xl-compat): Document conversion and support
1773 routine names.
1775 2006-02-07 Jeff Law <law@redhat.com>
1777 * tree-vrp.c (find_conditional_asserts): Update comments.
1778 (simplify_stmt_for_jump_threading): New.
1779 (identify_jump_threads, finalize_jump_threads): New.
1780 (vrp_finalize): Call identify_jump_threads.
1781 (execute_vrp): Call finalize_jump_threads.
1782 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1783 (vrp_element, vrp_data, vrp_element_p): Remove.
1784 (vrp_hash_elt, vrp_variables_stack): Remove.
1785 (vrp_hash, vrp_eq, record_range): Remove.
1786 (simplify_cond_and_lookup_avail_expr): Remove.
1787 (extract_range_from_cond): Remove.
1788 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1789 (simplify_stmt_for_jump_threading): New.
1790 (dom_thread_across_edge): New wrapper.
1791 (tree_ssa_dominator_optimize): No longer initialize or
1792 finalize any of the VRP datastructures. Remove iteration
1793 step and simplify as a result of removal of iteration step.
1794 (pass_dominator): Perform a cfg cleanup after DOM.
1795 (dom_opt_finalize_block): Use the new common routines
1796 for threading jumps. Simplify stack management slightly.
1797 No longer need to unwind VRP state.
1798 (record_equivalences_from_incoming_edge): No longer record
1799 VRP information.
1800 (eliminate_redundant_computations): No longer call
1801 simplify_cond_and_lookup_avail_expr.
1802 * tree-flow.h (potentially_threadable_block): Prototype.
1803 (thread_across_edge): Likewise.
1804 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1805 (tree-ssa-threadedge.o): Add dependencies.
1806 * tree-ssa-threadedge.c: New file.
1807 * passes.c (init_optimization_passes): Merge PHIs before
1808 calling VRP. Run VRP again late in the SSA optimization pipeline.
1810 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1812 * df-core.c (df_set_blocks): Do not dereference function pointers.
1813 (df_finish1): Likewise.
1814 (df_hybrid_search_forward): Likewise.
1815 (df_hybrid_search_backward): Likewise.
1816 (df_iterative_dataflow): Likewise.
1817 (df_analyze_problem): Likewise.
1818 (df_compact_blocks): Likewise.
1819 (df_dump): Likewise.
1820 * df-scan.c (df_rescan_blocks): Likewise.
1821 (df_record_entry_block_defs): Likewise.
1823 * genconditions.c (write_conditions): Guard the definition of
1824 'insn_conditions' with the check on GCC version.
1825 (write_writer): Guard the traversal 'insn_conditions' with
1826 the check on GCC version.
1828 2006-02-07 Richard Guenther <rguenther@suse.de>
1830 PR c++/26140
1831 Revert
1832 2006-01-30 Richard Guenther <rguenther@suse.de>
1833 PR c++/23372
1834 * gimplify.c (gimplify_target_expr): Handle easy cases
1835 without creating a temporary.
1837 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1839 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1840 use of float in probability computations. Use edge probabilities
1841 in place of statically computed probabilities.
1842 (min_spec_prob): New static variable.
1843 (schedule_insns): Initialize it.
1844 (GET_SRC_PROB): Removed.
1845 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1847 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1849 PR debug/24444
1850 * config/ia64/unwind-ia64.c: Revert last change.
1851 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1852 (INCOMING_FRAME_SP_OFFSET): Define.
1854 2006-02-06 Roger Sayle <roger@eyesopen.com>
1856 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1858 2006-02-07 Ben Elliston <bje@au.ibm.com>
1860 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1861 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1862 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1863 (ix86_return_in_memory): Handle TDmode.
1864 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1865 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1867 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1869 * reorg.c (dbr_schedule): Use dump_file instead of file.
1871 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1873 PR target/25917
1874 * config/ia64/predicates.md (extr_len_operand): New predicate.
1875 * config/ia64/ia64.md (extv): Tighten constraints.
1876 (extzv): Ditto.
1877 (*tbit_and_2): Ditto.
1878 (*tbit_and_3): Ditto.
1879 (*tbit_or_2): Ditto.
1880 (*tbit_or_3): Ditto.
1881 (*bit_zero): Ditto.
1882 (*bit_one): Ditto.
1884 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1886 PR target/23359
1887 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1889 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1891 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1892 loop_optimizer_init and loop_optimizer_finalize
1893 * tree-ssa-sink.c (execute_sink_code): Ditto.
1894 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1895 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1896 tree_ssa_loop_done): Ditto.
1897 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1898 * sched-ebb.c: Include output.h.
1899 (schedule_ebbs): Do not use dump argument.
1900 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1901 * loop.c (loop_dump_stream): Removed.
1902 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1903 argument.
1904 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1905 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1906 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1907 loop_iterations, strength_reduce, record_biv, record_giv,
1908 final_giv_value, check_final_value, check_ext_dependent_givs,
1909 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1910 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1911 dump_file instead of loop_dump_stream.
1912 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1913 argument dump_file.
1914 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1915 dump argument.
1916 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1917 * haifa-sched.c: Include output.h
1918 (schedule_insns, sched_init): Do not use dump argument.
1919 * mode-switching.c (optimize_mode_switching): Ditto.
1920 * modulo-sched.c (stats_file): Removed.
1921 (print_node_sched_params): Do not call argument dump_file.
1922 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1923 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1924 of stats_file.
1925 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1926 use dump argument.
1927 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1928 rtl_loop_init, rtl_loop_done): Ditto.
1929 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1930 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1931 Ditto.
1932 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1933 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1934 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1935 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1936 * emit-rtl.c (renumber_insns): Ditto.
1937 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1938 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1939 * regclass.c (regclass): Ditto.
1940 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1941 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1942 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1943 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1944 Ditto.
1945 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1946 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1947 to regclass.
1948 * gcse.c (gcse_file, debug_stderr): Removed.
1949 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1950 rest_of_handle_gcse): Do not use dump argument.
1951 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1952 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1953 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1954 compute_code_hoist_vbeinout, compute_code_hoist_data,
1955 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1956 compute_store_table, build_store_vectors, insert_insn_start_bb,
1957 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1958 store_motion): Use dump_file instead of gcse_file.
1959 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1960 * profile.c (profile_dump_file): Removed.
1961 (branch_prob): Use dump_file instead of profile_dump_file.
1962 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1963 dump_file.
1964 * tree-ssa-copy.c (dump_copy_of): Ditto.
1965 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1966 dump file to life_analysis.
1967 * bt-load.c (branch_target_load_optimize): Ditto.
1968 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1969 renumber_insns.
1970 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1971 regclass, dbr_schedule): Declaration changed.
1972 * sched-int.h (sched_init): Declaration changed.
1973 * tree-profile.c (tree_profile_dump_file): Removed.
1974 (tree_profile_hooks): Removed profile_dump_file hook.
1975 * rtl-profile (rtl_profile_dump_file): Removed.
1976 (rtl_profile_hooks): emoved profile_dump_file hook.
1977 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1978 changed.
1979 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1980 * tree-cfg.c (build_tree_cfg): Ditto.
1981 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1982 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1983 Declaration changed.
1984 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1985 life_analysis and schedule_insns.
1986 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1987 life_analysis.
1988 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1989 dbr_schedule.
1990 * config/mips/mips.c (mips_reorg): Ditto.
1991 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1992 schedule_ebbs.
1994 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1996 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1997 (s390_mangle_fundamental_type): New.
1998 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1999 Define.
2001 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2002 (alpha_mangle_fundamental_type): New.
2003 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2004 Define.
2006 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2007 Define.
2008 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2009 Define.
2010 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2011 (sparc_mangle_fundamental_type): New.
2013 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2015 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2016 (s390x-*-linux*): Likewise.
2017 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2018 * config/s390/t-linux: New file.
2020 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2022 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2023 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2025 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2027 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2028 (ANTIC_SAFE_LOADS): New macro.
2029 (find_or_generate_expression): Add prototype.
2030 (set_contains_value): Allow null set for sake of not always having
2031 to allocate ANTIC_SAFE_LOADS.
2032 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2033 Allow COMPONENT_REF too.
2034 (valid_in_set): Allow COMPONENT_REF.
2035 Check ANTIC_SAFE_LOADS too.
2036 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2037 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2038 rename.
2039 (can_PRE_operation): Add COMPONENT_REF.
2040 (create_component_ref_by_pieces): New function.
2041 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2042 (insert_aux): Move AGGREGATE_TYPE_P check here.
2043 (compute_avail): Set bb local stmt uids.
2044 (pass_pre): Use TODO_update_ssa_only_virtuals.
2046 2006-02-06 Ben Elliston <bje@au.ibm.com>
2048 * configure.ac: Unconditionally disable decimal float by default.
2049 * configure: Regenerate.
2051 2006-02-06 Ben Elliston <bje@au.ibm.com>
2053 * read-rtl.c (read_name): Terminate reading on EOF.
2055 2006-02-06 Ben Elliston <bje@au.ibm.com>
2057 * dfp.c (decimal_real_arithmetic): Change second argument type
2058 from int to enum tree_code. Do not always return true, but now
2059 return result of any call to decimal_do helper functions.
2060 * dfp.h (decimal_real_arithmetic): Update prototype.
2062 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2064 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2066 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2068 PR tree-opt/25251
2069 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2070 forced labels.
2072 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2074 * tree-vrp.c (cfg_loops): Removed.
2075 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2076 Use current_loops instead of cfg_loops. Pass flags to
2077 loop_optimizer_init.
2078 * cfgloopmanip.c (fix_loop_structure): Update only available
2079 information.
2080 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2081 loop_optimizer_init.
2082 * modulo-sched.c (build_loops_structure): Removed.
2083 (sms_schedule): Use loop_optimizer_init.
2084 * loop-init.c (loop_optimizer_init): Use flags to determine
2085 which properties of loops to prepare.
2086 (rtl_loop_init): Pass flags to loop_optimizer_init.
2087 * tree-ssa-sink.c (execute_sink_code): Ditto.
2088 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2089 * tree-ssa-pre.c (init_pre): Ditto.
2090 * cfgloop.h (LOOPS_NORMAL): New.
2091 (loop_optimizer_init): Declaration changed.
2093 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2095 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2096 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2097 pa/t-pa.
2098 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2099 pa/t-pa.
2100 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2101 pa/x-ada.
2102 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2103 * pa/t-pa64: Delete quadlib.c rule.
2104 * pa/x-ada: Revert last change.
2105 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2107 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2109 PR rtl-optimization/26087
2110 * rtlanal.c (canonicalize_condition): Do not cross basic block
2111 boundaries.
2113 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2115 PR debug/24444
2116 * config/ia64/ia64.c: Include debug.h.
2117 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2118 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2119 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2120 (process_epilogue, process_set, process_for_unwind_directive):
2121 Output unwind info only if requested. Add CFA info if requested.
2122 Add new arguments as needed. Adjust callers.
2123 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2124 incorrect default.
2125 (DWARF2_FRAME_INFO): Define to zero.
2126 * config/ia64/unwind-ia64.c: Remove code that compensated for
2127 the CFA offset error fixed above.
2128 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2129 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2130 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2131 -funwind-tables and -fexceptions to enable frame info.
2132 (dwarf2out_frame_init): Define initial CFA even if
2133 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2134 DWARF2_UNWIND_INFO is nonzero, not just defined.
2135 (dwarf2out_frame_finish): Output non-EH call frame info only
2136 if DWARF2_FRAME_INFO is nonzero.
2137 (convert_cfa_to_loc_list,
2138 compute_frame_pointer_to_cfa_displacement): Define even if
2139 unwind info is not supported.
2140 (gen_subprogram_die): Use the above unconditionally. Remove
2141 legacy alternate code.
2142 * toplev.c (compile_file): Compile in call to
2143 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2144 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2146 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2147 Jakub Jelinek <jakub@redhat.com>
2149 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2150 IBM extended float format long double as "g" on powerpc*-linux.
2152 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2154 PR target/25926
2155 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2156 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2158 2006-02-03 Jason Merrill <jason@redhat.com>
2160 PR c++/25979
2161 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2163 PR middle-end/25977
2164 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2165 on the return slot if it's an NRV.
2167 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2169 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2170 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2171 rewrite_use): Do not handle USE_OUTER.
2172 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2173 add_iv_outer_candidates, may_replace_final_value,
2174 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2175 (find_interesting_uses_op): Functionality of
2176 find_interesting_uses_outer_or_nonlin moved here.
2177 (find_interesting_uses_outside): Use find_interesting_uses_op.
2179 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2181 PR target/25960
2182 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2184 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2185 Ulrich Weigand <uweigand@de.ibm.com>
2187 PR target/25864
2188 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2189 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2190 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2191 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2192 and dxr fields.
2193 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2194 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2195 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2196 Define secondary reloads for TFmode moves.
2197 (constant_modes): Add TFmode.
2198 (NR_C_MODES): Set to 8.
2199 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2200 builtin define.
2201 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2202 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2203 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2204 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2205 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2206 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2207 (FPR mode macro): Add TFmode.
2208 (DSF mode macro): New.
2209 (<de>, <dee> mode attributes): Removed.
2210 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2211 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2212 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2213 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2214 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2215 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2216 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2217 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2218 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2219 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2220 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2221 "*negabs<mode>2", "sqrt<mode>2"):
2222 Changed <de> to <xde>. R constraint replaced by <Rf>.
2223 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2224 <Rf>.
2225 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2226 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2227 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2228 splitters.
2229 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2230 "extenddftf2", "extendsftf2"): New expanders.
2231 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2232 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2233 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2234 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2235 New options.
2236 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2237 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2238 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2239 __floatditf): Add a GCC_4.1.0 symbol version tag.
2240 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2241 the new options.
2243 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2245 PR target/25377
2246 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2247 Use targetm.binds_local_p instead of TREE_PUBLIC.
2249 2006-02-02 Roger Sayle <roger@eyesopen.com>
2251 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2252 on INTEGER_TYPEs to indicate that it denotes a character type.
2253 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2254 signed_char_type_node, unsigned_char_type_node and char_type_node.
2255 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2256 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2257 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2259 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2260 Daniel Berlin <dberlin@dberlin.org>
2262 * tree-tailcall.c (arg_needs_copy_p): New function.
2263 (eliminate_tail_call): Use arg_needs_copy_p.
2264 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2265 (add_virtual_phis): New function.
2267 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2269 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2270 #ignore instead of #scratch for %g7 .register directive.
2272 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2274 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2275 object files.
2277 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2279 * flow.c (calculate_global_regs_live): Assert that there aren't any
2280 EDGE_FAKE edges.
2282 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2284 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2285 what its name says.
2286 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2287 bsi_after_labels iterator.
2288 * tree-if-conv.c (find_phi_replacement_condition,
2289 replace_phi_with_cond_modify_expr): Likewise.
2290 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2291 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2293 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2295 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2297 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2299 PR 25990
2300 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2301 array after growing it.
2303 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2305 PR middle-end/24901
2306 * fold-const.c (fold_checksum_tree): Change type of buf.
2308 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2310 * reload.c (push_secondary_reload): Initialize t_icode.
2312 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2314 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2315 -msoft-float -mlong-double-128 only issue a warning, but don't
2316 swich to DFmode long double.
2318 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2320 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2321 has a constant equivalent, iterate over equivalents for arg0,
2322 calling simplify_relational_operation and if there's a result
2323 cheaper than X, apply fold_rtx and return the result.
2325 2006-02-01 Jan Hubicka <jh@suse.cz>
2327 * opts.c (no_unit_at_a_time_default): New global variable.
2328 (decode_options): Use it.
2329 * opts.h (no_unit_at_a_time_default): Declare.
2331 2006-02-01 Paul Brook <paul@codesourcery.com>
2333 * function.c (assign_parm_setup_reg): Use function argument promotion
2334 rules.
2335 * expr.c (expand_expr_real_1): Use function argument promotion rules
2336 for PARM_DECLs.
2338 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2340 * gcc.c (process_command): Change j to 'unsigned int'.
2342 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2344 PR middle-end/26001
2345 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2346 Use the corrected index for the character
2347 out of the string constant.
2349 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2351 * mode-switching.c (optimize_mode_switching): Fix size
2352 allocated for bb_info[n_entities].
2354 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2356 * gcc.c (main): Correct type that is allocated for
2357 explicit_link_files.
2359 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2361 * config/s390/s390.c (init_alignment_context): Set
2362 ALIAS_SET_MEMORY_BARRIER on the MEM.
2363 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2365 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2367 PR middle-end/25933
2368 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2369 dom_bbs pointer.
2370 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2371 call to tpa_init.
2373 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2375 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2376 * regrename.c: Ditto.
2377 * tree-ssa-loop-im.c: Ditto.
2378 * tree-dump.c: Ditto.
2379 * tree-complex.c: Ditto.
2380 * genrecog.c: Ditto.
2381 * tree-ssa-threadupdate.c: Ditto.
2382 * tracer.c: Ditto.
2383 * java/class.c: Ditto.
2384 * java/jcf-parse.c: Ditto.
2385 * java/resource.c: Ditto.
2386 * java/except.c: Ditto.
2387 * java/jvspec.c: Ditto.
2388 * java/jcf-write.c: Ditto.
2389 * java/jcf-path.c: Ditto.
2390 * java/gjavah.c: Ditto.
2391 * java/zextract.c: Ditto.
2392 * java/jcf-io.c: Ditto.
2393 * java/jcf.h: Ditto.
2394 * java/buffer.c: Ditto.
2395 * java/lang.c: Ditto.
2396 * java/parse-scan.y: Ditto.
2397 * java/lex.c: Ditto.
2398 * java/lex.h: Ditto.
2399 * cfgloopmanip.c: Ditto.
2400 * postreload-gcse.c: Ditto.
2401 * tree-ssa-loop-manip.c: Ditto.
2402 * postreload.c: Ditto.
2403 * tree-ssa-loop-ch.c: Ditto.
2404 * loop.c: Ditto.
2405 * ipa-cp.c: Ditto.
2406 * cppspec.c: Ditto.
2407 * diagnostic.c: Ditto.
2408 * final.c: Ditto.
2409 * genoutput.c: Ditto.
2410 * gcc.c: Ditto.
2411 * cfghooks.c: Ditto.
2412 * cfgloopanal.c: Ditto.
2413 * objc/objc-act.c: Ditto.
2414 * gcov.c: Ditto.
2415 * genextract.c: Ditto.
2416 * genautomata.c: Ditto.
2417 * pretty-print.c: Ditto.
2418 * genemit.c: Ditto.
2419 * cgraphunit.c: Ditto.
2420 * flow.c: Ditto.
2421 * df-scan.c: Ditto.
2422 * haifa-sched.c: Ditto.
2423 * dominance.c: Ditto.
2424 * dbxout.c: Ditto.
2425 * tree-ssa-loop-ivopts.c: Ditto.
2426 * df-core.c: Ditto.
2427 * mode-switching.c: Ditto.
2428 * modulo-sched.c: Ditto.
2429 * graph.c: Ditto.
2430 * ipa-pure-const.c: Ditto.
2431 * cse.c: Ditto.
2432 * fix-header.c: Ditto.
2433 * web.c: Ditto.
2434 * tree-stdarg.c: Ditto.
2435 * ipa-utils.c: Ditto.
2436 * loop-init.c: Ditto.
2437 * ipa-inline.c: Ditto.
2438 * cfganal.c: Ditto.
2439 * global.c: Ditto.
2440 * alloc-pool.c: Ditto.
2441 * dwarf2out.c: Ditto.
2442 * opts.c: Ditto.
2443 * genattrtab.c: Ditto.
2444 * tree-ssa-loop-ivcanon.c: Ditto.
2445 * predict.c: Ditto.
2446 * timevar.c: Ditto.
2447 * lcm.c: Ditto.
2448 * fortran/gfortranspec.c: Ditto.
2449 * regmove.c: Ditto.
2450 * local-alloc.c: Ditto.
2451 * langhooks.c: Ditto.
2452 * function.c: Ditto.
2453 * tree-vectorizer.c: Ditto.
2454 * gcse.c: Ditto.
2455 * ipa-type-escape.c: Ditto.
2456 * alias.c: Ditto.
2457 * tree-if-conv.c: Ditto.
2458 * profile.c: Ditto.
2459 * ipa.c: Ditto.
2460 * tree-data-ref.c: Ditto.
2461 * loop-unroll.c: Ditto.
2462 * treelang/treetree.c: Ditto.
2463 * calls.c: Ditto.
2464 * bt-load.c: Ditto.
2465 * ggc-common.c: Ditto.
2466 * except.c: Ditto.
2467 * coverage.c: Ditto.
2468 * cselib.c: Ditto.
2469 * tree-cfgcleanup.c: Ditto.
2470 * tree-ssa-pre.c: Ditto.
2471 * cfgcleanup.c: Ditto.
2472 * loop-invariant.c: Ditto.
2473 * loop-iv.c: Ditto.
2474 * ipa-prop.c: Ditto.
2475 * print-tree.c: Ditto.
2476 * conflict.c: Ditto.
2477 * ggc-page.c: Ditto.
2478 * sched-deps.c: Ditto.
2479 * regclass.c: Ditto.
2480 * tree-object-size.c: Ditto.
2481 * combine.c: Ditto.
2482 * bb-reorder.c: Ditto.
2483 * resource.c: Ditto.
2484 * var-tracking.c: Ditto.
2485 * cfgloop.c: Ditto.
2486 * df-problems.c: Ditto.
2487 * reg-stack.c: Ditto.
2488 * tlink.c: Ditto.
2489 * gccspec.c: Ditto.
2490 * sched-rgn.c: Ditto.
2491 * tree-ssa-structalias.c: Ditto.
2492 * tree-ssa-reassoc.c: Ditto.
2493 * config/darwin-c.c: Ditto.
2494 * config/darwin.c: Ditto.
2495 * config/arm/arm.c: Ditto.
2496 * cfgrtl.c: Ditto.
2497 * collect2.c: Ditto.
2498 * reload1.c: Ditto.
2500 2006-01-31 Nicolas Pitre <nico@cam.org>
2502 * arm.md (smaxsi3): Make aware of smax_m1.
2503 (smax_m1): New.
2505 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2507 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2509 2006-01-31 Richard Guenther <rguenther@suse.de>
2511 * doc/invoke.texi (-msselibm): Document.
2512 * target.h (expand_library_builtin): New target hook.
2513 * builtins.c (expand_builtin): Use expand_library_builtin.
2514 (default_expand_library_builtin): New function.
2515 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2516 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2517 (link_gcc_math_spec): Declare.
2518 (static_specs): Add link_gcc_math_spec.
2519 * expr.h (default_expand_library_builtin): Declare.
2520 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2521 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2522 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2523 * config/i386/i386.opt (msselibm): New target option.
2524 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2525 (ix86_init_sse_abi_builtins): New function.
2526 (ix86_expand_library_builtin): Likewise.
2527 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2528 (override_options): Handle error conditions wrt -msselibm.
2529 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2530 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2531 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2532 builtins.
2534 2006-01-31 Richard Guenther <rguenther@suse.de>
2535 Paolo Bonzini <bonzini@gnu.org>
2537 * doc/install.texi (--disable-libgcc-math): Document.
2539 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2541 * expr.h (expand_normal): new inline function.
2542 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2543 * dojump.c: use it.
2544 * dwarf2out.c: use it.
2545 * expr.c: use it.
2546 * calls.c: use it.
2547 * expmed.c: use it.
2548 * except.c: use it.
2549 * config/sparc/sparc.c: use it.
2550 * config/i386/i386.c: use it.
2551 * config/rs6000/rs6000.c: use it.
2552 * config/arm/arm.c: use it.
2553 * config/mips/mips.c: use it.
2554 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2556 2006-01-30 Roger Sayle <roger@eyesopen.com>
2558 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2559 argv to the appropriate type.
2561 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2563 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2564 unreachable code.
2566 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2568 PR target/26018
2569 * config/s390/s390.c (struct machine_function): New flag
2570 decomposed_literal_pool_addresses_ok_p.
2571 (s390_reorg): Set it before final stage of literal pool transforms.
2572 (s390_decompose_address): Only accept displacements of the form
2573 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2575 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2577 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2578 the comparison routine return.
2580 2006-01-30 Michael Matz <matz@suse.de>
2582 * global.c (find_reg): Only evict for global regs.
2583 Take n_refs into account and dump more info.
2585 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2587 PR target/14798:
2588 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2589 (pragma_trap, pragma_nosave_low_regs): Likewise.
2590 (current_function_anonymous_args): Likewise.
2591 (sh_deferred_function_attributes): New variable.
2592 (sh_deferred_function_attributes_tail): Likewise.
2593 (print_operand): For '@', look up trap_exit attribute.
2594 (calc_live_regs): Look up trapa_handler attribute. For trapa
2595 handlers, save/restore fpscr, but don't do any other
2596 interrupt-specific saves.
2597 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2598 Fix check for partially saved registers to check for SHmedia.
2599 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2600 (sh_output_function_epilogue): Don't clear any of the removed
2601 variables.
2602 (sh_insert_attributes): Don't check pragma_interrupt.
2603 Insert deferred attributes. Check that interrupt attribute is
2604 present for other attributes that require its presence.
2605 (sh_attribute_table): Add new attributes trapa_handler and
2606 nosave_low_regs.
2607 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2608 Don't check for pragma_interrupt. Don't store argument.
2609 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2610 (sh_deferred_function_attributes): Declare.
2611 (sh_deferred_function_attributes_tail): Likewise.
2612 * sh.md (sp_switch_1): Add operand. Change generator caller.
2613 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2614 (*return_i): Don't use when trap_exit attribute is in effect.
2615 (*return_trapa): New insn pattern.
2616 * sh-c.c: New file.
2617 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2618 setting c_target_objs and cxx_target_objs.
2619 * t-sh: Add rule for sh-c.o.
2621 2006-01-30 Richard Guenther <rguenther@suse.de>
2623 PR c++/23372
2624 * gimplify.c (gimplify_target_expr): Handle easy cases
2625 without creating a temporary.
2627 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2629 * vec.h (safe_grow): Remove duplicated line.
2631 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2633 PR 25874
2634 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2635 (expand_omp): ... here.
2636 (expand_omp_parallel): Only remove barriers for combined
2637 parallel+workshare constructs.
2639 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2641 Revert
2643 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2644 * tree.c (build_qualified_type): Chain the new type to the original
2645 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2646 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2647 (build_pointer_type_for_mode): Only return unqualified types.
2648 (build_reference_type_for_mode): Likewise.
2650 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2652 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2653 * Makefile.in (CXX_COMPAT_WARN): Define.
2654 * configure: Regenerate.
2656 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2658 PR tree-opt/25911
2659 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2660 to an if check.
2662 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2664 * toplev.c: Fix thinko.
2666 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2667 Marcin Dalecki <martin@dalecki.de>
2669 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2670 (push_srcloc): Use XNEW.
2671 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2673 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2675 * df-core.c (df_set_blocks): Deleted all variable.
2677 2006-01-28 Ian Lance Taylor <ian@airs.com>
2679 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2680 cgraph_output_pending_asms.
2682 2006-01-28 Zack Weinberg <zackw@panix.com>
2684 * c.opt: Add -W(no-)overlength-strings.
2685 * doc/invoke.texi: Document it.
2686 * c-opts.c (c_common_handle_option): -pedantic implies
2687 -Woverlength-strings, if not explicitly disabled already.
2688 (c_common_post_options): -Woverlength-strings defaults to off, and
2689 is always off for C++.
2690 * c-common.c (fix_string_type): Issue warning about strings longer
2691 than is portable only if warn_overlength_strings. Rearrange code
2692 a little for clarity.
2693 * configure.in: Check for -Wno-overlength-strings as well before
2694 enabling -pedantic in stage 1.
2695 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2696 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2698 * genconditions.c (write_header, write_one_condition)
2699 (write_conditions, write_writer): Consolidate very long strings
2700 that were broken up to fit in C89 portable limit. Don't use
2701 printf when fputs will do.
2703 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2705 * combine.c (simplify_comparison <AND>): Check
2706 TRULY_NOOP_TRUNCATION before start using a subreg.
2708 * config/mips/mips.md (*branch_zero<mode>,
2709 *branch_zero<mode>_inverted, *branch_equality<mode>,
2710 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2711 Remove mode check from comparisons.
2713 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2715 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2717 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2719 * expmed.c (const_mult_add_overflow_p): Remove.
2720 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2722 * recog.c (validate_replace_rtx_subexp): Remove.
2723 * recog.h: Remove the prototype for
2724 validate_replace_rtx_subexp.
2726 * integrate.h: Remove the prototype for
2727 copy_decl_for_inlining.
2728 * rtl.h: Remove the prototype for mark_constant_function.
2729 * tree-vectorizer.h: Remove the prototype for
2730 vect_strip_conversion.
2732 * modulo-sched.c (create_partial_schedule,
2733 free_partial_schedule, reset_partial_schedule): Make them
2734 static.
2736 * hooks.c (hook_bool_rtx_int_false): Remove.
2737 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2739 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2741 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2742 and -mlong-double-128 are incompatible.
2743 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2744 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2745 (TARGET_LIBGCC2_CFLAGS): Define.
2746 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2747 (TARGET_LIBGCC2_CFLAGS): Same.
2748 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2750 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2752 PR c/19606.
2753 * c-typeck.c (build_binary_op): Perform implicit casts of
2754 operands before shortening them.
2756 * cfgloopmanip.c (split_loop_bb): Remove.
2757 * cfgloop.h: Remove the prototype for split_loop_bb.
2759 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2760 * cfgloop.h: Remove the prototype for
2761 flow_loop_outside_edge_p.
2763 * emit-rtl.c (init_virtual_regs): Make it static.
2764 * function.h: Remove the prototype for init_virtual_regs.
2766 * recog.c (peephole2_optimize): Make it static.
2767 * recog.h: Remove the prototype for peephole2_optimize.
2769 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2771 * df-scan.c (df_record_entry_block_defs): Check if
2772 INCOMING_RETURN_ADDR_RTX is defined.
2774 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2775 Kenneth Zadeck <zadeck@naturalbridge.com>
2777 PR rtl-optimization/24762
2778 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2779 * targhooks.c (hook_void_bitmap): New hook prototype.
2780 * targhoohs.h (hook_void_bitmap): Ditto.
2781 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2782 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2783 * target.h (live_on_entry): New function pointer.
2784 * df-scan.c (df_all_hard_regs): Removed.
2785 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2786 (df_scan_free_internal): Added df->entry_block_defs.
2787 (df_scan_alloc): Ditto.
2788 (df_scan_dump): Ditto.
2789 (df_uses_record): Plumbed flag field properly thru calls.
2790 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2791 This part fixes PR24762.
2792 (df_bb_refs_record): Added code to make the frame and arg
2793 pointers live in EH blocks.
2794 (df_refs_record): Added call to df_record_entry_block_defs.
2795 (df_record_entry_block_defs): New function.
2796 * df-core.c: Added comments to describe new artifical defs.
2797 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2798 (entry_block_defs): New field in struct df.
2799 (df_all_hard_regs): Deleted.
2800 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2801 * df-problems.c (df_ru_bb_local_compute_process_def):
2802 Added code to handle artifical defs in the entry to a function.
2803 (df_ru_bb_local_compute): Ditto.
2804 (df_rd_bb_local_compute_process_def): Ditto.
2805 (df_rd_bb_local_compute): Ditto.
2806 (df_lr_bb_local_compute): Ditto.
2807 (df_ur_bb_local_compute): Ditto.
2808 (df_urec_bb_local_compute): Ditto.
2809 (df_chain_create_bb): Ditto.
2810 (df_ur_local_finalize): Removed entry.
2811 (df_urec_init): Ditto.
2812 (df_urec_local_finalize): Ditto.
2813 (df_ri_bb_compute): Added detection of last use of pseudos.
2814 * Makefile.in (df-scan.o): Updated dependencies.
2815 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2816 * config/mips/mips.c (mips_set_live_on_entry): Added.
2817 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2818 for target hook.
2819 * dce.c (marked_insn_p): Added code to handle artifical defs.
2821 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2823 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2824 intrinsic.
2825 (_mm_cvtsi128_si64): Likewise.
2826 (_mm_cvtsd_si64): Likewise.
2827 (_mm_cvttsd_si64): Likewise.
2828 (_mm_cvtsi64_sd): Likewise.
2829 (_mm_cvtsi64_si128): Likewise.
2830 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2831 (_mm_cvtsi64_m64): Likewise.
2832 (_m_to_int64): Likewise.
2833 (_mm_cvtm64_si64): Likewise.
2834 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2835 (_mm_cvttss_si64): Likewise.
2836 (_mm_cvtsi64_ss): Likewise.
2837 (_mm_cvtss_f32): Likewise.
2839 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2841 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2842 for pragma redefine_extname.
2844 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2846 PR target/25864
2847 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2848 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2849 -mno-minimal-toc to previous content.
2850 (bispecs): Remove goal.
2851 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2852 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2853 compatibility aliases on powerpc-*-*gnu*.
2854 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2855 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2856 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2857 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2858 (ldblspecs): New goal.
2859 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2860 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2861 _df_to_tf.
2862 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2863 L_sf_to_tf or L_df_to_tf is defined.
2865 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2866 Alan Modra <amodra@bigpond.net.au>
2868 PR target/25864
2869 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2870 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2871 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2872 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2873 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2874 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2875 (rs6000_override_options): Initialize rs6000_ieeequad.
2876 Initialize TFmode format to ibm_extended_format if not
2877 TARGET_IEEEQUAD.
2878 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2879 ieeelongdouble.
2880 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2881 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2882 (function_arg_advance): IBM long double passed in two FPRs, not
2883 split.
2884 (function_arg): IBM long double passed in FPRs.
2885 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2886 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2887 Only multireg GPR aligned.
2888 (rs6000_init_libfuncs): Enable IBM long double functions if not
2889 IEEEQUAD.
2890 (rs6000_generate_compare): Use IBM long double compare if not
2891 TARGET_IEEEQUAD.
2892 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2893 (TARGET_IEEEQUAD): Define.
2894 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2895 not TARGET_IEEEQUAD.
2896 * config/rs6000/rs6000.md: Enable TFmode patterns if
2897 !TARGET_IEEEQUAD.
2898 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2899 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2900 and -mlong-double-128 are incompatible.
2901 * doc/invoke.texi (-mabi): Collect options together. Add
2902 ibmlongdouble and ieeelongdouble.
2904 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2906 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2907 opaque type.
2908 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2909 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2910 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2911 * rtl.h (rtunion_def): Remove rt_ptr.
2912 (X0PTR): Delete.
2913 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2914 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2915 * config/i386/winnt.c (i386_pe_mark_dllexport)
2916 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2918 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2920 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2922 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2924 PR other/24829
2925 PR target/24831
2926 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2927 pthread_key_delete. From John David Anglin. gthrw-ify
2928 pthread_getunique_np only if it it's not a macro. Delete
2929 UNUSED macro.
2930 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2931 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2932 __gthread_objc_condition_signal, __gthread_key_delete): Add
2933 "__attribute__ ((__unused__))" to unused arguments.
2934 (__gthread_recursive_mutex_init_function): Add missing return.
2935 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2936 gthr-posix95.h: Use macro-based approach for name redirection
2937 on targets missing weakref.
2939 2006-01-26 Zack Weinberg <zackw@panix.com>
2941 * genconditions.c (write_header): In generated code, #ifdef out
2942 all includes and fake declarations, except includes of bconfig.h
2943 and system.h, unless GCC_VERSION >= 3001. Do not include
2944 gensupport.h in any case.
2945 (write_conditions): Generate a definition of struct c_test. Add
2946 a comment to the generated #endif.
2947 (write_one_condition): Escape backslashes in string too.
2948 (write_writer): Generated code must escape backslashes and quote
2949 marks (but not newlines) in the strings it writes.
2950 * Makefile.in (build/gencondmd.o): Update dependencies.
2952 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2954 PR target/25961
2955 * Makefile.in (insn-automata.o): Add header file dependencies.
2956 * genautomata.c: Add includes.
2958 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2960 PR target/25961
2961 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2963 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2965 * configure.ac: Expect target tools paths to be passed from the toplevel
2966 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2967 AS_SET_VAR_IF.
2968 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2970 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2972 PR c/25892
2973 * c.opt (Wpointer-sign): Init to -1.
2974 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2975 OPT_pedantic, to 0 otherwise.
2976 * doc/invoke.texi: Update.
2978 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2980 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2981 constants provided by 80387 instructions in the destination mode.
2983 2006-01-26 Richard Guenther <rguenther@suse.de>
2984 Andrew Pinski <pinskia@physics.uc.edu>
2986 PR tree-opt/21470
2987 partial PR tree-opt/17064
2988 * tree-ssa-structalias.c (intra_create_variable_infos):
2989 Create heap variables for incoming parameters if
2990 flag_argument_noalias > 1.
2991 (find_what_p_points_to): Look through default defs of
2992 parameter decls.
2994 2006-01-26 Jeff Law <law@redhat.com>
2996 PR ada/25900
2997 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2998 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2999 within the VR_RANGE, use the VR_RANGE as the result, not the
3000 VR_ANTI_RANGE.
3001 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3002 bounds for the type.
3004 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3006 * tree-ssa-alias.c (maybe_create_global_var): Change
3007 subvar walking to an assertion that we don't have subvar'd variables.
3009 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3011 PR C/25861
3012 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3013 Use a new variable, inner. PARM_DECLs are always non-weak.
3015 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3017 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3018 --disable-checking.
3020 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3022 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3024 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3026 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3027 (smax_insn, smin_insn, smax_0, smin_0): New.
3029 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3031 PR target/25947
3032 * config/cris/cris.c (cris_order_for_addsi3): New function.
3033 * config/cris/cris-protos.h: Prototype it.
3034 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3035 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3036 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3037 (split for "op.S1 [rx=rx+i],ry (swapped)")
3038 (split for "op(s|u).S1 [rx=rx+i],ry")
3039 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3040 Apply cris_order_for_addsi3 when generating addsi3 insns.
3042 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3044 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3045 (TREE_BLOCK): Add call to EXPR_CHECK.
3047 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3049 PR 25886
3050 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3051 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3052 (dump_omp_clauses): ... here.
3053 (dump_generic_node): Handle OMP_CLAUSE.
3054 * tree.c (omp_clause_num_ops): New.
3055 (omp_clause_code_name): New.
3056 (tree_code_size): Handle OMP_CLAUSE.
3057 (tree_size): Likewise.
3058 (make_node): Document handling of OMP_CLAUSE.
3059 (tree_node_structure): Handle OMP_CLAUSE.
3060 (omp_clause_check_failed): New.
3061 (omp_clause_range_check_failed): New.
3062 (omp_clause_operand_check_failed): New.
3063 (build_omp_clause): New.
3064 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3065 * tree.h (enum omp_clause_code): Declare.
3066 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3067 (OMP_CLAUSE_RANGE_CHECK): Define.
3068 (OMP_CLAUSE_ELT_CHECK): Define.
3069 (omp_clause_check_failed): Declare.
3070 (omp_clause_operand_check_failed): Declare.
3071 (omp_clause_range_check_failed): Declare.
3072 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3073 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3074 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3075 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3076 (OMP_CLAUSE_IF_EXPR): Likewise.
3077 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3078 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3079 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3080 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3081 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3082 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3083 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3084 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3085 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3086 (OMP_CLAUSE_CODE): Define.
3087 (OMP_CLAUSE_SET_CODE): Define.
3088 (OMP_CLAUSE_CODE): Define.
3089 (OMP_CLAUSE_OPERAND): Define.
3090 (struct tree_omp_clause): Declare.
3091 (union tree_node): Add field 'omp_clause'.
3092 * treestruct.def (TS_OMP_CLAUSE): Define.
3093 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3094 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3095 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3096 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3097 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3098 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3099 (OMP_CLAUSE): Define.
3100 * print-tree.c (print_node): Handle OMP_CLAUSE.
3101 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3102 * c-typeck.c: Likewise.
3103 * gimplify.c: Likewise.
3104 * c-omp.c: Likewise.
3105 * tree-nested.c: Likewise.
3106 * tree-inline.c: Likewise.
3107 * c-parser.c: Likewise.
3108 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3109 clauses.
3111 2006-01-25 Roger Sayle <roger@eyesopen.com>
3113 PR rtl-optimization/25703
3114 * combine.c (try_combine): Handle zero_extract and strict_low_part
3115 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3117 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3119 * global.c: Fix comment typos.
3121 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3123 PR target/25758
3124 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3125 Use output_addr_const instead of assemble_name.
3127 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3129 * Makefile.in (sched-vis.o): Update dependencies.
3130 * haifa-sched.c (sched_finish): Clear current_sched_info.
3131 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3132 (dump_flow_info): Call it.
3133 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3134 a slim RTL dump.
3135 * basic-block.h (dump_bb_info): Declare.
3136 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3137 option, and apply options only for dump files whose TDF_RTL,
3138 TDF_TREE, or TDF_IPA bits match.
3139 * rtl.h: Declare new functions exported from sched-vis.c.
3140 * sched-vis.c: Enable also if scheduling is not used.
3141 (print_value): Print the mode of registers if not inside scheduling.
3142 (print_insn): Make it work outside the scheduler. Beautify the output
3143 a bit.
3144 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3146 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3148 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3149 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3150 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3151 depending on the value of CONSTANT_POOL_ADDRESS_P.
3152 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3153 SYMBOL_REF_DECL.
3154 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3155 rather than SYMBOL_REF_DECL.
3156 (rtx_constant_pool): Remove const_rtx_sym_htab.
3157 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3158 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3159 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3160 Remove handling of const_rtx_sym_htab.
3161 (find_pool_constant): Delete.
3162 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3163 rather than find_pool_constant.
3164 (get_pool_constant_for_function): Delete.
3165 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3166 find_pool_constant.
3167 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3168 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3169 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3170 (SYMBOL_REF_CONSTANT): New macro.
3171 (get_pool_constant_for_function): Delete.
3172 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3173 rather than SYMBOL_REF_DECL.
3174 (i386_pe_mark_dllimport): Likewise.
3175 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3176 rather than SYMBOL_REF_DECL.
3177 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3178 (machopic_indirect_call_target): Likewise.
3180 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3182 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3184 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3186 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3188 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3190 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3192 2006-01-24 David Daney <ddaney@avtrex.com>
3194 PR java/25816
3195 * configure.ac (enable_tls): New enable option.
3196 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3197 * configure: Regenerate.
3198 * doc/install.texi (--enable-tls): Document new option.
3199 (--disable-tls): Ditto.
3201 2006-01-24 Richard Henderson <rth@redehat.com>
3203 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3204 * alias.c (true_dependence): Respect it.
3205 (canon_true_dependence, write_dependence_p): Likewise.
3206 * builtins.c (get_builtin_sync_mem): Set it.
3208 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3210 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3211 efficient way.
3213 2006-01-24 DJ Delorie <dj@redhat.com>
3215 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3216 for storing constants in single-bit bitfields.
3218 2006-01-25 Ben Elliston <bje@au.ibm.com>
3220 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3222 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3224 PR tree-opt/25860
3225 * tree-ssa-pre.c (phi_translate): Return NULL
3226 for AGGREGATE_TYPE's.
3228 2006-01-24 Zack Weinberg <zackw@panix.com>
3230 * genautomata.c (process_state_for_insn_equiv_partition):
3231 Use xcalloc for insn_arcs_array.
3232 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3233 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3235 2006-01-24 Richard Henderson <rth@redhat.com>
3237 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3238 update all callers.
3240 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3242 PR rtl-optimization/25890
3243 PR rtl-optimization/25905
3244 * combine.c (expand_compound_operation, expand_field_assignment):
3245 Fail if the bitfield's final position is out of bounds.
3247 2006-01-24 Ian Lance Taylor <ian@airs.com>
3249 PR middle-end/25930
3250 * cgraphunit.c (cgraph_output_in_order): Don't clear
3251 cgraph_asm_nodes until after asm strings have been output.
3253 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3255 * fix-header.c (read_scan_file): Add new parameter imultilib when
3256 calling register_include_chains.
3258 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3260 * omp-low.c: Update documentation.
3262 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3263 Daniel Berlin <dberlin@dberlin.org>
3265 PR tree-opt/25315
3266 PR tree-opt/25857
3267 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3268 return from the function.
3270 2006-01-22 Zack Weinberg <zackw@panix.com>
3272 * rtl.def (match_code): Add second argument.
3273 * genpreds.c (write_extract_subexp): New function.
3274 (write_match_code): Add path argument. Use write_extract_subexp.
3275 (write_predicate_expr): Pass path to write_match_code.
3276 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3277 not perform a mode test.
3278 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3279 a subexpression does not constrain the top-level code set.
3280 * read-rtl.c (read_rtx_variadic): New function.
3281 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3282 * doc/md.texi: Document new notation.
3283 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3284 (cmpsi_operand): ... here, using new notation.
3286 2006-01-22 Zack Weinberg <zackw@panix.com>
3288 * varray.c: Remove GENERATOR_FILE #ifdefs.
3290 2006-01-22 Zack Weinberg <zackw@panix.com>
3292 * genautomata.c (output_reserved_units_table): Emit nothing if
3293 description->query_units_num is zero. Remove extra blank line.
3294 (output_cpu_unit_reservation_p): Short circuit
3295 if description->query_units_num is zero.
3297 2006-01-22 Zack Weinberg <zackw@panix.com>
3299 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3300 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3301 nor any of the random handful of variables that used to be necessary
3302 when this program was linked with rtlanal.o. Prune set of forward
3303 function declarations.
3304 (struct attr_desc): Remove static_p field.
3305 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3306 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3307 (attr_string): Do not read the character one past the length of
3308 the string.
3309 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3310 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3311 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3312 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3313 (make_automaton_attrs): New.
3314 (main): Do not call into genautomata. Call local gen_bypass
3315 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3316 Remove special case for insn_alts.
3317 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3318 varray.h (leftover from previous change). Prune set of forward
3319 function declarations. Remove state_alts fields from all
3320 structures. Remove state_alts_table from struct automaton.
3321 Make everything except main static. Do not maintain num_dfa_decls.
3322 Do not maintain state_alts fields of various structures.
3323 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3324 (add_arc): Remove state_alts argument. All callers updated.
3325 (output_reserved_units_table): Emit #ifdef here...
3326 (output_tables): ...not here. Don't generate state_alts tables.
3327 (expand_automata): Don't generate attributes.
3328 (write_automata): Don't generate state_alts functions.
3329 (main): New function.
3330 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3331 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3332 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3333 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3334 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3335 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3336 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3337 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3338 Delete.
3339 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3340 * genattrtab.h: Delete file.
3341 * Makefile.in (OBJS-common): Add insn-automata.o.
3342 (insn-automata.o): New rule.
3343 (simple_generated_c): Add insn-automata.c.
3344 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3345 (genprogmd): Add automata.
3346 (build/genattrtab): Needs no extra objects nor libraries.
3347 (build/genautomata): Needs build/vec.o and -lm.
3349 2006-01-22 Zack Weinberg <zackw@panix.com>
3351 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3352 (output_dfa_max_issue_rate, locked_states_num): Delete.
3353 (struct automaton): Add locked_states field.
3354 (output_dead_lock_vect): Save number of locked states in
3355 automaton->locked_states. If it is zero, don't print anything.
3356 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3357 (output_internal_dead_lock_func): Only test the dead_lock_vect
3358 for automata that have locked states.
3359 (output_statistics): Always print the number of locked states for
3360 each automaton. Calculate total number of locked states here.
3361 (write_automata): Don't call output_dfa_max_issue_rate.
3362 * genattrtab.c: Define length_unit_log as a const variable.
3363 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3364 max_insn_queue_index const.
3365 * final.c (length_unit_log): Declare const.
3366 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3368 2006-01-22 Zack Weinberg <zackw@panix.com>
3370 * genautomata.c: Include vec.h, not varray.h.
3371 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3372 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3373 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3374 VEC_* macros operating on appropriately typed vectors, or to
3375 malloced arrays when the size is known in advance. Const-ify
3376 many char* variables and function arguments. No functional changes.
3377 * Makefile.in (build/varray.o): Delete rule.
3378 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3379 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3381 2006-01-22 Zack Weinberg <zackw@panix.com>
3383 * gensupport.c: Define get_insn_name and record_insn_name here.
3384 (read_md_rtx): Call record_insn_name as appropriate.
3385 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3386 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3387 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3388 record_insn_name.
3389 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3390 (BUILD_VARRAY): Delete.
3391 (genprognormal): Rename genprogmd. Fold in all programs from
3392 genprognoprint; also attrtab.
3393 (build/genattrtab): Just mention genautomata.o and varray.o.
3394 Reorganize a bit, add comments to make the categories clearer.
3396 2006-01-22 Zack Weinberg <zackw@panix.com>
3398 * genconditions.c (condition_table, add_condition): Delete.
3399 (write_conditions): Don't emit n_insn_conditions nor
3400 insn_elision_unavailable. Issue the gcc version #ifdef here,
3401 inside the table, with no #else clause ...
3402 (write_header): ...not here.
3403 (write_writer): New function.
3404 (main): Don't initialize condition_table. Use add_c_test.
3405 Call write_writer.
3406 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3407 files on the command line.
3408 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3409 Return -1 if there is no entry in the table, don't abort.
3410 (add_c_test, traverse_c_tests): New functions.
3411 * gensupport.h (insn_elision_unavailable, insn_conditions)
3412 (n_insn_conditions): Delete declarations.
3413 (add_c_test, traverse_c_tests): Declare.
3414 * read-rtl.c: Include gensupport.h.
3415 (read_conditions): New function.
3416 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3417 (read_rtx_1): If we get EOF when we were looking for an initial
3418 open paren, return 0. Call read_conditions when appropriate.
3419 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3420 dummy-conditions.o. Eliminate references to insn-conditions.o,
3421 or change them to build/gencondmd.o, as appropriate. Remove
3422 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3423 from $(simple_generated_c). For all files remaining in those
3424 two lists, add insn-conditions.md to the generator command line.
3425 Give insn-constants.h/s-constants their own rules. Add rules
3426 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3427 (build/read-rtl.o): Depend on gensupport.h.
3428 (genprognormal): Include preds.
3429 (genprogearly): Rename genprognoprint; only difference is now that
3430 they don't link with $(BUILD_PRINT).
3431 * dummy-conditions.c: Delete.
3433 2006-01-22 Zack Weinberg <zackw@panix.com>
3435 * genextract.c: Don't include insn-config.h. Do include vec.h.
3436 Declare vectors of int, char, and locstr.
3437 (locstr): New typedef.
3438 (struct extraction): Make all array fields into bare pointers.
3439 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3440 (insn_code_number): Delete.
3441 (accum_extract): New struct.
3442 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3443 (gen_insn): Take insn_code_number as an argument. Use an
3444 accum_extract structure instead of loading data directly into
3445 a struct extraction, and having to know how big it might get.
3446 (walk_rtx): Operate entirely on an accum_extract structure.
3447 (print_path): Avoid unnecessary use of printf.
3448 (print_header): New function, split out of main. Distinguish
3449 more carefully between an unrecognizable insn and an insn that
3450 has the code number of a define_expand.
3451 (main): Pass insn_code_number to gen_insn. Call print_header
3452 only after parsing. Avoid unnecessary use of printf.
3453 * Makefile.in (build/vec.o): New rule.
3454 (build/genextract): Depend on build/vec.o.
3455 (build/genextract.o): Don't depend on insn-config.h.
3457 2006-01-22 Zack Weinberg <zackw@panix.com>
3459 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3460 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3461 practical. Eliminate per-generator-program link rules.
3463 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3465 PR middle-end/24437
3466 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3467 with a call expr to ...
3468 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3470 2006-01-23 Richard Guenther <rguenther@suse.de>
3472 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3473 before make_edge with conditional EDGE_TRUE_VALUE.
3475 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3476 Jan Hubicka <jh@suse.cz>
3477 Richard Guenther <rguenther@suse.de>
3479 PR rtl-optimization/25654
3480 * cfgexpand.c (aggregate_contains_union_type): New function.
3481 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3482 for structure variables that contain a union type.
3484 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3486 * gengtype.c (new_structure): Return the structure.
3487 (create_option): Add an extra "next" argument.
3488 (create_field): New function.
3489 (adjust_field_rtx_def): Use create_option and create_field.
3490 Remove a now-unnecessary call to find_structure.
3491 (adjust_field_tree_def): Likewise.
3492 (note_yacc_type): Remove an unnecessary call to find_structure.
3493 * gengtype.h (new_structure): Return the structure.
3494 (create_option): Add an extra argument.
3495 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3496 (option): Adjust calls to create_option.
3498 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3500 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3502 2006-01-22 Paul Brook <paul@codesourcery.com>
3503 Peter Barada <peter@the-baradas.com>
3505 * config/m68k/m68k.md: Add Coldfire FPU support.
3506 Define FP mode macro and associated attributes.
3507 Use it for float mode patterns.
3508 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3509 (LIBCALL_VALUE): Use m68k_libcall_value.
3510 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3511 (m68k_function_value): Ditto.
3512 (emit_move_sequence): Ditto.
3513 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3514 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3515 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3516 (MULTILIB_EXCEPTIONS): Ditto.
3517 * config/m68k/m68k.opt: Add mcfv4e.
3518 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3519 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3520 (m68k_output_function_prologue): Save ColdFire FPU registers.
3521 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3522 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3523 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3524 ColdFire FPU registers.
3525 (m68k_libcall_value, m68k_function_value): New functions.
3526 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3527 (LIBCALL_VALUE): Use m68k_libcall_value.
3528 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3529 (MASK_COLDFIRE): Add MASK_CFV4E.
3530 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3531 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3532 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3533 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3534 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3535 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3536 * doc/invoke.tex: Document -mcfv4e on m68k.
3538 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3540 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3541 URL.
3543 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3545 PR c++/16190
3546 * c-opts.c (c_common_handle_option): Don't include
3547 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3548 * doc/invoke.texi (C++ Dialect Options): Document that
3549 -Wnon-virtual-dtor is no longer included in -Wall.
3551 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3553 * gcov.c (print_version), gcov-dump.c (print_version),
3554 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3555 dates.
3557 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3559 * df-scan.c (problem_SCAN): Added NULL reset function.
3560 (df_scan_reset_blocks): Added code to call reset block function
3561 (df_bb_refs_delete) Fixed comment.
3562 (df_insn_refs_delete): Made tolerant of deleting non existent info
3563 for dataflow problems that need to be reset.
3564 * df-core.c (df_set_blocks): Ditto.
3565 * df.h (struct df_problem): Added reset_fun.
3566 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3567 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3568 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3569 functions to clear out all references to def-use or use-def chains.
3571 2006-01-21 Ben Elliston <bje@au.ibm.com>
3573 * varasm.c (assemble_real): Initialise data array.
3575 2006-01-20 Paul Brook <paul@codesourcery.com>
3577 Merge from csl-arm-branch.
3578 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3579 * config/arm/arm.md (movdi): Force operands[1] to a register
3580 if we have a non-register source.
3581 (*arm_movdi, *movdf_soft_insn): Require that one of the
3582 operands be a register.
3583 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3584 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3586 2006-01-20 DJ Delorie <dj@redhat.com>
3588 * varasm.c (initialize_constant_valid_p): Allow pointers
3589 initialized from integer constants of lesser precision.
3590 (output_constant): Allow non-int-sized pointer modes to be
3591 initialized from integer constants.
3593 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3595 PR libstdc++/25524
3596 * cppdefault.h (struct default_include): Add multilib flag.
3597 * cppdefault.c (cpp_include_defaults): Set it.
3598 * c.opt (-imultilib): New option.
3599 * c-opts.c (imultilib): New.
3600 (c_common_handle_option): Handle -imultilib.
3601 (c_common_post_options): Likewise.
3602 * c-incpath.c (add_standard_paths, register_include_chains):
3603 Likewise.
3604 * c-incpath.h (register_include_chains): Add extra parameter.
3605 * gcc.c (do_spec_1): Generate -imultilib option.
3606 (The Specs Language): Update %I description.
3607 (process_command): Update copyright notice.
3608 * doc/cppopts.texi (-imultilib): Document.
3609 * doc/invoke.texi (-imultilib): Include in option summary.
3610 (%I): Update specs documentation.
3612 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3614 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3616 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3618 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3619 label numbers.
3621 2006-01-20 Richard Guenther <rguenther@suse.de>
3622 Steven Bosscher <stevenb.gcc@gmail.com>
3624 PR rtl-optimization/24626
3625 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3626 EDGE_TRUE_VALUE if in RTL mode.
3628 Revert
3629 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3630 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3632 2006-01-20 Dirk Mueller <dmueller@suse.com>
3634 PR c++/5520
3635 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3636 instead of a special NOP marker.
3637 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3638 NOP marker handling.
3639 * c-common.h (empty_body_warning): Add forward declaration.
3640 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3641 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3643 2006-01-20 Paul Brook <paul@codesourcery.com>
3645 * Makefile.in (lang_checks): Keep going if mkdir fails.
3647 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3649 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3650 be able to clean out basic block when not necessary.
3651 (df_scan_free): Fixed to properly delete information if df is
3652 unused before calling df_finish.
3653 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3654 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3655 or comment typos.
3656 (df_bb_refs_delete): New function.
3657 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3658 * df-core.c (df_set_blocks): Added code to properly clean out
3659 unused blocks if they are not part of the blocks to consider.
3660 Added additional null check.
3661 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3662 be able to clean out basic block when not necessary
3663 * df.h (df_free_bb_function): Ditto.
3664 (df_bb_refs_delete): New function.
3665 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3666 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3667 basic block parameter to be able to clean out basic block when not
3668 necessary.
3669 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3670 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3671 Fixed to properly delete information if df is unused before
3672 calling df_finish.
3674 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3676 PR rtl-optimization/25799
3677 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3678 Corrected confluence operator to remove bits from op2 before oring
3679 with op1 rather than removing bits from op1.
3680 (df_ru_transfer_function): Corrected test on wrong bitmap which
3681 caused infinite loop. Both of these problems were introduced in
3682 the dataflow rewrite.
3684 2006-01-19 DJ Delorie <dj@redhat.com>
3686 * reload1.c (find_reload_regs): Note the details of reload
3687 failures in the dump file.
3688 (spill_failure): Likewise.
3690 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3692 * loop-iv.c: Include df.h and hashtab.h.
3693 (enum iv_grd_result): New enum.
3694 (DF_REF_IV, DF_REF_IV_SET): New macros.
3695 (struct biv_entry): New.
3696 (df, bivs): New global variables.
3697 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3698 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3699 Removed.
3700 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3701 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3702 analyzed_for_bivness_p, record_biv): New functions.
3703 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3704 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3705 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3706 UD chains.
3707 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3708 analysed.
3709 (iv_number_of_iterations): Use new interface to iv analysis.
3710 * loop-unroll.c: Do not include varray.h.
3711 (analyze_iv_to_split_insn): Use new interface to iv
3712 analysis.
3713 * loop-unswitch.c (may_unswitch_on): Ditto.
3714 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3715 allocated.
3716 (df_bb_modify): Realloc tables to the new index.
3717 (df_find_use): New function.
3718 * df.h (df_find_use): Declare.
3719 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3720 outmode.
3721 * cfgloop.h (struct rtx_iv): Remove analysed field.
3722 (iv_get_reaching_def): Removed.
3723 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3724 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3725 (loop-iv.o): Add df.h and hashtab.h dependency.
3726 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3728 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3730 PR target/25668
3731 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3732 Double TFmode.
3733 (__floatundisf, __floatundidf): Likewise.
3734 * libgcc2.h (IS_IBM_EXTENDED): Define.
3736 2006-01-19 DJ Delorie <dj@redhat.com>
3738 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3740 2006-01-19 Paul Brook <paul@codesourcery.com>
3742 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3743 as nothrow when unwinding tables are disabled.
3745 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3747 PR testsuite/25171
3748 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3749 of bit-field" when in system header.
3751 2006-01-19 DJ Delorie <dj@redhat.com>
3753 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3754 the 16 bit shift limit of the m16c.
3756 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3758 PR target/22099
3759 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3760 * config/i386/i386.c (output_set_got): Output the label if we have one
3761 for the TARGET_DEEP_BRANCH_PREDICTION case.
3763 2006-01-19 Jan Hubicka <jh@suse.cz>
3764 H.J. Lu <hongjiu.lu@intel.com>
3765 Evandro Menezes <evandro.menezes@amd.com>
3767 * invoke.texi (generic): Document
3768 (i686) Update.
3769 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3770 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3771 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3772 (x86_use_incdec, x86_pad_returns): New variables
3773 (TARGET_CPU_DEFAULT_generic): New constant
3774 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3775 (enum processor_type): Add generic32 and generic64.
3776 * i386.md (cpu attribute): Add generic32/generic64
3777 (movhi splitter): Behave sanely when both partial_reg_dependency and
3778 partial_reg_stall are set.
3779 (K8 splitters): Enable for generic as well.
3780 * predicates.md (incdec_operand): Use TARGET_INCDEC
3781 (aligned_operand): Avoid memory mismatch stalls.
3782 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3783 * ppro.md: Enable for generic32
3784 * i386.c (generic64_cost, generic32_cost): New.
3785 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3786 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3787 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3788 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3789 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3790 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3791 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3792 x86_accumulate_outgoing_args, x86_prologue_using_move,
3793 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3794 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3795 Enable for generic.
3796 (x86_use_incdec, x86_pad_returns): New.
3797 (override_options): Add generic32 and generic64, translate "generic"
3798 to generic32/generic64 and "i686" to "generic32", refuse
3799 "generic32"/"generic64" as arch target.
3800 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3801 (ix86_reorg): Honor PAD_RETURNS.
3803 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3805 * tree-pretty-print.c (dump_generic_node): Handle
3806 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3807 * cgraph.c (cgraph_expand_queue): Rename from
3808 cgraph_analyze_queue. Update all users.
3809 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3810 cgraph_expand_queue.
3811 (cgraph_expand_all_functions): Likewise.
3812 (cgraph_finalize_pending_functions): Remove. Update callers.
3814 * tree.h (OMP_DIRECTIVE_P): Define.
3815 (OMP_PARALLEL_FN): Define.
3816 (OMP_PARALLEL_DATA_ARG): Define.
3817 (OMP_SECTIONS_SECTIONS): Define.
3818 * tree-pass.h (pass_expand_omp): Declare.
3819 * omp-low.c (struct omp_region): Declare.
3820 (struct omp_context): Remove fields 'parallel_type',
3821 'parallel_start_ix' and 'parallel_start_additional_args'.
3822 Update all users.
3823 (struct omp_for_data): Rename from struct expand_omp_for_data.
3824 (omp_regions): New static variable.
3825 (root_omp_region): New static variable.
3826 (find_omp_clause): Make static.
3827 (is_in_combined_parallel_ctx): Remove.
3828 (is_combined_parallel): New.
3829 (extract_omp_for_data): Move earlier in the file.
3830 (workshare_safe_to_combine_p): New.
3831 (get_ws_args_for): New.
3832 (determine_parallel_type): Move earlier in the file.
3833 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3834 child function.
3835 (omp_copy_decl): Likewise.
3836 (create_omp_child_function): Likewise.
3837 (lookup_omp_region): New.
3838 (dump_omp_region): New.
3839 (debug_omp_region): New.
3840 (debug_all_omp_regions): New.
3841 (new_omp_region): New.
3842 (scan_omp_parallel): If parallel_nesting_level > 1, the
3843 directive is nested within another parallel directive.
3844 Set OMP_PARALLEL_FN.
3845 (scan_omp_for): Do not try to handle combined parallel+for
3846 cases.
3847 Remove FIXME comment.
3848 (scan_omp_nested): Remove.
3849 (scan_omp_1): Do not call scan_omp_nested when
3850 parallel_nesting_level is > 1.
3851 Do not change the DECL_CONTEXT of local variables found.
3852 (lookup_decl_in_outer_ctx): New.
3853 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3854 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3855 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3856 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3857 If CTX is nested, lookup VAR in the outer context when
3858 building copy assignment.
3859 (lower_send_clauses): Rename from expand_send_clauses.
3860 If CTX is nested, lookup VAR in the outer context when
3861 building copy assignments.
3862 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3863 If CTX is nested, lookup VAR in the outer context when
3864 building copy assignments.
3865 (expand_parallel_call): Rename from build_parallel_call.
3866 Handle combined parallel+workshare cases.
3867 Re-implement to emit code into the CFG.
3868 (list2chain): New.
3869 (expand_omp_parallel): Re-implement to emit code into the CFG.
3870 Call move_sese_region_to_fn to outline the sub-graph
3871 containing the parallel region.
3872 (expand_omp_for_1): Remove.
3873 (expand_omp_for_generic): Re-implement to emit code into the
3874 CFG.
3875 (expand_omp_for_static_nochunk): Likewise.
3876 (expand_omp_for_static_chunk): Likewise.
3877 (expand_omp_for): Likewise.
3878 (expand_omp_sections): Likewise.
3879 (remove_exit_barriers): New.
3880 (expand_omp_synch): New.
3881 (expand_omp): New.
3882 (build_omp_regions_1): New.
3883 (build_omp_regions): New.
3884 (execute_expand_omp): New.
3885 (gate_expand_omp): New.
3886 (pass_expand_omp): Define.
3887 (lower_omp_sections): Rename from expand_omp_sections.
3888 Set OMP_SECTIONS_SECTIONS.
3889 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3890 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3891 (lower_omp_single): Rename from expand_omp_simple.
3892 (lower_omp_master): Rename from expand_omp_master.
3893 (lower_omp_ordered): Rename from expand_omp_ordered.
3894 (lower_omp_critical): Rename from expand_omp_critical.
3895 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3896 (lower_omp_for): Re-implement.
3897 (lower_omp_parallel): Re-implement.
3898 (lower_regimplify): Rename from expand_regimplify.
3899 (lower_omp_1): Rename from expand_omp_1.
3900 If there are syntax errors in the program, replace every
3901 OpenMP directive with NOP.
3902 Call lower_omp_* instead of expand_omp_*.
3903 (lower_omp): Rename from expand_omp.
3905 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3906 * tree-gimple.h (enum omp_parallel_type): Remove.
3907 (gimple_boolify): Declare extern.
3908 (find_omp_clause, determine_parallel_type): Remove.
3910 * gimple-low.c (lower_omp_directive): New.
3911 (lower_stmt): Call it.
3912 (record_vars_into): Move from ...
3913 (record_vars): ... here.
3914 Call record_vars_into with current_function_decl.
3916 * gimplify.c (struct gimplify_ctx): Remove fields
3917 combined_pre_p and combined_ctxp. Update users.
3918 (get_formal_tmp_var): Add documentation.
3919 (gimple_boolify): Make extern.
3920 (gimplify_expr_in_ctx): Remove. Update callers.
3921 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3922 will always be a BIND_EXPR.
3923 (gimplify_expr): Handle OMP_RETURN_EXPR.
3924 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3925 (OMP_PARALLEL): Add 3 operands.
3926 (OMP_SECTIONS): Add 1 operand.
3927 (OMP_RETURN_EXPR): Define.
3929 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3930 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3931 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3932 creating a circular free list.
3933 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3935 * tree-flow.h (move_sese_region_to_fn): Declare.
3936 (record_vars_into): Declare.
3937 * tree-cfg.c (make_omp_sections_edges): New.
3938 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3939 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3940 OMP_SECTIONS and OMP_SECTION.
3941 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3942 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3943 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3944 (gather_blocks_in_sese_region): New.
3945 (struct move_stmt_d): Declare.
3946 (move_stmt_r): New.
3947 (move_block_to_fn): New.
3948 (move_sese_region_to_fn): New.
3950 * passes.c (init_optimization_passes): Schedule
3951 pass_expand_omp after pass_init_datastructures.
3953 * tree-ssa-operands.c (get_expr_operands): Handle
3954 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3955 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3957 2006-01-19 Jeff Law <law@redhat.com>
3959 * tree-vrp.c (extract_range_from_assert): Refine the result range
3960 if the variable referenced by the ASSERT_EXPR has a range and
3961 either the tentative result range or the previous range is a
3962 VR_ANTI_RANGE.
3964 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3966 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3968 2006-01-19 Jan Hubicka <jh@suse.cz>
3970 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3972 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3974 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3975 (expand_compound_operation, expand_field_assignment): Fail if the
3976 bit lengths of an extract operation are out of range.
3977 (make_extraction): Compute wanted_inner_mode based on the position
3978 and length of the extraction. Make it extraction_mode for non-constant
3979 positions, and do not modify offset in that case. When generating a
3980 new MEM, use a mode that can hold the extraction while keeping correct
3981 alignment. Remove code that supported MEMs wrapped by USEs.
3982 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3984 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3986 * config/s390/s390.md ("Y", "y"): New mode attribute.
3987 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3988 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3989 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3990 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3991 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3992 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3993 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3994 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3995 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3996 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3997 "addsi3", "subsi3"): Insn patterns removed.
3998 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3999 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4000 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4001 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4002 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4003 "*sub<mode>3_cconly2"): New insn patterns.
4004 ("addsi3", "subsi3"): New expanders.
4006 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4008 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4009 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4010 existing STMT_VINFO_VECTYPE if available.
4011 (vect_mark_relevant): Add special handling for stmts that are
4012 marked as STMT_VINFO_IN_PATTERN_P.
4013 (vect_analyze_loop): Call vect_pattern_recog.
4014 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4015 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4016 stmt_info.
4017 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4018 (vect_recog_func_ptr): New function-pointer type.
4019 * tree-vect-patterns.c: New file.
4020 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4021 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4022 (vect_pattern_recog_1): New functions.
4023 (vect_pattern_recog_funcs): New array of function pointers.
4025 * tree-vectorizer.h (ternary_op): New enum value.
4026 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4027 declaration. Revised documentation. Removed redundant dump prints.
4028 Removed redundant argument. Added support for reduction patterns.
4029 (vectorizable_reduction): Added support for reduction patterns.
4030 (vect_transform_stmt): Added support for patterns.
4032 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4033 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4034 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4035 (expand_widen_pattern_expr): New function.
4036 (init_optabs): Initialize new optabs udot_prod_optab,
4037 sdot_prod_optab.
4038 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4039 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4040 (expand_widen_pattern_expr): New function declaration.
4041 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4042 tree-codes.
4043 * tree-inline.c (estimate_num_insns_1): Added cases for new
4044 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4045 * tree-pretty-print.c (dump_generic_node): Likewise.
4046 (op_prio): Likewise.
4047 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4048 * tree-ssa-operands.c (get_expr_operands): Added case for
4049 DOT_PROD_EXPR.
4050 * tree-vect-patterns.c (widened_name_p): New function.
4051 (vect_recog_dot_prod_pattern): Added function implementation.
4052 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4053 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4054 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4055 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4057 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4058 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4059 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4060 (init_optabs): Initialize new optabs widen_ssum_optab,
4061 widen_usum_optab.
4062 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4063 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4064 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4065 use instead of type of def.
4066 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4067 function implementation.
4068 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4069 widen_ssumv8hi): New.
4071 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4072 patterns.
4074 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4076 PR c/25805
4077 * c-decl.c (add_flexible_array_elts_to_size): New function.
4078 (finish_decl): Use it.
4080 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4082 * diagnostic.h: Include options.h.
4083 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4084 dependancies for diagnostic.h.
4085 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4087 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4089 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4090 (ssa_ro_call_cache_valid): Ditto.
4091 * tree-ssa-alias.c (sort_tags_by_id): New function.
4092 (init_transitive_clobber_worklist): Ditto.
4093 (add_to_worklist): Ditto.
4094 (mark_aliases_call_clobbered): Ditto.
4095 (compute_tag_properties): Ditto.
4096 (set_initial_properties): Ditto.
4097 (compute_call_clobbered): Ditto.
4098 (compute_may_aliases): Call compute_call_clobbered and grouping.
4099 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4100 (compute_flow_insensitive_aliasing): Grouping now happens in our
4101 caller.
4102 (setup_pointers_and_addressables): Remove clobbering related code.
4103 (add_may_alias): Ditto.
4104 (replace_may_alias): Ditto.
4105 (get_nmt_for): Ditto.
4106 (create_global_var):
4107 (is_escape_site): Return an escape_type enumeration.
4108 * tree-flow-inline.h (is_call_clobbered): Global var does not
4109 imply call clobbered.
4110 (mark_call_clobbered): Take a reason for marking this. Remove
4111 marking of globalness, and cache invalidation.
4112 (clear_call_clobbered): Remove cache invalidation code.
4113 * tree-dfa.c (dump_variable): If details is on, dump the reason
4114 for escaping.
4115 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4116 variable.
4117 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4118 (struct var_ann_d): Ditto.
4119 (enum escape_type): New.
4120 (mark_call_clobbered): Adjust prototype.
4121 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4122 are never call clobbered.
4123 Record reasons for escaping.
4124 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4125 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4126 (ssa_ro_call_cache_valid): Ditto.
4127 (clobbered_v_may_defs): Ditto.
4128 (clobbered_vuses): Ditto.
4129 (ro_call_vuses): Ditto.
4130 (clobber_stats): New.
4131 (init_ssa_operands): Zero out clobber stats.
4132 (fini_ssa_operands): Print out clobber stats.
4133 (get_call_expr_operands): Pass callee fndecl to
4134 add_call_read_ops).
4135 (add_call_clobber_ops): Remove use of cache.
4136 Add use of PURE_CONST information.
4137 (add_call_read_ops): Remove use of cache.
4138 Add use of static not_read information.
4140 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4142 Introduce TLS descriptors for i386 and x86_64.
4143 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4144 (TARGET_ANY_GNU_TLS): New macro.
4145 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4146 (struct machine_function): Add tls_descriptor_call_expanded_p.
4147 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4148 (ix86_current_function_calls_tls_descriptor): Likewise.
4149 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4150 (override_options): Introduce gnu2 tls dialect.
4151 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4152 not leaves.
4153 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4154 Likewise.
4155 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4156 (ix86_init_machine_status): Initialize new field.
4157 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4158 (ix86_tls_module_base): New.
4159 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4160 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4161 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4162 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4163 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4164 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4165 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4166 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4167 * config/i386/predicates.md (tls_modbase_operand): New.
4168 (tp_or_register_operand): New.
4170 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4172 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4173 (look_for_address_of): Ditto.
4174 (ipa_init): Walk the function decls.
4175 (static_execute): Don't set readonly on FUNCTION_DECL's.
4177 2006-01-18 Roger Sayle <roger@eyesopen.com>
4179 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4180 for shifts where the source and destination registers are different.
4182 2006-01-18 Paul Brook <paul@codesourcery.com>
4184 Merge from csl-arm-branch.
4185 2005-03-14 Julian Brown <julian@codesourcery.com>
4186 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4187 (aeabi_llsl): Likewise.
4188 (ashrdi3): Likewise.
4189 (aeabi_lasr): Likewise.
4190 (lshrdi3): Likewise.
4191 (aeabi_llsr): Likewise.
4192 2005-03-10 Julian Brown <julian@codesourcery.com>
4193 * config.gcc: Disable shared libgcc for SymbianOS.
4194 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4196 2006-01-18 DJ Delorie <dj@redhat.com>
4198 * c-pragma.c (handle_pragma_diagnostic): New.
4199 (init_pragma): Register it.
4200 * doc/extend.texi: Document it.
4202 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4203 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4204 (diagnostic_context): Add classify_diagnostic[].
4205 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4206 as errors if they're overridden to DK_WARNING.
4207 (diagnostic_initialize): Initialize classify_diagnostic[].
4208 (diagnostic_set_kind_override): New.
4209 (diagnostic_report_diagnostic): Check for kind changes.
4210 * opts.c (common_handle_option): Take lang_mask. Update callers.
4211 Handle OPT_Werror_.
4212 * common.opt (Werror=): New.
4213 * doc/invoke.texi: Document -Werror=*
4215 2006-01-18 Jeff Law <law@redhat.com>
4217 * tree-vrp.c (test_for_singularity): Correct test for new
4218 min limit. Use operand_equal_p rather than pointer equality
4219 for testing if new min/max values are equal.
4221 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4222 using range information until after propagation and folding.
4224 2006-01-18 Richard Henderson <rth@redhat.com>
4225 Aldy Hernandez <aldyh@redhat.com>
4226 Jakub Jelinek <jakub@redhat.com>
4227 Diego Novillo <dnovillo@redhat.com>
4229 * omp-low.c: New file.
4230 * c-omp.c: New file.
4232 2006-01-18 Richard Henderson <rth@redhat.com>
4233 Jakub Jelinek <jakub@redhat.com>
4234 Diego Novillo <dnovillo@redhat.com>
4236 * doc/invoke.texi: Document -fopenmp.
4237 * tree-dump.h (debug_function): Declare.
4238 * hooks.c (hook_bool_tree_bool_false): New function.
4239 (hook_tree_tree_null): Remove.
4240 (hook_tree_tree_tree_null): New.
4241 * hooks.h: Update to match.
4242 * tree-pretty-print.c (debug_tree_chain): New.
4243 (print_generic_expr): Handle TDF_CHAIN.
4244 (dump_generic_node): Handle BLOCK.
4245 Do not abort with incomplete SWITCH_EXPRs.
4246 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4247 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4248 print space after directive name.
4249 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4250 Handle OMP_MASTER and OMP_ORDERED.
4251 Handle printing of OMP_BODY just in one place, goto
4252 dump_omp_body in the rest of OMP_* nodes that have
4253 OMP_BODY.
4254 Don't handle clause nodes here. Update omp statements to
4255 use dump_omp_clauses.
4256 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4257 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4258 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4259 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4260 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4261 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4262 Adjust output for GOMP_PARALLEL.
4263 (dump_omp_clauses): New.
4264 (print_declaration): Dump DECL_VALUE_EXPR.
4265 (op_symbol_1): Split out of op_symbol.
4266 (dumping_stmts): Remove. Update all users.
4267 * cgraph.c (cgraph_analyze_queue): New.
4268 (cgraph_add_new_function): New.
4269 * cgraph.h (cgraph_analyze_queue): Declare.
4270 (cgraph_add_new_function): Declare.
4271 (cgraph_lower_function): Remove.
4272 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4273 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4274 and TYPE_P nodes in its default clause.
4275 (empty_body_p): New.
4276 (tree_range_check_failed): New.
4277 (build5_stat): New.
4278 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4279 OMP_CLAUSE_REDUCTION_MERGE,
4280 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4281 OMP_CLAUSE_PRIVATE_DEBUG,
4282 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4283 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4284 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4285 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4286 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4287 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4288 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4289 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4290 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4291 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4292 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4293 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4294 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4295 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4296 (TREE_RANGE_CHECK): New.
4297 (empty_body_p): Declare.
4298 (enum omp_clause_default_kind): New.
4299 (build_string_literal): Declare.
4300 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4301 (build5_stat, build5): Declare.
4302 * tree-pass.h (TDF_CHAIN): Define.
4303 * tree-pass.h (PROP_gimple_lomp): Define.
4304 (pass_lower_omp): Declare.
4305 * diagnostic.h (debug_tree_chain): Declare.
4306 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4307 mode_for_size.
4308 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4309 * builtins.c (build_string_literal): Make extern.
4310 * gcc.c (include_spec_function): New.
4311 (static_spec_functions): Add it.
4312 (main): Move load of libgomp.spec ...
4313 (LINK_COMMAND_SPEC): ... here.
4314 (link_gomp_spec): New.
4315 (static_specs): Include it.
4316 (LINK_COMMAND_SPEC): Add link_gomp.
4317 (GOMP_SELF_SPECS): New.
4318 (driver_self_specs): Include it.
4319 (switch_matches): Don't mark inline.
4320 (main): Load libgomp.spec.
4321 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4322 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4323 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4324 * tree-gimple.h (enum omp_parallel): Declare.
4325 (determine_parallel_type): Declare.
4326 (omp_firstprivatize_variable): Declare.
4327 (omp_reduction_init): Declare.
4328 (diagnose_omp_structured_block_errors): Declare.
4329 (struct walk_stmt_info): Add want_return_expr.
4330 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4331 (find_omp_clause): Declare.
4332 (insert_field_into_struct): Declare.
4333 (struct walk_stmt_info): Move from tree-nested.c
4334 (walk_stmts): Declare.
4335 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4336 to 200505.
4337 * cgraphunit.c (cgraph_lower_function): Make static.
4338 (cgraph_finalize_pending_functions): New.
4339 (cgraph_finalize_function): Call it.
4340 (cgraph_finalize_compilation_unit): Likewise.
4341 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4342 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4343 (BT_FN_UINT_UINT): New.
4344 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4345 DEF_FUNCTION_TYPE_VAR_4): Document.
4346 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4347 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4348 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4349 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4350 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4351 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4352 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4353 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4354 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4355 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4356 into separate files.
4357 (DEF_GOMP_BUILTIN): New.
4358 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4359 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4360 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4361 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4362 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4363 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4364 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4365 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4366 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4367 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4368 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4369 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4370 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4371 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4372 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4373 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4374 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4375 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4376 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4377 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4378 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4379 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4380 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4381 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4382 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4383 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4384 * sync-builtins.def: New file, moved from builtins.def.
4385 * omp-builtins.def: New file, moved from builtins.def.
4386 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4387 * gimple-low.c (lower_function_body): Clear data.
4388 (lower_stmt): Do not handle COMPOUND_EXPR.
4389 Remove call to print_node_brief.
4390 * c-tree.h (c_finish_omp_clauses): New prototype.
4391 (C_DECL_THREADPRIVATE_P): Define.
4392 (lookup_name_no_remap, c_omp_remap_private): Remove
4393 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4394 (check_for_loop_decls): Update decl.
4395 (lookup_name_no_remap, c_omp_remap_private): Declare.
4396 (build_indirect_ref, build_modify_expr, pushdecl,
4397 pushdecl_top_level): Move to c-common.h.
4398 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4399 before the switch, but just in the 2 places that need it.
4400 * c-decl.c (diagnose_mismatched_decls): Do not check for
4401 mismatched thread-local attributes when OLDDECL is marked
4402 threadprivate and NEWDECL has no thread-local attributes.
4403 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4404 (c_gimple_diagnostics_recursively): Rename from
4405 c_warn_unused_result_recursively. Invoke
4406 diagnose_omp_structured_block_errors.
4407 (check_for_loop_decls): Return a singular decl found.
4408 * langhooks.c (lhd_omp_predetermined_sharing): Return
4409 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4410 (lhd_omp_firstprivatize_type_sizes): New.
4411 (lhd_omp_assignment): New.
4412 (lhd_omp_predetermined_sharing): New.
4413 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4414 (struct lang_hooks_for_types): Add
4415 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4416 omp_predetermined_sharing, omp_disregard_value_expr,
4417 omp_private_debug_clause, omp_clause_default_ctor,
4418 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4419 (c_finish_omp_clauses): New.
4420 (c_finish_bc_stmt): Diagnose break within omp for.
4421 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4422 (build_unary_op): Return error_mark after reporting
4423 a readonly_error.
4424 (build_modify_expr): Likewise.
4425 * gimplify.c: Include optabs.h and pointer-set.h.
4426 (enum gimplify_omp_var_data): Declare.
4427 (struct gimplify_omp_ctx): Declare.
4428 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4429 and combined_ctxp.
4430 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4431 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4432 (splay_tree_compare_decl_uid): New.
4433 (new_omp_context): New.
4434 (delete_omp_context): New.
4435 (gimple_add_tmp_var): Call omp_add_variable.
4436 (gimplify_bind_expr): Likewise.
4437 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4438 true, disregard DECL_VALUE_EXPR on the decl if any.
4439 (gimplify_expr_in_ctx): New.
4440 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4441 omp_add_variable, omp_notice_variable, omp_is_private
4442 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4443 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4444 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4445 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4446 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4447 gimplify_omp_atomic): New.
4448 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4449 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4450 OMP_CRITICAL and OMP_ATOMIC.
4451 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4452 * c-pragma.h (enum pragma_kind): Add
4453 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4454 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4455 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4456 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4457 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4458 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4459 PRAGMA_OMP_THREADPRIVATE.
4460 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4461 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4462 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4463 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4464 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4465 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4466 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4467 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4468 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4469 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4470 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4471 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4472 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4473 OpenMP directives.
4474 (struct nesting_info): Add field_map,
4475 suppress_expansion, debug_var_chain.
4476 (create_nesting_tree): Initialize them.
4477 (lookup_field_for_decl): Use field_map.
4478 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4479 (convert_local_omp_clauses): New.
4480 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4481 (walk_body): Split out of walk_function.
4482 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4483 (convert_nonlocal_reference): Handle omp statements.
4484 (convert_local_reference): Likewise.
4485 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4486 (unnest_nesting_tree): New.
4487 (lower_nested_functions): Call it.
4488 (insert_field_into_struct): Make extern.
4489 (struct walk_stmt_info): Move to tree-gimple.h.
4490 (walk_stmts): Make extern.
4491 * omp-builtins.def: New file.
4492 * tree-iterator.c (expr_only): Clarify comment.
4493 * c-common.h (pushdecl_top_level, pushdecl,
4494 build_modify_expr, build_indirect_ref,
4495 c_finish_omp_master, c_finish_omp_critical,
4496 c_finish_omp_ordered, c_finish_omp_barrier,
4497 c_finish_omp_atomic, c_finish_omp_flush,
4498 c_finish_omp_for, c_split_parallel_clauses,
4499 omp_clause_default_kind, c_omp_sharing_predetermined,
4500 c_omp_remap_decl): Declare.
4501 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4502 (OBJS-common): Add omp-low.o.
4503 (c-omp.o, omp-low.o): Add.
4504 (gimplify.o): Add dependency on $(OPTABS_H).
4505 (GTFILES): Add omp-low.c.
4506 (gt-stringpool.h): Add.
4507 * tree-cfg.c (set_bb_for_stmt): Do not update the
4508 block-to-labels map if we are currently expanding to RTL.
4509 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4510 checks.
4511 Handle IDENTIFIER_NODE.
4512 (tree_verify_flow_info): Do not ICE when emitting error
4513 messages about invalid labels.
4514 (dump_function_to_file): Reset CFUN before emitting the body
4515 of the function.
4516 (debug_function): New.
4517 * passes.c (init_optimization_passes): Schedule
4518 pass_lower_omp.
4519 * langhooks-def.h (lhd_omp_predetermined_sharing,
4520 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4521 Declare.
4522 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4523 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4524 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4525 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4526 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4527 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4528 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4529 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4530 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4531 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4532 (LANG_HOOK_DECLS): Use them.
4534 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4535 Richard Henderson <rth@redhat.com>
4536 Jakub Jelinek <jakub@redhat.com>
4537 Diego Novillo <dnovillo@redhat.com>
4539 * c-parser.c (pragma_omp_clause): Define.
4540 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4541 (c_parser_compound_statement): Likewise.
4542 (c_parser_statement): Likewise.
4543 (c_parser_pragma): Handle omp pragmas.
4544 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4545 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4546 (c_parser_omp_clause_name, check_no_duplicate_clause,
4547 c_parser_omp_variable_list,
4548 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4549 c_parser_omp_clause_copyprivate,
4550 c_parser_omp_clause_default,
4551 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4552 c_parser_omp_clause_lastprivate,
4553 c_parser_omp_clause_nowait,
4554 c_parser_omp_clause_num_threads,
4555 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4556 c_parser_omp_clause_reduction,
4557 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4558 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4559 c_parser_omp_atomic, c_parser_omp_barrier,
4560 c_parser_omp_critical, c_parser_omp_flush,
4561 c_parser_omp_for_loop, c_parser_omp_for,
4562 c_parser_omp_master, c_parser_omp_ordered,
4563 c_parser_omp_sections_scope, c_parser_omp_sections,
4564 c_parser_omp_parallel, c_parser_omp_single,
4565 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4566 * c-pragma.c (init_pragma): Do omp pragma registration here.
4567 * c.opt (fopenmp): New flag.
4569 2006-01-18 Eric Christopher <echristo@apple.com>
4571 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4572 * config/darwin.h (GOMP_SELF_SPECS): Define.
4574 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4576 * rtl.h: Remove the prototype for reg_alloc.
4578 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4580 PR target/25731
4581 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4582 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4583 sjlj and dwarf2 exception handling.
4584 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4585 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4586 * pa/pa.c (function_value): Treat complex and vector types as
4587 aggregates.
4588 (function_arg): Likewise. Only pass scalar floats in the floating
4589 point argument registers.
4590 * pa/t-slibgcc-dwarf-ver: New file.
4591 * pa/t-slibgcc-sjlj-ver: New file.
4592 * pa/t-slibgcc-elf-ver: Delete file.
4594 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4596 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4597 unlikely_test_section_p test.
4599 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4601 * mode-switching.c (optimize_mode_switching): Make it static.
4602 * basic-block.h: Remove the prototype for
4603 optimize_mode_switching.
4605 * modulo-sched.c (sms_schedule): Make it static.
4606 * rtl.h: Remove the prototype for sms_schedule.
4608 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4609 * rtl.h: Remove the prototype for gcse_after_reload_main.
4611 * reg-stack.c (reg_to_stack): Make it static.
4612 * rtl.h: Remove the prototype for reg_to_stack.
4614 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4615 Make them static.
4616 * rtl.h: Remove the prototypes for regrename_optimize and
4617 copyprop_hardreg_forward.
4619 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4621 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4622 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4623 Test against the appropriate null constant for the mode.
4624 If 'fixup_overlap' is true, swap the operands if they overlap.
4625 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4626 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4627 alpha_split_tmode_pair and adjust for above change.
4628 * config/alpha/alpha.md (movtf_internal): Adjust call to
4629 alpha_split_tfmode_pair and rely on it to swap the operands.
4630 (movti_internal): New insn and post-reload splitter.
4631 (movti): New expander.
4633 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4635 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4636 operands.
4638 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4640 * rtlanal.c (global_reg_mentioned_p_1,
4641 global_reg_mentioned_p): Remove.
4642 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4644 * flow.c (initialize_uninitialized_subregs): Make it static.
4645 * rtl.h: Remove the prototype for
4646 initialize_uninitialized_subregs.
4648 * function.c (instantiate_virtual_regs): Make it static.
4649 * function.h: Remove the prototype for
4650 instantiate_virtual_regs.
4652 * regmove.c (regmove_optimize, combine_stack_adjustments):
4653 Make them static.
4654 * rtl.h: Remove the prototypes for regmove_optimize and
4655 combine_stack_adjustments.
4657 2006-01-17 Roger Sayle <roger@eyesopen.com>
4659 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4660 (size_cost): Encode costs in bytes so that a reg-reg addition is
4661 equivalent to COSTS_N_INSNS(1).
4662 (override_options): Use the size_cost.branch_cost as the default
4663 ix86_branch_cost when optimizing for size.
4665 2006-01-18 Ben Elliston <bje@au.ibm.com>
4667 * Makefile.in (D32PBIT_FUNCS): New.
4668 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4669 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4670 D64PBIT_FUNCS and D128PBIT_FUNCS.
4671 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4672 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4673 D128PBIT are set.
4674 (decnumber_dep): Define.
4675 * doc/libgcc.texi (Decimal float library routines): New node.
4676 * config/dfp-bit.h, config/dfp-bit.c: New files.
4678 2006-01-18 Ben Elliston <bje@au.ibm.com>
4680 * expr.c (emit_move_change_mode): Always adjust addresses, not
4681 just during reload. Copy replacements only during reload.
4682 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4683 emit_move_via_integer.
4685 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4687 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4688 instead of $(srcdir) and ${srcdir}.
4690 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4692 PR target/592
4693 PR middle-end/11135
4694 * arm.h (struct machine_function): Add pic_reg.
4695 * arm.c (arm_pic_register): Make unsigned.
4696 (arm_override_options): Only set arm_pic_register if
4697 TARGET_SINGLE_PIC_BASE.
4698 (use_return_insn): Only test for a pic register if it is fixed.
4699 (arm_compute_save_reg0_reg12_mask): Likewise.
4700 (thumb_compute_save_reg_mask): Likewise.
4701 (legitimate_pic_operand): Factor out some known invariants.
4702 (legitimize_pic_address): If we don't have a fixed pic register,
4703 then set up a pseudo in the function entry sequence. Handle the
4704 pic base being in a pseudo.
4705 (arm_load_pic_register): Handle the pic register being in a pseudo.
4706 (arm_expand_prologue): Only set up the pic register if it is fixed.
4707 (thumb_expand_prologue): Likewise.
4708 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4709 (pic_load_addr_based_insn): Likewise.
4710 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4711 fixed.
4713 2006-01-18 Ben Elliston <bje@au.ibm.com>
4715 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4716 decimal float modes for all floating point registers.
4718 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4719 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4721 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4723 PR c/25682
4724 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4725 even when the pointer is not NULL.
4727 2006-01-16 Ian Lance Taylor <ian@airs.com>
4729 * common.opt (ftoplevel-reorder): New option.
4730 * cgraph.c (cgraph_asm_nodes): New global variable.
4731 (cgraph_asm_last_node): New static variable.
4732 (cgraph_order): New global variable.
4733 (cgraph_create_node): Set new order field.
4734 (cgraph_varpool_node): Likewise.
4735 (decide_is_variable_needed): Return true if not
4736 flag_toplevel_reorder.
4737 (cgraph_add_asm_node): New function.
4738 * cgraph.h (struct cgraph_node): Add order field.
4739 (struct cgraph_varpool_node): Add order field.
4740 (struct cgraph_asm_node): Define.
4741 (cgraph_asm_nodes, cgraph_order): Declare.
4742 (cgraph_add_asm_node): Declare.
4743 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4744 function.
4745 (cgraph_varpool_assemble_pending_decls): Call it.
4746 (cgraph_output_pending_asms): New static function.
4747 (cgraph_finalize_compilation_unit): Call it.
4748 (struct cgraph_order_sort): Define.
4749 (cgraph_output_in_order): New static function.
4750 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4751 !flag_toplevel_reorder case.
4752 * c-parser.c: Include "cgraph.h".
4753 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4754 assemble_asm.
4755 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4756 than -fno-unit-at-a-time.
4757 * doc/invoke.texi (Option Summary): Mention
4758 -fno-toplevel-reorder.
4759 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4760 -funit-at-a-time documentation.
4762 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4763 Kazu Hirata <kazu@codesourcery.com>
4765 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4767 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4769 * Makefile.in (FUNCTION_H): New. Use it instead of
4770 function.h throughout the file.
4771 * function.h: Include tree.h.
4773 2006-01-17 Ben Elliston <bje@au.ibm.com>
4775 * recog.c: Separate some functions with whitespace.
4777 2006-01-16 Richard Henderson <rth@redhat.com>
4779 Merge from gomp branch:
4780 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4781 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4782 and rename from struct inline_data. Rename callee* to dst*;
4783 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4784 transform_new_cfg, transform_return_to_modify, and
4785 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4786 update_clones_p.
4787 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4788 (copy_decl_for_dup): Remove.
4789 * tree-inline.c (struct inline_data): Move to header.
4790 (insert_decl_map): Export.
4791 (remap_decl): Update for member name changes. Use copy_decl hook.
4792 Allow for replacement to be a non-decl. Remove dead code.
4793 (remap_type_1): Check for existing mapping.
4794 (remap_type): Export.
4795 (remap_decls): Update for member name changes.
4796 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4797 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4798 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4799 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4800 (tree_function_versioning, build_duplicate_type): Likewise.
4801 (copy_body_r): Likewise. Export.
4802 (copy_decl_for_dup): Split into ...
4803 (copy_decl_for_dup_finish, copy_decl_to_var,
4804 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4805 (replace_ref_tree, inlining_p): Remove.
4807 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4809 * ifcvt.c (if_convert): Make it static.
4810 * rtl.h: Remove the prototype for if_convert.
4812 * local-alloc.c (local_alloc): Make it static.
4813 * rtl.h: Remove the prototype for local_alloc.
4815 * loop.c (loop_optimize): Make it static.
4816 * cfgloop.h: Remove the prototype for loop_optimize.
4817 * rtl.h: Likewise.
4819 2006-01-16 DJ Delorie <dj@redhat.com>
4821 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4822 mems.
4824 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4826 * pa.md: Disparage copies between general and floating-point registers
4827 in 32-bit move patterns.
4829 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4831 PR testsuite/25741
4832 * Makefile.in (check-%): Depend on site.exp instead of
4833 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4834 directories.
4836 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4838 * global.c (global_alloc): Make it static.
4839 * rtl.h: Remove the prototype for global_alloc.
4841 2006-01-16 Richard Guenther <rguenther@suse.de>
4843 * tree-ssa-alias.c (struct used_part): Add write_only field.
4844 (get_or_create_used_part_for): Initialize it to true.
4845 (create_overlap_variables_for): Don't create structure variables
4846 for structures that only are written to.
4847 (find_used_portions): Handle MODIFY_EXPR to track whether a
4848 structure is only written to.
4850 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4852 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4853 static.
4854 * basic-block.h: Remove the prototype for
4855 partition_hot_cold_basic_blocks.
4857 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4859 * cppspec.c (lang_specific_spec_functions): Remove.
4860 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4861 * gcc.h (lang_specific_spec_functions): Remove.
4862 * gccspec.c (lang_specific_spec_functions): Remove.
4864 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4866 * combine.c (record_value_for_reg): Invalidate registers
4867 if INSN is null.
4868 (record_dead_and_set_regs_1): Likewise, by passing them to
4869 record_value_for_reg.
4870 (record_dead_and_set_regs): Invalidate stores made by a
4871 call. We do not combine across a call, but we still
4872 relied on equivalences.
4874 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4876 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4877 vrp_int_const_binop returning non-constant nodes.
4879 2006-01-16 Paul Brook <paul@codesourcery.com>
4881 * config/m68k/m68k.c (output_move_const_into_data_reg):
4882 Output correct mnemonic for mvz and mvs.
4884 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4886 * rtl-factoring.c: Add sequence abstraction algorithm.
4887 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4888 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4889 ABNORMAL edges.
4890 (block_has_preserve_label): New function.
4891 * common.opt: Register new pass.
4892 * Makefile.in: Ditto.
4893 * passes.c: Ditto.
4894 * timevar.def: Ditto.
4895 * tree-pass.h: Ditto.
4896 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4897 * rtl.h (make_jump_insn_raw): Add forward decl.
4898 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4900 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4901 Roger Sayle <roger@eyesopen.com>
4903 * fold-const.c (fold_minmax): New static function.
4904 (fold_binary) <MIN_EXPR>: Call it.
4905 <MAX_EXPR>: Likewise.
4906 * stor-layout.c (place_field): Use DECL_SIZE consistently
4907 in the computation of the new record size.
4909 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4911 * cse.c (cse_condition_code_reg): Make it static.
4912 * rtl.h: Remove the prototype for cse_condition_code_reg.
4914 * combine.c (combine_instructions): Make it static.
4915 * rtl.h: Remove the prototype for combine_instructions.
4917 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4919 PR target/25168
4920 * tree.c (get_file_function_name_long): Concatenate the first global
4921 object name with a string derived from the input filename of the object
4922 for type "F".
4924 2006-01-16 Ben Elliston <bje@au.ibm.com>
4926 * config/i386/winnt-stubs.c: Update FSF address.
4927 * config/xtensa/ieee754-df.S: Ditto.
4928 * config/xtensa/ieee754-sf.S: Ditto.
4930 2006-01-14 Ian Lance Taylor <ian@airs.com>
4932 * ifcvt.c (noce_init_if_info): New static function, broken out of
4933 noce_process_if_block.
4934 (noce_process_if_block): Call noce_init_if_info.
4935 (check_cond_move_block): New static function.
4936 (cond_move_process_if_block): New static function.
4937 (process_if_block): Call cond_move_process_if_block.
4939 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4941 * cselib.c (hash_table): Rename to cselib_hash_table.
4942 (cselib_clear_table, discard_useless_values,
4943 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4944 cselib_init, cselib_finish): Adjust uses of hash_table.
4946 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4948 PR tree-optimization/25485
4949 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4950 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4951 is known to be false and true, respectively.
4953 2006-01-14 Richard Guenther <rguenther@suse.de>
4955 PR tree-optimization/22548
4956 PR tree-optimization/22555
4957 PR tree-optimization/22501
4958 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4959 * params.def (salias-max-array-elements): New parameter.
4960 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4961 * doc/invoke.texi (salias-max-array-elements): Document.
4962 * tree-flow-inline.h (var_can_have_subvars): We also handle
4963 arrays now.
4964 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4965 COMPONENT_REF.
4966 * tree-ssa-structalias.c (params.h): Include.
4967 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4968 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4969 (get_constraint_for): For ADDR_EXPR operating on something
4970 containing an ARRAY_REF, add all subvars to the solution.
4971 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4972 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4973 for creating MUST_DEFs.
4974 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4976 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4978 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4979 functions.
4980 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4981 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4982 number_of_iterations_le): New functions.
4983 (number_of_iterations_special): Removed.
4984 (number_of_iterations_exit): Do not use number_of_iterations_special.
4985 * tree.c (unsigned_type_for): Always return integer type.
4987 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4988 Richard Guenther <rguenther@suse.de>
4990 PR rtl-optimization/24257
4991 * gcse.c (find_moveable_store): Only consider a store movable
4992 when the SET_SRC of the insn can be assigned to a register.
4994 2006-01-14 Ian Lance Taylor <ian@airs.com>
4996 * tree.c (tree_not_class_check_failed): New function.
4997 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4998 (tree_not_class_check_failed): Declare.
5000 2006-01-13 Ian Lance Taylor <ian@airs.com>
5002 * reload1.c (do_output_reload): Add assertion rejecting a
5003 CALL_INSN.
5005 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5007 * combine.c (struct reg_stat): Add new fields truncation_label and
5008 truncated_to_mode.
5009 (record_value_for_reg): Reset truncated_to_mode.
5010 (record_truncated_value): New function.
5011 (check_promoted_subreg): Call it. Rename to check_conversions.
5012 (combine_instructions): Rename check_promoted_subreg to
5013 check_conversions.
5014 (reg_truncated_to_mode): New function.
5015 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5016 (gen_lowpart_or_truncate): New function.
5017 (force_to_mode): Use it instead of gen_lowpart.
5019 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5021 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5022 VAR is a tag, not its type tag.
5024 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5026 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5027 alternatives to match style of other entries.
5028 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5030 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5032 PR tree-optimization/25771
5033 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5034 SSA_NAMES.
5036 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5038 PR tree-opt/24365
5039 * tree-inline.c (declare_return_variable): If the return variable
5040 was marked as a non gimple complex, set the return slot variable
5041 to be a non gimple comple variable.
5043 2006-01-13 Richard Guenther <rguenther@suse.de>
5045 * builtins.c (expand_builtin_sincos): New function.
5046 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5047 do not set errno.
5048 (expand_builtin): Expand sincos using expand_builtin_sincos.
5050 2006-01-12 DJ Delorie <dj@redhat.com>
5052 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5053 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5054 so that constant shifts can be split.
5055 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5056 (m32c_valid_pointer_mode): Make static.
5057 (shift_gen_func_for): New.
5058 (m32c_prepare_shift): Use it. Split large const shifts into
5059 multiple shifts.
5060 * config/m32c/predicates.md (shiftcount_operand): Allow more
5061 general operands.
5062 (longshiftcount_operand): New.
5063 * doc/md.texi (Machine Constraints): Document In6.
5065 2006-01-13 Ben Elliston <bje@au.ibm.com>
5067 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5068 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5069 documentation.
5071 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5073 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5074 to try to avoid clobbering pieces of structures when we know
5075 something about the whole structure.
5076 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5078 2006-01-13 Ben Elliston <bje@au.ibm.com>
5080 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5081 return in memory, as this is no limitation is no longer present.
5083 2006-01-12 DJ Delorie <dj@redhat.com>
5085 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5086 mova with fb, and for fb+0 -> An.
5088 * config/m32c/mov.md (peephole2): Fix enabling logic.
5090 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5091 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5092 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5093 FINI_ARRAY_SECTION_ASM_OP): Define.
5095 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5096 variable.
5097 (m32c_legitimize_reload_address): New logic to reload FB to An.
5098 (m32c_output_reg_push): Add newline.
5099 (m32c_output_reg_pop): Likewise.
5101 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5103 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5105 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5107 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5109 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5111 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5112 match_code.
5114 2006-01-11 Ben Elliston <bje@au.ibm.com>
5116 * rtlanal.c (find_reg_note): Assert insn is not null.
5118 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5120 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5121 ifdef.
5123 2006-01-11 Jeff Law <law@redhat.com>
5125 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5126 hold edge pairs.
5127 (mark_threaded_blocks, register_jump_thread): New functions.
5128 (thread_through_all_blocks): Remove unwanted argument. No
5129 longer rely on e->aux to communicate thread target info.
5130 Call mark_threaded_blocks. Release the threaded_blocks
5131 bitmap and threaded_edges vector when complete.
5132 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5133 (threaded_blocks): Remove.
5134 (tree_ssa_dominator_optimize): Remove initialization and
5135 finalization of threaded_blocks. Simplify call to
5136 thread_through_all_blocks.
5137 (thread_across_edge): Call register_jump_thread rather than
5138 storing thread information into e->aux.
5139 (free_all_edge_infos): Simplify now that e->aux is no longer
5140 used to communicate with thread_through_all_blocks.
5141 * tree-flow.h (thread_through_all_blocks): Update prototype.
5142 (register_jump_thread): Prototype.
5144 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5146 * df-core.c (df_compact_blocks, df_bb_replace): Use
5147 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5149 2006-01-11 Richard Guenther <rguenther@suse.de>
5151 PR tree-optimization/25734
5152 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5153 stop propagation after successful propagation to the LHS.
5155 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5157 * basic-block.h (control_flow_graph): Change the type of
5158 x_basic_block_info to VEC(basic_block,gc) *.
5159 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5160 basic_block_info.
5161 (SET_BASIC_BLOCK): New.
5162 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5163 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5164 * cfgbuild.c (find_basic_blocks): Likewise.
5165 * cfglayout.c (fixup_reorder_chain): Likewise.
5166 * cfgrtl.c (create_basic_block_structure,
5167 rtl_create_basic_block): Likewise.
5168 * ifcvt.c (find_if_case_1): Likewise.
5169 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5170 Likewise.
5172 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5174 * Makefile.in: Removed rotted odf.c entry.
5176 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5178 PR target/25706
5179 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5180 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5181 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5182 output pattern modifier, not %e.
5183 * config/cris/cris.c (cris_op_str): Update comment about pattern
5184 modifier.
5185 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5186 before falling through into...
5187 <case 'E'>: Redefined from old 'e' case.
5189 2006-01-11 Jan Hubicka <jh@suse.cz>
5191 PR target/25042
5192 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5194 2006-01-11 Jan Hubicka <jh@suse.cz>
5196 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5197 * i386.c (x86_decompose_lea): Kill.
5198 (ix86_rtx_costs): Kill.
5200 2006-01-11 Jan Hubicka <jh@suse.cz>
5202 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5203 * cgraph.h (cgraph_node): Add inline_decl.
5204 (cgraph_insert_node_to_hashtable): Declare.
5205 (save_inline_function_body): Declare.
5206 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5207 clones.
5208 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5209 (cgraph_function_versioning): Update call of tree_function_versioning.
5210 (save_inline_function_body): New function.
5211 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5212 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5213 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5214 (cgraph_default_inline_p): Likewise.
5215 (cgraph_decide_inlining_incrementally): Likewise.
5216 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5217 (copy_bb): Kill saving; do updating of clones.
5218 (copy_cfg_body): Kill saving.
5219 (initialize_inlined-parameters): Likewise.
5220 (expand_call_inline): Likewise.
5221 (save_body): Kill.
5222 (tree_function_versioning): New parameter "update_clones".
5223 (inlining_p): Kill saving.
5224 * tree-inline.h (tree_function_versioning): Update prototype.
5225 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5226 saving.
5228 2006-01-11 Ian Lance Taylor <ian@airs.com>
5230 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5231 Allow undoing set of machine mode.
5232 (do_SUBST): Use enums instead of is_int.
5233 (do_SUBST_MODE): New function.
5234 (SUBST_MODE): New macro.
5235 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5236 reg and trying to replace reg_regno_rtx with a new register.
5237 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5238 (simplify_set): Use SUBST_MODE.
5239 (distribute_notes): Remove code that tried to update reg notes
5240 for regno_reg_rtx changes.
5242 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5244 PR tree-optimization/23109
5245 PR tree-optimization/23948
5246 PR tree-optimization/24123
5248 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5249 * tree-cfg.c (single_noncomplex_succ): New.
5250 * tree-flow.h (single_noncomplex_succ): Declare it.
5251 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5252 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5253 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5254 insert_bb, register_division_in, insert_reciprocals,
5255 replace_reciprocal, free_bb): New.
5256 (execute_cse_reciprocals_1): Rewritten.
5257 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5258 Do not commit any edge insertion. Always compute dominators and
5259 create the allocation pool.
5260 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5261 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5262 * targhooks.c (default_min_divistions_for_recip_mul): New.
5263 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5264 * passes.c (init_optimization_passes): Run recip after tree loop
5265 optimizations.
5266 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5268 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5269 Kenneth Zadeck <zadeck@naturalbridge.com>
5271 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5272 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5273 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5274 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5275 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5276 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5277 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5278 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5279 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5280 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5281 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5282 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5283 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5284 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5285 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5286 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5287 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5288 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5289 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5290 DF_SCAN_POST_ALLOC): New macros.
5291 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5292 df_free_bb_function, df_local_compute_function, df_init_function,
5293 df_dataflow_function, df_confluence_function_0,
5294 df_confluence_function_n, df_transfer_function,
5295 df_finalizer_function, df_free_function, df_dump_problem_function,
5296 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5297 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5298 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5299 df_urec_bb_info, ) New types.
5300 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5301 variables.
5302 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5303 df_analyze_simple_change_some_blocks,
5304 df_analyze_simple_change_one_block, df_compact_blocks,
5305 df_bb_replace, df_bb_regno_last_use_find,
5306 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5307 df_insn_regno_def_p, df_find_def, df_find_use,
5308 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5309 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5310 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5311 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5312 debug_df_chain, df_get_dependent_problem, df_chain_create,
5313 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5314 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5315 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5316 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5317 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5318 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5319 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5320 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5321 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5322 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5323 df_reorganize_refs, df_set_state, df_hard_reg_init,
5324 df_read_modify_subreg_p) New public functions.
5325 * df-core.c: The core dataflow solver and glue routines for rtl
5326 dataflow.
5327 (df_init, df_add_problem, df_set_blocks, df_finish,
5328 df_hybrid_search_forward, df_hybrid_search_backward,
5329 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5330 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5331 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5332 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5333 df_reg_defined, df_find_use, df_reg_used, df_dump,
5334 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5335 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5336 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5337 debug_df_useno, reset_df_after_reload): New functions.
5338 * df-scan.c: The scanning fuctions, once in df.c, completely
5339 rewritten so that they now fully model the functionality of
5340 register usage at the backend.
5341 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5342 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5343 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5344 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5345 df_get_artificial_defs, df_get_artificial_uses,
5346 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5347 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5348 df_refs_delete, df_reorganize_refs, df_set_state,
5349 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5350 df_def_record_1, df_defs_record, df_uses_record,
5351 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5352 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5353 df_record_exit_block_uses, df_hard_reg_init): New functions.
5355 * df-problems.c: Seven concrete dataflow problems that use the
5356 scanning in df-scan.c and are solved by the engine in df-core.c.
5357 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5358 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5359 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5360 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5361 df_ru_free_bb_info, df_ru_alloc,
5362 df_ru_bb_local_compute_process_def,
5363 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5364 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5365 df_ru_transfer_function, df_ru_free, df_ru_dump,
5366 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5367 df_rd_free_bb_info, df_rd_alloc,
5368 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5369 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5370 df_rd_transfer_function, df_rd_free, df_rd_dump,
5371 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5372 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5373 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5374 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5375 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5376 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5377 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5378 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5379 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5380 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5381 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5382 df_urec_mark_reg_use_for_earlyclobber,
5383 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5384 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5385 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5386 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5387 df_chain_create_bb_process_use, df_chain_create_bb,
5388 df_chain_finalize, df_chain_free, df_chains_dump,
5389 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5390 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5391 df_reg_lifetime): New functions.
5392 * df.c: Deleted file.
5393 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5394 consistent with new df api.
5395 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5396 rest_of_handle_sms): Ditto.
5397 * web.c (unionfind_union, union_defs, entry_register, web_main):
5398 Ditto.
5399 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5400 invariant_expr_equal_p, find_defs, check_dependencies,
5401 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5402 free_inv_motion_data, move_loop_invariants): Ditto.
5403 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5404 Update dependencies.
5405 (odf.c): Added defective entry that was deleted later in day.
5406 * sched-deps.c (sched_analyze_1): Ditto.
5408 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5410 * tree-ssa-operands.c (get_expr_operands): Record addressable
5411 variables directly. Do not call add_stmt_operands for CONST_DECLs
5412 and ARRAY_DECLs.
5413 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5414 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5416 2006-01-11 Ben Elliston <bje@au.ibm.com>
5418 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5419 function returns true in the positive case.
5421 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5423 PR target/20754
5424 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5425 for SI, DI, SF and DF modes. Add alternatives to copy between
5426 general and floating point registers to the 32-bit patterns.
5427 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5428 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5429 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5430 generating 64-bit code.
5431 * config/pa/pa.c (output_move_double): Handle copies between general
5432 and floating registers.
5434 2006-01-10 Stuart Hastings <stuart@apple.com>
5436 * config/i386/i386.md (set_got): Update.
5437 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5438 (builtin_setjmp_receiver): Mach-O support.
5439 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5440 (GOT_SYMBOL_NAME): Define.
5441 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5442 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5443 * config/i386/i386.c (override_options): Revise for Darwin.
5444 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5445 support. (darwin_x86_file_end): New. (output_set_got): Add label
5446 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5447 * config/i386/i386-protos.h (output_set_got): Likewise.
5448 * config/darwin.c (machopic_legitimize_pic_address): Update
5449 regs_ever_live[].
5451 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5453 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5454 when MODE isn't BLKmode.
5456 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5458 PR rtl-optimization/25367
5459 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5461 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5463 PR target/25718
5464 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5465 for a negative bound.
5467 2006-01-10 Richard Guenther <rguenther@suse.de>
5469 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5470 Never override with anything constraint.
5472 2006-01-10 Jan Beulich <jbeulich@novell.com>
5474 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5475 256 bits when optimize_size.
5477 2006-01-10 Jan Beulich <jbeulich@novell.com>
5479 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5480 MASK_ALIGN_DOUBLE.
5481 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5482 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5483 arguments.
5485 2006-01-10 Ben Elliston <bje@au.ibm.com>
5487 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5488 float modes.
5489 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5490 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5491 (USE_FP_FOR_ARG): Reject decimal float modes.
5492 (function_arg_advance): Likewise.
5493 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5494 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5495 point types in AltiVec vectors.
5496 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5497 (rs6000_libcall_value): Likewise.
5499 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5501 * config/xtensa/ieee754-df.S: New file.
5502 * config/xtensa/ieee754-sf.S: New file.
5503 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5504 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5505 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5507 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5509 * config/sh/predicates.md (binary_float_operator,
5510 binary_logical_operator, commutative_float_operator,
5511 equality_comparison_operator, greater_comparison_operator,
5512 less_comparison_operator, logical_operator,
5513 noncommutative_float_operator, shift_operator,
5514 symbol_ref_operand, unary_float_operator): Remove redundant
5515 conditionals.
5517 2006-01-09 Jeff Law <law@redhat.com>
5519 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5520 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5521 now unused arguments. Callers updated.
5522 (eliminate_redundant_computations): Remove now unused arguments,
5523 callers updated.
5524 (local_fold): Remove, no longer used.
5525 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5526 and moved to...
5527 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5528 (simplify_cond): New function.
5529 (forward_propagate_into_cond): Call simplify_cond.
5531 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5533 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5534 (*vec_extractv2di_1_sse): New.
5536 2006-01-09 Ben Elliston <bje@au.ibm.com>
5538 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5540 2006-01-08 Richard Guenther <rguenther@suse.de>
5542 * tree-ssa-structalias.c (get_constraint_for): Remove
5543 anyoffset argument.
5544 (get_constraint_for_component_ref): Likewise.
5545 (do_deref): Likewise.
5546 (get_constraint_for): Likewise.
5547 (do_structure_copy): Likewise.
5548 (handle_ptr_arith): Likewise.
5549 (find_func_aliases): Likewise. Remove unused need_anyoffset
5550 variable.
5552 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5553 Kaz Kojima <kkojima@gcc.gnu.org>
5555 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5556 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5557 (EXTRA_CONSTRAINT_C16): Remove.
5558 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5559 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5560 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5561 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5562 constants of SHmedia. Handle nested constant expressions of
5563 SHmedia correctly.
5564 (andcosts): Fix the costs for SHmedia constants.
5565 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5566 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5567 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5568 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5569 (movv4hi_i, movv2si_i): Likewise.
5570 (movsi_const): Adjust the second operand of ior so to match with
5571 the Csu constraint.
5572 (movdi_const, movdi_const_32bit): Likewise.
5573 (movdi_const_16bit+1): Don't sign-extend LOW.
5574 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5575 step.
5576 (*double_shori): Fix the split condition. Use GEN_INT instead
5577 of get_int_mode calls. Mask lower 16-bit of the argument of
5578 the last GEN_INT.
5579 (sym2GOTPLT): Remove.
5580 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5581 gen_rtx_UNSPEC.
5582 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5583 instead of EXTRA_CONSTRAINT_C16.
5585 2006-01-07 Ian Lance Taylor <ian@airs.com>
5586 David Edelsohn <edelsohn@gnu.org>
5588 PR rtl-optimization/25662
5589 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5590 for constant operands instead of simplify_gen_binary.
5591 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5592 after trying simplify_binary_operation
5594 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5596 * tree.c (iterative_hash_expr): Hash decls based on UID.
5598 2006-01-06 Eric Christopher <echristo@apple.com>
5600 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5601 (TARGET_UNWIND_EMIT): Fix spelling.
5602 * target.h (gcc_target): Add except_table_label.
5603 * except.c (output_function_exception_table): Use.
5604 * varasm.c (default_emit_except_table_label): New.
5605 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5606 define.
5607 (asm_out): Add here.
5608 * output.h (default_emit_except_table_label): Prototype.
5609 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5610 * config/darwin.c (darwin_emit_except_table_label): Define.
5611 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5613 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5615 PR tree-optimization/18527
5616 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5617 number_of_iterations_special, number_of_iterations_exit):
5618 Move base and step of an iv to a single structure. Add
5619 no_overflow flag, and use it in # of iterations analysis.
5620 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5621 folded_casts argument.
5622 (simple_iv): Pass base and step in a structure. Set no_overflow
5623 flag.
5624 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5625 Evaluate expensiveness of computing # of iterations instead of
5626 the final expression.
5627 * tree-scalar-evolution.h (affine_iv): New structure.
5628 (simple_iv): Declaration changed.
5629 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5630 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5631 find_givs_in_stmt): Changed due to simple_iv change.
5633 2006-01-06 Jeff Law <law@redhat.com>
5635 PR ada/24994
5636 * tree-cfg.c (bsi_replace): Rename final argument from
5637 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5638 change (stmt -> orig_stmt).
5639 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5640 (bsi_remove): Add new argument. Remove EH information
5641 if requested.
5642 (verify_eh_throw_table_statements): New function.
5643 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5644 updated.
5645 * tree-optimize.c (execute_free_cfg_annotations): Verify
5646 the EH throw statement table after removing annotations.
5647 * except.h (verify_eh_throw_table_statements): Prototype.
5648 * tree-flow.h (bsi_remove): Update prototype.
5649 * tree-vrp.c (remove_range_assertions): Add new argument to
5650 bsi_remove call.
5651 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5652 * tree-complex.c (expand_complex_div_wide): Likewise.
5653 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5654 * tree-tailcall.c (eliminate_tailcall): Likewise.
5655 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5656 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5657 * tree-nrv.c (tree_nrv): Likewise.
5658 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5659 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5660 (combine_blocks): Likewise.
5661 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5662 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5663 (cleanup_control_flow): Likewise.
5664 (remove_forwarder_block): Likewise.
5665 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5666 * tree-sra.c (sra_replace): Likewise.
5667 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5668 (forward_propagate_single_use_vars): Likewise.
5669 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5670 * tree-inline.c (expand_call_inline): Likewise.
5671 * tree-vect-transform.c (vect_transform_loop): Likewise.
5672 * tree-outof-ssa.c (rewrite_trees): Likewise.
5673 * tree-cfg.c (make_goto_expr_edges): Likewise.
5674 (cleanup_dead_labels): Likewise.
5675 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5676 (bsi_move_before, bsi_move_after): Likewise.
5677 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5678 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5680 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5682 PR tree-opt/25528
5683 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5684 and IMAGPART_EXPR.
5685 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5686 on non gimple variables. Also add checks at the top for decls and
5687 mtags.
5688 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5689 complex types.
5690 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5691 and IMAGPART_EXPR for creating MUST_DEFs.
5692 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5693 and NAME_MEMORY_TAG separately from the DECLs.
5695 2006-01-06 Richard Guenther <rguenther@suse.de>
5697 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5698 annotation, if necessary.
5699 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5700 redundant calls to update_stmt.
5701 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5702 Likewise.
5704 2006-01-05 Richard Henderson <rth@redhat.com>
5706 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5708 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5710 * c-typeck.c: Update copyright date.
5712 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5714 * c-typeck.c (build_c_cast): Always warn when casting
5715 from a pointer to an integer of different size, even if
5716 the node was constant.
5718 2006-01-05 Richard Guenther <rguenther@suse.de>
5720 PR tree-optimization/22555
5721 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5722 if one structure field is an array.
5723 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5724 operands even if we found a subvar, but ignore VOPs in this
5725 case.
5726 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5727 for renaming.
5728 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5730 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5732 PR middle-end/24998
5733 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5735 2006-01-05 Richard Guenther <rguenther@suse.de>
5736 Diego Novillo <dnovillo@redhat.com>
5738 * tree-pass.h (TODO_remove_unused_locals): Define.
5739 * gimple-low.c (expand_var_p, remove_useless_vars,
5740 pass_remove_useless_vars): Remove. Update all users.
5741 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5742 (remove_unused_locals): New function.
5743 * tree-flow.h (remove_unused_locals): Declare.
5744 * passes.c (execute_todo): Call remove_unused_locals if
5745 TODO_remove_unused_locals is set.
5746 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5747 * tree-ssa-dce.c (pass_dce): Likewise.
5748 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5750 2006-01-05 Richard Guenther <rguenther@suse.de>
5752 * tree-flow.h (struct fieldoff): Decompose field to
5753 type, size and decl.
5754 * tree-ssa-alias.c (create_sft): Take type as parameter.
5755 (create_overlap_variables_for): Store type, size and decl
5756 in the fieldoff structure.
5757 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5758 of struct fieldoff.
5759 (push_fields_onto_fieldstack): Likewise.
5760 (create_variable_info_for): Likewise. Use offset for the
5761 SFT name if the decl is not available.
5763 2006-01-04 Paul Brook <paul@codesourcery.com>
5765 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5767 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5769 * lambda-code.c (can_put_in_inner_loop): Relax
5770 restrictions.
5771 (can_put_after_inner_loop): New function.
5772 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5773 (perfect_nestify): Change to make copies and modify uses.
5775 2006-01-04 Richard Henderson <rth@redhat.com>
5777 Merge from gomp branch:
5778 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5779 via integer constant.
5780 (pragma_lex): Remove.
5781 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5782 rather than parsing it.
5783 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5784 handle_pragma_extern_prefix): Add %< %> quotes.
5785 (registered_pragmas): New.
5786 (c_register_pragma_1): New.
5787 (c_register_pragma): Use it.
5788 (c_register_pragma_with_expansion): Likewise.
5789 (c_invoke_pragma_handler): New.
5790 (init_pragma): Use cpp_register_deferred_pragma directly for
5791 pch_preprocess.
5792 * c-pragma.h (enum pragma_kind): New.
5793 (pragma_handler): New.
5794 (c_invoke_pragma_handler): Declare.
5795 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5796 CPP_PRAGMA_EOL.
5797 * c-common.h (c_common_pch_pragma): Update decl.
5798 * Makefile.in (c-parser.o): Update dependencies.
5799 (GTFILES): Add c-pragma.h.
5800 * c-parser.c (struct c_token): Add pragma_kind.
5801 (struct c_parser): Add in_pragma.
5802 (c_lex_one_token): Always initialize keyword and pragma_kind.
5803 Extract data for CPP_PRAGMA.
5804 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5805 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5806 Don't allow CPP_PRAGMA_EOL if in_pragma.
5807 (c_parser_consume_pragma): New.
5808 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5809 (c_parser_skip_to_end_of_parameter): Likewise.
5810 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5811 (c_parser_skip_to_pragma_eol): New.
5812 (c_parser_external_declaration): Handle CPP_PRAGMA.
5813 (c_parser_compound_statement_nostart): Likewise.
5814 (c_parser_statement_after_labels): Likewise.
5815 (c_parser_pragma): New.
5816 (pragma_lex): Likewise.
5817 (c_parser_pragma_pch_preprocess): New.
5818 (c_parser_new): Merge into ...
5819 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5821 2006-01-04 Jeff Law <law@redhat.com>
5823 PR ada/24994
5824 * tree-cfg.c (bsi_replace): Remove the original statement
5825 from the EH throw statement table.
5827 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5829 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5830 make the prototype extern "C" and add throw ().
5832 PR target/25554
5833 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5834 and pos non-negative and pos + len <= 32.
5835 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5836 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5837 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5839 PR c/25559
5840 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5841 as well as sizes not multiple of component size.
5843 PR debug/25562
5844 * function.c (instantiate_expr): New function.
5845 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5846 walk its DECL_VALUE_EXPR with instantiate_expr.
5848 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5849 DW_OP_deref{,_size} if address isn't going to be added.
5851 2006-01-04 Ben Elliston <bje@au.ibm.com>
5853 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5854 * config/fp-bit.c: Likewise.
5856 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5858 * dominance.c: Add comment about why we use DFS numbering
5859 of dominance tree.
5861 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5862 Richard Henderson <rth@redhat.com>
5864 Merge from gomp-branch:
5865 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5866 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5868 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5870 PR rtl-optimization/25578
5871 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5872 pass a parameter to simplify_shift_const if changing ASHIFTRT
5873 to LSHIFTRT.
5875 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5877 * builtins.c (get_builtin_sync_mem): New function.
5878 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5879 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5880 Call get_builtin_sync_mem to generate mem rtx.
5882 2006-01-03 Richard Guenther <rguenther@suse.de>
5884 PR c/25183
5885 * stmt.c (add_case_node): Make sure to clear overflow flags
5886 from ranges.
5888 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5890 Merge from gomp-branch.
5891 * config/sparc/sync.md: New file.
5892 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5893 UNSPECV_LDSTUB): New constants.
5894 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5895 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5896 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5897 prototype.
5899 2006-01-03 Roger Sayle <roger@eyesopen.com>
5901 * combine.c (reg_subword_p): New predicate to test whether the
5902 destination of a set refers to a subword/piece of a register.
5903 (try_combine): Generalize the code to merge the setting of a
5904 pseudo to a constant followed by a set of a subword of that
5905 register to a constant.
5907 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5909 * basic-block.h (control_flow_graph): Change the type of
5910 x_label_to_block_map to VEC(basic_block,gc) *.
5911 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5912 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5914 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5915 VEC(basic_block,heap) *.
5916 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5917 ssa_prop_fini): Adjust the uses of cfg_blocks.
5919 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5921 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5922 COMPONENT_REFs.
5923 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5924 hashing trees instead of a pointer hash.
5925 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5926 compare for MEM_EXPR.
5928 PR rtl-optimization/25130
5929 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5930 when comparing MEMs for GCSE
5932 2006-01-03 Ben Elliston <bje@au.ibm.com>
5934 * targhooks.h (default_decimal_float_supported_p): Declare.
5935 * targhooks.c (default_decimal_float_supported_p): Define.
5936 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5937 `default_decimal_float_supported_p'.
5938 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5940 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5942 * combine.c (apply_distributive_law <SUBREG>): Check
5943 TRULY_NOOP_TRUNCATION.
5945 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5947 * dwarf2out.c (have_switched_text_section): Delete.
5948 (have_multiple_function_sections): New.
5949 (have_location_lists): Make 'bool'.
5950 (add_AT_loc_list): Use 'true' not '1'.
5951 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5952 (output_loc_list): Use have_multiple_function_sections.
5953 (output_ranges): Likewise.
5954 (dwarf2out_begin_function): Set have_multiple_function_sections if
5955 necessary.
5956 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5957 Check function_section rather than DECL_SECTION_NAME.
5958 (dwarf2out_finish): Use have_multiple_function_sections.
5959 Don't clear have_location_lists.
5961 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5962 Jan Hubicka <jh@suse.cz>
5964 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5965 case of conditional jump jumping to the next instruction.
5966 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5967 cases of conditional jump jumping to the next instruction.
5969 2006-01-02 Jan Hubicka <jh@suse.cz>
5971 * i386.c (*_cost): Add COSTS_N_INSNS.
5972 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5974 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5976 PR target/25259
5977 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5979 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5981 * config/arm/arm.c (all_fpus): Fix comment typo.
5982 * config/darwin.c: Likewise.
5983 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5984 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5985 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5987 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5989 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5990 (rs6000_split_compare_and_swapqhi): New.
5991 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5992 (sync_compare_and_swapqhi_internal): New.
5993 * config/rs6000/rs6000-protos.h: Declare.