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1 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2
3         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
4         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5         MASK_68010 alongside MASK_68020.
6         * doc/invoke.texi: Document -m68010.
7         * config/m68k/m68k.opt (m68010): New.
8         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9         if TUNE_68010.
10         (TUNE_68010): New macro.
11         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
12         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
13         (M68K_CPU_m68332): Add MASK_68010.
14         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
15         fallback definition.
16         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
17         defines.
18         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
19         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
20         to all entries that use MASK_68020.
21         (output_move_simode_const, output_move_himode, output_move_qimode)
22         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
23         instead of TARGET_68020 to select clr behavior.  Remove comment
24         about there being no TARGET_68010.
25         * config/m68k/m68k.md: Likewise throughout.
26
27 2007-01-12  Julian Brown  <julian@codesourcery.com>
28
29         * config/m68k/m68k.h (TARGET_ISAB): New macro.
30         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
31         * config/m68k/m68k.md: Likewise.
32
33 2007-01-12  Julian Brown  <julian@codesourcery.com>
34
35         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
36         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
37
38 2007-01-12  Julian Brown  <julian@codesourcery.com>
39
40         * config/m68k/m68k.h (TUNE_68040_60): New macro.
41         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
42         * config/m68k/m68k.md: Likewise.
43
44 2007-01-12  Julian Brown  <julian@codesourcery.com>
45             Richard Sandiford  <richard@codesourcery.com>
46
47         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
48         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
49         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
50         TARGET_CPU32.
51         (TARGET_CPU32): Rename to...
52         (TUNE_CPU32): ...this.
53         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
54         (TUNE_CFV2): New macros.
55         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
56         remove conditions that are implied by TARGET_68020.
57         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
58         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
59         (m68k_output_function_epilogue): Likewise.
60         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
61         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
62         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
63         non-68000 timings.  Refactor multiplication and division costs.
64         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
65         TUNE_CPU32 instead of TARGET_CPU32.
66         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
67         and TUNE_68060 instead of TARGET_68060.
68         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
69         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
70         TARGET_CPU32.
71         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
72         && !TARGET_COLDFIRE" to choose between moveq and clr.
73         Likewise in the unnamed movsf pattern.
74         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
75         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
76         ashiftrt pattern.
77
78 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
79
80         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
81         of tabbing before backslashes.
82
83 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
84
85         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
86         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
87         (ASM_OUTPUT_INTERNAL_LABEL): Define.
88
89 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
90
91         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
92         find_interesting_uses_cond.
93         (find_interesting_uses_cond): Use extract_cond_operands.
94         (rewrite_use_compare): Use extract_cond_operands and
95         force_gimple_operand_bsi.  Do not call update_stmt.
96         (determine_use_iv_cost_condition): Use extract_cond_operands.
97         Return cheaper of using original bound and changing the exit bound.
98
99 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
100
101         PR tree-optimization/29516
102         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
103         most_expensive_mult_to_index, addr_to_parts,
104         create_mem_ref, maybe_fold_tmr): Make the type of
105         fields of TARGET_MEM_REF sizetype.
106         (move_fixed_address_to_symbol, move_pointer_to_base):
107         New functions.
108         * tree.def (TARGET_MEM_REF): Add comment on types of
109         the operands.
110
111 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
112
113         * c-common.c (vector_types_convertible_p): Treat opaque types as
114         always convertible if they have the same size, but not otherwise.
115
116 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
117
118         * ifcvt.c (struct noce_if_info): Add comments to the fields.
119         Remove the b_unconditional field.
120         (noce_try_sign_mask): Do not look at b_unconditional.
121         (noce_process_if_block): Do not use merge_if_blocks.  Update
122         the CFG here.  Do not set b_unconditional.
123         (cond_move_process_if_block): Likewise.
124         (find_cond_trap): Likewise.
125         (check_cond_move_block): Require simple jump insns at the end
126         of the basic block.
127
128 2007-01-11  Jan Hubicka  <jh@suse.cz>
129
130         PR tree-optimization/1046
131         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
132         when alias info is not ready.
133         (pass_tail_recursion): Do not require aliasing.
134         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
135         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
136         * tree-ssa-copy.c (pass_copy_prop): Likewise.
137         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
138         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
139         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
140         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
141         before inlining.
142         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
143         When aliasing is not build, mark statement as volatile.
144
145 2007-01-11  Tom Tromey  <tromey@redhat.com>
146
147         PR preprocessor/15185, PR preprocessor/20989:
148         * doc/cppopts.texi <-MT>: Update description of algorithm for
149         computing default target.
150         <-M, -MD>: Reword "basename" text.
151
152 2007-01-11  Roger Sayle  <roger@eyesopen.com>
153
154         * builtins.c (expand_builtin_pow, expand_builtin_powi,
155         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
156         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
157         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
158         fold_builtin_bswap, real_constp, fold_builtin_pow,
159         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
160         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
161         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
162         * convert.c (convert_to_pointer): Likewise.
163         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
164         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
165         const_binop, fold_convert_const_int_from_int,
166         fold_convert_const_int_from_real,
167         fold_convert_const_real_from_real, sign_bit_p,
168         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
169         fold_sign_changed_comparison, fold_unary, fold_comparison,
170         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
171         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
172         * print-tree.c (print_node_brief, print_node): Likewise.
173         * stor-layout.c (place_field, layout_type): Likewise.
174         * tree-chrec.c (keep_cast): Likewise.
175         * tree.c (build_vector, build_real, build_real_from_int_cst,
176         build_complex): Likewise.
177
178 2007-01-11  Roger Sayle  <roger@eyesopen.com>
179
180         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
181         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
182
183 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
184
185         * configure.ac (strict1_warn): Rename to strict_warn.
186         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
187         cc_set_by_configure, quoted_cc_set_by_configure,
188         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
189         all_boot_languages, all_stagestuff): Remove.
190         (target_list): Remove bootstrap targets.
191         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
192         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
193         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
194         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
195         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
196         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
197         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
198         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
199         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
200         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
201         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
202         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
203         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
204         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
205         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
206         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
207         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
208         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
209         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
210         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
211         (mostlyclean): Adjust.
212         (clean, distclean): Don't mention bootstrap stuff.
213         * configure: Regenerate.
214         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
215         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
216         treelang/config-lang.in (stagestuff): Remove.
217         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
218         stageprofile, stagefeedback, stagestuff): Remove mention.
219
220 2007-01-11  Nick Clifton  <nickc@redhat.com>
221
222         * config/mcore/predicates.md (mcore_general_movesrc_operand):
223         Accept CONSTs.
224         (mcore_general_movdst_operand): Do not accept CONST_INTs.
225         (mcore_arith_K_S_operand): Run the test for the S constraint not
226         the test for the M constraint.
227         (mcore_addsub_operand): Do not accept integer values that are
228         larger than 32 bits.
229         * config/mcore/mcore.md: Remove unused constraints from split.
230         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
231         (addsi3): Likewise.
232         (allocate_stack): Likewise.
233         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
234         operands to 32 bits.
235         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
236         INTVAL.
237         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
238         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
239         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
240         mcore_output_bclri, mcore_output_andn, output_inline_const,
241         mcore_output_move, mcore_output_movedouble): Likewise.
242         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
243         (output_inline_const): Likewise.
244         (output_inline_const): Fix format strings used in sprintf
245         statements.
246         * config/mcore/mcore-protos.h: Update prototypes for changed
247         functions in mcore.c.
248         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
249         HOST_WIDE_INT and not int.
250         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
251         CONST_OK_FOR_N): Likewise.
252         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
253         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
254         an INTVAL.
255
256 2007-01-10  Jan Hubicka  <jh@suse.cz>
257
258         * tree-vrp.c (remove_range_assertions): Release defs.
259         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
260         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
261
262 2007-01-10  Paul Brook  <paul@codesourcery.com>
263
264         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
265         * config/arm/arm.md (mulsi3subsi): New insn.
266
267 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
268
269         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
270         (tree_transform_and_unroll_loop): New.
271         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
272         Declare.
273
274 2007-01-10  Robert Kennedy <jimbob@google.com>
275
276         * fold-const.c (fold_comparison): Fold comparisons like (x *
277         1000 < 0) to (x < 0).
278
279 2007-01-10  Ian Lance Taylor  <iant@google.com>
280
281         * tree-pretty-print.c (dump_generic_node): Print parentheses when
282         operands have the same priority.
283
284 2007-01-10  Tom Tromey  <tromey@redhat.com>
285
286         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
287         (fold_binary): Likewise.
288         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
289         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
290         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
291         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
292         * langhooks.h (struct lang_hooks): Removed field
293         'can_use_bit_fields_p'.
294
295 2007-01-10  Ralf Cors├ępius <ralf.corsepius@rtems.org>
296
297         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
298
299 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
300
301         * function.c (get_last_funcdef_no): New function.
302         * function.h (get_last_funcdef_no): Declare. 
303         * tree-inline.c (initialize_cfun): Add initialization.
304         (tree_function_versioning): Cleanup.
305         
306 2007-01-10  Jan Hubicka  <jh@suse.cz>
307
308         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
309         PHIs.
310
311 2007-01-10  Sa Liu  <saliu@de.ibm.com>
312             Ben Elliston  <bje@au.ibm.com>
313
314         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
315         for SAVE_NONLOCAL and Pmode for any other save level.
316         * spu-protos.h (spu_restore_stack_block): Declare.
317         * spu.md (save_stack_block): Remove.
318         (restore_stack_block): Call spu_restore_stack_block.
319         * spu.c (spu_restore_stack_block): New function.
320         (spu_expand_epilogue): Remove old comment.
321
322 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
323
324         PR tree-optimization/30322
325         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
326         (cand_value_at): Return the value as aff_tree.
327         (may_eliminate_iv): Convert the bound from aff_tree to tree.
328         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
329         aff_combination_mult): New functions.
330         (aff_combination_add): Use aff_combination_add_cst.
331         (aff_combination_convert): Allow conversions to a wider type.
332         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
333         * tree-affine.h (aff_combination_mult): Declare.
334
335 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
336
337         * doc/tm.texi: Update documentation to reflect reality of exec
338         and start file search behaviours. Update copyright year.
339         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
340         header file directories.
341
342 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
343
344         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
345         (*cosxf2): Rename to cosxf2_i387.
346
347         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
348         using X87MODEF12 mode macro. Rename patterns to
349         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
350         for SSE math.
351         (*cosdf2, *cossf2): Ditto.
352         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
353         to match extended input operands.
354
355         (sincos<mode>3): New expander.
356
357         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
358         insn patterns and corresponding splitters.
359
360 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
361
362         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
363         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
364
365 2007-01-09  Nicolas Pitre  <nico@cam.org>
366
367         PR target/30173
368         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
369
370 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
371
372         * target.h (struct gcc_target): New field library_rtti_comdat.
373         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
374         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
375         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
376         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
377
378 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
379
380         * doc/invoke.texi (Optimize Options): Correct description of -O0.
381
382 2007-01-08  Richard Guenther  <rguenther@suse.de>
383
384         * tree.h (force_fit_type_double): Export.
385         (force_fit_type): Remove.
386         * fold-const.c (force_fit_type_double): New function.
387         (force_fit_type): Remove.
388         (int_const_binop): Use it.
389         (fold_convert_const_int_from_int): Likewise.
390         (fold_convert_const_int_from_real): Likewise.
391         (fold_div_compare): Likewise.
392         (fold_sign_changed_comparison): Likewise.
393         (fold_unary): Likewise.
394         (fold_negate_const): Likewise.
395         (fold_abs_const): Likewise. 
396         (fold_not_const): Likewise.
397         * c-common.c (shorten_compare): Use force_fit_type_double.
398         * convert.c (convert_to_pointer): Likewise.
399
400 2007-01-08  Richard Guenther  <rguenther@suse.de>
401
402         * tree.h (build_int_cst_wide_type): Export.
403         * tree.c (build_int_cst_wide_type): New function.
404         (build_int_cst_wide): Fix comment.
405         * builtins.c (fold_builtin_object_size): Use build_int_cst
406         to build -1 or 0 of the correct type.  Use fit_double_type
407         to check for overflow.
408         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
409         to build the mask.
410         (decode_field_reference): Likewise.
411         (all_ones_mask_p): Likewise.
412         (native_interpret_int): Use build_int_cst_wide_type.
413         (fold_binary): Use build_int_cst_type to build an all-ones
414         value.
415         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
416
417 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
418
419         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
420
421 2007-01-09  Ben Elliston  <bje@au.ibm.com>
422
423         * genautomata.c (STATS_OPTION): New option.
424         (stats_flag): New flag.
425         (gen_automata_option): Handle it.
426         (initiate_automaton_gen): Ditto.
427         (write_automata): Output statistics only if stats_flag is
428         set. Likewise, output time statistics only if time_flag is set.
429         * doc/md.texi (Processor pipeline description): Document new flag.
430
431 2007-01-08  Richard Guenther  <rguenther@suse.de>
432
433         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
434         * tree.c (build_int_cst_type): Likewise.
435         (size_in_bytes): Don't call force_fit_type on the result.
436         (int_fits_type_p): Use fit_double_type.
437         * fold-const.c (fit_double_type): New function.
438         (force_fit_type): Use it.
439         * tree.h (fit_double_type): Export.
440
441 2007-01-08  Jan Hubicka  <jh@suse.cz>
442
443         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
444         * ipa.c (function_and_variable_visibility): Fix return type.
445
446 2007-01-08  Richard Guenther  <rguenther@suse.de>
447
448         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
449         of offset to build the index.
450         * tree-pretty-print.c (dump_generic_node): Don't build negated
451         const just for printing.
452         * c-pretty-print.c (pp_c_integer_constant): Likewise.
453         * builtins.c (fold_builtin_int_roundingfn): Check if result
454         fits the type by using force_fit_type and comparing the result.
455         * predict.c (predict_loops): Use compare_tree_int for comparison.
456         * tree.c (build_int_cst): Fall back to integer_type_node for
457         NULL_TREE type.
458         (build_int_cst_wide): Assert type is non-null.
459
460 2007-01-08  Roberto Costa  <roberto.costa@st.com>
461
462         * tree-vrp.c (extract_range_from_cond_expr): New.
463         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
464         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
465         as expressions.
466         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
467         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
468         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
469         used as expressions.
470         * tree-object-size.c (cond_expr_object_size): New.
471         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
472
473 2007-01-08  Jan Hubicka  <jh@suse.cz>
474
475         * tree-ssa-forwprop.c (forward_propagate_into_cond,
476         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
477         statement.
478
479 2007-01-08  Richard Guenther  <rguenther@suse.de>
480
481         PR tree-optimization/23603
482         * tree-vrp.c (set_value_range_to_truthvalue): New function.
483         (extract_range_from_binary): Fall back to truthvalue instead of
484         varying for TRUTH_*_EXPR.
485         (extract_range_from_comparison): Fall back to truthvalue instead of
486         varying.
487         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
488         if all visited PHI values were constant.
489
490 2007-01-08  Jan Hubicka  <jh@suse.cz>
491
492         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
493         (cgraph_analyze_function): break out from ...
494         (cgraph_finalize_compilation_unit): ... here.
495         (cgraph_expand_function): Remove forgoten commented out line.
496         (cgraph_optimize): Analyze functions.
497
498 2007-01-08  Jan Hubicka  <jh@suse.cz>
499
500         * tree-pas.h (TODO_remove_function): New flag.
501         (TODO_update*): Renumber.
502         (pass_ipa_increase_alignment,
503         pass_ipa_function_and_variable_visibility): New passes.
504         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
505         (cgraph_function_and_variable_visibility): Move to ipa.c
506         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
507         cgraph_increase_alignment.
508         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
509         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
510         calling tree-inline.
511         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
512         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
513         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
514         (gate_increase_alignment): New function.
515         (pass_ipa_increase_alignment): New pass.
516         * ipa.c: Inline tree-pass.h and timevar.h
517         (function_and_variable_visibility): Move here from cgraphunit.c
518         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
519         * passes.c (init_optimization_passes): Add the two new passes.
520         (execute_todo): Handle cgraph_remove_functions.
521
522 2007-01-08  Nick Clifton  <nickc@redhat.com>
523
524         * config/frv/predicates.md (reg_or_0_operand): Accept
525         CONST_DOUBLEs.
526
527 2007-01-08  Ralf Cors├ępius <ralf.corsepius@rtems.org>
528
529         * config/bfin/rtems.h, config/bfin/t-rtems: New.
530         * config.gcc: Add bfin*-rtems*.
531
532 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
533
534         * c.opt: Add -flax-vector-conversions.
535         * c-typeck.c (convert_for_assignment): Pass flag to
536         vector_types_convertible_p to allow emission of note.
537         (digest_init): Likewise.
538         * c-opts.c: Handle -flax-vector-conversions.
539         * c-common.c (flag_lax_vector_conversions): New.
540         (vector_types_convertible_p): Unless -flax-vector conversions
541         has been passed, disallow conversions between vectors with
542         differing numbers of subparts and/or element types.  If such
543         a conversion is disallowed, possibly emit a note on the first
544         occasion only to inform the user of -flax-vector-conversions.
545         The new last argument specifies this.
546         * c-common.h (flag_lax_vector_conversions): New.
547         (vector_types_convertible_p): Add extra argument.
548         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
549         char_type_node for V*QI type vectors.
550         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
551         Update to satisfy new typechecking rules.
552         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
553         C and C++ variants.
554         * doc/invoke.texi (C Dialect Options): Document
555         -flax-vector-conversions.
556
557 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
558
559         PR tree-optimization/29877
560         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
561         a register variable on the RHS to not be replaceable.
562
563 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
564         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
565         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
566         const_simm15, const_pow2, const_npow2): Added.
567         * config/score/misc.md (insv, extv, extzv, movmemsi, 
568         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
569         * config/score/score.c (score_address_cost, score_select_cc_mode): 
570         Added.
571         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
572         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
573         Update score_print_operand.
574         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
575         Adjust register allocate order and update some macro define.
576         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
577         mdx_block_move_straight, mdx_block_move_loop_head,
578         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
579         mdx_block_move): Added.
580         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
581         mdp_limm): Updated and fix some bug and typo.
582         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
583         (movsf, movdf, doloop_end): Added.
584
585 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
586
587         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
588         config/arm/thumb2.md: Fix comment typos.
589         * doc/extend.texi: Fix a typo.
590
591 2007-01-07  Eric Christopher  <echristo@apple.com>
592
593         * configure.ac: Check for __stack_chk_fail for darwin.
594         * configure: Regenerate.
595
596 2007-01-07  Richard Guenther  <rguenther@suse.de>
597
598         * tree-vrp.c (extract_range_from_assert): CSE calls to
599         compare_values where possible.
600         (extract_range_from_unary_expr): Likewise.
601
602 2007-01-07  Anatoly Sokolov <aesok@post.ru>
603
604         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
605         * config/avr/avr.c (call_insn_operand): Delete function.
606         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
607         instead of register number. Use predicates.
608         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
609         call_insn_operand): Add.
610
611 2007-01-06  Jan Hubicka  <jh@suse.cz>
612
613         * tree-pass.h (pass_build_cgraph_edges): Declare.
614         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
615         (visited_nodes): Remove.
616         (cgraph_create_edges): Move to cgraphbuild.c; rename to
617         build_cgrpah_edges; make visited_nodes local.
618         (cgraph_process_new_functions): DO not call initialize_inline_failed.
619         (record_references_in_initializer): Move to cgraphbuild.c
620         (initialize_inline_failed, rebuild_cgraph_edges,
621         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
622         (verify_cgraph_node): Make visited_nodes local.
623         (cgraph_analyze_function): Do not call cgraph_create_edges and
624         initialize_inline_failed.
625         (cgraph_expand_function): Do not call cgraph_lower_function;
626         assert that function is already lowered.
627         * Makefile.in (cgraphbuild.o): New.
628         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
629         at the end of lowering passes.
630
631 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
632
633         * ifcvt.c (cond_move_convert_if_block): New function, code
634         factored out from...
635         (cond_move_process_if_block): ...here.  Call the new function
636         on the THEN and ELSE blocks.
637         (merge_if_block): Do not copy global_live_at_end, merge_blocks
638         already takes care of this.
639
640 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
641
642         PR c/19978
643         * tree.h (TREE_OVERFLOW_P): New.
644         * c-typeck.c (parser_build_unary_op): Warn only if result
645         overflowed and operands did not.
646         (parser_build_binary_op): Likewise.
647         (convert_for_assignment): Remove redundant overflow_warning.
648         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
649
650 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
651
652         * c-typeck.c (store_init_value): Split over two lines to follow
653         the GNU coding style.
654
655 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
656
657         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
658         __GXX_EXPERIMENTAL_CXX0X__.
659         * doc/cpp.texi: Same.
660
661 2007-01-05  Richard Guenther  <rguenther@suse.de>
662
663         PR middle-end/27826
664         * tree.c (get_narrower): Do not construct COMPONENT_REFs
665         with mismatched types.  Instead explicitly build a
666         conversion NOP_EXPR.
667
668 2007-01-05  Ian Lance Taylor  <iant@google.com>
669
670         * c-common.c (decl_with_nonnull_addr_p): New function.
671         (c_common_truthvalue_conversion): Call it.
672         * c-typeck.c (build_binary_op): Likewise.
673         * c-common.h (decl_with_nonnull_addr_p): Declare.
674
675 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
676
677         PR c/30360
678         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
679         denom against 0.0.
680
681 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
682
683         * doc/install.texi (Final install): Document the fact that
684         the GNAT runtime should not be stripped.
685
686 2007-01-04  Jan Hubicka  <jh@suse.cz>
687
688         * tree-inline.c (fold_marked_statements): Update operand caches
689         and EH after folding
690
691 2007-01-04  Ian Lance Taylor  <iant@google.com>
692
693         * c-common.c (check_function_nonnull): Whitespace fix.
694
695 2007-01-04  Jan Hubicka  <jh@suse.cz>
696
697         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
698         comitted older version of patch.
699         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
700         function, celanup cfg and collect garbage.
701
702 2007-01-04  Mike Stump  <mrs@apple.com>
703
704         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
705         (clean): Likewise.
706
707 2007-01-04  Eric Christopher  <echristo@apple.com>
708
709         * libgcc2.c (__bswapsi2): Use SItype.
710         (__bswapdi2): Use DItype.
711         * libgcc2.h: Update for above.
712
713 2007-01-04  Paul Brook  <paul@codesourcery.com>
714
715         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
716         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
717         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
718         umulsidi3, umulsidi3adddi, smulsi3_highpart,
719         umulsi3_highpart): Make conditional on !arm_arch6.
720         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
721         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
722         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
723         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
724         umulsi3_highpart_v6): New insns.
725
726 2007-01-04  Roger Sayle  <roger@eyesopen.com>
727
728         * fold-const.c (fold_convert): When casting an expression to void,
729         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
730         have a type.  Instead of attempting to build a NOP_EXPR, return
731         these "special" trees directly.
732
733 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
734
735         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
736         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
737         rs6000_cost->fp not 0 as adjustment for outer NEG.
738
739 2007-01-04  Jan Hubicka  <jh@suse.cz>
740
741         * cgraph.c (cgraph_release_function_body): New function.
742         (cgraph_remove_node): Use it.
743         * cgraph.h (cgraph_release_function_body): Declare.
744         * cgraphunit.c (cgraph_expand_function): Use it.
745         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
746         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
747         is initialized and while compilation of other function is running.
748         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
749         statement CFG annotations from here to ...
750         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
751
752 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
753
754         * cfgloop.h (enum li_flags): Make the constants powers of two.
755
756 2007-01-04  Jan Hubicka  <jh@suse.cz>
757
758         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
759         set.
760         (fold_marked_statements): New function.
761         (optimize_inline_calls, tree_function_versioning): Fold new statements.
762         * tree-inline.h (copy_body_data): Add statements_to_fold.
763
764 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
765
766         * config.gcc: Mention libgcc/config.host.
767         * Makefile.in: Update comments mentioning libgcc.
768         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
769         (all.cross, start.encap, rest.encap, rest.cross): Update
770         dependencies for libgcc move.
771         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
772         (clean-target, clean-target-libgcc): Delete.
773         (srcdirify, GCC_EXTRA_PARTS): New macros.
774         (libgcc-support, libgcc.mvars): New rules.
775         (distclean): Remove mention of mklibgcc.
776         (install): Don't reference INSTALL_LIBGCC.
777         (install-common): Don't reference EXTRA_PARTS.
778         (install-libgcc, install-multilib): Delete rules.
779         * mklibgcc.in: Delete file.
780         * doc/configfiles.texi: Don't mention mklibgcc.
781
782         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
783         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
784         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
785         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
786         (mklibgcc, ldblspecs): Likewise.
787
788         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
789         (posixpre.def): Use $(T).
790         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
791         (SHLIB_SRC, SHLIB_INSTALL): Delete.
792         (SHLIB_LINK): Make dummy.
793         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
794
795         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
796
797         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
798         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
799         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
800         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
801
802         * configure.ac (all_outputs): Remove mklibgcc.
803         * configure: Regenerated.
804
805 2007-01-03  Josh Conner  <jconner@apple.com>
806
807         PR middle-end/29683
808         * calls.c (compute_argument_addresses): Set stack and stack_slot
809         for partial args, too.
810         (store_one_arg): Use locate.size.constant for the size when
811         generating a save_area.
812
813 2007-01-03  Robert Kennedy <jimbob@google.com>
814
815         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
816         whose definitions are deleted due to basic block merging.
817
818 2007-01-03  Paul Brook  <paul@codesourcery.com>
819
820         PR target/16634
821         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
822         functions.
823         (use_return_insn): Return 0 for Thumb interrupt functions.
824         (print_multi_reg): Add rfe argument for IRQ returns.
825         (arm_output_epilogue): Pop interrupt return address directly into PC.
826         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
827
828 2007-01-03  Paul Brook  <paul@codesourcery.com>
829
830         Merge from sourcerygxx-4_1.
831         * config/arm/thumb2.md: New file.
832         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
833         Thumb-2.
834         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
835         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
836         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
837         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
838         tables.
839         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
840         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
841         comptibility.
842         * config/arm/ieee754-sf.S: Ditto.
843         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
844         (thumb1_base_register_rtx_p): ... to this.
845         (thumb_index_register_rtx_p): Rename...
846         (thumb1_index_register_rtx_p): ... to this.
847         (thumb_output_function_prologue): Rename...
848         (thumb1_output_function_prologue): ... to this.
849         (thumb_legitimate_address_p): Rename...
850         (thumb1_legitimate_address_p): ... to this.
851         (thumb_rtx_costs): Rename...
852         (thumb1_rtx_costs): ... to this.
853         (thumb_compute_save_reg_mask): Rename...
854         (thumb1_compute_save_reg_mask): ... to this.
855         (thumb_final_prescan_insn): Rename...
856         (thumb1_final_prescan_insn): ... to this.
857         (thumb_expand_epilogue): Rename...
858         (thumb1_expand_epilogue): ... to this.
859         (arm_unwind_emit_stm): Rename...
860         (arm_unwind_emit_sequence): ... to this.
861         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
862         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
863         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
864         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
865         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
866         thumb2_output_casesi): New functions.
867         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
868         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
869         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
870         THUMB2_WORK_REGS): Define.
871         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
872         arm_condexec_mask, arm_condexec_masklen)): New variables.
873         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
874         (arm_override_options): Check new CPU capabilities.
875         Set new architecture flag variables.
876         (arm_isr_value): Handle v7m interrupt functions.
877         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
878         Thumb-2.
879         (const_ok_for_arm): Handle Thumb-2 constants.
880         (arm_gen_constant): Ditto.  Use movw when available.
881         (arm_function_ok_for_sibcall): Return false for v7m interrupt
882         functions.
883         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
884         (thumb_find_work_register, arm_load_pic_register,
885         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
886         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
887         print_multi_reg, output_mov_long_double_fpa_from_arm,
888         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
889         output_mov_double_fpa_from_arm, output_move_double,
890         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
891         output_return_instruction, arm_output_function_prologue,
892         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
893         arm_output_mi_thunk, thumb_set_return_address): Ditto.
894         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
895         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
896         (arithmetic_instr, shift_op): Use arm_shift_nmem.
897         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
898         '!' and 'L'.
899         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
900         (thumb_expand_prologue): Use thumb_set_frame_pointer.
901         (arm_file_start): Output directive for unified syntax.
902         (arm_unwind_emit_set): Handle stack alignment instruction.
903         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
904         Add v6t2, v7, v7a, v7r and v7m.
905         (RETLDM): Add Thumb-2 code.
906         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
907         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
908         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
909         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
910         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
911         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
912         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
913         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
914         ADJUST_INSN_LENGTH): Define.
915         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
916         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
917         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
918         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
919         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
920         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
921         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
922         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
923         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
924         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
925         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
926         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
927         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
928         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
929         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
930         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
931         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
932         cortex-m3.
933         * config/arm/arm-tune.md: Regenerate.
934         * config/arm/arm-protos.h: Update prototypes.
935         * config/arm/vfp.md: Enable patterns for Thumb-2.
936         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
937         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
938         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
939         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
940         * config/arm/libunwind.S: Add Thumb-2 code.
941         * config/arm/constraints.md: Update include Thumb-2.
942         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
943         * config/arm/ieee754-df.S: Ditto.
944         * config/arm/bpabi.S: Ditto.
945         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
946         * config/arm/predicates.md (low_register_operand,
947         low_reg_or_int_operand, thumb_16bit_operator): New.
948         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
949         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
950         * config/arm/t-arm-elf: Add armv7 multilib.
951         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
952         Include thumb2.md.
953         (UNSPEC_STACK_ALIGN, ce_count): New.
954         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
955         arm_zero_extendsidi2, arm_zero_extendqidi2): New
956         insns/expanders.
957         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
958         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
959         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
960         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
961         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
962         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
963         insns.
964         * doc/extend.texi: Document ARMv7-M interrupt functions.
965         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
966
967 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
968
969         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
970         (struct _Unwind_Context): Rename args_size to flags, remove
971         signal_frame field, add a new args_size field and version field.
972         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
973         _Unwind_IsExtendedContext): New inline functions.
974         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
975         Assume by_value array is only present if _Unwind_IsExtendedContext.
976         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
977         _Unwind_IsSignalFrame.
978         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
979         (uw_update_context_1): Use _Unwind_SetSignalFrame.
980         (uw_init_context_1): Initialize context->flags to
981         EXTENDED_CONTEXT_BIT.
982         * config/rs6000/linux-unwind.h (frob_update_context): Use
983         _Unwind_SetSignalFrame.
984
985 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
986
987         PR middle-end/30353
988         * gimplify.c (gimplify_modify_expr_complex_part): Move below
989         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
990         the value.
991
992 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
993
994         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
995         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
996         RET, AT_SP): Remove.
997         * config/i386/i386.md (*sse_prologue_save_insn): Use return
998         instead of RET.
999
1000         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1001         * cfgbuild.c (find_basic_blocks): Likewise.
1002         * cfgrtl.c (rtl_create_basic_block): Likewise.
1003         * function.c (temp_slots_at_level): Likewise.
1004         * reg-stack.c (stack_regs_mentioned): Likewise.
1005         * regclass.c (allocate_reg_info): Likewise.
1006         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1007         set_bb_for_stmt, move_block_to_fn): Likewise.
1008         * tree-complex.c (tree_lower_complex): Likewise.
1009         * vec.h (VEC_safe_grow_cleared): New.
1010
1011         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
1012
1013 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
1014
1015         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
1016         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
1017         to loop_version.
1018         * cfgloopmanip.c (scale_loop_frequencies): Export.
1019         (loopify): Scale the frequencies by prescribed coefficients.
1020         (set_zero_probability): New function.
1021         (duplicate_loop_to_header_edge): Improve updating of frequencies.
1022         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
1023         and frequencies according to arguments.
1024         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
1025         correctly.
1026         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
1027         * modulo-sched.c (sms_schedule): Set probabilities for entering
1028         versioned loop correctly.
1029         * tree-vect-transform.c (vect_transform_loop): Ditto.
1030         * cfgloop.h (loopify, loop_version): Declaration changed.
1031         (scale_loop_frequencies): Declared.
1032
1033 2007-01-02  Jan Hubicka  <jh@suse.cz>
1034
1035         * cgraph.c: Include tree-flow.h
1036         (cgraph_add_new-function): Handle IPA_SSA mode; execute
1037         early_local_passes.
1038         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
1039         * tree-pass.h (pass_all_early_optimizations): Declare.
1040         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
1041         early_local_passes.
1042         (cgraph_analyze_function): Do early_local_passes.
1043         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1044         Do not add referenced vars.
1045         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
1046         SSA form.
1047         (gate_all_early_local_passes): New gate.
1048         (pass_early_local_passes): Use new gate.
1049         (execute_early_local_optimizations): New functions.
1050         (gate_all_early_optimizations): New gate.
1051         (pass_all_early_optimizations): New pass.
1052         (execute_free_datastructures): Free SSA only when initialized.
1053         (gate_init_datastructures): Init only when optimizing.
1054         (tree_lowering_passes): Do early local passes when called late.
1055         * tree-profile.c (do_tree_profiling): Don't profile functions added
1056         late.
1057         (do_early_tree_profiling, pass_early_tree_profile): Kill.
1058         * tree-cfg.c (update_modified_stmts): Do not update when operands are
1059         not active.
1060         * passes.c (init_optimizations_passes): Reorder so we go into SSA
1061         during early_local_passes.
1062         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
1063
1064
1065 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1066
1067         * Makefile.in: Update copyright year.
1068
1069 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1070
1071         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
1072         in $(lang_checks) and check-consistency targets.
1073
1074 2007-01-02  Jan Hubicka  <jh@suse.cz>
1075
1076         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1077         Do not add referenced vars.
1078         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
1079         are not active.
1080         * passes.c (init_optimization_passes): Put mudflap_2 after
1081         free_datastructures.
1082
1083 2007-01-02  Jan Hubicka  <jh@suse.cz>
1084
1085         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
1086         Set NOTHROW flag on call statements proved to be nothrow.
1087         Update statement of local calls so new pure/const functions are
1088         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
1089         goto receivers.
1090         (tree_rest_of_compilation): Register hooks and initialize bitmap
1091         early. Do not set after_inlining flag.
1092
1093 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
1094
1095         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
1096         HOST_BITS_PER_LONGLONG
1097
1098 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1099
1100         PR c/19977
1101         * c-typeck.c (store_init_value): Don't emit pedantic overflow
1102         warning for non-static initializers.
1103
1104 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
1105
1106         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
1107         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
1108         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
1109         Always use set_unique_reg_note to add REG_EQUAL notes.
1110
1111 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1112
1113         Revert:
1114         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1115
1116         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1117         * cfgbuild.c (find_basic_blocks): Likewise.
1118         * cfgrtl.c (rtl_create_basic_block): Likewise.
1119         * function.c (temp_slots_at_level): Likewise.
1120         * reg-stack.c (stack_regs_mentioned): Likewise.
1121         * regclass.c (allocate_reg_info): Likewise.
1122         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1123         set_bb_for_stmt, move_block_to_fn): Likewise.
1124         * tree-complex.c (tree_lower_complex): Likewise.
1125         * vec.h (VEC_safe_grow_cleared): New.
1126
1127 2007-01-02  Ian Lance Taylor  <iant@google.com>
1128
1129         * c-common.c (c_common_truthvalue_conversion): When warning about
1130         using an assignment as a truth value, set TREE_NO_WARNING.
1131
1132 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1133
1134         PR middle-end/7651
1135         * c.opt (Wold-style-declaration): New.
1136         * doc/invoke.texi (C-only Warning Options): New.
1137         (Wold-style-declaration): Document it.
1138         (Wextra): Enabled by -Wextra.
1139         * c-opts.c (c_common_post_options): Enabled by -Wextra.
1140         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
1141         -Wold-style-declaration.
1142
1143 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1144
1145         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1146         * cfgbuild.c (find_basic_blocks): Likewise.
1147         * cfgrtl.c (rtl_create_basic_block): Likewise.
1148         * function.c (temp_slots_at_level): Likewise.
1149         * reg-stack.c (stack_regs_mentioned): Likewise.
1150         * regclass.c (allocate_reg_info): Likewise.
1151         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1152         set_bb_for_stmt, move_block_to_fn): Likewise.
1153         * tree-complex.c (tree_lower_complex): Likewise.
1154         * vec.h (VEC_safe_grow_cleared): New.
1155
1156 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
1157
1158         * c-common.c(c_common_nodes_and_builtins): Since variants of
1159         void_type_node get built before it is given a name, we need to
1160         give those variants the name, too.
1161         (complete_array_type): We need to work with the canonical main
1162         type of the array, from which we will build the qualified version.
1163         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
1164         * print-tree.c (print_node): Display canonical type information
1165         for each type.
1166         * stor-layout.c (layout_type): When we don't know the
1167         alignment of a type for which we're building an array, we end up
1168         guessing wrong, so make the type require structural equality.
1169         * tree.c (make_node_stat): When we build a new type, it is its
1170         own canonical type.
1171         (build_type_attribute_qual_variant): When building an attribute
1172         variant, its canonical type is the non-attribute variant. However,
1173         if the attributes are target-dependent and they differ, we need to
1174         use structural equality checks for this type.
1175         (build_qualified_type): A qualified type is not equivalent to its
1176         unqualified variant; set the canonical type appropriately.
1177         (build_distinct_type_copy): When building a distinct type from
1178         another type, the new type is its own canonical type.
1179         (build_variant_type_copy): When building a new type variant, we
1180         assume that it is equivalent to the original type.
1181         (build_pointer_type_for_mode): When building a pointer type, also
1182         build a canonical type pointer.
1183         (build_reference_type_for_mode): When building a reference type,
1184         also build a canonical type reference.
1185         (build_index_type): When we can't hash an index type (e.g.,
1186         because its maximum value is negative), the index type requires
1187         structural equality tests.
1188         (build_array_type): Build the canonical form of an array type.
1189         (build_function_type): Function types require structural equality,
1190         because they contain default arguments, attributes, etc.
1191         (build_method_type_directly): Ditto for method types.
1192         (build_offset_type): Build the canonical offset type.
1193         (build_complex_type): Build the canonical vector type.
1194         (make_vector_type): Build the canonical vector type.
1195         * tree.h (TYPE_CANONICAL): New.
1196         (TYPE_STRUCTURAL_EQUALITY_P): New.
1197         (SET_TYPE_STRUCTURAL_EQUALITY): New.
1198         (struct tree_type): Added "canonical" field.
1199         * params.h (VERIFY_CANONICAL_TYPES): New.
1200         * doc/c-tree.texi (TYPE_CANONICAL): Document.
1201         (TYPE_STRUCTURAL_EQUALITY_P): Document.
1202         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
1203         * doc/invoke.texi (verify-canonical-types): Document --param
1204         parameter for verifying canonical types.
1205
1206 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1207
1208         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
1209         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
1210         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
1211         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
1212         tm_file.
1213         * config/rs6000/e500.h: New.
1214         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
1215         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
1216         Remove.
1217         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
1218         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
1219         TARGET_E500_DOUBLE): Remove.
1220         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
1221         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
1222         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
1223         * config/rs6000/rs6000.c (rs6000_override_options): Use
1224         CHECK_E500_OPTIONS.
1225
1226 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1227
1228         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
1229         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
1230         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
1231         rs6000_emit_cmove): Don't check TARGET_E500.
1232         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
1233         sordered): Don't check TARGET_E500.
1234
1235 2007-01-01  Eric Christopher  <echristo@apple.com>
1236
1237         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
1238         HARD_REGISTER_NUM_P.
1239
1240 2007-01-01  Roger Sayle  <roger@eyesopen.com>
1241
1242         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
1243         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
1244         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
1245         eq/ne Y".
1246
1247 2007-01-01  Mike Stump  <mrs@apple.com>
1248
1249         * configure.ac: Remove support for building with Apple's gcc-3.1.
1250
1251 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1252
1253         PR middle-end/30311
1254         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
1255         REG is a hard register.  Do not modify REG before calling
1256         subreg_nregs.
1257         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
1258         multiple of the size of YMODE for certain lowpart cases.
1259
1260 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1261
1262         PR middle-end/30253
1263         * gimplify (voidify_wrapper_expr): Update for
1264         GIMPLE_MODIFY_STMT.
1265
1266 2007-01-01  Andreas Schwab  <schwab@suse.de>
1267
1268         PR target/29166
1269         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
1270         save of BR0 in extra_spill_size instead of spill_size.
1271         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
1272         area.
1273         (ia64_expand_epilogue): Restore BR0 from its new location.
1274
1275 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1276
1277         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
1278         Use a temporary variable if the left hand side is not a gimple
1279         register.
1280
1281 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1282
1283         * gimplify.c (gimplify_return_expr): Make the temporary variable
1284         for the return expression, a gimple register variable.
1285
1286 2007-01-01  Jan Hubicka  <jh@suse.cz>
1287
1288         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
1289         INSN_LIST.
1290
1291 2007-01-01  Mike Stump  <mrs@apple.com>
1292
1293         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
1294         .literal16.
1295         * config/darwin.c (machopic_select_rtx_section): Use
1296         HAVE_GAS_LITERAL16.
1297         (darwin_mergeable_constant_section): Likewise.
1298         * configure: Regenerate.
1299         * config.in: Regenerate.
1300
1301 2007-01-01  Jan Hubicka  <jh@suse.cz>
1302             Andrew Pinski  <pinskia@gmail.com>
1303
1304         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
1305         before starting IPA passes.