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* ifcvt.c (cond_move_convert_if_block): New function, code
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
2
3         * ifcvt.c (cond_move_convert_if_block): New function, code
4         factored out from...
5         (cond_move_process_if_block): ...here.  Call the new function
6         on the THEN and ELSE blocks.
7         (merge_if_block): Do not copy global_live_at_end, merge_blocks
8         already takes care of this.
9
10 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11
12         PR c/19978
13         * tree.h (TREE_OVERFLOW_P): New.
14         * c-typeck.c (parser_build_unary_op): Warn only if result
15         overflowed and operands did not.
16         (parser_build_binary_op): Likewise.
17         (convert_for_assignment): Remove redundant overflow_warning.
18         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
19
20 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21
22         * c-typeck.c (store_init_value): Split over two lines to follow
23         the GNU coding style.
24
25 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
26
27         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
28         __GXX_EXPERIMENTAL_CXX0X__.
29         * doc/cpp.texi: Same.
30
31 2007-01-05  Richard Guenther  <rguenther@suse.de>
32
33         PR middle-end/27826
34         * tree.c (get_narrower): Do not construct COMPONENT_REFs
35         with mismatched types.  Instead explicitly build a
36         conversion NOP_EXPR.
37
38 2007-01-05  Ian Lance Taylor  <iant@google.com>
39
40         * c-common.c (decl_with_nonnull_addr_p): New function.
41         (c_common_truthvalue_conversion): Call it.
42         * c-typeck.c (build_binary_op): Likewise.
43         * c-common.h (decl_with_nonnull_addr_p): Declare.
44
45 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
46
47         PR c/30360
48         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
49         denom against 0.0.
50
51 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
52
53         * doc/install.texi (Final install): Document the fact that
54         the GNAT runtime should not be stripped.
55
56 2007-01-04  Jan Hubicka  <jh@suse.cz>
57
58         * tree-inline.c (fold_marked_statements): Update operand caches
59         and EH after folding
60
61 2007-01-04  Ian Lance Taylor  <iant@google.com>
62
63         * c-common.c (check_function_nonnull): Whitespace fix.
64
65 2007-01-04  Jan Hubicka  <jh@suse.cz>
66
67         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
68         comitted older version of patch.
69         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
70         function, celanup cfg and collect garbage.
71
72 2007-01-04  Mike Stump  <mrs@apple.com>
73
74         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
75         (clean): Likewise.
76
77 2007-01-04  Eric Christopher  <echristo@apple.com>
78
79         * libgcc2.c (__bswapsi2): Use SItype.
80         (__bswapdi2): Use DItype.
81         * libgcc2.h: Update for above.
82
83 2007-01-04  Paul Brook  <paul@codesourcery.com>
84
85         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
86         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
87         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
88         umulsidi3, umulsidi3adddi, smulsi3_highpart,
89         umulsi3_highpart): Make conditional on !arm_arch6.
90         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
91         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
92         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
93         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
94         umulsi3_highpart_v6): New insns.
95
96 2007-01-04  Roger Sayle  <roger@eyesopen.com>
97
98         * fold-const.c (fold_convert): When casting an expression to void,
99         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
100         have a type.  Instead of attempting to build a NOP_EXPR, return
101         these "special" trees directly.
102
103 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
104
105         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
106         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
107         rs6000_cost->fp not 0 as adjustment for outer NEG.
108
109 2007-01-04  Jan Hubicka  <jh@suse.cz>
110
111         * cgraph.c (cgraph_release_function_body): New function.
112         (cgraph_remove_node): Use it.
113         * cgraph.h (cgraph_release_function_body): Declare.
114         * cgraphunit.c (cgraph_expand_function): Use it.
115         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
116         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
117         is initialized and while compilation of other function is running.
118         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
119         statement CFG annotations from here to ...
120         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
121
122 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
123
124         * cfgloop.h (enum li_flags): Make the constants powers of two.
125
126 2007-01-04  Jan Hubicka  <jh@suse.cz>
127
128         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
129         set.
130         (fold_marked_statements): New function.
131         (optimize_inline_calls, tree_function_versioning): Fold new statements.
132         * tree-inline.h (copy_body_data): Add statements_to_fold.
133
134 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
135
136         * config.gcc: Mention libgcc/config.host.
137         * Makefile.in: Update comments mentioning libgcc.
138         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
139         (all.cross, start.encap, rest.encap, rest.cross): Update
140         dependencies for libgcc move.
141         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
142         (clean-target, clean-target-libgcc): Delete.
143         (srcdirify, GCC_EXTRA_PARTS): New macros.
144         (libgcc-support, libgcc.mvars): New rules.
145         (distclean): Remove mention of mklibgcc.
146         (install): Don't reference INSTALL_LIBGCC.
147         (install-common): Don't reference EXTRA_PARTS.
148         (install-libgcc, install-multilib): Delete rules.
149         * mklibgcc.in: Delete file.
150         * doc/configfiles.texi: Don't mention mklibgcc.
151
152         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
153         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
154         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
155         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
156         (mklibgcc, ldblspecs): Likewise.
157
158         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
159         (posixpre.def): Use $(T).
160         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
161         (SHLIB_SRC, SHLIB_INSTALL): Delete.
162         (SHLIB_LINK): Make dummy.
163         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
164
165         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
166
167         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
168         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
169         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
170         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
171
172         * configure.ac (all_outputs): Remove mklibgcc.
173         * configure: Regenerated.
174
175 2007-01-03  Josh Conner  <jconner@apple.com>
176
177         PR middle-end/29683
178         * calls.c (compute_argument_addresses): Set stack and stack_slot
179         for partial args, too.
180         (store_one_arg): Use locate.size.constant for the size when
181         generating a save_area.
182
183 2007-01-03  Robert Kennedy <jimbob@google.com>
184
185         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
186         whose definitions are deleted due to basic block merging.
187
188 2007-01-03  Paul Brook  <paul@codesourcery.com>
189
190         PR target/16634
191         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
192         functions.
193         (use_return_insn): Return 0 for Thumb interrupt functions.
194         (print_multi_reg): Add rfe argument for IRQ returns.
195         (arm_output_epilogue): Pop interrupt return address directly into PC.
196         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
197
198 2007-01-03  Paul Brook  <paul@codesourcery.com>
199
200         Merge from sourcerygxx-4_1.
201         * config/arm/thumb2.md: New file.
202         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
203         Thumb-2.
204         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
205         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
206         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
207         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
208         tables.
209         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
210         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
211         comptibility.
212         * config/arm/ieee754-sf.S: Ditto.
213         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
214         (thumb1_base_register_rtx_p): ... to this.
215         (thumb_index_register_rtx_p): Rename...
216         (thumb1_index_register_rtx_p): ... to this.
217         (thumb_output_function_prologue): Rename...
218         (thumb1_output_function_prologue): ... to this.
219         (thumb_legitimate_address_p): Rename...
220         (thumb1_legitimate_address_p): ... to this.
221         (thumb_rtx_costs): Rename...
222         (thumb1_rtx_costs): ... to this.
223         (thumb_compute_save_reg_mask): Rename...
224         (thumb1_compute_save_reg_mask): ... to this.
225         (thumb_final_prescan_insn): Rename...
226         (thumb1_final_prescan_insn): ... to this.
227         (thumb_expand_epilogue): Rename...
228         (thumb1_expand_epilogue): ... to this.
229         (arm_unwind_emit_stm): Rename...
230         (arm_unwind_emit_sequence): ... to this.
231         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
232         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
233         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
234         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
235         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
236         thumb2_output_casesi): New functions.
237         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
238         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
239         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
240         THUMB2_WORK_REGS): Define.
241         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
242         arm_condexec_mask, arm_condexec_masklen)): New variables.
243         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
244         (arm_override_options): Check new CPU capabilities.
245         Set new architecture flag variables.
246         (arm_isr_value): Handle v7m interrupt functions.
247         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
248         Thumb-2.
249         (const_ok_for_arm): Handle Thumb-2 constants.
250         (arm_gen_constant): Ditto.  Use movw when available.
251         (arm_function_ok_for_sibcall): Return false for v7m interrupt
252         functions.
253         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
254         (thumb_find_work_register, arm_load_pic_register,
255         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
256         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
257         print_multi_reg, output_mov_long_double_fpa_from_arm,
258         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
259         output_mov_double_fpa_from_arm, output_move_double,
260         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
261         output_return_instruction, arm_output_function_prologue,
262         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
263         arm_output_mi_thunk, thumb_set_return_address): Ditto.
264         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
265         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
266         (arithmetic_instr, shift_op): Use arm_shift_nmem.
267         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
268         '!' and 'L'.
269         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
270         (thumb_expand_prologue): Use thumb_set_frame_pointer.
271         (arm_file_start): Output directive for unified syntax.
272         (arm_unwind_emit_set): Handle stack alignment instruction.
273         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
274         Add v6t2, v7, v7a, v7r and v7m.
275         (RETLDM): Add Thumb-2 code.
276         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
277         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
278         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
279         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
280         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
281         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
282         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
283         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
284         ADJUST_INSN_LENGTH): Define.
285         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
286         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
287         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
288         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
289         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
290         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
291         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
292         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
293         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
294         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
295         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
296         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
297         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
298         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
299         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
300         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
301         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
302         cortex-m3.
303         * config/arm/arm-tune.md: Regenerate.
304         * config/arm/arm-protos.h: Update prototypes.
305         * config/arm/vfp.md: Enable patterns for Thumb-2.
306         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
307         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
308         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
309         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
310         * config/arm/libunwind.S: Add Thumb-2 code.
311         * config/arm/constraints.md: Update include Thumb-2.
312         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
313         * config/arm/ieee754-df.S: Ditto.
314         * config/arm/bpabi.S: Ditto.
315         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
316         * config/arm/predicates.md (low_register_operand,
317         low_reg_or_int_operand, thumb_16bit_operator): New.
318         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
319         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
320         * config/arm/t-arm-elf: Add armv7 multilib.
321         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
322         Include thumb2.md.
323         (UNSPEC_STACK_ALIGN, ce_count): New.
324         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
325         arm_zero_extendsidi2, arm_zero_extendqidi2): New
326         insns/expanders.
327         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
328         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
329         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
330         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
331         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
332         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
333         insns.
334         * doc/extend.texi: Document ARMv7-M interrupt functions.
335         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
336
337 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
338
339         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
340         (struct _Unwind_Context): Rename args_size to flags, remove
341         signal_frame field, add a new args_size field and version field.
342         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
343         _Unwind_IsExtendedContext): New inline functions.
344         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
345         Assume by_value array is only present if _Unwind_IsExtendedContext.
346         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
347         _Unwind_IsSignalFrame.
348         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
349         (uw_update_context_1): Use _Unwind_SetSignalFrame.
350         (uw_init_context_1): Initialize context->flags to
351         EXTENDED_CONTEXT_BIT.
352         * config/rs6000/linux-unwind.h (frob_update_context): Use
353         _Unwind_SetSignalFrame.
354
355 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
356
357         PR middle-end/30353
358         * gimplify.c (gimplify_modify_expr_complex_part): Move below
359         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
360         the value.
361
362 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
363
364         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
365         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
366         RET, AT_SP): Remove.
367         * config/i386/i386.md (*sse_prologue_save_insn): Use return
368         instead of RET.
369
370         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
371         * cfgbuild.c (find_basic_blocks): Likewise.
372         * cfgrtl.c (rtl_create_basic_block): Likewise.
373         * function.c (temp_slots_at_level): Likewise.
374         * reg-stack.c (stack_regs_mentioned): Likewise.
375         * regclass.c (allocate_reg_info): Likewise.
376         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
377         set_bb_for_stmt, move_block_to_fn): Likewise.
378         * tree-complex.c (tree_lower_complex): Likewise.
379         * vec.h (VEC_safe_grow_cleared): New.
380
381         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
382
383 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
384
385         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
386         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
387         to loop_version.
388         * cfgloopmanip.c (scale_loop_frequencies): Export.
389         (loopify): Scale the frequencies by prescribed coefficients.
390         (set_zero_probability): New function.
391         (duplicate_loop_to_header_edge): Improve updating of frequencies.
392         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
393         and frequencies according to arguments.
394         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
395         correctly.
396         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
397         * modulo-sched.c (sms_schedule): Set probabilities for entering
398         versioned loop correctly.
399         * tree-vect-transform.c (vect_transform_loop): Ditto.
400         * cfgloop.h (loopify, loop_version): Declaration changed.
401         (scale_loop_frequencies): Declared.
402
403 2007-01-02  Jan Hubicka  <jh@suse.cz>
404
405         * cgraph.c: Include tree-flow.h
406         (cgraph_add_new-function): Handle IPA_SSA mode; execute
407         early_local_passes.
408         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
409         * tree-pass.h (pass_all_early_optimizations): Declare.
410         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
411         early_local_passes.
412         (cgraph_analyze_function): Do early_local_passes.
413         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
414         Do not add referenced vars.
415         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
416         SSA form.
417         (gate_all_early_local_passes): New gate.
418         (pass_early_local_passes): Use new gate.
419         (execute_early_local_optimizations): New functions.
420         (gate_all_early_optimizations): New gate.
421         (pass_all_early_optimizations): New pass.
422         (execute_free_datastructures): Free SSA only when initialized.
423         (gate_init_datastructures): Init only when optimizing.
424         (tree_lowering_passes): Do early local passes when called late.
425         * tree-profile.c (do_tree_profiling): Don't profile functions added
426         late.
427         (do_early_tree_profiling, pass_early_tree_profile): Kill.
428         * tree-cfg.c (update_modified_stmts): Do not update when operands are
429         not active.
430         * passes.c (init_optimizations_passes): Reorder so we go into SSA
431         during early_local_passes.
432         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
433
434
435 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
436
437         * Makefile.in: Update copyright year.
438
439 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
440
441         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
442         in $(lang_checks) and check-consistency targets.
443
444 2007-01-02  Jan Hubicka  <jh@suse.cz>
445
446         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
447         Do not add referenced vars.
448         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
449         are not active.
450         * passes.c (init_optimization_passes): Put mudflap_2 after
451         free_datastructures.
452
453 2007-01-02  Jan Hubicka  <jh@suse.cz>
454
455         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
456         Set NOTHROW flag on call statements proved to be nothrow.
457         Update statement of local calls so new pure/const functions are
458         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
459         goto receivers.
460         (tree_rest_of_compilation): Register hooks and initialize bitmap
461         early. Do not set after_inlining flag.
462
463 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
464
465         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
466         HOST_BITS_PER_LONGLONG
467
468 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
469
470         PR c/19977
471         * c-typeck.c (store_init_value): Don't emit pedantic overflow
472         warning for non-static initializers.
473
474 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
475
476         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
477         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
478         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
479         Always use set_unique_reg_note to add REG_EQUAL notes.
480
481 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
482
483         Revert:
484         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
485
486         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
487         * cfgbuild.c (find_basic_blocks): Likewise.
488         * cfgrtl.c (rtl_create_basic_block): Likewise.
489         * function.c (temp_slots_at_level): Likewise.
490         * reg-stack.c (stack_regs_mentioned): Likewise.
491         * regclass.c (allocate_reg_info): Likewise.
492         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
493         set_bb_for_stmt, move_block_to_fn): Likewise.
494         * tree-complex.c (tree_lower_complex): Likewise.
495         * vec.h (VEC_safe_grow_cleared): New.
496
497 2007-01-02  Ian Lance Taylor  <iant@google.com>
498
499         * c-common.c (c_common_truthvalue_conversion): When warning about
500         using an assignment as a truth value, set TREE_NO_WARNING.
501
502 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
503
504         PR middle-end/7651
505         * c.opt (Wold-style-declaration): New.
506         * doc/invoke.texi (C-only Warning Options): New.
507         (Wold-style-declaration): Document it.
508         (Wextra): Enabled by -Wextra.
509         * c-opts.c (c_common_post_options): Enabled by -Wextra.
510         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
511         -Wold-style-declaration.
512
513 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
514
515         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
516         * cfgbuild.c (find_basic_blocks): Likewise.
517         * cfgrtl.c (rtl_create_basic_block): Likewise.
518         * function.c (temp_slots_at_level): Likewise.
519         * reg-stack.c (stack_regs_mentioned): Likewise.
520         * regclass.c (allocate_reg_info): Likewise.
521         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
522         set_bb_for_stmt, move_block_to_fn): Likewise.
523         * tree-complex.c (tree_lower_complex): Likewise.
524         * vec.h (VEC_safe_grow_cleared): New.
525
526 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
527
528         * c-common.c(c_common_nodes_and_builtins): Since variants of
529         void_type_node get built before it is given a name, we need to
530         give those variants the name, too.
531         (complete_array_type): We need to work with the canonical main
532         type of the array, from which we will build the qualified version.
533         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
534         * print-tree.c (print_node): Display canonical type information
535         for each type.
536         * stor-layout.c (layout_type): When we don't know the
537         alignment of a type for which we're building an array, we end up
538         guessing wrong, so make the type require structural equality.
539         * tree.c (make_node_stat): When we build a new type, it is its
540         own canonical type.
541         (build_type_attribute_qual_variant): When building an attribute
542         variant, its canonical type is the non-attribute variant. However,
543         if the attributes are target-dependent and they differ, we need to
544         use structural equality checks for this type.
545         (build_qualified_type): A qualified type is not equivalent to its
546         unqualified variant; set the canonical type appropriately.
547         (build_distinct_type_copy): When building a distinct type from
548         another type, the new type is its own canonical type.
549         (build_variant_type_copy): When building a new type variant, we
550         assume that it is equivalent to the original type.
551         (build_pointer_type_for_mode): When building a pointer type, also
552         build a canonical type pointer.
553         (build_reference_type_for_mode): When building a reference type,
554         also build a canonical type reference.
555         (build_index_type): When we can't hash an index type (e.g.,
556         because its maximum value is negative), the index type requires
557         structural equality tests.
558         (build_array_type): Build the canonical form of an array type.
559         (build_function_type): Function types require structural equality,
560         because they contain default arguments, attributes, etc.
561         (build_method_type_directly): Ditto for method types.
562         (build_offset_type): Build the canonical offset type.
563         (build_complex_type): Build the canonical vector type.
564         (make_vector_type): Build the canonical vector type.
565         * tree.h (TYPE_CANONICAL): New.
566         (TYPE_STRUCTURAL_EQUALITY_P): New.
567         (SET_TYPE_STRUCTURAL_EQUALITY): New.
568         (struct tree_type): Added "canonical" field.
569         * params.h (VERIFY_CANONICAL_TYPES): New.
570         * doc/c-tree.texi (TYPE_CANONICAL): Document.
571         (TYPE_STRUCTURAL_EQUALITY_P): Document.
572         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
573         * doc/invoke.texi (verify-canonical-types): Document --param
574         parameter for verifying canonical types.
575
576 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
577
578         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
579         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
580         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
581         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
582         tm_file.
583         * config/rs6000/e500.h: New.
584         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
585         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
586         Remove.
587         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
588         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
589         TARGET_E500_DOUBLE): Remove.
590         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
591         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
592         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
593         * config/rs6000/rs6000.c (rs6000_override_options): Use
594         CHECK_E500_OPTIONS.
595
596 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
597
598         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
599         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
600         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
601         rs6000_emit_cmove): Don't check TARGET_E500.
602         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
603         sordered): Don't check TARGET_E500.
604
605 2007-01-01  Eric Christopher  <echristo@apple.com>
606
607         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
608         HARD_REGISTER_NUM_P.
609
610 2007-01-01  Roger Sayle  <roger@eyesopen.com>
611
612         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
613         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
614         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
615         eq/ne Y".
616
617 2007-01-01  Mike Stump  <mrs@apple.com>
618
619         * configure.ac: Remove support for building with Apple's gcc-3.1.
620
621 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
622
623         PR middle-end/30311
624         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
625         REG is a hard register.  Do not modify REG before calling
626         subreg_nregs.
627         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
628         multiple of the size of YMODE for certain lowpart cases.
629
630 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
631
632         PR middle-end/30253
633         * gimplify (voidify_wrapper_expr): Update for
634         GIMPLE_MODIFY_STMT.
635
636 2007-01-01  Andreas Schwab  <schwab@suse.de>
637
638         PR target/29166
639         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
640         save of BR0 in extra_spill_size instead of spill_size.
641         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
642         area.
643         (ia64_expand_epilogue): Restore BR0 from its new location.
644
645 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
646
647         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
648         Use a temporary variable if the left hand side is not a gimple
649         register.
650
651 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
652
653         * gimplify.c (gimplify_return_expr): Make the temporary variable
654         for the return expression, a gimple register variable.
655
656 2007-01-01  Jan Hubicka  <jh@suse.cz>
657
658         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
659         INSN_LIST.
660
661 2007-01-01  Mike Stump  <mrs@apple.com>
662
663         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
664         .literal16.
665         * config/darwin.c (machopic_select_rtx_section): Use
666         HAVE_GAS_LITERAL16.
667         (darwin_mergeable_constant_section): Likewise.
668         * configure: Regenerate.
669         * config.in: Regenerate.
670
671 2007-01-01  Jan Hubicka  <jh@suse.cz>
672             Andrew Pinski  <pinskia@gmail.com>
673
674         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
675         before starting IPA passes.