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