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2008-06-04 Junjie Gu <jgu@tensilica.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-06-04  Junjie Gu <jgu@tensilica.com>
2
3         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
4         comparison for frame pointers.
5
6 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
7
8         PR target/27386
9         * config/avr/avr.h: (PUSH_ROUNDING): Remove.
10
11 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
12
13         PR target/30243
14         * builtins.c (expand_builtin_signbit): Don't take lowpart when
15         register is already smaller or equal to required mode. 
16
17 2008-06-04  Xinliang David Li  <davidxl@google.com>
18
19         * tree-call-cdce.c: New file. 
20         (cond_dead_built_in_calls): New static variable.
21         (input_domain): New struct.
22         (check_pow): New function.
23         (check_builtin_call): Ditto.
24         (check_target_format): Ditto.
25         (is_call_dce_candidate): Ditto.
26         (gen_one_condition): Ditto.
27         (gen_conditions_for_domain): Ditto.
28         (get_domain): Ditto.
29         (gen_conditions_for_pow_cst_base): Ditto.
30         (gen_conditions_for_pow_int_base): Ditto.
31         (gen_conditions_for_pow): Ditto.
32         (get_no_error_domain): Ditto.
33         (gen_shrink_wrap_conditions): Ditto.
34         (shrink_wrap_one_built_in_call): Ditto.
35         (shink_wrap_conditional_dead_built_in_calls): Ditto.
36         (tree_call_cdce): Ditto.
37         (gate_call_cdce): Ditto.
38         (pass_call_cdce): New gimple pass.
39         * passes.c: (init_optimization_passes): New pass.
40         * tree-pass.h: New pass declaration.
41         * opts.c (decode_options): New flag setting.
42         * common.opt: Add -ftree-builtin-call-dce flag.
43         * Makefile.in: Add new source file.
44         * tempvar.def: New tv_id.
45         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
46
47 2008-06-04  Richard Guenther  <rguenther@suse.de>
48
49         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC
50         on MTAGs.
51         (is_call_clobbered): Always check var_ann->call_clobbered.
52         (mark_call_clobbered): Always set var_ann->call_clobbered.
53         (clear_call_clobbered): Always clear var_ann->call_clobbered.
54         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
55         (reset_alias_info): Clear call clobbering info on MTAGs and
56         globals as well.
57         (set_pt_anything): Set pt_global_mem.
58         (create_tag_raw): Adjust comment.
59         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
60
61 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
62             Maxim Kuvyrkov  <maxim@codesourcery.com>
63
64         * config/m68k/m68k.opt (mxgot): New option.
65         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
66         (m68k_output_addr_const_extra): New.
67         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
68         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
69         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
70         * doc/invoke.texi (M680x0 Options): Document -mxgot.
71
72 2008-06-04  Richard Guenther  <rguenther@suse.de>
73
74         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
75         negative or non-representable offsets.
76
77 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
78
79         *  config/i386/i386.c (ix86_gen_leave): New.
80         (ix86_gen_pop1): Likewise.
81         (ix86_gen_add3): Likewise.
82         (ix86_gen_sub3): Likewise.
83         (ix86_gen_sub3_carry): Likewise.
84         (ix86_gen_one_cmpl2): Likewise.
85         (ix86_gen_monitor): Likewise.
86         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
87         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
88         ix86_gen_one_cmpl2 and ix86_gen_monitor.
89         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
90         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
91         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
92         (ix86_expand_epilogue): Updated.
93         (print_operand): Handle integer register operand for 'z'.
94         (ix86_expand_strlensi_unroll_1): Likewise.
95         (ix86_expand_strlen): Likewise.
96         (ix86_expand_builtin): Likewise.
97         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
98         mov{q}/mov{l} and add{q}/add{l}.
99
100 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
101
102         * config/i386/i386.md (P): New mode iterator.
103         (SFmode push_operand splitter): Macroize DImode and SImode pushes
104         using P mode iterator.
105         (DFmode push_operand splitter): Ditto.
106         (XFmode push_operand splitter): Ditto.
107         (DFmode float_extend SFmode push_operand splitter): Ditto.
108         (XFmode float_extend SFmode push_operand splitter): Do not generate
109         SImode pushes for 64bit target.  Macroize Dimode and SImode
110         pushes using P mode iterator.
111         (XFmode float_extend DFmode push_operand splitter): Ditto.
112
113 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
114
115         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
116         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed
117         prototype.
118         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
119         return type to int.
120         (ix86_call_abi_override): Remove check for call_used_regs.
121
122 2008-06-03  Richard Guenther  <rguenther@suse.de>
123
124         * tree-ssa-structalias.c (find_func_aliases): Add constraints
125         for the lhs of calls if the return type contains pointers.
126
127 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
128
129         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
130         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
131         * function.c (allocate_struct_function): Use of
132         OVERRIDE_ABI_FORMAT.
133         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
134         of cfun and DEFAULT_ABI to deceide abi mode.
135         (DEFAULT_ABI): New.
136         (REG_PARM_STACK_SPACE): Removed.
137         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
138         (STACK_BOUNDARY): Use default target to deceide stack boundary.
139         * config/i386/i386-protos.h (ix86_cfun_abi): New.
140         (ix86_function_abi): Likewise.
141         (ix86_function_type_abi): Likewise.
142         (ix86_call_abi_override): Likewise.
143         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
144         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
145         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
146         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
147         specific defines.
148         (X86_64_REGPARM_MAX): New.
149         (X86_64_SSE_REGPARM_MAX): New.
150         (X64_REGPARM_MAX): New.
151         (X64_SSE_REGPARM_MAX): New.
152         (X86_32_REGPARM_MAX): New.
153         (X86_32_SSE_REGPARM_MAX): New.
154         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
155         (ix86_function_regparm): Handle user calling abi.
156         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
157         by DEFAULT_ABI versus SYSV_ABI check.
158         (ix86_reg_parm_stack_space): New.
159         (ix86_function_type_abi): New.
160         (ix86_call_abi_override): New.
161         (ix86_function_abi): New.
162         (ix86_cfun_abi): New.
163         (init_cumulative_args): Call abi specific initialization.
164         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
165         (function_arg_64): Extend SSE_REGPARM_MAX check.
166         (function_arg (): Remove TARGET_64BIT_MS_ABI.
167         (ix86_pass_by_reference): Likewise.
168         (ix86_function_value_regno_p): Likewise.
169         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
170         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
171         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
172         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
173         (setup_incoming_varargs_64): Adjust regparm for call abi.
174         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
175         (ix86_va_start): Likewise.
176         (ix86_gimplify_va_arg): Likewise.
177         (ix86_expand_prologue): Likewise.
178         (output_pic_addr_const): Likewise.
179         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
180         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
181         (x86_output_mi_thunk): Likewise.
182         (x86_function_profiler): Likewise.
183         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
184         (SYSV_ABI, MS_ABI): New constants.
185         (DEFAULT_ABI): New.
186         (init_regs): Add prototype of function in regclass.c file.
187         (OVERRIDE_ABI_FORMAT): New.
188         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
189         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
190         (OUTGOING_REG_PARM_STACK_SPACE): New.
191         (ix86_reg_parm_stack_space): New prototype.
192         (CUMULATIVE_ARGS): Add call_abi member.
193         (machine_function): Add call_abi member.
194         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace TARGET_64BIT_MS_ABI
195         by DEFAULT_ABI compare to MS_ABI.
196
197 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 
198
199         PR target/34879
200         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
201         (avr_builtin_setjmp_frame_value): New function.
202         * config/avr/avr.md (nonlocal_goto_receiver): Define.
203         (nonlocal_goto): Define.
204
205 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
206
207         * config/mips/mips.c (mips_emit_loadgp): Return early if
208         there is nothing do to, otherwise emit a blockage if
209         !TARGET_EXPLICIT_RELOCS || crtl->profile.
210         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
211
212 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
213
214         * configure.ac: Drop unneeded backslash ending up in config.in.
215         * acinclude.m4: Likewise.
216         * config.in: Regenerate.
217
218 2008-05-26  Jan Hubicka  <jh@suse.cz>
219
220         * predict.c (maybe_hot_frequency_p): Break out of...
221         (maybe_hot_bb_p): ... here.
222         (maybe_hot_edge_p): New.
223         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
224         * basic-block.h (maybe_hot_edge_p): Declare.
225
226 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
227
228         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
229         (*cmpfp_<mode>_cc): Ditto.
230         (*fp_jcc_8<mode>_387): Ditto.
231         (*fop_<MODEF:mode>_2_i387): Ditto.
232         (*fop_<MODEF:mode>_3_i387): Ditto.
233         (*fop_xf_2_i387): Ditto.
234         (*fop_xf_3_i387): Ditto.
235
236 2008-06-02  Tomas Bily  <tbily@suse.cz>
237
238         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
239
240 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
241
242         * config/mips/mips.c (mips_valid_offset_p): New function.
243         (mips_valid_lo_sum_p): Likewise.
244         (mips_classify_address): Use them.
245         (mips_force_address): New function.
246         (mips_legitimize_address): Use it.
247         * config/mips/mips.md (MOVE128): New mode iterator.
248         (movtf): Require TARGET_64BIT.  Remove empty strings.
249         (*movtf_internal): Rename to...
250         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
251         of "R" and use {,fp}{load,store} attributes instead of "multi".
252         Use a separate define_split.
253         (*movtf_mips16): New pattern.
254
255 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
256
257         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
258         * config/mips/mips.c (mips_expand_before_return): New function.
259         (mips_expand_epilogue): Call it.
260         * config/mips/mips.md (return): Turn into a define_expand.
261         (*return): New insn.
262
263 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
264
265         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
266         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
267         functions.  Do not emit uses and clobbers of CONCATs; individually
268         use and clobber their operands.
269         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
270         gen_clobber, emit_use and gen_use.
271         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
272         (expand_builtin_return): Likewise.
273         * cfgbuild.c (count_basic_blocks): Likewise.
274         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
275         * explow.c (emit_stack_restore): Likewise.
276         * expmed.c (extract_bit_field_1): Likewise.
277         * expr.c (convert_move, emit_move_complex_parts): Likewise.
278         (emit_move_multi_word, store_constructor): Likewise.
279         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
280         (thread_prologue_and_epilogue_insns): Likewise.
281         * lower-subreg.c (resolve_simple_move): Likewise.
282         * optabs.c (widen_operand, expand_binop): Likewise.
283         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
284         * reload.c (find_reloads): Likewise.
285         * reload1.c (eliminate_regs_in_insn): Likewise.
286         * stmt.c (expand_nl_goto_receiver): Likewise.
287         * config/alpha/alpha.md (builtin_longjmp): Likewise.
288         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
289         * config/arm/arm.c (arm_load_pic_register): Likewise.
290         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
291         * config/arm/arm.md (untyped_return): Likewise.
292         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
293         * config/avr/avr.c (expand_prologue): Likewise.
294         * config/bfin/bfin.c (do_unlink): Likewise.
295         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
296         * config/cris/cris.c (cris_expand_prologue): Likewise.
297         * config/darwin.c (machopic_indirect_data_reference): Likewise.
298         (machopic_legitimize_pic_address): Likewise.
299         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
300         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
301         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
302         (ix86_expand_convert_uns_didf_sse): Likewise.
303         (ix86_expand_vector_init_general): Likewise.
304         * config/ia64/ia64.md (eh_epilogue): Likewise.
305         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
306         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
307         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
308         (config/iq2000/iq2000.c): Likewise.
309         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
310         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
311         (builtin_longjmp): Likewise.
312         * config/mn10300/mn10300.md (call, call_value): Likewise.
313         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
314         * config/pdp11/pdp11.md (abshi2): Likewise.
315         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
316         * config/s390/s390.c (s390_emit_prologue): Likewise.
317         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
318         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
319         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
320         * config/sh/sh.c (prepare_move_operands): Likewise.
321         (output_stack_adjust, sh_expand_epilogue): Likewise.
322         (sh_set_return_address, sh_expand_t_scc): Likewise.
323         * config/sparc/sparc.c (load_pic_register): Likewise.
324         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
325         * config/spu/spu.c (spu_expand_epilogue): Likewise.
326         * config/v850/v850.c (expand_epilogue): Likewise.
327
328 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
329
330         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
331         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
332         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
333         * config/avr/avr.c (expand_prologue, expand_epilogue): Use 
334         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
335         stack pointer register.
336         (output_movhi): Remove code for interrupt specific writing to the 
337         stack pointer register.
338
339 2008-05-31  Richard Guenther  <rguenther@suse.de>
340
341         PR tree-optimization/34244
342         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
343         (tree_expr_nonzero_warnv_p): Likewise.
344         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
345         ssa_name_nonnegative_p.
346         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
347         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
348         not tree_expr_nonzero_warnv_p.
349
350         PR tree-optimization/36262
351         Revert
352         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
353
354         PR tree-optimization/34244
355         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
356         (record_numbers_of_iterations): New function.
357         (execute_vrp): Cache the numbers of iterations of loops.
358         * tree-scalar-evolution.c (scev_reset_except_niters):
359         New function.
360         (scev_reset): Use scev_reset_except_niters.
361         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
362
363 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
364
365         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
366         __WORKAROUND_RETS when appropriate.
367
368 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
369
370         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
371         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
372         mode iterator.
373         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
374         *fop_df_comm_sse insn patterns using MODEF mode iterator.
375         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
376         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
377         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
378         *fop_df_1_mixed insn patterns using MODEF mode iterator.
379         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
380         *fop_df_1_sse insn patterns using MODEF mode iterator.
381         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
382         *fop_df_1_i387 insn patterns using MODEF mode iterator.
383         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
384         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
385         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
386         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
387         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
388         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
389         (*fop_xf_4_i387): Use <MODE> for mode attribute.
390         (*fop_xf_5_i387): Ditto.
391         (*fop_xf_6_i387): Ditto.
392
393 2008-05-30  Richard Guenther  <rguenther@suse.de>
394
395         * builtins.c (build_string_literal): Avoid generating
396         a non-gimple_val result.
397
398 2008-05-30  DJ Delorie  <dj@redhat.com>
399
400         * exec-tool.in: Use an environment variable (private) instead of a
401         file (shared) as a semaphore, so as to not break parallel builds.
402
403 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
404
405         * optabs.c (maybe_encapsulate_block): Remove.
406         (emit_libcall_block): Adjust accordingly.
407         * optabs.h (maybe_encapsulate_block): Remove prototype.
408
409         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
410         Don't use maybe_encapsulate_block.
411
412 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
413
414         * config/rs6000/rs6000.c (rs6000_legitimize_address,
415         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
416         rtx is a SYMBOL_REF before calling get_pool_constant.
417
418 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
419
420         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
421
422 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
423
424         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
425         rather than OS names to choose INO_T_EQ definition.
426         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
427         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
428
429 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
430
431         PR target/36348
432         * config/darwin-f.c: New.
433         * config/t-darwin: Added rule to build darwin-f.o.
434         * config.gcc: Defined new variable, fortran_target_objs.
435         (*-*-darwin*): Set fortran_target_objs.
436         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
437         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
438         * configure: Regenerated.
439
440 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
441
442         PR target/35771
443         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
444         canonical type if needed.
445
446 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
447
448         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
449
450 2008-05-29  Richard Guenther  <rguenther@suse.de>
451
452         PR tree-optimization/36343
453         PR tree-optimization/36346
454         PR tree-optimization/36347
455         * tree-flow.h (clobber_what_p_points_to): Declare.
456         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
457         pointed-to variable is dereferenced is irrelevant to whether
458         the pointer can access the pointed-to variable.
459         (clobber_what_p_points_to): New function.
460         * tree-ssa-alias.c (set_initial_properties): Use it.
461         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
462         call clobber check for NMTs.
463
464 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
465         
466         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
467         for printing gcov_type.
468
469 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
470
471         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
472         and the eh region information.
473         * value-prof.c (gimple_move_stmt_histograms): New function.
474         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
475
476 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
477
478         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
479
480 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
481
482         * value-prof.c (tree_ic_transform): Print counts.
483         * tree-profile.c (tree_gen_ic_func_profiler):
484         Clear __gcov_indreict_call_callee variable to avoid misattribution
485         of the profile.
486
487 2008-05-28  Rafael Espindola  <espindola@google.com>
488
489         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
490         invalid sharing.
491
492 2008-05-28  Richard Guenther  <rguenther@suse.de>
493
494         PR tree-optimization/36339
495         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
496         and clobbering code out of the loop.
497
498 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
499
500         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
501         letters defined.
502
503         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
504         s390_contiguous_bitmask_p, s390_symref_operand_p,
505         s390_check_symref_alignment, s390_reload_larl_operand,
506         s390_reload_symref_address): New functions.
507         (s390_branch_condition_mnemonic): Support compare and branch
508         instructions.
509         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
510         and 'W' constraints.
511         (s390_secondary_reload): Add secondary reloads for unaligned
512         symbol refs or symbol refs to floating point or QI/TI mode
513         integer values.
514         (legitimate_address_p): Accept symbol references as addresses.
515         (s390_expand_insv): Use rotate and insert selected bits
516         instruction for insv when building for z10.
517         (print_operand_address): Handle symbol ref addresses.
518         (print_operand): Output modifier 'c' added for signed byte values.
519         (s390_encode_section_info): Mark symbol refs with
520         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
521
522         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
523         (length attribute): RRF, RRR have 4 byte length.
524         (FPALL, INTALL): New mode iterators added.
525         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
526         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
527         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
528         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
529         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
530         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
531         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
532         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
533         instructions.
534         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
535         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
536         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
537         reload<INTALL:mode><P:mode>_toreg_z10,
538         reload<FPALL:mode><P:mode>_tomem_z10,
539         reload<FPALL:mode><P:mode>_toreg_z10,
540         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
541         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
542         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
543         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
544         definition.
545         (movmem, clrmem, cmpmem): New splitters added.
546
547         * config/s390/predicates.md (larl_operand): Use
548         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
549         SYMBOL_REF_ALIGN1_P.
550         (s390_signed_integer_comparison,
551         s390_unsigned_integer_comparison): New predicates.
552
553         * config/s390/s390-protos.h (s390_check_symref_alignment,
554         s390_contiguous_bitmask_p, s390_reload_larl_operand,
555         s390_reload_symref_address,
556         s390_compare_and_branch_condition_mask): Prototypes added.
557
558         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
559         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
560         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
561
562 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
563
564         * config/s390/s390.c (z10_cost): New cost function for z10.
565         (s390_handle_arch_option, override_options): Support -march=z10 switch.
566         (s390_issue_rate): Adjust issue rate for z10.
567         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
568         (processor_flags): Add PF_Z10.
569         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
570         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
571         * gcc/config.gcc: Add z10.
572
573 2008-05-28  Richard Guenther  <rguenther@suse.de>
574
575         PR tree-optimization/36291
576         * tree-flow. h (struct gimple_df): Remove var_anns member.
577         * tree-flow-inline.h (gimple_var_anns): Remove.
578         (var_ann): Simplify.
579         * tree-dfa.c (create_var_ann): Simplify.
580         (remove_referenced_var): Clear alias info from var_anns of globals.
581         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
582         (delete_tree_ssa): Clear alias info from var_anns of globals.
583         Do not free var_anns.
584         (var_ann_eq): Remove.
585         (var_ann_hash): Likewise.
586
587 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
588
589         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
590         and loongson2f entries.
591         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
592         * config/mips/mips.h (processor_type): Add Loongson-2E
593         and Loongson-2F entries.
594         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
595         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
596         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
597         * doc/invoke.texi (MIPS Options): Document loongson2e
598         and loongson2f processor names.
599
600 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
601
602         PR target/35767
603         PR target/35771
604         * config/i386/i386.c (ix86_function_arg_boundary): Use
605         alignment of canonical type.
606         (ix86_expand_vector_move): Check unaligned memory access for
607         all SSE modes.
608
609 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
610
611         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
612         Moved to the front of file.
613
614 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
615             H.J. Lu  <hongjiu.lu@intel.com>
616
617         * dwarf2out.c (current_fde): New.
618         (add_cfi): Use it.
619         (lookup_cfa:): Likewise.
620         (dwarf2out_end_epilogue): Likewise.
621         (dwarf2out_note_section_used): Likewise.
622
623 2008-05-27  Michael Matz  <matz@suse.de>
624
625         PR c++/27975
626         * c.opt (Wenum-compare): New warning option.
627         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
628
629 2008-05-27  Michael Matz  <matz@suse.de>
630
631         PR middle-end/36326
632         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
633         non-BLKmode types.
634         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
635         into memory as tail calls.
636
637 2008-05-27  Richard Guenther  <rguenther@suse.de>
638
639         PR tree-optimization/36339
640         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
641         pointers cause all addressable variables to be call clobbered.
642
643 2008-05-27  Richard Guenther  <rguenther@suse.de>
644
645         PR tree-optimization/36245
646         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
647
648 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
649
650         * config/s390/s390.md: Replace all occurences of the 'm'
651         constraint with 'RT'.
652
653 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
654
655         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
656         definitions added.
657         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
658         "*movdi_64".
659         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
660         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
661         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
662
663 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
664
665         * reload.c: (find_reloads): Skip alternatives according to the
666         "enabled" attribute. Constify the constraint variable.
667         * recog.c (get_attr_enabled): Add default implementation.
668         (extract_insn): Set the alternative_enabled_p array
669         in the recog_data struct.
670         (preprocess_constraints, constrain_operands): Skip
671         alternatives according to the "enabled" attribute
672         * recog.h (struct recog_data): New field alternative_enabled_p.
673         (skip_alternative): New inline function.
674         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
675         (record_reg_classes): Skip alternative according to the
676         "enabled" attribute.
677
678         * doc/md.texi: Add documention for the "enabled" attribute.
679
680 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
681
682         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
683         * postreload.c (reload_cse_simplify_operands): Replace 'm'
684         constraint with TARGET_MEM_CONSTRAINT.
685         * recog.c (asm_operand_ok, preprocess_constraints,
686         constrain_operands): Likewise.
687         * regclass.c (record_reg_classes): Likewise.
688         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
689         * reload1.c (maybe_fix_stack_asms): Likewise.
690         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
691         * recog.h: Adjust comment.
692         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
693         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
694         * doc/md.texi: Add a note to description of 'm' constraint.
695         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
696
697 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
698
699         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
700         that the bitfield is of integral type before testing its precision.
701
702 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
703             Sa Liu  <saliu@de.ibm.com> 
704
705         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
706         __modti3, __udivti3, __umodti3 and __udivmodti4.
707         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
708         that implement TImode mul and div functions.
709         * config/spu/multi3.c: New. Implement __multi3.
710         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
711         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
712         functions on SPU.
713
714 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
715
716         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
717         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
718         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
719         tls_sysv_suffix): New mode and mode attribute iterators.
720         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
721         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
722         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
723         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
724         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
725         iterators.
726
727 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
728
729         PR tree-optimization/36329
730         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
731         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
732         * cgraphbuild.c (initialize_inline_failed): Use the latter
733         macro in lieu of the former.
734         * ipa-inline.c (cgraph_mark_inline): Likewise.
735         (cgraph_decide_inlining_of_small_function): Likewise.
736         (cgraph_decide_inlining): Likewise.
737         (cgraph_decide_inlining_incrementally): Likewise.
738
739 2008-05-26  Tristan Gingold  <gingold@adacore.com>
740             Anatoly Sokolov  <aesok@post.ru>
741
742         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
743         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
744         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
745         optimization for 'avr6' architecture.
746
747 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
748
749         PR target/34932
750         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
751
752 2008-05-26  Richard Guenther  <rguenther@suse.de>
753
754         * tree-ssa-sccvn.c (expr_has_constants): Declare.
755         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
756
757 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
758
759         PR middle-end/36253
760         * caller-save.c (insert_restore): Verify alignment of spill space.
761         (insert_save): Likewise.
762         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
763         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
764         (STACK_SLOT_ALIGNMENT): Likewise.
765         * function.c (LOCAL_ALIGNMENT): Removed.
766         (get_stack_local_alignment): New.
767         (assign_stack_local): Use it.  Set alignment on stack slot.
768         (assign_stack_temp_for_type): Use get_stack_local_alignment.
769         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
770         (STACK_SLOT_ALIGNMENT): New.
771         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
772         stack slot in XFmode.
773
774         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
775
776 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
777
778         PR/36321
779         * config/i386/i386.md (allocate_stack_worker_64): Make sure
780         argument operand in rax isn't removed.
781
782 2008-05-26  Richard Guenther  <rguenther@suse.de>
783
784         PR middle-end/36300
785         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
786         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
787
788 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
789
790         PR bootstrap/36331
791         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
792
793 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
794
795         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
796         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
797
798 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
799
800         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
801         build a trampoline if we don't want one.
802         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
803         return zero for nested functions if we don't want a trampoline.
804
805 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
806
807         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
808
809 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
810
811         PR fortran/18428
812         * c.opt: Removed undocumented option '-lang-fortran'.
813         * c-common.h: Removed global variable 'lang_fortran'.
814         * c-opts.c (c_common_handle_option): Removed code to handle
815         option '-lang-fortran'. Updated includes.
816         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
817         definition of '__GFORTRAN__'.
818         (define__GNUC__): Reimplemented to use BASEVER and
819         cpp_define_formatted.
820         (builtin_define_with_value_n): Removed.
821         * c-incpath.h: Renamed to ...
822         * incpath.h: ... this.
823         * c-incpath.c: Renamed to ...
824         * incpath.c: ... this. Updated includes.
825         * fix-header.c: Updated includes.
826         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
827         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
828         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
829
830 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
831
832         * tree.h: Update the table of flags used on tree nodes.
833         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
834         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
835         (FORCED_LABEL): Add access check.
836         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
837         (ASM_INPUT_P): Likewise.
838         (ASM_VOLATILE_P): Likewise.
839         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
840         (OMP_SECTION_LAST): Access private_flag directly.
841         (OMP_RETURN_NOWAIT): Likewise.
842         (OMP_PARALLEL_COMBINED): Likewise.
843         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
844         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
845         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
846         deprecated_flag directly.
847
848 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
849
850         * final.c (frame_pointer_needed): Removed.
851         * flags.h (frame_pointer_needed): Likewise.
852
853         * function.h (rtl_data): Add frame_pointer_needed.
854         (frame_pointer_needed): New.
855
856 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
857
858         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
859
860 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
861
862         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
863         SRC is a REG.
864
865 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
866
867         * c-common.c (strip_array_types): Move function to..
868         * tree.c: ..here.
869         (get_inner_array_type): Delete.
870         * c-common.h (strip_array_types): Move declaration to..
871         * tree.h: ..here.
872         (get_inner_array_type): Delete.
873         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
874         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
875         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
876         * config/pa/pa.c (emit_move_sequence): Likewise.
877
878 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
879
880         * config/i386/i386.md (*sse_prologue_save_insn): Set length
881         attribute to 34.
882
883 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
884
885         * function.c: Include target hook for nonlocal_goto frame value.
886
887 2008-05-24  Richard Guenther  <rguenther@suse.de>
888
889         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
890         variable can be only accessed through a pointer or a union.
891
892 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
893
894         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
895         * doc/extend.texi: Likewise.
896
897 2008-05-23  DJ Delorie  <dj@redhat.com>
898
899         * config/m32c/jump.md (untyped_call): Add.
900
901         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
902         for A24 to PSImode.
903         (m32c_address_cost): Detail costs for indirect offsets.
904
905 2008-05-23  Rafael Espindola  <espindola@google.com>
906
907         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
908         if a node is a SUBREG.
909         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
910         is a SUBREG.
911
912 2008-05-23  Paul Brook  <paul@codesourcery.com>
913             Carlos O'Donell  <carlos@codesourcery.com>
914
915         * doc/extend.texi: Clarify use of __attribute__((naked)).
916         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
917         * target.h (gcc_target): Add allocate_stack_slots_for_args.
918         * function.c (use_register_for_decl): Use
919         targetm.calls.allocate_stack_slots_for_args.
920         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
921         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
922         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
923
924 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
925
926         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
927
928 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
929
930         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
931         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
932         is only rounded once.
933
934 2008-05-23  Richard Guenther  <rguenther@suse.de>
935
936         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
937
938 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
939             Jakub Jelinek  <jakub@redhat.com>
940
941         PR target/36079
942         * configure.ac: Handle --enable-cld.
943         * configure: Regenerated.
944         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
945         * config/i386/i386.h (struct machine_function): Add needs_cld field.
946         (ix86_current_function_needs_cld): New define.
947         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
948         (cld): New isns pattern.
949         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
950         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
951         * config/i386/i386.opt (mcld): New option.
952         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
953         TARGET_CLD and ix86_current_function_needs_cld.
954         (override_options): Use -mcld by default for 32-bit code if
955         USE_IX86_CLD.
956
957         * doc/install.texi (Options specification): Document --enable-cld.
958         * doc/invoke.texi (Machine Dependent Options)
959         [i386 and x86-64 Options]: Add -mcld option.
960         (Intel 386 and AMD x86-64 Options): Document -mcld option.
961
962 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
963         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
964         (return_in_memory_64): Likewise.
965         (return_in_memory_ms_64): Likewise.
966
967 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
968
969         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
970         * builtins.c (fold_builtin_fpclassify): New.
971         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
972         * builtins.def (BUILT_IN_FPCLASSIFY): New.
973         * c-common.c (handle_type_generic_attribute): Adjust to accept
974         fixed arguments before an elipsis.
975         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
976         * doc/extend.texi: Document __builtin_fpclassify.
977
978 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
979
980         * omp-low.c (gate_expand_omp_ssa): Remove.
981         (pass_expand_omp_ssa): Remove.
982         (gate_expand_omp): Do not check for flag_openmp_ssa.
983         * common.opt (-fopenmp-ssa): Remove.
984         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
985
986 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
987
988         * config/sh/sh.opt (mfixed-range): New option.
989         * config/sh/sh-protos.h (sh_fix_range): Declare.
990         * config/sh/sh.c (sh_fix_range): New function.
991         * config/sh/sh.h (sh_fixed_range_str): Declare.
992         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
993         is not empty.
994         * doc/invoke.texi (SH Options): Document -mfixed-range.
995
996 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
997
998         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
999         it before the redeclaration.
1000
1001 2008-05-22  Anatoly Sokolov <aesok@post.ru>
1002
1003         * config/avr/avr.c (get_sequence_length): Add new function.
1004         (expand_prologue, expand_epilogue): Remove duplicate code.
1005
1006 2008-05-22  Rafael Espindola  <espindola@google.com>
1007
1008         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
1009         sharing.
1010
1011 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1012
1013         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
1014         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
1015
1016         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
1017         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
1018         (vect_update_misalignment_for_peel): Likewise.
1019         (vector_alignment_reachable_p): Likewise.
1020         * tree-vect-transform.c (vectorizable_load): Likewise.
1021         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
1022         (get_vectype_for_scalar_type): Pass mode of scalar_type
1023         to UNITS_PER_SIMD_WORD.
1024
1025         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
1026         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
1027         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
1028         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
1029         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
1030
1031 2008-05-22  Ira Rosen  <irar@il.ibm.com>
1032
1033         PR tree-optimization/36293
1034         * tree-vect-transform.c (vect_transform_strided_load): Don't check
1035         if the first load must be skipped because of a gap.
1036
1037 2008-05-22  Richard Guenther  <rguenther@suse.de>
1038
1039         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
1040         more cases of offset disambiguation that is possible if
1041         strict-aliasing rules apply.
1042         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
1043         for basic offset and type-based disambiguation.
1044
1045 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1046
1047         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
1048         ix86_expand_vector_set on V16QImode for SSE4.1.
1049
1050 2008-05-21  Tom Tromey  <tromey@redhat.com>
1051
1052         * c.opt (Wimport): Mark as undocumented.
1053         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
1054         -Wno-import.
1055         (Warning Options): Likewise.
1056         * doc/cppopts.texi: Don't mention -Wimport.
1057
1058 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
1059
1060         PR tree-optimization/36287
1061         PR tree-optimization/36286
1062         * lambda-code.c (build_access_matrix): Do not use the loop->num
1063         for computing the number of induction variables: use the loop depth
1064         instead.
1065
1066 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
1067
1068         PR/36280
1069         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
1070         option -f(no-)leading-underscore.
1071
1072 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1073
1074         * config/i386/i386.c (ix86_expand_vector_init_general): Use
1075         GET_MODE_NUNITS (mode).
1076
1077 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
1078
1079         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
1080         (-mmulhw): Add 464 to description.
1081         (-mdlmzb): Likewise.
1082         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
1083         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
1084         464fp entries.
1085         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
1086         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
1087         * config/rs6000/rs6000.md: Update comments for 464.
1088
1089 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
1090
1091         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
1092
1093 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1094
1095         * config/i386/sse.md (vec_extractv4sf): Removed.
1096         (vec_extractv2df): Likewise.
1097         (vec_extractv2di): Likewise.
1098         (vec_extractv4si): Likewise.
1099         (vec_extractv8hi): Likewise.
1100         (vec_extractv16qi): Likewise.
1101         (vec_extract<mode>): New.
1102
1103 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1104
1105         * config/i386/sse.md (vec_setv4sf): Removed.
1106         (vec_setv2df): Likewise.
1107         (vec_setv2di): Likewise.
1108         (vec_setv4si): Likewise.
1109         (vec_setv8hi): Likewise.
1110         (vec_setv16qi): Likewise.
1111         (vec_set<mode>): New.
1112
1113 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1114
1115         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
1116         goto for vec_concat and vec_interleave.
1117
1118 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1119
1120         * config/i386/sse.md (vec_initv4sf): Removed.
1121         (vec_initv2df): Likewise.
1122         (vec_initv2di): Likewise.
1123         (vec_initv4si): Likewise.
1124         (vec_initv8hi): Likewise.
1125         (vec_initv16qi): Likewise.
1126         (vec_init<mode>): New.
1127
1128 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
1129
1130         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
1131
1132 2008-05-21  Tom Tromey  <tromey@redhat.com>
1133
1134         * ggc-zone.c (lookup_page_table_if_allocated): New function.
1135         (zone_find_object_offset): Likewise.
1136         (gt_ggc_m_S): Likewise.
1137         (highest_bit): Likewise.
1138         * ggc-page.c (gt_ggc_m_S): New function.
1139         * stringpool.c (string_stack): Remove.
1140         (init_stringpool): Update.
1141         (ggc_alloc_string): Use ggc_alloc.
1142         (maybe_delete_ident): New function.
1143         (ggc_purge_stringpool): Likewise.
1144         (gt_ggc_m_S): Remove.
1145         * ggc-common.c (ggc_protect_identifiers): New global.
1146         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
1147         ggc_protect_identifiers.
1148         * ggc.h (ggc_protect_identifiers): Declare.
1149         (gt_ggc_m_S): Update.
1150         (ggc_purge_stringpool): Declare.
1151         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
1152         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
1153         special case.
1154         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
1155
1156 2008-05-21  David S. Miller  <davem@davemloft.net>
1157
1158         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
1159         tmake_file.
1160
1161 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
1162
1163         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
1164         once finished.
1165
1166 2008-05-20  David Daney  <ddaney@avtrex.com>
1167
1168         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
1169         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
1170         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
1171         UNSPEC_UPDATE_GOT_VERSION): Renumber.
1172         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
1173         (atomic_hiqi_op): New define_code_iterator.
1174         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
1175         mips_expand_compare_and_swap_12.
1176         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
1177         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
1178         (sync_<optab><mode>, sync_old_<optab><mode>,
1179         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1180         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
1181         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
1182         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
1183         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
1184         (test_and_set_12): New insn.
1185         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
1186         sync_new_<optab><mode>, sync_old_nand<mode>,
1187         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
1188         clobber to operand 0 for SI and DI mode insns.
1189         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
1190         mips_gen_fn_4): New typedefs.
1191         (mips_gen_fn_ptrs): Define new union type.
1192         (mips_expand_compare_and_swap_12): Remove declaration.
1193         (mips_expand_atomic_qihi): Declare function.
1194         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
1195         (mips_expand_atomic_qihi): ... this.  Use new generator function
1196         parameter.
1197         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
1198         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
1199         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
1200         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
1201         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
1202         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
1203         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
1204         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
1205         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
1206         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
1207         New macros.
1208
1209 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1210
1211         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
1212         the missing break.
1213
1214 2008-05-20  Anatoly Sokolov <aesok@post.ru>
1215
1216         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
1217         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
1218         (avr_attribute_table): Add 'OS_main' function attribute.
1219         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
1220         functions with 'OS_main' attribute.
1221
1222 2008-05-20  Richard Guenther  <rguenther@suse.de>
1223
1224         PR tree-optimization/35204
1225         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
1226         helper, split out from ...
1227         (DFS): ... here.  Make the DFS walk non-recursive.
1228
1229 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
1230             Jan Sjodin  <jan.sjodin@amd.com>
1231
1232         PR tree-optimization/36181
1233         * tree-parloops.c (loop_has_vector_phi_nodes): New.
1234         (parallelize_loops): Don't parallelize when the loop has vector
1235         phi nodes.
1236
1237 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
1238             Sebastian Pop  <sebastian.pop@amd.com>
1239
1240         * tree-loop-linear.c (gather_interchange_stats): Look in the access
1241         matrix, and never look at the tree representation of the memory
1242         accesses.
1243         (linear_transform_loops): Computes parameters and access matrices.
1244         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
1245         when fails.
1246         (access_matrix_get_index_for_parameter): New.
1247         * tree-data-ref.h (struct access_matrix): New.
1248         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
1249         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
1250         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
1251         am_vector_index_for_loop): New.
1252         (struct data_reference): Add field access_matrix.
1253         (DR_ACCESS_MATRIX): New.
1254         (compute_data_dependences_for_loop): Update declaration.
1255         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
1256         * lambda.h (lambda_vector_vec_p): Declared.
1257         * lambda-code.c: Depend on pointer-set.h.
1258         (lambda_collect_parameters_from_af, lambda_collect_parameters,
1259         av_for_af_base, av_for_af, build_access_matrix,
1260         lambda_compute_access_matrices): New.
1261         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
1262
1263 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
1264
1265         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
1266         $SOURCEDIR/include.
1267
1268 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
1269             Sebastian Pop  <sebastian.pop@amd.com>
1270
1271         PR tree-optimization/36206
1272         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
1273         FOLD_CONVERSIONS.
1274         (instantiate_scev_1): Rename flags to fold_conversions.
1275         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
1276         outeside instantiation_loop.
1277         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
1278         (evolution_function_is_affine_or_constant_p): Removed.
1279         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
1280         instantiate_scev.
1281         (analyze_siv_subscript): Pass in the loop nest number.
1282         Call evolution_function_is_affine_in_loop instead of 
1283         evolution_function_is_affine_p.
1284         (analyze_overlapping_iterations): Pass in the loop nest number.
1285
1286 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
1287             Sebastian Pop  <sebastian.pop@amd.com>
1288
1289         PR tree-optimization/36206
1290         * tree-chrec.h (chrec_fold_op): New.
1291         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
1292         and other trees.
1293
1294 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
1295
1296         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
1297         (DIRS_EQ): New.
1298         (remove_duplicates): Do not set inode on non-inode systems.
1299         Use DIRS_EQ.
1300
1301 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
1302
1303         * config.gcc (tm_file): Update comments about relative pathnames.
1304
1305 2008-05-20  Richard Guenther  <rguenther@suse.de>
1306
1307         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
1308         * tree-ssa-sccvn.c (process_scc): Likewise.
1309         * tree-ssa-sink.c (execute_sink_code): Likewise.
1310         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
1311         * tree-vrp.c (process_assert_insertions): Likewise.
1312         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
1313         (perform_tree_ssa_dce): Likewise.
1314         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1315         (dump_dominator_optimization_stats): Likewise.
1316         * tree-vectorizer.c (vectorize_loops): Likewise.
1317
1318 2008-05-20  Richard Guenther  <rguenther@suse.de>
1319
1320         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
1321
1322 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
1323
1324         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
1325         (ix86_i386elf_return_in_memory): Likewise.
1326         (ix86_i386interix_return_in_memory): Likewise.
1327         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
1328         (SUBTARGET_RETURN_IN_MEMORY): New.
1329         * config/i386/i386elf.h: Likewise.
1330         * config/i386/ptx4-i.h: Likewise.
1331         * config/i386/sol2-10.h: Likewise.
1332         * config/i386/sysv4.h: Likewise.
1333         * config/i386/vx-common.h: Likewise.
1334         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
1335         * config/i386/i386.c (ix86_return_in_memory): Made static and
1336         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
1337         (ix86_i386elf_return_in_memory): Removed.
1338         (ix86_i386interix_return_in_memory): Removed.
1339         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
1340         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
1341
1342 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
1343
1344         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
1345
1346 2008-05-19  Xinliang David Li  <davidxl@google.com>
1347
1348         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
1349         * opts.c: Ditto.
1350         * common.opt: Ditto.
1351         * doc/invoke.texi: Ditto.
1352
1353 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1354
1355         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
1356         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
1357
1358 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
1359
1360         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
1361         sizes of operand array from 8/4 to 4/2.
1362         (ix86_expand_vector_init_general): Change size of operand array
1363         from 32 to 16.  Remove op0, op1 and half_mode.
1364
1365 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
1366
1367         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
1368         (ix86_expand_vector_init_interleave): Likewise.
1369         (ix86_expand_vector_init_general): Use them.  Assert
1370         word_mode == SImode when n_words == 4.
1371
1372 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
1373
1374         * config/i386/i386.c (ix86_secondary_reload): New static function.
1375         (TARGET_SECONDARY_RELOAD): New define.
1376         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
1377         * config/i386/i386.md (reload_outqi): Remove.
1378
1379 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1380
1381         PR middle-end/35509
1382         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
1383         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
1384         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
1385         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
1386         (fold_builtin_1): Likewise.
1387         * builtins.def (BUILT_IN_ISINF_SIGN): New.
1388         c-common.c (check_builtin_function_arguments): Handle
1389         BUILT_IN_ISINF_SIGN.
1390         * doc/extend.texi: Document __builtin_isinf_sign.
1391         * fold-const.c (operand_equal_p): Handle COND_EXPR.
1392
1393 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
1394
1395         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
1396         EH cleanup at the end of the pass, search for those that have been
1397         turned into forwarder blocks and do the cleanup on their successor.
1398
1399 2008-05-18  Richard Guenther  <rguenther@suse.de>
1400
1401         * tree-cfg.c (verify_gimple_expr): Allow conversions from
1402         pointers to sizetype and vice versa.
1403
1404 2008-05-18 Xinliang David Li   <davidxl@google.com>
1405
1406         * gcc/tree-ssa-dce.c: Coding style fix.
1407         (check_pow): Documentation comment. 
1408         (check_log): Documenation comment. Coding style fix.
1409         (is_unnecessary_except_errno_call): Ditto.
1410         (gen_conditions_for_pow): Ditto.
1411         (gen_conditions_for_log): Ditto.
1412         (gen_shrink_wrap_conditions): Ditto.
1413         (shrink_wrap_one_built_in_calls): Ditto.
1414         * gcc/doc/invoke.texi: Better documentation string.
1415         * ChangeLog: Fix wrong change log entries from 
1416         May 17 checkin on function call DCE.
1417
1418 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1419
1420         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
1421
1422 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
1423
1424         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
1425         * df-problems.c (simulation routines): Fixed block comment to
1426         properly say how to add forwards scanning functions.
1427         
1428 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
1429
1430         * tree-inline.c (setup_one_parameter): Remove dead code.
1431
1432 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
1433
1434         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
1435         a BIT_AND_EXPR only for an INTEGER_TYPE.
1436
1437 2008-05-17 Xinliang David Li   <davidxl@google.com>
1438
1439         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
1440         (check_pow, check_log, is_unnecessary_except_errno_call): New 
1441         functions to check for eliminating math functions that are pure 
1442         except for setting errno.
1443         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
1444         general condition expressions for shrink-wrapping pow/log calls.
1445         (gen_shrink_wrap_conditions): Ditto.
1446         (shrink_wrap_one_built_in_call): Ditto.
1447         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
1448         (mark_operand_necessary): If debugging, output if OP is necessary.
1449         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
1450         unnecessary.
1451         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
1452         opt level >= 2.
1453         * gcc/common.opt: New user flag -ftree-builtin-dce.
1454         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
1455
1456 2008-05-16  David S. Miller  <davem@davemloft.net>
1457
1458         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
1459         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
1460
1461 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
1462
1463         PR target/36246
1464         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
1465
1466 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
1467
1468         * ifcvt.c (dead_or_predicable): Rename
1469         df_simulate_one_insn_backwards to df_simulate_one_insn.
1470         * recog.c (peephole2_optimize): Ditto.
1471         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
1472         Ditto.
1473         * df.h: Rename df_simulate_one_insn_backwards to
1474         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
1475         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
1476         scanning of defs and uses.
1477         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
1478         (df_simulate_one_insn_forwards): Removed.
1479
1480 2008-05-16  Doug Kwan  <dougkwan@google.com>
1481
1482         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
1483         QNaN & SNaN.
1484         (real_from_string): Handle NaNs and Inf as approriate.
1485
1486 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
1487
1488         * doc/gty.texi (Source Files Containing Type Information): Note
1489         that headers should appear first in the gtfiles list.
1490
1491 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
1492
1493         * tree.def (COND_EXEC): Properly documented this code.
1494
1495 2008-05-16  Diego Novillo  <dnovillo@google.com>
1496
1497         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
1498         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
1499         the new field.
1500
1501 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
1502
1503         * tree-ssa-dse (max_stmt_uid): Removed.
1504         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
1505         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
1506         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
1507         * function.h (cfun.last_stmt_uid): New field.
1508         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
1509         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
1510         New functions.
1511         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
1512         (create_stmt_ann): Initialize the ann->uid field.
1513         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
1514         with new calls.
1515         * tree-flow.h (renumber_gimple_stmt_uids): New function.
1516
1517 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
1518
1519         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
1520         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
1521         (init_empty_tree_cfg): Call it.
1522
1523 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
1524
1525         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
1526         Update all users.
1527
1528 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
1529
1530         * doc/invoke.text (-fdump-tree-*-verbose): New option.
1531         * tree-dump.c (dump_options): New verbose option.
1532         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
1533         Add verbose dump.
1534         * tree-pass.h (TDF_VERBOSE): New dump flag.
1535         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
1536         (tree-flow.h): Added include.
1537         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
1538
1539 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
1540
1541         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
1542
1543         From Jie Zhang  <jie.zhang@analog.com>
1544         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1545         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
1546         mcpu=bf561-none and mcpu=bf561-0.2.
1547         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1548         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
1549         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1550         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
1551         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
1552         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
1553         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
1554         option.
1555         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
1556         (cputype_selected): Remove.
1557         (bfin_handle_option): Don't use cputype_selected.
1558         (override_options): When no mcpu option, enable all workarounds.
1559         Don't use bfin_workarounds.
1560         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
1561         processor type.
1562         (DEFAULT_CPU_TYPE): Don't define.
1563
1564 2008-05-16  Richard Guenther  <rguenther@suse.de>
1565
1566         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
1567         on deletion of the last stmt.
1568
1569 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1570
1571         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
1572         V8HImode for SSE2 and V16QImode for SSE4.1.
1573
1574 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
1575
1576         * cgraph.h (compute_inline_parameters): Made public.
1577         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
1578         variable_generate_summary, function_write_summary,
1579         variable_write_summary, variable_read_summary.  Added generate_summary,
1580         write_summary, read_summary.
1581         * cgraphunit.c (cgraph_process_new_functions): Changed call from
1582         pass_ipa_inline.function_generate_summary, to
1583         compute_inline_parameters. 
1584         * ipa-inline.c (compute_inline_parameters): Made public and added
1585         node parameter.
1586         (compute_inline_parameters_for_current): New function.
1587         (pass_inline_param): Now calls compute_inline_parameters_for_current.
1588         (inline_generate_summary): Removed parameter and made to loop over
1589         all cgraph nodes.
1590         (pass_ipa_inline): Updated for new IPA_PASS structure.
1591         * passes.c (execute_ipa_summary_passes): Now is called once per
1592         pass rather than once per node*pass.
1593         
1594 2008-05-15  Anatoly Sokolov <aesok@post.ru>
1595
1596         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
1597         avr_have_mul_p, avr_asm_only_p): Remove variables.
1598         (avr_override_options): Remove initialization of removed variables.
1599         (avr_file_start):  Convert removed variables to fields of 
1600         'struct base_arch_s *avr_current_arch'. 
1601         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
1602         (AVR_HAVE_MUL): (Ditto.).
1603         (AVR_HAVE_MOVW): (Ditto.).
1604         (AVR_HAVE_LPMX): (Ditto.). 
1605         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
1606         avr_asm_only_p): Remove declaration.
1607
1608 2008-05-15  Diego Novillo  <dnovillo@google.com>
1609
1610         * config/arm/arm.c (arm_return_in_memory): Fix return type.
1611         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
1612
1613 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
1614
1615         PR middle-end/36194
1616         * combine.c (check_conversion): Rename back to check_promoted_subreg.
1617         Don't call record_truncated_value from here.
1618         (record_truncated_value): Turn it into a for_each_rtx callback.
1619         (record_truncated_values): New function.
1620         (combine_instructions): Call note_uses with record_truncated_values.
1621         Change name of check_conversion to check_promoted_subreg. 
1622
1623 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
1624
1625         * doc/sourcebuild.texi: Document support for torture tests.
1626
1627 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
1628
1629         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
1630         to alternative 4 of operand 2.
1631
1632 2008-05-15  Richard Guenther  <rguenther@suse.de>
1633
1634         * tree-pass.h (current_pass): Declare.
1635         (get_pass_for_id): Likewise.
1636         * passes.c (passes_by_id, passes_by_id_size): New globals.
1637         (set_pass_for_id): New function.
1638         (get_pass_for_id): Likewise.
1639         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
1640         (execute_function_todo): Flush per function statistics.
1641         * toplev.c (compile_file): Init statistics.
1642         (general_init): Do early statistics initialization.
1643         (finalize): Finish statistics.
1644         * statistics.h (statistics_early_init): Declare.
1645         (statistics_init): Likewise.
1646         (statistics_fini): Likewise.
1647         (statistics_fini_pass): Likewise.
1648         (statistics_counter_event): Likewise.
1649         (statistics_histogram_event): Likewise.
1650         * statistics.c: New file.
1651         * Makefile.in (OBJS-common): Add statistics.o.
1652         (statistics.o): Add dependencies.
1653         * doc/invoke.texi (-fdump-statistics): Document.
1654
1655         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
1656         (insert): Likewise.
1657         (execute_pre): Use statistics_counter_event.
1658         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
1659         (substitute_and_fold): Increment it.  Use statistics_counter_event.
1660
1661 2008-05-15  Diego Novillo  <dnovillo@google.com>
1662
1663         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
1664
1665         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
1666         * tree-ssa-alias.c (new_type_alias): Remove references to
1667         sub-variables from comment.
1668         * tree-ssa-operands.c (swap_tree_operands): Likewise.
1669
1670 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1671
1672         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
1673         attribute to 1 only for insertps alternative.
1674
1675 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
1676
1677         * config/bfin/bfin.md (loadbytes): New pattern.
1678         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
1679         (bfin_init_builtins): Initialize it.
1680         (bdesc_1arg): Add it.
1681
1682 2008-05-15  Sa Liu  <saliu@de.ibm.com>
1683
1684         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
1685         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
1686         * testsuite/lib/target-supports.exp: Add
1687         check_effective_target_fortran_integer_16.
1688
1689 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
1690
1691         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
1692         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
1693         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
1694         (TARGET_RETURN_IN_MEMORY): Define.
1695
1696 2008-05-15  Richard Guenther  <rguenther@suse.de>
1697
1698         PR middle-end/36244
1699         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
1700         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
1701         represent unmodifiable vars.
1702
1703 2008-05-15  Richard Guenther  <rguenther@suse.de>
1704
1705         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
1706         INDIRECT_REF and TARGET_MEM_REF.
1707         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1708         TARGET_MEM_REF.
1709
1710 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
1711             H.J. Lu  <hongjiu.lu@intel.com>
1712
1713         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
1714         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
1715         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
1716         insn alternatives.  Add missing alternatives.
1717         (*vec_concatv2di_rex64_sse4_1): Likewise.
1718         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
1719         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
1720         Require TARGET_SSE.
1721
1722 2008-05-15  Richard Guenther  <rguenther@suse.de>
1723
1724         PR tree-optimization/36009
1725         PR tree-optimization/36204
1726         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
1727         (determine_invariantness_stmt): Record the loop a store is
1728         always executed in.
1729         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
1730         dependency.
1731
1732 2008-05-15  Richard Guenther  <rguenther@suse.de>
1733
1734         PR tree-optimization/34330
1735         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
1736         through the pointer will alias the SMT.
1737
1738 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
1739
1740         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
1741
1742 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
1743
1744         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
1745
1746 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1747             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1748
1749         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
1750         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
1751         (vashl_optab): New optab for vector/vector shifts.
1752         (vashr_optab): Ditto.
1753         (vlshr_optab): Ditto.
1754         (vrotl_optab): Ditto.
1755         (vrotr_optab): Ditto.
1756         (optab_subtype): New enum for optab_for_tree_code call.
1757         (optab_for_tree_code): Add enum optab_subtype argument.
1758
1759         * optabs.c (optab_for_tree_code): Take an additional argument to
1760         distinguish between a vector shift by a scalar and vector shift by
1761         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
1762         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
1763         vector shift by a vector.
1764         (expand_widen_pattern_expr): Pass additional argument to
1765         optab_for_tree_code.
1766
1767         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
1768         vrotl_optab, vrotr_optab.
1769
1770         * expr.c (expand_expr_real_1): Update calls to
1771         optab_for_tree_code to distinguish between vector shifted by a
1772         scalar and vector shifted by a vector.
1773         * tree-vectorizer.c (supportable_widening_operation): Ditto.
1774         (supportable_narrowing_operation): Ditto.
1775         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
1776         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
1777         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
1778         (vect_create_epilog_for_reduction): Ditto.
1779         (vectorizable_reduction): Ditto.
1780         (vectorizable_operation): Ditto.
1781         (vect_strided_store_supported): Ditto.
1782         (vect_strided_load_supported): Ditto.
1783         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1784         * expmed.c (expand_shift): Ditto.
1785
1786         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
1787         scalar type.
1788         (ashr@var{m}3): Ditto.
1789         (vashl@var{m}3): Document new vector/vector shift standard name.
1790         (vashr@var{m}3): Ditto.
1791         (vlshr@var{m}3): Ditto.
1792         (vrotl@var{m}3): Ditto.
1793         (vrotr@var{m}3): Ditto.
1794
1795         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
1796         (PPERM_INVERT): Ditto.
1797         (PPERM_REVERSE): Ditto.
1798         (PPERM_REV_INV): Ditto.
1799         (PPERM_ZERO): Ditto.
1800         (PPERM_ONES): Ditto.
1801         (PPERM_SIGN): Ditto.
1802         (PPERM_INV_SIGN): Ditto.
1803         (PPERM_SRC1): Ditto.
1804         (PPERM_SRC2): Ditto.
1805
1806         * config/i386/sse.md (mulv2di3): Add SSE5 support.
1807         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
1808         allows a memory operand to be the value being added, and split it
1809         to improve vectorization.
1810         (sse5_pmacsdqh_mem): Ditto.
1811         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
1812         (sse5_mulv2div2di3_high): Ditto.
1813         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
1814         (vec_pack_trunc_v4si): Ditto.
1815         (vec_pack_trunc_v2di): Ditto.
1816         (sse5_pcmov_<mode>): Remove code that tried to use use
1817         andps/andnps instead of pcmov.
1818         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
1819         pmacsdqh instructions.
1820         (vec_widen_smult_lo_v4si): Ditto.
1821
1822         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
1823         (PPERM_INVERT): Ditto.
1824         (PPERM_REVERSE): Ditto.
1825         (PPERM_REV_INV): Ditto.
1826         (PPERM_ZERO): Ditto.
1827         (PPERM_ONES): Ditto.
1828         (PPERM_SIGN): Ditto.
1829         (PPERM_INV_SIGN): Ditto.
1830         (PPERM_SRC1): Ditto.
1831         (PPERM_SRC2): Ditto.
1832         (ix86_expand_sse_movcc): Move the SSE5 test after the if
1833         true/false tests.
1834         (ix86_expand_int_vcond): If SSE5 generate all possible integer
1835         comparisons.
1836         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
1837         says ignore whether the last reference is a memory operand.
1838
1839 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1840             Paolo Bonzini <bonzini at gnu dot org>
1841
1842         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
1843         shift patterns.
1844
1845         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
1846         (vlshr<mode>3): Rename from vlshr<mode>3.
1847         (vashr<mode>3): Rename from vashr<mode>3.
1848         (mulv4sf3): Change the names of vector shift patterns.
1849         (mulv4si3): Ditto.
1850         (negv4sf2): Ditt.
1851
1852         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
1853         shift insns.
1854
1855         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
1856         (SI_SHLHI): Ditto.
1857         (SI_SHL): Ditto.
1858         (SI_SHLI): Ditto.
1859         (SI_ROTH): Ditto.
1860         (SI_ROTHI): Ditto.
1861         (SI_ROT): Ditto.
1862         (SI_ROTI): Ditto.
1863         (SPU_RL_0): Ditto.
1864         (SPU_RL_1): Ditto.
1865         (SPU_RL_2): Ditto.
1866         (SPU_RL_3): Ditto.
1867         (SPU_RL_4): Ditto.
1868         (SPU_RL_5): Ditto.
1869         (SPU_RL_6): Ditto.
1870         (SPU_RL_7): Ditto.
1871         (SPU_SL_0): Ditto.
1872         (SPU_SL_1): Ditto.
1873         (SPU_SL_2): Ditto.
1874         (SPU_SL_3): Ditto.
1875         (SPU_SL_4): Ditto.
1876         (SPU_SL_5): Ditto.
1877         (SPU_SL_6): Ditto.
1878         (SPU_SL_7): Ditto.
1879
1880         * config/spu/spu.md (v): New iterator macro to add v for vector types.
1881         (floatunssidf2_internal): Change vector/vector shift names.
1882         (floatunsdidf2_internal): Ditto.
1883         (mulv8hi3): Ditto.
1884         (ashrdi3): Ditto.
1885         (ashrti3): Ditto.
1886         (cgt_df): Ditto.
1887         (cgt_v2df): Ditto.
1888         (dftsv): Ditto.
1889         (vashl<mode>3): Rename from ashl<mode>3.
1890         (vashr<mode>3): Rename from ashr<mode>3.
1891         (vlshr<mode>3): Rename from lshr<mode>3.
1892         (vrotl<mode>3): Rename from rotl<mode>3.
1893
1894 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1895
1896         PR target/36224
1897         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
1898         multiply gives the wrong value when doing widening multiplies.
1899         (vec_widen_smult_lo_v4si): Ditto.
1900
1901 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
1902
1903         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
1904         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
1905         emit_library_call_value. 
1906         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
1907         * tree.h (ECF_LIBCALL_BLOCK): Removed.
1908         * calls.c (initialize_argument_information, precompute_arguments, 
1909         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
1910         (precompute_arguments): Removed flags parameter.
1911         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
1912         
1913 2008-05-14  Richard Guenther  <rguenther@suse.de>
1914
1915         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
1916         Make sure to register the store if the use is a PHI_NODE.
1917
1918 2008-05-14  Olivier Hainque  <hainque@adacore.com>
1919
1920         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
1921         memory if the component is to be referenced in BLKmode according
1922         to get_inner_reference.
1923
1924 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
1925
1926         * calls.c (emit_library_call_value_1): Restore code clearing
1927         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
1928
1929 2008-05-14  Olivier Hainque  <hainque@adacore.com>
1930             Nicolas Roche  <roche@adacore.com>
1931
1932         * configure.ac: Add support for a "gcc_subdir" variable in
1933         config-lang.in, to denote a subdirectory where the language/GCC
1934         integration files are to be found.
1935         * configure: Regenerate.
1936
1937 2008-05-14  Ira Rosen  <irar@il.ibm.com>
1938
1939         PR tree-optimization/36098
1940         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
1941         value for the first load in the group in case of a gap.
1942         (vect_build_slp_tree): Check that there are no gaps in loads.
1943
1944 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
1945
1946         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
1947         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
1948         expand_copysign_bit, ): Change call to emit_no_conflict_block to
1949         emit_insn and remove unneeded code to construct extra args.
1950         (emit_no_conflict_block): Removed.
1951         * optabls.h: (emit_no_conflict_block): Removed.
1952         * cse.c (cse_extended_basic_block): Remove search for
1953         REG_NO_CONFLICT note.
1954         * global.c: Removed incorrect comment added in revision 117.
1955         * expr.c (convert_move): Change call to emit_no_conflict_block to
1956         emit_insn.
1957         * recog.c: Change comments so that they do not mention
1958         REG_NO_CONFLICT.
1959         * local_alloc.c (combine_regs): Removed last parameter.
1960         (no_conflict_p): Removed.
1961         (block_alloc): Removed note, no_conflict_combined_regno and set
1962         local vars. Removed all code to process REG_NO_CONFLICT blocks.
1963         (combine_regs): Removed already_dead and code to look for
1964         REG_NO_CONFLICT notes.
1965         * lower_subreg (remove_retval_note): Removed code to look for
1966         REG_NO_CONFLICT block.
1967         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
1968         (resolve_clobber): Remove code to process libcalls that have
1969         REG_NO_CONFLICT notes.
1970         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
1971         case.
1972         * combine.c (can_combine_p, distribute_notes):  Removed
1973         REG_NO_CONFLICT case.
1974         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
1975         to emit_insns.
1976         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
1977         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
1978         Ditto.
1979         * reg-notes.def (NO_CONFLICT): Removed.
1980
1981 2008-05-14  David S. Miller  <davem@davemloft.net>
1982
1983         * config/sparc/sparc.c (sparc_profile_hook): If
1984         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
1985         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
1986         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
1987
1988 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1989
1990         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
1991
1992 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
1993
1994         PR target/36222
1995         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
1996         and op1 expansion before vector concat to have less live pseudos.
1997
1998 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
1999
2000         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2001         ix86_expand_vector_set if supported.
2002
2003 2008-05-13  Diego Novillo  <dnovillo@google.com>
2004             Kenneth Zadeck  <zadeck@naturalbridge.com>
2005
2006         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
2007
2008         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
2009         phinodes_print_statistics, init_ssanames, fini_ssanames,
2010         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
2011         release_ssa_name, release_defs, replace_ssa_name_symbol,
2012         ssanames_print_statistics): Move ...
2013         * tree-flow.h: ... here.
2014         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
2015         Use FN instead of cfun.
2016         (make_ssa_name_fn): Rename from make_ssa_name.
2017         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
2018         * tree-flow-inline.h (make_ssa_name): Move from
2019         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
2020         * omp-low.c (expand_omp_parallel):
2021         * tree-flow-inline.h (redirect_edge_var_map_result):
2022         * tree-ssa.c (init_tree_ssa): Add argument FN.
2023         Use it instead of cfun.  Update all users.
2024
2025 2008-05-13  Tom Tromey  <tromey@redhat.com>
2026
2027         PR preprocessor/22168:
2028         * doc/cpp.texi (Top): Update menu.
2029         (Alternatives to Wrapper #ifndef): New node.
2030         (Other Directives): Document deprecation.
2031         (Obsolete Features): Remove menu.
2032         (Assertions): Merge node into Obsolete Features.
2033         (Obsolete once-only headers): Move earlier; rename to Alternatives
2034         to Wrapper #ifndef.
2035         * doc/cppopts.texi: Update.
2036         * c.opt (Wdeprecated): Enable for C and ObjC.
2037         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
2038         (C++ Dialect Options): Move -Wno-deprecated from here to...
2039         (Warning Options): ... here.
2040
2041 2008-05-13  Richard Guenther  <rguenther@suse.de>
2042
2043         PR middle-end/36227
2044         * fold-const.c (fold_sign_changed_comparison): Do not allow
2045         changes in pointer-ness.
2046
2047 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2048
2049         PR target/24713
2050         * config/sh/sh.c (sh_expand_prologue): Don't clear
2051         RTX_FRAME_RELATED_P for push insns.
2052
2053 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
2054
2055         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
2056
2057 2008-05-12  Anatoly Sokolov <aesok@post.ru>
2058
2059         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
2060         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
2061         Use 'machine->is_leaf' instead of 'leaf_func_p'.
2062
2063 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
2064
2065         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
2066         (*vec_concatv4sf_sse): This.
2067         (*sse2_concatv2si): Renamed to ...
2068         (*vec_concatv2si_sse2): This.
2069         (*sse1_concatv2si): Renamed to ...
2070         (*vec_concatv2si_sse): This.
2071         (*vec_concatv2di_rex): Renamed to ...
2072         (*vec_concatv2di_rex64): This.
2073         (*vec_concatv2si_sse4_1): New.
2074         (*vec_concatv2di_rex64_sse4_1): Likewise.
2075
2076 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
2077
2078         PR rtl-optimization/36111
2079         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
2080         that was created for swappable operands.
2081
2082 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
2083
2084         PR ada/36001
2085         * Makefile.in: Substitute GNATMAKE and GNATBIND.
2086         * configure.ac: Add call to ACX_PROG_GNAT.
2087
2088 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
2089
2090         * optc-gen.awk: Fix comment typo.
2091
2092 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
2093
2094         * pretty-print.c (pp_integer_with_precision): Use
2095         HOST_LONG_LONG_FORMAT.
2096
2097 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
2098
2099         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
2100                 
2101 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
2102
2103         * config/i386/i386.c (bdesc_ptest): Removed.
2104         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
2105         (bdesc_args): Add __builtin_ia32_ptestz128,
2106         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
2107         (ix86_init_mmx_sse_builtins): Updated.
2108         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
2109         (ix86_expand_builtin): Updated.
2110
2111 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
2112
2113         * tree-cfg.c (valid_fixed_convert_types_p): New function.
2114         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
2115
2116 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
2117
2118         * value-prof.c (interesting_stringop_to_profile): Do not
2119         return early for BUILT_IN_MEMPCPY.
2120
2121 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
2122
2123         * calls.c (expand_call): Don't use callgraph to increase
2124         preferred_stack_boundary.
2125
2126         * cgraph.h (cgraph_rtl_info): Use unsigned on
2127         preferred_incoming_stack_boundary.
2128
2129         * final.c (rest_of_clean_state): Use unsigned on
2130         preferred_stack_boundary.
2131
2132 2008-05-09  Tom Tromey  <tromey@redhat.com>
2133
2134         PR preprocessor/22231:
2135         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
2136         proceeding.
2137
2138 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
2139
2140         PR tree-optimization/36129
2141         * tree-ssa-ccp.c: Include value-prof.h.
2142         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
2143         built-in function was folded to a constant.
2144         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
2145
2146 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
2147             Sebastian Pop  <sebastian.pop@amd.com>
2148
2149         * tree-scalar-evolution.c: Document instantiate_scev.
2150         (instantiate_parameters_1): Renamed instantiate_scev_1.
2151         Don't use the same loop for instantiation_loop and evolution_loop.
2152         (instantiate_scev): New.
2153         (instantiate_parameters): Moved...
2154         (resolve_mixers): Update call to instantiate_scev_1 to pass the
2155         same loop twice.  Maintains the semantics for this function.
2156         * tree-scalar-evolution.h (instantiate_scev): Declare.
2157         (instantiate_parameters): ...here.  Now static inline.
2158         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
2159         instead of resolve_mixers.
2160
2161 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
2162
2163         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
2164
2165 2008-05-09  Tomas Bily  <tbily@suse.cz>
2166
2167         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
2168         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
2169         * tree-ssa-structalias.c (get_constraint_for): Likewise.
2170         * c-common.c (c_common_truthvalue_conversion): Likewise.
2171         * tree-object-size.c (compute_object_offset): Likewise.
2172         * tree-inline.c (estimate_num_insns_1): Likewise.
2173         * varasm.c (const_hash_1, compare_constant, copy_constant)
2174         (compute_reloc_for_constant, output_addressed_constants)
2175         (initializer_constant_valid_p): Likewise.
2176         * c-omp.c (check_omp_for_incr_expr): Likewise.
2177         * gimplify.c (gimplify_expr): Likewise.
2178         * c-typeck.c (c_finish_return): Likewise.
2179         * tree-vectorizer.c (supportable_widening_operation)
2180         (supportable_narrowing_operation): Likewise.
2181         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
2182         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
2183         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
2184         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
2185         (descr_info_loc): Likewise.
2186         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
2187         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
2188         (fold_unary): Likewise.
2189         * builtins.c (get_pointer_alignment): Likewise.
2190         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
2191         (instantiate_parameters_1): Likewise.
2192         * tree.c (expr_align, stabilize_reference): Likewise.
2193         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2194         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
2195         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
2196         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
2197         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
2198         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
2199         Likewise.
2200         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
2201         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
2202         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
2203         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
2204         (forward_propagate_comparison)
2205         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2206         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
2207         * emit-rtl.c (component_ref_for_mem_expr)
2208         (set_mem_attributes_minus_bitpos): Likewise.
2209         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
2210         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
2211         Likewise.
2212         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
2213         (build_function_call, pointer_diff, build_compound_expr)
2214         (c_finish_return): Likewise.
2215         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
2216         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
2217         Likewise.
2218         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
2219         * expr.c (is_aligning_offset): Likewise.
2220         * tree-ssa-alias.c (is_escape_site): Likewise.
2221         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
2222         (check_all_va_list_escapes): Likewise.
2223         * tree-ssa-loop-ivopts.c (determine_base_object)
2224         (determine_common_wider_type): Likewise.
2225         * dojump.c (do_jump): Likewise.
2226         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
2227         * tree-gimple.c (is_gimple_cast): Likewise.
2228         * fold-const.c (decode_field_reference, )
2229         (fold_sign_changed_comparison, fold_unary, fold_comparison)
2230         (fold_binary): Likewise.
2231         * tree-ssa-alias-warnings.c (find_alias_site_helper)
2232         (already_warned_in_frontend_p): Likewise.
2233         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
2234         * tree.c (really_constant_p, get_unwidened): Likewise.
2235         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
2236         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
2237         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
2238         Likewise.
2239         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
2240         CONVERT_EXPR_P.
2241         (CONVERT_EXPR_P): Define.
2242         (CASE_CONVERT): Define.
2243         
2244 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
2245
2246         PR middle-end/36117
2247         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
2248         (delete_unmarked_insns): When deleting a call, call
2249         delete_unreachable_blocks.
2250         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
2251         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
2252
2253 2008-05-08  Richard Guenther  <rguenther@suse.de>
2254
2255         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
2256         (-ftree-salias): Likewise.
2257         (salias-max-implicit-fields): Remove param documentation.
2258         (salias-max-array-elements): Likewise.
2259         * tree-pass.h (pass_create_structure_vars): Remove.
2260         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
2261         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
2262         * tree-ssa-alias.c (create_structure_vars): Remove.
2263         (gate_structure_vars): Likewise.
2264         (pass_create_structure_vars): Likewise.
2265         (gate_build_alias): Likewise.
2266         (pass_build_alias): Adjust to run always and dump the function.
2267         * common.opt (ftree-salias): Hide.
2268         * passes.c (init_optimization_passes): Remove
2269         pass_create_structure_vars, adjust comment.
2270         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
2271         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
2272         * opts.c (decode_options): Do not set flag_tree_salias.
2273         (common_handle_option): Add OPT_ftree_salias to the backward
2274         compatibility section.
2275
2276 2008-05-08  Richard Guenther  <rguenther@suse.de>
2277
2278         * tree-flow-inline.h (var_can_have_subvars): Move ...
2279         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
2280         * tree-flow.h (var_can_have_subvars): Remove.
2281         (push_fields_onto_fieldstack): Remove.
2282         (sort_fieldstack): Likewise.
2283         (struct fieldoff): Move ...
2284         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
2285         alias_set and base_for_components fields.
2286         (sort_fieldstack): Make static.
2287         (push_fields_onto_fieldstack): Likewise.  Remove code that
2288         handles anything but RECORD_TYPEs.  Remove alias_set and
2289         base_for_components handling.
2290         (create_variable_info_for): Adjust.
2291
2292 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
2293
2294         * common.opt (Wframe-larger-than=): Shorten the help message
2295         to one line.
2296         * doc/invoke.texi (Wframe-larger-than=): Add more description.
2297
2298 2008-05-08  Rafael Espindola  <espindola@google.com>
2299
2300         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
2301         trap.
2302         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
2303         trap and that both operands are gimple values.
2304         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
2305         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
2306         is a fp operation.
2307
2308 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2309
2310         * read-rtl.c (join_c_conditions): Return the first string if the
2311         two strings are equal.
2312
2313 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2314
2315         * gensupport.h (pred_data): Add a "num_codes" field.
2316         (add_predicate_code): Declare.
2317         * gensupport.c (add_predicate_code): New function.
2318         (std_pred_table): Add an "allows_const_p" field.
2319         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
2320         Remove the (incomplete) list of such codes from the codes field.
2321         (init_predicate_table): Use add_predicate_code.  Add all
2322         RTX_CONST_OBJs if allows_const_p is true.
2323         * genrecog.c (process_define_predicate): Use add_predicate_code.
2324
2325 2008-05-08  David Daney  <ddaney@avtrex.com>
2326             Richard Sandiford  <rsandifo@nildram.co.uk>
2327         
2328         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
2329         special case of constant zero operands.
2330         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
2331         old and new values.  Special case constant zero values.
2332         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
2333         fails.
2334         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
2335         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
2336
2337 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
2338
2339         PR target/36090
2340         * simplify-rtx.c (simplify_plus_minus): Create CONST of
2341         similar RTX_CONST_OBJ before CONST_INT.
2342
2343 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
2344
2345         * stmt.c (expand_stack_restore): Change sa mode if needed.
2346
2347 2008-05-08  Richard Guenther  <rguenther@suse.de>
2348
2349         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
2350         return type to bool.
2351         (ix86_sol10_return_in_memory): Likewise.
2352         (ix86_i386elf_return_in_memory): Likewise.
2353         (ix86_i386interix_return_in_memory): Likewise.
2354         * config/i386/i386.c (ix86_return_in_memory): Likewise.
2355         (ix86_sol10_return_in_memory): Likewise.
2356         (ix86_i386elf_return_in_memory): Likewise.
2357         (ix86_i386interix_return_in_memory): Likewise.
2358
2359 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
2360
2361         PR bootstrap/36180
2362         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
2363         fndecl argument.
2364         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
2365         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
2366         declared in front.
2367
2368 2008-05-08  Richard Guenther  <rguenther@suse.de>
2369
2370         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
2371         * tree-data-ref.h (struct dr_alias): Remove subvars field.
2372         (DR_SUBVARS): Remove.
2373         * tree-dfa.c (dump_subvars_for): Remove.
2374         (debug_subvars_for): Likewise.
2375         (dump_variable): Do not dump subvars.
2376         (remove_referenced_var): Do not remove subvars.
2377         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
2378         (lookup_subvars_for_var): Remove.
2379         (get_subvars_for_var): Likewise.
2380         (get_subvars_at): Likewise.
2381         (get_first_overlapping_subvar): Likewise.
2382         (overlap_subvar): Likewise.
2383         * tree-flow.h (subvar_t): Remove.
2384         (struct var_ann_d): Remove subvars field.
2385         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
2386         argument.  Remove special handling of SFTs.
2387         (compute_tag_properties): Likewise.
2388         (set_initial_properties): Likewise.
2389         (compute_call_clobbered): Likewise.
2390         (count_mem_refs): Likewise.
2391         (compute_memory_partitions): Likewise.
2392         (compute_flow_insensitive_aliasing): Likewise.
2393         (setup_pointers_and_addressables): Likewise.
2394         (new_type_alias): Likewise.
2395         (struct used_part): Remove.
2396         (used_portions): Likewise.
2397         (struct used_part_map): Likewise.
2398         (used_part_map_eq): Likewise.
2399         (used_part_map_hash): Likewise.
2400         (free_used_part_map): Likewise.
2401         (up_lookup): Likewise.
2402         (up_insert): Likewise.
2403         (get_or_create_used_part_for): Likewise.
2404         (create_sft): Likewise.
2405         (create_overlap_variables_for): Likewise.
2406         (find_used_portions): Likewise.
2407         (create_structure_vars): Likewise.
2408         * tree.def (STRUCT_FIELD_TAG): Remove.
2409         * tree.h (MTAG_P): Adjust.
2410         (struct tree_memory_tag): Remove base_for_components and
2411         unpartitionable flags.
2412         (struct tree_struct_field_tag): Remove.
2413         (SFT_PARENT_VAR): Likewise.
2414         (SFT_OFFSET): Likewise.
2415         (SFT_SIZE): Likewise.
2416         (SFT_NONADDRESSABLE_P): Likewise.
2417         (SFT_ALIAS_SET): Likewise.
2418         (SFT_UNPARTITIONABLE_P): Likewise.
2419         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
2420         (union tree_node): Remove sft field.
2421         * alias.c (get_alias_set): Remove special handling of SFTs.
2422         * print-tree.c (print_node): Remove handling of SFTs.
2423         * tree-dump.c (dequeue_and_dump): Likewise.
2424         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
2425         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
2426         * tree-predcom.c (set_alias_info): Do not set subvars.
2427         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
2428         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
2429         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
2430         (add_vars_for_offset): Remove.
2431         (add_virtual_operand): Remove special handling of SFTs.
2432         (add_call_clobber_ops): Likewise.
2433         (add_call_read_ops): Likewise.
2434         (get_asm_expr_operands): Likewise.
2435         (get_modify_stmt_operands): Likewise.
2436         (get_expr_operands): Likewise.
2437         (add_to_addressable_set): Likewise.
2438         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
2439         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
2440         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
2441         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
2442         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
2443         (tree_node_structure): Likewise.
2444         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
2445         handling of SFTs.
2446         (find_what_p_points_to): Likewise.
2447
2448 2008-05-08  Sa Liu  <saliu@de.ibm.com>
2449
2450         * config/spu/spu.md: Fixed subti3 pattern.
2451
2452 2008-05-08  Richard Guenther  <rguenther@suse.de>
2453
2454         PR middle-end/36154
2455         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
2456         sure to create a representative for trailing arrays for PTA.
2457
2458 2008-05-08  Richard Guenther  <rguenther@suse.de>
2459
2460         PR middle-end/36172
2461         * fold-const.c (operand_equal_p): Two objects which types
2462         differ in pointerness are not equal.
2463
2464 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
2465
2466         * calls.c (compute_argument_block_size): Add argument tree fndecl.
2467         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
2468         (emit_library_call_value_1): Add new variable fndecl initialized by
2469         NULL_TREE. It should be the decl type of orgfun, but this information
2470         seems not to be available here, so it uses the default calling abi.
2471         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
2472         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
2473         by TARGET_RETURN_IN_MEMORY.
2474         * config/i386/i386-interix.h: Likewise.
2475         * config/i386/i386.h: Likewise.
2476         * config/i386/i386elf.h: Likewise.
2477         * config/i386/ptx4-i.h: Likewise.
2478         * config/i386/sol2-10.h: Likewise.
2479         * config/i386/sysv4.h: Likewise.
2480         * config/i386/vx-common.h: Likewise.
2481         * config/cris/cris.h: Removed #if 0 clause.
2482         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
2483         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
2484         argument.
2485         (ix86_sol10_return_in_memory): Likewise.
2486         (ix86_i386elf_return_in_memory): New.
2487         (ix86_i386interix_return_in_memory): New.
2488         * config/mt/mt-protos.h (mt_return_in_memory): New.
2489         * config/mt/mt.c: Likewise.
2490         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
2491         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
2492         * config/bfin/bfin.h: Likewise.
2493         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
2494         argument.
2495         * config/bfin/bfin.c: Likewise.
2496         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
2497         * config/alpha/unicosmk.h: Likewise.
2498         * config/i386/cygming.h: Likewise.
2499         * config/iq2000/iq2000.h: Likewise.
2500         * config/mips/mips.h: Likewise.
2501         * config/mn10300/mn10300.h: Likewise.
2502         * config/rs6000/rs6000.h: Likewise.
2503         * config/score/score.h: Likewise.
2504         * config/spu/spu.h: Likewise.
2505         * config/v850/v850.h: Likewise.
2506         * defaults.h: Likewise.
2507         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
2508         * expr.c (emit_block_move): Adjust use of
2509         OUTGOING_REG_PARM_STACK_SPACE.
2510         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
2511         OUTGOING_REG_PARM_STACK_SPACE.
2512         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
2513
2514 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
2515
2516         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
2517         on OMP_RETURN for OMP_FOR.
2518
2519         PR debug/35896
2520         * dwarf2out.c (dw_expand_expr, common_check): Removed.
2521         (fortran_common): New function.
2522         (gen_variable_die): Call fortran_common instead of common_check,
2523         adjust for it returning tree instead of rtx.  Formatting.
2524
2525 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
2526
2527         PR rtl/7335
2528         PR rtl/33826
2529         * see.c (see_copy_insn): Copy new pure const attributes for new call.
2530         * c-decl.c (merge_decls): Ditto.
2531         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
2532         to RTL_CONST_OR_PURE_CALL_P.
2533         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
2534         Initialized DECL_LOOPING_CONST_PURE.
2535         (process_call_operands): Set tree_side_effects properly.
2536         * tree.h (TREE_READONLY_DECL_P): Removed.
2537         (DECL_IS_PURE): Renamed to DECL_PURE_P.
2538         (DECL_LOOPING_OR_CONST_P): New macro.
2539         (struct tree_function_decl): Added looping_const_or_pure_p.
2540         (ECF_*) Renumbered.
2541         (ECF_LOOPING_OR_CONST_P): New macro.
2542         * rtlanal.c (pure_const_p): Removed.
2543         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
2544         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
2545         to RTL_CONST_CALL_P.
2546         * ipa-pure-const.c (pure_const_state_e): Added looping field.
2547         (check_decl, check_tree, check_call, scan_function): Initialize
2548         looping.
2549         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
2550         (static_execute): Set looping true for recursive functions.
2551         Undo setting state to IPA_NEITHER for recursive functions.
2552         * cse.c (cse_insn): 
2553         * ifcvt.c (noce_can_store_speculate_p): Changed
2554         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
2555         RTL_CONST_OR_PURE_CALL_P.
2556         * dse.c (scan_insn): Ditto.
2557         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
2558         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
2559         RTL_CONST_OR_PURE_CALL_P.
2560         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
2561         pure_call_p to RTL_CONST_CALL_P.
2562         * gimplify.c (gimplify_call_expr): Clear side effects for
2563         non-looping pure and constant calls.
2564         * calls.c (emit_call_1): Set rtl flags from ecf flags.
2565         (flags_from_decl_or_type): Set ecf flags from decl flags.
2566         (initialize_argument_information): Turn off
2567         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
2568         Change const to pure if callee_copies is true rather than just
2569         turning off const.
2570         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
2571         way of marking pure calls.
2572         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
2573         Remove hack that was supposed to fix pr7335 and remove old
2574         way of marking pure calls.
2575         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
2576         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
2577         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
2578         RTL_CONST_OR_PURE_CALL_P.
2579         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
2580         * loop-invariant.c (find_exits, find_invariant_bb): Changed
2581         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
2582         * sched-deps.c (schedule_analyze): Ditto.
2583         * rtl.h (struct rtx_def): Use call field, unchanging field, and
2584         return_val field of calls to represent pure and const function info.
2585         (CONST_OR_PURE_CALL_P): Deleted macro.
2586         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
2587         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
2588         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
2589         TREE_READONLY.
2590         * tree-optimize.c (execute_fixup_cfg): Added test for
2591         ECF_LOOPING_CONST_OR_PURE.
2592         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
2593         DECL_PURE_P.
2594         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
2595         effects for looping pure or const calls.
2596         (verify_gimple_expr): Added verification code. 
2597         * config/alpha/alpha.c (alpha_legitimize_address,
2598         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
2599         RTL_CONST_CALL_P.
2600         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
2601         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
2602         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
2603         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
2604         RTL_CONST_OR_PURE_CALL_P.
2605         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
2606         and const calls to be deleted.
2607
2608 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
2609
2610         PR target/35714
2611         * config/i386/mmx.md (mmx_subv2sf3): New expander.
2612         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
2613         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
2614         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
2615         to handle nonimmediate operands.
2616         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
2617         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
2618         to handle nonimmediate operands.
2619         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
2620         (mmx_pmulhrwv4hi3): New expander.  Use
2621         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2622         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
2623         (sse2_umulv1siv1di3): New expander.  Use
2624         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2625         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
2626         (mmx_eq<mode>3): New expander.  Use
2627         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2628         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
2629         (mmx_uavgv8qi3): New expander.  Use
2630         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2631         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
2632         (mmx_uavgv4hi3): New expander.  Use
2633         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2634
2635         * config/i386/sse.md
2636         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
2637         to handle nonimmediate operands.
2638         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
2639         to handle nonimmediate operands.
2640         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
2641         to handle nonimmediate operands.
2642         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
2643         to handle nonimmediate operands.
2644         (sse2_unpckhpd_exp): New expander.  Use
2645         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2646         (sse2_unpcklpd_exp): New expander.  Use
2647         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2648         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
2649         to handle nonimmediate operands.
2650         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
2651         to handle nonimmediate operands.
2652         (*sse2_<plusminus_insn><mode>3): Rename from
2653         sse2_<plusminus_insn><mode>3 insn pattern.
2654         (sse2_<plusminus_insn><mode>3): New expander.  Use
2655         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2656         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
2657         (sse2_umulv2siv2di3): New expander.  Use
2658         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2659         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
2660         (sse4_1_mulv2siv2di3): New expander.  Use
2661         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2662         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
2663         (sse2_pmaddwd): New expander.  Use
2664         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2665         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
2666         (sse2_eq<mode>3): New expander.  Use
2667         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2668         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
2669         (sse4_1_eqv2di3): New expander.  Use
2670         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2671         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
2672         (sse2_uavgv16qi3): New expander.  Use
2673         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2674         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
2675         (sse2_uavgv16qi3): New expander.  Use
2676         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2677         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
2678         (sse2_uavgv8hi3): New expander.  Use
2679         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2680         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
2681         (ssse3_pmulhrswv8hi3): New expander.  Use
2682         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2683         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
2684         (ssse3_pmulhrswv4hi3): New expander.  Use
2685         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2686
2687         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
2688         (<sse>_vmmul<mode>3): Ditto.
2689         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
2690         (divv2df3): Ditto.
2691         (ssse3_pmaddubsw128): Use register_operand for operand 1.
2692         (ssse3_pmaddubsw): Ditto.
2693
2694         * config/i386/i386.c (struct_builtin_description)
2695         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
2696         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
2697         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
2698         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
2699         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
2700         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
2701         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
2702         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
2703         (ix86_fixup_binary_operands): Assert that src1
2704         and src2 must have the same mode when swapped.
2705         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
2706         and ix86_binary_operator_ok.  Do not force operands in registers
2707         when optimizing.
2708
2709 2008-05-07  Jan Hubicka  <jh@suse.cz>
2710
2711         * cgraph.c (dump_cgraph_node): Update.
2712         * cgraph.h (cgraph_local_info): Break out inline summary.
2713         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
2714         hook.
2715         * ipa-inline (inline_summary): New accestor function.
2716         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
2717         cgraph_decide_inlining, compute_inline_parameters): Update.
2718         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
2719
2720 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
2721
2722         Cleanup ColdFire scheduling support and add V4 pipeline model.
2723
2724         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
2725         (define_attr cpu): Add cfv4 value.
2726         (define_attr type, define_attr type1): Merge into a single 'type'
2727         attribute.  Update all uses.
2728         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
2729         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
2730         Update all uses.
2731         (define_attr opx_mem, define_attr opy_mem): Remove.
2732         (define_attr op_mem): Clean up, update comment.
2733         (define_attr size): Use specific values instead of general int.
2734         (define_attr guess, define_attr split): Remove.  Update all uses.
2735         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
2736         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
2737         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
2738         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
2739         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
2740         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
2741         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
2742         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
2743         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
2744         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
2745         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
2746         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
2747         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
2748         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
2749         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
2750         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
2751         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
2752         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
2753         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
2754         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
2755         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
2756         Update or set attributes.
2757         (stack_tie): New fake instruction.
2758
2759         * config/m68k/m68k.h (TUNE_CFV4): New macro.
2760         (m68k_sched_attr_size): Update declaration.
2761         (m68k_sched_attr_type2): Remove.
2762         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
2763         Declare new bypass predicates.
2764
2765         * config/m68k/m68k.c (m68k_sched_issue_rate,
2766         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
2767         implementations.
2768         (TARGET_SCHED_ISSUE_RATE,
2769         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
2770         (override_options): Handle scheduling for ColdFire V4 core.
2771         (m68k_expand_prologue): Emit stack_tie.
2772         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
2773         'OP_TYPE_FPN'.  Update all uses.
2774         (sched_guess_p): Remove.
2775         (sched_address_type): Handle symbolic addresses.
2776         (sched_get_operand): New static function.
2777         (sched_operand_type): Merge into sched_attr_op_type.
2778         (sched_attr_op_type): Handle FP registers, handle quick constants,
2779         update.
2780         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
2781         (m68k_sched_attr_size): Update.  Move logic to ...
2782         (sched_get_attr_size_int): New static function.
2783         (sched_get_opxy_mem_type): New static function.
2784         (m68k_sched_attr_op_mem): Update.
2785         (m68k_sched_attr_type2): Remove.
2786         (sched_cfv4_bypass_data): New static variable.
2787         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
2788         (m68k_sched_issue_rate): Implement scheduler hook.
2789         (struct _sched_ib: enabled_p): New field.
2790         (m68k_sched_variable_issue): Update.  Handle V4.
2791         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
2792         sched_dump_class_func_t, sched_dump_split_class,
2793         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
2794         sched_dump_dfa_class, m68k_sched_dump): Remove.
2795         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
2796         hook.
2797         (m68k_sched_init_global): Remove statisctics dumping, introduce
2798         sanity check that all instructions have pipeline reservations.  Handle
2799         ColdFire V4 core.
2800         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
2801         Handle ColdFire V4 core.
2802         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
2803         New static functions.
2804         (m68k_sched_address_bypass_p): New bypass predicate.
2805         (sched_get_indexed_address_scale): New static function.
2806         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
2807
2808         * cf.md: Update comments.
2809         (define_attr type2): Remove.  Use 'type' attribute instead.
2810         Update all uses.
2811         (cf_ib): Rename to cfv123_ib.  Update all uses.
2812         (cf_oep): Rename to cfv123_oep.  Update all uses.
2813         (cf_chr): Rename to cfv123_chr.  Update all uses.
2814         (cf_mem): Rename to cfv123_mem.  Update all uses.
2815         (cf_mac): Move to more appropriate place.
2816         (cfv123_guess): New automaton and cpu_unit.
2817         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
2818         Update uses of 'size' attribute.  Handle before reload scheduling.
2819         (cfv123_guess): New dummy reservation for unhandled instructions.
2820         (cfv4_*): Pipeline description of ColdFire V4 core.
2821         (ignore): New reservation to handle 'ignore' type.
2822
2823 2008-05-07  Ian Lance Taylor  <iant@google.com>
2824
2825         PR middle-end/36013
2826         * gimplify.c (find_single_pointer_decl_1): Don't look through
2827         indirections.
2828         (find_single_pointer_decl): Adjust comments.
2829
2830 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
2831
2832         PR middle-end/36137
2833         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
2834         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
2835
2836         PR middle-end/36106
2837         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
2838         integral type rather than floating point, then VIEW_CONVERT_EXPR
2839         to the floating point type.
2840
2841 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
2842
2843         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
2844         TFmode op0 to register.
2845
2846 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
2847
2848         * c-decl.c (grokdeclarator): Comment typo.
2849
2850 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
2851
2852         * tree-flow.h: Remove prototype for computed_goto_p.
2853         * tree-cfg.c (computed_goto_p): Make static.
2854
2855 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2856
2857         PR target/35657
2858         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
2859         (contains_aligned_value_p): This.  Handle _Decimal128.
2860         (ix86_function_arg_boundary): Only align _Decimal128 to its
2861         natural boundary and handle it properly.
2862
2863 2008-05-06  Martin Jambor  <mjambor@suse.cz>
2864
2865         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
2866         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
2867         (ipcp_method_set_orig_node): Removed.
2868         (ipcp_cval_get_cvalue_type): Removed.
2869         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
2870         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
2871         (ipcp_cval_set_cvalue_type): Removed.
2872         (ipcp_cval_get_cvalue): Removed.
2873         (ipcp_cval_set_cvalue): Removed.
2874         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
2875         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
2876         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
2877         (ipcp_cval_meet): Renamed to ipa_lattice_meet
2878         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
2879         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
2880         (ipcp_get_ith_lattice): Changed parameters.
2881         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
2882         (ipcp_lattice_from_jfunc): Changed parameters.
2883         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
2884         (ipcp_method_cval_print): Added temporary variable info.
2885         (ipcp_redirect): Removed already unused local variable caller.
2886         (ipcp_redirect): New temporary variable orig_callee_info
2887         (ipcp_redirect): Removed newly unused local variable callee.
2888         (ipcp_redirect): Removed (a bit confusing) local variable type.
2889         (ipcp_insert_stage): Added local variable info.
2890         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
2891         renamed too
2892         (ipcp_formal_create): Removed.
2893         (ipcp_method_cval_set): Removed.
2894         (ipcp_propagate_stage): Renamed lattice variables.
2895         (ipcp_method_cval_set_cvalue_type): Removed.
2896         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
2897         (ipcp_print_all_lattices): Changed printed strings to refer to 
2898         lattices rather than cvals.
2899         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
2900         (ipcp_propagate_const): Changed formal parameters.
2901         (build_const_val): Changed formal parameters.
2902         (ipcp_insert_stage): Removed useless variable cvalue
2903         (build_const_val): Changed formal parameters.
2904         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
2905         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
2906         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
2907         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
2908         (ipcp_print_func_profile_counts): Changed string from "method" to 
2909         "function"
2910         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
2911         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
2912         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
2913         (ipcp_structures_print): Renamed to ipcp_print_all_structures
2914         (ipcp_profile_print): Renamed to ipcp_print_profile_data
2915         (ipcp_lat_is_const): Changed parameters and made inline.
2916         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
2917         (ipcp_redirect): Renamed to ipcp_need_redirect_p
2918         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
2919         the predicate condition directly
2920         (ipcp_propagate_stage): Added local variable args. Removed local
2921         variable callee.  (Both are mere code simplifications.)
2922         (ipcp_method_dont_insert_const): Renamed to
2923         ipcp_node_not_modifiable_p.
2924         (ipcp_node_not_modifiable_p): Made inline.
2925         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
2926         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
2927         (ipcp_print_all_lattices): Removed variable cvalue
2928         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
2929         Updated comments.
2930
2931 2008-05-06  Olivier Hainque  <hainque@adacore.com>
2932
2933         * tree-sra.c (try_instantiate_multiple_fields): Early return
2934         if field has POINTER_TYPE.
2935
2936 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
2937
2938         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
2939         by using 'q' specifier for instruction.
2940         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
2941
2942 2008-05-06  Anatoly Sokolov <aesok@post.ru>
2943
2944         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2945         Change mode of zero_extract from QImode to HImode.
2946         (sign bit tests peepholes): (Ditto.).
2947
2948 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
2949
2950         * config/i386/mmx.md: Remove double backslashes from asm templates.
2951         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
2952         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
2953         to handle nonimmediate operands.
2954         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
2955         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
2956         to handle nonimmediate operands.
2957         (*mmx_<code>v2sf3_finite): New insn pattern.
2958         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
2959         (mmx_<code>v2sf3): New expander.  Use
2960         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2961         (mmx_<plusminus_insn><mode>3): New expander.  Use
2962         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2963         (*mmx_<plusminus_insn><mode>3): New insn pattern.
2964         (mmx_add<mode>3): Removed.
2965         (mmx_ssadd<mode>3): Ditto.
2966         (mmx_usadd<mode>3): Ditto.
2967         (mmx_sub<mode>3): Ditto.
2968         (mmx_sssub<mode>3): Ditto.
2969         (mmx_ussub<mode>3): Ditto.
2970         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
2971         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
2972         to handle nonimmediate operands.
2973         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
2974         insn pattern.
2975         (mmx_smulv4hi3_highpart): New expander.  Use
2976         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2977         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
2978         insn pattern.
2979         (mmx_umulv4hi3_highpart): New expander.  Use
2980         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2981         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
2982         (mmx_<code>v4hi3): New expander.  Use
2983         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2984         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
2985         (mmx_<code>v8qi3): New expander.  Use
2986         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2987         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
2988         (mmx_<code><mode>3): New expander.  Use
2989         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2990
2991 2008-05-05  Jan Hubicka  <jh@suse.cz>
2992
2993         PR tree-optimization/36118
2994         * passes.c (pass_init_dump_file): Fix dump header.
2995
2996 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2997
2998         PR middle-end/36141
2999         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
3000         VCE for function decls.
3001
3002 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
3003
3004         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
3005
3006 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
3007
3008         * config/i386/i386.md (sat_plusminus): New.
3009         (plusminus_insn): Likewise.
3010         (plusminus_mnemonic): Likewise.
3011         (addsub): Removed.
3012         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
3013         (*<addsub><mode>3_cc_overflow): Renamed to ...
3014         (*<plusminus_insn><mode>3_cc_overflow): This.
3015         (*<addsub>si3_zext_cc_overflow): Renamed to ...
3016         (*<plusminus_insn>si3_zext_cc_overflow): This.
3017
3018         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
3019         (<plusminus_insn><mode>3): This.
3020         (*<addsub><mode>3): Renamed to ...
3021         (*<plusminus_insn><mode>3): This.
3022         (<sse>_vm<addsub><mode>3): Renamed to ...
3023         (<sse>_vm<plusminus_insn><mode>3): This.
3024         (sse3_h<addsub>v4sf3): Renamed to ...
3025         (sse3_h<plusminus_insn>v4sf3): This.
3026         (sse3_h<addsub>v2df3): Renamed to ...
3027         (sse3_h<plusminus_insn>v2df3): This.
3028         (<plusminus_insn><mode>3): New.
3029         (*<plusminus_insn><mode>3): Likewise.
3030         (sse2_<plusminus_insn><mode>3): Likewise.
3031         (add<mode>): Removed.
3032         (*add<mode>3): Likewise.
3033         (sse2_ssadd<mode>3): Likewise.
3034         (sse2_usadd<mode>3): Likewise.
3035         (sub<mode>3): Likewise.
3036         (*sub<mode>3): Likewise.
3037         (sse2_sssub<mode>3): Likewise.
3038         (sse2_ussub<mode>3): Likewise.
3039
3040 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
3041
3042         * gthr-single.h: Add in required interface elements as per gthr.h.
3043         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
3044         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
3045         Generalize UNUSED macro. 
3046         (__gthread_once): Add.
3047         (__gthread_key_create): Add.
3048         (__gthread_key_delete): Add.
3049         (__gthread_getspecific): Add.
3050         (__gthread_setspecific): Add.
3051         
3052 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
3053
3054         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
3055         the same size types for the indirect reference on the rhs, then
3056         create a VCE.
3057
3058 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
3059
3060         * config/i386/i386.md
3061         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
3062         one insn template instead of template series.
3063         (*xordi_1_rex64): Ditto.
3064         (*xordi_2_rex64): Ditto.
3065
3066 2008-05-05  Ira Rosen  <irar@il.ibm.com>
3067
3068         PR tree-optimization/36119
3069         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
3070         in case of SLP.
3071
3072 2008-06-04  Jan Hubicka  <jh@suse.cz>
3073
3074         tree-optimization/36100
3075         * tree-pass.h (pass_O0_always_inline): Declare.
3076         * ipa-inline.c (inline_transform): Remove dead code.
3077         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
3078         pass_O0_always_inline): New.
3079         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
3080
3081 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
3082
3083         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
3084         mnemonic in this_param move for TARGET_64BIT.
3085
3086 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
3087
3088         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
3089         (*strmovsi_rex_1): Ditto.
3090         (*strsetsi_1): Ditto.
3091         (*strsetsi_rex_1): Ditto.
3092
3093         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
3094         adddicc expanders using SWI mode iterator.
3095
3096 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
3097
3098         PR target/36121
3099         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
3100         argument handling.
3101
3102 2008-05-04  David S. Miller  <davem@davemloft.net>
3103
3104         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
3105         (sparc*-*-linux*): Use linux.h in tm_file.
3106         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
3107         compiler defaulting to 32-bit.
3108         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
3109         no longer needed.
3110         * config/sparc/linux.h: Remove definitions now obtained
3111         properly from linux.h
3112         * config/sparc/linux64.h: Likewise.
3113         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
3114         don't want this setting for 32-bit builds in a biarch compiler.
3115         * doc/install.texi: Add sparc-linux to list of targets
3116         supporting --enable-targets=all.
3117
3118 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
3119
3120         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
3121
3122 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
3123
3124         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
3125         after V4SI_FTYPE_V8HI.
3126         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
3127         case V4SI_FTYPE_V2DF.
3128
3129 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
3130
3131         * doc/invoke.texi (max-flow-memory-locations): Removed.
3132         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
3133         
3134 2008-05-03  Richard Guenther  <rguenther@suse.de>
3135
3136         PR middle-end/34973
3137         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
3138
3139 2008-05-02  David S. Miller  <davem@davemloft.net>
3140
3141         * config.gcc (need_64bit_hwint): Document libcpp dependency.
3142
3143 2008-05-02  Simon Baldwin <simonb@google.com>
3144
3145         PR bootstrap/36108
3146         * c-common.h (warn_array_subscript_range): Removed.
3147         * c-common.c (warn_array_subscript_range): Ditto.
3148         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
3149         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
3150
3151 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
3152
3153         * config/i386/i386.c (ix86_special_builtin_type): New.
3154         (bdesc_special_args): Likewise.
3155         (ix86_expand_special_args_builtin): Likewise.
3156         (ix86_init_mmx_sse_builtins): Updated.
3157         (ix86_expand_builtin): Updated.
3158         (ix86_expand_store_builtin): Removed.
3159         (ix86_expand_unop_builtin): Likewise.
3160
3161         * config/i386/mm3dnow.h (__v2sf): Moved to ...
3162         * config/i386/mmintrin.h (__v2sf): Here.
3163
3164         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
3165         const __v2sf.
3166         (_mm_loadl_pi): Likewise.
3167         (_mm_storeh_pi): Replace __v2si with __v2sf.
3168         (_mm_storel_pi): Likewise.
3169
3170         * doc/extend.texi: Correct __builtin_ia32_loadhps,
3171         __builtin_ia32_loadlps, __builtin_ia32_storehps,
3172         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
3173         __builtin_ia32_loadlpd.
3174
3175 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
3176
3177         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
3178         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
3179         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
3180         (ix86_init_mmx_sse_builtins): Updated.
3181         (ix86_expand_args_builtin): Likewise.
3182         (ix86_expand_builtin): Likewise.
3183         (ix86_expand_unop1_builtin): Renamed to ...
3184         (ix86_expand_unop_vec_merge_builtin): This.
3185
3186 2008-05-01  Jan Hubicka  <jh@suse.cz>
3187
3188         PR bootstrap/36100
3189         * ipa-inline.c (inline_generate_summary): Make static.
3190         (inline_transform): Do not call inlining at -O0; make static.
3191         * passes.c (execute_todo): Add sanity check.
3192         (execute_one_ipa_transform_pass): Execute proper flags.
3193
3194 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
3195
3196         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
3197         (DECL_NONADDRESSABLE_P): Likewise.
3198         * alias.c (record_component_aliases): Fix comment.
3199
3200 2008-05-01  Simon Baldwin <simonb@google.com>
3201
3202         * c-common.h (warn_array_subscript_range): New function.
3203         * c-common.c (warn_array_subscript_range): Ditto.
3204         * tree-vrp.c (check_array_ref): Corrected code to agree with
3205         comment, ignoring only arrays of size 0 or size 1.
3206         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
3207
3208 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3209
3210         * config/i386/i386.c (ix86_builtin_type): Replace
3211         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
3212         (bdesc_args): Updated.
3213         (ix86_init_mmx_sse_builtins): Likewise.
3214         (ix86_expand_args_builtin): Likewise.
3215
3216         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
3217         with __v1di.
3218
3219         * doc/extend.texi: Correct __builtin_ia32_palignr.
3220
3221 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3222
3223         PR target/36095
3224         * config/i386/i386.c (bdesc_crc32): Removed.
3225         (ix86_expand_crc32): Likewise.
3226         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
3227         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
3228         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
3229         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
3230         UINT_FTYPE_UINT_UCHAR.
3231         (bdesc_args): Updated. Add crc32 builtins.
3232         (ix86_init_mmx_sse_builtins): Updated.
3233         (ix86_expand_args_builtin): Updated to support subreg.
3234
3235         * doc/extend.texi: Correct __builtin_ia32_crc32di.
3236
3237 2008-05-01  Jan Hubicka  <jh@suse.cz>
3238
3239         * tree-pass.h (opt_pass): Add IPA_PASS.
3240         (varpool_node, cgraph_node): Forward declare.
3241         (ipa_opt_pass): Define.
3242         (pass_ipa_inline): Turn into ipa_opt_pass.
3243         (pass_apply_inline): Remove.
3244         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
3245         (apply_inline): Turn into ....
3246         (inline_transform): ... this one.
3247         (inline_generate_summary): New function.
3248         (pass_apply_inline): Remove.
3249         * function.h (ipa_opt_pass): Forward declare structure; typedef;
3250         vector.
3251         (struct function): Add ipa_transforms_to_apply.
3252         * passes.c (register_one_dump_file): Work on IPA_PASS.
3253         (init_optimization_passes): Remove pass_inline_parameters and
3254         pass_apply_inline.
3255         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
3256         (execute_one_pass) ... here; apply transforms when possible.
3257         (add_ipa_transform_pass, execute_ipa_summary_asses,
3258         execute_one_ipa_transform_pass): New.
3259         (execute_ipa_pass_list): Update for IPA_PASS type.
3260
3261 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3262
3263         * config/i386/i386.c (ix86_builtin_type): Add
3264         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
3265         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
3266         (bdesc_args): Add SSE4a builtins.
3267         (ix86_init_mmx_sse_builtins): Updated.
3268         (ix86_expand_args_builtin): Likewise.
3269         (ix86_expand_builtin): Likewise.
3270
3271 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3272
3273         * config/i386/i386.c (ix86_builtin_type): Add
3274         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
3275         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
3276         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
3277         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
3278         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
3279         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
3280         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
3281         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
3282         and DI_FTYPE_DI_DI_INT.
3283         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
3284         (ix86_init_mmx_sse_builtins): Updated.
3285         (ix86_expand_args_builtin): Likewise.
3286         (ix86_expand_builtin): Likewise.
3287         (ix86_expand_binop_imm_builtin): Removed.
3288
3289         * doc/extend.texi: Correct __builtin_ia32_palignr128.
3290
3291 2008-04-30  Richard Guenther  <rguenther@suse.de>
3292
3293         PR tree-optimization/32921
3294         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
3295
3296 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3297
3298         * config/arm/arm.c (arm_unwind_emit): Use
3299         crtl->all_throwers_are_sibcalls instead of
3300         cfun->all_throwers_are_sibcalls.
3301         (arm_output_fn_unwind): Likewise.
3302         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
3303         instead of cfun->uses_pic_offset_table.
3304         (frv_expand_prologue): Likewise.
3305         (frv_frame_pointer_required): Likewise.
3306         (frv_expand_fdpic_call): Likewise.
3307         (frv_emit_movsi): Likewise.
3308         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
3309         cfun->returns_pcc_struct instead of
3310         current_function_returns_pcc_struct.
3311         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
3312         instead of cfun->calls_eh_return.
3313         (m32c_pushm_popm): Likewise.
3314         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
3315         "extern" declaration.
3316
3317 2008-04-30  Richard Guenther  <rguenther@suse.de>
3318
3319         PR tree-optimization/21636
3320         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
3321         constant address.
3322         (evaluate_stmt): Print the likely value.
3323         (ccp_visit_stmt): Avoid excessive vertical spacing.
3324
3325 2008-04-30  Rafael Espindola  <espindola@google.com>
3326
3327         * builtins.c (fold_call_expr): Return realret.
3328         * tree-ssa-threadedge.c
3329         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3330         __builtin_object_size.
3331
3332 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
3333
3334         * gcc.c (wrapper_string): New variable.
3335         (insert_wrapper): New function.
3336         (execute): New option -wrapper.
3337         * doc/invoke.texi (Overall Options): New driver option -wrapper.
3338
3339 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
3340
3341         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
3342         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
3343         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
3344         from...
3345         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
3346         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
3347         config/rs6000/e500crtres64gprctr.asm,
3348         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
3349         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
3350         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
3351         config/rs6000/e500crtsav64gprctr.asm,
3352         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
3353         config/rs6000/e500crtsavg64gprctr.asm: New files.
3354         * config/rs6000/t-ppccomm: Add build rules for new files.
3355         (LIB2FUNCS_STATIC_EXTRA): Add new files.
3356         * config/rs6000/t-netbsd: Add build rules for new files.
3357         (LIB2FUNCS_STATIC_EXTRA): New variable.
3358         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
3359         (CRTSAVRES_DEFAULT_SPEC): Likewise.
3360         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
3361
3362 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
3363
3364         * config/i386/i386.c (ix86_builtin_type): Add
3365         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
3366         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
3367         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
3368         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
3369         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
3370         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
3371         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
3372         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
3373         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
3374         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
3375         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
3376         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
3377         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
3378         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
3379         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
3380         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
3381         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
3382         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
3383         V1DI_FTYPE_V2SI_V2SI.
3384         (bdesc_2arg): Moved to ...
3385         (bdesc_args): Here.
3386         (ix86_init_mmx_sse_builtins): Updated.
3387         (ix86_expand_args_builtin): Updated.  Take a pointer
3388         to const struct builtin_description.  Handle comparison
3389         builtin functions.
3390         (ix86_expand_sse_compare): Take a new argument for swapping operands.
3391         (ix86_expand_builtin): Updated.
3392
3393         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
3394         (ssse3_pmaddubsw128): This.
3395         (ssse3_pmaddubswv4hi3): Renamed to ...
3396         (ssse3_pmaddubsw): This.
3397
3398         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
3399         (__builtin_ia32_packssdw128): Likewise.
3400         (__builtin_ia32_packuswb128): Likewise.
3401         (__builtin_ia32_pmaddubsw): Likewise.
3402         (__builtin_ia32_pmaddubsw128): Likewise.
3403
3404 2008-04-30  Richard Guenther  <rguenther@suse.de>
3405
3406         PR tree-optimization/14847
3407         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
3408         (recognize_bits_test): Use it.
3409         (recognize_single_bit_test): Likewise.
3410
3411 2008-04-30  Martin Jambor  <mjambor@suse.cz>
3412
3413         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
3414         instead of setting number of formal parameters to zero.
3415         (ipcp_init_stage): Do not set the number of actual parameters to zero 
3416         either.
3417         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
3418         which are called with variable number of arguments.
3419         (ipcp_insert_stage): Explicitely skipping all nodes which are
3420         called with variable number of arguments.
3421         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
3422         number of parameters.
3423
3424         * ipa-prop.h (struct ipa_node_params): Added flag
3425         called_with_var_arguments
3426         (ipa_set_param_count): Added.  Changed sole setter to use it.
3427         (ipa_get_param_count): Added.  All readers of param_count
3428         converted to use it instead.
3429         (ipa_set_called_with_variable_arg): Added.
3430         (ipa_is_called_with_var_arguments): Added.
3431         (ipa_get_ith_param): Added.  All readers of param_decls converted
3432         to use it instead.
3433         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
3434         changed to use it. 
3435         (ipa_get_cs_argument_count): Added, all readers of argument_count
3436         changed to cal it.
3437         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
3438         to use it.
3439         
3440         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
3441         (struct ipcp_lattice): Renamed cval_type to type
3442         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
3443
3444         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
3445         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
3446         (ipcp_insert_stage): Changed the type of variable cvalue to tree
3447         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
3448         (build_const_val): Changed the type of parameter cvalue to tree
3449         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
3450         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
3451         
3452         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
3453         constant 
3454
3455         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
3456         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
3457         (ipa_add_method): Renamed to ipa_push_func_to_list
3458         (ipa_remove_method): Renamed to ipa_pop_func_from_list
3459         (ipa_callsite_param_count): Removed.
3460         (ipa_callsite_param_count_set): Removed.
3461         (ipa_callsite_param): Removed.
3462         (ipa_callsite_callee): Removed.
3463         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
3464         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
3465         (ipa_method_formal_count): Removed.
3466         (ipa_method_formal_count_set): Removed.
3467         (ipa_method_get_tree): Removed.
3468         (ipa_method_tree_map_create): Removed.
3469         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
3470         (ipa_create_param_decls_array): Creates the array itself
3471         (ipa_create_param_decls_array): Temporary variable info instead of 
3472         a few dereferences.
3473         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
3474         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
3475         (get_type): Removed.
3476         (ipa_jf_get_info_type): Removed.
3477         (ipa_node_create): Renamed to ipa_create_node_params
3478         (ipa_free): Renamed to ipa_free_all_node_params
3479         (ipa_nodes_create): Renamed to ipa_create_all_node_params
3480         (ipa_edges_create): Renamed to ipa_create_all_edge_args
3481         (ipa_edges_free): Renamed to ipa_free_all_edge_args
3482         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
3483         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
3484         ipa_free_all_edge_args
3485         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
3486         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
3487         (ipa_create_methodlist_node): Removed.
3488         (ipa_methodlist_method): Removed.
3489         (ipa_methodlist_method_set): Removed.
3490         (ipa_methodlist_next_method): Removed.
3491         (ipa_methodlist_next_method_set): Removed.
3492         (ipa_method_is_modified): Removed.
3493         (ipa_method_modify_create): Removed.
3494         (ipa_method_modify_init): Temporary variable info instead of a few 
3495         dereferences.
3496         (ipa_detect_param_modifications): Temporary variable info instead of 
3497         a few dereferences.
3498         (ipa_compute_jump_functions): Temporary variable info instead of 
3499         a few dereferences.
3500         (ipa_method_modify_set): Removed.
3501         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
3502         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
3503         than craph_node as the first parameter.
3504         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
3505         (ipa_method_modify_init): Removed.
3506         (ipa_compute_jump_functions): Added a temp variable instead of 
3507         repeatadly dereferencing the cgraph_edge.aux pointer
3508         (ipa_callsite_param_set_type): Removed.
3509         (ipa_compute_jump_functions): i renamed to index and moved to 
3510         an inner block
3511         (ipa_callsite_param_set_info_type_formal): Removed.
3512         (ipa_callsite_param_set_info_type): Removed.
3513         (ipa_callsite_param_map_create): Removed.
3514         (ipa_callsite_tree): Removed.
3515         (ipa_callsite_caller): Removed.
3516         (ipa_pop_func_from_list): return_method removed to return_func
3517
3518         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
3519         prefixed all values with IPA_. Changed all users.
3520         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
3521         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
3522         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
3523         (union parameter_info): Renamed to jump_func_value.
3524         (union jump_func_value): Renamed value to constant
3525         (struct ipa_jump_func): Renamed info_type to value
3526         (struct ipa_node): Renamed to ipa_node_params
3527         (struct ipa_node_params): Renamed ipa_arg_num to param_count
3528         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
3529         (struct ipa_node_params): Renamed ipa_mod to modified_flags
3530         (struct ipa_edge): Renamed to ipa_edge_args
3531         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
3532         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
3533         (struct ipa_methodlist): Renamed to ipa_func_list
3534         (struct ipa_func_list): method_p renamed to node, next_method
3535         renamed to next
3536         (ipa_methodlist_p): Removed, switched all users to struct pointer
3537         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
3538
3539 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
3540
3541         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
3542         (rs6000_emit_epilogue): Use backchain to restore only when we
3543         have a large frame.  Make use of frame pointer to restore if we
3544         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
3545
3546 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
3547
3548         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
3549         Add mode to zero_extract.
3550         (sign bit tests peepholes): (Ditto.).
3551
3552 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
3553
3554         * config/i386/i386.c (ix86_builtins): Replace Prescott New
3555         Instructions in comments with SSE3.
3556         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
3557         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
3558         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
3559         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
3560         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
3561         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
3562         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
3563         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
3564         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
3565         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
3566         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
3567         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
3568         (bdesc_sse_args): Renamed to ...
3569         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
3570         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
3571         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
3572         IX86_BUILTIN_FABSQ.
3573         (bdesc_1arg): Moved to ...
3574         (bdesc_args): Here.
3575         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
3576         Instructions in comments with SSE3.
3577         (ix86_expand_sse_operands_builtin): Renamed to ...
3578         (ix86_expand_args_builtin): This.  Updated.
3579         (ix86_expand_unop1_builtin): Update comments.
3580         (ix86_expand_builtin): Updated.
3581
3582 2008-04-29  Richard Guenther  <rguenther@suse.de>
3583
3584         PR tree-optimization/36078
3585         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
3586         Update virtual SSA form after cleaning up the CFG.
3587
3588 2008-04-29  Richard Guenther  <rguenther@suse.de>
3589
3590         PR middle-end/15255
3591         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
3592
3593 2008-04-29  Richard Guenther  <rguenther@suse.de>
3594
3595         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
3596         (compute_may_aliases): Do not call finalize_ref_all_pointers.
3597         (compute_flow_insensitive_aliasing): Do not treat
3598         PTR_IS_REF_ALL pointers special.
3599         (get_smt_for): Likewise.
3600         (may_alias_p): Re-structure.
3601         (is_escape_site): A ref-all pointer conversion is not an escape site.
3602         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
3603         PTR_IS_REF_ALL pointers special.
3604         * tree-ssa-structalias.h (struct alias_info): Remove
3605         ref_all_symbol_mem_tag field.
3606         (PTR_IS_REF_ALL): Remove.
3607
3608 2008-04-29  Richard Guenther  <rguenther@suse.de>
3609
3610         PR middle-end/36077
3611         * fold-const.c (extract_muldiv_1): In combining division constants
3612         make sure to never overflow.
3613
3614 2008-04-29  Nick Clifton  <nickc@redhat.com>
3615
3616         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
3617
3618 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3619
3620         PR bootstrap/35169
3621         * optc-gen.awk: Work around HP-UX/IA awk bug.
3622
3623 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
3624
3625         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
3626         2008-04-25 commit.
3627
3628 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
3629
3630         PR target/36073
3631         * config/i386/i386.md
3632         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
3633         Change operand 1 predicate to nonimmediate_operand.
3634
3635 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
3636
3637         PR debug/36060
3638         * dwarf2out.c (struct die_struct): Mark as chain_circular through
3639         die_sub field.
3640         * gengtype.c (walk_type, write_func_for_structure): Handle
3641         chain_circular.
3642         * doc/gty.texi: Document chain_circular.
3643
3644 2008-04-28  Richard Guenther  <rguenther@suse.de>
3645
3646         PR tree-optimization/36066
3647         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
3648         SCEV and loop.
3649
3650 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
3651
3652         PR target/36064
3653         * config/i386/i386.md
3654         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
3655         Use match_scratch instead of match_operand for operands 3 and 4.
3656
3657 2008-04-27  Richard Guenther  <rguenther@suse.de>
3658
3659         PR tree-optimization/18754
3660         PR tree-optimization/34223
3661         * tree-pass.h (pass_complete_unrolli): Declare.
3662         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
3663         loop size before and after unconditionally of UL_NO_GROWTH in effect.
3664         Rewrite loop into loop closed SSA form if it is not already.
3665         (tree_unroll_loops_completely): Re-structure to iterate over
3666         innermost loops with intermediate CFG cleanups.
3667         Unroll outermost loops only if requested or the code does not grow
3668         doing so.
3669         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
3670         loops are available.
3671         (tree_vectorize): Instead do so here.
3672         (tree_complete_unroll): Also unroll outermost loops.
3673         (tree_complete_unroll_inner): New function.
3674         (gate_tree_complete_unroll_inner): Likewise.
3675         (pass_complete_unrolli): New pass.
3676         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
3677         uses outside of the loop.
3678         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
3679         form if it is available.  
3680         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
3681         * passes.c (init_optimization_passes): Schedule complete inner
3682         loop unrolling pass before the first CCP pass after final inlining.
3683
3684 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3685
3686         * targhooks.h (default_emutls_var_fields,
3687         default_emutls_var_init): Declare.
3688         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
3689         * target.h (struct gcc_target): Add struct emutls member.
3690         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
3691         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
3692         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
3693         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
3694         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
3695         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
3696         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
3697         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
3698         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
3699         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
3700         emit debug information.
3701         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
3702         * varasm.c: Include targhooks.h.
3703         (emutls_object_section, emutls_tmpl_section): New.
3704         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
3705         (EMUTLS_SEPARATOR): New.
3706         (prefix_name): New.
3707         (get_emutls_object_name): New.
3708         (default_emutls_var_fields): New, broken out of ...
3709         (get_emutls_object_type): ... here.  Adjust to use target hooks.
3710         (get_emutls_init_templ_addr): Adjust to use target hooks.
3711         (emutls_decl): Adjust to use target hooks.
3712         (emutls_finish): Likewise.
3713         (default_emutls_var_init): New, broken out of ...
3714         (assemble_variable): ... here.  Adjust to use target hooks.
3715         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
3716         SECCAT_EMUTLS_TMPL.
3717         * c-common.c (handle_section_attribute): Prevent overriding
3718         sections for emulated tls with special sections.
3719         * config/i386/i386.c (x86_64_elf_select_section): Add
3720         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
3721         (x86_64_elf_unique_section): Likewise.
3722         * config/vxworks.c: Include tree.h.
3723         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
3724         (vxworks_override_options): Set TLS scheme.
3725         * doc/tm.texi (Emulated TLS): New node.
3726
3727 2008-04-26  Simon Baldwin <simonb@google.com>
3728
3729         PR c/35652
3730         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
3731         with propagated string constants.
3732
3733 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
3734
3735         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
3736         constraint for operand 2 when operand 0 is memory operand.
3737         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
3738         operand 0 is memory operand.
3739         (fix_trunc<mode>_i387_with_temp): Ditto.
3740         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
3741         operand 2 when operand 1 is memory operand.
3742         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
3743         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
3744         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
3745         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3746         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
3747         operands 2,3 and 4 when operand 1 is memory operand.
3748         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
3749         is memory operand.
3750         (fistdi2_floor_with_temp): Ditto.
3751         (fist<mode>2_floor_with_temp): Ditto.
3752         (fistdi2_ceil_with_temp): Ditto.
3753         (fist<mode>2_ceil_with_temp): Ditto.
3754         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
3755
3756 2008-04-26  David Daney  <ddaney@avtrex.com>
3757
3758         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
3759         unspec_volitile.
3760         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
3761         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
3762         UNSPEC_UPDATE_GOT_VERSION): Renumber.
3763         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
3764         (compare_and_swap_12): New insn.
3765         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
3766         * config/mips/mips.c (mips_force_binary): New function.
3767         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
3768         (mips_expand_compare_and_swap_12): New function.
3769         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
3770
3771 2008-04-25  Jan Hubicka  <jh@suse.cz>
3772
3773         PR testsuite/35843
3774         * cfgexpand.c (pass_expand): Turn into RTL pass.
3775         * passes.c (execute_one_pass): Do pass typechecking after execution.
3776         * tree-pass.h (pass_expand): Turn into RTL pass.
3777
3778         * function.h (struct rtl_data): Move here fields
3779         accesses_prior_frames, calls_eh_return, saves_all_registers,
3780         has_nonlocal_goto, has_asm_statement, is_thunk,
3781         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
3782         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
3783         arg_pointer_save_area_init from struct function; turn into bool.
3784         (struct function): Move
3785         calls_eh_return, saves_all_registers, has_nonlocal_goto,
3786         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
3787         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
3788         tail_call_emit, arg_pointer_save_area_init
3789         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
3790         (current_function_returns_struct, current_function_returns_pcc_struct,
3791         current_function_calls_setjmp, current_function_calls_alloca,
3792         current_function_accesses_prior_frames,
3793         current_function_calls_eh_return, current_function_is_thunk,
3794         current_function_stdarg, current_function_profile,
3795         current_function_limit_stack, current_function_uses_pic_offset_table,
3796         current_function_uses_const_pool, current_function_has_nonlocal_label,
3797         current_function_saves_all_registers,
3798         current_function_has_nonlocal_goto,
3799         current_function_has_asm_statement): Remove accesor macros.
3800         * ra-conflict.c (global_conflicts): Update.
3801         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
3802         (suitable_for_tail_call_opt_p): Update.
3803         * builtins.c (expand_builtin_return_addr): Update.
3804         (expand_builtin_setjmp_setup): Update.
3805         (expand_builtin_nonlocal_goto): Update.
3806         * final.c (final_start_function): Update.
3807         (profile_function): Update.
3808         (leaf_function_p): Update.
3809         (only_leaf_regs_used): Update.
3810         * df-scan.c (df_get_exit_block_use_set): Update.
3811         * dojump.c (clear_pending_stack_adjust): Update.
3812         * tree-stdarg.c (gate_optimize_stdarg): Update.
3813         * gimple-low.c (lower_function_body): Update.
3814         * global.c (compute_regsets): Update.
3815         (global_alloc): Update.
3816         * dwarf2out.c (dwarf2out_begin_prologue): Update.
3817         * expr.c (expand_assignment): Update.
3818         * dse.c (dse_step0): Update.
3819         (dse_step1): Update.
3820         * c-decl.c (store_parm_decls): Update.
3821         * local-alloc.c (combine_regs): Update.
3822         (find_free_reg): Update.
3823         * function.c (assign_parms_augmented_arg_list): Update.
3824         (assign_parm_find_data_types): Update.
3825         (assign_parms): Update.
3826         (allocate_struct_function): Update.
3827         (expand_function_start): Update.
3828         (expand_function_end): Update.
3829         (get_arg_pointer_save_area): Update.
3830         (thread_prologue_and_epilogue_insns): Update.
3831         (rest_of_match_asm_constraints): Update.
3832         * stor-layout.c (variable_size): Update.
3833         * gcse.c (gcse_main): Update.
3834         (bypass_jumps): Update.
3835         * gimplify.c (gimplify_function_tree): Update.
3836         * calls.c (emit_call_1): Update.
3837         (expand_call): Update.
3838         * bt-load.c (compute_defs_uses_and_gen): Update.
3839         * except.c (sjlj_assign_call_site_values): Update.
3840         (sjlj_emit_function_enter): Update.
3841         (can_throw_external): Update.
3842         (set_nothrow_function_flags): Update.
3843         (expand_builtin_unwind_init): Update.
3844         (expand_eh_return): Update.
3845         (convert_to_eh_region_ranges): Update.
3846         (output_function_exception_table): Update.
3847         * emit-rtl.c (gen_tmp_stack_mem): Update.
3848         * cfgexpand.c (expand_used_vars): Update.
3849         (tree_expand_cfg): Update.
3850         * cfgcleanup.c (rest_of_handle_jump): Update.
3851         * explow.c (allocate_dynamic_stack_space): Update.
3852         * varasm.c (assemble_start_function): Update.
3853         (force_const_mem): Update.
3854         (mark_constant_pool): Update.
3855         * tree-optimize.c (tree_rest_of_compilation): Update.
3856         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
3857         * tree-cfg.c (notice_special_calls): Update.
3858         (is_ctrl_altering_stmt): Update.
3859         (tree_can_make_abnormal_goto): Update.
3860         (tree_purge_dead_abnormal_call_edges): Update.
3861         * config/alpha/predicates.md: Update.
3862         * config/alpha/alpha.c (alpha_sa_mask): Update.
3863         (alpha_sa_size): Update.
3864         (alpha_does_function_need_gp): Update.
3865         (alpha_expand_prologue): Update.
3866         (alpha_start_function): Update.
3867         (alpha_output_function_end_prologue): Update.
3868         (alpha_expand_epilogue): Update.
3869         * config/frv/frv.c (frv_stack_info): Update.
3870         (frv_expand_epilogue): Update.
3871         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
3872         (s390_register_info): Update.
3873         (s390_frame_info): Update.
3874         (s390_init_frame_layout): Update.
3875         (s390_can_eliminate): Update.
3876         (save_gprs): Update.
3877         * config/spu/spu.c (spu_split_immediate): Update.
3878         (need_to_save_reg): Update.
3879         (spu_expand_prologue): Update.
3880         (spu_expand_epilogue): Update.
3881         * config/sparc/sparc.md: Update.
3882         * config/sparc/sparc.c (eligible_for_return_delay): Update.
3883         (sparc_tls_got): Update.
3884         (legitimize_pic_address): Update.
3885         (sparc_emit_call_insn): Update.
3886         (sparc_expand_prologue): Update.
3887         (output_return): Update.
3888         (print_operand): Update.
3889         (sparc_function_ok_for_sibcall): Update.
3890         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
3891         * config/m32r/m32r.md: Update.
3892         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
3893         (m32r_compute_frame_size): Update.
3894         (m32r_expand_prologue): Update.
3895         (m32r_expand_epilogue): Update.
3896         (m32r_legitimize_pic_address): Update.
3897         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
3898         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
3899         * config/i386/i386.c (ix86_frame_pointer_required): Update.
3900         (gen_push): Update.
3901         (ix86_save_reg): Update.
3902         (ix86_compute_frame_layout): Update.
3903         (ix86_expand_prologue): Update.
3904         (ix86_expand_epilogue): Update.
3905         * config/sh/sh.c (output_stack_adjust): Update.
3906         (calc_live_regs): Update.
3907         (sh5_schedule_saves): Update.
3908         (sh_expand_prologue): Update.
3909         (sh_expand_epilogue): Update.
3910         (sh_setup_incoming_varargs): Update.
3911         (sh_allocate_initial_value): Update.
3912         (sh_get_pr_initial_val): Update.
3913         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
3914         * config/sh/sh.md (label:): Update.
3915         * config/avr/avr.c (out_movhi_mr_r): Update.
3916         * config/crx/crx.h (enum): Update.
3917         * config/xtensa/xtensa.h (along): Update.
3918         * config/stormy16/stormy16.c Update.
3919         (xstormy16_compute_stack_layout): Update.
3920         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
3921         (fr30_expand_prologue): Update.
3922         * config/cris/cris.c (cris_conditional_register_usage): Update.
3923         (cris_reg_saved_in_regsave_area): Update.
3924         (cris_initial_frame_pointer_offset): Update.
3925         (cris_simple_epilogue): Update.
3926         (cris_expand_prologue): Update.
3927         (cris_expand_epilogue): Update.
3928         (cris_expand_pic_call_address): Update.
3929         (cris_asm_output_symbol_ref): Update.
3930         (cris_asm_output_label_ref): Update.
3931         * config/cris/cris.md Update.
3932         * config/iq2000/iq2000.c (compute_frame_size): Update.
3933         (iq2000_expand_epilogue): Update.
3934         * config/mt/mt.h (save_direction): Update.
3935         * config/mn10300/mn10300.c (mn10300_function_value): Update.
3936         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3937         (ia64_secondary_reload_class): Update.
3938         * config/m68k/m68k.c (m68k_save_reg): Update.
3939         (m68k_expand_prologue): Update.
3940         (m68k_expand_epilogue): Update.
3941         (legitimize_pic_address): Update.
3942         * config/rs6000/rs6000.c (rs6000_got_register): Update.
3943         (first_reg_to_save): Update.
3944         (first_altivec_reg_to_save): Update.
3945         (compute_vrsave_mask): Update.
3946         (compute_save_world_info): Update.
3947         (rs6000_stack_info): Update.
3948         (spe_func_has_64bit_regs_p): Update.
3949         (rs6000_ra_ever_killed): Update.
3950         (rs6000_emit_eh_reg_restore): Update.
3951         (rs6000_emit_allocate_stack): Update.
3952         (rs6000_emit_prologue): Update.
3953         (rs6000_emit_epilogue): Update.
3954         (rs6000_output_function_epilogue): Update.
3955         (output_profile_hook): Update.
3956         (rs6000_elf_declare_function_name): Update.
3957         * config/rs6000/rs6000.h (rs6000_args): Update.
3958         * config/rs6000/rs6000.md: Update.
3959         * config/mcore/mcore.c (mcore_expand_prolog): Update.
3960         * config/arc/arc.c (arc_output_function_epilogue): Update.
3961         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
3962         * config/darwin.c (machopic_function_base_name): Update.
3963         * config/score/score3.c (score3_compute_frame_size): Update.
3964         (rpush): Update.
3965         (rpop): Update.
3966         (score3_epilogue): Update.
3967         * config/score/score7.c (score7_compute_frame_size): Update.
3968         (score7_prologue): Update.
3969         (score7_epilogue): Update.
3970         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
3971         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
3972         * config/arm/arm.c (use_return_insn): Update.
3973         (require_pic_register): Update.
3974         (arm_load_pic_register): Update.
3975         (arm_compute_save_reg0_reg12_mask): Update.
3976         (arm_compute_save_reg_mask): Update.
3977         (thumb1_compute_save_reg_mask): Update.
3978         (output_return_instruction): Update.
3979         (arm_output_function_prologue): Update.
3980         (arm_output_epilogue): Update.
3981         (arm_get_frame_offsets): Update.
3982         (arm_expand_prologue): Update.
3983         (thumb_pushpop): Update.
3984         (thumb_exit): Update.
3985         (thumb1_expand_prologue): Update.
3986         (thumb1_expand_epilogue): Update.
3987         (arm_unwind_emit): Update.
3988         (arm_output_fn_unwind): Update.
3989         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
3990         * config/arm/arm.md: Update.
3991         * config/pa/pa.md: Update.
3992         * config/pa/pa.c (legitimize_pic_address): Update.
3993         (compute_frame_size): Update.
3994         (hppa_expand_prologue): Update.
3995         (hppa_expand_epilogue): Update.
3996         (borx_reg_operand): Update.
3997         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
3998         (HARD_REGNO_RENAME_OK): Update.
3999         * config/mips/mips.c (mips_global_pointer): Update.
4000         (mips_save_reg_p): Update.
4001         (mips_compute_frame_info): Update.
4002         (mips_frame_pointer_required): Update.
4003         (mips_expand_prologue): Update.
4004         (mips_expand_epilogue): Update.
4005         (mips_can_use_return_insn): Update.
4006         (mips_reorg_process_insns): Update.
4007         * config/v850/v850.c (compute_register_save_size): Update.
4008         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
4009         * config/mmix/mmix.c (along): Update.
4010         (mmix_expand_epilogue): Update.
4011         * config/bfin/bfin.c (legitimize_pic_address): Update.
4012         (must_save_p): Update.
4013         (stack_frame_needed_p): Update.
4014         (add_to_reg): Update.
4015         (bfin_expand_prologue): Update.
4016         * stmt.c (expand_asm_operands): Update.
4017         * reload1.c (reload): Update.
4018         (init_elim_table): Update.
4019
4020 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
4021         
4022         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
4023         
4024 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4025
4026         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
4027         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
4028         (mov<mode>): Removed.
4029         (*movv4sf_internal): Likewise.
4030         (*movv2df_internal): Likewise.
4031
4032 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
4033
4034         * config.gcc (crx-*-elf): Remove deprecation.
4035
4036 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
4037
4038         * config/i386/cygming-crtend.c (register_frame_ctor): Register
4039         __gcc_deregister_frame with atexit.
4040         (deregister_frame_dtor): Remove.
4041
4042 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
4043             Nathan Sidwell  <nathan@codesourcery.com>
4044
4045         * config/rs6000/rs6000.opt (mspe): Remove Var property.
4046         (misel): Likewise.
4047         * config/rs6000/rs6000.h (rs6000_spe): Declare.
4048         (rs6000_isel): Likewise.
4049         * config/rs6000/rs6000.c (rs6000_spe): New variable.
4050         (rs6000_isel): New variable.
4051         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
4052
4053 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
4054
4055         PR c++/35758
4056         * c-common.c (handle_vector_size_attribute): Call
4057         lang_hooks.types.reconstruct_complex_type instead of
4058         reconstruct_complex_type.
4059         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
4060         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
4061         * langhooks.h (struct lang_hooks_for_types): Add
4062         reconstruct_complex_type hook.
4063         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
4064         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
4065
4066 2008-04-24  Richard Guenther  <rguenther@suse.de>
4067
4068         * c-common.h (check_builtin_function_arguments): Declare.
4069         * c-common.c (validate_nargs): New function.
4070         (check_builtin_function_arguments): Likewise.
4071         * c-typeck.c (build_function_call): Call
4072         check_builtin_function_arguments.
4073         * builtins.c (fold_builtin_classify): Remove error reporting code.
4074         (fold_builtin_unordered_cmp): Likewise.
4075         (fold_builtin_1): Likewise.
4076         (fold_builtin_n): Likewise.
4077
4078 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
4079
4080         PR tree-optimization/36008
4081         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
4082         the original op1, rather than delta by step.
4083
4084 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
4085             Sebastian Pop  <sebastian.pop@amd.com>
4086
4087         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
4088         eliminate_local_variables_stmt, eliminate_local_variables,
4089         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
4090         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
4091         of code delimited by two edges in the CFG.
4092         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
4093         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
4094         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
4095         the case of parallelisation of reductions.
4096         (expr_invariant_in_region_p): New.
4097
4098         * tree-flow.h (gather_blocks_in_sese_region): Declared.
4099         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
4100
4101 2008-04-24  Ira Rosen  <irar@il.ibm.com>
4102             Richard Guenther  <rguenther@suse.de>
4103
4104         PR tree-optimization/36034
4105         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
4106         incapable of dealing with loads with gaps.
4107
4108 2008-04-24  Rafael Espindola  <espindola@google.com>
4109
4110         * tree-flow.h (vrp_evaluate_conditional): Change signature.
4111         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4112         vrp_evaluate_conditional.
4113         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
4114         (vrp_evaluate_conditional): Split the cond argument.
4115         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
4116         (simplify_stmt_for_jump_threading): Update call to
4117         vrp_evaluate_conditional.
4118
4119 2008-04-24  Ira Rosen  <irar@il.ibm.com>
4120
4121         PR tree-optimization/35982
4122         * tree-vect-analyze.c (vect_check_interleaving): Check that the
4123         interleaved data-refs are of the same type.
4124
4125 2008-04-24  Danny Smith  <dannysmith@users.net>
4126
4127         * c-format.c (check_format_info_main): Use strncmp rather than a
4128         magic prefix to handle multichar length specs.
4129         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
4130         Don't prefix "I64" and "I32" with '\0'.
4131
4132 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
4133
4134         PR target/36015
4135         * config/i386/i386.c (init_cumulative_args): Don't pass anything
4136         in registers for -m32 only if stdarg_p (fntype).
4137
4138 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
4139
4140         PR rtl-optimization/36006
4141         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
4142         temp to op0 in order to avoid invalid rtx sharing.
4143
4144 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4145
4146         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
4147         check TREE_INVARIANT.
4148         * tree-gimple.c (is_gimple_address): New.
4149         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
4150         * tree-gimple.h (is_gimple_address): New.
4151         * tree.h (decl_address_invariant_p): New.
4152         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
4153         (build_string): Likewise.
4154         (decl_address_invariant_p): New, from is_gimple_invariant_address.
4155         (tree_invariant_p_1): Likewise.
4156         (save_expr): Use it.
4157         (tree_invariant_p): New.
4158         (skip_simple_arithmetic): Use it.
4159         (stabilize_reference_1): Use it.
4160         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
4161         simplify.
4162         (build1_stat): Drop code to compute TREE_INVARIANT.
4163         (build2_stat): Drop code to compute TREE_INVARIANT.
4164         (build3_stat): Drop code to compute TREE_INVARIANT.
4165         (build4_stat): Drop code to compute TREE_INVARIANT.
4166         (build5_stat): Drop code to compute TREE_INVARIANT.
4167         (build7_stat): Drop code to compute TREE_INVARIANT.
4168         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
4169         * tree.h (struct tree_base): Remove invariant_flag.
4170         (TREE_INVARIANT): Remove.
4171         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
4172         (fold_builtin_expect): Check TREE_CONSTANT.
4173         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
4174         * c-tree.h (c_expr_to_decl): Drop third parameter.
4175         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
4176         (build_c_cast): Don't set TREE_INVARIANT.
4177         (pop_init_level): Don't set TREE_INVARIANT.
4178         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
4179         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
4180         TREE_CONSTANT.
4181         (gimplify_init_constructor): Don't set TREE_INVARIANT.
4182         (gimplify_addr_expr): Adjust comment.
4183         * tree-mudflap.c (mf_build_string):
4184         * print-tree.c (print_node): Don't print TREE_INVARIANT.
4185         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
4186         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
4187         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
4188         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
4189         * langhooks.h (struct lang_hooks): Drop third parameter from
4190         expr_to_decl.
4191
4192 2008-04-23  Richard Guenther  <rguenther@suse.de>
4193
4194         PR tree-optimization/27799
4195         PR tree-optimization/32921
4196         PR tree-optimization/32624
4197         * tree-ssa-structalias.c (merge_smts_into): Only merge the
4198         SMTs aliases and the tag itself into the solution.
4199         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
4200         merge the points-to solution back into the SMT aliases.
4201         (may_alias_p): Use alias_set_subset_of instead of
4202         aliases_conflict_p.  A pointer which points to
4203         memory with alias set zero may access any variable.
4204
4205 2008-04-23  Richard Guenther  <rguenther@suse.de>
4206
4207         * alias.c (alias_set_subset_of): Correctly handle asking
4208         if zero is a subset of an alias set with zero child.
4209         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
4210         (compute_flow_insensitive_aliasing): Correctly walk all
4211         pointers.  Do not unnecessarily union sets.
4212
4213 2008-04-23  Richard Guenther  <rguenther@suse.de>
4214
4215         PR middle-end/36021
4216         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
4217
4218 2008-04-22  Tomas Bily  <tbily@suse.cz>
4219
4220         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
4221         unreachable case.
4222         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
4223         NON_LVALUE_EXPR.
4224         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
4225         * tree-ssa-structalias.c (get_constraint_for): Likewise.
4226         * tree-inline.c (estimate_num_insns_1): Likewise.
4227         * varasm.c (const_hash_1, compare_constant, copy_constant)
4228         (compute_reloc_for_constant, output_addressed_constants): Likewise.
4229         * emit-rtl.c (component_ref_for_mem_expr)
4230         (set_mem_attributes_minus_bitpos): Likewise.
4231         * expr.c (highest_pow2_factor, expand_expr_real_1, )
4232         (is_aligning_offset): Likewise.
4233         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
4234         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
4235         * dojump.c (do_jump): Likewise.
4236         * builtins.c (get_pointer_alignment, get_memory_rtx)
4237         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
4238         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
4239
4240 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
4241
4242         PR rtl-optimization/36017
4243         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
4244         expanding the library call.
4245
4246 2008-04-22  Ian Lance Taylor  <iant@google.com>
4247
4248         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
4249         than size_in_bytes.
4250
4251 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
4252
4253         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
4254         of LR/CTR moves for Power6.
4255
4256 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
4257
4258         PR middle-end/36003
4259         * passes.c (init_optimization_passes): Remove
4260         pass_fast_rtl_byte_dce.
4261         
4262 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
4263
4264         PR target/29096
4265         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
4266         builtin functions to generate faster code.
4267         (_mm_cvtpu16_ps): Ditto.
4268         (_mm_cvtpi32x2_ps): Ditto.
4269
4270 2008-04-22  Nick Clifton  <nickc@redhat.com>
4271
4272         * common.opt (ftree-loop-distribution): Add Optimization
4273         attribute.
4274
4275         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
4276         (frv_expand_builtin_va_start): Likewise.
4277
4278         * config/arm/arm.c (thumb_find_work_register): Fix location of
4279         argument register count.
4280
4281 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
4282
4283         Support scheduling for ColdFire V1 and V3 microarchitecture.
4284         Improve scheduling of multiplication instructions.
4285
4286         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
4287         (mac): New instruction attribute.
4288         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
4289         (m68k_sched_mac): New variable.
4290         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
4291         Handle cfv1 and cfv3.
4292         (max_insn_size): New static variable.
4293         (struct _sched_ib): New type.
4294         (sched_ib): New static variable.
4295         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
4296         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
4297         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
4298         Update.
4299         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
4300         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
4301         new variables.  Update.
4302         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
4303         Add modeling of cfv3 instruction buffer.  Update.
4304         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
4305         * config/m68k/m68k.h (TUNE_CFV3): New macro.
4306         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
4307         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
4308         a particular reservation applies to.
4309         (type2): Reorganize attribute values.  Rename alu to alu_reg,
4310         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
4311         to mul_l and mul_w.
4312         (cf_ib_*): Simplify description of instruction buffer.
4313         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
4314         (cf_mem): Split into cf_mem1 and cf_mem2.
4315         (cf_v2_move_??): Rename to cfv12_alu_??.
4316         (cf_v2_move_l_??): Rename to cfv12_omove_??.
4317         (cf_v2_mul_??): Remove reservations.
4318         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
4319         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
4320         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
4321         appropriate place.
4322         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
4323         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
4324         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
4325         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
4326         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
4327         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
4328         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
4329         expansions of the above reservations for instructions of sizes
4330         1, 2 and 3 words.
4331
4332 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
4333
4334         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
4335
4336 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
4337
4338         * coverage.c: Include tree-pass.h.
4339         (coverage_counter_alloc): Print da_file_name to the dump file.
4340
4341 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
4342
4343         * sbitmap.c (sbitmap_range_empty_p): New function.
4344         * sbitmap.h (sbitmap_range_empty_p): New function.
4345         * bitmap.h: Now includes obstack.h.
4346
4347 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
4348             Kenneth Zadeck  <zadeck@naturalbridge.com>
4349
4350         * dbgcnt.def (ra_byte_scan): Added.
4351         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
4352         when the last hit happens for a counter.  
4353         * timevar.def (TV_DF_BYTE_LR): New variable.
4354         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
4355         * passes.c (pass_fast_rtl_byte_dce): New pass.
4356         * fwprop.c (update_df): Added mode to call df_ref_create.
4357         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
4358         DF_REF_EXTRACT_OFFSET.
4359         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
4360         DF_BYTE_LR_OUT, df_byte_lr): New macro.
4361         (df_mm): New enum.
4362         (df_ref_extract): Added mode field.
4363         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
4364         DF_REF_EXTRACT_OFFSET.
4365         (DF_REF_EXTRACT_MODE): New macro.
4366         (df_byte_lr_bb_info): New structure.
4367         (df_print_byte_regset, df_compute_accessed_bytes, 
4368         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
4369         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
4370         df_byte_lr_simulate_uses,
4371         df_byte_lr_simulate_artificial_refs_at_top,
4372         df_byte_lr_simulate_artificial_refs_at_end,
4373         df_compute_accessed_bytes): New function.
4374         (df_ref_create): Add parameter.
4375         (df_byte_lr_get_bb_info): New inline function.
4376         * df-scan.c (df_ref_record, df_uses_record,
4377         df_ref_create_structure): Added mode parameter.
4378         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
4379         df_defs_record, df_uses_record, df_get_conditional_uses,
4380         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
4381         df_entry_block_defs_collect, df_exit_block_uses_collect):
4382         Added mode parameter to calls to df_ref_record, df_uses_record,
4383         df_ref_create_structure.
4384         (df_ref_equal_p, df_ref_compare): Added test for modes.
4385         (df_ref_create_structure): Added code to set mode.  Renamed
4386         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
4387         DF_REF_EXTRACT_OFFSET.
4388         * df-core.c (df_print_byte_regset): New function.
4389         * df-byte-scan.c: New file.
4390         * df-problems.c (df_rd_transfer_function): Removed unnecessary
4391         calls to BITMAP_FREE.  
4392         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
4393         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
4394         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
4395         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
4396         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
4397         df_byte_lr_local_compute, df_byte_lr_init,
4398         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
4399         df_byte_lr_transfer_function, df_byte_lr_free, 
4400         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
4401         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
4402         df_byte_lr_simulate_uses,
4403         df_byte_lr_simulate_artificial_refs_at_top,
4404         df_byte_lr_simulate_artificial_refs_at_end): New function.
4405         * dce.c (byte_dce_process_block): New function.
4406         (dce_process_block): au is now passed in rather than computed
4407         locally.  Changed loops that look at artificial defs to not look
4408         for conditional or partial ones, because there never are any.  
4409         (fast_dce): Now is able to drive byte_dce_process_block or 
4410         dce_process_block depending on the kind of dce being done.
4411         (rest_of_handle_fast_dce): Add parameter to fast_dce.
4412         (rest_of_handle_fast_byte_dce): New function.
4413         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
4414         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
4415
4416 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
4417
4418         PR fortran/35019
4419         * gcc.h: Added fortran options that take arguments to
4420         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
4421         macros.
4422
4423 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
4424
4425         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
4426         scalarization if on the LHS and not a full access.
4427
4428 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4429
4430         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
4431
4432 2008-04-18  Rafael Espindola  <espindola@google.com>
4433
4434         * tree-vrp.c (find_case_label_index): Fix the binary search.
4435         (find_case_label_range): New.
4436         (vrp_visit_switch_stmt): Use find_case_label_range.
4437         (simplify_switch_using_ranges): Use find_case_label_range.
4438
4439 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
4440
4441         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
4442         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
4443
4444 2008-04-18  Tom Tromey  <tromey@redhat.com>
4445
4446         PR libcpp/15500:
4447         * doc/cpp.texi (Implementation-defined behavior): Mention
4448         -finput-charset.
4449
4450 2008-04-18  Ian Lance Taylor  <iant@google.com>
4451
4452         * fold-const.c (pointer_may_wrap_p): New static function.
4453         (fold_comparison): Add another test for pointer overflow.  Use
4454         pointer_may_wrap_p to disable some false positives.
4455
4456 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
4457           
4458         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
4459         (fname_as_string): Match updated cpp_interpret_string prototype.
4460         (fix_string_type): Support char16_t* and char32_t*.
4461         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
4462         derivative) nodes.  Register as builtin if C++0x.
4463         (c_parse_error): Support CPP_CHAR{16,32}.
4464         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
4465         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
4466         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
4467         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
4468         CTI_CHAR32_ARRAY_TYPE>: New elements.
4469         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
4470         char32_type_node, signed_char32_type_node, char16_array_type_node,
4471         char32_array_type_node): New defines.
4472         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
4473         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
4474         (lex_string): Support CPP_STRING{16,32}, match updated
4475         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
4476         (lex_charconst): Support CPP_CHAR{16,32}.
4477         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
4478         and CPP_STRING{16,32}.
4479
4480 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
4481
4482         PR bootstrap/35457
4483         * aclocal.m4: Regenerate.
4484         * configure: Regenerate.
4485
4486 2008-04-18  Jan Hubicka  <jh@suse.cz>
4487
4488         * except.c (dw2_size_of_call_site_table,
4489         sjlj_size_of_call_site_table): Use vector API for call_site_record.
4490
4491         * cgraphbuild.c (build_cgraph_edges): Update.
4492         * tree-pass.h: Update comment.
4493         * final.c (leaf_function_p): Update.
4494         (leaf_renumber_regs): Update.
4495         (rest_of_clean_state): Update.
4496         * omp-low.c (expand_omp_parallel): Update.
4497         * ipa-reference.c (analyze_function): Update.
4498         * reorg.c (find_end_label): Update.
4499         (optimize_skip): Update.
4500         (fill_simple_delay_slots): Update.
4501         (fill_simple_delay_slots): Update.
4502         (make_return_insns): Update.
4503         (dbr_schedule): Update.
4504         * gimple-low.c (record_vars_into): Update.
4505         * cfgbuild.c (make_edges): Update.
4506         * function.c (assign_stack_local): Update.
4507         (assign_parm_adjust_stack_rtl): Update.
4508         (locate_and_pad_parm): Update.
4509         (allocate_struct_function): Do not initialize stack_alignment_needed
4510         and preferred_stack_boundary here.
4511         (stack_protect_prologue): Update.
4512         (stack_protect_epilogue): Update.
4513         (expand_function_start): Initialize stack_alignment_needed,
4514         preferred_stack_boundary and max_jumptable_ents.
4515         (expand_function_end): Update.
4516         (free_after_compilation): Do not NULLify epilogue_delay_list.
4517         * function.h (struct rtl_data): Add stack_protect_guard,
4518         stack_alignment_needed,
4519         preferred_stack_boundary, epilogue_delay_list.
4520         (struct function): Remove value_histograms, stack_alignment_needed,
4521         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
4522         last_label_uid,
4523         unexpanded_var_list, stack_protect_guard.
4524         (current_function_epilogue_delay_list): Remove.
4525         * ipa-type-escape.c (analyze_function): Update.
4526         * gimplify.c (pop_gimplify_context): Update comment.
4527         * calls.c (expand_call): Update.
4528         (emit_library_call_value_1): Update.
4529         * except.c (set_nothrow_function_flags): Update.
4530         * cfgexpand.c (get_decl_align_unit): Update.
4531         (create_stack_guard): Update.
4532         (estimated_stack_frame_size): Update.
4533         (expand_used_vars): Update.
4534         (tree_expand_cfg): Free histogram earliers, init expansion variables.
4535         * explow.c (allocate_dynamic_stack_space): Update.
4536         * tree-ssa-live.c (remove_unused_locals): Update.
4537         * varasm.c (mark_constant_pool): Update.
4538         * tree-inline.c (remap_decls): Update.
4539         (initialize_cfun): Update.
4540         (declare_return_variable): Update.
4541         (inline_forbidden_p): Update.
4542         (expand_call_inline): Update.
4543         (declare_inline_vars): Update.
4544         (tree_function_versioning): Update.
4545         * tree-flow.h (value_histograms): New.
4546         (VALUE_HISTOGRAMS): New macro.
4547         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
4548         last_label_uid.
4549         * tree-cfg.c (set_bb_for_stmt): Update.
4550         (replace_by_duplicate_decl): Update.
4551         (move_block_to_fn): Update.
4552         (new_label_mapper): Update.
4553         (dump_function_to_file): Update.
4554         * ipa-struct-reorg.c (build_data_structure): Update.
4555         * cfgrtl.c (print_rtl_with_bb): Update.
4556         * reload1.c (reload): Update.
4557         (reload): Update.
4558         * config/i386/i386.c (setup_incoming_varargs_64,
4559         ix86_compute_frame_layout): Update.
4560         * config/arc/arc.c (arc_output_function_epilogue): Update.
4561
4562 2008-04-18  Marius Strobl <marius@FreeBSD.org>
4563
4564         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
4565         for FreeBSD as well.
4566         * gthr-posix95.h: Likewise.
4567
4568 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
4569
4570         PR rtl-optimization/35838
4571         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
4572         out the byte offset of the first subreg.
4573
4574 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
4575
4576         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
4577         to split_ti instead of three separate calls with single member arrays.
4578         (subti3 splitter): Ditto.
4579         (adddi3 splitter): Ditto with split_di.
4580         (subdi3 splitter): Ditto.
4581         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
4582         two separate calls with single member arrays.  Swap match_dup
4583         operands 1 and 2 to better fit into the array.
4584         (negdi2 splitter): Ditto with split_di.
4585         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
4586         two separate calls with single member arrays.  Swap match_dup operands
4587         6 and 7 to better fit into the array.
4588
4589 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
4590
4591         * config/i386/i386.c (sse_builtin_type): New.
4592         (bdesc_sse_args): Likewise.
4593         (bdesc_sse_3arg): Removed.
4594         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
4595         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
4596         IX86_BUILTIN_ROUNDPS.
4597         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
4598         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
4599         IX86_BUILTIN_ROUNDPS.
4600         (ix86_expand_sse_4_operands_builtin): Removed.
4601         (ix86_expand_sse_operands_builtin): New.
4602         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
4603         and CODE_FOR_sse4_1_roundps.
4604         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
4605         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
4606
4607 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
4608
4609         PR target/35907
4610         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
4611         regs before frame pop when needed.  If use_backchain_to_restore_sp
4612         then load backchain into a temp reg to restore vr and vrsave.  Add
4613         code to restore vr after frame pop if possible.
4614
4615 2008-04-17  Richard Guenther  <rguenther@suse.de>
4616
4617         * tree-vn.c (expressions_equal_p): Do not check type
4618         equality or compatibility before calling operand_equal_p.
4619         * fold-const.c (operand_equal_p): Check equivalence of
4620         integer constants before bailing out due to signedness or
4621         precision differences.
4622         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
4623         spurious differences in type qualification.  Ignore types
4624         for COMPONENT_REFs at all.
4625
4626 2008-04-17  Christian Bruel  <christian.bruel@st.com>
4627
4628         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
4629         msw_skip comparison.
4630         
4631 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
4632
4633         PR c/35739
4634         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
4635         reg type.
4636
4637         PR tree-optimization/35899
4638         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
4639         rather than TREE_OPERAND.
4640
4641 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
4642
4643         PR target/35944
4644         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
4645         temporary registers.  Change operand predicate to general_operand.
4646         (remainderxf3): Ditto.
4647
4648 2008-04-16  Richard Guenther  <rguenther@suse.de>
4649
4650         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
4651         * tree-affine.c (aff_combination_expand): Look through some
4652         conversions.
4653
4654 2008-04-15  Doug Kwan  <dougkwan@google.com>
4655
4656         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
4657         for hex printing.
4658         * tree-pretty-print.c (dump_generic_node): Ditto.
4659         * final.c (output_addr_const): Ditto.
4660         * dwarf2out.c (output_cfi): Ditto.
4661         * c-pretty-print.c (pp_c_integer_constant): Ditto.
4662         * print-rtl.c (print_rtx): Ditto.
4663         * print-tree.c (print_node_brief, print_node): Ditto.
4664         * c-common.c (match_case_to_enum_1): Ditto.
4665         * sched-vis.c (print_value): Ditto.
4666         * config/i386/i386.c (print_operand): Cast to long unsigned int
4667         for hex printing.
4668
4669 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
4670         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
4671         MS Windows VirtualProtect function.
4672
4673 2008-04-15  Jan Hubicka  <jh@suse.cz>
4674
4675         * gengtype.c (write_root): Param_is argument is OK.
4676         * expr.c (expand_expr_real_1): Update call of get_exception_*.
4677         * function.h: Include varray.h
4678         (rtl_eh): New stucture based on except.c one.
4679         (call_site_record): New forward declaration and vector type.
4680         * calls.c (emit_call_1): Do not call
4681         note_current_region_may_contain_throw.
4682         * except.c (eh_status): Remove cur_region, try_region since they are
4683         unused.
4684         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
4685         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
4686         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
4687         Remove call_site_data_used, call_site_data_size.
4688         Turn call_site_record into vector in function.h.
4689         (note_current_region_may_contain_throw): Remove.
4690         (get_exception_pointer, get_exception_filter): Do not take struct
4691         function argument; update.
4692         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
4693         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
4694         build_post_landing_pads, dw2_build_landing_pads,
4695         sjlj_assign_call_site_values, sjlj_mark_call_sites,
4696         sjlj_emit_function_enter, sjlj_emit_function_enter, 
4697         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
4698         sjlj_build_landing_pads, finish_eh_generation,
4699         remove_exception_handler_label, remove_eh_handler,
4700         maybe_remove_eh_handler, add_reachable_handler,
4701         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
4702         add_action_record, collect_one_action_chain, add_call_site,
4703         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
4704         sjlj_output_call_site_table, output_function_exception_table,
4705         * except.h (note_current_region_may_contain_throw): Remove
4706         (get_exception_pointer, get_exception_filter): Do not take struct
4707         function argument.
4708         * Makefile.in (GTFILES): Put varargs before struct function.
4709
4710 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
4711
4712         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
4713         punt for STRING_CST.
4714         (get_constraint_for): Deal with STRING_CST here instead.
4715
4716 2008-04-15  Richard Guenther  <rguenther@suse.de>
4717
4718         * tree-ssa-propagate.c (substitute_and_fold): Substitute
4719         statements in a basic-block with a backward walk.  Do not
4720         substitute into dead statements but instead remove those.
4721
4722 2008-04-15  Richard Guenther  <rguenther@suse.de>
4723
4724         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
4725         to zero, thus disable creation of SFTs.
4726
4727 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
4728
4729         * tree-predcom.c (suitable_reference_p): Return false if the
4730         reference can throw.
4731
4732 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
4733
4734         PR c/35751
4735         * c-decl.c (finish_decl): If extern or static var has variable
4736         size, set TREE_TYPE (decl) to error_mark_node.
4737
4738 2008-04-15  Rafael Espindola  <espindola@google.com>
4739
4740         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
4741         variable arg1.
4742
4743 2008-04-15  Richard Guenther  <rguenther@suse.de>
4744
4745         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
4746         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
4747         (visit_reference_op_load): Do walk vuse-vdef chains on
4748         vn_reference_lookup.
4749         (visit_reference_op_store): But do not here.
4750         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
4751         vn_reference_lookup.
4752         (vn_lookup_with_vuses): But do so here.
4753
4754 2008-04-14  Ian Lance Taylor  <iant@google.com>
4755
4756         * fold-const.c (fold_overflow_warning): Remove assertion.
4757
4758 2008-04-15  Ben Elliston  <bje@au.ibm.com>
4759
4760         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
4761         temp1 local variables.
4762
4763 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
4764
4765         PR target/35661
4766         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
4767         ".text.unlikely" section as executable.
4768
4769 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
4770
4771         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4772         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
4773         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
4774         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
4775         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
4776         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
4777         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
4778
4779 2008-04-14  Ian Lance Taylor  <iant@google.com>
4780
4781         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
4782         * fold-const.c (fold_comparison): If appropriate, test
4783         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
4784         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
4785         reassociating a pointer type.
4786         * doc/invoke.texi (Optimize Options): Document that
4787         -fstrict-overflow applies to pointer wraparound.
4788
4789 2008-04-13  Jan Hubicka  <jh@suse.cz>
4790
4791         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
4792
4793 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
4794
4795         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
4796         we are going to "save the world".
4797
4798 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
4799
4800         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
4801         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
4802         operand 0 constraint, not "=".
4803
4804 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
4805
4806         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
4807
4808 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4809
4810         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
4811         of size of positions_needed * CHAR_BIT.
4812
4813 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4814
4815         PR middle-end/35897
4816         * dse.c (store_info): Change positions_needed to unsigned
4817         HOST_WIDE_INT.
4818         (lowpart_bitmask): New.
4819         (record_store): Cast to unsigned HOST_WIDE_INT for
4820         positions_needed.  Assert width <= size of positions_needed *
4821         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
4822         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
4823         lowpart_bitmask to set mask.
4824
4825 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4826
4827         * config/bfin/constraints.md: New file.
4828         * config/bfin/bfin.md: Include it.
4829         (adddi3): Use satisfies_constraint functions instead of the old macros.
4830         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
4831         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
4832         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
4833         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
4834         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
4835         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
4836         EXTRA_CONSTRAINT): Delete.
4837         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
4838         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
4839         of the old macros.
4840         * config/bfin/bfin.c: Include "tm-constrs.h".
4841         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
4842         Use satisfies_constraint functions instead of the old macros.
4843         * doc/md.texi (Blackfin Constraints): Update file name reference.
4844
4845 2008-04-11  Richard Guenther  <rguenther@suse.de>
4846
4847         PR tree-optimization/35869
4848         * tree-vrp.c (execute_vrp): Move switch statement update after
4849         jump threading.  Schedule another cfg cleanup run.
4850
4851 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
4852
4853         PR c/35744
4854         * attribs.c (decl_attributes): Return early on errorneous node.
4855
4856 2008-04-10  Oleg Ryjkov  <olegr@google.com>
4857
4858         * tree.h (struct tree_base): Added a new flag default_def_flag.
4859         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
4860
4861 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4862
4863         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
4864
4865 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4866
4867         PR target/35768
4868         * pa.md: Define mode iterator P.  Define mode attribute dwc.
4869         (dcacheflush): Update pattern to use iterator P and attribute dwc.
4870         (icacheflush): Likewise.
4871         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
4872         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
4873
4874 2008-04-11  Ben Elliston  <bje@au.ibm.com>
4875
4876         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
4877
4878 2008-04-10  Rafael Espindola  <espindola@google.com>
4879
4880         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
4881         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
4882         (extract_range_from_expr): The same.
4883
4884 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
4885
4886         * config/mips/mips.md (GPR2): New mode iterator.
4887         (seq): Add comment.
4888         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
4889         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
4890         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
4891         Rewrite these to take two modes, the mode of comparison and the
4892         mode of the destination.
4893         * config/mips/mips.c (mips_expand_scc): Instead of having
4894         paradoxical subreg as destination, expand "narrowing" scc if mode
4895         of comparison is SI and target is requested in DI mode.
4896         (mips_emit_int_order_test): Update comment.  Make mode of
4897         comparison match CMP0 rather than TARGET.  When creating inverse
4898         target use mode of TARGET.
4899
4900 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
4901
4902         * gcov-dump.c (tag_summary): Only print summaries for the first
4903         GCOV_COUNTERS_SUMMABLE counters.
4904
4905 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
4906
4907         * config/i386/i386.md (absneg): New code iterator.
4908         (absnegprefix): New code attribute.
4909         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
4910         patterns using absneg code iterator.
4911         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
4912         using absneg code iterator.
4913         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
4914         *neg<mode>2 patterns using absneg code iterator.
4915         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
4916         *negextendsfdf2 patterns using absneg code iterator.
4917         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
4918         *negextendsfxf2 patterns using absneg code iterator.
4919         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
4920         *negextendsfdf2 patterns using absneg code iterator.
4921         * config/i386/sse.md (<code><mode>2): Macroize expander from
4922         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
4923
4924 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4925
4926         * config/s390/s390.h: Remove the remains of the recent search
4927         & replace action of current_function_outgoing_args_size.
4928
4929 2008-04-10  Ira Rosen  <irar@il.ibm.com>
4930
4931         PR tree-optimization/35821
4932         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
4933         NEW_STMT_LIST is not NULL.
4934
4935 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
4936
4937         PR libstdc++/35597
4938         * toplev.c (process_options): Remove -ffunction-sections debugging
4939         warning.
4940
4941 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
4942
4943         PR middle-end/PR28690
4944         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
4945         than gen_rtx_fmt_ee to perform more canonicalizations.
4946
4947 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4948
4949         PR driver/35665
4950         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
4951
4952 2008-04-09  Richard Guenther  <rguenther@suse.de>
4953
4954         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
4955         (dump_function_to_file): Dump function arguments with types.
4956
4957 2008-04-08  Richard Guenther  <rguenther@suse.de>
4958
4959         * fold-const.c (fold_widened_comparison): Do not allow
4960         sign-changes that change the result.
4961
4962 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
4963
4964         PR target/35839
4965         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
4966         kinds of indirect references.
4967
4968 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
4969
4970         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
4971         GNU Fortran language string.
4972
4973 2008-04-08  Rafael Espindola  <espindola@google.com>
4974
4975         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
4976         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
4977         * tree.h (tree_call_nonnegative_warnv_p): New.
4978
4979 2008-04-08  Jan Hubicka  <jh@suse.cz>
4980
4981         * function.c (free_after_compilation): Clear out regno_reg_rtx
4982         pointer.
4983
4984 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
4985
4986         Revert
4987         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
4988
4989         PR middle-end/PR28690
4990         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
4991         same precedence as REG_POINTER and MEM_POINTER operands.
4992
4993 2008-04-08  Richard Guenther  <rguenther@suse.de>
4994
4995         PR middle-end/35834
4996         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
4997         for adding index to base.
4998
4999 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
5000
5001         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
5002         (MINGW_ENABLE_EXECUTE_STACK): New.
5003         (IN_LIBGCC2): For libgcc include windows.h file for
5004         function declarations.
5005
5006 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
5007
5008         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
5009         and tem2 if tem1 is not a REG or MULT.
5010
5011 2008-04-08  Jan Hubicka  <jh@suse.cz>
5012
5013         * function.h (incomming_args): Break out of struct function.
5014         (function_subsections): Break out of struct function.
5015         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
5016         return_rtx and hard_reg_initial_vals from struct function.
5017         Kill inl_max_label_num.
5018         (current_function_pops_args, current_function_args_info,
5019         current_function_args_size, current_function_args_size,
5020         current_function_pretend_args_size,
5021         current_function_outgoing_args_size,
5022         current_function_internal_arg_pointer, current_function_return_rtx):
5023         Kill compatibility accestor macros.
5024         * builtins.c (expand_builtin_apply_args_1): Update.
5025         (expand_builtin_next_arg): Update.
5026         * df-scan.c (df_get_call_refs): Update.
5027         * dbxout.c (dbxout_function_end): Update.
5028         * dwarf2out.c (dwarf2out_switch_text_section): Update.
5029         (output_line_info): Update.
5030         (secname_for_decl): Update.
5031         (dwarf2out_var_location): Update.
5032         * function.c (free_after_compilation): Update.
5033         (assign_parm_find_stack_rtl): Update.
5034         (assign_parms): Update.
5035         (expand_dummy_function_end): Update.
5036         (expand_function_end): Update.
5037         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
5038         (expand_call): Update.
5039         (emit_library_call_value_1): Update.
5040         (store_one_arg): Update.
5041         * varasm.c (initialize_cold_section_name): Update.
5042         (unlikely_text_section): Update.
5043         (unlikely_text_section_p): Update.
5044         (assemble_start_function): Update.
5045         (assemble_end_function): Update.
5046         (default_section_type_flags): Update.
5047         (switch_to_section): Update.
5048         * integrate.c (set_decl_abstract_flags): Update.
5049         (get_hard_reg_initial_val): Update.
5050         (has_hard_reg_initial_val): Update.
5051         (allocate_initial_values): Update.
5052         * resource.c (init_resource_info): Update.
5053         * config/alpha/alpha.c (NUM_ARGS): Update.
5054         (direct_return): Update.
5055         (alpha_va_start): Update.
5056         (alpha_sa_size): Update.
5057         (alpha_initial_elimination_offset): Update.
5058         (alpha_expand_prologue): Update.
5059         (alpha_start_function): Update.
5060         (alpha_expand_epilogue): Update.
5061         (unicosmk_initial_elimination_offset):
5062         * config/alpha/alpha.md (call expander): Update.
5063         * config/s390/s390.c (s390_register_info): Update.
5064         (s390_register_info): Update.
5065         (s390_frame_info): Update.
5066         (s390_initial_elimination_offset): Update.
5067         (s390_build_builtin_va_list): Update.
5068         (s390_va_start): Update.
5069         * config/spu/spu.c (direct_return): Update.
5070         (spu_expand_prologue): Update.
5071         (spu_initial_elimination_offset): Update.
5072         (spu_build_builtin_va_list): Update.
5073         (spu_va_start): Update.
5074         * config/sparc/sparc.c (sparc_init_modes): Update.
5075         (sparc_compute_frame_size): Update.
5076         (function_value): Update.
5077         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
5078         * config/i386/i386.md (return expander): Update.
5079         * config/i386/i386.c (ix86_va_start): Update.
5080         (ix86_can_use_return_insn_p): Update.
5081         (ix86_compute_frame_layout): Update.
5082         (ix86_expand_epilogue): Update.
5083         * config/sh/sh.c (output_stack_adjust): Update.
5084         (calc_live_regs): Update.
5085         (sh_expand_prologue): Update.
5086         (sh_builtin_saveregs): Update.
5087         (sh_va_start): Update.
5088         (initial_elimination_offset): Update.
5089         (sh_allocate_initial_value): Update.
5090         (sh_function_ok_for_sibcall): Update.
5091         (sh_get_pr_initial_val): Update.
5092         * config/sh/sh.md (return expander): Update.
5093         * config/avr/avr.c (frame_pointer_required_p): UPdate.
5094         * config/crx/crx.c (crx_compute_frame): UPdate.
5095         (crx_initial_elimination_offset): UPdate.
5096         * config/xtensa/xtensa.c (compute_frame_size): Update
5097         (xtensa_builtin_saveregs): Update.
5098         (xtensa_va_start): Update.
5099         (order_regs_for_local_alloc): Update.
5100         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
5101         (xstormy16_expand_builtin_va_start): Update.
5102         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
5103         * config/m68hc11/m68hc11.md (return expanders): Update.
5104         * config/m68hc11/m68hc11.c (expand_prologue): Update.
5105         (expand_epilogue): Update.
5106         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
5107         (cris_simple_epilogue): Update.
5108         (cris_expand_prologue): Update.
5109         (cris_expand_epilogue): Update.
5110         * config/iq2000/iq2000.c (iq2000_va_start): Update.
5111         (compute_frame_size): Update.
5112         * config/mt/mt.c (mt_compute_frame_size): Update.
5113         * config/mn10300/mn10300.c (expand_prologue): Update.
5114         (expand_epilogue): Update.
5115         (initial_offset): Update.
5116         (mn10300_builtin_saveregs):
5117         * config/mn10300/mn10300.md (return expander): Update.
5118         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
5119         (ia64_initial_elimination_offset): Update.
5120         (ia64_initial_elimination_offset): Update.
5121         (ia64_expand_prologue): Update.
5122         * config/m68k/m68k.md (return expander): Update.
5123         * config/rs6000/rs6000.c (rs6000_va_start): Update.
5124         (rs6000_stack_info): Update.
5125         * config/mcore/mcore.c (layout_mcore_frame): Update.
5126         (mcore_expand_prolog): Update.
5127         * config/arc/arc.c (arc_compute_frame_size): Update.
5128         * config/score/score3.c (score3_compute_frame_size): Update.
5129         * config/score/score7.c (score7_compute_frame_size): Update.
5130         * config/arm/arm.c (use_return_insn): Update.
5131         (thumb_find_work_register): Update.
5132         (arm_compute_save_reg_mask): Update.
5133         (arm_output_function_prologue): Update.
5134         (arm_output_epilogue): Update.
5135         (arm_size_return_regs): Update.
5136         (arm_get_frame_offsets): Update.
5137         (arm_expand_prologue): Update.
5138         (thumb_exit): Update.
5139         (thumb_unexpanded_epilogue): Update.
5140         (thumb1_output_function_prologue): Update.
5141         * config/pa/pa.md (return expander): Update.
5142         * config/pa/pa.c (compute_frame_size): Update.
5143         (hppa_builtin_saveregs): Update.
5144         * config/mips/mips.c (mips_va_start): Update.
5145         (mips16_build_function_stub): Update.
5146         (mips_compute_frame_info): Update.
5147         (mips_restore_gp): Update.
5148         (mips_output_function_prologue): Update.
5149         (mips_expand_prologue): Update.
5150         * config/v850/v850.c (compute_frame_size): Update.
5151         (expand_prologue): * config/mmix/mmix.c (along): update.
5152         (mmix_initial_elimination_offset): update.
5153         (mmix_reorg): update.
5154         (mmix_use_simple_return): update.
5155         (mmix_expand_prologue): update.
5156         (mmix_expand_epilogue): Update.
5157         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
5158         (emit_link_insn): Update.
5159
5160 2008-04-08  Anatoly Sokolov <aesok@post.ru>
5161
5162         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
5163         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
5164         instructions.
5165         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
5166         atmega103 device.
5167
5168 2008-04-07  Jan Hubicka  <jh@suse.cz>
5169
5170         * function.h (rtl): Rename to x_rtl.
5171         (crtl): New define.
5172         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
5173         frame_offset, stack_check_probe_note, arg_pointer_save_area,
5174         used_temp_slots avail_temp_slots, temp_slot_level,
5175         nonlocal_goto_handler_labels): Update accesstors.
5176         (rtl): New global variable.
5177         (struct function): Move some fileds to rtl_data.
5178         (get_arg_pointer_save_area): Update prototype.
5179         * builtins.c (expand_builtin_setjmp_receiver): Update call of
5180         get_arg_pointer_save_area.
5181         * expr.c (init_expr): Update
5182         * function.c (get_frame_size): Update
5183         (assign_stack_local): Update
5184         (expand_function_end): Update.
5185         (get_art_pointer_save_area): Update
5186         * function.h 
5187         * emit-rtl.c (rtl): Declare.
5188         (regno_reg_rtx): Declare.
5189         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
5190         Update.
5191         (gen_reg_rtx): Update.
5192         * varasm.c (n_deferred_constatns): Update accestor.
5193         (init_varasm_status): Do not allocate varasm_status.
5194         (force_const_mem, get_pool_size, output_constant_pool): Update.
5195         * stmt.c (force_label_rtx): Do not use x_ prefixes.
5196         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
5197         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
5198         * sparc/sparc.h (INIT_EXPANDERS): Update.
5199         * ia64/ia64.h (INIT_EXPANDERS): Update.
5200
5201 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
5202
5203         * reload.c (push_secondary_reload): Add missing break to for loop.
5204
5205 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
5206
5207         PR middle-end/PR28690
5208         * rtlanal.c: Update copyright years.
5209         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
5210         as REG_POINTER and MEM_POINTER operands.
5211         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
5212         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
5213         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
5214         * gcse.c: Update copyright years.
5215         (pre_delete): Call gen_reg_rtx_and_attrs.
5216         (hoist_code): Likewise.
5217         (build_store_vectors): Likewise.
5218         (delete_store): Likewise.
5219         * loop-invariant.c (move_invariant_reg): Likewise.
5220         Update copyright years.
5221
5222 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
5223
5224         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
5225         control string instead of quoted.
5226
5227 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
5228
5229         * doc/rtl.texi: Rewrite of subreg section.
5230
5231 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
5232
5233         PR/35842
5234         * config/i386/i386.c (legitimize_pic_address): Add treating
5235         of dllimport SYM_REF's.
5236         (legitimize_dllimport_symbol): Add prototype.
5237
5238 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
5239
5240         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
5241         reference in constructor with non self-referential type.
5242
5243 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
5244
5245         Removal of Return with Depressed Stack Pointer support
5246         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
5247         (ECF_SP_DEPRESSED): Likewise.
5248         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
5249         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
5250         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
5251         (expand_call): Do not test ECF_SP_DEPRESSED.
5252         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
5253         * function.c (keep_stack_depressed): Delete.
5254         (handle_epilogue_set): Likewise.
5255         (update_epilogue_consts): Likewise.
5256         (emit_equiv_load): Likewise.
5257         (thread_prologue_and_epilogue_insns): Remove support for Return with
5258         Depressed Stack Pointer.
5259         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
5260
5261 2008-04-06  Richard Guenther  <rguenther@suse.de>
5262
5263         PR tree-optimization/35400
5264         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
5265         information from SSA_NAMEs.
5266
5267 2008-04-06  Anatoly Sokolov <aesok@post.ru>
5268
5269         * config/avr/avr.h (avr_mega_p): Remove declaration.
5270         (AVR_MEGA): Remove macro.
5271         * config/avr/avr.c (avr_mega_p): Remove variable.
5272         (avr_override_options): Remove inicializion of avr_mega_p.
5273         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
5274         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
5275         (avr_jump_mode): (Ditto.).
5276         (avr_output_progmem_section_asm_op): (Ditto.).
5277         (avr_asm_init_sections): (Ditto.).
5278         (avr_asm_init_sections): (Ditto.).
5279         (avr_rtx_costs): (Ditto.).
5280         * config/avr/avr.md: (Ditto.).
5281         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
5282         '__AVR_MEGA__'.
5283
5284 2008-04-06  Richard Guenther  <rguenther@suse.de>
5285
5286         PR tree-optimization/35842
5287         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
5288         is_gimple_invariant_address.
5289
5290 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
5291
5292         * gcc.c (default_compilers): Sync Fortran extensions list with
5293         that in fortran/lang-specs.h.
5294         * doc/invoke.texi: Likewise.
5295         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
5296         * dwarf2out.c (gen_compile_unit_die): Likewise.
5297
5298 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
5299
5300         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
5301
5302 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
5303
5304         PR target/12329
5305         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
5306         attribute is used for nested functions.
5307
5308 2008-04-05  Jan Hubicka  <jh@suse.cz>
5309
5310         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
5311
5312         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
5313         letter argument.
5314         (dump_files): Update.
5315         (enable_rtl_dump_file): Do not accept letter argument.
5316         * tree-pass.h (dump_file_info): Remove letter argument.
5317         * toplev.c (decode_d_option): Update -da handling.
5318         * toplev.h (enable_rtl_dump_file): Update prototype.
5319         * passes.c (register_one_dump_file): Do not accept IPA argument; work
5320         it out based on pass type.
5321         (register_dump_files_1): Likewise.
5322         (init_optimization_passes): Update register_one_dump_file calls.
5323         (execute_one_pass): Sanity check that IPA passes are called at IPA
5324         level and RTL passes at RTL level.
5325         (execute_pass_list): IPA pass can not be after or subpass of
5326         GIMPLE/RTL pass.
5327         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
5328         disallov RTL subpasses of IPA subpasses.
5329
5330 2008-04-05  Ben Elliston  <bje@au.ibm.com>
5331
5332         * tree-cfg.c (need_fake_edge_p): Return false for calls to
5333         builtins that return exactly once and do not throw. Cache call to
5334         call_expr_flags.
5335
5336 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
5337
5338         PR rtl-optimization/34916
5339         PR middle-end/35519
5340         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
5341         between instruction pairs.
5342
5343 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
5344
5345         * doc/invoke.texi: Document -mbitops for SH.
5346         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
5347         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
5348         * config/sh/sh.c (print_operand): Add %t operand code.
5349         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
5350         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
5351         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
5352         (extendqihi2): Likewise.
5353         (movqi_i): Likewise.
5354         (insv): Use bset, bclr and bst instructions for SH2A if possible.
5355         (extv): Use bld instruction for SH2A if possible.
5356         (extzv): Likewise.
5357         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
5358         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
5359         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
5360         (bset.b, bclr.b): Define peepholes.
5361         * config/sh/sh.opt (mbitops): New option.
5362
5363 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
5364
5365         PR target/35620
5366         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
5367         and view convert expression.
5368
5369 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
5370
5371         PR target/35364
5372         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
5373
5374 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
5375
5376         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
5377
5378         * config/i386/cpuid.h (bit_AES): New.
5379         (bit_PCLMUL): Likewise.
5380
5381         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
5382         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
5383         SSE2 if AES or PCLMUL is enabled.
5384         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
5385         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
5386         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
5387         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
5388         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
5389         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
5390         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
5391         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
5392         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
5393         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
5394         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
5395         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
5396         __builtin_ia32_aeskeygenassist128 and
5397         __builtin_ia32_pclmulqdq128.
5398         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
5399         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
5400         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
5401
5402         * config/i386/i386.h (TARGET_AES): New.
5403         (TARGET_PCLMUL): Likewise.
5404         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
5405
5406         * config/i386/i386.md (UNSPEC_AESENC): New.
5407         (UNSPEC_AESENCLAST): Likewise.
5408         (UNSPEC_AESDEC): Likewise.
5409         (UNSPEC_AESDECLAST): Likewise.
5410         (UNSPEC_AESIMC): Likewise.
5411         (UNSPEC_AESKEYGENASSIST): Likewise.
5412         (UNSPEC_PCLMUL): Likewise.
5413
5414         * config/i386/i386.opt (maes): New.
5415         (mpclmul): Likewise.
5416
5417         * config/i386/sse.md (aesenc): New pattern.
5418         (aesenclast): Likewise.
5419         (aesdec): Likewise.
5420         (aesdeclast): Likewise.
5421         (aesimc): Likewise.
5422         (aeskeygenassist): Likewise.
5423         (pclmulqdq): Likewise.
5424
5425         * config/i386/wmmintrin.h: New.
5426
5427         * doc/extend.texi: Document AES and PCLMUL built-in function.
5428
5429         * doc/invoke.texi: Document -maes and -mpclmul.
5430
5431 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
5432
5433         * function.c (free_after_parsing): Replace with
5434         cxx_push_function_context from C++ front-end.
5435         (allocate_struct_function): Don't call langhook.
5436         * langhooks.h (struct lang_hooks_for_functions): Delete.
5437         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
5438         member "function".
5439         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
5440         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
5441         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
5442         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
5443         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
5444         remove LANG_HOOKS_FUNCTION_INITIALIZER.
5445         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
5446
5447         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
5448         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
5449         
5450 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
5451
5452         PR c/35440
5453         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
5454         for all types.
5455
5456 2008-04-04  Richard Guenther  <rguenther@suse.de>
5457
5458         PR middle-end/35823
5459         * fold-const.c (optimize_minmax_comparison): Use the correct
5460         type for the constant in the simplified comparison.
5461
5462 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
5463
5464         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
5465         Pass L2 size as "--param l2-cache-size" to the compiler.
5466         (decode_l2_cache): New function to decode L2 cache parameters using
5467         0x8000006 extended cpuid function.
5468         (detect_caches_amd): Determine parameters of L2 cache using
5469         decode_l2_caches function.
5470         (decode_caches_intel): Decode L2 cache parameters.
5471         (detect_caches_intel): Determine L2 cache parameters using
5472         decode_caches_intel and decode_l2_caches functions.
5473
5474 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
5475
5476         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
5477         secondary input reload for subword loads from the constant pool.
5478
5479 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
5480
5481         PR target/35713
5482         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
5483           constants of the appropriate size for runtime calculations.
5484
5485         PR c/35712
5486         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
5487           decimal-float literal constant zero.
5488
5489 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
5490
5491         PR c/35738
5492         * c-parser.c (c_parser_omp_atomic): Call
5493         default_function_array_conversion on the RHS.
5494
5495         PR middle-end/35818
5496         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
5497         call is_variable_sized if decl has incomplete type.
5498
5499 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
5500
5501         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
5502
5503 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
5504
5505         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
5506         iterators.
5507         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
5508         (sgt<u>): Merge sgt and sgtu into new expander.
5509         (sgt, sgtu): Remove expanders.
5510         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
5511         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
5512         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
5513         *sgtu_<mode>_mips16 into new pattern.
5514         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
5515         (sge<u>): Merge sge and sgeu into new expander.
5516         (sge, sgeu): Remove expanders.
5517         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
5518         new pattern.
5519         (*sge_<mode>, second *sge_<mode>): Remove patterns.
5520         (slt<u>): Merge slt and sltu into new expander.
5521         (slt, sltu): Remove expanders.
5522         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
5523         (*slt_<mode>, *sltu_<mode>): Remove patterns.
5524         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
5525         *sltu_<mode>_mips16 into new pattern.
5526         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
5527         (sle<u>): Merge sle and sleu into new expander.
5528         (sle, sleu): Remove expanders.
5529         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
5530         (*sle_<mode>, *sleu_<mode>): Remove patterns.
5531         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
5532         *sleu_<mode>_mips16 into new pattern.
5533         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
5534
5535 2008-04-03  Jan Hubicka  <jh@suse.cz>
5536
5537         PR tree-optimization/35795
5538         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
5539         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
5540         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
5541         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
5542         * score/score3.c (score3_output_mi_thunk): Likewise.
5543         * score/score7.c (score7_output_mi_thunk): Likewise.
5544         * mips/mips.c (mips_output_mi_thunk): Likewise.
5545
5546 2008-04-03  Richard Guenther  <rguenther@suse.de>
5547
5548         * tree-vrp.c (extract_range_from_unary_expr): Handle all
5549         conversions.  Simplify code.
5550
5551 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5552
5553         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
5554
5555 2008-04-03  Tom Tromey  <tromey@redhat.com>
5556             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5557
5558         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5559         * config/bfin/t-bfin-linux (generated_files): Add
5560         linux-sysroot-suffix.h.
5561         * doc/install.texi (Prerequisites): Require make 3.80.
5562         * doc/sourcebuild.texi (Front End Directory): Document new
5563         variable.
5564         * Makefile.in (generated_files): New variable.
5565         (ALL_HOST_OBJS): New variable.
5566         ($(ALL_HOST_OBJS)): New target.
5567
5568 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
5569
5570         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
5571         (remap_block): Call id->transform_lang_insert_block instead
5572         of langhook.
5573         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
5574         Set id.transform_lang_insert_block to NULL.
5575         (clone_body): Move to cp/optimize.c
5576         * tree-inline.h (struct copy_body_data): Change
5577         transform_lang_insert_block to function pointer.
5578         (copy_generic_body, copy_decl_no_change): Export.
5579         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
5580         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
5581         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
5582
5583         * c-tree.h (insert_block): Kill.
5584         * c-decl.c (insert_block): Kill.
5585
5586 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
5587
5588         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
5589         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
5590         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
5591         argument.
5592         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
5593         argument, call {push,pop}_function_context from here.
5594         * c-parser.c: Use c_{push,pop}_function_context.
5595
5596         * function.c (push_function_context_to): Move meat ...
5597         (push_function_context): ... here.  Simplify.
5598         * function.c (pop_function_context_from): Move meat ...
5599         (pop_function_context): ... here.  Simplify.
5600         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
5601         leave_nested).
5602         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
5603         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
5604         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
5605         * tree.h (push_function_context_to, pop_function_context_from): Remove.
5606
5607 2008-04-03  Ben Elliston  <bje@au.ibm.com>
5608
5609         * expmed.c (extract_force_align_mem_bit_field): Remove.
5610
5611 2008-04-03  Richard Guenther  <rguenther@suse.de>
5612
5613         PR middle-end/35800
5614         * expr.h (try_casesi): Adjust prototype.
5615         * expr.c (try_casesi): Take fallback label as extra parameter.
5616         Use that for gen_casesi if default_label is NULL.
5617         * stmt.c (expand_case): Pass fallback label to try_casesi,
5618         make sure to fill gaps with a fallback label if default_label
5619         is not present.
5620
5621 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
5622
5623         PR target/35801
5624         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
5625
5626 2008-04-03  Ben Elliston  <bje@au.ibm.com>
5627
5628         * expmed.c (extract_split_bit_field): Remove if (0) code.
5629         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
5630         (do_ds_constraint): Likewise.
5631
5632 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
5633
5634         * doc/cppopts.texi (-dU): Document.
5635         * c-common.h (flag_dump_macros): Update comment.
5636         * c-opts.c (handle_OPT_d): Handle -dU.
5637         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
5638         dump_queued_macros, cb_used_define, cb_used_undef): New.
5639         (init_pp_output): Handle -dU.
5640         (cb_line_change): Call dump_queued_macros.
5641         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
5642
5643 2008-04-02  Anatoly Sokolov <aesok@post.ru>
5644
5645         * config/avr/predicates.md (io_address_operand): New predicate. 
5646         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
5647         * config/avr/avr.c (avr_io_address_p): Remove function.
5648         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
5649         'avr_io_address_p' function.
5650         (out_movhi_r_mr): (Ditto.).
5651         (out_movqi_mr_r): (Ditto.).
5652         (out_movhi_mr_r): (Ditto.).
5653         (avr_address_cost): (Ditto.).
5654
5655 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
5656
5657         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
5658         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
5659         in 32bit mode when XMM registers are available to avoid store
5660         forwarding stalls.
5661         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
5662         corresponding post-reload splitters.
5663
5664 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5665
5666         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
5667         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
5668         __builtin_ia32_roundss.
5669         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
5670         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
5671         __builtin_ia32_roundss.
5672         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
5673         IX86_BUILTIN_SHUFPD here.
5674
5675 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5676
5677         * config/i386/i386.md (plogic): New.
5678         (plogicprefix): Likewise.
5679
5680         * config/i386/mmx.md (mmx_<code><mode>3): New.
5681         (mmx_and<mode>3): Removed.
5682         (mmx_ior<mode>3): Likewise.
5683         (mmx_xor<mode>3): Likewise.
5684
5685         * config/i386/sse.md (<code><mode>3): New.
5686         (*<code><mode>3): Likewise.
5687         (*<code><mode>3): Likewise.
5688         (<code><mode>3): Likewise.
5689         (*sse_<code><mode>3): Likewise.
5690         (*sse2_<code><mode>3): Likewise.
5691         (<code>tf3): Likewise.
5692         (*<code>tf3): Likewise.
5693         (and<mode>3): Likewise.
5694         (*and<mode>3): Likewise.
5695         (ior<mode>3): Removed.
5696         (*ior<mode>3): Likewise.
5697         (xor<mode>3): Likewise.
5698         (*xor<mode>3): Likewise.
5699         (*and<mode>3): Likewise.
5700         (*ior<mode>3): Likewise.
5701         (*xor<mode>3): Likewise.
5702         (and<mode>3): Likewise.
5703         (*sse_and<mode>3): Likewise.
5704         (*sse2_and<mode>3): Likewise.
5705         (andtf3): Likewise.
5706         (*andtf3): Likewise.
5707         (ior<mode>3): Likewise.
5708         (*sse_ior<mode>3): Likewise.
5709         (*sse2_ior<mode>3): Likewise.
5710         (iortf3): Likewise.
5711         (*iortf3): Likewise.
5712         (xor<mode>3): Likewise.
5713         (*sse_xor<mode>3): Likewise.
5714         (*sse2_xor<mode>3): Likewise.
5715         (xortf3): Likewise.
5716         (*xortf3): Likewise.
5717
5718 2008-04-02  Richard Guenther  <rguenther@suse.de>
5719
5720         PR tree-optimization/14495
5721         PR tree-optimization/34793
5722         * tree-vrp.c (struct switch_update): New structure.
5723         (to_remove_edges, to_update_switch_stmts): New VECs.
5724         (simplify_switch_using_ranges): New function.  Remove not taken
5725         case labels and edges.
5726         (simplify_stmt_using_ranges): Call it.
5727         (identify_jump_threads): Mark edges we have queued for removal
5728         so we don't thread them.
5729         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
5730         case label vector.
5731         * tree-cfg.c (group_case_labels): Deal with missing default label.
5732         (tree_verify_flow_info): Allow missing default label.
5733         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
5734         (emit_case_nodes): Likewise.
5735         (expand_case): Do not rely on the default label to be present.
5736         * expr.c (try_casesi): Deal with NULL default_label.
5737         (do_tablejump): Likewise.
5738
5739 2008-04-02  Richard Guenther  <rguenther@suse.de>
5740
5741         PR tree-optimization/14495
5742         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
5743         SWITCH_EXPR here ...
5744         (vrp_visit_switch_stmt): ... but here (new function).
5745         (find_case_label_index): New helper function.
5746         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
5747
5748 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5749
5750         * fwprop.c: Fix ISO-C99ism.
5751
5752 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5753
5754         PR bootstrap/35752
5755         * Makefile.in (objdir): Set it here.
5756         * configure.ac: Not here.  Find dynamic linker characteristics.
5757         * exec-tool.in: Use them.
5758         * aclocal.m4: Regenerate.
5759         * configure: Regenerate.
5760
5761 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5762
5763         * expr.c (expand_var): Delete it.
5764         * expr.h (expand_var): Delete prototype.
5765         * function.c (expand_function_start): Use expand_decl instead.
5766         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
5767         langhook.
5768
5769 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
5770
5771         PR rtl-optimization/35542
5772         * fwprop.c (forward_propagate_and_simplify): Replace
5773         loc_reg_mentioned_in_p with reg_mentioned_p.
5774
5775 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5776
5777         PR rtl-optimization/35281
5778         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
5779         (propagate_rtx_1): Handle PR_HANDLE_MEM.
5780         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
5781         (varying_mem_p): Move above propagate_rtx.
5782         (all_uses_available_at): Do not check MEMs.
5783
5784 2008-04-02  Rafael Espindola  <espindola@google.com>
5785
5786         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
5787         (register_edge_assert_for_2): Split the cond argument.
5788         (register_edge_assert_for_1): Adjust for the change in
5789         register_edge_assert_for_2.
5790         (register_edge_assert_for): Split the cond argument.
5791         (find_switch_asserts): Adjust for the change in
5792         register_edge_assert_for.
5793
5794 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
5795
5796         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
5797         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
5798         offsets for 64-bit mingw.
5799         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
5800         abi for x86_64-pc-mingw.
5801
5802 2008-04-02  Richard Guenther  <rguenther@suse.de>
5803
5804         * tree-vrp.c (extract_range_from_assert): Make sure to not
5805         produce range min/max with TREE_OVERFOW set.
5806         If merging a anti-range and a range keep the anti-range if
5807         the range covers all values of the type.
5808         (register_edge_assert_for_2): Only allow sign-changing
5809         conversions in detecting canonical range checks.  Also
5810         register an assert for the unsigned name if useful.
5811
5812         PR tree-optimization/35787
5813         * tree-vrp.c (vrp_val_max): New function.
5814         (vrp_val_min): Likewise.
5815         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
5816         (vrp_val_is_min): Likewise.
5817         (supports_overflow_infinity): Use vrp_val_{min,max}.
5818         (negative_overflow_infinity): Likewise.
5819         (positive_overflow_infinity): Likewise.
5820         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
5821         (is_positive_overflow_infinity): Likewise.
5822         (is_overflow_infinity): Likewise.
5823         (avoid_overflow_infinity): Use vrp_val_{min,max} and
5824         vrp_val_is_{min,max}.
5825         (set_and_canonicalize_value_range): Canonicalize anti-ranges
5826         to ranges if possible.  Avoid empty ranges.
5827
5828 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5829
5830         PR middle-end/35705
5831         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
5832         the expression is a function address.
5833
5834 2008-04-01  George Helffrich  <george@gcc.gnu.org>
5835
5836         PR fortran/35154, fortran/23057
5837         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
5838         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
5839         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
5840         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
5841         in common.
5842         (dbxout_syms): Check for COMMON-based symbol and wrap in
5843         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
5844         in bracket for efficiency.
5845
5846         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
5847         using DW_TAG_common_block + member offset.
5848         (add_pubname_string): New function.
5849         (dw_expand_expr): New function to find block name and offset for
5850         COMMON var.
5851         (common_check): New function to check whether symbol in Fortran COMMON.
5852         (gen_variable_die): If COMMON, use DW_TAG_common_block.
5853
5854 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
5855
5856         PR c/35436
5857         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
5858
5859 2008-04-02  Ben Elliston  <bje@au.ibm.com>
5860
5861         * config/v850/v850.md (casesi): Remove if (0) code.
5862         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
5863         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
5864
5865 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
5866
5867         * config/i386/i386.md (rex64suffix): New mode attribute.
5868         (floathi<mode>2): Disable expander for SSE math.
5869         (*floathi<mode>2_1): New insn insn_and_split pattern.
5870         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
5871         corresponding post-reload splitters.
5872         (*floathi<mode>2_i387): New macroized insn pattern.
5873         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
5874         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
5875         insn_and_split pattern.
5876         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
5877         New macroized instruction patterns and corresponding post-reload
5878         splitters.
5879         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
5880         and corresponding post-reload splitters.
5881         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
5882         New macroized instruction patterns.
5883         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
5884         macroized instruction patterns and corresponding post-reload splitters.
5885         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
5886         corresponding post-reload splitters.
5887         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
5888         New macroized instruction patterns.
5889         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
5890         corresponding post-reload splitters.
5891         (*floatsi<mode>2_i387): New macroized instruction patterns.
5892
5893 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
5894
5895         * config/i386/i386.md (smaxmin): New.
5896         (umaxmin): Likewise.
5897         (maxminiprefix): Likewise.
5898         (maxminfprefix): Likewise.
5899         (<code><mode>3): Likewise.
5900         (smin<mode>3): Removed.
5901         (smax<mode>3): Likewise.
5902
5903         * config/i386/mmx.md (mmx_<code>v2sf3): New.
5904         (mmx_<code>v4hi3): Likewise.
5905         (mmx_<code>v8qi3): Likewise.
5906         (mmx_smaxv2sf3): Removed.
5907         (mmx_sminv2sf3): Likewise.
5908         (mmx_umaxv8qi3): Likewise.
5909         (mmx_smaxv4hi3): Likewise.
5910         (mmx_uminv8qi3): Likewise.
5911         (mmx_sminv4hi3): Likewise.
5912
5913         * config/i386/sse.md (<addsub><mode>3): New.
5914         (*<addsub><mode>3): Likewise.
5915         (<sse>_vm<addsub><mode>3): Likewise.
5916         (<maxmin><mode>3): Likewise.
5917         (*<maxmin><mode>3_finite): Likewise.
5918         (*<maxmin><mode>3): Likewise.
5919         (<sse>_vm<maxmin><mode>3): Likewise.
5920         (sse3_h<addsub>v4sf3): Likewise.
5921         (sse3_h<addsub>v2df3): Likewise.
5922         (<maxmin>v16qi3): Likewise.
5923         (*<maxmin>v16qi3): Likewise.
5924         (<maxmin>v8hi3): Likewise.
5925         (*<maxmin>v8hi3): Likewise.
5926         (*sse4_1_<maxmin><mode>3): Likewise.
5927         (*sse4_1_<maxmin><mode>3): Likewise.
5928         (add<mode>3): Removed.
5929         (*add<mode>3): Likewise.
5930         (<sse>_vmadd<mode>3): Likewise.
5931         (sub<mode>3): Likewise.
5932         (*sub<mode>3): Likewise.
5933         (<sse>_vmsub<mode>3): Likewise.
5934         (smin<mode>3): Likewise.
5935         (*smin<mode>3_finite): Likewise.
5936         (*smin<mode>3): Likewise.
5937         (<sse>_vmsmin<mode>3): Likewise.
5938         (smax<mode>3): Likewise.
5939         (*smax<mode>3_finite): Likewise.
5940         (*smax<mode>3): Likewise.
5941         (<sse>_vmsmax<mode>3): Likewise.
5942         (sse3_haddv4sf3): Likewise.
5943         (sse3_haddv2df3): Likewise.
5944         (sse3_hsubv4sf3): Likewise.
5945         (sse3_hsubv2df3): Likewise.
5946         (umaxv16qi3): Likewise.
5947         (*umaxv16qi3): Likewise.
5948         (smaxv8hi3): Likewise.
5949         (*smaxv8hi3): Likewise.
5950         (*sse4_1_smax<mode>3): Likewise.
5951         (*sse4_1_umax<mode>3): Likewise.
5952         (uminv16qi3): Likewise.
5953         (*uminv16qi3): Likewise.
5954         (sminv8hi3): Likewise.
5955         (*sminv8hi3): Likewise.
5956         (*sse4_1_smin<mode>3): Likewise.
5957         (*sse4_1_umin<mode>3): Likewise.
5958
5959 2008-04-01  Rafael Espindola  <espindola@google.com>
5960
5961         * tree-cfg.c (verify_expr): remove in_phi.
5962         (verify_stmt): Don't call walk_tree with verify_expr. Use
5963         is_gimple_min_invariant instead of is_gimple_val.
5964
5965 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
5966
5967         * doc/include/gpl_v3.texi: Update for manpage generation.
5968         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
5969         gpl.texi.
5970         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
5971         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
5972         gpl_v3.texi instead of gpl.texi.
5973         (gpl.pod): New.
5974
5975 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
5976
5977         PR pch/13675
5978         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
5979
5980 2008-04-01  Rafael Espindola  <espindola@google.com>
5981
5982         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
5983         (extract_code_and_val_from_cond): Use
5984         extract_code_and_val_from_cond_with_ops.
5985
5986 2008-04-01  Jan Hubicka  <jh@suse.cz>
5987
5988         * function.c (free_after_compilation): Free epilogue_delay_list.
5989         (prepare_function_start): Assert that previous compilation was freed.
5990
5991 2008-04-01  Jan Hubicka  <jh@suse.cz>
5992             Jim Wilson  <wilson@tuliptree.org>
5993             Andreas Tobler <andreast@gcc.gnu.org>
5994
5995         PR middle-end/35781
5996         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
5997         rtl.emit instead cfun->emit.
5998         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
5999         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
6000
6001 2008-04-01  Ben Elliston  <bje@au.ibm.com>
6002
6003         * doc/c-tree.texi (Function Basics): Fix grammatical error.
6004
6005 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
6006
6007         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
6008         New options
6009         (fprofile-use): Add var flag_profile_use
6010         * coverage.c (coverage_begin_output): Do not open a gcno file for
6011         output only if -ftest-coverage is set.
6012         Do not add getpwd() to gcda file path.
6013         (build_gcov_info): Check the new flag
6014         flag_profile_datafile_relative_path.
6015         (coverage_init): Use profile_data_prefix.
6016         Read profile counter only if flag_profile_use is set.
6017         * opts.c (common_handle_option): New option fprofile-use=,
6018         fprofile-dir=, fprofile-generate=.
6019         * toplev.c (profile_data_prefix): New variable definition.
6020         * toplev.h (profile_data_prefix): New declaration.
6021         * doc/invoke.tex (Option Summary, Optimization Options):
6022         Add new options.
6023
6024 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
6025
6026         * varasm.c (output_constant_pool_1): In LABEL_REF check,
6027         use tmp consistently.
6028
6029         PR target/35695
6030         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
6031         * config/ia64/ia64.c (rtx_needs_barrier): Handle
6032         UNSPEC_FR_RECIP_APPROX_RES.
6033         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
6034
6035 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
6036
6037         PR c/35750
6038         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
6039
6040 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6041
6042         PR middle-end/30186
6043         * fold-const.c (fold_indirect_ref_1): Support accessing non first
6044         element of the vector via a pointer.
6045
6046 2008-03-31  Ian Lance Taylor  <iant@google.com>
6047
6048         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
6049
6050 2008-03-31  Jan Hubicka  <jh@suse.cz>
6051
6052         * builtins.c (expand_builtin_setjmp_receiver): Update call of
6053         get_arg_pointer_save_area.
6054         * expr.c (init_expr): Just clear out rtl.expr.
6055         * function.c (free_after_compilation): Clear out whole RTL structure.
6056         (get_func_frame_size): Merge into ...
6057         (get_frame_size): ... this one.
6058         (assign_stack_local_1): Merge into ...
6059         (assign_stack_local): ... this one.
6060         (expand_function_end): Update call of get_arg_pointer_save_area.
6061         (get_art_pointer_save_area): Remove cfun argument.
6062         * function.h (emit_status): regno_pointer_align does not need length
6063         attribute. Move x_regno_reg_rtx to ...
6064         (regno_reg_rtx): ... new global array.
6065         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
6066         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
6067         apply_args_value, forced_labels, stack_pointer_delta):
6068         Update accestors.
6069         (struct varasm_status): Move here from varasm.c
6070         (struct rtl_data): New. Move here some fields from struct function.
6071         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
6072         frame_offset, stack_check_probe_note, arg_pointer_save_area,
6073         used_temp_slots avail_temp_slots, temp_slot_level,
6074         nonlocal_goto_handler_labels): Update accesstors.
6075         (rtl): New global variable.
6076         (struct function): Move some fileds to rtl_data.
6077         (get_arg_pointer_save_area): Update prototype.
6078         * emit-rtl.c (rtl): Declare.
6079         (regno_reg_rtx): Declare.
6080         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
6081         Update.
6082         (gen_reg_rtx): Update.
6083         (init_virtual_regs): Do not tate emit_status argument.
6084         (init_emit): Do not allocate emit.
6085         * varasm.c (varasm_statuc): Move to function.h.
6086         (n_deferred_constatns): Update accestor.
6087         (init_varasm_status): Do not allocate varasm_status.
6088         (force_const_mem, get_pool_size, output_constant_pool): Update.
6089         * stmt.c (force_label_rtx): Do not use x_ prefixes.
6090         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
6091
6092 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
6093
6094         PR rtl-optimization/35729
6095         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
6096         references.
6097
6098 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
6099
6100         PR target/32000
6101         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
6102         load/store if memory is unaligned.
6103         (*movti_rex64): Likewise.
6104
6105         * config/i386/predicates.md (misaligned_operand): New.
6106
6107 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
6108
6109         PR tree-opt/35431
6110         * tree-ssa-phiopt.c (conditional_replacement): Return early for
6111         complex types.
6112
6113 2008-03-31  Jan Beulich  <jbeulich@novell.com>
6114
6115         * config/ia64/constraints.md: Add 'j' constraint.
6116         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
6117         (movdi_internal): Likewise.
6118
6119 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
6120
6121         PR c/35748
6122         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
6123
6124 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
6125
6126         PR target/35757
6127         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
6128         proper error message for the third argument on blendpd and
6129         blendps.
6130
6131         * config/i386/sse.md (blendbits): New.
6132         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
6133
6134 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
6135
6136         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
6137
6138 2008-03-30  Richard Guenther  <rguenther@suse.de>
6139
6140         PR middle-end/31023
6141         * fold-const.c (fold_sign_changed_comparison): Do leave
6142         conversions to base-types alone.
6143
6144 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6145
6146         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
6147         the link register if one altivec register is be saved.
6148
6149 2008-03-30  Ben Elliston  <bje@au.ibm.com>
6150
6151         * final.c (final_scan_insn): Remove if (0) code.
6152
6153 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
6154
6155         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
6156
6157 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
6158
6159         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
6160         of V4SFmode to ix86_binary_operator_ok.
6161
6162 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
6163
6164         * config/i386/i386.c (override_options): Initialize
6165         ix86_veclib_handler to ix86_veclibabi_svml when
6166         -mveclibabi=svml is used.
6167         (ix86_veclibabi_svml): New function for SVML ABI style
6168         vectorization support.
6169         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
6170
6171 2008-03-28  Rafael Espindola  <espindola@google.com>
6172
6173         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
6174         (tree_binary_nonnegative_warnv_p): Make it public.
6175         (tree_single_nonnegative_warnv_p): Make it public.
6176         (tree_invalid_nonnegative_warnv_p): Make it public.
6177         (tree_unary_nonzero_warnv_p): Make it public.
6178         (tree_binary_nonzero_warnv_p): Make it public
6179         (tree_single_nonzero_warnv_p): Make it public.
6180         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
6181         (extract_range_from_binary_expr): Split the expr argument.
6182         (extract_range_from_unary_expr): Split the expr argument.
6183         (extract_range_from_comparison): Split the expr argument.
6184         (extract_range_from_expr): Use the new aux functions.
6185         (vrp_evaluate_conditional_warnv): Use
6186         vrp_evaluate_conditional_warnv_with_ops.
6187         * tree.h (tree_unary_nonzero_warnv_p): Declare.
6188         (tree_binary_nonzero_warnv_p): Declare.
6189         (tree_single_nonzero_warnv_p): Declare.
6190         (tree_expr_nonzero_warnv_p): Declare.
6191         (tree_unary_nonnegative_warnv_p): Declare.
6192         (tree_binary_nonnegative_warnv_p): Declare.
6193         (tree_single_nonnegative_warnv_p): Declare.
6194         (tree_invalid_nonnegative_warnv_p): Declare.
6195
6196 2008-03-28  Richard Guenther  <rguenther@suse.de>
6197
6198         PR tree-optimization/30317
6199         PR tree-optimization/30911
6200         PR tree-optimization/34793
6201         * tree-vrp.c (set_and_canonicalize_value_range): New function.
6202         (struct assert_locus_d): New member EXPR.
6203         (register_new_assert_for): Add EXPR parameter to support
6204         ASSERT_EXPR <name, expr OP limit>.
6205         (register_edge_assert_for_1): Adjust callers.
6206         (find_assert_locations): Likewise.
6207         (process_assert_insertions_for): Build condition from expression.
6208         (extract_range_from_assert): Handle ASSERT_EXPRs
6209         of the form ASSERT_EXPR <name, expr OP limit>.
6210         (register_edge_assert_for_2): New helper registering
6211         asserts for comparisons.  Recognize range tests of the form
6212         (unsigned)i - CST1 OP CST2.
6213         (register_edge_assert_for_1): Use it.
6214         (register_edge_assert_for): Likewise.
6215         (needs_overflow_infinity): Integer sub-types
6216         do not need overflow infinities.
6217         (vrp_val_is_max): The extreme values of integer sub-types
6218         are those of the base type.
6219         (vrp_val_is_min): Likewise.
6220         * tree.def (ASSERT_EXPR): Document extra allowed conditional
6221         expressions.
6222
6223 2008-03-28  Nick Clifton  <nickc@redhat.com>
6224
6225         PR target/31110
6226         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
6227         Return GENERAL_REGS for stack adjustment reloads.
6228
6229 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6230
6231         PR target/31334
6232         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
6233         const_vector when all the vectors are constant.
6234
6235 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
6236
6237         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
6238         comparisons.
6239         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
6240         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
6241         (scc_sf): New.
6242         (s<code>_sf): Use new scc_sf attribute for opcode names.
6243
6244 2008-03-27  Tom Tromey  <tromey@redhat.com>
6245
6246         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
6247         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
6248         config/spu/t-spu-elf, config/i386/t-interix,
6249         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
6250         config/i386/x-darwin, config/i386/x-mingw32,
6251         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
6252         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
6253         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
6254         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
6255         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
6256         config/rs6000/x-darwin, config/rs6000/t-rs6000,
6257         config/score/t-score-elf, config/arm/t-strongarm-pe,
6258         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
6259         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
6260         Revert automatic dependency patch.
6261
6262 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6263
6264         PR target/35657
6265         * config/i386/i386.c (ix86_function_arg_boundary): Align
6266         decimal floating point to its natural boundary.
6267
6268 2008-03-27  Richard Guenther  <rguenther@suse.de>
6269
6270         PR middle-end/35716
6271         * fold-const.c (fold_comparison): Restrict distinct decl
6272         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
6273         solely rely on operand_equal_p.
6274
6275 2008-03-27  Richard Guenther  <rguenther@suse.de>
6276
6277         PR c/32511
6278         * c-common.c (handle_weak_attribute): Reject combination of
6279         weak and inline.
6280
6281 2008-03-27  Richard Guenther  <rguenther@suse.de>
6282
6283         PR tree-optimization/32810
6284         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
6285         conversions from DECL_INITIAL.
6286         (fold_const_aggregate_ref): Likewise from constructor elements.
6287
6288 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
6289
6290         * tree-affine.h (aff_combination_expand): Declare.
6291         (get_inner_reference_aff): Likewise.
6292         * tree-affine.c (aff_combination_expand): Split out from
6293         tree_to_aff_combination_expand.
6294         (get_inner_reference_aff): New function.
6295         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
6296         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
6297         (struct lim_aux_data): sm_done field removed.
6298         (mem_ref_loc_p, mem_ref_locs_p): New types.
6299         (struct mem_ref): Added id, stored, accesses_in_loop,
6300         indep_loop, dep_loop, indep_ref, dep_ref fields.
6301         Removed is_stored, locs and next fields.
6302         (memory_accesses): New variable.
6303         (movement_possibility): Do not allow moving statements
6304         that store to memory.
6305         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
6306         New functions.
6307         (determine_max_movement): For statements with memory references,
6308         find the outermost loop in that the reference is independent.
6309         (move_computations_stmt): Mark the virtual operands for renaming.
6310         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
6311         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
6312         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
6313         add_vop_ref_mapping, create_vop_ref_mapping_loop,
6314         create_vop_ref_mapping, analyze_memory_references,
6315         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
6316         get_all_locs_in_loop, ref_always_accessed_p,
6317         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
6318         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
6319         store_motion_loop, store_motion): New functions.
6320         (struct vop_to_refs_elt): New type.
6321         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
6322         memref_hash, memref_eq, hoist_memory_references): Rewritten.
6323         (schedule_sm): Replaced by...
6324         (execute_sm): ... this.
6325         (determine_lsm_ref, hoist_memory_references,
6326         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
6327         find_more_ref_vops, free_mem_ref, free_mem_refs,
6328         determine_lsm_loop, determine_lsm): Removed.
6329         (tree_ssa_lim_finalize): Free data structures used by store motion.
6330         (tree_ssa_lim): Call analyze_memory_references.  Use
6331         store_motion instead of determine_lsm.
6332
6333 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
6334
6335         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
6336         rename tmake_file to m68hc11/t-m68hc11.
6337         (mcore): Set inhibit_libc to true.
6338         * config.host (alpha*-dec-*vms*): Set extra_programs.
6339         (interix3*): Don't use host_xmake_file.
6340         * configure.ac: Let config.gcc override inhibit_libc.
6341         * configure: Regenerate.
6342
6343         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
6344         * config/t-openbsd-thread: Remove commented out lines.
6345         
6346         * config/x-interix: Remove.
6347
6348         * config/m68hc11/t-m68hc11-gas: Rename to...
6349         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
6350
6351         * config/mcore/t-mcore: Remove T_CFLAGS.
6352         * config/mcore/t-mcore-pe: Likewise.
6353
6354 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
6355
6356         * configure.ac: Replace custom __GNU_SOURCE test with
6357         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
6358         * aclocal.m4: Regenerate.
6359         * configure: Regenerate.
6360         * config.in: Regenerate.
6361
6362 2008-03-27  Richard Guenther  <rguenther@suse.de>
6363
6364         * fold-const.c (target.h): Include.
6365         (fold_comparison): Fold comparison of addresses of decls
6366         that bind locally or of constants.  Consolidate address folding code.
6367         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
6368         results from fold_binary_to_constant.
6369         (compare_values_warnv): Likewise.
6370
6371 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
6372
6373         PR middle-end/35429
6374         * fold-const.c (fold_truthop): Check for integeral types when folding
6375         a == 0 && b == 0 and a != 0 || b != 0 .
6376
6377 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
6378
6379         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
6380
6381 2008-03-26  Andreas Schwab  <schwab@suse.de>
6382
6383         * doc/invoke.texi: Fix use of @item vs. @itemx.
6384
6385 2008-03-26  Tom Tromey  <tromey@redhat.com>
6386
6387         * Makefile.in (build/gensupport.o, build/print-rtl.o,
6388         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
6389         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
6390         build/gencodes.o, build/genconditions.o, build/genconfig.o,
6391         build/genconstants.o, build/genemit.o, build/genextract.o,
6392         build/genflags.o, build/genmddeps.o, build/genopinit.o,
6393         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
6394         options.h.
6395
6396 2008-03-26  Richard Guenther  <rguenther@suse.de>
6397
6398         Revert
6399         2008-03-26  Richard Guenther  <rguenther@suse.de>
6400
6401         * fold-const.c (target.h): Include.
6402         (fold_comparison): Fold comparison of addresses of two decls
6403         that bind locally.  Consolidate address folding code.
6404
6405 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6406
6407         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
6408         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
6409         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
6410         dconstsqrt2, dconstthird, dconste and/or dconst10.
6411         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
6412         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
6413         dconstsqrt2, dconste): Delete.
6414         (init_emit_once): Likewise.  Simplify initializing dconstm1.
6415         Constify variable.
6416         * real.c (get_real_const): New.
6417         * real.h (dconst3, dconst10, dconstm2, dconstthird,
6418         dconstsqrt2, dconste): Delete.
6419         (real_value_const, get_real_const): New.
6420
6421 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
6422
6423         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
6424
6425         * config/i386/i386.c (ix86_function_arg_boundary): Check
6426         BIGGEST_ALIGNMENT instead of 128.
6427         (setup_incoming_varargs_64): Likewise.
6428
6429 2008-03-26  Tom Tromey  <tromey@redhat.com>
6430
6431         * Makefile.in (DEPFILES): Add missing '/'.
6432
6433 2008-03-26  Richard Guenther  <rguenther@suse.de>
6434
6435         * fold-const.c (target.h): Include.
6436         (fold_comparison): Fold comparison of addresses of two decls
6437         that bind locally.  Consolidate address folding code.
6438
6439 2008-03-26  Nick Clifton  <nickc@redhat.com>
6440
6441         PR target/31232
6442         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
6443         not allow INT+INT as a legitimate addressing mode.
6444
6445 2008-03-26  Richard Guenther  <rguenther@suse.de>
6446
6447         * tree-flow.h (widen_bitfield): Remove declaration.
6448         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
6449         (widen_bitfield): Remove function.
6450         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
6451         code.
6452
6453 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6454
6455         PR target/31558
6456         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
6457         error_mark_node's.
6458
6459 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
6460
6461         PR rtl-optimization/35232
6462         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
6463         (forget_old_reloads_1, forget_marked_reloads): Don't clear
6464         reg_reloaded_call_part_clobbered here.
6465         (reload_regs_reach_end_p): New function.
6466         (reload_reg_rtx_for_input): New variable.
6467         (reload_reg_rtx_for_output): Likewise.
6468         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
6469         when reassigning a pseudo register.  Load reloadreg from 
6470         reload_reg_rtx_for_input, moving the mode and register
6471         calculation to...
6472         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
6473         instead of the original when deciding whether an input reload
6474         would be a no-op or whether an output reload can be deleted.
6475         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
6476         when setting up new_spill_reg_store.  Load it from
6477         reload_reg_rtx_for_output, moving the mode and register
6478         calculation to...
6479         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
6480         instead of the original when deciding whether an output reload
6481         would be a no-op.  Do the same when modifying insn notes.
6482         Use rtx_equal_p instead of == to compare the registers.
6483         (inherit_piecemeal_p): Take a mode and two register numbers
6484         as argument.
6485         (emit_reload_insns): Clear new_spill_reg_store for every hard
6486         register in the reload register.  Remove spill registers
6487         from reg_reloaded_valid before considering whether to record
6488         inheritance information for them.  Use reload_reg_rtx_for_output
6489         instead of reg_rtx when recording output reloads.  Use
6490         reload_reg_rtx_for_input instead of reg_rtx when recording
6491         input reloads.  Set or clear reg_reloaded_call_part_clobbered
6492         at the same time as setting reg_reloaded_valid.
6493         (delete_output_reload): Add a new_reload_reg parameter and use it
6494         instead of rld[j].reg_rtx.
6495         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
6496         calls accordingly.
6497
6498 2008-03-25  Tom Tromey  <tromey@redhat.com>
6499
6500         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
6501         (build/genattr.o): Likewise.
6502         (build/genattrtab.o): Likewise.
6503         (build/gencodes.o): Likewise.
6504         (build/genconfig.o): Likewise.
6505         (build/genconstants.o): Likewise.
6506         (build/genemit.o): Likewise.
6507         (build/genextract.o): Likewise.
6508         (build/genflags.o): Likewise.
6509
6510 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
6511         
6512         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
6513         instead of size_int for integer types.
6514         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
6515         to match type of MINUS_EXPR.
6516         
6517 2008-03-25  Tom Tromey  <tromey@redhat.com>
6518
6519         * configure: Rebuilt.
6520         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
6521         Makefile.
6522
6523 2008-03-25  Tom Tromey  <tromey@redhat.com>
6524
6525         * config/x-solaris (host-solaris.o): Update.
6526         * config/x-linux (host-linux.o): Update.
6527         * config/x-hpux (host-hpux.o): Update.
6528         * config/x-darwin (host-darwin.o): Update.
6529         * config/v850/t-v850e (v850-c.o): Update.
6530         * config/v850/t-v850 (v850-c.o): Update.
6531         * config/t-vxworks (vxworks.o): Update.
6532         * config/t-sol2 (sol2-c.o, sol2.o): Update.
6533         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
6534         * config/spu/t-spu-elf (spu-c.o): Update.
6535         (spu.o): Remove.
6536         * config/sh/t-symbian (sh-c.o): Update.
6537         (symbian.o): Update.
6538         * config/sh/t-sh (sh-c.o): Update.
6539         * config/score/t-score-elf (score7.o, score3.o): Update.
6540         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
6541         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
6542         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
6543         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
6544         (rs6000.o): Remove.
6545         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
6546         * config/m32c/t-m32c (m32c-pragma.o): Update.
6547         * config/ia64/t-ia64 (ia64-c.o): Update.
6548         * config/i386/x-mingw32 (host-mingw32.o): Update.
6549         * config/i386/x-i386 (driver-i386.o): Update.
6550         * config/i386/x-darwin (host-i386-darwin.o): Update.
6551         * config/i386/x-cygwin (host-cygwin.o): Update.
6552         * config/i386/t-nwld (nwld.o): Update.
6553         * config/i386/t-netware (netware.o): Update.
6554         * config/i386/t-interix (winnt.o): Update.
6555         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
6556         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
6557         msformat-c.o): Update.
6558         * config/bfin/t-bfin-linux (generated_files): Add
6559         linux-sysroot-suffix.h.
6560         * config/arm/t-wince-pe (pe.o): Update.
6561         * config/arm/t-strongarm-pe (pe.o): Update.
6562         * config/arm/t-pe (pe.o): Update.
6563         * config/arm/t-arm (arm-c.o): Update.
6564         * doc/install.texi (Prerequisites): Require make 3.80.
6565         * Makefile.in: Remove .o targets.
6566         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
6567         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
6568         (simple_generated_h, simple_generated_c): Move earlier.
6569         (generated_files): New variable.
6570         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
6571         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
6572         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
6573         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
6574         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
6575         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
6576         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
6577         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
6578         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
6579         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
6580         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
6581         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
6582         (.c.o): Remove.
6583         (COMPILE.base, COMPILE): New variables.
6584         (%.o): New pattern rule.
6585         (ALL_HOST_OBJS): New variable.
6586         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
6587         (dummy-checksum.o, cc1-checksum.o): Remove.
6588         (DRIVER_SHLIB): New variable.
6589         (DRIVER_DEFINES): Use it.
6590         (gencondmd.c): Move out of build/.
6591         (s-conditions): Update.
6592         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
6593         (ALL_BUILD_OBJS): Likewise.
6594         (build/%.o): Use BUILDCOMPILE.
6595         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
6596         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
6597         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
6598         build/gencheck.o, build/gencodes.o, build/genconditions.o,
6599         build/genconfig.o, build/genconstants.o, build/genemit.o,
6600         build/genextract.o, build/genflags.o, build/genmddeps.o,
6601         build/genopinit.o, build/genoutput.o, build/genpeep.o,
6602         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
6603         build/gen-protos.o, build/scan.o, build/fix-header.o,
6604         build/scan-decls.o): Simplify.
6605         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
6606         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
6607         prefix.o, toplev.o): Reduce to variable setting.
6608         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
6609         ($(out_object_file), gcc-options.o): New targets.
6610         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
6611         * configure: Rebuilt.
6612         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
6613         * doc/sourcebuild.texi (Front End Directory): Document new variable.
6614
6615 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
6616
6617         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
6618         complain when we hit an error, return ERROR_MARK_NODE.
6619
6620 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
6621
6622         * config/sh/constraints.md (Pso, Psz): New constraints.
6623         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
6624         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
6625
6626 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
6627
6628         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
6629         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
6630
6631 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
6632
6633         * config/sh/sh.md (prefetch): Add condition for SH2A target.
6634         (prefetch_sh2a): New.   
6635
6636 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
6637             Naveen.H.S  <naveen.hs@kpitcummins.com>
6638
6639         * config/sh/constraints.md (I28): New constraint.
6640         * config/sh/sh.c (broken_move): Add support for movi20s.
6641         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
6642
6643 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
6644             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
6645             Naveen.H.S  <naveen.hs@kpitcummins.com>
6646
6647         * config/sh/sh.c (SH_ATTRIBUTES): Define.
6648         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
6649         (print_operand): Handle resbank in %@ operand code.
6650         (sh_encode_section_info): New.
6651         (push_regs): Add conditions for resbank.
6652         (sh_expand_epilogue): Likewise.
6653         (sh_insert_attributes): Likewise.
6654         (sh_attribute_table): Likewise.
6655         (sh_handle_resbank_handler_attribute): New.
6656         (sh2a_handle_function_vector_handler_attribute): New.
6657         (sh2a_is_function_vector_call): New.
6658         (sh2a_get_function_vector_number): New.
6659         (sh2a_function_vector_p): New.
6660         (sh_cfun_resbank_handler_p): New.
6661         * config/sh/sh.md (calli): Emit jsr/n if possible.
6662         (calli_tbr_rel): New.
6663         (calli_pcrel): Emit jsr/n if possible.
6664         (return_i): Emit rts/n if possible.
6665         (call_valuei_tbr_rel): New.
6666         (call_valuei_pcrel): Add condition for SH2A target.
6667         (call_value): Likewise.
6668         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
6669         (sh2a_get_function_vector_number): Likewise.
6670         (sh2a_is_function_vector_call): Likewise.
6671         * doc/extend.texi: Document TBR relative addressing of SH2A.
6672         (resbank): Add description for SH2A.
6673
6674 2008-03-24  Richard Guenther  <rguenther@suse.de>
6675
6676         PR c/22371
6677         * gimplify.c (gimplify_modify_expr): For frontend type-correct
6678         pointer assignments change conversions according to middle-end rules.
6679         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
6680         * configure.ac: Include type checking in yes.
6681         * configure: Regenerate.
6682
6683 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6684
6685         * diagnostic.c (diagnostic_count_diagnostic): Delete.
6686         (diagnostic_report_diagnostic): Update. Handle ICEs here.
6687         
6688 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
6689
6690         * gthr-vxworks.h (UNUSED): Define.
6691
6692 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
6693
6694         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
6695
6696 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
6697
6698         * doc/extend.texi (Function Attributes): Add missing comma in the
6699         example of the "alloc_size" attribute.
6700         
6701 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
6702
6703         Revert:
6704         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
6705
6706         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6707         32bit host.
6708
6709         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
6710
6711         PR target/35496
6712         * stor-layout.c (update_alignment_for_field): Set minimum alignment
6713         of the underlying type of a MS bitfield layout to the natural
6714         alignment of the type.
6715
6716         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
6717
6718         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
6719         to their natural alignment to avoid store forwarding stalls.
6720
6721 2008-03-22  Richard Guenther  <rguenther@suse.de>
6722
6723         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
6724         For PHI nodes verify the address is invariant.
6725         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
6726         (get_symbol_constant_value): Use is_gimple_min_invariant.
6727         (maybe_fold_stmt_indirect): Likewise.
6728
6729 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
6730
6731         PR rtl-optimization/33927
6732         * Makefile.in (dse.o): Depend on $(TM_P_H).
6733         * expr.h (extract_low_bits): Declare.
6734         * expmed.c (extract_low_bits): New function.
6735         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
6736         * dse.c: Include tm_p.h.
6737         (find_shift_sequence): Remove the read_reg argument and return the
6738         read value.  Emit the instructions instead of returning them.
6739         Iterate on new_mode rather than calculating it each time.
6740         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
6741         source to NEW_MODE and extract_low_bits to convert the shifted
6742         value to READ_MODE.
6743         (replace_read): Allow the load and store to have different mode
6744         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
6745         or extraction instructions before trying the replacement.  Update
6746         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
6747
6748 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
6749
6750         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
6751         to their natural alignment to avoid store forwarding stalls.
6752
6753 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6754
6755         PR target/27946
6756         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
6757         encouraging but not allowing gprs for input;
6758         change the input constraint to !f#r.
6759         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
6760         gprs for output;
6761         change the output constraint to !f#r.
6762
6763 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
6764
6765         PR target/13958
6766         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
6767         corresponding post-reload splitters.
6768         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
6769         when x87 FP math is selected.
6770         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
6771         New function prototype.
6772         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
6773         unreachable function to ease macroization of insn patterns.
6774
6775 2008-03-21  Martin Jambor  <mjambor@suse.cz>
6776
6777         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
6778         reference dumps if ddr is NULL or dependence is unknown.
6779
6780 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6781
6782         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
6783         unsigned extension into account.
6784         (ATOMIC_COMPARE_AND_SWAP): Likewise.
6785         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
6786         Do computations on a scratch register.
6787
6788 2008-03-21  Richard Guenther  <rguenther@suse.de>
6789
6790         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6791         Use is_gimple_min_invariant instead of TREE_INVARIANT.
6792         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
6793         * tree-ssa-dom.c (record_equality): Likewise.
6794         * tree-inline.c (copy_body_r): Likewise.
6795         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
6796         TREE_INVARIANT.
6797
6798 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6799
6800         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
6801         as 'delete_unused' argument.
6802
6803 2008-03-20  Richard Guenther  <rguenther@suse.de>
6804
6805         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
6806         special casing of constant qualifiers.
6807         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
6808         care about them in general.
6809         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
6810         regardless of their type.
6811         (fold_stmt_r): Forcefully fold *& if we end up with that.
6812
6813 2008-03-20  Paul Brook  <paul@codesourcery.com>
6814
6815         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
6816         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
6817         linker flags.
6818         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
6819         definition.
6820         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
6821         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
6822
6823 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
6824
6825         * common.opt (Wmudflap): New option.
6826         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
6827         (mx_register_decls): Likewise.
6828         (mudflap_finish_file): Likewise.
6829         * doc/invoke.texi: Document -Wno-mudflap.
6830
6831 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
6832
6833         * c-format.c (replace_format_name_to_system_name): New.
6834         (cmp_attribs): New.
6835         (convert_format_name_to_system_name): New.
6836         (decode_format_attr): Add use of convert_format_name_to_system_name.
6837         (format_types_orig): Add gnu_ prefix to names.
6838         (check_format_info_main): Special treating of \0 escaped names for
6839         supporting multi-character format specifiers as I32, I64.
6840         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
6841         (gnu_target_overrides_format_attributes): New.
6842         * c-format.h: Add structure target_ovr_attr to hold
6843         system specific formatter names.
6844         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
6845         msformat-c.o file to c_target_objs and cxx_target_objs.
6846         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
6847         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
6848         (TARGET_N_FORMAT_TYPES): New.
6849         * config/i386/msformat-c.c: New.
6850         * config/i386/t-cygming: Add build rule for msformat-c.o.
6851         * doc/extend.texi: Add new format names gnu_* and ms_* and
6852         further details.
6853         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
6854
6855 2008-03-20  Ira Rosen  <irar@il.ibm.com>
6856
6857         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
6858         optimizations turned on under -O3.
6859         (ftree-vectorize): Add that the flag is turned on with -O3.
6860
6861 2008-03-20  Ben Elliston  <bje@au.ibm.com>
6862
6863         * regmove.c (try_auto_increment): Fix spelling error in comment.
6864         * final.c (final_scan_insn): Likewise.
6865
6866 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
6867
6868         PR target/14552
6869         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
6870         allocator preferences for "y" and "r" class registers.
6871         ("*mov<mode>_internal"): Ditto.
6872         ("*movv2sf_internal_rex64"): Ditto.
6873         ("*movv2sf_internal"): Ditto.
6874
6875 2008-03-19  Michael Matz  <matz@suse.de>
6876
6877         PR middle-end/35616
6878         * calls.c (expand_call): Check overlap of arguments with call
6879         address for sibcalls.
6880
6881 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
6882
6883         PR target/35496
6884         * stor-layout.c (update_alignment_for_field): Set minimum alignment
6885         of the underlying type of a MS bitfield layout to the natural
6886         alignment of the type.
6887
6888 2008-03-19  Jan Hubicka  <jh@suse.cz>
6889
6890         PR other/35094
6891         * toplev.c (decode_d_option): Handle all CPP flags.
6892         * tree-vrp.c: Update tree_pass descriptors.
6893         * regrename.c: Update tree_pass descriptors.
6894         * fwprop.c: Update tree_pass descriptors.
6895         * doc/invoke.texi: Remove documentation of dropped -d? flags.
6896         * tree-into-ssa.c: Update tree_pass descriptors.
6897         * tree-dump.c: Update tree_pass descriptors.
6898         * tree-complex.c: Update tree_pass descriptors.
6899         * tree-dump.h: Update tree_pass descriptors.
6900         * see.c: Update tree_pass descriptors.
6901         * cgraphbuild.c: Update tree_pass descriptors.
6902         * tracer.c: Update tree_pass descriptors.
6903         * tree-loop-distribution.c: Update tree_pass descriptors.
6904         * cgraph.c: Update tree_pass descriptors.
6905         * postreload-gcse.c: Update tree_pass descriptors.
6906         * postreload.c: Update tree_pass descriptors.
6907         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
6908         * tree-tailcall.c: Update tree_pass descriptors.
6909         * tree-pass.h (tree_opt_pass): Rename to ...
6910         (opt_pass) ... this one; add "type" field and remove letter field.
6911         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
6912         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
6913         all_lowering_passes): Update declaration.
6914         * ipa-cp.c: Update tree_pass descriptors.
6915         * final.c: Update tree_pass descriptors.
6916         * omp-low.c: Update tree_pass descriptors.
6917         * tree-ssa-dse.c: Update tree_pass descriptors.
6918         * ipa-reference.c: Update tree_pass descriptors.
6919         * tree-ssa-uncprop.c: Update tree_pass descriptors.
6920         * auto-inc-dec.c: Update tree_pass descriptors.
6921         * reorg.c: Update tree_pass descriptors.
6922         * cgraphunit.c: Update tree_pass descriptors.
6923         * tree-ssa-copyrename.c: Update tree_pass descriptors.
6924         * tree-ssa-ccp.c: Update tree_pass descriptors.
6925         * df-core.c: Update tree_pass descriptors.
6926         * mode-switching.c: Update tree_pass descriptors.
6927         * tree-nomudflap.c: Update tree_pass descriptors.
6928         * modulo-sched.c: Update tree_pass descriptors.
6929         * ipa-pure-const.c: Update tree_pass descriptors.
6930         * cse.c: Update tree_pass descriptors.
6931         * web.c: Update tree_pass descriptors.
6932         * tree-stdarg.c: Update tree_pass descriptors.
6933         * tree-ssa-math-opts.c: Update tree_pass descriptors.
6934         * tree-ssa-dom.c: Update tree_pass descriptors.
6935         * tree-nrv.c: Update tree_pass descriptors.
6936         * tree-ssa-alias.c: Update tree_pass descriptors.
6937         * loop-init.c: Update tree_pass descriptors.
6938         * gimple-low.c: Update tree_pass descriptors.
6939         * ipa-inline.c: Update tree_pass descriptors.
6940         * tree-ssa-sink.c: Update tree_pass descriptors.
6941         * global.c: Update tree_pass descriptors.
6942         * ifcvt.c: Update tree_pass descriptors.
6943         * jump.c: Update tree_pass descriptors.
6944         * predict.c: Update tree_pass descriptors.
6945         * tree-ssa-loop.c: Update tree_pass descriptors.
6946         * recog.c: Update tree_pass descriptors.
6947         * dse.c: Update tree_pass descriptors.
6948         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
6949         * tree-eh.c: Update tree_pass descriptors.
6950         * regmove.c: Update tree_pass descriptors.
6951         * local-alloc.c
6952         * function.c: Update tree_pass descriptors.
6953         * tree-vectorizer.c: Update tree_pass descriptors.
6954         * gcse.c: Update tree_pass descriptors.
6955         * ipa-type-escape.c: Update tree_pass descriptors.
6956         * tree-if-conv.c: Update tree_pass descriptors.
6957         * init-regs.c: Update tree_pass descriptors.
6958         * ipa.c: Update tree_pass descriptors.
6959         * tree-ssa-phiopt.c: Update tree_pass descriptors.
6960         * rtl-factoring.c: Update tree_pass descriptors.
6961         * lower-subreg.c: Update tree_pass descriptors.
6962         * bt-load.c: Update tree_pass descriptors.
6963         * tree-dfa.c: Update tree_pass descriptors.
6964         * except.c: Update tree_pass descriptors.
6965         * emit-rtl.c: Update tree_pass descriptors.
6966         * cfgexpand.c: Update tree_pass descriptors.
6967         * tree-cfgcleanup.c: Update tree_pass descriptors.
6968         * cfgcleanup.c: Update tree_pass descriptors.
6969         * tree-ssa-pre.c: Update tree_pass descriptors.
6970         * tree-sra.c: Update tree_pass descriptors.
6971         * tree-mudflap.c: Update tree_pass descriptors.
6972         * tree-ssa-copy.c: Update tree_pass descriptors.
6973         * cfglayout.c: Update tree_pass descriptors.
6974         * tree-ssa-forwprop.c: Update tree_pass descriptors.
6975         * tree-ssa-dce.c: Update tree_pass descriptors.
6976         * tree-ssa.c: Update tree_pass descriptors.
6977         * regclass.c: Update tree_pass descriptors.
6978         * integrate.c: Update tree_pass descriptors.
6979         * tree-optimize.c: Update tree_pass descriptors.
6980         * tree-ssa-phiprop.c: Update tree_pass descriptors.
6981         * tree-object-size.c: Update tree_pass descriptors.
6982         * combine.c: Update tree_pass descriptors.
6983         * tree-outof-ssa.c: Update tree_pass descriptors.
6984         * bb-reorder.c: Update tree_pass descriptors.
6985         * stack-ptr-mod.c: Update tree_pass descriptors.
6986         * var-tracking.c: Update tree_pass descriptors.
6987         * tree-profile.c: Update tree_pass descriptors.
6988         * tree-vect-generic.c: Update tree_pass descriptors.
6989         * reg-stack.c: Update tree_pass descriptors.
6990         * sched-rgn.c: Update tree_pass descriptors.
6991         * tree-ssa-structalias.c: Update tree_pass descriptors.
6992         * tree-cfg.c: Update tree_pass descriptors.
6993         * passes.c (current_pass): Update declaration.
6994         (finish_optimization_passes): Update.
6995         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
6996         (register_one_dump_file, register_dump_files_1, next_pass_1):
6997         Update arguments.
6998         (init_optimization_passes): Update handling of new types.
6999         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
7000         * ipa-struct-reorg.c: Update tree_pass descriptors.
7001         * tree-ssa-reassoc.c: Update tree_pass descriptors.
7002         * combine-stack-adj.c: Update tree_pass descriptors.
7003         * cfgrtl.c: Update tree_pass descriptors.
7004         * dce.c: Update tree_pass descriptors.
7005         * tree-ssanames.c: Update tree_pass descriptors.
7006
7007 2008-03-19  Richard Guenther  <rguenther@suse.de>
7008
7009         PR middle-end/35609
7010         * tree-ssa.c (walk_data): New structure.
7011         (warn_uninitialized_var): If not always_executed warn with "maybe"
7012         instead of "is".
7013         (execute_early_warn_uninitialized): Compute post-dominators.
7014         Initialize always_executed before processing each basic block.
7015
7016 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
7017
7018         PR target/35504
7019         * config/i386/i386.c (x86_this_parameter): Calculate correct location
7020         of "this" pointer when "regparm = N" or "fastcall" is in effect.
7021
7022 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7023
7024         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
7025
7026 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
7027
7028         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
7029         is true.
7030         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
7031         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
7032         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
7033         target after ignore has been set, and move there also the commputation
7034         of subtarget and original_target.
7035         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
7036         (LANG_HOOKS_INITIALIZER): Remove it.
7037         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
7038
7039 2008-03-18  Richard Guenther  <rguenther@suse.de>
7040
7041         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
7042         found an expression with constants, note that in the VN for the lhs.
7043         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
7044         fold them to constants if possible.  Run cleanup_cfg if done so.
7045         (execute_pre): Return todo.
7046         (do_pre): Likewise.
7047         (execute_fre): Likewise.
7048         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
7049         of constants.
7050         (get_prop_source_stmt): Look through pointer conversions.
7051
7052 2008-03-18  Jan Hubicka  <jh@suse.cz>
7053
7054         * tree-pretty-print.c: Include predict.h.
7055         (dump_generic_node): Dump predictor.
7056         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
7057         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
7058         * gimple-low.c (lower_stmt): Likewise.
7059         * expr.c (expand_expr_real): Likewise.
7060         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
7061         them.
7062         (build_predict_expr, build_predict_expr): New.
7063         * predict.h (predictor_name, build_predict_expr): Update.
7064         * c-typeck.c (c_finish_bc_stmt): Add prediction.
7065         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
7066         * predict.def (PRED_CONTINUE): Update hitrate.
7067         * tree.def (PREDICT_EXPR): Define.
7068         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
7069         do not handle BIND_EXPR.
7070         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
7071         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
7072         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
7073         operands.
7074
7075 2008-03-18  Michael Matz  <matz@suse.de>
7076
7077         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
7078
7079 2008-03-18  Richard Guenther  <rguenther@suse.de>
7080
7081         * tree-gimple.h (is_gimple_invariant_address): Declare.
7082         (is_gimple_constant): Likewise.
7083         * tree-gimple.c (is_gimple_constant): New function.
7084         (is_gimple_invariant_address): Likewise.
7085         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
7086         and is_gimple_invariant_address.
7087         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
7088         previous change.
7089         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
7090         an addressable base.
7091
7092 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
7093
7094         PR middle-end/35611
7095         * gimplify.c (gimplify_expr): Gimplify second operand of
7096         OMP_ATOMIC_LOAD.
7097
7098 2008-03-17  Richard Guenther  <rguenther@suse.de>
7099
7100         PR tree-optimization/19637
7101         * fold-const.c (fold_unary): Remove restrictions of removing
7102         intermediate pointer-conversions (P2)(P1)P0.
7103         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
7104         conversion to void pointer.
7105         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
7106
7107 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
7108
7109         PR debug/31510
7110         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
7111         emulated thread local variables.
7112
7113 2008-03-16  Richard Guenther  <rguenther@suse.de>
7114
7115         PR middle-end/35607
7116         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
7117         expand TREE_INVARIANT operations that are not gimple invariant.
7118
7119 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
7120
7121         * doc/extend.texi (Alignment): Say that the ABI controls
7122         the __alignof__ for non-strict-alignment targets rather
7123         than being a recommendation.
7124
7125 2008-03-15  Paul Brook  <paul@codesourcery.com>
7126
7127         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
7128         annotations.
7129         (arm_output_fn_unwind): Mark functions that can not be unwound.
7130
7131 2008-03-15  Paul Brook  <paul@codesourcery.com>
7132
7133         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
7134         extension instructions.
7135
7136 2008-03-15  Richard Guenther  <rguenther@suse.de>
7137
7138         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
7139         and fold constant aggregate refs.
7140         (fold_const_aggregate_ref): Handle string constants
7141         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
7142         (evaluate_stmt): Simplify now that ccp_fold folds constant
7143         aggregate refs.
7144
7145 2008-03-15  Paul Brook  <paul@codesourcery.com>
7146
7147         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
7148         (extzv): Use gen_extzv_t2.
7149         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
7150
7151 2008-03-15  Richard Guenther  <rguenther@suse.de>
7152
7153         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
7154         (fold_const_aggregate_ref): Likewise.
7155         (get_value): Return NULL if we don't have any values.
7156         (ccp_finalize): Set const_val to NULL after freeing it.
7157         * tree-flow.h (get_symbol_constant_value): Declare.
7158         (fold_const_aggregate_ref): Likewise.
7159         * tree-ssa-sccvn.c (try_to_simplify): Use them.
7160
7161 2008-03-15  Richard Guenther  <rguenther@suse.de>
7162
7163         PR middle-end/35593
7164         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
7165         to not produce negative array indices if not allowed.  Add
7166         parameter to indicate that.
7167         (maybe_fold_offset_to_component_ref): Allow negative array
7168         indices only for the first member of a structure.
7169         (maybe_fold_offset_to_reference): Allow negative array indices.
7170         (maybe_fold_stmt_addition): Likewise.
7171
7172 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
7173             Anatoly Sokolov <aesok@post.ru>
7174
7175         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
7176         (avr_arch): Add ARCH_AVR6.
7177         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
7178         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
7179         instead of fixed value 2.
7180         (print_operand_address): Use gs() asm specifier instead of pm().
7181         (avr_assemble_integer): (Ditto.).
7182         (avr_output_addr_vec_elt): (Ditto.).
7183         (print_operand): Handle "!" code.
7184         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
7185         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
7186         (AVR_HAVE_EIJMP_EICALL): Define.
7187         (AVR_3_BYTE_PC): Redefine.
7188         (AVR_2_BYTE_PC): (Ditto.).
7189         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
7190         (LINK_SPEC): Add atmega2560 and atmega2561.
7191         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
7192         (crtm2561.o).
7193         * config/avr/avr.md (call_insn): Use eicall instead of icall 
7194         for 3 byte PC devices.
7195         (call_value_insn): (Ditto.).
7196         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
7197         (indirect_jump): Use only for for 2 byte PC devices.
7198         (*tablejump): (Ditto.).
7199         (*indirect_jump_avr6): Add insn.
7200         (*tablejump_rjmp): Don't use for 3 byte PC devices.
7201         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
7202         instead of ijmp for 3 byte PC devices.
7203         (__tablejump2__): (Ditto.).
7204         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
7205         (MULITLIB_DIRNAMES): (Ditto.). 
7206         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
7207
7208 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
7209
7210         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
7211         "sse2_umulsidi3".  Use V1DI mode for operand 0.
7212         ("mmx_psadbw"): Use V1DI mode for operand 0.
7213         * config/i386/i386-modes.def (V1SI): New vector mode.
7214         * config/i386/i386.c (struct builtin_description)
7215         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
7216         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
7217         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
7218         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
7219         v1di_ftype_v8qi_v8qi type.
7220         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
7221
7222         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
7223         __builtin_ia32_pmuludq]: Fix the mode of return value.
7224
7225 2008-03-15  Richard Guenther  <rguenther@suse.de>
7226
7227         PR middle-end/35595
7228         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
7229         being a PHI_NODE.
7230
7231 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
7232         
7233         * doc/invoke.texi (Option Summary, Xtensa Options): Document
7234         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
7235         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
7236         unless TARGET_SERIALIZE_VOLATILE is enabled.
7237         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
7238         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
7239         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
7240
7241 2008-03-14  Richard Guenther  <rguenther@suse.de>
7242
7243         PR tree-optimization/34172
7244         * tree-flow.h (refs_may_alias_p): Declare.
7245         (get_single_def_stmt): Likewise.
7246         (get_single_def_stmt_from_phi): Likewise.
7247         (get_single_def_stmt_with_phi): Likewise.
7248         * tree-dfa.c (refs_may_alias_p): New function.
7249         (get_single_def_stmt): Likewise.
7250         (get_single_def_stmt_from_phi): Likewise.
7251         (get_single_def_stmt_with_phi): Likewise.
7252         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
7253         (vn_reference_lookup_1): New helper function.
7254         (vn_reference_lookup): Walk the virtual use-def chain to
7255         continue searching for a match if the def does not alias the
7256         reference we are looking for.
7257
7258 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
7259
7260         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
7261         archive and Perzl.  Update The Written Word listing.
7262
7263 2008-03-14  Richard Guenther  <rguenther@suse.de>
7264
7265         PR tree-optimization/34043
7266         PR tree-optimization/33989
7267         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
7268         when doing FRE.
7269         (bitmap_find_leader): Use extra argument to verify dominance
7270         relationship inside a basic-block.
7271         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
7272         (find_leader_in_sets): Adjust.
7273         (create_component_ref_by_pieces): Take extra argument for
7274         dominance check, handle lookup failures.
7275         (find_or_generate_expression): Likewise.
7276         (create_expression_by_pieces): Likewise.
7277         (insert_into_preds_of_block): Adjust.
7278         (create_value_expr_from): If asked for, verify all operands
7279         are in the blocks AVAIL_OUT set.
7280         (make_values_for_stmt): Check for SSA_NAMEs that are life
7281         over an abnormal edge.
7282         (compute_avail): Remove such check.
7283         (do_SCCVN_insertion): New function.
7284         (eliminate): If we do not find a leader suitable for replacement
7285         insert a replacement expression from SCCVN if available.
7286         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
7287         (struct vn_ssa_aux): Add needs_insertion flag.
7288         * tree-ssa-sccvn.c (may_insert): New global flag.
7289         (copy_reference_ops_from_ref): Value-number union member access
7290         based on its size, not type and member if insertion is allowed.
7291         (visit_reference_op_load): For a weak match from union type
7292         punning lookup a view-converted value and insert a SSA_NAME
7293         for that value if that is not found.
7294         (visit_use): Make dumps shorter.  Do not disallow value numbering
7295         SSA_NAMEs that are life over an abnormal edge to constants.
7296         (free_scc_vn): Release inserted SSA_NAMEs.
7297         (run_scc_vn): New flag to specify whether insertion is allowed.
7298         Process SSA_NAMEs in forward order.
7299         * tree-ssa-loop-im.c (for_each_index): Handle invariant
7300         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
7301         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
7302         pointer type to/from integral types that do not change the
7303         precision to regular conversions.
7304
7305 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
7306
7307         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
7308         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
7309         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
7310         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
7311         input arguments and the mode of return value.  Built-in functions
7312         that operate on whole 64-bit MMX register now use V1DI mode.
7313
7314 2008-03-13  Alon Dayan  <alond@il.ibm.com>
7315             Olga Golovanevsky  <olga@il.ibm.com>
7316
7317         PR tree-optimization/35041
7318         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
7319         to locate the right position in a statement.
7320
7321 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
7322
7323         PR target/34000
7324         PR target/35553
7325         * config/i386/xmmintrin.h:  Change all static inline functions to
7326         extern inline and add __gnu_inline__ attribute.
7327         * config/i386/bmintrin.h: Ditto.
7328         * config/i386/smmintrin.h: Ditto.
7329         * config/i386/tmmintrin.h: Ditto.
7330         * config/i386/mmintrin-common.h: Ditto.
7331         * config/i386/ammintrin.h: Ditto.
7332         * config/i386/emmintrin.h: Ditto.
7333         * config/i386/pmmintrin.h: Ditto.
7334         * config/i386/mmintrin.h: Ditto.
7335         * config/i386/mm3dnow.h: Ditto.
7336
7337 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
7338
7339         PR middle-end/35185
7340         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
7341         (lower_omp_2): New function.
7342         (lower_omp_1, lower_omp): Rewritten.
7343
7344 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
7345
7346         PR 35054
7347         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
7348         with the phrase "Microsoft Windows compilers".
7349         (Push/Pop Macro Pragmas): New subsection. Document
7350         #pragma push_macro and pragma pop_macro.
7351
7352 2008-03-12  Paul Brook  <paul@codesourcery.com>
7353
7354         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
7355
7356 2008-03-12  Paul Brook  <paul@codesourcery.com>
7357
7358         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
7359         (thumb2_alusi3_short): Exclude PLUS and MINUS.
7360         (thumb2_addsi_shortim): Rename ...
7361         (thumb2_addsi_short): ... to this.  Allow register operands.
7362         (thumb2_subsi_short): New pattern.
7363         (thumb2_one_cmplsi2_short,
7364         thumb2_negsi2_short): New patterns and peepholes.
7365
7366 2008-03-12  Paul Brook  <paul@codesourcery.com>
7367
7368         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
7369
7370 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
7371
7372         * config/i386/i386.md (int_cond): New code iterator.
7373         (fp_cond): Ditto.
7374         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
7375         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
7376         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
7377         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
7378         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
7379         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
7380         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
7381         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
7382
7383 2008-03-12  Paul Brook  <paul@codesourcery.com>
7384
7385         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
7386         instead of {arm,thumb}_compute_save_reg_mask.
7387         (output_return_instruction): Ditto.
7388         (thumb_unexpanded_epilogue): Ditto.
7389         (thumb1_expand_prologue): Ditto.
7390         (thumb1_output_function_prologue): Ditto.
7391         (arm_set_return_address): Ditto.
7392         (thumb_set_return_address): Ditto.
7393         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
7394         regs to achieve stack alignment.
7395         (thumb1_compute_save_reg_mask): Fix compiler warning.
7396         (arm_output_epilogue): Use offsets->saved_regs_mask.
7397         Adjust stack pointer by poping call clobered registers.
7398         (arm_expand_prologue): Use offsets->saved_regs_mask.
7399         Adjust stack pointer by pushing extra registers.
7400         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
7401
7402 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
7403
7404         PR tree-opt/35422
7405         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
7406         conversion to the operands of a multiplication.
7407
7408 2008-03-12  Richard Guenther  <rguenther@suse.de>
7409
7410         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
7411         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
7412         * timevar.def (TV_TREE_PHIPROP): Add.
7413         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
7414         pass description.  Use TV_TREE_PHIPROP.
7415         * tree-ssa-forwprop.c: Remove phiprop code.
7416
7417 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
7418
7419         PR middle-end/35549
7420         * omp-low.c (maybe_lookup_decl): Constify first argument.
7421         (use_pointer_for_field): Change last argument from bool to
7422         omp_context *.  Disallow shared copy-in/out in nested
7423         parallel if decl is shared in outer parallel too.
7424         (build_outer_var_ref, scan_sharing_clauses,
7425         lower_rec_input_clauses, lower_copyprivate_clauses,
7426         lower_send_clauses, lower_send_shared_vars): Adjust callers.
7427
7428 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
7429             Ira Rosen  <irar@il.ibm.com>
7430
7431         * tree-vectorizer.c (free_stmt_vec_info): New function.
7432         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
7433         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
7434         * tree-vectorizer.h (free_stmt_vec_info): Declare.
7435         * tree-vect-transform.c (vectorizable_conversion): Free
7436         vec_oprnds0 if it was allocated.
7437         (vect_permute_store_chain): Remove unused VECs.
7438         (vectorizable_store): Free VECs that are allocated in the..
7439         function.
7440         (vect_transform_strided_load, vectorizable_load): Likewise.
7441         (vect_remove_stores): Simplify the code.
7442         (vect_transform_loop): Move code to vect_remove_stores().
7443         Call vect_remove_stores() and free_stmt_vec_info().
7444
7445 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7446
7447         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
7448         TARGET_HPUX.  Revise comment.
7449         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
7450         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
7451         Use sr4 variant of `be' instruction when not generating PIC code.
7452         (attr_length_call): Adjust for above change.
7453
7454 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7455
7456         * ipa-reference.c (static_execute): Remove module_statics_const and
7457         associated setting code.
7458
7459 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
7460
7461         PR target/35540
7462         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
7463         predicate for operand 1.
7464         (paritysi2_cmp): Use register_operand predicate for operand 2.
7465         Use earlyclobber modifier for operand 1.  Remove support for
7466         memory operands.
7467         (paritydi2_cmp): Use register_operand predicate for operand 3.
7468         Use earlyclobber modifier for operand 1.  Remove support for
7469         memory operands.
7470
7471 2008-03-11  Paul Brook  <paul@codesourcery.com>
7472             Vladimir Prus  <vladimir@codesourcery.com>
7473
7474         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
7475         (arm_compute_save_reg0_reg12_mask): Always
7476         check if register 11 must be saved.  Always safe hard frame pointer
7477         when frame_pointer_needeed.
7478         (arm_compute_save_reg_mask): Save IP and PC
7479         only with apcs frames.
7480         (arm_output_epilogue): Adjust Thumb2 codepath to
7481         be also invoked and work for ARM non-apcs frames.
7482         (arm_expand_prologue): Don't bother saving IP
7483         for non-apcs frame, since it's not clobbered by
7484         prologue code.  Implement non-apcs frame
7485         layout.
7486
7487 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
7488
7489         PR rtl-optimization/35281
7490         * expr.c (convert_move): Use a new pseudo for the intermediate
7491         from_mode->word_mode result.
7492
7493 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
7494
7495         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
7496         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
7497         * toplev.c (compile_file): Don't call it.
7498
7499 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
7500
7501         PR middle-end/35526
7502         * expr.c (store_expr): Call emit_block_move if the mode
7503         of "temp" RTX is BLKmode.
7504
7505 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7506             Richard Guenther  <rguenther@suse.de>
7507
7508         PR tree-optimization/31358
7509         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
7510         the step with a NULL_TREE.
7511         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
7512         to sizetype if type is a pointer type.
7513         (add_candidate_1): Don't convert the base and step to
7514         the generic type if the orginal type is a pointer type.
7515         (add_iv_value_candidates): Use sizetype for the step
7516         if type is a pointer type.
7517         (cand_value_at): Likewise.
7518         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
7519         for pointer types.
7520         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
7521         Don't convert the tem affine to the type.
7522         (add_elt_to_tree): Use sizetype for the step if a pointer.
7523         Use POINTER_PLUS_EXPR for pointers.
7524         (aff_combination_to_tree): Use sizetype for the step if a
7525         pointer.
7526
7527 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
7528
7529         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
7530         Remove commutativity hint.
7531
7532 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
7533
7534         PR c/35438
7535         PR c/35439
7536         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
7537         errorneous type.  Check that v is a VAR_DECL.
7538
7539         PR middle-end/35099
7540         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
7541
7542 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
7543
7544         PR tree-optimization/35494
7545         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
7546         may be overriden at link and run time.
7547
7548 2008-03-10  Richard Guenther  <rguenther@suse.de>
7549
7550         PR tree-optimization/34677
7551         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
7552         (poolify_tree): Likewise.
7553         (modify_expr_template): Likewise.
7554         (poolify_modify_stmt): Likewise.
7555         (insert_fake_stores): Handle all component-ref style stores
7556         in addition to INDIRECT_REF.  Also handle complex types.
7557         Do not poolify the inserted load.
7558         (realify_fake_stores): Do not rebuild the tree but only
7559         make it a SSA_NAME copy.
7560         (init_pre): Remove initialzation of modify_expr_template.
7561         Do not allocate modify_expr_node_pool.
7562         (fini_pre): Do not free modify_expr_node_pool.
7563
7564 2008-03-10  Paul Brook  <paul@codesourcery.com>
7565
7566         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
7567         to avoid conflicts.
7568
7569 2008-03-10  Paul Brook  <paul@codesourcery.com>
7570             Mark Shinwell  <shinwell@codesourcery.com>
7571
7572         * config/arm/cortex-r4.md: New.
7573         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
7574         insn attributes.
7575         * config/arm/arm.md: Include cortex-r4.md.
7576         (insn): Add smmls, sdiv and udiv values.
7577         (generic_sched): Don't use generic scheduling for Cortex-R4.
7578         (arm_issue_rate): New function.
7579         (TARGET_SCHED_ISSUE_RATE): Define.
7580
7581 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
7582
7583         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
7584
7585 2008-03-10  Richard Guenther  <rguenther@suse.de>
7586
7587         * tree-ssa-pre.c (get_sccvn_value): Simplify.
7588         (compute_avail): Do not add stmt uses to AVAIL_OUT.
7589
7590 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
7591
7592         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
7593         Set default to true.
7594
7595 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7596
7597         * c.opt (Wsynth): Deprecate.
7598         * doc/invoke.texi (Option Summary, Warning Options): Document
7599         -Wno-format-contains-nul.
7600
7601 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
7602
7603         PR target/35496
7604         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
7605         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
7606
7607 2008-03-09  Ira Rosen  <irar@il.ibm.com>
7608
7609         * config/rs6000/rs6000.c (builtin_description): Rename vector
7610         left shift operations.
7611         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
7612         (altivec_vsl<VI_char>): Rename to ...
7613         (ashl<mode>3): ... new name.
7614         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
7615         gen_ashlv4si3.
7616         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
7617
7618 2008-03-08  Richard Guenther  <rguenther@suse.de>
7619
7620         * coverage.h (tree_coverage_counter_addr): Declare.
7621         * coverage.c (tree_coverage_counter_addr): New function.
7622         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
7623         before using again.
7624         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
7625         (tree_gen_one_value_profiler): Likewise.
7626         (tree_gen_ic_profiler): Likewise.
7627         (tree_gen_average_profiler): Likewise.
7628         (tree_gen_ior_profiler): Likewise.
7629
7630 2008-03-08  Richard Guenther  <rguenther@suse.de>
7631
7632         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
7633         (vn_binary_op_insert): Likewise.
7634         (vn_unary_op_lookup): Likewise.
7635         (vn_unary_op_insert): Likewise.
7636         (vn_nary_op_lookup): Declare.
7637         (vn_nary_op_insert): Likewise.
7638         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
7639         and binary hashes, use a single obstack for unary_op_pool
7640         and binary_op_pool.
7641         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
7642         a single struct vn_nary_op_s.  Store tree code length and
7643         a variable number of operands.
7644         (struct vn_reference_op_struct): Remove unused op2.
7645         (vn_reference_op_eq): Do not compare op2.
7646         (vn_reference_op_compute_hash): Do not compute hash of op2.
7647         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
7648         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
7649         with vn_nary_op_compute_hash.
7650         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
7651         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
7652         vn_nary_op_lookup.
7653         (vn_unary_op_insert, vn_binary_op_insert): Replace with
7654         vn_nary_op_insert.
7655         (visit_unary_op): Call nary functions.
7656         (visit_binary_op): Likewise.
7657         (process_scc): Adjust for struct vn_tables_s changes.
7658         (allocate_vn_table): Likewise.
7659         (free_vn_table): Likewise.
7660         * tree-vn.c (vn_add): Call nary functions.
7661         (vn_lookup): Likewise.
7662
7663 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
7664
7665         PR target/35498
7666         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
7667         wdst back after sync_compare_and_swapqhi_internal.
7668
7669 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
7670
7671         PR target/22152
7672         * config/i386/i386-modes.def (V1DI): New vector mode.
7673         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
7674         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
7675         (MMXMODE248): Ditto.
7676         (MMXMODE): Add V1DI mode.
7677         (mmxvecsize): Change DI mode to V1DI mode.
7678         ("mov<mode>): Use MMXMODEI8 mode iterator.
7679         ("*mov<mode>_internal_rex64"): Ditto.
7680         ("*mov<mode>_internal"): Ditto.
7681         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
7682         ("mmx_sub<mode>3"): Ditto.
7683         ("mmx_adddi3"): Remove insn pattern.
7684         ("mmx_subdi3"): Ditto.
7685         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
7686         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
7687         ("mmx_ashl<mode>3"): Ditto.
7688         ("mmx_lshrdi3"): Remove insn pattern.
7689         ("mmx_ashldi3"): Ditto.
7690         * config/i386/i386.c (classify_argument): Handle V1DImode.
7691         (function_arg_advance_32): Ditto.
7692         (function_arg_32): Ditto.
7693         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
7694         mmx_addv1di3 insn pattern.
7695         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
7696         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
7697         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
7698         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
7699         Remove definitions of built-in functions.
7700         (V1DI_type_node): New node.
7701         (v1di_ftype_v1di_int): Ditto.
7702         (v1di_ftype_v1di_v1di): Ditto.
7703         (v2si_ftype_v2si_si): Ditto.
7704         (v4hi_ftype_v4hi_di): Remove node.
7705         (v2si_ftype_v2si_di): Ditto.
7706         (ix86_init_mmx_sse_builtins): Handle V1DImode.
7707         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
7708         Redefine builtins using def_builtin_const with *_ftype_*_int node.
7709         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
7710         Add new builtins using def_builtin_const.
7711         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
7712         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
7713         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
7714         * config/i386/mmintrin.h (__v1di): New typedef.
7715         (_mm_add_si64): Cast arguments to __v1di type.
7716         (_mm_sub_si64): Ditto.
7717         (_mm_sll_pi16): Cast __count to __v4hi type.
7718         (_mm_sll_pi32): Cast __count to __v2si type.
7719         (_mm_sll_si64): Cast arguments to __v1di type.
7720         (_mm_srl_pi16): Cast __count to __v4hi type.
7721         (_mm_srl_pi32): Cast __count to __v2si type.
7722         (_mm_srl_si64): Cast arguments to __v1di type.
7723         (_mm_sra_pi16): Cast __count to __v4hi type.
7724         (_mm_sra_pi32): Cast __count to __v2si type.
7725         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
7726         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
7727         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
7728         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
7729         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
7730         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
7731         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
7732         (_mm_srai_pi32): Use __builtin_ia32_psradi.
7733         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
7734         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
7735         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
7736         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
7737
7738 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
7739
7740         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
7741
7742 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
7743
7744         PR target/35373
7745         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
7746         reg+const addressing for Altivec modes.  Don't generate reg+reg
7747         addressing for TFmode or TDmode quantities.
7748
7749 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
7750
7751         * c-common.c (vector_types_convertible_p): Call langhook
7752         instead of comptypes.
7753
7754 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7755
7756         PR tree-opt/35402
7757         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
7758         integral and scalar float variables which have a
7759         NULL DECL_INITIAL.
7760
7761 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
7762
7763         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
7764         dwarf_register_span hook when emitting unwind information for
7765         register-to-memory saves.
7766         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
7767         (rs6000_frame_related): Remove call to spe_synthesize_frame.
7768
7769 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
7770
7771         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
7772         for the same VAR_DECL.
7773
7774 2008-03-06  Tom Tromey  <tromey@redhat.com>
7775
7776         * treelang: Delete.
7777         * doc/standards.texi (Standards): Don't mention treelang.
7778         * doc/invoke.texi (Overall Options): Don't mention treelang.
7779         * doc/install.texi (Prerequisites): Don't mention bison or
7780         treelang.
7781         (Configuration): Don't mention treelang.
7782         (Building): Likewise.
7783         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
7784
7785 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
7786
7787         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
7788         word-extractions out of a multi-word object.
7789
7790 2008-03-06  Richard Guenther  <rguenther@suse.de>
7791
7792         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
7793         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
7794         result type and precision.
7795         * expr.c (get_inner_reference): Set unsignedp based on the result
7796         type of BIT_FIELD_REF.
7797         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
7798         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
7799         (try_instantiate_multiple_fields): Likewise.  Use the correct type
7800         for BIT_FIELD_REF.
7801         (sra_build_assignment): Likewise.
7802         (sra_build_elt_assignment): Likewise.
7803         (sra_explode_bitfield_assignment): Likewise.
7804         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
7805         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
7806         set BIT_FIELD_REF_UNSIGNED.
7807         (vectorizable_load): Likewise.
7808
7809 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7810
7811         * cse.c (cse_extended_basic_block): Invalidate artificial defs
7812         at bb start.
7813
7814 2008-03-06  Richard Guenther  <rguenther@suse.de>
7815
7816         * alias.c (struct alias_set_entry): Move has_zero_child field
7817         to pack with alias_set.
7818
7819 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
7820
7821         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7822         32bit host.
7823
7824 2008-03-05  Ian Lance Taylor  <iant@google.com>
7825
7826         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
7827
7828 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
7829
7830         * fwprop.c (update_df): Support width and offset parameters of
7831         df_ref_create.
7832         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
7833         global_conflicts): Change DF_REF_EXTRACT to either
7834         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7835         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7836         * df-scan.c (df_ref_record, df_defs_record,
7837         df_ref_create_structure, df_def_record_1, df_uses_record,
7838         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
7839         df_bb_refs_collect, df_entry_block_defs_collect,
7840         df_exit_block_uses_collect): Support new width and offset fields.
7841         (ref_extract_pool): New storage pool.
7842         (df_free_ref): New function.
7843         (df_reg_chain_unlink, df_free_collection_rec,
7844         df_sort_and_compress_refs): Call df_free_ref.
7845         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
7846         of df_ref_extract.
7847         (df_ref_create_structure): Allocate df_ref_extract if offset and
7848         width fields are used.
7849         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
7850         (df_uses_record): Get offset and width from ZERO_EXTRACT 
7851         and SIGN_EXTRACT.
7852         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
7853         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7854         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7855         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
7856         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7857         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7858         (df_ref_extract): New structure.
7859         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
7860         (df_ref_create): Add width and offset parameters.
7861         
7862 2008-03-05  Richard Guenther  <rguenther@suse.de>
7863
7864         * tree-ssa-structalias.c (get_constraint_for_component_ref):
7865         Use ranges_overlap_p.
7866         (offset_overlaps_with_access): Rename
7867         to ranges_overlap_p and move ...
7868         * tree-flow-inline.h (ranges_overlap_p): ... here.
7869
7870         * tree.h (get_inner_reference, handled_component_p): Update
7871         comments.
7872
7873         * tree.h (record_component_aliases, get_alias_set,
7874         alias_sets_conflict_p, alias_sets_must_conflict_p,
7875         objects_must_conflict_p): Move declarations ...
7876         * alias.h (record_component_aliases, get_alias_set,
7877         alias_sets_conflict_p, alias_sets_must_conflict_p,
7878         objects_must_conflict_p): ... here.
7879         Include coretypes.h.
7880         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
7881
7882 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
7883
7884         * cfg.c: Include tree-flow.h.
7885         (remove_edge_raw): Call redirect_edge_var_map_clear.
7886         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
7887         * tree-flow-inline.h (redirect_edge_var_map_def): New.
7888         (redirect_edge_var_map_result): New.
7889         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
7890         PENDING_STMT use with redirect_edge_var_map_*.
7891         * tree-ssa.c (edge_var_maps): New definition.
7892         (redirect_edge_var_map_add): New.
7893         (redirect_edge_var_map_clear): New.
7894         (redirect_edge_var_map_dup): New.
7895         (redirect_edge_var_map_vector): New.
7896         (redirect_edge_var_map_destroy): New.
7897         (ssa_redirect_edge): Replace PENDING_STMT use with
7898         redirect_edge_var_map_*.
7899         (flush_pending_stmts): Same.
7900         (delete_tree_ssa): Destroy edge var map.
7901         * tree-flow.h (struct _edge_var_map): New.
7902         Define edge_var_map vector type.
7903         Declare redirect_edge_var_map_* prototypes.
7904         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
7905         * tree-cfg.c (reinstall_phi_args): Replace
7906         PENDING_STMT use with redirect_edge_var_map_*.
7907
7908 2008-03-05  Richard Guenther  <rguenther@suse.de>
7909
7910         PR tree-optimization/35472
7911         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
7912         whose single use_stmt has a overlapping set of loaded and
7913         stored symbols as that use_stmt might be a noop assignment then.
7914
7915 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
7916
7917         * gthr-rtems.h: Implement __gthread_mutex_destroy.
7918
7919 2008-03-05  Richard Guenther  <rguenther@suse.de>
7920
7921         PR c++/35336
7922         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
7923         should be constants.
7924         * tree-cfg.c (verify_expr): Verify it.
7925         * fold-const.c (fold_truthop): Remove code generating
7926         BIT_FIELD_REFs of structure bases.
7927         (fold_binary): Likewise.
7928         (fold_ternary): Position and size of BIT_FIELD_REFs are
7929         always host integers.
7930         (make_bit_field_ref): Remove.
7931         (optimize_bit_field_compare): Remove.
7932         (all_ones_mask_p): Remove.
7933
7934 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
7935
7936         PR gcc/33009
7937         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
7938         (split_block_and_df_analyze): New. Split basic block and rebuild
7939         dataflow.
7940         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
7941         SPLIT_BLOCK.
7942         (split_pattern_seq): Likewise.
7943         (erase_matching_seqs): Likewise.
7944         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
7945
7946 2008-03-04  Geoff Keating  <geoffk@apple.com>
7947
7948         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
7949         declaration and code.
7950         (tree_invalid_nonnegative_warnv_p): Likewise.
7951
7952 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
7953
7954         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
7955         examples.  Truncate option-names then causing overfull hbox.
7956
7957 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7958
7959         PR target/35222
7960         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
7961         on hpux10.
7962         * configure: Rebuilt.
7963
7964 2008-03-04  Rafael Espindola  <espindola@google.com>
7965
7966         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
7967         (tree_unary_nonnegative_warnv_p): New.
7968         (tree_binary_nonnegative_warnv_p): New.
7969         (tree_single_nonnegative_warnv_p): New.
7970         (tree_invalid_nonnegative_warnv_p): New.
7971         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
7972
7973 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7974
7975         PR 28322
7976         * opts.c (handle_option): Postpone 'unknown option' errors only for
7977         warning options.
7978
7979 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
7980
7981         PR target/35453
7982         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
7983         (_SIDD_XXX): This.
7984
7985 2008-03-04  Rafael Espindola  <espindola@google.com>
7986
7987         * fold-const.c (tree_unary_nonzero_warnv_p): New.
7988         (tree_binary_nonzero_warnv_p): New.
7989         (tree_single_nonzero_warnv_p): New.
7990         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
7991
7992 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
7993
7994         PR middle-end/35456
7995         * fold-const.c (fold_cond_expr_with_comparison): Prevent
7996         transformations for modes that have signed zeros.
7997         * ifcvt.c (noce_try_abs): Ditto.
7998
7999 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
8000
8001         * config/i386/i386.c (override_options): Force
8002         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
8003
8004 2008-03-04  Jan Hubicka  <jh@suse.cz>
8005
8006         PR c++/35262
8007         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
8008         in last commit.
8009
8010 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
8011
8012         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
8013         label to probe the stack.
8014
8015 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
8016
8017         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
8018         (__gthr_win32_mutex_destroy): Declare.
8019         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
8020         __gthr_win32_mutex_destroy.
8021         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
8022
8023 2008-03-03  Jan Hubicka  <jh@suse.cz>
8024
8025         PR c++/35262
8026         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
8027         aggressive on inlining cold calls.
8028
8029 2008-03-03  Richard Guenther  <rguenther@suse.de>
8030
8031         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
8032         struct copies into the expression table.
8033         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
8034         (try_to_simplify): Likewise.
8035         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
8036         integral and pointer arguments which do not change the
8037         precision to NOP_EXPRs.
8038         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
8039         VIEW_CONVERT_EXPR case.
8040
8041 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8042
8043         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
8044         defined in a loop at depth 0 is invariant.
8045         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
8046         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
8047         be called at loop depth 0.
8048
8049 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
8050
8051         PR driver/35420
8052         * gcc.c (process_command): Update copyright notice dates.
8053         * gcov.c (print_version): Likewise.
8054         * gcov-dump.c (print_version): Likewise.
8055         * mips-tfile.c (main): Likewise.
8056         * mips-tdump.c (main): Likewise.
8057
8058 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8059
8060         PR 24924
8061         * c-common.c (flag_permissive): Delete.
8062         (constant_expression_warnings): Check flags first.
8063         (constant_expression_error): New.
8064         * c-common.h (flag_permissive): Delete.
8065         (constant_expression_error): Declare.
8066         * flags.h (flag_permissive): Declare. Update description.
8067         * diagnostic.c (pedwarn): Update.
8068         (permerror): New.
8069         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
8070         (permissive_error_kind): New.
8071         * toplev.c (flag_permissive): Define. Update description.
8072         * toplev.h (permissive_error_kind): Declare.
8073         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
8074         (pedwarn_c90): Use pedantic_warning_kind.
8075         * c-opts.c (c_common_post_options): flag_permissive does not affect
8076         flag_pedantic_errors.
8077
8078 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
8079
8080         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
8081         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
8082         __absvsi2, __absvDI2): Use unsigned arithmetic.
8083
8084 2008-03-02  Andi Kleen  <ak@suse.de>
8085             Richard Guenther  <rguenther@suse.de>
8086
8087         * struct-equiv.c: Remove file.
8088         * cfg_cleanup.c (condjump_equiv_p): Remove.
8089         * Makefile.in (OBJS-common): Remove struct-equiv.o.
8090         (struct-equiv.o): Remove rule.
8091         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
8092         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
8093         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
8094
8095 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8096
8097         * ifcvt.c (noce_process_if_block): Try to handle only the then
8098         block if the else block exists but isn't suitable.
8099
8100 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
8101
8102         PR gcc/35063
8103         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
8104         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
8105         regression from previous patch.
8106
8107 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
8108
8109         PR gcc/35063
8110         * gthr.h: Add __gthread_mutex_destroy as a function that must be
8111         implemented.
8112         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
8113         * gthr-single.h (__gthread_mutex_destroy): Likewise.
8114         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
8115         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
8116         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
8117         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
8118         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
8119         (__gthread_mutex_destroy_function): Rename to
8120         __gthread_mutex_destroy.
8121         * gthr-dce.h (__gthread_mutex_destroy): Call
8122         pthread_mutex_destroy.
8123         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
8124         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
8125         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
8126
8127 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8128
8129         * df-scan.c (df_ref_chain_change_bb): Simplify.
8130         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
8131         set_block_for_insn if there's any change.
8132         * df.h ((df_insn_change_bb): Fix prototype.
8133         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
8134         df_insn_change_bb, don't call set_block_for_insn.
8135         * emit-rtl.c (reorder_insns): Likewise.
8136         * haifa-sched.c (move_insn): Likewise.
8137
8138 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8139
8140         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
8141
8142 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8143
8144         * tree-flow-inline.h (next_readonly_imm_use): Return
8145         NULL_USE_OPERAND_P after the end.
8146
8147 2008-03-01  Richard Guenther  <rguenther@suse.de>
8148
8149         PR tree-optimization/35411
8150         * tree-sra.c (sra_build_assignment): Split conversion to
8151         final type to a separate statement if we are not assigning
8152         to a register.
8153
8154 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8155
8156         * fold-const.c (fold_convertible_p): Correct the logic to follow
8157         that in fold_convert().
8158
8159 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
8160
8161         PR c++/35315
8162         * tree-inline.c (build_duplicate_type): When we make a
8163         duplicate type, make it unique in the canonical types system.
8164
8165 2008-02-29  Tom Tromey  <tromey@redhat.com>
8166
8167         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
8168         input_file_stack_history, input_file_stack_restored): Remove.
8169         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
8170         * input.h (struct file_stack): Remove.
8171         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
8172         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
8173         Likewise.
8174         * diagnostic.h (struct diagnostic_context) <last_module>: Change
8175         type.
8176         (diagnostic_last_module_changed): Add 'map' argument.
8177         (diagnostic_set_last_function): Likewise.
8178         * diagnostic.c (undiagnostic_report_current_module): Iterate using
8179         line map, not input_file_stack.
8180         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
8181
8182 2008-02-29  Paul Brook  <paul@codesourcery.com>
8183
8184         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
8185
8186 2008-02-29  Paul Brook  <paul@codesourcery.com>
8187
8188         * config/arm/ieee754-df.S (muldf3): Use RET macros.
8189
8190 2008-02-29  Richard Guenther  <rguenther@suse.de>
8191
8192         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
8193         vn_lookup_or_add.
8194         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
8195         value for comparing for a store match.
8196         (simplify_unary_expression): Do nothing for SSA_NAMEs.
8197         (try_to_simplify): Do not do a full-blown reference lookup.
8198
8199 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
8200
8201         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
8202         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8203
8204         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
8205
8206 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
8207
8208         * tree-loop-linear.c (try_interchange_loops): Compare memory access
8209         strides against cache sizes.
8210
8211 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
8212
8213         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
8214         constant to fpul.
8215
8216 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
8217
8218         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
8219         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
8220         is smaller than the original promoted value.
8221         (simplify_subreg): If OP is a SUBREG, try to preserve its
8222         SUBREG_PROMOTED_VAR_P information.
8223
8224 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
8225
8226         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
8227         (VN_INFO_GET): Allocate new objects on the obstack.
8228         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
8229         for rpo_numbers_temp, for consistency.
8230         (free_scc_vn): Free the obstack.
8231
8232 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
8233
8234         * doc/invoke.texi: Document -ftree-loop-distribution.
8235         * tree-loop-distribution.c: New.
8236         * tree-pass.h (pass_loop_distribution): New.
8237         * graphds.h (struct graph): Add htab_t indices.
8238         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8239         * tree-vectorizer.c (rename_variables_in_loop): Extern.
8240         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
8241         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8242         * tree-data-ref.c (debug_data_dependence_relations): New.
8243         (dump_data_dependence_relation): Also print data references.
8244         (free_data_ref): Extern.
8245         (same_access_functions): Moved...
8246         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8247         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8248         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8249         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
8250         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
8251         (stmts_from_loop): Skip LABEL_EXPR.
8252         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
8253         New.
8254         (build_rdg): Initialize rdg->indices htab.
8255         (free_rdg, stores_from_loop, ref_base_address,
8256         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8257         have_similar_memory_accesses_1, ref_base_address_1,
8258         remove_similar_memory_refs): New.
8259         * tree-data-ref.h: Depend on tree-chrec.h.
8260         (debug_data_dependence_relations, free_data_ref): Declared.
8261         (same_access_functions): ... here.
8262         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
8263         New.
8264         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
8265         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
8266         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
8267         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8268         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8269         rdg_vertex_for_stmt): Declared.
8270         (struct rdg_edge): Add level.
8271         (RDGE_LEVEL): New.
8272         (free_rdg, stores_from_loop, remove_similar_memory_refs,
8273         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
8274         Declared.
8275         (rdg_has_similar_memory_accesses): New.
8276         * tree-vect-analyze.c: Remove unused static decls.
8277         * lambda.h (dependence_level): New.
8278         * common.opt (ftree-loop-distribution): New.
8279         * tree-flow.h (mark_virtual_ops_in_bb, 
8280         slpeel_tree_duplicate_loop_to_edge_cfg,
8281         rename_variables_in_loop): Declared.
8282         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
8283         (OBJS-common): Add tree-loop-distribution.o.
8284         (tree-loop-distribution.o): New rule.
8285         * tree-cfg.c (mark_virtual_ops_in_bb): New.
8286         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8287         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
8288
8289 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
8290
8291         PR target/33963
8292         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
8293         other than structures and unions.
8294
8295 2008-02-28  Richard Guenther  <rguenther@suse.de>
8296
8297         Revert:
8298         2008-02-26  Richard Guenther  <rguenther@suse.de>
8299
8300         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
8301         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
8302         (lookup_decl_from_uid): Declare.
8303         (remove_decl_from_map): Likewise.
8304         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
8305         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
8306         (decl_for_uid_map): New global hashtable mapping DECL_UID
8307         to the decl tree.
8308         (init_ttree): Allocate it.
8309         (insert_decl_to_uid_decl_map): New helper function.
8310         (make_node_stat): Insert new decls into the map.
8311         (copy_node_stat): Likewise.
8312         (lookup_decl_from_uid): New function.
8313         (remove_decl_from_map): Likewise.
8314         (print_decl_for_uid_map_statistics): New helper.
8315         (dump_tree_statistics): Call it.
8316
8317         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
8318         (referenced_var_iterator): Adjust.
8319         (FOR_EACH_REFERENCED_VAR): Adjust.
8320         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
8321         (num_referenced_vars): Adjust.
8322         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
8323         (first_referenced_var): Remove.
8324         (end_referenced_vars_p): Likewise.
8325         (next_referenced_var): Likewise.
8326         (referenced_var_iterator_set): New helper function.
8327         * tree-dfa.c (referenced_var_lookup): Adjust.
8328         (referenced_var_check_and_insert): Likewise.
8329         (remove_referenced_var): Likewise.
8330         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8331         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8332         (verify_call_clobbering): Likewise.
8333         (verify_memory_partitions): Likewise.
8334         (init_tree_ssa): Allocate bitmap instead of hashtable for
8335         referenced_vars.
8336         (delete_tree_ssa): Adjust.
8337         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8338         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8339         (compute_tag_properties): Likewise.
8340         (set_initial_properties): Likewise.
8341         (find_partition_for): Likewise.
8342         (update_reference_counts): Likewise.
8343         (dump_may_aliases_for): Likewise.
8344         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8345         (add_call_clobber_ops): Likewise.
8346         (add_call_read_ops): Likewise.
8347         (get_asm_expr_operands): Likewise.
8348         * tree-into-ssa.c (dump_decl_set): Likewise.
8349         (update_ssa): Likewise.
8350         * tree-sra.c (scan_function): Likewise.
8351         (decide_instantiations): Likewise.
8352         (scalarize_parms): Likewise.
8353         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8354         (dsa_named_for): Likewise.
8355         * tree-ssa-structalias.c (update_alias_info): Likewise.
8356         (merge_smts_into): Likewise.
8357
8358 2008-02-27  David Daney  <ddaney@avtrex.com>
8359
8360         PR target/34409
8361         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
8362         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
8363         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
8364         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
8365         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
8366
8367 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
8368
8369         PR target/25477
8370         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
8371         (BUILT_IN_NEXTTOWARD): Remove.
8372         (BUILT_IN_NEXTTOWARDF): Ditto.
8373         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
8374         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
8375
8376 2008-02-27  Tom Tromey  <tromey@redhat.com>
8377
8378         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
8379         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
8380
8381 2008-02-27  Jan Beulich  <jbeulich@novell.com>
8382
8383         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
8384         update the respective field on newdecl.
8385
8386 2008-02-27  Revital Eres  <eres@il.ibm.com>
8387
8388         PR rtl-optimization/34999
8389         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
8390         crossing edges that ends with a call insn.
8391         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
8392         call insn and clear the EDGE_CROSSING flag of the crossing edge
8393         when fixing fallthru edges.
8394
8395 2008-02-27  Richard Guenther  <rguenther@suse.de>
8396
8397         PR middle-end/35390
8398         * fold-const.c (fold_unary): Return the correct argument,
8399         converted to the result type.
8400
8401 2008-02-27  Richard Guenther  <rguenther@suse.de>
8402
8403         PR middle-end/34971
8404         * expr.c (expand_expr_real_1): Assert on rotates that operate
8405         on partial modes.
8406         * fold-const.c (fold_binary): Use the types precision, not the
8407         bitsize of the mode if folding rotate expressions.  Build rotates
8408         only for full modes.
8409
8410 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
8411
8412         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
8413         and CPP_PRAGMA_EOL.
8414         * c-pragma.c (pragma_ns_name): New typedef.
8415         (registered_pp_pragmas): New variable.
8416         (c_pp_lookup_pragma): New function.
8417         (c_register_pragma_1): If flag_preprocess_only, do nothing
8418         for non-expanded pragmas, for expanded ones push pragma's
8419         namespace and name into registered_pp_pragmas vector.
8420         (c_invoke_pragma_handler): Register OpenMP pragmas even when
8421         flag_preprocess_only, don't register GCC pch_preprocess
8422         pragma if flag_preprocess_only.
8423         * c-opts.c (c_common_init): Call init_pragma even if
8424         flag_preprocess_only.
8425         * c-pragma.c (c_pp_lookup_pragma): New prototype.
8426         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
8427         cpp_register_pragma if flag_preprocess_only.
8428
8429 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8430
8431         PR c/28800
8432         * c-parser.c (c_parser_translation_unit): Warn for empty
8433         translation unit, not empty source file.
8434
8435 2008-02-26  Paul Brook  <paul@codesourcery.com>
8436
8437         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
8438         operand for Thumb-2.
8439         * config/arm/arm.h (reg_class): Add CORE_REGS.
8440         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
8441         (BASE_REG_CLASS): Use CORE_REGS.
8442         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
8443         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
8444         (REGNO_OK_FOR_INDEX_P): Exclude SP.
8445         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
8446         ARM_REGNO_OK_FOR_INDEX_P.
8447         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
8448         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
8449         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
8450         (ldm/stm peepholes): Ditto.
8451         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
8452         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
8453         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
8454         * config/arm/constraints.md: Enable "k" constraint on ARM.
8455
8456 2008-02-27  Ben Elliston  <bje@au.ibm.com>
8457
8458         * config/rs6000/rs6000.c: Annotate cache line size field in all
8459         instances of struct processor_costs.
8460
8461 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
8462
8463         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
8464         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
8465         jump_bypass): New counters.
8466         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
8467         * dce.c (gate_ud_dce): Same.
8468         (gate_fast_dce): Same.
8469         * dse.c (gate_dse1): New function.
8470         (gate_dse2): New function.
8471         (gate_dse): Merge results of new gate functions.
8472         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
8473         (gate_handle_jump_bypass): Add dbg_cnt.
8474         (gate_handle_gcse): Add dbg_cnt.
8475         * ifcvt.c (gate_handle_if_conversion): Same.
8476         (gate_handle_if_after_combine): Same.
8477         (gate_handle_if_after_reload): Same.
8478         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
8479
8480 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
8481
8482         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
8483         line sizes.
8484         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
8485
8486 2008-02-26  Jason Merrill  <jason@redhat.com>
8487
8488         PR c++/35315
8489         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
8490         alone if it's the naming decl for the type's main variant.
8491
8492 2008-02-26  Tom Tromey  <tromey@redhat.com>
8493
8494         * system.h (USE_MAPPED_LOCATION): Poison.
8495         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
8496         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
8497         (make_goto_expr_edges): Likewise.
8498         (remove_bb): Likewise.
8499         (execute_warn_function_return): Likewise.
8500         * basic-block.h (struct edge_def) <goto_locus>: Change type to
8501         location_t.
8502         * c-common.c (fname_decl): Remove old location code.
8503         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
8504         location code.
8505         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
8506         variant.
8507         (ASM_INPUT_SOURCE_LOCATION): Likewise.
8508         (gen_rtx_ASM_INPUT): Likewise.
8509         (gen_rtx_ASM_INPUT_loc): Likewise.
8510         (get_rtx_asm_OPERANDS): Remove.
8511         * cfglayout.c (insn_locators_alloc): Remove old location code.
8512         (set_curr_insn_source_location): Likewise.
8513         (curr_insn_locator): Likewise.
8514         * print-tree.c (print_node): Remove old location code.
8515         * tree-mudflap.c (mf_varname_tree): Remove old location code.
8516         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
8517         * cfgexpand.c (expand_gimple_cond_expr): Don't use
8518         location_from_locus.
8519         (construct_exit_block): Remove old location code.
8520         * emit-rtl.c (force_next_line_note): Remove old location code.
8521         * profile.c (branch_prob): Remove old location code.
8522         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
8523         LOC_LINE): Remove old-location variants.
8524         * langhooks.c (lhd_print_error_function): Remove old location
8525         code.
8526         * configure, config.in: Rebuilt.
8527         * configure.ac (--enable-mapped-location): Remove.
8528         * c-decl.c (c_init_decl_processing): Remove old location code.
8529         (finish_function): Likewise.
8530         * recog.c (decode_asm_operands): Remove old location code.
8531         * c-pch.c (c_common_read_pch): Remove old location code.
8532         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
8533         variants.
8534         * gimple-low.c (lower_function_body): Remove old location code.
8535         * toplev.c (unknown_location): Remove.
8536         (push_srcloc): Remove old-location variant.
8537         (process_options): Remove old location code.
8538         (lang_dependent_init): Likewise.
8539         * input.h (UNKNOWN_LOCATION): Move definition.
8540         (location_t): Undeprecate.
8541         (source_locus): Remove.
8542         (location_from_locus): Remove.
8543         (struct location_s): Remove.
8544         Remove all old-location code.
8545         (input_line, input_filename): Remove.
8546         * final.c (final_scan_insn): Remove old location code.
8547         * diagnostic.c (diagnostic_build_prefix): Remove
8548         USE_MAPPED_LOCATION test.
8549         * tree.h (gimple_stmt) <locus>: Now a location_t.
8550         (tree_exp) <locus>: Likewise.
8551         (DECL_IS_BUILTIN): Remove old-location variant.
8552         (annotate_with_file_line, annotate_with_locus): Likewise.
8553         (expr_locus, set_expr_locus): Update.
8554         * tree.c (build1_stat): Remove old location code.
8555         (last_annotated_node): Remove.
8556         (annotate_with_file_line): Remove old-location variant.
8557         (annotate_with_locus): Likewise.
8558         (expr_location): Remove old location code.
8559         (set_expr_location): Likewise.
8560         (expr_has_location): Likewise.
8561         (expr_locus): Likewise.
8562         (set_expr_locus): Likewise.
8563         (expr_filename): Don't use location_from_locus.
8564         (expr_lineno): Likewise.
8565         * rtl-error.c (location_for_asm): Remove old location code.
8566         * c-lex.c (cb_line_change): Remove old location code.
8567         (fe_file_change): Likewise.
8568         (cb_def_pragma): Likewise.
8569         (c_lex_with_flags): Likewise.
8570         * gengtype.c (do_typedef): Don't special-case location types.
8571         (define_location_structures): Remove.
8572         (main): Don't call define_location_structures.
8573         * tree-pretty-print.c (dump_implicit_edges): Remove old location
8574         code.
8575
8576 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8577
8578         PR 26264
8579         * builtins.def (BUILT_IN_STDARG_START): Remove.
8580         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
8581         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
8582         * tree-inline.c (inline_forbidden_p_1): Likewise.
8583         
8584 2008-02-26  Richard Guenther  <rguenther@suse.de>
8585
8586         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
8587         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
8588         (lookup_decl_from_uid): Declare.
8589         (remove_decl_from_map): Likewise.
8590         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
8591         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
8592         (decl_for_uid_map): New global hashtable mapping DECL_UID
8593         to the decl tree.
8594         (init_ttree): Allocate it.
8595         (insert_decl_to_uid_decl_map): New helper function.
8596         (make_node_stat): Insert new decls into the map.
8597         (copy_node_stat): Likewise.
8598         (lookup_decl_from_uid): New function.
8599         (remove_decl_from_map): Likewise.
8600         (print_decl_for_uid_map_statistics): New helper.
8601         (dump_tree_statistics): Call it.
8602
8603         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
8604         (referenced_var_iterator): Adjust.
8605         (FOR_EACH_REFERENCED_VAR): Adjust.
8606         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
8607         (num_referenced_vars): Adjust.
8608         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
8609         (first_referenced_var): Remove.
8610         (end_referenced_vars_p): Likewise.
8611         (next_referenced_var): Likewise.
8612         (referenced_var_iterator_set): New helper function.
8613         * tree-dfa.c (referenced_var_lookup): Adjust.
8614         (referenced_var_check_and_insert): Likewise.
8615         (remove_referenced_var): Likewise.
8616         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8617         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8618         (verify_call_clobbering): Likewise.
8619         (verify_memory_partitions): Likewise.
8620         (init_tree_ssa): Allocate bitmap instead of hashtable for
8621         referenced_vars.
8622         (delete_tree_ssa): Adjust.
8623         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8624         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8625         (compute_tag_properties): Likewise.
8626         (set_initial_properties): Likewise.
8627         (find_partition_for): Likewise.
8628         (update_reference_counts): Likewise.
8629         (dump_may_aliases_for): Likewise.
8630         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8631         (add_call_clobber_ops): Likewise.
8632         (add_call_read_ops): Likewise.
8633         (get_asm_expr_operands): Likewise.
8634         * tree-into-ssa.c (dump_decl_set): Likewise.
8635         (update_ssa): Likewise.
8636         * tree-sra.c (scan_function): Likewise.
8637         (decide_instantiations): Likewise.
8638         (scalarize_parms): Likewise.
8639         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8640         (dsa_named_for): Likewise.
8641         * tree-ssa-structalias.c (update_alias_info): Likewise.
8642         (merge_smts_into): Likewise.
8643
8644 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8645
8646         PR 34351
8647         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
8648         * c-opts.c (c_common_handle_option): Wall enables
8649         Wvolatile-register-var.
8650         * common.opt: Move Wvolatile-register-var to...
8651         * c.opt: ...here.
8652         
8653 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8654
8655         * common.opt (Wlarger-than=): New.
8656         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
8657         -Wlarger-than=.
8658         * opts.c (common_handle_option): Handle -Wlarger-than=.
8659         * optc-gen.awk: Likewise.
8660         * opth-gen.awk: Likewise.
8661         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
8662         * tree-optimize.c (tree_rest_of_compilation): Likewise.
8663         
8664 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8665
8666         * c-common.c (match_case_to_enum_1): Add appropriate
8667         OPT_W* parameter to warning.
8668         (c_do_switch_warnings): Likewise.
8669         * c-typeck.c (warning_init): Add one more parameter following
8670         'warning' function.
8671         (push_init_level): Update call to warning_init.
8672         (pop_init_level): Likewise.
8673         (add_pending_init): Likewise.
8674         (output_init_element: Likewise.
8675
8676 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8677
8678         PR 28322
8679         * toplev.c (toplev_main): If there are warnings or error, print
8680         errors for ignored options.
8681         * opts.c (ignored_options): New static variable.
8682         (postpone_unknown_option_error): New.
8683         (print_ignored_options): New.
8684         (handle_option): Postpone errors for unknown -Wno-* options.
8685         * opts.h (print_ignored_options): Declare.
8686         
8687 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
8688
8689         * config/mips/mips.md (loadgp_blockage, blockage): Change type
8690         to "ghost".
8691
8692 2008-02-25  Richard Guenther  <rguenther@suse.de>
8693
8694         Revert:
8695         2008-02-25  Richard Guenther  <rguenther@suse.de>
8696
8697         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
8698         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
8699         (lookup_decl_from_uid): Declare.
8700         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
8701         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
8702         (decl_for_uid_map): New global hashtable mapping DECL_UID
8703         to the decl tree.
8704         (init_ttree): Allocate it.
8705         (insert_decl_to_uid_decl_map): New helper function.
8706         (make_node_stat): Insert new decls into the map.
8707         (copy_node_stat): Likewise.
8708         (lookup_decl_from_uid): New function.
8709         (print_decl_for_uid_map_statistics): New helper.
8710         (dump_tree_statistics): Call it.
8711
8712         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
8713         (referenced_var_iterator): Adjust.
8714         (FOR_EACH_REFERENCED_VAR): Adjust.
8715         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
8716         (num_referenced_vars): Adjust.
8717         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
8718         (first_referenced_var): Remove.
8719         (end_referenced_vars_p): Likewise.
8720         (next_referenced_var): Likewise.
8721         (referenced_var_iterator_set): New helper function.
8722         * tree-dfa.c (referenced_var_lookup): Adjust.
8723         (referenced_var_check_and_insert): Likewise.
8724         (remove_referenced_var): Likewise.
8725         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8726         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8727         (verify_call_clobbering): Likewise.
8728         (verify_memory_partitions): Likewise.
8729         (init_tree_ssa): Allocate bitmap instead of hashtable for
8730         referenced_vars.
8731         (delete_tree_ssa): Adjust.
8732         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8733         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8734         (compute_tag_properties): Likewise.
8735         (set_initial_properties): Likewise.
8736         (find_partition_for): Likewise.
8737         (update_reference_counts): Likewise.
8738         (dump_may_aliases_for): Likewise.
8739         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8740         (add_call_clobber_ops): Likewise.
8741         (add_call_read_ops): Likewise.
8742         (get_asm_expr_operands): Likewise.
8743         * tree-into-ssa.c (dump_decl_set): Likewise.
8744         (update_ssa): Likewise.
8745         * tree-sra.c (scan_function): Likewise.
8746         (decide_instantiations): Likewise.
8747         (scalarize_parms): Likewise.
8748         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8749         (dsa_named_for): Likewise.
8750         * tree-ssa-structalias.c (update_alias_info): Likewise.
8751         (merge_smts_into): Likewise.
8752
8753 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
8754
8755         PR fortran/29549
8756         * doc/invoke.texi (-fcx-limited-range): Document new option.
8757         * toplev.c (process_options): Handle -fcx-fortran-rules.
8758         * common.opt: Add documentation for -fcx-fortran-rules.
8759
8760 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
8761
8762         PR c/35162
8763         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
8764         actual behaviour and C99.
8765         
8766 2008-02-26  Ben Elliston  <bje@au.ibm.com>
8767
8768         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
8769         (ASM_CPU_POWER6_SPEC): Likewise.
8770         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
8771         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
8772         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
8773
8774 2008-02-25  Richard Guenther  <rguenther@suse.de>
8775
8776         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
8777         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
8778         (lookup_decl_from_uid): Declare.
8779         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
8780         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
8781         (decl_for_uid_map): New global hashtable mapping DECL_UID
8782         to the decl tree.
8783         (init_ttree): Allocate it.
8784         (insert_decl_to_uid_decl_map): New helper function.
8785         (make_node_stat): Insert new decls into the map.
8786         (copy_node_stat): Likewise.
8787         (lookup_decl_from_uid): New function.
8788         (print_decl_for_uid_map_statistics): New helper.
8789         (dump_tree_statistics): Call it.
8790
8791         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
8792         (referenced_var_iterator): Adjust.
8793         (FOR_EACH_REFERENCED_VAR): Adjust.
8794         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
8795         (num_referenced_vars): Adjust.
8796         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
8797         (first_referenced_var): Remove.
8798         (end_referenced_vars_p): Likewise.
8799         (next_referenced_var): Likewise.
8800         (referenced_var_iterator_set): New helper function.
8801         * tree-dfa.c (referenced_var_lookup): Adjust.
8802         (referenced_var_check_and_insert): Likewise.
8803         (remove_referenced_var): Likewise.
8804         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8805         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8806         (verify_call_clobbering): Likewise.
8807         (verify_memory_partitions): Likewise.
8808         (init_tree_ssa): Allocate bitmap instead of hashtable for
8809         referenced_vars.
8810         (delete_tree_ssa): Adjust.
8811         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8812         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8813         (compute_tag_properties): Likewise.
8814         (set_initial_properties): Likewise.
8815         (find_partition_for): Likewise.
8816         (update_reference_counts): Likewise.
8817         (dump_may_aliases_for): Likewise.
8818         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8819         (add_call_clobber_ops): Likewise.
8820         (add_call_read_ops): Likewise.
8821         (get_asm_expr_operands): Likewise.
8822         * tree-into-ssa.c (dump_decl_set): Likewise.
8823         (update_ssa): Likewise.
8824         * tree-sra.c (scan_function): Likewise.
8825         (decide_instantiations): Likewise.
8826         (scalarize_parms): Likewise.
8827         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8828         (dsa_named_for): Likewise.
8829         * tree-ssa-structalias.c (update_alias_info): Likewise.
8830         (merge_smts_into): Likewise.
8831
8832 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
8833
8834         PR target/35258
8835         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
8836         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
8837         * alias.h (nonoverlapping_memrefs_p): Likewise.
8838
8839 2008-02-25  Jan Beulich  <jbeulich@novell.com>
8840
8841         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
8842         * config/i386/netware-libgcc.exp: Add __bswap?i2,
8843         __emultls_get_address, __emultls_register_common,
8844         __floatundi?f, and _Unwind_GetIPInfo.
8845         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
8846         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
8847         (gen_regparm_prefix): Likewise.
8848         (i386_nlm_encode_section_info): Sync with
8849         config/i386/winnt.c:i386_pe_encode_section_info().
8850         (i386_nlm_maybe_mangle_decl_assembler_name): New.
8851         i386_nlm_mangle_decl_assembler_name): New.
8852         (netware_override_options): New.
8853         * config/i386/netware.h (netware_override_options): Declare.
8854         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
8855         (i386_nlm_mangle_decl_assembler_name): Declare.
8856         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
8857
8858 2008-02-25  Ben Elliston  <bje@au.ibm.com>
8859
8860         PR other/32948
8861         * c-decl.c (grokdeclarator): Remove unused local variables
8862         `typedef_type' and `type_as_written'.
8863         * bb-reorder.c
8864         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
8865         unused local variable `has_hot_blocks'.
8866         (fix_crossing_conditional_branches): Remove unused local variable
8867         `prev_bb'.
8868         
8869 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
8870
8871         PR middle-end/19984
8872         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
8873         using DEF_C99_BUILTIN.
8874         (BUILT_IN_NANF): Ditto.
8875         (BUILT_IN_NANL): Ditto.
8876
8877 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
8878             Revital Eres  <eres@il.ibm.com>
8879
8880         * modulo-sched.c (calculate_must_precede_follow): Address TODO
8881         regarding the order of two dependent insns in the same row.
8882
8883 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
8884
8885         * stor-layout.c (layout_decl): Do not bump the alignment of a
8886         bit-field to more than byte alignment if it is packed.
8887
8888 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
8889
8890         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
8891         e300c2 and e300c3.
8892
8893 2008-02-24  Diego Novillo  <dnovillo@google.com>
8894
8895         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
8896
8897         PR 33738
8898         * tree-vrp.c (vrp_evaluate_conditional): With
8899         -Wtype-limits, emit a warning when comparing against a
8900         constant outside the natural range of OP0's type.
8901         * c.opt (Wtype-limits): Move ...
8902         * common.opt (Wtype-limits): ... here.
8903
8904 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
8905
8906         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
8907         * config/rs6000/e300c2c3.md: New file.
8908         * config/rs6000/rs6000.c (processor_costs): Add new costs for
8909         e300c2 and e300c3.
8910         (rs6000_override_options): Add e300c2 and e300c3 cases to
8911         processor_target_table. Do not allow usage of Altivec or Spe
8912         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
8913         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
8914         * config/rs6000/rs6000.h (processor_type): Add
8915         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
8916         (ASM_CPU_SPEC): Add e300c2 and e300c3.
8917         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
8918         and ppce300c3. Include e300c2c3.md.
8919
8920 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
8921
8922         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
8923         instead of TARGET_STRICT_ALIGN.
8924
8925 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
8926
8927         * explow.c (memory_address): Assert that the generated address is
8928         valid.
8929
8930 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8931
8932         PR target/25477
8933         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
8934         * config/darwin-ppc-ldouble-patch.def: New file.
8935         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
8936         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
8937         SUBTARGET_INIT_BUILTINS if defined.
8938         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
8939         New functions.
8940
8941 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8942
8943         PR rtl-opt/33512
8944         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
8945         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
8946
8947 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8948
8949         PR pch/35027
8950         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
8951         file" warning condtional on -Winvalid-PCH.
8952
8953 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
8954
8955         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
8956
8957 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
8958
8959         PR target/22076
8960         PR target/34256 
8961         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
8962         prevent reload from using MMX registers.
8963         (*mov<mode>_internal): Ditto.
8964         (*movv2sf_internal_rex64): Ditto.
8965         (*movv2sf_internal): Ditto.
8966
8967 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8968
8969         PR documentation/31569
8970         * doc/install.texi2html: Use makeinfo --no-number-sections.
8971
8972 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8973
8974         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
8975         ensure that we can address an entire entity > 8 bytes.  Don't
8976         generate reg+reg addressing for such data.
8977
8978 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8979
8980         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
8981         strings when optimizing for size, unless the target cares about
8982         alignment.
8983
8984 2008-02-22  Tom Tromey  <tromey@redhat.com>
8985
8986         * regclass.c (current_pass): Remove declaration.
8987
8988 2008-02-22  Anatoly Sokolov <aesok@post.ru>
8989
8990         * config/avr/libgcc.S (__RAMPZ__): Define.
8991         (__do_copy_data): Add for devices with 128KB code memory.
8992
8993 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8994
8995         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8996         Use spe_abi.
8997         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
8998
8999 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
9000
9001         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
9002         GENNONACR_REGS.
9003
9004 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9005
9006         PR c/19999
9007         * c-typeck.c (build_binary_op): Warn about floating point
9008         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
9009
9010 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
9011
9012         PR target/34526
9013         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
9014         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
9015         add vrsave.
9016         (rs6000_override_options): Set altivec_abi as default, not override,
9017         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
9018         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
9019         is used; use new member spe_abi.
9020         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
9021         spe_abi and altivec_abi.
9022
9023 2008-02-22  Tomas Bily  <tbily@suse.cz>
9024
9025         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
9026
9027 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9028
9029         PR bootstrap/35273
9030         * config.build (build_file_translate): Set to `CMD //c' only if
9031         it works.
9032         * Makefile.in (build_file_translate): Improve comment.
9033
9034 2008-02-21  Jan Hubicka  <jh@suse.cz>
9035
9036         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
9037         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
9038         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
9039
9040 2008-02-21  Michael Matz  <matz@suse.de>
9041
9042         PR target/35264
9043         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
9044
9045 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
9046
9047         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
9048         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
9049         as insn constraint.
9050         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
9051         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
9052         SSE_VEC_FLOAT_MODE_P as insn constraint.
9053         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
9054         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
9055         sse4a_movntdf using MODEF mode iterator.
9056         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
9057         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
9058         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
9059         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
9060         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
9061         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
9062         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
9063
9064 2008-02-21  Richard Guenther  <rguenther@suse.de>
9065
9066         * tree.def (PAREN_EXPR): New tree code.
9067         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
9068         and PAREN_EXPR.
9069         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
9070         * expr.c (expand_expr_real_1): Likewise.
9071         * tree-inline.c (estimate_num_insns_1): Likewise.
9072         * tree-complex.c (expand_complex_move): Likewise.
9073         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
9074         as plain x.
9075
9076 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9077
9078         PR target/35225
9079         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
9080
9081 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9082
9083         PR target/35190
9084         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
9085
9086         * config/sh/sh.c (find_barrier): Don't go past
9087         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
9088
9089 2008-02-20  DJ Delorie  <dj@redhat.com>
9090
9091         * config/h8300/h8300.md (insv): Force source operand to be a register.
9092
9093         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
9094         as a jump, not as a plain insn.
9095         
9096 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
9097
9098         * doc/invoke.texi (Warning Options): Add new option
9099         -Wframe-larger-than=.
9100         (-Wframe-larger-than): Document.
9101
9102         * flags.h (warn_frame_larger_than, frame_larger_than_size):
9103         Add declarations for new option variables.
9104
9105         * final.c (final_start_function): Check the frame size
9106         before emission and issue a Wframe-larger-than warning.
9107
9108         * opts.c (warn_frame_larger_than, frame_larger_than_size):
9109         Add definitions for new option variables.
9110         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
9111
9112         * common.opt (Wframe-larger-than=): New option.
9113
9114 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
9115
9116         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
9117         (<sse>_div<mode>3): Ditto.
9118         (<sse>_vmdiv<mode>3): Ditto.
9119         (<sse>_vmsqrt<mode>2): Ditto.
9120         (*smax<mode>3): Ditto.
9121         (sse5_frcz<mode>2): Ditto.
9122         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
9123         as insn constraint.
9124
9125 2008-02-20  Richard Guenther  <rguenther@suse.de>
9126
9127         PR middle-end/35265
9128         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
9129         be happy with INTEGRAL_TYPE_P.
9130
9131 2008-02-20  Richard Guenther  <rguenther@suse.de>
9132
9133         * fold-const.c (split_tree): Associate floatig-point expressions
9134         if flag_associative_math is set.
9135
9136 2008-02-20  Richard Guenther  <rguenther@suse.de>
9137
9138         * tree.h (fold_real_zero_addition_p): Declare.
9139         * fold-const.c (fold_real_zero_addition_p): Export.
9140         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
9141         floating-point operations with zero and one.
9142
9143 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
9144
9145         * doc/install.texi: Correct references to CFLAGS, replacing them
9146         with BOOT_CFLAGS.  Document flags used during bootstrap for
9147         target libraries.
9148                                 
9149 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
9150
9151         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
9152         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
9153         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
9154         insn constraint.
9155         (smin<mode>3): Ditto from similar patterns.
9156         (smax<mode>3): Ditto.
9157         (*ieee_smin<mode>3): Ditto.
9158         (*ieee_smax<mode>3): Ditto.
9159         * config/i386/sse.md (sse): New mode attribute.
9160         (mov<mode>): Macroize expander from movv4sf and movv2df using
9161         SSEMODEF2P mode iterator.
9162         (<sse>_movnt<mode>): Ditto from similar patterns. Use
9163         SSE_VEC_FLOAT_MODE_P as insn constraint.
9164         (storent<mode>): Ditto.
9165         (storent<mode>): Macroize expander from storentsf and storentdf using
9166         MODEF mode iterator.
9167         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
9168         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
9169         (abs<mode>2): Ditto from similar patterns.
9170         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
9171         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
9172         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
9173         (<sse>_vmsqrt<mode>2): Ditto.
9174         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
9175         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
9176         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
9177         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
9178         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
9179         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
9180         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
9181         insn constraint.
9182         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
9183         iterator and SSE_FLOAT_MODE_P as insn constraint.
9184         (<sse>_ucomi): Ditto from similar patterns.
9185         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
9186         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
9187         SSE_VEC_FLOAT_MODE_P as insn constraint.
9188         (vcond<mode>): Ditto from similar patterns.
9189         (and<mode>3, *and<mode>3): Ditto.
9190         (<sse>_nand<mode>3): Ditto.
9191         (ior<mode>3, *ior<mode>3): Ditto.
9192         (xor<mode>3, *xor<mode>3): Ditto.
9193         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
9194         iterator and SSE_FLOAT_MODE_P as insn constraint.
9195         (*nand<mode>3): Ditto from similar patterns.
9196         (*ior<mode>3): Ditto.
9197         (*xor<mode>3): Ditto.
9198
9199 2008-02-20  Ira Rosen  <irar@il.ibm.com>
9200
9201         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
9202         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
9203         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
9204
9205 2008-02-19  Jan Hubicka  <jh@suse.cz>
9206
9207         * predict.c (tree_bb_level_predictions): Remove variable next
9208         mistakely introduced by previous commit.
9209
9210 2008-02-19  Jan Hubicka  <jh@suse.cz>
9211
9212         * predict.c (predict_paths_leading_to): Rewrite.
9213         (predict_paths_for_bb): New.
9214         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
9215
9216 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9217
9218         PR bootstrap/35218
9219         * Makefile.in (build_file_translate): New.
9220         (gcc-vers.texi): Use it for translating $(abs_srcdir).
9221         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
9222         * configure.ac (build_file_translate): Substitute it.
9223         * configure: Regenerate.
9224
9225 2008-02-19  Jan Hubicka  <jh@suse.cz>
9226
9227         PR rtl-optimization/34408
9228         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
9229         invalid sharing.
9230
9231 2008-02-19  Jan Hubicka  <jh@suse.cz>
9232
9233         PR middle-end/28779
9234         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
9235         call_expr.
9236
9237 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9238
9239         PR Ada/35186
9240         * config/i386/i386-modes.def: Revert the last DI alignment
9241         change until Ada people can look into it.
9242
9243 2008-02-19  Nick Clifton  <nickc@redhat.com>
9244
9245         * opts.c (print_specific_help): Fix typo in --help text.
9246
9247 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
9248
9249         PR target/35239
9250         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
9251         32-bit inline asm without asm alternatives for host GCC < 3.0.
9252
9253 2008-02-19  Richard Guenther  <rguenther@suse.de>
9254
9255         PR tree-optimization/34989
9256         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
9257         Allow propagation to INDIRECT_REF if we can simplify only.
9258
9259 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9260
9261         * c-common.c (warn_for_collisions_1): Use appropriate option when
9262         warning.
9263
9264 2008-02-19  Nick Clifton  <nickc@redhat.com>
9265
9266         PR other/31349
9267         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
9268         (handle_options): Fix indentation.
9269         (print_filtered_help): If no language-specific options were
9270         displayed tell the user how to list all the options supported by
9271         the language's front-end.
9272         (print_specific_help): Fix indentation and remove duplicate line.
9273         (common_handle_option): Handle the -v option.
9274         For --help enable the display of undocumented options if the -v
9275         switch has been included on the command line.
9276         For --help= check for overlaps in the arguments between the option
9277         classes and the language names and issue a warning when they
9278         cannot be disambiguated.
9279         * c.opt (v): Pass on to the common option handler.
9280
9281 2008-02-19  Revital Eres  <eres@il.ibm.com> 
9282
9283         * modulo-sched.c (sms_schedule): Change dump message when
9284         create_ddg function fails.
9285         (try_scheduling_node_in_cycle): Rename row to cycle.
9286         (print_partial_schedule): Rename CYCLE to ROW.
9287
9288 2008-02-19  Christian Bruel  <christian.bruel@st.com>
9289             Zdenek Dvorak  <ook@ucw.cz>
9290
9291         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
9292
9293 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
9294
9295         PR target/33555
9296         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
9297         (*x86_movdicc_0_m1_se): Ditto.
9298
9299 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
9300
9301         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
9302         (CMPtype): Define as __gcc_CMPtype.
9303         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
9304         (CMPtype): Define as __gcc_CMPtype.
9305
9306 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
9307
9308         Support valgrind 3.3 for --enable-checking=valgrind.
9309         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
9310         here.
9311         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
9312         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
9313         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
9314         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
9315         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
9316         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
9317         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
9318         respectively.
9319         * ggc-zone.c: Similar.
9320         * ggc-page.c: Similar.
9321
9322 2008-02-19  Paul Brook  <paul@codesourcery.com>
9323
9324         PR target/35071
9325         * config/arm/ieee754-df.S: Fix do_it typo.
9326         * config/arm/ieee754-sf.S: Fix do_it typo.
9327
9328 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9329
9330         PR target/35189
9331         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
9332         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
9333         (OPTION_MASK_ISA_SSE_SET): Likewise.
9334         (OPTION_MASK_ISA_SSE2_SET): Likewise.
9335         (OPTION_MASK_ISA_SSE3_SET): Likewise.
9336         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
9337         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
9338         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
9339         (OPTION_MASK_ISA_SSE4_SET): Likewise.
9340         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
9341         (OPTION_MASK_ISA_SSE5_SET): Likewise.
9342         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
9343         (OPTION_MASK_ISA_MMX_UNSET): Updated.
9344         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
9345         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
9346         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
9347         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
9348         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
9349         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
9350         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
9351         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
9352         (OPTION_MASK_ISA_SSE4): Removed.
9353         (ix86_handle_option): Turn on bits in ix86_isa_flags and
9354         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
9355         (override_options): Don't turn on implied SSE/MMX bits in
9356         ix86_isa_flags.
9357
9358 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9359
9360         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
9361         32bit host.
9362
9363 2008-02-18  Joey Ye  <joey.ye@intel.com>
9364
9365         PR middle-end/34921
9366         * tree-nested.c (insert_field_into_struct): Set type alignment
9367         to field alignment if the former is less than the latter.
9368
9369 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
9370
9371         * BASE-VER: Set to 4.4.0.
9372
9373 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9374
9375         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
9376         * doc/cfg.texi: Likewise.
9377         * doc/extend.texi: Likewise.
9378         * doc/gty.texi: Likewise.
9379         * doc/invoke.texi: Likewise.
9380         * doc/loop.texi: Likewise.
9381         * doc/md.texi: Likewise.
9382         * doc/passes.texi: Likewise.
9383         * doc/rtl.texi: Likewise.
9384         * doc/sourcebuild.texi: Likewise.
9385         * doc/tm.texi: Likewise.
9386         * doc/tree-ssa.texi: Likewise.
9387
9388 2008-02-17  Richard Guenther  <rguenther@suse.de>
9389
9390         PR middle-end/35227
9391         * tree-complex.c (init_parameter_lattice_values): Handle parameters
9392         without default definition.
9393
9394 2008-02-17  Richard Guenther  <rguenther@suse.de>
9395
9396         PR tree-optimization/35231
9397         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
9398         if A | B != 1.
9399
9400 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
9401
9402         Revert:
9403         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
9404         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
9405         libgcc_cmp_return mode.
9406
9407 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9408
9409         PR c/28368
9410         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
9411
9412 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
9413
9414         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
9415         multilibs.
9416
9417 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9418
9419         * doc/c-tree.texi: Use `@.' where appropriate.
9420         * doc/extend.texi: Likewise.
9421         * doc/install.texi: Likewise.
9422         * doc/invoke.texi: Likewise.
9423         * doc/loop.texi: Likewise.
9424         * doc/makefile.texi: Likewise.
9425         * doc/md.texi: Likewise.
9426         * doc/passes.texi: Likewise.
9427         * doc/standards.texi: Likewise.
9428         * doc/tm.texi: Likewise.
9429
9430 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
9431
9432         PR middle-end/35196
9433         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
9434         in entry_bb.
9435         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
9436         rather than in entry_bb.
9437
9438 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
9439
9440         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
9441         libgcc_cmp_return mode.
9442
9443 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
9444
9445         PR middle-end/35130
9446         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
9447         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
9448
9449 2008-02-15  Richard Guenther  <rguenther@suse.de>
9450             Zdenek Dvorak  <ook@ucw.cz>
9451
9452         PR tree-optimization/35164
9453         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
9454         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
9455         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
9456         Only propagate addresses which do not have abnormal SSA_NAMEs
9457         in their operands.
9458
9459 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
9460
9461         PR target/35088
9462         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
9463
9464 2008-02-15  Jan Hubicka  <jh@suse.cz>
9465
9466         PR middle-end/35149
9467         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
9468
9469 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
9470
9471         PR middle-end/34621
9472         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
9473         when calculating alignment_pad.
9474
9475 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
9476
9477         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
9478         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
9479         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
9480         and STACK_BOUNDARY define.
9481
9482 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
9483
9484         PR preprocessor/35061
9485         * c-pragma.c (handle_pragma_pop_macro): Check that
9486         pushed_macro_table has been allocated.
9487
9488 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
9489
9490         PR middle-end/35136
9491         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
9492         (force_gimple_operand): Likewise.
9493         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
9494         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
9495         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
9496         (find_interesting_uses_address): Check addressability and alignment
9497         of the base expression only after substituting bases of IVs into it.
9498
9499 2008-02-14  Michael Matz  <matz@suse.de>
9500
9501         PR target/34930
9502         * function.c (instantiate_virtual_regs_in_insn): Reload address
9503         before falling back to reloading the whole operand.
9504
9505 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
9506
9507         * config/s390/s390.c (s390_mainpool_start): Emit the pool
9508         before the first section switch note.
9509
9510 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9511
9512         * doc/bugreport.texi: Update copyright years.
9513         * doc/c-tree.texi: Likewise.
9514         * doc/cfg.texi: Likewise.
9515         * doc/cpp.texi: Likewise.
9516         * doc/cppinternals.texi: Likewise.
9517         * doc/fragments.texi: Likewise.
9518         * doc/frontends.texi: Likewise.
9519         * doc/gcc.texi: Likewise.
9520         * doc/gty.texi: Likewise.
9521         * doc/hostconfig.texi: Likewise.
9522         * doc/implement-c.texi: Likewise.
9523         * doc/libgcc.texi: Likewise.
9524         * doc/loop.texi: Likewise.
9525         * doc/makefile.texi: Likewise.
9526         * doc/options.texi: Likewise.
9527         * doc/passes.texi: Likewise.
9528         * doc/rtl.texi: Likewise.
9529         * doc/sourcebuild.texi: Likewise.
9530         * doc/standards.texi: Likewise.
9531         * doc/tree-ssa.texi: Likewise.
9532         * doc/trouble.texi: Likewise.
9533
9534         * doc/extend.texi: Use @: or add comma where appropriate.
9535         * doc/invoke.texi: Likewise.
9536         * doc/tm.texi: Likewise.
9537
9538 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
9539
9540         PR target/34393
9541         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
9542         to a reg.
9543
9544 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
9545
9546         * doc/md.texi (clz, ctz): Add reference.
9547         * doc/rtl.texi (clz, ctz): Likewise.
9548
9549 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9550
9551         PR other/35148
9552         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
9553         srcdir.
9554
9555 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
9556
9557         * config/s390/s390.c (struct constant_pool): New field
9558         emit_pool_after added.
9559         (s390_mainpool_start): Set the emit_pool_after flag according
9560         to the section switch notes.
9561         (s390_mainpool_finish): Consider emit_pool_after when emitting
9562         the literal pool at the end of the function.
9563         (s390_chunkify_start): Force literal pool splits at section
9564         switch notes.
9565
9566 2008-02-13  Michael Matz  <matz@suse.de>
9567
9568         PR debug/35065
9569         * var-tracking.c (clobber_variable_part): Correctly traverse the
9570         list.
9571
9572 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9573
9574         PR 29673
9575         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
9576         Add -fdump-ipa-inline.
9577         * tree-dump.c (dump_files): Remove tree-inlined dump.
9578         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
9579         
9580 2008-02-12  Richard Guenther  <rguenther@suse.de>
9581
9582         PR tree-optimization/35171
9583         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
9584         default defs.
9585
9586 2008-02-12  Richard Guenther  <rguenther@suse.de>
9587
9588         PR middle-end/35163
9589         * fold-const.c (fold_widened_comparison): Use get_unwidened in
9590         value-preserving mode.  Disallow final truncation.
9591
9592 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
9593
9594         PR middle-end/35136
9595         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
9596         code from here to...
9597         (force_gimple_operand): ...here.
9598
9599 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
9600
9601         PR c++/35144
9602         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
9603         non-compatible pointers.
9604         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
9605         different FIELD_DECLs, try harder by comparing field offsets, sizes
9606         and types.
9607
9608         PR inline-asm/35160
9609         * function.c (match_asm_constraints_1): Don't replace the same input
9610         multiple times.
9611
9612 2008-02-12  Anatoly Sokolov <aesok@post.ru>
9613
9614         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
9615         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
9616         (expand_epilogue): Restore RAMPZ register.
9617         * config/avr/avr.md (RAMPZ_ADDR): New constant.
9618
9619 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
9620
9621         * config/i386/cygwin.asm: (__alloca): Correct calling
9622         convention and alignment.
9623         (__chkstk): Force 8 byte stack alignment.
9624
9625 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
9626             Richard Guenther  <rguenther@suse.de>
9627
9628         PR tree-optimization/33992
9629         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
9630         the zero we compare against.
9631
9632 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
9633
9634         PR libfortran/35063
9635         * gthr-win32.h (__gthread_mutex_destroy_function): New function
9636         to CloseHandle after unlocking to prevent accumulation of handle
9637         count.
9638
9639 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9640
9641         PR middle_end/34150
9642         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
9643         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
9644         and update LABEL_NUSES during and after reload.
9645
9646 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
9647
9648         PR middle-end/34627
9649         * combine.c (simplify_if_then_else): Make sure the comparison is
9650         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
9651
9652 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
9653
9654         PR bootstrap/35051
9655         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
9656         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
9657         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
9658         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
9659         * tree.h (get_type_static_bounds): Likewise.
9660
9661 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9662
9663         * doc/invoke.texi (Option Summary, C++ Dialect Options)
9664         (Objective-C and Objective-C++ Dialect Options, Warning Options):
9665         Make -Wfoo language annotations match what the compiler outputs.
9666
9667 2008-02-08  Sa Liu  <saliu@de.ibm.com>
9668
9669         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
9670         intrinsics spu_convts, spu_convtu, spu_convtf.
9671
9672 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
9673
9674         * doc/extend.texi (Function Attributes) <noinline>: Mention
9675         asm ("") as method to keep calls.
9676
9677 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9678
9679         PR other/32754
9680         * doc/options.texi (Options): Replace references to opts.sh with
9681         optc-gen.awk.
9682         * opts-common.c: Likewise.
9683         * optc-gen.awk: Likewise.
9684         
9685 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
9686
9687         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
9688
9689 2008-02-07  Richard Henderson  <rth@redhat.com>
9690
9691         PR rtl-opt/33410
9692         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
9693         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
9694         funny mode.
9695
9696 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
9697
9698         PR tree-optimization/35085
9699         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
9700         for operand entry oe2 in addition to operand entry oe3 in order to
9701         expose more opportunities for vectorizer sum reduction.
9702
9703 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9704
9705         PR other/35107
9706         * Makefile.in (LIBS): Remove $(GMPLIBS).
9707         (cc1-dummy, cc1): Add $(GMPLIBS).
9708
9709 2008-02-06  Jan Hubicka  <jh@suse.cz>
9710
9711         PR target/23322
9712         * i386.md (moddf_integer): Do not produce partial memory stalls for
9713         targets where it hurts.
9714
9715 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
9716
9717         PR target/35083
9718         * optabs.c (expand_float): Do not check for decimal modes when
9719         expanding unsigned integer through signed conversion.
9720
9721 2008-02-06  Nick Clifton  <nickc@redhat.com>
9722
9723         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
9724         inside the clobber with a match_operand and duplicated operand
9725         number in the constraint.
9726         (ineqbranchsi): Delete redundant comment.
9727
9728 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
9729
9730         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
9731         builtin_define ("__USE_INIT_FINI__").
9732         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
9733         -msx multilibs.
9734         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
9735
9736 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9737
9738         PR documentation/30330
9739         * doc/invoke.texi (C++ Dialect Options)
9740         (Objective-C and Objective-C++ Dialect Options, Warning Options):
9741         For each warning option -Wfoo that allows -Wno-foo, ensure both
9742         -Wfoo and -Wno-foo are listed in the option index.  Fix index
9743         entry of -Wswitch-default, index -Wnormalized= including the
9744         `=', and -Wlarger-than-@var{len} including @var{len}.
9745
9746 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
9747
9748         * config/i386/i386.md (floatunssisf2): Use
9749         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
9750         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
9751         Macroize expander using MODEF mode iterator.
9752
9753 2008-02-05  Diego Novillo  <dnovillo@google.com>
9754
9755         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
9756
9757         PR 33738
9758         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
9759
9760 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9761
9762         PR other/35070
9763         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
9764
9765 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
9766
9767         PR target/35084
9768         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
9769         to indicate if a message should be generated.
9770         (init_cumulative_args): Updated.
9771         (function_value_32): Likewise.
9772
9773 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
9774
9775         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
9776
9777 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
9778
9779         PR target/35083
9780         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
9781         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
9782
9783 2008-02-04  Diego Novillo  <dnovillo@google.com>
9784
9785         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
9786
9787         PR 33738
9788         * tree-vrp.c (vrp_evaluate_conditional): With
9789         -Wtype-limits, emit a warning when comparing against a
9790         constant outside the natural range of OP0's type.
9791
9792 2008-02-04  Richard Guenther  <rguenther@suse.de>
9793
9794         PR middle-end/33631
9795         * expr.c (count_type_elements): Give for unions instead of
9796         guessing.
9797
9798 2008-02-04  Richard Guenther  <rguenther@suse.de>
9799
9800         PR middle-end/35043
9801         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
9802         to TYPE_DOMAINs base type instead of using bitsizetype here.
9803
9804 2008-02-03  Jason Merrill  <jason@redhat.com>
9805
9806         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
9807
9808 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9809
9810         PR other/29972
9811         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
9812         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
9813         (RS/6000 and PowerPC Options): Fix typos and markup.
9814         * doc/passes.texi (Tree-SSA passes): Likewise.
9815
9816 2008-02-02  Michael Matz  <matz@suse.de>
9817
9818         PR target/35045
9819         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
9820         from record_last_reg_set_info.
9821         (record_last_reg_set_info): Take an RTX argument, iterate over all
9822         constituent hardregs.
9823         (record_last_set_info, record_opr_changes): Change calls to
9824         new signature or to record_last_reg_set_info_regno.
9825
9826 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
9827
9828         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
9829
9830 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
9831
9832         PR rtl-optimization/34773
9833         * reg-notes.def (EQUAL): Mention significance of combination of
9834         REG_EQUAL and REG_RETVAL.
9835         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
9836         insn that has a REG_RETVAL.
9837
9838 2008-02-01  Roger Sayle  <roger@eyesopen.com>
9839
9840         PR bootstrap/33781
9841         * configure.ac (--enable-fixed-point): Disable unless explicitly
9842         requested on IRIX.
9843         * configure: Regenerate.
9844
9845 2008-02-01  Richard Guenther  <rguenther@suse.de>
9846
9847         PR other/35042
9848         * invoke.texi (-finline-limit): Remove no longer true parts
9849         of the documentation.  Note that there is no default value.
9850
9851 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
9852             Mark Mitchell  <mark@codesourcery.com>
9853             Ben Elliston  <bje@au.ibm.com>
9854
9855         PR c/29326
9856         * doc/extend.texi (Other Builtins): Document.
9857
9858 2008-01-31  Tom Browder <tom.browder@gmail.com>
9859
9860         * doc/c-tree.texi (Types): Fix grammar.
9861         (Expression trees): Ditto.
9862         * doc/passes.texi (Tree-SSA passes): Ditto.
9863         
9864         * doc/configterms.texi (Configure Terms): Fix typo.
9865         * doc/cpp.texi (Common Predefined Macros): Ditto.
9866         * doc/md.texi (Machine Constraints): Ditto.
9867         
9868         * doc/makefile.texi (Makefile): Add comma.
9869
9870 2008-01-31  Tom Browder  <tom.browder@gmail.com>
9871             Gerald Pfeifer  <gerald@pfeifer.com>
9872         
9873         * doc/sourcebuild.texi (Front End): Remove references to CVS
9874         and CVSROOT/modules.
9875         (Texinfo Manuals): Replace reference to CVS by one to SVN.
9876         (Back End): Remove reference to CVS.
9877
9878 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
9879
9880         PR target/34900
9881         * config/mips/mips.c (gen_load_const_gp): New function, taking a
9882         comment from...
9883         (mips16_gp_pseudo_reg): ...here.
9884         * config/mips/mips.md (load_const_gp): Replace with...
9885         (load_const_gp_<mode>): ...this :P-based insn.
9886
9887 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9888
9889         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
9890         options. Minor fixes.
9891         (-std): Move reference to standards closer to where language
9892         standards are first mentioned.
9893         
9894 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
9895
9896         PR rtl-optimization/34995
9897         * reload.c (alternative_allows_const_pool_ref): Take an rtx
9898         parameter and return a bool.  If the rtx parameter is nonnull,
9899         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
9900         (find_reloads): Update call accordingly.  Pass the new operand
9901         if it needed no address reloads, otherwise pass null.
9902
9903 2008-01-30  Richard Henderson  <rth@redhat.com>
9904
9905         PR c/34993
9906         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
9907         for unbounded arrays.
9908
9909 2008-01-30  Silvius Rus  <rus@google.com>
9910
9911         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
9912
9913 2008-01-30  Jan Hubicka  <jh@suse.cz>
9914
9915         PR target/34982
9916         * i386.c (init_cumulative_args): Use real function declaration when
9917         calling locally.
9918
9919 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
9920
9921         PR rtl-optimization/34998
9922         * global.c (build_insn_chain): Treat non-subreg_lowpart
9923         SUBREGs of pseudos as clobbering all the words covered by the
9924         SUBREG, not just all the bytes.
9925         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
9926         original df_ref rather than an extract parameter.
9927         (global_conflicts): Update call accordingly.
9928
9929 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
9930
9931         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
9932         the overflow check to make it easier to read.
9933         (__fixtfdi): Change the type of the ll member in union
9934         long_double to UDItype_x.
9935
9936 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
9937
9938         PR middle-end/34969
9939         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
9940         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
9941         * tree-inline.c (fold_marked_statements): Call
9942         cgraph_update_edges_for_call_stmt if folding a call statement.
9943         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
9944         debug_generic_stmt calls, reset it back afterwards.
9945
9946         PR c/35017
9947         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
9948         static decls.
9949         * c-typeck.c (build_external_ref): Don't pedwarn about
9950         static vars in current function's scope.
9951
9952 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
9953
9954         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
9955
9956 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
9957
9958         PR c/35002
9959         * ipa-struct-reorg.c: Fix spelling.
9960         * params.def: Ditto.
9961
9962 2008-01-29  Richard Guenther  <rguenther@suse.de>
9963
9964         PR middle-end/35006
9965         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
9966         field.
9967         * tree-inline.c (remap_type): Increment remapping_type_depth
9968         around remapping types.
9969         (copy_body_r): Only add referenced variables if they are referenced
9970         from code, not types.
9971
9972 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
9973
9974         PR c++/34055
9975         PR c++/34103
9976         PR c++/34219
9977         PR c++/34606
9978         PR c++/34753
9979         PR c++/34754
9980         PR c++/34755
9981         PR c++/34919
9982         PR c++/34961
9983         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
9984         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
9985
9986 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
9987
9988         PR target/34412
9989         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
9990         pointer for tiny stack.
9991
9992 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
9993
9994         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
9995
9996 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
9997
9998         * config/vx-common.h: Fix typo in comment.
9999
10000 2008-01-28  Ian Lance Taylor  <iant@google.com>
10001
10002         PR c++/34862
10003         PR c++/33407
10004         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
10005         coalesce pointers if they have different DECL_NO_TBAA_P values.
10006         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
10007         between variables with different DECL_NO_TBAA_P values.
10008
10009 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
10010
10011         PR 31535
10012         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
10013         are not legitimate small data references on SPE targets.
10014
10015 2008-01-28  David Daney  <ddaney@avtrex.com>
10016
10017         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
10018
10019 2008-01-28  David Daney  <ddaney@avtrex.com>
10020
10021         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
10022
10023 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
10024
10025         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
10026         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
10027         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
10028         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
10029         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
10030         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
10031         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
10032         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
10033
10034 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10035
10036         * basic-block.h (condjump_equiv_p): Fix comment.
10037
10038 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10039
10040         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
10041         print_generic_stmt_indented): Fix comment.
10042
10043 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10044
10045         * configure.ac (__stack_chk_fail): Add detecion for availability
10046         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
10047         * configure: Regenerate.
10048
10049 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
10050
10051         PR middle-end/34688
10052         * final.c (output_addr_const): Handle TRUNCATE.
10053
10054 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
10055
10056         PR target/34711
10057         * tree-ssa-loop-ivopts.c (comp_cost): New type.
10058         (zero_cost, infinite_cost): New constants.
10059         (struct cost_pair): Change type of cost to comp_cost.
10060         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
10061         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
10062         New functions.
10063         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
10064         split_address_cost, ptr_difference_cost, difference_cost,
10065         get_computation_cost_at, get_computation_cost,
10066         determine_use_iv_cost_generic, determine_use_iv_cost_address,
10067         determine_use_iv_cost_condition, determine_use_iv_costs,
10068         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
10069         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
10070         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
10071         Change type of cost to comp_cost.
10072         (determine_iv_cost): Increase cost of non-original ivs, instead
10073         of decreasing the cost of original ones.
10074         (get_address_cost): Indicate the complexity of the addressing mode 
10075         in comp_cost.
10076         (try_add_cand_for): Prefer using ivs not specific to some object.
10077         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
10078
10079 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
10080             Janis Johnson  <janis187@us.ibm.com>
10081
10082         PR target/34814
10083         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
10084         (TARGET_INSTANTIATE_DECLS): Likewise.
10085         * target.h (expand_to_rtl_hook): New target hook.
10086         (instantiate_decls): Likewise.
10087         * function.c (instantiate_decl): Make non-static.  Rename to...
10088         (instantiate_decl_rtl): ... this.
10089         (instantiate_expr): Use instantiate_decl_rtl.
10090         (instantiate_decls_1): Likewise.
10091         (instantiate_decls): Likewise.
10092         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
10093         * function.h (instantiate_decl_rtl): Add prototype.
10094         * cfgexpand.c (target.h): New include.
10095         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
10096         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
10097         (TARGET_INSTANTIATE_DECLS): Likewise.
10098         (TARGET_INITIALIZER): New target hooks added.
10099         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
10100         New prototype.
10101         * config/rs6000/rs6000.c (tree-flow.h): New include.
10102         (machine_function): Add sdmode_stack_slot field.
10103         (rs6000_alloc_sdmode_stack_slot): New function.
10104         (rs6000_instantiate_decls): Likewise.
10105         (rs6000_secondary_memory_needed_rtx): Likewise.
10106         (rs6000_check_sdmode): Likewise.
10107         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
10108         (TARGET_INSTANTIATE_DECLS): Likewise.
10109         (rs6000_hard_regno_mode_ok): Allow SDmode.
10110         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
10111         (rs6000_emit_move): Handle SDmode.
10112         (function_arg_advance): Likewise.
10113         (function_arg): Likewise.
10114         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
10115         SDmode var args for 32-bit compiles.
10116         (rs6000_secondary_reload_class): Handle SDmode.
10117         (rs6000_output_function_epilogue): Likewise.
10118         (rs6000_function_value): Simplify if statement.
10119         (rs6000_libcall_value): Likewise.
10120         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
10121         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
10122         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
10123         (movsd_hardfloat): New define_insn.
10124         (movsd_softfloat): Likewise.
10125         (movsd_store): Likewise.
10126         (movsd_load): Likewise.
10127         (extendsddd2): Likewise.
10128         (extendsdtd2): Likewise.
10129         (truncddsd2): Likewise.
10130         (movdd_hardfloat64): Fixup comment.
10131         (UNSPEC_MOVSD_LOAD): New constant.
10132         (UNSPEC_MOVSD_STORE): Likewise.
10133
10134 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
10135
10136         PR c++/34965
10137         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
10138         TRUTH_XOR_EXPR.
10139         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
10140         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
10141         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
10142         and TRUTH_XOR_EXPR.
10143
10144 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
10145
10146         PR target/34794
10147         * config.gcc: Separate AIX 5.3 from AIX 6.1.
10148         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10149         __LONGDOUBLE128 too.
10150         * config/rs6000/aix61.h: New file.
10151
10152 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
10153
10154         PR rtl-optimization/34959
10155         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
10156         popcount and parity rtxes the same mode as their operand.
10157         Truncate or extend the result to the return value's mode
10158         if necessary.
10159
10160 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
10161
10162         PR target/34981
10163         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
10164         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
10165         to GOT_VERSION_REGNUM.
10166         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
10167         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
10168         * config/mips/mips.c (mips_emit_call_insn): New function.
10169         (mips_call_tls_get_addr): Call mips_expand_call directly.
10170         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
10171         emit_call_insn.
10172         (mips16_build_call_stub): Likewise.  Return the call insn or null.
10173         (mips_expand_call): Update the call to mips16_build_call_stub
10174         accordingly and a remove redundant condition.  Assert that MIPS16
10175         stubs do not use lazy binding.  Use mips_emit_call_insn and return
10176         the call insn.
10177         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
10178         TARGET_USE_GOT.
10179         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
10180         (mips_avoid_hazard): Remove hazard_set handling.
10181         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
10182         (UNSPEC_RESTORE_GP): ...this.
10183         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
10184         (FAKE_CALL_REGNO): Rename to...
10185         (GOT_VERSION_REGNUM): ...this.
10186         (type): Add "ghost" value.  Add an associated insn reservation.
10187         (hazard_set): Remove.
10188         (exception_receiver): Rename to...
10189         (restore_gp): ...this and update the unspec identifier accordingly.
10190         (exception_receiver, nonlocal_got_receiver): New expanders.
10191         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
10192         FAKE_CALL_REGNO.  Remove hazard_set attribute.
10193         (set_got_version, update_got_version): New patterns.
10194
10195 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
10196
10197         PR target/34970
10198         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
10199
10200 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
10201
10202         PR other/31955
10203         * doc/install.texi2html: Generate gcc-vers.texi.
10204
10205 2008-01-25  DJ Delorie  <dj@redhat.com>
10206
10207         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
10208
10209 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
10210
10211         * config/c4x: Remove directory.
10212         * config.gcc (crx-*, mt-*): Mark obsolete.
10213         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
10214         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
10215         sh-*-rtemscoff*): Remove cases.
10216         * defaults.h (C4X_FLOAT_FORMAT): Remove.
10217         * real.c (encode_c4x_single, decode_c4x_single,
10218         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
10219         c4x_extended_format): Remove.
10220         * real.h (c4x_single_format, c4x_extended_format): Remove.
10221         * doc/extend.texi (interrupt, naked): Remove mention of attributes
10222         on C4x.
10223         (Pragmas): Remove comment about c4x pragmas.
10224         * doc/install.texi (c4x): Remove target-specific instructions.
10225         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
10226         * doc/md.texi (Machine Constraints): Remove C4x documentation.
10227         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
10228         refer to C4x source files as examples.
10229         (C4X_FLOAT_FORMAT): Remove documentation.
10230
10231 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
10232
10233         * config/bfin/bfin.c (override_options): Reorder tests so that
10234         flag_pic gets enabled for -msep-data.
10235
10236 2008-01-25  Richard Guenther  <rguenther@suse.de>
10237
10238         PR middle-end/32244
10239         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
10240         to its bitfield precision if required.
10241
10242 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
10243
10244         PR middle-end/33880
10245         * tree-nested.c (walk_omp_for): New function.
10246         (convert_nonlocal_reference, convert_local_reference): Call
10247         walk_omp_for on OMP_FOR.
10248         (convert_call_expr): Call walk_body on OMP_FOR's
10249         OMP_FOR_PRE_INIT_BODY.
10250
10251 2008-01-25  Richard Guenther  <rguenther@suse.de>
10252
10253         PR tree-optimization/34966
10254         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
10255         default defs and PHI_NODEs we have to insert after the
10256         defining statement.
10257
10258 2008-01-24  Nick Clifton  <nickc@redhat.com>
10259
10260         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
10261         Provide a default definition.
10262         (LIBGCC2_UNITS_PER_WORD): Likewise.
10263
10264         * config/stormy16/stormy16.c: Include df.h for the prototype
10265         for df_regs_ever_live_p.
10266         (xstormy16_expand_builtin_va_start): Convert the stack offset
10267         into a component_ref and then use POINTER_PLUS_EXPR to add it
10268         to the incoming_virtual_args_rtx.
10269         (xstormy16_gimplify_va_arg_expr): Rename to
10270         xstormy16_gimplify_va_arg_expr.
10271         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
10272         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
10273         xstormy16_gimplify_va_arg_expr.
10274         Fix up some formatting issues.
10275
10276         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
10277         Move to predicates.md.
10278         (xs_hi_general_operand): Likewise.
10279         (xs_hi_nonmemory_operand): Likewise.
10280         * config/stormy16/predicates.md:
10281         (xstormy16_carry_plus_operand): New predicate.
10282         (xs_hi_general_operand): New predicate.
10283         (xs_hi_nonmemory_operand): New predicate.
10284         * config/stormy16/stormy16-protos.h:
10285         (xstormy16_carry_plus_operand): Delete prototype.
10286         (xs_hi_general_operand): Likewise.
10287         (xs_hi_nonmemory_operand): Likewise.
10288
10289         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
10290         modifiers as they are no longer needed and they can trigger
10291         reload spill failures.
10292
10293         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
10294         with a match_operand in order to help reload.
10295
10296         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
10297         constraint with 'e' for the 8th alternative as this version of
10298         the mov.w instruction only accepts the lower 8 registers.
10299
10300 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
10301
10302         PR target/34856
10303         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
10304         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
10305         vector elements.
10306
10307 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
10308
10309         PR middle-end/33333
10310         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
10311
10312 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
10313
10314         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
10315         New functions.
10316         (remove_structure): Update allocations list before removing structure.
10317         
10318 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
10319
10320         * ipa-struct-reorg.c (is_safe_cond_expr, 
10321         create_new_stmts_for_cond_expr): Use integer_zerop function,
10322         that recognize not only zero-pointer, but zero-integer too.
10323
10324 2008-01-25  Ben Elliston  <bje@au.ibm.com>
10325
10326         PR other/22232
10327         * fixproto: Escape "." in sed expression that strips leading "./".
10328
10329 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10330
10331         PR driver/34904
10332         * gcc.c (SWITCH_OK): Removed.
10333         (SWITCH_LIVE): Changed to bit.
10334         (SWITCH_FALSE): Likewise.
10335         (SWITCH_IGNORE): Likewise.
10336         (switchstr): Change live_cond to unsigned int.
10337         (process_command): Replace SWITCH_OK with 0.
10338         (do_self_spec): Likewise.
10339         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
10340         (give_switch): Likewise.
10341         (used_arg): Likewise.
10342         (do_spec_1): Set the SWITCH_IGNORE bit.
10343         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
10344         bits.  Set the SWITCH_LIVE bit.
10345
10346 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10347
10348         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
10349
10350 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
10351
10352         PR tree-optimization/34472
10353         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
10354         parameter to a "bool *" and set *DATA to false if there is
10355         an unsafe access.  Do not delete the structure here.
10356         (check_cond_exprs): Delete it here instead.
10357         (check_cond_exprs, exclude_cold_structs): Do not increase
10358         I when removing a structure.
10359
10360 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
10361
10362         PR target/34856
10363         * config/i386/i386.c (ix86_expand_vector_init): Consider only
10364         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
10365
10366 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
10367
10368         PR middle-end/34934
10369         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
10370         a fixed vector for stack.
10371
10372 2008-01-24  Ben Elliston  <bje@au.ibm.com>
10373
10374         PR c++/25701
10375         * doc/gcc.texi (Software development): Add a direntry for g++.
10376         
10377 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
10378
10379         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
10380         stale and straggling -fforce-addr comments above.
10381
10382         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
10383         define.
10384         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
10385         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
10386
10387 2008-01-23  Michael Matz  <matz@suse.de>
10388
10389         PR debug/34895
10390         * dwarf2out.c (force_type_die): Use modified_type_die instead of
10391         gen_type_die.
10392
10393 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
10394
10395         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
10396         malloc result type.
10397
10398 2008-01-23 Anatoly Sokolov <aesok@post.ru>
10399
10400         * config/avr/avr.c (avr_current_arch): New variable.
10401         (avr_arch_types): Add 'avr31' and 'avr51' entries.
10402         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
10403         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
10404         (avr_override_options): Init 'avr_current_arch'. 
10405         (base_arch_s): Move from here...
10406         * config/avr/avr.h (base_arch_s): ... here. Add new members 
10407         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
10408         'mega' to 'have_jmp_call'.
10409         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
10410         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
10411         macros.
10412         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
10413         architectures.
10414         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
10415         MULTILIB_MATCHES): (Ditto.).
10416
10417 2008-01-23  Richard Guenther  <rguenther@suse.de>
10418
10419         PR middle-end/31529
10420         * cgraphunit.c (cgraph_reset_node): Always mark the node
10421         not reachable if it is not queued already.
10422
10423 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
10424
10425         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
10426         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
10427         (cputype_selected): New static variable.
10428         (bfin_handle_option): Set it if -mcpu is used.
10429         (override_option): Select default set of workarounds if no cpu type
10430         selected on the command line.
10431         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
10432
10433         From  Michael Frysinger  <michael.frysinger@analog.com>
10434         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
10435         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
10436
10437         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
10438         for bf547, bf523, bf524, and bf526.
10439         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
10440         bf526.
10441         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10442         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
10443         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
10444         __ADSPBF547__ and __ADSPBF54x__ for bf547.
10445         * doc/invoke.texi (Blackfin Options): Document that
10446         -mcpu now accept bf547, bf523, bf524, and bf526.
10447
10448 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
10449
10450         PR rtl-optimization/34628
10451         * combine.c (try_combine): Stop and undo after the first combination
10452         if an autoincrement side-effect on the first insn has effectively
10453         been lost.
10454
10455 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
10456
10457         PR target/34529
10458         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
10459         Offset addresses are not valid for Altivec or paired float modes.
10460
10461 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
10462
10463         PR c++/34607
10464         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
10465         if DECL_INITIAL (decl) is error_mark_node.
10466
10467         PR c++/34914
10468         * c-common.c (handle_vector_size_attribute): Only allow
10469         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
10470         the same way as pointer, array etc. types.
10471         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
10472
10473         PR c++/34917
10474         * tree.c (build_type_attribute_qual_variant): Call
10475         build_qualified_type if attributes are equal, but quals are not.
10476
10477 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10478
10479         PR 32102
10480         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
10481         * flags.h (warn_strict_aliasing): Remove.
10482         (warn_strict_overflow): Remove.
10483         * opts.c (warn_strict_aliasing): Remove.
10484         (warn_strict_overflow): Remove.
10485         * c-opts.c (c_common_handle_option): -Wall only sets
10486         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
10487         (c_common_post_options): Give default values to -Wstrict-aliasing
10488         and -Wstrict-overflow if they are uninitialized.
10489         * common.opt (Wstrict-aliasing): Specify Var and Init.
10490         (Wstrict-overflow): Likewise.
10491
10492 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
10493
10494         PR rtl-optimization/26854
10495         PR rtl-optimization/34400
10496         PR rtl-optimization/34884
10497         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
10498         DF_RD->gen.
10499         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
10500         (df_rd_bb_info.expanded_lr_out): Deleted
10501         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
10502         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
10503         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
10504         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
10505         Removed code to allocate, initialize or free expanded_lr_out.
10506         (df_rd_bb_local_compute_process_def): Restructured to make more
10507         understandable.
10508         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
10509         sets if the sets are being trimmed.
10510
10511 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10512
10513         PR bootstrap/32287
10514         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
10515         (as_vers): Likewise.
10516         * configure: Regenerated.
10517
10518 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10519
10520         PR middle-end/33092
10521         * tree-pass.h (pass_build_alias): New pass.
10522         * tree-ssa-alias.c (gate_build_alias): New.
10523         (pass_build_alias): New.
10524         * passes.c (init_optimization_passes): Add pass_build_alias after
10525         pass_create_structure_vars.
10526
10527 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
10528
10529         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
10530         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
10531         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
10532         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
10533         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
10534         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
10535         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
10536         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
10537         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
10538         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
10539         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
10540         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
10541         * config/s390/s390.md (FP_ALL): New mode iterator.
10542         (_d): New mode attribute.
10543         ("*signbit<mode>2>"): Changed mode of first operand.
10544         ("isinf<mode>2"): Changed mode of first operand.
10545         ("*TDC_insn"): Adaptation for DFP modes.
10546
10547 2008-01-22  Ben Elliston  <bje@au.ibm.com>
10548
10549         * tree.c (check_qualified_type): Improve function description.
10550
10551 2008-01-21  Jason Merrill  <jason@redhat.com>
10552
10553         PR c++/34196
10554         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
10555         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
10556         if it is set.
10557
10558 2008-01-21  DJ Delorie  <dj@redhat.com>
10559
10560         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
10561         return zero.
10562
10563 2008-01-21  Richard Guenther  <rguenther@suse.de>
10564
10565         PR middle-end/34856
10566         * tree-cfg.c (verify_expr): Allow all invariant expressions
10567         instead of just constant class ones as reference argument.
10568         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
10569         like any other constant.
10570         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
10571
10572 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
10573
10574         * regmove.c (fixup_match_1): Update call crossed frequencies.
10575
10576 2008-01-21  Richard Guenther  <rguenther@suse.de>
10577
10578         PR c/34885
10579         * tree-inline.c (setup_one_parameter): Deal with mismatched
10580         types using a VIEW_CONVERT_EXPR.
10581
10582 2008-01-21  Alon Dayan  <alond@il.ibm.com>
10583             Olga Golovanevsky  <olga@il.ibm.com>
10584         
10585         PR tree-optimization/34701
10586         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
10587         when the structure size is not a power of 2.
10588
10589 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
10590
10591         * doc/install.texi: Add doc for --enable-checking=df.
10592         
10593 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10594
10595         PR rtl-optimization/34808
10596         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
10597
10598 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
10599
10600         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
10601         input.
10602
10603 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
10604
10605         PR rtl-optimization/26854
10606         PR rtl-optimization/34400
10607         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
10608         DF_RD->gen.
10609         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
10610         (df_rd_bb_info.expanded_lr_out): New.
10611         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
10612         * loop_iv.c (iv_analysis_loop_init): Ditto.
10613         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
10614         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
10615         Added code to allocate, initialize or free expanded_lr_out.
10616         (df_rd_bb_local_compute_process_def): Restructured to make
10617         more understandable.
10618         (df_rd_confluence_n): Add code to do nothing with fake edges and
10619         code to no apply invalidate_by_call sets if the sets are being trimmed.
10620         (df_lr_local_finalize): Renamed to df_lr_finalize.
10621         (df_live_local_finalize): Renamed to df_live_finalize.
10622
10623 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
10624
10625         PR target/34831
10626         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
10627         deciding whether to use reciprocal instructions.
10628
10629 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
10630
10631         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
10632         dwarf2out_note_section_used if cold_text_section is NULL.
10633
10634 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
10635
10636         PR gcov-profile/34610
10637         * tree-cfg.c (make_edges): Mark both outgoing edges from
10638         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
10639         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
10640         from OMP_FOR and OMP_CONTINUE outgoing edges.
10641
10642         * tree-profile.c (tree_profiling): Return early if
10643         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
10644         at the end.
10645         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
10646         from cfun to child_cfun.
10647         * function.h (struct function): Add after_tree_profile bit.
10648
10649 2008-01-19 Anatoly Sokolov <aesok@post.ru>
10650
10651         * config/avr/avr.S (_exit): Disable interrupt.
10652
10653 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
10654             Steven Bosscher  <stevenb.gcc@gmail.com>
10655
10656         PR rtl-optimization/26854
10657         PR rtl-optimization/34400
10658         * df-problems.c (df_live_scratch): New scratch bitmap.
10659         (df_live_alloc): Allocate df_live_scratch when doing df_live.
10660         (df_live_reset): Clear the proper bitmaps.
10661         (df_live_bb_local_compute): Only process the artificial defs once
10662         since the order is not important.
10663         (df_live_init): Init the df_live sets only with the variables
10664         found live by df_lr.
10665         (df_live_transfer_function): Use the df_lr sets to prune the
10666         df_live sets as they are being computed.  
10667         (df_live_free): Free df_live_scratch.
10668
10669 2008-01-18  Ian Lance Taylor  <iant@google.com>
10670
10671         * common.opt: Add fmerge-debug-strings.
10672         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
10673         flag_merge_debug_strings rather than flag_merge_constants.
10674         * doc/invoke.texi (Option Summary): Mention
10675         -fmerge-debug-strings.
10676         (Debugging Options): Document -fmerge-debug-strings.
10677
10678 2008-01-18  Ian Lance Taylor  <iant@google.com>
10679
10680         PR c++/33407
10681         * tree.h (DECL_IS_OPERATOR_NEW): Define.
10682         (struct tree_function_decl): Add new field operator_new_flag.
10683         * tree-inline.c (expand_call_inline): When inlining a call to
10684         operator new, force the return value to go into a variable, and
10685         set DECL_NO_TBAA_P on that variable.
10686         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
10687
10688 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
10689
10690         PR debug/34484
10691         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
10692         DWARF2_DEBUGGING_INFO.
10693         (dwarf2out_note_section_used): Ditto.  Add prototype.
10694         (have_multiple_function_sections, text_section_used,
10695         cold_text_section_used, *cold_text_sections): Move declarations
10696         before their uses.
10697
10698 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
10699
10700         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
10701         field and add signal_ra.
10702         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
10703         assignments to frame state pc.  Move end of stack check after
10704         MD_FALLBACK_FRAME_STATE_FOR.
10705         (uw_update_context_1): Use frame state signal_regs if set, instead
10706         of checking signal_frame flag.
10707         (uw_update_context): Use frame state signal_ra if set.
10708         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
10709         * config/xtensa/linux-unwind.h: New file.
10710
10711 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
10712
10713         * modulo-sched.c (get_sched_window): Fix comment typo.
10714
10715 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
10716
10717         PR tree-optimization/34648
10718         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
10719
10720 2008-01-17  Anatoly Sokolov <aesok@post.ru>
10721
10722         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
10723         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
10724
10725 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
10726
10727         PR rtl-optimization/34400
10728         * df-core.c (df_worklist_dataflow_overeager,
10729         df_worklist_dataflow_doublequeue): New functions.
10730         (df_worklist_dataflow): Two different worklist solvers.
10731         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
10732         New param.
10733
10734 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10735
10736         PR testsuite/34821
10737         * doc/invoke.texi: Document the dependence on pthread for fopenmp
10738         and ftree-parallelize-loops.
10739
10740 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
10741
10742         PR rtl-optimization/34826
10743         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
10744
10745 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
10746
10747         * global.c (find_reg): Mark the eh regs as used if necessary.
10748         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
10749         * ra.h (struct allocno): no_eh_reg field added.  Changed
10750         no_stack_reg type to bitfield.
10751
10752 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
10753
10754         * tree.c (substitute_in_expr): Add missing 'break'.
10755
10756 2008-01-17  Richard Guenther  <rguenther@suse.de>
10757
10758         PR tree-optimization/34825
10759         * tree-ssa-math-opts.c (is_division_by): Do not recognize
10760         x / x as division to handle.
10761
10762 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10763
10764         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
10765         "-pthread" is specified.
10766         * pa-hpux11.h (LIB_SPEC): Likewise.
10767
10768 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
10769             Peter Bergner  <bergner@vnet.ibm.com>
10770
10771         PR rtl-optimization/33796
10772         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
10773
10774 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10775
10776         PR libgfortran/34699
10777         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
10778         static links.
10779         * pa-hpux10.h (LINK_SPEC): Likewise.
10780         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
10781
10782 2008-01-16  Richard Guenther  <rguenther@suse.de>
10783
10784         PR middle-end/32628
10785         * fold-const.c (fold_convert_const_int_from_int): Do not
10786         set overflow if that occured only because of a sign extension
10787         change when converting from/to a sizetype with the same
10788         precision and signedness.
10789
10790 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
10791
10792         PR debug/34249
10793         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
10794         location address to the correct place.  Update copyright year.
10795
10796 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10797
10798         * lambda-code.c (lambda_transform_legal_p): Handle the case of
10799         no dependences in the dependence_relations vector.
10800
10801 2008-01-16  Jan Hubicka  <jh@suse.cz>
10802
10803         PR rtl-optimization/31396
10804         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
10805         * cfg.c (dump_reg_info): Print it.
10806         * regs.h (struct reg_info_t): add freq_calls_crossed.
10807         (REG_FREQ_CALLS_CROSSED): New macro.
10808         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
10809         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
10810         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
10811         regmove_optimize): Update call crossed frequencies.
10812         * local-alloc.c (struct qty): Add freq_calls_crossed.
10813         (alloc_qty): Copute freq_calls_crossed.
10814         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
10815         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
10816         * ra.h (struct allocno): Add freq_calls_crossed.
10817
10818 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10819
10820         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
10821         libgomp when compiling with ftree-parallelize-loops.
10822         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
10823
10824 2008-01-16  Richard Guenther  <rguenther@suse.de>
10825
10826         PR tree-optimization/34769
10827         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
10828         * tree.c (int_cst_value): Instead make this function more
10829         permissive in what it accepts as valid input.  Document this
10830         function always sign-extends the value.
10831
10832 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
10833             Richard Guenther  <rguenther@suse.de>
10834
10835         PR c/34668
10836         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
10837         (gimple_fold_indirect_ref_rhs): ... this.
10838         (gimple_fold_indirect_ref): New function with foldings
10839         that preserve lvalueness.
10840         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
10841         * tree-flow.h (gimple_fold_indirect_ref): Declare.
10842         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
10843         to fold an INDIRECT_REF, fall back to the old use of
10844         fold_indirect_ref_1.
10845
10846 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10847
10848         * tree-data-ref.c (subscript_dependence_tester_1): Call 
10849         free_conflict_function.
10850         (compute_self_dependence): Same.
10851
10852 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
10853
10854         PR debug/34249
10855         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
10856         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
10857         function global.
10858         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
10859         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
10860         for DWARF2_UNWIND_INFO targets.
10861
10862 2008-01-16  Richard Guenther  <rguenther@suse.de>
10863
10864         PR c/34768
10865         * c-typeck.c (common_pointer_type): Do not merge inconsistent
10866         type qualifiers for function types.
10867
10868 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
10869
10870         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
10871         loop_iterator li from previous commit.
10872
10873 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10874
10875         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
10876
10877 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
10878
10879         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
10880         (parallelize_loops): Don't parallelize irreducible components.
10881
10882 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10883
10884         PR c++/24924
10885         * c-opts (c_common_post_options): Do not enable CPP
10886         flag_pedantic_errors by default.
10887         
10888 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
10889
10890         PR rtl-optimization/31944
10891         * cse.c (remove_pseudo_from_table): New function.
10892         (merge_equiv_classes): Use above function to remove pseudo-registers.
10893         (invalidate): Likewise.
10894
10895 2008-01-13  Richard Guenther  <rguenther@suse.de>
10896
10897         PR middle-end/34601
10898         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
10899         instead of TYPE_MODE to deal with calls from expand_one_error_var.
10900
10901 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
10902
10903         * gcse.c (cprop_jump): Call validate_unshare_change instead of
10904         validate_change to unshare the source of the PC set.
10905
10906 2008-01-12  Jan Hubicka  <jh@suse.cz>
10907
10908         PR middle-end/32135
10909         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
10910         references above array bounds.  This might trigger bounds checks for
10911         pointers to arrays.
10912
10913 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
10914
10915         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
10916         new_replaceable_dependencies.
10917
10918 2008-01-12  Doug Kwan  <dougkwan@google.com>
10919
10920         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
10921         instead of OPT_Wreturn_type in warning due to ignored return type
10922         qualifiers.
10923         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
10924         options included in -Wextra.
10925         * c.opt: New option -Wignored_qualifiers.
10926         * doc/invoke.texi (Warning Options, -Wextra): Add new option
10927         -Wignore_qualifiers.
10928         (-Wignored-qualifiers): Document.
10929         (-Wreturn-type): Remove description of functionality now handled
10930         by -Wignored-qualifiers.
10931
10932 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
10933
10934         PR ada/33788
10935         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
10936         NOP_EXPR if it is between integral types with the same precision.
10937
10938 2008-01-12  Jan Hubicka  <jh@suse.cz>
10939
10940         PR other/28023
10941         * invoke.texi (max-inline-recursive-depth): Fix default value.
10942
10943 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
10944
10945         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
10946         correct type.
10947
10948 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
10949         
10950         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
10951         
10952 2008-01-11  James E. Wilson  <wilson@specifix.com>
10953
10954         PR target/26015
10955         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
10956
10957 2008-01-11  Anatoly Sokolov <aesok@post.ru>
10958
10959         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
10960         save/restore frame pointer register and don't use 'call-prologues' 
10961         optimization in function with "OS_task" attribute.
10962
10963 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
10964
10965         PR middle-end/31309
10966         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
10967         when copying to memory.
10968
10969 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
10970
10971         PR rtl-optimization/30905
10972         * cfgcleanup.c: Include dce.h
10973         (crossjumps_occured): New global variable.
10974         (try_crossjump_bb): Exit loop after finding a fallthru edge.
10975         If something changed, set crossjumps_occured to true.
10976         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
10977         Don't add/remove fake edges to exit here...
10978         (cleanup_cfg): ...but do it here, when crossjumping.
10979         Run a fast DCE when successful crossjumps occured in the latest
10980         iteration of try_optimize_cfg.
10981
10982 2008-01-11  Richard Guenther  <rguenther@suse.de>
10983
10984         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
10985         (struct vn_unary_op_s): Likewise.
10986         (vn_reference_insert): Free old reference on hash collision.
10987
10988 2008-01-10  Raksit Ashok  <raksit@google.com>
10989
10990         PR rtl-optimization/27971
10991         * combine.c (find_split_point): Split PLUS expressions which are
10992         inside a MEM rtx, and whose first operand is complex.
10993
10994 2008-01-10  DJ Delorie  <dj@redhat.com>
10995
10996         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
10997         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
10998         (m32c_hard_regno_ok): Call the underlying function.
10999
11000 2008-01-10  Richard Guenther  <rguenther@suse.de>
11001
11002         PR middle-end/34683
11003         * tree-cfg.c (tree_merge_blocks): Do not go through the
11004         full-blown folding and stmt updating path if we just deal
11005         with virtual operands.
11006         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
11007         test for abnormal SSA_NAMEs.
11008
11009 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
11010
11011         PR middle-end/34641
11012         * reload.c (push_reload): Add assertions.  All constants from
11013         reg_equiv_constant should have been used for replacing the respective
11014         pseudo earlier.
11015         (find_reloads_address): Invoke find_reloads_address_part for
11016         constant taken from the reg_equiv_constant array.
11017
11018 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
11019
11020         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
11021         field (valnum) the first in the struct.  Replace bools with
11022         unit bit fields.
11023
11024 2008-01-10  Richard Guenther  <rguenther@suse.de>
11025
11026         PR tree-optimization/34651
11027         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
11028         types and ordering for masking and converting.
11029
11030 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
11031
11032         PR tree-optimization/34017
11033         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
11034         also for PHI_NODE expressions.
11035
11036 2008-01-09  Jan Hubicka  <jh@suse.cz>
11037
11038         PR tree-optimization/34708
11039         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
11040         based on number of case labels.
11041         (init_inline_once): Remove switch_cost.
11042         * tree-inline.h (eni_weights_d): Remove switch_cost.
11043
11044 2008-01-09  Richard Guenther  <rguenther@suse.de>
11045         Andrew Pinski  <andrew_pinski@playstation.sony.com>
11046
11047         PR middle-end/30132
11048         * gimplify.c (gimplify_cond_expr): Do not create an addressable
11049         temporary if an rvalue is ok or an lvalue is not required.
11050
11051 2008-01-09  Richard Guenther  <rguenther@suse.de>
11052
11053         PR middle-end/34458
11054         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
11055         adjust return type.
11056
11057 2008-01-09  Richard Guenther  <rguenther@suse.de>
11058
11059         PR middle-end/34679
11060         * tree.c (host_integerp): Check for sizetype only if the
11061         type is an integer type.
11062
11063 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
11064
11065         PR debug/26364
11066         * opts.c (decode_options): Disable inlining of functions called
11067         once if not in unit-at-a-time mode.
11068
11069 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
11070
11071         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
11072
11073 2008-01-08  Richard Guenther  <rguenther@suse.de>
11074
11075         PR middle-end/31863
11076         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
11077         out early if the result will be unused.
11078
11079 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
11080
11081         PR target/34709
11082         Revert:
11083
11084         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
11085         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
11086         for TARGET_RECIP.       
11087         
11088 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
11089         
11090         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
11091         for vectorization tuned.
11092         
11093 2008-01-08  Richard Guenther  <rguenther@suse.de>
11094
11095         PR tree-optimization/34683
11096         * tree-ssa-operands.c (operand_build_cmp): Export.
11097         * tree-ssa-operands.h (operand_build_cmp): Declare.
11098         * tree-vn.c (vuses_compare): Remove.
11099         (sort_vuses): Use operand_build_cmp.
11100         (sort_vuses_heap): Likewise.
11101         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
11102         to re-use old VEC if available.  Do not sort already sorted VUSEs.
11103         (vdefs_to_vec): Do not sort already sorted VDEFs.
11104
11105 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
11106
11107         PR middle-end/34694
11108         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
11109
11110 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
11111
11112         PR target/34702
11113         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
11114         limitations of reciprocal sequences on x86 targets.
11115
11116 2008-01-08  Richard Guenther  <rguenther@suse.de>
11117
11118         PR tree-optimization/34683
11119         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
11120
11121 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
11122
11123         PR target/34622
11124         * config/darwin.c (darwin_mergeable_string_section): Don't use
11125         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
11126
11127 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
11128
11129         PR target/34682
11130         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
11131         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
11132         predicates of op0 and op1 to register_operand.
11133         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
11134         expander using X87MODEF mode iterator.  Change predicates of
11135         op0 and op1 to register_operand.
11136         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
11137         corresponding patterns and macroize using MODEF macro.  Change
11138         predicates of op0 and op1 to register_operand and remove
11139         "m" constraint. Disparage "r" alternative with "!".
11140         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
11141         macroize using X87MODEF macro.  Change predicates of op0 and op1
11142         to register_operand and remove "m" constraint.  Disparage "r"
11143         alternative with "!".
11144         (absneg splitter with memory operands): Remove.
11145         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
11146         patterns and macroize using X87MODEF mode iterator.
11147         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
11148         Change predicate of op1 to register_operand.
11149         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
11150         for memory operands.
11151
11152 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11153
11154         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
11155
11156 2008-01-07  Richard Guenther  <rguenther@suse.de>
11157
11158         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
11159         fields.
11160
11161 2008-01-07  Richard Guenther  <rguenther@suse.de>
11162
11163         PR tree-optimization/34683
11164         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
11165         VOPs of the needed size to save memory.  Use VEC_quick_push
11166         to save compile-time.
11167         (vdefs_to_vec): Likewise.
11168
11169 2008-01-07  Sa Liu  <saliu@de.ibm.com>
11170
11171         * config/spu/spu.md (divdf3): Genetate inline code for double
11172         division.  The implementation doesn't handle INF or NAN, therefore it
11173         only applies when -ffinite-math-only is given.
11174
11175 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
11176
11177         PR libstdc++/34680
11178         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
11179         * doc/cpp.texi ([Common Predefined Macros]): Document.
11180
11181 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
11182
11183         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
11184         order to use commutative addition instead of subtraction.
11185
11186 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11187             Mircea Namolaru  <namolaru@il.ibm.com>
11188             Vladimir Yanovsky  <yanov@il.ibm.com>
11189             Revital Eres  <eres@il.ibm.com>
11190
11191         PR tree-optimization/34263
11192         * tree-outof-ssa.c (process_single_block_loop_latch,
11193         contains_tree_r): New functions.
11194         (analyze_edges_for_bb): Call process_single_block_loop_latch
11195         function to empty single-basic-block latch block if possible.
11196
11197 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
11198
11199         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
11200         for TARGET_RECIP.
11201         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
11202
11203 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
11204
11205         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
11206
11207 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
11208
11209         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
11210
11211 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
11212
11213         PR tree-optimization/34618
11214         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
11215         flag from T.
11216
11217 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
11218
11219         PR target/34673
11220         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
11221         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
11222         Update copyright year.
11223
11224         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
11225         Update copyright year.
11226         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
11227         using NR fixup.
11228
11229 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
11230
11231         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
11232         edge does not point to current bb before changing need_assert.
11233
11234 2008-01-04  Richard Guenther  <rguenther@suse.de>
11235
11236         PR middle-end/34029
11237         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
11238         for verifying purposes if they are is_gimple_min_invariant.
11239
11240 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
11241
11242         PR tree-optimization/34448
11243         PR tree-optimization/34465
11244         * gimplify.c (gimplify_init_constructor): Add new parameter
11245         notify_temp_creation.  Use it.
11246         (gimplify_modify_expr_rhs): Take volatiles into account when
11247         optimizing constructors.
11248         Do not optimize constructors if gimplify_init_constructor will dump to
11249         memory.
11250         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
11251         * gcc.c-torture/compile/pr34448.c: New.
11252
11253 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
11254
11255         PR gcov-profile/34609
11256         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
11257         return_slot if result is TREE_ADDRESSABLE.
11258
11259 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
11260
11261         * config/mips/mips.md (sqrt_condition): Tweak comment.
11262         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
11263
11264 2008-01-03  Tom Tromey  <tromey@redhat.com>
11265
11266         PR c/34457
11267         * c-common.c (c_type_hash): Handle VLAs.
11268
11269 2008-01-03  Jan Hubicka  <jh@suse.cz>
11270
11271         PR tree-optimization/31081
11272         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
11273         0 when inlining and not inlining to first basic block.
11274         (remap_decl): When var is initialized to 0, don't set default_def.
11275         (expand_call_inline): Set entry_bb.
11276         * tree-inline.h (copy_body_data): Add entry_bb.
11277
11278 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
11279
11280         PR c++/34619
11281         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
11282         before returning.
11283
11284         PR tree-optimization/29484
11285         * tree-inline.c (inline_forbidden_p_2): New function.
11286         (inline_forbidden_p): Disallow inlining if some static var
11287         has an address of a local LABEL_DECL in its initializer.
11288         * doc/extend.texi (Labels as Values): Document &&foo behaviour
11289         vs. inlining.
11290
11291 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
11292
11293         PR tree-optimization/34635
11294         * tree-data-ref.c (add_other_self_distances): Make sure that the
11295         evolution step is constant.
11296
11297 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
11298
11299         PR middle-end/34608
11300         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
11301
11302 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
11303
11304         * tree-sra.c (scalarize_init): Insert the generate_element_init
11305         statements after the generate_element_zero statements.
11306
11307 2008-01-02  Richard Guenther  <rguenther@suse.de>
11308
11309         PR middle-end/34093
11310         PR middle-end/31976
11311         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
11312         for very large number of operands instead of ICEing.
11313
11314 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
11315
11316         PR target/34013
11317         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
11318         while stack probing.
11319
11320 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
11321
11322         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
11323         in C++0x mode.
11324
11325 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
11326
11327         PR libmudflap/26442
11328         * tree-mudflap.c (mx_register_decls): Guard warning by
11329         !DECL_ARTIFICIAL check.
11330
11331 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
11332
11333         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
11334         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
11335         sse5_perm<mode>): Fix constraints.