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* gengtype-lex.l: Remove rules for parsing pointer-to-function
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-03-26  Zack Weinberg  <zackw@panix.com>
2
3         * gengtype-lex.l: Remove rules for parsing pointer-to-function
4         typedefs that use the old PARAMS macro.
5
6         * gengtype-lex.l: Remove all rules and states relating to yacc
7         input files.
8         * gengtype-yacc.y: Similarly.
9         * gengtype.c (note_yacc_type): Delete function.
10         * gengtype.h: Update prototypes.
11
12 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
13
14         * tree-pretty-print.c (dump_generic_node): Report precision of
15         unnamed integer types.
16
17 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
18
19         * ifcvt.c (noce_try_store_flag_constants): Don't check
20         no_new_pseudos here.
21         (noce_try_store_flag_constants): Don't check no_new_pseudos.
22         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
23         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
24         noce_try_sign_mask): Likewise.
25         (if_convert): Check no_new_pseudos here.
26
27         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
28         Remove prototypes.
29         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
30         (noce_get_condition): Handle new then_else_reversed argument.
31         (noce_init_if_info): Remove, fold into noce_find_if_block.
32         (noce_process_if_block): Take a struct noce_if_info as the
33         argument.  Don't set up one based on ce_if_info.  Update pointer
34         references accordingly.
35         (cond_move_process_if_block): Likewise.
36         (process_if_block): Removed.
37         (find_if_block): Removed.  Move functionality two new functions,
38         noce_find_if_block and cond_exec_find_if_block.
39         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
40         blocks and the symmetric IF-ELSE-JOIN case.
41         (cond_exec_find_if_block): Also new function mostly based on old
42         find_if_block and process_if_block.
43         (find_if_header): Replace find_if_block call with separately
44         guarded calls to noce_find_if_block and cond_exec_find_if_block.
45         (find_cond_trap): Update noce_get_condition call.
46         (dead_or_predicable): Likewise.
47
48 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
49
50         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
51         Remove.
52         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
53         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
54         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
55         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
56         v4si_ftype_v4si_v2di.   Remove __builtin_ia32_psllw128,
57         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
58         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
59         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
60         __builtin_ia32_psrad128 builtins.
61
62 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
63
64         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
65         * config/i386/constraints.md
66         (define_constraint "I"): Use IN_RANGE macro.
67         (define_constraint "J"): Ditto.
68         (define_constraint "K"): Ditto.
69         (define_constraint "M"): Ditto.
70         (define_constraint "N"): Ditto.
71         (define_constraint "O"): Ditto.
72         * config/i386/predicates.md
73         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
74         (define_predicate "const_0_to_3_operand"): Ditto.
75         (define_predicate "const_0_to_7_operand"): Ditto.
76         (define_predicate "const_0_to_15_operand"): Ditto.
77         (define_predicate "const_0_to_63_operand"): Ditto.
78         (define_predicate "const_0_to_255_operand"): Ditto.
79         (define_predicate "const_1_to_31_operand"): Ditto.
80         (define_predicate "const_2_to_3_operand"): Ditto.
81         (define_predicate "const_4_to_7_operand"): Ditto.
82
83 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
84
85         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
86         in SImode for save_world.
87         * config/rs6000/altivec.md (save_world, restore_world): Convert to
88         LR hard reg.
89
90 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
91
92         PR tree-optimization/30784
93         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
94         BIT_FIELD_REF.
95
96 2007-03-25  Revital Eres  <eres@il.ibm.com>
97
98         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
99           Fold movement_possibility function into it.
100
101 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
102
103         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
104         (load_macho_picbase_{si,di}): Convert to LR hard reg.
105         (call_indirect_nonlocal_darwin64): Same.
106         (call_nonlocal_darwin64): Same.
107         (call_value_indirect_nonlocal_darwin64): Same.
108         (call_value_nonlocal_darwin64): Same.
109         (sibcall_nonlocal_darwin64): Same.
110         (sibcall_value_nonlocal_darwin64): Same.
111         (sibcall_symbolic_64): Same.
112         (sibcall_value_symbolic_64): Same.
113         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
114         LR pseudo.
115         (rs6000_emit_load_toc_table): Same.
116         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
117         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
118         (mull_call): Same.
119         (divss_call): Same.
120         (divus_call): Same.
121         (quoss_call): Same.
122         (quous_call): Same.
123         (load_toc_v4_pic_si): Same
124         (load_toc_v4_PIC_1): Same.
125         (load_toc_v4_PIC_1b): Same.
126         (call_indirect_aix{32,64}): Same.
127         (call_value_indirect_aix{32,64}): Same.
128         (call): Same.
129         (call_value): Same.
130         (call_local{32,64}): Same.
131         (call_value_local{32,64}): Same.
132         (call_indirect_nonlocal_aix{32,64}): Same.
133         (call_nonlocal_aix{32,64}): Same.
134         (call_value_indirect_nonlocal_aix{32,64}): Same.
135         (call_value_nonlocal_aix{32,64}): Same.
136         (call_indirect_nonlocal_sysv<mode>): Same.
137         (call_nonlocal_sysv<mode>): Same.
138         (call_value_indirect_nonlocal_sysv<mode>): Same.
139         (call_value_nonlocal_sysv<mode>): Same.
140         (sibcall): Same.
141         (sibcall_local{32,64}): Same.
142         (sibcall_value_local{32,64}): Same.
143         (sibcall_nonlocal_aix{32,64}): Same.
144         (sibcall_value_nonlocal_aix{32,64}): Same.
145         (sibcall_nonlocal_sysv<mode>): Same.
146         (sibcall_value): Same.
147         (sibcall_value_nonlocal_sysv<mode>): Same.
148
149 2007-03-24  Paul Brook  <paul@codesourcery.com>
150
151         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
152         * config/arm/linux-eabi.h: Remove legacy syscall hack.
153
154 2007-03-24  Richard Henderson  <rth@redhat.com>
155
156         * config/ia64/constraints.md: New file.
157         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
158         satisfies_constraint_?.
159         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
160         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
161         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
162         ia64_output_mi_thunk): Likewise.
163         (ia64_const_ok_for_letter_p): Remove.
164         (ia64_const_double_ok_for_letter_p): Remove.
165         (ia64_extra_constraint): Remove.
166         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
167         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
168         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
169         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
170         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
171         EXTRA_MEMORY_CONSTRAINT): Remove.
172         * config/ia64/ia64.md: Include constriants.md.  Replace
173         CONST_OK_FOR_? with satisfies_constraint_?.
174
175 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
176             H.J. Lu  <hongjiu.lu@intel.com>
177
178         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
179         DPD or BID name.
180         (name macros): Use DPD_BID_NAME to convert names properly.
181
182         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
183         decimal floating point format.
184         (init_floating_libfuncs): Change decimal functions so that they
185         have a "bid_" prefix if the decimal system uses the BID format,
186         and "dpd_" prefix if the decimal system uses the DPD format.
187         (init_interclass_conv_libfuncs): Ditto.
188         (init_intraclass_conv_libfuncs): Ditto.
189
190         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
191         using the BID format.
192
193         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
194         whether we are using the BID decimal format.
195         * configure: Regenerate.
196
197         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
198         the compiler has decimal floating point enabled.  Define
199         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
200         instead of DPD.
201
202         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
203         using the BID format.
204
205         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
206         whether we are using the BID decimal format.
207         * configure: Regenerate.
208
209         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
210         the compiler has decimal floating point enabled.  Define
211         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
212         instead of DPD.
213
214         * doc/install.texi (--enable-decimal-float): Document BID and DPD
215         options, and that it is enabled for i386/x86_64 systems.
216
217         * Makefile.in (enable_decimal_float): New.
218         (DECNUMFMT): New.
219         (DECNUMINC): Add  -I$(DECNUMFMT).
220         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
221         to $(DECNUMFMT) from $(DECNUM).
222
223         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
224         Substitute enable_decimal_float.
225         * configure: Regenerated.
226
227         PR other/30529
228         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
229         unsigned long.
230
231         * configure.ac: Enable decimal float for x86_64-*-linux*.
232         * configure: Regenerated.
233
234         PR other/30530
235         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
236         decimal128ClearSign to flip and clear the sign bit in decimal128.
237         (decimal_real_maxval): Set decimal128SetSign to set the sign
238         bit in decimal128.
239
240 2007-03-23  Ian Lance Taylor  <iant@google.com>
241
242         * fold-const.c (fold_binary): Correct warning for X - c >= X.
243
244 2007-03-23  Ian Lance Taylor  <iant@google.com>
245
246         * tree-dump.c (dump_files): Correct comment.
247
248 2007-03-23  Ian Lance Taylor  <iant@google.com>
249
250         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
251
252 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
253
254         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
255         in cfglayout mode.  Don't go into and out of cfglayout mode.
256         Link the blocks in the order of the constructed traces.
257         (rest_of_handle_tracer): Adjust call to tracer.
258         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
259         Don't go into cfglayout mode.
260         (rtl_loop_done): Don't go out of cfglayout mode.
261         * cfglayout.c (relink_block_chain): New function, split out from...
262         (fixup_reorder_chain): ...here.  Remove redundant checking.
263         (cfg_layout_finalize): Don't clear the header, footer, and aux
264         fields here, move the code to do so to relink_block_chain.  Likewise
265         for free_original_copy_tables.
266         * rtl.h (tracer): Update prototype.
267         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
268         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
269         mode.  Use relink_block_chain to serialize the CFG according to the
270         new basic block order.  Move targetm.cannot_modify_jumps_p check from
271         here...
272         (gate_handle_reorder_blocks): ...to here.
273         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
274         from here...
275         (gate_duplicate_computed_gotos): ...to here.
276         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
277         something always changes when going into and out of cfglayout mode.
278         Perform an expensive cfg cleanup while going into cfglayout mode.
279         Always update liveness information on HAVE_conditional_execution
280         targets.  Reserialize the basic blocks and go out of cfglayout mode.
281         * reg-stack.c: Include cfglayout.h.
282         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
283         the call to reorder_basic_blocks.
284         * basic-block.h (reorder_basic_blocks): Update prototype.
285         (relink_block_chain): New prototype.
286         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
287
288 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
289
290         * config/mips/mips.md (type, hazard, *movdi_32bit,
291         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
292         *movhi_internal, *movqi_internal, *movsf_hardfloat,
293         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
294         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
295         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
296         applicable.
297         (movcc): Change first xfer to multi.
298         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
299         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
300         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
301         config/mips/generic.md: Change reservations using "xfer" to use
302         "mfc,mtc".
303         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
304         using match_operand.
305         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
306         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
307         examining mode.
308         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
309
310 2007-03-22  Richard Henderson  <rth@redhat.com>
311
312         * config/i386/i386.c: Remove unnecessary function declarations.
313         Move targetm definition, and all related macros, to the end of
314         the file.  Resort some functions to put definitions before uses.
315         (ix86_attribute_table): Make static.  Move to end of file.
316         (ix86_gimplify_va_arg): Make static.
317
318 2007-03-22  Richard Henderson  <rth@redhat.com>
319
320         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
321         don't increase local_regparm with force_align_arg_pointer check.
322         (ix86_function_sseregparm): Assert 32-bit.
323         (type_has_variadic_args_p): New.
324         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
325         type_has_variadic_args_p.
326         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
327         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
328         use memset instead.  Do maybe_vaarg check first; skip attribute
329         tests if true; skip attribute tests for 64-bit.
330         (construct_container): Remove TARGET_DEBUG_ARG.
331         (function_arg_advance_32, function_arg_advance_64): Split out ...
332         (function_arg_advance): ... from here.
333         (function_arg_32, function_arg_64): Split out ...
334         (function_arg): ... from here.
335         (ix86_pass_by_reference): Tidy.
336         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
337         (function_value_32): New, from parts of ix86_function_value
338         and ix86_value_regno.
339         (function_value_64): New, from parts of ix86_function_value
340         and ix86_libcall_value.
341         (ix86_function_value_1): New.
342         (ix86_function_value, ix86_libcall_value): Use it.
343         (return_in_memory_32, return_in_memory_64): Split out ...
344         (ix86_return_in_memory): ... from here.
345         (ix86_struct_value_rtx): Skip for 64-bit.
346         (ix86_libcall_value, ix86_value_regno): Remove.
347         (setup_incoming_varargs_64): Split out ...
348         (ix86_setup_incoming_varargs): ... from here.
349         (ix86_va_start): Remove TARGET_DEBUG_ARG.
350         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
351         * config/i386/i386-protos.h (ix86_function_value): Remove.
352         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
353
354 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
355
356         PR other/23572
357         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
358         infinities not supported, otherwise emit warning if -Woverflow. On
359         underflow, emit warning if -Woverflow.
360         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
361         and 0 otherwise.
362         * real.h (real_from_string): Update declaration
363
364 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
365             Richard Henderson  <rth@redhat.com>
366
367         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
368         * calls.c (compute_argument_block_size, expand_call,
369         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
370         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
371         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
372         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
373         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
374         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
375         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
376         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
377         Set to 1.
378
379 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
380
381         * c-incpath.c (add_sysroot_to_chain): New.
382         (merge_include_chains): Add sysroot argument.  Call
383         add_sysroot_to_chain if sysrooted.
384         (register_include_chains): Update call to merge_include_chains.
385         * doc/cppopts.texi: Document use of '=' in include directory
386         arguments.
387
388 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
389
390         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
391         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
392         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
393         insn pattern using X87MODEF12 mode macro.
394
395 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
396
397         * regmove.c (regmove_optimize): Use reg_mentioned_p
398         instead of reg_overlap_mentioned_p for DST.
399
400 2007-03-21  Mike Stump  <mrs@apple.com>
401
402         * c.opt: Fixup for Objective-C/C++.
403
404 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
405
406         * explow.c (convert_memory_address): Fold memory reference when
407         POINTERS_EXTEND_UNSIGNED < 0
408
409 2007-03-21  Richard Henderson  <rth@redhat.com>
410
411         PR target/31245
412         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
413         * config/i386/mmintrin.h (__m64): Likewise.
414         * config/i386/xmmintrin.h (__m128): Likewise.
415
416 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
417
418         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
419         (VXWORKS_OS_CPP_BUILTINS): Define.
420         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
421         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
422
423 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
424
425         * rtl.h (constant_pool_reference_p): Delete.
426         (find_constant_src): Declare.
427         * rtlanal.c (find_constant_src): New function.
428         * simplify-rtx.c (constant_pool_reference_p): Delete.
429         * config/i386/i386.md: Use find_constant_src instead of
430         constant_pool_reference_p/avoid_constant_pool_reference pairs.
431
432 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
433
434         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
435         * c-cppbuiltin.c (c_cpp_builtins): Define them.
436
437 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
438
439         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
440         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
441         (arm_elf_asm_constructor): Use it.
442         (arm_elf_asm_destructor): New function.
443
444 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
445
446         * jump.c (mark_jump_label): Treat SEQUENCE specially.
447
448 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
449
450         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
451
452 2007-03-19  Andrew Haley  <aph@redhat.com>
453
454         PR tree-optimization/31264
455         * tree-vrp.c (register_edge_assert_for_1): Don't look though
456         VIEW_CONVERT_EXPRs.
457
458 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
459
460         PR rtl-optimization/30907
461         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
462         (fwprop_init): Always call loop_optimizer_initialize.
463         (fwprop_done): Always call loop_optimizer_finalize.
464         (fwprop): We always have loop info now.
465         (gate_fwprop_addr): Remove.
466         (pass_fwprop_addr): Use gate_fwprop as gate.
467
468         PR rtl-optimization/30841
469         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
470         df_chain_alloc): Call df_reorganize_refs unconditionally.
471         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
472         refs_organized to refs_organized_size.
473         (df_ref_create_structure): Use refs_organized_size instead of
474         bitmap_size if refs had been organized, and keep refs_organized_size
475         up-to-date.
476         * df.h (struct df_ref_info): Change refs_organized to
477         refs_organized_size.
478         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
479         bitmap_size.
480
481 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
482
483         * except.c (output_function_exception_table): Do not reference the
484         EH personality routine for functions that do not require an
485         exception table.
486
487 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
488
489         PR c/30762
490         * c-typeck.c (convert_for_assignment): Call comptypes for
491         RECORD_TYPE or UNION_TYPE.
492
493         PR inline-asm/30505
494         * reload1.c (reload): Do invalid ASM checking after
495         cleanup_subreg_operands.
496
497 2007-03-19  Jeff Law  <law@redhat.com>
498
499         * tree-cfg.c (find_taken_edge): Tighten conditions for
500         optimizing computed gotos.
501
502 2007-03-19  Michael Matz  <matz@suse.de>
503
504         * builtins.c (expand_builtin_sync_operation,
505         expand_builtin_compare_and_swap,
506         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
507         correctly.
508
509         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
510         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
511         for operand 3.
512
513 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
514
515         * doc/tm.texi: Add brackets around the return type of
516         TARGET_SECONDARY_RELOAD.
517
518 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
519         Richard Guenther  <rguenther@suse.de>
520
521         PR tree-optimization/31254
522         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
523         Use handled_component_p () where appropriate.  Continue
524         propagating into the rhs if we propagated into an INDIRECT_REF
525         on the lhs.
526
527 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
528
529         * config/s390/s390.md (op_type attribute): RRR instruction type added.
530         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
531         (xde, xdee): Mode attributes adjusted to support DFP modes.
532         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
533         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
534         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
535         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
536         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
537         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
538         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
539         numbers.
540         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
541         "movsf"): Insn definitions removed.
542         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
543         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
544         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
545         definitions added.
546         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
547         "reload_in<mode>", "reload_out<mode>"): Expander added.
548         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
549         Expander removed.
550
551 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
552
553         * config/s390/s390.md: Only non-functional changes.  Renamed
554         FPR mode macro to BFP all over the file.
555
556 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
557
558         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
559         (op_type attribute): RRF instruction type added.
560         (fT0): New mode attribute.
561         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
562         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
563         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
564         no secondary memory is needed when moving DFmode values between GPRs
565         and FPRs.
566
567 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
568
569         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
570         inverted and documentation adjusted.
571         ("mhard-dfp", "msoft-dfp"): New options.
572         * config/s390/s390.c (s390_handle_arch_option): New architecture
573         switch: z9-ec.
574         (override_options): Sanity checks for the new options added.
575         * config.gcc: New architecture switch: z9-ec.
576         * config/s390/s390.h (processor_flags): PF_DFP added.
577         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
578         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
579         when the bit is NOT set so remove it from the defaults.
580
581 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
582
583         * genemit.c (main): Print include statement for dfp.h.
584         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
585         is not available.
586
587 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
588
589         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
590
591 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
592
593         PR target/31022
594         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
595         instead of PATTERN.
596
597 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
598
599         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
600         attr_length_call, output_call, output_indirect_call): Cleanup
601         formatting of targetm calls.
602
603 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
604
605         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
606
607 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
608
609         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
610         reservation, bypass and anti-bypass descriptions for these instructions.
611         Update move patterns.
612         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
613         TYPE_FPSTORE.
614
615 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
616
617         * tree-vect-transform.c (get_initial_def_for_induction): Replace
618         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
619         (get_initial_def_for_reduction): Likewise.
620
621 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
622
623         Fix PR tree-optimization/29922
624         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
625         (get_representative): Removed.
626         (value_dies_in_block_x): Update for rvuse removal.
627         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
628         (compute_antic_aux): Handle when PHI nodes appear in
629         non-single-successors.
630         (dump_bitmap_of_names): Removed.
631         (compute_antic_safe): Renamed and removed rvuse calculation.
632         Calculate only antic safe.
633         (insert_into_preds_of_block): Remove assert.
634         (execute_pre): Update for renamed functions.
635         (defer_or_phi_translate_block): New function.
636
637 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
638
639         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
640         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
641         typos.
642         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
643         Follow spelling conventions.
644
645         * tree-data-ref.h: Remove the prototype for analyze_array.
646
647 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
648
649         PR tree-optimization/31041
650         * tree-vect-transform.c (get_initial_def_for_induction): Call
651         force_gimple_operand.
652
653 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
654
655         * ipa-type-escape.c (look_for_casts) : Revert code to use
656         handled_component_p due to ada test a-numaux.adb.
657
658 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
659
660         * final.c (final_scan_insn): Alter the condition of a
661         conditional trap if we have nonstandard CC.
662
663 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
664
665         * configure.ac: Remove excess quoting from asm line 0 test.
666         * configure: Rebuilt.
667
668 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
669
670         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
671         * c-common.c (convert_and_check): Move warning logic to...
672         (warnings_for_convert_and_check): ...here. Define.
673         * c-common.h (warnings_for_convert_and_check): Declare.
674
675 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
676
677         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
678         (output_call): Likewise.
679
680 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
681
682         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
683
684 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
685
686         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
687
688 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
689
690         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
691         opteron, athlon-64 and athlon-fx processor_alias_table entries.
692
693 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
694
695         PR tree-optimization/31183
696         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
697         Use double_int instead of unsigned int for representing access_strides.
698         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
699
700 2007-03-16  Richard Guenther  <rguenther@suse.de>
701
702         PR tree-optimization/31146
703         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
704         to allow recursion of forward_propagate_addr_expr.
705         (forward_propagate_addr_into_variable_array_index): Likewise.
706         (forward_propagate_addr_expr): Likewise.
707         (tree_ssa_forward_propagate_single_use_vars): Likewise.
708         (forward_propagate_addr_expr_1): Recurse on simple copies
709         instead of propagating into them.  Do so for useless conversions
710         as well.
711         (forward_propagate_addr_expr): Clean up unused statements after
712         recursion.
713
714 2007-03-16  Richard Guenther  <rguenther@suse.de>
715
716         * builtins.c (expand_builtin_cexpi): Use the right argument
717         for the expansion via cexp.
718
719 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
720
721         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
722         * configure: Rebuilt.
723
724 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
725
726         PR debug/29906
727         * dwarf2out.c (force_type_die): Adjust comment.
728         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
729
730 2007-03-15  DJ Delorie  <dj@redhat.com>
731
732         * config/frv/predicates.md (minmax_operator): Don't check operands
733         here.
734
735 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
736
737         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
738         Update constant estimates of number of iterations.
739         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
740         argument renamed to "realistic".
741         (compute_estimated_nb_iterations): Removed.
742         (record_niter_bound): New function.
743         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
744         call record_nonwrapping_iv with upper = false.
745         (infer_loop_bounds_from_signedness): Pass upper argument to
746         record_nonwrapping_iv.
747         (estimate_numbers_of_iterations_loop): Do not call
748         compute_estimated_nb_iterations.  Record estimate based on profile
749         information.  Initialize the constant estimates of number of
750         iterations.
751         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
752         estimates.
753         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
754         number of iterations is too small.
755         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
756         (EST_NOT_AVAILABLE): Removed.
757         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
758         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
759         fields.
760
761 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
762
763         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
764         Handle NE_EXPR guards.
765
766 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
767
768         PR c++/24924
769         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
770         Set also -pedantic-errors by default for the  preprocessor unless
771         -fpermissive is given.
772
773 2007-03-15  Richard Guenther  <rguenther@suse.de>
774
775         PR middle-end/29719
776         PR middle-end/31161
777         * builtins.c (expand_builtin_cexpi): As a fallback if we
778         don't have builtins for sincos or cexp create a function
779         declaration for cexp and expand to a call to that.
780         (expand_builtin_int_roundingfn): Always fall
781         back to floor/ceil and its variants even if they may be
782         not available.
783
784 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
785
786         PR middle-end/31159
787         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
788         jump tables, move the call to delete_dead_jumptables from here...
789         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
790         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
791         don't allow merging of blocks that try_redirect_by_replacing_jump
792         also does not handle when not optimizing.
793
794 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
795             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
796
797         * config/i386/i386.md (x86_sahf_1): Correctly handle
798         HAVE_AS_IX86_SAHF.
799
800 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
801
802         PR target/31167
803         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
804         x86_64_general_operand as operand[2] predicate.  Remove "iF"
805         from operand constraints and use "e" constraint instead.
806         (*subti3_1, *subti3_1 splitter): Ditto.
807         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
808         operand[1] predicate.
809
810 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
811
812         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
813         arrays, multiply the access strides by the size of the sub-array.
814         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
815
816 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
817
818         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
819         the configured assembler supports the sahf mnemonic.
820         * configure: Regenerate.
821         * config.in: Regenerate.
822
823         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
824         emit "sahf" or ".byte\t0x9e" as asm template.
825
826 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
827
828         PR 31018
829         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
830         option to replace hard coded TARGET_xxx in md file.
831         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
832         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
833         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
834         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
835         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
836         (X86_TUNE_NOT_VECTORMODE): Ditto.
837         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
838         (TUNE_AVOID_VECTOR_DECODE): Ditto.
839         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
840         (TUNE_SLOW_IMUL_IMM8): Ditto.
841         (TUNE_MOVE_M1_VIA_OR): Ditto.
842         (TUNE_NOT_UNPAIRABLE): Ditto.
843         (TUNE_NOT_VECTORMODE): Ditto.
844
845         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
846         options.
847
848         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
849         tuning options instead of hard coded TARGET_xxx.
850         (fix ssemode peephole2's): Ditto.
851         (imul peephole2's): Ditto.
852         (movsi_or): Ditto.
853         (movdi_or_rex64): Ditto.
854         (move peephole2): Ditto.
855         (not peephole2's): Ditto.
856
857 2007-03-14  Dirk Mueller  <dmueller@suse.de>
858
859         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
860         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
861         * c-parser.c (c_parser_if_body): Always add an empty statement in case
862         of empty body.
863         * c-parser.c (c_parser_do_statement): Warn about empty body in
864         do/while statement.
865         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
866         * doc/invoke.texi (-Wempty-body): Update documentation.
867
868 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
869
870         PR c/21438
871         * c-common.h (warn_for_div_by_zero): Declare.
872         * c-common.c (warn_for_div_by_zero): Define.
873         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
874         warning.
875
876 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
877
878         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
879         to PREFIX and STANDARD_PREFIX.
880
881 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
882             Phil Edwards  <phil@codesourcery.com>
883
884         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
885         (__gthread_once_t): Remove busy field for RTPs.
886         (__GTHREAD_ONCE_INIT): Update accordingly.
887
888 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
889
890         * doc/invoke.texi: Document VxWorks options.
891
892 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
893
894         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
895
896 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
897
898         PR tree-optimization/30590
899         * tree-nrv.c (tree_nrv): Check for the partial update of the
900         return value.
901
902 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
903
904         * flags.h (flag_random_seed): Remove declaration, in favor of...
905         * toplev.h (get_random_seed, set_random_seed): ... these.
906         * tree.c (get_file_function_name): Use the former.
907         * opts.c (common_handle_option): Use the latter.
908         * toplev.c
909
910 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
911
912         PR middle-end/31127
913         * cse.c (cse_find_path): Do not bail out if a basic block that
914         we already visited now becomes part of a path that starts at a
915         different basic block.  Just disallow this, to make sure we
916         visit each basic block at most once.
917
918 2007-03-13  Jan Hubicka  <jh@suse.cz>
919
920         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
921         when profile esitmate is present, calls with very low frequency are
922         cold.
923
924 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
925
926         PR tree-optimization/30730
927         PR tree-optimization/26900
928         * tree-ssa-loop-niter.c: Include gmp.h.
929         (bounds): New type.
930         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
931         split_to_var_and_offset, determine_value_range,
932         bound_difference_of_offsetted_base, refine_bounds_using_guard,
933         bound_difference, bounds_add, bounds_negate,
934         number_of_iterations_ne_max, dump_affine_iv): New functions.
935         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
936         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
937         difference of initial and final value of control iv to validate
938         results.
939         (number_of_iterations_cond): Add loop parameter.  Determine bounds
940         on the difference of the extremes of the control iv.  Add dumps.
941         (expand_simple_operations): Handle phi nodes.
942         (simplify_using_initial_conditions): Do not record used conditions.
943         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
944         Do not set additional_info.
945         (implies_nonnegative_p, implies_ge_p): Removed.
946         (derive_constant_upper_bound): Do not use parameter `additional'.
947         (record_estimate): Parameter `additional' removed.  Parameter
948         `i_bound' added.  Do not call derive_constant_upper_bound.
949         (record_nonwrapping_iv): Use derive_constant_upper_bound to
950         bound the number of iterations estimate.
951         (estimate_numbers_of_iterations_loop): Pass the estimate from
952         the number of iterations analysis to record_estimate.
953         * tree.h (multiple_of_p): Declare.
954         * tree-scalar-evolution.c (expression_expensive_p): Removed.
955         (scev_const_prop): Do not check expression_expensive_p.
956         * fold-const.c (multiple_of_p): Exported.
957         * double-int.c (double_int_mask): Exported.
958         * double-int.h (double_int_mask): Declare.
959         * tree-flow.h (struct tree_niter_desc): Removed additional_info
960         field.  Added max field.
961
962 2007-03-13  David Taylor  <taylor@candd.org>
963
964         PR driver/12448:
965         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
966         default -MQ.
967
968 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
969
970         PR target/31123
971         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
972         two unamed patterns.
973
974 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
975
976         * config/i386/i386.opt (mcx16, msahf): New options.
977         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
978         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
979
980         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
981         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
982         Output -mcx16 and -msahf options when corresponding bit is set.
983
984         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
985         and -msahf options.
986
987 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
988
989         * configure.ac: Test for assembler tolerance to # 0 "".
990         * configure, config.in: Rebuilt.
991         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
992
993 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
994
995         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
996
997         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
998         (handle_syscall): Handle direct system calls.
999         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
1000
1001 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1002
1003         * doc/invoke.texi: Fix cpp.info cross-reference.
1004         * doc/passes.texi: Fix gcc.info cross-reference.
1005
1006 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
1007
1008         PR tree-optimization/30835
1009         * lambda-code.c (can_convert_to_perfect_nest): Check whether
1010         bb_for_stmt is not NULL before accessing it.
1011
1012 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
1013
1014         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
1015         some multilibs.
1016
1017 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1018
1019         PR 30635
1020         * doc/install.texi: Document --enable-stage1-languages
1021
1022 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
1023
1024         * tree-pass.h (pass_into_cfg_layout_mode,
1025         pass_outof_cfg_layout_mode): Declare.
1026         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
1027         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
1028         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
1029         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
1030
1031 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
1032
1033         * c-decl.c (warn_variable_length_array): New function.
1034         Refactored from grokdeclarator to handle warn_vla
1035         and handle unnamed array case.
1036         (grokdeclarator): Refactored VLA warning case.
1037         * c.opt (Wvla): New flag.
1038         * doc/invoke.texi (Wvla): New warning.
1039
1040 2007-03-12  Richard Henderson  <rth@redhat.com>
1041
1042         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1043         (TARGET_SECTION_TYPE_FLAGS): New.
1044
1045 2007-03-12  Richard Henderson  <rth@redhat.com>
1046
1047         * config/darwin.c (machopic_reloc_rw_mask): New.
1048         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1049         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1050
1051 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
1052
1053         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
1054         * cppdefault.h (cpp_PREFIX): Document.
1055         (cpp_PREFIX_len): Likewise.
1056         (cpp_EXEC_PREFIX): New variable.
1057         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
1058         * c-incpath.c (add_standard_paths): Correct logic for relocating
1059         paths within prefix.
1060
1061 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
1062
1063         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
1064         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
1065         mode macro.
1066         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
1067         fix_truncdfdi_sse using SSEMODEF mode macro.
1068         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
1069         fix_truncdfsi_sse using SSEMODEF mode macro.
1070         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
1071         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
1072
1073 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
1074
1075         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
1076         elfos.h to tm_file.
1077
1078 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
1079
1080         * tree.h : Add multiple_of_p declaration.
1081         * fold-const.c (multiple_of_p): Make multiple_of_p public.
1082         * ipa-type-escape.c (results_of_malloc): Redundant.
1083         (visited_stmts): New. Visited stmt for walk_use_def_chains.
1084         (cast_type): Extended with new members.
1085         (check_cast): Returns cast_type.
1086         (cast): New structure for data of walk_use_def_chains.
1087         (is_malloc_result, is_cast_from_non_pointer_1,
1088         is_cast_from_non_pointer,
1089         is_array_access_through_pointer_and_index): New functions.
1090         (look_for_casts): Returns cast types.
1091         (check_call): Returns void.
1092         (okay_pointer_operation): Use support of pointer plus index,
1093         pointer plus constant and allow all multiplications.
1094
1095 2007-03-11  Richard Guenther  <rguenther@suse.de>
1096
1097         PR tree-optimization/31115
1098         * tree-vrp.c (extract_range_from_binary_expr): Make sure
1099         the shift count is positive and non-anti-range for RSHIFT_EXPR.
1100         A shift count of zero is not special as with *_DIV_EXPR.
1101         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
1102         direction.
1103
1104 2007-03-11  Ian Lance Taylor  <iant@google.com>
1105
1106         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1107         the *_DIV_EXPR codes correctly with overflow infinities.
1108
1109 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1110
1111         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1112         indicate success/failure of the analysis. Add negation to subtrahend
1113         in case of subtraction. Fail if both operands contain constants.
1114         (create_data_ref): Fail if analyze_offset fails.
1115
1116 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
1117
1118         * config/i386/i386.md (frndintxf2): Rename to ...
1119         (rintxf2): ... this. Remove expander having same name.
1120         (rintsf2, rintdf2): Implement using SSEMODEF macro.
1121         (roundsf2, rounddf2): Ditto.
1122         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
1123         (lround<mode>di2, lround<mode>si2): Ditto.
1124
1125 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
1126
1127         * lower-subreg.c: Include except.h.
1128         (decompose_multiword_subregs): Verify that the only control flow
1129         insns we can split are loads to multi-words pseudos.
1130         Handle breaking such blocks after splitting, instead of calling
1131         find_many_sub_basic_blocks.
1132
1133         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
1134         on the new basic block.  Add a lengthy comment explaining why we
1135         thought this was necessary.
1136         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
1137
1138 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
1139
1140         PR c++/30924
1141         * tree.c (walk_type_fields): Recurse into the element type of
1142         ARRAY_TYPEs if there is a pointer set.
1143
1144 2007-03-10  Dirk Mueller  <dmueller@suse.de>
1145
1146         * c-common.c (warn_logical_operator): Fix condition.
1147
1148 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
1149
1150         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
1151         quotation mark.
1152         * config/darwin.c (machopic_select_section): Remove superfluous
1153         argument in call to categorize_decl_for_section.  Remove unused
1154         variable shlib.
1155
1156 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
1157
1158         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
1159         defined.
1160         * configure: Regenerate.
1161
1162 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
1163
1164         PR target/31101
1165         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
1166         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
1167         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
1168         Add LABEL_NUSES to emitted label.
1169         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
1170         branch probability value to emitted jump insn.
1171         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
1172         Do not check life information and do not re-arrange input operands
1173         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
1174
1175 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1176
1177         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
1178         the change of decode_asm_operands.
1179
1180 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1181
1182         * mode-switching.c (create_pre_exit): Skip blockage insn.
1183
1184 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
1185
1186         * tree-pass.h (TODO_update_smt_usage): Remove.
1187         Update all users.
1188         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1189         argument SOME.
1190         Update all users.
1191
1192 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1193
1194         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
1195         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
1196         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
1197         SOM target.
1198
1199 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
1200
1201         * gcc.c: Document %{, in big comment at top.
1202         (input_suffix_matches): Remove special handling for .s and
1203         .S.
1204         (input_spec_matches): New.
1205         (handle_braces): Handle %{,.
1206         (validate_switches): ',' indicates a value which is not a switch.
1207         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
1208         to detect assembler input.
1209         * config/i386/sol2.h (CPP_SPEC): Likewise.
1210         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
1211         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1212         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
1213         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1214         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
1215         -m64 causes deployment target to default to 10.5.
1216         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1217
1218 2007-03-09  Richard Henderson  <rth@redhat.com>
1219
1220         PR target/26090
1221         * target.h (targetm.asm.out.reloc_rw_mask): New.
1222         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
1223         (TARGET_ASM_OUT): Use it.
1224         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
1225         * varasm.c (categorize_decl_for_section): Remove shlib argument;
1226         use the new reloc_rw_mask target hook instead.
1227         (default_section_type_flags_1): Merge into...
1228         (default_section_type_flags): ... here.
1229         (decl_readonly_section_1): Merge into...
1230         (decl_readonly_section): ... here.
1231         (default_elf_select_section_1): Merge into...
1232         (default_elf_select_section): ... here.
1233         (default_unique_section_1): Merge into...
1234         (default_unique_section): ... here.
1235         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
1236         (default_select_rtx_section): Use it.
1237         (default_elf_select_rtx_section): Likewise.
1238         * output.h: Update to match.
1239         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1240         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1241         (TARGET_ASM_RELOC_RW_MASK): New.
1242         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1243         to categorize_decl_for_section.
1244         (x86_64_elf_unique_section): Likewise.
1245         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1246         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1247         (TARGET_ASM_RELOC_RW_MASK): New.
1248         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1249         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1250         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1251         (TARGET_RWRELOC): Remove.
1252         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1253         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1254         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1255         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1256         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
1257         (rs6000_xcoff_select_section): Use decl_readonly_section.
1258         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
1259         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1260         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
1261         (TARGET_SECTION_TYPE_FLAGS): Remove.
1262         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
1263
1264 2007-03-09  Roger Sayle  <roger@eyesopen.com>
1265
1266         * fold-const.c (fold_comparison): Remove compile-time evaluation of
1267         complex constant equality/inequality comparisons for here.
1268         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
1269         known at compile-time or can be simplified to a scalar comparison.
1270         (fold_relational_const): Move compile-time evaluation of complex
1271         constant equality/inequality comparisons to here.
1272
1273 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1274
1275         PR rtl-optimization/30643
1276         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
1277         dest_addr_elt.
1278         (fold_rtx): Recurse, like before 2006-11-03.
1279
1280 2007-03-09  DJ Delorie  <dj@redhat.com>
1281
1282         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
1283         m32c-pragma.o.
1284
1285 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
1286
1287         PR tree-optimization/30375
1288         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
1289         LHS of statements is not the same.
1290         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
1291
1292 2007-03-09  Chao-ying Fu  <fu@mips.com>
1293
1294         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
1295         REV 2.
1296         * doc/invoke.texi (-mdspr2): Document new option.
1297         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
1298         New unspec for DSP REV 2.
1299         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
1300         these instructions are extended in DSP REV 2.
1301         (mips-dspr2.md): Include.
1302         * config/mips/mips.opt (mdspr2): New option.
1303         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
1304         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
1305         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
1306         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
1307         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
1308         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
1309         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
1310         and 2 builtins.
1311         (bdesc_map): Add one field of unsupported_target_flags.
1312         (bdesc_arrays):  Update entries to have extra fields.  Add
1313         dsp_32only_bdesc.
1314         (mips_init_builtins): Initialize new function types.
1315         Check unsupported_target_fileds to filter out builtins.
1316         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
1317         TARGET_DSPR2.
1318         (ASM_SPEC): Pass mdspr2 to the assembler.
1319         * config/mips/mips-dspr2.md: New file.
1320
1321 2007-03-09  Sa Liu  <saliu@de.ibm.com>
1322
1323         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
1324
1325 2007-03-09  Ian Lance Taylor  <iant@google.com>
1326
1327         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
1328         argument) like -Wstrict-overflow=2.
1329         * doc/invoke.texi (Warning Options): Update documentation.
1330
1331 2007-03-09  Dirk Mueller  <dmueller@suse.de>
1332
1333         PR c++/17946
1334         * doc/invoke.texi (-Wlogical-op): Document.
1335         * common.opt (-Wlogical-op): New.
1336         * c-common.h (warn_logical_operator): Declare.
1337         * c-common.c (warn_logical_operator): Define.
1338         * c-typeck.c (parser_build_binary_op): Call
1339         warn_logical_operator.
1340
1341 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1342
1343         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
1344         * final.c (final_scan_insn): Test for non-"" file name.
1345
1346 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
1347
1348         * doc/loop.texi: Document the Omega linear constraints solver.
1349         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
1350         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
1351         omega-hash-table-size, omega-max-keys, and
1352         omega-eliminate-redundant-constraints.
1353         * tree-pass.h (pass_check_data_deps): Declared.
1354         * omega.c: New.
1355         * omega.h: New.
1356         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
1357         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
1358         pass_check_data_deps): New.
1359         * tree-data-ref.c (init_data_ref): Remove declaration.
1360         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
1361         (analyze_array): Renamed init_array_ref, move up initializations.
1362         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
1363         Removed arguments that are set to NULL.
1364         (analyze_indirect_ref): Correct indentation, correct call to
1365         init_pointer_ref.
1366         (object_analysis): Call init_array_ref instead of analyze_array.
1367         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
1368         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
1369         of DR_ACCESS_FNS_ADDR.
1370         (init_omega_eq_with_af, omega_extract_distance_vectors,
1371         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
1372         ddr_consistent_p): New.
1373         (compute_affine_dependence): Check consistency of ddrs when
1374         flag_check_data_deps is passed.
1375         (analyze_all_data_dependences): Uncomment.
1376         (tree_check_data_deps): New.
1377         * tree-data-ref.h: Include omega.h.
1378         (DR_ACCESS_FNS_ADDR): Removed.
1379         (data_dependence_relation): Add inner_loop.
1380         (DDR_INNER_LOOP): New.
1381         * common.opt (fcheck-data-deps): New.
1382         * tree-flow.h (tree_check_data_deps): Declare.
1383         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
1384         (OBJS-common): Depend on omega.o.
1385         (omega.o): Define.
1386         * passes.c (pass_check_data_deps): Scheduled.
1387         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
1388         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
1389         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
1390         PARAM_VECT_MAX_VERSION_CHECKS,
1391         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
1392
1393 2007-03-09  Richard Guenther  <rguenther@suse.de>
1394
1395         PR tree-optimization/30904
1396         PR middle-end/31058
1397         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
1398         the same way as *_DIV_EXPR.
1399
1400 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1401
1402         * recog.c (decode_asm_operands): No mixed declarations and code.
1403
1404 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1405
1406         * rtl.def (ASM_INPUT): Add location.
1407         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
1408         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
1409         (decode_asm_operands): Add loc operand.
1410         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
1411         * stmt.c (expand_asm): Rename to...
1412         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
1413         gen_rtx_ASM_INPUT_loc.
1414         (expand_asm_expr): Adjust.
1415         * recog.c (decode_asm_operands): Add loc operand.
1416         (check_asm_operands, extract_insn): Adjust.
1417         * reload1.c (maybe_fix_stack_asms): Likewise.
1418         * final.c (asm_insn_count): Likewise.
1419         (final_scan_insn): Output # line before and after asm.
1420
1421 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
1422
1423         * tree-ssa-structalias.c (variable_info): Remove
1424         finished_solution.
1425         (new_var_info): Ditto.
1426         (shared_bitmap_info_t): New structure.
1427         (shared_bitmap_table): New variable.
1428         (shared_bitmap_hash): New function.
1429         (shared_bitmap_eq): Ditto
1430         (shared_bitmap_lookup): Ditto.
1431         (shared_bitmap_add): Ditto.
1432         (merge_smts_into): Change to take bitmap directly.
1433         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
1434         (init_alias_vars): Init shared bitmap hashtable.
1435         (delete_points_to_sets): Delete shared bitmap hashtable.
1436         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
1437         is_aliased removal as a change that was still necessary was
1438         deleted.
1439
1440 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
1441
1442         * config/i386/i386.h (override_options): Conditionally disable
1443         x86_sahf for 64bit targets only.
1444
1445 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1446
1447         PR C/31072
1448         * c-decl.c (merge_decls): Don't call make_var_volatile.
1449         * varasm.c (make_var_volatile): Remove.
1450         * output.h (make_var_volatile): Remove.
1451
1452 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
1453
1454         PR tree-optimization/31085
1455         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
1456
1457 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1458
1459         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
1460         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
1461         ATTR_CONST_NOTHROW_LIST.
1462
1463         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1464         FIX_TRUNC_EXPR.
1465
1466 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
1467
1468         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
1469
1470 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
1471
1472         PR 31013
1473         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
1474         is declared.
1475         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
1476         passed, use shared libgcc.
1477
1478 2007-03-08  Roger Sayle  <roger@eyesopen.com>
1479
1480         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
1481         instead of calling build2 with a GIMPLE_MODIFY_STMT.
1482         (honor_protect_cleanup_actions, lower_try_finally_switch):
1483         Likewise.
1484         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
1485         ifc_temp_var): Likewise.
1486         * tree-inline.c (setup_one_parameter): Likewise.
1487         * tree-mudflap.c (mf_decl_cache_locals,
1488         mf_build_check_statement_for): Likewise.
1489         * tree-nested.c (init_tmp_var, save_tmp_var,
1490         finalize_nesting_tree_1): Likewise.
1491         * tree-outof-ssa.c (insert_copy_on_edge,
1492         insert_backedge_copies): Likewise.
1493         * tree-profile.c (tree_gen_edge_profiler,
1494         tree_gen_ic_profiler): Likewise.
1495         * tree-scalar-evolution.c (scev_const_prop): Likewise.
1496         * tree-sra.c (sra_build_assignment): Likewise.
1497         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
1498         * tree-ssa-math-opts.c (insert_reciprocals,
1499         execute_cse_sincos_1): Likewise.
1500         * tree-tailcall.c (adjust_accumulator_values,
1501         adjust_return_value): Likewise.
1502         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
1503         * tree-vect-transform.c (vect_create_data_ref_ptr,
1504         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
1505         vect_create_epilog_for_reduction, vectorizable_reduction,
1506         vectorizable_call, vectorizable_conversion,
1507         vectorizable_assignment, vectorizable_operation,
1508         vectorizable_type_demotion, vect_gen_widened_results_half,
1509         vect_permute_store_chain, vectorizable_store,
1510         vect_setup_realignment, vect_permute_load_chain,
1511         vectorizable_load, vectorizable_condition,
1512         vect_create_cond_for_align_checks): Likewise.
1513         * tree-vrp.c (build_assert_expr_for): Likewise.
1514
1515 2007-03-08  Ian Lance Taylor  <iant@google.com>
1516
1517         * tree-vrp.c: Include "intl.h".
1518         (usable_range_p): New static function.
1519         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
1520         overflowed values, juts set *strict_overflow_p.
1521         (compare_values): Only return -2 if one of the operands is not a
1522         constant.
1523         (compare_ranges): Call usable_range_p.
1524         (compare_range_with_value): Likewise.
1525         (vrp_evaluate_conditional_warnv): Rename from
1526         vrp_evaluate_conditional.  Make static.  Change all callers.
1527         (vrp_evaluate_conditional): New function.
1528         (simplify_div_or_mod_using_ranges): Issue warning about reliance
1529         on signed overflow.
1530         (simplify_abs_using_ranges): Likewise.
1531         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
1532         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
1533         within_stmt parameter.
1534         * tree-ssa-propagate.c (fold_predicate_in): Update call to
1535         vrp_evaluate_conditional.
1536         * tree-ssa-threadedge.c
1537         (record_temporary_equivalences_from_stmts_at_dest): Change
1538         simplify parameter to take a second tree parameter.
1539         (simplify_control_stmt_condition): Likewise.
1540         (thread_across_edge): Likewise.
1541         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1542         (thread_across_edge): Likewise.
1543         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
1544
1545 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
1546
1547         * config/i386/i386.h (TARGET_SAHF): New define.
1548         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
1549         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
1550         (x86_sahf): New global variable.
1551         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
1552         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
1553         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
1554         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
1555         for 64-bit.
1556         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
1557         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
1558         when expanding fcomi/sahf based tests.
1559         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
1560         expanding sahf based alternative. Emit sahf based sequence when
1561         optimizing for code size.
1562         * config/i386/i386.md (x86_sahf_1): Do not disable for
1563         TARGET_64BIT, enable for TARGET_SAHF.
1564
1565 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
1566
1567         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
1568         spurious whitespace from error message.
1569
1570 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
1571
1572         PR c++/30852
1573         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1574
1575 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
1576
1577         * c-decl.c (grokdeclarator): Disable warnings for anonymous
1578         bitfields.
1579         * tree-sra.c (instantiate_element): Propagate disabled warnings
1580         from the element itself to the created variable.
1581
1582 2007-03-07  Richard Henderson  <rth@redhat.com>
1583
1584         PR target/30848
1585         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1586         silently fix up the stack in the case of a missing register.
1587
1588 2007-03-07  Paul Brook  <paul@codesourcery.com>
1589
1590         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
1591
1592 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
1593
1594         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
1595         New.
1596         (phase1_vrs): Use them.
1597         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
1598         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
1599         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
1600         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
1601         __gnu_Unwind_Restore_WMMXC if required.
1602         (_Unwind_VRS_Pop): Implement iWMMXt support.
1603         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
1604         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
1605         gnu_Unwind_Save_WMMXC): Define.
1606
1607 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
1608
1609         * config/vxworks.h (vxworks_override_options): Declare.
1610         (VXWORKS_OVERRIDE_OPTIONS): Use it.
1611         * config/vxworks.c: Include target.h and toplev.h.
1612         (vxworks_override_options): New function.
1613         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
1614
1615 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1616
1617         * config/s390/s390.c (override_options): Don't emit an error when
1618         -mstack-size is used without providing -mstack-guard.
1619         (s390_emit_prologue): Choose stack_guard value automatically if not
1620         provided via command line.
1621         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
1622
1623 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
1624
1625         * config/i386/i386.c (output_set_got): Add a GOT initialization
1626         sequence for VxWorks PIC.
1627         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
1628         around labels as well as symbols.  Use gotoff_operand instead
1629         of local_symbolic_operand.
1630         (legitimize_pic_address): Use gotoff_operand instead of
1631         local_symbolic_operand.  Use @GOT accesses for labels as
1632         well as symbols.
1633         (ix86_output_addr_diff_elt): Use PC-relative rather than
1634         GP-relative offsets for VxWorks PIC.
1635         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
1636         no_new_pseudos.  Check whether the returned register is op0.
1637         * config/i386/i386.md (tablejump): Use PC-relative rather than
1638         GP-relative offsets for VxWorks PIC.
1639         * config/i386/predicates.md (gotoff_operand): New predicate.
1640
1641 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1642
1643         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
1644         before defining.
1645         * config/vxworks-dummy.h: New file.
1646         * config/i386/i386.h: Include it.
1647
1648 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
1649
1650         * dwarf2out.c (is_inlined_entry_point): New
1651         (add_high_low_attributes): Emit DW_AT_entry_pc along with
1652         DW_AT_ranges if the first subblock is the entry point.
1653
1654 2007-03-06  David Daney  <ddaney@avtrex.com>
1655
1656         * doc/install.texi (mips-*-*): Change recommended binutils
1657         version.
1658
1659 2007-03-06  Anatoly Sokolov <aesok@post.ru>
1660
1661         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
1662         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
1663         devices.
1664         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1665         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1666
1667 2007-03-06  Jan Hubicka  <jh@suse.cz>
1668
1669         * errors.h (warning, error, fatal, internal_error): Mark as cold.
1670         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
1671         are hot.
1672         (probably_cold_bb_p): Cold functions are cold.
1673         (probably_never_executed_bb_p): Cold functions are cold.
1674         (tree_bb_level_predictions): Predict calls to cold functions as not
1675         taken.
1676         (compute_function_frequency): Check hot/cold attributes.
1677         * function.h (function_frequency): Update comments.
1678         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
1679         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
1680         (c_common_att): Add cold and hot.
1681
1682         * doc/extend.texi (hot,cold attributes): Document.
1683
1684 2007-03-06  Andrew Haley  <aph@redhat.com>
1685
1686         * function.c (expand_function_end): Move blockage to just after we
1687         emit the label for the naked return from the function.
1688
1689 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1690
1691         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
1692         before redefining.
1693
1694 2007-03-06  Jan Hubicka  <jh@suse.cz>
1695
1696         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
1697         loaded for constant large models.  Non-large 64bit PIC can do.
1698         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
1699         * cmodel.h: Add LARGE PIC.
1700         * i386.md (UNSPEC_PLTOFF): New.
1701         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
1702         needed.
1703         (*call_1_rex64): Disable for large models.
1704         (*call_1_rex64_large): New.
1705         (*call_value_1_rex64): Disable for large models.
1706         (*call_value_1_rex64_large): New.
1707         (set_rip_rex4): New.
1708         (set_got_offset_rex64): New.
1709         * predicates.md (constant_call_address_operand): For large model
1710         constant calls are not possible.
1711         * i386-protos.h (construct_plt_address): Declare.
1712         * i386.c (override_options): Accept large models.
1713         (ix86_expand_prologue): Expand large PIC GOT pointer load.
1714         (legitimate_constant_p): Add new UNSPECs.
1715         (legitimate_pic_operand_p): Likewise.
1716         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
1717         (legitimize_pic_address): Do easy RIP relative way for TLS only for
1718         non-large model.
1719         (output_pic_addr_const): Add PLTOFF.
1720         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
1721         (ix86_expand_move): Legitimize pic address when in PIC mode.
1722         (construct_plt_address): New function.
1723         (ix86_expand_call): Offload the address to register and use GOT pointer
1724         for large model.
1725         * invoke.texi (mcmodel=large): Update documentation.
1726
1727 2007-03-06  Richard Henderson  <rth@redhat.com>
1728
1729         * config/i386/i386.c (x86_use_leave, x86_push_memory,
1730         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
1731         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
1732         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
1733         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
1734         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
1735         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
1736         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
1737         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
1738         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1739         x86_partial_reg_dependency, x86_memory_mismatch_stall,
1740         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
1741         x86_sse_partial_reg_dependency, x86_sse_split_regs,
1742         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1743         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
1744         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
1745         x86_schedule, x86_use_bt, x86_pad_returns,
1746         x86_use_xchgb): Merge into ...
1747         (ix86_tune_features): ... here.  New array.
1748         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1749         x86_bswap): Merge into ...
1750         (ix86_arch_features): ... here.  New array.
1751         (x86_3dnow_a): Remove.
1752         (x86_accumulate_outgoing_args): Make static.
1753         (x86_arch_always_fancy_math_387): Make static.
1754         (ix86_tune_mask, ix86_arch_mask): Move ...
1755         (override_options): ... to local variables here.  Apply the
1756         appropriate mask to each element of ix86_arch_features and
1757         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
1758         as were done in the old macros.
1759         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
1760         * config/i386/i386.h (x86_use_leave, x86_push_memory,
1761         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
1762         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
1763         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
1764         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
1765         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
1766         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
1767         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
1768         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
1769         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
1770         x86_partial_reg_dependency, x86_memory_mismatch_stall,
1771         x86_accumulate_outgoing_args, x86_prologue_using_move,
1772         x86_epilogue_using_move, x86_decompose_lea,
1773         x86_arch_always_fancy_math_387, x86_shift1,
1774         x86_sse_partial_reg_dependency, x86_sse_split_regs,
1775         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1776         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
1777         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1778         x86_use_incdec, x86_pad_returns, x86_bswap,
1779         x86_partial_flag_reg_stall): Remove.
1780         (enum ix86_tune_indices): New.
1781         (ix86_tune_features): New.
1782         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
1783         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
1784         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
1785         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
1786         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
1787         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
1788         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
1789         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
1790         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
1791         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
1792         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
1793         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
1794         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
1795         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
1796         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
1797         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
1798         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
1799         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
1800         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
1801         TARGET_EXT_80387_CONSTANTS): Use it.
1802         (enum ix86_arch_indices): New.
1803         (ix86_arch_features): New.
1804         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
1805         TARGET_BSWAP): Use it.
1806         (ix86_tune_mask, ix86_arch_mask): Remove.
1807
1808 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
1809
1810         PR bootstrap/31020
1811         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
1812         Define using $${sysroot_headers_suffix}.
1813         * configure: Regenerate.
1814         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
1815         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
1816         defined.
1817         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
1818         * gcc.c (print_sysroot_headers_suffix): New.
1819         (option_map): Include --print-sysroot-headers-suffix.
1820         (display_help): Mention -print-sysroot-headers-suffix.
1821         (process_command): Handle -print-sysroot-headers-suffix.
1822         (do_spec_1): Append multilib directory to include-fixed path if
1823         sysroot suffixes in use.
1824         (main): Handle -print-sysroot-headers-suffix.
1825         * Makefile.in (start.encap): Don't depend on xlimits.h
1826         (xlimits.h): Remove.
1827         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
1828         limits.h for each multilib in fixinc_list.
1829         (fixinc_list, s-fixinc_list): New.
1830         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
1831         generate them for each multilib in fixinc_list.
1832         (stmp-fixproto): Use include-fixed.  Run fixproto for each
1833         multilib in fixinc_list.
1834         (mostlyclean): Don't remove xlimits.h.
1835         (clean): Remove include-fixed.
1836         (real-install-headers-tar, real-install-headers-cpio,
1837         real-install-headers-cp): Don't copy include, only include-fixed.
1838         (install-mkheaders): Depend on fixinc_list.  Don't depend on
1839         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
1840         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
1841         SYSTEM_HEADER_DIR setting in mkheaders.conf.
1842
1843 2007-03-06  Jan Hubicka  <jh@suse.cz>
1844
1845         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
1846         NANs easilly.
1847
1848 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1849
1850         * configure.ac: Allow tm_file to contain build-directory files.
1851         * configure: Regenerate.
1852         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
1853         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
1854         * config/m68k/print-sysroot-suffix.sh: New file.
1855
1856 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1857
1858         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
1859         of pic_offset_table_rtx if reload_completed.
1860         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
1861         PIC_OFFSET_TABLE_REGNUM.
1862         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
1863         return true.
1864         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
1865         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
1866
1867 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1868
1869         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1870         functions that call eh_return.
1871
1872 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1873
1874         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1875         functions that need a constant pool.
1876
1877 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1878
1879         PR target/28181
1880         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
1881         (m68k_preferred_reload_class): Likewise.
1882         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
1883         (SECONDARY_RELOAD_CLASS): Define.
1884         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
1885         (LIMIT_RELOAD_CLASS): Delete.
1886         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
1887         registers from storing bytes.
1888         (m68k_secondary_reload_class): New function.
1889         (m68k_preferred_reload_class): Likewise.
1890
1891 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1892
1893         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
1894         leaf functions.
1895         (m68k_expand_prologue): Likewise.
1896
1897 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1898
1899         * config/m68k/m68k-protos.h (output_sibcall): Declare.
1900         (mips_expand_epilogue): Add a bool parameter.
1901         (m68k_legitimize_sibcall_address): Declare.
1902         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
1903         (m68k_expand_epilogue): Add a parameter to select between sibling
1904         and normal epilogues.  Only generate a return for the latter.
1905         (m68k_ok_for_sibcall_p): New function.
1906         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
1907         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
1908         (sibcall_value, *sibcall_value): Likewise.
1909         (*call, *call_value): Require !SIBLING_CALL_P.
1910         (epilogue): Update call to m68k_expand_epilogue.
1911         (sibcall_epilogue): New pattern.
1912         * config/m68k/predicates.md (const_call_operand): Say that this
1913         predicate applies to sibling calls too.
1914         (sibcall_operand): New predicate.
1915
1916 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1917
1918         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
1919         alternatives as movsi_cf.
1920         (movsf_cf_hard): Add commentary.
1921
1922 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
1923             Richard Sandiford  <richard@codesourcery.com>
1924
1925         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
1926         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
1927         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
1928         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
1929         as being live on exit from an interrupt function.
1930         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
1931         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
1932         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
1933         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
1934         (m68k_interrupt_function_p): Globalize.
1935         (m68k_compute_frame_layout): Remove reverse mask code.
1936         (m68k_emit_movem, m68k_set_frame_related): New functions.
1937         (m68k_output_function_prologue): Delete in favor of...
1938         (m68k_expand_prologue): ...this new function.
1939         (m68k_output_function_epilogue): Delete in favor of...
1940         (m68k_expand_epilogue): ...this new function.
1941         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
1942         functions.
1943         (print_operand): Handle %?.
1944         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
1945         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
1946         (prologue, epilogue): New patterns.
1947         (return): Turn into a define_expand.
1948         (*return): New pattern, derived from old "return" pattern.  Use rte
1949         rather than rts for interrupt functions.  Only use rtd if the pop
1950         count is nonzero.
1951         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
1952         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
1953         (link, *link, unlink, *unlink, load_got): Likewise.
1954
1955 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1956
1957         PR target/23482
1958         PR target/17114
1959         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
1960         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
1961         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
1962         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
1963         and m68k_matches_u_p.
1964         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
1965         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
1966         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
1967         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
1968         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
1969         (REG_STRICT_P): New macro.
1970         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
1971         PCREL_GENERAL_OPERAND_OK.
1972         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
1973         m68k_legitimate_base_reg_p.
1974         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
1975         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
1976         (PIC_CASE_VECTOR_ADDRESS): Update comment.
1977         * config/m68k/m68k.c (m68k_address): New structure.
1978         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
1979         (m68k_decompose_index, m68k_legitimate_constant_address_p)
1980         (m68k_jump_table_ref_p, m68k_decompose_address)
1981         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
1982         (m68k_matches_u_p): New functions.
1983         (print_operand_address): Rewrite to use m68k_decompose_index.
1984
1985 2007-03-05  David Taylor  <dtaylor@emc.com>
1986
1987         * gcc.c: Correct copyright date in --version output.
1988
1989 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1990
1991         * pa.md: In unamed move patterns, disparge copies between general
1992         and floating point registers using '?' modifier.  Don't include 'f'
1993         constraint for register preferences in DImode, SImode, HImode and
1994         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
1995         Remove constraints for copies between general and floating registers
1996         in soft-float DFmode pattern.
1997         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
1998         floating register.
1999         (movsf): Likewise.
2000
2001 2007-03-05  Mike Stump  <mrs@apple.com>
2002
2003         * c-common.c (targetcm): Add.
2004         * c-opts.c (c_common_handle_option): Handle language specific
2005         target options.
2006         * opts.c (handle_option): Verify language for target options, if
2007         any are given.
2008         * opth-gen.awk: Add CL_LANG_ALL.
2009         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
2010         (TARGETCM_INITIALIZER): Add.
2011         * target.h (struct gcc_targetcm): Add.
2012         (targetcm): Add.
2013         * targhooks.c (default_handle_c_option): Add.
2014         * targhooks.h (default_handle_c_option): Add.
2015         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
2016
2017         * config/darwin.opt (iframework): Add.
2018         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
2019         * config/darwin-c.c (handle_c_option): Add.
2020         (TARGET_HANDLE_C_OPTION): Add.
2021         (targetcm): Add.
2022         * doc/invoke.texi (Darwin Options): Add -iframework.
2023
2024 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2025
2026         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
2027         conversion.
2028
2029 2007-03-05  Ian Lance Taylor  <iant@google.com>
2030
2031         * c.opt (fgnu89-inline): New option.
2032         * c-opts.c (c_common_post_options): Set default value for
2033         flag_gnu89_inline.
2034         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
2035         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
2036         inline functions.
2037         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
2038         (grokdeclarator, start_function): Likewise.
2039         * c-cppbuiltin.c (c_cpp_builtins): Define either
2040         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
2041         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
2042         (C Dialect Options): Document -fgnu89-inline.
2043         * doc/extend.texi (Function Attributes): Explain what the
2044         gnu_inline attribute does.
2045         * doc/cpp.texi (Common Predefined Macros): Document
2046         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2047
2048 2007-03-05  Ian Lance Taylor  <iant@google.com>
2049
2050         PR tree-optimization/31034
2051         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
2052         half-range if the other side is an overflow infinity.
2053
2054 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2055
2056         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
2057         (bfin*-linux-uclibc*): New configuration.
2058         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
2059         defining.
2060         * config/bfin/linux.h: New file.
2061         * config/bfin/libgcc-bfin.ver: New file.
2062         * config/bfin/t-bfin-uclinux: New file.
2063         * config/bfin/t-bfin-linux: New file.
2064         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
2065         (TARGET_OS_CPP_BUILTINS): New macro.
2066
2067 2007-03-05  Richard Guenther  <rguenther@suse.de>
2068
2069         * fold-const.c (fold_binary): Remove duplicate folding
2070         of comparison of non-null ADDR_EXPR against null.
2071
2072 2007-03-05  Richard Guenther  <rguenther@suse.de>
2073             Dorit Nuzman  <dorit@il.ibm.com>
2074
2075         PR tree-optimization/26420
2076         * tree-vectorizer.c (vectorize_loops): Bail out early if there
2077         are no loops in the function.  Only print the number of
2078         vectorized loops if it is greater than zero or we are supposed
2079         to print information about unvectorized loops.
2080
2081 2007-03-05  Revital Eres  <eres@il.ibm.com>
2082
2083         * gcc.dg/var-expand1.c: New test.
2084         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
2085         when an accumulator is expanded.
2086
2087 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2088
2089         PR other/30465
2090         * c-common.c (convert_and_check): Don't give warnings for
2091         conversion if 'expr' already overflowed.
2092
2093 2007-03-04  Roger Sayle  <roger@eyesopen.com>
2094
2095         PR middle-end/30744
2096         * fold-const.c (fold_comparison): Enforce type consistency when
2097         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
2098
2099 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
2100
2101         * tree-ssa-address.c (create_mem_ref): Do not put an expression
2102         containing a cast to the base of TARGET_MEM_REF.
2103
2104 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
2105
2106         * tree.c (tree_contains_struct_check_failed): Remove spurious
2107         whitespace from error message.
2108
2109 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
2110
2111         PR target/30406
2112         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
2113         instead of precision.
2114
2115 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
2116             Nathan Sidwell  <nathan@codesourcery.com>
2117
2118         * emit-rtl.c (find_auto_inc): New.
2119         (try_split): recreate REG_INC notes,
2120         Use regular for loops rather than whiles.
2121
2122 2007-03-03  Andreas Schwab  <schwab@suse.de>
2123
2124         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
2125         * configure: Regenerate.
2126
2127 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2128
2129         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
2130         flag_rounding_math, not flag_unsafe_math_optimizations.
2131
2132         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
2133         fold_build2.
2134         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
2135         alpha_fold_vector_minmax): Likewise.
2136         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2137         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
2138
2139 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2140
2141         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
2142         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
2143         if the lhs has side-effects.
2144         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
2145
2146 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2147
2148         * config/i386/i386.h (TUNEMASK): Remove define.
2149         (ARCHMASK): Remove define.
2150         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
2151          Use ix86_arch_mask variable instead of ARCHMASK.
2152         * config/i386/i386.c (override_options): Ditto.
2153         (standard_80387_constant_p): Ditto.
2154
2155 2007-03-02  Ian Lance Taylor  <iant@google.com>
2156
2157         Used signed infinities in VRP.
2158         * tree-vrp.c (uses_overflow_infinity): New static function.
2159         (supports_overflow_infinity): New static function.
2160         (make_overflow_infinity): New static function.
2161         (negative_overflow_infinity): New static function.
2162         (positive_overflow_infinity): New static function.
2163         (is_negative_overflow_infinity): New static function.
2164         (is_positive_overflow_infinity): New static function.
2165         (is_overflow_infinity): New static function.
2166         (overflow_infinity_range_p): New static function.
2167         (compare_values_warnv): New function split out of compare_values.
2168         (compare_value): Call it.
2169         (set_value_range_to_nonnegative): Add overflow_infinity
2170         parameter.  Change caller.
2171         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
2172         Change callers.
2173         (vrp_expr_computes_nonzero): Likewise.
2174         (compare_ranges, compare_range_with_value): Likewise.
2175         (compare_name_with_value, compare_names): Likewise.
2176         (vrp_evaluate_conditional): Likewise.
2177         (set_value_range): Handle infinity
2178         (vrp_operand_equal_p, operand_less_p): Likewise.
2179         (extract_range_from_assert): Likewise.
2180         (vrp_int_const_binop): Likewise.
2181         (extract_range_from_binary_expr): Likewise.
2182         (extract_range_from_unary_expr): Likewise.
2183         (extract_range_from_comparison): Likewise.
2184         (extract_range_from_expr): Likewise.
2185         (dump_value_range): Likewise.
2186         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
2187         (test_for_singularity): Likewise.
2188         (vrp_int_const_binop): Remove inline qualifier.
2189         (adjust_range_with_scev): Add comment.
2190         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2191
2192 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
2193
2194         * tree-ssa-structalias.c (could_have_pointers): Tidy.
2195         (get_constraint_for): Likewise.
2196         (do_structure_copy): Likewise.
2197         (find_func_aliases): Fix references to MODIFY_EXPR.
2198         (intra_create_variable_infos): Tidy.
2199         * tree-ssa-operands.c (add_virtual_operand): Add argument
2200         IS_CALL_SITE.
2201         When adding members of alias sets, if IS_CALL_SITE is true and
2202         the symbol is not call-clobbered, skip it.
2203         Adjust all callers.
2204
2205 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2206
2207         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
2208         entry by means of emit_insn_at_entry.
2209
2210 2007-03-02  Richard Henderson  <rth@redhat.com>
2211
2212         * expr.h (promoted_input_arg): Remove decl.
2213         * function.c (promoted_input_arg): Merge into ...
2214         * combine.c (setup_incoming_promotions): ... only caller.
2215         Rearrange to avoid double loop.
2216
2217 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2218             Peter Bergner  <bergner@vnet.ibm.com>
2219             Janis Johnson  <janis187@us.ibm.com>
2220
2221         * config/rs6000/dfp.md: New file.
2222         * config/rs6000/rs6000.md: Include dfp.md.
2223         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
2224         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
2225         and TDmode decimal float modes in FP registers.
2226         (num_insns_constant): Likewise.
2227         (rs6000_legitimate_offset_address_p): Likewise.
2228         (rs6000_legitimize_address): Likewise.
2229         (rs6000_legitimize_reload_address): Likewise.
2230         (rs6000_legitimate_address): Likewise.
2231         (rs6000_emit_move): Likewise.
2232         (function_arg_boundary): Likewise.
2233         (function_arg_advance): Likewise.
2234         (rs6000_darwin64_record_arg_recurse): Likewise.
2235         (function_arg): Likewise.
2236         (rs6000_gimplify_va_arg): Likewise.
2237         (rs6000_split_multireg_move): Likewise.
2238         (rs6000_output_function_epilogue): Likewise.
2239         (rs6000_output_function_epilogue): Likewise.
2240         (rs6000_register_move_cost): Likewise.
2241         (rs6000_function_value): Likewise.
2242         (rs6000_libcall_value): Likewise.
2243
2244 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2245
2246         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
2247
2248 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2249
2250         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
2251         Use $MULTIDIR to choose between the kernel and RTP headers,
2252         and use $WIND_BASE and $WIND_USR to locate them.
2253
2254 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2255
2256         * config/i386/i386.c (override_options): Put initialization of
2257         ix86_tune_mask and ix86_arch_mask to the correct place.
2258
2259 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2260             Michael Meissner  <michael.meissner@amd.com>
2261
2262         PR target/31019
2263         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
2264         (ARCHMASK): Define.
2265         (TARGET_CMOVE): Use ARCHMASK.
2266         (TARGET_CMPXCHG): Ditto.
2267         (TARGET_CMPXCHG8B): Ditto.
2268         (TARGET_XADD): Ditto.
2269         (TARGET_BSWAP): Ditto.
2270         * config/i386/i386.c (ix86_tune_mask): New global variable.
2271         (ix86_arch_mask): Ditto.
2272         (override_options): Initialize ix86_tune_mask and
2273         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
2274         target_flags.
2275
2276 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2277
2278         PR 30992
2279         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
2280
2281 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
2282
2283         * target.h (init_dwarf_reg_sizes_extra): New target hook.
2284         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
2285         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
2286         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
2287         hook.
2288         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
2289         rs6000_init_dwarf_reg_sizes_extra): New.
2290         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
2291         SPE register high parts.
2292
2293 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
2294
2295         * Makefile.in: Add install-pdf target as
2296         copied from automake v1.10 rules.
2297         * configure.ac: Add install-pdf to target list.
2298         * configure: Regenerate.
2299
2300 2007-03-01  Paul Brook  <paul@codesourcery.com>
2301
2302         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
2303         modes to LDRD for DImode.
2304         (output_move_double): Fixup out of range ldrd/strd.
2305         (vfp_secondary_reload_class): Rename...
2306         (coproc_secondary_reload_class): ... to this.  Add wb argument.
2307         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
2308         coproc_secondary_reload_class for CLASS_IWMMXT.
2309         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
2310         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
2311
2312 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2313
2314         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
2315         factor by the estimated number of iterations.
2316         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
2317         prefetch latency.
2318
2319         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
2320         decode_caches_intel, detect_caches_intel): New functions.
2321         (host_detect_local_cpu): Use detect_caches_amd and
2322         detect_caches_intel.
2323
2324 2007-03-01  Richard Henderson  <rth@redhat.com>
2325
2326         * expr.c (emit_move_complex_push): Export.
2327         (emit_move_complex_parts): Split out from ...
2328         (emit_move_complex): ... here.
2329         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
2330         * config/i386/i386.md (movcdi): New.
2331
2332 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
2333
2334         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
2335         size of mode1 to check for tieable modes in MMX case.
2336
2337 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
2338
2339         * Makefile.in (rtlanal.o): Depend on tree.h.
2340         * rtl.h (offset_within_section_p, split_const): Declare.
2341         * rtlanal.c: Include tree.h.
2342         (offset_within_block_p): New function, taken from
2343         mips_offset_within_object_p.
2344         (split_const): New function, taken from mips_split_const.
2345         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
2346         Declare.
2347         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
2348         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
2349         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
2350         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2351         (m68k_illegitimate_symbolic_constant_p): New function.
2352         * config/m68k/m68k.md (movsi): Remove misleading predicates.
2353         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
2354         symbolic constant that might be outside the symbol's section,
2355         move the symbol first and then add the offset.
2356         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
2357         Override.
2358         * config/mips/mips.c (mips_split_const): Delete.
2359         (mips_offset_within_object_p): Delete.
2360         (mips_symbolic_constant_p): Use offset_within_section_p and
2361         split_const instead of mips_offset_within_object_p and
2362         mips_split_const.
2363         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
2364         (mips_legitimize_const_move, print_operand_reloc)
2365         (mips_dangerous_for_la25_p): Use split_const instead of
2366         mips_split_const.
2367
2368 2007-02-28  Eric Christopher  <echristo@apple.com>
2369
2370         * Makefile.in (install-include-dir): Don't rm -rf include.
2371
2372 2007-02-28  Richard Guenther  <rguenther@suse.de>
2373
2374         PR middle-end/30364
2375         * fold-const.c (fold_binary): Do not associate expressions
2376         with more than one variable for integer types that do not wrap.
2377
2378 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
2379
2380         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
2381         Delete, and replace with...
2382         (fold_builtin_call_array): This.  Update callers to use it.
2383         * fold-const.c (fold_build_call_list): Delete, and replace with...
2384         (fold_build_call_array): This.
2385         (fold_build_call_list_initializer): Delete, and replace with...
2386         (fold_build_call_array_initializer): This.
2387         * tree.h: Update declarations to reflect above changes.
2388
2389         * c-typeck.c (build_function_call): Store converted arguments
2390         in a stack-allocated array instead of building a list.
2391         (convert_arguments): Store arguments in the array passed in as an
2392         argument, and return the actual number of arguments.
2393         * c-format.c: (check_function_format): Pass arguments in an
2394         array instead of a list.
2395         * c-common.c (check_function_nonnull): Likewise.
2396         (check_function_sentinel): Likewise.
2397         (check_function_arguments): Likewise.
2398         * c-common.h: Update declarations to reflect above changes.
2399
2400 2007-02-28  Jan Hubicka  <jh@suse.cz>
2401
2402         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
2403         PRED_NEGATIVE_RETURN): Update outcomes.
2404
2405 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2406
2407         * calls.c (emit_library_call_value_1): Handle partial registers
2408         correctly when building up CALL_INSN_FUNCTION_USAGE.
2409
2410 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2411
2412         * pa/predicates.md (move_src_operand): Allow zero for mode.
2413         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
2414         move pattern.
2415
2416 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
2417
2418         PR target/30970
2419         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
2420         *movv2df_internal): Enable pattern only for valid operand
2421         combinations.
2422         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
2423         tie only 128bit modes. For MMX registers, tie only 64bit modes.
2424
2425 2007-02-27  Mike Stump  <mrs@apple.com>
2426
2427         * config/darwin-crt3.c: Avoid compilation when compiling for a
2428         kext multilib.
2429
2430 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
2431
2432         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
2433         FIXED_INCLUDE_DIR.
2434         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
2435         for fixed headers and limits.h.
2436         (install-include-dir, install-headers-tar, install-headers-cpio,
2437         install-headers-cp, real-install-headers-tar,
2438         real-install-headers-cpio, real-install-headers-cp): Handle
2439         include-fixed as well as include.
2440         (install-mkheaders): Don't install files that go only in include
2441         not include-fixed.
2442         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
2443         from GCC_INCLUDE_DIR.
2444         * gcc.c (process_command): Remove special -BstageN/ handling.
2445         (do_spec_1): Add include-fixed directories.
2446
2447 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2448
2449         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
2450         _smulsi3_highpart.
2451         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
2452         New functions.
2453         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
2454         patterns.
2455
2456 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
2457
2458         * c-common.c (get_priority): Add check for
2459         SUPPORTS_INIT_PRIORITY.
2460
2461 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2462
2463         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
2464
2465         * config/bfin/bfin.c: Include "cfglayout.h".
2466         (MAX_LSETUP_DISTANCE): New macro.
2467         (struct loop_info): New members incoming, incoming_src and
2468         incoming_dest.  Delete member predecessor.
2469         (length_for_loop): New function.
2470         (bfin_optimize_loop): Handle more different loop structures.
2471         (bfin_discover_loop): Rework detection of predecessor blocks by
2472         examining incoming edges.
2473         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
2474         bfin_reorg_loops.
2475         (bfin_reorder_loops): New function.
2476         (bfin_reorg_loops): Use these three new functions.
2477
2478         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
2479         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
2480         (CONSTRAINT_LEN): Add entry for 'q'.
2481         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
2482         Add 'q' constraints.
2483         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
2484         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
2485
2486         * config/bfin/bfin.md (add_with_carry): New pattern.
2487         (s_or_u, su_optab, su_modifier): New code macros/attrs.
2488         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
2489         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
2490         support unsigned multiplies too.  Removed incorrect commutativity from
2491         operand 1 constraint where appropriate.
2492         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
2493         patterns.
2494         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
2495         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
2496         New patterns.
2497         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
2498         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
2499         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
2500         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
2501         usmulhisi_hh_huh): New patterns.
2502
2503         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2504         lshifthi3): Fix output template to use half reg for operand 2.
2505
2506         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
2507         instead of R2.
2508
2509         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
2510
2511 2007-02-27  Andreas Schwab  <schwab@suse.de>
2512
2513         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
2514
2515 2007-02-27  Jan Hubicka  <jh@suse.cz>
2516
2517         * predict.c (last_basic_block_p): Remove.
2518         (tree_estimate_probability): Update return heuristic for commonized
2519         return blocks.
2520
2521 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2522
2523         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
2524
2525 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2526
2527         * doc/include/gcc-common.texi (versionsubtitle): New macro.
2528         * doc/cpp.texi: Standardize title page.
2529         * doc/cppinternals.texi: Likewise.
2530         * doc/gcc.texi: Standardize title page, remove version number
2531         from copyright page.
2532         * doc/gccint.texi: Likewise.
2533         * doc/install.texi: Standardize title page, add table of
2534         contents.
2535
2536 2007-02-26  Jan Hubicka  <jh@suse.cz>
2537
2538         * predict.def: Set outcomes according to more recent results.
2539         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
2540         Remove dead predictors.
2541         * predict.c (return_prediction): Fix pasto.
2542
2543 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2544
2545         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
2546         change; avoid a memory leak when returning early.
2547
2548 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
2549
2550         * c-decl.c (static_ctors): Move to c-common.c.
2551         (static_dtors): Likewise.
2552         (finish_function): Use c_record_cdtor_fn.
2553         (build_cdtor): Move to c-common.c.
2554         (c_write_global_declarations): Use c_build_cdtor_fns.
2555         * c-common.h (static_ctors): Declare.
2556         (static_dtors): Likewise.
2557         (c_record_cdtor_fn): Likewise.
2558         (c_build_cdtor_fns): Likewise.
2559         * c-common.c (static_ctors): New variable.
2560         (static_dtors): Likewise.
2561         (c_record_cdtor_fn): New function.
2562         (build_cdtor): Move from c-decl.c
2563         (c_build_cdtor_fns): New function.
2564
2565         * output.h (assemble_addr_to_section): Declare.
2566         (get_cdtor_priority_section): Likewise.
2567         * varasm.c (assemble_addr_to_section): New function.
2568         (get_cdtor_priority_section): Likewise.
2569         (default_named_section_asm_out_destructor): Use them.
2570         (destor_dtor_section_asm_out_destructor): Likewise.
2571         (default_named_section_asm_out_constructor): Likewise.
2572         (default_ctor_section_asm_out_constructor): Likewise.
2573         * config.gcc (*-*-vxworks*): Include vxworks.o.
2574         * config/t-vxworks (vxworks.o): New target.
2575         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
2576         (TARGET_ASM_CONSTRUCTOR): Define.
2577         (TARGET_ASM_DESTRUCTOR): Likewise.
2578         (vxworks_asm_out_constructor): Declare.
2579         (vxworks_asm_out_destructor): Likewise.
2580
2581         * c-common.c (get_priority): Check that we have not just an
2582         INTEGER_CST, but an integer constant with integeral type.
2583
2584 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
2585
2586         PR tree-optimization/30938
2587         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
2588         use &dt[nargs-1] instead of &dt[nargs] in the call to
2589         vect_is_simple_use().
2590
2591 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
2592
2593         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
2594         from register elimination as PRE_MODIFY / POST_MODIFY increments.
2595         Do not attempt to handle MEM inside auto-inc expressions.
2596         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
2597         of a register modified by an auto-inc expression.  However, do handle
2598         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
2599         (elimination_effects): Prohibit elimination of a register modified
2600         by an auto-inc expression.  Disable register elimination rules whose
2601         target register is modified by an auto-inc expression with variable
2602         increment.
2603
2604 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2605
2606         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
2607         off-by-one error.
2608         (array_at_struct_end_p): New function.
2609         (idx_infer_loop_bounds): Use it.
2610         (estimate_numbers_of_iterations_loop): Export.
2611         * predict.c (predict_loops): Use estimated_loop_iterations_int.
2612         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
2613         (tree_estimate_probability): Call record_loop_exits.
2614         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
2615         (estimated_loop_iterations, estimated_loop_iterations_int,
2616         estimated_loop_iterations_tree): New functions.
2617         (analyze_siv_subscript_cst_affine,
2618         compute_overlap_steps_for_affine_1_2,
2619         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
2620         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
2621         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
2622         (PRED_LOOP_ITERATIONS_GUESSED): New.
2623         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
2624         * cfgloop.h (estimate_numbers_of_iterations_loop,
2625         estimated_loop_iterations_int): Declare.
2626
2627 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
2628
2629         * doc/extend.texi: Document optional priority argument to
2630         constructors and destructors.
2631         * tree.c (init_priority_for_decl): Adjust GTY markers.
2632         (init_ttree): Use priority-info hash functions for
2633         init_priority_for_decl.
2634         (tree_map_eq): Rename to ...
2635         (tree_map_base_eq): ... this.
2636         (tree_map_marked_p): Rename to ...
2637         (tree_map_base_marked_p): ... this.
2638         (tree_map_base_hash): New function.
2639         (decl_init_priority_lookup): Rework.
2640         (decl_fini_priority_lookup): New function.
2641         (decl_priority_info): New function.
2642         (decl_init_priority_insert): Use it.
2643         (decl_fini_priority_insert): Likewise.
2644         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
2645         hierarchy.
2646         (decl_restrict_base_insert): Likewise.
2647         (decl_debug_expr_insert): Likewise.
2648         (decl_value_expr_lookup): Likewise.
2649         (decl_value_expr_insert): Likewise.
2650         * tree.h (priority_type): New type.
2651         (decl_init_priority_lookup): Use priority_type.
2652         (decl_fini_priority_lookup): New function.
2653         (decl_init_priority_insert): Use priority_type.
2654         (decl_fini_priority_insert): New function.
2655         (DECL_HAS_INIT_PRIORITY): Tweak comments.
2656         (DECL_INIT_PRIORITY): Likewise.
2657         (SET_DECL_INIT_PRIORITY): Add comment.
2658         (DECL_FINI_PRIORITY): New macro.
2659         (SET_DECL_FINI_PRIORITY): Likewise.
2660         (DEFAULT_INIT_PRIORITY): Document.
2661         (MAX_INIT_PRIORITY): Likewise.
2662         (MAX_RESERVED_INIT_PRIORITY): Likewise.
2663         (tree_map_base): New type.
2664         (tree_map_base_eq): New function.
2665         (tree_map_base_hash): Likewise.
2666         (tree_map_base_marked_p): Likewise.
2667         (tree_map): Inherit from tree_map_base.
2668         (tree_map_eq): Make it a macro.
2669         (tree_map_marked_p): Likewise.
2670         (tree_int_map): Inherit from tree_map_base.
2671         (tree_int_map_eq): Make it a macro.
2672         (tree_int_map_hash): Likewise.
2673         (tree_int_map_marked_p): Likewise.
2674         (tree_priority_map): New type.
2675         (tree_priority_map_eq): New macro.
2676         (tree_priority_map_hash): Likewise.
2677         (tree_priority_map_marked_p): Likewise.
2678         * varasm.c (emults_decl): Adjust for refactoring of tree_map
2679         hierarchy.
2680         (emutls_common_1): Likewise.
2681         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
2682         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
2683         of tree_map hierarchy.
2684         * tree-cfg.c (move_stmt_r): Likewise.
2685         (new_label_mapper): Likewise.
2686         * c-tree.h (c_expand_body): Move to ...
2687         * c-common.h (c_expand_body): ... here.
2688         * c-decl.c (c_expand_body): Move to ...
2689         * c-common.c (c_expand_body): ... here.
2690         (c_common_attribute_table): Allow 1 argument for the constructor
2691         and destructor attributes.
2692         (get_priority): New function.
2693         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
2694         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
2695
2696 2007-02-24  Jan Hubicka  <jh@suse.cz>
2697
2698         PR middle-end/30509
2699         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
2700
2701 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
2702             Jan Hubicka  <jh@suse.cz>
2703
2704         PR target/30778
2705         * i386.c (counter_mode): New function.
2706         (expand_set_or_movmem_via_loop): Use it.
2707         (expand_movmem_epilogue): Likewise; fix pasto.
2708         (ix86_expand_movmem): Do emit guard even for constant counts.
2709         (ix86_expand_setmem): Likewise.
2710
2711 2007-02-25  Nick Clifton  <nickc@redhat.com>
2712
2713         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
2714         (JUMP_TABLES_IN_TEXT_SECTION): Define.
2715
2716 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
2717
2718         PR target/30770
2719         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
2720         count argument with 0x10, not with 0x16.
2721         (expand_setmem_epilogue): Ditto.
2722
2723 2007-02-24  Mike Stump  <mrs@apple.com>
2724
2725         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
2726         symbols.
2727
2728 2007-02-24  Richard Guenther  <rguenther@suse.de>
2729
2730         PR middle-end/30951
2731         * fold-const.c (fold_binary): Fold x +- CST op x for
2732         EQ_EXPR and NE_EXPR.
2733
2734 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2735
2736         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
2737
2738 2007-02-24  Jan Hubicka  <jh@suse.cz>
2739
2740         * cgraphunit.c (decide_is_function_needed): Honor
2741         -fkeep-inline-functions.
2742
2743 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2744
2745         * builtins.c (fold_builtin_modf): New.
2746         (fold_builtin_2): Use it.
2747
2748 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2749
2750         * loop-iv.c (implies_p): Detect additional cases where A implies B.
2751         (determine_max_iter): Take additional LOOP arg; all callers changed.
2752         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
2753         one using simplifications.
2754         (simplify_using_initial_values): Return if the expression becomes
2755         invalid due to altered regs.
2756
2757 2007-02-23  DJ Delorie  <dj@redhat.com>
2758
2759         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
2760
2761 2007-02-23  Mike Stump  <mrs@apple.com>
2762
2763         * tlink.c (scan_linker_output): Parse linker messages from
2764         darwin9's linker better.
2765
2766 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
2767
2768         PR debug/29614
2769         * varpool.c (varpool_assemble_pending_decls):  Set
2770         varpool_last_needed_node to null.
2771
2772 2007-02-23  DJ Delorie  <dj@redhat.com>
2773
2774         * config/i386/i386.c (ix86_data_alignment): Don't specify an
2775         alignment bigger than the object file can handle.
2776
2777 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
2778
2779         PR target/30825
2780         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
2781         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
2782         (*movsf_1): Penalize MMX moves.
2783
2784 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2785
2786         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
2787         2^32-1 or more times unless flag_unsafe_loop_optimizations.
2788
2789         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
2790
2791 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2792
2793         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
2794         (fold_builtin_1): Use them.
2795         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2796         BUILT_IN_SIGNIFICAND.
2797
2798 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
2799
2800         * config/i386/i386.c (bdesc_1arg): Initialize
2801         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
2802         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
2803         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
2804         and IX86_BUILTIN_MOVSLDUP.
2805
2806 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
2807
2808         PR rtl-optimization/30841
2809         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
2810
2811 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2812
2813         * builtins.c (fold_builtin_frexp): New.
2814         (fold_builtin_2): Use it.
2815
2816 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
2817
2818         * doc/invoke.texi (Spec Files): Document getenv spec function.
2819
2820         * gcc.c (getenv_spec_function): New function.
2821         (static_spec_functions): Add it.
2822         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
2823         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
2824         header files.
2825
2826 2007-02-22  Michael Matz  <matz@suse.de
2827
2828         PR c++/29433
2829         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
2830         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
2831
2832 2007-02-22  Ian Lance Taylor  <iant@google.com>
2833
2834         PR debug/30898
2835         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
2836         (mem_loc_descriptor): Call it.
2837
2838 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
2839             Ira Rosen  <irar@il.ibm.com>
2840
2841         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
2842
2843 2007-02-22  Ira Rosen  <irar@il.ibm.com>
2844
2845         PR tree-optimization/30843
2846         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
2847         stores only after all the group is vectorized.
2848
2849 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
2850
2851         PR tree-optimization/30858
2852         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
2853         in the reduction cycle have a single use in the loop.
2854         * tree-vectorizer.h (relevant): Add documentation.
2855
2856 2007-02-20  Mike Stump  <mrs@apple.com>
2857
2858         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
2859         * configure: Regenerate.
2860
2861 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2862
2863         Change the defaults of some parameters and options.
2864         * config/spu/spu-protos.h (spu_optimization_options): Declare.
2865         * config/spu/spu.c (spu_optimization_options): Add.
2866         (spu_override_options): Change params in spu_optimization_options.
2867         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
2868
2869         Register 127 is only 16 byte aligned when used as a frame pointer.
2870         * config/spu/spu-protos.h (spu_init_expanders): Declare.
2871         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
2872         HARD_FRAME_POINTER_REGNUM.
2873         (spu_legitimate_address):  Use regno_aligned_for_reload.
2874         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
2875         aligned when frame_pointer_needed is true.
2876         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
2877         to 8 bits.
2878         * config/spu/spu.h (INIT_EXPANDERS): Define.
2879
2880         Make sure shift and rotate instructions have valid immediate operands.
2881         * config/spu/predicates.md (spu_shift_operand): Remove.
2882         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
2883         * config/spu/constraints.md (W, O): Extend range.
2884         * config/spu/spu.md (umask, nmask): Define.
2885         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
2886         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
2887         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
2888         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
2889         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
2890         (lshr<mode>3_reg):  Fix rtl description.
2891
2892         Make sure mulhisi immediate operands are valid.
2893         * config/spu/predicates.md (imm_K_operand): Add.
2894         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
2895
2896         Generate constants using fsmbi and andi.
2897         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
2898         (print_operand, spu_split_immediate, classify_immediate,
2899         fsmbi_const_p): Handle IC_FSMBI2.
2900
2901         Correctly handle a CONST_VECTOR containing symbols.
2902         * config/spu/spu.c (print_operand): Handle HIGH correctly.
2903         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
2904         (immediate_load_p): Allow symbols that use 2 instructions to create.
2905         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
2906         with symbols when flag_pic is set.
2907         (const_vector_immediate_p): New.
2908         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
2909         accept a CONST_VECTOR with symbols.
2910         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
2911         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
2912         correctly.
2913         * config/spu/spu.md (high, low): Delete.
2914         (low_<mode>): Define.
2915
2916         Remove INTRmode and INTR_REGNUM, which didn't work.
2917         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
2918         of INTR_REGNUM.
2919         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
2920         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
2921         peephole2 pattern): Don't use INTR or 131.
2922         (movintrcc): Delete.
2923         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
2924         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
2925         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
2926         (UNSPEC_SET_INTR): Add.
2927         * config/spu/spu-modes.def (INTR): Remove.
2928
2929         More accurate warnings about run-time relocations.
2930         * config/spu/spu.c (reloc_diagnostic): Test in_section.
2931
2932         Correctly warn about immediate arguments to specific intrinsics.
2933         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
2934         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
2935         the instruction predicate.
2936
2937         Fix tree check errors with latest update.
2938         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
2939         CALL_EXPR_ARG.
2940         (spu_expand_builtin): Use CALL_EXPR_FN.
2941
2942         Add missing specific intrinsics.
2943         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
2944         si_bislede.
2945         * config/spu/spu_internals.h: Ditto.
2946
2947         Fix incorrect operand modifiers.
2948         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
2949         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
2950
2951         Optimize one case of zero_extend of a vec_select.
2952         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
2953
2954         Accept any immediate for hbr.
2955         * config/spu/spu.md (hbr):  Change s constraints to i.
2956
2957 2007-02-21  Paul Brook  <paul@codesourcery.com>
2958
2959         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
2960         condexec_count when skipping USE and CLOBBER.
2961
2962 2007-02-21  Nick Clifton  <nickc@redhat.com>
2963
2964         * common.opt (Warray-bounds): Add Warning attribute.
2965         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
2966         Likewise.
2967         (fsized-zeroes): Add Optimization attribute.
2968         (fsplit-wide-types, ftree-scev-cprop): Likewise.
2969         * c.opt (Wc++0x-compat): Add Warning attribute.
2970
2971 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
2972
2973         PR middle-end/30761
2974         * reload1.c (eliminate_regs_in_insn): In the single_set special
2975         case, attempt to re-recognize the insn before falling back to
2976         having reload fix it up.
2977
2978 2007-02-20  Eric Christopher  <echristo@gmail.com>
2979
2980         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
2981         Rewrite accordingly.
2982         (frv_read_iacc_argument): Ditto.
2983         (frv_expand_set_builtin): Take a call instead of arglist, update for
2984         above changes.
2985         (frv_expand_unop_builtin): Ditto.
2986         (frv_expand_binop_builtin): Ditto.
2987         (frv_expand_cut_builtin): Ditto.
2988         (frv_expand_binopimm_builtin): Ditto.
2989         (frv_expand_voidbinop_builtin): Ditto.
2990         (frv_expand_int_void2arg): Ditto.
2991         (frv_expand_prefetches): Ditto.
2992         (frv_expand_voidtriop_builtin): Ditto.
2993         (frv_expand_voidaccop_builtin): Ditto.
2994         (frv_expand_load_builtin): Ditto.
2995         (frv_expand_store_builtin): Ditto.
2996         (frv_expand_mdpackh_builtin): Ditto.
2997         (frv_expand_mclracc_builtin): Ditto.
2998         (frv_expand_mrdacc_builtin): Ditto.
2999         (frv_expand_mwtacc_builtin): Ditto.
3000         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
3001         calls for above.
3002
3003 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
3004
3005         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
3006         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
3007         cmpb instruction.
3008         (HAVE_GAS_DFP): Check for assembler support of decimal floating
3009         point instructions.
3010         * configure: Regenerate.
3011         * config.in: Regenerate.
3012         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
3013         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
3014         masks to power6 and power6x and to POWERPC_MASKS.
3015         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3016         _ARCH_PWR6.
3017         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
3018         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
3019         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3020         Access PROTOTYPE as variable, not mask.
3021
3022 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3023
3024         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
3025         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
3026         * combine.c (adjust_for_new_dest): Use it.
3027         * postreload.c (reload_combine): Likewise.
3028
3029 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3030
3031         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
3032         notes on an insn with multiple sets, even if single_set returns
3033         non-NULL for that insn.
3034
3035 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3036
3037         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
3038         scalbn and scalbln.
3039
3040 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
3041
3042         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
3043         if user didn't pass it.
3044         * config/i386/darwin.h (CC1_SPEC): Likewise.
3045         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
3046         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
3047         -mmacosx-version-min.
3048
3049 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3050             Uros Bizjak  <ubizjak@gmail.com>
3051
3052         * optabs.h (enum optab_index): Add new OTI_scalb.
3053         (scalb_optab): Define corresponding macro.
3054         * optabs.c (init_optabs): Initialize scalb_optab.
3055         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
3056         patterns.
3057         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
3058         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
3059         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
3060         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
3061         flag_unsafe_math_optimizations is set.
3062
3063         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
3064         to implement scalbf, scalb and scalbl built-ins as inline x87
3065         intrinsics.
3066
3067 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3068             DJ Delorie <dj@redhat.com>
3069
3070         PR other/30824
3071         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
3072         (diagnostic_report_diagnostic): ... here, and turn them into real
3073         errors. If warnings are inhibited, no need to do anything.
3074
3075 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
3076
3077         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
3078         better code generation.
3079
3080 2007-02-20  Ben Elliston  <bje@au.ibm.com>
3081
3082         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
3083
3084 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
3085
3086         * config/alpha/alpha.c, config/alpha/alpha.md,
3087         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
3088         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
3089         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
3090         config/arm/lib1funcs.asm: Follow spelling conventions.
3091
3092         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
3093         config/fr30/fr30.md, config/i386/i386.h,
3094         config/iq2000/iq2000.h, config/iq2000/predicates.md,
3095         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
3096         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3097         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
3098         config/rs6000/altivec.md, config/rs6000/rs6000.c,
3099         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
3100         config/sparc/sparc.c, config/sparc/sparc.h,
3101         config/sparc/sparc.md, config/spu/constraints.md,
3102         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
3103         conventions.
3104
3105 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
3106
3107         PR target/29943
3108         * varasm.c (use_blocks_for_decl_p): Return false for decls with
3109         alias attribute.
3110
3111 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3112
3113         * doc/invoke.texi (-ftree-lrs): Remove.
3114
3115 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
3116
3117         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
3118         NULL.
3119
3120 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
3121
3122         * config/ia64/ia64.c (ia64_expand_builtin): Use the
3123         new CALL_EXPR_FN macro for retrieving the function
3124         declaration of the input expression.
3125
3126 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3127
3128         * c.opt (Waddress): New.
3129         * common.opt (Walways-true): Delete.
3130         (Wstring-literal-comparison): Delete.
3131         * doc/invoke.texi (Warning Options): Delete -Walways-true and
3132         -Wstring-literal-comparison. Add -Waddress.
3133         (Waddress): New.
3134         (Walways-true): Delete.
3135         (Wstring-literal-comparison): Delete.
3136         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
3137         consistently instead of -Walways-true in example.
3138         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
3139         * c-typeck.c (parser_build_binary_op): Replace
3140         -Wstring-literal-comparison and -Walways-true with -Waddress.
3141         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
3142         with -Waddress.
3143
3144 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3145
3146         * tree-cfg.c (dump_function_to_file): Be prepared for functions
3147         without DECL_STRUCT_FUNCTION initialized.
3148
3149 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3150
3151         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
3152         due to calls to functions taking pointers as parameters.
3153
3154 2007-02-19  Richard Henderson  <rth@redhat.com>
3155
3156         PR debug/29558
3157         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
3158         in memory.
3159
3160 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3161
3162         * config/s390/s390.c (s390_call_saved_register_used,
3163         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
3164         accessed to the new scheme.
3165
3166 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3167
3168         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
3169         (cris_print_index, cris_print_operand, cris_print_operand_address)
3170         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
3171         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
3172         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
3173         GET_CODE () == xxx.
3174         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
3175         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
3176         GO_IF_LEGITIMATE_ADDRESS): Ditto.
3177         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
3178         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
3179         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
3180         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
3181         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
3182         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
3183         (uminsi3, call, call_value): Ditto.
3184         (define_split: indir_to_reg_split, unnamed): Ditto.
3185
3186 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
3187
3188         PR tree-optimization/30975
3189         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
3190         wrong assert.
3191
3192 2007-02-18  Eric Christopher  <echristo@gmail.com>
3193
3194         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
3195         Remove use of arglist.
3196         (mips_expand_builtin): Remove use of arglist, pass in expr.
3197         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
3198         (mips_expand_builtin_movtf): Ditto.
3199         (mips_expand_builtin_compare): Ditto.
3200
3201 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3202
3203         * tree-sra.c (sra_build_assignment): Replace assertion
3204         checking with a comment explaining why it can't be done.
3205
3206 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3207
3208         PR middle-end/30833
3209         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
3210         during CALL_EXPR representation conversion.
3211         * tree-ssa-propagate.c (set_rhs): Likewise.
3212
3213 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3214
3215         * tree-sra.c (sra_build_assignment): Disable assertion checking
3216         for now.
3217
3218 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3219
3220         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
3221         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3222         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
3223         Likewise.
3224         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
3225         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
3226         gimplify_init_ctor_eval_range, gimple_push_cleanup,
3227         gimplify_omp_for, gimplify_omp_atomic_pipeline,
3228         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
3229         force_gimple_operand): Likewise.
3230         * ipa-cp.c (constant_val_insert): Likewise.
3231         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3232         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
3233         perfect_nestify): Likewise.
3234         * langhooks.c (lhd_omp_assignment): Likewise.
3235         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
3236         lower_copyprivate_clauses, lower_send_clauses,
3237         lower_send_shared_vars, expand_parallel_call,
3238         expand_omp_for_generic, expand_omp_for_static_nochunk,
3239         expand_omp_for_static_chunk, expand_omp_sections,
3240         lower_omp_single_copy, lower_omp_for_lastprivate,
3241         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
3242         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3243         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
3244         Likewise.
3245
3246 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3247
3248         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
3249         config/sh/sh.md: Follow spelling conventions.
3250
3251         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
3252         config/frv/predicates.md: Follow spelling conventions.
3253
3254         * config/m68k/linux-unwind.h: Fix a comment typo.
3255         * target.h: Follow spelling conventions.
3256
3257 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3258
3259         PR rtl-optimization/28173
3260         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
3261         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
3262         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
3263         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
3264         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
3265
3266 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3267
3268         * builtins.c (fold_builtin_load_exponent): New.
3269         (fold_builtin_2): Use it.
3270
3271 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
3272
3273         PR rtl-optimization/30773
3274         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
3275         if we fail to attach a REG_EQUIV note.
3276
3277 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
3278             Roger Sayle  <roger@eyesopen.com>
3279
3280         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
3281
3282 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3283
3284         * calls.c (initialize_argument_information): Pass original EXP
3285         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
3286         code to split complex arguments here, as part of initializing the
3287         ARGS array.
3288         (expand_call): Remove code that builds a list of arguments and
3289         inserts implicit arguments into it.  Instead, just count how many
3290         implicit arguments there will be so we can determine the size of
3291         the ARGS array, and let initialize_argument_information do the work.
3292         (split_complex_values): Delete unused function.
3293
3294 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3295
3296         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
3297
3298 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3299
3300         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
3301         for arg pointer based indexed addressing.
3302
3303 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3304
3305         * config/ia64/ia64.h, config/ia64/ia64.md,
3306         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
3307         spelling conventions.
3308
3309 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3310
3311         * config/m68k/m68k.c (split_di): New.
3312         * config/m68k/m68k-protos.h: Declare split_di.
3313         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
3314           Improve predicate handling and split constant shifts.
3315
3316 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3317
3318         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
3319         parameter for register bitfield operations, general predicates
3320         cleanup
3321
3322 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3323
3324         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
3325         * config/m68k/linux-unwind.h: New file.
3326
3327 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3328
3329         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
3330         config/i386/athlon.md, config/ia64/ia64.md,
3331         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
3332         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
3333         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
3334         tree-ssa-loop-niter.c, tree-vect-analyze.c,
3335         tree-vect-transform.c: Fix comment typos.
3336
3337 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
3338
3339         * sched-deps.c (find_insn_list): Remove.
3340         * sched-int.h: Remove the prototype for find_insn_list.
3341
3342 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
3343
3344         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
3345         to linker.
3346         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
3347         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
3348         darwin_rs6000_override_options.
3349         (C_COMMON_OVERRIDE_OPTIONS): Expect
3350         darwin_macosx_version_min to be non-NULL always.
3351         (TARGET_C99_FUNCTIONS): Likewise.
3352         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
3353         (DARWIN_MINVERSION_SPEC): New.
3354         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
3355         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
3356         to cc1*.
3357         (DARWIN_MINVERSION_SPEC): New.
3358         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
3359         value.
3360         * config/darwin-c.c (darwin_cpp_builtins): Expect
3361         darwin_macosx_version_min to be non-NULL always.
3362
3363         * config/rs6000/rs6000.c: Clean up trailing whitespace.
3364
3365 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
3366
3367         * config/i386/i386.h (x86_use_xchgb): New.
3368         (TARGET_USE_XCHGB): New macro.
3369         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
3370         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
3371         Split after reload into bswaphi for shifts of 8.
3372         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
3373         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
3374         or when optimizing for size.
3375
3376 2007-02-16  Richard Guenther  <rguenther@suse.de>
3377             Christian Bruel  <christian.bruel@st.com>
3378
3379         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
3380         DECLs but prefer SSA_NAMEs over DECLs.
3381
3382 2007-02-16  Richard Guenther  <rguenther@suse.de>
3383
3384         * tree-flow-inline.h (single_imm_use_p): Remove.
3385         (zero_imm_uses_p): Likewise.
3386         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
3387         instead of single_imm_use_p.
3388         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
3389         zero_imm_uses_p.
3390
3391 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3392
3393         PR other/27843
3394         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
3395         nested double- and backquotes.
3396
3397 2007-02-15  Roger Sayle  <roger@eyesopen.com>
3398
3399         PR middle-end/30391
3400         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
3401         should be unreachable.
3402         (build2_stat): Allow construction of MODIFY_EXPR at any time.
3403         For the time being redirect GIMPLE_MODIFY_STMT to the new
3404         (renamed) build_gimple_modify_stmt_stat.
3405         (build2_gimple_stat): Rename to...
3406         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
3407         Always build a GIMPLE_MODIFY_STMT node.
3408         * tree.h (build2_gimple, build2_gimple_stat): Delete.
3409         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
3410         declarations.
3411
3412         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
3413         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
3414         * tree-complex.c (set_component_ssa_name, expand_complex_move,
3415         expand_complex_div_wide): Likewise.
3416         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
3417         * tree-ssa-loop-im.c (schedule_sm): Likewise.
3418         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
3419         * tree-ssa-loop-manip.c (create_iv): Likewise.
3420         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
3421         abs_replacement): Likewise.
3422         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
3423         realify_fake_stores): Likewise.
3424
3425         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
3426         node rather than a GIMPLE_MODIFY_STMT node.
3427         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
3428         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
3429         Likewise.
3430         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
3431         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
3432         GIMPLE_MODIFY_STMT.
3433
3434 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3435
3436         PR middle-end/30433
3437         * fold-const.c (fold_comparison): Add back the
3438         folding of constant complex comparisions.
3439
3440 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3441
3442         PR middle-end/30729
3443         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
3444         effects unknown to this function, return early.
3445
3446 2007-02-15  Ian Lance Taylor  <iant@google.com>
3447
3448         * lower-subreg.c (move_eh_region_note): New static function.
3449         (resolve_simple_move): Call it.
3450         (decompose_multiword_subregs): Track blocks for which we resolve a
3451         simple move which is also a control flow insn.  Pass them to
3452         find_many_sub_basic_blocks.
3453         (pass_lower_subreg): Add TODO_verify_flow.
3454         (pass_lower_subreg2): Likewise.
3455
3456 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3457             Brooks Moses  <brooks.moses@codesourcery.com>
3458             Lee Millward  <lee.millward@codesourcery.com>
3459
3460         * tree.h (enum tree_code_class): Add tcc_vl_exp.
3461         (VL_EXP_CLASS_P): New.
3462         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
3463         TREE_CODE_LENGTH.
3464         (TREE_OPERAND_CHECK_CODE): Likewise.
3465         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
3466         (TREE_RTL_OPERAND_CHECK): Likewise.
3467         (tree_operand_check_failed): Make second parameter the whole tree
3468         instead of its code.  Fixed callers.
3469         (VL_EXP_CHECK): New.
3470         (TREE_OPERAND_LENGTH): New.
3471         (VL_EXP_OPERAND_LENGTH): New.
3472         (CALL_EXPR_FN): New.
3473         (CALL_EXPR_STATIC_CHAIN): New.
3474         (CALL_EXPR_ARGS): New.
3475         (CALL_EXPR_ARG): New.
3476         (call_expr_nargs): New.
3477         (CALL_EXPR_ARGP): New.
3478         (build_nt_call_list): Declare.
3479         (build_vl_exp_stat): Declare.
3480         (build_vl_exp): New.
3481         (build_call_list): Declare.
3482         (build_call_nary): Declare.
3483         (build_call_valist): Declare.
3484         (build_call_array): Declare.
3485         (call_expr_arg): Declare.
3486         (call_expr_argp): Declare.
3487         (call_expr_arglist): Declare.
3488         (fold_build_call_list): Declare.
3489         (fold_build_call_list_initializer): Declare.
3490         (fold_call_expr): Declare to replace fold_builtin.
3491         (fold_builtin_fputs): Update to agree with modified definition.
3492         (fold_builtin_strcpy): Likewise.
3493         (fold_builtin_strncpy): Likewise.
3494         (fold_builtin_memory_chk): Likewise.
3495         (fold_builtin_stxcpy_chk): Likewise.
3496         (fold_builtin_strncpy_chk): Likewise.
3497         (fold_builtin_next_arg): Likewise.
3498         (fold_build_call_expr): Declare.
3499         (fold_builtin_call_list): Declare.
3500         (fold_builtin_call_valist): Declare.
3501         (build_call_expr): Declare.
3502         (validate_arglist): Update to agree with modified definition.
3503         (tree_operand_length): New.
3504         (call_expr_arg_iterator): New.
3505         (init_call_expr_arg_iterator): New.
3506         (next_call_expr_arg): New.
3507         (first_call_expr_arg): New.
3508         (more_call_expr_args_p): New.
3509         (FOR_EACH_CALL_EXPR_ARG): New.
3510
3511         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
3512         and tcc_gimple_stmt.
3513         (tree_code_size): Update documentation.  Use sizeof (tree) rather
3514         than sizeof (char *).
3515         (tree_size): Likewise.  Add case for tcc_vl_exp.
3516         (tree_node_structure): Add case for tcc_vl_exp.
3517         (contains_placeholder_p): Likewise.
3518         (substitute_in_expr): Likewise.
3519         (substitute_placeholder_in_expr): Likewise.
3520         (stabilize_reference_1): Likewise.
3521         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
3522         to diagnose breakage of this interface for constructing CALL_EXPRs.
3523         (build_nt): Add similar assertion here.
3524         (build_nt_call_list): New.
3525         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
3526         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
3527         TREE_CODE_LENGTH.
3528         (get_callee_fndecl): Use new CALL_EXPR accessors.
3529         (tree_operand_check_failed): Change parameters to pass entire node
3530         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
3531         (process_call_operands): New.
3532         (build_vl_exp_stat): New.
3533         (build_call_list): New.
3534         (build_call_nary): New.
3535         (build_call_valist): New.
3536         (build_call_array): New.
3537         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3538         (call_expr_arglist): New.
3539
3540         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
3541         tcc_vl_exp instead of a fixed-size tcc_expression.
3542
3543         * doc/c-tree.texi (CALL_EXPR): Document new representation and
3544         accessors for CALL_EXPRs.
3545         (AGGR_INIT_EXPR): Likewise.
3546
3547 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3548             Brooks Moses  <brooks.moses@codesourcery.com>
3549             Lee Millward  <lee.millward@codesourcery.com>
3550
3551         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
3552         (expand_builtin_nonlocal_goto): Change parameter to be entire
3553         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
3554         (expand_builtin_prefetch): Likewise.
3555         (expand_builtin_classify_type): Likewise.
3556         (mathfn_built_in): Return NULL_TREE instead of 0.
3557         (expand_errno_check): Use new CALL_EXPR accessors.
3558         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
3559         Return NULL_RTX instead of 0.
3560         (expand_builtin_mathfn_2): Likewise.
3561         (expand_builtin_mathfn_3): Likewise.
3562         (expand_builtin_interclass_mathfn): Likewise.
3563         (expand_builtin_sincos): Likewise.
3564         (expand_builtin_cexpi): Likewise.
3565         (expand_builtin_int_roundingfn): Likewise.
3566         (expand_builtin_int_roundingfn_2): Likewise.
3567         (expand_builtin_pow): Likewise.
3568         (expand_builtin_powi): Likewise.
3569         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
3570         of arglist, fixing callers appropriately.  Use new CALL_EXPR
3571         accessors and constructors.  Return NULL_RTX instead of 0.
3572         (expand_builtin_strstr): Likewise.
3573         (expand_builtin_strchr): Likewise.
3574         (expand_builtin_strrchr): Likewise.
3575         (expand_builtin_strpbrk): Likewise.
3576         (expand_builtin_memcpy): Likewise.
3577         (expand_builtin_mempcpy): Likewise.
3578         (expand_builtin_mempcpy_args): New.
3579         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
3580         (expand_builtin_memmove_args): New.
3581         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
3582         (expand_movstr): Likewise.
3583         (expand_builtin_strcpy): Likewise.
3584         (expand_builtin_strcpy_args): New.
3585         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
3586         (expand_builtin_strncpy): Likewise.
3587         (expand_builtin_memset): Likewise.
3588         (expand_builtin_memset_args): New.
3589         (expand_builtin_bzero): Similarly to expand_builtin_memset.
3590         (expand_builtin_memcmp): Likewise.
3591         (expand_builtin_strcmp): Likewise.
3592         (expand_builtin_strncmp): Likewise.
3593         (expand_builtin_strcat): Likewise.
3594         (expand_builtin_strncat): Likewise.
3595         (expand_builtin_strspn): Likewise.
3596         (expand_builtin_strcspn): Likewise.
3597         (expand_builtin_args_info): Likewise.
3598         (expand_builtin_va_start): Likewise.
3599         (gimplify_va_arg_expr): Likewise.
3600         (expand_builtin_va_end): Likewise.
3601         (expand_builtin_va_copy): Likewise.
3602         (expand_builtin_frame_address): Likewise.
3603         (expand_builtin_alloca): Likewise.
3604         (expand_builtin_bswap): Likewise.
3605         (expand_builtin_unop): Likewise.
3606         (expand_builtin_fputs): Likewise.
3607         (expand_builtin_expect): Likewise.
3608         (expand_builtin_fabs): Likewise.
3609         (expand_builtin_copysign): Likewise.
3610         (expand_builtin_printf): Likewise.
3611         (expand_builtin_fprintf): Likewise.
3612         (expand_builtin_sprintf): Likewise.
3613         (expand_builtin_init_trampoline): Likewise.
3614         (expand_builtin_signbit): Likewise.
3615         (expand_builtin_fork_or_exec): Likewise.
3616         (expand_builtin_sync_operation): Likewise.
3617         (expand_builtin_compare_and_swap): Likewise.
3618         (expand_builtin_lock_test_and_set): Likewise.
3619         (expand_builtin_lock_release): Likewise.
3620         (expand_builtin): Likewise.
3621         (builtin_mathfn_code): Likewise.
3622
3623         (fold_builtin_constant_p): Pass call arguments individually instead
3624         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
3625         accessors and constructors.  Return NULL_TREE instead of 0.
3626         (fold_builtin_expect): Likewise.
3627         (fold_builtin_classify_type): Likewise.
3628         (fold_builtin_strlen): Likewise.
3629         (fold_builtin_nan): Likewise.
3630         (integer_valued_real_p): Likewise.
3631         (fold_trunc_transparent_mathfn): Likewise.
3632         (fold_fixed_mathfn): Likewise.
3633         (fold_builtin_cabs): Likewise.
3634         (fold_builtin_sqrt): Likewise.
3635         (fold_builtin_cbrt): Likewise.
3636         (fold_builtin_cos): Likewise.
3637         (fold_builtin_cosh): Likewise.
3638         (fold_builtin_tan): Likewise.
3639         (fold_builtin_sincos): Likewise.
3640         (fold_builtin_cexp): Likewise.
3641         (fold_builtin_trunc): Likewise.
3642         (fold_builtin_floor): Likewise.
3643         (fold_builtin_ceil): Likewise.
3644         (fold_builtin_round): Likewise.
3645         (fold_builtin_int_roundingfn): Likewise.
3646         (fold_builtin_bitop): Likewise.
3647         (fold_builtin_bswap): Likewise.
3648         (fold_builtin_logarithm): Likewise.
3649         (fold_builtin_hypot): Likewise.
3650         (fold_builtin_pow): Likewise.
3651         (fold_builtin_powi): Likewise.
3652         (fold_builtin_exponent): Likewise.
3653         (fold_builtin_memset): Likewise.
3654         (fold_builtin_bzero): Likewise.
3655         (fold_builtin_memory_op): Likewise.
3656         (fold_builtin_bcopy): Deleted; call site changed to invoke
3657         fold_builtin_memory_op directly.
3658         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
3659         (fold_builtin_strncpy): Likewise.
3660         (fold_builtin_memcmp): Likewise.
3661         (fold_builtin_strcmp): Likewise.
3662         (fold_builtin_strncmp): Likewise.
3663         (fold_builtin_signbit): Likewise.
3664         (fold_builtin_copysign): Likewise.
3665         (fold_builtin_isascii): Likewise.
3666         (fold_builtin_toascii): Likewise.
3667         (fold_builtin_isdigit): Likewise.
3668         (fold_builtin_fabs): Likewise.
3669         (fold_builtin_abs): Likewise.
3670         (fold_builtin_fmin_fmax): Likewise.
3671         (fold_builtin_carg): Likewise.
3672         (fold_builtin_classify): Likewise.
3673         (fold_builtin_unordered_cmp): Likewise.
3674
3675         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
3676         New functions split out from fold_builtin_1.
3677         (fold_builtin_n): New.
3678         (fold_builtin_varargs): New.
3679         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
3680         instead.
3681         (fold_call_expr): New.
3682         (build_function_call_expr): Rewrite to use new helper function.
3683         (fold_builtin_call_list): New.
3684         (build_call_expr): New.
3685         (fold_builtin_call_valist): New.
3686         (rewrite_call_expr): New.
3687         (validate_arg): New.
3688         (validate_arglist): Change parameter to be entire CALL_EXPR instead
3689         of an arglist.  Change return type to bool.  Use new CALL_EXPR
3690         accessors.
3691
3692         (fold_builtin_strstr):  Pass call arguments individually instead
3693         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
3694         accessors and constructors.  Return NULL_TREE instead of 0.
3695         (fold_builtin_strchr): Likewise.
3696         (fold_builtin_strrchr): Likewise.
3697         (fold_builtin_strpbrk): Likewise.
3698         (fold_builtin_strcat): Likewise.
3699         (fold_builtin_strncat): Likewise.
3700         (fold_builtin_strspn): Likewise.
3701         (fold_builtin_strcspn): Likewise.
3702         (fold_builtin_fputs): Likewise.
3703         (fold_builtin_next_arg): Likewise.
3704         (fold_builtin_sprintf): Likewise.
3705
3706         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
3707         NULL_RTX instead of 0.
3708         (expand_builtin_memory_chk): Likewise.
3709         (maybe_emit_chk_warning): Likewise.
3710         (maybe_emit_sprintf_chk_warning): Likewise.
3711
3712         (fold_builtin_object_size): Pass call arguments individually instead
3713         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
3714         accessors and constructors.  Return NULL_TREE instead of 0.
3715         (fold_builtin_memory_chk): Likewise.
3716         (fold_builtin_stxcpy_chk): Likewise.
3717         (fold_builtin_strncpy_chk): Likewise.
3718         (fold_builtin_strcat_chk): Likewise.
3719         (fold_builtin_strcat_chk): Likewise.
3720         (fold_builtin_strncat_chk): Likewise.
3721         (fold_builtin_sprintf_chk): Likewise.
3722         (fold_builtin_snprintf_chk): Likewise.
3723         (fold_builtin_printf): Likewise.
3724         (fold_builtin_vprintf): Likewise.
3725
3726         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
3727         constructors.
3728         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
3729         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3730         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
3731         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
3732         (fold_unary): Likewise.
3733         (fold_binary): Likewise.
3734         (fold_ternary): Remove CALL_EXPR case, since they are no longer
3735         ternary expressions.
3736         (fold): Add logic for tcc_vl_exp.
3737         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
3738         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3739         (fold_build3_stat): Add assertion to flag broken interface for
3740         constructing CALL_EXPRs.
3741         (fold_build_call_list): New.
3742         (fold_build_call_list_initializer): New.
3743         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
3744         constructors.
3745         (fold_strip_sign_ops): Likewise.
3746
3747 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3748             Brooks Moses  <brooks.moses@codesourcery.com>
3749             Lee Millward  <lee.millward@codesourcery.com>
3750
3751         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
3752         accessors and dump arguments explicitly.
3753
3754         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
3755         TREE_CODE_LENGTH.
3756         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
3757         explicitly.
3758         (print_call_name): Use new CALL_EXPR accessors.
3759
3760         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
3761         CALL_EXPR arguments explicitly instead of as a list.  Use
3762         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3763
3764         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
3765         (vrp_visit_stmt): Likewise.
3766
3767         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
3768         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
3769         TREE_CODE_LENGTH.
3770         (force_move_till_expr): Likewise.
3771
3772         * targhooks.c (default_external_stack_protect_fail): Use
3773         build_call_expr instead of build_function_call_expr.
3774         (default_hidden_stack_protect_fail): Likewise.
3775
3776         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
3777         build the call.
3778
3779         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
3780         and walk arguments explicitly.
3781
3782         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
3783         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3784         (expand_simple_operations): Likewise.
3785         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
3786
3787         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
3788         of TREE_CODE_LENGTH.
3789         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
3790
3791         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
3792         instead of TREE_CODE_LENGTH.
3793
3794         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
3795         (tree_ic_transform): Likewise.
3796         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
3797         parameter instead of arglist.  Fix callers.
3798         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
3799         (tree_stringops_transform): Likewise.
3800         (tree_indirect_call_to_profile): Likewise.
3801         (tree_stringops_values_to_profile): Likewise.
3802
3803         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
3804         (eliminate_tail_call): Likewise.
3805
3806         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
3807
3808         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3809         Use TREE_OPERAND_LENGTH and generalize to handle any number of
3810         operands.
3811         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
3812
3813         * omp-low.c (build_omp_barrier): Use build_call_expr.
3814         (lower_rec_input_clauses): Likewise.
3815         (lower_reduction_clauses): Likewise.
3816         (expand_parallel_call): Likewise.
3817         (maybe_catch_exception): Likewise.
3818         (expand_omp_for_generic): Likewise.
3819         (expand_omp_for_static_nochunk): Likewise.
3820         (expand_omp_sections): Likewise.
3821         (lower_omp_single_simple): Likewise.
3822         (lower_omp_single_copy): Likewise.
3823         (lower_omp_master): Likewise.
3824         (lower_omp_ordered): Likewise.
3825         (lower_omp_critical): Likewise.
3826
3827         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
3828         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
3829
3830         * tree-gimple.c (is_gimple_call_addr): Fix doc.
3831         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
3832         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
3833
3834         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
3835         and generalize to handle any number of operands.
3836         (chrec_contains_undetermined): Likewise.
3837         (tree_contains_chrecs): Likewise.
3838         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
3839
3840         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
3841
3842         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
3843         fold_call_expr instead of fold_builtin.
3844         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
3845         match declarations there.
3846         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
3847         updates.
3848
3849         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
3850         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3851
3852         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
3853         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
3854
3855         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
3856         accessors.
3857
3858         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
3859         (execute_cse_sincos): Use new CALL_EXPR accessors.
3860
3861         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
3862
3863         * gimple-low.c (lower_function_body): Use build_call_expr.
3864         (lower_builtin_setjmp): Likewise.
3865
3866         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
3867         (set_storage_via_libcall): Likewise.
3868         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
3869         instead of TREE_CODE_LENGTH.
3870         (expand_expr_real_1): Use new CALL_EXPR accessors.
3871
3872         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
3873         generalize to handle any number of operands.
3874         (TB_parent_eq): Likewise.
3875
3876         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
3877         (strip_builtin_expect): Likewise.
3878
3879         * function.c (gimplify_parameters): Use build_call_expr.
3880
3881         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
3882         instead of TREE_CODE_LENGTH.
3883
3884         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
3885         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
3886
3887         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
3888         iterators.
3889
3890         * gimplify.c (build_stack_save_restore): Use build_call_expr.
3891         (gimplify_decl_expr): Likewise.
3892         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
3893         Use new CALL_EXPR iterators.
3894         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
3895         (gimplify_modify_expr_to_memset): Likewise.
3896         (gimplify_variable_sized_compare): Likewise.
3897         (gimplify_omp_atomic_fetch_op): Likewise.
3898         (gimplify_omp_atomic_pipeline): Likewise.
3899         (gimplify_omp_atomic_mutex): Likewise.
3900         (gimplify_function_tree): Likewise.
3901
3902         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
3903         (call_expr_flags): Likewise.
3904         (expand_call): Likewise.
3905
3906         * except.c (expand_builtin_eh_return_data_regno): Pass entire
3907         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
3908         accessors.
3909
3910         * coverage.c (create_coverage): Use build_call_expr.
3911
3912         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
3913         (temp_call_expr_obstack): New.
3914         (pool_copy_list): Delete.
3915         (temp_copy_call_expr): New.
3916         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
3917         CALL_EXPR accessors.  Get rid of special goo for copying argument
3918         lists and use temp_copy_call_expr instead.
3919         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
3920         CALL_EXPR accessors.
3921         (create_expression_by_pieces): Likewise.  Use build_call_array
3922         to construct the result instead of fold_build3.
3923         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
3924         dealing with argument lists.
3925         (init_pre): Remove references to expression_node_pool and
3926         list_node_pool.  Init temp_call_expr_obstack instead.
3927         (fini_pre): Remove references to expression_node_pool and
3928         list_node_pool.
3929
3930         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
3931         and walk arguments explicitly instead of as a list.
3932
3933         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
3934         (mx_register_decls): Likewise.
3935         (mudflap_register_call): Likewise.
3936         (mudflap_finish_file): Likewise.
3937
3938         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
3939         (ipa_callsite_compute_param): Likewise.
3940
3941         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
3942         accessors and constructor.
3943
3944         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
3945         accessors and constructor.
3946         (convert_tramp_reference): Likewise.
3947         (convert_call_expr): Likewise.
3948         (finalize_nesting_tree_1): Likewise.
3949
3950         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
3951         accessors.
3952
3953         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
3954
3955         * tree-inline.c (initialize_inlined_parameters): Pass entire
3956         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
3957         accessors.
3958         (estimate_num_insns_1): Use new CALL_EXPR accessors.
3959         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
3960
3961         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
3962         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3963         (vectorizable_reduction): Likewise.
3964         (vectorizable_call): Use new CALL_EXPR iterators.
3965         (vectorizable_conversion): Use build_call_expr.
3966         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
3967         (vect_gen_widened_results_half): Use build_call_expr.
3968         (vect_setup_realignment): Likewise.
3969         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
3970
3971         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
3972         (pass_through_call): Likewise.
3973         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
3974         fold_builtin.
3975
3976         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
3977         (tree_gen_pow2_profiler): Likewise.
3978         (tree_gen_one_value_profiler): Likewise.
3979         (tree_gen_ic_func_profiler): Likewise.
3980         (tree_gen_average_profiler): Likewise.
3981         (tree_gen_ior_profiler): Likewise.
3982
3983         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
3984         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
3985         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3986
3987         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
3988         of TREE_CODE_LENGTH.
3989
3990         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
3991         of TREE_CODE_LENGTH.
3992
3993         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
3994         constructor.
3995         (convert_to_integer): Likewise.
3996
3997         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
3998         accessors.
3999
4000 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4001             Brooks Moses  <brooks.moses@codesourcery.com>
4002             Lee Millward  <lee.millward@codesourcery.com>
4003
4004         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
4005         accessors.
4006         * config/frv/frv.c (frv_expand_builtin): Likewise.
4007         * config/s390/s390.c (s390_expand_builtin): Likewise.
4008
4009         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
4010         (sparc_expand_builtin): Use new CALL_EXPR accessors.
4011
4012         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
4013         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
4014         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
4015         (ix86_expand_store_builtin): Likewise.
4016         (ix86_expand_unop_builtin): Likewise.
4017         (ix86_expand_unop1_builtin): Likewise.
4018         (ix86_expand_sse_compare): Likewise.
4019         (ix86_expand_sse_comi): Likewise.
4020         (ix86_expand_vec_init_builtin): Likewise.
4021         (ix86_expand_vec_ext_builtin): Likewise.
4022         (ix86_expand_vec_set_builtin): Likewise.
4023         (ix86_expand_builtin): Use new CALL_EXPR accessors.
4024
4025         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
4026         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
4027
4028         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
4029         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4030         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
4031
4032         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
4033         build_call_expr.
4034         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
4035         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
4036         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4037         (altivec_expand_abs_builtin): Likewise.
4038         (rs6000_expand_binop_builtin): Likewise.
4039         (altivec_expand_predicate_builtin): Likewise.
4040         (altivec_expand_lv_builtin): Likewise.
4041         (spe_expand_stv_builtin): Likewise.
4042         (altivec_expand_stv_builtin): Likewise.
4043         (rs6000_expand_ternop_builtin): Likewise.
4044         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
4045         (altivec_expand_st_builtin): Likewise.
4046         (altivec_expand_dst_builtin): Likewise.
4047         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
4048         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4049         (altivec_expand_vec_set_builtin): Likewise.
4050         (altivec_expand_vec_ext_builtin): Likewise.
4051         (altivec_expand_builtin): Use new CALL_EXPR accessors.
4052         (spe_expand_builtin): Likewise.
4053         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
4054         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4055         (spe_expand_evsel_builtin): Likewise.
4056         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
4057         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
4058
4059         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
4060         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4061         (arm_expand_unop_builtin): Likewise.
4062         (arm_expand_builtin): Use new CALL_EXPR accessors.
4063
4064         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
4065         accessors.
4066
4067         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
4068         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4069         (bfin_expand_unop_builtin): Likewise.
4070         (bfin_expand_builtin): Use new CALL_EXPR accessors.
4071
4072 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4073             Brooks Moses  <brooks.moses@codesourcery.com>
4074             Lee Millward  <lee.millward@codesourcery.com>
4075
4076         * c-semantics.c (build_stmt): Add internal diagnostic check.
4077
4078         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
4079         accessors.  Print arguments explicitly instead of as a list.
4080
4081         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
4082
4083         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
4084         (c_finish_omp_flish): Likewise.
4085
4086         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
4087         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
4088         instead of TREE_CODE_LENGTH.
4089         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
4090         (c_warn_unused_result): Likewise.
4091
4092 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4093
4094         PR c/26494
4095         * doc/invoke.texi (Warning Options): Remove
4096         -Werror-implicit-function-declaration.
4097         (Wimplicit-function-declaration): Update description.
4098         * opts.c (common_handle_option): Move handling of -Werror=* to...
4099         (enable_warning_as_error): ...here.
4100         * opts.h (enable_warning_as_error): Declare.
4101         * c-decl.c (implicit_decl_warning): Unless
4102         -Wno-implicit-function-declaration is given, emit a pedwarn if
4103         -std=c99 or emit a warning if -Wimplicit-function-declaration.
4104         * c.opt (Wimplicit-function-declaration): Replace
4105         mesg_implicit_function_declaration with
4106         warn_implicit_function_declaration.
4107         * c-opts.c (c_common_handle_option):
4108         -Werror-implicit-function-declaration is exactly equal as
4109         -Werror=implicit-function-declaration.
4110         (set_Wimplicit): Replace mesg_implicit_function_declaration with
4111         warn_implicit_function_declaration.
4112         (c_common_post_options): -Wimplict-function-declaration is enabled
4113         by default by -std=c99, otherwise is disabled by default.
4114         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
4115
4116 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4117
4118         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
4119         DECL on the rhs to a DECL on the lhs for debug info purposes if the
4120         former is ignored but not the latter.
4121
4122 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4123
4124         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
4125         is made and the reference doesn't use the alias set of its type,
4126         do not create the temporary using that type.
4127
4128 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
4129
4130         * jump.c: Remove prototypes for delete_computation and
4131         delete_prior_computation.
4132
4133 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4134
4135         * jump.c (get_label_after): Delete.
4136         (get_label_before, delete_computation, delete_jump,
4137         delete_prior_computation, follow_jumps): Move...
4138         * reorg.c (delete_computation, delete_prior_computation): ... here...
4139         (get_label_before, delete_jump): ... making these static ...
4140         (follow_jumps): ... and simplifying this since it only runs after
4141         reload.
4142         * rtl.h (get_label_after, get_label_before, delete_jump,
4143         follow_jumps): Delete prototypes.
4144
4145 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4146
4147         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
4148
4149 2007-02-15  Nick Clifton  <nickc@redhat.com>
4150
4151         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
4152         order to prevent it from being munged by the target.
4153
4154 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
4155
4156         * config/i386/i386.md: Remove misleading comment.
4157
4158 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4159
4160         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
4161         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
4162         invalid patterns.
4163
4164 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4165
4166         * tree-sra.c (instantiate_missing_elements): Canonicalize
4167         bit-field types.
4168         (sra_build_assignment): New.
4169         (generate_copy_inout, generate_element_copy,
4170         generate_element_zero, generate_one_element_init): Use it.
4171
4172 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4173
4174         * tree-sra.c (instantiate_missing_elements): Canonicalize
4175         bit-field types.
4176         (sra_build_assignment): New.
4177         (generate_copy_inout, generate_element_copy,
4178         generate_element_zero, generate_one_element_init): Use it.
4179
4180 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4181
4182         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
4183         limbo die nodes.
4184
4185 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
4186
4187         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
4188         types as aggregates not scalars.
4189         * function.c (assign_stack_temp_for_type): Likewise.
4190
4191 2007-02-14  Roger Sayle  <roger@eyesopen.com>
4192             Zdenek Dvorak  <dvorakz@suse.cz>
4193
4194         * tree-dump.c (dump_switch_p_1): Require exact match of the option
4195         name.
4196
4197 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
4198
4199         * passes.c (next_pass_1): Clear the next field of the copied
4200         pass structure.
4201
4202 2007-02-14  Richard Henderson  <rth@redhat.com>
4203
4204         * tree-sra.c (early_sra): New.
4205         (decl_can_be_decomposed_p): Deny va_list if early_sra.
4206         (tree_sra_early, pass_sra_early): New.
4207         * tree-pass.h (pass_sra_early): Declare.
4208         * passes.c (init_optimization_passes): Use it.
4209
4210 2007-02-14  Richard Guenther  <rguenther@suse.de>
4211
4212         * flags.h (issue_strict_overflow_warning): Convert to a macro.
4213
4214 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
4215
4216          PR tree-optimization/30771
4217         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
4218         also phi nodes.
4219         (vect_analyze_operations): Induction phis can now be marked as
4220         used_in_loop.
4221         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
4222         Update documentation accordingly.
4223
4224 2007-02-14  Nick Clifton  <nickc@redhat.com>
4225
4226         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
4227         most 3 arguments are supported.
4228         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
4229
4230 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
4231
4232         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
4233         Ensure dst->current is valid.
4234
4235 2007-02-13  Paul Brook  <paul@codesourcery.com>
4236
4237         * config.gcc: Add arm*-*-uclinux-*eabi.
4238         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
4239         (SUBTARGET_EXTRA_LINK_SPEC): Define.
4240         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
4241         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
4242         (LINK_SPEC): Define.
4243         (LIB_SPEC): Define.
4244         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
4245         register.
4246         * config/arm/uclinux-eabi.h: New file.
4247         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
4248         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
4249         based targets.
4250
4251 2007-02-13  Ian Lance Taylor  <iant@google.com>
4252
4253         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
4254         * flags.h (warn_strict_overflow): Declare.
4255         (enum warn_strict_overflow_code): Define.
4256         (issue_strict_overflow_warning): New static inline function.
4257         * opts.c (warn_strict_overflow): New variable.
4258         (common_handle_option): Handle OPT_Wstrict_overflow and
4259         OPT_Wstrict_overflow_.
4260         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
4261         OPT_Wall.
4262         * fold-const.c: Include intl.h.
4263         (fold_deferring_overflow_warnings): New static variable.
4264         (fold_deferred_overflow_warning): New static variable.
4265         (fold_deferred_overflow_code): New static variable.
4266         (fold_defer_overflow_warnings): New function.
4267         (fold_undefer_overflow_warnings): New function.
4268         (fold_undefer_and_ignore_overflow_warnings): New function.
4269         (fold_deferring_overflow_warnings_p): New function.
4270         (fold_overflow_warning): New static function.
4271         (make_range): Add strict_overflow_p parameter.  Change all
4272         callers.
4273         (extract_muldiv, extract_muldiv_1): Likewise.
4274         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
4275         tree_expr_nonnegative_p.
4276         (fold_negate_expr): Call fold_overflow_warning.
4277         (fold_range_test): Likewise.
4278         (fold_comparison): Likewise.
4279         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
4280         instead of tree_expr_nonnegative_p.
4281         (tree_expr_nonnegative_warnv_p): Rename from
4282         tree_expr_nonnegative_p, add strict_overflow_p parameter.
4283         (tree_expr_nonnegative_p): New function.
4284         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
4285         strict_overflow_p parameter.
4286         (tree_expr_nonzero_p): New function.
4287         * passes.c (verify_interpass_invariants): New static function.
4288         (execute_one_pass): Call it.
4289         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
4290         warnings.
4291         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
4292         (estimate_numbers_of_iterations): Likewise.
4293         (scev_probably_wraps_p): Likewise.
4294         * tree-ssa-ccp.c: Include "toplev.h".
4295         (evaluate_stmt): Defer fold overflow warnings until we know we are
4296         going to optimize.
4297         (struct fold_stmt_r_data): Add stmt field.
4298         (fold_stmt_r): Defer fold overflow warnings until we know we
4299         optimized.
4300         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
4301         (fold_stmt_inplace): Likewise.
4302         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
4303         (cleanup_control_expr_graph): Defer fold overflow warnings until
4304         we know we are going to optimize.
4305         * tree-cfg.c (fold_cond_expr_cond): Likewise.
4306         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
4307         Likewise.
4308         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
4309         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
4310         * tree-ssa-loop-manip.c (create_iv): Likewise.
4311         * c-typeck.c (build_conditional_expr): Likewise.
4312         (build_binary_op): Likewise.
4313         * tree-vrp.c (vrp_expr_computes_nonzero): Call
4314         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
4315         (extract_range_from_unary_expr): Likewise.
4316         * simplify-rtx.c (simplify_const_relational_operation): Warn when
4317         assuming that signed overflow does not occur.
4318         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
4319         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
4320         (fold_defer_overflow_warnings): Declare.
4321         (fold_undefer_overflow_warnings): Declare.
4322         (fold_undefer_and_ignore_overflow_warnings): Declare.
4323         (fold_deferring_overflow_warnings_p): Declare.
4324         (tree_expr_nonzero_warnv_p): Declare.
4325         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
4326         of warning options.
4327         (Warning Options): Document -Wstrict-overflow.
4328         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
4329         (tree-ssa-ccp.o): Likewise.
4330         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
4331         (fold-const.o): Depend on intl.h.
4332
4333 2007-02-13  Ian Lance Taylor  <iant@google.com>
4334
4335         PR middle-end/30751
4336         * lower-subreg.c (resolve_simple_move): Decompose subregs in
4337         addresses.
4338
4339 2007-02-13  Stuart Hastings  <stuart@apple.com>
4340
4341         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
4342
4343 2007-02-13  Richard Henderson  <rth@redhat.com>
4344
4345         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
4346         handled_component_p before looking for the indirect_ref.
4347
4348 2007-02-13  Richard Henderson  <rth@redhat.com>
4349
4350         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
4351         remove flags clobber.
4352         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
4353         (bswaphi_lowpart): New.
4354         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
4355         remove TARGET_BSWAP test.  Delete expander of the same name.
4356
4357         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
4358         (expand_unop): Use them.
4359
4360 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
4361
4362         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
4363         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
4364         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
4365         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
4366         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
4367         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
4368         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
4369         assembler dialect choice from asm templates.
4370
4371 2007-02-12  Richard Henderson  <rth@redhat.com>
4372
4373         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
4374         (fixuns_trunc<SSEMODEF>si2): Use it.
4375         * config/i386/sse.md (vec_setv4sf_0): Export.
4376         * config/i386/i386.c (ix86_build_const_vector): Export.
4377         (ix86_split_convert_uns_si_sse): Rename from
4378         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
4379         * config/i386/i386-protos.h: Update.
4380
4381 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4382
4383         PR c/29521
4384         * c-typeck.c (c_finish_return): Improve warning message.
4385
4386 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4387
4388         * alias.c (find_symbolic_term): Delete unused function.
4389
4390 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
4391
4392         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
4393         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
4394         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
4395
4396 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4397
4398         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
4399         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
4400         the function, temporarily point the debug interface to the null one.
4401
4402 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4403
4404         * dwarf2out.c (round_up_to_align): New static function.
4405         (field_byte_offset): Use it to round the offset.
4406
4407 2007-02-12  Richard Henderson  <rth@redhat.com>
4408
4409         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
4410         (inswl_const): Export.
4411
4412 2007-02-12  Richard Henderson  <rth@redhat.com>
4413
4414         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
4415         result mode of the libcall, convert back to outmode.
4416
4417 2007-02-12  Roger Sayle  <roger@eyesopen.com>
4418
4419         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
4420         (bswapdi2): New define_expand to implement 32-bit implementation.
4421
4422 2007-02-12  Nick Clifton  <nickc@redhat.com>
4423
4424         * doc/invoke.texi (Overall Options): Document --help=.
4425         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
4426         (cc1_options): Pass --help= on to cc1.
4427         (display_help): Add description of --help=.
4428         (process_command): Add code to handle --help=.  Allow translated
4429         --help and --target-help switches to be passed on to compiler
4430         sub-process.
4431         (main): Remove unused if statement.
4432         * opts.c (columns): Remove.
4433         (LEFT_COLUMN): Define.
4434         (wrap_help): Add columns argument.
4435         (print_filtered_help): Change parameters to be an include bitmask,
4436         an exclude bitmask, an any bitmask and the column width.  Move the
4437         code to display the params list here.  Add code to display the
4438         status of options rather than their descriptions if the quiet flag
4439         is not active.
4440         (print_specific_help): Change parameters to be an include bitmask,
4441         an exclude bitmask and an any bitmask.  Move code to look up the
4442         column width here.  Decide upon the title for an options listing.
4443         (common_handle_options): Add code to handle --help=.  Adapt code
4444         for --help and --target-help to use the revised form of the
4445         print_specific_help function.
4446         (print_help): Delete.
4447         (print_param_help): Delete.
4448         (print_switch): Delete.
4449         * opts.h (cl_lang_count): Add prototype.
4450         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
4451         CL_MAX_OPTION_CLASS): New defines.
4452         * optc-gen.awk: Add construction of cl_lang_count.
4453         * c.opt: Add Warning attribute to warning options and Optimization
4454         attribute to optimization options.
4455         * common.opt: Likewise.
4456         Add --help=.
4457         Add -fhelp and -ftarget-help as aliases for the transformed --help
4458         and --target-help options.
4459         * opt-functions.awk: Add code to handle Warning and Optimization
4460         attributes.
4461
4462 2007-02-12  Richard Henderson  <rth@redhat.com>
4463
4464         * config/alpha/constraints.md: New file.
4465         * config/alpha/alpha.c: Include tm-constrs.h.
4466         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
4467         alpha_extra_constraint): Remove.
4468         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
4469         * config/alpha/alpha-protos.h: Update.
4470         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
4471         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
4472         (EXTRA_CONSTRAINT): Remove.
4473         * config/alpha/alpha.md: Include constraints.md.
4474         (adddi splitter): Use satisfies_constraint_*.
4475         * config/alpha/predicates.md (add_operand): Likewise.
4476         (sext_add_operand, addition_operation): Likewise.
4477
4478 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
4479
4480         PR tree-optimization/29145
4481         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
4482         in our handling of restrict qualified pointers.
4483
4484 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4485
4486         PR middle-end/7651
4487         * doc/invoke.texi (Wunused-value): Update description.
4488         (Wextra): Delete item.
4489         * opts.c (set_Wextra): Don't use the value of Wextra to set the
4490         value of Wunused-value.
4491         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
4492         (c_finish_stmt_expr): Don't check extra_warnings.
4493         (emit_side_effect_warnings): The caller is responsible to check
4494         warn_unused_value.
4495
4496 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4497             Matt Thomas  <matt@3am-software.com>
4498
4499         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
4500
4501 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4502
4503         * simplify-rtx.c (simplify_relational_operation_1): Optimize
4504         comparisons of POPCOUNT against zero.
4505         (simplify_const_relational_operation): Likewise.
4506
4507 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4508
4509         * doc/invoke.texi (Wextra): Delete outdated paragraph.
4510
4511 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4512
4513         * dwarf2out.c (root_type): Delete unused function.
4514
4515 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4516
4517         * genattrtab.c (contained_in_p): Delete unused function.
4518         (write_expr_attr_cache): Likewise.
4519
4520 2007-02-11  Jan Hubicka  <jh@suse.cz>
4521
4522         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
4523         previous patch.
4524
4525 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
4526
4527         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
4528         to add the REG_EQ* note.
4529         * see.c (see_merge_one_use_extension): Likewise.
4530         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
4531         turn REG_EQUAL notes into REG_EQUIV notes if the target
4532         register may have more than one set.
4533         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
4534         * gcse.c (try_replace_reg): Likewise.
4535         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
4536         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
4537         more than one REG_EQUIV note.
4538         * reload1.c (gen_reload): Use set_unique_reg_note.
4539
4540 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
4541
4542         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
4543         (ix86_builtin_conversion): New function.
4544
4545 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
4546
4547         PR target/29487
4548         * tree.h (DECL_REPLACEABLE_P): New macro.
4549         * except.c (set_nothrow_function_flags): Likewise.
4550
4551 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
4552             Ira Rosen  <irar@il.ibm.com>
4553             Dorit Nuzman  <dorit@il.ibm.com>
4554
4555         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
4556         * targhooks.c (default_builtin_vectorized_conversion): New.
4557         * targhooks.h (default_builtin_vectorized_function): New declaration.
4558         * target.h (struct vectorize): Add builtin_conversion field.
4559         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
4560         stmt_vec_info_type value.
4561         (vectorizable_conversion): New declaration.
4562         * tree-vect-analyze.c (vect_analyze_operations): Add
4563         vectorizable_conversion call.
4564         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
4565         * tree-vect-transform.c (vectorizable_conversion): New function.
4566         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
4567         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4568         mode.
4569         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
4570         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
4571         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
4572         or ALTIVEC_BUILTIN_VCFSX.
4573
4574 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4575
4576         PR target/30634
4577         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
4578         CONST_DOUBLE and operand 0 is a hard register.
4579         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
4580         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
4581         is a hard floating-point register.
4582
4583 2007-02-10  Richard Henderson  <rth@redhat.com>
4584             Jakub Jelinek  <jakub@redhat.com>
4585             Alexandre Oliva  <aoliva@redhat.com>
4586
4587         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
4588         * builtin-types.def (BT_WORD): Make unsigned.
4589         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4590         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4591         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4592         * c-decl.c (grokdeclarator): Don't error if !have_tls.
4593         * c-parser.c (c_parser_omp_threadprivate): Likewise.
4594         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4595         emulated tls.
4596         * expr.c (emutls_var_address): New.
4597         (expand_expr_real_1): Expand emulated tls.
4598         (expand_expr_addr_expr_1): Likewise.
4599         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4600         * output.h (emutls_finish): Declare.
4601         * toplev.c (compile_file): Call it.
4602         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4603         address before wrapping in CONST.
4604         * varasm.c (emutls_htab, emutls_object_type): New.
4605         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4606         (get_emutls_object_name, get_emutls_object_type): New.
4607         (get_emutls_init_templ_addr, emutls_decl): New.
4608         (emutls_common_1, emutls_finish): New.
4609         (assemble_variable): When emulating tls, swap decls; generate
4610         constructor for the emutls objects.
4611         (do_assemble_alias): When emulating tls, swap decl and target name.
4612         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4613         for emulated tls.
4614         * varpool.c (decide_is_variable_needed): Look at force_output.
4615         Recurse for emulated tls.
4616         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
4617         with decide_is_variable_needed.
4618         * emutls.c: New file.
4619         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4620         tls_object for real tls.
4621
4622 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4623
4624         PR rtl-optimization/29599
4625         * reload1.c (eliminate_regs_in_insn): Take the destination
4626         mode into account when computing the offset.
4627
4628 2007-02-09  Stuart Hastings  <stuart@apple.com>
4629             Richard Henderson  <rth@redhat.com>
4630
4631         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4632         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4633         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
4634         fixuns_truncdfhi2): New.
4635         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
4636         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
4637         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
4638         (floatunssidf2): Allow nonimmediate source.
4639         * gcc/config/i386/sse.md (movdi_to_sse): New.
4640         (vec_concatv2di): Drop '*'.
4641         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
4642         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4643         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
4644         New.
4645         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
4646         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4647         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
4648         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
4649         (ix86_build_signbit_mask): Fix decl of v, refactor to call
4650         ix86_build_const_vector.
4651         (x86_emit_floatuns): Rewrite.
4652
4653 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4654
4655         * genautomata.c (longest_path_length): Delete unused function.
4656         (struct state): Delete unused longest_path_length.
4657         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
4658         (get_free_state): Delete unused.
4659
4660 2007-02-09  Jan Hubicka  <jh@suse.cz>
4661
4662         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
4663         * doc/invoke.texi (inline-unit-growth): Update default value.
4664
4665         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
4666         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
4667         (rebuild_cgraph_edges): Likewise.
4668         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
4669         (dump_cgraph_node): Dump frequencies.
4670         (cgraph_clone_edge): Add frequency scales.
4671         (cgraph_clone_node): Add freuqnecy.
4672         * cgraph.h (cgraph_edge): Add freuqnecy argument.
4673         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
4674         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
4675         * tree-pass.h (TODO_rebuild_frequencies): New constant.
4676         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
4677         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
4678         (save_inline_function_body): Likewise.
4679         * ipa-inline.c: inluce rtl.h
4680         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
4681         (cgraph_edge_badness): Use frequencies.
4682         (cgraph_decide_recursive_inlining): Update clonning.
4683         (cgraph_decide_inlining_of_small_function): Dump frequency.
4684         * predict.c (estimate_bb_frequencies): Export.
4685         * predict.h (estimate_bb_frequencies): Declare.
4686         * tree-inline.c (copy_bb): Watch overflows.
4687         (expand_call_inline): Update call of cgraph_create_edge.
4688         (optimize_inline_calls): Use TODO flags to update frequnecies.
4689         * passes.h: Include predict.h
4690         (init_optimization_passes): Move profile ahead.
4691         (execute_function_todo): Handle TODO_rebuild_frequencies.
4692
4693 2007-02-09  Roger Sayle  <roger@eyesopen.com>
4694
4695         * config/alpha/alpha.c (emit_insxl): Force the first operand of
4696         the insbl or inswl pattern into a register.
4697
4698 2007-02-09  Roger Sayle  <roger@eyesopen.com>
4699
4700         * config/ia64/ia64.md (bswapdi2): New define_insn.
4701
4702 2007-02-09  Richard Henderson  <rth@redhat.com>
4703
4704         * config/i386/constraints.md (Ym): New constraint.
4705         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
4706         (movdi_1_rex64): Split sse and xmm general register moves from
4707         memory move alternatives.  Use conditional register constraints.
4708         (movsf_1, movdf_integer): Likewise.
4709         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4710         (movdf_integer_rex64): New.
4711         (pushsf_rex64): Fix output constraints.
4712         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
4713         (sse2_stored): Likewise.
4714         (sse2_storeq_rex64): New.
4715         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
4716         amd and not generic.
4717         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
4718         for optimize_size.  Remove SF/DFmode hack.
4719
4720 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4721
4722         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
4723         (bit_SSE4a): New.
4724
4725 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
4726             Richard Sandiford  <richard@codesourcery.com>
4727
4728         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
4729         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
4730         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
4731         m68k/t-mlib to tmake_file.
4732         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
4733         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
4734         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
4735         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
4736         variable is not empty, add t-$m68k_arch_family to tmake_file.
4737         Add t-mlibs to tmake_file.
4738         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
4739         * config/m68k/t-cf: New file.
4740         * config/m68k/t-m68k: Likewise.
4741         * config/m68k/t-mlibs: Likewise.
4742         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4743         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4744         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4745         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4746         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
4747         Delete.
4748         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
4749         (INSTALL_LIBGCC): Delete.
4750         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4751         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4752         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4753         (M68K_MLIB_CPU): Define.
4754         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4755         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4756         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
4757
4758 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
4759             Richard Guenther  <rguenther@suse.de>
4760
4761         PR middle-end/23361
4762         * fold-const.c (fold_comparison): Handle obfuscated comparisons
4763         against INT_MIN/INT_MAX.
4764         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
4765         file if a loop is removed.
4766
4767 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
4768
4769         * calls.c (store_one_arg): Pass correct alignment to
4770         emit_push_insn for non-BLKmode values.
4771         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
4772         unaligned stack slot via a suitably aligned slot.
4773
4774 2007-02-08  DJ Delorie  <dj@redhat.com>
4775
4776         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
4777         warnings.
4778         (legal_subregs): Use unsigned char, make const.
4779         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
4780
4781 2007-02-08  Paul Brook  <paul@codesourcery.com>
4782
4783         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
4784         special interworking needed.
4785
4786 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
4787
4788         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
4789         conditional to __SSE2__.
4790         (Entries below should have been added to first ChangeLog
4791         entry for amdfam10 dated 2007-02-05)
4792         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
4793         defined.
4794         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
4795         defined.
4796         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
4797         defined.
4798
4799 2007-02-08  DJ Delorie  <dj@redhat.com>
4800
4801         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
4802         * config/m32c/m32c.c (legal_subregs): New.
4803         (m32c_illegal_subreg_p): New.
4804         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
4805         unsupported subregs of hard regs.
4806
4807 2007-02-08  Jan Hubicka  <jh@suse.cz>
4808
4809         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
4810         the same one; always update histograms.
4811
4812 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
4813
4814         * passes.c (init_optimization_passes): Tidy comment.
4815
4816 2007-02-08  Roger Sayle  <roger@eyesopen.com>
4817
4818         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
4819         strip zero_extend, bswap and rotates from POCOUNT's argument.
4820         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
4821         zero_extend and rotates from PARITY's argument.
4822         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
4823         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
4824         of an integer constant at compile-time.
4825
4826 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
4827
4828         PR 30562
4829         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
4830         Update all users.
4831         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
4832         users.
4833         (init_alias_info):
4834         * tree-ssa-live.c (remove_unused_locals): Do not remove
4835         TREE_ADDRESSABLE variables.
4836         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
4837         * tree-ssa-operands.c (add_virtual_operand): Remove argument
4838         FOR_CLOBBER.  Update all users.
4839         If VAR has an associated alias set, add a virtual operand for
4840         it if no alias is found to conflict with the memory reference.
4841
4842 2007-02-07  Jan Hubicka  <jh@suse.cz>
4843             Robert Kidd <rkidd@crhc.uiuc.edu>
4844
4845         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
4846
4847 2007-02-07  Ian Lance Taylor  <iant@google.com>
4848
4849         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
4850
4851 2007-02-07  Roger Sayle  <roger@eyesopen.com>
4852
4853         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
4854         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
4855         tablejumpdi, movsi_to_cr_one): Remove constraints from
4856         define_expand's match_operands.
4857
4858 2007-02-07  Roger Sayle  <roger@eyesopen.com>
4859
4860         * global.c (compute_regsets): Move declatation of "i" inside of
4861         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
4862
4863 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
4864
4865         PR c++/30703
4866         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
4867         of INDIRECT_REF <RESULT_DECL>.
4868
4869         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
4870
4871 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
4872             Kaz Kojima  <kkojima@gcc.gnu.org>
4873
4874         PR target/29746
4875         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
4876         properly.
4877         (sh_initialize_trampoline): Add parentheses to avoid a warning.
4878
4879 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
4880
4881         * doc/loop.texi: Document possibility not to perform disambiguation
4882         of loops with multiple latches.
4883         * cfgloopmanip.c (alp_enum_p): Removed.
4884         (add_loop): Handle subloops.  Use get_loop_body_with_size.
4885         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
4886         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
4887         the new forwarder block.
4888         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
4889         Handle the case latch is NULL.
4890         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
4891         when marking loop exits.
4892         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
4893         be modified.
4894         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
4895         disambiguate_loops_with_multiple_latches.
4896         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
4897         before fix_loop_structure.
4898         * cfgloop.c: Include pointer-set.h and output.h.
4899         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
4900         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
4901         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
4902         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
4903         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
4904         disambiguate_multiple_latches, get_loop_body_with_size,
4905         disambiguate_loops_with_multiple_latches): New functions.
4906         (flow_loop_dump): Dump multiple latch edges.
4907         (flow_loop_nodes_find): Handle loops with multiple latches.
4908         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
4909         (glb_enum_p): Modified.
4910         (get_loop_body): Use get_loop_body_with_size.
4911         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
4912         (AVOID_CFG_MODIFICATIONS): New constant.
4913         (disambiguate_loops_with_multiple_latches, add_loop,
4914         get_loop_body_with_size): Declare.
4915         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
4916
4917 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
4918
4919         PR inline-asm/28686
4920         * global.c (compute_regsets): New function.
4921         (global_alloc): Refactored ELIMINABLE_REGSET
4922         and NO_GLOBAL_ALLOC_REGS computation out.
4923         (rest_of_handle_global_alloc): Call compute_regsets()
4924         for non-optimizing case.
4925
4926 2007-02-06  Richard Henderson  <rth@redhat.com>
4927
4928         * config/i386/constraints.md (Y2): Rename from Y.
4929         (Yi): New constraint.
4930         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
4931         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
4932         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
4933         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
4934         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
4935         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
4936         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
4937         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
4938         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
4939         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
4940         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
4941         vec_extractv2si_1): Change Y constraints to Y2.
4942         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
4943         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
4944         Change Y constraints to Y2.
4945         (sse2_loadld): Change Y constraints to x.
4946
4947 2007-02-06  Roger Sayle  <roger@eyesopen.com>
4948
4949         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
4950         (parity<mode>2): New define_expand using rs6000_emit_parity.
4951         * config/rs6000/rs6000.c (rs6000_emit_popcount,
4952         rs6000_emit_parity): New functions.
4953         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
4954         rs6000_emit_parity): Prototype here.
4955
4956 2007-02-06  Ian Lance Taylor  <iant@google.com>
4957
4958         * lower-subreg.c (simple_move_operand): Reject CONST.
4959         (resolve_clobber): Call validate_change rather than directly
4960         assigning to XEXP (pat, 0).
4961
4962 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
4963
4964         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
4965         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
4966         (tree-cfg.o): Remove hashtab.h dependency.
4967
4968         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
4969         (struct ivopts_data): Change niters to pointer_map_t.
4970         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
4971         (niter_for_exit): Create pointer_map on demand.  Change for
4972         pointer_map API.
4973         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
4974         (free_loop_data): Destroy data->niters if created and reset field.
4975         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
4976         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
4977
4978         * tree-ssa-reassoc.c: Include pointer-set.h.
4979         (bb_rank): Change to long *.
4980         (operand_rank): Change to pointer_map_t.
4981         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
4982         (insert_operand_rank): Accept long.
4983         (operand_entry_hash, operand_entry_eq): Remove.
4984         (get_rank): Return long.  Adjust for changes above.
4985         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
4986         and operand_rank.
4987         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
4988
4989         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
4990         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
4991         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
4992         is not NULL.
4993         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
4994         directly since it cannot be NULL.
4995         (get_vi_for_tree): Rewrite for pointer_map API.
4996         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
4997         (init_alias_vars): Create vi_for_tree as pointer_map.
4998         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
4999
5000         * tree-cfg.c: Don't include hashtab.h.
5001         (edge_to_cases): Declare as pointer_map.
5002         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
5003         Delete.
5004         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
5005         (start_recording_case_labels): Create edge_to_cases as pointer_map.
5006         (end_recoding_case_labels): Cleanup edge_to_cases manually before
5007         destroying it.
5008         (record_switch_edge): Delete.
5009         (get_cases_for_edge): Adjust for pointer_map API, inline
5010         record_switch_edge (rewritten for new API), remove goto.
5011
5012 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5013
5014         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
5015         * tree-nested.c: Include pointer-set.h.
5016         (var_map_elt, var_map_eq, var_map_hash): Delete.
5017         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
5018         to pointer_map_t's.
5019         (nesting_info_bitmap_obstack): New.
5020         (lookup_field_for_decl): Adjust for pointer_map API.
5021         (lookup_tramp_for_decl): Adjust for pointer_map API.
5022         (get_nonlocal_debug_decl): Adjust for pointer_map API.
5023         (get_local_debug_decl): Adjust for pointer_map API.
5024         (convert_nl_goto_reference): Adjust for pointer_map API.
5025         (convert_nl_goto_receiver): Adjust for pointer_map API.
5026         (create_nesting_tree): Create outside GGC space.  Create bitmap on
5027         the new obstack.  Create field_map and var_map as pointer_maps.
5028         (free_nesting_tree): Adjust for changes to create_nesting_tree.
5029         (root): Delete.
5030         (lower_nested_functions): Move root here, no need to NULL it.
5031         Initialize and release the obstack.
5032
5033 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
5034
5035         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
5036         Remove prototypes and make them non-static.
5037         (struct tree_int_map): Remove.
5038         * tree.h (struct tree_int_map): Move here, turning TO into an
5039         unsigned int.
5040         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
5041
5042         * tree.h (TREE_COMPLEXITY): Remove.
5043         (struct tree_exp): Remove complexity field.
5044         * tree.c (build1_stat): Don't set it.
5045
5046 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
5047             Victor Kaplansky  <victork@il.ibm.com>
5048
5049         * tree-vectorizer.c (vect_is_simple_use): Support induction.
5050         (vect_is_simple_reduction): Support reduction with induction as
5051         one of the operands.
5052         (vect_is_simple_iv_evolution): Fix formatting.
5053         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
5054         formatting.  Don't mark induction phis for vectorization.
5055         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
5056         * tree-vect-transform.c (get_initial_def_for_induction): New function.
5057         (vect_get_vec_def_for_operand): Support induction.
5058         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
5059         induction case.
5060         (vectorizable_reduction): Support reduction with induction as one of
5061         the operands.
5062         (vectorizable_type_demotion): Use def-type of stmt argument rather
5063         than dummy def-type.
5064
5065         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
5066         flag_tree_scev_cprop.
5067         * common.opt (tree-scev-cprop): New flag.
5068
5069         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
5070         call to vect_get_new_vect_var.
5071
5072 2007-02-06  Ira Rosen  <irar@il.ibm.com>
5073
5074         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
5075         vectype is not NULL.
5076         (vect_pattern_recog_1): Likewise.
5077
5078 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5079
5080         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
5081         (fold_negate_expr): Likewise.
5082
5083 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
5084
5085         PR debug/30189
5086         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
5087         even if cv-qualification is the same.
5088
5089 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
5090
5091         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
5092         __enable_execute_stack on completion.
5093
5094 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5095
5096         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
5097         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
5098         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
5099         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
5100         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
5101         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
5102         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
5103         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
5104
5105 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5106
5107         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
5108         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
5109         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
5110         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
5111         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
5112         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
5113         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
5114         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
5115         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
5116         umuldi3_highpart_rex64, umulsi3_highpart_insn,
5117         umulsi3_highpart_zext, smuldi3_highpart_rex64,
5118         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
5119         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
5120         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
5121         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
5122         sqrtextenddfxf2_i387): Added amdfam10_decode.
5123
5124         * config/i386/athlon.md (athlon_idirect_amdfam10,
5125         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
5126         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
5127         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
5128         athlon_ivector_store_amdfam10): New define_insn_reservation.
5129         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
5130         amdfam10.
5131
5132 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5133
5134         * config/i386/athlon.md (athlon_call_amdfam10,
5135         athlon_pop_amdfam10, athlon_lea_amdfam10): New
5136         define_insn_reservation.
5137         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
5138         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
5139         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
5140
5141 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5142
5143         * config/i386/athlon.md (athlon_sseld_amdfam10,
5144         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
5145         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
5146
5147 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5148
5149         * config/i386/athlon.md (athlon_sseins_amdfam10): New
5150         define_insn_reservation.
5151         * config/i386/i386.md (sseins): Added sseins to define_attr type
5152         and define_attr unit.
5153         * config/i386/sse.md: Set type attribute to sseins for insertq
5154         and insertqi.
5155
5156 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5157
5158         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
5159         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
5160         ssecomi_load_amdfam10, ssecomi_amdfam10,
5161         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
5162         define_insn_reservation.
5163         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
5164
5165 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5166
5167         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
5168         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
5169         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
5170         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
5171         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
5172         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
5173         define_insn_reservation.
5174
5175         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
5176         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
5177         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
5178         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
5179         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
5180
5181 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5182
5183         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
5184         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
5185         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
5186         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
5187         athlon_ssemul_load_k8): Added amdfam10.
5188
5189 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5190
5191         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
5192         (x86_sse_unaligned_move_optimal): New variable.
5193
5194         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
5195         m_AMDFAM10.
5196         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
5197         for unaligned vector SSE double/single precision loads for AMDFAM10.
5198
5199 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5200
5201         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
5202         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
5203         Define TARGET_CPU_DEFAULT_amdfam10.
5204         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
5205         (processor_type): Add PROCESSOR_AMDFAM10.
5206
5207         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
5208         processor_type in config/i386/i386.h.
5209         Enable imul peepholes for TARGET_AMDFAM10.
5210
5211         * config.gcc: Add support for --with-cpu option for amdfam10.
5212
5213         * config/i386/i386.c (amdfam10_cost): New variable.
5214         (m_AMDFAM10): New macro.
5215         (m_ATHLON_K8_AMDFAM10): New macro.
5216         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
5217         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
5218         x86_promote_QImode, x86_integer_DFmode_moves,
5219         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5220         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
5221         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
5222         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
5223         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
5224         Enable/disable for amdfam10.
5225         (override_options): Add amdfam10_cost to processor_target_table.
5226         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
5227         processor_alias_table.
5228         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
5229         (ix86_adjust_cost): Add code for amdfam10.
5230
5231 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5232
5233         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
5234         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
5235         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
5236         * config/i386/i386.h: Add builtin definition for SSE4A.
5237         * config/i386/i386.md: Add support for ABM instructions
5238         (popcnt and lzcnt).
5239         * config/i386/sse.md: Add support for SSE4A instructions
5240         (movntss, movntsd, extrq, insertq).
5241         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
5242         Add -march=amdfam10 flag.
5243         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
5244         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
5245         and amdfam10.
5246         * doc/extend.texi: Add documentation for SSE4A builtins.
5247
5248 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
5249
5250         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
5251
5252 2007-02-05  Richard Guenther  <rguenther@suse.de>
5253
5254         * tree-vectorizer.h (vectorizable_function): Add argument type
5255         argument, change return type.
5256         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
5257         * tree-vect-transform.c (vectorizable_function): Handle extra
5258         argument, return vectorized function decl.
5259         (build_vectorized_function_call): Remove.
5260         (vectorizable_call): Handle calls with result and argument types
5261         differing.  Handle loop vectorization factor correctly.
5262         * targhooks.c (default_builtin_vectorized_function): Adjust for
5263         extra argument.
5264         * targhooks.h (default_builtin_vectorized_function): Likewise.
5265         * target.h (builtin_vectorized_function): Add argument type
5266         argument.
5267         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
5268         extra argument, allow vectorizing of lrintf.
5269         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
5270         documentation of target hook.
5271
5272 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
5273
5274         PR target/30665
5275         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
5276         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
5277         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
5278
5279 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5280
5281         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
5282         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
5283         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
5284         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
5285         before canonicalizing sincos to cexpi.
5286         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
5287
5288 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5289
5290         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
5291         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
5292         (alpha_init_builtins): Use alpha_add_builtins to process tables.
5293
5294 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5295
5296         * mips-tfile.c (initialize_init_file): Correct endianness test.
5297
5298 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
5299
5300         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
5301         the 'y' constraint.
5302
5303 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5304
5305         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
5306         saves in a PARALLEL before the register assignments.
5307
5308 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5309
5310         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
5311         DWARF_FRAME_RETURN_COLUMN to be a general register.
5312         * dwarf2out.c (init_return_column_size): New function, split from...
5313         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
5314         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
5315         to be nongeneral registers.
5316         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
5317         integer registers.
5318         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
5319         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
5320
5321 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5322
5323         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
5324
5325 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5326
5327         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
5328         (remove_path): Use can_remove_branch_p and remove_branch instead
5329         of loop_delete_branch_edge.
5330         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
5331         (tree_transform_and_unroll_loop): Remove dead branches immediately.
5332         Update profile using scale_dominated_blocks_in_loop.
5333         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
5334         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
5335         (can_remove_branch_p, remove_branch): Declare.
5336         * tree-cfg.c (tree_can_remove_branch_p): New function.
5337         (tree_cfg_hooks): Add tree_can_remove_branch_p.
5338         * cfgrtl.c (rtl_can_remove_branch_p): New function.
5339         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
5340
5341 2007-02-05  Jan Hubicka  <jh@suse.cz>
5342
5343         PR middle-end/30696
5344         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
5345         nodes in cgraph, don't remove offline copy of the function.
5346
5347 2007-02-04  Jan Hubicka  <jh@suse.cz>
5348
5349         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
5350         vectors might cause maybe_lookup_element_for_expr to be called
5351         on non-sra-candidate.
5352
5353 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5354
5355         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
5356         config/bfin/bfin.md, config/bfin/predicates.md: Follow
5357         spelling conventions.
5358
5359 2007-02-04  Richard Guenther  <rguenther@suse.de>
5360
5361         PR middle-end/30636
5362         * fold-const.c (try_move_mult_to_index): Make sure to not
5363         overflow one dimension of a multi-dimensional array access.
5364
5365 2007-02-04  Jan Hubicka  <jh@suse.cz>
5366
5367         * passes.c (init_optimization_passes): Reindent.
5368
5369 2007-02-04  Jan Hubicka  <jh@suse.cz>
5370             Eric Botcazou  <ebotcazou@adacore.com>
5371
5372         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
5373         (execute_fixup_cfg): Break out the abnormal goto code.
5374         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
5375         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
5376         (optimize_inline_calls): Call make_nonlocal_label_edges.
5377
5378 2007-02-04  Jan Hubicka  <jh@suse.cz>
5379
5380         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
5381         true when something was changed.
5382         (rename_ssa_copies): When something was changed, do
5383         TODO_remove_unused_locals.
5384         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5385         add TODO_remove_unused_locals when instruction was removed.
5386
5387 2007-02-04  Jan Hubicka  <jh@suse.cz>
5388
5389         * ipa-inline.c (try_inline): Improve debug output; work on already
5390         inline edges too.
5391         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
5392         call try_inline for already inlined edges too when flattening;
5393         inline also functions that make callee growth but overall unit size
5394         reduce.
5395
5396 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5397
5398         * config/m32c/bitops.md, config/m32c/jump.md,
5399         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
5400         config/m32r/m32r.h, config/m32r/m32r.md,
5401         config/m32r/predicates.md, config/m68hc11/larith.asm,
5402         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
5403         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
5404         config/mips/mips-protos.h, config/mips/mips.c,
5405         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
5406         config/mn10300/mn10300.h, config/mn10300/predicates.md,
5407         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
5408         spelling conventions.
5409
5410         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
5411         Follow spelling conventions.
5412
5413 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
5414
5415         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
5416         warn about C++0x compatibility.
5417
5418 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5419
5420         * config/h8300/h8300.c, config/h8300/h8300.h,
5421         config/h8300/h8300.md: Follow spelling conventions.
5422
5423 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
5424
5425         PR middle-end/30667
5426         * combine.c (try_combine): Do not substitute source operand
5427         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
5428
5429 2007-02-03  Jan Hubicka  <jh@suse.cz>
5430
5431         PR gcov-profile/30650
5432         * value-prof.c (stringop_block_profile): Fix handling of size counter;
5433         do not divide by zero for never executed counters.
5434         (tree_find_values_to_profile): Fix counters.
5435         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
5436
5437 2007-02-03  Ian Lance Taylor  <iant@google.com>
5438
5439         * lower-subreg.c (simple_move_operand): New static function,
5440         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
5441         operands.
5442         (simple_move): Call simple_move_operand.
5443         (find_decomposable_subregs): Add special handling of MEMs.
5444         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
5445         meaning of return value.  If we see a hard register, test whether
5446         it can store a word_mode value.  Change all callers.
5447
5448 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5449
5450         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
5451         ftrapv insns and expanders.
5452         (subdi3): Change define_expand operand 1 to arith11_operand, and
5453         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
5454         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
5455         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
5456         respectively.
5457
5458         PR middle-end/30174
5459         * varasm.c (notice_global_symbol): Treat global objects as weak when
5460         flag_shlib is true.
5461
5462 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5463
5464         * emit-rtl.c (dconstpi): Delete.
5465         (dconstsqrt2): New.
5466         (init_emit_once): Delete dconstpi and init dconstsqrt2.
5467         * real.h (dconstpi): Delete.
5468         (dconstsqrt2): New.
5469         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
5470         (fold_builtin_hypot): Likewise.
5471
5472 2007-02-03  Tom Tromey  <tromey@redhat.com>
5473
5474         PR driver/30246
5475         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
5476         -gcoff3, -gxcoff3, -gvms3 implies -dD.
5477
5478 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
5479
5480         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
5481         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
5482         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
5483         config/rs6000/cell.md, config/rs6000/darwin.h,
5484         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
5485         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
5486         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
5487         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
5488         typos.  Follow spelling conventions.
5489         * doc/invoke.texi: Follow spelling conventions.
5490
5491 2007-02-03  Roger Sayle  <roger@eyesopen.com>
5492
5493         * simplify-rtx.c (simplify_relational_operation_1): Implement some
5494         canonicalization transformations that attempt to simplify integer
5495         constant comparisons to become comparisons against zero.
5496
5497 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5498
5499         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
5500         fabs(x)*sqrt(2).
5501         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
5502         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
5503
5504 2007-02-02  Mike Stump  <mrs@apple.com>
5505
5506         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
5507         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
5508         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
5509         generate a branch island.
5510
5511 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
5512
5513         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
5514         (xtensa_legitimate_address_p): New.
5515         (xtensa_legitimize_address): New.
5516         (xtensa_output_addr_const_extra): New.
5517         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
5518         (BASE_REG_P): New.
5519         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
5520         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
5521         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
5522         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
5523         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
5524         (xtensa_legitimize_address): New.
5525         (xtensa_output_addr_const_extra): New.
5526
5527 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
5528
5529         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
5530
5531 2007-02-02  Ian Lance Taylor  <iant@google.com>
5532
5533         * expmed.c (expand_divmod): Add comment.
5534
5535 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
5536
5537         * emit-rtl.c (renumber_insns): Remove.
5538         * flags.h: Remove the extern for flag_renumber_insns.
5539         * rtl.h: Remove the prototype for renumber_insns.
5540         * toplev.c (flag_renumber_insns): Remove.
5541
5542 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
5543
5544         Revert for x86 darwin:
5545         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
5546
5547         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
5548         code before the following patch under TARGET_MACHO.
5549         (ix86_function_value_regno_p): Likewise.
5550
5551 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5552
5553         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
5554         COMPLEX_EXPR.
5555
5556 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5557
5558         PR target/29682
5559         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
5560         general or fp registers.  Add comments.
5561         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
5562
5563 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
5564
5565         * pointer-set.c (insert_aux): Only return insertion slot.
5566         (pointer_set_insert): Adjust.
5567         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
5568         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
5569         pointer_map_traverse): New.
5570         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
5571         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
5572         pointer_map_contains, pointer_map_traverse): Declare.
5573
5574 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
5575
5576         PR middle-end/30473
5577         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
5578         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
5579
5580 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5581
5582         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
5583
5584         (struct _dep): New type.
5585         (dep_t): New typedef.
5586         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
5587         (DEP_STATUS): New access macro.  The macro with the same name was
5588         renamed to DEP_LINK_STATUS.
5589         (dep_init): Declare function
5590
5591         (struct _dep_link): New type.
5592         (dep_link_t): New typedef.
5593         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
5594         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
5595         (DEP_LINK_STATUS): New macro.
5596         (debug_dep_links): New debug function.
5597
5598         (struct _deps_list): New type.
5599         (deps_list_t): New typedef.
5600         (DEPS_LIST_FIRST): New access macro.
5601         (FOR_EACH_DEP_LINK): New cycle macro.
5602         (create_deps_list, free_deps_list, delete_deps_list): Declare
5603         functions.
5604         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5605         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5606         (copy_deps_list_change_con): Ditto.
5607
5608         (move_dep_link): Declare function.
5609
5610         (struct _dep_node): New type.
5611         (dep_node_t): New typedef.
5612         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
5613
5614         (struct haifa_insn_data.back_deps): New field to hold backward
5615         dependencies of the insn.
5616         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
5617         to deps_list_t.
5618         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
5619         Change its type to deps_list_t.
5620         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
5621         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
5622         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
5623
5624         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
5625
5626         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
5627
5628         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
5629         all callers.
5630         (dep_cost): Declare.
5631
5632         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
5633         (ds_to_dk, dk_to_ds): New functions.
5634
5635         (init_dep_1): New static function.
5636         (init_dep): New function.
5637         (copy_dep): New static function.
5638
5639         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
5640         functions.
5641         (detach_dep_link): New static function.
5642         (move_dep_link): New function.
5643
5644         (dep_links_consistent_p, dump_dep_links): New static functions.
5645         (debug_dep_links): New debugging function.
5646
5647         (deps_obstack, dl_obstack, dn_obstack): New static variables.
5648
5649         (alloc_deps_list, init_deps_list): New static functions.
5650         (create_deps_list): New function.
5651         (clear_deps_list): New static function.
5652         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
5653         (deps_list_consistent_p, dump_deps_list): New static functions.
5654         (debug_deps_list): New function.
5655         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
5656         functions.
5657         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
5658
5659         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
5660         use new scheduler dependencies lists.
5661         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
5662         (sched_analyze): Ditto.  Initialize dependencies lists.
5663         (add_forw_dep, compute_forward_dependences): Update to use new
5664         scheduler dependencies lists.
5665
5666         (init_dependency_caches): Init deps_obstack.
5667         (free_dependency_caches): Free deps_obstack.
5668
5669         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
5670         new scheduler dependencies lists.
5671         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
5672         (add_back_forw_dep, delete_back_forw_dep): Ditto.
5673
5674         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
5675         Update to use new scheduler dependencies lists.
5676         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
5677         (debug_dependencies): Ditto.
5678         (schedule_region): Update comments.
5679
5680         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
5681         scheduler dependencies lists.
5682         (schedule_ebb): Update comments.
5683
5684         * rtl.def (DEPS_LIST): Remove.
5685
5686         * lists.c (unused_deps_list): Remove.
5687         (free_list): Update assertions.
5688
5689         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
5690         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5691
5692         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
5693         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5694
5695         * haifa-sched.c (comments): Update.
5696         (insn_cost1): Remove.  Inline the code into insn_cost ().
5697         (insn_cost): Update to use new scheduler dependencies lists.  Move
5698         processing of the dependency cost to dep_cost ().
5699         (dep_cost): New function.  Use it instead of insn_cost () when
5700         evaluating cost of the dependency.  Use compatible interface to
5701         interact with the target.
5702         (priority): Update to use new scheduler dependencies lists.
5703         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
5704         with greater number of insns that depend on the insn.
5705         (schedule_insn): Update to use new scheduler dependencies lists.  Add
5706         code to free backward dependencies lists.  Inline and optimize code
5707         from resolve_dep () - see PR28071.
5708         (ok_for_early_queue_removal): Update to use new scheduler dependencies
5709         lists.  Update call to targetm.sched.is_costly_dependence hook.
5710
5711         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
5712         scheduler dependencies lists.
5713
5714         (resolve_dep): Remove.  Move the logic to schedule_insn ().
5715         (init_h_i_d): Initialize dependencies lists.
5716
5717         (process_insn_depend_be_in_spec): Rename to
5718         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
5719         dependencies lists.
5720         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
5721         Update to use new scheduler dependencies lists.
5722         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
5723
5724         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
5725         new scheduler dependencies lists.
5726         (build_intra_loop_deps): Ditto.
5727
5728         * target.h (struct _dep): Declare to use in
5729         gcc_target.sched.is_costly_dependence.
5730         (struct gcc_target.sched.adjust_cost): Fix typo.
5731         (struct gcc_target.sched.is_costly_dependence): Change signature to use
5732         single dep_t parameter instead of an equivalent triad.
5733         (struct gcc_target.sched.adjust_cost_2): Remove.
5734
5735         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
5736
5737         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
5738
5739         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
5740         documentation.
5741         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
5742
5743         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
5744         (REG_DEP_TRUE): Document.
5745
5746         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
5747         Change signature to correspond to the targetm.sched.adjust_cost hook.
5748         Update use in TARGET_SCHED_ADJUST_COST_2.
5749         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
5750         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
5751         new scheduler dependencies lists.
5752         (ia64_gen_check): Ditto.
5753
5754         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
5755         dependencies lists.
5756
5757         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
5758         signature to correspond to the targetm.sched.is_costly_dependence hook.
5759         (is_costly_group): Update to use new scheduler dependencies lists.
5760
5761         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
5762         instead of INSN_COST () macro.
5763
5764 2007-02-01  Ian Lance Taylor  <iant@google.com>
5765
5766         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
5767
5768 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
5769
5770         * pa.md (tp_load): Correct mfctl instruction syntax.
5771
5772 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
5773
5774         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
5775         altivec_padding_size calculation on AIX.  Improve comment, add
5776         assert to verify that it's right.
5777
5778         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
5779         64-bit.
5780
5781 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
5782
5783         PR inline-asm/28686
5784         * global.c (global_alloc): Add mising initialization of
5785         ELIMINABLE_REGSET.
5786
5787 2007-02-01  Roger Sayle  <roger@eyesopen.com>
5788
5789         * alias.c (init_alias_analysis): Correct whitespace.
5790         * bb-reorder.c (fix_edges_for_rarely_executed_code,
5791         partition_hot_cold_basic_blocks): Likewise.
5792         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
5793         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
5794         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
5795         fold_builtin_snprintf_chk, fold_builtin_printf,
5796         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
5797         do_mpfr_arg3, do_mpfr_sincos): Likewise.
5798         * cfgcleanup.c (cleanup_cfg): Likewise.
5799         * cfgexpand.c (tree_expand_cfg): Likewise.
5800         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
5801         * function.c (get_next_funcdef_no): Likewise.
5802         * gengtype.c (main): Likewise.
5803         * genmodes.c (main): Likewise.
5804         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
5805         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
5806         * ifcvt.c (noce_emit_move_insn): Likewise.
5807         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
5808         Likewise.
5809         * stor-layout.c (get_best_mode): Likewise.
5810         * tree-ssa-loop-niter.c (get_val_for): Likewise.
5811         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
5812         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
5813         perform_var_substitution, solve_graph): Likewise.
5814         * tree-vrp.c (vrp_finalize): Likewise.
5815
5816 2007-02-01  Ian Lance Taylor  <iant@google.com>
5817
5818         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
5819         high part of a paradoxical subreg, return a constant zero.
5820
5821 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
5822
5823         * toplev.c (lang_dependent_init): Call init_set_costs.
5824         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
5825
5826 2007-02-01  Richard Guenther  <rguenther@suse.de>
5827
5828         PR middle-end/30656
5829         * fold-const.c (fold_negate_expr): Allow negating a
5830         constant if overflow does not change.
5831
5832 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5833
5834         * doc/c-tree.texi (Expression trees): Improve markup.
5835         * doc/tm.texi (Register Classes, Addressing Modes)
5836         (Floating Point): Fix spacing after abbreviations.  Fix some
5837         typos.
5838
5839 2007-02-01  Ben Elliston  <bje@au.ibm.com>
5840
5841         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
5842         * doc/contrib.texi: Likewise.
5843         * doc/install.texi: Likewise.
5844
5845 2007-01-31  Richard Henderson  <rth@redhat.com>
5846             Ian Lance Taylor  <iant@google.com>
5847
5848         * lower-subreg.c: New file.
5849         * rtl.def (CONCATN): Define.
5850         * passes.c (init_optimization_passes): Add pass_lower_subreg and
5851         pass_lower_subreg2.
5852         * emit-rtl.c (update_reg_offset): New static function, broken out
5853         of gen_rtx_REG_offset.
5854         (gen_rtx_REG_offset): Call update_reg_offset.
5855         (gen_reg_rtx_offset): New function.
5856         * regclass.c: Revert patch of 2006-03-05, restoring
5857         reg_scan_update.
5858         (clear_reg_info_regno): New function.
5859         * dwarf2out.c (concatn_loc_descriptor): New static function.
5860         (loc_descriptor): Handle CONCATN.
5861         * common.opt (fsplit_wide_types): New option.
5862         * opts.c (decode_options): Set flag_split_wide_types when
5863         optimizing.
5864         * timevar.def (TV_LOWER_SUBREG): Define.
5865         * rtl.h (gen_reg_rtx_offset): Declare.
5866         (reg_scan_update): Declare.
5867         * regs.h (clear_reg_info_regno): Declare.
5868         * tree-pass.h (pass_lower_subreg): Declare.
5869         (pass_lower_subreg2): Declare.
5870         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
5871         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
5872         -fsplit-wide-types.
5873         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
5874         * Makefile.in (OBJS-common): Add lower-subreg.o.
5875         (lower-subreg.o): New target.
5876
5877 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
5878
5879         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
5880
5881 2007-01-31  Anatoly Sokolov <aesok@post.ru>
5882
5883         PR target/19087
5884         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
5885
5886 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5887
5888         PR middle-end/29335
5889         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
5890
5891 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
5892
5893         * cfgloop.h: Include vec-prim.h.
5894         (enum li_flags): Remove LI_ONLY_OLD.
5895         (loop_iterator): Changed.
5896         (fel_next, fel_init): Iterate over loop tree.
5897         (FOR_EACH_LOOP_BREAK): New macro.
5898         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
5899         FOR_EACH_LOOP.
5900         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
5901         * modulo-sched.c (sms_schedule): Ditto.
5902         * tree-vectorizer.c (vectorize_loops): Ditto.
5903         * doc/loop.texi: Update information on loop numbering and behavior of
5904         FOR_EACH_LOOP wrto new loops.
5905         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5906         add_to_evolution_1): Test nestedness of loops instead of comparing
5907         their numbers.
5908         * tree-chrec.c (chrec_fold_plus_poly_poly,
5909         chrec_fold_multiply_poly_poly, chrec_evaluate,
5910         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
5911         reset_evolution_in_loop): Ditto.
5912         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
5913
5914 2007-01-31  Dirk Mueller  <dmueller@suse.de>
5915
5916         * c-common.c (warn_about_parentheses): Separate warning about
5917         un-parenthized sequence of comparison operators from the one
5918         which is supposed to warn about x <= y <= z.
5919
5920 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
5921
5922         * optabs.h (enum optab_index): Add new OTI_isinf.
5923         (isinf_optab): Define corresponding macro.
5924         * optabs.c (init_optabs): Initialize isinf_optab.
5925         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
5926         patterns.
5927         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
5928         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
5929         using isinf_optab.
5930         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
5931         expand_builtin_interclass_mathfn.
5932         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
5933         * config/i386/i386.md (UNSPEC_FXAM): New constant.
5934         (fxam<mode>2_i387): New insn pattern.
5935         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
5936         built-in functions as x87 inline asm.
5937
5938 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
5939
5940         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
5941
5942 2007-01-30  Eric Christopher  <echristo@apple.com>
5943
5944         * config.gcc: Add geode.
5945
5946 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
5947
5948         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
5949         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
5950         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
5951         value-prof.c: Fix comment typos.
5952
5953 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5954
5955         PR c++/24745
5956         * doc/invoke.texi (Wpointer-arith): Document warning.
5957
5958 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
5959
5960         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
5961         the list of discrepancies from the draft TR.
5962
5963 2007-01-30  Dirk Mueller  <dmueller@suse.de>
5964
5965         PR c++/30601
5966         * doc/invoke.texi (-Wreturn-type): Update description to
5967         match new behavior.
5968
5969 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
5970
5971         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
5972
5973 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
5974
5975         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
5976         to handle optabs that operate on floating point input argument and
5977         output to integer output.
5978         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
5979         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
5980         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
5981         expand_builtin_interclass_mathfn ().
5982         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
5983         (ilogbsi2): Remove.
5984         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
5985         ilogbl built-in functions as x87 intrinsics.
5986
5987 2007-01-30  Richard Guenther  <rguenther@suse.de>
5988
5989         PR middle-end/27657
5990         * dwarf2out.c (reference_to_unused): Query varpool if the
5991         variable was output.
5992
5993 2007-01-30  Richard Guenther  <rguenther@suse.de>
5994
5995         PR middle-end/30313
5996         * passes.c (execute_one_pass): Reset in_gimple_form to not
5997         confuse non-unit-at-a-time mode.
5998
5999 2007-01-29  Roger Sayle  <roger@eyesopen.com>
6000             Richard Guenther  <rguenther@suse.de>
6001
6002         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
6003         avoid undefined behaviour on overflow.  Use force_fit_type_double
6004         to construct the constant with the specified TREE_OVERFLOW.
6005
6006 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6007
6008         * config/dfp-bit.c: Add parameterized support for fp exceptions.
6009         * config/dfp-bit.h: Ditto.
6010
6011 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6012
6013         * c-decl.c (pop_scope): Replace warnings with call to
6014         warn_for_unused_label.
6015         * c-common.h (warn_for_unused_label): Declare.
6016         * c-common.c (warn_for_unused_label): Define.
6017
6018 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6019
6020         * tree-optimize.c (update_inlined_to_pointers): Delete unused
6021         function.
6022
6023 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6024
6025         * Makefile.in (USER_H): Remove decfloat.h.
6026         * ginclude/decfloat.h: Delete, moving contents to ...
6027         * ginclude/float.h: Add support for decimal floating point,
6028         guarded by __STDC_WANT_DEC_FP__.
6029
6030 2007-01-29  Mike Stump  <mrs@apple.com>
6031
6032         * doc/gccint.texi (Top): Rename Loop Representation to Loop
6033         Analysis and Representation to resolve case insensitive conflict.
6034         * doc/loop.texi (Loop Analysis and Representation): Likewise.
6035
6036 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
6037
6038         * tree.h (struct tree_memory_tag): Add aliases member.
6039         (MTAG_ALIASES): New macro.
6040         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
6041         (add_may_alias): Remove pointer-set. Update for may_aliases being
6042         a bitmap.
6043         (mark_aliases_call_clobbered): Update for may_aliases being a
6044         bitmap.
6045         (compute_tag_properties): Ditto.
6046         (create_partition_for): Ditto.
6047         (compute_memory_partitions): Ditto.
6048         (dump_may_aliases_for): Ditto.
6049         (is_aliased_with): Ditto.
6050         (add_may_alias_for_new_tag): Ditto.
6051         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
6052         (compute_is_aliased): New function.
6053         (compute_may_aliases): Call compute_is_aliased).
6054         (init_alias_info): Initialize alias_bitmap_obstack.
6055         (union_alias_set_into): New function.
6056         (compute_flow_sensitive_aliasing): Use union_aliases_into.
6057         (have_common_aliases_p): Rewrite to take two bitmaps and use
6058         intersection.
6059         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
6060         Update for bitmaps.
6061         (finalize_ref_all_pointers): Update for add_may_alias changes.
6062         (new_type_alias): Ditto.
6063         * tree-flow-inline.h (may_aliases): Return a bitmap.
6064         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
6065         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
6066         may_aliases being a bitmap.
6067         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
6068         may_aliases now returns a bitmap.
6069         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
6070         being a bitmap.
6071         * tree-ssa-operands.c (add_virtual_operand): Update for
6072         may_aliases being a bitmap.
6073
6074 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
6075
6076         PR tree-optimization/30630
6077         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
6078         variable as changed.
6079
6080 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
6081
6082         PR c++/28266
6083         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
6084         expanded only once even if an error occurs.
6085
6086 2007-01-29  Ben Elliston  <bje@au.ibm.com>
6087
6088         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
6089         (__gcov_average_profiler): Likewise.
6090         (__gcov_ior_profiler): Likewise.
6091         (__gcov_merge_ior): Likewise.
6092
6093 2007-01-28  Jan Hubicka  <jh@suse.cz>
6094
6095         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
6096         * value-prof.c (stringop_block_profile): Likewise.
6097
6098 2007-01-28  Jan Hubicka  <jh@suse.cz>
6099
6100         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
6101         variant handling histograms; add wrapper.
6102         (clear_storage_via_libcall): Export.
6103         (emit_block_move_hints): Break out from ...; add histograms.
6104         (emit_block_move): ... this one.
6105         (clear_storage_hints): Break out from ...; add histograms.
6106         (clear_storage): ... this one.
6107         (set_storage_via_memset): Handle histogram.
6108         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
6109         (clear_storage_hints, clear_storage_via_libcall): Declare.
6110         (set_storage_via_setmem): Update prototype.
6111         * doc/md.texi (movmem, setmem): Document new arguments.
6112
6113         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
6114         new histograms.
6115         (stringop_block_profile): New global function.
6116         (tree_stringops_values_to_profile): Profile block size and alignment.
6117         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
6118         HIST_TYPE_IOR.
6119         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
6120         (stringop_block_profile): Declare.
6121         * builtins.c: Include value-prof.h.
6122         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
6123         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
6124         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
6125         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
6126         * profile.c (instrument_values): Add new counters.
6127         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
6128         calls.
6129         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
6130         (tree_init_edge_profiler): Build new profilers.
6131         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
6132         (pass_tree_profile): Add dump.
6133         (tree_profile_hooks): Update.
6134         * Makefile.in (LIBGCOV): Add new constants.
6135         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
6136         __gcov_ior_profiler): New.
6137         * i386.md (movmem/setmem expanders): Add new optional arguments.
6138
6139 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
6140
6141         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
6142
6143 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6144
6145         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
6146         (tree_unswitch_single_loop): Pass eni_size_weights to
6147         tree_num_loop_insns.
6148         * tree-ssa-loop-manip.c: Include tree-inline.h.
6149         (can_unroll_loop_p): Pass eni_size_weights to
6150         tree_num_loop_insns.
6151         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
6152         Pass eni_size_weights to estimate_num_insns.
6153         * tree.h (init_inline_once): Export.
6154         * toplev.c (backend_init): Call init_inline_once.
6155         * cgraphunit.c (cgraph_process_new_functions,
6156         cgraph_analyze_function): Pass eni_inlining_weights to
6157         estimate_num_insns.
6158         * ipa-inline.c (compute_inline_parameters): Ditto.
6159         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
6160         to estimate_num_insns.
6161         (try_unroll_loop_completely): Pass eni_size_weights to
6162         tree_num_loop_insns.
6163         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
6164         ot estimate_num_insns.
6165         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
6166         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
6167         * tree-inline.c (eni_inlining_weights, eni_size_weights,
6168         eni_time_weights): New variables.
6169         (init_inline_once): Initialize them.
6170         (struct eni_data): Mew.
6171         (estimate_num_insns_1, estimate_num_insns): Use weights.
6172         * tree-inline.h (struct eni_weights_d): New.
6173         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
6174         (estimate_num_insns): Declaration changed.
6175         * cfgloop.h (tree_num_loop_insns): Declaration changed.
6176         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
6177         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
6178
6179 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6180
6181         * tree-data-ref.c (conflict_fn): Assert that the number of affine
6182         relations in the conflict function is valid.
6183
6184 2007-01-27  Ian Lance Taylor  <iant@google.com>
6185
6186         * common.opt: Add fstrict-overflow.
6187         * opts.c (decode_options): Set flag_strict_overflow if -O2.
6188         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
6189         (TYPE_OVERFLOW_UNDEFINED): Define.
6190         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
6191         Replace all uses.
6192         * tree.h (TYPE_TRAP_SIGNED): Don't define.
6193         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
6194         (fold_negate_expr): Likewise.
6195         (make_range): Likewise.
6196         (extract_muldiv_1): Likewise.
6197         (maybe_canonicalize_comparison): Likewise.
6198         (fold_comparison): Likewise.
6199         (fold_binary): Likewise.
6200         (tree_expr_nonnegative_p): Likewise.
6201         (tree_expr_nonzero_p): Likewise.
6202         * tree-vrp.c (compare_values): Likewise.
6203         (extract_range_from_binary_expr): Likewise.
6204         (extract_range_from_unary_expr): Likewise.
6205         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
6206         Likewise.
6207         (nowrap_type_p): Likewise.
6208         * tree-scalar-evolution.c (simple_iv): Likewise.
6209         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
6210         (build_range_check): Likewise.
6211         (extract_muldiv_1): Likewise.
6212         (fold_comparison): Likewise.
6213         * tree-vrp.c (vrp_int_const_binop): Likewise.
6214         (extract_range_from_unary_expr): Likewise.
6215         * convert.c (convert_to_integer): Likewise.
6216         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
6217         (fold_comparison): Likewise.
6218         (fold_binary): Likewise.
6219         * optabs.c (optab_for_tree_code): Likewise.
6220         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
6221         * simplify-rtx.c (simplify_const_relational_operation): Check
6222         flag_strict_overflow and flag_trapv.
6223         (simplify_const_relational_operation): Likewise.
6224         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
6225         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
6226         -fstrict-overflow.
6227
6228 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6229
6230         * tree.c (tree_fold_gcd): Delete.
6231         * tree.h (tree_fold_gcd): Remove prototype.
6232         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
6233         test whether one constant integer is a multiple of another.  Instead
6234         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
6235         * fold-const.c (multiple_of_p):  We've determined both TOP and
6236         BOTTOM are integer constants so we can call int_const_binop directly
6237         instead of the more generic const_binop.
6238
6239 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6240
6241         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
6242         1*X check that the constant hasn't overflowed, to preserve the
6243         TREE_OVERFLOW bit.
6244         (round_up): Provide an efficient implementation when rouding-up an
6245         INTEGER_CST to a power-of-two.
6246
6247 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6248
6249         * doc/sourcebuild.texi: Add comma for clarity.
6250         * doc/extend.texi: Fix some typos.
6251         * doc/passes.texi: Likewise.
6252         * doc/cppinternals.texi: Likewise.
6253         * doc/c-tree.texi: Likewise.
6254         * doc/tree-ssa.texi: Likewise.
6255         * doc/install.texi: Likewise.
6256
6257 2007-01-27  Jan Hubicka  <jh@suse.cz>
6258
6259         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
6260         (pass_sra): Do not require alias information.
6261         * passes.c (init_optimization_passes): Add SRA
6262
6263 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
6264
6265         * tracer.c (rest_of_handle_tracer): We already cleaned
6266         up the CFG in tracer() so don't do it here again.
6267         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
6268         cleanup_cfg here, either.  And don't call renumber_insns.
6269
6270         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
6271         and BB_HEAD are in the insn stream here.  Instead make sure
6272         that BB_INSN is valid on all insns.  Also, do check here that
6273         there are no pending branch predictions...
6274         (rtl_verify_flow_info): ...instead of doing it here.  Checks
6275         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
6276         here.
6277
6278 2007-01-26  Roger Sayle  <roger@eyesopen.com>
6279
6280         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
6281         function to simplify/factorize operand order canonicalization.
6282         (ix86_fixup_binary_operands): Reorganize using the above function.
6283         (ix86_binary_operator_ok): Likewise.
6284
6285 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
6286
6287         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
6288         file scope from optimize_attrs.
6289         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
6290         up search.
6291         (optimize_attrs): Clear insn_code_values after freeing it.
6292
6293 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6294
6295         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
6296         a parts.base assignment.
6297
6298 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6299
6300         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
6301         (compute_subscript_distance, initialize_data_dependence_relation,
6302         finalize_ddr_dependent, analyze_ziv_subscript,
6303         analyze_siv_subscript_cst_affine,
6304         compute_overlap_steps_for_affine_univar,
6305         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6306         analyze_siv_subscript, analyze_miv_subscript,
6307         analyze_overlapping_iterations, subscript_dependence_tester_1,
6308         compute_self_dependence, free_dependence_relation): Work
6309         with affine_fn instead of chrecs.
6310         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
6311         common_affine_function, affine_function_base,
6312         affine_function_constant_p, affine_fn_op, affine_fn_plus,
6313         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
6314         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
6315         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
6316         (all_chrecs_equal_p): Removed.
6317         * tree-data-ref.h (affine_fn, conflict_function): New types.
6318         (struct subscript): Change type of conflicting_iterations_in_a
6319         and conflicting_iterations_in_b.
6320
6321 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
6322
6323         PR other/30182
6324         * config/pa/pa.h (TARGET_HPUX_11): New.
6325         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
6326         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
6327
6328 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
6329         Richard Guenther  <rguenther@suse.de>
6330
6331         * tree-ssa-structalias.c (solve_graph): Handle case
6332         we merged the variable to another.
6333
6334 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6335
6336         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
6337         functions.
6338
6339         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
6340         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
6341
6342 2007-01-25  DJ Delorie  <dj@redhat.com>
6343
6344         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
6345         allow changes to modes which don't fit in those registers.
6346
6347         * reload1.c (choose_reload_regs): Check for invalid subregs before
6348         computing their locations, not after.
6349
6350 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
6351
6352         PR 25127
6353         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
6354         save Altivec registers in an eh_return function.
6355         (compute_vrsave_mask): Likewise.
6356         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
6357         for saving Altivec registers.
6358         (rs6000_emit_prologue): Don't allocate stack twice in
6359         eh_return function.  Correct expected value of altivec_save_offset
6360         when using save_world.  Describe save of R0 to stack when using
6361         save_world.  Describe stack pointer adjustment when using
6362         save_world.  Remove duplicated eh_return parameter register saving.
6363         Update sp_offset variable after save_world.
6364         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
6365         darwin-world.asm.
6366         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
6367         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
6368         implies Altivec.
6369
6370 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6371
6372         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
6373
6374 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6375
6376         PR other/30182
6377         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
6378         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
6379
6380 2007-01-25  Richard Guenther  <rguenther@suse.de>
6381
6382         * doc/invoke.texi (-Wcoverage-mismatch): Document.
6383         * common.opt (-Wcoverage-mismatch): New warning option.
6384         * coverage.c (get_coverage_counts): Ignore coverage mismatch
6385         if -Wcoverage-mismatch is given.
6386
6387 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
6388
6389         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
6390         (ipcp_driver): Change to static definition.
6391         Add dumping of the ifunctions.
6392         (constant_val_insert): Remove unused parameter. Support for SSA.
6393         (ipcp_propagate_const): Support for SSA.
6394         (ipcp_profile_bb_print): Print only analyzed nodes.
6395         (ipcp_replace_map_create): Remove support for Fortran constant
6396         for now.
6397         * ipa-prop.c (ipa_method_modify_stmt,
6398         ipa_callsite_compute_param): Support for SSA.
6399         * ipa-prop.h (ipcp_driver): Remove declaration.
6400         (IS_VALID_TREE_MAP_INDEX): Add define.
6401
6402 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
6403
6404         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
6405
6406 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6407
6408         PR middle-end/30447
6409         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
6410         constant argument to cabs and do it without checking for
6411         -funsafe-math-optimizations.
6412
6413 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
6414
6415         * c-common.h (RID_FIRST_CXX0X): New.
6416         (RID_LAST_CXX0X): New.
6417         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
6418         by -Wall.
6419         * c.opt (Wc++0x-compat): New.
6420         * doc/invoke.texi (-Wc++0x-compat): Document.
6421
6422 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6423
6424         * builtins.c (fold_builtin_carg): New.
6425         (fold_builtin_1): Use it.
6426
6427 2007-01-24  Jan Hubicka  <jh@suse.cz>
6428
6429         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
6430
6431         * ipa-inline.c (initial_insns, max_insns): Delete.
6432         (compute_max_insns): New function.
6433         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
6434         of insns as base for code growth.
6435         (cgraph_decide_inlining): Make initial_insns local; do not compute
6436         max_insns.
6437         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
6438         * doc/invoke.texi (inline-unit-growth): Update docs.
6439
6440 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
6441
6442         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
6443         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
6444         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
6445         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
6446         for CPUs that have PTA_CX16 set.
6447
6448         PR middle-end/27416
6449         * gimplify.c (omp_check_private): New function.
6450         (gimplify_scan_omp_clauses): Use it for
6451         firstprivate/lastprivate/reduction.
6452
6453         PR middle-end/30494
6454         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
6455         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
6456
6457         PR middle-end/30421
6458         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
6459         If lower_lastprivate_clauses emits some statements, append them
6460         to dlist rather than body_p and to body_p append an initializer.
6461         (lower_omp_for): Adjust caller.
6462
6463 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
6464
6465         * target.h (globalize_decl_name): New.
6466         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6467         * output.h (default_globalize_decl_name): New.
6468         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
6469         globalize_label.
6470         (globalize_decl): Ditto.
6471         (default_globalize_decl_name): New.
6472         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
6473         (ia64_handle_version_id_attribute): New.
6474         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6475         (ia64_asm_output_external): Use globalize_decl_name instead
6476         of globalize_label.
6477         * doc/extend.texi (version_id): New pragma.
6478         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
6479
6480 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6481
6482         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
6483         _uleb128_t and _Unwind_SWord with _sleb128_t.
6484         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
6485         uw_frame_state_for, uw_update_context_1): Likewise.
6486         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
6487         * unwind-pe.h (read_uleb128, read_sleb128,
6488         read_encoded_value_with_base): Likewise.
6489         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
6490
6491 2007-01-24  Richard Guenther  <rguenther@suse.de>
6492
6493         * builtins.c (expand_builtin_cexpi): Get the fndecl
6494         for cexp in the correct way.
6495
6496 2007-01-24  Jan Hubicka  <jh@suse.cz>
6497
6498         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
6499
6500 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6501
6502         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
6503         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
6504         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
6505         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
6506         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
6507         __SIZEOF_PTRDIFF_T__.
6508         * doc/cpp.texi: Documentation for the new builtin macros added.
6509
6510 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
6511
6512         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
6513         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
6514         instead of operands[2] to avoid access past the end of array.
6515
6516 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
6517
6518         * reload1.c (emit_reload_insns): Pass the reload register
6519         for a non-spill output reload through forget_old_reloads_1.
6520
6521 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
6522
6523         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6524         _SOFT_DOUBLE if doubles use software floating-point.
6525         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
6526         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6527         * config/rs6000/darwin-ldouble.c: Also compile functions for
6528         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
6529         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6530         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
6531         commented-out long double override.
6532         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
6533         * config/rs6000/eabispe.h: Likewise.
6534         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
6535         long double for non-SPE.
6536         (rs6000_handle_option): Likewise.
6537         (invalid_e500_subreg): Disallow more subregs involding DImode,
6538         DFmode, TImode or TFmode.
6539         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
6540         E500 double.
6541         (legitimate_lo_sum_address_p): Also check for TFmode for E500
6542         double.
6543         (rs6000_legitimize_address): Also handle TFmode for E500 double.
6544         (rs6000_legitimize_reload_address): Also handle TFmode for E500
6545         double.
6546         (rs6000_legitimate_address): Also check for TFmode for E500
6547         double.
6548         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
6549         (spe_build_register_parallel): Handle TFmode and TCmode.
6550         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
6551         double.
6552         (function_arg): Handle TFmode and TCmode for E500 double.
6553         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
6554         in general.
6555         (print_operand): Handle TFmode and TImode for %y.
6556         (rs6000_generate_compare): Handle TFmode comparisons for E500
6557         double.
6558         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
6559         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
6560         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
6561         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
6562         TFmode for E500 double.
6563         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
6564         (floatsidf2): Enable for E500 double.
6565         (movtf_softfloat): Use rs6000_nonimmediate_operand.
6566         (extenddftf2): Change to extenddftf2_fprs.
6567         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
6568         depending on TARGET_E500_DOUBLE.
6569         (extendsftf2): Enable for E500 double.
6570         (trunctfdf2): Enable for E500 double.
6571         (trunctfsf2): Change to trunctfsf2_fprs.
6572         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
6573         depending on TARGET_E500_DOUBLE.
6574         (floatsitf2): Enable for E500 double.
6575         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
6576         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
6577         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
6578         (negtf2): Change to negtf2_internal.
6579         (negtf2): New expander.
6580         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
6581         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
6582         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
6583         (movdi_internal32): Use rs6000_nonimmediate_operand.
6584         (unnamed splitter): Likewise.
6585         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
6586         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
6587         (SPE64TF, DITI): New mode macros.
6588         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
6589         modes.
6590         (frob_tf_ti): New.
6591         (frob_<mode>_di_2): New.
6592         (frob_tf_di_8_2): New.
6593         (frob_di_df): Change to frob_di_<mode>; allow more modes.
6594         (frob_ti_tf): New.
6595         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
6596         more modes.
6597         (frob_ti_<mode>_8_2): New.
6598         (frob_ti_tf_2): New.
6599         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
6600         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
6601         TFmode.
6602         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
6603         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
6604         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
6605         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
6606         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
6607         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
6608         tsttflt_gp): New.
6609
6610 2007-01-23  Ian Lance Taylor  <iant@google.com>
6611
6612         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
6613         insn-*.o first.
6614         (OBJS-archive): Reformat, alphabetize.
6615         (OBJS): Change out_object_file to OBJS-md.
6616
6617 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
6618
6619         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
6620         JUMP_P and CALL_P predicates where applicable.
6621         * config/i386/i386.c: Ditto.
6622         * config/i386/i386.md: Ditto.
6623         * config/i386/mmx.md: Ditto.
6624         * config/i386/predicates.md: Ditto.
6625
6626 2007-01-22  Andreas Schwab  <schwab@suse.de>
6627
6628         * config/m68k/m68k.h: Fix comment.
6629
6630 2007-01-22  Jan Hubicka  <jh@suse.cz>
6631
6632         * passes.c (init_optimization_passes): Do not rerun
6633         pass_early_warn_uninitialized.
6634
6635 2007-01-22  Richard Guenther  <rguenther@suse.de>
6636
6637         PR tree-optimization/30038
6638         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
6639         function.
6640         (execute_cse_sincos_1): Likewise.
6641         (execute_cse_sincos): Likewise.
6642         (gate_cse_sincos): Likewise.
6643         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
6644         the cexpi() canonicalization of sincos().
6645         * tree-pass.h (pass_cse_sincos): Declare.
6646         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
6647
6648 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6649
6650         PR rtl-optimization/29329
6651         * combine.c (replaced_rhs_insn): Rename to i2mod.
6652         (replaced_rhs_value): Rename to i2mod_new_rhs.
6653         (i2mod_old_rhs): New global variable.
6654         (combine_instructions): Adjust for above change.  Save a copy of
6655         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
6656         note are substituted in the second instruction.
6657         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
6658         ditch the note if it pertains to the second eliminated register
6659         and this register is mentioned in i2mod_old_rhs.
6660
6661         Revert:
6662         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
6663
6664         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6665         the insn to which the note was originally attached.
6666
6667 2007-01-21  Jan Hubicka  <jh@suse.cz>
6668
6669         * ipa-inline.c (inlining_mode): Comment, move up.
6670         (cgraph_decide_inlining_incrementally): Do not perform inlining
6671         itself; fix handling of flattening of self recursive functions.
6672         (cgraph_find_cycles): Remove.
6673         (cgraph_flatten_node): Remove.
6674         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
6675         (try_inline): New function.
6676         (cgraph_early_inlining): Update call of
6677         cgraph_decide_inlining_incrementally.  Apply inlining here.
6678         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
6679
6680 2007-01-21  Dirk Mueller  <dmueller@suse.de>
6681
6682         PR bootstrap/30511
6683         * tree-vrp.c (check_array_bounds): do not warn
6684         about ADDR_EXPR's of ARRAY_REF's which are immediately
6685         used in binary expressions.
6686
6687 2007-01-21  Ira Rosen  <irar@il.ibm.com>
6688
6689         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
6690         read_write_dep and macros for its access.
6691         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
6692         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
6693         argument, call vect_check_interleaving for every independent pair of
6694         data-refs. Mark loads that access the same memory location as a store
6695         in the loop.
6696         (vect_check_dependences): Remove.
6697         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
6698         call, fix the call to vect_analyze_data_ref_dependence.
6699         (vect_analyze_data_ref_access): For statements that access the same
6700         data-ref, check that they are not stores; for loads, check that there
6701         is no store that access the same location.
6702
6703 2007-01-20  Roger Sayle  <roger@eyesopen.com>
6704             Joseph Myers  <joseph@codesourcery.com>
6705
6706         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
6707         (-fdump-rtl-stack): Likewise.
6708         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
6709         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
6710         (-mpt-fixed): Use @minus{} for minus sign.
6711         (Using Precompiled Headers): Fix under/overfull hbox.
6712
6713 2007-01-20  Jan Hubicka  <jh@suse.cz>
6714
6715         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
6716         place within annotation.
6717
6718 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6719
6720         * pa.c (output_move_double): Change array size of xoperands to 4.
6721
6722 2007-01-20  Jan Hubicka  <jh@suse.cz>
6723
6724         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
6725         as temporary.
6726
6727 2007-01-19  Ian Lance Taylor  <iant@google.com>
6728
6729         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
6730         constant to unsigned HOST_WIDE_INT before negating.
6731
6732 2007-01-19  Ian Lance Taylor  <iant@google.com>
6733
6734         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
6735         to unsigned.
6736         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
6737         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6738         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
6739         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
6740         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6741         (realloc_vdef, realloc_vuse): Change second parameter to
6742         unsigned.
6743         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
6744         fields to unsigned.
6745         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
6746         unsigned. Change x and lim locals to unsigned.
6747         (realloc_vdef, realloc_vuse): Change num_elem parameter to
6748         unsigned.
6749         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
6750         (copy_virtual_operands): Change i and n locals to unsigned.
6751
6752 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6753
6754         PR middle-end/29335
6755         * builtins.c (fold_builtin_1): Handle builtin fdim.
6756
6757 2007-01-20  Jan Hubicka  <jh@suse.cz>
6758
6759         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
6760         * tree-ssa-structalias.c (compute_points_to_sets): Do call
6761         init_alias_heapvars.
6762         (init_alias_heapvars): Initialize only when not already initialized.
6763         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
6764
6765 2007-01-19  Roger Sayle  <roger@eyesopen.com>
6766
6767         * common.opt (fsigned-zeros): New command line option.
6768         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
6769         of flag_unsafe_math_optimizations.
6770         * opts.c (set_fast_math_flags): The -ffast-math command line option
6771         implies -fno-signed-zeros.
6772         (fast_math_flags_set_p): Likewise.
6773
6774         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
6775         the documentation of -ffast-math appropriately.  Wrap long lines.
6776
6777 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
6778
6779         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
6780         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
6781
6782 2007-01-19  Tomas Bily  <tbily@suse.cz>
6783
6784         * cgraphunit.c (cgraph_finalize_function): Updating of pid
6785         * tree-profile.c:
6786         (tree_init_ic_make_global_vars): New function
6787         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
6788         (tree_gen_ic_profiler): New function
6789         (tree_gen_ic_func_profiler): New function
6790         (tree_profiling): Added calling of tree_gen_ic_func_profiler
6791         (tree_profile_hooks): Added hook for indirec/virtual calls
6792         * value-prof.c (tree_find_values_to_profile): New case for
6793         indirect calls
6794         (tree_values_to_profile): Call for determining indirect/virtual
6795         counters
6796         (tree_indirect_call_to_profile): New function
6797         (tree_ic_transform): New function
6798         (tree_ic): New function
6799         (find_func_by_pid): New function
6800         (init_pid_map): New function
6801         (tree_value_profile_transformations): Added check for
6802         indirect/virtual call transformation
6803         * value-prof.h (enum hist_type): New counter type for
6804         indirect/virtual calls
6805         (profile_hooks): Added new hook for profiling indirect/virtual
6806         calls
6807         * profile.c (instrument_values): New case for indirect/virtual
6808         call added
6809         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
6810         (GCOV_COUNTER_V_INDIR): New counter type
6811         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
6812         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
6813         call added
6814         * cgraph.c: Definition of cgraph_max_pid
6815         (cgraph_create_node): Default init of pid attribute
6816         * cgraph.h: Declaration of cgraph_max_pid
6817         (struct cgraph_node): Added pid attribute
6818         * libgcov.c (__gcov_indirect_call_profiler): New function
6819         (__gcov_one_value_profiler_body): New function
6820         (__gcov_one_value_profiler): Body was moved to
6821         __gcov_one_value_profiler_body and calls it
6822
6823 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
6824
6825         * doc/gty.texi (Options): Document the mark_hook option to GTY.
6826         * gengtype.c (write_types_data, write_func_for_structure,
6827         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
6828         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
6829         (walk_type, write_func_for_structure): Generate the mark_hook if
6830         needed.
6831
6832 2007-01-19  Jan Hubicka  <jh@suse.cz>
6833
6834         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
6835         'early' argument take inlining mode argument specifying whether to
6836         inline for size/speeed or all functions; add support for flattening;
6837         improve dumpting.
6838         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
6839
6840 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6841
6842         PR c++/17947
6843         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
6844         the name of the declared identifier.
6845
6846 2007-01-19  Dirk Mueller  <dmueller@suse.de>
6847
6848         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
6849         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
6850         duplicate evaluation.
6851
6852 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
6853
6854         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
6855         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
6856         to XFMode, use acosxf2 and truncate result to requested mode.
6857         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
6858         (asin<mode>2): Similarly, with asin expanders.
6859         (*fscalexf4_i387): Rename from *fscalexf4.
6860         (expNcorexf3): New expander.
6861         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
6862         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
6863         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
6864         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
6865         patterns for SSE math.
6866         (exp10<mode>2): Similarly, with exp10 expanders.
6867         (exp2<mode>2): Similarly, with exp2 expanders.
6868         (expm1<mode>2): Similarly, with expm1 expanders.
6869         (ldexp<mode>3): Similarly, with ldexp expanders.
6870         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
6871         Use gen_truncxf<mode>2_i387_noop to truncate result.
6872
6873 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6874
6875         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
6876         for ColdFire targets.
6877
6878 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
6879             Richard Sandiford  <richard@codesourcery.com>
6880
6881         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
6882         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
6883         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
6884         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
6885         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6886         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6887
6888 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6889
6890         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
6891         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
6892         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
6893         (*adddi_dilshr32_cf): New pattern.
6894         (adddi3, subdi3): Remove first alternatives.
6895
6896 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6897
6898         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
6899         implemented using move.l, do not use its cc result for floating-point
6900         comparisons.
6901
6902 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6903
6904         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
6905         from accepting 's' constraints if flag_pic.
6906
6907 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6908
6909         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
6910         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
6911         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
6912         condition from TARGET_68881 to TARGET_HARD_FLOAT.
6913
6914 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
6915
6916         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
6917         ColdFire alternatives.
6918         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
6919         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
6920         architectures that support ff1 instruction.
6921
6922 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6923             Julian Brown  <julian@codesourcery.com>
6924
6925         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
6926         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
6927         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
6928         Add commentary.
6929
6930 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6931
6932         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
6933         and return a bool.
6934         (output_move_const_into_data_reg, output_move_simode_const): Delete.
6935         * config/m68k/m68k.c (const_method, const_int_cost): Take a
6936         HOST_WIDE_INT instead of an rtx.
6937         (m68k_rtx_costs): Update call accordingly.
6938         (output_move_const_into_data_reg): Likewise.  Fix formatting.
6939         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
6940         Return a bool.
6941         (output_move_simode_const): Update calls after above changes.
6942         Rework to use automatic variables and predicates like MEM_P.
6943         * config/m68k/m68k.md (pushexthisi_const): Update call to
6944         valid_mov3q_const.
6945
6946 2007-01-19  Dirk Mueller  <dmueller@suse.de>
6947
6948         * tree-ssa-alias.c (perform_var_substitution): Fix typo
6949         in dump_flags test.
6950
6951 2007-01-19  Richard Guenther  <rguenther@suse.de>
6952
6953         * builtins.c (expand_builtin_cexpi): Fall back to expanding
6954         via cexp in case sincos is not available.
6955
6956 2007-01-19  Richard Guenther  <rguenther@suse.de>
6957
6958         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
6959         * defaults.h (TARGET_HAS_SINCOS): Default to off.
6960         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
6961         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
6962         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
6963         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
6964         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
6965         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
6966
6967 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
6968
6969         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
6970         New insn patterns.
6971         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
6972         (atan2xf3): Directly generate RTL pattern.
6973         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
6974         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
6975         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
6976         disable patterns for SSE math.
6977         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
6978         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
6979         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
6980         disable patterns for SSE math.
6981
6982 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
6983
6984         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
6985
6986 2007-01-18  Roger Sayle  <roger@eyesopen.com>
6987
6988         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
6989         VIEW_CONVERT_EXPR to the same type as it's operand.
6990
6991 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
6992
6993         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
6994         configured for long double 128.
6995
6996 2007-01-18  Mike Stump  <mrs@apple.com>
6997
6998         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
6999         error.
7000
7001 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
7002
7003         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
7004         type correct.
7005
7006 2007-01-18  Jan Hubicka  <jh@suse.cz>
7007
7008         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
7009         greater than NUM_VOP_FREE_BUCKETS.
7010
7011 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
7012
7013         * tree-ssa-structalias.c: Update comments.
7014         (ptabitmap_obstack): Removed.
7015         (pta_obstack): New.
7016         (oldpta_obstack): Ditto.
7017         (stats): Add a few members.
7018         (struct variable_info): Remove node, complex, address_taken, and
7019         indirect_target members. Add oldsolution member.
7020         (new_var_info): Do not initialize removed members.
7021         (constraint_expr_type): Remove INCLUDES.
7022         (constraint_graph): Add size, implicit_preds, rep,
7023         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
7024         (FIRST_REF_NODE): New macro.
7025         (LAST_REF_NODE): Ditto.
7026         (FIRST_ADDR_NODE): Ditto.
7027         (find): New function.
7028         (unite): Ditto.
7029         (dump_constraint): Do not handle INCLUDES.
7030         (insert_into_complex): Do not insert duplicate constraints.
7031         (condense_varmap_nodes): Renamed and rewritten into ...
7032         (merge_node_constraints): This. Also fix bug in handling of
7033         offseted copy constraints.
7034         (clear_edges_for_node): No longer need to deal with preds at all,
7035         or removing associated preds/succs.
7036         (merge_graph_nodes): Deal with indirect_cycles.
7037         Don't deal with predecessors.
7038         (add_implicit_graph_edge): New function.
7039         (add_pred_graph_edge): Ditto.
7040         (add_graph_edge): Don't deal with predecessors.
7041         (build_constraint_graph): Removed.
7042         (build_pred_graph): New function.
7043         (build_succ_graph): Ditto.
7044         (struct scc_info): Removed in_component. Added roots, dfs, and
7045         node_mapping. Remove visited_index, unification_queue.
7046         (scc_visit): Deal with union-find we do now.
7047         Deal with cycles with REF nodes.
7048         (collapse_nodes): Renamed and rewritten to ...
7049         (unify_nodes): This.
7050         (process_unification_queue): Removed.
7051         (topo_visit): Cleanup
7052         (do_da_constraint): Use find.
7053         (do_sd_constraint): Ditto.
7054         (do_ds_constraint): Ditto.
7055         (do_complex_constraint): Ditto.
7056         (init_scc_info): Update for removed and added members.
7057         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
7058         (find_indirect_cycles): This.
7059         (equivalence_class): New variable.
7060         (label_visit): New function.
7061         (perform_variable_substitution): Rewritten.
7062         (free_var_substitution_info): New function.
7063         (find_equivalent_node): Ditto.
7064         (move_complex_constraints): Ditto.
7065         (eliminate_indirect_cycles): Ditto.
7066         (solve_graph): Only propagate changed bits.
7067         Use indirect cycle elimination.
7068         Use find.
7069         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
7070         (tree_id_eq): Renamed to ...
7071         (tree_vi_eq): This. Update for member change
7072         (insert_id_for_tree): Renamed and rewritten to ...
7073         (insert_vi_for_tree): This.
7074         (lookup_id_for_tree): Renamed and rewritten to ...
7075         (lookup_vi_for_tree): This.
7076         (get_id_for_tree): Renamed and rewritten to ...
7077         (get_vi_for_tree): Ditto.
7078         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
7079         (process_constraint): Don't handle INCLUDES.
7080         Remove special ADDRESSOF case.
7081         (find_func_aliases): Rewrite to use vi functions instead of id
7082         ones.
7083         (create_function_info_for): Ditto.
7084         (create_variable_info_for): Ditto.
7085         (intra_create_variable_infos): Ditto.
7086         (merge_smts_into): Ditto.
7087         (find_what_p_points_to): Ditto.
7088         (init_base_vars): Ditto.
7089         (init_alias_vars): Ditto.
7090         (remove_preds_and_fake_succs): New function.
7091         (dump_sa_points_to_info): Dump new stats.
7092         (dump_solution_for_var): Use find.
7093         (set_used_smts): Fix formatting.
7094         (compute_points_to_sets): Updated for new functions.
7095         (ipa_pta_execute): Ditto.
7096
7097 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7098             Richard Sandiford  <richard@codesourcery.com>
7099
7100         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
7101         parallels.
7102         * calls.c (expand_call): If the return value is a PARALLEL,
7103         extract its first member.
7104         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
7105         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7106         use FUNCTION_EXTRA_EPILOGUE.
7107         (m68k_function_value): Return a PARALLEL if the return value
7108         is of a pointer type.
7109         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
7110         (FUNCTION_EXTRA_EPILOGUE): Remove.
7111         * config/m68k/m68k.md (D0_REG): New constant.
7112
7113 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7114
7115         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7116         output a NOP for empty epilogues.
7117
7118 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7119
7120         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
7121         before function.  Extend register save check to include all
7122         registers, not just integer ones.
7123
7124 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7125
7126         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
7127         (m68k_use_return_insn): ...this.
7128         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
7129         * config/m68k/m68k.c (use_return_insn): Rename to...
7130         (m68k_use_return_insn): ...this.
7131         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
7132         of USE_RETURN_INSN.
7133
7134 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7135
7136         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
7137         nearest even, fix denormal rounding overflow.
7138
7139 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7140
7141         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
7142         f%$smove and f%$move.
7143         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
7144         (extendsfdf2_cf): Use fdmove instead of f%&move.
7145         (truncdfsf2_cf): Use fsmove instead of f%$smove.
7146         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
7147
7148 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7149
7150         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
7151         GPR<-GPR moves.
7152
7153 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7154
7155         * real.h (real_format): Add a canonical_nan_lsbs_set field.
7156         (coldfire_single_format): Declare.
7157         (coldfire_double_format): Likewise.
7158         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
7159         of qnan_msb_set to determine the lower bits of a canonical
7160         NaN significand.
7161         (encode_ieee_double): Likewise.
7162         (encode_ieee_quad): Likewise.
7163         (ieee_single_format): Initialize canonical_nan_lsbs_set.
7164         (mips_single_format): Likewise.
7165         (ieee_double_format): Likewise.
7166         (mips_double_format): Likewise.
7167         (ieee_extended_motorola_format): Likewise.
7168         (ieee_extended_intel_96_format): Likewise.
7169         (ieee_extended_intel_128_format): Likewise.
7170         (ieee_extended_intel_96_round_53_format): Likewise.
7171         (ibm_extended_format): Likewise.
7172         (mips_extended_format): Likewise.
7173         (ieee_quad_format): Likewise.
7174         (mips_quad_format): Likewise.
7175         (vax_f_format): Likewise.
7176         (vax_d_format): Likewise.
7177         (vax_g_format): Likewise.
7178         (i370_single_format): Likewise.
7179         (i370_double_format): Likewise.
7180         (decimal_single_format): Likewise.
7181         (decimal_double_format): Likewise.
7182         (decimal_quad_format): Likewise.
7183         (c4x_single_format): Likewise.
7184         (c4x_extended_format): Likewise.
7185         (real_internal_format): Likewise.
7186         (coldfire_single_format): New real_format.
7187         (coldfire_double_format): Likewise.
7188         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
7189         canonical_nan_lsbs_set.
7190         (pdp11_d_format): Likewise.
7191         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
7192         if TARGET_COLDFIRE_CPU.
7193
7194 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7195
7196         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
7197         (output_call, m68k_legitimize_call_address): Declare.
7198         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
7199         parenthesees.  Add support for a 'W' constraint.
7200         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
7201         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
7202         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
7203         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
7204         variables.
7205         (override_options): Initialize them.  Do not set flag_no_function_cse
7206         for TARGET_ID_SHARED_LIBRARY.
7207         (m68k_output_pic_call): Delete.
7208         (m68k_legitimize_call_address): New function.
7209         (print_operand): Remove the %o prefix.  Handle the %p prefix.
7210         (output_call): New function.
7211         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
7212         target address from the GOT if symbolic jumps are not allowed.
7213         * config/m68k/m68k.md (call, general_operand): Do not set
7214         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
7215         Merge separate flag_pic and !flag_pic define_insns into...
7216         (*call, *call_value): ...these new patterns.  Match the address
7217         rather than the containing MEM and require it to be a call_operand.
7218         Use output_call to generate the asm template.
7219         * config/m68k/predicates.md (const_call_operand): New predicate.
7220         (call_operand): Likewise.
7221
7222 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7223
7224         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
7225         (STACK_GROWS_DOWNWARD): Define to 1.
7226         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
7227         comments, emphasizing that these values are only defaults.
7228         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
7229         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
7230
7231 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7232
7233         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
7234
7235 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7236             Richard Sandiford  <richard@codesourcery.com>
7237
7238         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
7239         (FP_REGNO_P): New macros.
7240         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
7241         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
7242         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
7243         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
7244
7245 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7246
7247         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7248         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
7249         to $tmake_file.
7250         * config/m68k/t-floatlib: New file, extracting common code from...
7251         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
7252         * config/m68k/t-uclinux: Here.
7253         * config/m68k/fpgnulib.c: Do not compile extendeed precision
7254         routines on ColdFire targets.
7255
7256 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7257
7258         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7259         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
7260         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
7261         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
7262         explicitly set MOTOROLA to 1.
7263         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
7264
7265 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7266             Nathan Sidwell  <nathan@codesourcery.com>
7267
7268         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
7269         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
7270         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
7271         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
7272         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
7273         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
7274         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
7275         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
7276         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
7277         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7278         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
7279         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
7280         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
7281         (DBX_REGISTER_NUMBER): Delete.
7282         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
7283         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7284         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
7285
7286 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7287
7288         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
7289         * config/flat.h: New file.
7290         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
7291         OBJECT_FORMAT_FLAT.
7292         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
7293         indirect references for -msep-data or -mid-shared-library.
7294         Do not use PC-relative code addresses either.
7295         * config/m68k/m68k.c (override_options): Restrict -fPIC error
7296         to -mpcrel.
7297         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
7298         for shared libraries and crt1.o for executables.  Use crti.o and
7299         crtbegin.o.
7300         (ENDFILE_SPEC): Use crtend.o and crtn.o.
7301         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
7302         Do not add -elf2flt or -shared-lib-id options here.
7303         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
7304         Pass -shared-lib-id if -mid-shared-library, taking the library
7305         identifier from -mshared-library-id if given, otherwise
7306         defaulting to 0.
7307         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
7308         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
7309         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
7310         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
7311         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
7312         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
7313         and crtend.o.
7314         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
7315         jump sequence for ISA A and ISA A+.
7316         (PICJUMP): Likewise.
7317
7318 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7319
7320         * config.gcc (m68k-*-uclinux*): Base the port on the common
7321         and m68k GNU/Linux files rather than on the generic ELF ones.
7322         * config/m68k/uclinux.h (TARGET_VERSION): Override.
7323         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7324
7325 2007-01-18  Julian Brown  <julian@codesourcery.com>
7326             Richard Sandiford  <richard@codesourcery.com>
7327
7328         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
7329         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7330         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
7331         before redefining.
7332         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
7333         80 unconditionally.
7334         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7335
7336 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7337
7338         * doc/install.texi: Document m68k-uclinuxoldabi.
7339         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
7340         * config/m68k/uclinux-oldabi.h: New file, copied from
7341         config/m68k/uclinux.h.
7342
7343 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
7344
7345         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
7346         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
7347         (m32r_compute_frame_size): Use unsigned for regno.
7348         (m32r_reload_lr): Use gen_frame_mem.
7349         (pop): New.
7350         (m32r_output_function_epilogue): Don't output the function epilogue
7351         textually here.
7352         (m32r_expand_epilogue): New.
7353         (direct_return): Return false if the function has the interrupt
7354         attribute.
7355         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
7356         * config/m32r/m32r.md (epilogue): New expander.
7357         (return_lr, return_rte): New insns.
7358         (return): Make it expander.
7359         (return_normal): New expander.
7360
7361 2007-01-18  Josh Conner  <jconner@apple.com>
7362
7363         PR target/30485
7364         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
7365         support for UNLE, UNLT, UNGE, and UNGT.
7366
7367 2007-01-18  Jan Hubicka  <jh@suse.cz>
7368
7369         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
7370         * tree-tailcall (add_virtual_phis): Likewise.
7371         (optimize_tail_call): Return TODOs.
7372         (execute_tail_calls): Return TODOs.
7373         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
7374         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
7375         changed.
7376         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7377         Cleanup cfg using TODO.
7378         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
7379         * passes.c (execute_function_todo): When cleanup did something, remove
7380         unused locals.
7381         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
7382         (make_edges): Don't cleanup_cfg.
7383
7384 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
7385
7386         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
7387         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
7388         operate on the top of stack.
7389         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
7390         register handling of instructions that output to the second
7391         stack slot.
7392         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
7393         (move_for_stack_reg): Special-case check for dead destination
7394         stack slot for constant load of 1.0 inside UNSPEC_TAN.
7395
7396         * config/i386/i386.md (UNSPEC_TAN): New constant.
7397         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
7398         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
7399         to correctly model move of constant 1.0 to top stack slot.
7400         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
7401         (unnamed peephole2 pattern): Remove corresponding peephole2
7402         pattern that optimizes tan insn and loading of constant 1.0.
7403         (tanxf2): Use fptanxf4_i387.
7404         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
7405         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
7406         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7407         disable patterns for SSE math.
7408         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
7409         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
7410
7411 2007-01-18  Dirk Mueller  <dmueller@suse.de>
7412             Richard Guenther <rguenther@suse.de>
7413
7414         PR diagnostic/8268
7415         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
7416         * common.opt (Warray-bounds): Add new warning option.
7417         * c-opts.c (c_common_handle_option): Define -Warray-bounds
7418         if -Wall is given.
7419         * Makefile.in: make tree-vrp.o depend on toplev.h
7420         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
7421         is enabled.
7422         (check_array_refs, check_array_bounds, check_array_ref): New.
7423
7424 2007-01-18  Jan Hubicka  <jh@suse.cz>
7425
7426         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
7427         (execute_ssa_ccp): Return flags conditionally.
7428         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
7429         changed.
7430         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
7431
7432 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
7433
7434         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
7435         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
7436
7437         * Makefile.c (GTFILES): Add cfglayout.h.
7438         * gengtype.c (open_base_files): Likewise.
7439         * cfglayout.c (cfg_layout_function_footer,
7440         cfg_layout_function_header) Reindent to make gengtype happy.
7441         * cfglayout.h (cfg_layout_function_footer,
7442         cfg_layout_function_header): Add GTY(()) marker.
7443
7444         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
7445
7446 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7447
7448         * genautomata.c (write_automata): Include xstrerror output in the
7449         error message if writing the DFA description file fails.
7450
7451 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
7452
7453         * config/mips/mips-protos.h (mips_output_external): Make it
7454         return void.
7455         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
7456         * config/mips/mips.c (irix_output_external_libcall): Likewise.
7457         (extern_list): Likewise.
7458         (extern_head): Likewise.
7459         (TARGET_ASM_FILE_END): Likewise.
7460         (mips_file_end): Likewise.
7461         (mips_output_external): Rewritten.
7462
7463 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7464
7465         * genpreds.c (write_insn_preds_c): Only write out the function
7466         body for regclass_for_constraint if we have register constraints.
7467
7468 2007-01-17  Tom Tromey  <tromey@redhat.com>
7469
7470         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
7471         * doc/install.texi (Testing): Use sourceware.org.
7472         (Binaries): Likewise.
7473         (Specific): Likewise.
7474         * doc/contrib.texi (Contributors): Use sourceware.org.
7475
7476 2007-01-17  Anatoly Sokolov <aesok@post.ru>
7477
7478         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
7479         (AVR_ENHANCED): Rename to ...
7480         (AVR_HAVE_MUL): ... new.
7481         (avr_enhanced_p): Rename to ...
7482         (avr_have_mul_p): ... new.
7483         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
7484         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
7485         * config/avr/avr.c (avr_enhanced_p): Rename to ...
7486         (avr_have_mul_p): ... new.
7487         (base_arch_s): Rename 'enhanced' to 'have_mul'.
7488         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
7489         'avr_enhanced_p' and 'enhanced'.
7490         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
7491         AVR_HAVE_MUL instead of AVR_ENHANCED.
7492         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7493         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
7494         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
7495         instead of AVR_ENHANCED.
7496         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7497         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
7498         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
7499
7500 2007-01-17  Ian Lance Taylor  <iant@google.com>
7501
7502         * vec.h (VEC_reserve_exact): Define.
7503         (vec_gc_p_reserve_exact): Declare.
7504         (vec_gc_o_reserve_exact): Declare.
7505         (vec_heap_p_reserve_exact): Declare.
7506         (vec_heap_o_reserve_exact): Declare.
7507         (VEC_OP (T,A,reserve_exact)): New static inline function, three
7508         versions.
7509         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
7510         negative parameter.
7511         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
7512         (VEC_OP (T,A,copy)) [all versions]: Likewise.
7513         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
7514         * vec.c (calculate_allocation): Add exact parameter.  Change all
7515         callers.
7516         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
7517         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
7518         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
7519         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
7520         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
7521         (vec_heap_p_reserve_exact): New function.
7522         (vec_heap_o_reserve_exact): New function.
7523
7524 2007-01-17  Jan Hubicka  <jh@suse.cz>
7525
7526         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
7527
7528 2007-01-17  Eric Christopher  <echristo@apple.com>
7529
7530         * config.gcc: Support core2 processor.
7531
7532 2007-01-16  Jan Hubicka  <jh@suse.cz>
7533
7534         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
7535         the names, just unlink the chain so we don't crash on dangling pointers
7536         to dead SSA names.
7537
7538 2007-01-16  Jan Hubicka  <jh@suse.cz>
7539
7540         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
7541         * tree-pass.h: Reorder to make IPA passes appear toegher.
7542         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
7543         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
7544         parameters, do not call early inliner.
7545         * ipa-inline.c: Update comments.  Include tree-flow.h
7546         (cgraph_decide_inlining): Do not compute inlining parameters.
7547         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
7548         be called with function context set up.
7549         (pass_ipa_inline): Remove unreachable functions before pass.
7550         (cgraph_early_inlining): Simplify assuming to be called from the
7551         PM as local pass.
7552         (pass_early_inline): New pass.
7553         (cgraph_gate_ipa_early_inlining): New gate.
7554         (pass_ipa_early_inline): Turn into simple wrapper.
7555         (compute_inline_parameters): New function.
7556         (gate_inline_passes): New gate.
7557         (pass_inline_parameters): New pass.
7558         (apply_inline): Move here from tree-optimize.c
7559         (pass_apply_inline): New pass.
7560         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
7561         transforming.
7562         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
7563         doing them by hand.
7564         (tree_function_versioning): Do not allocate dummy struct function.
7565         * tree-inline.h (optimize_inline_calls): Update prototype.
7566         * tree-optimize.c (execute_fixup_cfg): Export.
7567         (pass_fixup_cfg): Remove
7568         (tree_rest_of_compilation): Do not apply inlines.
7569         * tree-flow.h (execute_fixup_cfg): Declare.
7570         * Makefile.in (gt-passes.c): New.
7571         * passes.c: Include gt-passes.h
7572         (init_optimization_passes): New passes.
7573         (nnodes, order): New static vars.
7574         (do_per_function_toporder): New function.
7575         (execute_one_pass): Dump current pass here.
7576         (execute_ipa_pass_list): Don't dump current pass here.
7577
7578 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
7579
7580         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
7581         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
7582
7583 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
7584
7585         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
7586         (strong_alias): Define.
7587         (__gcc_qmul): Provide non-FMA for soft-float.
7588         (__gcc_qdiv): Same.
7589         (__gcc_qneg): New.
7590         (__gcc_qeq): New.
7591         (__gcc_qle): New.
7592         (__gcc_qge): New.
7593         (__gcc_qunord): New.
7594         (__gcc_stoq): New.
7595         (__gcc_dtoq): New.
7596         (__gcc_qtos): New.
7597         (__gcc_qtod): New.
7598         (__gcc_qtoi): New.
7599         (__gcc_qtou): New.
7600         (__gcc_itoq): New.
7601         (__gcc_utoq): New.
7602         (fmsub): New.
7603         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
7604         soft-float functions.
7605         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
7606         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
7607         about long double soft float.
7608
7609 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
7610             Tehila Meyzels  <tehila@il.ibm.com>
7611
7612         * tree-vectorizer.h (is_pattern_stmt_p): New.
7613         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
7614         formatting (tabs instead of spaces). Cleanup and clarify setting
7615         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
7616         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
7617         (vectorizable_type_demotion): Check that types are integral.
7618         (vectorizable_type_promotion): Likewise.
7619         (vectorizable_store): Fix typo.  Eliminate new-line at end of
7620         comments.
7621
7622 2007-01-16  Jan Hubicka  <jh@suse.cz>
7623
7624         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
7625         cgraph edges too.
7626
7627 2007-01-15  Eric Christopher  <echristo@apple.com>
7628
7629         * ifcvt.c: Include vec.h, vecprim.h.
7630         (check_cond_move_block): New argument regs.
7631         Reorganize. Add registers used to regs.
7632         (cond_move_process_if_block): Use regs set above as
7633         loop bounds.
7634
7635 2007-01-15  Eric Christopher  <echristo@apple.com>
7636
7637         * config/darwin.h: Update copyright.
7638         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
7639         (LINK_COMMAND_SPEC): Add -u.
7640         (LINK_SPEC): Fix umbrella for above.
7641
7642 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
7643
7644         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
7645         glibc CVS.
7646
7647 2007-01-15  Tom Tromey  <tromey@redhat.com>
7648
7649         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
7650         * doc/install.texi (Testing): Don't mention jacks.
7651         (Configuration): Document --enable-java-maintainer-mode.  Move
7652         --with-java-home to libgcj-specific section.  Document
7653         --with-ecj-jar.
7654         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
7655
7656 2007-01-15  Jan Hubicka  <jh@suse.cz>
7657
7658         * tree-ssa-dce.c (DCE_TODOs): New.
7659         (propagate_necessity): Return if something changed.
7660         (eliminate_unnecessary_stmts): Likewise.
7661         (perform_tree_ssa_dce): Return TODO flags when needed.
7662         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
7663
7664 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
7665
7666         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
7667         (fyl2x_extend<mode>xf3_i387): New insn pattern.
7668         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
7669         patterns using X87MODEF12 mode macro.  Extend operand 1
7670         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7671         (log10<mode>2): Ditto.
7672         (log2<mode>2): Ditto.
7673         (log1p<mode>2): Ditto.
7674         (logb<mode>2): Ditto.
7675         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
7676         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
7677         (*fxtractxf3_i387): Rename from *fxtractxf3.
7678         (fxtract_extend<mode>xf3_i387): New insn pattern.
7679         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
7680         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
7681         and gen_fyl2xxf3_i387().
7682
7683 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
7684
7685         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
7686         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
7687         get_loop_exit_edges.  Changed return type to bool.
7688         * cfgloop.h (fix_loop_placement): Declaration removed.
7689
7690 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
7691
7692         * param.h (MIN_VECT_LOOP_BOUND): New.
7693         * params.def (MIN_VECT_LOOP_BOUND): New.
7694         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
7695         argument - minimum threshold for number of iterations.
7696         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
7697         argument to declaration.
7698         * tree-vect-analyze.c (vect_analyze_operations): Check value of
7699         MIN_VECT_LOOP_BOUND.
7700         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
7701         slpeel_tree_peel_loop_to_edge with additional argument.
7702         (vect_do_peeling_for_alignment): Likewise.
7703         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
7704
7705 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
7706
7707         PR target/30413
7708         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
7709         operands of size 1.
7710
7711 2007-01-14  Jan Hubicka  <jh@suse.cz>
7712
7713         * tree-dfa.c (remove_referenced_var): New function.
7714         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
7715         prune referenced vars list too.
7716         * tree-flow.h (remove_referenced_var): Declare.
7717
7718 2007-01-14  Jan Hubicka  <jh@suse.cz>
7719
7720         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
7721         separately.
7722         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
7723         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
7724         * except.h (verify_eh_throw_table_statements): Kill prototype.
7725         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
7726         into call exrepssions.
7727         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
7728         eh trhow verifier.
7729         * tree-cfg.c: Include pointer-set.h.
7730         (verify_node_sharing): Work on pointer set.
7731         (verify_eh_throw_stmt_node): New.
7732         (verify_stmts): Use pointers sets, verify throw_stmt.
7733
7734 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
7735
7736         * ipa-reference.c (analyze_function): Consider also addresses taken
7737         in phi nodes.
7738
7739 2007-01-12  Roger Sayle  <roger@eyesopen.com>
7740
7741         * c-typeck.c (null_pointer_constant_p): Replace use of
7742         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7743         (build_c_cast): Likewise.
7744
7745 2007-01-12  Roger Sayle  <roger@eyesopen.com>
7746
7747         * tree.h (force_fit_type_double): Remove unused final argument.
7748         * c-common.c (constant_expression_warning): Replace use of
7749         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7750         (convert_and_check): Likewise.
7751         (shorten_compare): Update call to force_fit_type_double.
7752         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
7753         * convert.c (convert_to_pointer): Update call to
7754         force_fit_type_double.
7755         * fold-const.c (force_fit_type_double): Remove overflowed_const
7756         argument.
7757         (int_const_binop, fold_convert_const_int_from_int,
7758         fold_convert_const_int_from_real, fold_div_compare,
7759         fold_sign_changed_comparison, fold_unary, fold_negate_const,
7760         fold_abs_const, fold_not_const): Remove the final argument from
7761         calls to force_fit_type_double.
7762
7763 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7764
7765         * configure.ac: Set insn to "nop" for spu-*-* also.
7766         * configure: Regenerate.
7767
7768 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
7769
7770         * builtins.def : Add BUILT_IN_FREE.
7771
7772 2007-01-12  Jan Hubicka  <jh@suse.cz>
7773
7774         PR tree-optimization/30443
7775         * tree-inline.c (tree_function_versioning): Do not optimize when
7776         cloning for inlining.
7777
7778 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
7779
7780         * doc/loop.texi: Document recording of loop exits.
7781         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
7782         (update_single_exits_after_duplication,
7783         update_single_exit_for_duplicated_loop,
7784         update_single_exit_for_duplicated_loops): Removed.
7785         (duplicate_loop_to_header_edge): Do not call
7786         update_single_exits_after_duplication and
7787         update_single_exit_for_duplicated_loops.
7788         (loop_version): Do not update single_exit information.
7789         (fix_loop_structure): Use record_loop_exits instead of
7790         mark_single_exit_loops.
7791         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
7792         the lists of loop exits.
7793         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
7794         split_edge, merge_blocks): Update the lists of loop exits.
7795         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
7796         loop_optimizer_init.
7797         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
7798         of mark_single_exit_loops.
7799         (loop_optimizer_finalize): Call release_recorded_exits.
7800         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
7801         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
7802         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
7803         update single exit information.
7804         * lambda-code.c (perfect_nestify): Ditto.
7805         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
7806         (mark_single_exit_loops): Removed.
7807         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
7808         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
7809         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
7810         functions.
7811         (get_loop_exit_edges, single_exit): Use recorded exit lists.
7812         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
7813         (verify_loop_structure): Verify consistency of the exit lists.
7814         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
7815         (set_single_exit): Removed.
7816         * cfgloop.h (struct loop_exit): New function.
7817         (struct loop): single_exit_ field replaced by exits field.
7818         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
7819         (struct loops): Added exits hash.
7820         (mark_single_exit_loops, set_single_exit): Declaration removed.
7821         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
7822
7823 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7824
7825         * doc/invoke.texi: Avoid use of @headitem.
7826
7827 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7828
7829         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
7830
7831 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7832
7833         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
7834         list of targets.
7835
7836 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
7837             Richard Sandiford  <richard@codesourcery.com>
7838
7839         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
7840         * config/m68k/m68k.opt: Resort options.
7841         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
7842
7843 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
7844             Richard Sandiford  <richard@codesourcery.com>
7845
7846         * doc/invoke.texi: Document the macros that are defined by
7847         m68k's -mtune and -mhard-float options.
7848         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
7849         (m68k_cpp_cpu_family): Likewise.
7850         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
7851         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
7852         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
7853         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
7854         (m68k_cpp_cpu_family): Likewise.
7855
7856 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7857
7858         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
7859         macros besides mc68000 as tuning macros.  Use a switch statement
7860         to set them and mcpu32.
7861
7862 2007-01-12  Julian Brown  <julian@codesourcery.com>
7863
7864         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
7865         (TARGET_68040_ONLY): Rename to...
7866         (TARGET_68040): ...this.
7867         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
7868         * config/m68k/m68k.md: Likewise.
7869
7870 2007-01-12  Julian Brown  <julian@codesourcery.com>
7871             Nathan Sidwell  <nathan@codesourcery.com>
7872             Richard Sandiford  <richard@codesourcery.com>
7873
7874         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
7875         the -mcpu= argument associated with the --with-cpu setting.
7876         Define M68K_DEFAULT_TUNE to the default -mtune= option,
7877         if different from the one implied by the -mcpu setting.
7878         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
7879         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
7880         * doc/invoke.texi: Mention ColdFire in the introduction to the
7881         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
7882         -mno-div and -mhard-float options.  Make -m68881 a synonym for
7883         -mhard-float.  Document the previously-undocumented -m5206e,
7884         -m528x, -m5307 and -m5407 options.  Tweak the existing option
7885         documentation for consistency.
7886         * doc/install.texi: Mention new --with-cpu arguments.
7887         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
7888         default CPU if neither -mcpu nor -march are specified.
7889         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
7890         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
7891         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
7892         using m68k_tune to decide between families that implement the
7893         same ISA.  Use m68k_tune to set __mcfv4e__.
7894         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
7895         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
7896         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
7897         (FL_ISA_C, FL_ISA_MMU): New macros.
7898         (MASK_COLDFIRE): Delete.
7899         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
7900         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
7901         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
7902         (TARGET_HARD_FLOAT): Do not define here.
7903         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
7904         (TUNE_68000): New macro.
7905         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
7906         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
7907         (TUNE_CFV2): Redefine in terms of m68k_tune.
7908         (uarch_type, target_device, fpu_type): New enums.
7909         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
7910         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
7911         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
7912         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
7913         (FL_FOR_isa_c): New macros.
7914         (m68k_isa): New enum.
7915         (m68k_target_selection): New structure.
7916         (all_devices, all_isas, all_microarchs): New tables.
7917         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
7918         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
7919         (MASK_ALL_CPU_BITS): Delete.
7920         (m68k_find_selection): New function.
7921         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
7922         Map the legacy target options to a combination of the new ones.
7923         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
7924         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
7925         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
7926         settings.
7927         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
7928         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
7929         properties.
7930         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
7931         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
7932         * config/m68k/m68k-devices.def: New file.
7933
7934 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7935             Nathan Sidwell  <nathan@codesourcery.com>
7936
7937         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
7938         (SUBTARGET_EXTRA_SPECS): New macros.
7939         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
7940         use %(asm_cpu_spec) instead.
7941         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
7942         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
7943         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
7944         (EXTRA_SPECS): Rename to...
7945         (SUBTARGET_EXTRA_SPECS): ...this.
7946
7947 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
7948             Richard Sandiford  <richard@codesourcery.com>
7949             Julian Brown  <julian@codesourcery.com>
7950
7951         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7952         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
7953         to the configuration's default CPU.
7954         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
7955         Remove default masks.
7956         (m680[012]0-*-*): Set the default with_cpu to the first part of
7957         the target name.
7958         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
7959         (m68k*-*-linux): Extend the --with-cpu handling to...
7960         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
7961         and m68010.  Don't set target_cpu_default2.
7962         * doc/install.texi: Document --with-cpu for m68k.
7963         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
7964         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
7965         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
7966         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
7967         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
7968         (ASM_SPEC): Remove use of %(asm_cpu_default).
7969         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
7970         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
7971         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
7972         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
7973         __HAVE_FPU__ if TARGET_HARD_FLOAT.
7974         (TARGET_DEFAULT): Delete.
7975         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
7976         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
7977         (CPP_CPU_SPEC): Delete.
7978         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
7979         the appropriate string.
7980         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
7981         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
7982         (ASM_SPEC): Don't use %(asm_default_spec).
7983         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7984         TARGET_DEFAULT and add MASK_68881.
7985         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
7986
7987 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7988
7989         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
7990         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
7991         MASK_68010 alongside MASK_68020.
7992         * doc/invoke.texi: Document -m68010.
7993         * config/m68k/m68k.opt (m68010): New.
7994         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
7995         if TUNE_68010.
7996         (TUNE_68010): New macro.
7997         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
7998         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
7999         (M68K_CPU_m68332): Add MASK_68010.
8000         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
8001         fallback definition.
8002         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
8003         defines.
8004         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
8005         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
8006         to all entries that use MASK_68020.
8007         (output_move_simode_const, output_move_himode, output_move_qimode)
8008         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
8009         instead of TARGET_68020 to select clr behavior.  Remove comment
8010         about there being no TARGET_68010.
8011         * config/m68k/m68k.md: Likewise throughout.
8012
8013 2007-01-12  Julian Brown  <julian@codesourcery.com>
8014
8015         * config/m68k/m68k.h (TARGET_ISAB): New macro.
8016         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
8017         * config/m68k/m68k.md: Likewise.
8018
8019 2007-01-12  Julian Brown  <julian@codesourcery.com>
8020
8021         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
8022         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
8023
8024 2007-01-12  Julian Brown  <julian@codesourcery.com>
8025
8026         * config/m68k/m68k.h (TUNE_68040_60): New macro.
8027         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
8028         * config/m68k/m68k.md: Likewise.
8029
8030 2007-01-12  Julian Brown  <julian@codesourcery.com>
8031             Richard Sandiford  <richard@codesourcery.com>
8032
8033         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
8034         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
8035         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
8036         TARGET_CPU32.
8037         (TARGET_CPU32): Rename to...
8038         (TUNE_CPU32): ...this.
8039         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
8040         (TUNE_CFV2): New macros.
8041         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
8042         remove conditions that are implied by TARGET_68020.
8043         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
8044         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
8045         (m68k_output_function_epilogue): Likewise.
8046         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
8047         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
8048         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
8049         non-68000 timings.  Refactor multiplication and division costs.
8050         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
8051         TUNE_CPU32 instead of TARGET_CPU32.
8052         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
8053         and TUNE_68060 instead of TARGET_68060.
8054         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
8055         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
8056         TARGET_CPU32.
8057         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
8058         && !TARGET_COLDFIRE" to choose between moveq and clr.
8059         Likewise in the unnamed movsf pattern.
8060         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
8061         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
8062         ashiftrt pattern.
8063
8064 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8065
8066         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
8067         of tabbing before backslashes.
8068
8069 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8070
8071         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
8072         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
8073         (ASM_OUTPUT_INTERNAL_LABEL): Define.
8074
8075 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8076
8077         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
8078         find_interesting_uses_cond.
8079         (find_interesting_uses_cond): Use extract_cond_operands.
8080         (rewrite_use_compare): Use extract_cond_operands and
8081         force_gimple_operand_bsi.  Do not call update_stmt.
8082         (determine_use_iv_cost_condition): Use extract_cond_operands.
8083         Return cheaper of using original bound and changing the exit bound.
8084
8085 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8086
8087         PR tree-optimization/29516
8088         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
8089         most_expensive_mult_to_index, addr_to_parts,
8090         create_mem_ref, maybe_fold_tmr): Make the type of
8091         fields of TARGET_MEM_REF sizetype.
8092         (move_fixed_address_to_symbol, move_pointer_to_base):
8093         New functions.
8094         * tree.def (TARGET_MEM_REF): Add comment on types of
8095         the operands.
8096
8097 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
8098
8099         * c-common.c (vector_types_convertible_p): Treat opaque types as
8100         always convertible if they have the same size, but not otherwise.
8101
8102 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
8103
8104         * ifcvt.c (struct noce_if_info): Add comments to the fields.
8105         Remove the b_unconditional field.
8106         (noce_try_sign_mask): Do not look at b_unconditional.
8107         (noce_process_if_block): Do not use merge_if_blocks.  Update
8108         the CFG here.  Do not set b_unconditional.
8109         (cond_move_process_if_block): Likewise.
8110         (find_cond_trap): Likewise.
8111         (check_cond_move_block): Require simple jump insns at the end
8112         of the basic block.
8113
8114 2007-01-11  Jan Hubicka  <jh@suse.cz>
8115
8116         PR tree-optimization/1046
8117         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
8118         when alias info is not ready.
8119         (pass_tail_recursion): Do not require aliasing.
8120         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
8121         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
8122         * tree-ssa-copy.c (pass_copy_prop): Likewise.
8123         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
8124         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
8125         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
8126         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
8127         before inlining.
8128         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
8129         When aliasing is not build, mark statement as volatile.
8130
8131 2007-01-11  Tom Tromey  <tromey@redhat.com>
8132
8133         PR preprocessor/15185, PR preprocessor/20989:
8134         * doc/cppopts.texi <-MT>: Update description of algorithm for
8135         computing default target.
8136         <-M, -MD>: Reword "basename" text.
8137
8138 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8139
8140         * builtins.c (expand_builtin_pow, expand_builtin_powi,
8141         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
8142         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
8143         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
8144         fold_builtin_bswap, real_constp, fold_builtin_pow,
8145         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
8146         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
8147         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8148         * convert.c (convert_to_pointer): Likewise.
8149         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
8150         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
8151         const_binop, fold_convert_const_int_from_int,
8152         fold_convert_const_int_from_real,
8153         fold_convert_const_real_from_real, sign_bit_p,
8154         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
8155         fold_sign_changed_comparison, fold_unary, fold_comparison,
8156         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
8157         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
8158         * print-tree.c (print_node_brief, print_node): Likewise.
8159         * stor-layout.c (place_field, layout_type): Likewise.
8160         * tree-chrec.c (keep_cast): Likewise.
8161         * tree.c (build_vector, build_real, build_real_from_int_cst,
8162         build_complex): Likewise.
8163
8164 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8165
8166         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
8167         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
8168
8169 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
8170
8171         * configure.ac (strict1_warn): Rename to strict_warn.
8172         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
8173         cc_set_by_configure, quoted_cc_set_by_configure,
8174         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
8175         all_boot_languages, all_stagestuff): Remove.
8176         (target_list): Remove bootstrap targets.
8177         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
8178         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
8179         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
8180         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
8181         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
8182         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
8183         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
8184         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
8185         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
8186         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
8187         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
8188         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
8189         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
8190         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
8191         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
8192         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
8193         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
8194         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
8195         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
8196         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
8197         (mostlyclean): Adjust.
8198         (clean, distclean): Don't mention bootstrap stuff.
8199         * configure: Regenerate.
8200         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
8201         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
8202         treelang/config-lang.in (stagestuff): Remove.
8203         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
8204         stageprofile, stagefeedback, stagestuff): Remove mention.
8205
8206 2007-01-11  Nick Clifton  <nickc@redhat.com>
8207
8208         * config/mcore/predicates.md (mcore_general_movesrc_operand):
8209         Accept CONSTs.
8210         (mcore_general_movdst_operand): Do not accept CONST_INTs.
8211         (mcore_arith_K_S_operand): Run the test for the S constraint not
8212         the test for the M constraint.
8213         (mcore_addsub_operand): Do not accept integer values that are
8214         larger than 32 bits.
8215         * config/mcore/mcore.md: Remove unused constraints from split.
8216         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
8217         (addsi3): Likewise.
8218         (allocate_stack): Likewise.
8219         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
8220         operands to 32 bits.
8221         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
8222         INTVAL.
8223         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
8224         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
8225         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
8226         mcore_output_bclri, mcore_output_andn, output_inline_const,
8227         mcore_output_move, mcore_output_movedouble): Likewise.
8228         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
8229         (output_inline_const): Likewise.
8230         (output_inline_const): Fix format strings used in sprintf
8231         statements.
8232         * config/mcore/mcore-protos.h: Update prototypes for changed
8233         functions in mcore.c.
8234         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
8235         HOST_WIDE_INT and not int.
8236         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
8237         CONST_OK_FOR_N): Likewise.
8238         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
8239         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
8240         an INTVAL.
8241
8242 2007-01-10  Jan Hubicka  <jh@suse.cz>
8243
8244         * tree-vrp.c (remove_range_assertions): Release defs.
8245         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
8246         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
8247
8248 2007-01-10  Paul Brook  <paul@codesourcery.com>
8249
8250         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
8251         * config/arm/arm.md (mulsi3subsi): New insn.
8252
8253 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
8254
8255         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
8256         (tree_transform_and_unroll_loop): New.
8257         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
8258         Declare.
8259
8260 2007-01-10  Robert Kennedy <jimbob@google.com>
8261
8262         * fold-const.c (fold_comparison): Fold comparisons like (x *
8263         1000 < 0) to (x < 0).
8264
8265 2007-01-10  Ian Lance Taylor  <iant@google.com>
8266
8267         * tree-pretty-print.c (dump_generic_node): Print parentheses when
8268         operands have the same priority.
8269
8270 2007-01-10  Tom Tromey  <tromey@redhat.com>
8271
8272         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
8273         (fold_binary): Likewise.
8274         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
8275         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
8276         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
8277         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
8278         * langhooks.h (struct lang_hooks): Removed field
8279         'can_use_bit_fields_p'.
8280
8281 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
8282
8283         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
8284
8285 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
8286
8287         * function.c (get_last_funcdef_no): New function.
8288         * function.h (get_last_funcdef_no): Declare.
8289         * tree-inline.c (initialize_cfun): Add initialization.
8290         (tree_function_versioning): Cleanup.
8291
8292 2007-01-10  Jan Hubicka  <jh@suse.cz>
8293
8294         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
8295         PHIs.
8296
8297 2007-01-10  Sa Liu  <saliu@de.ibm.com>
8298             Ben Elliston  <bje@au.ibm.com>
8299
8300         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
8301         for SAVE_NONLOCAL and Pmode for any other save level.
8302         * spu-protos.h (spu_restore_stack_block): Declare.
8303         * spu.md (save_stack_block): Remove.
8304         (restore_stack_block): Call spu_restore_stack_block.
8305         * spu.c (spu_restore_stack_block): New function.
8306         (spu_expand_epilogue): Remove old comment.
8307
8308 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
8309
8310         PR tree-optimization/30322
8311         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
8312         (cand_value_at): Return the value as aff_tree.
8313         (may_eliminate_iv): Convert the bound from aff_tree to tree.
8314         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
8315         aff_combination_mult): New functions.
8316         (aff_combination_add): Use aff_combination_add_cst.
8317         (aff_combination_convert): Allow conversions to a wider type.
8318         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
8319         * tree-affine.h (aff_combination_mult): Declare.
8320
8321 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
8322
8323         * doc/tm.texi: Update documentation to reflect reality of exec
8324         and start file search behaviours. Update copyright year.
8325         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
8326         header file directories.
8327
8328 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
8329
8330         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
8331         (*cosxf2): Rename to cosxf2_i387.
8332         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
8333         using X87MODEF12 mode macro. Rename patterns to
8334         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
8335         for SSE math.
8336         (*cosdf2, *cossf2): Ditto.
8337         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
8338         to match extended input operands.
8339         (sincos<mode>3): New expander.
8340         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
8341         insn patterns and corresponding splitters.
8342
8343 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
8344
8345         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
8346         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
8347
8348 2007-01-09  Nicolas Pitre  <nico@cam.org>
8349
8350         PR target/30173
8351         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
8352
8353 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8354
8355         * target.h (struct gcc_target): New field library_rtti_comdat.
8356         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
8357         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
8358         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
8359         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
8360
8361 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8362
8363         * doc/invoke.texi (Optimize Options): Correct description of -O0.
8364
8365 2007-01-08  Richard Guenther  <rguenther@suse.de>
8366
8367         * tree.h (force_fit_type_double): Export.
8368         (force_fit_type): Remove.
8369         * fold-const.c (force_fit_type_double): New function.
8370         (force_fit_type): Remove.
8371         (int_const_binop): Use it.
8372         (fold_convert_const_int_from_int): Likewise.
8373         (fold_convert_const_int_from_real): Likewise.
8374         (fold_div_compare): Likewise.
8375         (fold_sign_changed_comparison): Likewise.
8376         (fold_unary): Likewise.
8377         (fold_negate_const): Likewise.
8378         (fold_abs_const): Likewise.
8379         (fold_not_const): Likewise.
8380         * c-common.c (shorten_compare): Use force_fit_type_double.
8381         * convert.c (convert_to_pointer): Likewise.
8382
8383 2007-01-08  Richard Guenther  <rguenther@suse.de>
8384
8385         * tree.h (build_int_cst_wide_type): Export.
8386         * tree.c (build_int_cst_wide_type): New function.
8387         (build_int_cst_wide): Fix comment.
8388         * builtins.c (fold_builtin_object_size): Use build_int_cst
8389         to build -1 or 0 of the correct type.  Use fit_double_type
8390         to check for overflow.
8391         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
8392         to build the mask.
8393         (decode_field_reference): Likewise.
8394         (all_ones_mask_p): Likewise.
8395         (native_interpret_int): Use build_int_cst_wide_type.
8396         (fold_binary): Use build_int_cst_type to build an all-ones
8397         value.
8398         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
8399
8400 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
8401
8402         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
8403
8404 2007-01-09  Ben Elliston  <bje@au.ibm.com>
8405
8406         * genautomata.c (STATS_OPTION): New option.
8407         (stats_flag): New flag.
8408         (gen_automata_option): Handle it.
8409         (initiate_automaton_gen): Ditto.
8410         (write_automata): Output statistics only if stats_flag is
8411         set. Likewise, output time statistics only if time_flag is set.
8412         * doc/md.texi (Processor pipeline description): Document new flag.
8413
8414 2007-01-08  Richard Guenther  <rguenther@suse.de>
8415
8416         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
8417         * tree.c (build_int_cst_type): Likewise.
8418         (size_in_bytes): Don't call force_fit_type on the result.
8419         (int_fits_type_p): Use fit_double_type.
8420         * fold-const.c (fit_double_type): New function.
8421         (force_fit_type): Use it.
8422         * tree.h (fit_double_type): Export.
8423
8424 2007-01-08  Jan Hubicka  <jh@suse.cz>
8425
8426         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
8427         * ipa.c (function_and_variable_visibility): Fix return type.
8428
8429 2007-01-08  Richard Guenther  <rguenther@suse.de>
8430
8431         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
8432         of offset to build the index.
8433         * tree-pretty-print.c (dump_generic_node): Don't build negated
8434         const just for printing.
8435         * c-pretty-print.c (pp_c_integer_constant): Likewise.
8436         * builtins.c (fold_builtin_int_roundingfn): Check if result
8437         fits the type by using force_fit_type and comparing the result.
8438         * predict.c (predict_loops): Use compare_tree_int for comparison.
8439         * tree.c (build_int_cst): Fall back to integer_type_node for
8440         NULL_TREE type.
8441         (build_int_cst_wide): Assert type is non-null.
8442
8443 2007-01-08  Roberto Costa  <roberto.costa@st.com>
8444
8445         * tree-vrp.c (extract_range_from_cond_expr): New.
8446         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
8447         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
8448         as expressions.
8449         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
8450         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
8451         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
8452         used as expressions.
8453         * tree-object-size.c (cond_expr_object_size): New.
8454         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
8455
8456 2007-01-08  Jan Hubicka  <jh@suse.cz>
8457
8458         * tree-ssa-forwprop.c (forward_propagate_into_cond,
8459         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
8460         statement.
8461
8462 2007-01-08  Richard Guenther  <rguenther@suse.de>
8463
8464         PR tree-optimization/23603
8465         * tree-vrp.c (set_value_range_to_truthvalue): New function.
8466         (extract_range_from_binary): Fall back to truthvalue instead of
8467         varying for TRUTH_*_EXPR.
8468         (extract_range_from_comparison): Fall back to truthvalue instead of
8469         varying.
8470         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
8471         if all visited PHI values were constant.
8472
8473 2007-01-08  Jan Hubicka  <jh@suse.cz>
8474
8475         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
8476         (cgraph_analyze_function): break out from ...
8477         (cgraph_finalize_compilation_unit): ... here.
8478         (cgraph_expand_function): Remove forgoten commented out line.
8479         (cgraph_optimize): Analyze functions.
8480
8481 2007-01-08  Jan Hubicka  <jh@suse.cz>
8482
8483         * tree-pas.h (TODO_remove_function): New flag.
8484         (TODO_update*): Renumber.
8485         (pass_ipa_increase_alignment,
8486         pass_ipa_function_and_variable_visibility): New passes.
8487         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
8488         (cgraph_function_and_variable_visibility): Move to ipa.c
8489         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
8490         cgraph_increase_alignment.
8491         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
8492         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
8493         calling tree-inline.
8494         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
8495         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
8496         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
8497         (gate_increase_alignment): New function.
8498         (pass_ipa_increase_alignment): New pass.
8499         * ipa.c: Inline tree-pass.h and timevar.h
8500         (function_and_variable_visibility): Move here from cgraphunit.c
8501         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
8502         * passes.c (init_optimization_passes): Add the two new passes.
8503         (execute_todo): Handle cgraph_remove_functions.
8504
8505 2007-01-08  Nick Clifton  <nickc@redhat.com>
8506
8507         * config/frv/predicates.md (reg_or_0_operand): Accept
8508         CONST_DOUBLEs.
8509
8510 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
8511
8512         * config/bfin/rtems.h, config/bfin/t-rtems: New.
8513         * config.gcc: Add bfin*-rtems*.
8514
8515 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8516
8517         * c.opt: Add -flax-vector-conversions.
8518         * c-typeck.c (convert_for_assignment): Pass flag to
8519         vector_types_convertible_p to allow emission of note.
8520         (digest_init): Likewise.
8521         * c-opts.c: Handle -flax-vector-conversions.
8522         * c-common.c (flag_lax_vector_conversions): New.
8523         (vector_types_convertible_p): Unless -flax-vector conversions
8524         has been passed, disallow conversions between vectors with
8525         differing numbers of subparts and/or element types.  If such
8526         a conversion is disallowed, possibly emit a note on the first
8527         occasion only to inform the user of -flax-vector-conversions.
8528         The new last argument specifies this.
8529         * c-common.h (flag_lax_vector_conversions): New.
8530         (vector_types_convertible_p): Add extra argument.
8531         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
8532         char_type_node for V*QI type vectors.
8533         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
8534         Update to satisfy new typechecking rules.
8535         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
8536         C and C++ variants.
8537         * doc/invoke.texi (C Dialect Options): Document
8538         -flax-vector-conversions.
8539
8540 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8541
8542         PR tree-optimization/29877
8543         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
8544         a register variable on the RHS to not be replaceable.
8545
8546 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
8547         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
8548         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
8549         const_simm15, const_pow2, const_npow2): Added.
8550         * config/score/misc.md (insv, extv, extzv, movmemsi,
8551         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
8552         * config/score/score.c (score_address_cost, score_select_cc_mode):
8553         Added.
8554         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
8555         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
8556         Update score_print_operand.
8557         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
8558         Adjust register allocate order and update some macro define.
8559         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
8560         mdx_block_move_straight, mdx_block_move_loop_head,
8561         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
8562         mdx_block_move): Added.
8563         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
8564         mdp_limm): Updated and fix some bug and typo.
8565         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
8566         (movsf, movdf, doloop_end): Added.
8567
8568 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
8569
8570         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
8571         config/arm/thumb2.md: Fix comment typos.
8572         * doc/extend.texi: Fix a typo.
8573
8574 2007-01-07  Eric Christopher  <echristo@apple.com>
8575
8576         * configure.ac: Check for __stack_chk_fail for darwin.
8577         * configure: Regenerate.
8578
8579 2007-01-07  Richard Guenther  <rguenther@suse.de>
8580
8581         * tree-vrp.c (extract_range_from_assert): CSE calls to
8582         compare_values where possible.
8583         (extract_range_from_unary_expr): Likewise.
8584
8585 2007-01-07  Anatoly Sokolov <aesok@post.ru>
8586
8587         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
8588         * config/avr/avr.c (call_insn_operand): Delete function.
8589         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
8590         instead of register number. Use predicates.
8591         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
8592         call_insn_operand): Add.
8593
8594 2007-01-06  Jan Hubicka  <jh@suse.cz>
8595
8596         * tree-pass.h (pass_build_cgraph_edges): Declare.
8597         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
8598         (visited_nodes): Remove.
8599         (cgraph_create_edges): Move to cgraphbuild.c; rename to
8600         build_cgrpah_edges; make visited_nodes local.
8601         (cgraph_process_new_functions): DO not call initialize_inline_failed.
8602         (record_references_in_initializer): Move to cgraphbuild.c
8603         (initialize_inline_failed, rebuild_cgraph_edges,
8604         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
8605         (verify_cgraph_node): Make visited_nodes local.
8606         (cgraph_analyze_function): Do not call cgraph_create_edges and
8607         initialize_inline_failed.
8608         (cgraph_expand_function): Do not call cgraph_lower_function;
8609         assert that function is already lowered.
8610         * Makefile.in (cgraphbuild.o): New.
8611         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
8612         at the end of lowering passes.
8613
8614 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
8615
8616         * ifcvt.c (cond_move_convert_if_block): New function, code
8617         factored out from...
8618         (cond_move_process_if_block): ...here.  Call the new function
8619         on the THEN and ELSE blocks.
8620         (merge_if_block): Do not copy global_live_at_end, merge_blocks
8621         already takes care of this.
8622
8623 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8624
8625         PR c/19978
8626         * tree.h (TREE_OVERFLOW_P): New.
8627         * c-typeck.c (parser_build_unary_op): Warn only if result
8628         overflowed and operands did not.
8629         (parser_build_binary_op): Likewise.
8630         (convert_for_assignment): Remove redundant overflow_warning.
8631         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
8632
8633 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8634
8635         * c-typeck.c (store_init_value): Split over two lines to follow
8636         the GNU coding style.
8637
8638 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
8639
8640         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
8641         __GXX_EXPERIMENTAL_CXX0X__.
8642         * doc/cpp.texi: Same.
8643
8644 2007-01-05  Richard Guenther  <rguenther@suse.de>
8645
8646         PR middle-end/27826
8647         * tree.c (get_narrower): Do not construct COMPONENT_REFs
8648         with mismatched types.  Instead explicitly build a
8649         conversion NOP_EXPR.
8650
8651 2007-01-05  Ian Lance Taylor  <iant@google.com>
8652
8653         * c-common.c (decl_with_nonnull_addr_p): New function.
8654         (c_common_truthvalue_conversion): Call it.
8655         * c-typeck.c (build_binary_op): Likewise.
8656         * c-common.h (decl_with_nonnull_addr_p): Declare.
8657
8658 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
8659
8660         PR c/30360
8661         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
8662         denom against 0.0.
8663
8664 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
8665
8666         * doc/install.texi (Final install): Document the fact that
8667         the GNAT runtime should not be stripped.
8668
8669 2007-01-04  Jan Hubicka  <jh@suse.cz>
8670
8671         * tree-inline.c (fold_marked_statements): Update operand caches
8672         and EH after folding
8673
8674 2007-01-04  Ian Lance Taylor  <iant@google.com>
8675
8676         * c-common.c (check_function_nonnull): Whitespace fix.
8677
8678 2007-01-04  Jan Hubicka  <jh@suse.cz>
8679
8680         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
8681         comitted older version of patch.
8682         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
8683         function, celanup cfg and collect garbage.
8684
8685 2007-01-04  Mike Stump  <mrs@apple.com>
8686
8687         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
8688         (clean): Likewise.
8689
8690 2007-01-04  Eric Christopher  <echristo@apple.com>
8691
8692         * libgcc2.c (__bswapsi2): Use SItype.
8693         (__bswapdi2): Use DItype.
8694         * libgcc2.h: Update for above.
8695
8696 2007-01-04  Paul Brook  <paul@codesourcery.com>
8697
8698         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
8699         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
8700         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
8701         umulsidi3, umulsidi3adddi, smulsi3_highpart,
8702         umulsi3_highpart): Make conditional on !arm_arch6.
8703         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
8704         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
8705         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
8706         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
8707         umulsi3_highpart_v6): New insns.
8708
8709 2007-01-04  Roger Sayle  <roger@eyesopen.com>
8710
8711         * fold-const.c (fold_convert): When casting an expression to void,
8712         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
8713         have a type.  Instead of attempting to build a NOP_EXPR, return
8714         these "special" trees directly.
8715
8716 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
8717
8718         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
8719         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
8720         rs6000_cost->fp not 0 as adjustment for outer NEG.
8721
8722 2007-01-04  Jan Hubicka  <jh@suse.cz>
8723
8724         * cgraph.c (cgraph_release_function_body): New function.
8725         (cgraph_remove_node): Use it.
8726         * cgraph.h (cgraph_release_function_body): Declare.
8727         * cgraphunit.c (cgraph_expand_function): Use it.
8728         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
8729         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
8730         is initialized and while compilation of other function is running.
8731         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
8732         statement CFG annotations from here to ...
8733         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
8734
8735 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
8736
8737         * cfgloop.h (enum li_flags): Make the constants powers of two.
8738
8739 2007-01-04  Jan Hubicka  <jh@suse.cz>
8740
8741         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
8742         set.
8743         (fold_marked_statements): New function.
8744         (optimize_inline_calls, tree_function_versioning): Fold new statements.
8745         * tree-inline.h (copy_body_data): Add statements_to_fold.
8746
8747 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
8748
8749         * config.gcc: Mention libgcc/config.host.
8750         * Makefile.in: Update comments mentioning libgcc.
8751         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
8752         (all.cross, start.encap, rest.encap, rest.cross): Update
8753         dependencies for libgcc move.
8754         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
8755         (clean-target, clean-target-libgcc): Delete.
8756         (srcdirify, GCC_EXTRA_PARTS): New macros.
8757         (libgcc-support, libgcc.mvars): New rules.
8758         (distclean): Remove mention of mklibgcc.
8759         (install): Don't reference INSTALL_LIBGCC.
8760         (install-common): Don't reference EXTRA_PARTS.
8761         (install-libgcc, install-multilib): Delete rules.
8762         * mklibgcc.in: Delete file.
8763         * doc/configfiles.texi: Don't mention mklibgcc.
8764
8765         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
8766         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
8767         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
8768         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
8769         (mklibgcc, ldblspecs): Likewise.
8770
8771         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
8772         (posixpre.def): Use $(T).
8773         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
8774         (SHLIB_SRC, SHLIB_INSTALL): Delete.
8775         (SHLIB_LINK): Make dummy.
8776         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
8777
8778         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
8779
8780         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
8781         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
8782         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
8783         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
8784
8785         * configure.ac (all_outputs): Remove mklibgcc.
8786         * configure: Regenerated.
8787
8788 2007-01-03  Josh Conner  <jconner@apple.com>
8789
8790         PR middle-end/29683
8791         * calls.c (compute_argument_addresses): Set stack and stack_slot
8792         for partial args, too.
8793         (store_one_arg): Use locate.size.constant for the size when
8794         generating a save_area.
8795
8796 2007-01-03  Robert Kennedy <jimbob@google.com>
8797
8798         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
8799         whose definitions are deleted due to basic block merging.
8800
8801 2007-01-03  Paul Brook  <paul@codesourcery.com>
8802
8803         PR target/16634
8804         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
8805         functions.
8806         (use_return_insn): Return 0 for Thumb interrupt functions.
8807         (print_multi_reg): Add rfe argument for IRQ returns.
8808         (arm_output_epilogue): Pop interrupt return address directly into PC.
8809         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
8810
8811 2007-01-03  Paul Brook  <paul@codesourcery.com>
8812
8813         Merge from sourcerygxx-4_1.
8814         * config/arm/thumb2.md: New file.
8815         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
8816         Thumb-2.
8817         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
8818         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8819         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
8820         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
8821         tables.
8822         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8823         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
8824         comptibility.
8825         * config/arm/ieee754-sf.S: Ditto.
8826         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
8827         (thumb1_base_register_rtx_p): ... to this.
8828         (thumb_index_register_rtx_p): Rename...
8829         (thumb1_index_register_rtx_p): ... to this.
8830         (thumb_output_function_prologue): Rename...
8831         (thumb1_output_function_prologue): ... to this.
8832         (thumb_legitimate_address_p): Rename...
8833         (thumb1_legitimate_address_p): ... to this.
8834         (thumb_rtx_costs): Rename...
8835         (thumb1_rtx_costs): ... to this.
8836         (thumb_compute_save_reg_mask): Rename...
8837         (thumb1_compute_save_reg_mask): ... to this.
8838         (thumb_final_prescan_insn): Rename...
8839         (thumb1_final_prescan_insn): ... to this.
8840         (thumb_expand_epilogue): Rename...
8841         (thumb1_expand_epilogue): ... to this.
8842         (arm_unwind_emit_stm): Rename...
8843         (arm_unwind_emit_sequence): ... to this.
8844         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
8845         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
8846         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
8847         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
8848         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
8849         thumb2_output_casesi): New functions.
8850         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
8851         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
8852         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
8853         THUMB2_WORK_REGS): Define.
8854         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
8855         arm_condexec_mask, arm_condexec_masklen)): New variables.
8856         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
8857         (arm_override_options): Check new CPU capabilities.
8858         Set new architecture flag variables.
8859         (arm_isr_value): Handle v7m interrupt functions.
8860         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
8861         Thumb-2.
8862         (const_ok_for_arm): Handle Thumb-2 constants.
8863         (arm_gen_constant): Ditto.  Use movw when available.
8864         (arm_function_ok_for_sibcall): Return false for v7m interrupt
8865         functions.
8866         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
8867         (thumb_find_work_register, arm_load_pic_register,
8868         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
8869         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
8870         print_multi_reg, output_mov_long_double_fpa_from_arm,
8871         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
8872         output_mov_double_fpa_from_arm, output_move_double,
8873         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
8874         output_return_instruction, arm_output_function_prologue,
8875         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
8876         arm_output_mi_thunk, thumb_set_return_address): Ditto.
8877         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
8878         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
8879         (arithmetic_instr, shift_op): Use arm_shift_nmem.
8880         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
8881         '!' and 'L'.
8882         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
8883         (thumb_expand_prologue): Use thumb_set_frame_pointer.
8884         (arm_file_start): Output directive for unified syntax.
8885         (arm_unwind_emit_set): Handle stack alignment instruction.
8886         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
8887         Add v6t2, v7, v7a, v7r and v7m.
8888         (RETLDM): Add Thumb-2 code.
8889         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
8890         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
8891         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
8892         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
8893         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
8894         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
8895         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
8896         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
8897         ADJUST_INSN_LENGTH): Define.
8898         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
8899         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
8900         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
8901         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
8902         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
8903         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
8904         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
8905         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
8906         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
8907         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
8908         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
8909         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
8910         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
8911         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
8912         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
8913         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
8914         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
8915         cortex-m3.
8916         * config/arm/arm-tune.md: Regenerate.
8917         * config/arm/arm-protos.h: Update prototypes.
8918         * config/arm/vfp.md: Enable patterns for Thumb-2.
8919         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
8920         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
8921         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
8922         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
8923         * config/arm/libunwind.S: Add Thumb-2 code.
8924         * config/arm/constraints.md: Update include Thumb-2.
8925         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
8926         * config/arm/ieee754-df.S: Ditto.
8927         * config/arm/bpabi.S: Ditto.
8928         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
8929         * config/arm/predicates.md (low_register_operand,
8930         low_reg_or_int_operand, thumb_16bit_operator): New.
8931         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
8932         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
8933         * config/arm/t-arm-elf: Add armv7 multilib.
8934         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
8935         Include thumb2.md.
8936         (UNSPEC_STACK_ALIGN, ce_count): New.
8937         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
8938         arm_zero_extendsidi2, arm_zero_extendqidi2): New
8939         insns/expanders.
8940         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
8941         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
8942         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
8943         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
8944         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
8945         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
8946         insns.
8947         * doc/extend.texi: Document ARMv7-M interrupt functions.
8948         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
8949
8950 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
8951
8952         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
8953         (struct _Unwind_Context): Rename args_size to flags, remove
8954         signal_frame field, add a new args_size field and version field.
8955         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
8956         _Unwind_IsExtendedContext): New inline functions.
8957         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8958         Assume by_value array is only present if _Unwind_IsExtendedContext.
8959         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
8960         _Unwind_IsSignalFrame.
8961         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
8962         (uw_update_context_1): Use _Unwind_SetSignalFrame.
8963         (uw_init_context_1): Initialize context->flags to
8964         EXTENDED_CONTEXT_BIT.
8965         * config/rs6000/linux-unwind.h (frob_update_context): Use
8966         _Unwind_SetSignalFrame.
8967
8968 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8969
8970         PR middle-end/30353
8971         * gimplify.c (gimplify_modify_expr_complex_part): Move below
8972         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
8973         the value.
8974
8975 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
8976
8977         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
8978         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
8979         RET, AT_SP): Remove.
8980         * config/i386/i386.md (*sse_prologue_save_insn): Use return
8981         instead of RET.
8982
8983         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8984         * cfgbuild.c (find_basic_blocks): Likewise.
8985         * cfgrtl.c (rtl_create_basic_block): Likewise.
8986         * function.c (temp_slots_at_level): Likewise.
8987         * reg-stack.c (stack_regs_mentioned): Likewise.
8988         * regclass.c (allocate_reg_info): Likewise.
8989         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8990         set_bb_for_stmt, move_block_to_fn): Likewise.
8991         * tree-complex.c (tree_lower_complex): Likewise.
8992         * vec.h (VEC_safe_grow_cleared): New.
8993
8994         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
8995
8996 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
8997
8998         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
8999         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
9000         to loop_version.
9001         * cfgloopmanip.c (scale_loop_frequencies): Export.
9002         (loopify): Scale the frequencies by prescribed coefficients.
9003         (set_zero_probability): New function.
9004         (duplicate_loop_to_header_edge): Improve updating of frequencies.
9005         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
9006         and frequencies according to arguments.
9007         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
9008         correctly.
9009         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
9010         * modulo-sched.c (sms_schedule): Set probabilities for entering
9011         versioned loop correctly.
9012         * tree-vect-transform.c (vect_transform_loop): Ditto.
9013         * cfgloop.h (loopify, loop_version): Declaration changed.
9014         (scale_loop_frequencies): Declared.
9015
9016 2007-01-02  Jan Hubicka  <jh@suse.cz>
9017
9018         * cgraph.c: Include tree-flow.h
9019         (cgraph_add_new-function): Handle IPA_SSA mode; execute
9020         early_local_passes.
9021         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
9022         * tree-pass.h (pass_all_early_optimizations): Declare.
9023         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
9024         early_local_passes.
9025         (cgraph_analyze_function): Do early_local_passes.
9026         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9027         Do not add referenced vars.
9028         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
9029         SSA form.
9030         (gate_all_early_local_passes): New gate.
9031         (pass_early_local_passes): Use new gate.
9032         (execute_early_local_optimizations): New functions.
9033         (gate_all_early_optimizations): New gate.
9034         (pass_all_early_optimizations): New pass.
9035         (execute_free_datastructures): Free SSA only when initialized.
9036         (gate_init_datastructures): Init only when optimizing.
9037         (tree_lowering_passes): Do early local passes when called late.
9038         * tree-profile.c (do_tree_profiling): Don't profile functions added
9039         late.
9040         (do_early_tree_profiling, pass_early_tree_profile): Kill.
9041         * tree-cfg.c (update_modified_stmts): Do not update when operands are
9042         not active.
9043         * passes.c (init_optimizations_passes): Reorder so we go into SSA
9044         during early_local_passes.
9045         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
9046
9047
9048 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9049
9050         * Makefile.in: Update copyright year.
9051
9052 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9053
9054         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
9055         in $(lang_checks) and check-consistency targets.
9056
9057 2007-01-02  Jan Hubicka  <jh@suse.cz>
9058
9059         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9060         Do not add referenced vars.
9061         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
9062         are not active.
9063         * passes.c (init_optimization_passes): Put mudflap_2 after
9064         free_datastructures.
9065
9066 2007-01-02  Jan Hubicka  <jh@suse.cz>
9067
9068         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
9069         Set NOTHROW flag on call statements proved to be nothrow.
9070         Update statement of local calls so new pure/const functions are
9071         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
9072         goto receivers.
9073         (tree_rest_of_compilation): Register hooks and initialize bitmap
9074         early. Do not set after_inlining flag.
9075
9076 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
9077
9078         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
9079         HOST_BITS_PER_LONGLONG
9080
9081 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9082
9083         PR c/19977
9084         * c-typeck.c (store_init_value): Don't emit pedantic overflow
9085         warning for non-static initializers.
9086
9087 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
9088
9089         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
9090         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
9091         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
9092         Always use set_unique_reg_note to add REG_EQUAL notes.
9093
9094 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9095
9096         Revert:
9097         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9098
9099         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9100         * cfgbuild.c (find_basic_blocks): Likewise.
9101         * cfgrtl.c (rtl_create_basic_block): Likewise.
9102         * function.c (temp_slots_at_level): Likewise.
9103         * reg-stack.c (stack_regs_mentioned): Likewise.
9104         * regclass.c (allocate_reg_info): Likewise.
9105         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9106         set_bb_for_stmt, move_block_to_fn): Likewise.
9107         * tree-complex.c (tree_lower_complex): Likewise.
9108         * vec.h (VEC_safe_grow_cleared): New.
9109
9110 2007-01-02  Ian Lance Taylor  <iant@google.com>
9111
9112         * c-common.c (c_common_truthvalue_conversion): When warning about
9113         using an assignment as a truth value, set TREE_NO_WARNING.
9114
9115 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9116
9117         PR middle-end/7651
9118         * c.opt (Wold-style-declaration): New.
9119         * doc/invoke.texi (C-only Warning Options): New.
9120         (Wold-style-declaration): Document it.
9121         (Wextra): Enabled by -Wextra.
9122         * c-opts.c (c_common_post_options): Enabled by -Wextra.
9123         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
9124         -Wold-style-declaration.
9125
9126 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9127
9128         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9129         * cfgbuild.c (find_basic_blocks): Likewise.
9130         * cfgrtl.c (rtl_create_basic_block): Likewise.
9131         * function.c (temp_slots_at_level): Likewise.
9132         * reg-stack.c (stack_regs_mentioned): Likewise.
9133         * regclass.c (allocate_reg_info): Likewise.
9134         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9135         set_bb_for_stmt, move_block_to_fn): Likewise.
9136         * tree-complex.c (tree_lower_complex): Likewise.
9137         * vec.h (VEC_safe_grow_cleared): New.
9138
9139 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
9140
9141         * c-common.c (c_common_nodes_and_builtins): Since variants of
9142         void_type_node get built before it is given a name, we need to
9143         give those variants the name, too.
9144         (complete_array_type): We need to work with the canonical main
9145         type of the array, from which we will build the qualified version.
9146         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
9147         * print-tree.c (print_node): Display canonical type information
9148         for each type.
9149         * stor-layout.c (layout_type): When we don't know the
9150         alignment of a type for which we're building an array, we end up
9151         guessing wrong, so make the type require structural equality.
9152         * tree.c (make_node_stat): When we build a new type, it is its
9153         own canonical type.
9154         (build_type_attribute_qual_variant): When building an attribute
9155         variant, its canonical type is the non-attribute variant. However,
9156         if the attributes are target-dependent and they differ, we need to
9157         use structural equality checks for this type.
9158         (build_qualified_type): A qualified type is not equivalent to its
9159         unqualified variant; set the canonical type appropriately.
9160         (build_distinct_type_copy): When building a distinct type from
9161         another type, the new type is its own canonical type.
9162         (build_variant_type_copy): When building a new type variant, we
9163         assume that it is equivalent to the original type.
9164         (build_pointer_type_for_mode): When building a pointer type, also
9165         build a canonical type pointer.
9166         (build_reference_type_for_mode): When building a reference type,
9167         also build a canonical type reference.
9168         (build_index_type): When we can't hash an index type (e.g.,
9169         because its maximum value is negative), the index type requires
9170         structural equality tests.
9171         (build_array_type): Build the canonical form of an array type.
9172         (build_function_type): Function types require structural equality,
9173         because they contain default arguments, attributes, etc.
9174         (build_method_type_directly): Ditto for method types.
9175         (build_offset_type): Build the canonical offset type.
9176         (build_complex_type): Build the canonical vector type.
9177         (make_vector_type): Build the canonical vector type.
9178         * tree.h (TYPE_CANONICAL): New.
9179         (TYPE_STRUCTURAL_EQUALITY_P): New.
9180         (SET_TYPE_STRUCTURAL_EQUALITY): New.
9181         (struct tree_type): Added "canonical" field.
9182         * params.h (VERIFY_CANONICAL_TYPES): New.
9183         * doc/c-tree.texi (TYPE_CANONICAL): Document.
9184         (TYPE_STRUCTURAL_EQUALITY_P): Document.
9185         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
9186         * doc/invoke.texi (verify-canonical-types): Document --param
9187         parameter for verifying canonical types.
9188
9189 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9190
9191         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
9192         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
9193         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
9194         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
9195         tm_file.
9196         * config/rs6000/e500.h: New.
9197         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
9198         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
9199         Remove.
9200         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
9201         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
9202         TARGET_E500_DOUBLE): Remove.
9203         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
9204         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
9205         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
9206         * config/rs6000/rs6000.c (rs6000_override_options): Use
9207         CHECK_E500_OPTIONS.
9208
9209 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9210
9211         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
9212         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
9213         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
9214         rs6000_emit_cmove): Don't check TARGET_E500.
9215         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
9216         sordered): Don't check TARGET_E500.
9217
9218 2007-01-01  Eric Christopher  <echristo@apple.com>
9219
9220         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
9221         HARD_REGISTER_NUM_P.
9222
9223 2007-01-01  Roger Sayle  <roger@eyesopen.com>
9224
9225         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
9226         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
9227         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
9228         eq/ne Y".
9229
9230 2007-01-01  Mike Stump  <mrs@apple.com>
9231
9232         * configure.ac: Remove support for building with Apple's gcc-3.1.
9233
9234 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9235
9236         PR middle-end/30311
9237         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
9238         REG is a hard register.  Do not modify REG before calling
9239         subreg_nregs.
9240         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
9241         multiple of the size of YMODE for certain lowpart cases.
9242
9243 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9244
9245         PR middle-end/30253
9246         * gimplify (voidify_wrapper_expr): Update for
9247         GIMPLE_MODIFY_STMT.
9248
9249 2007-01-01  Andreas Schwab  <schwab@suse.de>
9250
9251         PR target/29166
9252         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
9253         save of BR0 in extra_spill_size instead of spill_size.
9254         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
9255         area.
9256         (ia64_expand_epilogue): Restore BR0 from its new location.
9257
9258 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9259
9260         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
9261         Use a temporary variable if the left hand side is not a gimple
9262         register.
9263
9264 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9265
9266         * gimplify.c (gimplify_return_expr): Make the temporary variable
9267         for the return expression, a gimple register variable.
9268
9269 2007-01-01  Jan Hubicka  <jh@suse.cz>
9270
9271         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
9272         INSN_LIST.
9273
9274 2007-01-01  Mike Stump  <mrs@apple.com>
9275
9276         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
9277         .literal16.
9278         * config/darwin.c (machopic_select_rtx_section): Use
9279         HAVE_GAS_LITERAL16.
9280         (darwin_mergeable_constant_section): Likewise.
9281         * configure: Regenerate.
9282         * config.in: Regenerate.
9283
9284 2007-01-01  Jan Hubicka  <jh@suse.cz>
9285             Andrew Pinski  <pinskia@gmail.com>
9286
9287         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
9288         before starting IPA passes.