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