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1 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2
3         PR tree-optimization/39595
4         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
5         interleaved loads group is not  greater than the SLP group size.
6
7 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8
9         * builtins.c (is_builtin_name): New.
10         (called_as_built_in): Use is_builtin_name.
11         * tree.h (is_builtin_name): New.
12         * varasm.c (incorporeal_function_p): Use is_builtin_name
13
14 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
15
16         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
17
18 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
19
20         PR c++/26693
21         * c-decl.c: (clone_underlying_type): Move this ...
22         * c-common.c (set_underlying_type): ... here.
23         Also, make sure the function properly sets TYPE_STUB_DECL() on
24         the newly created typedef variant type.
25         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
26         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
27
28 2009-04-02  Richard Guenther  <rguenther@suse.de>
29
30         PR tree-optimization/37221
31         * tree-flow.h (degenerate_phi_result): Declare.
32         * tree-ssa-dom.c (degenerate_phi_result): Export.
33         * tree-scalar-evolution.c (analyze_initial_condition): If
34         the initial condition is defined by a degenerate PHI node
35         use the degenerate value.
36
37 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
38
39         PR rtl-optimization/39588
40         * combine.c (merge_outer_ops): Do not set the constant when this
41         is not necessary.
42         (simplify_shift_const_1): Do not modify it either in this case.
43
44 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
45
46         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
47         tuning is deprecated if -mtune value is set to an Itanium1 variant.
48
49 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
50
51         PR c/29027
52         * c-lex.c (interpret_float): Default (no suffix) is double.
53
54 2009-04-1  Xinliang David Li  <davidxl@google.com>
55
56         * config/i386/i386.c (legitimate_constant_p): Recognize
57         all one vector constant.
58
59 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
60
61         * gcc/config/vax/vax.c: Add #includes to silence warnings.
62         Change #include order to silence two warnings.
63
64 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
65
66         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
67         (ASM_SPEC): Pass -k to the assembler for PIC code.
68
69 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
70
71         * gcc/config.gcc: Add vax-*-linux* to the switch.
72         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
73         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
74
75 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
76
77         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
78         Use predicate macros instead of GET_CODE() == foo.
79         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
80         ashlsi3, rotrsi3, <unnamed>): Likewise.
81
82 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
83
84         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
85         jbbccihi, jbbccisi): Remova trailing whitespace.
86         * gcc/config/vax/constraints.md: Likewise.
87         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
88         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
89         * gcc/config/vax/predicates.md: Likewise.
90         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
91         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
92         * gcc/config/vax/vax.h: Likewise.
93         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
94
95 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
96
97         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
98         (indirectable_address_p, adjacent_operands_p): Add spaces around
99         braces.
100         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
101
102 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
103
104         * gcc/config/vax/vax.c (legitimate_constant_address_p,
105         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
106         index_term_p, reg_plus_index_p, legitimate_address_p,
107         vax_mode_dependent_address_p): Update comments to match functions
108         modified by the recent int->bool conversion.
109
110 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
111
112         * gcc/config/vax/builtins.md: Update copyright message.
113         * gcc/config/vax/constraints.md: Likewise.
114         * gcc/config/vax/netbsd-elf.h: Likewise.
115         * gcc/config/vax/predicates.md: Likewise.
116         * gcc/config/vax/vax-protos.h: Likewise.
117         * gcc/config/vax/vax.c: Likewise.
118         * gcc/config/vax/vax.h: Likewise.
119         * gcc/config/vax/vax.md: Likewise.
120         * gcc/config/vax/vax.opt: Likewise.
121
122 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
123
124         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
125         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
126         * gcc/config/vax/constraints.md (B, R): Likewise.
127         * gcc/config/vax/predicates.md (external_memory_operand,
128         nonimmediate_addsub_di_operand): Likewise.
129         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
130         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
131         untyped_call): Likewise.
132
133 2009-04-01      Matt Thomas <matt@3am-software.com>
134
135         * config/vax/predicates.md: New file. (symbolic_operand,
136         local_symbolic_operand, external_symbolic_operand,
137         external_const_operand, nonsymbolic_operand, external_memory_operand,
138         indirect_memory_operand, indexed_memory_operand,
139         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
140         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
141         predicate.
142         * config/vax/constraints.md: New file. (Z0, U06,  U08, U16, CN6, S08,
143         S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
144         * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
145         sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
146         sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
147         * config/vax/vax.opt (mqmath): Add option.
148         * config/vax/vax.md (isfx): Extend with DI.
149         (VAXintQH, VAXintQHSD): Define.
150         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
151         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
152         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
153         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
154         (movdi): Update constraints and use vax_output_int_move().
155         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
156         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
157         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
158         nonlocal_goto): New.
159         (mov<mode>): Extend accepted operand types.
160         (subdi3_old): Rename from subdi3, change update constraints and use
161         a new implementation.
162         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
163         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
164         MOVE_RATIO, CLEAR_RATIO): Define.
165         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
166         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
167         (PRINT_OPERAND): Redefine using a function instead of inlined code.
168         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
169         (split_quadword_operands): Make static and really allow variable
170         splitting.
171         (print_operand_address): Update for PIC generation.
172         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
173         indexable_address_p, fixup_mathdi_operand,
174         vax_expand_addsub_di_operands, adjacent_operands_p): New.
175         (vax_float_literal, legitimate_constant_p,
176         indirectable_constant_address_p, index_term_p,
177         reg_plus_index_p): Return bool instead of int.
178         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
179         where needed.
180         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
181         generation.
182         (vax_output_conditional_branch): Indent.
183         (legitimate_constant_address_p, indirectable_constant_address_p,
184         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
185         vax_mode_dependent_address_p): Return bool instead of int, update for
186         PIC generation.
187         * config/vax/vax-protos.h (legitimate_constant_address_p,
188         legitimate_constant_p, legitimate_address_p,
189         vax_mode_dependent_address_p): Change declaration to bool.
190         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
191         vax_expand_addsub_di_operands, vax_output_int_subtract,
192         vax_output_movmemsi): Declare.
193         (split_quadword_operands, vax_float_literal): Delete declaration.
194         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
195         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
196         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
197         ASM_OUTPUT_DWARF_PCREL): Define.
198         (ASM_SPEC): Change definition to allow PIC generation.
199
200 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
201
202         PR target/39226
203         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
204         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
205         (booldi3_internal3): Use boolean_or_operator instead of
206         boolean_operator.
207
208 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
209
210         PR c/39605
211         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
212         declarator whose size is not an integer constant expression but
213         folds to an integer constant, then treat it as a constant
214         subsequently.
215
216 2009-04-01  Richard Guenther  <rguenther@suse.de>
217
218         * fold-const.c (fold_plusminus_mult_expr): Do not fold
219         i * 4 + 2 to (i * 2 + 1) * 2.
220
221 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
222
223         PR c/37772
224         * c-parser.c (c_parser_asm_statement): Skip until close paren and
225         return if c_parser_asm_string_literal returned NULL.
226
227 2009-04-01  Nick Clifton  <nickc@redhat.com>
228
229         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
230         already defined.
231         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
232         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
233         other typedefs to avoid conflicts with libgcc2.c.  Define labels
234         to gain 16-bit bit-manipulation functions from libgcc2.c and then
235         include it.
236         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
237         to gain 16-bit trapping arithmetic functions from libgcc2.c and
238         then include it.
239
240 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
241
242        * varasm.c (default_function_rodata_section): Declare DOT as const char*.
243
244 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
245             Andrey Galkin <agalkin@hypercom.com>
246
247         PR/39492
248         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
249         Make object_name unique for each process.
250
251 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
252
253         PR other/39591
254         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
255         addressable variables in the parallel that could go out of scope while
256         running queued tasks.
257
258 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
259
260         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
261         (CASE_VALUES_THRESHOLD): Redefine.
262         * config/avr/avr.c (avr_override_options): Remove initialization of
263         avr_case_values_threshold variable.
264         (avr_case_values_threshold): Remove variable. Add new function.
265         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
266         * config/avr/avr.opt (mno-tablejump): Remove option.
267         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
268
269 2009-04-01  DJ Delorie  <dj@redhat.com>
270
271         * varasm.c (default_function_rodata_section): Don't assume
272         anything about where the first '.' in the section name is.
273
274 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
275
276         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
277         rs6000_emit_stack_tie.
278
279 2009-03-31  Ian Lance Taylor  <iant@google.com>
280
281         * tree-eh.c (tree_remove_unreachable_handlers): Compare
282         gimple_code with GIMPLE_RESX, not RESX.
283
284 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
285
286         * c-common.c (c_get_ident): New.
287         (c_common_nodes_and_builtins): Call it for type names that may be
288         NULL.
289
290 2009-04-01  Ben Elliston  <bje@au.ibm.com>
291
292         * config/rs6000/sysv4.opt (msdata): Improve option description.
293
294 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
295
296         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
297         (divdf3_internal_lat): Remove.
298         (divxf3_internal_lat): Remove.
299         (divxf3_internal_thr): Remove.
300         (divxf): Use divxf3_internal.
301         * config/ia64/div.md (divsf3_internal_lat): New.
302         (divdf3_internal_lat): New.
303         (divxf3_internal): New.
304
305 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
306
307         PR c/448
308         * Makefile.in (USE_GCC_STDINT): Define.
309         (stmp-int-hdrs): Install stdint.h if applicable.
310         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
311         if known.
312         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
313         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
314         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
315         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
316         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
317         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
318         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
319         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
320         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
321         (c_common_nodes_and_builtins): Initialize
322         underlying_wchar_type_node.  Do not initialize
323         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
324         nodes for new types.
325         (c_stddef_cpp_builtins): Define macros for new types.
326         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
327         Remove.
328         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
329         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
330         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
331         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
332         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
333         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
334         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
335         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
336         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
337         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
338         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
339         int16_type_node, int32_type_node, int64_type_node,
340         uint8_type_node, uint16_type_node, c_uint32_type_node,
341         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
342         int_least32_type_node, int_least64_type_node,
343         uint_least8_type_node, uint_least16_type_node,
344         uint_least32_type_node, uint_least64_type_node,
345         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
346         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
347         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
348         uintptr_type_node): Define.
349         * c-cppbuiltin.c (builtin_define_constants,
350         builtin_define_type_minmax): New.
351         (builtin_define_stdint_macros): Define more macros.
352         (c_cpp_builtins): Define more limit macros.
353         (type_suffix): New.
354         (builtin_define_type_max): Define in terms of
355         builtin_define_type_minmax.  Remove is_long parameter.  All
356         callers changed.
357         * config.gcc (use_gcc_stdint): Define.
358         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
359         Add newlib-stdint.h for generic targets.
360         * config/glibc-stdint.h, config/newlib-stdint.h,
361         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
362         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
363         * config/score/score.h (UINTPTR_TYPE): Define.
364         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
365         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
366         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
367         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
368         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
369         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
370         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
371         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
372         * config/spu/spu.h (STDINT_LONG32): Define.
373         * configure.ac (use_gcc_stdint): Substitute.
374         * configure: Regenerate.
375         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
376         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
377         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
378         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
379         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
380         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
381         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
382         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
383         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
384         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
385         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
386         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
387         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
388         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
389         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
390         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
391         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
392         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
393         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
394         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
395         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
396         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
397         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
398         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
399         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
400         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
401         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
402         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
403         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
404
405 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
406
407         * loop-iv.c (suitable_set_for_replacement): Renamed from
408         simplify_using_assignment; changed to return bool and to accept new
409         args DEST and SRC.  Return true iff we find a source/destination pair
410         that can be used to make a replacement, and fill SRC and DEST if so.
411         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
412         changed.
413         (simplify_using_initial_values): Deal with altered regs here and track
414         more precisely the effect they have on the validity of our expression.
415
416         * loop-iv.c (simplify_using_condition): A condition of the form
417         (EQ REG CONST) can be used to simply make a substitution.
418         (simplify_using_initial_values): Keep track of conditions we have seen
419         and keep using them to simplify new expressions, while applying the
420         same substitutions to them as to the expression.
421
422         * simplify-rtx.c (simplify_relational_operation_1): Simplify
423         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
424         GEU/LTU reversed.
425
426         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
427         changed.  Use this when trying to improve the upper bound.
428         Generate the comparison by using simplify_gen_relational.
429
430         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
431
432         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
433         functions.
434         (simplify_using_assignment, simplify_using_initial_values): Call 
435         replace_in_expr to make replacements.  Call replace_single_def_regs
436         once on the initial version of the expression.
437
438 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
439
440         PR target/27237
441         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
442         
443 2009-03-31  Richard Guenther  <rguenther@suse.de>
444
445         PR middle-end/31029
446         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
447         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
448
449 2009-03-31  Richard Guenther  <rguenther@suse.de>
450
451         * tree.h (div_if_zero_remainder): Declare.
452         * fold-const.c (div_if_zero_remainder): Export.
453         * tree-ssa-forwprop.c
454         (forward_propagate_addr_into_variable_array_index): Handle
455         constant array index addition outside of the variable index.
456
457 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
458
459         PR target/39592
460         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
461         define_splits, floatunssi<mode>2): Require x87 conversions from
462         DImode to be permitted.
463
464 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
465
466         PR preprocessor/15638
467         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
468
469 2009-03-31  Richard Guenther  <rguenther@suse.de>
470
471         PR middle-end/23401
472         PR middle-end/27810
473         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
474         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
475         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
476         a separate statement.
477         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
478         (lookup_tmp_var): Likewise.
479         (is_gimple_formal_tmp_or_call_rhs): Remove.
480         (is_gimple_reg_or_call_rhs): Rename to ...
481         (is_gimple_reg_rhs_or_call): ... this.
482         (is_gimple_mem_or_call_rhs): Rename to ...
483         (is_gimple_mem_rhs_or_call): ... this.
484         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
485         DECL_GIMPLE_REG_P only if is_formal is true.
486         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
487         for non-proper post-modify expression gimplification.
488         (gimplify_self_mod_expr): For post-modify expressions gimplify
489         the lvalue to a minimal lvalue.
490         (rhs_predicate_for): Remove formal temp case.
491         (gimplify_modify_expr_rhs): Likewise.
492         (gimplify_addr_expr): Use is_gimple_reg.
493         (gimplify_expr): Remove formal temp cases.
494         (gimple_regimplify_operands): Likewise.
495         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
496         and FILTER_EXPR like constants.
497         * gimple.c (walk_gimple_op): Fix val_only initialization, use
498         is_gimple_reg.
499         (is_gimple_formal_tmp_rhs): Remove.
500         (is_gimple_reg_rhs): Remove special casing.
501         (is_gimple_mem_rhs): Fix.
502         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
503         (is_gimple_formal_tmp_var): Remove.
504         (is_gimple_formal_tmp_reg): Likewise.
505         (is_gimple_min_lval): Allow invariant component ref parts.
506         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
507         is_gimple_formal_tmp_reg): Remove declarations.
508         * tree-cfg.c (verify_expr): Verify that variables with address
509         taken do not have DECL_GIMPLE_REG_P set.
510         * tree-mudflap.c (mf_build_check_statement_for): Use
511         force_gimple_operand instead of gimplify_expr.
512
513 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
514
515         * modulo-sched.c (sms_schedule_by_order): Pass the actual
516         schedulable rows to compute_split_row.
517
518 2009-03-31  Ben Elliston  <bje@au.ibm.com>
519
520         PR target/31635
521         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
522         OPT_mvrsave.
523
524 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
525
526         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
527         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
528         * configure: Regenerate.
529         * config.in: Regenerate.
530         * config/rs6000/rs6000.opt (mtls-markers): Add.
531         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
532         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
533         (tls_ld_aix, tls_ld_sysv): Likewise.
534         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
535         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
536
537 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
538
539         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
540
541 2009-03-30  Jan Hubicka  <jh@suse.cz>
542
543         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
544         out of RESX.
545         (tree_remove_unreachable_handlers): Cleanup EH predecestor
546         detection and label handling.
547
548 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
549
550         * ira-int.h (ira_allocno): Rename left_conflicts_num to
551         left_conflicts_size.
552         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
553         ALLOCNO_LEFT_CONFLICTS_SIZE.
554
555         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
556         remove_allocno_from_bucket_and_push,
557         allocno_spill_priority_compare, push_allocnos_to_stack,
558         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
559         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
560         (setup_allocno_left_conflicts_num): Ditto.  Rename to
561         setup_allocno_left_conflicts_size.
562         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
563         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
564         setup_allocno_left_conflicts_size instead of
565         setup_allocno_left_conflicts_num.
566
567         * ira-build.c (ira_create_allocno): Use
568         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
569         ALLOCNO_LEFT_CONFLICTS_NUM.
570                 
571 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
572
573         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
574         instead of DF_LR_OUT.
575
576         * ira-lives.c (process_bb_node_lives): Ditto.
577
578         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
579         instead of DF_LR_{OUT,IN}.
580
581         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
582
583         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
584
585 2009-03-30  Jan Hubicka  <jh@suse.cz>
586
587         * except.c (label_to_region_map): Fix thinko.
588
589 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
590
591         PR middle-end/38237
592         * tree.h (tree_find_value): New declaration.
593         * tree.c (tree_find_value): New function.
594         * varasm.c (assemble_external): Avoid duplicate entries on lists.
595
596 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
597
598         PR debug/39563
599         * c-decl.c (struct c_binding): Add locus field.
600         (bind): Add locus argument, set locus field from it.
601         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
602         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
603         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
604         implicitly_declare, undeclared_variable, lookup_label,
605         declare_label, c_make_fname_decl, c_builtin_function,
606         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
607         bind callers.
608
609 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
610
611         PR target/38781
612         * config/i386/i386.c (classify_argument): Check total size of
613         structure.
614
615 2009-03-30  Martin Jambor  <mjambor@suse.cz>
616
617         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
618         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
619         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
620         respectively.
621
622         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
623         seen_variable_array_ref while also traversing a union.
624
625         * tree-inline.c (optimize_inline_calls): Do not call
626         cgraph_node_remove_callees.
627         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
628         (pass_remove_cgraph_callee_edges): New variable.
629         * passes.c (init_optimization_passes): Add
630         pass_remove_cgraph_callee_edges after early inlining and before all
631         late intraprocedural passes.
632
633         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
634
635 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
636
637         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
638         Fix typos in names.
639
640 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
641
642         * combine.c (simplify_comparison): Use have_insn_for.
643         * dojump.c (do_jump): Likewise.
644
645 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
646
647         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
648         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
649         sparc_compare_op0 like sparc_compare_emitted used to be handled.
650         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
651         instead of sparc_compare_emitted.
652         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
653         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
654         instead of sparc_compare_emitted.
655
656 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
657
658         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
659         enter/exit cfglayout mode.
660         (pass_partition_block): Require it.
661         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
662         (combine_instructions): Track basic blocks instead of labels.
663         (update_cfg_for_uncondjump): New.
664         (try_combine): Use it.  Update jumps after rescanning.
665         (pass_combine): Require PROP_cfglayout.
666         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
667
668 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
669
670         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
671         Provide/destroy PROP_cfglayout respectively.
672         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
673         * tree-pass.h (PROP_cfglayout): New.
674
675 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
676
677         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
678         fold_convert_const_fixed_from_fixed,
679         fold_convert_const_fixed_from_int,
680         fold_convert_const_fixed_from_real, fold_negate_const): Do not
681         set TREE_CONSTANT_OVERFLOW.
682         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
683         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
684
685 2009-03-30  Ira Rosen  <irar@il.ibm.com>
686
687         * tree-vect-loop-manip.c: New file.
688         * tree-vectorizer.c: Update documentation and included files.
689         (vect_loop_location): Make extern.
690         (rename_use_op): Move to tree-vect-loop-manip.c
691         (rename_variables_in_bb, rename_variables_in_loop, 
692         slpeel_update_phis_for_duplicate_loop, 
693         slpeel_update_phi_nodes_for_guard1,
694         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
695         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
696         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
697         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
698         find_loop_location): Likewise.
699         (new_stmt_vec_info): Move to tree-vect-stmts.c.
700         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
701         get_vectype_for_scalar_type, vect_is_simple_use,
702         supportable_widening_operation, supportable_narrowing_operation):
703         Likewise.
704         (bb_in_loop_p): Move to tree-vect-loop.c.
705         (new_loop_vec_info, destroy_loop_vec_info, 
706         reduction_code_for_scalar_code, report_vect_op, 
707         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
708         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
709         (vect_supportable_dr_alignment): Likewise.
710         * tree-vectorizer.h (tree-data-ref.h): Include.
711         (vect_loop_location): Declare.
712         Reorganize function declarations according to the new file structure.
713         * tree-vect-loop.c: New file.
714         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
715         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
716         * tree-vect-data-refs.c: New file.
717         * tree-vect-patterns.c (timevar.h): Don't include.
718         * tree-vect-stmts.c: New file.
719         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
720         tree-vect-slp.c, tree-vect-loop.c.
721         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
722         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
723         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
724         (tree-vect-analyze.o): Remove.
725         (tree-vect-transform.o): Likewise.
726         (tree-vect-data-refs.o): Add rule.
727         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
728         tree-vect-slp.o): Likewise.
729         (tree-vect-patterns.o): Remove redundant dependencies.
730         (tree-vectorizer.o): Likewise.
731         * tree-vect-slp.c: New file.
732
733 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
734
735         * optc-gen.awk: Warn if an option flag has multiple different
736         help strings.
737
738 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
739
740         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
741         -floop-block): Document dependences on PPL, CLooG and Graphite.
742
743 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
744
745         PR rtl-optimization/323
746         * c-common.c (c_fully_fold, convert_and_check,
747         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
748         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
749         * c-common.def (EXCESS_PRECISION_EXPR): New.
750         * c-cppbuiltin.c (builtin_define_float_constants): Define
751         constants with enough digits for long double.
752         * c-lex.c (interpret_float): Interpret constant with excess
753         precision where appropriate.
754         * c-opts.c (c_common_post_options): Set
755         flag_excess_precision_cmdline.  Give an error for
756         -fexcess-precision=standard for C++ for processors where the
757         option is significant.
758         * c-parser.c (c_parser_conditional_expression): Handle excess
759         precision in condition.
760         * c-typeck.c (convert_arguments): Handle arguments with excess
761         precision.
762         (build_unary_op): Move excess precision outside operation.
763         (build_conditional_expr): Likewise.
764         (build_compound_expr): Likewise.
765         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
766         (build_modify_expr): Handle excess precision in RHS.
767         (convert_for_assignment): Handle excess precision in converted
768         value.
769         (digest_init, output_init_element, process_init_element): Handle
770         excess precision in initializer.
771         (c_finish_return): Handle excess precision in return value.
772         (build_binary_op): Handle excess precision in operands and add
773         excess precision as needed for operation.
774         * common.opt (-fexcess-precision=): New option.
775         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
776         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
777         For standard excess precision, output explicit conversion to and
778         truncation from XFmode.
779         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
780         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
781         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
782         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
783         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
784         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
785         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
786         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
787         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
788         define_splits, sqrt<mode>2): Disable where appropriate for
789         standard excess precision.
790         * convert.c (convert_to_real): Do not shorten arithmetic to type
791         for which excess precision would be used.
792         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
793         * doc/invoke.texi (-fexcess-precision=): Document option.
794         (-mfpmath=): Correct index entry.
795         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
796         flag_excess_precision): New.
797         * langhooks.c (lhd_post_options): Set
798         flag_excess_precision_cmdline.
799         * opts.c (common_handle_option): Handle -fexcess-precision=.
800         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
801         init_excess_precision): New.
802         (lang_dependent_init_target): Call init_excess_precision.
803         * tree.c (excess_precision_type): New.
804         * tree.h (excess_precision_type): Declare.
805
806 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
807
808         PR c/35235
809         * c-typeck.c (build_component_ref): Do not copy qualifiers from
810         non-lvalue to component.
811
812 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
813
814         PR preprocessor/34695
815         * Makefile.in (c-opts.o): Depend on c-tree.h.
816         * c-common.c: Move down include of diagnostic.h.
817         (done_lexing, c_cpp_error): New.
818         * c-common.h (done_lexing): Declare.
819         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
820         (parse_in).
821         * c-opts.c: Include c-tree.h.
822         (c_common_init_options): Set preprocessor error callback.
823         (c_common_handle_option): Do not set preprocessor
824         inhibit_warnings, warnings_are_errors, warn_system_headers,
825         pedantic_errors or inhibit_warnings flags.
826         (c_common_post_options): Do not check cpp_errors (parse_in).
827         (c_common_finish): Do not output dependencies if there were
828         errors.  Do not check return value of cpp_finish.
829         * c-ppoutput.c (pp_file_change): Set input_location.
830         * c-tree.h (c_cpp_error): Declare.
831         * diagnostic.c (diagnostic_set_info_translated): Also initialize
832         override_column.
833         (diagnostic_build_prefix): Check override_column.
834         * diagnostic.h (diagnostic_info): Add override_column field.
835         (diagnostic_override_column): Define.
836
837 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
838
839         * c-common.c (c_expand_expr, c_staticp): Remove.
840         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
841         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
842         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
843         * c-gimplify.c (gimplify_compound_literal_expr,
844         optimize_compound_literals_in_ctor): Remove.
845         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
846         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
847         * c-semantics.c (emit_local_var): Remove.
848
849         * langhooks-def.h (lhd_expand_expr): Remove.
850         * langhooks.c (lhd_expand_expr): Remove.
851         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
852
853         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
854         handling from c-semantics.c; don't call into langhook.
855         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
856         * gimplify.c (gimplify_compound_literal_expr,
857         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
858         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
859         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
860         as was done in c-gimplify.c.
861         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
862         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
863         Move from c-common.h.
864         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
865
866         * tree.c (staticp): Do not call langhook.
867         * langhooks.c (lhd_staticp): Delete.
868         * langhooks-def.h (lhd_staticp): Delete prototype.
869         (LANG_HOOKS_STATICP): Delete.
870         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
871
872         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
873         instead of DECL_STMTs.
874
875 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
876
877         PR c/456
878         PR c/5675
879         PR c/19976
880         PR c/29116
881         PR c/31871
882         PR c/35198
883         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
884         void_type_node.
885         (fold_call_expr): Return a NOP_EXPR from folding rather than the
886         contained expression.
887         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
888         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
889         conditional expressions for C.
890         (decl_constant_value_for_optimization): Move from
891         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
892         whether optimizing and that the expression is a VAR_DECL not of
893         array type instead of doing such checks in the caller.  Do not
894         check pedantic.  Call gcc_unreachable for C++.
895         * c-common.def (C_MAYBE_CONST_EXPR): New.
896         * c-common.h (c_fully_fold, c_save_expr,
897         decl_constant_value_for_optimization): New prototypes.
898         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
899         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
900         EXPR_INT_CONST_OPERANDS): Define.
901         * c-convert.c (convert): Strip nops from expression.
902         * c-decl.c (groktypename): Take extra parameters expr and
903         expr_const_operands.  Update call to grokdeclarator.
904         (start_decl): Update call to grokdeclarator.  Add statement for
905         expressions used in type of decl.
906         (grokparm): Update call to grokdeclarator.
907         (push_parm_decl): Update call to grokdeclarator.
908         (build_compound_literal): Add parameter non_const and build a
909         C_MAYBE_COSNT_EXPR if applicable.
910         (grokdeclarator): Take extra parameters expr and
911         expr_const_operands.  Track expressions used in declaration
912         specifiers and declarators.  Fold array sizes and track whether
913         they are constant expressions and whether they are integer
914         constant expressions.
915         (parser_xref_tag): Set expr and expr_const_operands fields in
916         return value.
917         (grokfield): Update call to grokdeclarator.
918         (start_function): Update call to grokdeclarator.
919         (build_null_declspecs): Set expr and expr_const_operands fields in
920         return value.
921         (declspecs_add_type): Handle expressions in typeof specifiers.
922         * c-parser.c (c_parser_declspecs): Set expr and
923         expr_const_operands fields for declaration specifiers.
924         (c_parser_enum_specifier): Likewise.
925         (c_parser_struct_or_union_specifier): Likewise.
926         (c_parser_typeof_specifier): Likewise.  Update call to
927         groktypename.  Fold expression as needed.  Return expressions with
928         type instead of adding statements.
929         (c_parser_attributes): Update calls to c_parser_expr_list.
930         (c_parser_statement_after_labels): Fold expression before passing
931         to objc_build_throw_stmt.
932         (c_parser_condition): Fold expression.
933         (c_parser_asm_operands): Fold expression.
934         (c_parser_conditional_expression): Use c_save_expr.  Update call
935         to build_conditional_expr.
936         (c_parser_alignof_expression): Update call to groktypename.
937         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
938         original_code.  Fold expression argument of va_arg.  Create
939         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
940         argument to va_arg.  Update calls to groktypename.  Fold array
941         index for offsetof.  Verify that first argument to
942         __builtin_choose_expr has integer type.
943         (c_parser_postfix_expression_after_paren_type): Update calls to
944         groktypename and build_compound_literal.  Handle expressions with
945         side effects in type name.
946         (c_parser_postfix_expression_after_primary): Update call to
947         c_parser_expr_list.  Set original_code for calls to
948         __builtin_constant_p.
949         (c_parser_expr_list): Take extra parameter fold_p.  Fold
950         expressions if requested.
951         (c_parser_objc_type_name): Update call to groktypename.
952         (c_parser_objc_synchronized_statement): Fold expression.
953         (c_parser_objc_receiver): Fold expression.
954         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
955         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
956         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
957         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
958         (struct c_typespec): Add elements expr and expr_const_operands.
959         (struct c_declspecs): Add elements expr and expr_const_operands.
960         (groktypename, build_conditional_expr, build_compound_literal):
961         Update prototypes.
962         (in_late_binary_op): Declare.
963         * c-typeck.c (note_integer_operands): New function.
964         (in_late_binary_op): New variable.
965         (decl_constant_value_for_broken_optimization): Move to c-common.c
966         and rename to decl_constant_value_for_optimization.
967         (default_function_array_conversion): Do not strip nops.
968         (default_conversion): Do not call
969         decl_constant_value_for_broken_optimization.
970         (build_array_ref): Do not fold result.
971         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
972         result when operand is a VLA.
973         (c_expr_sizeof_type): Update call to groktypename.  Handle
974         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
975         result when operand names a VLA type.
976         (build_function_call): Update call to build_compound_literal.
977         Only fold result for calls to __builtin_* functions.  Strip
978         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
979         the function designator.
980         (convert_arguments): Fold arguments.  Update call to
981         convert_for_assignment.
982         (build_unary_op): Handle increment and decrement of
983         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
984         decrement earlier.  Fold operand of increment and decrement.
985         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
986         built for integer operand.  Wrap returns that are INTEGER_CSTs
987         without being integer constant expressions or that have integer
988         constant operands without being INTEGER_CSTs.
989         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
990         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
991         result is an integer constant expression or can be used in
992         unevaluated parts of one and avoid folding and wrap as
993         appropriate.  Fold operands before possibly doing -Wsign-compare
994         warnings.
995         (build_compound_expr): Wrap result for C99 if operands can be used
996         in integer constant expressions.
997         (build_c_cast): Update call to digest_init.  Do not ignore
998         overflow from casting floating-point constants to integers.  Wrap
999         results that could be confused with integer constant expressions,
1000         null pointer constants or floating-point constants.
1001         (c_cast_expr): Update call to groktypename.  Handle expressions
1002         included in type name.
1003         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
1004         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
1005         Update calls to convert_for_assignment.
1006         (convert_for_assignment): Take new parameter
1007         null_pointer_constant.  Do not strip nops or call
1008         decl_constant_value_for_broken_optimization.  Set
1009         in_late_binary_op for conversions to boolean.
1010         (store_init_value): Update call to digest_init.
1011         (digest_init): Take new parameter null_pointer_constant.  Do not
1012         call decl_constant_value_for_broken_optimization.  pedwarn for
1013         initializers not constant expressions.  Update calls to
1014         convert_for_assignment.
1015         (constructor_nonconst): New.
1016         (struct constructor_stack): Add nonconst element.
1017         (really_start_incremental_init, push_init_level, pop_init_level):
1018         Handle constructor_nonconst and nonconst element.
1019         (set_init_index): Call constant_expression_warning for array
1020         designators.
1021         (output_init_element): Fold value.  Set constructor_nonconst as
1022         applicable.  pedwarn for initializers not constant expressions.
1023         Update call to digest_init.  Call constant_expression_warning
1024         where constant initializers are required.
1025         (process_init_element): Use c_save_expr.
1026         (c_finish_goto_ptr): Fold expression.
1027         (c_finish_return): Fold return value.  Update call to
1028         convert_for_assignment.
1029         (c_start_case): Fold switch expression.
1030         (c_process_expr_stmt): Fold expression.
1031         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1032         ensure statement expression is not evaluated in constant expression.
1033         (build_binary_op): Track whether results are integer constant
1034         expressions or may occur in such, disable folding and wrap results
1035         as applicable.  Fold operands for -Wsign-compare warnings unless
1036         in_late_binary_op.
1037         (c_objc_common_truthvalue_conversion): Handle results folded to
1038         integer constants that are not integer constant expressions.
1039         * doc/extend.texi: Document when typeof operands are evaluated,
1040         that condition of __builtin_choose_expr is an integer constant
1041         expression, and more about use of __builtin_constant_p in
1042         initializers.
1043
1044 2009-03-29  Richard Guenther  <rguenther@suse.de>
1045
1046         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1047         propagate addresses of array references.
1048
1049 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1050
1051         * regmove.c (perhaps_ends_bb_p): Remove.
1052         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
1053         from INSN and check that the main loop stays within that basic block.
1054         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1055         (regmove_forward_pass): Split out from regmove_optimize.  Use
1056         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1057         (regmove_backward_pass): Split out from regmove_optimize.  Use
1058         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1059         (regmove_optimize): Simplify.
1060
1061 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
1062
1063         PR target/39545
1064         * config/i386/i386.c (classify_argument): Ignore flexible array
1065         member in struct and warn ABI change.
1066
1067 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
1068
1069         * config/i386/i386-protos.h (ix86_agi_dependent): New.
1070
1071         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1072         (ix86_adjust_cost): Updated.
1073
1074 2009-03-29  Jan Hubicka  <jh@suse.cz>
1075
1076         PR middle-end/28850
1077         * tree-pass.h (pass_cleanup_eh): New function.
1078         (remove_unreachable_regions): Break code handling RTL
1079         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1080         that can not be reached by runtime.
1081         (can_be_reached_by_runtime): New function.
1082         (label_to_region_map): New function.
1083         (num_eh_regions): New function.
1084         (rtl_remove_unreachable_regions): New function.
1085         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1086         (remove_eh_region): New function.
1087         * except.h: Include sbitmap and vecprim.
1088         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1089         num_eh_regions): Declare.
1090         * passes.c (init_optimization_passes): Schedule cleanup_eh.
1091         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1092         * tree-eh.c (tree_remove_unreachable_handlers): New function.
1093         (tree_empty_eh_handler_p): New function.
1094         (cleanup_empty_eh): New function.
1095         (cleanup_eh): New function.
1096         (pass_cleanup_eh): New function.
1097
1098 2009-03-29  Jan Hubicka  <jh@suse.cz>
1099
1100         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1101         for removed regions.
1102
1103 2009-03-29  Jan Hubicka  <jh@suse.cz>
1104
1105         * except.c (dump_eh_tree): Dump all datastructures.
1106
1107 2009-03-29  Jan Hubicka  <jh@suse.cz>
1108
1109         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1110         (duplicate_eh_regions_1): Likewise.
1111         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1112         vector; call EH verification.
1113         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1114         Be ready for region being removed.
1115
1116 2009-03-29  Jan Hubicka  <jh@suse.cz>
1117
1118         * bitmap.c (bitmap_last_set_bit): New function.
1119         * bitmap.h (bitmap_last_set_bit): Declare.
1120
1121 2009-03-29  David Ayers  <ayers@fsfe.org>
1122
1123         PR objc/27377
1124         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1125         by calling objc_compare_types and surpress warnings about
1126         incompatible C pointers that are compatible ObjC pointers.
1127         
1128 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
1129
1130         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1131         call initialize_inline_failed.
1132         (initialize_inline_failed): Move it from here ...
1133         * cgraph.c (initialize_inline_failed): ... to here.
1134         (cgraph_create_edge): Call initialize_inline_failed rather than
1135         setting inline_failed directly.
1136
1137 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1138
1139         PR target/32542
1140         * sysv4.opt (msdata): Improve comment.
1141         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1142         * sysv4.h (SVR4_ASM_SPEC): Likewise.
1143
1144 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1145
1146         PR target/30451
1147         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1148         load and store attributes.
1149
1150 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1151
1152         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1153         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1154         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1155         * doc/extend.texi (X86 Built-in Functions): Add index entries for
1156         __builtin_infq and __builtin_huge_valq.
1157
1158 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
1159
1160         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
1161         atmega8m1 devices.
1162         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1163         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
1164
1165 2009-03-28  Xinliang David Li  <davidxl@google.com>
1166
1167         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
1168         (do_dbg_cnt): New function.
1169
1170 2009-03-28  Jan Hubicka  <jh@suse.cz>
1171
1172         Merge from pretty-ipa:
1173
1174         2009-03-27  Jan Hubicka  <jh@suse.cz>
1175
1176         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1177         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
1178         * passes.c (function_called_by_processed_nodes_p): New.
1179         * ipa-pure-const.c (check_call): Fix handling of operands.
1180         (analyze_function): Dump debug output for skipped bodies.
1181         (local_pure_const): Use function_called_by_processed_nodes_p.
1182         * dwarf2out.c (reference_to_unused): Use output.
1183         * passes.c (do_per_function_toporder): Likewise.
1184
1185         2008-11-12  Jan Hubicka  <jh@suse.cz>
1186
1187         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
1188         * ipa-pure-const.c (funct_state_d): Add can throw field; make
1189         state_set_in_source enum
1190         (check_decl): Ignore memory tags; do not set fake looping flags;
1191         dump diagnostics.
1192         (check_operand, check_tree, check_rhs_var, check_lhs_var,
1193         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
1194         (check_call, analyze_function): Rewrite.
1195         (check_stmt): New.
1196         (add_new_function): Update call of analyze_function.
1197         (generate_summary): Add call of analyze_function.
1198         (propagate): Propagate can_throw; handle state_set_in_source correctly.
1199         (local_pure_const): New function.
1200         (pass_local_pure_const): New pass.
1201         * ipa-inline.c (inline_transform): Set after_inlining.
1202         * tree-eh.c (stmt_can_throw_external): New.
1203         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
1204         work with aliasing built.
1205         * tree-flow.h (stmt_can_throw_external): New.
1206         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
1207         and local pure/const pass in early and late optimization queue.
1208
1209 2009-03-28  Martin Jambor  <mjambor@suse.cz>
1210
1211         * fold-const.c (get_pointer_modulus_and_residue): New parameter
1212         allow_func_align.
1213         (fold_binary): Allow function decl aligment consideration is the
1214         second argument is integer constant one.
1215         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
1216         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
1217         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
1218
1219 2009-03-28  Jan Hubicka  <jh@suse.cz>
1220
1221         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
1222         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
1223         * function.h (rtl_data): Add nothrow flag.
1224         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
1225         set DECL_NOTHROW for AVAILABLE functions.
1226
1227 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
1228
1229         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
1230         following vector keyword has expansion starting with pixel or bool
1231         keyword, expand vector to __vector and pixel or bool to __pixel or
1232         __bool.
1233
1234         PR c++/39554
1235         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
1236         warn_if_disallowed_function_p): Removed.
1237         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
1238         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
1239         warning_if_disallowed_function_p.
1240         * flags.h (warn_if_disallowed_function_p,
1241         warn_disallowed_functions): Removed.
1242         * common.opt (Wdisallowed-function-list=): Removed.
1243         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
1244
1245 2009-03-28  Richard Guenther  <rguenther@suse.de>
1246
1247         PR tree-optimization/38723
1248         * tree-ssa-pre.c (compute_avail): Add all default definitions to
1249         the entry block.
1250
1251 2009-03-28  Jan Hubicka  <jh@suse.cz>
1252
1253         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
1254         test introduced by my previous patch.
1255
1256 2009-03-28  Richard Guenther  <rguenther@suse.de>
1257
1258         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
1259         the PHIs value undefined.
1260
1261 2009-03-28  Jan Hubicka  <jh@suse.cz>
1262
1263         * tree-pass.h (pass_fixup_cfg): New pass.
1264         * ipa-inline.c (inline_transform): Set
1265         always_inline_functions_inlined/after_inlining.
1266         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
1267         (pass_fixup_cfg): New pass.
1268         * passes.c (init_optimization_passes): Add fixup_cfg.
1269
1270 2009-03-28  Richard Guenther  <rguenther@suse.de>
1271
1272         PR tree-optimization/38458
1273         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
1274         argument use the arguments copy-of value.
1275
1276 2009-03-28  Richard Guenther  <rguenther@suse.de>
1277
1278         PR tree-optimization/38180
1279         * tree-ssa-ccp.c (get_default_value): Simplify.
1280         (likely_value): Likewise.
1281         (surely_varying_stmt_p): Properly handle VOP case.
1282         (ccp_initialize): Likewise.
1283         (ccp_fold): Handle propagating through *&.
1284         (fold_const_aggregate_ref): Also handle decls.
1285
1286 2009-03-28  Jan Hubicka  <jh@suse.cz>
1287
1288         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1289         * cgraph.h (cgraph_node): Likewise.
1290         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
1291         (cgraph_reset_node): Use process flag.
1292         (cgraph_mark_functions_to_output): Likewise.
1293         (cgraph_expand_function): Likewise.
1294         (cgraph_expand_all_functions): Likewise.
1295         (cgraph_output_in_order): Likewise.
1296         * dwarf2out.c (reference_to_unused): Likewise.
1297         * passes.c do_per_function_toporder): Likewise.
1298
1299 2009-03-28  Jan Hubicka  <jh@suse.cz>
1300
1301         Bring from lto-branch:
1302
1303         2008-09-03  Doug Kwan  <dougkwan@google.com>
1304
1305         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
1306         enums instead of reason strings.
1307         * cgraph.c (cgraph_create_edge): Same.
1308         (cgraph_inline_failed_string): New function.
1309         * cgraph.h (cgraph_inline_failed_t): New enum type.
1310         (cgraph_inline_failed_string): New prototype.
1311         (struct cgraph_edge): Change type of INLINED_FAILED from constant
1312         char pointer to cgraph_inline_failed_t.
1313         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
1314         (cgraph_default_inline_p): Ditto.
1315         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
1316         to cgraph_inline_failed_t pointer.
1317         * cif-code.def: New file.
1318         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
1319         reason string.
1320         (cgraph_check_inline_limits): Change type of REASON to pointer to
1321         cgraph_inline_failed_t.  Replace reason strings with enums.
1322         (cgraph_default_inline_p): Ditto.
1323         (cgraph_recursive_inlining_p): Ditto.
1324         (update_caller_keys): Change type of FAILED_REASON to
1325         cgraph_inline_failed_t.
1326         (cgraph_set_inline_failed): Change type of REASON to pointer to
1327         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
1328         convert enums to strings for text output.
1329         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
1330         to be of type cgraph_inline_failed_t.  Replace reason strings with
1331         enums.  Call cgraph_inline_failed_string to covert enums
1332         to strings for text output.
1333         (cgraph_decide_inlining): Replace reason strings with enums.
1334         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
1335         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
1336         for text output.
1337         * tree-inline.c (expand_call_inline): Change type of REASON
1338         to cgraph_inline_failed_t.  Replace reason strings with enums.
1339         Call cgraph_inline_failed_string for text output.
1340         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
1341         (cgraph.o): Ditto.
1342
1343 2009-03-28  Jan Hubicka  <jh@suse.cz>
1344
1345         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
1346         cgraph_clone_node): Remove master clone handling.
1347         (cgraph_is_master_clone, cgraph_master_clone): Remove.
1348         * cgraph.h (master_clone): Remove.
1349         (cgraph_is_master_clone, cgraph_master_clone): Remove.
1350         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
1351         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1352
1353 2009-03-28  Jan Hubicka  <jh@suse.cz>
1354
1355         * cgraph.c (cgraph_function_body_availability): Functions declared
1356         inline are always safe to assume that it is not going to be replaced.
1357
1358 2009-03-28  Richard Guenther  <rguenther@suse.de>
1359
1360         PR tree-optimization/38513
1361         * tree-ssa-pre.c (eliminate): Remove redundant stores.
1362         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1363         EXC_PTR_EXPR and FILTER_EXPR.
1364         (get_ref_from_reference_ops): Likewise.
1365
1366 2009-03-28  Richard Guenther  <rguenther@suse.de>
1367
1368         PR tree-optimization/38968
1369         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1370         Use FLOOR_MOD_EXPR to compute misalignment.
1371
1372 2009-03-28  Richard Guenther  <rguenther@suse.de>
1373
1374         PR tree-optimization/37795
1375         * tree.h (combine_comparisons): Declare.
1376         * fold-const.c (combine_comparisons): Export.
1377         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
1378         comparisons.
1379         (ifcombine_iforif): Use combine_comparisons.
1380
1381 2009-03-28  Jan Hubicka  <jh@suse.cz>
1382
1383         * tree-eh.c (inlinable_call_p): New function.
1384         (make_eh_edges): Use it.
1385         (verify_eh_edges): Use it.
1386         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
1387         * except.c (reachable_next_level): Add inlinable_function argument
1388         (sjlj_find_directly_reachable_regions): Update.
1389         (add_reachable_handler): Do not set saw_any_handlers.
1390         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
1391         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1392         Add new inlinable call parameter.
1393         (can_throw_internal, can_throw_external): Update.
1394         * except.h (can_throw_internal_1, can_throw_external_1,
1395         foreach_reachable_handler): Update declaration.
1396
1397 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
1398
1399         * config/arm/t-arm-coff, config/h8300/coff.h,
1400         config/i386/i386-aout.h, config/i386/i386-coff.h,
1401         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
1402         config/pdp11/2bsd.h, config/rs6000/aix41.h,
1403         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
1404         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
1405         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
1406         sys-types.h: Remove.
1407         * Makefile.in: Remove protoize and fixproto support and references
1408         in comments.
1409         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
1410         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
1411         Remove.
1412         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
1413         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
1414         unprotoize$(exeext).
1415         (rest.encap): Don't depend on $(STMP_FIXPROTO)
1416         (.PHONY): Don't depend on proto.
1417         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
1418         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
1419         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1420         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1421         build/gen-protos.o, build/scan.o, xsys-protos.h,
1422         build/fix-header$(build_exeext), build/fix-header.o,
1423         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1424         stmp-install-fixproto): Remove.
1425         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1426         SYSCALLS.c or fixproto files.
1427         (install-common): Don't install protoize.
1428         (install-headers-tar, install-headers-cpio, install-headers-cp):
1429         Don't depend on $(STMP_FIXPROTO).
1430         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
1431         install fixproto files or write out fixproto settings.
1432         (uninstall): Don't uninstall protoize.
1433         * config.gcc (use_fixproto): Remove.
1434         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1435         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1436         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1437         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1438         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1439         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1440         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1441         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1442         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1443         * config/t-vxworks (STMP_FIXPROTO): Remove.
1444         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1445         STMP_FIXPROTO): Remove.
1446         * config.in, configure: Regenerate.
1447         * crtstuff.c (gid_t, uid_t): Don't undefine.
1448         * doc/install.texi: Change m68k-coff to m68k-elf in example.
1449         (arm-*-coff, arm-*-aout: Remove target entries.
1450         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1451         Remove mention of AIX 4.1.
1452         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1453         * doc/invoke.texi (Running Protoize): Remove.
1454         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1455         (Protoize Caveats): Remove.
1456         * tsystem.h: Update comments on headers assumed to exist.
1457
1458 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
1459
1460         * genautomata.c: Add a new year to the copyright.  Add a new
1461         reference.
1462         (struct insn_reserv_decl): Add comments for member bypass_list.
1463         (find_bypass): Remove.
1464         (insert_bypass): New.
1465         (process_decls): Use insert_bypass.
1466         (output_internal_insn_latency_func): Output all bypasses with the
1467         same input insn in one switch case.
1468
1469         * rtl.def (define_bypass): Describe bypass choice.
1470         * doc/md.texi (define_bypass): Ditto.
1471
1472 2009-03-27  Richard Guenther  <rguenther@suse.de>
1473
1474         * gimplify.c (mark_addressable): Export.
1475         * tree-flow.h (mark_addressable): Declare.
1476         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1477         * tree-ssa.c (verify_phi_args): Verify that address taken
1478         variables have TREE_ADDRESSABLE set.
1479
1480 2009-03-27  Richard Guenther  <rguenther@suse.de>
1481
1482         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1483         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
1484         Do not mark decls TREE_ADDRESSABLE.
1485         (build_fold_addr_expr): Adjust.
1486         (fold_addr_expr): Remove.
1487         (fold_unary): Use build_fold_addr_expr.
1488         (fold_comparison): Likewise.
1489         (split_address_to_core_and_offset): Likewise.
1490         * coverage.c (tree_coverage_counter_addr): Mark the array decl
1491         TREE_ADDRESSABLE.
1492         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1493         (gimplify_modify_expr_to_memcpy): Mark source and destination
1494         addressable.
1495         * omp-low.c (create_omp_child_function): Mark the object decl
1496         TREE_ADDRESSABLE.
1497         (lower_rec_input_clauses): Mark the var we take the address of
1498         TREE_ADDRESSABLE.
1499         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1500
1501 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1502
1503         PR middle-end/39315
1504         * cfgexpand.c (expand_one_stack_var_at): Change alignment
1505         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1506
1507 2009-03-27  Richard Guenther  <rguenther@suse.de>
1508
1509         PR tree-optimization/39120
1510         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1511         constraints.
1512         (handle_lhs_call): Process return constraints.  Add escape
1513         constraints if necessary.
1514         (handle_const_call): Fill out return constraints.  Make nested
1515         case more precise.  Avoid consttmp if possible.
1516         (handle_pure_call): Fill out return constraints.  Avoid
1517         callused if possible.
1518         (find_func_aliases): Simplify call handling.
1519
1520 2009-03-27  Richard Guenther  <rguenther@suse.de>
1521
1522         PR tree-optimization/39120
1523         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1524         as a representative.
1525         (solve_graph): Do propagate CALLUSED.
1526         (handle_pure_call): Use a scalar constraint from CALLUSED for
1527         the return value.
1528         (find_what_p_points_to): CALLUSED shall not appear in poins-to
1529         solutions.
1530
1531 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1532
1533         PR c/39323
1534         * c-common.c (handle_aligned_attribute): Properly check alignment
1535         overflow.  Use (1U << i) instead of (1 << i).
1536
1537         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1538
1539         * expr.h (get_mem_align_offset): Updated.
1540
1541         * tree.h (tree_decl_common): Change align to "unsigned int" and
1542         move it before pointer_alias_set.
1543
1544 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1545             Jakub Jelinek  <jakub@redhat.com>
1546
1547         PR target/38034
1548         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1549         gr_register_operand with gr_reg_or_0_operand.
1550         (cmpxchg_rel_di): Likewise.
1551         (sync_lock_test_and_set<mode>): Likewise.
1552
1553 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1554
1555         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1556         (true_regnum): Likewise.
1557
1558         * rtlanal.c (subreg_info): Moved to ...
1559         * rtl.h (subreg_info): Here.  New.
1560         (subreg_get_info): New.
1561
1562         * rtlanal.c (subreg_get_info): Make it extern.
1563
1564 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1565
1566         PR target/39472
1567         * config/i386/i386.c (ix86_abi): New.
1568         (override_options): Handle -mabi=.
1569         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1570         (ix86_call_abi_override): Likewise.
1571         (init_cumulative_args): Likewise.
1572         (function_arg_advance): Likewise.
1573         (function_arg_64): Likewise.
1574         (function_arg): Likewise.
1575         (ix86_pass_by_reference): Likewise.
1576         (ix86_function_value_regno_p): Likewise.
1577         (ix86_build_builtin_va_list_abi): Likewise.
1578         (setup_incoming_varargs_64): Likewise.
1579         (is_va_list_char_pointer): Likewise.
1580         (ix86_init_machine_status): Likewise.
1581         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1582         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
1583         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
1584         (ix86_function_abi): Make it static and return enum calling_abi.
1585         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
1586         with ix86_abi.
1587         (ix86_fn_abi_va_list): Updated.
1588
1589         * config/i386/i386.h (ix86_abi): New.
1590         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1591         (CONDITIONAL_REGISTER_USAGE): Likewise.
1592         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1593         (machine_function): Likewise.
1594
1595         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1596         with ix86_abi.
1597         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1598         (STACK_BOUNDARY): Likewise.
1599         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1600
1601         * config/i386/i386.opt (mabi=): New.
1602
1603         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1604         return enum calling_abi.
1605         (ix86_function_type_abi): Likewise.
1606         (ix86_function_abi): Removed.
1607
1608         * doc/invoke.texi: Document -mabi= option for x86.
1609
1610 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1611
1612         * builtins.c (real_dconstp): Delete.
1613         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1614
1615 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
1616             Jakub Jelinek  <jakub@redhat.com>
1617
1618         PR debug/37959
1619         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1620         (gen_subprogram_die): When a function is explicit, generate the
1621         DW_AT_explicit attribute.
1622         * langhooks.h (struct lang_hooks_for_decls): Add
1623         function_decl_explicit_p langhook.
1624         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1625         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1626
1627 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
1628
1629         * builtins.c (fold_builtin_memory_op): Optimize memmove
1630         into memcpy if we can prove source and destination don't overlap.
1631
1632         * tree-inline.c: Include gt-tree-inline.h.
1633         (clone_fn_id_num): New variable.
1634         (clone_function_name): New function.
1635         (tree_function_versioning): Use it.
1636         * Makefile.in (GTFILES): Add tree-inline.c.
1637
1638 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
1639
1640         * BASE-VER: Change to 4.5.0.
1641
1642 2009-03-27  Xinliang David Li  <davidxl@google.com>
1643
1644         PR tree-optimization/39557
1645         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1646
1647 2009-03-27  Xinliang David Li  <davidxl@google.com>
1648
1649         PR tree-optimization/39548
1650         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
1651         candidate check.
1652
1653 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1654
1655         * c-common.c (pointer_int_sum): Use %wd on return from
1656         tree_low_cst.
1657
1658 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1659
1660         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1661         on return from tree_low_cst.
1662
1663 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1664
1665         PR c++/36799
1666         * ginclude/stdarg.h (va_copy): Define also for
1667         __GXX_EXPERIMENTAL_CXX0X__.
1668
1669 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1670
1671         PR c++/35652
1672         * builtins.h (c_strlen): Do not warn here.
1673         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1674         * c-common.c (pointer_int_sum): Take an explicit location.
1675         Warn about offsets out of bounds.
1676         * c-common.h (pointer_int_sum): Adjust declaration.
1677
1678 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1679
1680         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1681         markup glitch.
1682
1683 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
1684
1685         PR c++/39554
1686         * opts.c (warn_if_disallowed_function_p): Don't assume
1687         get_callee_fndecl must return non-NULL.
1688
1689 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
1690
1691         PR rtl-optimization/39522
1692         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1693         when reg_reloaded_valid is set.
1694
1695 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1696
1697         * config/spu/divv2df3.c: New file.
1698         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1699         (DPBIT_FUNCS): Filter out _div_df.
1700
1701 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
1702
1703         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1704         a jump insn, count that jump in the distance to the loop start.
1705
1706 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1707
1708         PR target/39523
1709         * config/sh/sh.c (calc_live_regs): Fix condition for global
1710         registers except PIC_OFFSET_TABLE_REGNUM.
1711
1712 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
1713
1714         PR/39518
1715         * doc/invoke.texi (-mconsole): New.
1716         (-mcygwin): New.
1717         (-mno-cygwin): New.
1718         (-mdll): New.
1719         (-mnop-fun-dllimport): New.
1720         (-mthread): New.
1721         (-mwin32): New.
1722         (-mwindows): New.
1723         (sub section "i386 and x86-64 Windows Options"): New.
1724
1725 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
1726
1727         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1728         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1729
1730 2009-03-25  Richard Guenther  <rguenther@suse.de>
1731
1732         PR middle-end/39497
1733         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1734         of -Wno-error.
1735
1736 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
1737
1738         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1739         neither of haifa/selective schedulers are working.
1740
1741 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1742
1743         * doc/invoke.texi (Debugging Options): Fix description of
1744         -fno-merge-debug-strings.
1745
1746 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
1747
1748         * config/cris/libgcc.ver: New version-script.
1749         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1750
1751         * configure.ac <GAS features, nop mnemonic>: Add pattern
1752         crisv32-*-* for "nop".
1753         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1754         * configure: Regenerate.
1755
1756 2009-03-24  Ira Rosen  <irar@il.ibm.com>
1757
1758         PR tree-optimization/39529
1759         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1760         mark_sym_for_renaming for the tag copied to the new vector
1761         pointer.
1762
1763 2009-03-24  Arthur Loiret  <aloiret@debian.org>
1764
1765         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1766         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1767         EXTRA_SPEC_FUNCTIONS.
1768         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1769         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1770         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1771         -march and -mtune options.
1772
1773 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
1774
1775         * config/m68k/t-rtems: Add m5329 multilib.
1776
1777 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
1778             Jakub Jelinek  <jakub@redhat.com>
1779
1780         PR debug/39524
1781         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1782         nodes.
1783
1784 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
1785
1786         PR c/39495
1787         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1788         instead of c_parser_expression_conv, if original_code isn't one of the
1789         4 allowed comparison codes, fail.
1790
1791 2009-03-23  Richard Guenther  <rguenther@suse.de>
1792
1793         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1794         * tree.h (struct tree_type): Likewise.
1795         * reload.h (struct insn_chain): Likewise.
1796         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1797         * function.h (struct function): Likewise.
1798         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1799
1800 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
1801
1802         PR tree-optimization/39516
1803         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1804
1805 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
1806
1807         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
1808         should be set true if BITS_PER_WORD of target is bigger than 32
1809
1810 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
1811
1812         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1813         Translate -B-options to -rpath-link.  Correct existing
1814         rpath-link and conditionalize on !nostdlib.
1815
1816 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1817
1818         * doc/extend.texi (Function Attributes, Variable Attributes):
1819         Fix typos.
1820         * doc/invoke.texi (Debugging Options, Optimize Options)
1821         (i386 and x86-64 Options, MCore Options): Likewise.
1822
1823 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
1824
1825         PR debug/37890
1826         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1827         it for block local namespace aliases.
1828         (gen_decl_die): Pass context_die to gen_namespace_die.
1829
1830 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
1831
1832         PR c/39495
1833         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1834         minimum or maximum value.
1835
1836 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
1837
1838         * reginfo.c (globalize_reg): Recompute derived reg sets.
1839
1840 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
1841
1842         PR target/39063
1843         * libgcc2.c (mprotect): Do not use signed arguments for
1844         VirtualProtect, use DWORD arguments.  Also fix the 'may
1845         be used uninitialized' warning for the np variable.
1846
1847 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
1848
1849         PR target/39496
1850         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1851         functions using regparm calling conventions when not optimizing.
1852         (ix86_function_sseregparm): Similarly for sseregparm calling
1853         conventions.
1854
1855 2009-03-19  Li Feng  <nemokingdom@gmail.com>
1856
1857         PR middle-end/39500
1858         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1859         dependence if the first conflict is after niter iterations.
1860
1861 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
1862
1863         PR middle-end/38609
1864         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1865         functions with dynamic stack-pointer adjustments.
1866
1867 2009-03-19  Ben Elliston  <bje@au.ibm.com>
1868
1869         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1870         option; change to -msdata=data.
1871
1872 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1873
1874         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1875         and -fopenmp.
1876
1877 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
1878
1879         PR target/35180
1880         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1881
1882 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
1883
1884         * doc/invoke.texi (Code Gen Options): Expand discussion of
1885         -fno-common.
1886
1887 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
1888
1889         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1890         * matrix-reorg.c (struct matrix_info): Likewise.
1891         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1892         * rtl.h (struct mem_attrs): Likewise.
1893         * df.h (struct df): Likewise.
1894         * tree-data-ref.h (struct data_dependence_relation): Likewise.
1895         * ira-int.h (struct ira_allocno): Likewise.
1896         * df-scan.c (struct df_collection_rec): Likewise.
1897         * ira.c (struct equivalence): Likewise.
1898         * function.c (struct temp_slot): Likewise.
1899         * cfgloop.h (struct loop): Likewise.
1900
1901         PR debug/39485
1902         * function.c (use_register_for_decl): When not optimizing, disregard
1903         register keyword for variables with types containing methods.
1904
1905 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
1906
1907         PR middle-end/39447
1908         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1909         (is_simple_operand): Call contains_component_ref_p before calling data
1910         reference analysis that would fail on COMPONENT_REFs.
1911
1912         * tree-vrp.c (search_for_addr_array): Fix formatting.
1913
1914 2009-03-18  Richard Guenther  <rguenther@suse.de>
1915
1916         * tree-vect-transform.c (vect_loop_versioning): Fold the
1917         generated comparisons.
1918         * tree-vectorizer.c (set_prologue_iterations): Likewise.
1919         (slpeel_tree_peel_loop_to_edge): Likewise.
1920
1921 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1922
1923         PR middle-end/37805
1924         * opts.c (print_specific_help): In addition to `undocumented',
1925         accept `separate' and `joined' flags if passed alone.  Describe
1926         output by the first matched one of those.
1927         (common_handle_option): Skip over empty strings.
1928         * gcc.c (display_help): Fix help string for `--help='.
1929         * doc/invoke.texi (Option Summary, Overall Options): With
1930         `--help=', classes and qualifiers can both be repeated, but
1931         only the latter can be negated.  One should not pass only
1932         negated qualifiers.  Fix markup and examples.
1933
1934         Revert
1935         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
1936         PR middle-end/37805
1937         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1938         and -fhelp=separate.
1939
1940 2009-03-17  Jing Yu  <jingyu@google.com>
1941
1942         PR middle-end/39378
1943         * function.h (struct rtl_data): Move is_thunk from here...
1944         (struct function): ...to here.
1945         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1946         * varasm.c (assemble_start_function): Change is_thunk from crtl to
1947         cfun.
1948         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1949         cfun.
1950         (alpha_does_function_need_gp, alpha_start_function): Likewise.
1951         (alpha_output_function_end_prologue): Likewise.
1952         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1953         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1954         (rs6000_output_function_epilogue): Likewise.
1955         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1956
1957 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
1958
1959         PR target/39482
1960         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1961         from different units in a single alternative.
1962         (*truncdfsf_i387): Ditto.
1963         (*truncxfsf2_mixed): Ditto.
1964         (*truncxfdf2_mixed): Ditto.
1965
1966 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
1967
1968         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1969         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1970
1971         PR debug/39474
1972         * tree-ssa-live.c (remove_unused_locals): Don't remove local
1973         unused non-artificial variables when not optimizing.
1974
1975         PR debug/39471
1976         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1977         DW_TAG_imported_module even if decl is IMPORTED_DECL with
1978         NAMESPACE_DECL in its DECL_INITIAL.
1979
1980         PR middle-end/39443
1981         * optabs.c (set_user_assembler_libfunc): New function.
1982         * expr.h (set_user_assembler_libfunc): New prototype.
1983         * c-common.c: Include libfuncs.h.
1984         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1985         for memcmp, memset, memcpy, memmove and abort.
1986         * Makefile.in (c-common.o): Depend on libfuncs.h.
1987
1988         PR debug/39412
1989         * dwarf2out.c (gen_inlined_enumeration_type_die,
1990         gen_inlined_structure_type_die, gen_inlined_union_type_die,
1991         gen_tagged_type_instantiation_die): Removed.
1992         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1993         do nothing.
1994
1995 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
1996
1997         PR testsuite/38526
1998         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1999         its use.
2000         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2001         (check-parallel-%): Ditto.
2002         (check-consistency): Ditto.
2003
2004 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
2005
2006         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2007         local variable rhs by NULL_TREE.
2008
2009 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2010
2011         PR target/39477
2012         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2013
2014 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2015
2016         PR target/39476
2017         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2018
2019 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2020
2021         PR target/39473
2022         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2023         for ms->sysv ABI calls only in 64bit mode.
2024
2025         * config/i386/i386.md (untyped_call): Support 32bit.
2026
2027 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
2028
2029         * doc/extend.texi: Replace x86_65 with x86_64.
2030
2031 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
2032
2033         PR tree-optimization/39455
2034         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2035         mismatches for POINTER_TYPE_P (type).
2036         (number_of_iterations_le): Likewise.
2037
2038 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
2039
2040         * config/picochip/picochip.c: Removed profiling support.
2041         * config/picochip/picochip.md: Removed profiling instruction.
2042         * config/picochip/picochip.h: Removed profiling builtin.
2043
2044 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
2045
2046         * doc/install.texi (--with-host-libstdcxx): Document.
2047
2048 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
2049
2050         PR target/34299
2051         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2052         generate a warning if the function name does not begin with
2053         "__vector" and the function has either the 'signal' or 'interrupt'
2054         attribute, from here to ...
2055         (avr_declare_function_name): ...here. New function.
2056         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2057         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2058
2059 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
2060
2061         PR bootstrap/39454
2062         * cse.c (fold_rtx): Don't modify original const_arg1 when
2063         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2064         separate variable instead.
2065         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2066         from out of range shift counts.
2067         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2068
2069 2008-03-13  Catherine Moore  <clm@codesourcery.com>
2070
2071         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2072         diagnostic.h with $(DIAGNOSTIC_H).
2073
2074 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2075
2076         PR target/39431
2077         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2078         predicate.
2079         * config/i386/sync.md (sync_compare_and_swap<mode>,
2080         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2081         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2082         into a register.
2083         (sync_double_compare_and_swapdi_pic,
2084         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2085         cmpxchg8b_pic_memory_operand instead of just memory_operand.
2086
2087 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2088
2089         PR target/39445
2090         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2091
2092 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2093
2094         PR target/39327
2095         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2096         (avx_addsubv4df3): Likewise.
2097         (*avx_addsubv4sf3): Likewise.
2098         (sse3_addsubv4sf3): Likewise.
2099
2100 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2101
2102         PR target/38824
2103         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2104
2105 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
2106
2107         PR debug/39432
2108         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2109         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2110         registers for allocnos created from user-defined variables.
2111
2112 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2113
2114         PR target/39181
2115         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2116         of non-integer mode as well.
2117
2118 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
2119
2120         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2121         for functions for which the parameter types are unknown.
2122
2123 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
2124
2125         PR target/39137
2126         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2127         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2128         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2129         * config/i386/i386.c (ix86_local_alignment): For
2130         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2131         long long variables on the stack to avoid dynamic realignment.
2132         Allow the first argument to be a decl rather than type.
2133         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2134
2135 2009-03-11  Nick Clifton  <nickc@redhat.com>
2136
2137         PR target/5362
2138         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2139         options.
2140         Add description to mno-lsim option.
2141         * config/mcore/mcore.h: Remove comment about deprecated m4align
2142         option.
2143         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2144         * doc/invoke.texi: Add description of mno-lsim and
2145         mstack-increment options.
2146
2147         * config/fr30/fr30.opt: Document the -mno-lsim option.
2148         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2149         and -mno-lsim options.
2150
2151 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2152
2153         * fold-const.c (fold_comparison): Only call fold_inf_compare
2154         if the mode supports infinities.
2155
2156 2009-03-11  Jason Merrill  <jason@redhat.com>
2157
2158         PR debug/39086
2159         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
2160         end already did.  Notice GIMPLE_CALL modifications of the result.
2161         Don't copy debug information from an ignored decl or a decl from
2162         another function.
2163
2164 2009-03-10  Richard Guenther  <rguenther@suse.de>
2165             Nathan Froyd  <froydnj@codesourcery.com>
2166
2167         PR middle-end/37850
2168         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
2169         (__divMODE3): Likewise.
2170
2171 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
2172
2173         PR tree-optimization/39394
2174         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
2175         DECL_SIZE_UNIT of variable length FIELD_DECLs.
2176
2177 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2178
2179         * recog.c (verfiy_changes): Disallow renaming of hard regs in
2180         inline asms for register asm ("") declarations.
2181
2182 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
2183
2184         * fold-const.c (fold_unary): Fix comment.
2185
2186 2009-03-07  Jan Hubicka  <jh@suse.cz>
2187
2188         PR target/39361
2189         * tree-inline.c (setup_one_parameter): Do replacement of const
2190         argument by constant in SSA form.
2191
2192 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2193
2194         PR middle-end/38028
2195         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
2196         determine alignment passed to assign_stack_local.
2197         (assign_parms_unsplit_complex): Likewise.
2198         * except.c (sjlj_build_landing_pads): Likewise.
2199
2200 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
2201
2202         PR middle-end/39360
2203         * tree-flow.h (add_referenced_var): Return bool instead of void.
2204         * tree-dfa.c (add_referenced_var): Return result of
2205         referenced_var_check_and_insert call.
2206         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
2207         of referenced_var_check_and_insert.
2208
2209         PR debug/39372
2210         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
2211         (gen_variable_die): Emit DW_AT_location on abstract static variable's
2212         DIE, don't emit it if abstract origin already has it.
2213         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
2214         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
2215
2216 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2217
2218         * genpreds.c (needs_variable): Fix parentheses at variable name
2219         detection.
2220         (write_tm_constrs_h): Indent generated code.
2221
2222 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2223
2224         * doc/extend.texi (Function Attributes): Add documentation
2225         for isr attributes.
2226
2227 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
2228
2229         PR debug/39387
2230         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
2231         take locus from its DECL_SOURCE_LOCATION instead of input_location.
2232
2233 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2234
2235         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
2236         the loop as bad.
2237
2238 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
2239
2240         PR debug/39379
2241         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
2242         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
2243
2244 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
2245
2246         * config/i386/i386.md (R8_REG, R9_REG): New constants.
2247         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
2248         constants instead of magic numbers.
2249         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
2250         (QI_REG_P): Ditto.
2251         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
2252         (x86_64_ms_abi_int_parameter_registers): Ditto.
2253         (x86_64_int_return_registers): Ditto.
2254         (ix86_maybe_switch_abi): Ditto.
2255         (ix86_expand_call): Ditto for clobbered_registers array.
2256         (ix86_hard_regno_mode_ok): Ditto.
2257         (x86_extended_QIreg_mentioned_p): Ditto.
2258
2259 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
2260
2261         PR tree-optimization/39349
2262         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
2263
2264         * combine.c (gen_lowpart_for_combine): Use omode when generating
2265         clobber.
2266
2267 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
2268
2269         PR rtl-optimization/39235
2270         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
2271
2272 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
2273
2274         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
2275
2276 2009-03-04  Richard Guenther  <rguenther@suse.de>
2277
2278         PR tree-optimization/39362
2279         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
2280         that occur in abnormal PHIs should be varying.
2281
2282 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
2283
2284         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
2285         Extend comments.
2286         (simple_iv):  Take loop as an argument instead of statement.
2287         * tree-scalar-evolution.h (simple_iv): Declaration changed.
2288         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
2289         to simple_iv.
2290         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
2291         Ditto.
2292         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
2293         * matrix-reorg.c (analyze_transpose): Ditto.
2294         * tree-data-ref.c (dr_analyze_innermost): Ditto.
2295         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2296         * tree-predcom.c (ref_at_iteration): Ditto.
2297         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
2298
2299 2009-03-04  Richard Guenther  <rguenther@suse.de>
2300
2301         PR tree-optimization/39358
2302         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
2303         escaped_id and callused_id.
2304         (solve_graph): Likewise.
2305
2306 2009-03-04  Richard Guenther  <rguenther@suse.de>
2307
2308         PR tree-optimization/39339
2309         * tree-sra.c (try_instantiate_multiple_fields): Make it
2310         no longer ICE on the above.
2311
2312 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
2313
2314         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
2315         that fits within Pmode.
2316
2317 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
2318
2319         PR middle-end/10109
2320         * tm.texi (LIBCALL_VALUE): Update description.
2321
2322 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
2323
2324         PR middle-end/34443
2325         * doc/extend.texi (section): Update description.
2326
2327 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
2328
2329         PR middle-end/39345
2330         * tree-inline.c (remapped_type): New.
2331         (can_be_nonlocal): Call remapped_type instead of remap_type.
2332
2333 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
2334
2335         PR fortran/39354
2336         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
2337         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
2338
2339 2009-03-03  Richard Guenther  <rguenther@suse.de>
2340
2341         PR middle-end/39272
2342         * tree.c (tree_nonartificial_location): New function.
2343         * tree.h (tree_nonartificial_location): Declare.
2344         * builtins.c (expand_builtin_memory_chk): Provide location
2345         of the call location for artificial function pieces.
2346         (maybe_emit_chk_warning): Likewise.
2347         (maybe_emit_sprintf_chk_warning): Likewise.
2348         (maybe_emit_free_warning): Likewise.
2349         * expr.c (expand_expr_real_1): Likewise.
2350
2351 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
2352
2353         PR tree-optimization/39343
2354         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
2355         COMPONENT_REF t has ARRAY_TYPE.
2356
2357 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2358
2359         PR middle-end/39335
2360         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2361         when the type precision of the induction variable should be
2362         larger than the type precision of nit.
2363         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2364         * graphite.c (graphite_loop_normal_form): Same.
2365         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2366
2367 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
2368
2369         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
2370         (*call_1_rex64_ms_sysv): Use named constants instead of magic
2371         numbers to describe clobbered registers.
2372         (*call_value_0_rex64_ms_sysv): Ditto.
2373         * config/i386/mmx.md (mmx_emms): Ditto.
2374         (mmx_femms): Ditto.
2375
2376 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
2377
2378         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
2379         of ABI_64.
2380
2381 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2382
2383         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
2384         (spu_section_type_flags): New function.
2385
2386 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
2387
2388         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
2389         reg_class_contents of FLOAT_REGS into a temporary.
2390
2391 2009-03-02  Richard Guenther  <rguenther@suse.de>
2392             Ira Rosen  <irar@il.ibm.com>
2393
2394         PR tree-optimization/39318
2395         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
2396         information to the vectorized statement.
2397
2398 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
2399
2400         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
2401         variable.  Use defined names instead of magic constants for REX SSE
2402         registers.
2403
2404 2009-03-01  Richard Guenther  <rguenther@suse.de>
2405
2406         PR tree-optimization/39331
2407         * omp-low.c (lower_send_shared_vars): Do not receive new
2408         values for the reference of DECL_BY_REFERENCE parms or results.
2409
2410 2009-03-01  Jan Hubicka  <jh@suse.cz>
2411
2412         PR debug/39267
2413         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
2414         BLOCK_NONLOCALIZED_VAR): New macros.
2415         (tree_block): Add nonlocalized_vars.
2416         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
2417         gen_decl_die): Add origin argument.  Allow generation of die with
2418         origin at hand only.
2419         (gen_member_die, gen_type_die_with_usage, force_decl_die,
2420         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2421         of gen_*.
2422         (gen_block_die): Fix checking for unused blocks.
2423         (process_scope_var): Break out from .... ; work with origins only.
2424         (decls_for_scope) ... here; process nonlocalized list.
2425         (dwarf2out_ignore_block): Look for nonlocalized vars.
2426         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2427         vars.
2428         (dump_scope_block): Dump them.
2429         * tree-inline.c (remap_decls): Handle nonlocalized vars.
2430         (remap_block): Likewise.
2431         (can_be_nonlocal): New predicate.
2432         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2433
2434 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2435
2436         * configure: Regenerate.
2437
2438 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2439
2440         * optc-gen.awk: No need to duplicate option flags twice.
2441         Reuse help texts for duplicate options which do not have any.
2442
2443         * gcc.c (display_help): Document --version.
2444
2445         * gcc.c (main): If print_help_list and verbose_flag, ensure
2446         driver output comes before subprocess output.
2447
2448         * optc-gen.awk: Assign all remaining fields to help string,
2449         space-separated, for multi-line help in *.opt.
2450
2451         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2452         -Wno-pedantic-ms-format is for MinGW targets only.
2453
2454         * doc/options.texi (Option file format): Fix bad indentation,
2455         restoring dropped sentence.
2456
2457 2009-02-28  Jan Hubicka  <jh@suse.cz>
2458
2459         * tree-inline.c (tree_function_versioning): Output debug info.
2460
2461 2009-02-28  Jan Hubicka  <jh@suse.cz>
2462
2463         PR debug/39267
2464         * tree-inline.c (setup_one_parameter): Do not copy propagate
2465         arguments when not optimizing.
2466
2467 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
2468
2469         PR target/39327
2470         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2471         (avx_addsubv4df3): Likewise.
2472         (*avx_addsubv4sf3): Likewise.
2473         (sse3_addsubv4sf3): Likewise.
2474         (*avx_addsubv2df3): Likewise.
2475         (sse3_addsubv2df3): Likewise.
2476         (avx_unpckhps256): Correct item selectors.
2477         (avx_unpcklps256): Likewise.
2478         (avx_unpckhpd256): Likewise.
2479         (avx_unpcklpd256): Likewise.
2480
2481 2009-02-28  Jan Hubicka  <jh@suse.cz>
2482
2483         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2484         static vars.
2485         (copy_arguments_for_versioning): If var is declared don't declare it.
2486         (tree_function_versioning): First setup substitutions and then copy
2487         args.
2488
2489 2009-02-27  Jan Hubicka  <jh@suse.cz>
2490
2491         PR debug/39267
2492         * cgraph.h (varpool_output_debug_info): Remove.
2493         * cgraphunit.c (varpool_output_debug_info): Remove.
2494         * dwarf2out.c (deferred_locations_struct): New struct
2495         (deferred_locations): New type.
2496         (deferred_locations_list): New static var.
2497         (deffer_location): New function.
2498         (gen_variable_die): Use it.
2499         (decls_for_scope): Output info on local static vars.
2500         (dwarf2out_finish): Process deferred locations.
2501         * varpool.c (varpool_output_debug_info): Remove.
2502
2503 2009-02-27  Jan Hubicka  <jh@suse.cz>
2504
2505         PR debug/39267
2506         * tree.h (TREE_PROTECTED): Fix comment.
2507         (BLOCK_HANDLER_BLOCK): Remove.
2508         (struct tree_block): Remove handler_block add body_block.
2509         (inlined_function_outer_scope_p): New.
2510         (is_body_block): Remove.
2511         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2512         * dwarf2out.c (is_inlined_entry_point): Remove.
2513         (add_high_low_attributes): Use inlined_function_outer_scope_p.
2514         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
2515         code.
2516         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2517         * gimplify.c (gimplify_expr): Gimplify body blocks.
2518         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2519         block with multiple subblocks.
2520         (dump_scope_block): Prettier output; dump more flags and info.
2521         (dump_scope_blocks): New.
2522         (remove_unused_locals): Use dump_scope_blocks.
2523         * tree-flow.h (dump_scope_blocks): Declare.
2524         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2525         * stmt.c (is_body_block): Remove.
2526         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2527         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2528
2529 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2530
2531         PR middle-end/39308
2532         * graphite.c (graphite_loop_normal_form): Do not call 
2533         number_of_iterations_exit from a gcc_assert.
2534
2535 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2536
2537         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2538         jumps if COND is NULL.
2539         (find_cond_jump): New function.
2540         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2541         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2542
2543 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
2544
2545         * config/alpha/alpha.h (alpha_expand_mov): Return false if
2546         force_const_mem returns NULL_RTX.
2547
2548 2009-02-26  Jan Hubicka  <jh@suse.cz>
2549
2550         PR debug/39267
2551         * cgraph.h (varpool_output_debug_info): Remove.
2552         * cgraphunit.c (varpool_output_debug_info): Remove.
2553         * dwarf2out.c (deferred_locations_struct): New struct
2554         (deferred_locations): New type.
2555         (deferred_locations_list): New static var.
2556         (deffer_location): New function.
2557         (gen_variable_die): Use it.
2558         (decls_for_scope): Output info on local static vars.
2559         (dwarf2out_finish): Process deferred locations.
2560         * varpool.c (varpool_output_debug_info): Remove.
2561
2562 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
2563
2564         PR rtl-optimization/39241
2565         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2566         to subreg_offset_representable_p.
2567
2568 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
2569
2570         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2571         execute function prototype.  Get f and nregs from max_reg_num
2572         and get_insns.  Remove the first backward pass as it's dead,
2573         guard the forward pass by flag_expensive_optimizations.
2574         (rest_of_handle_regmove): Delete.
2575         (pass_regmove): Replace it with regmove_optimize.
2576
2577 2009-02-25  Martin Jambor  <mjambor@suse.cz>
2578
2579         PR tree-optimization/39259
2580         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2581         calls_alloca function flags.
2582         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2583         calls are detected.
2584
2585 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
2586
2587         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2588         flags_set_1_rtx, flags_set_1_set): Delete.
2589         (regmove_optimize): Do not call mark_flags_life_zones.
2590
2591 2009-02-24  Julian Brown  <julian@codesourcery.com>
2592
2593         PR target/35965
2594         * config/arm/arm.c (require_pic_register): Only set
2595         cfun->machine->pic_reg once per function.
2596
2597 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
2598
2599         * doc/invoke.texi (Link Options): Document an easier way to pass
2600         options that take arguments to the GNU linker using -Xlinker and -Wl.
2601
2602 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
2603
2604         PR target/33785
2605         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2606
2607 2009-02-24  Richard Guenther  <rguenther@suse.de>
2608
2609         PR debug/39285
2610         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2611
2612 2009-02-24  Richard Guenther  <rguenther@suse.de>
2613             Zdenek Dvorak  <ook@ucw.cz>
2614
2615         PR tree-optimization/39233
2616         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2617         from converting them to a generic type.
2618
2619 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2620
2621         PR tree-optimization/39260
2622         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2623         contains a condition with a real type.
2624         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2625
2626 2009-02-23  Jason Merrill  <jason@redhat.com>
2627
2628         PR c++/38880
2629         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2630         narrowing_initializer_constant_valid_p.
2631         (narrowing_initializer_constant_valid_p): Don't return 
2632         null_pointer_node for adding a pointer to itself.
2633
2634 2009-02-23  Jan Hubicka  <jh@suse.cz>
2635
2636         PR c/12245
2637         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2638         resizing.
2639
2640 2009-02-23  Jan Hubicka  <jh@suse.cz>
2641
2642         PR tree-optimization/37709
2643         * tree.c (block_ultimate_origin): Move here from dwarf2out.
2644         * tree.h (block_ultimate_origin): Declare.
2645         * dwarf2out.c (block_ultimate_origin): Move to tree.c
2646         * tree-ssa-live.c (remove_unused_scope_block_p):
2647         Eliminate blocks containig no instructions nor live variables nor
2648         nested blocks.
2649         (dump_scope_block): New function.
2650         (remove_unused_locals): Enable removal of dead blocks by default;
2651         enable dumping at TDF_DETAILS.
2652
2653 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2654
2655         * config/i386/i386.c (classify_argument): Don't allow COImode
2656         and OImode.
2657         (function_arg_advance_32): Don't allow OImode.
2658         (function_arg_32): Likewise.
2659         (function_value_32): Likewise.
2660         (return_in_memory_32): Likewise.
2661         (function_arg_64): Remove OImode comment.
2662
2663 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2664
2665         PR target/39261
2666         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2667         ix86_expand_vector_set for V4DImode in 64bit mode only.
2668         (ix86_expand_vector_init_one_var): Likewise.
2669
2670 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2671
2672         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2673
2674 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
2675
2676         PR bootstrap/39257
2677         * loop-iv.c: Revert last change.
2678         * emit-rtl.c: Likewise.
2679
2680 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2681
2682         PR target/39256
2683         * config/i386/i386.c (type_natural_mode): Remove an extra
2684         space in the warning message.
2685         (function_value_32): Handle 32-byte vector modes.
2686         (return_in_memory_32): Likewise.
2687
2688 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
2689
2690         * loop-iv.c (truncate_value): New function.
2691         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2692         of lowpart_subreg.
2693         (lowpart_subreg): Move to...
2694         * emit-rtl.c: ...here.
2695
2696 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
2697
2698         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2699         accidental and undocumented change at revision 140860.
2700
2701 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
2702
2703         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2704         take gimple_seq * arguments.
2705         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2706         types_compatible_p langhook.
2707
2708 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
2709             Joseph Myers  <joseph@codesourcery.com>
2710
2711         * config/arm/arm.c (arm_builtin_va_list): New function.
2712         (arm_expand_builtin_va_start): Likewise.
2713         (arm_gimplify_va_arg_expr): Likewise.
2714         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2715         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2716         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2717         (va_list_type): New variable.
2718         (arm_mangle_type): Mangle va_list_type appropriately.
2719
2720 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
2721
2722         PR middle-end/39157
2723         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2724         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2725         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2726         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2727         parameter to 1000 for -O1 by default.
2728         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2729         parameter.
2730         * loop-invariant.c: Include params.h.
2731         (move_loop_invariants): Don't call move_single_loop_invariants on
2732         very large loops.
2733
2734 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
2735
2736         * calls.c (emit_library_call_value_1): Use slot_offset instead of
2737         offset when calculating bounds for indexing stack_usage_map.  Fixes
2738         a buffer overflow with certain target setups.
2739
2740 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
2741
2742         PR target/39240
2743         * calls.c (expand_call): Clear try_tail_call if caller and callee
2744         disagree in promotion of function return value.
2745
2746 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
2747
2748         PR target/39175
2749         * c-common.c (c_determine_visibility): If visibility changed and
2750         DECL_RTL has been already set, call make_decl_rtl to update symbol
2751         flags.
2752
2753 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2754
2755         PR c++/39188
2756         * varasm.c (assemble_variable): Don't check DECL_NAME when
2757         globalizing a variable.
2758
2759 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
2760
2761         PR c/38483
2762         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2763         expression before any __builtin_trap call.
2764         * c-typeck.c (build_function_call): Convert and check function
2765         arguments before generating a call to a trap.  Evaluate the
2766         function arguments before the trap.
2767
2768 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
2769
2770         PR target/39228
2771         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2772         (UNSPEC_FXAM_MEM): New unspec.
2773         (fxam<mode>2_i387_with_temp): New insn and split pattern.
2774         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
2775         memory using fxam<mode>2_i387_with_temp to remove excess precision.
2776
2777 2009-02-19  Richard Guenther  <rguenther@suse.de>
2778
2779         PR tree-optimization/39207
2780         PR tree-optimization/39074
2781         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2782         storedanything_tree): New.
2783         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
2784         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2785         (build_succ_graph): Add edges from STOREDANYTHING to all
2786         non-direct nodes.
2787         (init_base_vars): Initialize STOREDANYTHING.
2788         (compute_points_to_sets): Free substitution info after
2789         building the succ graph.
2790         (ipa_pta_execute): Likewise.
2791
2792         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2793         field.
2794         (do_ds_constraint): Do not add to special var or non-pointer
2795         field solutions.
2796         (type_could_have_pointers): Split out from ...
2797         (could_have_pointers): ... here.  For arrays use the element type.
2798         (create_variable_info_for): Initialize may_have_pointers.
2799         (new_var_info): Likewise.
2800         (handle_lhs_call): Make the HEAP variable unknown-sized.
2801         (intra_create_variable_infos): Use a type with pointers for
2802         PARM_NOALIAS, make it unknown-sized.
2803
2804 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2805
2806         PR target/39224
2807         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2808
2809 2009-02-18  Jason Merrill  <jason@redhat.com>
2810
2811         PR target/39179
2812         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2813         value if DECL_EXTERNAL.
2814         * tree-sra.c (sra_walk_gimple_assign): Likewise.
2815         * target.h (gcc_target::binds_local_p): Clarify "module".
2816         * tree.h (TREE_PUBLIC): Clarify "module".
2817
2818 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
2819
2820         PR target/38891
2821         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2822         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2823
2824 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
2825
2826         PR target/39082
2827         * c.opt (Wabi): Support C and ObjC.
2828         (Wpsabi): New.
2829
2830         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2831
2832         * config/i386/i386.c (classify_argument): Warn once about the ABI
2833         change when passing union with long double.
2834
2835         * doc/invoke.texi: Update -Wabi for warning psABI changes.
2836
2837 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
2838
2839         PR c/35447
2840         * c-parser.c (c_parser_compound_statement): Always enter and leave
2841         a scope.
2842
2843 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2844
2845         PR target/34587
2846         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2847
2848 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
2849
2850         PR tree-optimization/36922
2851         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2852         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2853         Likewise.
2854
2855 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
2856
2857         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2858         to 0 for EABI64.
2859
2860 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
2861
2862         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2863
2864 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
2865
2866         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2867         tree sharing.
2868
2869 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
2870             Richard Sandiford  <rdsandiford@googlemail.com>
2871
2872         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2873         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2874         (loongson_biadd): ...this.
2875
2876 2009-02-17  Richard Guenther  <rguenther@suse.de>
2877
2878         PR tree-optimization/39202
2879         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2880         a var make sure to follow existing collapses.
2881
2882 2009-02-17  Richard Guenther  <rguenther@suse.de>
2883
2884         PR middle-end/39214
2885         * langhooks.c (lhd_print_error_function): Check for NULL block.
2886
2887 2009-02-17  Richard Guenther  <rguenther@suse.de>
2888
2889         PR tree-optimization/39204
2890         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2891         of the PHI arg.
2892
2893 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
2894
2895         * config/soft-fp/double.h: Update from glibc CVS.
2896
2897 2009-02-17  Richard Guenther  <rguenther@suse.de>
2898
2899         PR tree-optimization/39207
2900         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2901         strict-aliasing warnings for pointers pointing to NULL.
2902
2903 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
2904
2905         PR c/35446
2906         * c-parser.c (c_parser_braced_init): Call pop_init_level when
2907         skipping until next close brace.
2908
2909 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
2910
2911         PR target/37049
2912         * config/i386/i386.c (ix86_expand_push): Set memory alignment
2913         to function argument boundary.
2914
2915 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2916
2917         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2918         in the lea_add. Reload eventually constraints it properly.
2919         * config/picochip/constraints.md : Remove the target constraint
2920         "b", since it is not needed anymore.
2921
2922 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
2923
2924         * gthr-dce.h: Uglify function parameter and local variable names.
2925         * gthr-gnat.h: Likewise.
2926         * gthr-mipssde.h: Likewise.
2927         * gthr-nks.h: Likewise.
2928         * gthr-posix95.h: Likewise.
2929         * gthr-posix.h: Likewise.
2930         * gthr-rtems.h: Likewise.
2931         * gthr-single.h: Likewise.
2932         * gthr-solaris.h: Likewise.
2933         * gthr-tpf.h: Likewise.
2934         * gthr-vxworks.h: Likewise.
2935         * gthr-win32.h: Likewise.
2936
2937 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
2938
2939         PR target/39196
2940         * config/i386/i386.md: Restrict the new peephole2 to move
2941         between MMX/SSE registers.
2942
2943 2009-02-15  Richard Guenther  <rguenther@suse.de>
2944
2945         Revert
2946         2009-02-13  Richard Guenther  <rguenther@suse.de>
2947
2948         * configure.ac: Enable LFS.
2949         * configure: Re-generate.
2950         * config.in: Likewise.
2951
2952 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2953
2954         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2955         spu_srqwbyte, spu_srqwbytebc): Define.
2956         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2957         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2958         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2959         "shrqby_<mode>"): New insn-and-split patterns.
2960         * config/spu/spu.c (expand_builtin_args): Determine and return
2961         number of operands using spu_builtin_description data.
2962         (spu_expand_builtin_1): Use it.
2963
2964 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
2965
2966         PR target/38056
2967         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2968         TARGET_CONST_GP.
2969
2970 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2971
2972         PR target/39149
2973         * config/i386/i386.c (override_options): Correct warning
2974         messages for -malign-loops, -malign-jumps and -malign-functions.
2975
2976 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2977
2978         PR target/39152
2979         * config/i386/i386.md: Restrict the new peephole2 to move
2980         between the general purpose registers.
2981
2982 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2983
2984         PR target/39162
2985         * config/i386/i386.c (type_natural_mode): Add a new argument.
2986         Return the original mode and warn ABI change if vector size is 32byte.
2987         (function_arg_advance): Updated.
2988         (function_arg): Likewise.
2989         (ix86_function_value): Likewise.
2990         (ix86_return_in_memory): Likewise.
2991         (ix86_sol10_return_in_memory): Likewise.
2992         (ix86_gimplify_va_arg): Likewise.
2993         (function_arg_32): Don't warn ABX ABI change here.
2994         (function_arg_64): Likewise.
2995
2996 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
2997
2998         * loop-iv.c (implies_p): In the final case, test that operands 0
2999         of the two comparisons match.
3000
3001         * config/bfin/bfin.c (find_prev_insn_start): New function.
3002         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3003         (find_next_insn_start): Move.
3004
3005 2009-02-13  Richard Guenther  <rguenther@suse.de>
3006
3007         * configure.ac: Enable LFS.
3008         * configure: Re-generate.
3009         * config.in: Likewise.
3010
3011 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
3012
3013         PR c/35444
3014         * c-parser.c (c_parser_parms_list_declarator): Discard pending
3015         sizes on syntax error after some arguments have been parsed.
3016
3017 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
3018
3019         * doc/invoke.texi (-fira): Remove.
3020
3021 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
3022
3023         * caller-save.c: Replace regclass.c with reginfo.c in comments.
3024         * recog.c: Likewise.
3025         * rtl.h: Likewise.
3026
3027 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
3028
3029         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3030         (umul_ppmm): Likewise.
3031         (count_leading_zeros): Likewise.
3032         (count_trailing_zeros): Likewise.
3033         (UMUL_TIME): Likewise.
3034
3035 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
3036
3037         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3038         soft-fp/t-softfp to tmake_file.
3039
3040         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3041         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3042         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3043         IA64_BUILTIN_INFQ]: New.
3044         (ia64_init_builtins): Initialize __builtin_infq,
3045         __builtin_fabsq and __builtin_copysignq if not HPUX.
3046         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3047         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3048
3049         * config/ia64/lib1funcs.asm (__divtf3): Define only if
3050         SHARED is defined.
3051         (__fixtfti): Likewise.
3052         (__fixunstfti): Likewise.
3053         (__floattitf): Likewise.
3054
3055         * config/ia64/libgcc-glibc.ver: New.
3056         * config/ia64/t-fprules-softfp: Likewise.
3057         * config/ia64/sfp-machine.h: Likewise.
3058
3059         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3060         (LIBGCC2_TF_CEXT): Likewise.
3061         (TF_SIZE): Likewise.
3062         (TARGET_INIT_LIBFUNCS): Likewise.
3063
3064         * config/ia64/t-glibc (SHLINB_MAPFILES):
3065         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3066
3067 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
3068
3069         * config/i386/i386.c (construct_container): Rewrite processing
3070         BLKmode with X86_64_SSE_CLASS.
3071
3072 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
3073
3074         PR target/39152
3075         * config/i386/i386.md: Replace simplify_replace_rtx with
3076         replace_rtx in the new peephole2.
3077
3078 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
3079
3080         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3081         loop unrolling do not happen at -O2.
3082
3083 2009-02-12  Michael Matz  <matz@suse.de>
3084
3085         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3086
3087 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
3088
3089         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3090         for -g3.
3091
3092 2009-02-12  Ben Elliston  <bje@au.ibm.com>
3093
3094         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3095         patterns when updating the back chain.  Missed in the 2009-02-10
3096         change.
3097
3098 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
3099
3100         * doc/extend.texi (Decimal Floating Types): Update identifier of
3101         draft TR and list of missing support.
3102
3103 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
3104
3105         PR middle-end/39154
3106         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3107         bit to variable length decl's flags, add it also to its
3108         pointer replacement variable.
3109
3110 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
3111             Jakub Jelinek  <jakub@redhat.com>
3112
3113         PR target/39118
3114         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3115         (memory_blockage): New expander.
3116         (*memory_blockage): New insn pattern.
3117         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3118         instead of general blockage at the end of function prologue when
3119         frame pointer is used to access red zone area.  Do not emit blockage
3120         when profiling, it is emitted in generic code.
3121         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3122         function epilogue when frame pointer is used to access red zone area.
3123
3124 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
3125
3126         PR target/38824
3127         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3128         by arithmetic with memory operands.
3129         * config/i386/predicates.md (commutative_operator): New.
3130
3131 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
3132
3133         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3134         bulleted lists.
3135
3136 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3137
3138         * alias.h (record_alias_subset): Declare.
3139         * alias.c (record_alias_subset): Make global.
3140
3141 2009-02-10  Nick Clifton  <nickc@redhat.com>
3142
3143         * tree-parloops.c: Change license to GPLv3.
3144         * ipa-struct-reorg.c: Change license to GPLv3.
3145         * ipa-struct-reorg.h: Change license to GPLv3.
3146
3147 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
3148
3149         PR c/39084
3150         * c-decl.c (start_struct): Return NULL on error.
3151
3152 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
3153
3154         PR middle-end/39124
3155         * cfgloopmanip.c (remove_path): Call remove_bbs after
3156         cancel_loop_tree, not before it.
3157
3158         PR target/39139
3159         * function.h (struct function): Add has_local_explicit_reg_vars bit.
3160         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
3161         VAR_DECLs were seen.
3162         * tree-ssa-live.c (remove_unused_locals): Recompute
3163         cfun->has_local_explicit_reg_vars.
3164         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
3165         copies or clearings if cfun->has_local_explicit_reg_vars.
3166
3167 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
3168
3169         PR target/39118
3170         * config/i386/i386.c (expand_prologue): Emit blockage at the end
3171         of function prologue when frame pointer is used to access
3172         red zone area.
3173
3174 2009-02-10  Richard Guenther  <rguenther@suse.de>
3175
3176         PR middle-end/39127
3177         * gimplify.c (gimple_regimplify_operands): Always look if
3178         we need to create a temporary.
3179
3180 2009-02-10  Richard Guenther  <rguenther@suse.de>
3181
3182         PR tree-optimization/39132
3183         * tree-loop-distribution.c (todo): New global var.
3184         (generate_memset_zero): Trigger TODO_rebuild_alias.
3185         (tree_loop_distribution): Return todo.
3186
3187 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
3188
3189         PR target/39119
3190         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
3191         (x86_64_reg_class_name): Removed.
3192         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
3193         first one isn't X86_64_SSE_CLASS or any other ones aren't
3194         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
3195         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
3196         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
3197         and 3 X86_64_SSEUP_CLASS.
3198         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
3199         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
3200
3201 2009-02-10  Ben Elliston  <bje@au.ibm.com>
3202
3203         * config/rs6000/rs6000.md (allocate_stack): Always use an update
3204         form instruction to update the stack back chain word, even if the
3205         user has disabled the generation of update instructions.
3206         (movdi_<mode>_update_stack): New.
3207         (movsi_update_stack): Likewise.
3208         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
3209         always use an update form instruction to update the stack back
3210         chain word.
3211
3212 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
3213
3214         PR middle-end/38953
3215         * graphite.c (if_region_set_false_region): After moving a region in
3216         the false branch of a condition, remove the empty dummy basic block.
3217         (gloog): Remove wrong fix for PR38953.
3218
3219 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3220
3221         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
3222         generation due to implicit sign extension.
3223
3224 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
3225
3226         PR middle-end/38981
3227         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
3228         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
3229
3230 2009-02-09  Richard Guenther  <rguenther@suse.de>
3231
3232         PR middle-end/35202
3233         * convert.c (convert_to_real): Disable (float)fn((double)x)
3234         to fnf(x) conversion if errno differences may occur and
3235         -fmath-errno is set.
3236
3237 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
3238
3239         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
3240         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3241         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3242
3243 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
3244
3245         PR c/35434
3246         * c-common.c (handle_alias_attribute): Disallow attribute for
3247         anything not a FUNCTION_DECL or VAR_DECL.
3248
3249 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
3250
3251         PR c/39035
3252         * real.c (do_compare): Special-case compare of zero against
3253         decimal float value.
3254
3255 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
3256
3257         PR c/36432
3258         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
3259         as indicating flexible array members unless the field itself is
3260         being declarared as the incomplete array.
3261
3262 2009-02-06  Jan Hubicka  <jh@suse.cz>
3263
3264         PR tree-optimization/38844
3265         * ipa-inline.c (try_inline): Stop inlining recursion when edge
3266         is already inlined.
3267
3268 2009-02-06  Richard Guenther  <rguenther@suse.de>
3269
3270         PR middle-end/38977
3271         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
3272         fork because we may expand it as __gcov_fork.
3273
3274 2009-02-06  Nick Clifton  <nickc@redhat.com>
3275
3276         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
3277
3278 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
3279
3280         PR tree-optimization/35659
3281         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
3282         vn_phi_eq): Shortcut if hashcode does not match.
3283         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
3284         NULL operands.
3285         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
3286         and avoid iterative_hash_expr.
3287         (FOR_EACH_VALUE_ID_IN_SET): New.
3288         (value_id_compare): Remove.
3289         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
3290         sort expressions by value id.
3291
3292 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
3293
3294         PR target/38991
3295         * config/sh/predicates.md (general_movsrc_operand): Don't check
3296         the subreg of system registers here.
3297
3298 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
3299
3300         PR c++/39106
3301         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
3302         on the copied decl.
3303
3304 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
3305
3306         PR rtl-optimization/39110
3307         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
3308         addresses, not aligned ones.
3309
3310 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
3311             Richard Guenther  <rguenther@suse.de>
3312
3313         PR tree-optimization/39100
3314         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
3315         comment says and add edges.
3316
3317 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
3318
3319         PR c/35435
3320         * c-common.c (handle_tls_model_attribute): Ignore attribute for
3321         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
3322
3323 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
3324
3325         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3326         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3327         register_bb_in_sese, new_sese, free_sese): Moved.
3328         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3329         outermost_loop_in_scop, build_scop_iteration_domain,
3330         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3331         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3332         Use loop_in_sese_p instead of loop_in_scop_p.
3333         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
3334         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
3335         (scopdet_basic_block_info): Fix bug in scop detection.
3336         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3337         eq_loop_to_cloog_loop): Remove.
3338         (nb_loops_around_loop_in_scop, nb_loop
3339         ref_nb_loops): Moved here...
3340         * graphite.h (ref_nb_loops): ... from here.
3341         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
3342         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3343         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3344         * testsuite/gcc.dg/graphite/scop-19.c: New
3345
3346 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
3347             Hans-Peter Nilsson  <hp@axis.com>
3348
3349         PR rtl-optimization/37889
3350         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
3351         Move offset handling from PLUS to before the switch.  Use new
3352         arguments when considering SYMBOL_REFs too.
3353         (rtx_addr_can_trap_p): Pass dummy offset and size.
3354         (enum may_trap_p_flags): Remove.
3355         (may_trap_p_1): Pass size from MEM_SIZE.
3356
3357         PR rtl-optimization/38921
3358         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
3359         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
3360         * rtlanal.c (may_trap_after_code_motion_p): Delete.
3361         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
3362
3363 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
3364
3365         AVX Programming Reference (January, 2009)
3366         * config/i386/sse.md (*vpclmulqdq): New.
3367
3368 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
3369
3370         PR tree-optimization/38977
3371         PR gcov-profile/38292
3372         * calls.c (special_function_p): Disregard __builtin_ prefix.
3373
3374 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
3375
3376         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
3377         non-indexable addresses even before reload.
3378
3379 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
3380
3381         PR c/29129
3382         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
3383         as having variable size.  Do not give an error for unnamed
3384         parameters with [*] declarators.  Give a warning for type names
3385         with [*] declarators and mark them as variable size.
3386         * c-parser.c (c_parser_sizeof_expression): Do not give an error
3387         for sizeof applied to [*] type names.
3388
3389 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3390
3391         PR C++/36607
3392         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
3393
3394 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
3395
3396         * gcc.c (process_command): Update copyright notice dates.
3397         * gcov.c (print_version): Likewise.
3398         * gcov-dump.c (print_version): Likewise.
3399         * mips-tfile.c (main): Likewise.
3400         * mips-tdump.c (main): Likewise.
3401
3402 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
3403
3404         PR c/35433
3405         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
3406         for composite type involving a zero-length array type.
3407
3408 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
3409
3410         PR target/35318
3411         * function.c (match_asm_constraints_1): Skip over
3412         initial optional % in the constraint.
3413
3414         PR inline-asm/39059
3415         * c-parser.c (c_parser_postfix_expression): If fixed point is not
3416         supported, don't accept FIXED_CSTs.
3417         * c-decl.c (finish_declspecs): Error if fixed point is not supported
3418         and _Sat is used without _Fract/_Accum.  Set specs->type to
3419         integer_type_node for cts_fract/cts_accum if fixed point is not
3420         supported.
3421
3422 2009-02-02  Catherine Moore  <clm@codesourcery.com>
3423
3424         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3425
3426 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
3427
3428         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3429         (ABI_HAS_64BIT_SYMBOLS): Use it.
3430         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3431
3432 2009-02-02  Paul Brook  <paul@codesourcery.com>
3433
3434         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3435
3436 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
3437
3438         PR inline-asm/39058
3439         * recog.h (asm_operand_ok): Add constraints argument.
3440         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
3441         recurse on matching constraint.
3442         (check_asm_operands): Pass constraints as 3rd argument to
3443         asm_operand_ok.  Don't look up matching constraint here.
3444         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3445         to asm_operand_ok.
3446
3447 2009-02-02  Ben Elliston  <bje@au.ibm.com>
3448
3449         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3450         TARGET_NARROW_VOLATILE_BITFIELD macro names.
3451
3452 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3453
3454         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3455         information.  Remove some obsolete information.  Reorganize.
3456
3457         * config/pa/fptr.c: Revert license to GPL 2.
3458         * config/pa/milli64.S: Likewise.
3459
3460 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
3461
3462         PR target/38904
3463         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
3464         LIBRARY name in, instead of hard-coding it.
3465         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
3466         extra target make frag to tmake_files according to EH model.
3467         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
3468         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
3469         frags that define makefile variable EH_MODEL appropriately.
3470         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
3471         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
3472         to "-sjlj" according to type of EH configured.
3473         (LIBGCC_SONAME):  Concatenate it to shared library base name.
3474         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
3475         to "_sjlj" according to type of EH configured.
3476         (LIBGCC_SONAME):  Concatenate it to shared library base name.
3477         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
3478         (SHLIB_LINK):  Add missing semicolon to if-else construct.
3479         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
3480         string value of "pe_dll" command-line option.
3481         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
3482         (SHLIB_SONAME):  Use it when overriding t-cygming default.
3483         (SHLIB_IMPLIB):  Override t-cygming default.
3484         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
3485         string value of "pe_dll" command-line option.
3486
3487 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
3488
3489         PR target/38952
3490         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3491         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3492
3493 2009-01-31  Richard Guenther  <rguenther@suse.de>
3494
3495         PR tree-optimization/38937
3496         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3497         computing the transitive closure.
3498
3499 2009-01-30  Richard Guenther  <rguenther@suse.de>
3500
3501         PR tree-optimization/39041
3502         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3503         Propagate variable indices only if the types match for this stmt.
3504
3505 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
3506
3507         PR target/39013
3508         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3509         inline but never defined.
3510
3511 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
3512
3513         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3514         (*insv_h_di_reg_extimm): New insn.
3515         (*insv_l<mode>_reg_extimm): New insn.
3516
3517 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
3518
3519         * config/picochip/picochip.c (flag_conserve_stack): set
3520         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3521         fconserve-stack. Reduce call-overhead used by inliner.
3522
3523 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
3524
3525         PR/38157
3526         * common.opt (flag_conserve_stack): Initialised to zero.
3527
3528 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
3529
3530         PR/39002
3531         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3532         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3533         method.
3534
3535 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
3536
3537         * ira-color.c (allocno_reload_assign): Update comments.
3538         * regmove.c (regmove_optimize): Likewise.
3539
3540         * ra.h: Removed.
3541
3542 2009-01-29  Robert Millan  <rmh@aybabtu.com>
3543
3544         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3545         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
3546         `MD_UNWIND_SUPPORT'.
3547         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3548
3549 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
3550
3551         PR tree-optimization/39007
3552         * tree-loop-distribution.c (generate_builtin): Use
3553         recompute_dominator to compute the immediate dominator of the
3554         basic block just after the loop.
3555
3556 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3557
3558         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3559         (ASM_OUTPUT_DWARF_PCREL): Define.
3560
3561 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
3562
3563         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3564         * doc/passes.texi: Remove entries about regclass, local-alloc, and
3565         global.  Modify entries about regmove and IRA.
3566
3567         * ra-conflict.c: Remove the file.
3568
3569         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3570
3571         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3572         (pass_regclass_init): Rename to pass_reginfo_init.
3573
3574         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3575
3576         * toplev.h (flag_ira): Remove.
3577
3578         * caller-save.c (setup_save_areas): Remove flag_ira.
3579
3580         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3581
3582         * global.c: Remove the file.
3583
3584         * opts.c (decode_options): Remove flag_ira.
3585
3586         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3587
3588         * regmove.c: Modify file description.
3589         (find_use_as_address, try_auto_increment): Define them only if
3590         AUTO_INC_DEC is defined.
3591         (replacement_quality, replace_in_call_usage, fixup_match_1,
3592         stable_and_no_regs_but_for_p): Remove.
3593         (reg_set_in_bb): Make it static.
3594         (regmove_optimize): Remove flag_ira and code which worked for
3595         !flag_ira.
3596
3597         * local-alloc.c: Remove the file.
3598
3599         * common.opt (fira): Remove.
3600
3601         * ira.c: Include except.h.
3602         (eliminable_regset): Move from global.c.
3603         (mark_elimination): Ditto.  Remove flag_ira.
3604         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3605         equiv_mem_modified, validate_equiv_mem_from_store,
3606         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3607         contains_replace_regs, memref_referenced_p, memref_used_between_p,
3608         no_equiv, recorded_label_ref): Move from local-alloc.c.
3609         (update_equiv_regs): Ditto.  Make it static.
3610         (print_insn_chain, print_insn_chains): Move it from global.c.
3611         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
3612         (build_insn_chain): Ditto.  Make it static.
3613         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
3614         Rename to init_live_subregs.
3615         (gate_ira): Remove flag_ira.
3616
3617         * regclass.c: Rename reginfo.c.  Change file description.
3618         (FORBIDDEN_INC_DEC_CLASSES): Remove.
3619         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3620         (init_reg_sets_1): Remove code for evaluation of
3621         reg_class_superclasses and losing_caller_save_reg_set.
3622         (init_regs): Remove init_reg_autoinc.
3623         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3624         ok_for_base_p_nonstrict): Remove.
3625         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
3626         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
3627         corresponding entries.
3628         (dump_regclass, record_operand_costs, scan_one_insn,
3629         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3630         record_address_regs, auto_inc_dec_reg_p): Remove.
3631         (gt-regclass.h): Rename to gt-reginfo.h.
3632
3633         * rtl.h (dump_global_regs, retry_global_alloc,
3634         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3635
3636         * Makefile.in (RA_H): Remove.
3637         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3638         Rename regclass.o to reginfo.o.
3639         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
3640         gt-reginfo.h.
3641         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3642         (GTFILES): Rename regclass.c to reginfo.c.
3643
3644         * passes.c (init_optimization_passes): Remove pass_local_alloc and
3645         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
3646
3647         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3648         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3649         Remove flag_ira.
3650         (finish_spills): Ditto.  Remove code for !flag_ira.
3651         
3652 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
3653
3654         PR middle-end/35854
3655         * doc/invoke.texi (rtl debug options): Complete rewrite.
3656         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3657         to auto_inc_dec".
3658         * mode-switching.c (pass_mode_switching): Rename pass from
3659         "mode-sw" to "mode_sw".
3660         * except.c (pass_convert_to_eh_ranges): Rename pass from
3661         "eh-ranges" to "eh_ranges".
3662         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3663         to "subreg1".
3664                 
3665         
3666 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
3667             Alexander Monakov  <amonakov@ispras.ru>
3668
3669         PR middle-end/38857
3670         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3671         register.
3672         (move_exprs_to_boundary): Change return type and pass through
3673         should_move from move_op.  Relax assert.  Update usage ...
3674         (schedule_expr_on_boundary): ... here.  Use should_move instead of
3675         cant_move.
3676         (move_op_orig_expr_found): Indicate that insn was disconnected from
3677         stream.
3678         (code_motion_process_successors): Do not call after_merge_succs
3679         callback if original expression was not found when traversing any of
3680         the branches.
3681         (code_motion_path_driver): Change return type.  Update prototype.
3682         (move_op): Update comment.  Add a new parameter (should_move).  Update
3683         prototype.  Set *should_move based on indication provided by
3684         move_op_orig_expr_found.
3685
3686 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
3687
3688         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3689         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3690         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3691         * config/rs6000/rs6000.c (rs6000_override_options): Default
3692         avoid-indexed-addresses on for Power6, off for everything else.
3693         (avoiding_indexed_address_p): New function.
3694         (rs6000_legitimize_address): Use it.
3695         (rs6000_legitimate_address): Likewise.
3696         * config/rs6000/rs6000.md (movXX_updateX): Likewise
3697
3698 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
3699
3700         PR tree-optimization/38997
3701         * tree-loop-distribution.c (generate_memset_zero): Use
3702         POINTER_PLUS_EXPR for a pointer addition.
3703
3704 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3705
3706         * config/s390/s390.md (bswap<mode>2): New pattern added.
3707
3708 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
3709
3710         * config/s390/s390.md (*tls_load_31): Added type attribute.
3711
3712 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
3713
3714         * config/s390/s390.md: Fix a few comments.
3715
3716 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
3717
3718         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3719         (*tm<mode>_full): Fixed z10prop attribute.
3720         (*tst<mode>_extimm): Fixed z10prop attribute.
3721         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3722         (*tstqiCCT_cconly): Fixed z10prop attribute.
3723         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3724         (*movsi_larl): Fixed z10prop attribute.
3725         (*movsi_zarch): Fixed z10prop attribute.
3726         (*movsi_eas): Fixed z10prop attribute.
3727         (*movhi): Fixed z10prop attribute.
3728         (*movqi): Fixed z10prop attribute.
3729         (*movstrictqi): Fixed z10prop attribute.
3730         (*mov<mode>): Fixed z10prop attribute.
3731         (*movcc): Fixed z10prop attribute.
3732         (*sethighpartdi_64): Fixed z10prop attribute.
3733         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3734         (*negdi2_sign_cc): Fixed z10prop attribute.
3735         (*negdi2_sign): Fixed z10prop attribute.
3736         (*absdi2_sign_cc): Fixed z10prop attribute.
3737         (*absdi2_sign): Fixed z10prop attribute.
3738         (*negabsdi2_sign_cc): Fixed z10prop attribute.
3739         (*negabsdi2_sign): Fixed z10prop attribute.
3740         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3741         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3742         (doloop_si64): Fixed z10prop attribute.
3743         (doloop_si31): Fixed z10prop attribute.
3744         (doloop_long): Fixed z10prop attribute.
3745         (indirect_jump): Fixed z10prop attribute.
3746         (nop): Fixed z10prop attribute.
3747         (main_base_64): Fixed z10prop attribute.
3748         (reload_base_64): Fixed z10prop attribute.
3749
3750 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
3751
3752         PR rtl-optimization/38740
3753         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3754         if !optimize.
3755         * config/mips/mips.c (mips_reorg): Likewise.
3756
3757 2009-01-28  Richard Guenther  <rguenther@suse.de>
3758
3759         PR tree-optimization/38926
3760         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3761         with the correct value id to a value.
3762         (do_regular_insertion): Use the value number of edoubleprime
3763         for the value number of the expr.
3764
3765         Revert
3766         2008-08-21  Richard Guenther  <rguenther@suse.de>
3767
3768         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3769         a PHI ask VN if it is already available.
3770         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3771         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3772
3773 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
3774
3775         PR middle-end/38934
3776         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3777         set to varying whenever max has TREE_OVERFLOW set, similarly
3778         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3779
3780 2009-01-28  Richard Guenther  <rguenther@suse.de>
3781
3782         PR middle-end/38908
3783         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3784         uninitialized aggregate uses in call arguments.
3785
3786 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
3787
3788         PR tree-optimization/38984
3789         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3790         the nothing_id variable if -fno-delete-null-pointer-checks.
3791
3792 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
3793
3794         PR target/38988
3795         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3796         (set_got_offset_rex64): Ditto.
3797
3798 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3799
3800         PR target/38941
3801         * doc/extend.texi: Improve local variable with asm reg.
3802
3803 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
3804
3805         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3806         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3807         was not supplied then set warn_packed_bitfield_compat to the
3808         default value of 1.
3809         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3810         against 1.
3811
3812 2009-01-27  Richard Guenther  <rguenther@suse.de>
3813
3814         PR tree-optimization/38503
3815         * cfgexpand.c (expand_gimple_basic_block): Ignore
3816         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3817         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3818         variables that cannot have TBAA applied.
3819         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3820         statements.
3821
3822 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
3823
3824         PR middle-end/38969
3825         * calls.c (initialize_argument_information): Do not wrap complex
3826         arguments in SAVE_EXPR.
3827
3828 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
3829
3830         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3831         (INSTALL_LIBGCC): Revert typo commit.
3832
3833 2009-01-26  Richard Guenther  <rguenther@suse.de>
3834
3835         PR tree-optimization/38745
3836         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3837         from special handling.
3838
3839 2009-01-26  Richard Guenther  <rguenther@suse.de>
3840
3841         PR tree-optimization/38745
3842         * tree-ssa.c (execute_update_addresses_taken): Do not include
3843         variables that cannot possibly be a register in not_reg_needs.
3844         Do not clear TREE_ADDRESSABLE on vars that may not become
3845         registers.
3846         * tree-ssa.c (update_alias_info_1): Include those in the set
3847         of addressable vars.
3848
3849 2009-01-26  Richard Guenther  <rguenther@suse.de>
3850
3851         PR middle-end/38851
3852         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3853         * tree-ssa-dse.c: Include langhooks.h
3854         (execute_simple_dse): Remove stores with zero size.
3855
3856 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
3857
3858         PR c/38957
3859         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3860         as PLUS_EXPR.
3861
3862 2009-01-24  Julian Brown  <julian@codesourcery.com>
3863
3864         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3865         config/arm/linux-atomic.c.
3866         * config/arm/linux-atomic.c: New.
3867
3868 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
3869
3870         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3871         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3872         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3873
3874 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3875
3876         PR c/38938
3877         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3878         properly.
3879
3880 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
3881
3882         PR tree-optimization/38953
3883         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3884         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3885         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3886         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3887         changed the CFG.
3888
3889 2009-01-24  Paul Brook  <paul@codesourcery.com>
3890
3891         * config/arm/neon.md (neon_type): Move to arm.md.
3892         (neon_mov<VSTRUCT>): Add neon_type attribute.
3893         * config/arm/arm.md (neon_type): Move to here.
3894         (conds): Add "unconditioal" and use as default for NEON insns.
3895
3896 2009-01-24  Ben Elliston  <bje@au.ibm.com>
3897
3898         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3899         void *' warning from -Wc++-compat.
3900         * Makefile.in (dominance.o-warn): Remove.
3901
3902 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
3903
3904         PR tree-optimization/38932
3905         * fold-const.c (fold_unary_ignore_overflow): New.
3906         * tree.h (fold_unary_ignore_overflow): Declare.
3907         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3908         * tree-ssa-sccvn.c (visit_reference_op_load,
3909         simplify_unary_expression): Likewise.
3910
3911 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
3912
3913         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3914         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
3915         regardless of their type.
3916         * c-common.c (handle_packed_attribute): Don't ignore packed on
3917         bitfields.
3918         * c.opt (Wpacked-bitfield-compat): New warning option.
3919         * stor-layout.c (place_field): Warn if offset of a field changed.
3920         * doc/extend.texi (packed): Mention the ABI change.
3921         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3922         (Warning Options): Add it to the list.
3923
3924 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3925
3926         * c-opts.c (c_common_post_options): Fix a typo in comments.
3927
3928 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
3929
3930         PR middle-end/38615
3931         * gimplify.c (gimplify_init_constructor): Fix promotion of const
3932         variables to static.
3933         * doc/invoke.texi (-fmerge-all-constants): Update description.
3934
3935 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
3936
3937         PR target/38931
3938         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3939         (*movdi_1_rex64): Use type "mmx" for alternative 5.
3940
3941 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
3942
3943         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3944         a word boundary.
3945         (LOCAL_ALIGNMENT): Similarly.
3946
3947 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
3948             Joseph Myers  <joseph@codesourcery.com>
3949
3950         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3951         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3952         * config/arm/arm-tune.md: Regenerate.
3953         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3954         -march=iwmmxt2.
3955
3956 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
3957
3958         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3959         version number to five.
3960
3961 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
3962
3963         PR c++/38930
3964         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3965         * c-common.c (set_underlying_type): Likewise.
3966         (is_typedef_decl ): Likewise
3967         * tree.h: Likewise
3968         (set_underlying_type): Likewise.
3969         (is_typedef_type): Likewise.
3970
3971 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
3972
3973         PR middle-end/38587
3974         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3975         crossing setjmps.
3976
3977 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
3978
3979         PR bootstrap/37660
3980         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
3981         (LIBGCC_SPEC):  Don't define.
3982         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
3983
3984 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
3985
3986         PR rtl-optimization/38879
3987         * alias.c (base_alias_check): Unaligned access via AND address can
3988         alias all surrounding object types except those with sizes equal
3989         or wider than the size of unaligned access.
3990
3991 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
3992
3993         PR c++/26693
3994         * c-decl.c (clone_underlying_type): Move this ...
3995         * c-common.c (set_underlying_type): ... here.
3996         Also, make sure the function properly sets TYPE_STUB_DECL() on
3997         the newly created typedef variant type.
3998         (is_typedef_decl ): New entry point.
3999         * tree.h: Added a new member member_types_needing_access_check to
4000         struct tree_decl_non_common.
4001         (set_underlying_type): New entry point.
4002         (is_typedef_type): Likewise.
4003
4004 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
4005
4006         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4007         Check whether two instructions have memory references that
4008         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
4009         are helper functions for traversing.
4010         * alias.h (insn_alias_sets_confilict_p): New prototypes.
4011         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
4012         not to draw dependency edge for instructions with non-conflicting
4013         alias sets.
4014
4015 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
4016
4017         PR other/38758
4018         * longlong.h: Update copyright years.  Use soft-fp license notice.
4019         Sync __clz_tab declaration with glibc.
4020
4021 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
4022
4023         PR target/30687
4024         * doc/extend.texi (syscall_linkage): New.
4025         (version_id): Modify.
4026
4027 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4028             Richard Guenther  <rguenther@suse.de>
4029
4030         PR tree-optimization/38747
4031         PR tree-optimization/38748
4032         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
4033         conversion if the base address is an indirect reference and the
4034         aliasing sets could cause issues.
4035
4036 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4037
4038         * common.opt (fgraphite, fgraphite-identity): Add comment for 
4039         explaining why these options are not documented.
4040
4041 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4042
4043         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4044         gimple_call_lhs is NULL.
4045
4046 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
4047
4048         PR target/38868
4049         * emit-rtl.c (adjust_address_1): Make sure memref is never
4050         overwritten.
4051
4052 2009-01-20  Ben Elliston  <bje@au.ibm.com>
4053
4054         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove