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* config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2
3         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
4         tuning is deprecated if -mtune value is set to an Itanium1 variant.
5
6 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7
8         PR c/29027
9         * c-lex.c (interpret_float): Default (no suffix) is double.
10
11 2009-04-1  Xinliang David Li  <davidxl@google.com>
12
13         * config/i386/i386.c (legitimate_constant_p): Recognize
14         all one vector constant.
15
16 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
17
18         * gcc/config/vax/vax.c: Add #includes to silence warnings.
19         Change #include order to silence two warnings.
20
21 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
22
23         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
24         (ASM_SPEC): Pass -k to the assembler for PIC code.
25
26 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
27
28         * gcc/config.gcc: Add vax-*-linux* to the switch.
29         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
30         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
31
32 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
33
34         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
35         Use predicate macros instead of GET_CODE() == foo.
36         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
37         ashlsi3, rotrsi3, <unnamed>): Likewise.
38
39 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
40
41         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
42         jbbccihi, jbbccisi): Remova trailing whitespace.
43         * gcc/config/vax/constraints.md: Likewise.
44         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
45         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
46         * gcc/config/vax/predicates.md: Likewise.
47         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
48         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
49         * gcc/config/vax/vax.h: Likewise.
50         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
51
52 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
53
54         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
55         (indirectable_address_p, adjacent_operands_p): Add spaces around
56         braces.
57         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
58
59 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
60
61         * gcc/config/vax/vax.c (legitimate_constant_address_p,
62         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
63         index_term_p, reg_plus_index_p, legitimate_address_p,
64         vax_mode_dependent_address_p): Update comments to match functions
65         modified by the recent int->bool conversion.
66
67 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
68
69         * gcc/config/vax/builtins.md: Update copyright message.
70         * gcc/config/vax/constraints.md: Likewise.
71         * gcc/config/vax/netbsd-elf.h: Likewise.
72         * gcc/config/vax/predicates.md: Likewise.
73         * gcc/config/vax/vax-protos.h: Likewise.
74         * gcc/config/vax/vax.c: Likewise.
75         * gcc/config/vax/vax.h: Likewise.
76         * gcc/config/vax/vax.md: Likewise.
77         * gcc/config/vax/vax.opt: Likewise.
78
79 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
80
81         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
82         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
83         * gcc/config/vax/constraints.md (B, R): Likewise.
84         * gcc/config/vax/predicates.md (external_memory_operand,
85         nonimmediate_addsub_di_operand): Likewise.
86         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
87         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
88         untyped_call): Likewise.
89
90 2009-04-01      Matt Thomas <matt@3am-software.com>
91
92         * config/vax/predicates.md: New file. (symbolic_operand,
93         local_symbolic_operand, external_symbolic_operand,
94         external_const_operand, nonsymbolic_operand, external_memory_operand,
95         indirect_memory_operand, indexed_memory_operand,
96         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
97         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
98         predicate.
99         * config/vax/constraints.md: New file. (Z0, U06,  U08, U16, CN6, S08,
100         S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
101         * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
102         sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
103         sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
104         * config/vax/vax.opt (mqmath): Add option.
105         * config/vax/vax.md (isfx): Extend with DI.
106         (VAXintQH, VAXintQHSD): Define.
107         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
108         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
109         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
110         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
111         (movdi): Update constraints and use vax_output_int_move().
112         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
113         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
114         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
115         nonlocal_goto): New.
116         (mov<mode>): Extend accepted operand types.
117         (subdi3_old): Rename from subdi3, change update constraints and use
118         a new implementation.
119         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
120         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
121         MOVE_RATIO, CLEAR_RATIO): Define.
122         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
123         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
124         (PRINT_OPERAND): Redefine using a function instead of inlined code.
125         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
126         (split_quadword_operands): Make static and really allow variable
127         splitting.
128         (print_operand_address): Update for PIC generation.
129         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
130         indexable_address_p, fixup_mathdi_operand,
131         vax_expand_addsub_di_operands, adjacent_operands_p): New.
132         (vax_float_literal, legitimate_constant_p,
133         indirectable_constant_address_p, index_term_p,
134         reg_plus_index_p): Return bool instead of int.
135         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
136         where needed.
137         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
138         generation.
139         (vax_output_conditional_branch): Indent.
140         (legitimate_constant_address_p, indirectable_constant_address_p,
141         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
142         vax_mode_dependent_address_p): Return bool instead of int, update for
143         PIC generation.
144         * config/vax/vax-protos.h (legitimate_constant_address_p,
145         legitimate_constant_p, legitimate_address_p,
146         vax_mode_dependent_address_p): Change declaration to bool.
147         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
148         vax_expand_addsub_di_operands, vax_output_int_subtract,
149         vax_output_movmemsi): Declare.
150         (split_quadword_operands, vax_float_literal): Delete declaration.
151         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
152         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
153         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
154         ASM_OUTPUT_DWARF_PCREL): Define.
155         (ASM_SPEC): Change definition to allow PIC generation.
156
157 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
158
159         PR target/39226
160         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
161         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
162         (booldi3_internal3): Use boolean_or_operator instead of
163         boolean_operator.
164
165 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
166
167         PR c/39605
168         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
169         declarator whose size is not an integer constant expression but
170         folds to an integer constant, then treat it as a constant
171         subsequently.
172
173 2009-04-01  Richard Guenther  <rguenther@suse.de>
174
175         * fold-const.c (fold_plusminus_mult_expr): Do not fold
176         i * 4 + 2 to (i * 2 + 1) * 2.
177
178 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
179
180         PR c/37772
181         * c-parser.c (c_parser_asm_statement): Skip until close paren and
182         return if c_parser_asm_string_literal returned NULL.
183
184 2009-04-01  Nick Clifton  <nickc@redhat.com>
185
186         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
187         already defined.
188         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
189         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
190         other typedefs to avoid conflicts with libgcc2.c.  Define labels
191         to gain 16-bit bit-manipulation functions from libgcc2.c and then
192         include it.
193         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
194         to gain 16-bit trapping arithmetic functions from libgcc2.c and
195         then include it.
196
197 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
198
199        * varasm.c (default_function_rodata_section): Declare DOT as const char*.
200
201 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
202             Andrey Galkin <agalkin@hypercom.com>
203
204         PR/39492
205         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
206         Make object_name unique for each process.
207
208 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
209
210         PR other/39591
211         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
212         addressable variables in the parallel that could go out of scope while
213         running queued tasks.
214
215 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
216
217         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
218         (CASE_VALUES_THRESHOLD): Redefine.
219         * config/avr/avr.c (avr_override_options): Remove initialization of
220         avr_case_values_threshold variable.
221         (avr_case_values_threshold): Remove variable. Add new function.
222         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
223         * config/avr/avr.opt (mno-tablejump): Remove option.
224         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
225
226 2009-04-01  DJ Delorie  <dj@redhat.com>
227
228         * varasm.c (default_function_rodata_section): Don't assume
229         anything about where the first '.' in the section name is.
230
231 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
232
233         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
234         rs6000_emit_stack_tie.
235
236 2009-03-31  Ian Lance Taylor  <iant@google.com>
237
238         * tree-eh.c (tree_remove_unreachable_handlers): Compare
239         gimple_code with GIMPLE_RESX, not RESX.
240
241 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
242
243         * c-common.c (c_get_ident): New.
244         (c_common_nodes_and_builtins): Call it for type names that may be
245         NULL.
246
247 2009-04-01  Ben Elliston  <bje@au.ibm.com>
248
249         * config/rs6000/sysv4.opt (msdata): Improve option description.
250
251 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
252
253         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
254         (divdf3_internal_lat): Remove.
255         (divxf3_internal_lat): Remove.
256         (divxf3_internal_thr): Remove.
257         (divxf): Use divxf3_internal.
258         * config/ia64/div.md (divsf3_internal_lat): New.
259         (divdf3_internal_lat): New.
260         (divxf3_internal): New.
261
262 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
263
264         PR c/448
265         * Makefile.in (USE_GCC_STDINT): Define.
266         (stmp-int-hdrs): Install stdint.h if applicable.
267         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
268         if known.
269         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
270         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
271         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
272         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
273         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
274         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
275         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
276         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
277         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
278         (c_common_nodes_and_builtins): Initialize
279         underlying_wchar_type_node.  Do not initialize
280         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
281         nodes for new types.
282         (c_stddef_cpp_builtins): Define macros for new types.
283         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
284         Remove.
285         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
286         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
287         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
288         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
289         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
290         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
291         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
292         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
293         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
294         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
295         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
296         int16_type_node, int32_type_node, int64_type_node,
297         uint8_type_node, uint16_type_node, c_uint32_type_node,
298         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
299         int_least32_type_node, int_least64_type_node,
300         uint_least8_type_node, uint_least16_type_node,
301         uint_least32_type_node, uint_least64_type_node,
302         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
303         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
304         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
305         uintptr_type_node): Define.
306         * c-cppbuiltin.c (builtin_define_constants,
307         builtin_define_type_minmax): New.
308         (builtin_define_stdint_macros): Define more macros.
309         (c_cpp_builtins): Define more limit macros.
310         (type_suffix): New.
311         (builtin_define_type_max): Define in terms of
312         builtin_define_type_minmax.  Remove is_long parameter.  All
313         callers changed.
314         * config.gcc (use_gcc_stdint): Define.
315         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
316         Add newlib-stdint.h for generic targets.
317         * config/glibc-stdint.h, config/newlib-stdint.h,
318         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
319         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
320         * config/score/score.h (UINTPTR_TYPE): Define.
321         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
322         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
323         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
324         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
325         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
326         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
327         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
328         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
329         * config/spu/spu.h (STDINT_LONG32): Define.
330         * configure.ac (use_gcc_stdint): Substitute.
331         * configure: Regenerate.
332         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
333         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
334         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
335         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
336         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
337         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
338         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
339         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
340         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
341         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
342         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
343         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
344         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
345         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
346         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
347         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
348         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
349         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
350         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
351         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
352         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
353         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
354         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
355         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
356         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
357         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
358         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
359         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
360         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
361
362 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
363
364         * loop-iv.c (suitable_set_for_replacement): Renamed from
365         simplify_using_assignment; changed to return bool and to accept new
366         args DEST and SRC.  Return true iff we find a source/destination pair
367         that can be used to make a replacement, and fill SRC and DEST if so.
368         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
369         changed.
370         (simplify_using_initial_values): Deal with altered regs here and track
371         more precisely the effect they have on the validity of our expression.
372
373         * loop-iv.c (simplify_using_condition): A condition of the form
374         (EQ REG CONST) can be used to simply make a substitution.
375         (simplify_using_initial_values): Keep track of conditions we have seen
376         and keep using them to simplify new expressions, while applying the
377         same substitutions to them as to the expression.
378
379         * simplify-rtx.c (simplify_relational_operation_1): Simplify
380         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
381         GEU/LTU reversed.
382
383         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
384         changed.  Use this when trying to improve the upper bound.
385         Generate the comparison by using simplify_gen_relational.
386
387         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
388
389         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
390         functions.
391         (simplify_using_assignment, simplify_using_initial_values): Call 
392         replace_in_expr to make replacements.  Call replace_single_def_regs
393         once on the initial version of the expression.
394
395 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
396
397         PR target/27237
398         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
399         
400 2009-03-31  Richard Guenther  <rguenther@suse.de>
401
402         PR middle-end/31029
403         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
404         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
405
406 2009-03-31  Richard Guenther  <rguenther@suse.de>
407
408         * tree.h (div_if_zero_remainder): Declare.
409         * fold-const.c (div_if_zero_remainder): Export.
410         * tree-ssa-forwprop.c
411         (forward_propagate_addr_into_variable_array_index): Handle
412         constant array index addition outside of the variable index.
413
414 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
415
416         PR target/39592
417         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
418         define_splits, floatunssi<mode>2): Require x87 conversions from
419         DImode to be permitted.
420
421 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
422
423         PR preprocessor/15638
424         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
425
426 2009-03-31  Richard Guenther  <rguenther@suse.de>
427
428         PR middle-end/23401
429         PR middle-end/27810
430         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
431         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
432         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
433         a separate statement.
434         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
435         (lookup_tmp_var): Likewise.
436         (is_gimple_formal_tmp_or_call_rhs): Remove.
437         (is_gimple_reg_or_call_rhs): Rename to ...
438         (is_gimple_reg_rhs_or_call): ... this.
439         (is_gimple_mem_or_call_rhs): Rename to ...
440         (is_gimple_mem_rhs_or_call): ... this.
441         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
442         DECL_GIMPLE_REG_P only if is_formal is true.
443         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
444         for non-proper post-modify expression gimplification.
445         (gimplify_self_mod_expr): For post-modify expressions gimplify
446         the lvalue to a minimal lvalue.
447         (rhs_predicate_for): Remove formal temp case.
448         (gimplify_modify_expr_rhs): Likewise.
449         (gimplify_addr_expr): Use is_gimple_reg.
450         (gimplify_expr): Remove formal temp cases.
451         (gimple_regimplify_operands): Likewise.
452         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
453         and FILTER_EXPR like constants.
454         * gimple.c (walk_gimple_op): Fix val_only initialization, use
455         is_gimple_reg.
456         (is_gimple_formal_tmp_rhs): Remove.
457         (is_gimple_reg_rhs): Remove special casing.
458         (is_gimple_mem_rhs): Fix.
459         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
460         (is_gimple_formal_tmp_var): Remove.
461         (is_gimple_formal_tmp_reg): Likewise.
462         (is_gimple_min_lval): Allow invariant component ref parts.
463         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
464         is_gimple_formal_tmp_reg): Remove declarations.
465         * tree-cfg.c (verify_expr): Verify that variables with address
466         taken do not have DECL_GIMPLE_REG_P set.
467         * tree-mudflap.c (mf_build_check_statement_for): Use
468         force_gimple_operand instead of gimplify_expr.
469
470 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
471
472         * modulo-sched.c (sms_schedule_by_order): Pass the actual
473         schedulable rows to compute_split_row.
474
475 2009-03-31  Ben Elliston  <bje@au.ibm.com>
476
477         PR target/31635
478         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
479         OPT_mvrsave.
480
481 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
482
483         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
484         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
485         * configure: Regenerate.
486         * config.in: Regenerate.
487         * config/rs6000/rs6000.opt (mtls-markers): Add.
488         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
489         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
490         (tls_ld_aix, tls_ld_sysv): Likewise.
491         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
492         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
493
494 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
495
496         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
497
498 2009-03-30  Jan Hubicka  <jh@suse.cz>
499
500         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
501         out of RESX.
502         (tree_remove_unreachable_handlers): Cleanup EH predecestor
503         detection and label handling.
504
505 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
506
507         * ira-int.h (ira_allocno): Rename left_conflicts_num to
508         left_conflicts_size.
509         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
510         ALLOCNO_LEFT_CONFLICTS_SIZE.
511
512         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
513         remove_allocno_from_bucket_and_push,
514         allocno_spill_priority_compare, push_allocnos_to_stack,
515         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
516         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
517         (setup_allocno_left_conflicts_num): Ditto.  Rename to
518         setup_allocno_left_conflicts_size.
519         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
520         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
521         setup_allocno_left_conflicts_size instead of
522         setup_allocno_left_conflicts_num.
523
524         * ira-build.c (ira_create_allocno): Use
525         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
526         ALLOCNO_LEFT_CONFLICTS_NUM.
527                 
528 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
529
530         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
531         instead of DF_LR_OUT.
532
533         * ira-lives.c (process_bb_node_lives): Ditto.
534
535         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
536         instead of DF_LR_{OUT,IN}.
537
538         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
539
540         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
541
542 2009-03-30  Jan Hubicka  <jh@suse.cz>
543
544         * except.c (label_to_region_map): Fix thinko.
545
546 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
547
548         PR middle-end/38237
549         * tree.h (tree_find_value): New declaration.
550         * tree.c (tree_find_value): New function.
551         * varasm.c (assemble_external): Avoid duplicate entries on lists.
552
553 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
554
555         PR debug/39563
556         * c-decl.c (struct c_binding): Add locus field.
557         (bind): Add locus argument, set locus field from it.
558         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
559         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
560         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
561         implicitly_declare, undeclared_variable, lookup_label,
562         declare_label, c_make_fname_decl, c_builtin_function,
563         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
564         bind callers.
565
566 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
567
568         PR target/38781
569         * config/i386/i386.c (classify_argument): Check total size of
570         structure.
571
572 2009-03-30  Martin Jambor  <mjambor@suse.cz>
573
574         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
575         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
576         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
577         respectively.
578
579         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
580         seen_variable_array_ref while also traversing a union.
581
582         * tree-inline.c (optimize_inline_calls): Do not call
583         cgraph_node_remove_callees.
584         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
585         (pass_remove_cgraph_callee_edges): New variable.
586         * passes.c (init_optimization_passes): Add
587         pass_remove_cgraph_callee_edges after early inlining and before all
588         late intraprocedural passes.
589
590         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
591
592 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
593
594         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
595         Fix typos in names.
596
597 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
598
599         * combine.c (simplify_comparison): Use have_insn_for.
600         * dojump.c (do_jump): Likewise.
601
602 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
603
604         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
605         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
606         sparc_compare_op0 like sparc_compare_emitted used to be handled.
607         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
608         instead of sparc_compare_emitted.
609         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
610         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
611         instead of sparc_compare_emitted.
612
613 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
614
615         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
616         enter/exit cfglayout mode.
617         (pass_partition_block): Require it.
618         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
619         (combine_instructions): Track basic blocks instead of labels.
620         (update_cfg_for_uncondjump): New.
621         (try_combine): Use it.  Update jumps after rescanning.
622         (pass_combine): Require PROP_cfglayout.
623         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
624
625 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
626
627         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
628         Provide/destroy PROP_cfglayout respectively.
629         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
630         * tree-pass.h (PROP_cfglayout): New.
631
632 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
633
634         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
635         fold_convert_const_fixed_from_fixed,
636         fold_convert_const_fixed_from_int,
637         fold_convert_const_fixed_from_real, fold_negate_const): Do not
638         set TREE_CONSTANT_OVERFLOW.
639         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
640         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
641
642 2009-03-30  Ira Rosen  <irar@il.ibm.com>
643
644         * tree-vect-loop-manip.c: New file.
645         * tree-vectorizer.c: Update documentation and included files.
646         (vect_loop_location): Make extern.
647         (rename_use_op): Move to tree-vect-loop-manip.c
648         (rename_variables_in_bb, rename_variables_in_loop, 
649         slpeel_update_phis_for_duplicate_loop, 
650         slpeel_update_phi_nodes_for_guard1,
651         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
652         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
653         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
654         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
655         find_loop_location): Likewise.
656         (new_stmt_vec_info): Move to tree-vect-stmts.c.
657         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
658         get_vectype_for_scalar_type, vect_is_simple_use,
659         supportable_widening_operation, supportable_narrowing_operation):
660         Likewise.
661         (bb_in_loop_p): Move to tree-vect-loop.c.
662         (new_loop_vec_info, destroy_loop_vec_info, 
663         reduction_code_for_scalar_code, report_vect_op, 
664         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
665         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
666         (vect_supportable_dr_alignment): Likewise.
667         * tree-vectorizer.h (tree-data-ref.h): Include.
668         (vect_loop_location): Declare.
669         Reorganize function declarations according to the new file structure.
670         * tree-vect-loop.c: New file.
671         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
672         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
673         * tree-vect-data-refs.c: New file.
674         * tree-vect-patterns.c (timevar.h): Don't include.
675         * tree-vect-stmts.c: New file.
676         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
677         tree-vect-slp.c, tree-vect-loop.c.
678         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
679         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
680         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
681         (tree-vect-analyze.o): Remove.
682         (tree-vect-transform.o): Likewise.
683         (tree-vect-data-refs.o): Add rule.
684         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
685         tree-vect-slp.o): Likewise.
686         (tree-vect-patterns.o): Remove redundant dependencies.
687         (tree-vectorizer.o): Likewise.
688         * tree-vect-slp.c: New file.
689
690 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
691
692         * optc-gen.awk: Warn if an option flag has multiple different
693         help strings.
694
695 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
696
697         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
698         -floop-block): Document dependences on PPL, CLooG and Graphite.
699
700 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
701
702         PR rtl-optimization/323
703         * c-common.c (c_fully_fold, convert_and_check,
704         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
705         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
706         * c-common.def (EXCESS_PRECISION_EXPR): New.
707         * c-cppbuiltin.c (builtin_define_float_constants): Define
708         constants with enough digits for long double.
709         * c-lex.c (interpret_float): Interpret constant with excess
710         precision where appropriate.
711         * c-opts.c (c_common_post_options): Set
712         flag_excess_precision_cmdline.  Give an error for
713         -fexcess-precision=standard for C++ for processors where the
714         option is significant.
715         * c-parser.c (c_parser_conditional_expression): Handle excess
716         precision in condition.
717         * c-typeck.c (convert_arguments): Handle arguments with excess
718         precision.
719         (build_unary_op): Move excess precision outside operation.
720         (build_conditional_expr): Likewise.
721         (build_compound_expr): Likewise.
722         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
723         (build_modify_expr): Handle excess precision in RHS.
724         (convert_for_assignment): Handle excess precision in converted
725         value.
726         (digest_init, output_init_element, process_init_element): Handle
727         excess precision in initializer.
728         (c_finish_return): Handle excess precision in return value.
729         (build_binary_op): Handle excess precision in operands and add
730         excess precision as needed for operation.
731         * common.opt (-fexcess-precision=): New option.
732         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
733         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
734         For standard excess precision, output explicit conversion to and
735         truncation from XFmode.
736         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
737         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
738         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
739         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
740         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
741         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
742         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
743         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
744         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
745         define_splits, sqrt<mode>2): Disable where appropriate for
746         standard excess precision.
747         * convert.c (convert_to_real): Do not shorten arithmetic to type
748         for which excess precision would be used.
749         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
750         * doc/invoke.texi (-fexcess-precision=): Document option.
751         (-mfpmath=): Correct index entry.
752         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
753         flag_excess_precision): New.
754         * langhooks.c (lhd_post_options): Set
755         flag_excess_precision_cmdline.
756         * opts.c (common_handle_option): Handle -fexcess-precision=.
757         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
758         init_excess_precision): New.
759         (lang_dependent_init_target): Call init_excess_precision.
760         * tree.c (excess_precision_type): New.
761         * tree.h (excess_precision_type): Declare.
762
763 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
764
765         PR c/35235
766         * c-typeck.c (build_component_ref): Do not copy qualifiers from
767         non-lvalue to component.
768
769 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
770
771         PR preprocessor/34695
772         * Makefile.in (c-opts.o): Depend on c-tree.h.
773         * c-common.c: Move down include of diagnostic.h.
774         (done_lexing, c_cpp_error): New.
775         * c-common.h (done_lexing): Declare.
776         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
777         (parse_in).
778         * c-opts.c: Include c-tree.h.
779         (c_common_init_options): Set preprocessor error callback.
780         (c_common_handle_option): Do not set preprocessor
781         inhibit_warnings, warnings_are_errors, warn_system_headers,
782         pedantic_errors or inhibit_warnings flags.
783         (c_common_post_options): Do not check cpp_errors (parse_in).
784         (c_common_finish): Do not output dependencies if there were
785         errors.  Do not check return value of cpp_finish.
786         * c-ppoutput.c (pp_file_change): Set input_location.
787         * c-tree.h (c_cpp_error): Declare.
788         * diagnostic.c (diagnostic_set_info_translated): Also initialize
789         override_column.
790         (diagnostic_build_prefix): Check override_column.
791         * diagnostic.h (diagnostic_info): Add override_column field.
792         (diagnostic_override_column): Define.
793
794 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
795
796         * c-common.c (c_expand_expr, c_staticp): Remove.
797         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
798         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
799         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
800         * c-gimplify.c (gimplify_compound_literal_expr,
801         optimize_compound_literals_in_ctor): Remove.
802         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
803         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
804         * c-semantics.c (emit_local_var): Remove.
805
806         * langhooks-def.h (lhd_expand_expr): Remove.
807         * langhooks.c (lhd_expand_expr): Remove.
808         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
809
810         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
811         handling from c-semantics.c; don't call into langhook.
812         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
813         * gimplify.c (gimplify_compound_literal_expr,
814         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
815         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
816         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
817         as was done in c-gimplify.c.
818         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
819         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
820         Move from c-common.h.
821         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
822
823         * tree.c (staticp): Do not call langhook.
824         * langhooks.c (lhd_staticp): Delete.
825         * langhooks-def.h (lhd_staticp): Delete prototype.
826         (LANG_HOOKS_STATICP): Delete.
827         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
828
829         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
830         instead of DECL_STMTs.
831
832 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
833
834         PR c/456
835         PR c/5675
836         PR c/19976
837         PR c/29116
838         PR c/31871
839         PR c/35198
840         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
841         void_type_node.
842         (fold_call_expr): Return a NOP_EXPR from folding rather than the
843         contained expression.
844         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
845         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
846         conditional expressions for C.
847         (decl_constant_value_for_optimization): Move from
848         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
849         whether optimizing and that the expression is a VAR_DECL not of
850         array type instead of doing such checks in the caller.  Do not
851         check pedantic.  Call gcc_unreachable for C++.
852         * c-common.def (C_MAYBE_CONST_EXPR): New.
853         * c-common.h (c_fully_fold, c_save_expr,
854         decl_constant_value_for_optimization): New prototypes.
855         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
856         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
857         EXPR_INT_CONST_OPERANDS): Define.
858         * c-convert.c (convert): Strip nops from expression.
859         * c-decl.c (groktypename): Take extra parameters expr and
860         expr_const_operands.  Update call to grokdeclarator.
861         (start_decl): Update call to grokdeclarator.  Add statement for
862         expressions used in type of decl.
863         (grokparm): Update call to grokdeclarator.
864         (push_parm_decl): Update call to grokdeclarator.
865         (build_compound_literal): Add parameter non_const and build a
866         C_MAYBE_COSNT_EXPR if applicable.
867         (grokdeclarator): Take extra parameters expr and
868         expr_const_operands.  Track expressions used in declaration
869         specifiers and declarators.  Fold array sizes and track whether
870         they are constant expressions and whether they are integer
871         constant expressions.
872         (parser_xref_tag): Set expr and expr_const_operands fields in
873         return value.
874         (grokfield): Update call to grokdeclarator.
875         (start_function): Update call to grokdeclarator.
876         (build_null_declspecs): Set expr and expr_const_operands fields in
877         return value.
878         (declspecs_add_type): Handle expressions in typeof specifiers.
879         * c-parser.c (c_parser_declspecs): Set expr and
880         expr_const_operands fields for declaration specifiers.
881         (c_parser_enum_specifier): Likewise.
882         (c_parser_struct_or_union_specifier): Likewise.
883         (c_parser_typeof_specifier): Likewise.  Update call to
884         groktypename.  Fold expression as needed.  Return expressions with
885         type instead of adding statements.
886         (c_parser_attributes): Update calls to c_parser_expr_list.
887         (c_parser_statement_after_labels): Fold expression before passing
888         to objc_build_throw_stmt.
889         (c_parser_condition): Fold expression.
890         (c_parser_asm_operands): Fold expression.
891         (c_parser_conditional_expression): Use c_save_expr.  Update call
892         to build_conditional_expr.
893         (c_parser_alignof_expression): Update call to groktypename.
894         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
895         original_code.  Fold expression argument of va_arg.  Create
896         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
897         argument to va_arg.  Update calls to groktypename.  Fold array
898         index for offsetof.  Verify that first argument to
899         __builtin_choose_expr has integer type.
900         (c_parser_postfix_expression_after_paren_type): Update calls to
901         groktypename and build_compound_literal.  Handle expressions with
902         side effects in type name.
903         (c_parser_postfix_expression_after_primary): Update call to
904         c_parser_expr_list.  Set original_code for calls to
905         __builtin_constant_p.
906         (c_parser_expr_list): Take extra parameter fold_p.  Fold
907         expressions if requested.
908         (c_parser_objc_type_name): Update call to groktypename.
909         (c_parser_objc_synchronized_statement): Fold expression.
910         (c_parser_objc_receiver): Fold expression.
911         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
912         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
913         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
914         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
915         (struct c_typespec): Add elements expr and expr_const_operands.
916         (struct c_declspecs): Add elements expr and expr_const_operands.
917         (groktypename, build_conditional_expr, build_compound_literal):
918         Update prototypes.
919         (in_late_binary_op): Declare.
920         * c-typeck.c (note_integer_operands): New function.
921         (in_late_binary_op): New variable.
922         (decl_constant_value_for_broken_optimization): Move to c-common.c
923         and rename to decl_constant_value_for_optimization.
924         (default_function_array_conversion): Do not strip nops.
925         (default_conversion): Do not call
926         decl_constant_value_for_broken_optimization.
927         (build_array_ref): Do not fold result.
928         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
929         result when operand is a VLA.
930         (c_expr_sizeof_type): Update call to groktypename.  Handle
931         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
932         result when operand names a VLA type.
933         (build_function_call): Update call to build_compound_literal.
934         Only fold result for calls to __builtin_* functions.  Strip
935         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
936         the function designator.
937         (convert_arguments): Fold arguments.  Update call to
938         convert_for_assignment.
939         (build_unary_op): Handle increment and decrement of
940         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
941         decrement earlier.  Fold operand of increment and decrement.
942         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
943         built for integer operand.  Wrap returns that are INTEGER_CSTs
944         without being integer constant expressions or that have integer
945         constant operands without being INTEGER_CSTs.
946         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
947         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
948         result is an integer constant expression or can be used in
949         unevaluated parts of one and avoid folding and wrap as
950         appropriate.  Fold operands before possibly doing -Wsign-compare
951         warnings.
952         (build_compound_expr): Wrap result for C99 if operands can be used
953         in integer constant expressions.
954         (build_c_cast): Update call to digest_init.  Do not ignore
955         overflow from casting floating-point constants to integers.  Wrap
956         results that could be confused with integer constant expressions,
957         null pointer constants or floating-point constants.
958         (c_cast_expr): Update call to groktypename.  Handle expressions
959         included in type name.
960         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
961         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
962         Update calls to convert_for_assignment.
963         (convert_for_assignment): Take new parameter
964         null_pointer_constant.  Do not strip nops or call
965         decl_constant_value_for_broken_optimization.  Set
966         in_late_binary_op for conversions to boolean.
967         (store_init_value): Update call to digest_init.
968         (digest_init): Take new parameter null_pointer_constant.  Do not
969         call decl_constant_value_for_broken_optimization.  pedwarn for
970         initializers not constant expressions.  Update calls to
971         convert_for_assignment.
972         (constructor_nonconst): New.
973         (struct constructor_stack): Add nonconst element.
974         (really_start_incremental_init, push_init_level, pop_init_level):
975         Handle constructor_nonconst and nonconst element.
976         (set_init_index): Call constant_expression_warning for array
977         designators.
978         (output_init_element): Fold value.  Set constructor_nonconst as
979         applicable.  pedwarn for initializers not constant expressions.
980         Update call to digest_init.  Call constant_expression_warning
981         where constant initializers are required.
982         (process_init_element): Use c_save_expr.
983         (c_finish_goto_ptr): Fold expression.
984         (c_finish_return): Fold return value.  Update call to
985         convert_for_assignment.
986         (c_start_case): Fold switch expression.
987         (c_process_expr_stmt): Fold expression.
988         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
989         ensure statement expression is not evaluated in constant expression.
990         (build_binary_op): Track whether results are integer constant
991         expressions or may occur in such, disable folding and wrap results
992         as applicable.  Fold operands for -Wsign-compare warnings unless
993         in_late_binary_op.
994         (c_objc_common_truthvalue_conversion): Handle results folded to
995         integer constants that are not integer constant expressions.
996         * doc/extend.texi: Document when typeof operands are evaluated,
997         that condition of __builtin_choose_expr is an integer constant
998         expression, and more about use of __builtin_constant_p in
999         initializers.
1000
1001 2009-03-29  Richard Guenther  <rguenther@suse.de>
1002
1003         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1004         propagate addresses of array references.
1005
1006 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1007
1008         * regmove.c (perhaps_ends_bb_p): Remove.
1009         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
1010         from INSN and check that the main loop stays within that basic block.
1011         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1012         (regmove_forward_pass): Split out from regmove_optimize.  Use
1013         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1014         (regmove_backward_pass): Split out from regmove_optimize.  Use
1015         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1016         (regmove_optimize): Simplify.
1017
1018 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
1019
1020         PR target/39545
1021         * config/i386/i386.c (classify_argument): Ignore flexible array
1022         member in struct and warn ABI change.
1023
1024 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
1025
1026         * config/i386/i386-protos.h (ix86_agi_dependent): New.
1027
1028         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1029         (ix86_adjust_cost): Updated.
1030
1031 2009-03-29  Jan Hubicka  <jh@suse.cz>
1032
1033         PR middle-end/28850
1034         * tree-pass.h (pass_cleanup_eh): New function.
1035         (remove_unreachable_regions): Break code handling RTL
1036         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1037         that can not be reached by runtime.
1038         (can_be_reached_by_runtime): New function.
1039         (label_to_region_map): New function.
1040         (num_eh_regions): New function.
1041         (rtl_remove_unreachable_regions): New function.
1042         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1043         (remove_eh_region): New function.
1044         * except.h: Include sbitmap and vecprim.
1045         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1046         num_eh_regions): Declare.
1047         * passes.c (init_optimization_passes): Schedule cleanup_eh.
1048         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1049         * tree-eh.c (tree_remove_unreachable_handlers): New function.
1050         (tree_empty_eh_handler_p): New function.
1051         (cleanup_empty_eh): New function.
1052         (cleanup_eh): New function.
1053         (pass_cleanup_eh): New function.
1054
1055 2009-03-29  Jan Hubicka  <jh@suse.cz>
1056
1057         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1058         for removed regions.
1059
1060 2009-03-29  Jan Hubicka  <jh@suse.cz>
1061
1062         * except.c (dump_eh_tree): Dump all datastructures.
1063
1064 2009-03-29  Jan Hubicka  <jh@suse.cz>
1065
1066         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1067         (duplicate_eh_regions_1): Likewise.
1068         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1069         vector; call EH verification.
1070         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1071         Be ready for region being removed.
1072
1073 2009-03-29  Jan Hubicka  <jh@suse.cz>
1074
1075         * bitmap.c (bitmap_last_set_bit): New function.
1076         * bitmap.h (bitmap_last_set_bit): Declare.
1077
1078 2009-03-29  David Ayers  <ayers@fsfe.org>
1079
1080         PR objc/27377
1081         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1082         by calling objc_compare_types and surpress warnings about
1083         incompatible C pointers that are compatible ObjC pointers.
1084         
1085 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
1086
1087         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1088         call initialize_inline_failed.
1089         (initialize_inline_failed): Move it from here ...
1090         * cgraph.c (initialize_inline_failed): ... to here.
1091         (cgraph_create_edge): Call initialize_inline_failed rather than
1092         setting inline_failed directly.
1093
1094 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1095
1096         PR target/32542
1097         * sysv4.opt (msdata): Improve comment.
1098         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1099         * sysv4.h (SVR4_ASM_SPEC): Likewise.
1100
1101 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1102
1103         PR target/30451
1104         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1105         load and store attributes.
1106
1107 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1108
1109         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1110         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1111         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1112         * doc/extend.texi (X86 Built-in Functions): Add index entries for
1113         __builtin_infq and __builtin_huge_valq.
1114
1115 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
1116
1117         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
1118         atmega8m1 devices.
1119         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1120         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
1121
1122 2009-03-28  Xinliang David Li  <davidxl@google.com>
1123
1124         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
1125         (do_dbg_cnt): New function.
1126
1127 2009-03-28  Jan Hubicka  <jh@suse.cz>
1128
1129         Merge from pretty-ipa:
1130
1131         2009-03-27  Jan Hubicka  <jh@suse.cz>
1132
1133         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1134         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
1135         * passes.c (function_called_by_processed_nodes_p): New.
1136         * ipa-pure-const.c (check_call): Fix handling of operands.
1137         (analyze_function): Dump debug output for skipped bodies.
1138         (local_pure_const): Use function_called_by_processed_nodes_p.
1139         * dwarf2out.c (reference_to_unused): Use output.
1140         * passes.c (do_per_function_toporder): Likewise.
1141
1142         2008-11-12  Jan Hubicka  <jh@suse.cz>
1143
1144         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
1145         * ipa-pure-const.c (funct_state_d): Add can throw field; make
1146         state_set_in_source enum
1147         (check_decl): Ignore memory tags; do not set fake looping flags;
1148         dump diagnostics.
1149         (check_operand, check_tree, check_rhs_var, check_lhs_var,
1150         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
1151         (check_call, analyze_function): Rewrite.
1152         (check_stmt): New.
1153         (add_new_function): Update call of analyze_function.
1154         (generate_summary): Add call of analyze_function.
1155         (propagate): Propagate can_throw; handle state_set_in_source correctly.
1156         (local_pure_const): New function.
1157         (pass_local_pure_const): New pass.
1158         * ipa-inline.c (inline_transform): Set after_inlining.
1159         * tree-eh.c (stmt_can_throw_external): New.
1160         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
1161         work with aliasing built.
1162         * tree-flow.h (stmt_can_throw_external): New.
1163         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
1164         and local pure/const pass in early and late optimization queue.
1165
1166 2009-03-28  Martin Jambor  <mjambor@suse.cz>
1167
1168         * fold-const.c (get_pointer_modulus_and_residue): New parameter
1169         allow_func_align.
1170         (fold_binary): Allow function decl aligment consideration is the
1171         second argument is integer constant one.
1172         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
1173         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
1174         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
1175
1176 2009-03-28  Jan Hubicka  <jh@suse.cz>
1177
1178         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
1179         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
1180         * function.h (rtl_data): Add nothrow flag.
1181         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
1182         set DECL_NOTHROW for AVAILABLE functions.
1183
1184 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
1185
1186         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
1187         following vector keyword has expansion starting with pixel or bool
1188         keyword, expand vector to __vector and pixel or bool to __pixel or
1189         __bool.
1190
1191         PR c++/39554
1192         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
1193         warn_if_disallowed_function_p): Removed.
1194         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
1195         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
1196         warning_if_disallowed_function_p.
1197         * flags.h (warn_if_disallowed_function_p,
1198         warn_disallowed_functions): Removed.
1199         * common.opt (Wdisallowed-function-list=): Removed.
1200         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
1201
1202 2009-03-28  Richard Guenther  <rguenther@suse.de>
1203
1204         PR tree-optimization/38723
1205         * tree-ssa-pre.c (compute_avail): Add all default definitions to
1206         the entry block.
1207
1208 2009-03-28  Jan Hubicka  <jh@suse.cz>
1209
1210         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
1211         test introduced by my previous patch.
1212
1213 2009-03-28  Richard Guenther  <rguenther@suse.de>
1214
1215         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
1216         the PHIs value undefined.
1217
1218 2009-03-28  Jan Hubicka  <jh@suse.cz>
1219
1220         * tree-pass.h (pass_fixup_cfg): New pass.
1221         * ipa-inline.c (inline_transform): Set
1222         always_inline_functions_inlined/after_inlining.
1223         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
1224         (pass_fixup_cfg): New pass.
1225         * passes.c (init_optimization_passes): Add fixup_cfg.
1226
1227 2009-03-28  Richard Guenther  <rguenther@suse.de>
1228
1229         PR tree-optimization/38458
1230         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
1231         argument use the arguments copy-of value.
1232
1233 2009-03-28  Richard Guenther  <rguenther@suse.de>
1234
1235         PR tree-optimization/38180
1236         * tree-ssa-ccp.c (get_default_value): Simplify.
1237         (likely_value): Likewise.
1238         (surely_varying_stmt_p): Properly handle VOP case.
1239         (ccp_initialize): Likewise.
1240         (ccp_fold): Handle propagating through *&.
1241         (fold_const_aggregate_ref): Also handle decls.
1242
1243 2009-03-28  Jan Hubicka  <jh@suse.cz>
1244
1245         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1246         * cgraph.h (cgraph_node): Likewise.
1247         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
1248         (cgraph_reset_node): Use process flag.
1249         (cgraph_mark_functions_to_output): Likewise.
1250         (cgraph_expand_function): Likewise.
1251         (cgraph_expand_all_functions): Likewise.
1252         (cgraph_output_in_order): Likewise.
1253         * dwarf2out.c (reference_to_unused): Likewise.
1254         * passes.c do_per_function_toporder): Likewise.
1255
1256 2009-03-28  Jan Hubicka  <jh@suse.cz>
1257
1258         Bring from lto-branch:
1259
1260         2008-09-03  Doug Kwan  <dougkwan@google.com>
1261
1262         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
1263         enums instead of reason strings.
1264         * cgraph.c (cgraph_create_edge): Same.
1265         (cgraph_inline_failed_string): New function.
1266         * cgraph.h (cgraph_inline_failed_t): New enum type.
1267         (cgraph_inline_failed_string): New prototype.
1268         (struct cgraph_edge): Change type of INLINED_FAILED from constant
1269         char pointer to cgraph_inline_failed_t.
1270         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
1271         (cgraph_default_inline_p): Ditto.
1272         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
1273         to cgraph_inline_failed_t pointer.
1274         * cif-code.def: New file.
1275         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
1276         reason string.
1277         (cgraph_check_inline_limits): Change type of REASON to pointer to
1278         cgraph_inline_failed_t.  Replace reason strings with enums.
1279         (cgraph_default_inline_p): Ditto.
1280         (cgraph_recursive_inlining_p): Ditto.
1281         (update_caller_keys): Change type of FAILED_REASON to
1282         cgraph_inline_failed_t.
1283         (cgraph_set_inline_failed): Change type of REASON to pointer to
1284         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
1285         convert enums to strings for text output.
1286         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
1287         to be of type cgraph_inline_failed_t.  Replace reason strings with
1288         enums.  Call cgraph_inline_failed_string to covert enums
1289         to strings for text output.
1290         (cgraph_decide_inlining): Replace reason strings with enums.
1291         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
1292         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
1293         for text output.
1294         * tree-inline.c (expand_call_inline): Change type of REASON
1295         to cgraph_inline_failed_t.  Replace reason strings with enums.
1296         Call cgraph_inline_failed_string for text output.
1297         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
1298         (cgraph.o): Ditto.
1299
1300 2009-03-28  Jan Hubicka  <jh@suse.cz>
1301
1302         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
1303         cgraph_clone_node): Remove master clone handling.
1304         (cgraph_is_master_clone, cgraph_master_clone): Remove.
1305         * cgraph.h (master_clone): Remove.
1306         (cgraph_is_master_clone, cgraph_master_clone): Remove.
1307         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
1308         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1309
1310 2009-03-28  Jan Hubicka  <jh@suse.cz>
1311
1312         * cgraph.c (cgraph_function_body_availability): Functions declared
1313         inline are always safe to assume that it is not going to be replaced.
1314
1315 2009-03-28  Richard Guenther  <rguenther@suse.de>
1316
1317         PR tree-optimization/38513
1318         * tree-ssa-pre.c (eliminate): Remove redundant stores.
1319         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1320         EXC_PTR_EXPR and FILTER_EXPR.
1321         (get_ref_from_reference_ops): Likewise.
1322
1323 2009-03-28  Richard Guenther  <rguenther@suse.de>
1324
1325         PR tree-optimization/38968
1326         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1327         Use FLOOR_MOD_EXPR to compute misalignment.
1328
1329 2009-03-28  Richard Guenther  <rguenther@suse.de>
1330
1331         PR tree-optimization/37795
1332         * tree.h (combine_comparisons): Declare.
1333         * fold-const.c (combine_comparisons): Export.
1334         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
1335         comparisons.
1336         (ifcombine_iforif): Use combine_comparisons.
1337
1338 2009-03-28  Jan Hubicka  <jh@suse.cz>
1339
1340         * tree-eh.c (inlinable_call_p): New function.
1341         (make_eh_edges): Use it.
1342         (verify_eh_edges): Use it.
1343         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
1344         * except.c (reachable_next_level): Add inlinable_function argument
1345         (sjlj_find_directly_reachable_regions): Update.
1346         (add_reachable_handler): Do not set saw_any_handlers.
1347         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
1348         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1349         Add new inlinable call parameter.
1350         (can_throw_internal, can_throw_external): Update.
1351         * except.h (can_throw_internal_1, can_throw_external_1,
1352         foreach_reachable_handler): Update declaration.
1353
1354 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
1355
1356         * config/arm/t-arm-coff, config/h8300/coff.h,
1357         config/i386/i386-aout.h, config/i386/i386-coff.h,
1358         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
1359         config/pdp11/2bsd.h, config/rs6000/aix41.h,
1360         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
1361         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
1362         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
1363         sys-types.h: Remove.
1364         * Makefile.in: Remove protoize and fixproto support and references
1365         in comments.
1366         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
1367         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
1368         Remove.
1369         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
1370         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
1371         unprotoize$(exeext).
1372         (rest.encap): Don't depend on $(STMP_FIXPROTO)
1373         (.PHONY): Don't depend on proto.
1374         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
1375         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
1376         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1377         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1378         build/gen-protos.o, build/scan.o, xsys-protos.h,
1379         build/fix-header$(build_exeext), build/fix-header.o,
1380         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1381         stmp-install-fixproto): Remove.
1382         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1383         SYSCALLS.c or fixproto files.
1384         (install-common): Don't install protoize.
1385         (install-headers-tar, install-headers-cpio, install-headers-cp):
1386         Don't depend on $(STMP_FIXPROTO).
1387         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
1388         install fixproto files or write out fixproto settings.
1389         (uninstall): Don't uninstall protoize.
1390         * config.gcc (use_fixproto): Remove.
1391         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1392         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1393         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1394         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1395         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1396         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1397         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1398         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1399         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1400         * config/t-vxworks (STMP_FIXPROTO): Remove.
1401         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1402         STMP_FIXPROTO): Remove.
1403         * config.in, configure: Regenerate.
1404         * crtstuff.c (gid_t, uid_t): Don't undefine.
1405         * doc/install.texi: Change m68k-coff to m68k-elf in example.
1406         (arm-*-coff, arm-*-aout: Remove target entries.
1407         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1408         Remove mention of AIX 4.1.
1409         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1410         * doc/invoke.texi (Running Protoize): Remove.
1411         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1412         (Protoize Caveats): Remove.
1413         * tsystem.h: Update comments on headers assumed to exist.
1414
1415 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
1416
1417         * genautomata.c: Add a new year to the copyright.  Add a new
1418         reference.
1419         (struct insn_reserv_decl): Add comments for member bypass_list.
1420         (find_bypass): Remove.
1421         (insert_bypass): New.
1422         (process_decls): Use insert_bypass.
1423         (output_internal_insn_latency_func): Output all bypasses with the
1424         same input insn in one switch case.
1425
1426         * rtl.def (define_bypass): Describe bypass choice.
1427         * doc/md.texi (define_bypass): Ditto.
1428
1429 2009-03-27  Richard Guenther  <rguenther@suse.de>
1430
1431         * gimplify.c (mark_addressable): Export.
1432         * tree-flow.h (mark_addressable): Declare.
1433         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1434         * tree-ssa.c (verify_phi_args): Verify that address taken
1435         variables have TREE_ADDRESSABLE set.
1436
1437 2009-03-27  Richard Guenther  <rguenther@suse.de>
1438
1439         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1440         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
1441         Do not mark decls TREE_ADDRESSABLE.
1442         (build_fold_addr_expr): Adjust.
1443         (fold_addr_expr): Remove.
1444         (fold_unary): Use build_fold_addr_expr.
1445         (fold_comparison): Likewise.
1446         (split_address_to_core_and_offset): Likewise.
1447         * coverage.c (tree_coverage_counter_addr): Mark the array decl
1448         TREE_ADDRESSABLE.
1449         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1450         (gimplify_modify_expr_to_memcpy): Mark source and destination
1451         addressable.
1452         * omp-low.c (create_omp_child_function): Mark the object decl
1453         TREE_ADDRESSABLE.
1454         (lower_rec_input_clauses): Mark the var we take the address of
1455         TREE_ADDRESSABLE.
1456         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1457
1458 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1459
1460         PR middle-end/39315
1461         * cfgexpand.c (expand_one_stack_var_at): Change alignment
1462         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1463
1464 2009-03-27  Richard Guenther  <rguenther@suse.de>
1465
1466         PR tree-optimization/39120
1467         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1468         constraints.
1469         (handle_lhs_call): Process return constraints.  Add escape
1470         constraints if necessary.
1471         (handle_const_call): Fill out return constraints.  Make nested
1472         case more precise.  Avoid consttmp if possible.
1473         (handle_pure_call): Fill out return constraints.  Avoid
1474         callused if possible.
1475         (find_func_aliases): Simplify call handling.
1476
1477 2009-03-27  Richard Guenther  <rguenther@suse.de>
1478
1479         PR tree-optimization/39120
1480         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1481         as a representative.
1482         (solve_graph): Do propagate CALLUSED.
1483         (handle_pure_call): Use a scalar constraint from CALLUSED for
1484         the return value.
1485         (find_what_p_points_to): CALLUSED shall not appear in poins-to
1486         solutions.
1487
1488 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1489
1490         PR c/39323
1491         * c-common.c (handle_aligned_attribute): Properly check alignment
1492         overflow.  Use (1U << i) instead of (1 << i).
1493
1494         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1495
1496         * expr.h (get_mem_align_offset): Updated.
1497
1498         * tree.h (tree_decl_common): Change align to "unsigned int" and
1499         move it before pointer_alias_set.
1500
1501 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1502             Jakub Jelinek  <jakub@redhat.com>
1503
1504         PR target/38034
1505         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1506         gr_register_operand with gr_reg_or_0_operand.
1507         (cmpxchg_rel_di): Likewise.
1508         (sync_lock_test_and_set<mode>): Likewise.
1509
1510 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1511
1512         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1513         (true_regnum): Likewise.
1514
1515         * rtlanal.c (subreg_info): Moved to ...
1516         * rtl.h (subreg_info): Here.  New.
1517         (subreg_get_info): New.
1518
1519         * rtlanal.c (subreg_get_info): Make it extern.
1520
1521 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1522
1523         PR target/39472
1524         * config/i386/i386.c (ix86_abi): New.
1525         (override_options): Handle -mabi=.
1526         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1527         (ix86_call_abi_override): Likewise.
1528         (init_cumulative_args): Likewise.
1529         (function_arg_advance): Likewise.
1530         (function_arg_64): Likewise.
1531         (function_arg): Likewise.
1532         (ix86_pass_by_reference): Likewise.
1533         (ix86_function_value_regno_p): Likewise.
1534         (ix86_build_builtin_va_list_abi): Likewise.
1535         (setup_incoming_varargs_64): Likewise.
1536         (is_va_list_char_pointer): Likewise.
1537         (ix86_init_machine_status): Likewise.
1538         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1539         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
1540         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
1541         (ix86_function_abi): Make it static and return enum calling_abi.
1542         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
1543         with ix86_abi.
1544         (ix86_fn_abi_va_list): Updated.
1545
1546         * config/i386/i386.h (ix86_abi): New.
1547         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1548         (CONDITIONAL_REGISTER_USAGE): Likewise.
1549         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1550         (machine_function): Likewise.
1551
1552         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1553         with ix86_abi.
1554         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1555         (STACK_BOUNDARY): Likewise.
1556         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1557
1558         * config/i386/i386.opt (mabi=): New.
1559
1560         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1561         return enum calling_abi.
1562         (ix86_function_type_abi): Likewise.
1563         (ix86_function_abi): Removed.
1564
1565         * doc/invoke.texi: Document -mabi= option for x86.
1566
1567 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1568
1569         * builtins.c (real_dconstp): Delete.
1570         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1571
1572 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
1573             Jakub Jelinek  <jakub@redhat.com>
1574
1575         PR debug/37959
1576         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1577         (gen_subprogram_die): When a function is explicit, generate the
1578         DW_AT_explicit attribute.
1579         * langhooks.h (struct lang_hooks_for_decls): Add
1580         function_decl_explicit_p langhook.
1581         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1582         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1583
1584 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
1585
1586         * builtins.c (fold_builtin_memory_op): Optimize memmove
1587         into memcpy if we can prove source and destination don't overlap.
1588
1589         * tree-inline.c: Include gt-tree-inline.h.
1590         (clone_fn_id_num): New variable.
1591         (clone_function_name): New function.
1592         (tree_function_versioning): Use it.
1593         * Makefile.in (GTFILES): Add tree-inline.c.
1594
1595 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
1596
1597         * BASE-VER: Change to 4.5.0.
1598
1599 2009-03-27  Xinliang David Li  <davidxl@google.com>
1600
1601         PR tree-optimization/39557
1602         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1603
1604 2009-03-27  Xinliang David Li  <davidxl@google.com>
1605
1606         PR tree-optimization/39548
1607         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
1608         candidate check.
1609
1610 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1611
1612         * c-common.c (pointer_int_sum): Use %wd on return from
1613         tree_low_cst.
1614
1615 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1616
1617         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1618         on return from tree_low_cst.
1619
1620 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1621
1622         PR c++/36799
1623         * ginclude/stdarg.h (va_copy): Define also for
1624         __GXX_EXPERIMENTAL_CXX0X__.
1625
1626 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1627
1628         PR c++/35652
1629         * builtins.h (c_strlen): Do not warn here.
1630         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1631         * c-common.c (pointer_int_sum): Take an explicit location.
1632         Warn about offsets out of bounds.
1633         * c-common.h (pointer_int_sum): Adjust declaration.
1634
1635 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1636
1637         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1638         markup glitch.
1639
1640 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
1641
1642         PR c++/39554
1643         * opts.c (warn_if_disallowed_function_p): Don't assume
1644         get_callee_fndecl must return non-NULL.
1645
1646 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
1647
1648         PR rtl-optimization/39522
1649         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1650         when reg_reloaded_valid is set.
1651
1652 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1653
1654         * config/spu/divv2df3.c: New file.
1655         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1656         (DPBIT_FUNCS): Filter out _div_df.
1657
1658 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
1659
1660         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1661         a jump insn, count that jump in the distance to the loop start.
1662
1663 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1664
1665         PR target/39523
1666         * config/sh/sh.c (calc_live_regs): Fix condition for global
1667         registers except PIC_OFFSET_TABLE_REGNUM.
1668
1669 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
1670
1671         PR/39518
1672         * doc/invoke.texi (-mconsole): New.
1673         (-mcygwin): New.
1674         (-mno-cygwin): New.
1675         (-mdll): New.
1676         (-mnop-fun-dllimport): New.
1677         (-mthread): New.
1678         (-mwin32): New.
1679         (-mwindows): New.
1680         (sub section "i386 and x86-64 Windows Options"): New.
1681
1682 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
1683
1684         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1685         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1686
1687 2009-03-25  Richard Guenther  <rguenther@suse.de>
1688
1689         PR middle-end/39497
1690         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1691         of -Wno-error.
1692
1693 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
1694
1695         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1696         neither of haifa/selective schedulers are working.
1697
1698 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1699
1700         * doc/invoke.texi (Debugging Options): Fix description of
1701         -fno-merge-debug-strings.
1702
1703 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
1704
1705         * config/cris/libgcc.ver: New version-script.
1706         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1707
1708         * configure.ac <GAS features, nop mnemonic>: Add pattern
1709         crisv32-*-* for "nop".
1710         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1711         * configure: Regenerate.
1712
1713 2009-03-24  Ira Rosen  <irar@il.ibm.com>
1714
1715         PR tree-optimization/39529
1716         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1717         mark_sym_for_renaming for the tag copied to the new vector
1718         pointer.
1719
1720 2009-03-24  Arthur Loiret  <aloiret@debian.org>
1721
1722         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1723         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1724         EXTRA_SPEC_FUNCTIONS.
1725         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1726         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1727         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1728         -march and -mtune options.
1729
1730 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
1731
1732         * config/m68k/t-rtems: Add m5329 multilib.
1733
1734 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
1735             Jakub Jelinek  <jakub@redhat.com>
1736
1737         PR debug/39524
1738         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1739         nodes.
1740
1741 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
1742
1743         PR c/39495
1744         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1745         instead of c_parser_expression_conv, if original_code isn't one of the
1746         4 allowed comparison codes, fail.
1747
1748 2009-03-23  Richard Guenther  <rguenther@suse.de>
1749
1750         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1751         * tree.h (struct tree_type): Likewise.
1752         * reload.h (struct insn_chain): Likewise.
1753         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1754         * function.h (struct function): Likewise.
1755         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1756
1757 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
1758
1759         PR tree-optimization/39516
1760         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1761
1762 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
1763
1764         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
1765         should be set true if BITS_PER_WORD of target is bigger than 32
1766
1767 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
1768
1769         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1770         Translate -B-options to -rpath-link.  Correct existing
1771         rpath-link and conditionalize on !nostdlib.
1772
1773 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1774
1775         * doc/extend.texi (Function Attributes, Variable Attributes):
1776         Fix typos.
1777         * doc/invoke.texi (Debugging Options, Optimize Options)
1778         (i386 and x86-64 Options, MCore Options): Likewise.
1779
1780 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
1781
1782         PR debug/37890
1783         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1784         it for block local namespace aliases.
1785         (gen_decl_die): Pass context_die to gen_namespace_die.
1786
1787 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
1788
1789         PR c/39495
1790         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1791         minimum or maximum value.
1792
1793 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
1794
1795         * reginfo.c (globalize_reg): Recompute derived reg sets.
1796
1797 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
1798
1799         PR target/39063
1800         * libgcc2.c (mprotect): Do not use signed arguments for
1801         VirtualProtect, use DWORD arguments.  Also fix the 'may
1802         be used uninitialized' warning for the np variable.
1803
1804 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
1805
1806         PR target/39496
1807         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1808         functions using regparm calling conventions when not optimizing.
1809         (ix86_function_sseregparm): Similarly for sseregparm calling
1810         conventions.
1811
1812 2009-03-19  Li Feng  <nemokingdom@gmail.com>
1813
1814         PR middle-end/39500
1815         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1816         dependence if the first conflict is after niter iterations.
1817
1818 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
1819
1820         PR middle-end/38609
1821         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1822         functions with dynamic stack-pointer adjustments.
1823
1824 2009-03-19  Ben Elliston  <bje@au.ibm.com>
1825
1826         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1827         option; change to -msdata=data.
1828
1829 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1830
1831         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1832         and -fopenmp.
1833
1834 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
1835
1836         PR target/35180
1837         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1838
1839 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
1840
1841         * doc/invoke.texi (Code Gen Options): Expand discussion of
1842         -fno-common.
1843
1844 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
1845
1846         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1847         * matrix-reorg.c (struct matrix_info): Likewise.
1848         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1849         * rtl.h (struct mem_attrs): Likewise.
1850         * df.h (struct df): Likewise.
1851         * tree-data-ref.h (struct data_dependence_relation): Likewise.
1852         * ira-int.h (struct ira_allocno): Likewise.
1853         * df-scan.c (struct df_collection_rec): Likewise.
1854         * ira.c (struct equivalence): Likewise.
1855         * function.c (struct temp_slot): Likewise.
1856         * cfgloop.h (struct loop): Likewise.
1857
1858         PR debug/39485
1859         * function.c (use_register_for_decl): When not optimizing, disregard
1860         register keyword for variables with types containing methods.
1861
1862 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
1863
1864         PR middle-end/39447
1865         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1866         (is_simple_operand): Call contains_component_ref_p before calling data
1867         reference analysis that would fail on COMPONENT_REFs.
1868
1869         * tree-vrp.c (search_for_addr_array): Fix formatting.
1870
1871 2009-03-18  Richard Guenther  <rguenther@suse.de>
1872
1873         * tree-vect-transform.c (vect_loop_versioning): Fold the
1874         generated comparisons.
1875         * tree-vectorizer.c (set_prologue_iterations): Likewise.
1876         (slpeel_tree_peel_loop_to_edge): Likewise.
1877
1878 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1879
1880         PR middle-end/37805
1881         * opts.c (print_specific_help): In addition to `undocumented',
1882         accept `separate' and `joined' flags if passed alone.  Describe
1883         output by the first matched one of those.
1884         (common_handle_option): Skip over empty strings.
1885         * gcc.c (display_help): Fix help string for `--help='.
1886         * doc/invoke.texi (Option Summary, Overall Options): With
1887         `--help=', classes and qualifiers can both be repeated, but
1888         only the latter can be negated.  One should not pass only
1889         negated qualifiers.  Fix markup and examples.
1890
1891         Revert
1892         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
1893         PR middle-end/37805
1894         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1895         and -fhelp=separate.
1896
1897 2009-03-17  Jing Yu  <jingyu@google.com>
1898
1899         PR middle-end/39378
1900         * function.h (struct rtl_data): Move is_thunk from here...
1901         (struct function): ...to here.
1902         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1903         * varasm.c (assemble_start_function): Change is_thunk from crtl to
1904         cfun.
1905         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1906         cfun.
1907         (alpha_does_function_need_gp, alpha_start_function): Likewise.
1908         (alpha_output_function_end_prologue): Likewise.
1909         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1910         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1911         (rs6000_output_function_epilogue): Likewise.
1912         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1913
1914 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
1915
1916         PR target/39482
1917         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1918         from different units in a single alternative.
1919         (*truncdfsf_i387): Ditto.
1920         (*truncxfsf2_mixed): Ditto.
1921         (*truncxfdf2_mixed): Ditto.
1922
1923 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
1924
1925         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1926         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1927
1928         PR debug/39474
1929         * tree-ssa-live.c (remove_unused_locals): Don't remove local
1930         unused non-artificial variables when not optimizing.
1931
1932         PR debug/39471
1933         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1934         DW_TAG_imported_module even if decl is IMPORTED_DECL with
1935         NAMESPACE_DECL in its DECL_INITIAL.
1936
1937         PR middle-end/39443
1938         * optabs.c (set_user_assembler_libfunc): New function.
1939         * expr.h (set_user_assembler_libfunc): New prototype.
1940         * c-common.c: Include libfuncs.h.
1941         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1942         for memcmp, memset, memcpy, memmove and abort.
1943         * Makefile.in (c-common.o): Depend on libfuncs.h.
1944
1945         PR debug/39412
1946         * dwarf2out.c (gen_inlined_enumeration_type_die,
1947         gen_inlined_structure_type_die, gen_inlined_union_type_die,
1948         gen_tagged_type_instantiation_die): Removed.
1949         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1950         do nothing.
1951
1952 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
1953
1954         PR testsuite/38526
1955         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1956         its use.
1957         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1958         (check-parallel-%): Ditto.
1959         (check-consistency): Ditto.
1960
1961 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
1962
1963         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1964         local variable rhs by NULL_TREE.
1965
1966 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1967
1968         PR target/39477
1969         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1970
1971 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1972
1973         PR target/39476
1974         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1975
1976 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1977
1978         PR target/39473
1979         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1980         for ms->sysv ABI calls only in 64bit mode.
1981
1982         * config/i386/i386.md (untyped_call): Support 32bit.
1983
1984 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
1985
1986         * doc/extend.texi: Replace x86_65 with x86_64.
1987
1988 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
1989
1990         PR tree-optimization/39455
1991         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1992         mismatches for POINTER_TYPE_P (type).
1993         (number_of_iterations_le): Likewise.
1994
1995 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
1996
1997         * config/picochip/picochip.c: Removed profiling support.
1998         * config/picochip/picochip.md: Removed profiling instruction.
1999         * config/picochip/picochip.h: Removed profiling builtin.
2000
2001 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
2002
2003         * doc/install.texi (--with-host-libstdcxx): Document.
2004
2005 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
2006
2007         PR target/34299
2008         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2009         generate a warning if the function name does not begin with
2010         "__vector" and the function has either the 'signal' or 'interrupt'
2011         attribute, from here to ...
2012         (avr_declare_function_name): ...here. New function.
2013         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2014         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2015
2016 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
2017
2018         PR bootstrap/39454
2019         * cse.c (fold_rtx): Don't modify original const_arg1 when
2020         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2021         separate variable instead.
2022         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2023         from out of range shift counts.
2024         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2025
2026 2008-03-13  Catherine Moore  <clm@codesourcery.com>
2027
2028         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2029         diagnostic.h with $(DIAGNOSTIC_H).
2030
2031 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2032
2033         PR target/39431
2034         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2035         predicate.
2036         * config/i386/sync.md (sync_compare_and_swap<mode>,
2037         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2038         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2039         into a register.
2040         (sync_double_compare_and_swapdi_pic,
2041         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2042         cmpxchg8b_pic_memory_operand instead of just memory_operand.
2043
2044 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2045
2046         PR target/39445
2047         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2048
2049 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2050
2051         PR target/39327
2052         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2053         (avx_addsubv4df3): Likewise.
2054         (*avx_addsubv4sf3): Likewise.
2055         (sse3_addsubv4sf3): Likewise.
2056
2057 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2058
2059         PR target/38824
2060         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2061
2062 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
2063
2064         PR debug/39432
2065         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2066         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2067         registers for allocnos created from user-defined variables.
2068
2069 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2070
2071         PR target/39181
2072         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2073         of non-integer mode as well.
2074
2075 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
2076
2077         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2078         for functions for which the parameter types are unknown.
2079
2080 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
2081
2082         PR target/39137
2083         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2084         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2085         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2086         * config/i386/i386.c (ix86_local_alignment): For
2087         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2088         long long variables on the stack to avoid dynamic realignment.
2089         Allow the first argument to be a decl rather than type.
2090         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2091
2092 2009-03-11  Nick Clifton  <nickc@redhat.com>
2093
2094         PR target/5362
2095         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2096         options.
2097         Add description to mno-lsim option.
2098         * config/mcore/mcore.h: Remove comment about deprecated m4align
2099         option.
2100         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2101         * doc/invoke.texi: Add description of mno-lsim and
2102         mstack-increment options.
2103
2104         * config/fr30/fr30.opt: Document the -mno-lsim option.
2105         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2106         and -mno-lsim options.
2107
2108 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2109
2110         * fold-const.c (fold_comparison): Only call fold_inf_compare
2111         if the mode supports infinities.
2112
2113 2009-03-11  Jason Merrill  <jason@redhat.com>
2114
2115         PR debug/39086
2116         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
2117         end already did.  Notice GIMPLE_CALL modifications of the result.
2118         Don't copy debug information from an ignored decl or a decl from
2119         another function.
2120
2121 2009-03-10  Richard Guenther  <rguenther@suse.de>
2122             Nathan Froyd  <froydnj@codesourcery.com>
2123
2124         PR middle-end/37850
2125         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
2126         (__divMODE3): Likewise.
2127
2128 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
2129
2130         PR tree-optimization/39394
2131         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
2132         DECL_SIZE_UNIT of variable length FIELD_DECLs.
2133
2134 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2135
2136         * recog.c (verfiy_changes): Disallow renaming of hard regs in
2137         inline asms for register asm ("") declarations.
2138
2139 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
2140
2141         * fold-const.c (fold_unary): Fix comment.
2142
2143 2009-03-07  Jan Hubicka  <jh@suse.cz>
2144
2145         PR target/39361
2146         * tree-inline.c (setup_one_parameter): Do replacement of const
2147         argument by constant in SSA form.
2148
2149 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2150
2151         PR middle-end/38028
2152         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
2153         determine alignment passed to assign_stack_local.
2154         (assign_parms_unsplit_complex): Likewise.
2155         * except.c (sjlj_build_landing_pads): Likewise.
2156
2157 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
2158
2159         PR middle-end/39360
2160         * tree-flow.h (add_referenced_var): Return bool instead of void.
2161         * tree-dfa.c (add_referenced_var): Return result of
2162         referenced_var_check_and_insert call.
2163         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
2164         of referenced_var_check_and_insert.
2165
2166         PR debug/39372
2167         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
2168         (gen_variable_die): Emit DW_AT_location on abstract static variable's
2169         DIE, don't emit it if abstract origin already has it.
2170         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
2171         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
2172
2173 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2174
2175         * genpreds.c (needs_variable): Fix parentheses at variable name
2176         detection.
2177         (write_tm_constrs_h): Indent generated code.
2178
2179 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2180
2181         * doc/extend.texi (Function Attributes): Add documentation
2182         for isr attributes.
2183
2184 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
2185
2186         PR debug/39387
2187         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
2188         take locus from its DECL_SOURCE_LOCATION instead of input_location.
2189
2190 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2191
2192         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
2193         the loop as bad.
2194
2195 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
2196
2197         PR debug/39379
2198         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
2199         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
2200
2201 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
2202
2203         * config/i386/i386.md (R8_REG, R9_REG): New constants.
2204         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
2205         constants instead of magic numbers.
2206         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
2207         (QI_REG_P): Ditto.
2208         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
2209         (x86_64_ms_abi_int_parameter_registers): Ditto.
2210         (x86_64_int_return_registers): Ditto.
2211         (ix86_maybe_switch_abi): Ditto.
2212         (ix86_expand_call): Ditto for clobbered_registers array.
2213         (ix86_hard_regno_mode_ok): Ditto.
2214         (x86_extended_QIreg_mentioned_p): Ditto.
2215
2216 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
2217
2218         PR tree-optimization/39349
2219         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
2220
2221         * combine.c (gen_lowpart_for_combine): Use omode when generating
2222         clobber.
2223
2224 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
2225
2226         PR rtl-optimization/39235
2227         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
2228
2229 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
2230
2231         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
2232
2233 2009-03-04  Richard Guenther  <rguenther@suse.de>
2234
2235         PR tree-optimization/39362
2236         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
2237         that occur in abnormal PHIs should be varying.
2238
2239 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
2240
2241         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
2242         Extend comments.
2243         (simple_iv):  Take loop as an argument instead of statement.
2244         * tree-scalar-evolution.h (simple_iv): Declaration changed.
2245         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
2246         to simple_iv.
2247         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
2248         Ditto.
2249         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
2250         * matrix-reorg.c (analyze_transpose): Ditto.
2251         * tree-data-ref.c (dr_analyze_innermost): Ditto.
2252         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2253         * tree-predcom.c (ref_at_iteration): Ditto.
2254         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
2255
2256 2009-03-04  Richard Guenther  <rguenther@suse.de>
2257
2258         PR tree-optimization/39358
2259         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
2260         escaped_id and callused_id.
2261         (solve_graph): Likewise.
2262
2263 2009-03-04  Richard Guenther  <rguenther@suse.de>
2264
2265         PR tree-optimization/39339
2266         * tree-sra.c (try_instantiate_multiple_fields): Make it
2267         no longer ICE on the above.
2268
2269 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
2270
2271         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
2272         that fits within Pmode.
2273
2274 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
2275
2276         PR middle-end/10109
2277         * tm.texi (LIBCALL_VALUE): Update description.
2278
2279 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
2280
2281         PR middle-end/34443
2282         * doc/extend.texi (section): Update description.
2283
2284 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
2285
2286         PR middle-end/39345
2287         * tree-inline.c (remapped_type): New.
2288         (can_be_nonlocal): Call remapped_type instead of remap_type.
2289
2290 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
2291
2292         PR fortran/39354
2293         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
2294         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
2295
2296 2009-03-03  Richard Guenther  <rguenther@suse.de>
2297
2298         PR middle-end/39272
2299         * tree.c (tree_nonartificial_location): New function.
2300         * tree.h (tree_nonartificial_location): Declare.
2301         * builtins.c (expand_builtin_memory_chk): Provide location
2302         of the call location for artificial function pieces.
2303         (maybe_emit_chk_warning): Likewise.
2304         (maybe_emit_sprintf_chk_warning): Likewise.
2305         (maybe_emit_free_warning): Likewise.
2306         * expr.c (expand_expr_real_1): Likewise.
2307
2308 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
2309
2310         PR tree-optimization/39343
2311         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
2312         COMPONENT_REF t has ARRAY_TYPE.
2313
2314 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2315
2316         PR middle-end/39335
2317         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2318         when the type precision of the induction variable should be
2319         larger than the type precision of nit.
2320         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2321         * graphite.c (graphite_loop_normal_form): Same.
2322         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2323
2324 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
2325
2326         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
2327         (*call_1_rex64_ms_sysv): Use named constants instead of magic
2328         numbers to describe clobbered registers.
2329         (*call_value_0_rex64_ms_sysv): Ditto.
2330         * config/i386/mmx.md (mmx_emms): Ditto.
2331         (mmx_femms): Ditto.
2332
2333 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
2334
2335         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
2336         of ABI_64.
2337
2338 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2339
2340         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
2341         (spu_section_type_flags): New function.
2342
2343 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
2344
2345         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
2346         reg_class_contents of FLOAT_REGS into a temporary.
2347
2348 2009-03-02  Richard Guenther  <rguenther@suse.de>
2349             Ira Rosen  <irar@il.ibm.com>
2350
2351         PR tree-optimization/39318
2352         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
2353         information to the vectorized statement.
2354
2355 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
2356
2357         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
2358         variable.  Use defined names instead of magic constants for REX SSE
2359         registers.
2360
2361 2009-03-01  Richard Guenther  <rguenther@suse.de>
2362
2363         PR tree-optimization/39331
2364         * omp-low.c (lower_send_shared_vars): Do not receive new
2365         values for the reference of DECL_BY_REFERENCE parms or results.
2366
2367 2009-03-01  Jan Hubicka  <jh@suse.cz>
2368
2369         PR debug/39267
2370         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
2371         BLOCK_NONLOCALIZED_VAR): New macros.
2372         (tree_block): Add nonlocalized_vars.
2373         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
2374         gen_decl_die): Add origin argument.  Allow generation of die with
2375         origin at hand only.
2376         (gen_member_die, gen_type_die_with_usage, force_decl_die,
2377         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2378         of gen_*.
2379         (gen_block_die): Fix checking for unused blocks.
2380         (process_scope_var): Break out from .... ; work with origins only.
2381         (decls_for_scope) ... here; process nonlocalized list.
2382         (dwarf2out_ignore_block): Look for nonlocalized vars.
2383         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2384         vars.
2385         (dump_scope_block): Dump them.
2386         * tree-inline.c (remap_decls): Handle nonlocalized vars.
2387         (remap_block): Likewise.
2388         (can_be_nonlocal): New predicate.
2389         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2390
2391 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2392
2393         * configure: Regenerate.
2394
2395 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2396
2397         * optc-gen.awk: No need to duplicate option flags twice.
2398         Reuse help texts for duplicate options which do not have any.
2399
2400         * gcc.c (display_help): Document --version.
2401
2402         * gcc.c (main): If print_help_list and verbose_flag, ensure
2403         driver output comes before subprocess output.
2404
2405         * optc-gen.awk: Assign all remaining fields to help string,
2406         space-separated, for multi-line help in *.opt.
2407
2408         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2409         -Wno-pedantic-ms-format is for MinGW targets only.
2410
2411         * doc/options.texi (Option file format): Fix bad indentation,
2412         restoring dropped sentence.
2413
2414 2009-02-28  Jan Hubicka  <jh@suse.cz>
2415
2416         * tree-inline.c (tree_function_versioning): Output debug info.
2417
2418 2009-02-28  Jan Hubicka  <jh@suse.cz>
2419
2420         PR debug/39267
2421         * tree-inline.c (setup_one_parameter): Do not copy propagate
2422         arguments when not optimizing.
2423
2424 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
2425
2426         PR target/39327
2427         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2428         (avx_addsubv4df3): Likewise.
2429         (*avx_addsubv4sf3): Likewise.
2430         (sse3_addsubv4sf3): Likewise.
2431         (*avx_addsubv2df3): Likewise.
2432         (sse3_addsubv2df3): Likewise.
2433         (avx_unpckhps256): Correct item selectors.
2434         (avx_unpcklps256): Likewise.
2435         (avx_unpckhpd256): Likewise.
2436         (avx_unpcklpd256): Likewise.
2437
2438 2009-02-28  Jan Hubicka  <jh@suse.cz>
2439
2440         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2441         static vars.
2442         (copy_arguments_for_versioning): If var is declared don't declare it.
2443         (tree_function_versioning): First setup substitutions and then copy
2444         args.
2445
2446 2009-02-27  Jan Hubicka  <jh@suse.cz>
2447
2448         PR debug/39267
2449         * cgraph.h (varpool_output_debug_info): Remove.
2450         * cgraphunit.c (varpool_output_debug_info): Remove.
2451         * dwarf2out.c (deferred_locations_struct): New struct
2452         (deferred_locations): New type.
2453         (deferred_locations_list): New static var.
2454         (deffer_location): New function.
2455         (gen_variable_die): Use it.
2456         (decls_for_scope): Output info on local static vars.
2457         (dwarf2out_finish): Process deferred locations.
2458         * varpool.c (varpool_output_debug_info): Remove.
2459
2460 2009-02-27  Jan Hubicka  <jh@suse.cz>
2461
2462         PR debug/39267
2463         * tree.h (TREE_PROTECTED): Fix comment.
2464         (BLOCK_HANDLER_BLOCK): Remove.
2465         (struct tree_block): Remove handler_block add body_block.
2466         (inlined_function_outer_scope_p): New.
2467         (is_body_block): Remove.
2468         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2469         * dwarf2out.c (is_inlined_entry_point): Remove.
2470         (add_high_low_attributes): Use inlined_function_outer_scope_p.
2471         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
2472         code.
2473         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2474         * gimplify.c (gimplify_expr): Gimplify body blocks.
2475         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2476         block with multiple subblocks.
2477         (dump_scope_block): Prettier output; dump more flags and info.
2478         (dump_scope_blocks): New.
2479         (remove_unused_locals): Use dump_scope_blocks.
2480         * tree-flow.h (dump_scope_blocks): Declare.
2481         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2482         * stmt.c (is_body_block): Remove.
2483         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2484         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2485
2486 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2487
2488         PR middle-end/39308
2489         * graphite.c (graphite_loop_normal_form): Do not call 
2490         number_of_iterations_exit from a gcc_assert.
2491
2492 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2493
2494         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2495         jumps if COND is NULL.
2496         (find_cond_jump): New function.
2497         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2498         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2499
2500 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
2501
2502         * config/alpha/alpha.h (alpha_expand_mov): Return false if
2503         force_const_mem returns NULL_RTX.
2504
2505 2009-02-26  Jan Hubicka  <jh@suse.cz>
2506
2507         PR debug/39267
2508         * cgraph.h (varpool_output_debug_info): Remove.
2509         * cgraphunit.c (varpool_output_debug_info): Remove.
2510         * dwarf2out.c (deferred_locations_struct): New struct
2511         (deferred_locations): New type.
2512         (deferred_locations_list): New static var.
2513         (deffer_location): New function.
2514         (gen_variable_die): Use it.
2515         (decls_for_scope): Output info on local static vars.
2516         (dwarf2out_finish): Process deferred locations.
2517         * varpool.c (varpool_output_debug_info): Remove.
2518
2519 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
2520
2521         PR rtl-optimization/39241
2522         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2523         to subreg_offset_representable_p.
2524
2525 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
2526
2527         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2528         execute function prototype.  Get f and nregs from max_reg_num
2529         and get_insns.  Remove the first backward pass as it's dead,
2530         guard the forward pass by flag_expensive_optimizations.
2531         (rest_of_handle_regmove): Delete.
2532         (pass_regmove): Replace it with regmove_optimize.
2533
2534 2009-02-25  Martin Jambor  <mjambor@suse.cz>
2535
2536         PR tree-optimization/39259
2537         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2538         calls_alloca function flags.
2539         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2540         calls are detected.
2541
2542 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
2543
2544         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2545         flags_set_1_rtx, flags_set_1_set): Delete.
2546         (regmove_optimize): Do not call mark_flags_life_zones.
2547
2548 2009-02-24  Julian Brown  <julian@codesourcery.com>
2549
2550         PR target/35965
2551         * config/arm/arm.c (require_pic_register): Only set
2552         cfun->machine->pic_reg once per function.
2553
2554 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
2555
2556         * doc/invoke.texi (Link Options): Document an easier way to pass
2557         options that take arguments to the GNU linker using -Xlinker and -Wl.
2558
2559 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
2560
2561         PR target/33785
2562         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2563
2564 2009-02-24  Richard Guenther  <rguenther@suse.de>
2565
2566         PR debug/39285
2567         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2568
2569 2009-02-24  Richard Guenther  <rguenther@suse.de>
2570             Zdenek Dvorak  <ook@ucw.cz>
2571
2572         PR tree-optimization/39233
2573         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2574         from converting them to a generic type.
2575
2576 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2577
2578         PR tree-optimization/39260
2579         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2580         contains a condition with a real type.
2581         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2582
2583 2009-02-23  Jason Merrill  <jason@redhat.com>
2584
2585         PR c++/38880
2586         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2587         narrowing_initializer_constant_valid_p.
2588         (narrowing_initializer_constant_valid_p): Don't return 
2589         null_pointer_node for adding a pointer to itself.
2590
2591 2009-02-23  Jan Hubicka  <jh@suse.cz>
2592
2593         PR c/12245
2594         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2595         resizing.
2596
2597 2009-02-23  Jan Hubicka  <jh@suse.cz>
2598
2599         PR tree-optimization/37709
2600         * tree.c (block_ultimate_origin): Move here from dwarf2out.
2601         * tree.h (block_ultimate_origin): Declare.
2602         * dwarf2out.c (block_ultimate_origin): Move to tree.c
2603         * tree-ssa-live.c (remove_unused_scope_block_p):
2604         Eliminate blocks containig no instructions nor live variables nor
2605         nested blocks.
2606         (dump_scope_block): New function.
2607         (remove_unused_locals): Enable removal of dead blocks by default;
2608         enable dumping at TDF_DETAILS.
2609
2610 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2611
2612         * config/i386/i386.c (classify_argument): Don't allow COImode
2613         and OImode.
2614         (function_arg_advance_32): Don't allow OImode.
2615         (function_arg_32): Likewise.
2616         (function_value_32): Likewise.
2617         (return_in_memory_32): Likewise.
2618         (function_arg_64): Remove OImode comment.
2619
2620 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2621
2622         PR target/39261
2623         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2624         ix86_expand_vector_set for V4DImode in 64bit mode only.
2625         (ix86_expand_vector_init_one_var): Likewise.
2626
2627 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2628
2629         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2630
2631 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
2632
2633         PR bootstrap/39257
2634         * loop-iv.c: Revert last change.
2635         * emit-rtl.c: Likewise.
2636
2637 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2638
2639         PR target/39256
2640         * config/i386/i386.c (type_natural_mode): Remove an extra
2641         space in the warning message.
2642         (function_value_32): Handle 32-byte vector modes.
2643         (return_in_memory_32): Likewise.
2644
2645 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
2646
2647         * loop-iv.c (truncate_value): New function.
2648         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2649         of lowpart_subreg.
2650         (lowpart_subreg): Move to...
2651         * emit-rtl.c: ...here.
2652
2653 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
2654
2655         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2656         accidental and undocumented change at revision 140860.
2657
2658 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
2659
2660         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2661         take gimple_seq * arguments.
2662         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2663         types_compatible_p langhook.
2664
2665 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
2666             Joseph Myers  <joseph@codesourcery.com>
2667
2668         * config/arm/arm.c (arm_builtin_va_list): New function.
2669         (arm_expand_builtin_va_start): Likewise.
2670         (arm_gimplify_va_arg_expr): Likewise.
2671         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2672         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2673         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2674         (va_list_type): New variable.
2675         (arm_mangle_type): Mangle va_list_type appropriately.
2676
2677 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
2678
2679         PR middle-end/39157
2680         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2681         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2682         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2683         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2684         parameter to 1000 for -O1 by default.
2685         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2686         parameter.
2687         * loop-invariant.c: Include params.h.
2688         (move_loop_invariants): Don't call move_single_loop_invariants on
2689         very large loops.
2690
2691 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
2692
2693         * calls.c (emit_library_call_value_1): Use slot_offset instead of
2694         offset when calculating bounds for indexing stack_usage_map.  Fixes
2695         a buffer overflow with certain target setups.
2696
2697 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
2698
2699         PR target/39240
2700         * calls.c (expand_call): Clear try_tail_call if caller and callee
2701         disagree in promotion of function return value.
2702
2703 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
2704
2705         PR target/39175
2706         * c-common.c (c_determine_visibility): If visibility changed and
2707         DECL_RTL has been already set, call make_decl_rtl to update symbol
2708         flags.
2709
2710 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2711
2712         PR c++/39188
2713         * varasm.c (assemble_variable): Don't check DECL_NAME when
2714         globalizing a variable.
2715
2716 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
2717
2718         PR c/38483
2719         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2720         expression before any __builtin_trap call.
2721         * c-typeck.c (build_function_call): Convert and check function
2722         arguments before generating a call to a trap.  Evaluate the
2723         function arguments before the trap.
2724
2725 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
2726
2727         PR target/39228
2728         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2729         (UNSPEC_FXAM_MEM): New unspec.
2730         (fxam<mode>2_i387_with_temp): New insn and split pattern.
2731         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
2732         memory using fxam<mode>2_i387_with_temp to remove excess precision.
2733
2734 2009-02-19  Richard Guenther  <rguenther@suse.de>
2735
2736         PR tree-optimization/39207
2737         PR tree-optimization/39074
2738         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2739         storedanything_tree): New.
2740         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
2741         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2742         (build_succ_graph): Add edges from STOREDANYTHING to all
2743         non-direct nodes.
2744         (init_base_vars): Initialize STOREDANYTHING.
2745         (compute_points_to_sets): Free substitution info after
2746         building the succ graph.
2747         (ipa_pta_execute): Likewise.
2748
2749         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2750         field.
2751         (do_ds_constraint): Do not add to special var or non-pointer
2752         field solutions.
2753         (type_could_have_pointers): Split out from ...
2754         (could_have_pointers): ... here.  For arrays use the element type.
2755         (create_variable_info_for): Initialize may_have_pointers.
2756         (new_var_info): Likewise.
2757         (handle_lhs_call): Make the HEAP variable unknown-sized.
2758         (intra_create_variable_infos): Use a type with pointers for
2759         PARM_NOALIAS, make it unknown-sized.
2760
2761 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2762
2763         PR target/39224
2764         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2765
2766 2009-02-18  Jason Merrill  <jason@redhat.com>
2767
2768         PR target/39179
2769         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2770         value if DECL_EXTERNAL.
2771         * tree-sra.c (sra_walk_gimple_assign): Likewise.
2772         * target.h (gcc_target::binds_local_p): Clarify "module".
2773         * tree.h (TREE_PUBLIC): Clarify "module".
2774
2775 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
2776
2777         PR target/38891
2778         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2779         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2780
2781 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
2782
2783         PR target/39082
2784         * c.opt (Wabi): Support C and ObjC.
2785         (Wpsabi): New.
2786
2787         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2788
2789         * config/i386/i386.c (classify_argument): Warn once about the ABI
2790         change when passing union with long double.
2791
2792         * doc/invoke.texi: Update -Wabi for warning psABI changes.
2793
2794 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
2795
2796         PR c/35447
2797         * c-parser.c (c_parser_compound_statement): Always enter and leave
2798         a scope.
2799
2800 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2801
2802         PR target/34587
2803         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2804
2805 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
2806
2807         PR tree-optimization/36922
2808         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2809         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2810         Likewise.
2811
2812 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
2813
2814         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2815         to 0 for EABI64.
2816
2817 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
2818
2819         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2820
2821 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
2822
2823         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2824         tree sharing.
2825
2826 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
2827             Richard Sandiford  <rdsandiford@googlemail.com>
2828
2829         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2830         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2831         (loongson_biadd): ...this.
2832
2833 2009-02-17  Richard Guenther  <rguenther@suse.de>
2834
2835         PR tree-optimization/39202
2836         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2837         a var make sure to follow existing collapses.
2838
2839 2009-02-17  Richard Guenther  <rguenther@suse.de>
2840
2841         PR middle-end/39214
2842         * langhooks.c (lhd_print_error_function): Check for NULL block.
2843
2844 2009-02-17  Richard Guenther  <rguenther@suse.de>
2845
2846         PR tree-optimization/39204
2847         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2848         of the PHI arg.
2849
2850 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
2851
2852         * config/soft-fp/double.h: Update from glibc CVS.
2853
2854 2009-02-17  Richard Guenther  <rguenther@suse.de>
2855
2856         PR tree-optimization/39207
2857         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2858         strict-aliasing warnings for pointers pointing to NULL.
2859
2860 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
2861
2862         PR c/35446
2863         * c-parser.c (c_parser_braced_init): Call pop_init_level when
2864         skipping until next close brace.
2865
2866 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
2867
2868         PR target/37049
2869         * config/i386/i386.c (ix86_expand_push): Set memory alignment
2870         to function argument boundary.
2871
2872 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2873
2874         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2875         in the lea_add. Reload eventually constraints it properly.
2876         * config/picochip/constraints.md : Remove the target constraint
2877         "b", since it is not needed anymore.
2878
2879 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
2880
2881         * gthr-dce.h: Uglify function parameter and local variable names.
2882         * gthr-gnat.h: Likewise.
2883         * gthr-mipssde.h: Likewise.
2884         * gthr-nks.h: Likewise.
2885         * gthr-posix95.h: Likewise.
2886         * gthr-posix.h: Likewise.
2887         * gthr-rtems.h: Likewise.
2888         * gthr-single.h: Likewise.
2889         * gthr-solaris.h: Likewise.
2890         * gthr-tpf.h: Likewise.
2891         * gthr-vxworks.h: Likewise.
2892         * gthr-win32.h: Likewise.
2893
2894 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
2895
2896         PR target/39196
2897         * config/i386/i386.md: Restrict the new peephole2 to move
2898         between MMX/SSE registers.
2899
2900 2009-02-15  Richard Guenther  <rguenther@suse.de>
2901
2902         Revert
2903         2009-02-13  Richard Guenther  <rguenther@suse.de>
2904
2905         * configure.ac: Enable LFS.
2906         * configure: Re-generate.
2907         * config.in: Likewise.
2908
2909 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2910
2911         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2912         spu_srqwbyte, spu_srqwbytebc): Define.
2913         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2914         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2915         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2916         "shrqby_<mode>"): New insn-and-split patterns.
2917         * config/spu/spu.c (expand_builtin_args): Determine and return
2918         number of operands using spu_builtin_description data.
2919         (spu_expand_builtin_1): Use it.
2920
2921 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
2922
2923         PR target/38056
2924         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2925         TARGET_CONST_GP.
2926
2927 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2928
2929         PR target/39149
2930         * config/i386/i386.c (override_options): Correct warning
2931         messages for -malign-loops, -malign-jumps and -malign-functions.
2932
2933 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2934
2935         PR target/39152
2936         * config/i386/i386.md: Restrict the new peephole2 to move
2937         between the general purpose registers.
2938
2939 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2940
2941         PR target/39162
2942         * config/i386/i386.c (type_natural_mode): Add a new argument.
2943         Return the original mode and warn ABI change if vector size is 32byte.
2944         (function_arg_advance): Updated.
2945         (function_arg): Likewise.
2946         (ix86_function_value): Likewise.
2947         (ix86_return_in_memory): Likewise.
2948         (ix86_sol10_return_in_memory): Likewise.
2949         (ix86_gimplify_va_arg): Likewise.
2950         (function_arg_32): Don't warn ABX ABI change here.
2951         (function_arg_64): Likewise.
2952
2953 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
2954
2955         * loop-iv.c (implies_p): In the final case, test that operands 0
2956         of the two comparisons match.
2957
2958         * config/bfin/bfin.c (find_prev_insn_start): New function.
2959         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2960         (find_next_insn_start): Move.
2961
2962 2009-02-13  Richard Guenther  <rguenther@suse.de>
2963
2964         * configure.ac: Enable LFS.
2965         * configure: Re-generate.
2966         * config.in: Likewise.
2967
2968 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
2969
2970         PR c/35444
2971         * c-parser.c (c_parser_parms_list_declarator): Discard pending
2972         sizes on syntax error after some arguments have been parsed.
2973
2974 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
2975
2976         * doc/invoke.texi (-fira): Remove.
2977
2978 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
2979
2980         * caller-save.c: Replace regclass.c with reginfo.c in comments.
2981         * recog.c: Likewise.
2982         * rtl.h: Likewise.
2983
2984 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
2985
2986         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2987         (umul_ppmm): Likewise.
2988         (count_leading_zeros): Likewise.
2989         (count_trailing_zeros): Likewise.
2990         (UMUL_TIME): Likewise.
2991
2992 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
2993
2994         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2995         soft-fp/t-softfp to tmake_file.
2996
2997         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2998         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2999         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3000         IA64_BUILTIN_INFQ]: New.
3001         (ia64_init_builtins): Initialize __builtin_infq,
3002         __builtin_fabsq and __builtin_copysignq if not HPUX.
3003         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3004         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3005
3006         * config/ia64/lib1funcs.asm (__divtf3): Define only if
3007         SHARED is defined.
3008         (__fixtfti): Likewise.
3009         (__fixunstfti): Likewise.
3010         (__floattitf): Likewise.
3011
3012         * config/ia64/libgcc-glibc.ver: New.
3013         * config/ia64/t-fprules-softfp: Likewise.
3014         * config/ia64/sfp-machine.h: Likewise.
3015
3016         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3017         (LIBGCC2_TF_CEXT): Likewise.
3018         (TF_SIZE): Likewise.
3019         (TARGET_INIT_LIBFUNCS): Likewise.
3020
3021         * config/ia64/t-glibc (SHLINB_MAPFILES):
3022         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3023
3024 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
3025
3026         * config/i386/i386.c (construct_container): Rewrite processing
3027         BLKmode with X86_64_SSE_CLASS.
3028
3029 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
3030
3031         PR target/39152
3032         * config/i386/i386.md: Replace simplify_replace_rtx with
3033         replace_rtx in the new peephole2.
3034
3035 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
3036
3037         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3038         loop unrolling do not happen at -O2.
3039
3040 2009-02-12  Michael Matz  <matz@suse.de>
3041
3042         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3043
3044 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
3045
3046         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3047         for -g3.
3048
3049 2009-02-12  Ben Elliston  <bje@au.ibm.com>
3050
3051         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3052         patterns when updating the back chain.  Missed in the 2009-02-10
3053         change.
3054
3055 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
3056
3057         * doc/extend.texi (Decimal Floating Types): Update identifier of
3058         draft TR and list of missing support.
3059
3060 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
3061
3062         PR middle-end/39154
3063         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3064         bit to variable length decl's flags, add it also to its
3065         pointer replacement variable.
3066
3067 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
3068             Jakub Jelinek  <jakub@redhat.com>
3069
3070         PR target/39118
3071         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3072         (memory_blockage): New expander.
3073         (*memory_blockage): New insn pattern.
3074         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3075         instead of general blockage at the end of function prologue when
3076         frame pointer is used to access red zone area.  Do not emit blockage
3077         when profiling, it is emitted in generic code.
3078         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3079         function epilogue when frame pointer is used to access red zone area.
3080
3081 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
3082
3083         PR target/38824
3084         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3085         by arithmetic with memory operands.
3086         * config/i386/predicates.md (commutative_operator): New.
3087
3088 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
3089
3090         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3091         bulleted lists.
3092
3093 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3094
3095         * alias.h (record_alias_subset): Declare.
3096         * alias.c (record_alias_subset): Make global.
3097
3098 2009-02-10  Nick Clifton  <nickc@redhat.com>
3099
3100         * tree-parloops.c: Change license to GPLv3.
3101         * ipa-struct-reorg.c: Change license to GPLv3.
3102         * ipa-struct-reorg.h: Change license to GPLv3.
3103
3104 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
3105
3106         PR c/39084
3107         * c-decl.c (start_struct): Return NULL on error.
3108
3109 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
3110
3111         PR middle-end/39124
3112         * cfgloopmanip.c (remove_path): Call remove_bbs after
3113         cancel_loop_tree, not before it.
3114
3115         PR target/39139
3116         * function.h (struct function): Add has_local_explicit_reg_vars bit.
3117         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
3118         VAR_DECLs were seen.
3119         * tree-ssa-live.c (remove_unused_locals): Recompute
3120         cfun->has_local_explicit_reg_vars.
3121         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
3122         copies or clearings if cfun->has_local_explicit_reg_vars.
3123
3124 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
3125
3126         PR target/39118
3127         * config/i386/i386.c (expand_prologue): Emit blockage at the end
3128         of function prologue when frame pointer is used to access
3129         red zone area.
3130
3131 2009-02-10  Richard Guenther  <rguenther@suse.de>
3132
3133         PR middle-end/39127
3134         * gimplify.c (gimple_regimplify_operands): Always look if
3135         we need to create a temporary.
3136
3137 2009-02-10  Richard Guenther  <rguenther@suse.de>
3138
3139         PR tree-optimization/39132
3140         * tree-loop-distribution.c (todo): New global var.
3141         (generate_memset_zero): Trigger TODO_rebuild_alias.
3142         (tree_loop_distribution): Return todo.
3143
3144 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
3145
3146         PR target/39119
3147         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
3148         (x86_64_reg_class_name): Removed.
3149         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
3150         first one isn't X86_64_SSE_CLASS or any other ones aren't
3151         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
3152         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
3153         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
3154         and 3 X86_64_SSEUP_CLASS.
3155         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
3156         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
3157
3158 2009-02-10  Ben Elliston  <bje@au.ibm.com>
3159
3160         * config/rs6000/rs6000.md (allocate_stack): Always use an update
3161         form instruction to update the stack back chain word, even if the
3162         user has disabled the generation of update instructions.
3163         (movdi_<mode>_update_stack): New.
3164         (movsi_update_stack): Likewise.
3165         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
3166         always use an update form instruction to update the stack back
3167         chain word.
3168
3169 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
3170
3171         PR middle-end/38953
3172         * graphite.c (if_region_set_false_region): After moving a region in
3173         the false branch of a condition, remove the empty dummy basic block.
3174         (gloog): Remove wrong fix for PR38953.
3175
3176 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3177
3178         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
3179         generation due to implicit sign extension.
3180
3181 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
3182
3183         PR middle-end/38981
3184         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
3185         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
3186
3187 2009-02-09  Richard Guenther  <rguenther@suse.de>
3188
3189         PR middle-end/35202
3190         * convert.c (convert_to_real): Disable (float)fn((double)x)
3191         to fnf(x) conversion if errno differences may occur and
3192         -fmath-errno is set.
3193
3194 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
3195
3196         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
3197         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3198         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3199
3200 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
3201
3202         PR c/35434
3203         * c-common.c (handle_alias_attribute): Disallow attribute for
3204         anything not a FUNCTION_DECL or VAR_DECL.
3205
3206 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
3207
3208         PR c/39035
3209         * real.c (do_compare): Special-case compare of zero against
3210         decimal float value.
3211
3212 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
3213
3214         PR c/36432
3215         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
3216         as indicating flexible array members unless the field itself is
3217         being declarared as the incomplete array.
3218
3219 2009-02-06  Jan Hubicka  <jh@suse.cz>
3220
3221         PR tree-optimization/38844
3222         * ipa-inline.c (try_inline): Stop inlining recursion when edge
3223         is already inlined.
3224
3225 2009-02-06  Richard Guenther  <rguenther@suse.de>
3226
3227         PR middle-end/38977
3228         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
3229         fork because we may expand it as __gcov_fork.
3230
3231 2009-02-06  Nick Clifton  <nickc@redhat.com>
3232
3233         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
3234
3235 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
3236
3237         PR tree-optimization/35659
3238         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
3239         vn_phi_eq): Shortcut if hashcode does not match.
3240         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
3241         NULL operands.
3242         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
3243         and avoid iterative_hash_expr.
3244         (FOR_EACH_VALUE_ID_IN_SET): New.
3245         (value_id_compare): Remove.
3246         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
3247         sort expressions by value id.
3248
3249 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
3250
3251         PR target/38991
3252         * config/sh/predicates.md (general_movsrc_operand): Don't check
3253         the subreg of system registers here.
3254
3255 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
3256
3257         PR c++/39106
3258         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
3259         on the copied decl.
3260
3261 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
3262
3263         PR rtl-optimization/39110
3264         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
3265         addresses, not aligned ones.
3266
3267 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
3268             Richard Guenther  <rguenther@suse.de>
3269
3270         PR tree-optimization/39100
3271         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
3272         comment says and add edges.
3273
3274 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
3275
3276         PR c/35435
3277         * c-common.c (handle_tls_model_attribute): Ignore attribute for
3278         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
3279
3280 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
3281
3282         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3283         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3284         register_bb_in_sese, new_sese, free_sese): Moved.
3285         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3286         outermost_loop_in_scop, build_scop_iteration_domain,
3287         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3288         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3289         Use loop_in_sese_p instead of loop_in_scop_p.
3290         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
3291         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
3292         (scopdet_basic_block_info): Fix bug in scop detection.
3293         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3294         eq_loop_to_cloog_loop): Remove.
3295         (nb_loops_around_loop_in_scop, nb_loop
3296         ref_nb_loops): Moved here...
3297         * graphite.h (ref_nb_loops): ... from here.
3298         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
3299         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3300         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3301         * testsuite/gcc.dg/graphite/scop-19.c: New
3302
3303 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
3304             Hans-Peter Nilsson  <hp@axis.com>
3305
3306         PR rtl-optimization/37889
3307         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
3308         Move offset handling from PLUS to before the switch.  Use new
3309         arguments when considering SYMBOL_REFs too.
3310         (rtx_addr_can_trap_p): Pass dummy offset and size.
3311         (enum may_trap_p_flags): Remove.
3312         (may_trap_p_1): Pass size from MEM_SIZE.
3313
3314         PR rtl-optimization/38921
3315         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
3316         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
3317         * rtlanal.c (may_trap_after_code_motion_p): Delete.
3318         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
3319
3320 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
3321
3322         AVX Programming Reference (January, 2009)
3323         * config/i386/sse.md (*vpclmulqdq): New.
3324
3325 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
3326
3327         PR tree-optimization/38977
3328         PR gcov-profile/38292
3329         * calls.c (special_function_p): Disregard __builtin_ prefix.
3330
3331 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
3332
3333         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
3334         non-indexable addresses even before reload.
3335
3336 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
3337
3338         PR c/29129
3339         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
3340         as having variable size.  Do not give an error for unnamed
3341         parameters with [*] declarators.  Give a warning for type names
3342         with [*] declarators and mark them as variable size.
3343         * c-parser.c (c_parser_sizeof_expression): Do not give an error
3344         for sizeof applied to [*] type names.
3345
3346 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3347
3348         PR C++/36607
3349         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
3350
3351 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
3352
3353         * gcc.c (process_command): Update copyright notice dates.
3354         * gcov.c (print_version): Likewise.
3355         * gcov-dump.c (print_version): Likewise.
3356         * mips-tfile.c (main): Likewise.
3357         * mips-tdump.c (main): Likewise.
3358
3359 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
3360
3361         PR c/35433
3362         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
3363         for composite type involving a zero-length array type.
3364
3365 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
3366
3367         PR target/35318
3368         * function.c (match_asm_constraints_1): Skip over
3369         initial optional % in the constraint.
3370
3371         PR inline-asm/39059
3372         * c-parser.c (c_parser_postfix_expression): If fixed point is not
3373         supported, don't accept FIXED_CSTs.
3374         * c-decl.c (finish_declspecs): Error if fixed point is not supported
3375         and _Sat is used without _Fract/_Accum.  Set specs->type to
3376         integer_type_node for cts_fract/cts_accum if fixed point is not
3377         supported.
3378
3379 2009-02-02  Catherine Moore  <clm@codesourcery.com>
3380
3381         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3382
3383 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
3384
3385         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3386         (ABI_HAS_64BIT_SYMBOLS): Use it.
3387         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3388
3389 2009-02-02  Paul Brook  <paul@codesourcery.com>
3390
3391         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3392
3393 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
3394
3395         PR inline-asm/39058
3396         * recog.h (asm_operand_ok): Add constraints argument.
3397         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
3398         recurse on matching constraint.
3399         (check_asm_operands): Pass constraints as 3rd argument to
3400         asm_operand_ok.  Don't look up matching constraint here.
3401         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3402         to asm_operand_ok.
3403
3404 2009-02-02  Ben Elliston  <bje@au.ibm.com>
3405
3406         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3407         TARGET_NARROW_VOLATILE_BITFIELD macro names.
3408
3409 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3410
3411         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3412         information.  Remove some obsolete information.  Reorganize.
3413
3414         * config/pa/fptr.c: Revert license to GPL 2.
3415         * config/pa/milli64.S: Likewise.
3416
3417 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
3418
3419         PR target/38904
3420         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
3421         LIBRARY name in, instead of hard-coding it.
3422         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
3423         extra target make frag to tmake_files according to EH model.
3424         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
3425         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
3426         frags that define makefile variable EH_MODEL appropriately.
3427         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
3428         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
3429         to "-sjlj" according to type of EH configured.
3430         (LIBGCC_SONAME):  Concatenate it to shared library base name.
3431         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
3432         to "_sjlj" according to type of EH configured.
3433         (LIBGCC_SONAME):  Concatenate it to shared library base name.
3434         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
3435         (SHLIB_LINK):  Add missing semicolon to if-else construct.
3436         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
3437         string value of "pe_dll" command-line option.
3438         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
3439         (SHLIB_SONAME):  Use it when overriding t-cygming default.
3440         (SHLIB_IMPLIB):  Override t-cygming default.
3441         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
3442         string value of "pe_dll" command-line option.
3443
3444 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
3445
3446         PR target/38952
3447         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3448         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3449
3450 2009-01-31  Richard Guenther  <rguenther@suse.de>
3451
3452         PR tree-optimization/38937