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2008-08-28 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2             Andrew Pinski  <pinskia@gcc.gnu.org>
3
4         PR 18050
5         * c-common.c (verify_tree): Fix handling of ADDR_EXPR.
6
7 2008-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
8
9         * gtrh-posix.h: Fix uses of _POSIX_TIMEOUTS per the normal Posix
10         rule that a symbolic constant must be defined and >= 0 for the
11         corresponding facility to be present at compile-time.
12         * gthr-posix.c: Likewise.
13
14 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
15
16         * config/mips/mips.h (ISA_HAS_DMUL3): New macro.
17         * config/mips/mips.md (D): New mode attribute.
18         (mulsi3, muldi3): Merge it into ...
19         (mul<mode>3): ... new template.  Use _mul3 ending for 3-op
20         patterns.
21         (muldi3_mul3): New pattern.
22         (mulsi3_mult3): Rename to mulsi3_mul3.
23
24 2008-08-28  Jan Hubicka  <jh@suse.cz>
25
26         * expmed.c (store_bit_field_1): Be prepared for movstrict expander
27         to fail.
28         * predict.c (always_optimize_for_size_p): Rename to ...
29         (optimize_function_for_size): ... this one; make extern.
30         (optimize_function_for_speed_p): New.
31         (optimize_bb_for_size_p, optimize_bb_for_size_p,
32         optimize_edge_for_size_p,optimize_edge_for_size_p,
33         optimize_insn_for_size_p, optimize_insn_for_size_p): Update.
34         * basic-block.h (optimize_function_for_size_p,
35         optimize_function_for_speed_p): Declare.
36         * i386.md (optimize_size checks): Replace them by appropriate
37         predicate.
38         (standard_80387_constant_p, ix86_compute_frame_layout,
39         ix86_expand_epilogue, ix86_decompose_address,
40         print_operand, emit_i387_cw_initialization,
41         inline_memory_move_cost, ix86_pad_returns,
42         ix86_reorg): Replace optimize_size checks.
43
44 2008-08-28  Richard Sandiford  <rdsandiford@googlemail.com>
45
46         * rtl.h (simplify_subreg_regno): Declare.
47         * rtlanal.c (simplify_subreg_regno): New function, split out from...
48         * simplify-rtx.c (simplify_subreg): ...here.
49         * reload.c (find_reloads): Use simplify_subreg_regno instead of
50         subreg_offset_representable_p.
51
52 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
53
54         PR c/30949
55         * c-typeck.c (convert_for_assignment): Give a note describing what
56         was passed and what was expected.
57
58 2008-08-28  Joey Ye  <joey.ye@intel.com>
59
60         * doc/extend.texi: Document AVX built-in functions.
61         * doc/invoke.texi: Document -mavx.
62
63 2008-08-28  H.J. Lu  <hongjiu.lu@intel.com>
64             Joey Ye  <joey.ye@intel.com>
65             Xuepeng Guo  <xuepeng.guo@intel.com>
66
67         * config.gcc (extra_headers): Add gmmintrin.h for x86 and x86-64.
68
69         * config/i386/cpuid.h (bit_FMA): New.
70         (bit_XSAVE): Likewise.
71         (bit_OSXSAVE): Likewise.
72         (bit_AVX): Likewise.
73
74         * config/i386/gas.h (ASM_OUTPUT_OPCODE): Undefine before
75         define.  Use ASM_OUTPUT_AVX_PREFIX.
76
77         * config/i386/gmmintrin.h: New.
78
79         * config/i386/i386.c (x86_64_reg_class): Add X86_64_AVX_CLASS.
80         (OPTION_MASK_ISA_AVX_SET): New.
81         (OPTION_MASK_ISA_FMA_SET): Likewise.
82         (OPTION_MASK_ISA_AVX_UNSET): Likewise.
83         (OPTION_MASK_ISA_FMA_SET): Likewise.
84         (OPTION_MASK_ISA_SSE4_2_UNSET): Updated.
85         (ix86_handle_option): Handle OPT_mavx and OPT_mfma.
86         (pta_flags): Add PTA_AVX and PTA_FMA.
87         (override_options): Handle PTA_AVX and PTA_FMA.
88         (init_cumulative_args): Handle warn_avx.
89         (classify_argument): Return 0 for COImode and OImode.  Return
90         1 and X86_64_AVX_CLASS for 256bit vector types.
91         (examine_argument): Handle X86_64_AVX_CLASS.
92         (construct_container): Likewise.
93         (function_arg_advance_32): Pass OImode and 256bit vector types
94         in AVX register.
95         (function_arg_advance_64): Take a new argument to indicate if a
96         parameter is named.  Handle 256bit vector types.  Return
97         immediately for unnamed 256bit vector mode parameters.
98         (function_arg_advance): Updated.
99         (function_arg_32): Add comments for TImode.  Handle OImode
100         and 256bit vector types.
101         (function_arg_64): Take a new argument to indicate if a
102         parameter is named.  Handle 256bit vector types.  Return NULL
103         for unnamed 256bit vector mode parameters.
104         (function_arg): Updated.
105         (setup_incoming_varargs_64): Support
106         AVX encoding for *sse_prologue_save_insn.
107         (ix86_gimplify_va_arg): Handle 256bit vector mode parameters.
108         (standard_sse_constant_p): Return -2 for all 1s if SSE2 isn't
109         enabled.  For all 1s in 256bit vector modes, return 3 if AVX is
110         enabled, otherwise return -3.
111         (standard_sse_constant_opcode): Handle AVX and 256bit vector
112         modes.
113         (print_reg): Support AVX registers.  Handle 'x' and 't'.
114         Handle 'd' to duplicate the operand.
115         (print_operand): Likewise.  Also support AVX vector compare
116         instructions.
117         (output_387_binary_op): Support AVX.
118         (output_fp_compare): Likewise.
119         (ix86_expand_vector_move_misalign): Likewise.
120         (ix86_attr_length_vex_default): New.
121         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
122         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
123         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
124         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
125         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_BLENDPD256,
126         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
127         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DIVPD256,
128         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_DPPS256,
129         IX86_BUILTIN_HADDPD256, IX86_BUILTIN_HADDPS256,
130         IX86_BUILTIN_HSUBPD256, IX86_BUILTIN_HSUBPS256,
131         IX86_BUILTIN_MAXPD256, IX86_BUILTIN_MAXPS256,
132         IX86_BUILTIN_MINPD256, IX86_BUILTIN_MINPS256,
133         IX86_BUILTIN_MULPD256, IX86_BUILTIN_MULPS256,
134         IX86_BUILTIN_ORPD256, IX86_BUILTIN_ORPS256,
135         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
136         IX86_BUILTIN_SUBPD256, IX86_BUILTIN_SUBPS256,
137         IX86_BUILTIN_XORPD256, IX86_BUILTIN_XORPS256,
138         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
139         IX86_BUILTIN_CMPPS, IX86_BUILTIN_CMPPD256,
140         IX86_BUILTIN_CMPPS256, IX86_BUILTIN_CVTDQ2PD256,
141         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
142         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
143         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
144         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_EXTRACTF128PD256,
145         IX86_BUILTIN_EXTRACTF128PS256, IX86_BUILTIN_EXTRACTF128SI256,
146         IX86_BUILTIN_VZEROALL, IX86_BUILTIN_VZEROUPPER,
147         IX86_BUILTIN_VZEROUPPER_REX64, IX86_BUILTIN_VPERMILVARPD,
148         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
149         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_VPERMILPD,
150         IX86_BUILTIN_VPERMILPS, IX86_BUILTIN_VPERMILPD256,
151         IX86_BUILTIN_VPERMILPS256, IX86_BUILTIN_VPERMIL2PD,
152         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256,
153         IX86_BUILTIN_VPERMIL2PS256, IX86_BUILTIN_VPERM2F128PD256,
154         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
155         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
156         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
157         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_VINSERTF128PD256,
158         IX86_BUILTIN_VINSERTF128PS256, IX86_BUILTIN_VINSERTF128SI256,
159         IX86_BUILTIN_LOADUPD256, IX86_BUILTIN_LOADUPS256,
160         IX86_BUILTIN_STOREUPD256, IX86_BUILTIN_STOREUPS256,
161         IX86_BUILTIN_LDDQU256, IX86_BUILTIN_LOADDQU256,
162         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_MASKLOADPD,
163         IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKSTOREPD,
164         IX86_BUILTIN_MASKSTOREPS, IX86_BUILTIN_MASKLOADPD256,
165         IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKSTOREPD256,
166         IX86_BUILTIN_MASKSTOREPS256, IX86_BUILTIN_MOVSHDUP256,
167         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
168         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
169         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
170         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
171         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
172         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
173         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
174         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
175         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
176         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
177         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
178         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
179         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
180         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
181         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
182         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
183         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
184         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256
185         and IX86_BUILTIN_MOVMSKPS256,
186         (ix86_special_builtin_type): Add V32QI_FTYPE_PCCHAR,
187         V8SF_FTYPE_PCV4SF, V8SF_FTYPE_PCFLOAT, V4DF_FTYPE_PCV2DF,
188         V4DF_FTYPE_PCDOUBLE, V8SF_FTYPE_PCV8SF_V8SF,
189         V4DF_FTYPE_PCV4DF_V4DF, V4SF_FTYPE_PCV4SF_V4SF,
190         V2DF_FTYPE_PCV2DF_V2DF, VOID_FTYPE_PCHAR_V32QI,
191         VOID_FTYPE_PFLOAT_V8SF, VOID_FTYPE_PDOUBLE_V4DF,
192         VOID_FTYPE_PV8SF_V8SF_V8SF, VOID_FTYPE_PV4DF_V4DF_V4DF,
193         VOID_FTYPE_PV4SF_V4SF_V4SF and VOID_FTYPE_PV2DF_V2DF_V2DF,
194         (ix86_builtin_type): Add INT_FTYPE_V8SF_V8SF_PTEST,
195         INT_FTYPE_V4DI_V4DI_PTEST, INT_FTYPE_V4DF_V4DF_PTEST,
196         INT_FTYPE_V4SF_V4SF_PTEST, INT_FTYPE_V2DF_V2DF_PTEST,
197         INT_FTYPE_V8SF, INT_FTYPE_V4DF, V8SI_FTYPE_V8SF, V8SI_FTYPE_V4SI,
198         V8SF_FTYPE_V8SF, V8SF_FTYPE_V8SI, V8SF_FTYPE_V4SF,
199         V4SI_FTYPE_V8SI, V4SI_FTYPE_V4DF, V4DF_FTYPE_V4DF,
200         V4DF_FTYPE_V4SI, V4DF_FTYPE_V4SF, V4DF_FTYPE_V2DF,
201         V4SF_FTYPE_V4DF, V4SF_FTYPE_V8SF, V2DF_FTYPE_V4DF,
202         V8SF_FTYPE_V8SF_V8SF, V8SF_FTYPE_V8SF_V8SI,
203         V4DF_FTYPE_V4DF_V4DF, V4DF_FTYPE_V4DF_V4DI,
204         V4SF_FTYPE_V4SF_V4SI, V2DF_FTYPE_V2DF_V2DI,
205         V8SF_FTYPE_V8SF_INT, V4SI_FTYPE_V8SI_INT, V4SF_FTYPE_V8SF_INT,
206         V2DF_FTYPE_V4DF_INT, V4DF_FTYPE_V4DF_INT,
207         V8SF_FTYPE_V8SF_V8SF_V8SF, V4DF_FTYPE_V4DF_V4DF_V4DF,
208         V8SI_FTYPE_V8SI_V8SI_INT, V8SF_FTYPE_V8SF_V8SF_INT,
209         V4DF_FTYPE_V4DF_V4DF_INT, V4DF_FTYPE_V4DF_V2DF_INT,
210         V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT,
211         V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
212         (bdesc_special_args): Add IX86_BUILTIN_VZEROALL,
213         IX86_BUILTIN_VZEROUPPER. IX86_BUILTIN_VZEROUPPER_REX64,
214         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
215         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
216         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_LOADUPD256,
217         IX86_BUILTIN_LOADUPS256, IX86_BUILTIN_STOREUPD256,
218         IX86_BUILTIN_STOREUPS256, IX86_BUILTIN_LOADDQU256,
219         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_LDDQU256,
220         IX86_BUILTIN_MASKLOADPD, IX86_BUILTIN_MASKLOADPS,
221         IX86_BUILTIN_MASKLOADPD256, IX86_BUILTIN_MASKLOADPS256,
222         IX86_BUILTIN_MASKSTOREPD, IX86_BUILTIN_MASKSTOREPS,
223         IX86_BUILTIN_MASKSTOREPD256 and IX86_BUILTIN_MASKSTOREPS256.
224         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
225         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
226         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
227         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
228         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_DIVPD256,
229         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_HADDPD256,
230         IX86_BUILTIN_HSUBPS256, IX86_BUILTIN_HSUBPD256,
231         IX86_BUILTIN_HADDPS256, IX86_BUILTIN_MAXPD256,
232         IX86_BUILTIN_MAXPS256, IX86_BUILTIN_MINPD256,
233         IX86_BUILTIN_MINPS256, IX86_BUILTIN_MULPD256,
234         IX86_BUILTIN_MULPS256, IX86_BUILTIN_ORPD256,
235         IX86_BUILTIN_ORPS256, IX86_BUILTIN_SUBPD256,
236         IX86_BUILTIN_SUBPS256, IX86_BUILTIN_XORPD256,
237         IX86_BUILTIN_XORPS256, IX86_BUILTIN_VPERMILVARPD,
238         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
239         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_BLENDPD256,
240         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
241         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DPPS256,
242         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
243         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
244         IX86_BUILTIN_CMPPS,
245         IX86_BUILTIN_CMPPD256,IX86_BUILTIN_CMPPS256,
246         IX86_BUILTIN_EXTRACTF128PD256, IX86_BUILTIN_EXTRACTF128PS256,
247         IX86_BUILTIN_EXTRACTF128SI256, IX86_BUILTIN_CVTDQ2PD256,
248         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
249         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
250         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
251         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_VPERM2F128PD256,
252         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
253         IX86_BUILTIN_VPERMILPD, IX86_BUILTIN_VPERMILPS,
254         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
255         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMILPS,
256         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
257         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
258         IX86_BUILTIN_VPERMIL2PD256, IX86_BUILTIN_VPERMIL2PS256,
259         IX86_BUILTIN_VINSERTF128PD256, IX86_BUILTIN_VINSERTF128PS256,
260         IX86_BUILTIN_VINSERTF128SI256, IX86_BUILTIN_MOVSHDUP256,
261         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
262         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
263         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
264         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
265         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
266         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
267         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
268         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
269         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
270         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
271         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
272         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
273         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
274         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
275         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
276         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
277         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
278         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 and
279         IX86_BUILTIN_MOVMSKPS256.
280         (ix86_init_mmx_sse_builtins): Support AVX builtins.
281         (ix86_expand_args_builtin): Likewise.
282         (ix86_expand_special_args_builtin): Likewise.
283         (ix86_hard_regno_mode_ok): Handle AVX modes.
284         (ix86_expand_vector_init_duplicate): Likewise.
285         (ix86_expand_vector_init_one_nonzero): Likewise.
286         (ix86_expand_vector_init_one_var): Likewise.
287         (ix86_expand_vector_init_concat): Likewise.
288         (ix86_expand_vector_init_general): Likewise.
289         (ix86_expand_vector_set): Likewise.
290         (ix86_vector_mode_supported_p): Likewise.
291         (x86_extended_reg_mentioned_p): Check INSN_P before using
292         PATTERN.
293
294         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
295         OPTION_MASK_ISA_AVX and OPTION_MASK_ISA_FMA.
296
297         * config/i386/i386.h (TARGET_AVX): New.
298         (TARGET_FMA): Likewise.
299         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AVX and TARGET_FMA.
300         (BIGGEST_ALIGNMENT): Set to 256 for TARGET_AVX.
301         (VALID_AVX256_REG_MODE): New.
302         (AVX256_VEC_FLOAT_MODE_P): Likewise.
303         (AVX_FLOAT_MODE_P): Likewise.
304         (AVX128_VEC_FLOAT_MODE_P): Likewise.
305         (AVX256_VEC_FLOAT_MODE_P): Likewise.
306         (AVX_VEC_FLOAT_MODE_P): Likewise.
307         (ASM_OUTPUT_AVX_PREFIX): Likewise.
308         (ASM_OUTPUT_OPCODE): Likewise.
309         (UNITS_PER_SIMD_WORD): Add a FIXME for 32byte vectorizer
310         support.
311         (SSE_REG_MODE_P): Allow 256bit vector modes.
312         (ix86_args): Add a warn_avx field.
313
314         * config/i386/i386.md (UNSPEC_PCMP): New.
315         (UNSPEC_VPERMIL): Likewise.
316         (UNSPEC_VPERMIL2): Likewise.
317         (UNSPEC_VPERMIL2F128): Likewise.
318         (UNSPEC_MASKLOAD): Likewise.
319         (UNSPEC_MASKSTORE): Likewise.
320         (UNSPEC_CAST): Likewise.
321         (UNSPEC_VTESTP): Likewise.
322         (UNSPECV_VZEROALL): Likewise.
323         (UNSPECV_VZEROUPPER): Likewise.
324         (XMM0_REG): Likewise.
325         (XMM1_REG): Likewise.
326         (XMM2_REG): Likewise.
327         (XMM3_REG): Likewise.
328         (XMM4_REG): Likewise.
329         (XMM5_REG): Likewise.
330         (XMM6_REG): Likewise.
331         (XMM8_REG): Likewise.
332         (XMM9_REG): Likewise.
333         (XMM10_REG): Likewise.
334         (XMM11_REG): Likewise.
335         (XMM12_REG): Likewise.
336         (XMM13_REG): Likewise.
337         (XMM14_REG): Likewise.
338         (XMM15_REG): Likewise.
339         (prefix): Likewise.
340         (prefix_vex_imm8): Likewise.
341         (prefix_vex_w): Likewise.
342         (length_vex): Likewise.
343         (maxmin): Likewise.
344         (movoi): Likewise.
345         (*avx_ashlti3): Likewise.
346         (*avx_lshrti3): Likewise.
347         (*avx_setcc<mode>): Likewise.
348         (*fop_<mode>_comm_mixed_avx): Likewise.
349         (*fop_<mode>_comm_avx): Likewise.
350         (*fop_<mode>_1_mixed_avx): Likewise.
351         (*fop_<mode>_1_avx): Likewise.
352         (*avx_<code><mode>3): Likewise.
353         (*avx_ieee_smin<mode>3): Likewise.
354         (*avx_ieee_smax<mode>3): Likewise.
355         (mode): Add OI, V8SF and V4DF.
356         (length): Support VEX prefix.
357         (*cmpfp_i_mixed): Set prefix attribute.
358         (*cmpfp_i_sse): Likewise.
359         (*cmpfp_iu_mixed): Likewise.
360         (*cmpfp_iu_sse): Likewise.
361         (*movsi_1): Support AVX.
362         (*movdi_2): Likewise.
363         (*movdi_1_rex64): Likewise.
364         (*movti_internal): Likewise.
365         (*movti_rex64): Likewise.
366         (*movsf_1): Likewise.
367         (*movdf_nointeger): Likewise.
368         (*movdf_integer_rex64): Likewise.
369         (*movtf_internal): Likewise.
370         (zero_extendsidi2_32): Likewise.
371         (zero_extendsidi2_rex64): Likewise.
372         (*extendsfdf2_mixed): Likewise.
373         (*extendsfdf2_sse): Likewise.
374         (*truncdfsf_fast_mixed): Likewise.
375         (*truncdfsf_fast_sse): Likewise.
376         (*truncdfsf_mixed): Likewise.
377         (fix_trunc<mode>di_sse): Likewise.
378         (fix_trunc<mode>si_sse): Likewise.
379         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
380         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
381         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
382         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
383         (*rcpsf2_sse): Likewise.
384         (*rsqrtsf2_sse): Likewise.
385         (*sqrt<mode>2_sse): Likewise.
386         (sse4_1_round<mode>2): Likewise.
387         (*sse_prologue_save_insn): Disallow REX prefix for AVX.
388         Support AVX.  Set length attribute properly for AVX.
389
390         * config/i386/i386-modes.def (VECTOR_MODES (INT, 32)): New.
391         (VECTOR_MODES (FLOAT, 32)): Likewise.
392         (VECTOR_MODE (INT, DI, 8)): Likewise.
393         (VECTOR_MODE (INT, HI, 32)): Likewise.
394         (VECTOR_MODE (INT, QI, 64)): Likewise.
395         (VECTOR_MODE (FLOAT, DF, 8)): Likewise.
396         (VECTOR_MODE (FLOAT, SF, 16)): Likewise.
397         (VECTOR_MODE (INT, DI, 4)): Removed.
398         (VECTOR_MODE (INT, SI, 8)): Likewise.
399         (VECTOR_MODE (INT, HI, 16)): Likewise.
400         (VECTOR_MODE (INT, QI, 32)): Likewise.
401         (VECTOR_MODE (FLOAT, SF, 8)): Likewise.
402         (INT_MODE (OI, 32)): Likewise.
403
404         * config/i386/i386.opt (mavx): New.
405         (mfma): Likewise.
406
407         * config/i386/i386-protos.h (ix86_attr_length_vex_default): New.
408
409         * config/i386/mmx.md (*mov<mode>_internal_rex64): Support AVX.
410         (*mov<mode>_internal_avx): New.
411         (*movv2sf_internal_rex64_avx): Likewise.
412         (*movv2sf_internal_avx): Likewise.
413
414         * config/i386/predicates.md (const_4_to_5_operand): New.
415         (const_6_to_7_operand): Likewise.
416         (const_8_to_11_operand): Likewise.
417         (const_12_to_15_operand): Likewise.
418         (avx_comparison_float_operator): Likewise.
419
420         * config/i386/sse.md (AVX256MODEI): New.
421         (AVX256MODE): Likewise.
422         (AVXMODEQI): Likewise.
423         (AVXMODE): Likewise.
424         (AVX256MODEF2P): Likewise.
425         (AVX256MODE2P): Likewise.
426         (AVX256MODE4P): Likewise.
427         (AVX256MODE8P): Likewise.
428         (AVXMODEF2P): Likewise.
429         (AVXMODEF4P): Likewise.
430         (AVXMODEDCVTDQ2PS): Likewise.
431         (AVXMODEDCVTPS2DQ): Likewise.
432         (avxvecmode): Likewise.
433         (avxvecpsmode): Likewise.
434         (avxhalfvecmode): Likewise.
435         (avxscalarmode): Likewise.
436         (avxcvtvecmode): Likewise.
437         (avxpermvecmode): Likewise.
438         (avxmodesuffixf2c): Likewise.
439         (avxmodesuffixp): Likewise.
440         (avxmodesuffixs): Likewise.
441         (avxmodesuffix): Likewise.
442         (vpermilbits): Likewise.
443         (pinsrbits): Likewise.
444         (mov<mode>): Likewise.
445         (*mov<mode>_internal): Likewise.
446         (push<mode>1): Likewise.
447         (movmisalign<mode>): Likewise.
448         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Likewise.
449         (avx_movdqu<avxmodesuffix>): Likewise.
450         (avx_lddqu<avxmodesuffix>): Likewise.
451         (<plusminus_insn><mode>3): Likewise.
452         (*avx_<plusminus_insn><mode>3): Likewise.
453         (*avx_vm<plusminus_insn><mode>3): Likewise.
454         (mul<mode>3): Likewise.
455         (*avx_mul<mode>3): Likewise.
456         (*avx_vmmul<mode>3): Likewise.
457         (divv8sf3): Likewise.
458         (divv4df3): Likewise.
459         (avx_div<mode>3): Likewise.
460         (*avx_div<mode>3): Likewise.
461         (*avx_vmdiv<mode>3): Likewise.
462         (avx_rcpv8sf2): Likewise.
463         (*avx_vmrcpv4sf2): Likewise.
464         (sqrtv8sf2): Likewise.
465         (avx_sqrtv8sf2): Likewise.
466         (*avx_vmsqrt<mode>2): Likewise.
467         (rsqrtv8sf2): Likewise.
468         (avx_rsqrtv8sf2): Likewise.
469         (*avx_vmrsqrtv4sf2): Likewise.
470         (<code><mode>3): Likewise.
471         (*avx_<code><mode>3_finite): Likewise.
472         (*avx_<code><mode>3): Likewise.
473         (*avx_vm<code><mode>3): Likewise.
474         (*avx_ieee_smin<mode>3): Likewise.
475         (*avx_ieee_smax<mode>3): Likewise.
476         (avx_addsubv8sf3): Likewise.
477         (avx_addsubv4df3): Likewise.
478         (*avx_addsubv4sf3): Likewise.
479         (*avx_addsubv2df3): Likewise.
480         (avx_h<plusminus_insn>v4df3): Likewise.
481         (avx_h<plusminus_insn>v8sf3): Likewise.
482         (*avx_h<plusminus_insn>v4sf3): Likewise.
483         (*avx_h<plusminus_insn>v2df3): Likewise.
484         (avx_cmpp<avxmodesuffixf2c><mode>3): Likewise.
485         (avx_cmps<ssemodesuffixf2c><mode>3): Likewise.
486         (*avx_maskcmp<mode>3): Likewise.
487         (avx_nand<mode>3): Likewise.
488         (*avx_<code><mode>3): Likewise.
489         (*avx_nand<mode>3): Likewise.
490         (*avx_<code><mode>3): Likewise.
491         (*avx_cvtsi2ss): Likewise.
492         (*avx_cvtsi2ssq): Likewise.
493         (*avx_cvtsi2sd): Likewise.
494         (*avx_cvtsi2sdq): Likewise.
495         (*avx_cvtsd2ss): Likewise.
496         (avx_cvtss2sd): Likewise.
497         (avx_cvtdq2ps<avxmodesuffix>): Likewise.
498         (avx_cvtps2dq<avxmodesuffix>): Likewise.
499         (avx_cvttps2dq<avxmodesuffix>): Likewise.
500         (*avx_cvtsi2sd): Likewise.
501         (*avx_cvtsi2sdq): Likewise.
502         (avx_cvtdq2pd256): Likewise.
503         (avx_cvtpd2dq256): Likewise.
504         (avx_cvttpd2dq256): Likewise.
505         (*avx_cvtsd2ss): Likewise.
506         (*avx_cvtss2sd): Likewise.
507         (avx_cvtpd2ps256): Likewise.
508         (avx_cvtps2pd256): Likewise.
509         (*avx_movhlps): Likewise.
510         (*avx_movlhps): Likewise.
511         (avx_unpckhps256): Likewise.
512         (*avx_unpckhps): Likewise.
513         (avx_unpcklps256): Likewise.
514         (*avx_unpcklps): Likewise.
515         (avx_movshdup256): Likewise.
516         (avx_movsldup256): Likewise.
517         (avx_shufps256): Likewise.
518         (avx_shufps256_1): Likewise.
519         (*avx_shufps_<mode>): Likewise.
520         (*avx_loadhps): Likewise.
521         (*avx_storelps): Likewise.
522         (*avx_loadlps): Likewise.
523         (*avx_movss): Likewise.
524         (*vec_dupv4sf_avx): Likewise.
525         (*vec_concatv2sf_avx): Likewise.
526         (*vec_concatv4sf_avx): Likewise.
527         (*vec_setv4sf_0_avx): Likewise.
528         (*vec_setv4sf_avx): Likewise.
529         (*avx_insertps): Likewise.
530         (avx_vextractf128<mode>): Likewise.
531         (vec_extract_lo_<mode>): Likewise.
532         (vec_extract_hi_<mode>): Likewise.
533         (vec_extract_lo_<mode>): Likewise.
534         (vec_extract_hi_<mode>): Likewise.
535         (vec_extract_lo_v16hi): Likewise.
536         (vec_extract_hi_v16hi): Likewise.
537         (vec_extract_lo_v32qi): Likewise.
538         (vec_extract_hi_v32qi): Likewise.
539         (avx_unpckhpd256): Likewise.
540         (*avx_unpckhpd): Likewise.
541         (avx_movddup256): Likewise.
542         (*avx_movddup): Likewise.
543         (avx_unpcklpd256): Likewise.
544         (*avx_unpcklpd): Likewise.
545         (avx_shufpd256): Likewise.
546         (avx_shufpd256_1): Likewise.
547         (*avx_punpckhqdq): Likewise.
548         (*avx_punpcklqdq): Likewise.
549         (*avx_shufpd_<mode>): Likewise.
550         (*avx_storehpd): Likewise.
551         (*avx_loadhpd): Likewise.
552         (*avx_loadlpd): Likewise.
553         (*avx_movsd): Likewise.
554         (*vec_concatv2df_avx): Likewise.
555         (*avx_<plusminus_insn><mode>3): Likewise.
556         (*avx_<plusminus_insn><mode>3): Likewise.
557         (*avx_mulv8hi3): Likewise.
558         (*avxv8hi3_highpart): Likewise.
559         (*avx_umulv8hi3_highpart): Likewise.
560         (*avx_umulv2siv2di3): Likewise.
561         (*avx_mulv2siv2di3): Likewise.
562         (*avx_pmaddwd): Likewise.
563         (*avx_mulv4si3): Likewise.
564         (*avx_ashr<mode>3): Likewise.
565         (*avx_lshr<mode>3): Likewise.
566         (*avx_ashl<mode>3): Likewise.
567         (*avx_<code><mode>3): Likewise.
568         (*avx_eq<mode>3): Likewise.
569         (*avx_gt<mode>3): Likewise.
570         (*avx_nand<mode>3): Likewise.
571         (*avx_nand<mode>3): Likewise.
572         (*avx_<code><mode>3): Likewise.
573         (*avx_<code><mode>3): Likewise.
574         (*avx_packsswb): Likewise.
575         (*avx_packssdw): Likewise.
576         (*avx_packuswb): Likewise.
577         (*avx_punpckhbw): Likewise.
578         (*avx_punpcklbw): Likewise.
579         (*avx_punpckhwd): Likewise.
580         (*avx_punpcklwd): Likewise.
581         (*avx_punpckhdq): Likewise.
582         (*avx_punpckldq): Likewise.
583         (*avx_pinsr<avxmodesuffixs>): Likewise.
584         (*avx_pinsrq): Likewise.
585         (*avx_loadld): Likewise.
586         (*vec_extractv2di_1_rex64_avx): Likewise.
587         (*vec_extractv2di_1_avx): Likewise.
588         (*vec_dupv2di_avx): Likewise.
589         (*vec_concatv2si_avx): Likewise.
590         (*vec_concatv4si_1_avx): Likewise.
591         (*vec_concatv2di_avx): Likewise.
592         (*vec_concatv2di_rex64_avx): Likewise.
593         (*avx_uavgv16qi3): Likewise.
594         (*avx_uavgv8hi3): Likewise.
595         (*avx_psadbw): Likewise.
596         (avx_movmskp<avxmodesuffixf2c>256): Likewise.
597         (*avx_phaddwv8hi3): Likewise.
598         (*avx_phadddv4si3): Likewise.
599         (*avx_phaddswv8hi3): Likewise.
600         (*avx_phsubwv8hi3): Likewise.
601         (*avx_phsubdv4si3): Likewise.
602         (*avx_phsubswv8hi3): Likewise.
603         (*avx_pmaddubsw128): Likewise.
604         (*avx_pmulhrswv8hi3): Likewise.
605         (*avx_pshufbv16qi3): Likewise.
606         (*avx_psign<mode>3): Likewise.
607         (*avx_palignrti): Likewise.
608         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
609         (avx_blendvp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
610         (avx_dpp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
611         (*avx_mpsadbw): Likewise.
612         (*avx_packusdw): Likewise.
613         (*avx_pblendvb): Likewise.
614         (*avx_pblendw): Likewise.
615         (avx_vtestp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
616         (avx_ptest256): Likewise.
617         (avx_roundp<avxmodesuffixf2c>256): Likewise.
618         (*avx_rounds<ssemodesuffixf2c>): Likewise.
619         (*avx_aesenc): Likewise.
620         (*avx_aesenclast): Likewise.
621         (*avx_aesdec): Likewise.
622         (*avx_aesdeclast): Likewise.
623         (avx_vzeroupper): Likewise.
624         (avx_vzeroupper_rex64): Likewise.
625         (avx_vpermil<mode>): Likewise.
626         (avx_vpermilvar<mode>3): Likewise.
627         (avx_vpermil2<mode>3): Likewise.
628         (avx_vperm2f128<mode>3): Likewise.
629         (avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>): Likewise.
630         (avx_vbroadcastss256): Likewise.
631         (avx_vbroadcastf128_p<avxmodesuffixf2c>256): Likewise.
632         (avx_vinsertf128<mode>): Likewise.
633         (vec_set_lo_<mode>): Likewise.
634         (vec_set_hi_<mode>): Likewise.
635         (vec_set_lo_<mode>): Likewise.
636         (vec_set_hi_<mode>): Likewise.
637         (vec_set_lo_v16hi): Likewise.
638         (vec_set_hi_v16hi): Likewise.
639         (vec_set_lo_v32qi): Likewise.
640         (vec_set_hi_v32qi): Likewise.
641         (avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
642         (avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>): Likewise.
643         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
644         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Likewise.
645         (vec_init<mode>): Likewise.
646         (*vec_concat<mode>_avx): Likewise.
647         (blendbits): Support V8SF and V4DF.
648         (sse2_movq128): Support AVX.
649         (<sse>_movnt<mode>): Likewise.
650         (sse2_movntv2di): Likewise.
651         (sse_rcpv4sf2): Likewise.
652         (sse_sqrtv4sf2): Likewise.
653         (sse_rsqrtv4sf2): Likewise.
654         (<sse>_comi): Likewise.
655         (<sse>_ucomi): Likewise.
656         (sse_cvtss2si): Likewise.
657         (sse_cvtss2si_2): Likewise.
658         (sse_cvtss2siq): Likewise.
659         (sse_cvtss2siq_2): Likewise.
660         (sse_cvttss2si): Likewise.
661         (sse_cvttss2siq): Likewise.
662         (sse2_cvtsd2si): Likewise.
663         (sse2_cvtsd2si_2): Likewise.
664         (sse2_cvtsd2siq): Likewise.
665         (sse2_cvtsd2siq_2): Likewise.
666         (sse2_cvttsd2si): Likewise.
667         (sse2_cvttsd2siq): Likewise.
668         (sse2_cvtdq2pd): Likewise.
669         (*sse2_cvtpd2dq): Likewise.
670         (*sse2_cvttpd2dq): Likewise.
671         (*sse2_cvtpd2ps): Likewise.
672         (sse2_cvtps2pd): Likewise.
673         (sse3_movshdup): Likewise.
674         (sse3_movsldup): Likewise.
675         (sse_storehps): Likewise.
676         (*sse4_1_extractps): Likewise.
677         (sse2_storelpd): Likewise.
678         (vec_dupv2df_sse3): Likewise.
679         (*vec_concatv2df_sse3): Likewise.
680         (*sse4_1_pextrb): Likewise.
681         (*sse4_1_pextrb_memory): Likewise.
682         (*sse2_pextrw): Likewise.
683         (*sse4_1_pextrw_memory): Likewise.
684         (*sse4_1_pextrd): Likewise.
685         (*sse4_1_pextrq): Likewise.
686         (sse2_pshufd_1): Likewise.
687         (sse2_pshuflw_1): Likewise.
688         (sse2_pshufhw_1): Likewise.
689         (*sse2_storeq_rex64): Likewise.
690         (*vec_dupv4si): Likewise.
691         (<sse>_movmskp<ssemodesuffixf2c>): Likewise.
692         (sse2_pmovmskb): Likewise.
693         (*sse2_maskmovdqu): Likewise.
694         (*sse2_maskmovdqu_rex64): Likewise.
695         (sse_ldmxcsr): Likewise.
696         (sse_stmxcsr): Likewise.
697         (abs<mode>2): Likewise.
698         (sse4_1_movntdqa): Likewise.
699         (sse4_1_phminposuw): Likewise.
700         (sse4_1_extendv8qiv8hi2): Likewise.
701         (*sse4_1_extendv8qiv8hi2): Likewise.
702         (sse4_1_extendv4qiv4si2): Likewise.
703         (*sse4_1_extendv4qiv4si2): Likewise.
704         (sse4_1_extendv2qiv2di2): Likewise.
705         (*sse4_1_extendv2qiv2di2): Likewise.
706         (sse4_1_extendv4hiv4si2): Likewise.
707         (*sse4_1_extendv4hiv4si2): Likewise.
708         (sse4_1_extendv2hiv2di2): Likewise.
709         (*sse4_1_extendv2hiv2di2): Likewise.
710         (sse4_1_extendv2siv2di2): Likewise.
711         (*sse4_1_extendv2siv2di2): Likewise.
712         (sse4_1_zero_extendv8qiv8hi2): Likewise.
713         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
714         (sse4_1_zero_extendv4qiv4si2): Likewise.
715         (*sse4_1_zero_extendv4qiv4si2): Likewise.
716         (sse4_1_zero_extendv2qiv2di2): Likewise.
717         (*sse4_1_zero_extendv2qiv2di2): Likewise.
718         (sse4_1_zero_extendv4hiv4si2): Likewise.
719         (*sse4_1_zero_extendv4hiv4si2): Likewise.
720         (sse4_1_zero_extendv2hiv2di2): Likewise.
721         (*sse4_1_zero_extendv2hiv2di2): Likewise.
722         (sse4_1_zero_extendv2siv2di2): Likewise.
723         (*sse4_1_zero_extendv2siv2di2): Likewise.
724         (sse4_1_ptest): Likewise.
725         (sse4_1_roundp<ssemodesuffixf2c>): Likewise.
726         (sse4_2_pcmpestri): Likewise.
727         (sse4_2_pcmpestrm): Likewise.
728         (sse4_2_pcmpistri): Likewise.
729         (sse4_2_pcmpistrm): Likewise.
730         (aesimc): Likewise.
731         (aeskeygenassist): Likewise.
732
733 2008-08-28  Uros Bizjak  <ubizjak@gmail.com>
734
735         * config/i386/predicates.md (vzeroall_operation): New.
736
737         * config/i386/sse.md (avx_vzeroall): New.
738         (*avx_vzeroall): Likewise.
739
740 2008-08-28  Paul Brook  <paul@codesourcery.com>
741             Mark Shinwell  <shinwell@codesourcery.com>
742             Richard Earnshaw  <richard.earnshaw@arm.com>
743
744         * config/arm/arm.c (TARGET_MAX_ANCHOR_OFFSET): New.
745         (TARGET_MIN_ANCHOR_OFFSET): New.
746         (arm_override_options): Set correct anchor ranges for Thumb-1
747         and Thumb-2 if required.
748         (legitimize_pic_address): Handle case involving a TLS symbol
749         reference with an addend.
750         (arm_optimization_options): Enable section anchors at -O1 and
751         above.
752         * config/arm/arm.h (OPTIMIZATION_OPTIONS): New.
753         * config/arm/arm-protos.h (arm_optimization_options): New.
754
755 2008-08-28  Nick Clifton  <nickc@redhat.com>
756
757         * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Define.
758         * config/stormy16/stormy16.md (zero_extendqihi2): Fix length
759         attribute.
760
761         * config/v850/v850.h (IRA_COVER_CLASSES): Define.
762         * config/v850/v850.md (return): Remove frame size restriction.  
763
764         * config/mcore/mcore.h (IRA_COVER_CLASSES): Define.
765
766         * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Define.
767
768         * config/fr30/fr30.h (IRA_COVER_CLASSES): Define.
769
770         * config/m32r/m32r.h (IRA_COVER_CLASSES): Define.
771
772 2008-08-28  Paul Brook  <paul@codesourcery.com>
773
774         * config/arm/vfp11.md: Update license notice.
775         * config/arm/cortex-r4.md: Ditto.
776
777 2008-08-28  Richard Guenther  <rguenther@suse.de>
778
779         PR tree-optimization/37207
780         * tree-ssa-ifcombine.c (recognize_single_bit_test): Fix
781         tuplification bug.
782
783 2008-08-28  Dodji Seketeli  <dodji@redhat.com>
784
785         PR c++/36741
786         * tree.c (int_fits_type_p): Don't forget unsigned integers
787           of type sizetype which higher end word equals -1.
788
789 2008-08-28  Ira Rosen  <irar@il.ibm.com>
790
791         * target.h (struct vectorize): Add new target builtin.
792         * tree-vectorizer.c (destroy_loop_vec_info): Call 
793         vect_free_slp_instance instead of vect_free_slp_node.
794         * tree-vectorizer.h (enum slp_load_perm_type): New.
795         (struct _slp_instance): Add new fields.
796         (SLP_INSTANCE_LOAD_PERMUTATION): New.
797         (SLP_INSTANCE_LOADS): New.
798         (vect_free_slp_tree): Remove.
799         (vect_free_slp_instance): Declare.        
800         (SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New.
801         (vectorizable_load): Add argument.
802         (vect_transform_slp_perm_load): New.
803         * tree-vect-analyze.c (vect_analyze_operations): Add an argument to 
804         vectorizable_load.
805         (vect_get_place_in_interleaving_chain): New function.
806         (vect_free_slp_tree): Make static.
807         (vect_free_slp_instance): New function.
808         (vect_build_slp_tree): Add new arguments. Allow load permutations and 
809         collect the load location in the interleaving chain.
810         (vect_supported_slp_permutation_p): New function.
811         (vect_supported_load_permutation_p): Likewise.
812         (vect_analyze_slp_instance): In case of loads permutation, call
813         vect_supported_load_permutation_p to check that the permutation is 
814         supported.
815         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New.
816         * tree-vect-transform.c (vect_transform_stmt): Add new argument.
817         (vect_create_mask_and_perm): New function.
818         (vect_get_mask_element, vect_transform_slp_perm_load): Likewise.
819         (vectorizable_load): Add an argument. Don't keep the created vectors  
820         statements in the node if permutation is required. Call 
821         vect_transform_slp_perm_load to generate the permutation.
822         (vect_transform_stmt): Add new argument. Call vectorizable_load with 
823         additional argument.
824         (vect_schedule_slp_instance): In case of loads permutation, allocate  
825         vectorized statements structure for all the related SLP nodes. Call 
826         vect_transform_stmt with addditional argument.
827         (vect_transform_loop): Call vect_transform_stmt with correct arguments. 
828         * config/spu/spu.c (spu_builtin_vec_perm): New. 
829         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
830         * config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define.
831         * config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New.
832         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
833
834 2008-08-28  Chris Fairles  <chris.fairles@gmail.com>
835
836         * gthr-posix.h (__gthread_create,  __gthread_join, __gthread_detach,
837         __gthread_mutex_timed_lock, __gthread_recursive_mutex_timed_lock,
838         __gthread_cond_signal, __gthread_cond_timedwait,
839         __gthread_cond_timedwait_recursive): New functions.
840         * gthr-posix.c (pthread_mutex_timedlock, pthread_cond_timedwait):
841         Likewise.
842         * gthr.h: Comment on defining __GTHREADS_CXX0X macro in conforming
843         thread interfaces.
844
845 2008-08-28  Richard Guenther  <rguenther@suse.de>
846
847         PR middle-end/37005
848         * fold-const.c (maybe_canonicalize_comparison_1): Require
849         undefined overflow only for canonicalizing A +- CST cmp CST.
850         Make sure to not generate new constants that are not inside
851         their TYPE_MIN/MAX_VALUE range.
852         (maybe_canonicalize_comparison): Remove undefined overflow
853         checking from here.
854         (fold_binary): Remove now duplicate folding.
855
856 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
857
858         * c-typeck.c (convert_for_assignment): Adjust WARN_FOR_ASSIGNMENT
859         use not updated in the last change.
860
861 2008-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
862
863         * config/sh/sh.h (REG_CLASS_CONTENTS): Drop fr32 from FPUL_REGS.
864         (IRA_COVER_CLASSES): Add FPUL_REGS.
865
866 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
867
868         PR 37217
869         * c-common.c (conversion_warning): Check for null operands.
870
871 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
872
873         PR c/31673
874         * c-decl.c (check_for_loop_decls): Improve error message. Give
875         hint.
876
877 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
878
879         PR c/37186
880         * c-typeck.c (WARN_FOR_ASSIGNMENT): Add OPT parameter.
881         (convert_for_assignment): Pass corrent OPT_W* parameter to
882         WARN_FOR_ASSIGNMENT.
883
884 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
885
886         PR c++/35321
887         * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.
888
889 2008-08-27  Paul Brook  <paul@codesourcery.com>
890
891         * config.gcc: Loosen checks for arm uclinux eabi targets.
892
893 2008-08-27  Paul Brook  <paul@codesourcery.com>
894
895         * config/arm/t-arm-coff (LIB1ASMFUNCS): Add missing undescrore on
896         _clzsi2.
897         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
898
899 2008-08-26  Douglas Gregor  <doug.gregor@gmail.com>
900
901         * c-common.c (do_switch_warnings): Look through the CONST_DECLs in
902         the enumerators of an ENUMERAL_TYPE.
903         * dbxout.c (dbxout_type): Ditto.
904
905 2008-08-26  Andrew Pinski  <andrew_pinski@playstation.sony.com>
906
907         PR rtl-opt/37219
908         * fwprop.c (fwprop): Check that the loop_father is the outer loop.
909         (fwprop_addr): Check that the loop_father is not the outer loop.
910
911 2008-08-26  Paul Brook  <paul@codesourcery.com>
912
913         * config/arm/vfp.md: Document fmul{s,d} and fmac{s,d} types.
914         Remove documentation entry for fmul type.
915         Use fmuls to annotate single-precision multiplication patterns,
916         fmuld to annotate double-precision multiplication patterns,
917         fmacs to annotate single-precision multiply-accumulate patterns
918         and fmacd to annotate double-precision multiply-accumulate patterns.
919         * config/arm/vfp11.md: Update reservations accordingly.
920         * config/arm/arm.md: Note that certain values of the "type"
921         attribute are documented in vfp.md.
922         * config/arm/arm1020e.md: Remove out of date duplicate comment.
923         (v10_cvt): Use new fmul types.
924
925 2008-08-26  Paul Brook   <paul@codesourcery.com>
926
927         * config/arm/vfp.md: Move pipeline description for VFP11 to...
928         * config/arm/vfp11.md: ...here.  New.
929         * config/arm/arm.md: Include vfp11.md.
930
931 2008-08-26  Hans-Peter Nilsson  <hp@axis.com>
932
933         * opts.c (decode_options) [!IRA_COVER_CLASSES]: Add missing
934         parameter to inform call.
935
936 2008-08-26  Jeff Law  <law@redhat.com>
937
938         * mn10300.md (movqi, movhi): Split i->d*a case into two cases to
939         avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
940         preferred class when copying a constant into a partial word register.
941
942 2008-08-26  Ben Elliston  <bje@au.ibm.com>
943
944         * rtlanal.c: Fix uses of "it's" with "its" where appropriate.
945         * cp/typeck.c: Likewise.
946         * cp/tree.c: Likewise.
947         * gimple-low.c: Likewise.
948         * jump.c: Likewise.
949
950 2008-08-26  Vladimir Makarov  <vmakarov@redhat.com>
951
952         * ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
953         ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
954
955         * doc/passes.texi: Describe IRA.
956
957         * doc/tm.texi (IRA_COVER_CLASSES,
958         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
959
960         * doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
961         (-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
962         -fira-propagate-cost, -fno-ira-share-save-slots,
963         -fno-ira-share-spill-slots, -fira-verbose): Describe new options.
964
965         * flags.h (ira_algorithm): New enumeration.
966         (flag_ira_algorithm, flag_ira_verbose): New external variable
967         declarations.
968
969         * postreload.c (gate_handle_postreload): Don't do post reload
970         optimizations unless the reload is completed.
971
972         * reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
973         IRA.
974
975         * tree-pass.h (pass_ira): New external variable declaration.
976
977         * reload.h: Add 2008 to the Copyright.
978     
979         * cfgloopanal.c: Include params.h.
980         (estimate_reg_pressure_cost): Decrease cost for IRA optimization
981         mode.
982     
983         * params.h (IRA_MAX_LOOPS_NUM): New macro.
984
985         * toplev.c (ira.h): New include.
986         (flag_ira_algorithm, flag_ira_verbose): New external variables.
987         (backend_init_target): Call ira_init.
988         (backend_init): Call ira_init_once.
989         (finalize): Call finish_ira_once.
990
991         * toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
992         flag_ira_share_save_slots, flag_ira_share_spill_slots): New
993         external variables.
994
995         * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
996         may_move_out_cost): New external variable declarations.
997         (move_table): New typedef.
998     
999         * caller-save.c: Include headers output.h and ira.h.
1000         (no_caller_save_reg_set): New global variable.
1001         (save_slots_num, save_slots): New variables.
1002         (reg_save_code, reg_restore_code, add_stored_regs): Add
1003         prototypes.
1004         (init_caller_save): Set up no_caller_save_reg_set.
1005         (init_save_areas): Reset save_slots_num.
1006         (saved_hard_reg): New structure.
1007         (hard_reg_map, saved_regs_num, all_saved_regs): New variables.
1008         (initiate_saved_hard_regs, new_saved_hard_reg,
1009         finish_saved_hard_regs, saved_hard_reg_compare_func): New
1010         functions.
1011         (setup_save_areas): Add code for sharing stack slots.
1012         (all_blocks): New variable.
1013         (save_call_clobbered_regs): Process pseudo-register too.
1014         (mark_set_regs): Process pseudo-register too.
1015         (insert_one_insn): Put the insn after bb note in a empty basic
1016         block.  Add insn check.
1017     
1018         * global.c (eliminable_regset): Make it external.
1019         (mark_elimination): Use DF_LR_IN for IRA.
1020         (pseudo_for_reload_consideration_p): New.
1021         (build_insn_chain): Make it external.  Don't ignore spilled
1022         pseudos for IRA.  Use pseudo_for_reload_consideration_p.
1023         (gate_handle_global_alloc): New function.
1024         (pass_global_alloc): Add the gate function.
1025
1026         * opts.c (decode_options): Set up flag_ira.  Print the warning for
1027         -fira.
1028         (common_handle_option): Process -fira-algorithm and -fira-verbose.
1029
1030         * timevar.def (TV_IRA, TV_RELOAD): New passes.
1031
1032         * regmove.c (regmove_optimize): Don't do replacement of output for
1033         IRA.
1034
1035         * hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
1036         New external variable declarations.
1037
1038         * local-alloc.c (update_equiv_regs): Make it external.  Return
1039         true if jump label rebuilding should be done.  Rescan new_insn for
1040         notes.
1041         (gate_handle_local_alloc): New function.
1042         (pass_local_alloc): Add the gate function.
1043
1044         * alias.c (value_addr_p, stack_addr_p): New functions.
1045         (nonoverlapping_memrefs_p): Use them for IRA.
1046
1047         * common.opt (fira, fira-algorithm, fira-coalesce,
1048         fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
1049         fira-verbose): New options.
1050
1051         * regclass.c (reg_class_subclasses, contains_reg_of_mode,
1052         move_cost, may_move_in_cost, may_move_out_cost): Make the
1053         variables external.
1054         (move_table): Remove typedef.
1055         (init_move_cost): Make it external.
1056         (allocate_reg_info, resize_reg_info, setup_reg_classes): New
1057         functions.
1058
1059         * rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
1060         setup_reg_classes): New function prototypes.
1061         (eliminable_regset): New external variable declaration.
1062         (build_insn_chain, update_equiv_regs): New function prototypes.
1063     
1064         * Makefile.in (IRA_INT_H): New definition.
1065         (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1066         ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
1067         (reload1.o, toplev.o): Add dependence on ira.h.
1068         (cfgloopanal.o): Add PARAMS_H.
1069         (caller-save.o): Add dependence on output.h and ira.h.
1070         (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1071         ira-emit.o, ira-lives.o): New entries.
1072
1073         * passes.c (pass_ira): New pass.
1074
1075         * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
1076
1077         * reload1.c (ira.h): Include the header.
1078         (changed_allocation_pseudos): New bitmap.
1079         (init_reload): Initiate the bitmap.
1080         (compute_use_by_pseudos): Permits spilled registers in FROM.
1081         (temp_pseudo_reg_arr): New variable.
1082         (reload): Allocate and free temp_pseudo_reg_arr.  Sort pseudos for
1083         IRA.  Call alter_reg with the additional parameter.  Don't clear
1084         spilled_pseudos for IRA.  Restore original insn chain for IRA.
1085         Clear changed_allocation_pseudos at the end of reload.
1086         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
1087         (hard_regno_to_pseudo_regno): New variable.
1088         (count_pseudo): Check spilled pseudos.  Set up
1089         hard_regno_to_pseudo_regno.
1090         (count_spilled_pseudo): Check spilled pseudos. Update
1091         hard_regno_to_pseudo_regno.
1092         (find_reg): Use better_spill_reload_regno_p.  Check
1093         hard_regno_to_pseudo_regno.
1094         (alter_reg): Set up spilled_pseudos.  Add a new parameter.  Add
1095         code for IRA.
1096         (eliminate_regs_1): Use additional parameter for alter_reg.
1097         (finish_spills): Set up pseudo_previous_regs only for spilled
1098         pseudos.  Call reassign_pseudos once for all spilled pseudos, pass
1099         more arguments.  Don't clear live_throughout and dead_or_set for
1100         spilled pseudos.  Use additional parameter for alter_reg.  Call
1101         mark_allocation_change.  Set up changed_allocation_pseudos.
1102         Remove sanity check.
1103         (emit_input_reload_insns, delete_output_reload): Use additional
1104         parameter for alter_reg.  Call mark_allocation_change.
1105         (substitute, gen_reload_chain_without_interm_reg_p): New
1106         functions.
1107         (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
1108     
1109         * testsuite/gcc.dg/20080410-1.c: New file.
1110         
1111         * config/s390/s390.h (IRA_COVER_CLASSES,
1112         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
1113
1114         * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1115
1116         * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1117
1118         * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1119
1120         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1121
1122         * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
1123     
1124         * config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
1125     
1126         2008-08-24  Jeff Law  <law@redhat.com>
1127         * ira.c (setup_reg_class_intersect_union): Prefer smallest class
1128         when ignoring unavailable registers.
1129
1130         2008-08-24  Jeff Law  <law@redhat.com>
1131         * ira-color.c (coalesced_pseudo_reg_slot_compare): Check
1132         FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
1133         * ira.c (setup_eliminable_regset): Check stack_realign_needed.
1134         * config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
1135
1136         2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
1137         * ira-build.c (allocno_range_compare_func): Stabilize sort.
1138
1139         2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
1140         * config/avr/avr.h (IRA_COVER_CLASSES): New macro.
1141         * reload1.c (find_reg): Process registers in register allocation order.
1142
1143         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1144         * toplev.c (backend_init_target): Move ira_init call from
1145         here...
1146         (lang_dependent_init_target): ...to here.
1147
1148         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1149         * ira.c (setup_class_subset_and_memory_move_costs): Don't
1150         calculate memory move costs for NO_REGS.
1151
1152         2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
1153         * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
1154         STACK_REGS is defined.
1155
1156         2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1157         * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
1158
1159         2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
1160         * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
1161
1162         2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
1163         * config/sh/sh.h (IRA_COVER_CLASSES): Define.
1164         * config/sh/sh.md (movsicc_true+3): Check if emit returns a
1165         barrier.
1166
1167 2008-08-26  Victor Kaplansky  <victork@il.ibm.com>
1168             Dorit Nuzman  <dorit@il.ibm.com>
1169
1170         * gcc/config/spu/spu.md (vec_extract_evenv4si,
1171         vec_extract_evenv4sf, vec_extract_evenv8hi,
1172         vec_extract_evenv16qi, vec_extract_oddv4si,
1173         vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi,
1174         vec_interleave_highv4sf, vec_interleave_lowv4sf,
1175         vec_interleave_highv4si, vec_interleave_lowv4si,
1176         vec_interleave_highv8hi, vec_interleave_lowv8hi,
1177         vec_interleave_highv16qi, vec_interleave_lowv16qi,
1178         vec_pack_trunc_v8hi, vec_pack_trunc_v4si): Implement.S
1179
1180 2008-08-25  Janis Johnson  <janis187@us.ibm.com>
1181
1182         PR target/36756
1183         * config/rs6000/rs6000.c (optimization_options): Don't default to
1184         section anchors without toplevel reorder.
1185
1186 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1187
1188         * config/spu/spu_mfcio.h (mfc_begin_critical_section): New function.
1189         (mfc_end_critical_section): Likewise.
1190
1191 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1192
1193         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Propagate
1194         all type qualifiers from element type to vector type.
1195
1196 2008-08-25  David Daney  <ddaney@avtrex.com>
1197
1198         * config/mips/mips.md (immediate_insn): Move up in file, fix
1199         comment typo, reformat.
1200         (fetchop_bit, atomic_hiqi_op memory_barrier,
1201         sync_compare_and_swap<mode>, compare_and_swap_12, sync_add<mode>,
1202         sync_<optab><mode>, sync_<optab>_12, sync_old_<optab><mode>,
1203         sync_old_<optab>_12, sync_new_<optab><mode>, sync_new_<optab>_12,
1204         sync_nand<mode>, sync_nand_12, sync_old_nand<mode>,
1205         sync_old_nand_12, sync_new_nand<mode>, sync_new_nand_12,
1206         sync_sub<mode>, sync_old_add<mode>, sync_old_sub<mode>,
1207         sync_new_add<mode>, sync_new_sub<mode>, sync_<optab><mode>,
1208         sync_old_<optab><mode>, sync_new_<optab><mode>, sync_nand<mode>,
1209         sync_old_nand<mode>, sync_new_nand<mode>,
1210         sync_lock_test_and_set<mode>, sync_lock_test_and_set<mode>,
1211         test_and_set_12): Moved to sync.md.
1212         (sync.md): Include.
1213         * config/mips/sync.md: New file.
1214
1215 2008-08-25  Richard Henderson  <rth@redhat.com>
1216
1217         * dwarf2out.c (def_cfa_1): Don't scale by DWARF_CIE_DATA_ALIGNMENT.
1218         (regsave): Likewise.
1219         (lookup_cfa_1): Don't rescale by DWARF_CIE_DATA_ALIGNMENT.
1220         (output_cfi_directive): Likewise.
1221         (div_data_align): New.
1222         (output_cfi): Use it.
1223
1224 2008-08-24  Adam Nemet  <anemet@caviumnetworks.com>
1225
1226         * config.gcc (mips64*-*-linux*): Handle mips64octeon*-*-linux*.
1227         * config/mips/mips.h (enum processor_type): Add PROCESSOR_OCTEON.
1228         (TARGET_OCTEON): New macro.
1229         (TARGET_CPU_CPP_BUILTINS): Define __OCTEON__ for Octeon.
1230         (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=octeon.
1231         (ISA_HAS_POP): New macro.
1232         * config/mips/driver-native.c (host_detect_local_cpu): Handle
1233         Octeon.
1234         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1235         Handle Octeon.
1236         * config/mips/mips.md (cpu): Add octeon.
1237         (type): Add pop attribute value.
1238         (popcount<mode>2): New pattern.
1239         * doc/invoke.texi (-march=@var{arch}): Add octeon.
1240
1241 2008-08-24  Jan Hubicka  <jh@suse.cz>
1242
1243         * doc/invoke.texi (-fipa-cp-clone): New option.
1244         (-fipa-cp): Update docs.
1245         (--param ipcp-unit-growth):New.
1246         * ipa-cp.c: Include fibheap.h, params.h
1247         (ipcp_initialize_node_lattices): When not cloning, all externally
1248         visible functions are bottom.
1249         (ipcp_need_redirect_p): Accept clones.
1250         (ipcp_insert_stage): Use cost driven heuristics.
1251         (max_count, dead_nodes): New static vars.
1252         (ipcp_need_original_clone_p, ipcp_estimate_cloning_cost,
1253         ipcp_const_param_count): New functions.
1254         * common.opt (ipa-cp-clone): New command line option.
1255         * params.def (ipcp-unit-growth): New.
1256
1257 2008-08-24  Jan Hubicka  <jh@suse.cz>
1258
1259         * tree-inline.c (tree_function_versioning): Look harder
1260         for referenced vars.
1261
1262 2008-08-24  Razya Ladelsky  <razya@il.ibm.com>
1263
1264         PR tree-optimization/37185
1265         * matrix-reorg.c (transform_access_sites): Update changed stmt.
1266
1267 2008-08-23  Jan Hubicka  <jh@suse.cz>
1268
1269         * ipa-cp.c (ipcp_analyze_node): New function.
1270         (ipcp_update_cloned_node): Use it.
1271         (ipcp_init_stage): Likewise.
1272         * ipa-inline.c (function_insertion_hook_holder): New static var.
1273         (analyze_function): Break out from ....
1274         (inline_generate_summary): Here; register insertion hook.
1275         (cgraph_decide_inlining): Remove hook.
1276         (add_new_function): New function.
1277
1278 2008-08-23  Jan Hubicka  <jh@suse.cz>
1279
1280         * opts.c (decode_options): Revert accidental change enabling ipa-cp.
1281
1282 2008-08-23  Jan Hubicka  <jh@suse.cz>
1283
1284         * ipa-cp.c (constant_val_insert): Remove.
1285         (ipcp_propagate_one_const): Remove.
1286         (ipcp_create_replace_map): Always insert replacements to the map.
1287         (ipcp_insert_stage): Do not try to insert statements by hand.
1288         * tree-inline.c (insert_init_stmt): Break out from ...
1289         (setup_one_parameter): ... here; allow NULL BB pointer.
1290         (tree_function_versioning): Use setup_one_parameter to process
1291         replacement map.
1292
1293 2008-08-23  Jan Hubicka  <jh@suse.cz>
1294
1295         * tree.c (decl_address_ip_invariant_p): New function.
1296         * tree.h (decl_address_ip_invariant_p): Declare.
1297         * gimple.c (strip_invariant_refs): Break out from ...
1298         (is_gimple_invariant_address): ... here
1299         (is_gimple_ip_invariant_address): New function.
1300         (is_gimple_ip_invariant): New function.
1301         * gimple.h (is_gimple_ip_invariant_address, is_gimple_ip_invariant):
1302         Declare.
1303
1304         * ipa-cp.c (ipcp_lat_is_const): Remove handling of IPA_CONST_VALUE_REF.
1305         (ipcp_lat_is_insertable): All constants are insertable.
1306         (ipcp_lattice_from_jfunc, ipcp_print_all_lattices): Remove handling of
1307         IPA_CONST_VALUE_REF.
1308         (ipcp_initialize_node_lattices): Propagate all types of operands.
1309         (build_const_val): Do not handle IPA_CONST_VALUE_REF.
1310         (ipcp_create_replace_map): Reformat.
1311         (ipcp_need_redirect_p): Simplify.
1312         (ipcp_insert_stage): Check that argument is used before clonning.
1313         * ipa-prop.c (ipa_print_node_jump_functions): Do not handle IPA_CONST_REF.
1314         (compute_scalar_jump_functions): Simplify using is_gimple_ip_invariat.
1315         (determine_cst_member_ptr): Keep wrapping ADDR_EXPR of members.
1316         (update_call_notes_after_inlining): Expect ADDR_EXPR in operand.
1317         * ipa-prop.h (jump_func_type): Remove IPA_CONST_REF.
1318         (jump_func_type): Remove IPA_CONST_VALUE_REF.
1319         * tree-inline.c (tree_function_versioning): Add variables referenced by
1320         replacing trees.
1321
1322 2008-08-23  Jan Hubicka  <jh@suse.cz>
1323
1324         PR target/37094
1325         * i386.c (standard_80387_constant_p): Use optimize_size.
1326
1327 2008-08-23  Ira Rosen  <irar@il.ibm.com>
1328
1329         PR tree-optimization/37161
1330         * tree-vectorizer.h (vect_get_smallest_scalar_type): Declare.
1331         * tree-vect-analyze.c (vect_get_smallest_scalar_type): New function.
1332         (vect_determine_vectorization_factor): Move the scalar type
1333         retrieval to vect_get_smallest_scalar_type.
1334         (vect_build_slp_tree): Call vect_get_smallest_scalar_type to get
1335         scalar type. Remove redundant computation.
1336         * tree-vect-transform.c (vect_get_constant_vectors): Add argument.
1337         (vect_get_slp_defs): Take the type of RHS into account if
1338         necessary by calling vect_get_smallest_scalar_type. Call
1339         vect_get_constant_vectors with additional argument.
1340
1341 2008-08-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1342
1343         PR 35648
1344         * doc/invoke.texi (Wwrite-strings): Clarify description.
1345         
1346 2008-08-23  Ira Rosen  <irar@il.ibm.com>
1347
1348         PR tree-optimization/37174
1349         * tree-vect-analyze.c (vect_get_and_check_slp_defs): Check that the
1350         def stmt is a part of the loop before accessing its stmt_vec_info.
1351
1352 2008-08-22  Anatoly Sokolov  <aesok@post.ru>
1353
1354         PR target/11259
1355         * config/avr/avr.md (UNSPEC_SWAP): New constants.
1356         (*swap): New insn pattern.
1357         (*ashlqi3): Rename from ashlqi3 insn pattern.
1358         (ashlqi3): New expanders.
1359         (*lshrqi3): Rename from lshrqi3 insn pattern.
1360         (lshrqi3): New expanders.       
1361         (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
1362         lshrqi3_const5, lshrqi3_const6): New splitters.
1363         (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
1364         lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define
1365         peephole2 patterns.
1366
1367 2008-08-22  Richard Guenther  <rguenther@suse.de>
1368
1369         PR tree-optimization/37078
1370         * tree-vrp.c (extract_range_from_unary_expr): Avoid generating
1371         [+INF, +INF] ranges.
1372
1373 2008-08-22  Richard Guenther  <rguenther@suse.de>
1374
1375         PR tree-optimization/37143
1376         * tree-vect-transform.c (vect_create_cond_for_align_checks): Build
1377         a conversion statement instead of a copy.
1378
1379 2008-08-22  Uros Bizjak  <ubizjak@gmail.com>
1380
1381         PR target/37184
1382         * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode,
1383         CCCmode, CCOmode and CCSmode destination modes.
1384
1385         PR target/37191
1386         * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers
1387         from different units in a single alternative.
1388         (*vec_extractv2sf_1): Ditto.
1389         (*vec_extractv2si_0): Ditto.
1390         (*vec_extractv2si_1): Ditto.
1391         * config/i386/sse.md (sse2_storehpd): Ditto.
1392         (sse2_storelpd): Ditto.
1393         (sse2_loadhpd): Ditto.
1394         (sse2_loadlpd): Ditto.
1395
1396         PR target/37197
1397         * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints.
1398         (popcountsi2): Ditto.
1399         (clzdi2_abm): Ditto.
1400         (popcountdi2): Ditto.
1401         (clzhi2_abm): Ditto.
1402         (popcounthi2): Ditto.
1403
1404 2008-08-22  Richard Guenther  <rguenther@suse.de>
1405
1406         PR middle-end/36548
1407         PR middle-end/37125
1408         * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
1409         if the multiplication does not overflow.
1410
1411 2008-08-21  Nathan Sidwell  <nathan@codesourcery.com>
1412
1413         * c-ppoutput.c (init_pp_output): Initialize src_line to 1.
1414
1415 2008-08-21  Richard Henderson  <rth@redhat.com>
1416
1417         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove
1418         spurrious comma from test.
1419         * configure: Rebuild.
1420
1421 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1422
1423         PR 30457
1424         * builtins.c (fold_builtin_next_arg): Add warning about undefined
1425         behaviour.
1426         
1427 2008-08-21  Aldy Hernandez  <aldyh@redhat.com>
1428
1429         * c-tree.h (grokfield): New argument.
1430         * c-decl.c (grokfield): Handle new location argument.
1431         * c-parser.c (c_parser_struct_declaration): Pass location to
1432         grokfield.
1433
1434 2008-08-21  Richard Guenther  <rguenther@suse.de>
1435
1436         * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants.
1437
1438 2008-08-21  Jan Hubicka  <jh@suse.cz>
1439
1440         * cgraph.c (first_cgraph_function_insertion_hook): New variable.
1441         (cgraph_add_function_insertion_hook,
1442         cgraph_remove_function_insertion_hook,
1443         cgraph_call_function_insertion_hooks): New functions.
1444         * cgraph.h (cgraph_add_function_insertion_hook,
1445         cgraph_remove_function_insertion_hook,
1446         cgraph_call_function_insertion_hooks): Declare.
1447         * ipa-reference.c (function_insertion_hook_holder): New variable.
1448         (check_operand, look_for_address_of): When checking late, do not care
1449         about module bitmaps.
1450         (add_new_function): New function.
1451         (generate_summary): Register hooks; zero module bitmaps.
1452         (propagate): Unregister hooks.
1453         * ipa-pure-const.c (function_insertion_hook_holder): New variable.
1454         (add_new_function): New function.
1455         (generate_summary): Register hook.
1456         (propagate): Remove hook.
1457
1458         * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0.
1459
1460         * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass.
1461         * ipa-cp.c (ipcp_update_cloned_node): New function.
1462         (build_const_val): Handle functions correctly; bring type logic
1463         into sync with tree-inline.c
1464         (ipcp_init_stage):  Take care of computing stuff needed by
1465         indirect inlining; update clones.
1466         (ipcp_generate_summary): Break out of ipcp_driver.
1467         (ipcp_driver): Do only execution and transformation.
1468         (pass_ipa_cp): Make IPA_PASS.
1469         * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold
1470         offset to address.
1471         * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing
1472         ipcp, some info is already available.
1473         * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed.
1474         * tree-inline.c (remap_ssa_name): Unshare expression.
1475
1476 2008-08-21  Richard Guenther  <rguenther@suse.de>
1477
1478         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1479         a PHI ask VN if it is already available.
1480         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1481         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1482
1483 2008-08-21  Richard Guenther  <rguenther@suse.de>
1484
1485         PR middle-end/36817
1486         * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which
1487         makes sure to produce a result of the correct type.
1488
1489 2008-08-21  Jan Hubicka  <jh@suse.cz>
1490         Backport from LTO branch:
1491
1492         2008-05-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1493                     Jan Hubicka  <jh@suse.cz>
1494         
1495         * ipa-pure-const.c
1496         (init_state, finish_state, set_function_state, generate_summary):
1497         New functions.
1498         (scan_stmt): Renamed from scan_function.  Changed to keep state in
1499         local static vars rather than cgraph aux field.
1500         (propagate): Renamed from static_execute. Changed to keep state in
1501         local static vars rather than cgraph aux field.
1502         (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS.
1503         * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS.
1504
1505         2008-07-15  Kenneth Zadeck <zadeck@naturalbridge.com>
1506
1507         * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
1508         * ipa-reference.c (init_function_info, generate_summary, 
1509         propagate): New functions.
1510         (analyze_function):  Call init_function_info.
1511         (static_execute): Stripped into generate_summary and propagate.
1512         (pass_ipa_reference): Made into ipa_opt_pass.
1513
1514 2008-08-21  Richard Guenther  <rguenther@suse.de>
1515
1516         PR tree-optimization/37181
1517         * tree-vrp.c (extract_range_from_binary_expr): Check for NULL
1518         folding result.
1519         (extract_range_from_unary_expr): Likewise.
1520
1521 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1522
1523         * diagnostic.c (pedwarn_at): Rename as pedwarn.
1524         (pedwarn): Delete.
1525         * toplev.h (pedwarn_at): Likewise.
1526         * builtins.c: Update all calls to pedwarn.
1527         * c-lex.c: Likewise.
1528         * toplev.c: Likewise.
1529         * c-tree.h: Likewise.
1530         * c-decl.c: Likewise.
1531         * c-errors.c: Likewise.
1532         * c-typeck.c: Likewise.
1533         * c-common.c: Likewise.
1534         * c-parser.c: Likewise.
1535
1536 2008-08-20  Joseph Myers  <joseph@codesourcery.com>
1537
1538         PR target/31070
1539         * config/sparc/sparc.c (function_arg_slotno): Handle structure
1540         with MODE_VECTOR_INT mode.
1541
1542 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1543
1544         PR middle-end/179
1545         * tree-ssa.c (warn_uninit): Do not warn for variables that can be
1546         initialized outside the current module.
1547         (warn_uninitialized_var): Ignore left-hand side when walking the
1548         trees. Ignore address expressions. Examine VUSE operands in gimple
1549         statements with a variable declaration on the right-hand side.
1550
1551 2008-08-20  Richard Sandiford  <rdsandiford@googlemail.com>
1552
1553         PR bootstrap/37155
1554         * rtlanal.c (subreg_offset_representable_p): Revert last change.
1555
1556 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1557
1558         PR 35701
1559         * c-common.c (conversion_warning): Do not warn if applying bit-and
1560         operator to unsigned constant that fits in the target type.
1561
1562 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1563
1564         PR c++/35602
1565         * c-common.c (conversion_warning): Do not warn for artificial
1566         expressions.
1567
1568 2008-08-20  Richard Guenther  <rguenther@suse.de>
1569
1570         * tree-vrp.c (op_with_constant_singleton_value_range): New function.
1571         (extract_range_from_binary_expr): Fall back to constant propagation.
1572         (extract_range_from_unary_expr): Likewise.
1573
1574 2008-08-20  Richard Guenther  <rguenther@suse.de>
1575
1576         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess
1577         with TREE_THIS_VOLATILE on shared nodes.
1578         (fold_stmt_r): Likewise.
1579
1580 2008-08-20  Jakub Jelinek  <jakub@redhat.com>
1581
1582         PR c/37171
1583         * c-parser.c (c_parser_attributes): For keywords use canonical
1584         spelling for attr_name.
1585
1586 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1587
1588         * value-prof.c (check_counter): Revert wrong call to error.
1589         
1590 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1591
1592         * profile.c: Update calls to inform.
1593         * value-prof.c: Update calls to inform.
1594         
1595 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1596
1597         * diagnostic.c (inform): Add an explicit location_t parameter.
1598         * toplev.h (inform): Update declaration.
1599         * builtins.c: Update all calls to inform.
1600         * c-common.c: Likewise.
1601         * c-decl.c: Likewise.
1602         * c-opts.c: Likewise.
1603         * c-pch.c: Likewise.
1604         * c-pragma.c: Likewise.
1605         * c-typeck.c: Likewise.
1606         * coverage.c: Likewise.
1607         * opts.c: Likewise.
1608         * toplev.c: Likewise.
1609         * tree-cfg.c: Likewise.
1610         * tree-ssa.c: Likewise.
1611
1612 2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1613
1614         PR target/37169
1615         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
1616         V2DI mode, for SSE4.1, use movq instead of vector set if the
1617         second element is zero and inter-unit moves are OK.
1618
1619 2008-08-20  Richard Guenther  <rguenther@suse.de>
1620
1621         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More
1622         properly handle conversion/copy chains after tuplification.
1623
1624 2008-08-20  Richard Guenther  <rguenther@suse.de>
1625
1626         * passes.c (init_optimization_passes): Move the second
1627         forwprop pass before alias computation.  Remove the second
1628         DCE pass.  Remove the first dominator and phi copy/const
1629         prop passes.
1630
1631 2008-08-20  Nick Clifton  <nickc@redhat.com>
1632
1633         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler
1634         support of this feature.  Do not assume that a sufficiently new
1635         assembler will support the feature regardless of the target type.
1636         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
1637         * configure: Regenerate.
1638
1639 2008-08-20  Richard Guenther  <rguenther@suse.de>
1640
1641         * tree-vrp.c (found_in_subgraph): Remove.
1642         (live): New global static.
1643         (live_on_edge): New function.
1644         (blocks_visited): Remove.
1645         (register_edge_assert_for_2): Use live_on_edge.
1646         (find_conditional_asserts): Remove code dealing with
1647         found_in_subgraph.  Do not walk the CFG.
1648         (find_switch_asserts): Likewise.
1649         (find_assert_locations_1): Renamed from find_assert_locations.
1650         Move finding assert locations for conditional and switch
1651         statements first.  Update live bitmap.  Do not walk the CFG.
1652         (find_assert_locations): New function.
1653         (insert_range_assertions): Remove entry of CFG walk.
1654         Adjust call to find_assert_locations.
1655         * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
1656         that only can appear because of fake exit edges but assert we
1657         never try to insert on those.
1658         (fini_pre): Do not remove fake exit edges here...
1659         (execute_pre): ...but here, before committing edge inserts.
1660
1661 2008-08-19  Richard Guenther  <rguenther@suse.de>
1662
1663         * passes.c (init_optimization_passes): Exchange store-ccp
1664         with a ccp pass.
1665
1666 2008-08-19  Rafael Espindola  <espindola@google.com>
1667
1668         * varasm.c (weak_decls): Move earlier in the file.
1669         (assemble_external): Add weak decls to the weak_decls list.
1670         (declare_weak): Don't add decls to the weak_decls list.
1671
1672 2008-08-19  H.J. Lu  <hongjiu.lu@intel.com>
1673
1674         PR target/37157
1675         * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved
1676         before (sse2_shufpd_<mode>).
1677
1678 2008-08-19  Jakub Jelinek  <jakub@redhat.com>
1679
1680         PR debug/37156
1681         * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees.
1682         * tree.c (block_nonartificial_location): Likewise.
1683
1684 2008-08-19  Richard Guenther  <rguenther@suse.de>
1685
1686         PR tree-optimization/35972
1687         PR tree-optimization/23094
1688         * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
1689         parameter.
1690         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
1691         handle MISALIGNED_INDIRECT_REF.
1692         (get_ref_from_reference_ops): New helper.
1693         (vn_reference_lookup_pieces): Walk the use-def chain using the
1694         alias-oracle if requested.
1695         * tree-ssa-pre.c (phi_translate_1): Do reference lookup with
1696         walking the use-def chain.
1697         (compute_avail): But not here.
1698         (create_component_ref_by_pieces_1): Properly handle
1699         MISALIGNED_INDIRECT_REF.
1700         (do_regular_insertion): Handle fully redundant
1701         expressions after PHI-translation also for SSA_NAME values, not
1702         only constants.  Correctly use edoubleprime for that.
1703
1704 2008-08-19  Ira Rosen  <irar@il.ibm.com>
1705
1706         * tree-vectorizer.c (supportable_widening_operation): Support
1707         multi-step conversion, return the number of steps in such conversion
1708         and the required intermediate types.
1709         (supportable_narrowing_operation): Likewise.
1710         * tree-vectorizer.h (vect_pow2): New function.
1711         (supportable_widening_operation): Change argument types.
1712         (supportable_narrowing_operation): Likewise.
1713         (vectorizable_type_promotion): Add an argument.
1714         (vectorizable_type_demotion): Likewise.
1715         * tree-vect-analyze.c (vect_analyze_operations): Call 
1716         vectorizable_type_promotion and vectorizable_type_demotion with
1717         additional argument.
1718         (vect_get_and_check_slp_defs): Detect patterns.
1719         (vect_build_slp_tree): Add an argument, don't fail in case of multiple
1720         types. 
1721         (vect_analyze_slp_instance): Don't fail in case of multiple types. Call
1722         vect_build_slp_tree with correct arguments. Calculate unrolling factor
1723         according to the smallest type in the loop.
1724         (vect_detect_hybrid_slp_stmts): Include statements from patterns.
1725         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call 
1726         supportable_widening_operation with correct arguments. 
1727         * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector 
1728         operands lists according to the number of vector statements in left
1729         or right node, if exists.
1730         (vect_gen_widened_results_half): Remove unused argument.
1731         (vectorizable_conversion): Call supportable_widening_operation, 
1732         supportable_narrowing_operation, and vect_gen_widened_results_half
1733         with correct arguments. 
1734         (vectorizable_assignment): Change documentation, support multiple
1735         types in SLP. 
1736         (vectorizable_operation): Likewise.
1737         (vect_get_loop_based_defs): New function.
1738         (vect_create_vectorized_demotion_stmts): Likewise.
1739         (vectorizable_type_demotion): Support loop-aware SLP and general
1740         multi-step conversion. Call vect_get_loop_based_defs and
1741         vect_create_vectorized_demotion_stmts for transformation.
1742         (vect_create_vectorized_promotion_stmts): New function.
1743         (vectorizable_type_promotion): Support loop-aware SLP and general
1744         multi-step conversion. Call vect_create_vectorized_promotion_stmts
1745         for transformation.     
1746         (vectorizable_store): Change documentation, support multiple
1747         types in SLP. 
1748         (vectorizable_load): Likewise.
1749         (vect_transform_stmt): Pass SLP_NODE to 
1750         vectorizable_type_promotion and vectorizable_type_demotion.
1751         (vect_schedule_slp_instance): Move here the calculation of number
1752         of vectorized statements for each node from...
1753         (vect_schedule_slp): ... here.
1754         (vect_transform_loop): Call vect_schedule_slp without the last
1755         argument.
1756
1757 2008-08-19  Dorit Nuzman  <dorit@il.ibm.com>
1758
1759         PR bootstrap/37152
1760         * tree-vect-transform.c (vect_create_epilog_for_reduction): Change = 
1761         to == in assert statement.
1762         (vectorizable_reduction): Fix typo.
1763
1764 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
1765
1766         PR bootstrap/37153
1767         * value-prof.c (check_counter): Dereference pointer to overall
1768         count when printing it.
1769
1770 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
1771
1772         * profile.h: Really add it.
1773
1774 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
1775
1776         * mcf.c: Really add it.
1777
1778 2008-08-18  Paul Yuan  <yingbo.com@gmail.com>
1779             Vinodha Ramasamy  <vinodha@google.com>
1780
1781         * cgraph.c (cgraph_edge): Handle inconsistent counts when setting
1782         count_scale.
1783         * value-prof.c (check_counter): Fix the counter if
1784         flag_profile_correction is true.
1785         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1786         tree_mod_subtract_transform):
1787         Follow check_counter parameter change.
1788         * common.opt (fprofile-correction): New option.
1789         * mcf.c: New file.
1790         * profile.h: Likewise.
1791         * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
1792         (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
1793         is_inconsistent, set_bb_counts, read_profile_edge_counts): New
1794         functions.
1795         (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if
1796         flag_profile_correction is set.
1797
1798 2008-08-18  Richard Sandiford  <rdsandiford@googlemail.com>
1799
1800         * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK.
1801
1802 2008-08-18  Tomas Bily  <tbily@suse.cz>
1803
1804         * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P.
1805         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
1806         CONVERT_EXPR_P.
1807         * tree-data-ref.c (split_constant_offset_1): Likewise.
1808         * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
1809         * tree-sra.c (sra_walk_expr): Likewise.
1810         * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
1811         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
1812         * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
1813         * tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
1814         Likewise.
1815         * gimple.c (gimple_assign_unary_nop_p): Likewise.
1816         * tree-vect-transform.c (vectorizable_type_demotion)
1817         (vectorizable_type_promotion): Likewise.
1818         * tree-inline.c (expand_call_inline): 
1819         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
1820         (forward_propagate_addr_expr_1, forward_propagate_comparison)
1821         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1822         * expr.c (expand_expr_real_1): Likewise.
1823         * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr)
1824         (gimple_assign_unary_useless_conversion_p): Likewise.
1825         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1826         * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
1827         * fold-const.c (fold_unary): Likewise.
1828         * tree.h (CONVERT_EXPR_P): Likewise.
1829         * tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
1830         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
1831         * tree-vrp.c: 
1832         (register_edge_assert_for_2, extract_range_from_unary_expr)
1833         (register_edge_assert_for_1): Likewise.
1834         
1835 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1836
1837         * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
1838         dconst_third_ptr, dconst_sqrt2_ptr): Declare.
1839         (enum real_value_const): Delete.
1840         (get_real_const): Delete.
1841         * real.c (get_real_const): Delete.
1842         (dconst_e_ptr): Define.
1843         (dconst_third_ptr): Define.
1844         (dconst_sqrt2_ptr): Define.
1845         * builtins.c: Update all callers.
1846
1847 2008-08-18  Richard Guenther  <rguenther@suse.de>
1848
1849         * tree-ssa-reassoc.c (reassociate_bb): Properly reset the
1850         statement iterator after statement removal.
1851
1852 2008-08-18  Andreas Tobler  <a.tobler@schweiz.org>
1853
1854         * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function.
1855         (detect_processor_freebsd): Likewise.
1856         (host_detect_local_cpu): Call newly added functions for FreeBSD.
1857
1858 2008-08-18  Richard Guenther  <rguenther@suse.de>
1859
1860         * tree-cfg.c (verify_types_in_gimple_assign): Verify copies
1861         and loads have the correct types.
1862
1863 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1864
1865         PR cpp/7263
1866         * c-opts.c (cpp_opts): Remove static.
1867         * c-parser.c (cpp_opts): Declare it extern.
1868         (disable_extension_diagnostics): Handle cpp options.
1869         (enable_extension_diagnostics): Likewise.
1870
1871 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1872
1873         * diagnostics.c (permerror_at): Rename as permerror.
1874         (permerror): Delete.
1875         * toplev.h: Likewise.
1876
1877 2008-08-18  Richard Guenther  <rguenther@suse.de>
1878
1879         * passes.c (init_optimization_passes): Remove cleanup_cfg1,
1880         sdse1 and addressables2 passes.  Replace dce1 with cddce1.
1881         Move call_cdce before build_alias.  Move copyrename2,
1882         cunrolli and ccp2 beafore build_alias.  Re-add addressable2
1883         right after final inlining.
1884         * tree-cfg.c (build_gimple_cfg): Do not dump function here.
1885         (pass_build_cfg): But instead via TODO_dump_func.
1886
1887 2008-08-18  Richard Guenther  <rguenther@suse.de>
1888
1889         * tree-sra.c (generate_element_init_1): Deal with NULL constructor
1890         element index.
1891         (scalarize_init): If we failed to generate some initializers
1892         do not generate zeros for not instantiated members.  Instead
1893         rely on the copy out.
1894         * tree-ssa-operands.c (get_addr_dereference_operands): Warn
1895         about missing flow-sensitive alias info only if we have
1896         aliases computed.
1897
1898 2008-08-17  Nick Clifton  <nickc@redhat.com>
1899
1900         * doc/extend.texi (Function Attributes): Fix typo in description
1901         if hot function attribute.
1902
1903 2008-08-17  Daniel Jacobowitz  <dan@codesourcery.com>
1904             Richard Sandiford  <rdsandiford@googlemail.com>
1905
1906         * doc/install.texi (--with-mips-plt): Document.
1907         * doc/invoke.texi (-mplt, -mno-plt): Document.
1908         * config.gcc (mips*-*-*): Add mips-plt to supported_defaults
1909         and handle ${with_mips_plt}.
1910         * config/mips/mips.opt (mplt): New option.
1911         * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
1912         (TARGET_ABICALLS_PIC2): Likewise.
1913         (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
1914         (OPTION_DEFAULT_SPECS): Add a mips-plt entry.
1915         (ASM_SPEC): Use !mabi=* instead of !mabi*.
1916         (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
1917         to decide whether to output ".option picX" directives.
1918         * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
1919         Pass -call_nonpic rather than -KPIC for -mplt.
1920         (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
1921         on the command line.  Also remove it when -mabi=64 is used without
1922         -msym32.
1923         * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
1924         * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
1925         TARGET_ABICALLS_PIC0.
1926         (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
1927         TARGET_ABICALLS.
1928         (mips16_build_function_stub): Only output ".option pic" directives
1929         and PIC stubs if TARGET_ABICALLS_PIC2.  Call through $25 instead of $1.
1930         (mips16_build_call_stub): Fix comment and remove redundant
1931         ".set at"/"set .noat" directives.
1932         (mips_function_rodata_section): Use the default behaviour for
1933         TARGET_ABSOLUTE_ABICALLS.
1934         (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
1935         (mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
1936         (mips_restore_gp): Do nothing if the current function doesn't use
1937         a global pointer.
1938         (mips_expand_prologue): Only save $gp if the current function uses it.
1939         Use a normal move for TARGET_ABICALLS_PIC0.
1940         (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.
1941
1942 2008-08-17  Richard Sandiford  <rdsandiford@googlemail.com>
1943
1944         * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
1945         of function when handling GLOBAL_POINTER_REGNUM.
1946
1947 2008-08-16  Eric Botcazou  <ebotcazou@adacore.com>
1948
1949         PR ada/20548
1950         * common.opt (-fstack-check): Do not declare the variable here.
1951         (-fstack-check=): New option variant.
1952         * doc/invoke.texi (Code Gen Options): Document it.
1953         * expr.h (STACK_OLD_CHECK_PROTECT): New macro.
1954         (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
1955         (STACK_CHECK_STATIC_BUILTIN): New macro.
1956         * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
1957         * opts.c: Include expr.h.
1958         (common_handle_option) <OPT_fold_stack_check_>: New case.
1959         <OPT_fstack_check>: Likewise.
1960         * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
1961         consistently in the test for variable-sized types.  Adjust for
1962         new behaviour of flag_stack_check.
1963         * explow.c: Include except.h.
1964         (allocate_dynamic_stack_space): Do not take into account
1965         STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
1966         * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
1967         for variable-sized parameters.  Treat all parameters whose size is
1968         greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
1969         stack checking is enabled.
1970         * gimplify.c (gimplify_decl_expr): Treat non-static objects whose
1971         size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
1972         if generic stack checking is enabled.
1973         (expand_function_end): Adjust for new behaviour of flag_stack_check.
1974         * reload1.c (reload): Likewise.
1975         * stmt.c (expand_decl): Assert that all automatic variables have
1976         fixed size at this point and remove dead code.
1977         * flags.h (stack_check_type): New enumeration type.
1978         (flag_stack_check): Declare.
1979         * toplev.c (flag_stack_check): New global variable.
1980         * Makefile.in (opts.o): Add dependency on EXPR_H.
1981         (explow.o): Add dependency on except.h.
1982
1983 2008-08-16  Andy Hutchinson  <hutchinsonandy@aim.com>
1984
1985         * config/avr/avr.c (avr_override_options): Reduce value of 
1986         PARAM_INLINE_CALL_COST.
1987
1988 2008-08-15  Eric Botcazou  <ebotcazou@adacore.com>
1989
1990         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
1991         to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
1992         lieu of TYPE_MODE (type) throughout.
1993
1994 2008-08-15  Joseph Myers  <joseph@codesourcery.com>
1995
1996         * config/arm/arm.c (add_minipool_backward_ref): Check for
1997         8-byte-aligned entries in second case of forcing insertion after a
1998         particular entry.  Change third case to avoid inserting
1999         non-8-byte-aligned entries before 8-byte-aligned ones.
2000
2001 2008-08-15  Richard Guenther  <rguenther@suse.de>
2002
2003         * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
2004         strip components for unknown size accesses.
2005
2006 2008-08-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
2007
2008         * config/s390/2097.md New file.
2009         * config/s390/s390.md ("z10prop" attribute): Define none,
2010         z10_super, z10_super_E1, z10_super_A1, z10_super_c,
2011         z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
2012         z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
2013         possible values and apply them to insns as appropriate.
2014         ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
2015         ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
2016         fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
2017         fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible
2018         values.
2019         ("bfp" mode attribute): Removed.  Every occurence replaced
2020         with <mode>.
2021         * config/s390/s390.c (struct "z10_cost"): Updated entries.
2022         * config/s390/2084.md (insn_reservation "x_itof"): Updated
2023           type attribute.
2024
2025 2008-08-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2026
2027         PR c/28152
2028         * c-parser.c (c_lex_one_token): Do not store the canonical spelling
2029         for keywords.
2030         
2031 2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>
2032
2033         * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
2034         additional argument. Support reduction when duplication is needed due
2035         to data-types of different sizes in the loop.
2036         (get_initial_def_for_induction): Fix printout.
2037         (vect_get_vec_def_for_stmt_copy): Support case where the
2038         vec_stmt_for_operand is a phi node.
2039         (vectorizable_reduction): Support reduction when duplication is needed 
2040         due to data-types of different sizes in the loop.
2041         (vectorizable_call): Remove restriction to not vectorize in case we 
2042         have data-types of different sizes in the loop.
2043         (vectorizable_conversion): Likewise.
2044         (vectorizable_operation): Likewise.
2045         (vectorizable_type_demotion): Likewise.
2046         (vectorizable_type_promotion): Likewise.
2047         (vectorizable_induction): Add restriction to not vectorize in case 
2048         we have data-types of different sizes in the loop.
2049
2050 2008-08-14  Christophe Saout  <christophe@saout.de>
2051             Uros Bizjak  <ubizjak@gmail.com>
2052
2053         PR target/37101
2054         * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
2055         (*vec_concatv2di_rex64_sse4_1): Ditto.
2056         (*vec_concatv2di_rex64_sse): Ditto.
2057
2058 2008-08-14  Jakub Jelinek  <jakub@redhat.com>
2059
2060         PR middle-end/37103
2061         * fold-const.c (fold_widened_comparison): Do not allow
2062         sign changes that change the result even if shorter type
2063         is wider than arg1_unw's type.
2064
2065 2008-08-13  Kazu Hirata  <kazu@codesourcery.com>
2066
2067         * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
2068         Skip if the multilib testing specifies -march that does not
2069         agree with the one specified in the testcase.
2070
2071 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2072
2073         * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
2074         zero extend SImode values being converted to TFmode before passing
2075         to libcalls.
2076
2077 2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2078
2079         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
2080         __PPU__ when targeting the Cell/B.E. PPU processor.
2081
2082 2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>
2083
2084         * gimple.h (gimple_call_set_chain): Accept SSA variables.
2085         * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
2086         Rematerialize the static chain, if any.
2087         * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
2088         static chain.
2089
2090 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2091
2092         * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
2093         (new_loc_descr): Likewise.
2094         (add_loc_descr): Likewise.
2095         (size_of_loc_descr): Likewise.
2096         (size_of_locs): Likewise.
2097         (output_loc_operands): Likewise.
2098         (output_loc_sequence): Likewise.
2099         (new_reg_loc_descr): New.
2100         (build_cfa_loc): Use it.
2101         (build_cfa_aligned_loc): Likewise.
2102         (one_reg_loc_descriptor): Likewise.
2103         (based_loc_descr): Likewise.
2104
2105 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2106
2107         PR 30551
2108         * doc/invoke.texi (Wmain): Update.
2109         * c-decl.c (start_decl): warn_main is only 0 or 1.
2110         (start_function): Likewise. Fix formatting.
2111         (finish_function): Delete redundant warning.
2112         * c.opt (Wmain): Add Var(warn_main) and Init(-1).
2113         * c-opts (c_common_handle_option): -Wall only has effect if
2114         warn_main is uninitialized. OPT_Wmain is automatically
2115         handled. -pedantic also enables Wmain.
2116         (c_common_post_options): Handle all logic for Wmain here.
2117         * c-common.c (warn_main): Delete.
2118         (check_main_parameter_types): Make pedwarns conditional on
2119         OPT_Wmain.
2120         * c-common.h (warn_main): Delete.
2121
2122 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2123
2124         PR middle-end/36701
2125         * expr.c (emit_group_store): Allocate stack temp with the
2126         largest alignment when copying from register to stack.
2127
2128 2008-08-13  Richard Guenther  <rguenther@suse.de>
2129
2130         * tree.h (maybe_fold_offset_to_address): Declare.
2131         * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
2132         (ccp_fold): Handle pointer conversions the same as fold_stmt.
2133         Likewise for POINTER_PLUS_EXPR.
2134         (maybe_fold_offset_to_reference): Enable disabled code.
2135         (maybe_fold_offset_to_address): New function.
2136         (fold_stmt_r): Use it.
2137         (fold_gimple_assign): Likewise.
2138         * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
2139         (gimplify_expr): Likewise.
2140
2141 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2142
2143         * toplev.h (pedwarn_at): Fix declaration.
2144         
2145 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2146
2147         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2148         LINK_SPEC): Use %R in -Y P argument.
2149
2150 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2151
2152         PR c/15236
2153         * diagnostic.c (pedwarn_at): New.
2154         * toplev.h (pedwarn_at): Declare.
2155         * c-tree.h (build_enumerator): Update declaration.
2156         * c-decl.c (finish_enum): Update comment.
2157         (build_enumerator): Take a location parameter. Give a pedwarn but do
2158         not perform any conversion.
2159         * c-parser.c (c_parser_enum_specifier): Set correct location for
2160         enumerator.
2161
2162 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2163
2164         PR 35635
2165         * c-common.c (conversion_warning): Use a switch. Ignore boolean
2166         expressions except for conversions to signed:1 bitfields. Handle
2167         COND_EXPR with constant operands.
2168         
2169 2008-08-13  Richard Guenther  <rguenther@suse.de>
2170
2171         PR tree-optimization/15255
2172         * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
2173         (struct oecount_s): New struct and VEC types.
2174         (cvec): New global.
2175         (oecount_hash): New function.
2176         (oecount_eq): Likewise.
2177         (oecount_cmp): Likewise.
2178         (zero_one_operation): New function.
2179         (build_and_add_sum): Likewise.
2180         (undistribute_ops_list): Perform un-distribution of multiplication
2181         and division on the chain of summands.
2182         (should_break_up_subtract): Also break up subtracts for factors.
2183         (reassociate_bb): Delete dead visited statements.
2184         Call undistribute_ops_list.  Re-sort and optimize if it did something.
2185         * passes.c (init_optimization_passes): Move DSE before
2186         reassociation.
2187         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
2188         PHI nodes.
2189
2190 2008-08-12  Janis Johnson  <janis187@us.ibm.com>
2191
2192         * doc/invoke.texi (-fipa-pta): Say the option is experimental.
2193
2194         * doc/invoke.texi: Revert unintended checkin.
2195
2196 2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>
2197
2198         PR libgomp/26165
2199         * gcc.c (include_spec_function): Tweak call to find_a_file.
2200
2201 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2202
2203         PR middle-end/37014
2204         * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
2205         and TRUTH_ORIF_EXPR.
2206         * dojump.c (do_jump): Likewise.
2207
2208         PR tree-optimization/37084
2209         * tree-inline.c (copy_bb): Call gimple_regimplify_operands
2210         if id->regimplify, don't assume stmt is a cast assignment.
2211
2212 2008-08-12  Anatoly Sokolov  <aesok@post.ru>
2213
2214         * final.c (final_scan_insn): Use app_enable/app_disable functions.
2215
2216 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2217
2218         PR bootstrap/37097
2219         * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
2220         by last change.
2221
2222 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2223
2224         * defaults.h (TARGET_FLOAT_FORMAT): Remove.
2225         (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.
2226
2227         * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
2228         * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
2229         * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
2230         * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
2231         * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.
2232
2233         * doc/tm.texi (Storage Layout): Remove documentation for
2234         TARGET_FLOAT_FORMAT.
2235
2236         * simplify-rtx.c (simplify_binary_operation_1): Replace
2237         TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.
2238
2239 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2240
2241         * real.h (struct real_format): New member has_sign_dependent_rounding.
2242         * real.c (ieee_single_format, mips_single_format, motorola_single_format,
2243         spu_single_format, ieee_double_format, mips_double_format,
2244         motorola_double_format, ieee_extended_motorola_format,
2245         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
2246         ieee_extended_intel_96_round_53_format, ibm_extended_format,
2247         mips_extended_format, ieee_quad_format, mips_quad_format,
2248         vax_f_format, vax_d_format, vax_g_format): Initialize it.
2249         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
2250
2251         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
2252         MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
2253         * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
2254         MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
2255         (ROUND_TOWARDS_ZERO): Likewise.
2256
2257         * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
2258         (FLOAT_MODE_FORMAT): New macro.
2259         (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
2260         (MODE_COMPOSITE_P): ... this new macro.
2261         (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
2262         MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
2263         * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
2264
2265         * flags.h: Include "real.h".
2266
2267         * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
2268         REAL_MODE_FORMAT_COMPOSITE_P.
2269         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2270
2271         * doc/tm.texi (Storage Layout): Remove documentation of
2272         MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
2273         MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
2274         ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
2275         they only apply to libgcc2.a.
2276
2277 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2278
2279         * config/spu/float_disf.c: New file.
2280         * config/spu/float_unsdisf.c: New file.
2281         * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
2282         (LIB2FUNCS_EXCLUDE): Define.
2283
2284 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2285             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2286
2287         * real.h (struct real_format): New member round_towards_zero.
2288         * real.c (round_for_format): Respect fmt->round_towards_zero.
2289         (ieee_single_format, mips_single_format, motorola_single_format,
2290         spu_single_format, ieee_double_format, mips_double_format,
2291         motorola_double_format, ieee_extended_motorola_format,
2292         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
2293         ieee_extended_intel_96_round_53_format, ibm_extended_format,
2294         mips_extended_format, ieee_quad_format, mips_quad_format,
2295         vax_f_format, vax_d_format, vax_g_format): Initialize it.
2296         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
2297
2298         * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
2299         real_format to choose rounding mode when calling MPFR functions.
2300         (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
2301         (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
2302
2303         * real.h (real_to_decimal_for_mode): Add prototype.
2304         * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
2305         Respect target rounding mode when generating decimal representation.
2306         (real_to_decimal): New stub for backwards compatibility.
2307         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
2308         real_to_decimal_for_mode instead of real_to_decimal.
2309
2310         * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
2311
2312 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2313             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2314
2315         * real.c (spu_single_format): New variable.
2316         * real.h (spu_single_format): Declare.
2317
2318         * config/spu/spu.c (spu_override_options): Install SFmode format.
2319         (spu_split_immediate): Use integer mode to operate on pieces of
2320         floating-point values in all cases.
2321
2322         * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
2323         ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
2324         ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
2325
2326 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2327
2328         * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.
2329
2330 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2331
2332         * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.
2333
2334 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2335
2336         PR c++/36688
2337         * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
2338         on the VAR_DECL instead of TYPE_READONLY on its type.
2339
2340 2008-08-12  Ira Rosen  <irar@il.ibm.com>
2341
2342         * tree-vectorizer.c: Depend on langhooks.h.
2343         (supportable_widening_operation): Add two arguments. Support double
2344         type conversions.
2345         (supportable_narrowing_operation): Likewise.
2346         * tree-vectorizer.h (supportable_widening_operation): Add two 
2347         arguments.
2348         (supportable_narrowing_operation): Likewise.
2349         * tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
2350         supportable_widening_operation with correct arguments.
2351         * tree-vect-transform.c (vectorizable_conversion): Likewise.
2352         (vectorizable_type_demotion): Support double type conversions.
2353         (vectorizable_type_promotion): Likewise.
2354         * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.
2355
2356 2008-08-11  Michael Matz  <matz@suse.de>
2357
2358         * i386/i386.c (override_options): Move initialisation from
2359         flag_schedule_insns_after_reload to here from ...
2360         (optimization_options): ... here.
2361
2362 2008-08-11  Jakub Jelinek  <jakub@redhat.com>
2363
2364         PR rtl-optimization/36998
2365         * dwarf2out.c (compute_barrier_args_size_1,
2366         compute_barrier_args_size): Temporarily remove assertions.
2367
2368 2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2369
2370         PR middle-end/20644
2371         * tree-ssa.c (struct walk_data): Add new flag
2372         warn_possibly_uninitialized.
2373         (warn_uninitialized_var): Use it.
2374         (warn_uninitialized_vars): New.
2375         (execute_early_warn_uninitialized): Call it.
2376         (execute_late_warn_uninitialized): Likewise.
2377
2378 2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2379
2380         PR middle-end/36238
2381         * reload1.c (gen_reload): Guard calls to get_secondary_mem
2382         for memory subregs.
2383
2384 2008-08-09  Jan Hubicka  <jh@suse.cz>
2385
2386         PR target/37055
2387         * optabs.c (maybe_emit_unop_insn): Remove produced code if
2388         expansion failed.
2389         (expand_fix): Be prepared for expansion to fail.
2390         (expand_sfix_optab): Remove instructions if expansion failed.
2391
2392 2008-08-09  Anatoly Sokolov  <aesok@post.ru>
2393
2394         * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
2395         avr31 architecture.
2396         * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
2397         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2398
2399 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2400
2401         * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
2402         mips/t-libgcc-mips16 to tmake_file.
2403         * config/mips/mips-protos.h (mips_call_type): New enum.
2404         (mips_pic_base_register, mips_got_load): Declare.
2405         (mips_restore_gp): Take an rtx argument.
2406         (mips_use_pic_fn_addr_reg_p): Declare.
2407         (mips_expand_call): Replace the sibcall_p argument with
2408         a mips_call_type argument.  Add a lazy_p parameter.
2409         (mips_split_call): Declare.
2410         * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
2411         (MIPS16_PIC_TEMP): Likewise.
2412         (reg_class): Delete M16_NA_REGS.
2413         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2414         (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
2415         (mips_split_hi_p): Declare.
2416         * config/mips/mips.c (mips_split_hi_p): New array.
2417         (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
2418         (mips_got_symbol_type_p): New function.
2419         (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
2420         (mips16_stub_function_p): New function.
2421         (mips16_local_function_p): Likewise.
2422         (mips_use_pic_fn_addr_reg_p): Likewise.
2423         (mips_cannot_force_const_mem): Return false for HIGHs.
2424         Extend CONST_INT and symbolic handling to MIPS16, using
2425         mips_symbol_insns to check that the base symbol type is a
2426         legitimate constant.  Reject GOT-based constants if
2427         TARGET_MIPS16_PCREL_LOADS.
2428         (mips_const_insns): Check targetm.cannot_force_const_mem when
2429         decomposing a symbolic base and a large offset.
2430         (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
2431         When calling a function that needs $25 from MIPS16 code,
2432         move the target address into $25 separately and add a USE
2433         to the call insn.
2434         (mips16_gp_pseudo_reg): Insert the initializer immediately
2435         before the first real insn.
2436         (mips_pic_base_register, mips_got_load): New functions.
2437         (mips_split_symbol): Generalize the name of the LO_SUM_OUT
2438         parameter to LOW_OUT.  Say that it can be any valid SET_SRC
2439         when splitting a load-address operation.  Split SYMBOL_GOT_DISP
2440         constants and highs of SYMBOL_GOT_PAGE_OFST constants.
2441         (mips_call_tls_get_addr): Update the call to mips_expand_call,
2442         also passing NULL_RTX rather than const0_rtx as the aux argument.
2443         (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
2444         instead of TARGET_EXPLICIT_RELOCS.
2445         (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
2446         (mips_load_call_address): Replace the sibcall_p argument with
2447         a mips_call_type argument.  Use mips_got_load.
2448         (mips16_local_alias): New structure.
2449         (mips16_local_aliases): New variable.
2450         (mips16_local_aliases_hash): New function.
2451         (mips16_local_aliases_eq): Likewise.
2452         (mips16_local_alias): Likewise.
2453         (mips16_stub_function): Likewise.
2454         (mips16_build_function_stub): Create a local alias for the target
2455         function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
2456         .cpload directive and an R_MIPS_NONE relocation for the target
2457         function, then load the alias rather than the function itself.
2458         Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
2459         (mips16_copy_fpr_return_value): Use mips16_stub_function and
2460         mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
2461         (mips16_build_call_stub): Replace the FN parameter with an
2462         FN_PTR parameter.  Force the address into a register if it
2463         isn't a call_insn_operand; don't rely on the caller to do this.
2464         If a call to a locally-defined and locally-binding MIPS16
2465         function must be made indirectly, redirect the call to the
2466         function's local alias.  Use mips16_stub_function_p,
2467         mips16_stub_function, mips_expand_call and use_reg.
2468         Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
2469         Use explicit %hi and %lo accesses where possible.
2470         Use MIPS_CALL to generate the correct code form of a
2471         jal instruction.  Add clobbers of $18 instead of uses.
2472         Update the call to mips_emit_call_insn.
2473         (mips_expand_call): Replace the SIBCALL_P argument with a
2474         mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
2475         Take a LAZY_P parameter.  Call mips16_build_call_stub first,
2476         allowing it to modify the call address.  Update the calls to
2477         mips_load_call_address and mips_emit_call_insn.
2478         (mips_split_call): New function.
2479         (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
2480         !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
2481         SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
2482         (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
2483         (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
2484         if TARGET_MIPS16.
2485         (mips_cprestore_slot): New function.
2486         (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
2487         and use mips_cprestore_slot.
2488         (mips_output_function_prologue): Handle TARGET_MIPS16 for
2489         LOADGP_OLDABI.
2490         (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
2491         then use a copygp_mips16 instruction to set up $28.
2492         (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
2493         (mips16_lay_out_constants): Call split_all_insns_noflow.
2494         (mips_reorg_process_insns): Explicitly set all_noreorder_p to
2495         false if TARGET_MIPS16.
2496         (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
2497         (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
2498         mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
2499         (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
2500         MIPS16 code.  Allow MIPS16 o32 PIC.
2501         (mips_override_options): Allow MIPS16 o32 PIC.
2502         * config/mips/mips.md: Lower CONST_GP_P moves into register moves
2503         after reload if TARGET_USE_GOT.
2504         (UNSPEC_COPYGP): New constant.
2505         (length): Use a default length of 8 for MIPS16 GOT loads.
2506         (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
2507         (*got_page<mode>): Check mips_split_hi_p.
2508         (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
2509         (unspec_got<mode>, unspec_call<mode>): New expanders.
2510         (load_got<mode>, load_call<mode>): Remove the length attributes.
2511         Use a got attribute instead of a type attribute.
2512         (copygp_mips16): New insn.
2513         (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
2514         (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
2515         (sibcall, sibcall_value, call, call_value): Update the calls
2516         to mips_expand_call.
2517         (call_internal, call_value_internal): Use mips_split_call.
2518         (call_value_multiple_internal): Likewise.
2519         (call_split): Move after call_internal (the insn it is split from).
2520         (call_internal_direct, call_value_internal_direct): Turn into
2521         define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
2522         (call_direct_split, call_value_direct_split): New patterns.
2523         * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
2524         and use M16_REGS instead of M16_NA_REGS.
2525         * config/mips/predicates.md (const_call_insn_operand): Replace
2526         the TARGET_ABSOLUTE_ABICALLS-based check with a more general
2527         mips_use_pic_fn_addr_reg_p check.
2528         (move_operand): Reject HIGHs if mips_split_hi_p.
2529         * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
2530         (__mips16_floatunsisf): Inline __mips16_floatsisf.
2531         (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
2532         * config/mips/libgcc-mips16.ver: New file.
2533         * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
2534         $(srcdir)/config/mips/libgcc-mips16.ver.
2535
2536 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2537
2538         * config/mips/mips.c (mips_unspec_address_offset): Move earlier in file.
2539         (mips_unspec_address, mips_unspec_offset_high): Likewise.
2540         (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
2541         (mips16_cfun_returns_in_fpr_p): Likewise.
2542
2543 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2544
2545         * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
2546         * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
2547         rather than 4 to PC.
2548
2549 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2550
2551         * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
2552         (FUNCTION_PROFILER): Save the static chain pointer into $2
2553         beforehand and restore it aftewards.
2554         (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
2555         address directly into $25 and call the function through $25;
2556         do not clobber $3.  Pad the DImode version to cover the space
2557         left by the deleted $25 <- $3 move.
2558         (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
2559         the removal of the $25 <- $3 move.
2560         (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
2561         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
2562
2563 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2564             Daniel Jacobowitz  <dan@codesourcery.com>
2565
2566         * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
2567         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
2568         (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
2569         * config/mips/mips.c (mips_start_function_definition): New function.
2570         (mips_end_function_definition): Likewise.
2571         (mips_output_function_prologue): Use mips_start_function_definition.
2572         (mips_output_function_epilogue): Use mips_end_function_definition.
2573         (build_mips16_function_stub): Use mips_start_function_definition
2574         and mips_end_function_definition.
2575         (build_mips16_call_stub): Likewise.
2576
2577 2008-08-09  Richard Guenther  <rguenther@suse.de>
2578
2579         * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
2580         * gimple.h (gimple_call_fn): Adjust comment.
2581         (gimple_call_set_fndecl): New function.
2582         (gimple_call_fndecl): Adjust for GIMPLE_CALL no
2583         longer having bare FUNCTION_DECL operand.
2584         (gimple_call_return_type): Likewise.
2585         * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
2586
2587         * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
2588         (gimple_mod_pow2): Likewise.
2589         (gimple_mod_subtract): Likewise.
2590         (gimple_ic): Likewise.
2591         (gimple_stringop_fixed_value): Likewise.
2592         (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
2593         longer having bare FUNCTION_DECL operand.
2594         * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
2595         * omp-low.c (optimize_omp_library_calls): Likewise.
2596         * cgraphunit.c (update_call_expr): Likewise.
2597         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
2598         (execute_convert_to_rsqrt): Likewise.
2599         * cfgexpand.c (gimple_to_tree): Simplify.
2600         (release_stmt_tree): Fix for GIMPLE_CALL no longer having
2601         bare FUNCTION_DECL operand.
2602         * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
2603         (convert_gimple_call): Use gimple_call_fndecl.
2604         * c-common.c (c_warn_unused_result): Likewise.
2605
2606 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2607
2608         PR c/17880
2609         * c-typeck.c (digest_init): Call verify_sequence_points from here.
2610         (c_finish_return): Likewise.
2611         (c_start_case): Likewise.
2612         * c-common.c (warn_for_collisions_1): Use explicit location in
2613         warning.
2614         * c-parser.c (c_parser_condition): New. Call
2615         verify_sequence_points.
2616         (c_parser_paren_condition): Call c_parser_condition.
2617         (c_parser_for_statement): Call c_parser_condition.
2618
2619 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2620
2621         PR 36901
2622         * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.  
2623         * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
2624         Moved from diagnostic.h
2625         (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
2626         DK_PERMERROR.
2627         (emit_diagnostic): New.
2628         (warning0, pedwarn0): Delete.
2629         (warning, warning_at, pedwarn, permerror): Return bool.  
2630         * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
2631         Moved to diagnostic.c.
2632         (struct diagnostic_context): Use correct type for
2633         classify_diagnostic.
2634         (diagnostic_report_diagnostic): Update declaration.
2635         (emit_diagnostic): Declare.
2636         * errors.c (warning): Return bool.  
2637         * errors.h (warning): Update declaration.
2638         * toplev.h (warning0, pedwarn0): Delete.
2639         (warning, warning_at, pedwarn, permerror): Return bool.
2640         * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
2641         * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
2642         inform. Update all calls.
2643         (diagnose_mismatched_decls): Check return value of warning/pedwarn
2644         before giving informative note.
2645         (implicit_decl_warning): Likewise.  
2646         * c-typeck.c (build_function_call): Likewise.  
2647         * tree-sssa.c (warn_uninit): Likewise.  
2648         * builtins.c (gimplify_va_arg_expr): Likewise.
2649
2650 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2651
2652         PR 7651
2653         * doc/invoke.texi (-Wextra): Move warning from here...
2654         (-Wuninitialized): ... to here.
2655         
2656 2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2657
2658         PR 28875
2659         * flags.h (set_Wunused): Delete
2660         * toplev.c (process_options): Handle Wunused flags here.
2661         * opts.c (maybe_warn_unused_parameter): Delete.
2662         (common_handle_option): Replace set_Wunused by warn_unused.
2663         (set_Wextra): Do not handle Wunused-parameter here.
2664         (set_Wunused): Delete.
2665         * c-opts.c (c_common_handle_option): Replace set_Wunused by
2666         warn_unused.
2667         * common.opt (Wunused): Add Var and Init.
2668         (Wunused-function): Likewise.
2669         (Wunused-label): Likewise.
2670         (Wunused-parameter): Likewise.
2671         (Wunused-value): Likewise.
2672         (Wunused-variable): Likewise.
2673         
2674 2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>
2675
2676         * doc/invoke.texi: Add cpu_type power7.
2677         * config.in (HAVE_AS_VSX): New.
2678         * config.gcc: Add cpu_type power7.
2679         * configure.ac (HAVE_AS_VSX): Check for assembler support of the
2680         VSX instructions.
2681         * configure: Regenerate.
2682         * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
2683         power5.
2684         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
2685         (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
2686         (EXTRA_SPECS): Add asm_cpu_power7 spec string.
2687
2688 2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>
2689
2690         * tree-vect-transform.c (vectorizable_conversion): Pass the integral
2691         type to vectorize.builtin_conversion.
2692         (vectorizable_conversion): Likewise.
2693         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes
2694         integral type as input.
2695         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for
2696         FIX_TRUNC_EXPR.
2697         (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
2698         and ALTIVEC_BUILTIN_VCTSXS.
2699         (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
2700         formatting. 
2701
2702 2008-08-08  Richard Guenther  <rguenther@suse.de>
2703
2704         * tree-ssa-ccp.c (likely_value): Calls are not all varying.
2705         (surely_varying_stmt_p): Calls are varying only if they are
2706         non-builtin and not indirect or have no result.
2707         (ccp_fold): Re-instantiate code before the tuples merge.
2708
2709 2008-08-08  Richard Guenther  <rguenther@suse.de>
2710
2711         PR tree-optimization/37056
2712         * gimple.h (gimple_assign_rhs_class): New helper function.
2713         * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle
2714         unary operations properly.
2715
2716 2008-08-07  Jan Hubicka  <jh@suse.cz>
2717
2718         * i386.h (ix86_size_cost): Declare.
2719         (ix86_cur_cost): New function macro.
2720         * i386.md (peepholes expanding size and splitters): Predicate by
2721         optimize_insn_for_speed_p.
2722         (peepholes reduce size and splitters): Predicate by
2723         optimize_insn_for_size_p.
2724         * i386.c (ix86_size_cost): Rename from ...
2725         (size_cost): This one.
2726         (override_options): Update.
2727         (decide_alg): Likewise.
2728         (ix86_expand_clear): Use RTL profile.
2729         (ix86_pad_returns): Use RTL profile.
2730
2731 2008-08-07  Jan Hubicka  <jh@suse.cz>
2732
2733         * recog.c (split_all_insns): Set RTL profile
2734         (peephole2_optimize): Likewise.
2735         * function.c (thread_prologue_and_epilogue_insns): Likewise.
2736         * combine.c (combine_instructions): Likewise.
2737
2738 2008-08-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2739
2740         * c-common.c (c_common_reswords): Also warn about keyword "bool".
2741
2742 2008-08-07  Bob Wilson  <bob.wilson@acm.org>
2743         
2744         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
2745         value in a6 after the set_frame_ptr insn.
2746         
2747 2008-08-07  Richard Henderson  <rth@redhat.com>
2748
2749         PR debug/37033
2750         * gcc.c (cpp_options): Pass along -g*.
2751
2752 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
2753
2754         * config/arm/arm.c (output_move_neon): Update comment describing
2755         big-endian vector layout.
2756         (arm_assemble_integer): Do not handle big-endian NEON vectors
2757         specially.
2758         * config/arm/neon.md (vec_set<mode>_internal, vec_extract<mode>,
2759         neon_vget_lane<mode>_sext_internal,
2760         neon_vget_lane<mode>_zext_internal, neon_vget_lane<mode>): Adjust
2761         element indices for big-endian.
2762
2763 2008-08-07  Richard Henderson  <rth@redhat.com>
2764
2765         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New.
2766         * configure, config.in: Rebuild.
2767         * debug.h (dwarf2out_do_cfi_asm): Declare.
2768         * c-cppbuiltin.c (c_cpp_builtins): Use it.
2769         * dwarf2out.c (dwarf2out_do_cfi_asm): New.
2770         (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info,
2771         dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it.
2772
2773 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
2774
2775         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2776         movv2si_internal): Combine into mov<mode>_internal.
2777         (movv2si_internal_2): Remove.
2778
2779 2008-08-07  Jan Hubicka  <jh@suse.cz>
2780
2781         PR target/37048
2782         * i386.md (single stringop patterns): Enable unconditionally. 
2783
2784 2008-08-07  H.J. Lu  <hongjiu.lu@intel.com>
2785
2786         PR target/36992
2787         * config/i386/emmintrin.h (_mm_move_epi64): Use
2788         __builtin_ia32_movq128.
2789
2790         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128.
2791         (bdesc_args): Add IX86_BUILTIN_MOVQ128.
2792
2793         * config/i386/sse.md (sse2_movq128): New.
2794
2795         * doc/extend.texi: Document __builtin_ia32_movq128.
2796
2797 2008-08-07  Richard Guenther  <rguenther@suse.de>
2798
2799         PR middle-end/37042
2800         * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all
2801         pointers can access anything.
2802
2803 2008-08-06  Jan Hubicka  <jh@suse.cz>
2804
2805         * optabs.c (emit_unop_insn): Break out to ...
2806         (maybe_emit_unop_insn): ... this one.
2807         (expand_sfix_optab): Use maybe variant.
2808         * optabs.h (maybe_emit_unop_insn): Declare.
2809
2810         * i386.md (mov0 patterns): Enable by default.
2811         (FP conversion expanders): Disable expansion of code expanding
2812         sequences when instruction should be optimized for size.
2813         (single strinop patterns): Enable when optimizing for size.
2814         (string expanders): Disable expanding of code expanding sequences
2815         when optimizning instruction for size.
2816         * i386.c (ix86_expand_vector_move_misalign): Do code size optimization
2817         per BB basis.
2818         (ix86_fp_comparison_sahf_cost): Likewise.
2819         (ix86_expand_branch): Likewise.
2820         (ix86_expand_ashl_const): Likewise.
2821         (ix86_split_ashl): Likewise.
2822         (ix86_expand_strlen): Likewise.
2823         (ix86_emit_fp_unordered_jump): Likewie.
2824
2825 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2826
2827         * c-common.c: Fix typo.
2828         (c_common_reswords): Activate more C++ keyword warnings.
2829
2830         * matrix-reorg.c (compute_offset): Avoid C++ keywords.
2831
2832 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2833
2834         PR 26785
2835         * diagnostic.c (permerror_at): New.
2836         * toplev.h (permerror_at): Declare.
2837         
2838 2008-08-06  Victor Kaplansky  <victork@il.ibm.com>
2839             Ira Rosen  <irar@il.ibm.com>
2840
2841         * tree-vect-transform.c (vect_model_simple_cost): Return
2842         immediately if stmt is pure SLP.
2843         (vect_model_store_cost): Ditto.
2844         (vect_model_load_cost): Ditto.
2845         (vectorizable_store): Remove PURE_SLP check before call
2846         to vect_model_store_cost.
2847         (vect_model_store_cost): When checking whether stmt describe
2848         strided access, add a check that it is not slp_node.
2849
2850 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2851
2852         PR 8715
2853         * c-common.c (warn_for_sign_compare): New. Handle separately the
2854         case that 'constant' is zero.
2855         * c-typeck.c (build_binary_op): Move code to c-common.c
2856         
2857 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2858
2859         * config/alpha/alpha.c (alpha_preferred_reload_class,
2860         alpha_secondary_reload, alpha_emit_set_const_1, function_value,
2861         alpha_output_mi_thunk_osf): Avoid C++ keywords.
2862         * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise.
2863         * config/arm/arm.md: Likewise.
2864         * config/avr/avr-protos.h (preferred_reload_class,
2865         test_hard_reg_class, avr_simplify_comparison_p,
2866         out_shift_with_cnt, class_max_nregs): Likewise.
2867         * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p,
2868         output_movqi, output_movhi, output_movsisf, out_shift_with_cnt,
2869         preferred_reload_class, test_hard_reg_class): Likewise.
2870         * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok,
2871         bfin_memory_move_cost, bfin_secondary_reload,
2872         bfin_output_mi_thunk): Likewise.
2873         * config/crx/crx.c (crx_secondary_reload_class,
2874         crx_memory_move_cost): Likewise.
2875         * config/frv/frv-protos.h (frv_secondary_reload_class,
2876         frv_class_likely_spilled_p, frv_class_max_nregs): Likewise.
2877         * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg,
2878         frv_secondary_reload_class, frv_class_likely_spilled_p,
2879         frv_class_max_nregs): Likewise.
2880         * config/h8300/h8300.c (h8300_classify_operand,
2881         h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count):
2882         Likewise.
2883         * config/i386/winnt.c (i386_pe_declare_function_type): Likewise.
2884         * config/ia64/ia64.c (ia64_preferred_reload_class,
2885         ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise.
2886         * config/iq2000/iq2000.c (gen_int_relational): Likewise.
2887         * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare):
2888         Likewise.
2889         * config/m68hc11/m68hc11.c (preferred_reload_class,
2890         m68hc11_memory_move_cost): Likewise.
2891         * config/mcore/mcore.c (mcore_secondary_reload_class,
2892         mcore_reload_class): Likewise.
2893         * config/mips/mips.c (mips_hard_regno_mode_ok_p,
2894         mips_class_max_nregs, mips_cannot_change_mode_class,
2895         mips_preferred_reload_class, mips_secondary_reload_class,
2896         mips_output_mi_thunk): Likewise.
2897         * config/mmix/mmix.c (mmix_preferred_reload_class,
2898         mmix_preferred_output_reload_class, mmix_secondary_reload_class):
2899         Likewise.
2900         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
2901         Likewise.
2902         * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions,
2903         pa_can_combine_p, pa_cannot_change_mode_class): Likewise.
2904         * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2905         * config/rs6000/rs6000.c (paired_expand_vector_init,
2906         rs6000_secondary_reload_class, rs6000_output_mi_thunk,
2907         compare_section_name, rs6000_memory_move_cost): Likewise.
2908         * config/s390/s390.c (s390_emit_compare_and_swap,
2909         s390_preferred_reload_class, s390_secondary_reload,
2910         legitimize_pic_address, legitimize_tls_address,
2911         legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic,
2912         s390_class_max_nregs): Likewise.
2913         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2914         * config/s390/s390.md: Likewise.
2915         * config/score/score-protos.h (score_secondary_reload_class,
2916         score_preferred_reload_class): Likewise.
2917         * config/score/score.c (score_preferred_reload_class,
2918         score_secondary_reload_class): Likewise.
2919         * config/score/score3.c (score3_output_mi_thunk,
2920         score3_preferred_reload_class, score3_secondary_reload_class,
2921         score3_hard_regno_mode_ok): Likewise.
2922         * config/score/score3.h (score3_preferred_reload_class,
2923         score3_secondary_reload_class): Likewise.
2924         * config/score/score7.c (score7_output_mi_thunk,
2925         score7_preferred_reload_class, score7_secondary_reload_class,
2926         score7_hard_regno_mode_ok): Likewise.
2927         * config/score/score7.h (score7_preferred_reload_class,
2928         score7_secondary_reload_class): Likewise.
2929         * config/sh/sh.c (prepare_move_operands, output_far_jump,
2930         output_branchy_insn, add_constant, gen_block_redirect,
2931         sh_insn_length_adjustment, sh_cannot_change_mode_class,
2932         sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload):
2933         Likewise.
2934         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2935         * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi,
2936         xstormy16_output_cbranch_si, xstormy16_secondary_reload_class,
2937         xstormy16_preferred_reload_class): Likewise.
2938         * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap,
2939         xtensa_expand_atomic, override_options,
2940         xtensa_preferred_reload_class, xtensa_secondary_reload_class):
2941         Likewise.
2942         * reorg.c (try_merge_delay_insns): Likewise.
2943         * tree.c (merge_dllimport_decl_attributes): Likewise.
2944
2945         * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA.
2946
2947 2008-08-06  Michael Matz  <matz@suse.de>
2948
2949         * Makefile.in (write_entries_to_file): Quote words.
2950         * gengtype.c: (read_input_line): Skip over leading white-space.
2951
2952 2008-08-06  Marc Gauthier  <marc@tensilica.com>
2953
2954         * config.gcc: Match more processor names for Xtensa.
2955         * configure.ac: Likewise.
2956         * doc/install.texi (Specific): Likewise.
2957         * configure: Regenerate.
2958
2959 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2960
2961         * builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
2962         * calls.c (avoid_likely_spilled_reg): Likewise.
2963         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
2964         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
2965         * config/i386/i386.c (ix86_expand_special_args_builtin,
2966         ix86_secondary_reload): Likewise.
2967         * except.c (struct eh_region, gen_eh_region_catch,
2968         remove_unreachable_regions, duplicate_eh_regions,
2969         assign_filter_values, build_post_landing_pads,
2970         sjlj_find_directly_reachable_regions, remove_eh_handler,
2971         reachable_next_level, foreach_reachable_handler,
2972         can_throw_internal_1, can_throw_external_1,
2973         collect_one_action_chain): Likewise.
2974         * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
2975         * fold-const.c (twoval_comparison_p, eval_subst): Likewise.
2976         * function.c (update_temp_slot_address, instantiate_new_reg,
2977         instantiate_virtual_regs_in_rtx,
2978         instantiate_virtual_regs_in_insn): Likewise.
2979         * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
2980         * gimplify.c (gimplify_call_expr, gimplify_init_constructor,
2981         gimplify_cleanup_point_expr): Likewise.
2982         * ipa-cp.c (ipcp_lattice_changed): Likewise.
2983         * passes.c (next_pass_1): Likewise.
2984         * print-tree.c (print_node_brief, print_node): Likewise.
2985         * profile.c (branch_prob): Likewise.
2986         * tree-dump.c (dump_register): Likewise.
2987         * tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
2988         Likewise.
2989         * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
2990         copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
2991         copy_edges_for_bb, copy_cfg_body, copy_tree_r,
2992         copy_arguments_for_versioning, copy_static_chain): Likewise.
2993         * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
2994         add_new_name_mapping, register_new_name_mapping): Likewise.
2995         * tree-mudflap.c (mf_xform_derefs): Likewise.
2996         * tree-predcom.c (struct chain, dump_chain, replace_ref_with,
2997         get_init_expr, combine_chains): Likewise.
2998         * tree-pretty-print.c (dump_generic_node): Likewise.
2999         * tree-ssa-structalias.c (create_variable_info_for): Likewise.
3000         * tree-vrp.c (simplify_cond_using_ranges): Likewise.
3001         * tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
3002         * value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
3003
3004 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3005
3006         PR middle-end/37010
3007         * calls.c (expand_call): Use the biggest preferred stack
3008         boundary.
3009
3010 2008-08-06  Michael Matz  <matz@suse.de>
3011
3012         PR target/36613
3013         * reload.c (push_reload): Merge in,out,in_reg,out_reg members
3014         for reused reload, instead of overwriting them.
3015
3016 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3017
3018         PR middle-end/37009
3019         * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
3020         for incoming stack boundary.
3021
3022         * function.c (assign_parm_find_entry_rtl): Update
3023         parm_stack_boundary.
3024
3025         * function.h (rtl_data): Add parm_stack_boundary.
3026
3027         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
3028         parm_stack_boundary for incoming stack boundary.
3029
3030 2008-08-06  Joseph Myers  <joseph@codesourcery.com>
3031
3032         * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
3033         for unrepresentable subregs or treat them as equal to other regs
3034         or subregs with the same register number.
3035
3036 2008-08-06  Aldy Hernandez  <aldyh@redhat.com>
3037
3038         PR middle-end/35432
3039         * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
3040         if want_value.
3041
3042 2008-08-06  Jan Hubicka  <jh@suse.cz>
3043
3044         * predict.c (maybe_hot_frequency_p): When profile is absent, all
3045         frequencies might be hot.
3046
3047 2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3048
3049         * reload.c (find_reloads): Force constants into literal pool
3050         also if they are wrapped in a SUBREG.
3051
3052 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3053
3054         PR target/35659
3055         * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
3056         * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
3057         Don't allow predicated instructions for data speculation.
3058         * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
3059         declaration.
3060
3061 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3062
3063         * haifa-sched.c (extend_global): Split to extend_global_data and
3064         extend_region_data.  Update all uses.
3065         (extend_all): Rename to extend_block_data.
3066
3067 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3068
3069         * sched-rgn.c (new_ready): Check if instruction can be
3070         speculatively scheduled before attempting speculation.
3071         (debug_rgn_dependencies): Remove wrongful assert.
3072
3073 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3074
3075         * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
3076         
3077 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3078         
3079         * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
3080         (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
3081         va_size, and type_size.
3082         
3083 2008-08-04  Jason Merrill  <jason@redhat.com>
3084
3085         PR c++/37016
3086         * tree-ssa.c (useless_type_conversion_p_1): Call langhook
3087         if TYPE_STRUCTURAL_EQUALITY_P is true for both types.
3088
3089 2008-08-05  Richard Henderson  <rth@redhat.com>
3090
3091         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality.
3092         * configure: Rebuild.
3093
3094 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3095
3096         PR tree-opt/37024
3097         * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p
3098         instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment
3099         is a conversion.
3100
3101 2008-08-05  Richard Henderson  <rth@redhat.com>
3102
3103         * Makefile.in (c-cppbuiltin.o): Depend on debug.h.
3104         * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
3105         * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
3106         * common.opt (fdwarf2-cfi-asm): New.
3107         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
3108         * config.in, configure: Rebuild.
3109         * dwarf2asm.c (dw2_asm_output_data_raw): New.
3110         (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): New.
3111         (dw2_force_const_mem): Externalize.
3112         * dwarf2asm.h: Update.
3113         * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
3114         generate a real label.
3115         (output_cfi_directive): New.
3116         (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
3117         (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
3118         (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
3119         and .cfi_lsda.
3120         (dwarf2out_end_epilogue): Emit .cfi_endproc.
3121         (output_loc_operands_raw, output_loc_sequence_raw): New.
3122         (output_cfa_loc_raw): New.
3123         
3124 2008-08-05  Paul Brook  <paul@codesourcery.com>
3125
3126         * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
3127         * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16.
3128         (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16.
3129         (arm_file_start): Add FPUTYPE_VFP3D16.  Rename vfp3 to vfpv3.
3130         * config/arm/arm.h (TARGET_VFPD32): Define.
3131         (TARGET_VFP3): Use TARGET_VFPD32.
3132         (fputype): Add FPUTYPE_VFP3D16.
3133         (LAST_VFP_REGNUM): Use TARGET_VFPD32.
3134         * config/arm/constraints.md ("w"): Use TARGET_VFPD32.
3135         * config/arm/arm-cores.def: Add cortex-r4f.
3136         * config/arm/arm-tune.md: Regenerate.
3137
3138 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3139
3140         * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus.
3141         Reword some comments throughout the file.
3142
3143         (MFC_MIN_DMA_LIST_ELEMENTS): New define.
3144         (MFC_MAX_DMA_LIST_ELEMENTS): Likewise.
3145         (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of MFC_MIN_DMA_LIST_ELEMENTS.
3146         (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of MFC_MAX_DMA_LIST_ELEMENTS.
3147
3148         (MFC_START_ENABLE): Remove PPU-only define.
3149         (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise.
3150         (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise.
3151
3152         (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants.
3153         (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise.
3154         (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise.
3155         (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise.
3156         (MFC_GETB_CMD, MFC_GETF_CMD): Likewise.
3157         (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise.
3158         (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise.
3159
3160         (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines.
3161         (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise.
3162         (mfc_sdcrt, mfc_sdcrtst): Likewise.
3163         (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise.
3164
3165         (spu_read_machine_status): Fix typo.
3166
3167 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3168
3169         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized
3170         SUBREG of multi-word hard register.
3171         * config/spu/spu.c (valid_subreg): Likewise.
3172         (adjust_operand): Handle SUBREGs of multi-word hard registers.
3173
3174 2008-08-04  Richard Guenther  <rguenther@suse.de>
3175
3176         * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add
3177         the candidate with the stripped base if that base is different
3178         from the original base even for offset zero.
3179
3180 2008-08-04  Richard Guenther  <rguenther@suse.de>
3181
3182         PR middle-end/36691
3183         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
3184         check for no_overflow.
3185
3186 2008-08-04  Richard Guenther  <rguenther@suse.de>
3187
3188         * tree-vect-transform.c (vectorizable_call): Fix tuplification.
3189
3190 2008-08-04  Paul Brook  <paul@codesourcery.com>
3191
3192         * cofig/arm/arm.c (thumb_core_reg_alloc_order): New.
3193         (arm_order_regs_for_local_alloc): New function.
3194         * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add
3195         prototype.
3196         * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define.
3197
3198 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3199
3200         PR target/37012
3201         * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD
3202         instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack.
3203         (ix86_expand_epilogue): Likewise.
3204
3205 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3206
3207         * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo
3208         in comments.
3209
3210 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
3211
3212         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use Yi instead of x
3213         to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES.
3214         (*movv2sf_internal_rex64): Ditto.
3215
3216 2008-08-03  Jan Hubicka  <jh@suse.cz>
3217
3218         * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
3219         expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
3220         * expmed.c (expand_smod_pow2): Likewise.
3221
3222 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
3223
3224         PR target/36992
3225         * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
3226         alternative 0 of operand 1.
3227         (*vec_concatv2di_rex64_sse): Ditto.
3228         (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
3229         of operand 1.
3230         (*sse2_storeq_rex64): Penalize allocation of "r" registers.
3231         * config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
3232         of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
3233         (*movv2sf_internal_rex64): Ditto.
3234
3235 2008-08-02  Richard Guenther  <rguenther@suse.de>
3236
3237         PR target/35252
3238         * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators.
3239         (ssedoublesizemode): New mode attribute.
3240         (sse_shufps): Call gen_sse_shufps_v4sf.
3241         (sse_shufps_1): Macroize.
3242         (sse2_shufpd): Call gen_Sse_shufpd_v2df.
3243         (sse2_shufpd_1): Macroize.
3244         (vec_extract_odd, vec_extract_even): New expanders.
3245         (vec_interleave_highv4sf, vec_interleave_lowv4sf,
3246         vec_interleave_highv2df, vec_interleave_lowv2df): Likewise.
3247         * i386.c (ix86_expand_vector_init_one_nonzero): Call
3248         gen_sse_shufps_v4sf instead of gen_sse_shufps_1.
3249         (ix86_expand_vector_set): Likewise.
3250         (ix86_expand_reduc_v4sf): Likewise.
3251
3252 2008-08-01  Doug Kwan  <dougkwan@google.com>
3253
3254         * matrix-reorg.c: Re-enable all code.
3255         (struct malloc_call_data): Change CALL_STMT to gimple type.
3256         (collect_data_for_malloc_call): Tuplify.
3257         (struct access_site_info): Change STMT to gimple type.
3258         (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT,
3259         and MALLOC_FOR_LEVEL to gimple and gimple pointer type.
3260         (struct free_info): Change STMT to gimple type.
3261         (struct matrix_access_phi_node):  Change PHI to gimple type.
3262         (get_inner_of_cast_expr): Remove.
3263         (may_flatten_matrices_1): Tuplify.
3264         (may_flatten_matrices): Ditto.
3265         (mark_min_matrix_escape_level): Ditto.
3266         (ssa_accessed_in_tree): Refactor statement RHS related code into ...
3267         (ssa_accessed_in_call_rhs): New
3268         (ssa_accessed_in_assign_rhs): New
3269         (record_access_alloc_site_info): Tuplify.
3270         (add_allocation_site): Ditto.
3271         (analyze_matrix_allocation_site): Ditto.
3272         (analyze_transpose): Ditto.
3273         (get_index_from_offset): Ditto.
3274         (update_type_size): Ditto.
3275         (analyze_accesses_for_call_expr): Tuplify and renamed into ...
3276         (analyze_accesses_for_call_stmt): New. Also handle LHS of a call.
3277         (analyze_accesses_for_phi_node): Tuplify.
3278         (analyze_accesses_for_modify_stmt): Tuplify and renamed into ...
3279         (analyze_accesses_for_assign_stmt): Remove code for handling call LHS.
3280         (analyze_matrix_accesses): Tuplify.
3281         (check_var_data): New call-back type for check_var_notmodified_p.
3282         (check_var_notmodified_p): Tuplify and use call-back struct to
3283         return statement found.
3284         (can_calculate_expr_before_stmt): Factor out statement related code
3285         into ...
3286         (can_calculate_stmt_before_stmt): New.
3287         (check_allocation_function): Tuplify.
3288         (find_sites_in_func): Ditto.
3289         (record_all_accesses_in_func): Ditto.
3290         (transform_access_sites): Ditto.
3291         (transform_allocation_sites): Ditto.
3292         (matrix_reorg): Re-enable.
3293         (gate_matrix_reorg): Re-enable.
3294
3295 2008-08-01  Jakub Jelinek  <jakub@redhat.com>
3296
3297         * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size
3298         for labels for which it hasn't been set yet.  If it has been set,
3299         stop walking insns and continue with next worklist item.
3300         (dwarf2out_stack_adjust): Don't call compute_barrier_args_size
3301         if the only BARRIER is at the very end of a function.
3302
3303 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3304
3305         * cfgexpand.c (expand_stack_alignment): Assert that
3306         stack_realign_drap and drap_rtx must match.
3307
3308         * function.c (instantiate_new_reg): If DRAP is used to realign
3309         stack, replace virtual_incoming_args_rtx with internal arg
3310         pointer.
3311
3312 2008-08-01  Richard Guenther  <rguenther@suse.de>
3313
3314         * tree-ssa-pre.c (fini_pre): Take in_fre parameter.  Free
3315         loop information only if we initialized it.
3316         (execute_pre): Call fini_pre with in_fre.
3317         * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
3318         if we do not unroll because we hit max-completely-peeled-insns.
3319         Use our estimation for consistency, do allow shrinking.
3320
3321 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3322
3323         * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY
3324         with MIN_STACK_BOUNDARY.
3325         (ix86_update_stack_boundary): Likewise.
3326         (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of
3327         STACK_BOUNDARY.
3328
3329         * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ...
3330         (MIN_STACK_BOUNDARY): This.
3331
3332 2008-08-01  Richard Guenther  <rguenther@suse.de>
3333
3334         PR middle-end/36997
3335         * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.
3336
3337 2008-08-01  Richard Guenther  <rguenther@suse.de>
3338
3339         PR tree-optimization/36988
3340         * tree-ssa-ccp.c (ccp_fold): Conversions of constants only
3341         do not matter if that doesn't change volatile qualification.
3342
3343 2008-08-01  Paolo Bonzini  <bonzini@gnu.org>
3344
3345         * configure.ac: Do not generate libada-mk.  Do not subst
3346         host_cc_for_libada.
3347         * libada-mk.in: Remove.
3348         * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars.
3349         * configure: Regenerate.
3350
3351 2008-08-01  Basile Starynkevitch  <basile@starynkevitch.net>
3352
3353         * tree-pass.h: Added comment about not dumping passes with name
3354         starting with star in struct opt_pass.
3355         * passes.c (register_dump_files_1): Don't do dump for a pass with
3356         name starting with star.
3357         * doc/passes.texi (Pass manager): Mention pass names and special
3358         meaning of star prefix to avoid dump.
3359
3360 2008-07-31  Adam Nemet  <anemet@caviumnetworks.com>
3361
3362         * config.gcc (mipsisa64r2*-*-linux*): New configuration.  Set ISA
3363         to MIPS64r2.
3364         * config/mips/mips.h (GENERATE_MIPS16E): Update comment.
3365         (ISA_MIPS64R2): New macro.
3366         (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it.
3367         (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE,
3368         ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE,
3369         ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO,
3370         ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH,
3371         ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS,
3372         ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2.
3373         (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2.
3374         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF):
3375         Move up to keep list alphabetically sorted.
3376         (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise.
3377         * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2
3378         processor.
3379         * doc/invoke.texi (MIPS Options): Add -mips64r2.
3380         (-march=@var{arch}): Add mips64r2.
3381
3382 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3383
3384         * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128.
3385
3386 2008-07-31  Steve Ellcey  <sje@cup.hp.com>
3387
3388         * expr.c (expand_assignment): Check for complete type.
3389
3390 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3391
3392         PR debug/36977
3393         * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried.
3394
3395         * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried
3396         for stack alignment.
3397
3398         * function.h (rtl_data): Add stack_realign_tried.  Update comments.
3399
3400 2008-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>
3401
3402         * config/sh/sh.c (sh_canonical_va_list_type): Remove.
3403         (TARGET_CANONICAL_VA_LIST_TYPE): Remove.
3404
3405 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
3406
3407         PR rtl-optimization/36419
3408         * dwarf2out.c (barrier_args_size): New variable.
3409         (compute_barrier_args_size, compute_barrier_args_size_1): New
3410         functions.
3411         (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
3412         if not called yet in the current function, use barrier_args_size
3413         array to find the new args_size value.
3414         (dwarf2out_frame_debug): Free and clear barrier_args_size.
3415
3416 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3417
3418         PR debug/36980
3419         * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before
3420         rule 19.
3421
3422 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3423
3424         PR debug/36976
3425         * dwarf2out.c (dwarf2out_args_size_adjust): New.
3426         (dwarf2out_stack_adjust): Use it.
3427         (dwarf2out_frame_debug_expr): Likewise.
3428
3429 2008-07-31  Richard Guenther  <rguenther@suse.de>
3430
3431         PR tree-optimization/36978
3432         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
3433         the generated condition.
3434
3435 2008-07-31  Richard Guenther  <rguenther@suse.de>
3436
3437         * passes.c (init_optimization_passes): Always call
3438         pass_early_warn_uninitialized.
3439         * opts.c (decode_options): Do not warn about -Wuninitialized at -O0.
3440         * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0.
3441         * doc/passes.texi (Warn for uninitialized variables): Adjust.
3442
3443 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
3444
3445         PR c/36970
3446         * builtins.c (maybe_emit_free_warning): New function.
3447         (expand_builtin): Process BUILT_IN_FREE even at -O0.  Call
3448         maybe_emit_free_warning for BUILT_IN_FREE.
3449
3450         PR debug/36278
3451         * dwarf2out.c (get_context_die): New function.
3452         (force_decl_die, force_type_die): Use it.
3453         (dwarf2out_imported_module_or_decl): Likewise.  If base_type_die
3454         returns NULL, force generation of DW_TAG_typedef and put that into
3455         DW_AT_import.
3456
3457         PR preprocessor/36649
3458         * c-pch.c (c_common_read_pch): Save and restore
3459         line_table->trace_includes across PCH restore.
3460
3461 2008-07-30  Eric Botcazou  <ebotcazou@adacore.com>
3462
3463         PR ada/36554
3464         * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.
3465
3466 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
3467
3468         PR 36974
3469         * final.c (call_from_call_insn): Handle COND_EXEC.
3470
3471 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
3472
3473         * builtins.c (std_gimplify_va_arg_expr): Replace
3474         PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
3475         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3476
3477 2008-07-30  Joey Ye  <joey.ye@intel.com>
3478             H.J. Lu  <hongjiu.lu@intel.com>
3479
3480         * builtins.c (expand_builtin_setjmp_receiver): Replace
3481         virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
3482         (expand_builtin_apply_args_1): Likewise.
3483         (expand_builtin_longjmp): Need DRAP for stack alignment.
3484         (expand_builtin_apply): Likewise.
3485
3486         * caller-save.c (setup_save_areas): Call assign_stack_local_1
3487         instead of assign_stack_local to allow alignment reduction.
3488
3489         * calls.c (emit_call_1): Need DRAP for stack alignment if
3490         return pops.
3491         (expand_call): Replace virtual_incoming_args_rtx with
3492         crtl->args.internal_arg_pointer.
3493         * stmt.c (expand_nl_goto_receiver): Likewise.
3494
3495         * cfgexpand.c (get_decl_align_unit): Estimate stack variable
3496         alignment and store to stack_alignment_estimated and
3497         max_used_stack_slot_alignment.
3498         (expand_one_var): Likewise.
3499         (expand_stack_alignment): New function.
3500         (tree_expand_cfg): Initialize max_used_stack_slot_alignment
3501         and stack_alignment_estimated fields in rtl_data.  Call
3502         expand_stack_alignment at end.
3503
3504         * defaults.h (INCOMING_STACK_BOUNDARY): New.
3505         (MAX_STACK_ALIGNMENT): Likewise.
3506         (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
3507         (SUPPORTS_STACK_ALIGNMENT): Likewise.
3508
3509         * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
3510         stack alignment when generating virtual registers.
3511
3512         * function.c (assign_stack_local): Renamed to ...
3513         (assign_stack_local_1): This.  Add a parameter to indicate
3514         if it is OK to reduce alignment.
3515         (assign_stack_local): Use it.
3516         (instantiate_new_reg): Instantiate virtual incoming args rtx
3517         to vDRAP if stack realignment and DRAP is needed.
3518         (assign_parms): Collect parameter/return type alignment and
3519         contribute to stack_alignment_estimated.
3520         (locate_and_pad_parm): Likewise.
3521         (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
3522         with crtl->args.internal_arg_pointer.
3523
3524         * function.h (rtl_data): Add new field drap_reg,
3525         max_used_stack_slot_alignment, stack_alignment_estimated,
3526         stack_realign_needed, need_drap, stack_realign_processed and
3527         stack_realign_finalized.
3528         (stack_realign_fp): New macro.
3529         (stack_realign_drap): Likewise.
3530
3531         * global.c (compute_regsets): Frame pointer is needed when
3532         stack is realigned.  Can eliminate frame pointer when stack is
3533         realigned and dynamic realigned argument pointer isn't used.
3534
3535         * reload1.c (update_eliminables):  Frame pointer is needed
3536         when stack is realigned.
3537         (init_elim_table): Can eliminate frame pointer when stack is
3538         realigned and dynamic realigned argument pointer isn't used.
3539
3540         * rtl.h (assign_stack_local_1): Declare new funtion.
3541
3542         * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
3543         (TARGET_GET_DRAP_RTX): Likewise.
3544         (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
3545         TARGET_GET_DRAP_RTX.
3546
3547         * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx.
3548
3549         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
3550         STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
3551
3552 2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
3553             H.J. Lu  <hongjiu.lu@intel.com>
3554
3555         * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
3556         vdrap_reg, stack_realign and drap_reg_saved.
3557         (add_cfi): Don't allow redefining CFA when DRAP is used.
3558         (reg_save): Handle stack alignment.
3559         (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
3560         alignment.  Don't generate DWARF information for (set fp sp)
3561         when DRAP is used.
3562         (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
3563         to INVALID_REGNUM.
3564         (int_loc_descriptor): Move prototype forward.  Also define if
3565         DWARF2_UNWIND_INFO is true.
3566         (output_cfa_loc): Handle DW_CFA_expression.
3567         (build_cfa_aligned_loc): New.
3568         (based_loc_descr): Update assert for stack realign.  For local
3569         variables, use sp+offset when stack is aligned without drap and
3570         fp+offset when stack is aligned with drap.  For arguments, use
3571         cfa+offset when drap is used to align stack.
3572
3573 2008-07-30  Joey Ye  <joey.ye@intel.com>
3574             H.J. Lu  <hongjiu.lu@intel.com>
3575
3576         * config/i386/i386.c (ix86_force_align_arg_pointer_string):
3577         Break long line.
3578         (ix86_gen_andsp): New.
3579         (ix86_user_incoming_stack_boundary): Likewise.
3580         (ix86_default_incoming_stack_boundary): Likewise.
3581         (ix86_incoming_stack_boundary): Likewise.
3582         (ix86_can_eliminate): Likewise.
3583         (find_drap_reg): Likewise.
3584         (ix86_update_stack_boundary): Likewise.
3585         (ix86_get_drap_rtx): Likewise.
3586         (ix86_finalize_stack_realign_flags): Likewise.
3587         (TARGET_UPDATE_STACK_BOUNDARY): Likewise.
3588         (TARGET_GET_DRAP_RTX): Likewise.
3589         (override_options): Overide option value for new options.
3590         (ix86_function_ok_for_sibcall): Remove check for
3591         force_align_arg_pointer.
3592         (ix86_handle_cconv_attribute): Likewise.
3593         (ix86_function_regparm): Likewise.
3594         (setup_incoming_varargs_64): Don't set stack_alignment_needed here.
3595         (ix86_va_start): Replace virtual_incoming_args_rtx with
3596         crtl->args.internal_arg_pointer.
3597         (ix86_select_alt_pic_regnum): Check DRAP register.
3598         (ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
3599         (ix86_compute_frame_layout): Compute frame layout wrt stack
3600         realignment.
3601         (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx.
3602         (ix86_expand_prologue): Decide if stack realignment is needed
3603         and generate prologue code accordingly.
3604         (ix86_expand_epilogue): Generate epilogue code wrt stack
3605         realignment is really needed or not.
3606         
3607         * config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
3608         (ABI_STACK_BOUNDARY): Likewise.
3609         (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
3610         (STACK_REALIGN_DEFAULT): Likewise.
3611         (INCOMING_STACK_BOUNDARY): Likewise.
3612         (MAX_STACK_ALIGNMENT): Likewise.
3613         (ix86_incoming_stack_boundary): Likewise.
3614         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
3615         (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
3616         (CAN_ELIMINATE): Defined with ix86_can_eliminate.
3617         (machine_function): Remove force_align_arg_pointer.
3618
3619         * config/i386/i386.md (BX_REG): New.
3620         (R13_REG): Likewise.
3621
3622         * config/i386/i386.opt (mforce_drap): New.
3623         (mincoming-stack-boundary): Likewise.
3624         (mstackrealign): Add Init(-1).
3625
3626         * config/i386/i386-protos.h (ix86_can_eliminate): New
3627
3628 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
3629
3630         * doc/extend.texi: Update force_align_arg_pointer.
3631
3632         * doc/invoke.texi: Document -mincoming-stack-boundary.  Update
3633         -mstackrealign.
3634
3635         * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
3636         (INCOMING_STACK_BOUNDARY): Likewise.
3637         (TARGET_UPDATE_STACK_BOUNDARY): New target hook.
3638         (TARGET_GET_DRAP_RTX): Likewise.
3639
3640 2008-07-30  Andreas Schwab  <schwab@suse.de>
3641
3642         PR rtl-optimization/36929
3643         * dse.c (replace_inc_dec): Use emit_insn_before instead of
3644         add_insn_before and fix argument order.
3645         (replace_inc_dec_mem): Handle NULL rtx.
3646
3647 2008-07-30  Andrew Jenner  <andrew@codesourcery.com>
3648
3649         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New
3650         function.
3651         (arm_compute_initial_elimination_offset): Use it.
3652         (arm_compute_save_reg_mask): Include static chain save slot when
3653         calculating alignment.
3654         (arm_get_frame_offsets): Ditto.
3655         (thumb1_compute_save_reg_mask): Ensure we have a low register saved
3656         that we can use to decrement the stack when the stack decrement
3657         could be too big for an immediate value in a single insn.
3658         (thumb1_expand_prologue): Avoid using r12 for stack decrement.
3659
3660 2008-07-30  Richard Guenther  <rguenther@suse.de>
3661
3662         PR tree-optimization/36967
3663         * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p.
3664         Release defs of statements we remove.
3665
3666 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
3667
3668         * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
3669         instead of NULL_RTVEC.
3670
3671 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
3672
3673         PR target/35866
3674
3675         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for
3676         vector modes.
3677
3678 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
3679
3680         * final.c (call_from_call_insn): New.
3681         (final_scan_insn): Call assemble_external on FUNCTION_DECLs.
3682
3683 2008-07-30  Paolo Bonzini  <bonzini@gnu.org>
3684
3685         * configure.ac: Substitute ADA_CFLAGS.
3686         * configure: Regenerate.
3687         * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files.
3688         * Makefile.in: Remove mention of X_* variables.
3689         * config/pa/x-ada-hpux10: Remove.
3690         * config/pa/x-ada: Remove.
3691
3692         * doc/fragments.texi: Update.
3693
3694 2008-07-30  Olivier Hainque  <hainque@adacore.com>
3695
3696         * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini.
3697         * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide
3698         __dso_handle explicitly here.
3699
3700 2008-07-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3701
3702         PR 34389
3703         * c-typeck.c (build_binary_op): Encapsulate code into...
3704         * c-common.c (shorten_binary_op): ...this new function.
3705         (conversion_warning): Use the new function. Handle non-negative
3706         constant in bitwise-and.
3707         * c-common.h (shorten_binary_op): Declare.
3708
3709 2008-07-30  Olivier Hainque  <hainque@adacore.com>
3710
3711         * scan.c (make_sstring_space): Add explicit conversions of
3712         allocator's return value.
3713         * fix-header.c (recognized_function): Likewise.
3714
3715 2008-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3716
3717         * doc/cpp.texi: Update to GFDL 1.2.
3718         * doc/gcc.texi: Do not list GPL as Invariant Section.
3719         * doc/gccint.texi: Likewise.  Update copyright years.
3720         * doc/install.texi: Update copyright years.
3721
3722 2008-07-30  Alan Modra  <amodra@bigpond.net.au>
3723
3724         PR target/36955
3725         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add
3726         a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls.
3727
3728 2008-07-29  Jan Hubicka  <jh@suse.cz>
3729
3730         * c-decl.c (merge_decls): Do not handle DECL_INLINE.
3731         (grokdeclarator): Likewise.
3732         * langhooks.c (lhd_warn_unused_global_decl): Use
3733         DECL_DECLARED_INLINE_P.
3734         * print-tree.c (print_node): Remove DECL_INLINE check.
3735
3736 2008-07-29  Richard Guenther  <rguenther@suse.de>
3737
3738         PR tree-optimization/36945
3739         * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
3740         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
3741         Record invariant addresses un-decomposed.
3742         (copy_reference_ops_from_call): Record reference call
3743         arguments properly.  Simplify.
3744         * tree-ssa-pre.c (create_component_ref_by_pieces_1): New
3745         helper split out from ...
3746         (create_component_ref_by_pieces): ... here.  Simplify.
3747         Prepare for recursive invocation for call arguments.
3748         (create_expression_by_pieces): Adjust call to
3749         create_component_ref_by_pieces.
3750         (compute_avail): Process operand 2 of reference ops.
3751
3752 2008-07-29  Richard Guenther  <rguenther@suse.de>
3753
3754         * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.
3755
3756 2008-07-29  Jakub Jelinek  <jakub@redhat.com>
3757
3758         * c-format.c (check_format_types): Revert unwanted checkin.
3759
3760 2008-07-29  Jan Hubicka  <jh@suse.cz>
3761
3762         * flags.h (flag_really_no_inline): Remove.
3763         * cgraph.c (cgraph_function_possibly_inlined_p): Simplify.
3764         * toplev.c (flag_really_no_inline): Remove.
3765         * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline.
3766         * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline.
3767         (cgraph_decide_inlining_incrementally): Likewise.
3768         (compute_inline_parameters): Likewise.
3769         * opts.c (decode_options): Simplify.
3770         * c-opts.c (c_common_post_options): Do not set flag_no_inline.
3771         * common.opt (finline): Initialize to 1.
3772         * tree-inline.c (inlinable_function_p): Check flag_no_inline.
3773
3774 2008-07-29  Jan Hubicka  <jh@suse.cz>
3775
3776         * predict.c (always_optimize_for_size_p): New function.
3777         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
3778         optimize_edge_for_size_p, optimize_edge_for_speed_p,
3779         optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
3780         functions.
3781         (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
3782         * function.c (prepare_function_start): Set default profile.
3783         * function.h (rtl_data): Add maybe_hot_insn_p.
3784         * cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
3785         (construct_exit_block): Likewise.
3786         (tree_expand_cfg): Likewise.
3787         * basic-block.h
3788         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
3789         optimize_edge_for_size_p, optimize_edge_for_speed_p,
3790         optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
3791         (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
3792         Declare.
3793
3794 2008-07-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3795
3796         PR 34985
3797         * c-decl.c (merge_decls): Merge USED flags.
3798
3799 2008-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3800
3801         * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
3802         valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
3803         next_stack, lab_false and lab_over trees.
3804
3805 2008-07-28  Richard Guenther  <rguenther@suse.de>
3806
3807         PR tree-optimization/36957
3808         * tree-flow.h (tree_ssa_useless_type_conversion): Remove.
3809         (useless_type_conversion_p): Remove.
3810         (types_compatible_p): Remove.
3811         * gimple.h (tree_ssa_useless_type_conversion): Declare.
3812         (useless_type_conversion_p): Declare.
3813         (types_compatible_p): Declare.
3814         (gimple_expr_type): Return the base type only if it is
3815         trivially convertible to the subtype.
3816
3817 2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>
3818
3819         * configure.ac: Use the m4_do macro to concatenate the warnings into
3820         one string in ACX_PROG_CC_WARNING_OPTS,
3821         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and ACX_PROG_CC_WARNINGS_ARE_ERRORS.
3822         * configure: Regenerate.
3823
3824 2008-07-28  Richard Guenther  <rguenther@suse.de>
3825
3826         * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
3827         (insert_fake_stores): Remove.
3828         (realify_fake_stores): Likewise.
3829         (execute_pre): Remove dead code.
3830         * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case.
3831         (find_func_aliases): Deal with it here instead.
3832         Re-enable gcc_unreachable call.
3833
3834 2008-07-28  Richard Guenther  <rguenther@suse.de>
3835
3836         Merge from gimple-tuples-branch.
3837
3838         * ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
3839         * gimple.def: New file.
3840         * gsstruct.def: Likewise.
3841         * gimple-iterator.c: Likewise.
3842         * gimple-pretty-print.c: Likewise.
3843         * tree-gimple.c: Removed.  Merged into ...
3844         * gimple.c: ... here.  New file.
3845         * tree-gimple.h: Removed.  Merged into ...
3846         * gimple.h: ... here.  New file.
3847
3848         * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
3849         * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
3850         --enable-checking=gimple flag.
3851         * config.in: Likewise.
3852         * configure: Regenerated.
3853
3854         * tree-ssa-operands.h: Tuplified.
3855         * tree-vrp.c: Likewise.
3856         * tree-loop-linear.c: Likewise.
3857         * tree-into-ssa.c: Likewise.
3858         * tree-ssa-loop-im.c: Likewise.
3859         * tree-dump.c: Likewise.
3860         * tree-complex.c: Likewise.
3861         * cgraphbuild.c: Likewise.
3862         * tree-ssa-threadupdate.c: Likewise.
3863         * tree-ssa-loop-niter.c: Likewise.
3864         * tree-pretty-print.c: Likewise.
3865         * tracer.c: Likewise.
3866         * gengtype.c: Likewise.
3867         * tree-loop-distribution.c: Likewise.
3868         * tree-ssa-loop-unswitch.c: Likewise.
3869         * cgraph.c: Likewise.
3870         * cgraph.h: Likewise.
3871         * tree-ssa-loop-manip.c: Likewise.
3872         * value-prof.c: Likewise.
3873         * tree-ssa-loop-ch.c: Likewise.
3874         * tree-tailcall.c: Likewise.
3875         * value-prof.h: Likewise.
3876         * tree.c: Likewise.
3877         * tree.h: Likewise.
3878         * tree-pass.h: Likewise.
3879         * ipa-cp.c: Likewise.
3880         * tree-scalar-evolution.c: Likewise.
3881         * tree-scalar-evolution.h: Likewise.
3882         * target.h: Likewise.
3883         * lambda-mat.c: Likewise.
3884         * tree-phinodes.c: Likewise.
3885         * diagnostic.h: Likewise.
3886         * builtins.c: Likewise.
3887         * tree-ssa-alias-warnings.c: Likewise.
3888         * cfghooks.c: Likewise.
3889         * fold-const.c: Likewise.
3890         * cfghooks.h: Likewise.
3891         * omp-low.c: Likewise.
3892         * tree-ssa-dse.c: Likewise.
3893         * ipa-reference.c: Likewise.
3894         * tree-ssa-uncprop.c: Likewise.
3895         * toplev.c: Likewise.
3896         * tree-gimple.c: Likewise.
3897         * tree-gimple.h: Likewise.
3898         * tree-chrec.c: Likewise.
3899         * tree-chrec.h: Likewise.
3900         * tree-ssa-sccvn.c: Likewise.
3901         * tree-ssa-sccvn.h: Likewise.
3902         * cgraphunit.c: Likewise.
3903         * tree-ssa-copyrename.c: Likewise.
3904         * tree-ssa-ccp.c: Likewise.
3905         * tree-ssa-loop-ivopts.c: Likewise.
3906         * tree-nomudflap.c: Likewise.
3907         * tree-call-cdce.c: Likewise.
3908         * ipa-pure-const.c: Likewise.
3909         * c-format.c: Likewise.
3910         * tree-stdarg.c: Likewise.
3911         * tree-ssa-math-opts.c: Likewise.
3912         * tree-ssa-dom.c: Likewise.
3913         * tree-nrv.c: Likewise.
3914         * tree-ssa-propagate.c: Likewise.
3915         * ipa-utils.c: Likewise.
3916         * tree-ssa-propagate.h: Likewise.
3917         * tree-ssa-alias.c: Likewise.
3918         * gimple-low.c: Likewise.
3919         * tree-ssa-sink.c: Likewise.
3920         * ipa-inline.c: Likewise.
3921         * c-semantics.c: Likewise.
3922         * dwarf2out.c: Likewise.
3923         * expr.c: Likewise.
3924         * tree-ssa-loop-ivcanon.c: Likewise.
3925         * predict.c: Likewise.
3926         * tree-ssa-loop.c: Likewise.
3927         * tree-parloops.c: Likewise.
3928         * tree-ssa-address.c: Likewise.
3929         * tree-ssa-ifcombine.c: Likewise.
3930         * matrix-reorg.c: Likewise.
3931         * c-decl.c: Likewise.
3932         * tree-eh.c: Likewise.
3933         * c-pretty-print.c: Likewise.
3934         * lambda-trans.c: Likewise.
3935         * function.c: Likewise.
3936         * langhooks.c: Likewise.
3937         * ebitmap.h: Likewise.
3938         * tree-vectorizer.c: Likewise.
3939         * function.h: Likewise.
3940         * langhooks.h: Likewise.
3941         * tree-vectorizer.h: Likewise.
3942         * ipa-type-escape.c: Likewise.
3943         * ipa-type-escape.h: Likewise.
3944         * domwalk.c: Likewise.
3945         * tree-if-conv.c: Likewise.
3946         * profile.c: Likewise.
3947         * domwalk.h: Likewise.
3948         * tree-data-ref.c: Likewise.
3949         * tree-data-ref.h: Likewise.
3950         * tree-flow-inline.h: Likewise.
3951         * tree-affine.c: Likewise.
3952         * tree-vect-analyze.c: Likewise.
3953         * c-typeck.c: Likewise.
3954         * gimplify.c: Likewise.
3955         * coretypes.h: Likewise.
3956         * tree-ssa-phiopt.c: Likewise.
3957         * calls.c: Likewise.
3958         * tree-ssa-coalesce.c: Likewise.
3959         * tree.def: Likewise.
3960         * tree-dfa.c: Likewise.
3961         * except.c: Likewise.
3962         * except.h: Likewise.
3963         * cfgexpand.c: Likewise.
3964         * tree-cfgcleanup.c: Likewise.
3965         * tree-ssa-pre.c: Likewise.
3966         * tree-ssa-live.c: Likewise.
3967         * tree-sra.c: Likewise.
3968         * tree-ssa-live.h: Likewise.
3969         * tree-predcom.c: Likewise.
3970         * lambda.h: Likewise.
3971         * tree-mudflap.c: Likewise.
3972         * ipa-prop.c: Likewise.
3973         * print-tree.c: Likewise.
3974         * tree-ssa-copy.c: Likewise.
3975         * ipa-prop.h: Likewise.
3976         * tree-ssa-forwprop.c: Likewise.
3977         * ggc-page.c: Likewise.
3978         * c-omp.c: Likewise.
3979         * tree-ssa-dce.c: Likewise.
3980         * tree-vect-patterns.c: Likewise.
3981         * tree-ssa-ter.c: Likewise.
3982         * tree-nested.c: Likewise.
3983         * tree-ssa.c: Likewise.
3984         * lambda-code.c: Likewise.
3985         * tree-ssa-loop-prefetch.c: Likewise.
3986         * tree-inline.c: Likewise.
3987         * tree-inline.h: Likewise.
3988         * tree-iterator.c: Likewise.
3989         * tree-optimize.c: Likewise.
3990         * tree-ssa-phiprop.c: Likewise.
3991         * tree-vect-transform.c: Likewise.
3992         * tree-object-size.c: Likewise.
3993         * tree-outof-ssa.c: Likewise.
3994         * cfgloop.c: Likewise.
3995         * system.h: Likewise.
3996         * tree-profile.c: Likewise.
3997         * cfgloop.h: Likewise.
3998         * c-gimplify.c: Likewise.
3999         * c-common.c: Likewise.
4000         * tree-vect-generic.c: Likewise.
4001         * tree-flow.h: Likewise.
4002         * c-common.h: Likewise.
4003         * basic-block.h: Likewise.
4004         * tree-ssa-structalias.c: Likewise.
4005         * tree-switch-conversion.c: Likewise.
4006         * tree-ssa-structalias.h: Likewise.
4007         * tree-cfg.c: Likewise.
4008         * passes.c: Likewise.
4009         * ipa-struct-reorg.c: Likewise.
4010         * ipa-struct-reorg.h: Likewise.
4011         * tree-ssa-reassoc.c: Likewise.
4012         * cfgrtl.c: Likewise.
4013         * varpool.c: Likewise.
4014         * stmt.c: Likewise.
4015         * tree-ssanames.c: Likewise.
4016         * tree-ssa-threadedge.c: Likewise.
4017         * langhooks-def.h: Likewise.
4018         * tree-ssa-operands.c: Likewise.
4019         * config/alpha/alpha.c: Likewise.
4020         * config/frv/frv.c: Likewise.
4021         * config/s390/s390.c: Likewise.
4022         * config/m32c/m32c.c: Likewise.
4023         * config/m32c/m32c-protos.h: Likewise.
4024         * config/spu/spu.c: Likewise.
4025         * config/sparc/sparc.c: Likewise.
4026         * config/i386/i386.c: Likewise.
4027         * config/sh/sh.c: Likewise.
4028         * config/xtensa/xtensa.c: Likewise.
4029         * config/stormy16/stormy16.c: Likewise.
4030         * config/ia64/ia64.c: Likewise.
4031         * config/rs6000/rs6000.c: Likewise.
4032         * config/pa/pa.c: Likewise.
4033         * config/mips/mips.c: Likewise.
4034
4035 2008-07-28  Simon Baldwin  <simonb@google.com>
4036
4037         * c-pragma.c (handle_pragma_message): New function.
4038         (init_pragma): Register handle_pragma_message.
4039         * doc/extend.texi (Diagnostic Pragmas): Added #pragma message
4040         documentation.
4041
4042 2008-07-27  Victor Kaplansky  <victork@il.ibm.com>
4043
4044         PR tree-optimization/35252
4045         * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and
4046         REALPART_EXPR to be considered as same load operation.
4047
4048 2008-07-27  Eric Botcazou  <ebotcazou@adacore.com>
4049
4050         PR tree-optimization/36830
4051         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2.
4052         (expressions_equal_p): Return false if only one operand is null.
4053
4054 2008-07-26  Gerald Pfeifer  <gerald@pfeifer.com>
4055
4056         * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo
4057         version requirements.
4058
4059 2008-07-26  Olivier Hainque  <hainque@adacore.com>
4060
4061         * collect2.c (symkind): New enum.  Symbol kinds we care about.
4062         (is_ctor_dtor): Return symkind instead of int.  Adjust prototype,
4063         code and head comment accordingly.
4064         (scan_prog_file): Use symkind names instead of bare integers.
4065
4066 2008-07-25  Jan Hubicka  <jh@suse.cz>
4067
4068         * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on
4069         DECL_INLINE.
4070         * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE
4071         (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE.
4072         * dojump.c (clear_pending_stack_adjust): Likewise.
4073         * print-tree.c (print_node): Ignore DECL_INLINE.
4074         * tree-inline.c (inlinable_function_p): Likewise.
4075
4076 2008-07-25  Michael Meissner  <gnu@the-meissners.org>
4077
4078         * doc/extend.texi (hot attribute): Document that the hot attribute
4079         turns on -O3 for some ports.
4080         (cold attribute): Document that the cold attribute turns on -Os
4081         for some ports
4082
4083         * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to
4084         reflect function specific option support.
4085
4086         * target.h (struct target_option_hooks): Add fields to say whether
4087         the cold attribute implies -Os and the hot attribute implies -O3.
4088
4089         * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION):
4090         By default, do not turn on -Os for cold functions.
4091         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do
4092         not turn on -O3 for hot functions.
4093
4094         * c-common.c (handle_hot_attribute): Use target hook to determine
4095         if hot functions should enable -O3.
4096         (handle_cold_attribute): Use target hook to determine if cold
4097         functions should enable -Os.
4098
4099         * config/i386/i386.c (ix86_target_string): Add -m3dnowa support.
4100         (override_options): Move disable scheduling to
4101         optimization_options.
4102         (optimization_options): Disable scheduling here, not
4103         override_options.
4104         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4105         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4106
4107         * config/ia64/ia64.c (ia64_override_options): Move setting
4108         scheduling flags to ia64_optimization_options.
4109         (ia64_optimization_options): Disable scheduling options here, and
4110         not in ia64_override_options.
4111         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4112         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4113
4114 2008-07-25  H.J. Lu  <hongjiu.lu@intel.com>
4115
4116         PR target/36936
4117         * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE.
4118
4119 2008-07-25  Martin Jambor  <mjambor@suse.cz>
4120
4121         PR tree-optimization/36926
4122         * ipa-prop.c (ipa_analyze_call_uses): Call
4123         ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF.
4124
4125 2008-07-25  Joseph Myers  <joseph@codesourcery.com>
4126
4127         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4128         movv2si_internal): Add mem = reg alternative.
4129
4130 2008-07-25  Andreas Tobler  <a.tobler@schweiz.org>
4131
4132         PR bootstrap/36918
4133         * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define
4134         DEFAULT_PCC_STRUCT_RETURN to 127.
4135
4136 2008-07-24  Jan Hubicka  <jh@suse.cz>
4137
4138         * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
4139         (build_cgraph_edges): Likewise.
4140         * cgraph.c (cgraph_node): Do not update assembler hash.
4141         (cgraph_remove_node): Drop non-unit-at-a-time code.
4142         * tree-pass.h (pass_O0_always_inline): Remove.
4143         * ipa-reference.c (gate_reference): Remove unit-at-a-time check.
4144         * toplev.c (process_options): Flag unit-at-a-time does not imply
4145         no section anchors.
4146         * cgraphunit.c: Update comments.
4147         (decide_is_function_needed): Drop non-unit-at-a-time mode.
4148         (cgraph_assemble_pending_functions): Remove.
4149         (cgraph_reset_node): Drop non-unit-at-a-time code.
4150         (cgraph_finalize_function): Likewise.
4151         (cgraph_analyze_function): Likewise.
4152         (cgraph_finalize_compilation_unit): Likewise.
4153         (cgraph_expand_function): Likewise.
4154         (cgraph_optimize): Likesise.
4155         (save_inline_function_body): Likewise.
4156         * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
4157         * tree-ssa-alias.c (maybe_be_aliased): Likewise.
4158         * ipa-inline.c: Update comments.
4159         (enum inlining_mode): remove INLINE_SPEED.
4160         (cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
4161         (cgraph_mark_inline_edge): Likewise.
4162         (try_inline): Likewise.
4163         (cgraph_decide_inlining_incrementally): Likewise.
4164         (cgraph_gate_inlining): Remove.
4165         (cgraph_early_inlining): Remove flag_unit_at_a_time checks.
4166         (cgraph_gate_early_inlining): Likewise.
4167         (gate_inline_passes): Remove.
4168         (pass_inline_parameters, pass_ipa_inline): Remove gates.
4169         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
4170         pass_O0_always_inline): Remove.
4171         * c-pch.c (c_pch_matching): Remove -funit-at-a-time.
4172         * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
4173         * opts.c (no_unit_at_a_time_default): Remove.
4174         (decode_options): Remove flag_unit_at_a_time reset and warning.
4175         * opts.h (no_unit_at_a_time_default): Remove.
4176         * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
4177         early in GNU dialect.
4178         (merge_decls): Update comment; drop unit-at-a-time check.
4179         (finish_decl): Likewise.
4180         (grok_declaration): Remove flag_inline_trees code.
4181         (finish_functions): Return on function returning non-void on all
4182         statics.
4183         * ipa-tye-escape.c (gate_type_escape_vars): Remove.
4184         * cfgexpand.c (expand_one_static_var): Remove.
4185         (expand_one_var): Remove expand_one_static_var call.
4186         (expand_used_vars_for_block): Remove flag_unit_a_time check.
4187         * c-opts.c (c_common_post_options): Remove flag_inline_trees code
4188         and flag_unit_at_a-time compatibility checks.
4189         * varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
4190         * tree-inline.c (flag_inline_trees): Remove.
4191         (inlinable_function_p): Don't check it.
4192         (expand_call_inline): Remove non-unit-at-a-time code.
4193         * tree-inline.h (flag_inline_trees): Remove.
4194         * tree-optimize.c (execute_early_local_optimizations): Remove
4195         unit-at-a-time checks.
4196         (tree_rest_of_compilation): Likewise.
4197         * combine.c (setup_incoming_promotions): Likewise.
4198         * tree-profile.c (tree_gen_ic_func_profiler): Likewise.
4199         * tree-ssa-structalias.c (delete_points_to_sets): Likewise.
4200         * passes.c (pass_inline_parameters): Update comments; remove
4201         O0_alwaysinline pass.
4202         (execute_one_ipa_transform_pass): Do not reset in_gimple_form.
4203         (execute_one_pass): Likewise.
4204         * i386.c (ix86_function_regparm): Remove unit-at-a-time check.
4205         (ix86_function_sseregparm): Likewise.
4206         * arm.c (arm_function_in_section_p): Likewise.
4207         * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
4208         * varpool.c: Update comments.
4209         (decide_is_variable_needed): Remove unit-at-a-time checks.
4210         (varpool_finalize_decl): Likewise.
4211
4212 2008-07-24  Kaz Kojima  <kkojima@gcc.gnu.org>
4213
4214         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer
4215         to 2 instead of -1.
4216         (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2.
4217
4218 2008-07-24  Kai Tietz  <kai.tietz@onevision.com>
4219
4220         * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for
4221         imp symbol extension.
4222
4223         2008-07-23  Ian Lance Taylor  <iant@google.com>
4224
4225         * tree-vrp.c (infer_value_range): Ignore asm statements when
4226         looking for memory accesses for -fdelete-null-pointer-checks.
4227
4228 2008-07-24  Ben Elliston  <bje@au.ibm.com>
4229
4230         * config/spu/spu-c.c (__vector_keyword): New variable.
4231         (vector_keyword): Likewise.
4232         (spu_categorize_keyword): New function.
4233         (spu_macro_to_expand): Likewise.
4234         (spu_cpu_cpp_builtins): Enable context-sensitive macros if not
4235         compiling an ISO C dialect.
4236
4237 2008-07-24  Ben Elliston  <bje@au.ibm.com>
4238
4239         * config/rs6000/rs6000-c.c: Move GTY(()) markers to match
4240         conventional usage.
4241
4242 2008-07-23  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
4243
4244         * configure: Regenerate.
4245         * configure.ac: Require texinfo 4.7.
4246         * doc/install.texi: Document texinfo 4.7 requirement.
4247
4248 2008-07-23  Martin Jambor  <mjambor@suse.cz>
4249
4250         * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed
4251         rather than for DECL_SAVED_TREE.
4252         * ipa-prop.c: Include diagnostic.h.
4253         (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs
4254         thoroughly.
4255         (ipa_detect_param_modifications): Function rewritten from scratch.
4256         (ipa_compute_jump_functions): Changed accesses to modification flags.
4257         (ipa_free_node_params_substructures): Update flags destruction.
4258         (ipa_node_duplication_hook): Update flags duplication.
4259         (ipa_print_all_params_modified): Updated flag access.
4260         * ipa-prop.h (struct ipa_param_flags): New structure.
4261         (struct ipa_node_params): New field modification_analysis_done,
4262         modified_flags changed into param_flags.
4263         (ipa_is_ith_param_modified): Changed to use new flags.
4264         * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies.
4265
4266         * ipa-prop.c (ipa_print_all_jump_functions): Moved here from
4267         ipa-cp.c and split into two functions.
4268         (ipa_print_node_jump_functions): New function.
4269         (compute_scalar_jump_functions): New function.
4270         (type_like_member_ptr_p): New function.
4271         (compute_pass_through_member_ptrs): New function.
4272         (fill_member_ptr_cst_jump_function): New function.
4273         (determine_cst_member_ptr): New function.
4274         (compute_cst_member_ptr_arguments): New function.
4275         (ipa_compute_jump_functions): Complete rewrite.
4276         * ipa-prop.h (enum jump_func_type): Make explicit that we depend
4277         on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR.
4278         (struct ipa_member_ptr_cst): New structure.
4279         (union jump_func_value): New field member_cst.
4280         * ipa-cp.c (ipcp_lat_is_insertable): New function.
4281         (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled
4282         jump function types.
4283         (ipcp_print_all_lattices): Slight fprintf rearrangement.
4284         (ipcp_print_all_structures): Call ipa_print_all_jump_functions
4285         instead of ipcp_print_all_jump_functions.
4286         (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps
4287         only for replacable scalars.
4288
4289         * doc/invoke.texi (Optimize options): Add description of
4290         -findirect-inlining.
4291         * common.opt (flag_indirect_inlining): New flag.
4292         * opts.c (decode_options): Set flag_indirect_inlining when
4293         optimize >= 3.
4294
4295         * ipa-inline.c: Include ipa-prop.h.
4296         (inline_indirect_intraprocedural_analysis): New function.
4297         (inline_generate_summary): Allocate parameter and argument info
4298         structures, call inline_indirect_intraprocedural_analysis on each
4299         node when doing indirect inlining and deallocate indirect inlining
4300         data structures in the end.
4301         * ipa-prop.c (ipa_create_param_decls_array): Return if already done.
4302         (free_all_ipa_structures_after_iinln): New function.
4303         (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be
4304         done.
4305         * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies.
4306
4307         * cgraphbuild.c (compute_call_stmt_bb_frequency): New function.
4308         (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead
4309         of computing the frequency separately.
4310         (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead
4311         of computing the frequency separately.
4312         * ipa-cp.c (ipcp_print_all_structures): Replace a call to
4313         ipa_print_all_param_modified with a call to ipa_print_all_param_flags.
4314         * ipa-prop.c (ipa_get_member_ptr_load_param): New function.
4315         (ipa_get_stmt_member_ptr_load_param): New function.
4316         (ipa_is_ssa_with_stmt_def): New function.
4317         (ipa_note_param_call): New function.
4318         (ipa_analyze_call_uses): New function.
4319         (ipa_analyze_stmt_uses): New function.
4320         (ipa_analyze_params_uses): New function.
4321         (ipa_free_node_params_substructures): Also free the param_calls linked
4322         list.
4323         (ipa_node_duplication_hook): Also duplicate the param_calls linked list.
4324         (ipa_print_node_param_flags): New function.
4325         (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags.
4326         (ipa_print_all_param_flags): Calls ipa_print_node_param_flags.
4327         * ipa-prop.h (struct ipa_param_flags): New field called.
4328         (struct ipa_param_call_note): New structure.
4329         (struct ipa_node_params): New fields param_calls and
4330         uses_analysis_done.
4331         (ipa_is_ith_param_called): New function.
4332         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
4333         ipa_analyze_params_uses and dump parameter flags.
4334
4335         * ipa-inline.c (cgraph_decide_recursive_inlining): Call
4336         ipa_propagate_indirect_call_infos if performing indirect inlining,
4337         pass a new parameter new_edges to it.
4338         (add_new_edges_to_heap): New fucntion.
4339         (cgraph_decide_inlining_of_small_functions): New vector
4340         new_indirect_edges for newly found indirect edges , call
4341         ipa_propagate_indirect_call_infos after inlining.
4342         (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after
4343         inlining if performing indirect inlining.  Call
4344         free_all_ipa_structures_after_iinln when doing so too.
4345         (inline_generate_summary): Do not call
4346         free_all_ipa_structures_after_iinln here.
4347         * ipa-prop.c (update_jump_functions_after_inlining): New function.
4348         (print_edge_addition_message): New function.
4349         (update_call_notes_after_inlining): New function.
4350         (propagate_info_to_inlined_callees): New function.
4351         (ipa_propagate_indirect_call_infos): New function.
4352         * ipa-prop.h: Include cgraph.h
4353         (struct ipa_param_call_note): Fields reordered, new field processed.
4354         * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new
4355         flag indirect_call.
4356         * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have
4357         rediscovered call statements.
4358         * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero.
4359         (dump_cgraph_node): Dump also the indirect_call flag.
4360         (cgraph_clone_edge): Copy also the indirect_call flag.
4361         * tree-inline.c (copy_bb): Do not check for fndecls from call
4362         expressions, check for edge availability when moving clones.
4363         (get_indirect_callee_fndecl): New function.
4364         (expand_call_inline): If callee declaration is not apprent from
4365         the statement, try calling get_indirect_callee_fndecl.  Do not
4366         issue warnings or call sorry when not inlinings an indirect edge.
4367         * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies.
4368
4369         * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a
4370         bit more frandly to matching.
4371         * testsuite/g++.dg/ipa/iinline-1.C: New testcase.
4372         * testsuite/gcc.dg/ipa/iinline-1.c: New testcase.
4373         * testsuite/gcc.dg/ipa/modif-1.c: New testcase.
4374
4375 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4376
4377         PR 36907
4378         * opth-gen.awk: Suppress function specific features when building
4379         target libraries.
4380         * optc-gen.awk: Ditto.
4381
4382 2008-07-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4383
4384         PR 35058
4385         * diagnostic.c (pedwarn): Add opt parameter.
4386         (pedwarn0): New.
4387         * c-tree.h (pedwarn_init): Add opt parameter.
4388         (pedwarn_c90): Likewise.
4389         (pedwarn_c99): Likewise.
4390         * c-errors.c (pedwarn_c99): Likewise.
4391         (pedwarn_c90): Likewise.
4392         * toplev.h (pedwarn): Update declaration.
4393         (pedwarn0): Declare.
4394         * c-lex.c: All calls to pedwarn changed.
4395         * builtins.c: All calls to pedwarn changed.
4396         * toplev.c: All calls to pedwarn changed.
4397         * c-decl.c: All calls to pedwarn changed.
4398         * c-typeck.c: All calls to pedwarn changed.
4399         * c-common.c: All calls to pedwarn changed.
4400         * c-parser.c: All calls to pedwarn changed.
4401
4402 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4403             Karthik Kumar  <karthikkumar@gmail.com>
4404
4405         * attribs.c (file scope): Include c-common.h.
4406         (decl_attributes): Add support for #pragma GCC optimize and
4407         #pragma GCC option.
4408
4409         * targhooks.c (default_can_inline_p): New function that is the
4410         default for the TARGET_CAN_INLINE_P target hook.
4411
4412         * targhooks.h (default_can_inline_p): Add declaration.
4413
4414         * tree.c (cl_optimization_node): New static tree for building
4415         OPTIMIZATION_NODE tree.
4416         (cl_target_option_node): New static tree for building
4417         TARGET_OPTION_NODE tree.
4418         (cl_option_hash_table): New hash table for hashing
4419         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4420         (cl_option_hash_hash): New function to provide the hash value for
4421         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4422         (cl_option_hash_eq): New function to provide an equality test for
4423         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4424         (tree_code_size): Add support for OPTIMIZATION_NODE and
4425         TARGET_OPTION_NODE trees.
4426         (tree_code_structure): Add support for OPTIMIZATION_NODE and
4427         TARGET_OPTION_NODE trees.
4428         (build_optimization_node): Build a tree that has all of the
4429         current optimization options.
4430         (build_target_option_node): Build a tree that has the target
4431         options that might be changed on a per function basis.
4432
4433         * tree.h (file scope): Include options.h.
4434         (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro.
4435         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
4436         (TREE_OPTIMIZATION): Ditto.
4437         (TREE_TARGET_SPECIFIC): Ditto.
4438         (struct tree_function_decl): Add fields for remembering the
4439         current optimization options and target specific options.
4440         (struct tree_optimization_option): New tree variant that remembers
4441         the optimization options.
4442         (struct tree_target_option): New tree variant that remembers the
4443         target specific flags that might change for compiling a particular
4444         function.
4445         (union tree_node): Include tree_optimization_option and
4446         tree_target_option fields.
4447         (enum tree_index): Add TI_OPTIMIZATION_DEFAULT,
4448         TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD,
4449         TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT,
4450         TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA,
4451         TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific
4452         optimization and target options.
4453         (optimization_default_node): New macro to refer to global_trees
4454         field.
4455         (optimization_current_node): Ditto.
4456         (optimization_cold_node): Ditto.
4457         (optimization_hot_node): Ditto.
4458         (target_option_default_node): Ditto.
4459         (target_option_current_node): Ditto.
4460         (current_option_pragma): Ditto.
4461         (current_optimize_pragma): Ditto.
4462
4463         * target.h (struct gcc_target): Add valid_option_attribute_p,
4464         target_option_save, target_option_restore, target_option_print,
4465         target_option_pragma_parse, and can_inline_p hooks.
4466
4467         * toplev.h (parse_optimize_options): Add declaration.
4468         (fast_math_flags_struct_set_p): Ditto.
4469
4470         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to
4471         adjust the current __OPTIMIZE__, etc. macros when #pragma GCC
4472         optimize is used.
4473
4474         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call
4475         tree_can_inline_p hook to see if one function can inline another.
4476         (cgraph_decide_inlining): Ditto.
4477         (cgraph_decide_inlining_incrementally): Ditto.
4478
4479         * opts.c (decode_options): Add support for running multiple times
4480         to allow functions with different target or optimization options
4481         than was specified on the command line.
4482         (fast_math_flags_struct_set_p): New function that is similar to
4483         fast_math_flags_set_p, except it uses the values in the
4484         cl_optimization structure instead of global variables.
4485
4486         * optc-gen.awk: Add support for TargetSave to allow a back end to
4487         declare new fields that need to be saved when using function
4488         specific options.  Include flags.h and target.h in the options.c
4489         source.  Add support for Save to indicate which options can be set
4490         for individual functions.  Generate cl_optimize_save,
4491         cl_optimize_restore, cl_optimize_print, cl_target_option_save,
4492         cl_target_option_restore, cl_target_option_print functions to
4493         allow functions to use different optimization or target options.
4494
4495         * opt-functions.awk (var_type_struct): Return the type used for
4496         storing the field in a structure.
4497
4498         * opth-gen.awk: Add support for TargetSave to allow a back end to
4499         declare new fields that need to be saved when using function
4500         specific options.  Add support for Save to indicate which options
4501         can be set for individual functions.  Only generate one extern for
4502         Mask fields.  Generate cl_optimization and cl_target_option
4503         structures to remember optimization and target options.
4504
4505         * treestruct.def (TS_OPTIMIZATION): Add support for garbage
4506         collecting new tree nodes.
4507         (TS_TARGET_OPTION): Ditto.
4508
4509         * c-decl.c (merge_decls): Merge function specific target and
4510         optimization options.
4511
4512         * function.c (invoke_set_current_function_hook): If the function
4513         uses different optimization options, change the global variables
4514         to reflect this.
4515
4516         * coretypes.h (struct cl_optimization): Add forward reference.
4517         (struct cl_target_option): Ditto.
4518
4519         * c-pragma.c (option_stack): New static vector to remember the
4520         current #pragma GCC option stack.
4521         (handle_pragma_option): New function to support #pragma GCC option
4522         to change target options.
4523         (optimize_stack): New static vector to remember the current
4524         #pragma GCC optimize stack.
4525         (handle_pragma_optimize): New function to support #pragma GCC
4526         optimize to change optimization options.
4527         (init_pragma): Add support for #pragma GCC optimize and #pragma
4528         GCC option.
4529
4530         * tree.def (OPTIMIZATION_NODE): New tree code for remembering
4531         optimization options.
4532         (TARGET_OPTION_NODE): New tree code for remembering certain target
4533         options.
4534
4535         * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and
4536         TARGET_OPTION_NODE trees.
4537
4538         * common.opt (-O): Add Optimization flag.
4539         (-Os): Ditto.
4540         (-fmath-errno): Ditto.
4541         (-falign-functions): Add UInteger flag to make sure flag gets full
4542         int in cl_optimization structure.
4543         (-falign-jumps): Ditto.
4544         (-falign-labels): Ditto.
4545         (-falign-loops): Ditto.
4546         (-fsched-stalled-insns): Ditto.
4547         (-fsched-stalled-insns-dep): Ditto.
4548
4549         * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default
4550         definition.
4551         (TARGET_OPTION_SAVE): Ditto.
4552         (TARGET_OPTION_RESTORE): Ditto.
4553         (TARGET_OPTION_PRINT): Ditto.
4554         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
4555         (TARGET_CAN_INLINE_P): Ditto.
4556         (TARGET_INITIALIZER): Add new hooks.
4557
4558         * tree-inline.c (tree_can_inline_p): New function to determine
4559         whether one function can inline another.  Check if the functions
4560         use compatible optimization options, and also call the backend
4561         can_inline_p hook.
4562
4563         * tree-inline.h (tree_can_inline_p): Add declaration.
4564
4565         * c-common.c (c_common_attribute): Add support for option and
4566         optimize attributes.
4567         (handle_option_attribute): Add support for the option attribute to
4568         allow the user to specify different target options for compiling a
4569         specific function.
4570         (handle_optimize_attribute): Add support for the optimize
4571         attribute to allow the user to specify different optimization
4572         options for compiling a specific function.
4573         (handle_hot_attribute): Turn on -O3 optimization for this one
4574         function if it isn't the default optimization level.
4575         (handle_cold_attribute): Turn on -Os optimization for this one
4576         function if it insn't the default optimization.
4577         (const_char_p): New const char * typedef.
4578         (optimize_args): New static vector to remember the optimization
4579         arguments.
4580         (parse_optimize_options): New function to set up the optimization
4581         arguments from either the optimize attribute or #pragma GCC optimize.
4582
4583         * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration.
4584         (builtin_define_std): Ditto.
4585
4586         * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages.
4587         Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies.
4588         (x86_64-*-*): Ditto.
4589
4590         * Makefile.in (TREE_H): Add options.h.
4591         (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies.
4592
4593         * doc/extend.texi (option attribute): Document new attribute.
4594         (optimize attribute): Ditto.
4595         (hot attribute): Document hot attribute sets -O3.
4596         (cold attribute): Document cold attribute sets -Os.
4597         (#pragma GCC option): Document new pragma.
4598         (#pragma GCC optimize): Ditto.
4599
4600         * doc/options.texi (TargetSave): Document TargetSave syntax.
4601         (UInteger): Document UInteger must be used for certain flags.
4602         (Save): Document Save option to create target specific options
4603         that can be saved/restored on a function specific context.
4604
4605         * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro.
4606         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
4607
4608         * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook.
4609         (TARGET_OPTION_SAVE): Ditto.
4610         (TARGET_OPTION_RESTORE): Ditto.
4611         (TARGET_OPTION_PRINT): Ditto.
4612         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
4613         (TARGET_CAN_INLINE_P): Ditto.
4614
4615         * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for
4616         -mfpmath=sse,387.
4617         (-mfpmath=both): Ditto.
4618
4619 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4620             Karthik Kumar  <karthikkumar@gmail.com>
4621
4622         * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags.
4623         (TARGET_POPCNT): Ditto.
4624         (TARGET_SAHF): Ditto.
4625         (TARGET_AES): Ditto.
4626         (TARGET_PCLMUL): Ditto.
4627         (TARGET_CMPXCHG16B): Ditto.
4628         (TARGET_RECIP): Move switch into target_flags.
4629         (TARGET_FUSED_MADD): Ditto.
4630         (ix86_arch_features): Make an unsigned char type.
4631         (ix86_tune_features): Ditto.
4632         (OVERRIDE_OPTIONS): Add bool argument to override_options call.
4633         (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros.
4634         (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas.
4635
4636         * config/i386/i386.opt (arch): New TargetSave field to define
4637         fields that need to be saved for function specific option support.
4638         (tune): Ditto.
4639         (fpmath): Ditto.
4640         (branch_cost): Ditto.
4641         (ix86_isa_flags_explicit): Ditto.
4642         (tune_defaulted): Ditto.
4643         (arch_specified): Ditto.
4644         (-m128-long-double): Add Save flag to save option for target
4645         specific option support.
4646         (-m80387): Ditto.
4647         (-maccumulate-outgoing-args): Ditto.
4648         (-malign-double): Ditto.
4649         (-malign-stringops): Ditto.
4650         (-mfancy-math-387): Ditto.
4651         (-mhard-float): Ditto.
4652         (-mieee-fp): Ditto.
4653         (-minline-all-stringops): Ditto.
4654         (-minline-stringops-dynamically): Ditto.
4655         (-mms-bitfields): Ditto.
4656         (-mno-align-stringops): Ditto.
4657         (-mno-fancy-math-387): Ditto.
4658         (-mno-push-args): Ditto.
4659         (-mno-red-zone): Ditto.
4660         (-mpush-args): Ditto.
4661         (-mred-zone): Ditto.
4662         (-mrtd): Ditto.
4663         (-msseregparm): Ditto.
4664         (-mstack-arg-probe): Ditto.
4665         (-m32): Ditto.
4666         (-m64): Ditto.
4667         (-mmmx): Ditto.
4668         (-m3dnow): Ditto.
4669         (-m3dnowa): Ditto.
4670         (-msse): Ditto.
4671         (-msse2): Ditto.
4672         (-msse3): Ditto.
4673         (-msse4.1): Ditto.
4674         (-msse4.2): Ditto.
4675         (-msse4): Ditto.
4676         (-mno-sse4): Ditto.
4677         (-msse4a): Ditto.
4678         (-msse5): Ditto.
4679         (-mrecip): Move flag into target_flags.
4680         (-mcld): Ditto.
4681         (-mno-fused-madd): Ditto.
4682         (-mfused-madd): Ditto.
4683         (-mabm): Move flag into ix86_isa_flags.
4684         (-mcx16): Ditto.
4685         (-mpopcnt): Ditto.
4686         (-msahf): Ditto.
4687         (-maes): Ditto.
4688         (-mpclmul): Ditto.
4689
4690         * config/i386/i386-c.c: New file for #pragma support.
4691         (ix86_target_macros_internal): New function to #define or #undef
4692         target macros based when the user uses the #pragma GCC option to
4693         change target options.
4694         (ix86_pragma_option_parse): New function to add #pragma GCC option
4695         support.
4696         (ix86_target_macros): Move defining the target macros here from
4697         TARGET_CPU_CPP_BUILTINS in i386.h.
4698         (ix86_register_pragmas): Register the #pragma GCC option hook.  If
4699         defined, initialize any subtarget #pragmas.
4700
4701         * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from
4702         REGISTER_TARGET_PRAGMAS.
4703
4704         * config/i386/t-i386: New file for x86 dependencies.
4705         (i386.o): Make dependencies mirror the include files used.
4706         (i386-c.o): New file, add dependencies.
4707
4708         * config/i386/i386-protos.h (override_options): Add bool argument.
4709         (ix86_valid_option_attribute_tree): Add declaration.
4710         (ix86_target_macros): Ditto.
4711         (ix86_register_macros): Ditto.
4712
4713         * config/i386/i386.c (ix86_tune_features): Move initialization of
4714         the target masks to initial_ix86_tune_features to allow functions
4715         to have different target options.  Make type unsigned char,
4716         instead of unsigned int.
4717         (initial_ix86_tune_features): New static vector to hold processor
4718         masks for the tune variables.
4719         (ix86_arch_features): Move initialization of the target masks to
4720         initial_ix86_arch_features to allow functions to have different
4721         target options.  Make type unsigned char, instead of unsigned int.
4722         (initial_ix86_arch_features): New static vector to hold processor
4723         masks for the arch variables.
4724         (enum ix86_function_specific_strings): New enum to describe the
4725         string options used for attribute((option(...))).
4726         (ix86_target_string): New function to return a string that
4727         describes the target options.
4728         (ix86_debug_options): New function to print the current options in
4729         the debugger.
4730         (ix86_function_specific_save): New function hook to save the
4731         function specific global variables in the cl_target_option structure.
4732         (ix86_function_specific_restore): New function hook to restore the
4733         function specific variables from the cl_target_option structure to
4734         the global variables.
4735         (ix86_function_specific_print): New function hook to print the
4736         target specific options in the cl_target_option structure.
4737         (ix86_valid_option_attribute_p): New function hook to validate
4738         attribute((option(...))) arguments.
4739         (ix86_valid_option_attribute_tree): New function that is common
4740         code between attribute((option(...))) and #pragma GCC option
4741         support that parses the options and returns a tree holding the options.
4742         (ix86_valid_option_attribute_inner_p): New helper function for
4743         ix86_valid_option_attribute_tree.
4744         (ix86_can_inline_p): New function hook to decide if one function
4745         can inline another on a target specific basis.
4746         (ix86_set_current_function); New function hook to switch target
4747         options if the user used attribute((option(...))) or #pragma GCC
4748         option.
4749         (ix86_tune_defaulted): Move to static file scope from
4750         override_options.
4751         (ix86_arch_specified): Ditto.
4752         (OPTION_MASK_ISA_AES_SET): New macro for moving switches into
4753         ix86_isa_flags.
4754         (OPTION_MASK_ISA_PCLMUL_SET): Ditto.
4755         (OPTION_MASK_ISA_ABM_SET): Ditto.
4756         (OPTION_MASK_ISA_POPCNT_SET): Ditto.
4757         (OPTION_MASK_ISA_CX16_SET): Ditto.
4758         (OPTION_MASK_ISA_SAHF_SET): Ditto.
4759         (OPTION_MASK_ISA_AES_UNSET): Ditto.
4760         (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto.
4761         (OPTION_MASK_ISA_ABM_UNSET): Ditto.
4762         (OPTION_MASK_ISA_POPCNT_UNSET): Ditto.
4763         (OPTION_MASK_ISA_CX16_UNSET): Ditto.
4764         (OPTION_MASK_ISA_SAHF_UNSET): Ditto.
4765         (struct ptt): Move to static file scope from override_options.
4766         (processor_target_table): Ditto.
4767         (cpu_names): Ditto.
4768         (ix86_handle_option): Add support for options that are now isa options.
4769         (override_options): Add support for declaring functions that
4770         support different target options than were specified on the
4771         command line.  Move struct ptt, processor_target_table, cpu_names,
4772         ix86_tune_defaulted, ix86_arch_specified to static file scope.
4773         Add bool argument.  Fix up error messages so the appropriate error
4774         is given for either command line or attribute.
4775         (ix86_previous_fndecl): New static to remember previous function
4776         declaration to see if we need to change target options.
4777         (ix86_builtins_isa): New array to record the ISA of each builtin
4778         function.
4779         (def_builtin): Always create the builtin function, even if the
4780         current ISA doesn't support it.
4781         (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL
4782         tests for those builtins.
4783         (ix86_init_builtins): Remove TARGET_MMX test for calling
4784         ix86_init_mmx_sse_builtins.
4785         (ix86_expand_builtin): If the current ISA doesn't support a given
4786         builtin, signal an error.
4787         (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook.
4788         (TARGET_SET_CURRENT_FUNCTION): Ditto.
4789         (TARGET_OPTION_SAVE): Ditto.
4790         (TARGET_OPTION_RESTORE): Ditto.
4791         (TARGET_OPTION_PRINT): Ditto.
4792         (TARGET_CAN_INLINE_P): Ditto.
4793
4794 2008-07-22  Rafael Avila de Espindola  <espindola@google.com>
4795
4796         * c-typeck.c (build_external_ref): Don't call assemble_external.
4797         * final.c (output_operand): Call assemble_external.
4798
4799 2008-07-21  DJ Delorie  <dj@redhat.com>
4800
4801         * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New.
4802         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
4803
4804 2008-07-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4805
4806         * config/spu/spu.md ("div<mode>3"): Convert into expander, move
4807         original insn and splitter contents into ...
4808         ("*div<mode>3_fast"): ... this new pattern.  Enable only if
4809         flag_unsafe_math_optimizations.  Add dummy scratch register.
4810         ("*div<mode>3_adjusted"): New insn and splitter.  Enable only if
4811         !flag_unsafe_math_optimizations.  Returns number with next
4812         highest magnitude if this is still less or equal to the true
4813         quotient in magnitude.
4814
4815 2008-07-21  Rafael Avila de Espindola  <espindola@google.com>
4816
4817         * Makefile.in: Replace toplev.h with TOPLEV_H.
4818         * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
4819         * c-lex.c (fe_file_change): Don't set in_system_header.
4820         * c-parser.c (c_token): Remove in_system_header.
4821         (c_lex_one_token): Don't set in_system_header.
4822         (c_parser_set_source_position_from_token): Don't set in_system_header.
4823         * diagnostic.c (diagnostic_report_diagnostic): Use location from
4824         diagnostic_info.
4825         (warning_at): New.
4826         * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
4827         * flags.h (in_system_header): Remove.
4828         * function.c (saved_in_system_header): Remove.
4829         (push_cfun): Don't set in_system_header.
4830         (pop_cfun): Don't set in_system_header.
4831         (push_struct_function): Don't set in_system_header.
4832         * input.h (expanded_location): Add sysp.
4833         (in_system_header_at): New.
4834         (in_system_header): New.
4835         * toplev.c (in_system_header): Remove.
4836         * toplev.h: Include input.h
4837         (warning_at): New.
4838         * tree-cfg.c (execute_warn_function_return): Call warning_at.
4839         * tree-ssa.c (warn_uninit): Call warning_at.
4840         (warn_uninitialized_var): Update calls to warn_uninit.
4841         (warn_uninitialized_phi): Update calls to warn_uninit.
4842         * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
4843         (expand_location): Initialize xloc.sysp.
4844         * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
4845         (tree_decl_with_vis): Remove in_system_header_flag.
4846
4847 2008-07-21  Andreas Krebbel  <krebbel1@de.ibm.com>
4848
4849         PR target/36822
4850         * recog.c (asm_operand_ok): Change the order of the extra
4851         memory constraint checks.
4852
4853 2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4854
4855         PR tree-opt/36879
4856         * tree-switch-conversion.c (build_one_array): Call
4857         varpool_mark_needed_node and varpool_finalize_decl
4858         instead of assemble_variable.
4859
4860 2008-07-19  Jan Hubicka  <jh@suse.cz>
4861
4862         * cgraph.c (cgraph_add_new_function): Do early local passes.
4863         * tree-nrv.c (gate_pass_return_slot): New gate.
4864         (pass_nrv): Add the gate.
4865         * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New
4866         functions.
4867         (coalesce_ssa_name): Coalesce SSA names.
4868         * tree-ssa-live.c (remove_unused_locals): Be more conservative when
4869         not optimizing so unused user vars remains visible.
4870         * common.opt (flag_tree_ter): Always enable by default.
4871         * tree-ssa-ter.c: Include flags.h
4872         (is_replaceable_p): Check that locations match; when aliasing is missing
4873         be conservative about loads.
4874         * tree-optimize.c (gate_init_datastructures): Remove.
4875         (pass_init_datastructures): New.
4876         * passes.c: Reorder passes so we always go into SSA.
4877
4878 2008-07-19  Jan Hubicka  <jh@suse.cz>
4879
4880         * doc/extend.texi (flatten attribute): Remove note about unit-at-a-time
4881         * doc/invoke.texi (--combine): Likewise.
4882         (-finline-functions-called-once): Update levels when enabled.
4883         (-funit-at-a-time): Document new behaviour.
4884         (-ftoplevel-reorder): Document that it is enabled -O0 and imply
4885         -fno-section-anchors when disabled explicitly.
4886         (inline params): They are not ignored now.
4887         (precompiled headers): Remove unit-at-a-time as being incompatible.
4888         * opts.c (decode_options): Handle unit-at-a-time as alias;
4889         imply -fno-section-anchors when toplevel reorder is disabled
4890         explicitly.
4891         * common.opt (ftoplevel-reorder): Set default value to 2.
4892         (funit-at-a-time): Set default value to 1.
4893         * config/rs6000/rs6000.c (optimization_options): Set section anchors
4894         to 2.
4895
4896 2008-07-19  Jan Hubicka  <jh@suse.cz>
4897
4898         * builtins.c (expand_builtin_int_roundingfn,
4899         expand_builtin_int_roundingfn_2): Do not take subtarget argument;
4900         it is not useful.
4901
4902 2008-07-19  Richard Guenther  <rguenther@suse.de>
4903
4904         PR bootstrap/36864
4905         * tree-ssa-sccvn.h (get_constant_value_id): Declare.
4906         * tree-ssa-sccvn.c (get_constant_value_id): New function.
4907         * tree-ssa-pre.c (get_expr_value_id): For newly created
4908         constant value-ids make sure to add the expression to its
4909         expression-set.
4910
4911 2008-07-19  Jakub Jelinek  <jakub@redhat.com>
4912
4913         PR middle-end/36877
4914         * omp-low.c (expand_omp_atomic_fetch_op): Make sure the
4915         return value of the builtin is ignored.
4916
4917 2008-07-19  Olivier Hainque  <hainque@adacore.com>
4918
4919         * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in
4920         bits, a C conformant malloc implementation has to provide.
4921         * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD.
4922
4923 2008-07-19  Joseph Myers  <joseph@codesourcery.com>
4924
4925         PR target/36780
4926         PR target/36827
4927         * reload.c (find_reloads_subreg_address): Only reload address if
4928         reloaded == 0, not for reloaded != 1.
4929
4930         Revert:
4931         2008-07-16  Joseph Myers  <joseph@codesourcery.com>
4932         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
4933         (m32c_legitimate_address_p): Handle "++rii" addresses created by
4934         m32c_legitimize_reload_address.
4935
4936         2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
4937         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
4938         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
4939
4940 2008-07-19  Olivier Hainque  <hainque@adacore.com>
4941
4942         * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
4943         argument, saying whether nested array are to be collapsed
4944         into a single array type DIE with multiple subscripts.
4945         (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
4946         issues, centralize the nested array types collapsing control and
4947         disable the transformation for Ada.
4948
4949 2008-07-18  Uros Bizjak  <ubizjak@gmail.com>
4950
4951         PR target/36786
4952         * config/i386/i386.md (x86_64_shift_adj_1): Rename from
4953         x86_64_shift_adj.
4954         (x86_64_shift_adj_2): New expander.
4955         (x86_64_shift_adj_3): Ditto.
4956         * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3
4957         to split TImode operands.
4958         (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands.
4959         (ix86_split_lshr): Ditto.
4960
4961 2008-07-18  Kris Van Hees  <kris.van.hees@oracle.com>
4962
4963         * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
4964         and __CHAR32_TYPE__.
4965         * c-typeck.c (digest_init): Support char16_t and char32_t.
4966         (set_nonincremental_init_from_string): Idem.
4967
4968 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
4969
4970         PR middle-end/36859
4971         * builtins.c (std_gimplify_va_arg_expr): Limit alignment to
4972         PREFERRED_STACK_BOUNDARY.
4973         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4974
4975 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
4976
4977         PR middle-end/36858
4978         * function.c (locate_and_pad_parm): Cap boundary earlier.
4979
4980 2008-07-17  Julian Brown  <julian@codesourcery.com>
4981
4982         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make
4983         no-op for targets which don't use DLLs.
4984
4985 2008-07-17  Martin Jambor  <mjambor@suse.cz>
4986
4987         * ipa-cp.c (ipcp_print_all_lattices): New variable info, check
4988         that nodes are relevant by examining the node->analyzed flag.
4989         (ipcp_init_stage): Check which nodes are relevant, assert that the
4990         relevant ones are also required.
4991         (ipcp_propagate_stage): Check on the side arrays are properly
4992         allocated.
4993         (ipcp_print_all_jump_functions): Make sure not to touch any node
4994         that is not analyzed or an edge that does not have a corresponding
4995         entry in the on-the-side vectors.
4996         (ipcp_function_scale_print): Likewise.
4997         (ipcp_update_callgraph): Check that the node is relevant.
4998         (ipcp_insert_stage): Check that the node is relevant.  Check there is
4999         an info for every node and edge.
5000         * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant.
5001         (ipa_print_all_tree_maps): Likewise and a new variable info.
5002         (ipa_print_all_params_modified): Likewise.
5003         * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function.
5004
5005 2008-07-17  Roman Zippel <zippel@linux-m68k.org>
5006
5007         PR target/25343
5008         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.
5009
5010 2008-07-17  Paolo Bonzini  <bonzini@gnu.org>
5011
5012         PR rtl-optimization/36753
5013         * fwprop.c (use_killed_between): Don't shortcut
5014         single-definition global registers.
5015
5016 2008-07-16  Jan Hubicka  <jh@suse.cz>
5017
5018         * cgraph.h (varpool_empty_needed_queue): Declare.
5019         * cgraphunit.c (output_in_order): Mark all variables as needed;
5020         empty the queue.
5021         * varpool.c (varpool_assemble_node): Update debug queue.
5022         (varpool_assemble_pending_decls): Don't do it here.
5023         (varpool_empty_needed_queue):  New function.
5024
5025 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5026
5027         * recog.c (peephole2_optimize): Fix formatting.
5028
5029 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5030
5031         * c-pch.c (get_ident): Avoid C++ keywords.
5032         * combine-stack-adj.c (single_set_for_csa): Likewise.
5033         * final.c (asm_insn_count, final_scan_insn, alter_subreg,
5034         output_asm_insn): Likewise.
5035         * reload.c (push_secondary_reload, find_reusable_reload,
5036         push_reload, combine_reloads, find_reloads,
5037         debug_reload_to_stream): Likewise.
5038         * reload.h (struct reload): Likewise.
5039         * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs,
5040         allocate_reload_reg, choose_reload_regs, emit_input_reload_insns,
5041         emit_output_reload_insns): Likewise.
5042         * targhooks.c (default_secondary_reload): Likewise.
5043         * varasm.c (section_entry_eq, object_block_entry_eq): Likewise.
5044
5045 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5046
5047         * recog.c (validate_change_1, validate_change,
5048         validate_unshare_change, validate_replace_rtx_1, struct
5049         funny_match, constrain_operands, peephole2_optimize): Avoid C++
5050         keywords.
5051         * reload.c (push_secondary_reload, secondary_reload_class,
5052         scratch_reload_class, find_valid_class, find_reusable_reload,
5053         push_reload, find_dummy_reload, find_reloads_address_1,
5054         find_reloads_address_part, find_equiv_reg): Likewise.
5055         * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg,
5056         choose_reload_regs): Likewise.
5057         * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1):
5058         Likewise.
5059         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
5060         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5061         * sched-rgn.c (concat_INSN_LIST): Likewise.
5062         * stor-layout.c (mode_for_size, mode_for_size_tree,
5063         smallest_mode_for_size): Likewise.
5064
5065 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5066
5067         * cfg.c (dump_reg_info): Avoid C++ keywords.
5068         * dwarf2asm.c (dw2_force_const_mem,
5069         dw2_asm_output_encoded_addr_rtx): Likewise.
5070         * except.c (gen_eh_region, add_action_record, output_ttype): Likewise.
5071         * expmed.c (expand_shift): Likewise.
5072         * global.c (find_reg): Likewise.
5073         * graph.c (draw_edge): Likewise.
5074         * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise.
5075         * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop,
5076         widen_clz, widen_bswap, expand_parity, expand_unop,
5077         emit_cmp_and_jump_insn_1): Likewise.
5078         * postreload.c (reload_cse_simplify_operands): Likewise.
5079         * ra.h (add_neighbor): Likewise.
5080         * reg-stack.c (remove_regno_note, change_stack): Likewise.
5081         * regclass.c (memory_move_secondary_cost, dump_regclass, regclass,
5082         record_reg_classes, copy_cost, record_address_regs,
5083         invalid_mode_change_p): Likewise.
5084         * regrename.c (regrename_optimize, scan_rtx_reg,
5085         dump_def_use_chain, find_oldest_value_reg,
5086         replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise.
5087
5088 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5089
5090         * config/rs6000/rs6000.c (processor_target_table): Remove duplicate
5091         MASK_POWERPC64 for power4 in previous commit.
5092
5093 2008-07-16  Olivier Hainque  <hainque@adacore.com>
5094
5095         * collect2.c (scan_prog_file, COFF version): Use CONST_CAST
5096         instead of bare conversion to cast const-ness away.
5097
5098 2008-07-16  Anatoly Sokolov  <aesok@post.ru>
5099
5100         * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE,
5101         XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove.
5102         * config/xtensa/xtensa.c (xtensa_function_value): New function.
5103         (TARGET_FUNCTION_VALUE): Define.
5104
5105 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5106
5107         * config/rs6000/rs6000.c (processor_target_table): Add
5108         MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x.
5109
5110 2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5111
5112         PR target/36827
5113         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5114         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5115         m32c_legitimize_reload_address.
5116
5117 2007-07-16  Rafael Avila de Espindola  <espindola@google.com>
5118
5119         * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and
5120         DECL_IN_SYSTEM_HEADER in sync.
5121
5122 2008-07-15  Daniel Berlin  <dberlin@dberlin.org>
5123
5124         * tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
5125         * tree-ssa-pre.c (pre_expr_eq): Ditto
5126         (get_constant_for_value_id): Take a type as an argument.
5127         (fully_constant_expression): Pass in type.
5128         (find_or_generate_expression): Short circuit constant case.
5129         (create_expression_by_pieces): Remove special casing of
5130         pointer_plus.
5131         (do_regular_insertion): Short circuit constant case.
5132         (do_partial_partial_insertion): Ditto.
5133
5134 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5135
5136         PR target/36782
5137         * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note.
5138
5139 2008-07-15  Bob Wilson  <bob.wilson@acm.org>
5140
5141         * config/xtensa/libgcc-xtensa.ver: New file.
5142         * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.
5143
5144 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5145
5146         * df-problems.c (df_set_note): Avoid C++ keywords.
5147         * df-scan.c (df_ref_change_reg_with_loc_1): Likewise.
5148         * dse.c (record_store, remove_useless_values): Likewise.
5149         * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset,
5150         gen_reg_rtx_offset, operand_subword, change_address_1,
5151         change_address, adjust_address_1, offset_address,
5152         widen_memory_access, emit_copy_of_insn_after): Likewise.
5153         * explow.c (round_push, allocate_dynamic_stack_space): Likewise.
5154         * fwprop.c (should_replace_address, propagate_rtx_1,
5155         propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify):
5156         Likewise.
5157         * gcse.c (cprop_jump, find_implicit_sets, bypass_block,
5158         gcse_emit_move_after, update_ld_motion_stores): Likewise.
5159         * lcm.c (compute_insert_delete, pre_edge_lcm,
5160         compute_rev_insert_delete, pre_edge_rev_lcm): Likewise.
5161         * lower-subreg.c (resolve_reg_notes): Likewise.
5162         * mode-switching.c (optimize_mode_switching): Likewise.
5163
5164 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5165
5166         * bt-load.c (add_btr_def, migrate_btr_def,
5167         branch_target_load_optimize): Avoid C++ keywords.
5168         * caller-save.c (insert_restore, insert_save, insert_one_insn):
5169         Likewise.
5170         * combine.c (subst, simplify_set, make_extraction,
5171         make_compound_operation, known_cond, simplify_shift_const_1): Likewise.
5172         * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg,
5173         fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise.
5174
5175 2008-07-15  Richard Guenther  <rguenther@suse.de>
5176
5177         PR middle-end/36369
5178         * c-common.c (strict_aliasing_warning): Do not warn for
5179         TYPE_REF_CAN_ALIAS_ALL pointers.
5180         (c_common_get_alias_set): may_alias types are not special.
5181         * tree.c (build_pointer_type_for_mode): Look up the may_alias
5182         attribute and set can_ref_all accordingly.
5183         (build_reference_type_for_mode): Likewise.
5184         * doc/extend.texi (may_alias): Clarify.
5185
5186 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5187
5188         PR target/36780
5189         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5190         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5191
5192 2008-07-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5193
5194         PR target/31568
5195         * config/rs6000/rs6000.c (print_operand <case 'y'>): Don't use
5196         gcc_assert, instead call output_operand_lossage.
5197
5198 2008-07-15  Kai Tietz  <kai.tietz@onevision.com>
5199
5200         * builtins.c (std_canonical_va_list): Treat structure based
5201         va_list types.
5202
5203 2008-07-15  Ben Elliston  <bje@au.ibm.com>
5204
5205         * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.
5206
5207 2007-07-14  Rafael Avila de Espindola  <espindola@google.com>
5208
5209         * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING
5210         is set.
5211
5212 2008-07-14  Jan Hubicka  <jh@suse.cz>
5213
5214         * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p
5215         * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p;
5216         fix predicates and constraints.
5217         * i386.c (ix86_sse5_valid_op_p): Add commutative parameter.
5218         * i386-protos.h (ix86_sse5_valid_op_p): Update declaration.
5219
5220 2008-07-14  Doug Kwan  <dougkwan@google.com>
5221
5222         * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use
5223         additional option file arm/eabi.opt.
5224         * config/arm/eabi.h (File): New configuration file for EABI targets.
5225         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add
5226         SUBSUBTARGET_EXTRA_SPECS.
5227         (SUBSUBTARGET_EXTRA_SPECS): Provide empty default.
5228         * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed
5229         from STARTFILE_SPEC so that it can be referenced in an override.
5230         (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC.
5231         (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it
5232         can be referenced in an override.
5233         (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC.
5234         * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC
5235         so that it can be referenced in an override.
5236         (LINK_SPEC): Use BPABI_LINK_SPEC.
5237         * config/arm/eabi.opt (File): New.
5238
5239 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5240
5241         * Makefile.in (TARGET_DEF_H): Add targhooks.h.
5242         (FIXED_VALUE_H): New variable.
5243         (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of
5244         input.h, fixed-value.h.
5245         (TREE_H): Use $(INPUT_H), add $(SYMTAB_H).
5246         (BASIC_BLOCK_H): Use $(BITMAP_H).
5247         (FUNCTION_H): Add varray.h.
5248         (IPA_REFERENCE_H): Use $(BITMAP_H).
5249         (CGRAPH_H): Add $(BASIC_BLOCK_H).
5250         (DF_H): Use $(BITMAP_H).
5251         (GGC_H): Add statistics.h.
5252         (INSN_ADDR_H): New.
5253         (INSN_ATTR_H): Use it.
5254         (SYSTEM_H): Add safe-ctype.h, filenames.h.
5255         (INPUT_H): New.
5256         (SYMTAB_H): Add $(OBSTACK_H).
5257         (CPP_INTERNAL_H): New.
5258         (TREE_DUMP_H): Add tree-pass.h.
5259         (TREE_FLOW_H): Use $(BITMAP_H)
5260         (PRETTY_PRINT_H): Use $(INPUT_H).
5261         (EBITMAP_H): Rename from typo-ed EBIMAP_H.
5262         (GSTAB_H): New.
5263         (BITMAP_H): New.
5264         (many object files): Fix lots of header dependencies throughout.
5265
5266 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5267
5268         * Makefile.in (write_entries_to_file, write_entries_to_file_split):
5269         New macros.
5270         (s-gtyp-input): Use them to write tmp-gi.list.
5271         (echo_to_gi.list): Remove.
5272
5273 2008-07-14  Richard Guenther  <rguenther@suse.de>
5274
5275         * tree-ssa-sccvn.c (pre_info): Remove.
5276         (switch_to_PRE_table): Likewise.
5277         (free_scc_vn): Do not clear SSA_NAME_VALUE.  Do not free pre_info.
5278         (set_hashtable_value_ids): Do not create value-ids for the
5279         optimistic tables.
5280         (run_scc_vn): Remove double test.  Remove bogus special-case
5281         in value-number printing.
5282         * tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
5283         * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
5284         SSA_NAME_VALUE.
5285         * tree-flow-inline.h (get_value_handle): Remove.
5286         * tree-flow.h (get_value_handle): Remove.
5287
5288 2008-07-14  Martin Jambor  <mjambor@suse.cz>
5289
5290         * tree-switch-conversion.c (gen_inbound_check): Make sure the type
5291         in which we generate arithmetics is not a subrange.
5292
5293 2008-07-14  Martin Jambor  <mjambor@suse.cz>
5294
5295         * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.
5296
5297 2008-07-14  Richard Guenther  <rguenther@suse.de>
5298
5299         * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert.
5300
5301 2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5302
5303         PR target/36745
5304         * config/s390/s390.c: (s390_secondary_reload): Add a secondary
5305         reload for symbol refs moved to r0 with -fPIC.
5306         (legitimize_pic_address): Use the target register as temporary
5307         reg if possible.
5308         (emit_symbolic_move): Adjust comment.
5309         * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr):
5310         New expanders.
5311
5312 2008-07-14  Ben Elliston  <bje@au.ibm.com>
5313
5314         * c-common.h (C_CPP_HASHNODE): New macro.
5315         * coretypes.h (struct cpp_token): Forward declare.
5316         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
5317         the context-sensitive keyword method.
5318         * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
5319         __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
5320         expand_bool_pixel): New.
5321         (altivec_categorize_keyword): New function.
5322         (init_vector_keywords): New function.
5323         (rs6000_macro_to_expand): Likewise.
5324         (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
5325         compiling an ISO C dialect.
5326
5327 2008-07-13  Daniel Berlin  <dberlin@dberlin.org>
5328
5329         * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls.
5330         (create_expression_by_pieces): Fix typo.
5331         (do_regular_insertion): Use debug counter here too.
5332
5333 2008-07-14  Hans-Peter Nilsson  <hp@axis.com>
5334
5335         PR target/35492.
5336         * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from
5337         CONST_OK_FOR_LETTER_P.  All port-local users changed.
5338         (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K,
5339         implement Kp matching power-of-two.
5340         (CONSTRAINT_LEN): Define to match.
5341         * config/cris/cris.md: Replace all use of constraint K with Kc.
5342         ("*btst*): Use Kp for operand 0 of last alternative.
5343
5344 2008-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5345
5346         PR testsuite/36440
5347         * tree-call-cdce.c (check_target_format): Accept MIPS single, double
5348         and quad formats.
5349
5350 2008-07-13  Jan Hubicka  <jh@suse.cz>
5351
5352         * tree.c (decl_assembler_name_equal): Expect assembler name of decl
5353         to be mangled too.
5354
5355 2008-07-13  Richard Guenther  <rguenther@suse.de>
5356
5357         PR middle-end/36811
5358         * langhooks.c (lhd_print_error_function): Deal with recursive
5359         BLOCK trees.
5360
5361 2008-07-12  Jan Hubicka  <jh@suse.cz>
5362
5363         * cgraph.c (assembler_name_hash): New static var.
5364         (hash_node_by_assembler_name, eq_assembler_name): New.
5365         (cgraph_node_for_asm): Use hashtable.
5366         (cgraph_remove_node): Maintain hashtable.
5367         (change_decl_assembler_name): Sanity check that names are not changing
5368         after aliasing was processed.
5369         * cgraph.h (varpoon_node): Add next GGC marker.
5370         * tree.c (decl_assembler_name_equal): Constify.
5371         (decl_assembler_name_hash): New.
5372         * tree.h (decl_assembler_name_equal): Constify.
5373         (decl_assembler_name_hash): Update.
5374
5375 2008-07-12  David Daney  <ddaney@avtrex.com>
5376
5377         * config/mips/driver-native.c (host_detect_local_cpu): Handle
5378         sb1 and r5000 cpus.
5379
5380 2008-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
5381
5382         * doc/md.texi: Document the MIPS "v" constraint.
5383         * config/mips/mips.h (reg_class): Revert last change.
5384         (REG_CLASS_NAMES): Likewise.
5385         (REG_CLASS_CONTENTS): Likewise.
5386         * config/mips/mips.c (mips_regno_to_class): Likewise.
5387         * config/mips/constraints.md (v): Likewise, but add documentation.
5388         Add a comment to say that this constraint should not be used in
5389         gcc code.
5390
5391 2008-07-11  DJ Delorie  <dj@redhat.com>
5392
5393         * config/h8300/h8300.md (length): Fix branch offset limit.
5394
5395 2008-07-11  Anatoly Sokolov  <aesok@post.ru>
5396
5397         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
5398         * config/avr/avr.c (avr_peep2_scratch_safe): Remove.
5399         (avr_hard_regno_scratch_ok): New function.
5400         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
5401         * config/avr/avr.md (all peepholes that request a scratch register):
5402         Remove avr_peep2_scratch_safe use.
5403
5404 2008-07-11  Tom Tromey  <tromey@redhat.com>
5405             Ian Lance Taylor  <iant@google.com>
5406
5407         * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
5408         (struct c_common_resword): Define.
5409         (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
5410         (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
5411         (c_common_reswords, num_c_common_reswords): Declare.
5412         * c-common.c (c_common_reswords): New global const array.
5413         (num_c_common_reswords): New const int.
5414         * c-parser.c (struct resword, reswords): Don't define.
5415         (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
5416         (c_parse_init): Clarify mask code.  Use c_common_reswords rather
5417         than reswords.  If warning about C++ keywords, give them a special
5418         RID code.
5419         (c_lex_one_token): Warn about C++ keywords.  Call
5420         objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
5421         (c_parser_external_declaration): Look for RID_xxx rather than
5422         RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
5423         (c_parser_statement_after_labels): Likewise.
5424         (c_parser_objc_class_instance_variables): Likewise.
5425         (c_parser_objc_class_declaration): Likewise.
5426         (c_parser_objc_try_catch_statement): Likewise.
5427         * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
5428         (declspecs_add_type): Likewise.
5429
5430 2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>
5431
5432         * ggc-page.c (alloc_page):
5433         Substituting xmalloc, xcalloc with
5434         XNEWVEC and XCNEWVAR macros which add the
5435         needed casts.
5436
5437 2008-07-11  Richard Guenther  <rguenther@suse.de>
5438
5439         PR tree-optimization/36765
5440         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5441         aliases from HEAP vars to SMTs.
5442
5443 2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5444
5445         * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
5446         * configure.ac (loose_warn): Move -Wc++-compat from here...
5447         (strict_warn): ...to here.
5448         * configure: Regenerate.
5449
5450 2008-07-10  Joseph Myers  <joseph@codesourcery.com>
5451
5452         * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
5453         i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
5454         m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
5455         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
5456         excluding more specific h8300-*-* and sh-*-* targets.
5457
5458 2008-07-10  Daniel Berlin  <dberlin@dberlin.org>
5459
5460         * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.
5461         (eliminate): Ditto.
5462         (execute_pre): Call loop_optimizer_finalize in early exit.
5463
5464 2008-07-10  Jakub Jelinek  <jakub@redhat.com>
5465
5466         PR middle-end/36790
5467         * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
5468         uids in the bitmap, not just VAR_DECL uids.
5469
5470         PR rtl-optimization/36419
5471         * combine-stack-adj.c (adjust_frame_related_expr): New function.
5472         (combine_stack_adjustments_for_block): Call it if needed.  Delete
5473         correct insn.
5474         * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
5475         DW_CFA_GNU_args_size if CSA pass merged some adjustments into
5476         prologue sp adjustment.
5477
5478 2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
5479
5480         PR other/28322
5481         * opts.c (print_ignored_options): Report postponed diagnostics for
5482         unknown -Wno-* options as warnings, not errors.
5483         (postpone_unknown_option_error): Renamed to...
5484         (postpone_unknown_option_warning): ... this.
5485
5486 2008-07-09  Doug Kwan  <dougkwan@google.com>
5487
5488         Revert:
5489         2008-07-08  Doug Kwan  <dougkwan@google.com>
5490
5491         * config/arm/arm.opt (mandroid): New option.
5492         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
5493         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
5494         (CC1_SPEC): Same.
5495         (CC1PLUS_SPEC): Same.
5496         (LIB_SPEC): Same.
5497         (STARTFILE_SPEC): Same.
5498         (ENDFILE_SPEC): Same.
5499         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
5500         used.
5501
5502 2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>
5503
5504         PR target/35802
5505         * config/mips/mips.h (reg_class): Remove V1_REG.
5506         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
5507         * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
5508         instead of V1_REGS.
5509         (mips_get_tp): New function.
5510         (mips_legitimize_tls_address): Use it.
5511         * config/mips/constraints.md (v): Delete.
5512         * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
5513         (tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
5514         After reload, split into a move and ...
5515         (*tls_get_tp_<mode>_split): ...this new instruction.
5516
5517 2008-07-09  David Daney  <ddaney@avtrex.com>
5518
5519         * config/mips/driver-native.c: Include coretypes.h and tm.h.
5520
5521 2008-07-09  Jakub Jelinek  <jakub@redhat.com>
5522
5523         * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
5524         (push_gimplify_context): Don't allocate temp_htab nor c itself here.
5525         Add c argument.
5526         (pop_gimplify_context): Check c->temp_htab instead of optimize whether
5527         htab_delete should be called.  Don't free c.
5528         (lookup_tmp_var): Create temp_htab lazily.
5529         (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
5530         gimplify_body, force_gimple_operand): Adjust push_gimplify_context
5531         callers.
5532         * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
5533         lower_omp_ordered, lower_omp_critical, lower_omp_for,
5534         create_task_copyfn, lower_omp_taskreg, execute_lower_omp):
5535         * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
5536         * tree-sra.c (generate_element_init): Likewise.
5537         * tree-mudflap.c (execute_mudflap_function_ops,
5538         execute_mudflap_function_decls): Likewise.
5539         * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
5540         * tree-gimple.h (struct gimplify_ctx): New type.
5541         (push_gimplify_context): Adjust prototype.
5542
5543 2008-07-09  Daniel Berlin  <dberlin@dberlin.org>
5544
5545         * tree-ssa-pre.c (phi_translate_1): Update placement of
5546         add_to_value calls.
5547
5548 2008-07-09  Anatoly Sokolov  <aesok@post.ru>
5549
5550         * target.h (struct gcc_target): Add hard_regno_scratch_ok field.
5551         * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
5552         (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
5553         * targhooks.c (default_hard_regno_scratch_ok): New function.
5554         * targhooks.h (default_hard_regno_scratch_ok): Declare function.
5555         * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
5556         * recog.c:  Include "target.h".
5557         (peep2_find_free_register): Add check for global regs. Add target
5558         specific check.
5559         * Makefile.in (recog.o): Depend on target.h.
5560
5561 2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5562
5563         * config/sh/sh.c (sh_canonical_va_list_type): New.
5564         (TARGET_CANONICAL_VA_LIST_TYPE): Define.
5565
5566 2008-07-09  Raksit Ashok <raksit@google.com>
5567
5568         * doc/invoke.texi (Option Summary): Mention new option
5569         -Wdisallowed-function-list=...
5570         (Warning Options): Document -Wdisallowed-function-list=...
5571         * common.opt (Wdisallowed-function-list=): New flag.
5572         * flags.h (warn_disallowed_functions): External definition of new
5573         boolean warning flag.
5574         (warn_if_disallowed_function_p): Declare new function.
5575         * opts.c (warning_disallowed_functions): New static variable.
5576         (warn_disallowed_functions): New boolean warning flag.
5577         (warn_if_disallowed_function_p): New function.
5578         (add_comma_separated_to_vector): Rename
5579         add_instrument_functions_exclude_list to this.
5580         (common_handle_option): Handle new option. Rename calls to
5581         add_instrument_functions_exclude_list into calls to
5582         add_comma_separated_to_vector.
5583         * c-parser.c (c_parser_postfix_expression_after_primary): New warning
5584         based on flag warn_disallowed_functions.
5585
5586 2008-07-09  Christian Bruel  <christian.bruel@st.com>
5587
5588         * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
5589          instead of get_attr_length.
5590
5591 2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5592
5593         * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
5594         keywords.
5595         * genemit.c (gen_insn): Likewise.
5596         * gengtype.c (note_def_vec): Likewise.
5597         * gengtype.h (note_def_vec): Likewise.
5598         * genoutput.c (struct data, output_insn_data, process_template,
5599         gen_expand, gen_split, note_constraint): Likewise.
5600         * genrecog.c (new_decision, add_to_sequence, factor_tests,
5601         make_insn_sequence): Likewise.
5602         * gensupport.c (record_insn_name): Likewise.
5603
5604 2008-07-08  Doug Kwan  <dougkwan@google.com>
5605
5606         * config/arm/arm.opt (mandroid): New option.
5607         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
5608         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
5609         (CC1_SPEC): Same.
5610         (CC1PLUS_SPEC): Same.
5611         (LIB_SPEC): Same.
5612         (STARTFILE_SPEC): Same.
5613         (ENDFILE_SPEC): Same.
5614         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
5615         used.
5616
5617 2008-07-08  Raksit Ashok  <raksit@google.com>
5618
5619         * expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
5620         (set_storage_via_setmem): Fix expected_align parameter.
5621         * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
5622         missing from the list.
5623         * doc/md.texi (movmem): Explicitly state that expected alignment is
5624         to be expressed in bytes.
5625         (setmem): Explicitly state that expected alignment is to be expressed
5626         in bytes.
5627
5628 2008-07-08  Joseph Myers  <joseph@codesourcery.com>
5629
5630         * reload.c (find_reloads_subreg_address): Do not require validity
5631         of address in original mode before reloading address.
5632
5633 2008-07-07  Tianwei Sheng  <tianweis@google.com>
5634
5635         * df-core.c (df_remove_problem): Adjust the access to avoid out of
5636         bounds array access.
5637
5638 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
5639
5640         * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst.
5641
5642 2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
5643
5644         Fix PR tree-optimization/23455
5645         Fix PR tree-optimization/35286
5646         Fix PR tree-optimization/35287
5647         * Makefile.in (OBJS-common): Remove tree-vn.o.
5648         (tree-vn.o): Remove.
5649         * dbgcnt.def: Add treepre_insert debug counter.
5650         * gcc/tree-flow.h (add_to_value): Updated for other changes.
5651         (debug_value_expressions): Ditto.
5652         (print_value_expressions): Ditto.
5653         * tree-pretty-print.c (dump_generic_node): Updated for
5654         VALUE_HANDLE removal.
5655         * tree-ssa-dom.c (record_equality): Ditto.
5656         (cprop_operand): Ditto.
5657         (lookup_avail_expr): Ditto.
5658         * tree-ssa-threadedge.c
5659         (record_temporary_equivalences_from_stmts_at_dest): Ditto.
5660         (simplify_control_stmt_condition): Ditto.
5661         * tree.c (tree_code_size): Ditto.
5662         (tree_node_structure): Ditto.
5663         (iterative_hash_expr): Ditto.
5664         * tree.def: Ditto.
5665         * tree.h (VALUE_HANDLE_ID): Ditto.
5666         (VALUE_HANDLE_EXPR_SET): Ditto.
5667         (struct tree_value_handle): Ditto.
5668         (union tree_node): Ditto.
5669         * treestruct.def: Ditto.
5670         * tree-vn.c: Removed.
5671         * tree-ssa-pre.c: Rewritten entirely.
5672         * tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
5673         (constant_value_ids): Ditto.
5674         (vn_nary_op_t): Moved to header.
5675         (vn_phi_t): Ditto.
5676         (vn_reference_op_t): Ditto
5677         (vn_reference_t): Ditto.
5678         (next_value_id): New variable.
5679         (VN_INFO): Add an assert.
5680         (vn_constant_eq): New function.
5681         (vn_constant_hash): Ditto.
5682         (get_or_alloc_constant_value_id): Ditto.
5683         (value_id_constant_p): Ditto.
5684         (vn_reference_compute_hash): De-staticify.
5685         (copy_reference_ops_from_ref): Don't use get_callee_fndecl.
5686         Disable some code with a FIXME.  Remove VALUE_HANDLE use.
5687         (valueize_refs): Update opcode if it changes from ssa name to constant.
5688         (vn_reference_lookup_1): Add new argument.
5689         (vn_reference_lookup):  Ditto.
5690         (vn_reference_lookup_pieces): New function.
5691         (vn_reference_insert): Add return type. Modify to deal with value ids.
5692         (vn_reference_insert_pieces):  New function.
5693         (vn_nary_op_compute_hash): De-staticify.
5694         (vn_nary_op_eq): Ditto.
5695         (vn_nary_op_lookup_pieces): New function.
5696         (vn_nary_op_lookup): Add new argument.
5697         (vn_nary_op_insert_pieces): New function.
5698         (vn_nary_op_insert): Add return type. Modify to deal with value ids.
5699         (vn_phi_insert): Ditto.
5700         (visit_unary_op): Update for callee changes.
5701         (visit_binary_op): Ditto.
5702         (visit_reference_op_load): Ditto.
5703         (visit_reference_op_store): Ditto.
5704         (init_scc_vn): Init next_value_id, constant_to_value_id and
5705         constant_value_ids.
5706         (free_scc_vn): Free them.
5707         (set_hashtable_value_ids): New function.
5708         (run_scc_vn): Use it.
5709         (get_max_value_id): New function.
5710         (get_next_value_id): Ditto.
5711         (expressions_equal_p): Moved from tree-vn.c
5712         (sort_vuses): Ditto.
5713         (sort_vuses_heap): Ditto.
5714         * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
5715         above).
5716         * tree.c (iterative_hash_hashval_t): Made non-static
5717         * tree.h (iterative_hash_hashval_t): Declare it.
5718
5719 2008-07-08  Martin Jambor  <mjambor@suse.cz>
5720
5721         * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
5722         instead of ipa_create_node_params.
5723         (ipcp_driver): Allocate infos with ipa_check_create_node_params and
5724         ipa_check_create_edge_args, free them with
5725         free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.
5726
5727         * ipa-prop.c: Include flags.h and tree-inline.h.
5728         (ipa_node_params_vector): New variable.
5729         (ipa_edge_args_vector): New variable.
5730         (edge_removal_hook_holder): New variable.
5731         (node_removal_hook_holder): New variable.
5732         (edge_duplication_hook_holder): New variable.
5733         (node_duplication_hook_holder): New variable.
5734         (ipa_detect_param_modifications): Check for presence of modified flags.
5735         (ipa_compute_jump_functions): Check for presence of jump functions.
5736         (ipa_free_edge_args_substructures): New function.
5737         (ipa_create_node_params): Removed.
5738         (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
5739         (ipa_free_node_params_substructures): New function.
5740         (ipa_free_all_node_params): Changed to deallocate the on-the-side
5741         vector.
5742         (ipa_edge_removal_hook): New function.
5743         (ipa_node_removal_hook): New function.
5744         (duplicate_array): New function.
5745         (ipa_edge_duplication_hook): New function.
5746         (ipa_node_duplication_hook): New function.
5747         (ipa_register_cgraph_hooks): New function.
5748         (ipa_unregister_cgraph_hooks): New function.
5749         (free_all_ipa_structures_after_ipa_cp): New function.
5750
5751         * ipa-prop.h: Include vec.h.
5752         (ipa_node_params_t): New typedef with vector types for it.
5753         (ipa_edge_args_t):  New typedef with vector types for it.
5754         (IPA_NODE_REF): Changed to access an on-the-side vector.
5755         (IPA_EDGE_REF): Changed to access an on-the-side vector.
5756         (ipa_check_create_node_params): New function.
5757         (ipa_check_create_edge_args): New function.
5758
5759         * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
5760         all users.
5761
5762 2008-07-07  Tom Tromey  <tromey@redhat.com>
5763
5764         * configure, config.in: Rebuilt.
5765         * configure.ac: Don't check for scandir or alphasort.
5766
5767 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
5768
5769         * config/arm/arm.c (arm_init_neon_builtins): Register built-in
5770         types immediately after creating them.
5771
5772 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
5773
5774         * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.
5775
5776 2008-07-07  Fernando Pereira <fernando@cs.ucla.edu>
5777
5778         * tree-ssa-structalias.c (compute_points_to_sets): Add call to
5779         dump_constraint_graph.
5780         (dump_constraint_edge): New function.
5781         (dump_constraint_graph): New function.
5782         (debug_constraint_graph): New function.
5783         (dump_constraint): Removed useless comparison.
5784         * tree-ssa-structalias.h (dump_constraint_edge): Declare.
5785         (dump_constraint_graph): Declare.
5786         (debug_constraint_graph): Declare.
5787         * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH.
5788
5789 2008-07-07  Kai Tietz  <kai.tietz@onevision.com>
5790
5791         * config/i386/i386.c (is_va_list_char_pointer): New.
5792         (ix86_va_start): Replace compare with ms_va_list_type_node
5793         by is_va_list_char_pointer.
5794         (ix86_gimplify_va_arg): Likewise.
5795
5796 2008-07-07  Martin Jambor  <mjambor@suse.cz>
5797
5798         * cgraph.c (cgraph_edge_max_uid): New variable.
5799         (struct cgraph_edge_hook_list): New type.
5800         (struct cgraph_node_hook_list): New type.
5801         (struct cgraph_2edge_hook_list): New type.
5802         (struct cgraph_2node_hook_list): New type.
5803         (first_cgraph_edge_removal_hook): New variable.
5804         (first_cgraph_node_removal_hook): New variable.
5805         (first_cgraph_edge_duplicated_hook): New variable.
5806         (first_cgraph_node_duplicated_hook): New variable.
5807         (cgraph_add_edge_removal_hook): New function.
5808         (cgraph_remove_edge_removal_hook): New function.
5809         (cgraph_call_edge_removal_hooks):  New function.
5810         (cgraph_add_node_removal_hook):  New function.
5811         (cgraph_remove_node_removal_hook):  New function.
5812         (cgraph_call_node_removal_hooks):  New function.
5813         (cgraph_add_edge_duplication_hook):  New function.
5814         (cgraph_remove_edge_duplication_hook):  New function.
5815         (cgraph_call_edge_duplication_hooks):  New function.
5816         (cgraph_add_node_duplication_hook):  New function.
5817         (cgraph_remove_node_duplication_hook):  New function.
5818         (cgraph_call_node_duplication_hooks):  New function.
5819         (cgraph_create_edge): Assign to edge uid.
5820         (cgraph_remove_edge): Call edge removal hooks.
5821         (cgraph_node_remove_callees): Call edge removal hooks.
5822         (cgraph_node_remove_callers): Call edge removal hooks.
5823         (cgraph_remove_node): Call node removal hooks.
5824         (cgraph_clone_edge): Call edge duplication hooks.
5825         (cgraph_clone_node): Call node duplication hooks.
5826
5827         * cgraph.h (cgraph_edge): New field uid.
5828         (cgraph_edge_hook): New type.
5829         (cgraph_node_hook): New type.
5830         (cgraph_2edge_hook): New type.
5831         (cgraph_2node_hook): New type.
5832
5833 2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>
5834
5835         * config.in: Regenerate.
5836
5837 2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>
5838
5839         * gcc.c (print_sysroot): New.
5840         (option_map, display_help, process_command): Handle the
5841         -print-sysroot option.
5842         (main): Print the sysroot if requested.
5843         * doc/invoke.texi (Debugging Options): Document -print-sysroot.
5844
5845 2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5846
5847         PR target/34780
5848         * unwind-pe.h (size_of_encoded_value): add attribute unused.
5849
5850 2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>
5851
5852         * function.c (assign_parm_remove_parallels): Check mode of entry_parm.
5853         (assign_parm_setup_block_p): Also check mode of entry_parm.
5854
5855 2008-07-07  Richard Guenther  <rguenther@suse.de>
5856
5857         * tree-ssa-structalias.h (set_used_smts): Remove.
5858         * tree-ssa-structalias.c (used_smts): Likewise.
5859         (set_used_smts): Likewise.
5860         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
5861         call to set_used_smts.
5862
5863 2008-07-07  Richard Guenther  <rguenther@suse.de>
5864
5865         * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
5866         (new_var_info): Set it to false.
5867         (solution_set_add): Correctly handle pointers outside a var and
5868         inside a field.
5869         (type_safe): Treat variables with is_full_var properly.
5870         (do_sd_constraint): Likewise.
5871         (do_ds_constraint): Likewise.
5872         (process_constraint): Remove zeroing offset for !use_field_sensitive.
5873         (get_constraint_for_ptr_offset): New function.
5874         (get_constraint_for_component_ref): For addresses at least include
5875         the last field of the variable.  Handle is_full_vars properly.
5876         (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
5877         (handle_ptr_arith): Remove.
5878         (find_func_aliases): Simplify assignment handling.
5879         (create_function_info_for): For parameter and result varinfos set
5880         is_full_var flag.
5881         (create_variable_info_for): Set is_full_var flag whenever we
5882         just created a single varinfo for a decl.
5883         (init_alias_vars): Initialize use_field_sensitive from
5884         max-fields-for-field-sensitive parameter.
5885
5886 2008-07-07  Richard Guenther  <rguenther@suse.de>
5887
5888         PR tree-optimization/36713
5889         * tree-flow-inline.h (is_call_used): New function.
5890         * tree-nrv.c (dest_safe_for_nrv_p): Use it.
5891         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
5892         * tree-outof-ssa.c (create_temp): Set call-used flag if required.
5893
5894 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
5895
5896         * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
5897
5898 2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>
5899
5900         * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.
5901
5902 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
5903             Nathan Sidwell  <nathan@codesourcery.com>
5904
5905         * config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
5906         to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
5907         tmake_file.
5908         * config/m68k/t-linux: New.
5909         * doc/install.texi: Document m68k-*-linux is now multilibbed by
5910         default.
5911
5912 2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>
5913
5914         * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
5915         * config/m68k/m68k-devices.def: Remove multilibs that only differ
5916         by MAC/EMAC.
5917
5918 2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5919
5920         * gcc.c (execute): Fix -Wc++-compat warning.
5921
5922 2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>
5923
5924         PR target/36720
5925         * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
5926         constant for little endian.
5927
5928 2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>
5929
5930         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
5931         mips_base_mips16 instead of TARGET_MIPS16.
5932         (mips_base_mips16): Declare.
5933         * config/mips/mips.c (mips_base_mips16): Make global.
5934         (was_mips16_p): Remove GTY marker.
5935         (was_mips16_pch_p): New variable.
5936         (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
5937         (mips_override_options): Force to non-MIPS16 mode initially.
5938         Do not complain about MIPS16 PIC incompatibilities here.
5939         Only allow -mgpopt if -mexplicit-relocs is in force for
5940         non-MIPS16 code.
5941
5942 2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>
5943
5944         * configure.ac: Check for caddr_t, define to char * if not defined.
5945         * configure: Regenerate.
5946         * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
5947         (mmap_gt_pch_use_address): Likewise.
5948         * config/host-solaris.c (sol_gt_pch_use_address): Likewise.
5949
5950 2008-07-06  Richard Guenther  <rguenther@suse.de>
5951
5952         * tree-ssa-structalias.c (struct variable_info): Remove has_union.
5953         (new_var_info): Deal with it.
5954         (solution_set_add): Likewise.
5955         (bitpos_of_field): Make signed, fix.
5956         (struct fieldoff): Remove type and decl fields.  Make size field
5957         unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
5958         flags.
5959         (fieldoff_compare): Deal with it.
5960         (push_fields_onto_fieldstack): Remove has_union argument, glob
5961         adjacent non-pointer fields together.
5962         (create_function_info_for): Do not set has_union.
5963         (create_variable_info_for): Simplify.
5964
5965 2008-07-06  Kai Tietz  <kai.tietz@onevision.com>
5966
5967         * config.gcc (extra_headers): Add cross-stdarg.h for target
5968         x86_64-*-* and i?86-*-*.
5969         * config/i386/cross-stdarg.h: New.
5970         * builtins.c (std_fn_abi_va_list): New.
5971         (std_canonical_va_list_type): New.
5972         (stabilize_va_list): Replace va_list_type_node use by
5973         mtarget.canonical_va_list_type.
5974         (gimplify_va_arg_expr): Likewise.
5975         (expand_builtin_va_copy): Replace va_list_type_node use by
5976         mtarget.fn_abi_va_list.
5977         * tree-sra.c (is_va_list_type): New helper.
5978         (decl_can_be_decomposed_p): Replace
5979         va_list_type_node use by is_va_list_type.
5980         * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
5981         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
5982         * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
5983         * config/i386/i386-protos.h (ix86_get_valist_type): New.
5984         (ix86_enum_va_list): New.
5985         * config/i386/i386.c (sysv_va_list_type_node): New.
5986         (ms_va_list_type_node): New.
5987         (ix86_function_type_abi): Remove sorry.
5988         (ix86_build_builtin_va_list_abi): New.
5989         (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
5990         for 64-bit targets.
5991         (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
5992         (ix86_init_builtins_va_builtins_abi): New.
5993         (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
5994         for 64-bit targets.
5995         (ix86_handle_abi_attribute): New.
5996         (attribute_spec): Add sysv_abi and ms_abi.
5997         (ix86_fn_abi_va_list): New.
5998         (ix86_canonical_va_list_type): New.
5999         (ix86_enum_va_list): New.
6000         (TARGET_FN_ABI_VA_LIST): New.
6001         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6002         * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
6003         * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
6004         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6005         (TARGET_ENUM_VA_LIST): New.
6006         * expr.h (std_fn_abi_va_list): New.
6007         (std_canonical_va_list_type): New.
6008         * target-def.h (TARGET_FN_ABI_VA_LIST): New.
6009         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6010         (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
6011         TARGET_CANONICAL_VA_LIST_TYPE.
6012         * target.h (struct gcc_target): Add fn_abi_va_list hook
6013         and canonical_va_list_type hook.
6014
6015 2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6016
6017         * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
6018         integral and pointer types.
6019
6020 2008-07-04  Roger Sayle  <roger@eyesopen.com>
6021
6022         * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
6023         the "void*" result of xmalloc to "char*" to fix bootstrap breakage.
6024
6025 2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
6026
6027         PR target/36684
6028         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.
6029
6030 2008-07-04  Jakub Jelinek  <jakub@redhat.com>
6031
6032         * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
6033         build_gimple_modify_stmt.
6034         (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
6035         gimple operand.  Use fold_build* instead of build*.
6036
6037 2008-07-04  Richard Guenther  <rguenther@suse.de>
6038
6039         * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
6040         (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
6041         properly to compute the reachability set if we do field-sensitive PTA.
6042         * invoke.texi (max-fields-for-field-sensitive): Document default.
6043         * opts.c (decode_options): Set max-fields-for-field-sensitive to
6044         100 for optimize >= 2.
6045
6046 2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6047
6048         * ggc-zone.c (lookup_page_table_if_allocated,
6049         set_page_table_entry, zone_find_object_size, alloc_small_page,
6050         alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
6051         new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
6052         -Wc++-compat and/or -Wcast-qual warnings.
6053
6054 2008-07-04  Alan Modra  <amodra@bigpond.net.au>
6055
6056         PR target/36634
6057         * config/rs6000/rs6000.md (call, call_value): Don't arrange for
6058         pic_offset_table_rtx to be marked as used here.
6059         (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
6060         TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
6061         (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
6062         (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
6063         !TARGET_SECURE_PLT.
6064
6065 2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6066
6067         * alloc-pool.c (hash_descriptor, eq_descriptor,
6068         alloc_pool_descriptor): Fix -Wc++-compat warnings.
6069         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
6070         Likewise.
6071         * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
6072         loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
6073         final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
6074         * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
6075         Likewise.
6076
6077 2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>
6078
6079         * tree-flow.h (loop_only_exit_p): Declare.
6080         * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
6081         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
6082         the number of iterations if it is constant.  Otherwise, if this is the
6083         only possible exit of the loop, use the conservative estimate on the
6084         number of iterations of the entire loop if available.
6085
6086 2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>
6087
6088         * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
6089         * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
6090         Add synchronization functions.
6091         * config/sync.c: New file.
6092         * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
6093         (LIBGCC_SYNC_CFLAGS): Likewise.
6094
6095 2008-07-03  Uros Bizjak  <ubizjak@gmail.com>
6096
6097         PR target/36710
6098         * config/i386/i386.md (mode): Add TF to "mode" attribute.
6099         (*pushtf_sse): New insn pattern.
6100         (pushtf splitters): New splitters.
6101
6102 2008-07-03  Michael Meissner  <gnu@the-meissners.org>
6103
6104         PR middle-end/35736
6105         * predict.c (build_predict_expr): Use void_type_node for the tree
6106         type, instead of NULL_TREE.
6107
6108 2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>
6109
6110         * config/i386/i386.c (contains_aligned_value_p): Return true
6111         for TCmode.
6112         (ix86_data_alignment): Align TCmode to 128bits.
6113         (ix86_local_alignment): Likewise.
6114
6115 2008-07-03  Andrew Haley  <aph@redhat.com>
6116
6117         PR bootstrap/33304
6118         * vec.h (VEC_TA): New.
6119         (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
6120         DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
6121         * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
6122         (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
6123         (C_COMMON_FIXED_TYPES): Remove first arg.
6124         (C_COMMON_FIXED_MODE_TYPES): Likewise.
6125         * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
6126         MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
6127         not to use empty macro arguments.
6128
6129 2008-07-02  Joseph Myers  <joseph@codesourcery.com>
6130
6131         * config/alpha/vms_tramp.asm, config/arm/crti.asm,
6132         config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
6133         config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
6134         config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
6135         config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
6136         config/i386/sol2-gc1.asm, config/ia64/crti.asm,
6137         config/ia64/crtn.asm, config/m68hc11/larith.asm,
6138         config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
6139         config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
6140         config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
6141         config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
6142         config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
6143         config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
6144         config/rs6000/e500crtres64gpr.asm,
6145         config/rs6000/e500crtres64gprctr.asm,
6146         config/rs6000/e500crtrest32gpr.asm,
6147         config/rs6000/e500crtrest64gpr.asm,
6148         config/rs6000/e500crtresx32gpr.asm,
6149         config/rs6000/e500crtresx64gpr.asm,
6150         config/rs6000/e500crtsav32gpr.asm,
6151         config/rs6000/e500crtsav64gpr.asm,
6152         config/rs6000/e500crtsav64gprctr.asm,
6153         config/rs6000/e500crtsavg32gpr.asm,
6154         config/rs6000/e500crtsavg64gpr.asm,
6155         config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
6156         config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
6157         config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
6158         config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
6159         config/sparc/sol2-cn.asm: Remove .file directives.
6160
6161 2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>
6162
6163         * resource.c (mark_referenced_resources): Look inside
6164         UNSPEC_VOLATILEs and ASM_INPUTs.
6165
6166 2008-07-02  Ian Lance Taylor  <iant@google.com>
6167
6168         * rtlanal.c (add_reg_note): New function.
6169         * rtl.h (add_reg_note): Declare.
6170         * auto-inc-dec.c (attempt_change): Use add_reg_note.
6171         * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
6172         * builtins.c (expand_builtin_longjmp): Likewise.
6173         (expand_builtin_nonlocal_goto): Likewise.
6174         * calls.c (emit_call_1, expand_call): Likewise.
6175         * cfgexpand.c (add_reg_br_prob_note): Likewise.
6176         * cfglayout.c (fixup_reorder_chain): Likewise.
6177         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
6178         (commit_one_edge_insertion): Likewise.
6179         * combine.c (move_deaths, distribute_notes): Likewise.
6180         * df-problems.c (df_set_note): Likewise.
6181         * emit-rtl.c (link_cc0_insns, try_split): Likewise.
6182         (set_unique_reg_note): Likewise.
6183         (emit_copy_of_insn_after): Likewise.
6184         * expr.c (expand_expr_real): Likewise.
6185         * gcse.c (add_label_notes): Likewise.
6186         * haifa-sched.c (create_check_block_twin): Likewise.
6187         * jump.c (mark_jump_label_1): Likewise.
6188         * loop-doloop.c (add_test, doloop_modify): Likewise.
6189         * loop-unswitch.c (compare_and_jump_seq): Likewise.
6190         * lower-subreg.c (move_eh_region_note): Likewise.
6191         * optabs.c (emit_libcall_block): Likewise.
6192         * predict.c (predict_insn): Likewise.
6193         (combine_predictions_for_insn): Likewise.
6194         * recog.c (peephole2_optimize): Likewise.
6195         * regmove.c (try_auto_increment): Likewise.
6196         * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
6197         * reload.c (find_reloads): Likewise.
6198         * reload1.c (fixup_eh_region_note): Likewise.
6199         (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
6200         * reorg.c (delete_prior_computation): Likewise.
6201         (delete_computation, dbr_schedule): Likewise.
6202         * config/pa/pa.c (legitimize_pic_address): Likewise.
6203         * config/sh/sh.c (sh_reorg): Likewise.
6204
6205 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6206
6207         PR target/36669
6208         * config/libgcc-glibc.ver: Add %exclude.
6209         * config/m32r/libgcc-glibc.ver: Likwise.
6210         * config/s390/libgcc-glibc.ver: Likwise.
6211         * config/sh/libgcc-glibc.ver: Likwise.
6212         * config/sparc/libgcc-sparc-glibc.ver: Likwise.
6213
6214         * config/i386/libgcc-glibc.ver: New.
6215
6216         * config/i386/libgcc-x86_64-glibc.ver: Removed.
6217
6218 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6219
6220         * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
6221         from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
6222         i[34567]86-*-linux*, x86_64-*-linux*.  Add
6223         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
6224         i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
6225         x86_64-*-linux*.  Add i386/t-linux to tmake_file for
6226         i[34567]86-*-linux*, x86_64-*-linux*.
6227
6228         * libgcc-std.ver: Add empty GCC_4.4.0.
6229
6230         * mkmap-symver.awk: Support multiple versions per symbol.
6231
6232         * config/i386/i386.c (ix86_init_builtins): Always define
6233         __builtin_fabsq and __builtin_copysignq with fallbacks.
6234         (ix86_expand_builtin): Emit normal call for __builtin_fabsq
6235         and __builtin_copysignq if SSE2 isn't available.
6236
6237         * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
6238         (LIBGCC2_TF_CEXT): Likwise.
6239         (TF_SIZE): Likwise.
6240
6241         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
6242
6243         * config/i386/sfp-machine.h: Moved to libgcc.
6244
6245         * config/i386/sfp-machine.h: New.
6246         * config/i386/t-linux: Likwise.
6247
6248         * config/i386/t-darwin: Remove softfp_wrap_start and
6249         softfp_wrap_end.
6250         * config/i386/t-darwin64: Likewise.
6251
6252         * config/i386/t-fprules-softfp64: Renamed to ...
6253         * config/i386/t-fprules-softfp: This.
6254
6255         * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
6256         and softfp_wrap_end.
6257
6258 2008-07-02  Jason Merrill  <jason@redhat.com>
6259
6260         * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.
6261
6262         * tree.c (ctor_to_list): New fn.
6263         * tree.h: Declare it.
6264         (CONSTRUCTOR_ELT): New macro.
6265         (CONSTRUCTOR_NELTS): New macro.
6266
6267 2008-07-02  Richard Guenther  <rguenther@suse.de>
6268
6269         * tree-ssa-structalias.c (struct variable_info): Reorder
6270         to fill padding on 64bit hosts.  Make collapsed_to an int.
6271         (get_varinfo_fc): Deal with that.
6272         (new_var_info): Likewise.
6273         (collapse_rest_of_var): Likewise.
6274
6275 2008-07-02  Joshua Sumali  <jsumali@redhat.com>
6276
6277         * doc/install.texi (--enable-java-home): Document.
6278         (--enable-aot-compile-rpm): Likewise.
6279         (--with-arch-directory): Likewise.
6280         (--with-os-directory): Likewise.
6281         (--with-origin-name): Likewise.
6282         (--with-arch-suffix): Likewise.
6283         (--with-jvm-root-dir): Likewise.
6284         (--with-jvm-jar-dir): Likewise.
6285         (--with-python-dir): Likewise.
6286
6287 2008-07-02  Richard Guenther  <rguenther@suse.de>
6288
6289         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
6290         from decls explicitly.  Merge operand checking from tuples.
6291
6292 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6293
6294         * tree-switch-conversion.c: Included timevar.h which I forgot before.
6295
6296 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6297
6298         * tree-switch-conversion.c: Included timevar.h
6299         (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).
6300
6301         * timevar.def: Added TV_TREE_SWITCH_CONVERSION.
6302
6303 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6304
6305         * tree-switch-conversion.c: Corrected various comments and
6306         whitespace issues
6307         (build_constructors): Fixed minor formatting mistakes.
6308
6309         * invoke.texi (Optimize Options): Corrected the
6310         switch-conversion-max-branch-ratio parameter.
6311
6312 2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>
6313
6314         * final.c (asm_insn_count): Return zero for an empty asm body.
6315
6316 2008-07-02  Richard Guenther  <rguenther@suse.de>
6317
6318         * bitmap.h (bitmap_set_bit): Return bool.
6319         (bitmap_clear_bit): Likewise.
6320         * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
6321         write to the bitmap if it would.
6322         (bitmap_clear_bit): Likewise.
6323         * tree-ssa-structalias.c (add_implicit_graph_edge): Use
6324         bitmap_set_bit return value.
6325         (add_pred_graph_edge): Likewise.
6326         (add_graph_edge): Likewise.
6327         (do_sd_constraint): Likewise.
6328         (do_ds_constraint): Likewise.
6329
6330 2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6331
6332         * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
6333         Fix -Wc++-compat and/or -Wcast-qual warnings.
6334         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
6335         gen_regparm_prefix): Likewise.
6336         * vmsdbgout.c (write_modbeg, lookup_filename,
6337         vmsdbgout_source_line, vmsdbgout_init): Likewise.
6338
6339 2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>
6340
6341         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
6342         defaults.h definition apply.
6343
6344 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
6345
6346         * function.c (assign_parm_remove_parallels): New.
6347         (assign_parm_setup_block_p): Do not return true for non-BLKmode
6348         PARALLELs.
6349         (assign_parm_setup_block): Do not handle them.
6350         (assign_parm_setup_reg, assign_parm_setup_stack): Call
6351         assign_parm_remove_parallels.
6352
6353 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
6354
6355         * c-typeck.c (convert_for_assignment): Use
6356         vector_targets_convertible_p.
6357         * c-common.c (vector_targets_convertible_p): New.
6358         * c-common.h (vector_targets_convertible_p): New prototype.
6359         * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
6360         opaque_p_V2SI_type_node.
6361
6362 2008-07-01  Steve Ellcey  <sje@cup.hp.com>
6363
6364         * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
6365         RFmode constants.
6366
6367 2008-07-01  Uros Bizjak  <ubizjak@gmail.com>
6368
6369         * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
6370         TFmode constants via two element DImode vector for hosts with
6371         HOST_BITS_PER_WIDE_INT < 64.
6372         (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
6373         also for HOST_BITS_PER_WIDE_INT < 64.
6374
6375 2008-07-01  Richard Guenther  <rguenther@suse.de>
6376
6377         PR tree-optimization/36666
6378         * tree-ssa-structalias.c (get_constraint_for_1): Declare.
6379         (get_constraint_exp_from_ssa_var): Split into ...
6380         (get_constraint_exp_for_temp): ... this ...
6381         (get_constraint_for_ssa_var): ... and that.
6382         Return constraint expressions for all touched sub-fields
6383         if the results address is not taken.
6384         (process_constraint): Remove assertion that aggregate
6385         assignments do not happen at this place.
6386         (get_constraint_for_component_ref): Add address_p argument.
6387         Return constraint expressions for all touched sub-fields
6388         if the results address is not taken.
6389         (do_deref): Use get_constraint_exp_for_temp.
6390         (get_constraint_for_1): Rename from ...
6391         (get_constraint_for): ... this.  Add the old function as wrapper.
6392         (do_structure_copy): Use get_constraint_for_1.
6393
6394 2008-07-01  Martin Jambor  <mjambor@suse.cz>
6395
6396         * Makefile.in (tree-switch-conversion.o): Add.
6397         (OBJS-common): Add tree-swtch-conversion.o.
6398         * passes.c (init_optimization_passes): Add pass_convert_switch.
6399         * tree-pass.h: (pass_convert_switch): Add.
6400         * tree-switch-conversion.c: New file.
6401         * gcc.dg/tree-ssa/cswtch.c: New testcase.
6402         * common.opt (ftree-cswtch): New option.
6403         * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
6404         * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
6405         * opts.c (decode_options): Set flag_tree_switch_conversion when
6406         optimization level is >= 2.
6407         * doc/invoke.texi (Optimize Options): Added description of
6408         -ftree-swtch-conversion and switch-conversion-max-branch-ratio.
6409
6410 2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6411
6412         * config/darwin-driver.c (darwin_default_min_version): Fix
6413         -Wc++-compat warnings.
6414
6415 2008-06-30  Uros Bizjak  <ubizjak@gmail.com>
6416
6417         * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
6418         of operand 0.
6419
6420 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
6421
6422         * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
6423
6424 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
6425
6426         PR rtl-optimization/34744
6427         * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
6428         (df_scan_free_internal): Free data structures not
6429         allocated in storage pools.
6430         (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
6431         (df_refs_add_to_chains): Use df_scan_free_ref_vec and
6432         df_scan_free_mws_vec.
6433         * dse.c (dse_step6): Free offset_map_p and offset_map_n
6434         unconditionally.
6435
6436 2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>
6437
6438         * config/i386/i386.c (contains_aligned_value_p): Return true
6439         for __float128.
6440         (ix86_function_arg_boundary): Return its natural boundary
6441         for __float128.
6442         (return_in_memory_32): Don't check TDmode.
6443         (ix86_split_to_parts): Support splitting into 4 parts and
6444         support TFmode for 32bit target.
6445         (ix86_split_long_move): Support splitting into 4 parts.
6446         (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
6447         for SSE2.
6448         (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
6449         (ix86_init_builtins): Here.
6450         (ix86_scalar_mode_supported_p): Always return true for TFmode.
6451         (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
6452         'q' and 'w', respectively.
6453
6454         * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
6455         TARGET_64BIT.
6456         (movtf_internal): Likewise.
6457         (<code>tf2): Likewise.
6458         (*absnegtf2_sse): Likewise.
6459         (copysign<mode>3): Likewise.
6460         (copysign<mode>3_const): Likewise.
6461         (copysign<mode>3_var): Likewise.
6462         (define_split UNSPEC_COPYSIGN): Likewise.
6463         * config/i386/sse.md (*nandtf3): Likewise.
6464         (<code>tf3): Likewise.
6465         (*<code>tf3): Likewise.
6466
6467 2008-06-30  Joey Ye  <joey.ye@intel.com>
6468             H.J. Lu  <hongjiu.lu@intel.com>
6469
6470         * global.c (compute_regsets): Set frame_pointer_needed here.
6471         * reload1.c (init_elim_table): Don't set frame_pointer_needed here.
6472
6473 2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
6474
6475         * doc/install.texi (specific): Expand Windows build notes.
6476
6477 2008-06-30  Ira Rosen  <irar@il.ibm.com>
6478
6479         PR tree-optimization/36648
6480         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
6481         number of prolog iterations by step. Fix the comment.
6482
6483 2008-06-30  Richard Guenther  <rguenther@suse.de>
6484
6485         PR middle-end/36671
6486         * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
6487         handle calls from ECF_MALLOC functions.
6488         (handle_pure_call): ECF_MALLOC functions do not return
6489         call-used memory.
6490         (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
6491
6492 2008-06-29  Andreas Schwab  <schwab@suse.de>
6493
6494         * config/m68k/m68k.c (print_operand): Always print a float
6495         constant in hex.
6496         * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
6497         (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
6498         Remove macros.
6499
6500         * config/rs6000/x-linux64: Remove never used file.
6501
6502 2008-06-29  Richard Guenther  <rguenther@suse.de>
6503
6504         * tree-ssa-structalias.h (compute_points_to_sets): Adjust
6505         prototype.
6506         (struct alias_info): Move ...
6507         * tree-ssa-alias.c: ... here.
6508         (update_alias_info): Declare.
6509         (compute_may_aliases): Call it.
6510         (update_alias_info): New function.
6511         * tree-ssa-structalias.c (update_alias_info): Move ...
6512         * tree-ssa-alias.c (update_alias_info_1): ... here.
6513         * tree-ssa-structalias.c (process_constraint_1): Remove
6514         unused from_call argument.  Rename to ...
6515         (process_constraint): ... this.  Delete old wrapper.
6516         (make_constraint_to): Adjust callers.
6517         (handle_const_call): Likewise.
6518         (handle_pure_call): Likewise.
6519         (init_base_vars): Likewise.
6520         (handle_lhs_call): Likewise.  Remove unnecessary constraint.
6521         (find_func_aliases): We don't need structure copies for
6522         complex types.
6523         (make_constraint_from_anything): Remove.
6524         (create_variable_info_for): For globals make constraints
6525         from escaped, not from anything.
6526         (compute_points_to_sets): Do not call update_alias_info.
6527         (ipa_pta_execute): Use make_constraint_from.
6528
6529 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6530
6531         * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
6532         (bitmap.o-warn, dominance.o-warn): New.
6533         * configure.ac (cxx_compat_warn): Delete.
6534         (loose_warn): Add -Wcast-qual and -Wc++-compat.
6535         * system.h: Remove #pragma diagnostic for -Wcast-qual and
6536         -Wc++-compat.
6537         * configure: Regenerate.
6538
6539         * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
6540         warnings.
6541
6542 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6543
6544         * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
6545         * df-scan.c (df_notes_rescan): Likewise.
6546         * ggc-page.c (set_page_table_entry): Likewise.
6547         * intl.c (gcc_gettext_width): Likewise.
6548         * varasm.c (get_unnamed_section, get_noswitch_section,
6549         get_section): Likewise.
6550
6551 2008-06-28  Andrew Jenner  <andrew@codesourcery.com>
6552
6553         * regrename.c (build_def_use): Don't copy RTX.
6554
6555 2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>
6556
6557         * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
6558         (Type Attributes): Fix nesting of @table and @subsection.  Adjust
6559         punctuation.  Use @ref instead of @xref.
6560         (Function Names): Remove stray @display/@end display.
6561         (C++ Attributes): Use @ref instead of @xref.
6562         (Deprecated Features): Fix punctuation around @xref.
6563         (Backwards Compatibility): Likewise.
6564         * doc/rtl.texi (Incdec): Remove stray @table/@end table.
6565
6566 2008-06-28  Joseph Myers  <joseph@codesourcery.com>
6567
6568         * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
6569         constants for E500 double.
6570
6571 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6572
6573         * doc/rtl.texi (const_vector): Document const_fixed as legitimate
6574         element type of const_vector.
6575
6576 2008-06-28  Uros Bizjak  <ubizjak@gmail.com>
6577
6578         * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
6579         Remove FLAGS_REG clobber from expander pattern.
6580         (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
6581         (anddi3, andsi3, andhi3, andqi3): Ditto.
6582         (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
6583         (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
6584         (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
6585         (ashlsi3, ashlhi3, ashlqi3): Ditto.
6586         (ashrsi3, ashrhi3, ashrqi3): Ditto.
6587         (lshrsi3, lshrhi3, lshrqi3): Ditto.
6588         (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
6589         (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.
6590
6591 2008-06-28  Richard Guenther  <rguenther@suse.de>
6592
6593         * tree-ssa-structalias.c (callused_id, var_callused,
6594         callused_tree): Add.
6595         (handle_pure_call): New function.
6596         (find_func_aliases): Call it.
6597         (find_what_p_points_to): Handle the call-used set.
6598         (clobber_what_escaped): Likewise.
6599         (compute_call_used_vars): New function.
6600         (init_base_vars): Init the call-used variable.
6601         (do_sd_constraint): Do not propagate the solution from CALLUSED
6602         but use CALLUSED as a placeholder.
6603         (solve_graph): Likewise.
6604         * tree-flow-inline.h (gimple_call_used_vars): New function.
6605         * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
6606         (compute_call_used_vars): Declare.
6607         * tree-ssa-alias.c (set_initial_properties): Call
6608         compute_call_used_vars.
6609         (reset_alias_info): Clear call-used variables.
6610         (add_call_clobber_ops): Assert we are not called for const/pure
6611         functions.  Remove handling of them.
6612         (add_call_read_ops): Handle pure functions by adding the
6613         call-used set of variables as VUSEs.
6614         * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
6615         (delete_tree_ssa): Free it.
6616         * tree-dfa.c (remove_referenced_var): Clear the var from the
6617         call-used bitmap.
6618
6619 2008-06-28  Kai Tietz  <kai.tietz@onevision.com>
6620
6621         * tree.c (build_varargs_function_type_list): New.
6622         (build_function_type_list_1): New.
6623         (build_function_type_list): Use build_function_type_list_1.
6624         * tree.h (build_varargs_function_type_list): New.
6625
6626 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6627
6628         PR target/34856
6629         * config/spu/spu.c (spu_builtin_splats): Do not generate
6630         invalid CONST_VECTOR expressions.
6631         (spu_expand_vector_init): Likewise.
6632
6633 2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>
6634
6635         * optabs.c (libfunc_decls): New variable.
6636         (libfunc_decl_hash, libfunc_decl_eq): New functions.
6637         (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
6638         for the same function twice.
6639
6640 2008-06-27  Uros Bizjak  <ubizjak@gmail.com>
6641
6642         * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
6643         ix86_expand_binary_operator directly.
6644         (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
6645         for operand 2.
6646         (*ashrti3_1): Ditto.
6647         (*lshrti3_1): Ditto.
6648         (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
6649         (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
6650         using only one splitter.  Conditionaly execute splitter before or
6651         after peephole2 pass.
6652         (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
6653         (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
6654         Use only one alternative in asm template.
6655         (x86_64_shld): Compress operand 2 constraints. Use only one alternative
6656         in asm template.
6657         (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
6658         "J" operand constraint for operand 2.
6659         (*ashldi3_cconly_rex64): Ditto.
6660         (*ashrdi3_cmp_rex64): Ditto.
6661         (*ashrdi3_cconly_rex64): Ditto.
6662         (*lshrdi3_cmp_rex64): Ditto.
6663         (*lshrdi3_cconly_rex64): Ditto.
6664         * config/i386/predicates.md (const_1_to_63_operand): New predicate.
6665         * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
6666         (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
6667         gen_x86_shrd_1.
6668
6669 2008-06-27  Jakub Jelinek  <jakub@redhat.com>
6670
6671         * gimplify.c (omp_is_private): Don't return true if decl is not
6672         already private on #pragma omp for or #pragma omp parallel for.
6673
6674         PR debug/36617
6675         * tree-cfg.c (struct move_stmt_d): Replace block field with
6676         orig_block and new_block fields.
6677         (move_stmt_r): Only set TREE_BLOCK to p->new_block if
6678         if it used to be NULL, p->orig_block or if p->orig_block is NULL.
6679         (move_block_to_fn): Replace vars_map and new_label_map arguments
6680         with struct move_stmt_d pointer.
6681         (replace_block_vars_by_duplicates): New function.
6682         (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
6683         move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
6684         all subblocks of ORIG_BLOCK to the new function.  Call
6685         replace_block_vars_by_duplicates.
6686         * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
6687         * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
6688         BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
6689         Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
6690         (expand_omp): Temporarily set input_location to the location of
6691         region's controlling stmt.
6692         (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
6693         BIND_EXPR, push ctx->block_vars and gimplification vars into
6694         the BIND_EXPR and its block's BLOCK_VARS instead of directly
6695         into dest function.
6696         (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
6697         there are any BLOCK_VARS.
6698         (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
6699         OMP_PARALLEL or OMP_TASK stmt.
6700         (lower_omp): Save and restore input_location around the lower_omp_1
6701         call.
6702
6703 2008-06-27  Richard Guenther  <rguenther@suse.de>
6704
6705         PR tree-optimization/36400
6706         PR tree-optimization/36373
6707         PR tree-optimization/36344
6708         * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
6709         var_nonlocal, nonlocal_tree, nonlocal_id): New globals
6710         (update_alias_info): Remove call clobbering code.
6711         (make_constraint_to): New helper function.
6712         (make_escape_constraint): Likewise.
6713         (handle_rhs_call): Use it on all pointer containing arguments.
6714         Also mark the static chain escaped.
6715         (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
6716         instead of ANYTHING.
6717         (make_constraint_from): New helper split out from ...
6718         (make_constraint_from_anything): ... here.
6719         (find_func_aliases): Add constraints for escape sites.
6720         (intra_create_variable_infos): Make constraints from NONLOCAL
6721         for parameters.
6722         (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
6723         as ANYTHING.
6724         (clobber_what_p_points_to): Remove.
6725         (clobber_what_escaped): New function.
6726         (init_base_vars): Init NONLOCAL and ESCAPED.
6727         (do_sd_constraint): Do not propagate the solution from ESCAPED
6728         but use ESCAPED as a placeholder.
6729         (solve_graph): Likewise.
6730         * tree-flow.h (clobber_what_p_points_to): Remove.
6731         (clobber_what_escaped): Declare.
6732         * tree-ssa-alias.c (set_initial_properties): Call it.
6733         Remove code clobbering escaped pointers.
6734
6735 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
6736
6737         * function.c (allocate_struct_function): Only allocate a unique
6738         funcdef_no if the decl is nonzero.
6739
6740 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
6741
6742         * config/mips/mips-protos.h (mips_split_const_insns): Declare.
6743         * config/mips/mips.c (mips_split_const_insns): New function.
6744         * config/mips/mips.md (move_type): New attribute.
6745         (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
6746         (dword_mode): New attribute.
6747         (type): Avoid long line.  Map "move_type"s to "type"s,
6748         choosing "multi" for doubleword moves if appropriate.
6749         Swap MTC/MFC comments to match their declaration order.
6750         (extended_mips16): Default to "yes" if "move_type" is "sll0",
6751         "type" is "branch" or "jal" is "direct".
6752         (length): Handle "extended_mips16" first.  Make the default
6753         "0" for "ghost" instructions.  Set the length from "move_type".
6754         (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
6755         of "type", with "sll0" for the register alternative.  Remove the
6756         "extended_mips16" attribute.
6757         (zero_extendsidi2, *clear_upper32): Use "move_type" instead
6758         of "type", with "shift_shift" for the register alternative.
6759         Remove the "length" attribute.
6760         (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
6761         (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
6762         of "type", with "andi" for the register alternative.
6763         (*zero_extendqihi2): Likewise.
6764         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
6765         of "andi" instead of a "type" of "arith".
6766         (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
6767         instead of "type".
6768         (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
6769         (mov_<store>r, *mov<mode>_ra): Likewise.
6770         (extendsidi2): Use "move_type" instead of "type", with "move"
6771         for the register alternative.
6772         (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
6773         of "type", with "signext" for the register alternative.
6774         (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
6775         (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
6776         (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
6777         (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
6778         (floatdisf2, *branch_equality<mode>_mips16): Likewise.
6779         (unnamed branch insn): Likewise.
6780         (*movdi_gp32_fp64): Fold into...
6781         (*movdi_32bit): ...here.
6782         (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
6783         (*movdf_hardfloat): ...this new pattern.
6784         (*movdf_softfloat): Remove redundant FPR alternatives.
6785         (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
6786         (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
6787         (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
6788         the "move" attribute.
6789         (*movdi_32bit): Use "move_type" instead of "type" and remove the
6790         "length" attribute.  Use "fpload" and "fpstore" instead of "load"
6791         and "store" for COP loads and stores.
6792         (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
6793         (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
6794         (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
6795         (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
6796         (*movtf_mips16, *movv2sf): Likewise.
6797         (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
6798         (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
6799         (mfhc1<mode>): Use "move_type" instead of "move".
6800         (*low<mode>_mips16): Use "extended_mips16" instead of "length".
6801         (loadgp_blockage): Remove the "length" attribute.
6802         (blockage, set_got_version, update_got_version): Likewise.
6803         (call_internal): Remove the "extended_mips16" attribute.
6804         (call_value_internal, call_value_multiple_internal): Likewise.
6805         * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
6806         instead of "move".
6807         * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
6808         the "length" attribute.
6809
6810 2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6811
6812         * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
6813         -Wcast-qual warnings.
6814         * c-pragma.c (dpm_eq, handle_pragma_push_macro,
6815         handle_pragma_pop_macro): Likewise.
6816         * collect2.c (resolve_lib_name): Likewise.
6817         * config/arc/arc.c (arc_init): Likewise.
6818         * config/arm/arm.c (neon_builtin_compare,
6819         locate_neon_builtin_icode): Likewise.
6820         * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
6821         * config/bfin/bfin.c (bfin_init_machine_status,
6822         bfin_optimize_loop): Likewise.
6823         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6824         * config/cris/cris.c (cris_init_expanders): Likewise.
6825         * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
6826         * config/darwin.c (machopic_indirection_eq,
6827         machopic_indirection_name, machopic_output_indirection): Likewise.
6828         * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
6829         frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
6830         frv_optimize_membar): Likewise.
6831         * config/i386/cygwin.h (mingw_scan,
6832         GCC_DRIVER_HOST_INITIALIZATION): Likewise.
6833         * config/i386/cygwin1.c (mingw_scan): Likewise.
6834         * config/i386/i386.c (machopic_output_stub): Likewise.
6835         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
6836         i386_pe_unique_section): Likewise.
6837         * config/ia64/ia64.c (ia64_init_machine_status,
6838         ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
6839         Likewise.
6840         * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
6841         * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
6842         * config/m68k/m68k.c (m68k_handle_option,
6843         m68k_sched_md_init_global): Likewise.
6844         * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
6845         mcore_unique_section): Likewise.
6846         * config/mips/mips.c (mips_block_move_straight,
6847         mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
6848         Likewise.
6849         * config/mmix/mmix.c (mmix_init_machine_status,
6850         mmix_encode_section_info): Likewise.
6851         * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
6852         * config/rs6000/rs6000.c (rs6000_init_machine_status,
6853         print_operand_address, output_toc, redefine_groups,
6854         rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
6855         * config/s390/s390.c (s390_init_machine_status): Likewise.
6856         * config/score/score.c (score_block_move_straight,
6857         score_block_move_loop_body): Likewise.
6858         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
6859         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
6860         * emit-rtl.c (find_auto_inc): Likewise.
6861         * gcc.c (translate_options, process_command): Likewise.
6862         * reorg.c (dbr_schedule): Likewise.
6863         * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
6864         * xcoffout.c (xcoffout_declare_function): Likewise.
6865
6866 2008-06-27  Daniel Berlin  <dberlin@dberlin.org>
6867
6868         * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
6869         ipa-pta working again.
6870
6871 2008-06-27  David Edelsohn  <edelsohn@gnu.org>
6872
6873         * config/rs6000/t-aix52: Append large data option to LDFLAGS for
6874         genautomata.
6875
6876 2008-06-27  Edmar Wienskoski  <edmar@freescale.com>
6877
6878         * config.gcc (powerpc*-*-*): Add new core e500mc.
6879         * config/rs6000/e500mc.md: New file.
6880         * config/rs6000/rs6000.c (processor_costs): Add new costs for
6881         e500mc.
6882         (rs6000_override_options): Add e500mc case to
6883         processor_target_table. Altivec and Spe options not allowed
6884         with e500mc. Add isel instruction to e500mc by
6885         default. Initialize rs6000_cost for e500mc.
6886         (rs6000_issue_rate): Set issue rate for e500mc.
6887         * config/rs6000/rs6000.h (processor_type): Add
6888         PROCESSOR_PPCE500MC.
6889         (ASM_CPU_SPEC): Add e500mc.
6890         Set TARGET_ISEL to rs6000_isel.
6891         * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
6892         (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
6893         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
6894         Include e500mc.md.
6895         * doc/invoke.texi: Add e500mc to list of cpus.
6896
6897 2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
6898
6899         PR c/34867
6900         * c-lex.c (lex_charconst): Initialize unsignedp.
6901
6902 2008-06-27  Olivier Hainque  <hainque@adacore.com>
6903
6904         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
6905         documented assumptions.
6906
6907 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
6908
6909         * dwarf2out.c: Remove trailing white spaces.  Break long line
6910         in comments.
6911
6912 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
6913
6914         * libfuncs.h (LTI_synchronize): New libfunc_index.
6915         (synchronize_libfunc): Declare.
6916         * builtins.c (expand_builtin_synchronize): Consider using
6917         synchronize_libfunc before falling back on an asm blockage.
6918         * config/mips/mips.c: Include libfuncs.h
6919         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
6920
6921 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
6922
6923         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
6924         parameter.  Copy stack_reg to r11 where appropriate.
6925         (no_global_regs_above): Add gpr parameter.
6926         (rs6000_stack_info): Only add padding for SPE save area if we
6927         are saving SPE GPRs and CR.
6928         (saveres_routine_syms): New variable.
6929         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
6930         Define.
6931         (rs6000_savres_routine_sym): New function.
6932         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
6933         split out of...
6934         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
6935         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
6936         Tweak FPR out-of-line saving.
6937         (rs6000_make_savres_rtx): New function.
6938         (rs6000_use_multiple_p): New function.
6939         (rs6000_savres_strategy): New function.
6940         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
6941         out-of-line if appropriate.
6942         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
6943         if we are optimizing for size.
6944         (GP_SAVE_INLINE): Define.
6945         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
6946         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
6947         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
6948         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
6949         (*save_fpregs_<mode>): Add use of r11.
6950         (*restore_gpregs_<mode>): New insn.
6951         (*return_and_restore_gpregs_<mode>): New insn.
6952         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
6953         use r11.
6954         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
6955         (*restore_gpregs_spe): New insn.
6956         (*return_and_restore_gpregs_spe): New insn.
6957         * config/rs6000/predicates.md (save_world_operation): Fix check.
6958
6959 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
6960
6961         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
6962         this point, so assert that.
6963
6964 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
6965
6966         * cfganal.c: Include vec.h and vecprim.h.
6967         (compute_idf): Import from...
6968         * tree-into-ssa (compute_idf): ...here.
6969         * basic-block.h (compute_idf): Export.
6970
6971 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
6972
6973         * c-decl.c (merge_decls): Use !current_function_decl to check for
6974         extern declaration of C99 inline function being at file scope.
6975
6976 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
6977
6978         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
6979
6980 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6981
6982         * alias.c (record_alias_subset, init_alias_analysis): Fix
6983         -Wc++-compat and/or -Wcast-qual warnings.
6984         * attribs.c (lookup_attribute_spec): Likewise.
6985         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
6986         copy_bb, connect_traces,
6987         find_rarely_executed_basic_blocks_and_cr): Likewise.
6988         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
6989         note_btr_set, migrate_btr_defs): Likewise.
6990         * builtins.c (result_vector, expand_builtin_memcpy,
6991         expand_builtin_mempcpy_args, expand_builtin_strncpy,
6992         builtin_memset_read_str, expand_builtin_printf,
6993         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
6994         Likewise.
6995         * caller-save.c (mark_set_regs): Likewise.
6996         * calls.c (expand_call, emit_library_call_value_1): Likewise.
6997         * cgraph.c (cgraph_edge): Likewise.
6998         * combine.c (likely_spilled_retval_1): Likewise.
6999         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
7000         htab_counts_entry_del, get_coverage_counts): Likewise.
7001         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
7002         new_cselib_val): Likewise.
7003         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
7004         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
7005         Likewise.
7006         * df-core.c (df_compact_blocks): Likewise.
7007         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
7008         * df-scan.c (df_grow_reg_info, df_ref_create,
7009         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
7010         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
7011         df_record_entry_block_defs, df_record_exit_block_uses,
7012         df_bb_verify): Likewise.
7013         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
7014         DF_REF_EXTRACT_MODE_CONST): New.
7015         * dominance.c (get_immediate_dominator, get_dominated_by,
7016         nearest_common_dominator, root_of_dom_tree,
7017         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
7018         -Wc++-compat and/or -Wcast-qual warnings.
7019         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
7020         record_store, replace_read, check_mem_read_rtx, scan_insn,
7021         dse_step1, dse_record_singleton_alias_set): Likewise.
7022         * dwarf2asm.c (dw2_force_const_mem): Likewise.
7023
7024 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7025
7026         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
7027         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
7028         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
7029         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
7030         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
7031         add_ranges_num, add_ranges_by_labels, file_info_cmp,
7032         file_name_acquire, output_file_names, add_const_value_attribute,
7033         premark_used_types_helper, file_table_eq, file_table_hash,
7034         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
7035         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
7036         -Wcast-qual warnings.
7037         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
7038         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
7039         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
7040         gen_reg_rtx, start_sequence, init_emit): Likewise.
7041         * et-forest.c (et_new_occ, et_new_tree): Likewise.
7042         * except.c (init_eh_for_function, gen_eh_region,
7043         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
7044         arh_to_landing_pad, arh_to_label, add_action_record,
7045         add_call_site, switch_to_exception_section): Likewise.
7046         * expmed.c (synth_mult): Likewise.
7047         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
7048         store_expr): Likewise.
7049         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
7050         Likewise.
7051         * function.c (assign_stack_temp_for_type,
7052         allocate_struct_function, match_asm_constraints_1): Likewise.
7053         * gcov-io.c (gcov_allocate): Likewise.
7054         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
7055         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
7056         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
7057         record_one_set, insert_expr_in_table, insert_set_in_table,
7058         dump_hash_table, compute_hash_table_work, alloc_hash_table,
7059         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
7060         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
7061         -Wcast-qual warnings.
7062
7063 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7064
7065         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
7066         -Wcast-qual warnings.
7067         * gcc.c (process_command): Likewise.
7068         * genattrtab.c (oballoc): Use XOBNEW.
7069         (oballocvec): Define.
7070         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
7071         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
7072         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
7073         -Wc++-compat and/or -Wcast-qual warnings.
7074         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
7075         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
7076         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
7077         gen_presence_absence_set, gen_automaton, gen_regexp_el,
7078         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
7079         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
7080         add_excls, process_presence_absence_names,
7081         process_presence_absence_patterns, add_presence_absence,
7082         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
7083         get_free_state, add_arc, get_free_automata_list_el,
7084         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
7085         transform_3, cache_presence, create_ainsns, create_automata,
7086         create_state_ainsn_table, dfa_insn_code_enlarge,
7087         output_trans_func, output_min_issue_delay_func,
7088         output_dead_lock_func, output_reset_func,
7089         output_get_cpu_unit_code_func, output_dfa_start_func,
7090         expand_automata): Likewise.
7091         * genextract.c (gen_insn): Likewise.
7092         * gengtype-lex.l: Likewise.
7093         * gengtype.c (read_input_list, adjust_field_type,
7094         process_gc_options): Likewise.
7095         * genoutput.c (note_constraint): Likewise.
7096         * genpreds.c (mangle, add_constraint): Likewise.
7097         * genrecog.c (process_define_predicate, new_decision,
7098         add_to_sequence): Likewise.
7099         * gensupport.c (record_insn_name): Likewise.
7100
7101 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7102
7103         * config/i386/driver-i386.c (detect_caches_amd,
7104         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
7105         and/or -Wcast-qual warnings.
7106         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
7107         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
7108         gt_pch_save): Likewise.
7109         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
7110         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
7111         * global.c (compute_regsets): Likewise.
7112         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
7113         finish_graph_dump_file): Likewise.
7114         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
7115         unlink_bb_notes): Likewise.
7116         * integrate.c (get_hard_reg_initial_val): Likewise.
7117         * ipa-prop.c (ipa_push_func_to_list): Likewise.
7118         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
7119         * local-alloc.c (update_equiv_regs): Likewise.
7120         * loop-invariant.c (check_invariant_table_size,
7121         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
7122         Likewise.
7123         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
7124         altered_reg_used, mark_altered): Likewise.
7125         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
7126         insert_var_expansion_initialization,
7127         combine_var_copies_in_loop_exit, apply_opt_in_copies,
7128         release_var_copies): Likewise.
7129         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
7130         analyze_matrix_decl, add_allocation_site, analyze_transpose,
7131         analyze_accesses_for_phi_node, check_var_notmodified_p,
7132         check_allocation_function, find_sites_in_func,
7133         record_all_accesses_in_func, transform_access_sites,
7134         transform_allocation_sites): Likewise.
7135         * omp-low.c (new_omp_region, create_omp_child_function_name,
7136         check_omp_nesting_restrictions, check_combined_parallel,
7137         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
7138         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
7139         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
7140         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
7141         Likewise.
7142         * opts-common.c (prune_options): Likewise.
7143         * opts.c (add_input_filename, print_filtered_help,
7144         get_option_state): Likewise.
7145         * params.c (add_params): Likewise.
7146         * passes.c (set_pass_for_id, next_pass_1,
7147         do_per_function_toporder, pass_fini_dump_file): Likewise.
7148         * postreload.c (reload_cse_simplify_operands): Likewise.
7149         * predict.c (tree_predicted_by_p, tree_predict_edge,
7150         clear_bb_predictions, combine_predictions_for_bb): Likewise.
7151
7152 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7153
7154         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
7155         warnings.
7156         * recog.c (check_asm_operands, validate_change_1): Likewise.
7157         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
7158         subst_asm_stack_regs): Likewise.
7159         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
7160         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
7161         * regmove.c (reg_is_remote_constant_p): Likewise.
7162         * regrename.c (regrename_optimize, scan_rtx_reg,
7163         kill_clobbered_value, kill_set_value, kill_autoinc_value):
7164         Likewise.
7165         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
7166         regstat_compute_calls_crossed): Likewise.
7167         * reload1.c (init_reload, new_insn_chain,
7168         has_nonexceptional_receiver, reload, copy_reloads,
7169         calculate_needs_all_insns, init_elim_table): Likewise.
7170         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
7171         * rtl.c (shallow_copy_rtx_stat): Likewise.
7172         * rtlanal.c (parms_set): Likewise.
7173         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
7174         sbitmap_resize, sbitmap_vector_alloc): Likewise.
7175         * sched-ebb.c (earliest_block_with_similiar_load,
7176         add_deps_for_risky_insns): Likewise.
7177         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
7178         schedule_region): Likewise.
7179         * see.c (eq_descriptor_pre_extension,
7180         hash_descriptor_pre_extension, hash_del_pre_extension,
7181         eq_descriptor_properties, hash_descriptor_properties,
7182         hash_del_properties, see_seek_pre_extension_expr,
7183         see_initialize_data_structures, see_print_register_properties,
7184         see_print_pre_extension_expr, see_delete_merged_def_extension,
7185         see_delete_unmerged_def_extension, see_emit_use_extension,
7186         see_pre_delete_extension, see_map_extension, see_commit_changes,
7187         see_analyze_merged_def_local_prop,
7188         see_analyze_merged_def_local_prop,
7189         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
7190         see_set_prop_merged_def, see_set_prop_unmerged_def,
7191         see_set_prop_unmerged_use, see_print_one_extension,
7192         see_merge_one_use_extension, see_merge_one_def_extension,
7193         see_store_reference_and_extension, see_update_uses_relevancy,
7194         see_update_defs_relevancy): Likewise.
7195         * statistics.c (hash_statistics_hash, hash_statistics_eq,
7196         hash_statistics_free, curr_statistics_hash): Likewise.
7197         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
7198         expand_asm_operands, expand_return, case_bit_test_cmp,
7199         expand_case): Likewise.
7200         * stor-layout.c (start_record_layout): Likewise.
7201         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
7202         gt_pch_save_stringpool): Likewise.
7203         * tree-data-ref.c (hash_stmt_vertex_info,
7204         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
7205         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
7206
7207 2008-06-25  Uros Bizjak  <ubizjak@gmail.com>
7208
7209         PR target/36627
7210         * config/i386/i386.md : Change constraints of HImode and QImode
7211         immediate operands from "i" to "n".  Change SImode "ni" constraint to
7212         "i" and SImode "rmi" constraint to "g".  Remove all constraints
7213         from const0_operand and const1_operand predicated operands.
7214         (i): Change QImode and HImode attribute from "i" to "n".
7215         (*subqi_2): Change HImode operands to QImode.
7216         (*subqi_3): Ditto.
7217
7218 2008-06-25  Olivier Hainque  <hainque@adacore.com>
7219
7220         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
7221         sed substitutions.
7222
7223 2008-06-25  Richard Guenther  <rguenther@suse.de>
7224
7225         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
7226         not overflow the result type.
7227
7228 2008-06-25  Richard Guenther  <rguenther@suse.de>
7229
7230         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
7231         (vn_lookup): Likewise.
7232
7233 2008-06-25  Richard Guenther  <rguenther@suse.de>
7234
7235         PR tree-optimization/35518
7236         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
7237         * tree-sra.c (instantiate_element): Use fold_build3 to build
7238         BIT_FIELD_REFs.
7239         (try_instantiate_multiple_fields): Likewise.
7240
7241 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7242
7243         * config/rs6000/rs6000.md: Change all string instruction's clobber to
7244         be early clobbers.
7245
7246 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7247
7248         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
7249         use_backchain_to_restore_sp to true
7250         if the offset of the link register save area would go over the 32k - 1
7251         offset limit of the load
7252         instructions.
7253
7254 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
7255
7256         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
7257         anchor for the type-punning blurb.  Cross-reference "Structures
7258         unions enumerations and bit-fields implementation".  Provide a
7259         cast-through-pointer example.  Make final sentence self-contained.
7260         * doc/implement-c.texi (Structures unions enumerations and
7261         bit-fields implementation): Cross-reference the type-punning blurb
7262         in the -fstrict-aliasing documentation.
7263
7264 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7265
7266         PR middle-end/36594
7267         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
7268         the memory instead of the memory itself for the save area.
7269
7270 2008-06-24  Olivier Hainque  <hainque@adacore.com>
7271             Nicolas Roche  <roche@adacore.com>
7272
7273         * gengtype.c (srcdir_len): size_t instead of int.
7274         (get_file_realbasename): New function.  For F a filename, the real
7275         basename of F, with all the path components stripped.
7276         (get_file_srcdir_relative_path): New function.  For F a filename, the
7277         relative path to F from $(srcdir).
7278         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
7279         get_file_realbasename.  Adjust the head comment.
7280         (get_prefix_langdir_index): New function. For F a filename, return the
7281         lang_dir_names[] relative index of the language directory that is
7282         a prefix in F.
7283         (get_file_langdir): For F a filename, return the name of the language
7284         directory where F is located.
7285         (get_file_gtfilename): New function. The gt- output file name for an
7286         input filename F.
7287         (get_output_file_with_visibility): Replace in-line computations with
7288         uses of get_file_gtfilename and get_prefix_langdir_index.
7289         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
7290
7291 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
7292
7293         PR tree-optimization/36504
7294         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
7295         references without base address.
7296
7297 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7298
7299         PR middle-end/36584
7300         * calls.c (expand_call): Increase alignment for recursive functions.
7301
7302 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
7303
7304         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
7305         (TARGET_FUNCTION_VALUE): New define.
7306         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
7307         * config/avr/avr.h (FUNCTION_VALUE): Remove.
7308
7309 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7310
7311         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
7312         (fmod<mode>3): Ditto.
7313         (remainderxf3): Ditto.
7314         (remainder<mode>3): Ditto.
7315
7316 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
7317
7318         PR target/36533
7319         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
7320         REG is a hard register.
7321
7322         PR tree-optimization/36508
7323         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
7324         499, don't check it at all in release compilers.
7325
7326 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7327
7328         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
7329         together with SSE_TARGET_MATH to disable insn pattern.
7330         (*fop_<MODEF:mode>_2_i387): Ditto.
7331         (*fop_<MODEF:mode>_3_i387): Ditto.
7332
7333 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
7334
7335         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
7336
7337 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7338
7339         PR middle-end/34906
7340         * gimplify.c (gimplify_asm_expr): Check the return code of
7341         parse_output_constraint call, set function return and is_inout
7342         value if it failed.
7343
7344 2008-06-22  Ian Lance Taylor  <iant@google.com>
7345
7346         * c-lex.c (narrowest_unsigned_type): Change itk to int.
7347         (narrowest_signed_type): Likewise.
7348         * c-typeck.c (c_common_type): Change local variable mclass to enum
7349         mode_class, twice.
7350         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
7351         tcc_comparison, not the tree code itself.
7352         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
7353         (c_expand_expr): Cast modifier to enum expand_modifier.
7354         * c-common.h (C_RID_CODE): Add casts.
7355         (C_SET_RID_CODE): Define.
7356         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
7357         (c_lex_one_token): Add cast to avoid warning.
7358         (c_parser_objc_type_name): Rename local typename to type_name.
7359         (check_no_duplicate_clause): Change code parameter to enum
7360         omp_clause_code.
7361         (c_parser_omp_var_list_parens): Change kind parameter to enum
7362         omp_clause_code.
7363         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
7364         c_parser_omp_list_var_parens.
7365         (c_parser_omp_threadprivate): Likewise.
7366         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
7367         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
7368         * c-format.c (NO_FMT): Define.
7369         (printf_length_specs): Use NO_FMT.
7370         (asm_fprintf_length_specs): Likewise.
7371         (gcc_diag_length_specs): Likewise.
7372         (scanf_length_specs): Likewise.
7373         (strfmon_length_specs): Likewise.
7374         (gcc_gfc_length_specs): Likewise.
7375         (printf_flag_specs): Change 0 to STD_C89.
7376         (asm_fprintf_flag_specs): Likewise.
7377         (gcc_diag_flag_specs): Likewise.
7378         (gcc_cxxdiag_flag_specs): Likewise.
7379         (scanf_flag_specs): Likewise.
7380         (strftime_flag_specs): Likewise.
7381         (strfmon_flag_specs): Likewise.
7382         (print_char_table): Likewise.
7383         (asm_fprintf_char_table): Likewise.
7384         (gcc_diag_char_table): Likewise.
7385         (gcc_tdiag_char_table): Likewise.
7386         (gcc_cdiag_char_table): Likewise.
7387         (gcc_cxxdiag_char_table): Likewise.
7388         (gcc_gfc_char_table): Likewise.
7389         (scan_char_table): Likewise.
7390         (time_char_table): Likewis.
7391         (monetary_char_table): Likewise.
7392         * c-format.h (BADLEN): Likewise.
7393
7394 2008-06-21  Ian Lance Taylor  <iant@google.com>
7395
7396         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
7397         Define END_OF_BASE_TREE_CODES around inclusion.
7398         * tree.c (tree_code_type): New global array.
7399         (tree_code_length, tree_code_name): Likewise.
7400         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
7401         $(lang_tree_files).
7402         (all-tree.def, s-alltree): New targets.
7403         (gencheck.h, s-gencheck): Remove.
7404         (tree.o): Depend upon all-tree.def.
7405         (build/gencheck.o): Remove gencheck.h dependency.
7406         (mostlyclean): Don't remove gencheck.h.
7407         * c-common.h (enum c_tree_code): Remove.
7408         * c-lang.c (tree_code_type): Remove.
7409         (tree_code_length, tree_code_name): Remove.
7410         * gencheck.c (tree_codes): Include all-tree.def, rather than
7411         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
7412         after it is used.
7413         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
7414         than tree.def.
7415         * cp/cp-tree.h (enum cplus_tree_code): Remove.
7416         (operator_name_info): Size to MAX_TREE_CODES.
7417         (assignment_operator_name_info): Likewise.
7418         * cp/cp-lang.c (tree_code_type): Remove.
7419         (tree_code_length, tree_code_name): Remove.
7420         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
7421         (assignment_operator_name_info): Likewise.
7422         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
7423         MAX_TREE_CODES.
7424         * cp/mangle.c (write_expression): Likewise.
7425         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
7426         * fortran/f95-lang.c (tree_code_type): Remove.
7427         (tree_code_length, tree_code_name): Remove.
7428         * java/java-tree.h (enum java_tree_code): Remove.
7429         * java/lang.c (tree_code_type): Remove.
7430         (tree_code_length, tree_code_name): Remove.
7431         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
7432         * objc/objc-act.h (enum objc_tree_code): Remove.
7433         * objc/objc-lang.c (tree_code_type): Remove.
7434         (tree_code_length, tree_code_name): Remove.
7435         * objcp/objcp-lang.c (tree_code_type): Remove.
7436         (tree_code_length, tree_code_name): Remove.
7437         * ada/ada-tree.h (enum gnat_tree_code): Remove.
7438         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
7439         * ada/misc.c (tree_code_type): Remove.
7440         (tree_code_length, tree_code_name): Remove.
7441
7442 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
7443
7444         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
7445         the grand_bitmap_obstack.
7446
7447 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7448
7449         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
7450         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
7451         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
7452         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
7453         move_stmt_r, new_label_mapper): Likewise.
7454         * tree-complex.c (cvc_lookup): Likewise.
7455         * tree-dfa.c (create_function_ann): Likewise.
7456         * tree-dump.c (dump_register): Likewise.
7457         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
7458         find_phi_replacement_condition): Likewise.
7459         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
7460         tree_function_versioning): Likewise.
7461         * tree-into-ssa.c (cmp_dfsnum): Likewise.
7462         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
7463         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
7464         get_nonlocal_debug_decl, convert_nonlocal_reference,
7465         convert_nonlocal_omp_clauses, get_local_debug_decl,
7466         convert_local_reference, convert_local_omp_clauses,
7467         convert_nl_goto_reference, convert_nl_goto_receiver,
7468         convert_tramp_reference, convert_call_expr): Likewise.
7469         * tree-outof-ssa.c (contains_tree_r): Likewise.
7470         * tree-parloops.c (reduction_phi, initialize_reductions,
7471         eliminate_local_variables_1, add_field_for_reduction,
7472         add_field_for_name, create_phi_for_local_result,
7473         create_call_for_reduction_1, create_loads_for_reductions,
7474         create_stores_for_reduction, create_loads_and_stores_for_name):
7475         Likewise.
7476         * tree-phinodes.c (allocate_phi_node): Likewise.
7477         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
7478         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
7479         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
7480         * tree-ssa-coalesce.c (compare_pairs): Likewise.
7481         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
7482         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
7483         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
7484         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
7485         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
7486         vn_nary_op_insert): Likewise.
7487         * tree-ssa.c (redirect_edge_var_map_add,
7488         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
7489         * tree-vectorizer.c (vectorize_loops): Likewise.
7490         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
7491         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
7492         tree_cons_stat, build1_stat, build_variant_type_copy,
7493         decl_init_priority_lookup, decl_fini_priority_lookup,
7494         decl_priority_info, decl_restrict_base_lookup,
7495         decl_restrict_base_insert, decl_debug_expr_lookup,
7496         decl_debug_expr_insert, decl_value_expr_lookup,
7497         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
7498         type_hash_add, get_file_function_name, tree_check_failed,
7499         tree_not_check_failed, tree_range_check_failed,
7500         omp_clause_range_check_failed, build_omp_clause,
7501         build_vl_exp_stat): Likewise.
7502         * value-prof.c (gimple_histogram_value,
7503         gimple_duplicate_stmt_histograms): Likewise.
7504         * var-tracking.c (attrs_list_insert, attrs_list_copy,
7505         unshare_variable, variable_union_info_cmp_pos, variable_union,
7506         dataflow_set_different_1, dataflow_set_different_2,
7507         vt_find_locations, variable_was_changed, set_variable_part,
7508         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
7509         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
7510         section_entry_hash, object_block_entry_eq,
7511         object_block_entry_hash, create_block_symbol,
7512         initialize_cold_section_name, default_function_rodata_section,
7513         strip_reg_name, set_user_assembler_name, const_desc_eq,
7514         build_constant_desc, output_constant_def, lookup_constant_def,
7515         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
7516         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
7517         default_internal_label): Likewise.
7518         * varray.c (varray_init, varray_grow): Likewise.
7519         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
7520
7521 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
7522
7523         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
7524         operators for "test" insn.  Macroize insn using SWI mode macro.
7525         (*jcc_fused_2): Ditto.
7526         (*jcc_fused_3): Macroize insn using SWI mode macro.
7527         (*jcc_fused_4): Ditto.
7528
7529 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
7530
7531         * tree-ssa-pre.c: Fix typo in comment.
7532         (init_antic, fini_antic): Add explicit funtions for
7533         initializing and deinitializing ANTIC and AVAIL sets.
7534         (create_expression_by_pieces): Fix typo in comment.
7535         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
7536         (execute_pre): Eventually dump details about ANTIC_IN.
7537
7538 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7539
7540         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
7541         * gcc.c (translate_options, init_spec, store_arg, read_specs,
7542         add_to_obstack, file_at_path, find_a_file, execute,
7543         add_preprocessor_option, add_assembler_option, add_linker_option,
7544         process_command, insert_wrapper, do_option_spec, do_self_spec,
7545         spec_path, do_spec_1, is_directory, main, used_arg,
7546         getenv_spec_function): Likewise.
7547         * tlink.c (symbol_hash_lookup, file_hash_lookup,
7548         demangled_hash_lookup, symbol_push, file_push, frob_extension):
7549         Likewise.
7550
7551 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
7552
7553         * doc/rtl.texi: Updated subreg section.
7554
7555 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
7556
7557         PR c++/36523
7558         * cgraphunit.c (cgraph_process_new_functions): Don't clear
7559         node->needed and node->reachable.
7560         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
7561         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
7562         (expand_task_call): Don't call expand_task_copyfn.
7563         (expand_task_copyfn): Renamed to...
7564         (finalize_task_copyfn): ... this.
7565
7566 2008-06-19  Jan Hubicka  <jh@suse.cz>
7567
7568         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
7569         clobbering framepointer.
7570
7571 2008-06-19  Jan Hubicka  <jh@suse.cz>
7572
7573         * tree-optimize.c (execute_early_local_optimizations): Set
7574         cgraph_state only at first invocation.
7575
7576 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7577
7578         * system.h (-Wc++-compat): Activate as a warning, no an error.
7579
7580 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
7581
7582         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
7583         instead of "#" in insn asm template.
7584         (*jcc_fused_2): Ditto.
7585
7586 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
7587
7588         * config/i386/i386.h (ix86_tune_indices)
7589         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
7590         (TARGET_FUSE_CMP_AND_BRANCH): New define.
7591         * config/i386/i386.md (*jcc_fused_1): New insn pattern
7592         (*jcc_fused_2): Ditto.
7593         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
7594         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
7595         (print operand): Handle 'E' and 'e' code.
7596
7597 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
7598
7599         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
7600         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7601         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7602
7603 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
7604
7605         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
7606         node->decl.
7607         (cgraph_expand_function): Use local copy of decl.
7608         (cgraph_expand_all_functions): Remove redundant initialization of
7609         order_pos.
7610         (cgraph_optimize): Reword internal_error message.
7611
7612 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
7613
7614         * arm-protos.h (arm_return_in_memory): Remove public
7615         arm_return_in_memory() prototype.
7616         * arm.c (arm_return_in_memory): Add static prototype, add target
7617         hook macro, change definition and comments.
7618         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
7619
7620 2008-06-19  Ben Elliston  <bje@au.ibm.com>
7621
7622         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
7623         real.c: Remove references to IEEE 754R.
7624         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
7625         * doc/libgcc.texi (Decimal float library routines): Likewise.
7626
7627 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7628
7629         * targhooks.h (struct gcc_target): New member unwind_word_mode.
7630         (default_unwind_word_mode): Add prototype.
7631         * targhooks.c (default_unwind_word_mode): New function.
7632         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
7633         instead of word_mode.
7634         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
7635         (TARGET_INITIALIZER): Use it.
7636
7637         * c-common.c (handle_mode_attribute): Support "unwind_word"
7638         mode attribute.
7639         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
7640
7641         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
7642         word_mode to access SjLj_Function_Context member "data".
7643         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
7644         conversion from targetm.eh_return_filter_mode () to
7645         targetm.unwind_word_mode () if they differ.
7646
7647         * builtin-types.def (BT_UNWINDWORD): New primitive type.
7648         (BT_FN_UNWINDWORD_PTR): New function type.
7649         (BT_FN_WORD_PTR): Remove.
7650         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
7651         * except.c (expand_builtin_extend_pointer): Convert pointer to
7652         targetm.unwind_word_mode () instead of word_mode.
7653
7654         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
7655         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
7656         (spu_unwind_word_mode): New function.
7657         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
7658         (TARGET_UNWIND_WORD_MODE): Define.
7659         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
7660
7661 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7662
7663         * config/spu/spu.c (reg_align): Remove.
7664         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
7665         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
7666         (spu_split_store): Likewise.
7667
7668 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
7669
7670         * gcc/tree-vn.c: Fix typo in comment.
7671
7672 2008-06-18  Jan Hubicka  <jh@suse.cz>
7673
7674         * cgraphunit.c (cgraph_optimize): Output debug info when doing
7675         toplevel reorder too.
7676
7677 2008-06-18  Jan Hubicka  <jh@suse.cz>
7678
7679         * c-opts.c (c_common_post_options): PCH is not compatible with
7680         no-unit-at-a-time.
7681         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
7682         -fno-toplevel-reorder by default now.
7683
7684 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7685
7686         PR documentation/30739
7687         * doc/install.texi (Prerequisites): Document dependency on awk.
7688
7689 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
7690             Ian Lance Taylor  <iant@google.com>
7691
7692         PR rtl-optimization/35604
7693         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
7694         only want to change jump destinations, not eventual label comparisons.
7695
7696 2008-06-16  Jan Hubicka  <jh@suse.cz>
7697
7698         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
7699         syntax errors.
7700         (cgraph_analyze_function): Likewise.
7701
7702 2008-06-16  Jan Hubicka  <jh@suse.cz>
7703
7704         * cgraph.h (cgraph_mark_if_needed): New function.
7705         * cgraphunit.c (cgraph_mark_if_needed): New function.
7706         * c-decl.c (duplicate_decl): Use it.
7707
7708 2008-06-16  Jan Hubicka  <jh@suse.cz>
7709
7710         * cgraph.c (cgraph_add_new_function): When in expansion state, do
7711         lowering.
7712
7713 2008-06-16  Jan Hubicka  <jh@suse.cz>
7714
7715         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
7716
7717 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
7718             Kazu Hirata  <kazu@codesourcery.com>
7719             Maxim Kuvyrkov  <maxim@codesourcery.com
7720
7721         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
7722         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
7723         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
7724         EXTRA_SPEC_FUNCTIONS.
7725         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
7726         (DRIVER_SELF_SPECS): Adjust.
7727         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
7728         * config/mips/st.h, config/mips/t-st: New.
7729         * config/mips/driver-native.c, config/mips/x-native: New.
7730         * doc/invoke.texi (MIPS): Document 'native' value for -march and
7731         -mtune options.
7732
7733 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
7734
7735         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
7736         from it.
7737         (ISA_HAS_FP_CONDMOVE): New macro.
7738         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
7739         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
7740         (ISA_HAS_NMADD3_NMSUB3): New macro.
7741         * config/mips/mips.c (mips_rtx_costs): Update.
7742         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
7743         compiling for ST Loongson 2E/2F.
7744         (madd<mode>): Rename to madd4<mode>.  Update.
7745         (madd3<mode>): New pattern.
7746         (msub<mode>): Rename to msub4<mode>.  Update.
7747         (msub3<mode>): New pattern.
7748         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
7749         (nmadd3<mode>): New pattern.
7750         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
7751         (nmadd3<mode>_fastmath): New pattern.
7752         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
7753         (nmsub3<mode>): New pattern.
7754         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
7755         (nmsub3<mode>_fastmath): New pattern.
7756         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
7757
7758 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
7759
7760         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
7761         (DF_REF_INSN_INFO): New.
7762         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
7763         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
7764         with a NULL DF_REF_INSN_INFO.
7765         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
7766         DF_INSN_SET.
7767         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
7768         DF_INSN_INFO_EQ_USES): New.
7769         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
7770         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
7771         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
7772         * df-core.c: Update comment for above changes.
7773         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
7774         DF_INSN_UID_* macros.
7775         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
7776         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
7777         insn rtx.  Update all callers.
7778         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
7779         df_ref_create_structure, df_insn_refs_collect): Likewise.
7780         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
7781         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
7782         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
7783         macros to access the insn refs.
7784         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
7785         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
7786         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
7787         for accessing the refs.
7788         (try_fwprop_subst): Likewise.
7789         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
7790         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
7791         for accessing the refs.
7792         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
7793         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
7794         to look at the insn refs.
7795         (record_uses): Likewise.
7796         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
7797         function anymore.
7798         (mark_artificial_uses): Don't mark_insn for artificial refs.
7799         (mark_reg_rependencies): Likewise.
7800
7801         * doc/rtl.texi: Remove documentation of ADDRESSOF.
7802
7803 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7804
7805         * configure: Regenerate.
7806
7807 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
7808
7809         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
7810         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
7811         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
7812
7813 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
7814
7815         * config/avr/avr.c (avr_mcu_t): Add attiny167.
7816         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
7817         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise.
7818
7819 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
7820
7821         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
7822         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
7823         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
7824
7825 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
7826
7827         * tree-ssa-sccvn.c: Fix format of comments.
7828
7829 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
7830
7831         * cgraph.c: Remove unneeded forward declarations of eq_node()
7832         and hash_node().
7833
7834 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
7835
7836         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
7837         REG_RETVAL notes.
7838         (see_update_relevancy): Likewise.
7839         * fwprop.c (try_fwprop_subst): Likewise.
7840         * rtlanal.c (noop_move_p): Likewise.
7841         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
7842         notes to non-existing libcall blocks.
7843         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
7844         Remove orig_set.
7845         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
7846         (dead_libcall_p): Remove.
7847         (delete_trivially_dead_insns): Don't use it.
7848         * web.c (union_defs): Remove comment about keeping nops.
7849         * gcse.c (hash_scan_insn): Don't take libcall pointers.
7850         (compute_hash_table_work): Don't track libcall notes.
7851         (do_local_cprop): Don't take libcall pointers.  Don't update
7852         libcall notes.
7853         (adjust_libcall_notes): Deleted.
7854         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
7855         ever have existed in the first place).
7856         (replace_store_insn): Don't try to remove libcall notes.
7857         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
7858         (resolve_reg_notes): Don't call them.
7859         (resolve_simple_move): Likewise.
7860         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
7861         Don't remove REG_RETVAL notes.
7862         * emit-rtl.c (try_split): Don't update libcall notes.
7863         (emit_copy_of_insn_after): Dito.
7864         * cselib.c (cselib_current_insn_in_libcall): Remove.
7865         (cselib_process_insn): Don't set/clear it.
7866         (new_elt_loc_list): Don't record it.
7867         (cselib_init): Don't initialize it.
7868         * cselib.c (struct elt_loc_list): Remove in_libcall field.
7869         * loop-invariant.c (find_invariant_insn): Don't look for libcall
7870         notes.
7871         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
7872         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
7873         (init_deps): Don't initialize it.
7874         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
7875         * combine.c (delete_noop_moves): Don't update libcall notes.
7876         (can_combine_p): Remove now pointless #if 0 block.
7877         (try_combine): Remove another obsolete #if 0 block.
7878         (distribute_notes): Don't distribute libcall notes.
7879         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
7880         * dce.c (libcall_dead_p): Remove.
7881         (delete_unmarked_insns): Don't handle libcall blocks.
7882         (preserve_libcall_for_dce): Remove.
7883         (prescan_insns_for_dce): Don't special-case libcall block insns.
7884         * reload1 (reload): Don't handle libcall notes.
7885         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
7886         documentation.
7887
7888 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
7889
7890         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
7891         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
7892         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
7893
7894 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
7895
7896         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
7897         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
7898         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
7899
7900 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7901
7902         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
7903
7904 2008-06-16  Ira Rosen  <irar@il.ibm.com>
7905
7906         PR tree-optimization/36493
7907         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
7908         the arguments list. Use VECTYPE to create vector pointer.
7909         (vectorizable_store): Fail if accesses through a pointer to vectype
7910         do not alias the original memory reference operands.
7911         Call vect_create_data_ref_ptr without the removed argument.
7912         (vectorizable_load): Likewise.
7913         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
7914         removed argument.
7915
7916 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
7917
7918         PR target/36336
7919         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
7920         reg_equiv_constant.
7921
7922 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
7923
7924         * config/mips/loongson2ef.md: New file.
7925         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
7926         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
7927         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
7928         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
7929         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
7930         and loongson_2f.
7931         (loongson2ef.md): New include.
7932         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
7933         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
7934         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
7935         (loongson_gt_<mode>, loongson_extract_halfword)
7936         (loongson_insert_halfword_0, loongson_insert_halfword_2)
7937         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
7938         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
7939         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
7940         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
7941         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
7942         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
7943         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
7944         (vec_interleave_low<mode>): Define type attribute.
7945         * config/mips/mips.c (mips_ls2): New static variable.
7946         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
7947         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
7948         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
7949         Implement target scheduling hooks.
7950         (mips_multipass_dfa_lookahead): Update to handle tuning for
7951         Loongson 2E/2F.
7952         (mips_sched_init): Initialize data for Loongson scheduling.
7953         (mips_ls2_variable_issue): New static function.
7954         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
7955         Add sanity check.
7956         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
7957         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
7958         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
7959         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
7960         Handle ST Loongson 2E/2F cores.
7961         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
7962
7963 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7964
7965         * omp-low.c (extract_omp_for_data): Fix comment typo.
7966         * c.opt: Fix typo.
7967
7968 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7969
7970         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
7971         FIXME note about gcc/config.guess.
7972         * doc/options.texi (Option file format): Remove non-ASCII bytes.
7973         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
7974         * doc/cppopts.texi: Likewise.
7975         * doc/extend.texi: Likewise.
7976         * doc/gcc.texi: Likewise.
7977         * doc/gccint.texi: Likewise.
7978         * doc/gcov.texi: Likewise.
7979         * doc/gty.texi: Likewise.
7980         * doc/hostconfig.texi: Likewise.
7981         * doc/install.texi: Likewise.
7982         * doc/invoke.texi: Likewise.
7983         * doc/loop.texi: Likewise.
7984         * doc/makefile.texi: Likewise.
7985         * doc/md.texi: Likewise.
7986         * doc/passes.texi: Likewise.
7987         * doc/tm.texi: Likewise.
7988         * doc/tree-ssa.texi: Likewise.
7989         * doc/trouble.texi: Likewise.
7990
7991 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
7992             Nathan Sidwell  <nathan@codesourcery.com>
7993             Maxim Kuvyrkov  <maxim@codesourcery.com>
7994             Richard Sandiford  <rdsandiford@googlemail.com>
7995
7996         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
7997         * config/mips/mips-protos.h (mips_expand_vector_init): New.
7998         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
7999         builtins.
8000         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
8001         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
8002         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
8003         V8QImode cases.
8004         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
8005         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
8006         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
8007         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
8008         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
8009         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
8010         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
8011         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
8012         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
8013         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
8014         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
8015         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
8016         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
8017         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
8018         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
8019         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
8020         (mips_builtins): Add Loongson builtins.
8021         (mips_loongson_2ef_bdesc): New.
8022         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
8023         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
8024         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
8025         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
8026         New.
8027         (mips_expand_vector_init): New.
8028         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
8029         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
8030         if appropriate.
8031         * config/mips/mips.md: Add unspec numbers for Loongson
8032         builtins.  Include loongson.md.
8033         (MOVE64): Include Loongson vector modes.
8034         (SPLITF): Include Loongson vector modes.
8035         (HALFMODE): Handle Loongson vector modes.
8036         * config/mips/loongson.md: New.
8037         * config/mips/loongson.h: New.
8038         * config.gcc: Add loongson.h header for mips*-*-* targets.
8039         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
8040
8041 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
8042
8043         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
8044         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
8045         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
8046         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
8047         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
8048         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
8049         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
8050         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
8051         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
8052         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
8053         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
8054         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
8055         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
8056         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
8057         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
8058         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
8059         Remove use_fixproto=yes.
8060         (ia64*-*-hpux*): Remove comment about using fixproto.
8061         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
8062
8063 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8064
8065         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
8066         library rebuilds.
8067         * configure: Regenerate.
8068
8069 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
8070
8071         PR middle-end/36520
8072         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
8073         before evaluating it.
8074
8075 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
8076
8077         PR c/36507
8078         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
8079         nested inline functions.
8080         (start_decl, start_function): Don't invert DECL_EXTERNAL
8081         for nested inline functions.
8082
8083 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8084
8085         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
8086         splits that must be made for correctness.
8087
8088 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8089
8090         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
8091         (AVAIL_NON_MIPS16): Likewise.
8092         (mips_builtin_description): Replace target_flags with a predicate.
8093         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
8094         (dspr2_32): New availability predicates.
8095         (MIPS_BUILTIN): New macro.
8096         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
8097         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
8098         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
8099         Replace the TARGET_FLAGS parameters with AVAIL parameters.
8100         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
8101         (mips_dsp_32only_bdesc): Merge into...
8102         (mips_builtins): ...this new array.
8103         (mips_bdesc_map, mips_bdesc_arrays): Delete.
8104         (mips_init_builtins): Update after above changes.
8105         (mips_expand_builtin_1): Merge into...
8106         (mips_expand_builtin): ...here and update after above changes.
8107
8108 2008-06-12  Paul Brook  <paul@codesourcery.com>
8109
8110         * longlong.h (__arm__): Define count_leading_zeros.
8111         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
8112         (clzsi2, clzdi2): New functions.
8113         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
8114         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
8115         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
8116         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
8117         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
8118         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
8119         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
8120         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
8121         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
8122         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
8123
8124 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
8125
8126         * config/m68k/m68k.c (m68k_tune_flags): New.
8127         (override_options): Compute m68k_tune_flags.
8128         (MULL_COST, MULW_COST): Update for various variants of CFV2.
8129         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
8130
8131 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8132
8133         PR middle-end/36506
8134         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
8135
8136 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8137
8138         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
8139         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
8140
8141 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8142
8143         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
8144         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
8145
8146 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8147
8148         PR middle-end/36506
8149         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
8150         reductions.
8151
8152 2008-06-12  Richard Guenther  <rguenther@suse.de>
8153
8154         PR tree-optimization/36345
8155         * tree-flow.h (struct ptr_info_def): Align escape_mask,
8156         add memory_tag_needed flag.
8157         (may_alias_p): Declare.
8158         * tree-ssa-alias.c (may_alias_p): Export.
8159         (set_initial_properties): Use memory_tag_needed flag.
8160         (update_reference_counts): Likewise.
8161         (reset_alias_info): Reset memory_tag_needed flag.
8162         (create_name_tags): Check memory_tag_needed flag.
8163         (dump_points_to_info_for): Dump it.
8164         * tree-ssa-structalias.c (struct variable_info): Remove
8165         directly_dereferenced flag.
8166         (new_var_info): Do not initialize it.
8167         (process_constraint_1): Do not set it.
8168         (update_alias_info): Set is_dereferenced flag.
8169         (set_uids_in_ptset): Use may_alias_p.
8170         (set_used_smts): Check memory_tag_needed flag.
8171         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
8172         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
8173         memory_tag_needed flag.
8174         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
8175         from broken design.
8176
8177 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
8178
8179         * config/i386/i386.c (ix86_compute_frame_layout): Disable
8180         red zone for w64 abi.
8181         (ix86_expand_prologue): Likewise.
8182         (ix86_force_to_memory): Likewise.
8183         (ix86_free_from_memory): Likewise.
8184
8185 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
8186
8187         PR target/36425
8188         * config/rs6000/rs6000.c (rs6000_override_options): Set
8189         rs6000_isel conditionally to the absence of comand line override.
8190         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8191         Remove duplicate rs6000_isel setting.
8192         * config/rs6000/eabispe.h: Ditto.
8193
8194 2008-06-11  Richard Guenther  <rguenther@suse.de>
8195
8196         * alias.c (get_alias_set): Use the element alias-set for arrays.
8197         (record_component_aliases): For arrays and vectors do nothing.
8198         * c-common.c (strict_aliasing_warning): Handle the cases
8199         of alias set zero explicitly.
8200         * Makefile.in (dfp.o-warn): Add -Wno-error.
8201
8202 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8203
8204         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
8205         tune_32 tune_64.
8206         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
8207         tune_32 tune_64 to supported_defaults.  Allow values not
8208         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
8209         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
8210         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
8211         with_cpu_64 to generic for 64-bit-supporting configurations, not
8212         with_cpu.  Remove FIXMEs.
8213         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
8214         --with-arch-64, --with-tune-32, --with-tune-64): Document.
8215         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
8216         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
8217         arch_32 and arch_64.
8218
8219 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
8220             Olivier Hainque  <hainque@adacore.com>
8221
8222         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
8223         Use DECL_SIZE_UNIT to retrieve the size of the field.
8224
8225 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8226
8227         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
8228         with function calls after declarations.  Lay out
8229         neon_float_type_node before further use.
8230
8231 2008-06-11  Richard Guenther  <rguenther@suse.de>
8232
8233         * tree-flow.h (may_point_to_global_var): Declare.
8234         * tree-ssa-alias.c (may_point_to_global_var): New function.
8235         * tree-ssa-sink.c (is_hidden_global_store): Use it.
8236
8237 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
8238
8239         * configure.ac: Teach that fido supports .debug_line.
8240         * configure: Regenerate.
8241
8242 2008-06-10  Tom Tromey  <tromey@redhat.com>
8243
8244         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
8245         debug hook.
8246
8247 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
8248
8249         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
8250         (encode_decimal64, decode_decimal64, encode_decimal128,
8251         decode_decimal128): Reverse order of 32-bit parts of value if host
8252         and target endianness differ.
8253
8254 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
8255
8256         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
8257         Avoid division by 0.
8258         (tree_mod_pow2_value_transform): Likewise.
8259         (tree_ic_transform): Likewise.
8260         (tree_stringops_transform): Likewise.
8261         (tree_mod_subtract_transform): Likewise.
8262         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
8263         (copy_edges_for_bb): Likewise.
8264         (initialize_cfun): Likewise.
8265
8266 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
8267
8268         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
8269         nonmemory_operand. Add "N" operand constraint.
8270         (*btsi): Ditto.
8271         (*jcc_btdi_mask_rex64): New instruction and split pattern.
8272         (*jcc_btsi_mask): Ditto.
8273         (*jcc_btsi_mask_1): Ditto.
8274
8275 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
8276
8277         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
8278         TYPE_CANONICAL for copied element type.
8279
8280 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
8281
8282         PR target/36473
8283         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
8284         Add m_CORE2 and m_GENERIC.
8285         * config/i386/predicates.md (bt_comparison_operator): New predicate.
8286         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
8287         (*btsi): Ditto.
8288         (*jcc_btdi_rex64): New instruction and split pattern.
8289         (*jcc_btsi): Ditto.
8290         (*jcc_btsi_1): Ditto.
8291         (*btsq): Fix Intel asm dialect operand order.
8292         (*btrq): Ditto.
8293         (*btcq): Ditto.
8294
8295 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
8296
8297         PR middle-end/36447
8298         * simplify-rtx.c (simplify_subreg): Add check for shift count
8299         greater than size.
8300
8301 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
8302
8303         * doc/md.texi: Synchronize with later constraints.md change.
8304         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
8305         with a C implementation.
8306         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
8307         MFLO handling.
8308         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
8309         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
8310         when moving to and from MD_REGNUM.
8311         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
8312         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
8313         Handle byte and halfword moves.
8314         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
8315         separately.
8316         * config/mips/constraints.md (h): Turn into NO_REGS.
8317         (l, x): Update documentation.
8318         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
8319         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
8320         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
8321         (HILO): New mode iterator.
8322         (MOVE128): Add TI.
8323         (any_div): New code iterator.
8324         (u): Extend code attribute to div and udiv.
8325         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
8326         d_operand in the splitters.  Remove redundant CONST_INT checks.
8327         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
8328         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
8329         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
8330         accordingly, using normal moves instead of unspecs to move LO into
8331         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
8332         (<u>mulsidi3): Handle expansion in C code.
8333         (<u>mulsidi3_32bit_internal): Rename to...
8334         (<u>mulsidi3_32bit): ...this.
8335         (<u>mulsidi3_32bit_r4000): Fix insn separator.
8336         (*<u>mulsidi3_64bit): Rename to...
8337         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
8338         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
8339         to set LO and HI to the multiplication result.  Use a normal move
8340         for MFLO and an unspec for MFHI.
8341         (*<u>mulsidi3_64bit_parts): Replace with...
8342         (<u>mulsidi3_64bit_hilo): ...this new instruction.
8343         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
8344         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
8345         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
8346         instead of HI.  Split the instruction into a separate multiplication
8347         and MFHI if !TARGET_FIX_R4000.
8348         (<su>muldi3_highpart): Likewise.
8349         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
8350         and the "=h" clobber.
8351         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
8352         (<u>mulditi3): New expander.
8353         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
8354         (madsi): Remove "=h" clobber.
8355         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
8356         Force the modulus result to be a GPR and split the instruction into
8357         a division followed by an MFHI after reload.
8358         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
8359         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
8360         the MIPS16 HIGH define_split.
8361         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
8362         of acc<->gpr moves to "multi".
8363         (*movdi_64bit): Replace the single "x" alternative with
8364         alternatives for moving into and out of "a".
8365         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
8366         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
8367         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
8368         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
8369         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
8370         (movti): New expander.
8371         (*movti, *movti_mips16): New insns.
8372         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
8373         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
8374         (mthi<GPR:mode>_<HILO:mode>): Likewise.
8375         * config/mips/predicates.md (fpr_operand): Delete.
8376         (d_operand): New predicate.
8377
8378 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
8379
8380         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
8381         failure on some Bourne shells.
8382         (x86_64-*-*): Ditto.
8383
8384 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
8385
8386         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
8387
8388 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8389
8390         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
8391         (sparc-sun-solaris2*): Likewise.
8392
8393 2008-06-09  Arnaud Charlet  <charlet@adacore.com
8394
8395         * doc/install.texi: Update requirements to build the Ada compiler.
8396
8397 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8398
8399         * df-scan.c (struct df_scan_problem_data): Remove the
8400         mw_link_pool alloc pool.
8401         (df_scan_free_internal): Don't free it.
8402         (df_scan_alloc): Don't allocate it.
8403         * df.h (struct df_link): Update comment.
8404
8405 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
8406
8407         * except.h: Correct checks for when SJLJ exceptions must be used.
8408
8409 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8410
8411         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
8412         default.
8413
8414 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
8415
8416         PR tree-optimization/36218
8417         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
8418         configure for the build system.
8419         (BUILD_LDFLAGS): Define.
8420         * configure: Regenerate.
8421         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
8422
8423 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
8424
8425         PR target/36424
8426         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
8427         * config/avr/avr.c (avr_hard_regno_rename_ok): New function.
8428         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype.
8429
8430 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
8431
8432         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
8433
8434 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
8435
8436         * config.gcc (Obsolete configurations): Remove list of
8437         configurations.
8438         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
8439         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
8440         targets matched by those patterns.
8441         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
8442         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
8443         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
8444         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
8445         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8446         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
8447         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
8448         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
8449         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
8450         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
8451         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
8452         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
8453         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
8454         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
8455         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
8456         Make code for Solaris 7 and greater unconditional for Solaris.
8457         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
8458         Remove --with-* handling.
8459         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
8460         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
8461         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
8462         LINK_OS_WINDISS_SPEC): Remove.
8463         * config/rs6000/sysv4.opt (mwindiss): Remove.
8464         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
8465         * configure: Regenerate.
8466         * doc/cpp.texi: Don't mention BeOS.
8467         * doc/extend.texi (interrupt): Don't mention MS1.
8468         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
8469         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
8470         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
8471         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
8472         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
8473         Remove.
8474         * doc/invoke.texi (MT Options): Remove.
8475         (-mwindiss): Remove.
8476         (CRIS Options): Remove cris-axis-aout references.
8477         (HPPA Options): Don't mention hppa1.1-*-pro.
8478         * doc/md.texi: (MorphoTech family): Remove.
8479         * libgcc2.c: Don't handle UWIN.
8480         * config/alpha/t-unicosmk: Remove.
8481         * config/alpha/unicosmk.h: Remove.
8482         * config/arm/kaos-arm.h: Remove.
8483         * config/arm/kaos-strongarm.h: Remove.
8484         * config/arm/strongarm-coff.h: Remove.
8485         * config/arm/strongarm-elf.h: Remove.
8486         * config/arm/strongarm-pe.h: Remove.
8487         * config/arm/t-strongarm-pe: Remove.
8488         * config/arm/t-xscale-coff: Remove.
8489         * config/arm/t-xscale-elf: Remove.
8490         * config/arm/xscale-coff.h: Remove.
8491         * config/arm/xscale-elf.h: Remove.
8492         * config/chorus.h: Remove.
8493         * config/cris/aout.h: Remove.
8494         * config/cris/aout.opt: Remove.
8495         * config/cris/t-aout: Remove.
8496         * config/i386/beos-elf.h: Remove.
8497         * config/i386/kaos-i386.h: Remove.
8498         * config/i386/ptx4-i.h: Remove.
8499         * config/i386/sco5.h: Remove.
8500         * config/i386/sco5.opt: Remove.
8501         * config/i386/sysv4-cpp.h: Remove.
8502         * config/i386/sysv5.h: Remove.
8503         * config/i386/t-beos: Remove.
8504         * config/i386/t-sco5: Remove.
8505         * config/i386/t-uwin: Remove.
8506         * config/i386/uwin.asm: Remove.
8507         * config/i386/uwin.h: Remove.
8508         * config/kaos.h: Remove.
8509         * config/mips/windiss.h: Remove.
8510         * config/mt: Remove directory.
8511         * config/pa/pa-osf.h: Remove.
8512         * config/pa/pa-pro-end.h: Remove.
8513         * config/pa/t-pro: Remove.
8514         * config/ptx4.h: Remove.
8515         * config/rs6000/beos.h: Remove.
8516         * config/rs6000/kaos-ppc.h: Remove.
8517         * config/rs6000/t-beos: Remove.
8518         * config/rs6000/windiss.h: Remove.
8519         * config/sh/kaos-sh.h: Remove.
8520         * config/sol2-6.h: Remove.
8521         * config/sparc/sol26-sld.h: Remove.
8522         * config/sparc/sysv4-only.h: Remove.
8523         * config/vax/bsd.h: Remove.
8524         * config/vax/t-memfuncs: Remove.
8525         * config/vax/ultrix.h: Remove.
8526         * config/vax/vaxv.h: Remove.
8527         * config/windiss.h: Remove.
8528
8529 2008-06-06  Uros Bizjak <ubizjak@gmail.com>
8530
8531         PR rtl-optimization/36438
8532         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
8533         for vector shifts with constant scalar shift operands.
8534
8535 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
8536
8537         * doc/invoke.texi: Document -march=xlr.
8538         * config/mips/xlr.md: New file.
8539         * config/mips/mips.md: Include it.
8540         (cpu): Add "xlr".
8541         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
8542         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
8543         (mips_rtx_cost_data): Likewise.
8544
8545 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
8546
8547         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
8548         PRE_INC and PRE_DEC cases.
8549
8550 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
8551
8552         PR rtl-optimization/36419
8553         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
8554         the emitting jump insn.
8555
8556         PR target/36362
8557         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
8558         is not bool, boolify the whole *expr_p and convert to the desired type.
8559
8560 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
8561
8562         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
8563         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
8564         Add omp_private_outer_ref hook, add another argument to
8565         omp_clause_default_ctor hook.
8566         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
8567         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
8568         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
8569         hook_tree_tree_tree_tree_null.
8570         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
8571         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
8572         * hooks.c (hook_tree_tree_tree_tree_null): New function.
8573         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
8574         * tree.def (OMP_TASK): New tree code.
8575         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
8576         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
8577         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
8578         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
8579         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
8580         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
8581         OMP_CLAUSE_COLLAPSE_EXPR): Define.
8582         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
8583         (OMP_DIRECTIVE_P): Add OMP_TASK.
8584         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
8585         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
8586         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
8587         and OMP_CLAUSE_UNTIED entries.
8588         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
8589         num_ops to 2.
8590         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8591         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
8592         * tree-pretty-print.c (dump_omp_clause): Handle
8593         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
8594         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
8595         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
8596         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
8597         warning about unsigned iterators.  Change decl/init/cond/incr
8598         arguments to TREE_VECs, check arguments for all collapsed loops.
8599         (c_finish_omp_taskwait): New function.
8600         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
8601         ws_clauses.
8602         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
8603         default_function_array_conversion on init.  Add par_clauses argument.
8604         If decl is present in parallel's lastprivate clause, change it to
8605         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
8606         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
8607         collapse count in clauses.
8608         (c_parser_omp_for, c_parser_omp_parallel): Adjust
8609         c_parser_omp_for_loop callers.
8610         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
8611         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
8612         (c_parser_omp_clause_name): Handle collapse and untied clauses.
8613         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
8614         functions.
8615         (c_parser_omp_clause_schedule): Handle schedule(auto).
8616         Include correct location in the error message.
8617         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
8618         and PRAGMA_OMP_CLAUSE_UNTIED.
8619         (OMP_TASK_CLAUSE_MASK): Define.
8620         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
8621         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
8622         * tree-nested.c (convert_nonlocal_omp_clauses,
8623         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
8624         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
8625         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8626         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
8627         OMP_CLAUSE_DECL.
8628         (conver_nonlocal_reference, convert_local_reference,
8629         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
8630         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
8631         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
8632         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
8633         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
8634         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
8635         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
8636         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
8637         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
8638         OMP_CLAUSE_UNTIED.
8639         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
8640         * c-common.h (c_finish_omp_taskwait): New prototype.
8641         * gimple-low.c (lower_stmt): Handle OMP_TASK.
8642         * tree-parloops.c (create_parallel_loop): Create 1 entry
8643         vectors for OMP_FOR_{INIT,COND,INCR}.
8644         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
8645         (make_edges): Handle OMP_TASK.
8646         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
8647         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
8648         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
8649         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
8650         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
8651         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
8652         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
8653         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
8654         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
8655         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
8656         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
8657         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
8658         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
8659         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
8660         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
8661         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
8662         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
8663         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
8664         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
8665         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
8666         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
8667         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
8668         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
8669         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
8670         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
8671         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
8672         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
8673         original iterator is present in lastprivate clause or if
8674         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
8675         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
8676         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
8677         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
8678         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
8679         if it is set, lookup var in outer contexts too.  Handle
8680         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
8681         to be implicitly determined firstprivate for task regions.
8682         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
8683         if it is set, lookup var in outer contexts too.  Set
8684         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
8685         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
8686         OMP_CLAUSE_UNTIED.  Take region_type as last argument
8687         instead of in_parallel and in_combined_parallel.
8688         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8689         Adjust callers.
8690         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
8691         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
8692         (new_omp_context): Set default_kind to
8693         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
8694         (omp_region_type): New enum.
8695         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
8696         fields, add region_type.
8697         (new_omp_context): Take region_type as argument instead of is_parallel
8698         and is_combined_parallel.
8699         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
8700         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
8701         ctx->is_combined_parallel checks.
8702         (gimplify_omp_task): New function.
8703         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
8704         OMP_CLAUSE_UNTIED.
8705         * omp-low.c (extract_omp_for_data): Use schedule(static)
8706         for schedule(auto).  Handle pointer and unsigned iterators.
8707         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
8708         Add loops argument.  Extract data for collapsed OMP_FOR loops.
8709         (expand_parallel_call): Assert sched_kind isn't auto,
8710         map runtime schedule to index 3.
8711         (struct omp_for_data_loop): New type.
8712         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
8713         Add loop, loops, collapse and iter_type fields.
8714         (workshare_safe_to_combine_p): Disallow combined for if
8715         iter_type is unsigned long long.  Don't combine collapse > 1 loops
8716         unless all bounds and steps are constant.  Adjust extract_omp_for_data
8717         caller.
8718         (expand_omp_for_generic): Handle pointer, unsigned and long long
8719         iterators.  Handle collapsed OMP_FOR loops.  Adjust
8720         for struct omp_for_data changes.  If libgomp function doesn't return
8721         boolean_type_node, add comparison of the return value with 0.
8722         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
8723         pointer, unsigned and long long iterators.  Adjust for struct
8724         omp_for_data changes.
8725         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
8726         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
8727         unsigned long long.  Allocate loops array, pass it to
8728         extract_omp_for_data.  For collapse > 1 loops use always
8729         expand_omp_for_generic.
8730         (omp_context): Add sfield_map and srecord_type fields.
8731         (is_task_ctx, lookup_sfield): New functions.
8732         (use_pointer_for_field): Use is_task_ctx helper.  Change first
8733         argument's type from const_tree to tree.  Clarify comment.
8734         In OMP_TASK disallow copy-in/out sharing.
8735         (build_sender_ref): Call lookup_sfield instead of lookup_field.
8736         (install_var_field): Add mask argument.  Populate both record_type
8737         and srecord_type if needed.
8738         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
8739         in srecord_type.
8740         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
8741         and DECL_FIELD_OFFSET.
8742         (scan_sharing_clauses): Adjust install_var_field callers.  For
8743         firstprivate clauses on explicit tasks allocate the var by value in
8744         record_type unconditionally, rather than by reference.
8745         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
8746         Use is_taskreg_ctx instead of is_parallel_ctx.
8747         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8748         (create_omp_child_function_name): Add task_copy argument, use
8749         *_omp_cpyfn* names if it is true.
8750         (create_omp_child_function): Add task_copy argument, if true create
8751         *_omp_cpyfn* helper function.
8752         (scan_omp_parallel): Adjust create_omp_child_function callers.
8753         Rename parallel_nesting_level to taskreg_nesting_level.
8754         (scan_omp_task): New function.
8755         (lower_rec_input_clauses): Don't run constructors for firstprivate
8756         explicit task vars which are initialized by *_omp_cpyfn*.
8757         Pass outer var ref to omp_clause_default_ctor hook if
8758         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
8759         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
8760         OMP_CLAUSE_REDUCTION_INIT.
8761         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
8762         avoid duplicate setting of fields.  Handle
8763         OMP_CLAUSE_PRIVATE_OUTER_REF.
8764         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
8765         copy-out if TREE_READONLY, only copy-in.
8766         (expand_task_copyfn): New function.
8767         (expand_task_call): New function.
8768         (struct omp_taskcopy_context): New type.
8769         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
8770         New functions.
8771         (lower_omp_parallel): Rename to...
8772         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
8773         Call create_task_copyfn if srecord_type is needed.  Adjust
8774         sender_decl type.
8775         (task_shared_vars): New variable.
8776         (check_omp_nesting_restrictions): Warn if work-sharing,
8777         barrier, master or ordered region is closely nested inside OMP_TASK.
8778         Add warnings for barrier if closely nested inside of work-sharing,
8779         ordered, or master region.
8780         (scan_omp_1): Call check_omp_nesting_restrictions even for
8781         GOMP_barrier calls.  Rename parallel_nesting_level to
8782         taskreg_nesting_level.  Handle OMP_TASK.
8783         (lower_lastprivate_clauses): Even if some lastprivate is found on a
8784         work-sharing construct, continue looking for them on parent parallel
8785         construct.
8786         (lower_omp_for_lastprivate): Add lastprivate clauses
8787         to the beginning of dlist rather than end.  Adjust for struct
8788         omp_for_data changes.
8789         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
8790         not after it.  Handle collapsed OMP_FOR loops, adjust for
8791         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
8792         (get_ws_args_for): Adjust extract_omp_for_data caller.
8793         (scan_omp_for): Handle collapsed OMP_FOR
8794         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
8795         (lower_omp_single_simple): If libgomp function doesn't return
8796         boolean_type_node, add comparison of the return value with 0.
8797         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
8798         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
8799         (parallel_nesting_level): Rename to...
8800         (taskreg_nesting_level): ... this.
8801         (is_taskreg_ctx): New function.
8802         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
8803         of is_parallel_ctx.
8804         (execute_lower_omp): Rename parallel_nesting_level to
8805         taskreg_nesting_level.
8806         (expand_omp_parallel): Rename to...
8807         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
8808         Call omp_task_call for OMP_TASK regions.
8809         (expand_omp): Adjust caller, handle OMP_TASK.
8810         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
8811
8812         * bitmap.c (bitmap_default_obstack_depth): New variable.
8813         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
8814         if argument is NULL and bitmap_default_obstack is already initialized.
8815         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
8816         at the end.
8817         * matrix-reorg.c (matrix_reorg): Likewise.
8818
8819 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
8820
8821         * config/i386/i386.md (*indirect_jump): Macroize using P
8822         mode iterator.  Remove !TARGET_64BIT from insn constraints.
8823         (*tablejump_1): Ditto.
8824         (*indirect_jump_rex64): Remove insn pattern.
8825         (*tablejump_1_rex64): Ditto.
8826         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
8827         and eh_return_si insn patterns.
8828
8829 2008-06-06  Richard Guenther  <rguenther@suse.de>
8830
8831         * tree-ssa-structalias.c (merge_smts_into): Remove.
8832         (find_what_p_points_to): Do not bother to compute the
8833         points-to set for pt_anything pointers.
8834         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
8835         for pt_anything pointers is ok.
8836
8837 2008-06-06  Jan Hubicka  <jh@suse.cz>
8838
8839         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
8840
8841 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8842
8843         * cgraph.c: Fix typos in comments.
8844         (cgraph_availability_names): Fix string typo.
8845         * fold-const.c: Fix typos in comments.
8846         (fold_binary): Fix typo in warning.
8847         * genautomata.c: Fix typos in comments.
8848         (check_presence_pattern_sets): Fix typo in local variable.
8849         (output_description): Fix typo in output.
8850         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
8851         * hwint.h: Likewise.
8852         * matrix-reorg.c (check_allocation_function): Likewise.
8853         * omega.c (smooth_weird_equations): Likewise.
8854         * auto-inc-dec.c: Fix typos in comments.
8855         * bb-reorder.c: Likewise.
8856         * builtins.c: Likewise.
8857         * c-common.c: Likewise.
8858         * c-cppbuiltin.c: Likewise.
8859         * c-parser.c: Likewise.
8860         * c-pretty-print.c: Likewise.
8861         * cfgcleanup.c: Likewise.
8862         * cfgexpand.c: Likewise.
8863         * cfghooks.c: Likewise.
8864         * cfglayout.c: Likewise.
8865         * cfgloopmanip.c: Likewise.
8866         * cgraphunit.c: Likewise.
8867         * coverage.c: Likewise.
8868         * dbxout.c: Likewise.
8869         * df-byte-scan.c: Likewise.
8870         * df-core.c: Likewise.
8871         * df-problems.c: Likewise.
8872         * df-scan.c: Likewise.
8873         * dfp.c: Likewise.
8874         * dominance.c: Likewise.
8875         * domwalk.c: Likewise.
8876         * dse.c: Likewise.
8877         * dwarf2out.c: Likewise.
8878         * emit-rtl.c: Likewise.
8879         * et-forest.c: Likewise.
8880         * function.c: Likewise.
8881         * function.h: Likewise.
8882         * gcc.c: Likewise.
8883         * gcov-io.c: Likewise.
8884         * gcov.c: Likewise.
8885         * gcse.c: Likewise.
8886         * genattrtab.c: Likewise.
8887         * ggc-page.c: Likewise.
8888         * gimplify.c: Likewise.
8889         * gthr-lynx.h: Likewise.
8890         * haifa-sched.c: Likewise.
8891         * ipa-cp.c: Likewise.
8892         * ipa-inline.c: Likewise.
8893         * ipa-prop.h: Likewise.
8894         * ipa-pure-const.c: Likewise.
8895         * ipa-struct-reorg.c: Likewise.
8896         * ipa-struct-reorg.h: Likewise.
8897         * ipa-type-escape.c: Likewise.
8898         * ipa.c: Likewise.
8899         * loop-doloop.c: Likewise.
8900         * mips-tfile.c: Likewise.
8901         * mkmap-flat.awk: Likewise.
8902         * mkmap-symver.awk: Likewise.
8903         * modulo-sched.c: Likewise.
8904         * omp-low.c: Likewise.
8905         * optabs.c: Likewise.
8906         * optabs.h: Likewise.
8907         * opts.c: Likewise.
8908         * passes.c: Likewise.
8909         * postreload-gcse.c: Likewise.
8910         * postreload.c: Likewise.
8911         * predict.c: Likewise.
8912         * pretty-print.h: Likewise.
8913         * profile.c: Likewise.
8914         * protoize.c: Likewise.
8915         * ra-conflict.c: Likewise.
8916         * real.c: Likewise.
8917         * recog.c: Likewise.
8918         * regclass.c: Likewise.
8919         * regs.h: Likewise.
8920         * reload.c: Likewise.
8921         * rtl-error.c: Likewise.
8922         * rtlanal.c: Likewise.
8923         * scan.h: Likewise.
8924         * sched-rgn.c: Likewise.
8925         * see.c: Likewise.
8926         * stmt.c: Likewise.
8927         * target.h: Likewise.
8928         * tree-dfa.c: Likewise.
8929         * tree-eh.c: Likewise.
8930         * tree-flow-inline.h: Likewise.
8931         * tree-inline.c: Likewise.
8932         * tree-into-ssa.c: Likewise.
8933         * tree-loop-distribution.c: Likewise.
8934         * tree-nested.c: Likewise.
8935         * tree-parloops.c: Likewise.
8936         * tree-pass.h: Likewise.
8937         * tree-pretty-print.c: Likewise.
8938         * tree-profile.c: Likewise.
8939         * tree-scalar-evolution.c: Likewise.
8940         * tree-sra.c: Likewise.
8941         * tree-ssa-alias-warnings.c: Likewise.
8942         * tree-ssa-ccp.c: Likewise.
8943         * tree-ssa-coalesce.c: Likewise.
8944         * tree-ssa-dom.c: Likewise.
8945         * tree-ssa-dse.c: Likewise.
8946         * tree-ssa-forwprop.c: Likewise.
8947         * tree-ssa-live.c: Likewise.
8948         * tree-ssa-live.h: Likewise.
8949         * tree-ssa-loop-im.c: Likewise.
8950         * tree-ssa-loop-ivopts.c: Likewise.
8951         * tree-ssa-loop-niter.c: Likewise.
8952         * tree-ssa-loop-prefetch.c: Likewise.
8953         * tree-ssa-phiopt.c: Likewise.
8954         * tree-ssa-phiprop.c: Likewise.
8955         * tree-ssa-sccvn.c: Likewise.
8956         * tree-ssa-ter.c: Likewise.
8957         * tree-ssa-threadupdate.c: Likewise.
8958         * tree-ssa.c: Likewise.
8959         * tree-vect-analyze.c: Likewise.
8960         * tree-vect-transform.c: Likewise.
8961         * tree-vectorizer.c: Likewise.
8962         * tree-vn.c: Likewise.
8963         * tree-vrp.c: Likewise.
8964         * tree.c: Likewise.
8965         * tree.def: Likewise.
8966         * tree.h: Likewise.
8967         * unwind-dw2-fde.c: Likewise.
8968         * unwind.inc: Likewise.
8969         * value-prof.c: Likewise.
8970         * vmsdbgout.c: Likewise.
8971
8972 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
8973
8974         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
8975         always place FP constants in the TOC for TARGET_POWERPC64.
8976         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
8977
8978 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
8979
8980         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
8981         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
8982         enable for TARGET_E500_DOUBLE.
8983         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
8984         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
8985         floating-point modes like integer modes for E500 double.
8986         (rs6000_legitimate_offset_address_p): Likewise.
8987         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
8988         addressing for DDmode for E500 double.
8989         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
8990         modes as using 64-bits of registers for E500 double.
8991         (spe_build_register_parallel): Do not handle DDmode or TDmode.
8992         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
8993         specially for E500 double.
8994         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
8995         TDmode for E500 double.
8996         (rs6000_gimplify_va_arg): Only handle SDmode in registers
8997         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
8998         (rs6000_split_multireg_move): Do not handle TDmode specially for
8999         E500 double.
9000         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
9001         using 64-bit registers for E500 double.
9002         (emit_frame_save): Do not handle DDmode specially for E500 double.
9003         (gen_frame_mem_offset): Likewise.
9004         (rs6000_function_value): Do not call spe_build_register_parallel
9005         for DDmode or TDmode.
9006         (rs6000_libcall_value): Likewise.
9007         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
9008         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
9009         for E500 double.
9010
9011 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
9012
9013         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
9014         in comments.
9015
9016 2008-06-04  Junjie Gu <jgu@tensilica.com>
9017
9018         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
9019         comparison for frame pointers.
9020
9021 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9022
9023         PR target/27386
9024         * config/avr/avr.h (PUSH_ROUNDING): Remove.
9025
9026 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9027
9028         PR target/30243
9029         * builtins.c (expand_builtin_signbit): Don't take lowpart when
9030         register is already smaller or equal to required mode.
9031
9032 2008-06-04  Xinliang David Li  <davidxl@google.com>
9033
9034         * tree-call-cdce.c: New file.
9035         (cond_dead_built_in_calls): New static variable.
9036         (input_domain): New struct.
9037         (check_pow): New function.
9038         (check_builtin_call): Ditto.
9039         (check_target_format): Ditto.
9040         (is_call_dce_candidate): Ditto.
9041         (gen_one_condition): Ditto.
9042         (gen_conditions_for_domain): Ditto.
9043         (get_domain): Ditto.
9044         (gen_conditions_for_pow_cst_base): Ditto.
9045         (gen_conditions_for_pow_int_base): Ditto.
9046         (gen_conditions_for_pow): Ditto.
9047         (get_no_error_domain): Ditto.
9048         (gen_shrink_wrap_conditions): Ditto.
9049         (shrink_wrap_one_built_in_call): Ditto.
9050         (shink_wrap_conditional_dead_built_in_calls): Ditto.
9051         (tree_call_cdce): Ditto.
9052         (gate_call_cdce): Ditto.
9053         (pass_call_cdce): New gimple pass.
9054         * passes.c: (init_optimization_passes): New pass.
9055         * tree-pass.h: New pass declaration.
9056         * opts.c (decode_options): New flag setting.
9057         * common.opt: Add -ftree-builtin-call-dce flag.
9058         * Makefile.in: Add new source file.
9059         * tempvar.def: New tv_id.
9060         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
9061
9062 2008-06-04  Richard Guenther  <rguenther@suse.de>
9063
9064         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
9065         (is_call_clobbered): Always check var_ann->call_clobbered.
9066         (mark_call_clobbered): Always set var_ann->call_clobbered.
9067         (clear_call_clobbered): Always clear var_ann->call_clobbered.
9068         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
9069         (reset_alias_info): Clear call clobbering info on MTAGs and
9070         globals as well.
9071         (set_pt_anything): Set pt_global_mem.
9072         (create_tag_raw): Adjust comment.
9073         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
9074
9075 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
9076             Maxim Kuvyrkov  <maxim@codesourcery.com>
9077
9078         * config/m68k/m68k.opt (mxgot): New option.
9079         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
9080         (m68k_output_addr_const_extra): New.
9081         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
9082         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
9083         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
9084         * doc/invoke.texi (M680x0 Options): Document -mxgot.
9085
9086 2008-06-04  Richard Guenther  <rguenther@suse.de>
9087
9088         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
9089         negative or non-representable offsets.
9090
9091 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
9092
9093         * config/i386/i386.c (ix86_gen_leave): New.
9094         (ix86_gen_pop1): Likewise.
9095         (ix86_gen_add3): Likewise.
9096         (ix86_gen_sub3): Likewise.
9097         (ix86_gen_sub3_carry): Likewise.
9098         (ix86_gen_one_cmpl2): Likewise.
9099         (ix86_gen_monitor): Likewise.
9100         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
9101         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
9102         ix86_gen_one_cmpl2 and ix86_gen_monitor.
9103         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
9104         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
9105         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
9106         (ix86_expand_epilogue): Updated.
9107         (print_operand): Handle integer register operand for 'z'.
9108         (ix86_expand_strlensi_unroll_1): Likewise.
9109         (ix86_expand_strlen): Likewise.
9110         (ix86_expand_builtin): Likewise.
9111         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
9112         mov{q}/mov{l} and add{q}/add{l}.
9113
9114 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9115
9116         * config/i386/i386.md (P): New mode iterator.
9117         (SFmode push_operand splitter): Macroize DImode and SImode pushes
9118         using P mode iterator.
9119         (DFmode push_operand splitter): Ditto.
9120         (XFmode push_operand splitter): Ditto.
9121         (DFmode float_extend SFmode push_operand splitter): Ditto.
9122         (XFmode float_extend SFmode push_operand splitter): Do not generate
9123         SImode pushes for 64bit target.  Macroize Dimode and SImode
9124         pushes using P mode iterator.
9125         (XFmode float_extend DFmode push_operand splitter): Ditto.
9126
9127 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9128
9129         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
9130         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
9131         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
9132         return type to int.
9133         (ix86_call_abi_override): Remove check for call_used_regs.
9134
9135 2008-06-03  Richard Guenther  <rguenther@suse.de>
9136
9137         * tree-ssa-structalias.c (find_func_aliases): Add constraints
9138         for the lhs of calls if the return type contains pointers.
9139
9140 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9141
9142         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
9143         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
9144         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
9145         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
9146         of cfun and DEFAULT_ABI to deceide abi mode.
9147         (DEFAULT_ABI): New.
9148         (REG_PARM_STACK_SPACE): Removed.
9149         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
9150         (STACK_BOUNDARY): Use default target to deceide stack boundary.
9151         * config/i386/i386-protos.h (ix86_cfun_abi): New.
9152         (ix86_function_abi): Likewise.
9153         (ix86_function_type_abi): Likewise.
9154         (ix86_call_abi_override): Likewise.
9155         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
9156         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
9157         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
9158         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
9159         specific defines.
9160         (X86_64_REGPARM_MAX): New.
9161         (X86_64_SSE_REGPARM_MAX): New.
9162         (X64_REGPARM_MAX): New.
9163         (X64_SSE_REGPARM_MAX): New.
9164         (X86_32_REGPARM_MAX): New.
9165         (X86_32_SSE_REGPARM_MAX): New.
9166         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
9167         (ix86_function_regparm): Handle user calling abi.
9168         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
9169         by DEFAULT_ABI versus SYSV_ABI check.
9170         (ix86_reg_parm_stack_space): New.
9171         (ix86_function_type_abi): New.
9172         (ix86_call_abi_override): New.
9173         (ix86_function_abi): New.
9174         (ix86_cfun_abi): New.
9175         (init_cumulative_args): Call abi specific initialization.
9176         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
9177         (function_arg_64): Extend SSE_REGPARM_MAX check.
9178         (function_arg (): Remove TARGET_64BIT_MS_ABI.
9179         (ix86_pass_by_reference): Likewise.
9180         (ix86_function_value_regno_p): Likewise.
9181         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
9182         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
9183         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
9184         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
9185         (setup_incoming_varargs_64): Adjust regparm for call abi.
9186         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
9187         (ix86_va_start): Likewise.
9188         (ix86_gimplify_va_arg): Likewise.
9189         (ix86_expand_prologue): Likewise.
9190         (output_pic_addr_const): Likewise.
9191         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
9192         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
9193         (x86_output_mi_thunk): Likewise.
9194         (x86_function_profiler): Likewise.
9195         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
9196         (SYSV_ABI, MS_ABI): New constants.
9197         (DEFAULT_ABI): New.
9198         (init_regs): Add prototype of function in regclass.c file.
9199         (OVERRIDE_ABI_FORMAT): New.
9200         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
9201         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
9202         (OUTGOING_REG_PARM_STACK_SPACE): New.
9203         (ix86_reg_parm_stack_space): New prototype.
9204         (CUMULATIVE_ARGS): Add call_abi member.
9205         (machine_function): Add call_abi member.
9206         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
9207         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
9208
9209 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>
9210
9211         PR target/34879
9212         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
9213         (avr_builtin_setjmp_frame_value): New function.
9214         * config/avr/avr.md (nonlocal_goto_receiver): Define.
9215         (nonlocal_goto): Define.
9216
9217 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
9218
9219         * config/mips/mips.c (mips_emit_loadgp): Return early if
9220         there is nothing do to, otherwise emit a blockage if
9221         !TARGET_EXPLICIT_RELOCS || crtl->profile.
9222         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
9223
9224 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9225
9226         * configure.ac: Drop unneeded backslash ending up in config.in.
9227         * acinclude.m4: Likewise.
9228         * config.in: Regenerate.
9229
9230 2008-05-26  Jan Hubicka  <jh@suse.cz>
9231
9232         * predict.c (maybe_hot_frequency_p): Break out of...
9233         (maybe_hot_bb_p): ... here.
9234         (maybe_hot_edge_p): New.
9235         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
9236         * basic-block.h (maybe_hot_edge_p): Declare.
9237
9238 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
9239
9240         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
9241         (*cmpfp_<mode>_cc): Ditto.
9242         (*fp_jcc_8<mode>_387): Ditto.
9243         (*fop_<MODEF:mode>_2_i387): Ditto.
9244         (*fop_<MODEF:mode>_3_i387): Ditto.
9245         (*fop_xf_2_i387): Ditto.
9246         (*fop_xf_3_i387): Ditto.
9247
9248 2008-06-02  Tomas Bily  <tbily@suse.cz>
9249
9250         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
9251
9252 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9253
9254         * config/mips/mips.c (mips_valid_offset_p): New function.
9255         (mips_valid_lo_sum_p): Likewise.
9256         (mips_classify_address): Use them.
9257         (mips_force_address): New function.
9258         (mips_legitimize_address): Use it.
9259         * config/mips/mips.md (MOVE128): New mode iterator.
9260         (movtf): Require TARGET_64BIT.  Remove empty strings.
9261         (*movtf_internal): Rename to...
9262         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
9263         of "R" and use {,fp}{load,store} attributes instead of "multi".
9264         Use a separate define_split.
9265         (*movtf_mips16): New pattern.
9266
9267 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9268
9269         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
9270         * config/mips/mips.c (mips_expand_before_return): New function.
9271         (mips_expand_epilogue): Call it.
9272         * config/mips/mips.md (return): Turn into a define_expand.
9273         (*return): New insn.
9274
9275 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9276
9277         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
9278         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
9279         functions.  Do not emit uses and clobbers of CONCATs; individually
9280         use and clobber their operands.
9281         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
9282         gen_clobber, emit_use and gen_use.
9283         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
9284         (expand_builtin_return): Likewise.
9285         * cfgbuild.c (count_basic_blocks): Likewise.
9286         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
9287         * explow.c (emit_stack_restore): Likewise.
9288         * expmed.c (extract_bit_field_1): Likewise.
9289         * expr.c (convert_move, emit_move_complex_parts): Likewise.
9290         (emit_move_multi_word, store_constructor): Likewise.
9291         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
9292         (thread_prologue_and_epilogue_insns): Likewise.
9293         * lower-subreg.c (resolve_simple_move): Likewise.
9294         * optabs.c (widen_operand, expand_binop): Likewise.
9295         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
9296         * reload.c (find_reloads): Likewise.
9297         * reload1.c (eliminate_regs_in_insn): Likewise.
9298         * stmt.c (expand_nl_goto_receiver): Likewise.
9299         * config/alpha/alpha.md (builtin_longjmp): Likewise.
9300         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
9301         * config/arm/arm.c (arm_load_pic_register): Likewise.
9302         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
9303         * config/arm/arm.md (untyped_return): Likewise.
9304         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
9305         * config/avr/avr.c (expand_prologue): Likewise.
9306         * config/bfin/bfin.c (do_unlink): Likewise.
9307         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
9308         * config/cris/cris.c (cris_expand_prologue): Likewise.
9309         * config/darwin.c (machopic_indirect_data_reference): Likewise.
9310         (machopic_legitimize_pic_address): Likewise.
9311         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
9312         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
9313         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
9314         (ix86_expand_convert_uns_didf_sse): Likewise.
9315         (ix86_expand_vector_init_general): Likewise.
9316         * config/ia64/ia64.md (eh_epilogue): Likewise.
9317         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
9318         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
9319         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
9320         (config/iq2000/iq2000.c): Likewise.
9321         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
9322         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
9323         (builtin_longjmp): Likewise.
9324         * config/mn10300/mn10300.md (call, call_value): Likewise.
9325         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
9326         * config/pdp11/pdp11.md (abshi2): Likewise.
9327         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
9328         * config/s390/s390.c (s390_emit_prologue): Likewise.
9329         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
9330         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
9331         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
9332         * config/sh/sh.c (prepare_move_operands): Likewise.
9333         (output_stack_adjust, sh_expand_epilogue): Likewise.
9334         (sh_set_return_address, sh_expand_t_scc): Likewise.
9335         * config/sparc/sparc.c (load_pic_register): Likewise.
9336         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
9337         * config/spu/spu.c (spu_expand_epilogue): Likewise.
9338         * config/v850/v850.c (expand_epilogue): Likewise.
9339
9340 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
9341
9342         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
9343         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
9344         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
9345         * config/avr/avr.c (expand_prologue, expand_epilogue): Use
9346         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
9347         stack pointer register.
9348         (output_movhi): Remove code for interrupt specific writing to the
9349         stack pointer register.
9350
9351 2008-05-31  Richard Guenther  <rguenther@suse.de>
9352
9353         PR tree-optimization/34244
9354         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
9355         (tree_expr_nonzero_warnv_p): Likewise.
9356         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
9357         ssa_name_nonnegative_p.
9358         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
9359         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
9360         not tree_expr_nonzero_warnv_p.
9361
9362         PR tree-optimization/36262
9363         Revert
9364         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
9365
9366         PR tree-optimization/34244
9367         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
9368         (record_numbers_of_iterations): New function.
9369         (execute_vrp): Cache the numbers of iterations of loops.
9370         * tree-scalar-evolution.c (scev_reset_except_niters):
9371         New function.
9372         (scev_reset): Use scev_reset_except_niters.
9373         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
9374
9375 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
9376
9377         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9378         __WORKAROUND_RETS when appropriate.
9379
9380 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
9381
9382         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
9383         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
9384         mode iterator.
9385         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
9386         *fop_df_comm_sse insn patterns using MODEF mode iterator.
9387         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
9388         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
9389         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
9390         *fop_df_1_mixed insn patterns using MODEF mode iterator.
9391         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
9392         *fop_df_1_sse insn patterns using MODEF mode iterator.
9393         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
9394         *fop_df_1_i387 insn patterns using MODEF mode iterator.
9395         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
9396         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
9397         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
9398         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
9399         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
9400         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
9401         (*fop_xf_4_i387): Use <MODE> for mode attribute.
9402         (*fop_xf_5_i387): Ditto.
9403         (*fop_xf_6_i387): Ditto.
9404
9405 2008-05-30  Richard Guenther  <rguenther@suse.de>
9406
9407         * builtins.c (build_string_literal): Avoid generating
9408         a non-gimple_val result.
9409
9410 2008-05-30  DJ Delorie  <dj@redhat.com>
9411
9412         * exec-tool.in: Use an environment variable (private) instead of a
9413         file (shared) as a semaphore, so as to not break parallel builds.
9414
9415 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
9416
9417         * optabs.c (maybe_encapsulate_block): Remove.
9418         (emit_libcall_block): Adjust accordingly.
9419         * optabs.h (maybe_encapsulate_block): Remove prototype.
9420
9421         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
9422         Don't use maybe_encapsulate_block.
9423
9424 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
9425
9426         * config/rs6000/rs6000.c (rs6000_legitimize_address,
9427         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
9428         rtx is a SYMBOL_REF before calling get_pool_constant.
9429
9430 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
9431
9432         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
9433
9434 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
9435
9436         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
9437         rather than OS names to choose INO_T_EQ definition.
9438         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
9439         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
9440
9441 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
9442
9443         PR target/36348
9444         * config/darwin-f.c: New.
9445         * config/t-darwin: Added rule to build darwin-f.o.
9446         * config.gcc: Defined new variable, fortran_target_objs.
9447         (*-*-darwin*): Set fortran_target_objs.
9448         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
9449         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
9450         * configure: Regenerated.
9451
9452 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
9453
9454         PR target/35771
9455         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
9456         canonical type if needed.
9457
9458 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
9459
9460         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
9461
9462 2008-05-29  Richard Guenther  <rguenther@suse.de>
9463
9464         PR tree-optimization/36343
9465         PR tree-optimization/36346
9466         PR tree-optimization/36347
9467         * tree-flow.h (clobber_what_p_points_to): Declare.
9468         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
9469         pointed-to variable is dereferenced is irrelevant to whether
9470         the pointer can access the pointed-to variable.
9471         (clobber_what_p_points_to): New function.
9472         * tree-ssa-alias.c (set_initial_properties): Use it.
9473         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
9474         call clobber check for NMTs.
9475
9476 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
9477
9478         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
9479         for printing gcov_type.
9480
9481 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
9482
9483         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
9484         and the eh region information.
9485         * value-prof.c (gimple_move_stmt_histograms): New function.
9486         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
9487
9488 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
9489
9490         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
9491
9492 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
9493
9494         * value-prof.c (tree_ic_transform): Print counts.
9495         * tree-profile.c (tree_gen_ic_func_profiler):
9496         Clear __gcov_indreict_call_callee variable to avoid misattribution
9497         of the profile.
9498
9499 2008-05-28  Rafael Espindola  <espindola@google.com>
9500
9501         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
9502         invalid sharing.
9503
9504 2008-05-28  Richard Guenther  <rguenther@suse.de>
9505
9506         PR tree-optimization/36339
9507         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
9508         and clobbering code out of the loop.
9509
9510 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9511
9512         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
9513         letters defined.
9514
9515         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
9516         s390_contiguous_bitmask_p, s390_symref_operand_p,
9517         s390_check_symref_alignment, s390_reload_larl_operand,
9518         s390_reload_symref_address): New functions.
9519         (s390_branch_condition_mnemonic): Support compare and branch
9520         instructions.
9521         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
9522         and 'W' constraints.
9523         (s390_secondary_reload): Add secondary reloads for unaligned
9524         symbol refs or symbol refs to floating point or QI/TI mode
9525         integer values.
9526         (legitimate_address_p): Accept symbol references as addresses.
9527         (s390_expand_insv): Use rotate and insert selected bits
9528         instruction for insv when building for z10.
9529         (print_operand_address): Handle symbol ref addresses.
9530         (print_operand): Output modifier 'c' added for signed byte values.
9531         (s390_encode_section_info): Mark symbol refs with
9532         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
9533
9534         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
9535         (length attribute): RRF, RRR have 4 byte length.
9536         (FPALL, INTALL): New mode iterators added.
9537         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
9538         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
9539         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
9540         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
9541         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
9542         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
9543         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
9544         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
9545         instructions.
9546         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
9547         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
9548         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
9549         reload<INTALL:mode><P:mode>_toreg_z10,
9550         reload<FPALL:mode><P:mode>_tomem_z10,
9551         reload<FPALL:mode><P:mode>_toreg_z10,
9552         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
9553         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
9554         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
9555         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
9556         definition.
9557         (movmem, clrmem, cmpmem): New splitters added.
9558
9559         * config/s390/predicates.md (larl_operand): Use
9560         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
9561         SYMBOL_REF_ALIGN1_P.
9562         (s390_signed_integer_comparison,
9563         s390_unsigned_integer_comparison): New predicates.
9564
9565         * config/s390/s390-protos.h (s390_check_symref_alignment,
9566         s390_contiguous_bitmask_p, s390_reload_larl_operand,
9567         s390_reload_symref_address,
9568         s390_compare_and_branch_condition_mask): Prototypes added.
9569
9570         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
9571         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
9572         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
9573
9574 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9575
9576         * config/s390/s390.c (z10_cost): New cost function for z10.
9577         (s390_handle_arch_option, override_options): Support -march=z10 switch.
9578         (s390_issue_rate): Adjust issue rate for z10.
9579         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
9580         (processor_flags): Add PF_Z10.
9581         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
9582         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
9583         * gcc/config.gcc: Add z10.
9584
9585 2008-05-28  Richard Guenther  <rguenther@suse.de>
9586
9587         PR tree-optimization/36291
9588         * tree-flow. h (struct gimple_df): Remove var_anns member.
9589         * tree-flow-inline.h (gimple_var_anns): Remove.
9590         (var_ann): Simplify.
9591         * tree-dfa.c (create_var_ann): Simplify.
9592         (remove_referenced_var): Clear alias info from var_anns of globals.
9593         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
9594         (delete_tree_ssa): Clear alias info from var_anns of globals.
9595         Do not free var_anns.
9596         (var_ann_eq): Remove.
9597         (var_ann_hash): Likewise.
9598
9599 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
9600
9601         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
9602         and loongson2f entries.
9603         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
9604         * config/mips/mips.h (processor_type): Add Loongson-2E
9605         and Loongson-2F entries.
9606         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
9607         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
9608         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
9609         * doc/invoke.texi (MIPS Options): Document loongson2e
9610         and loongson2f processor names.
9611
9612 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
9613
9614         PR target/35767
9615         PR target/35771
9616         * config/i386/i386.c (ix86_function_arg_boundary): Use
9617         alignment of canonical type.
9618         (ix86_expand_vector_move): Check unaligned memory access for
9619         all SSE modes.
9620
9621 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
9622
9623         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
9624         Moved to the front of file.
9625
9626 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
9627             H.J. Lu  <hongjiu.lu@intel.com>
9628
9629         * dwarf2out.c (current_fde): New.
9630         (add_cfi): Use it.
9631         (lookup_cfa:): Likewise.
9632         (dwarf2out_end_epilogue): Likewise.
9633         (dwarf2out_note_section_used): Likewise.
9634
9635 2008-05-27  Michael Matz  <matz@suse.de>
9636
9637         PR c++/27975
9638         * c.opt (Wenum-compare): New warning option.
9639         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
9640
9641 2008-05-27  Michael Matz  <matz@suse.de>
9642
9643         PR middle-end/36326
9644         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
9645         non-BLKmode types.
9646         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
9647         into memory as tail calls.
9648
9649 2008-05-27  Richard Guenther  <rguenther@suse.de>
9650
9651         PR tree-optimization/36339
9652         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
9653         pointers cause all addressable variables to be call clobbered.
9654
9655 2008-05-27  Richard Guenther  <rguenther@suse.de>
9656
9657         PR tree-optimization/36245
9658         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
9659
9660 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9661
9662         * config/s390/s390.md: Replace all occurences of the 'm'
9663         constraint with 'RT'.
9664
9665 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9666
9667         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
9668         definitions added.
9669         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
9670         "*movdi_64".
9671         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
9672         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
9673         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
9674
9675 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9676
9677         * reload.c: (find_reloads): Skip alternatives according to the
9678         "enabled" attribute. Constify the constraint variable.
9679         * recog.c (get_attr_enabled): Add default implementation.
9680         (extract_insn): Set the alternative_enabled_p array
9681         in the recog_data struct.
9682         (preprocess_constraints, constrain_operands): Skip
9683         alternatives according to the "enabled" attribute
9684         * recog.h (struct recog_data): New field alternative_enabled_p.
9685         (skip_alternative): New inline function.
9686         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
9687         (record_reg_classes): Skip alternative according to the
9688         "enabled" attribute.
9689
9690         * doc/md.texi: Add documention for the "enabled" attribute.
9691
9692 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9693
9694         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
9695         * postreload.c (reload_cse_simplify_operands): Replace 'm'
9696         constraint with TARGET_MEM_CONSTRAINT.
9697         * recog.c (asm_operand_ok, preprocess_constraints,
9698         constrain_operands): Likewise.
9699         * regclass.c (record_reg_classes): Likewise.
9700         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
9701         * reload1.c (maybe_fix_stack_asms): Likewise.
9702         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
9703         * recog.h: Adjust comment.
9704         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
9705         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
9706         * doc/md.texi: Add a note to description of 'm' constraint.
9707         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
9708
9709 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
9710
9711         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
9712         that the bitfield is of integral type before testing its precision.
9713
9714 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
9715             Sa Liu  <saliu@de.ibm.com>
9716
9717         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
9718         __modti3, __udivti3, __umodti3 and __udivmodti4.
9719         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
9720         that implement TImode mul and div functions.
9721         * config/spu/multi3.c: New. Implement __multi3.
9722         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
9723         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
9724         functions on SPU.
9725
9726 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
9727
9728         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
9729         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
9730         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
9731         tls_sysv_suffix): New mode and mode attribute iterators.
9732         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
9733         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
9734         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
9735         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
9736         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
9737         iterators.
9738
9739 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
9740
9741         PR tree-optimization/36329
9742         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
9743         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
9744         * cgraphbuild.c (initialize_inline_failed): Use the latter
9745         macro in lieu of the former.
9746         * ipa-inline.c (cgraph_mark_inline): Likewise.
9747         (cgraph_decide_inlining_of_small_function): Likewise.
9748         (cgraph_decide_inlining): Likewise.
9749         (cgraph_decide_inlining_incrementally): Likewise.
9750
9751 2008-05-26  Tristan Gingold  <gingold@adacore.com>
9752             Anatoly Sokolov  <aesok@post.ru>
9753
9754         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
9755         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
9756         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
9757         optimization for 'avr6' architecture.
9758
9759 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
9760
9761         PR target/34932
9762         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
9763
9764 2008-05-26  Richard Guenther  <rguenther@suse.de>
9765
9766         * tree-ssa-sccvn.c (expr_has_constants): Declare.
9767         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
9768
9769 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
9770
9771         PR middle-end/36253
9772         * caller-save.c (insert_restore): Verify alignment of spill space.
9773         (insert_save): Likewise.
9774         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
9775         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
9776         (STACK_SLOT_ALIGNMENT): Likewise.
9777         * function.c (LOCAL_ALIGNMENT): Removed.
9778         (get_stack_local_alignment): New.
9779         (assign_stack_local): Use it.  Set alignment on stack slot.
9780         (assign_stack_temp_for_type): Use get_stack_local_alignment.
9781         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
9782         (STACK_SLOT_ALIGNMENT): New.
9783         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
9784         stack slot in XFmode.
9785
9786         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
9787
9788 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
9789
9790         PR/36321
9791         * config/i386/i386.md (allocate_stack_worker_64): Make sure
9792         argument operand in rax isn't removed.
9793
9794 2008-05-26  Richard Guenther  <rguenther@suse.de>
9795
9796         PR middle-end/36300
9797         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
9798         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
9799
9800 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
9801
9802         PR bootstrap/36331
9803         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
9804
9805 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
9806
9807         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
9808         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
9809
9810 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
9811
9812         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
9813         build a trampoline if we don't want one.
9814         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
9815         return zero for nested functions if we don't want a trampoline.
9816
9817 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
9818
9819         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
9820
9821 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
9822
9823         PR fortran/18428
9824         * c.opt: Removed undocumented option '-lang-fortran'.
9825         * c-common.h: Removed global variable 'lang_fortran'.
9826         * c-opts.c (c_common_handle_option): Removed code to handle
9827         option '-lang-fortran'. Updated includes.
9828         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
9829         definition of '__GFORTRAN__'.
9830         (define__GNUC__): Reimplemented to use BASEVER and
9831         cpp_define_formatted.
9832         (builtin_define_with_value_n): Removed.
9833         * c-incpath.h: Renamed to ...
9834         * incpath.h: ... this.
9835         * c-incpath.c: Renamed to ...
9836         * incpath.c: ... this. Updated includes.
9837         * fix-header.c: Updated includes.
9838         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
9839         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
9840         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
9841
9842 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
9843
9844         * tree.h: Update the table of flags used on tree nodes.
9845         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
9846         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
9847         (FORCED_LABEL): Add access check.
9848         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
9849         (ASM_INPUT_P): Likewise.
9850         (ASM_VOLATILE_P): Likewise.
9851         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
9852         (OMP_SECTION_LAST): Access private_flag directly.
9853         (OMP_RETURN_NOWAIT): Likewise.
9854         (OMP_PARALLEL_COMBINED): Likewise.
9855         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
9856         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
9857         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
9858         deprecated_flag directly.
9859
9860 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
9861
9862         * final.c (frame_pointer_needed): Removed.
9863         * flags.h (frame_pointer_needed): Likewise.
9864
9865         * function.h (rtl_data): Add frame_pointer_needed.
9866         (frame_pointer_needed): New.
9867
9868 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
9869
9870         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
9871
9872 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
9873
9874         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
9875         SRC is a REG.
9876
9877 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
9878
9879         * c-common.c (strip_array_types): Move function to..
9880         * tree.c: ..here.
9881         (get_inner_array_type): Delete.
9882         * c-common.h (strip_array_types): Move declaration to..
9883         * tree.h: ..here.
9884         (get_inner_array_type): Delete.
9885         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
9886         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
9887         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
9888         * config/pa/pa.c (emit_move_sequence): Likewise.
9889
9890 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
9891
9892         * config/i386/i386.md (*sse_prologue_save_insn): Set length
9893         attribute to 34.
9894
9895 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
9896
9897         * function.c: Include target hook for nonlocal_goto frame value.
9898
9899 2008-05-24  Richard Guenther  <rguenther@suse.de>
9900
9901         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
9902         variable can be only accessed through a pointer or a union.
9903
9904 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9905
9906         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
9907         * doc/extend.texi: Likewise.
9908
9909 2008-05-23  DJ Delorie  <dj@redhat.com>
9910
9911         * config/m32c/jump.md (untyped_call): Add.
9912
9913         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
9914         for A24 to PSImode.
9915         (m32c_address_cost): Detail costs for indirect offsets.
9916
9917 2008-05-23  Rafael Espindola  <espindola@google.com>
9918
9919         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
9920         if a node is a SUBREG.
9921         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
9922         is a SUBREG.
9923
9924 2008-05-23  Paul Brook  <paul@codesourcery.com>
9925             Carlos O'Donell  <carlos@codesourcery.com>
9926
9927         * doc/extend.texi: Clarify use of __attribute__((naked)).
9928         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
9929         * target.h (gcc_target): Add allocate_stack_slots_for_args.
9930         * function.c (use_register_for_decl): Use
9931         targetm.calls.allocate_stack_slots_for_args.
9932         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
9933         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
9934         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
9935
9936 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
9937
9938         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
9939
9940 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
9941
9942         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
9943         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
9944         is only rounded once.
9945
9946 2008-05-23  Richard Guenther  <rguenther@suse.de>
9947
9948         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
9949
9950 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
9951             Jakub Jelinek  <jakub@redhat.com>
9952
9953         PR target/36079
9954         * configure.ac: Handle --enable-cld.
9955         * configure: Regenerated.
9956         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
9957         * config/i386/i386.h (struct machine_function): Add needs_cld field.
9958         (ix86_current_function_needs_cld): New define.
9959         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
9960         (cld): New isns pattern.
9961         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
9962         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
9963         * config/i386/i386.opt (mcld): New option.
9964         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
9965         TARGET_CLD and ix86_current_function_needs_cld.
9966         (override_options): Use -mcld by default for 32-bit code if
9967         USE_IX86_CLD.
9968
9969         * doc/install.texi (Options specification): Document --enable-cld.
9970         * doc/invoke.texi (Machine Dependent Options)
9971         [i386 and x86-64 Options]: Add -mcld option.
9972         (Intel 386 and AMD x86-64 Options): Document -mcld option.
9973
9974 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
9975         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
9976         (return_in_memory_64): Likewise.
9977         (return_in_memory_ms_64): Likewise.
9978
9979 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9980
9981         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
9982         * builtins.c (fold_builtin_fpclassify): New.
9983         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
9984         * builtins.def (BUILT_IN_FPCLASSIFY): New.
9985         * c-common.c (handle_type_generic_attribute): Adjust to accept
9986         fixed arguments before an elipsis.
9987         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
9988         * doc/extend.texi: Document __builtin_fpclassify.
9989
9990 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
9991
9992         * omp-low.c (gate_expand_omp_ssa): Remove.
9993         (pass_expand_omp_ssa): Remove.
9994         (gate_expand_omp): Do not check for flag_openmp_ssa.
9995         * common.opt (-fopenmp-ssa): Remove.
9996         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
9997
9998 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
9999
10000         * config/sh/sh.opt (mfixed-range): New option.
10001         * config/sh/sh-protos.h (sh_fix_range): Declare.
10002         * config/sh/sh.c (sh_fix_range): New function.
10003         * config/sh/sh.h (sh_fixed_range_str): Declare.
10004         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
10005         is not empty.
10006         * doc/invoke.texi (SH Options): Document -mfixed-range.
10007
10008 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
10009
10010         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
10011         it before the redeclaration.
10012
10013 2008-05-22  Anatoly Sokolov <aesok@post.ru>
10014
10015         * config/avr/avr.c (get_sequence_length): Add new function.
10016         (expand_prologue, expand_epilogue): Remove duplicate code.
10017
10018 2008-05-22  Rafael Espindola  <espindola@google.com>
10019
10020         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
10021         sharing.
10022
10023 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
10024
10025         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
10026         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
10027
10028         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
10029         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
10030         (vect_update_misalignment_for_peel): Likewise.
10031         (vector_alignment_reachable_p): Likewise.
10032         * tree-vect-transform.c (vectorizable_load): Likewise.
10033         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
10034         (get_vectype_for_scalar_type): Pass mode of scalar_type
10035         to UNITS_PER_SIMD_WORD.
10036
10037         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
10038         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
10039         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
10040         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
10041         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
10042
10043 2008-05-22  Ira Rosen  <irar@il.ibm.com>
10044
10045         PR tree-optimization/36293
10046         * tree-vect-transform.c (vect_transform_strided_load): Don't check
10047         if the first load must be skipped because of a gap.
10048
10049 2008-05-22  Richard Guenther  <rguenther@suse.de>
10050
10051         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
10052         more cases of offset disambiguation that is possible if
10053         strict-aliasing rules apply.
10054         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
10055         for basic offset and type-based disambiguation.
10056
10057 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10058
10059         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
10060         ix86_expand_vector_set on V16QImode for SSE4.1.
10061
10062 2008-05-21  Tom Tromey  <tromey@redhat.com>
10063
10064         * c.opt (Wimport): Mark as undocumented.
10065         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
10066         -Wno-import.
10067         (Warning Options): Likewise.
10068         * doc/cppopts.texi: Don't mention -Wimport.
10069
10070 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
10071
10072         PR tree-optimization/36287
10073         PR tree-optimization/36286
10074         * lambda-code.c (build_access_matrix): Do not use the loop->num
10075         for computing the number of induction variables: use the loop depth
10076         instead.
10077
10078 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
10079
10080         PR/36280
10081         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
10082         option -f(no-)leading-underscore.
10083
10084 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10085
10086         * config/i386/i386.c (ix86_expand_vector_init_general): Use
10087         GET_MODE_NUNITS (mode).
10088
10089 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
10090
10091         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
10092         (-mmulhw): Add 464 to description.
10093         (-mdlmzb): Likewise.
10094         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
10095         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
10096         464fp entries.
10097         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
10098         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
10099         * config/rs6000/rs6000.md: Update comments for 464.
10100
10101 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
10102
10103         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
10104
10105 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10106
10107         * config/i386/sse.md (vec_extractv4sf): Removed.
10108         (vec_extractv2df): Likewise.
10109         (vec_extractv2di): Likewise.
10110         (vec_extractv4si): Likewise.
10111         (vec_extractv8hi): Likewise.
10112         (vec_extractv16qi): Likewise.
10113         (vec_extract<mode>): New.
10114
10115 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10116
10117         * config/i386/sse.md (vec_setv4sf): Removed.
10118         (vec_setv2df): Likewise.
10119         (vec_setv2di): Likewise.
10120         (vec_setv4si): Likewise.
10121         (vec_setv8hi): Likewise.
10122         (vec_setv16qi): Likewise.
10123         (vec_set<mode>): New.
10124
10125 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10126
10127         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
10128         goto for vec_concat and vec_interleave.
10129
10130 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10131
10132         * config/i386/sse.md (vec_initv4sf): Removed.
10133         (vec_initv2df): Likewise.
10134         (vec_initv2di): Likewise.
10135         (vec_initv4si): Likewise.
10136         (vec_initv8hi): Likewise.
10137         (vec_initv16qi): Likewise.
10138         (vec_init<mode>): New.
10139
10140 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
10141
10142         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
10143
10144 2008-05-21  Tom Tromey  <tromey@redhat.com>
10145
10146         * ggc-zone.c (lookup_page_table_if_allocated): New function.
10147         (zone_find_object_offset): Likewise.
10148         (gt_ggc_m_S): Likewise.
10149         (highest_bit): Likewise.
10150         * ggc-page.c (gt_ggc_m_S): New function.
10151         * stringpool.c (string_stack): Remove.
10152         (init_stringpool): Update.
10153         (ggc_alloc_string): Use ggc_alloc.
10154         (maybe_delete_ident): New function.
10155         (ggc_purge_stringpool): Likewise.
10156         (gt_ggc_m_S): Remove.
10157         * ggc-common.c (ggc_protect_identifiers): New global.
10158         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
10159         ggc_protect_identifiers.
10160         * ggc.h (ggc_protect_identifiers): Declare.
10161         (gt_ggc_m_S): Update.
10162         (ggc_purge_stringpool): Declare.
10163         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
10164         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
10165         special case.
10166         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
10167
10168 2008-05-21  David S. Miller  <davem@davemloft.net>
10169
10170         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
10171         tmake_file.
10172
10173 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
10174
10175         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
10176         once finished.
10177
10178 2008-05-20  David Daney  <ddaney@avtrex.com>
10179
10180         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
10181         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
10182         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
10183         UNSPEC_UPDATE_GOT_VERSION): Renumber.
10184         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
10185         (atomic_hiqi_op): New define_code_iterator.
10186         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
10187         mips_expand_compare_and_swap_12.
10188         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
10189         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
10190         (sync_<optab><mode>, sync_old_<optab><mode>,
10191         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
10192         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
10193         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
10194         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
10195         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
10196         (test_and_set_12): New insn.
10197         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
10198         sync_new_<optab><mode>, sync_old_nand<mode>,
10199         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
10200         clobber to operand 0 for SI and DI mode insns.
10201         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
10202         mips_gen_fn_4): New typedefs.
10203         (mips_gen_fn_ptrs): Define new union type.
10204         (mips_expand_compare_and_swap_12): Remove declaration.
10205         (mips_expand_atomic_qihi): Declare function.
10206         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
10207         (mips_expand_atomic_qihi): ... this.  Use new generator function
10208         parameter.
10209         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
10210         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
10211         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
10212         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
10213         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
10214         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
10215         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
10216         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
10217         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
10218         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
10219         New macros.
10220
10221 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
10222
10223         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
10224         the missing break.
10225
10226 2008-05-20  Anatoly Sokolov <aesok@post.ru>
10227
10228         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
10229         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
10230         (avr_attribute_table): Add 'OS_main' function attribute.
10231         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
10232         functions with 'OS_main' attribute.
10233
10234 2008-05-20  Richard Guenther  <rguenther@suse.de>
10235
10236         PR tree-optimization/35204
10237         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
10238         helper, split out from ...
10239         (DFS): ... here.  Make the DFS walk non-recursive.
10240
10241 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
10242             Jan Sjodin  <jan.sjodin@amd.com>
10243
10244         PR tree-optimization/36181
10245         * tree-parloops.c (loop_has_vector_phi_nodes): New.
10246         (parallelize_loops): Don't parallelize when the loop has vector
10247         phi nodes.
10248
10249 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10250             Sebastian Pop  <sebastian.pop@amd.com>
10251
10252         * tree-loop-linear.c (gather_interchange_stats): Look in the access
10253         matrix, and never look at the tree representation of the memory
10254         accesses.
10255         (linear_transform_loops): Computes parameters and access matrices.
10256         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
10257         when fails.
10258         (access_matrix_get_index_for_parameter): New.
10259         * tree-data-ref.h (struct access_matrix): New.
10260         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
10261         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
10262         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
10263         am_vector_index_for_loop): New.
10264         (struct data_reference): Add field access_matrix.
10265         (DR_ACCESS_MATRIX): New.
10266         (compute_data_dependences_for_loop): Update declaration.
10267         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
10268         * lambda.h (lambda_vector_vec_p): Declared.
10269         * lambda-code.c: Depend on pointer-set.h.
10270         (lambda_collect_parameters_from_af, lambda_collect_parameters,
10271         av_for_af_base, av_for_af, build_access_matrix,
10272         lambda_compute_access_matrices): New.
10273         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
10274
10275 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
10276
10277         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
10278         $SOURCEDIR/include.
10279
10280 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10281             Sebastian Pop  <sebastian.pop@amd.com>
10282
10283         PR tree-optimization/36206
10284         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
10285         FOLD_CONVERSIONS.
10286         (instantiate_scev_1): Rename flags to fold_conversions.
10287         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
10288         outeside instantiation_loop.
10289         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
10290         (evolution_function_is_affine_or_constant_p): Removed.
10291         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
10292         instantiate_scev.
10293         (analyze_siv_subscript): Pass in the loop nest number.
10294         Call evolution_function_is_affine_in_loop instead of
10295         evolution_function_is_affine_p.
10296         (analyze_overlapping_iterations): Pass in the loop nest number.
10297
10298 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10299             Sebastian Pop  <sebastian.pop@amd.com>
10300
10301         PR tree-optimization/36206
10302         * tree-chrec.h (chrec_fold_op): New.
10303         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
10304         and other trees.
10305
10306 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
10307
10308         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
10309         (DIRS_EQ): New.
10310         (remove_duplicates): Do not set inode on non-inode systems.
10311         Use DIRS_EQ.
10312
10313 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
10314
10315         * config.gcc (tm_file): Update comments about relative pathnames.
10316
10317 2008-05-20  Richard Guenther  <rguenther@suse.de>
10318
10319         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
10320         * tree-ssa-sccvn.c (process_scc): Likewise.
10321         * tree-ssa-sink.c (execute_sink_code): Likewise.
10322         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
10323         * tree-vrp.c (process_assert_insertions): Likewise.
10324         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
10325         (perform_tree_ssa_dce): Likewise.
10326         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
10327         (dump_dominator_optimization_stats): Likewise.
10328         * tree-vectorizer.c (vectorize_loops): Likewise.
10329
10330 2008-05-20  Richard Guenther  <rguenther@suse.de>
10331
10332         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
10333
10334 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
10335
10336         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
10337         (ix86_i386elf_return_in_memory): Likewise.
10338         (ix86_i386interix_return_in_memory): Likewise.
10339         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
10340         (SUBTARGET_RETURN_IN_MEMORY): New.
10341         * config/i386/i386elf.h: Likewise.
10342         * config/i386/ptx4-i.h: Likewise.
10343         * config/i386/sol2-10.h: Likewise.
10344         * config/i386/sysv4.h: Likewise.
10345         * config/i386/vx-common.h: Likewise.
10346         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
10347         * config/i386/i386.c (ix86_return_in_memory): Made static and
10348         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
10349         (ix86_i386elf_return_in_memory): Removed.
10350         (ix86_i386interix_return_in_memory): Removed.
10351         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
10352         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
10353
10354 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
10355
10356         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
10357
10358 2008-05-19  Xinliang David Li  <davidxl@google.com>
10359
10360         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
10361         * opts.c: Ditto.
10362         * common.opt: Ditto.
10363         * doc/invoke.texi: Ditto.
10364
10365 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
10366
10367         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
10368         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
10369
10370 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10371
10372         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
10373         sizes of operand array from 8/4 to 4/2.
10374         (ix86_expand_vector_init_general): Change size of operand array
10375         from 32 to 16.  Remove op0, op1 and half_mode.
10376
10377 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10378
10379         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
10380         (ix86_expand_vector_init_interleave): Likewise.
10381         (ix86_expand_vector_init_general): Use them.  Assert
10382         word_mode == SImode when n_words == 4.
10383
10384 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
10385
10386         * config/i386/i386.c (ix86_secondary_reload): New static function.
10387         (TARGET_SECONDARY_RELOAD): New define.
10388         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
10389         * config/i386/i386.md (reload_outqi): Remove.
10390
10391 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10392
10393         PR middle-end/35509
10394         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
10395         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
10396         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
10397         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
10398         (fold_builtin_1): Likewise.
10399         * builtins.def (BUILT_IN_ISINF_SIGN): New.
10400         c-common.c (check_builtin_function_arguments): Handle
10401         BUILT_IN_ISINF_SIGN.
10402         * doc/extend.texi: Document __builtin_isinf_sign.
10403         * fold-const.c (operand_equal_p): Handle COND_EXPR.
10404
10405 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
10406
10407         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
10408         EH cleanup at the end of the pass, search for those that have been
10409         turned into forwarder blocks and do the cleanup on their successor.
10410
10411 2008-05-18  Richard Guenther  <rguenther@suse.de>
10412
10413         * tree-cfg.c (verify_gimple_expr): Allow conversions from
10414         pointers to sizetype and vice versa.
10415
10416 2008-05-18 Xinliang David Li   <davidxl@google.com>
10417
10418         * gcc/tree-ssa-dce.c: Coding style fix.
10419         (check_pow): Documentation comment.
10420         (check_log): Documenation comment. Coding style fix.
10421         (is_unnecessary_except_errno_call): Ditto.
10422         (gen_conditions_for_pow): Ditto.
10423         (gen_conditions_for_log): Ditto.
10424         (gen_shrink_wrap_conditions): Ditto.
10425         (shrink_wrap_one_built_in_calls): Ditto.
10426         * gcc/doc/invoke.texi: Better documentation string.
10427         * ChangeLog: Fix wrong change log entries from
10428         May 17 checkin on function call DCE.
10429
10430 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
10431
10432         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
10433
10434 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
10435
10436         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
10437         * df-problems.c (simulation routines): Fixed block comment to
10438         properly say how to add forwards scanning functions.
10439
10440 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
10441
10442         * tree-inline.c (setup_one_parameter): Remove dead code.
10443
10444 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
10445
10446         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
10447         a BIT_AND_EXPR only for an INTEGER_TYPE.
10448
10449 2008-05-17 Xinliang David Li   <davidxl@google.com>
10450
10451         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
10452         (check_pow, check_log, is_unnecessary_except_errno_call): New
10453         functions to check for eliminating math functions that are pure
10454         except for setting errno.
10455         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
10456         general condition expressions for shrink-wrapping pow/log calls.
10457         (gen_shrink_wrap_conditions): Ditto.
10458         (shrink_wrap_one_built_in_call): Ditto.
10459         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
10460         (mark_operand_necessary): If debugging, output if OP is necessary.
10461         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
10462         unnecessary.
10463         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
10464         opt level >= 2.
10465         * gcc/common.opt: New user flag -ftree-builtin-dce.
10466         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
10467
10468 2008-05-16  David S. Miller  <davem@davemloft.net>
10469
10470         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
10471         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
10472
10473 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
10474
10475         PR target/36246
10476         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
10477
10478 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10479
10480         * ifcvt.c (dead_or_predicable): Rename
10481         df_simulate_one_insn_backwards to df_simulate_one_insn.
10482         * recog.c (peephole2_optimize): Ditto.
10483         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
10484         Ditto.
10485         * df.h: Rename df_simulate_one_insn_backwards to
10486         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
10487         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
10488         scanning of defs and uses.
10489         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
10490         (df_simulate_one_insn_forwards): Removed.
10491
10492 2008-05-16  Doug Kwan  <dougkwan@google.com>
10493
10494         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
10495         QNaN & SNaN.
10496         (real_from_string): Handle NaNs and Inf as approriate.
10497
10498 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
10499
10500         * doc/gty.texi (Source Files Containing Type Information): Note
10501         that headers should appear first in the gtfiles list.
10502
10503 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10504
10505         * tree.def (COND_EXEC): Properly documented this code.
10506
10507 2008-05-16  Diego Novillo  <dnovillo@google.com>
10508
10509         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
10510         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
10511         the new field.
10512
10513 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10514
10515         * tree-ssa-dse (max_stmt_uid): Removed.
10516         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
10517         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
10518         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
10519         * function.h (cfun.last_stmt_uid): New field.
10520         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
10521         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
10522         New functions.
10523         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
10524         (create_stmt_ann): Initialize the ann->uid field.
10525         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
10526         with new calls.
10527         * tree-flow.h (renumber_gimple_stmt_uids): New function.
10528
10529 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
10530
10531         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
10532         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
10533         (init_empty_tree_cfg): Call it.
10534
10535 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10536
10537         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
10538         Update all users.
10539
10540 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10541
10542         * doc/invoke.text (-fdump-tree-*-verbose): New option.
10543         * tree-dump.c (dump_options): New verbose option.
10544         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
10545         Add verbose dump.
10546         * tree-pass.h (TDF_VERBOSE): New dump flag.
10547         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
10548         (tree-flow.h): Added include.
10549         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
10550
10551 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
10552
10553         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
10554
10555         From Jie Zhang  <jie.zhang@analog.com>
10556         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10557         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
10558         mcpu=bf561-none and mcpu=bf561-0.2.
10559         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10560         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
10561         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10562         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
10563         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
10564         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
10565         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
10566         option.
10567         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
10568         (cputype_selected): Remove.
10569         (bfin_handle_option): Don't use cputype_selected.
10570         (override_options): When no mcpu option, enable all workarounds.
10571         Don't use bfin_workarounds.
10572         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
10573         processor type.
10574         (DEFAULT_CPU_TYPE): Don't define.
10575
10576 2008-05-16  Richard Guenther  <rguenther@suse.de>
10577
10578         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
10579         on deletion of the last stmt.
10580
10581 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
10582
10583         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
10584         V8HImode for SSE2 and V16QImode for SSE4.1.
10585
10586 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
10587
10588         * cgraph.h (compute_inline_parameters): Made public.
10589         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
10590         variable_generate_summary, function_write_summary,
10591         variable_write_summary, variable_read_summary.  Added generate_summary,
10592         write_summary, read_summary.
10593         * cgraphunit.c (cgraph_process_new_functions): Changed call from
10594         pass_ipa_inline.function_generate_summary, to
10595         compute_inline_parameters.
10596         * ipa-inline.c (compute_inline_parameters): Made public and added
10597         node parameter.
10598         (compute_inline_parameters_for_current): New function.
10599         (pass_inline_param): Now calls compute_inline_parameters_for_current.
10600         (inline_generate_summary): Removed parameter and made to loop over
10601         all cgraph nodes.
10602         (pass_ipa_inline): Updated for new IPA_PASS structure.
10603         * passes.c (execute_ipa_summary_passes): Now is called once per
10604         pass rather than once per node*pass.
10605
10606 2008-05-15  Anatoly Sokolov <aesok@post.ru>
10607
10608         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
10609         avr_have_mul_p, avr_asm_only_p): Remove variables.
10610         (avr_override_options): Remove initialization of removed variables.
10611         (avr_file_start):  Convert removed variables to fields of
10612         'struct base_arch_s *avr_current_arch'.
10613         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
10614         (AVR_HAVE_MUL): (Ditto.).
10615         (AVR_HAVE_MOVW): (Ditto.).
10616         (AVR_HAVE_LPMX): (Ditto.).
10617         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
10618         avr_asm_only_p): Remove declaration.
10619
10620 2008-05-15  Diego Novillo  <dnovillo@google.com>
10621
10622         * config/arm/arm.c (arm_return_in_memory): Fix return type.
10623         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
10624
10625 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
10626
10627         PR middle-end/36194
10628         * combine.c (check_conversion): Rename back to check_promoted_subreg.
10629         Don't call record_truncated_value from here.
10630         (record_truncated_value): Turn it into a for_each_rtx callback.
10631         (record_truncated_values): New function.
10632         (combine_instructions): Call note_uses with record_truncated_values.
10633         Change name of check_conversion to check_promoted_subreg.
10634
10635 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
10636
10637         * doc/sourcebuild.texi: Document support for torture tests.
10638
10639 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
10640
10641         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
10642         to alternative 4 of operand 2.
10643
10644 2008-05-15  Richard Guenther  <rguenther@suse.de>
10645
10646         * tree-pass.h (current_pass): Declare.
10647         (get_pass_for_id): Likewise.
10648         * passes.c (passes_by_id, passes_by_id_size): New globals.
10649         (set_pass_for_id): New function.
10650         (get_pass_for_id): Likewise.
10651         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
10652         (execute_function_todo): Flush per function statistics.
10653         * toplev.c (compile_file): Init statistics.
10654         (general_init): Do early statistics initialization.
10655         (finalize): Finish statistics.
10656         * statistics.h (statistics_early_init): Declare.
10657         (statistics_init): Likewise.
10658         (statistics_fini): Likewise.
10659         (statistics_fini_pass): Likewise.
10660         (statistics_counter_event): Likewise.
10661         (statistics_histogram_event): Likewise.
10662         * statistics.c: New file.
10663         * Makefile.in (OBJS-common): Add statistics.o.
10664         (statistics.o): Add dependencies.
10665         * doc/invoke.texi (-fdump-statistics): Document.
10666
10667         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
10668         (insert): Likewise.
10669         (execute_pre): Use statistics_counter_event.
10670         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
10671         (substitute_and_fold): Increment it.  Use statistics_counter_event.
10672
10673 2008-05-15  Diego Novillo  <dnovillo@google.com>
10674
10675         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
10676
10677         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
10678         * tree-ssa-alias.c (new_type_alias): Remove references to
10679         sub-variables from comment.
10680         * tree-ssa-operands.c (swap_tree_operands): Likewise.
10681
10682 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
10683
10684         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
10685         attribute to 1 only for insertps alternative.
10686
10687 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
10688
10689         * config/bfin/bfin.md (loadbytes): New pattern.
10690         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
10691         (bfin_init_builtins): Initialize it.
10692         (bdesc_1arg): Add it.
10693
10694 2008-05-15  Sa Liu  <saliu@de.ibm.com>
10695
10696         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
10697         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
10698         * testsuite/lib/target-supports.exp: Add
10699         check_effective_target_fortran_integer_16.
10700
10701 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
10702
10703         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
10704         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
10705         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
10706         (TARGET_RETURN_IN_MEMORY): Define.
10707
10708 2008-05-15  Richard Guenther  <rguenther@suse.de>
10709
10710         PR middle-end/36244
10711         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
10712         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
10713         represent unmodifiable vars.
10714
10715 2008-05-15  Richard Guenther  <rguenther@suse.de>
10716
10717         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
10718         INDIRECT_REF and TARGET_MEM_REF.
10719         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
10720         TARGET_MEM_REF.
10721
10722 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
10723             H.J. Lu  <hongjiu.lu@intel.com>
10724
10725         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
10726         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
10727         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
10728         insn alternatives.  Add missing alternatives.
10729         (*vec_concatv2di_rex64_sse4_1): Likewise.
10730         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
10731         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
10732         Require TARGET_SSE.
10733
10734 2008-05-15  Richard Guenther  <rguenther@suse.de>
10735
10736         PR tree-optimization/36009
10737         PR tree-optimization/36204
10738         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
10739         (determine_invariantness_stmt): Record the loop a store is
10740         always executed in.
10741         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
10742         dependency.
10743
10744 2008-05-15  Richard Guenther  <rguenther@suse.de>
10745
10746         PR tree-optimization/34330
10747         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
10748         through the pointer will alias the SMT.
10749
10750 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
10751
10752         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
10753
10754 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
10755
10756         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
10757
10758 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
10759             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
10760
10761         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
10762         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
10763         (vashl_optab): New optab for vector/vector shifts.
10764         (vashr_optab): Ditto.
10765         (vlshr_optab): Ditto.
10766         (vrotl_optab): Ditto.
10767         (vrotr_optab): Ditto.
10768         (optab_subtype): New enum for optab_for_tree_code call.
10769         (optab_for_tree_code): Add enum optab_subtype argument.
10770
10771         * optabs.c (optab_for_tree_code): Take an additional argument to
10772         distinguish between a vector shift by a scalar and vector shift by
10773         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
10774         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
10775         vector shift by a vector.
10776         (expand_widen_pattern_expr): Pass additional argument to
10777         optab_for_tree_code.
10778
10779         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
10780         vrotl_optab, vrotr_optab.
10781
10782         * expr.c (expand_expr_real_1): Update calls to
10783         optab_for_tree_code to distinguish between vector shifted by a
10784         scalar and vector shifted by a vector.
10785         * tree-vectorizer.c (supportable_widening_operation): Ditto.
10786         (supportable_narrowing_operation): Ditto.
10787         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
10788         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
10789         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
10790         (vect_create_epilog_for_reduction): Ditto.
10791         (vectorizable_reduction): Ditto.
10792         (vectorizable_operation): Ditto.
10793         (vect_strided_store_supported): Ditto.
10794         (vect_strided_load_supported): Ditto.
10795         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
10796         * expmed.c (expand_shift): Ditto.
10797
10798         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
10799         scalar type.
10800         (ashr@var{m}3): Ditto.
10801         (vashl@var{m}3): Document new vector/vector shift standard name.
10802         (vashr@var{m}3): Ditto.
10803         (vlshr@var{m}3): Ditto.
10804         (vrotl@var{m}3): Ditto.
10805         (vrotr@var{m}3): Ditto.
10806
10807         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
10808         (PPERM_INVERT): Ditto.
10809         (PPERM_REVERSE): Ditto.
10810         (PPERM_REV_INV): Ditto.
10811         (PPERM_ZERO): Ditto.
10812         (PPERM_ONES): Ditto.
10813         (PPERM_SIGN): Ditto.
10814         (PPERM_INV_SIGN): Ditto.
10815         (PPERM_SRC1): Ditto.
10816         (PPERM_SRC2): Ditto.
10817
10818         * config/i386/sse.md (mulv2di3): Add SSE5 support.
10819         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
10820         allows a memory operand to be the value being added, and split it
10821         to improve vectorization.
10822         (sse5_pmacsdqh_mem): Ditto.
10823         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
10824         (sse5_mulv2div2di3_high): Ditto.
10825         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
10826         (vec_pack_trunc_v4si): Ditto.
10827         (vec_pack_trunc_v2di): Ditto.
10828         (sse5_pcmov_<mode>): Remove code that tried to use use
10829         andps/andnps instead of pcmov.
10830         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
10831         pmacsdqh instructions.
10832         (vec_widen_smult_lo_v4si): Ditto.
10833
10834         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
10835         (PPERM_INVERT): Ditto.
10836         (PPERM_REVERSE): Ditto.
10837         (PPERM_REV_INV): Ditto.
10838         (PPERM_ZERO): Ditto.
10839         (PPERM_ONES): Ditto.
10840         (PPERM_SIGN): Ditto.
10841         (PPERM_INV_SIGN): Ditto.
10842         (PPERM_SRC1): Ditto.
10843         (PPERM_SRC2): Ditto.
10844         (ix86_expand_sse_movcc): Move the SSE5 test after the if
10845         true/false tests.
10846         (ix86_expand_int_vcond): If SSE5 generate all possible integer
10847         comparisons.
10848         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
10849         says ignore whether the last reference is a memory operand.
10850
10851 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
10852             Paolo Bonzini <bonzini at gnu dot org>
10853
10854         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
10855         shift patterns.
10856
10857         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
10858         (vlshr<mode>3): Rename from vlshr<mode>3.
10859         (vashr<mode>3): Rename from vashr<mode>3.
10860         (mulv4sf3): Change the names of vector shift patterns.
10861         (mulv4si3): Ditto.
10862         (negv4sf2): Ditt.
10863
10864         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
10865         shift insns.
10866
10867         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
10868         (SI_SHLHI): Ditto.
10869         (SI_SHL): Ditto.
10870         (SI_SHLI): Ditto.
10871         (SI_ROTH): Ditto.
10872         (SI_ROTHI): Ditto.
10873         (SI_ROT): Ditto.
10874         (SI_ROTI): Ditto.
10875         (SPU_RL_0): Ditto.
10876         (SPU_RL_1): Ditto.
10877         (SPU_RL_2): Ditto.
10878         (SPU_RL_3): Ditto.
10879         (SPU_RL_4): Ditto.
10880         (SPU_RL_5): Ditto.
10881         (SPU_RL_6): Ditto.
10882         (SPU_RL_7): Ditto.
10883         (SPU_SL_0): Ditto.
10884         (SPU_SL_1): Ditto.
10885         (SPU_SL_2): Ditto.
10886         (SPU_SL_3): Ditto.
10887         (SPU_SL_4): Ditto.
10888         (SPU_SL_5): Ditto.
10889         (SPU_SL_6): Ditto.
10890         (SPU_SL_7): Ditto.
10891
10892         * config/spu/spu.md (v): New iterator macro to add v for vector types.
10893         (floatunssidf2_internal): Change vector/vector shift names.
10894         (floatunsdidf2_internal): Ditto.
10895         (mulv8hi3): Ditto.
10896         (ashrdi3): Ditto.
10897         (ashrti3): Ditto.
10898         (cgt_df): Ditto.
10899         (cgt_v2df): Ditto.
10900         (dftsv): Ditto.
10901         (vashl<mode>3): Rename from ashl<mode>3.
10902         (vashr<mode>3): Rename from ashr<mode>3.
10903         (vlshr<mode>3): Rename from lshr<mode>3.
10904         (vrotl<mode>3): Rename from rotl<mode>3.
10905
10906 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
10907
10908         PR target/36224
10909         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
10910         multiply gives the wrong value when doing widening multiplies.
10911         (vec_widen_smult_lo_v4si): Ditto.
10912
10913 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
10914
10915         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
10916         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
10917         emit_library_call_value.
10918         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
10919         * tree.h (ECF_LIBCALL_BLOCK): Removed.
10920         * calls.c (initialize_argument_information, precompute_arguments,
10921         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
10922         (precompute_arguments): Removed flags parameter.
10923         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
10924
10925 2008-05-14  Richard Guenther  <rguenther@suse.de>
10926
10927         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
10928         Make sure to register the store if the use is a PHI_NODE.
10929
10930 2008-05-14  Olivier Hainque  <hainque@adacore.com>
10931
10932         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
10933         memory if the component is to be referenced in BLKmode according
10934         to get_inner_reference.
10935
10936 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
10937
10938         * calls.c (emit_library_call_value_1): Restore code clearing
10939         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
10940
10941 2008-05-14  Olivier Hainque  <hainque@adacore.com>
10942             Nicolas Roche  <roche@adacore.com>
10943
10944         * configure.ac: Add support for a "gcc_subdir" variable in
10945         config-lang.in, to denote a subdirectory where the language/GCC
10946         integration files are to be found.
10947         * configure: Regenerate.
10948
10949 2008-05-14  Ira Rosen  <irar@il.ibm.com>
10950
10951         PR tree-optimization/36098
10952         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
10953         value for the first load in the group in case of a gap.
10954         (vect_build_slp_tree): Check that there are no gaps in loads.
10955
10956 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
10957
10958         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
10959         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
10960         expand_copysign_bit, ): Change call to emit_no_conflict_block to
10961         emit_insn and remove unneeded code to construct extra args.
10962         (emit_no_conflict_block): Removed.
10963         * optabls.h: (emit_no_conflict_block): Removed.
10964         * cse.c (cse_extended_basic_block): Remove search for
10965         REG_NO_CONFLICT note.
10966         * global.c: Removed incorrect comment added in revision 117.
10967         * expr.c (convert_move): Change call to emit_no_conflict_block to
10968         emit_insn.
10969         * recog.c: Change comments so that they do not mention
10970         REG_NO_CONFLICT.
10971         * local_alloc.c (combine_regs): Removed last parameter.
10972         (no_conflict_p): Removed.
10973         (block_alloc): Removed note, no_conflict_combined_regno and set
10974         local vars. Removed all code to process REG_NO_CONFLICT blocks.
10975         (combine_regs): Removed already_dead and code to look for
10976         REG_NO_CONFLICT notes.
10977         * lower_subreg (remove_retval_note): Removed code to look for
10978         REG_NO_CONFLICT block.
10979         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
10980         (resolve_clobber): Remove code to process libcalls that have
10981         REG_NO_CONFLICT notes.
10982         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
10983         case.
10984         * combine.c (can_combine_p, distribute_notes):  Removed
10985         REG_NO_CONFLICT case.
10986         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
10987         to emit_insns.
10988         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
10989         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
10990         Ditto.
10991         * reg-notes.def (NO_CONFLICT): Removed.
10992
10993 2008-05-14  David S. Miller  <davem@davemloft.net>
10994
10995         * config/sparc/sparc.c (sparc_profile_hook): If
10996         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
10997         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
10998         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
10999
11000 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11001
11002         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
11003
11004 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
11005
11006         PR target/36222
11007         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
11008         and op1 expansion before vector concat to have less live pseudos.
11009
11010 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
11011
11012         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
11013         ix86_expand_vector_set if supported.
11014
11015 2008-05-13  Diego Novillo  <dnovillo@google.com>
11016             Kenneth Zadeck  <zadeck@naturalbridge.com>
11017
11018         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
11019
11020         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
11021         phinodes_print_statistics, init_ssanames, fini_ssanames,
11022         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
11023         release_ssa_name, release_defs, replace_ssa_name_symbol,
11024         ssanames_print_statistics): Move ...
11025         * tree-flow.h: ... here.
11026         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
11027         Use FN instead of cfun.
11028         (make_ssa_name_fn): Rename from make_ssa_name.
11029         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
11030         * tree-flow-inline.h (make_ssa_name): Move from
11031         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
11032         * omp-low.c (expand_omp_parallel):
11033         * tree-flow-inline.h (redirect_edge_var_map_result):
11034         * tree-ssa.c (init_tree_ssa): Add argument FN.
11035         Use it instead of cfun.  Update all users.
11036
11037 2008-05-13  Tom Tromey  <tromey@redhat.com>
11038
11039         PR preprocessor/22168:
11040         * doc/cpp.texi (Top): Update menu.
11041         (Alternatives to Wrapper #ifndef): New node.
11042         (Other Directives): Document deprecation.
11043         (Obsolete Features): Remove menu.
11044         (Assertions): Merge node into Obsolete Features.
11045         (Obsolete once-only headers): Move earlier; rename to Alternatives
11046         to Wrapper #ifndef.
11047         * doc/cppopts.texi: Update.
11048         * c.opt (Wdeprecated): Enable for C and ObjC.
11049         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
11050         (C++ Dialect Options): Move -Wno-deprecated from here to...
11051         (Warning Options): ... here.
11052
11053 2008-05-13  Richard Guenther  <rguenther@suse.de>
11054
11055         PR middle-end/36227
11056         * fold-const.c (fold_sign_changed_comparison): Do not allow
11057         changes in pointer-ness.
11058
11059 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11060
11061         PR target/24713
11062         * config/sh/sh.c (sh_expand_prologue): Don't clear
11063         RTX_FRAME_RELATED_P for push insns.
11064
11065 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
11066
11067         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
11068
11069 2008-05-12  Anatoly Sokolov <aesok@post.ru>
11070
11071         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
11072         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
11073         Use 'machine->is_leaf' instead of 'leaf_func_p'.
11074
11075 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
11076
11077         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
11078         (*vec_concatv4sf_sse): This.
11079         (*sse2_concatv2si): Renamed to ...
11080         (*vec_concatv2si_sse2): This.
11081         (*sse1_concatv2si): Renamed to ...
11082         (*vec_concatv2si_sse): This.
11083         (*vec_concatv2di_rex): Renamed to ...
11084         (*vec_concatv2di_rex64): This.
11085         (*vec_concatv2si_sse4_1): New.
11086         (*vec_concatv2di_rex64_sse4_1): Likewise.
11087
11088 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
11089
11090         PR rtl-optimization/36111
11091         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
11092         that was created for swappable operands.
11093
11094 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
11095
11096         PR ada/36001
11097         * Makefile.in: Substitute GNATMAKE and GNATBIND.
11098         * configure.ac: Add call to ACX_PROG_GNAT.
11099
11100 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
11101
11102         * optc-gen.awk: Fix comment typo.
11103
11104 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
11105
11106         * pretty-print.c (pp_integer_with_precision): Use
11107         HOST_LONG_LONG_FORMAT.
11108
11109 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
11110
11111         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
11112
11113 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
11114
11115         * config/i386/i386.c (bdesc_ptest): Removed.
11116         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
11117         (bdesc_args): Add __builtin_ia32_ptestz128,
11118         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
11119         (ix86_init_mmx_sse_builtins): Updated.
11120         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
11121         (ix86_expand_builtin): Updated.
11122
11123 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
11124
11125         * tree-cfg.c (valid_fixed_convert_types_p): New function.
11126         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
11127
11128 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
11129
11130         * value-prof.c (interesting_stringop_to_profile): Do not
11131         return early for BUILT_IN_MEMPCPY.
11132
11133 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
11134
11135         * calls.c (expand_call): Don't use callgraph to increase
11136         preferred_stack_boundary.
11137
11138         * cgraph.h (cgraph_rtl_info): Use unsigned on
11139         preferred_incoming_stack_boundary.
11140
11141         * final.c (rest_of_clean_state): Use unsigned on
11142         preferred_stack_boundary.
11143
11144 2008-05-09  Tom Tromey  <tromey@redhat.com>
11145
11146         PR preprocessor/22231:
11147         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
11148         proceeding.
11149
11150 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
11151
11152         PR tree-optimization/36129
11153         * tree-ssa-ccp.c: Include value-prof.h.
11154         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
11155         built-in function was folded to a constant.
11156         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
11157
11158 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
11159             Sebastian Pop  <sebastian.pop@amd.com>
11160
11161         * tree-scalar-evolution.c: Document instantiate_scev.
11162         (instantiate_parameters_1): Renamed instantiate_scev_1.
11163         Don't use the same loop for instantiation_loop and evolution_loop.
11164         (instantiate_scev): New.
11165         (instantiate_parameters): Moved...
11166         (resolve_mixers): Update call to instantiate_scev_1 to pass the
11167         same loop twice.  Maintains the semantics for this function.
11168         * tree-scalar-evolution.h (instantiate_scev): Declare.
11169         (instantiate_parameters): ...here.  Now static inline.
11170         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
11171         instead of resolve_mixers.
11172
11173 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
11174
11175         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
11176
11177 2008-05-09  Tomas Bily  <tbily@suse.cz>
11178
11179         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
11180         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
11181         * tree-ssa-structalias.c (get_constraint_for): Likewise.
11182         * c-common.c (c_common_truthvalue_conversion): Likewise.
11183         * tree-object-size.c (compute_object_offset): Likewise.
11184         * tree-inline.c (estimate_num_insns_1): Likewise.
11185         * varasm.c (const_hash_1, compare_constant, copy_constant)
11186         (compute_reloc_for_constant, output_addressed_constants)
11187         (initializer_constant_valid_p): Likewise.
11188         * c-omp.c (check_omp_for_incr_expr): Likewise.
11189         * gimplify.c (gimplify_expr): Likewise.
11190         * c-typeck.c (c_finish_return): Likewise.
11191         * tree-vectorizer.c (supportable_widening_operation)
11192         (supportable_narrowing_operation): Likewise.
11193         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
11194         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
11195         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11196         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
11197         (descr_info_loc): Likewise.
11198         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
11199         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
11200         (fold_unary): Likewise.
11201         * builtins.c (get_pointer_alignment): Likewise.
11202         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
11203         (instantiate_parameters_1): Likewise.
11204         * tree.c (expr_align, stabilize_reference): Likewise.
11205         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
11206         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
11207         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
11208         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
11209         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
11210         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
11211         Likewise.
11212         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
11213         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
11214         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
11215         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
11216         (forward_propagate_comparison)
11217         (tree_ssa_forward_propagate_single_use_vars): Likewise.
11218         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
11219         * emit-rtl.c (component_ref_for_mem_expr)
11220         (set_mem_attributes_minus_bitpos): Likewise.
11221         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
11222         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
11223         Likewise.
11224         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
11225         (build_function_call, pointer_diff, build_compound_expr)
11226         (c_finish_return): Likewise.
11227         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
11228         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
11229         Likewise.
11230         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
11231         * expr.c (is_aligning_offset): Likewise.
11232         * tree-ssa-alias.c (is_escape_site): Likewise.
11233         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
11234         (check_all_va_list_escapes): Likewise.
11235         * tree-ssa-loop-ivopts.c (determine_base_object)
11236         (determine_common_wider_type): Likewise.
11237         * dojump.c (do_jump): Likewise.
11238         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
11239         * tree-gimple.c (is_gimple_cast): Likewise.
11240         * fold-const.c (decode_field_reference, )
11241         (fold_sign_changed_comparison, fold_unary, fold_comparison)
11242         (fold_binary): Likewise.
11243         * tree-ssa-alias-warnings.c (find_alias_site_helper)
11244         (already_warned_in_frontend_p): Likewise.
11245         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
11246         * tree.c (really_constant_p, get_unwidened): Likewise.
11247         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
11248         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
11249         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
11250         Likewise.
11251         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
11252         CONVERT_EXPR_P.
11253         (CONVERT_EXPR_P): Define.
11254         (CASE_CONVERT): Define.
11255
11256 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
11257
11258         PR middle-end/36117
11259         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
11260         (delete_unmarked_insns): When deleting a call, call
11261         delete_unreachable_blocks.
11262         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
11263         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
11264
11265 2008-05-08  Richard Guenther  <rguenther@suse.de>
11266
11267         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
11268         (-ftree-salias): Likewise.
11269         (salias-max-implicit-fields): Remove param documentation.
11270         (salias-max-array-elements): Likewise.
11271         * tree-pass.h (pass_create_structure_vars): Remove.
11272         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
11273         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
11274         * tree-ssa-alias.c (create_structure_vars): Remove.
11275         (gate_structure_vars): Likewise.
11276         (pass_create_structure_vars): Likewise.
11277         (gate_build_alias): Likewise.
11278         (pass_build_alias): Adjust to run always and dump the function.
11279         * common.opt (ftree-salias): Hide.
11280         * passes.c (init_optimization_passes): Remove
11281         pass_create_structure_vars, adjust comment.
11282         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
11283         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
11284         * opts.c (decode_options): Do not set flag_tree_salias.
11285         (common_handle_option): Add OPT_ftree_salias to the backward
11286         compatibility section.
11287
11288 2008-05-08  Richard Guenther  <rguenther@suse.de>
11289
11290         * tree-flow-inline.h (var_can_have_subvars): Move ...
11291         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
11292         * tree-flow.h (var_can_have_subvars): Remove.
11293         (push_fields_onto_fieldstack): Remove.
11294         (sort_fieldstack): Likewise.
11295         (struct fieldoff): Move ...
11296         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
11297         alias_set and base_for_components fields.
11298         (sort_fieldstack): Make static.
11299         (push_fields_onto_fieldstack): Likewise.  Remove code that
11300         handles anything but RECORD_TYPEs.  Remove alias_set and
11301         base_for_components handling.
11302         (create_variable_info_for): Adjust.
11303
11304 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
11305
11306         * common.opt (Wframe-larger-than=): Shorten the help message
11307         to one line.
11308         * doc/invoke.texi (Wframe-larger-than=): Add more description.
11309
11310 2008-05-08  Rafael Espindola  <espindola@google.com>
11311
11312         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
11313         trap.
11314         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
11315         trap and that both operands are gimple values.
11316         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
11317         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
11318         is a fp operation.
11319
11320 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11321
11322         * read-rtl.c (join_c_conditions): Return the first string if the
11323         two strings are equal.
11324
11325 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11326
11327         * gensupport.h (pred_data): Add a "num_codes" field.
11328         (add_predicate_code): Declare.
11329         * gensupport.c (add_predicate_code): New function.
11330         (std_pred_table): Add an "allows_const_p" field.
11331         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
11332         Remove the (incomplete) list of such codes from the codes field.
11333         (init_predicate_table): Use add_predicate_code.  Add all
11334         RTX_CONST_OBJs if allows_const_p is true.
11335         * genrecog.c (process_define_predicate): Use add_predicate_code.
11336
11337 2008-05-08  David Daney  <ddaney@avtrex.com>
11338             Richard Sandiford  <rsandifo@nildram.co.uk>
11339
11340         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
11341         special case of constant zero operands.
11342         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
11343         old and new values.  Special case constant zero values.
11344         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
11345         fails.
11346         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
11347         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
11348
11349 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
11350
11351         PR target/36090
11352         * simplify-rtx.c (simplify_plus_minus): Create CONST of
11353         similar RTX_CONST_OBJ before CONST_INT.
11354
11355 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
11356
11357         * stmt.c (expand_stack_restore): Change sa mode if needed.
11358
11359 2008-05-08  Richard Guenther  <rguenther@suse.de>
11360
11361         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
11362         return type to bool.
11363         (ix86_sol10_return_in_memory): Likewise.
11364         (ix86_i386elf_return_in_memory): Likewise.
11365         (ix86_i386interix_return_in_memory): Likewise.
11366         * config/i386/i386.c (ix86_return_in_memory): Likewise.
11367         (ix86_sol10_return_in_memory): Likewise.
11368         (ix86_i386elf_return_in_memory): Likewise.
11369         (ix86_i386interix_return_in_memory): Likewise.
11370
11371 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
11372
11373         PR bootstrap/36180
11374         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
11375         fndecl argument.
11376         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
11377         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
11378         declared in front.
11379
11380 2008-05-08  Richard Guenther  <rguenther@suse.de>
11381
11382         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
11383         * tree-data-ref.h (struct dr_alias): Remove subvars field.
11384         (DR_SUBVARS): Remove.
11385         * tree-dfa.c (dump_subvars_for): Remove.
11386         (debug_subvars_for): Likewise.
11387         (dump_variable): Do not dump subvars.
11388         (remove_referenced_var): Do not remove subvars.
11389         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
11390         (lookup_subvars_for_var): Remove.
11391         (get_subvars_for_var): Likewise.
11392         (get_subvars_at): Likewise.
11393         (get_first_overlapping_subvar): Likewise.
11394         (overlap_subvar): Likewise.
11395         * tree-flow.h (subvar_t): Remove.
11396         (struct var_ann_d): Remove subvars field.
11397         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
11398         argument.  Remove special handling of SFTs.
11399         (compute_tag_properties): Likewise.
11400         (set_initial_properties): Likewise.
11401         (compute_call_clobbered): Likewise.
11402         (count_mem_refs): Likewise.
11403         (compute_memory_partitions): Likewise.
11404         (compute_flow_insensitive_aliasing): Likewise.
11405         (setup_pointers_and_addressables): Likewise.
11406         (new_type_alias): Likewise.
11407         (struct used_part): Remove.
11408         (used_portions): Likewise.
11409         (struct used_part_map): Likewise.
11410         (used_part_map_eq): Likewise.
11411         (used_part_map_hash): Likewise.
11412         (free_used_part_map): Likewise.
11413         (up_lookup): Likewise.
11414         (up_insert): Likewise.
11415         (get_or_create_used_part_for): Likewise.
11416         (create_sft): Likewise.
11417         (create_overlap_variables_for): Likewise.
11418         (find_used_portions): Likewise.
11419         (create_structure_vars): Likewise.
11420         * tree.def (STRUCT_FIELD_TAG): Remove.
11421         * tree.h (MTAG_P): Adjust.
11422         (struct tree_memory_tag): Remove base_for_components and
11423         unpartitionable flags.
11424         (struct tree_struct_field_tag): Remove.
11425         (SFT_PARENT_VAR): Likewise.
11426         (SFT_OFFSET): Likewise.
11427         (SFT_SIZE): Likewise.
11428         (SFT_NONADDRESSABLE_P): Likewise.
11429         (SFT_ALIAS_SET): Likewise.
11430         (SFT_UNPARTITIONABLE_P): Likewise.
11431         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
11432         (union tree_node): Remove sft field.
11433         * alias.c (get_alias_set): Remove special handling of SFTs.
11434         * print-tree.c (print_node): Remove handling of SFTs.
11435         * tree-dump.c (dequeue_and_dump): Likewise.
11436         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
11437         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
11438         * tree-predcom.c (set_alias_info): Do not set subvars.
11439         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
11440         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
11441         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
11442         (add_vars_for_offset): Remove.
11443         (add_virtual_operand): Remove special handling of SFTs.
11444         (add_call_clobber_ops): Likewise.
11445         (add_call_read_ops): Likewise.
11446         (get_asm_expr_operands): Likewise.
11447         (get_modify_stmt_operands): Likewise.
11448         (get_expr_operands): Likewise.
11449         (add_to_addressable_set): Likewise.
11450         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
11451         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
11452         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
11453         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
11454         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
11455         (tree_node_structure): Likewise.
11456         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
11457         handling of SFTs.
11458         (find_what_p_points_to): Likewise.
11459
11460 2008-05-08  Sa Liu  <saliu@de.ibm.com>
11461
11462         * config/spu/spu.md: Fixed subti3 pattern.
11463
11464 2008-05-08  Richard Guenther  <rguenther@suse.de>
11465
11466         PR middle-end/36154
11467         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
11468         sure to create a representative for trailing arrays for PTA.
11469
11470 2008-05-08  Richard Guenther  <rguenther@suse.de>
11471
11472         PR middle-end/36172
11473         * fold-const.c (operand_equal_p): Two objects which types
11474         differ in pointerness are not equal.
11475
11476 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
11477
11478         * calls.c (compute_argument_block_size): Add argument tree fndecl.
11479         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
11480         (emit_library_call_value_1): Add new variable fndecl initialized by
11481         NULL_TREE. It should be the decl type of orgfun, but this information
11482         seems not to be available here, so it uses the default calling abi.
11483         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
11484         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
11485         by TARGET_RETURN_IN_MEMORY.
11486         * config/i386/i386-interix.h: Likewise.
11487         * config/i386/i386.h: Likewise.
11488         * config/i386/i386elf.h: Likewise.
11489         * config/i386/ptx4-i.h: Likewise.
11490         * config/i386/sol2-10.h: Likewise.
11491         * config/i386/sysv4.h: Likewise.
11492         * config/i386/vx-common.h: Likewise.
11493         * config/cris/cris.h: Removed #if 0 clause.
11494         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
11495         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
11496         argument.
11497         (ix86_sol10_return_in_memory): Likewise.
11498         (ix86_i386elf_return_in_memory): New.
11499         (ix86_i386interix_return_in_memory): New.
11500         * config/mt/mt-protos.h (mt_return_in_memory): New.
11501         * config/mt/mt.c: Likewise.
11502         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
11503         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
11504         * config/bfin/bfin.h: Likewise.
11505         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
11506         argument.
11507         * config/bfin/bfin.c: Likewise.
11508         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
11509         * config/alpha/unicosmk.h: Likewise.
11510         * config/i386/cygming.h: Likewise.
11511         * config/iq2000/iq2000.h: Likewise.
11512         * config/mips/mips.h: Likewise.
11513         * config/mn10300/mn10300.h: Likewise.
11514         * config/rs6000/rs6000.h: Likewise.
11515         * config/score/score.h: Likewise.
11516         * config/spu/spu.h: Likewise.
11517         * config/v850/v850.h: Likewise.
11518         * defaults.h: Likewise.
11519         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
11520         * expr.c (emit_block_move): Adjust use of
11521         OUTGOING_REG_PARM_STACK_SPACE.
11522         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
11523         OUTGOING_REG_PARM_STACK_SPACE.
11524         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
11525
11526 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
11527
11528         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
11529         on OMP_RETURN for OMP_FOR.
11530
11531         PR debug/35896
11532         * dwarf2out.c (dw_expand_expr, common_check): Removed.
11533         (fortran_common): New function.
11534         (gen_variable_die): Call fortran_common instead of common_check,
11535         adjust for it returning tree instead of rtx.  Formatting.
11536
11537 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
11538
11539         PR rtl/7335
11540         PR rtl/33826
11541         * see.c (see_copy_insn): Copy new pure const attributes for new call.
11542         * c-decl.c (merge_decls): Ditto.
11543         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
11544         to RTL_CONST_OR_PURE_CALL_P.
11545         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
11546         Initialized DECL_LOOPING_CONST_PURE.
11547         (process_call_operands): Set tree_side_effects properly.
11548         * tree.h (TREE_READONLY_DECL_P): Removed.
11549         (DECL_IS_PURE): Renamed to DECL_PURE_P.
11550         (DECL_LOOPING_OR_CONST_P): New macro.
11551         (struct tree_function_decl): Added looping_const_or_pure_p.
11552         (ECF_*) Renumbered.
11553         (ECF_LOOPING_OR_CONST_P): New macro.
11554         * rtlanal.c (pure_const_p): Removed.
11555         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
11556         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
11557         to RTL_CONST_CALL_P.
11558         * ipa-pure-const.c (pure_const_state_e): Added looping field.
11559         (check_decl, check_tree, check_call, scan_function): Initialize
11560         looping.
11561         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
11562         (static_execute): Set looping true for recursive functions.
11563         Undo setting state to IPA_NEITHER for recursive functions.
11564         * cse.c (cse_insn):
11565         * ifcvt.c (noce_can_store_speculate_p): Changed
11566         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
11567         RTL_CONST_OR_PURE_CALL_P.
11568         * dse.c (scan_insn): Ditto.
11569         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
11570         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
11571         RTL_CONST_OR_PURE_CALL_P.
11572         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
11573         pure_call_p to RTL_CONST_CALL_P.
11574         * gimplify.c (gimplify_call_expr): Clear side effects for
11575         non-looping pure and constant calls.
11576         * calls.c (emit_call_1): Set rtl flags from ecf flags.
11577         (flags_from_decl_or_type): Set ecf flags from decl flags.
11578         (initialize_argument_information): Turn off
11579         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
11580         Change const to pure if callee_copies is true rather than just
11581         turning off const.
11582         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
11583         way of marking pure calls.
11584         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
11585         Remove hack that was supposed to fix pr7335 and remove old
11586         way of marking pure calls.
11587         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
11588         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
11589         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
11590         RTL_CONST_OR_PURE_CALL_P.
11591         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
11592         * loop-invariant.c (find_exits, find_invariant_bb): Changed
11593         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
11594         * sched-deps.c (schedule_analyze): Ditto.
11595         * rtl.h (struct rtx_def): Use call field, unchanging field, and
11596         return_val field of calls to represent pure and const function info.
11597         (CONST_OR_PURE_CALL_P): Deleted macro.
11598         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
11599         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
11600         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
11601         TREE_READONLY.
11602         * tree-optimize.c (execute_fixup_cfg): Added test for
11603         ECF_LOOPING_CONST_OR_PURE.
11604         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
11605         DECL_PURE_P.
11606         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
11607         effects for looping pure or const calls.
11608         (verify_gimple_expr): Added verification code.
11609         * config/alpha/alpha.c (alpha_legitimize_address,
11610         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
11611         RTL_CONST_CALL_P.
11612         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
11613         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
11614         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
11615         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
11616         RTL_CONST_OR_PURE_CALL_P.
11617         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
11618         and const calls to be deleted.
11619
11620 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
11621
11622         PR target/35714
11623         * config/i386/mmx.md (mmx_subv2sf3): New expander.
11624         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
11625         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
11626         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
11627         to handle nonimmediate operands.
11628         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
11629         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
11630         to handle nonimmediate operands.
11631         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
11632         (mmx_pmulhrwv4hi3): New expander.  Use
11633         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11634         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
11635         (sse2_umulv1siv1di3): New expander.  Use
11636         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11637         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
11638         (mmx_eq<mode>3): New expander.  Use
11639         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11640         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
11641         (mmx_uavgv8qi3): New expander.  Use
11642         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11643         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
11644         (mmx_uavgv4hi3): New expander.  Use
11645         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11646
11647         * config/i386/sse.md
11648         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
11649         to handle nonimmediate operands.
11650         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
11651         to handle nonimmediate operands.
11652         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
11653         to handle nonimmediate operands.
11654         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
11655         to handle nonimmediate operands.
11656         (sse2_unpckhpd_exp): New expander.  Use
11657         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11658         (sse2_unpcklpd_exp): New expander.  Use
11659         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11660         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
11661         to handle nonimmediate operands.
11662         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
11663         to handle nonimmediate operands.
11664         (*sse2_<plusminus_insn><mode>3): Rename from
11665         sse2_<plusminus_insn><mode>3 insn pattern.
11666         (sse2_<plusminus_insn><mode>3): New expander.  Use
11667         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11668         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
11669         (sse2_umulv2siv2di3): New expander.  Use
11670         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11671         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
11672         (sse4_1_mulv2siv2di3): New expander.  Use
11673         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11674         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
11675         (sse2_pmaddwd): New expander.  Use
11676         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11677         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
11678         (sse2_eq<mode>3): New expander.  Use
11679         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11680         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
11681         (sse4_1_eqv2di3): New expander.  Use
11682         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11683         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
11684         (sse2_uavgv16qi3): New expander.  Use
11685         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11686         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
11687         (sse2_uavgv16qi3): New expander.  Use
11688         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11689         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
11690         (sse2_uavgv8hi3): New expander.  Use
11691         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11692         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
11693         (ssse3_pmulhrswv8hi3): New expander.  Use
11694         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11695         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
11696         (ssse3_pmulhrswv4hi3): New expander.  Use
11697         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11698
11699         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
11700         (<sse>_vmmul<mode>3): Ditto.
11701         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
11702         (divv2df3): Ditto.
11703         (ssse3_pmaddubsw128): Use register_operand for operand 1.
11704         (ssse3_pmaddubsw): Ditto.
11705
11706         * config/i386/i386.c (struct_builtin_description)
11707         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
11708         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
11709         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
11710         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
11711         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
11712         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
11713         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
11714         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
11715         (ix86_fixup_binary_operands): Assert that src1
11716         and src2 must have the same mode when swapped.
11717         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
11718         and ix86_binary_operator_ok.  Do not force operands in registers
11719         when optimizing.
11720
11721 2008-05-07  Jan Hubicka  <jh@suse.cz>
11722
11723         * cgraph.c (dump_cgraph_node): Update.
11724         * cgraph.h (cgraph_local_info): Break out inline summary.
11725         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
11726         hook.
11727         * ipa-inline (inline_summary): New accestor function.
11728         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
11729         cgraph_decide_inlining, compute_inline_parameters): Update.
11730         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
11731
11732 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
11733
11734         Cleanup ColdFire scheduling support and add V4 pipeline model.
11735
11736         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
11737         (define_attr cpu): Add cfv4 value.
11738         (define_attr type, define_attr type1): Merge into a single 'type'
11739         attribute.  Update all uses.
11740         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
11741         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
11742         Update all uses.
11743         (define_attr opx_mem, define_attr opy_mem): Remove.
11744         (define_attr op_mem): Clean up, update comment.
11745         (define_attr size): Use specific values instead of general int.
11746         (define_attr guess, define_attr split): Remove.  Update all uses.
11747         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
11748         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
11749         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
11750         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
11751         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
11752         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
11753         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
11754         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
11755         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
11756         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
11757         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
11758         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
11759         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
11760         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
11761         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
11762         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
11763         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
11764         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
11765         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
11766         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
11767         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
11768         Update or set attributes.
11769         (stack_tie): New fake instruction.
11770
11771         * config/m68k/m68k.h (TUNE_CFV4): New macro.
11772         (m68k_sched_attr_size): Update declaration.
11773         (m68k_sched_attr_type2): Remove.
11774         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
11775         Declare new bypass predicates.
11776
11777         * config/m68k/m68k.c (m68k_sched_issue_rate,
11778         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
11779         implementations.
11780         (TARGET_SCHED_ISSUE_RATE,
11781         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
11782         (override_options): Handle scheduling for ColdFire V4 core.
11783         (m68k_expand_prologue): Emit stack_tie.
11784         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
11785         'OP_TYPE_FPN'.  Update all uses.
11786         (sched_guess_p): Remove.
11787         (sched_address_type): Handle symbolic addresses.
11788         (sched_get_operand): New static function.
11789         (sched_operand_type): Merge into sched_attr_op_type.
11790         (sched_attr_op_type): Handle FP registers, handle quick constants,
11791         update.
11792         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
11793         (m68k_sched_attr_size): Update.  Move logic to ...
11794         (sched_get_attr_size_int): New static function.
11795         (sched_get_opxy_mem_type): New static function.
11796         (m68k_sched_attr_op_mem): Update.
11797         (m68k_sched_attr_type2): Remove.
11798         (sched_cfv4_bypass_data): New static variable.
11799         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
11800         (m68k_sched_issue_rate): Implement scheduler hook.
11801         (struct _sched_ib: enabled_p): New field.
11802         (m68k_sched_variable_issue): Update.  Handle V4.
11803         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
11804         sched_dump_class_func_t, sched_dump_split_class,
11805         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
11806         sched_dump_dfa_class, m68k_sched_dump): Remove.
11807         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
11808         hook.
11809         (m68k_sched_init_global): Remove statisctics dumping, introduce
11810         sanity check that all instructions have pipeline reservations.  Handle
11811         ColdFire V4 core.
11812         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
11813         Handle ColdFire V4 core.
11814         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
11815         New static functions.
11816         (m68k_sched_address_bypass_p): New bypass predicate.
11817         (sched_get_indexed_address_scale): New static function.
11818         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
11819
11820         * cf.md: Update comments.
11821         (define_attr type2): Remove.  Use 'type' attribute instead.
11822         Update all uses.
11823         (cf_ib): Rename to cfv123_ib.  Update all uses.
11824         (cf_oep): Rename to cfv123_oep.  Update all uses.
11825         (cf_chr): Rename to cfv123_chr.  Update all uses.
11826         (cf_mem): Rename to cfv123_mem.  Update all uses.
11827         (cf_mac): Move to more appropriate place.
11828         (cfv123_guess): New automaton and cpu_unit.
11829         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
11830         Update uses of 'size' attribute.  Handle before reload scheduling.
11831         (cfv123_guess): New dummy reservation for unhandled instructions.
11832         (cfv4_*): Pipeline description of ColdFire V4 core.
11833         (ignore): New reservation to handle 'ignore' type.
11834
11835 2008-05-07  Ian Lance Taylor  <iant@google.com>
11836
11837         PR middle-end/36013
11838         * gimplify.c (find_single_pointer_decl_1): Don't look through
11839         indirections.
11840         (find_single_pointer_decl): Adjust comments.
11841
11842 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
11843
11844         PR middle-end/36137
11845         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
11846         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
11847
11848         PR middle-end/36106
11849         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
11850         integral type rather than floating point, then VIEW_CONVERT_EXPR
11851         to the floating point type.
11852
11853 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
11854
11855         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
11856         TFmode op0 to register.
11857
11858 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
11859
11860         * c-decl.c (grokdeclarator): Comment typo.
11861
11862 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
11863
11864         * tree-flow.h: Remove prototype for computed_goto_p.
11865         * tree-cfg.c (computed_goto_p): Make static.
11866
11867 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
11868
11869         PR target/35657
11870         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
11871         (contains_aligned_value_p): This.  Handle _Decimal128.
11872         (ix86_function_arg_boundary): Only align _Decimal128 to its
11873         natural boundary and handle it properly.
11874
11875 2008-05-06  Martin Jambor  <mjambor@suse.cz>
11876
11877         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
11878         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
11879         (ipcp_method_set_orig_node): Removed.
11880         (ipcp_cval_get_cvalue_type): Removed.
11881         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
11882         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
11883         (ipcp_cval_set_cvalue_type): Removed.
11884         (ipcp_cval_get_cvalue): Removed.
11885         (ipcp_cval_set_cvalue): Removed.
11886         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
11887         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
11888         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
11889         (ipcp_cval_meet): Renamed to ipa_lattice_meet
11890         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
11891         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
11892         (ipcp_get_ith_lattice): Changed parameters.
11893         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
11894         (ipcp_lattice_from_jfunc): Changed parameters.
11895         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
11896         (ipcp_method_cval_print): Added temporary variable info.
11897         (ipcp_redirect): Removed already unused local variable caller.
11898         (ipcp_redirect): New temporary variable orig_callee_info
11899         (ipcp_redirect): Removed newly unused local variable callee.
11900         (ipcp_redirect): Removed (a bit confusing) local variable type.
11901         (ipcp_insert_stage): Added local variable info.
11902         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
11903         renamed too
11904         (ipcp_formal_create): Removed.
11905         (ipcp_method_cval_set): Removed.
11906         (ipcp_propagate_stage): Renamed lattice variables.
11907         (ipcp_method_cval_set_cvalue_type): Removed.
11908         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
11909         (ipcp_print_all_lattices): Changed printed strings to refer to
11910         lattices rather than cvals.
11911         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
11912         (ipcp_propagate_const): Changed formal parameters.
11913         (build_const_val): Changed formal parameters.
11914         (ipcp_insert_stage): Removed useless variable cvalue
11915         (build_const_val): Changed formal parameters.
11916         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
11917         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
11918         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
11919         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
11920         (ipcp_print_func_profile_counts): Changed string from "method" to
11921         "function"
11922         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
11923         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
11924         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
11925         (ipcp_structures_print): Renamed to ipcp_print_all_structures
11926         (ipcp_profile_print): Renamed to ipcp_print_profile_data
11927         (ipcp_lat_is_const): Changed parameters and made inline.
11928         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
11929         (ipcp_redirect): Renamed to ipcp_need_redirect_p
11930         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
11931         the predicate condition directly
11932         (ipcp_propagate_stage): Added local variable args. Removed local
11933         variable callee.  (Both are mere code simplifications.)
11934         (ipcp_method_dont_insert_const): Renamed to
11935         ipcp_node_not_modifiable_p.
11936         (ipcp_node_not_modifiable_p): Made inline.
11937         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
11938         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
11939         (ipcp_print_all_lattices): Removed variable cvalue
11940         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
11941         Updated comments.
11942
11943 2008-05-06  Olivier Hainque  <hainque@adacore.com>
11944
11945         * tree-sra.c (try_instantiate_multiple_fields): Early return
11946         if field has POINTER_TYPE.
11947
11948 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
11949
11950         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
11951         by using 'q' specifier for instruction.
11952         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
11953
11954 2008-05-06  Anatoly Sokolov <aesok@post.ru>
11955
11956         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
11957         Change mode of zero_extract from QImode to HImode.
11958         (sign bit tests peepholes): (Ditto.).
11959
11960 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
11961
11962         * config/i386/mmx.md: Remove double backslashes from asm templates.
11963         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
11964         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
11965         to handle nonimmediate operands.
11966         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
11967         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
11968         to handle nonimmediate operands.
11969         (*mmx_<code>v2sf3_finite): New insn pattern.
11970         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
11971         (mmx_<code>v2sf3): New expander.  Use
11972         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11973         (mmx_<plusminus_insn><mode>3): New expander.  Use
11974         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11975         (*mmx_<plusminus_insn><mode>3): New insn pattern.
11976         (mmx_add<mode>3): Removed.
11977         (mmx_ssadd<mode>3): Ditto.
11978         (mmx_usadd<mode>3): Ditto.
11979         (mmx_sub<mode>3): Ditto.
11980         (mmx_sssub<mode>3): Ditto.
11981         (mmx_ussub<mode>3): Ditto.
11982         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
11983         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
11984         to handle nonimmediate operands.
11985         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
11986         insn pattern.
11987         (mmx_smulv4hi3_highpart): New expander.  Use
11988         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11989         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
11990         insn pattern.
11991         (mmx_umulv4hi3_highpart): New expander.  Use
11992         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11993         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
11994         (mmx_<code>v4hi3): New expander.  Use
11995         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11996         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
11997         (mmx_<code>v8qi3): New expander.  Use
11998         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11999         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
12000         (mmx_<code><mode>3): New expander.  Use
12001         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12002
12003 2008-05-05  Jan Hubicka  <jh@suse.cz>
12004
12005         PR tree-optimization/36118
12006         * passes.c (pass_init_dump_file): Fix dump header.
12007
12008 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12009
12010         PR middle-end/36141
12011         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
12012         VCE for function decls.
12013
12014 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12015
12016         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
12017
12018 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12019
12020         * config/i386/i386.md (sat_plusminus): New.
12021         (plusminus_insn): Likewise.
12022         (plusminus_mnemonic): Likewise.
12023         (addsub): Removed.
12024         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
12025         (*<addsub><mode>3_cc_overflow): Renamed to ...
12026         (*<plusminus_insn><mode>3_cc_overflow): This.
12027         (*<addsub>si3_zext_cc_overflow): Renamed to ...
12028         (*<plusminus_insn>si3_zext_cc_overflow): This.
12029
12030         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
12031         (<plusminus_insn><mode>3): This.
12032         (*<addsub><mode>3): Renamed to ...
12033         (*<plusminus_insn><mode>3): This.
12034         (<sse>_vm<addsub><mode>3): Renamed to ...
12035         (<sse>_vm<plusminus_insn><mode>3): This.
12036         (sse3_h<addsub>v4sf3): Renamed to ...
12037         (sse3_h<plusminus_insn>v4sf3): This.
12038         (sse3_h<addsub>v2df3): Renamed to ...
12039         (sse3_h<plusminus_insn>v2df3): This.
12040         (<plusminus_insn><mode>3): New.
12041         (*<plusminus_insn><mode>3): Likewise.
12042         (sse2_<plusminus_insn><mode>3): Likewise.
12043         (add<mode>): Removed.
12044         (*add<mode>3): Likewise.
12045         (sse2_ssadd<mode>3): Likewise.
12046         (sse2_usadd<mode>3): Likewise.
12047         (sub<mode>3): Likewise.
12048         (*sub<mode>3): Likewise.
12049         (sse2_sssub<mode>3): Likewise.
12050         (sse2_ussub<mode>3): Likewise.
12051
12052 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
12053
12054         * gthr-single.h: Add in required interface elements as per gthr.h.
12055         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
12056         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
12057         Generalize UNUSED macro.
12058         (__gthread_once): Add.
12059         (__gthread_key_create): Add.
12060         (__gthread_key_delete): Add.
12061         (__gthread_getspecific): Add.
12062         (__gthread_setspecific): Add.
12063
12064 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
12065
12066         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
12067         the same size types for the indirect reference on the rhs, then
12068         create a VCE.
12069
12070 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
12071
12072         * config/i386/i386.md
12073         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
12074         one insn template instead of template series.
12075         (*xordi_1_rex64): Ditto.
12076         (*xordi_2_rex64): Ditto.
12077
12078 2008-05-05  Ira Rosen  <irar@il.ibm.com>
12079
12080         PR tree-optimization/36119
12081         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
12082         in case of SLP.
12083
12084 2008-06-04  Jan Hubicka  <jh@suse.cz>
12085
12086         tree-optimization/36100
12087         * tree-pass.h (pass_O0_always_inline): Declare.
12088         * ipa-inline.c (inline_transform): Remove dead code.
12089         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
12090         pass_O0_always_inline): New.
12091         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
12092
12093 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
12094
12095         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
12096         mnemonic in this_param move for TARGET_64BIT.
12097
12098 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
12099
12100         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
12101         (*strmovsi_rex_1): Ditto.
12102         (*strsetsi_1): Ditto.
12103         (*strsetsi_rex_1): Ditto.
12104
12105         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
12106         adddicc expanders using SWI mode iterator.
12107
12108 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
12109
12110         PR target/36121
12111         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
12112         argument handling.
12113
12114 2008-05-04  David S. Miller  <davem@davemloft.net>
12115
12116         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
12117         (sparc*-*-linux*): Use linux.h in tm_file.
12118         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
12119         compiler defaulting to 32-bit.
12120         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
12121         no longer needed.
12122         * config/sparc/linux.h: Remove definitions now obtained
12123         properly from linux.h
12124         * config/sparc/linux64.h: Likewise.
12125         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
12126         don't want this setting for 32-bit builds in a biarch compiler.
12127         * doc/install.texi: Add sparc-linux to list of targets
12128         supporting --enable-targets=all.
12129
12130 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
12131
12132         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
12133
12134 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
12135
12136         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
12137         after V4SI_FTYPE_V8HI.
12138         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
12139         case V4SI_FTYPE_V2DF.
12140
12141 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
12142
12143         * doc/invoke.texi (max-flow-memory-locations): Removed.
12144         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
12145
12146 2008-05-03  Richard Guenther  <rguenther@suse.de>
12147
12148         PR middle-end/34973
12149         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
12150
12151 2008-05-02  David S. Miller  <davem@davemloft.net>
12152
12153         * config.gcc (need_64bit_hwint): Document libcpp dependency.
12154
12155 2008-05-02  Simon Baldwin <simonb@google.com>
12156
12157         PR bootstrap/36108
12158         * c-common.h (warn_array_subscript_range): Removed.
12159         * c-common.c (warn_array_subscript_range): Ditto.
12160         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
12161         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
12162
12163 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12164
12165         * config/i386/i386.c (ix86_special_builtin_type): New.
12166         (bdesc_special_args): Likewise.
12167         (ix86_expand_special_args_builtin): Likewise.
12168         (ix86_init_mmx_sse_builtins): Updated.
12169         (ix86_expand_builtin): Updated.
12170         (ix86_expand_store_builtin): Removed.
12171         (ix86_expand_unop_builtin): Likewise.
12172
12173         * config/i386/mm3dnow.h (__v2sf): Moved to ...
12174         * config/i386/mmintrin.h (__v2sf): Here.
12175
12176         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
12177         const __v2sf.
12178         (_mm_loadl_pi): Likewise.
12179         (_mm_storeh_pi): Replace __v2si with __v2sf.
12180         (_mm_storel_pi): Likewise.
12181
12182         * doc/extend.texi: Correct __builtin_ia32_loadhps,
12183         __builtin_ia32_loadlps, __builtin_ia32_storehps,
12184         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
12185         __builtin_ia32_loadlpd.
12186
12187 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12188
12189         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
12190         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
12191         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
12192         (ix86_init_mmx_sse_builtins): Updated.
12193         (ix86_expand_args_builtin): Likewise.
12194         (ix86_expand_builtin): Likewise.
12195         (ix86_expand_unop1_builtin): Renamed to ...
12196         (ix86_expand_unop_vec_merge_builtin): This.
12197
12198 2008-05-01  Jan Hubicka  <jh@suse.cz>
12199
12200         PR bootstrap/36100
12201         * ipa-inline.c (inline_generate_summary): Make static.
12202         (inline_transform): Do not call inlining at -O0; make static.
12203         * passes.c (execute_todo): Add sanity check.
12204         (execute_one_ipa_transform_pass): Execute proper flags.
12205
12206 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
12207
12208         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
12209         (DECL_NONADDRESSABLE_P): Likewise.
12210         * alias.c (record_component_aliases): Fix comment.
12211
12212 2008-05-01  Simon Baldwin <simonb@google.com>
12213
12214         * c-common.h (warn_array_subscript_range): New function.
12215         * c-common.c (warn_array_subscript_range): Ditto.
12216         * tree-vrp.c (check_array_ref): Corrected code to agree with
12217         comment, ignoring only arrays of size 0 or size 1.
12218         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
12219
12220 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12221
12222         * config/i386/i386.c (ix86_builtin_type): Replace
12223         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
12224         (bdesc_args): Updated.
12225         (ix86_init_mmx_sse_builtins): Likewise.
12226         (ix86_expand_args_builtin): Likewise.
12227
12228         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
12229         with __v1di.
12230
12231         * doc/extend.texi: Correct __builtin_ia32_palignr.
12232
12233 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12234
12235         PR target/36095
12236         * config/i386/i386.c (bdesc_crc32): Removed.
12237         (ix86_expand_crc32): Likewise.
12238         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
12239         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
12240         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
12241         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
12242         UINT_FTYPE_UINT_UCHAR.
12243         (bdesc_args): Updated. Add crc32 builtins.
12244         (ix86_init_mmx_sse_builtins): Updated.
12245         (ix86_expand_args_builtin): Updated to support subreg.
12246
12247         * doc/extend.texi: Correct __builtin_ia32_crc32di.
12248
12249 2008-05-01  Jan Hubicka  <jh@suse.cz>
12250
12251         * tree-pass.h (opt_pass): Add IPA_PASS.
12252         (varpool_node, cgraph_node): Forward declare.
12253         (ipa_opt_pass): Define.
12254         (pass_ipa_inline): Turn into ipa_opt_pass.
12255         (pass_apply_inline): Remove.
12256         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
12257         (apply_inline): Turn into ....
12258         (inline_transform): ... this one.
12259         (inline_generate_summary): New function.
12260         (pass_apply_inline): Remove.
12261         * function.h (ipa_opt_pass): Forward declare structure; typedef;
12262         vector.
12263         (struct function): Add ipa_transforms_to_apply.
12264         * passes.c (register_one_dump_file): Work on IPA_PASS.
12265         (init_optimization_passes): Remove pass_inline_parameters and
12266         pass_apply_inline.
12267         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
12268         (execute_one_pass) ... here; apply transforms when possible.
12269         (add_ipa_transform_pass, execute_ipa_summary_asses,
12270         execute_one_ipa_transform_pass): New.
12271         (execute_ipa_pass_list): Update for IPA_PASS type.
12272
12273 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12274
12275         * config/i386/i386.c (ix86_builtin_type): Add
12276         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
12277         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
12278         (bdesc_args): Add SSE4a builtins.
12279         (ix86_init_mmx_sse_builtins): Updated.
12280         (ix86_expand_args_builtin): Likewise.
12281         (ix86_expand_builtin): Likewise.
12282
12283 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12284
12285         * config/i386/i386.c (ix86_builtin_type): Add
12286         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
12287         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
12288         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
12289         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
12290         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
12291         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
12292         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
12293         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
12294         and DI_FTYPE_DI_DI_INT.
12295         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
12296         (ix86_init_mmx_sse_builtins): Updated.
12297         (ix86_expand_args_builtin): Likewise.
12298         (ix86_expand_builtin): Likewise.
12299         (ix86_expand_binop_imm_builtin): Removed.
12300
12301         * doc/extend.texi: Correct __builtin_ia32_palignr128.
12302
12303 2008-04-30  Richard Guenther  <rguenther@suse.de>
12304
12305         PR tree-optimization/32921
12306         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
12307
12308 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
12309
12310         * config/arm/arm.c (arm_unwind_emit): Use
12311         crtl->all_throwers_are_sibcalls instead of
12312         cfun->all_throwers_are_sibcalls.
12313         (arm_output_fn_unwind): Likewise.
12314         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
12315         instead of cfun->uses_pic_offset_table.
12316         (frv_expand_prologue): Likewise.
12317         (frv_frame_pointer_required): Likewise.
12318         (frv_expand_fdpic_call): Likewise.
12319         (frv_emit_movsi): Likewise.
12320         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
12321         cfun->returns_pcc_struct instead of
12322         current_function_returns_pcc_struct.
12323         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
12324         instead of cfun->calls_eh_return.
12325         (m32c_pushm_popm): Likewise.
12326         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
12327         "extern" declaration.
12328
12329 2008-04-30  Richard Guenther  <rguenther@suse.de>
12330
12331         PR tree-optimization/21636
12332         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
12333         constant address.
12334         (evaluate_stmt): Print the likely value.
12335         (ccp_visit_stmt): Avoid excessive vertical spacing.
12336
12337 2008-04-30  Rafael Espindola  <espindola@google.com>
12338
12339         * builtins.c (fold_call_expr): Return realret.
12340         * tree-ssa-threadedge.c
12341         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
12342         __builtin_object_size.
12343
12344 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
12345
12346         * gcc.c (wrapper_string): New variable.
12347         (insert_wrapper): New function.
12348         (execute): New option -wrapper.
12349         * doc/invoke.texi (Overall Options): New driver option -wrapper.
12350
12351 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
12352
12353         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
12354         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
12355         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
12356         from...
12357         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
12358         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
12359         config/rs6000/e500crtres64gprctr.asm,
12360         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
12361         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
12362         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
12363         config/rs6000/e500crtsav64gprctr.asm,
12364         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
12365         config/rs6000/e500crtsavg64gprctr.asm: New files.
12366         * config/rs6000/t-ppccomm: Add build rules for new files.
12367         (LIB2FUNCS_STATIC_EXTRA): Add new files.
12368         * config/rs6000/t-netbsd: Add build rules for new files.
12369         (LIB2FUNCS_STATIC_EXTRA): New variable.
12370         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
12371         (CRTSAVRES_DEFAULT_SPEC): Likewise.
12372         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
12373
12374 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
12375
12376         * config/i386/i386.c (ix86_builtin_type): Add
12377         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
12378         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
12379         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
12380         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
12381         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
12382         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
12383         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
12384         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
12385         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
12386         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
12387         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
12388         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
12389         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
12390         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
12391         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
12392         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
12393         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
12394         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
12395         V1DI_FTYPE_V2SI_V2SI.
12396         (bdesc_2arg): Moved to ...
12397         (bdesc_args): Here.
12398         (ix86_init_mmx_sse_builtins): Updated.
12399         (ix86_expand_args_builtin): Updated.  Take a pointer
12400         to const struct builtin_description.  Handle comparison
12401         builtin functions.
12402         (ix86_expand_sse_compare): Take a new argument for swapping operands.
12403         (ix86_expand_builtin): Updated.
12404
12405         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
12406         (ssse3_pmaddubsw128): This.
12407         (ssse3_pmaddubswv4hi3): Renamed to ...
12408         (ssse3_pmaddubsw): This.
12409
12410         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
12411         (__builtin_ia32_packssdw128): Likewise.
12412         (__builtin_ia32_packuswb128): Likewise.
12413         (__builtin_ia32_pmaddubsw): Likewise.
12414         (__builtin_ia32_pmaddubsw128): Likewise.
12415
12416 2008-04-30  Richard Guenther  <rguenther@suse.de>
12417
12418         PR tree-optimization/14847
12419         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
12420         (recognize_bits_test): Use it.
12421         (recognize_single_bit_test): Likewise.
12422
12423 2008-04-30  Martin Jambor  <mjambor@suse.cz>
12424
12425         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
12426         instead of setting number of formal parameters to zero.
12427         (ipcp_init_stage): Do not set the number of actual parameters to zero
12428         either.
12429         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
12430         which are called with variable number of arguments.
12431         (ipcp_insert_stage): Explicitely skipping all nodes which are
12432         called with variable number of arguments.
12433         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
12434         number of parameters.
12435
12436         * ipa-prop.h (struct ipa_node_params): Added flag
12437         called_with_var_arguments
12438         (ipa_set_param_count): Added.  Changed sole setter to use it.
12439         (ipa_get_param_count): Added.  All readers of param_count
12440         converted to use it instead.
12441         (ipa_set_called_with_variable_arg): Added.
12442         (ipa_is_called_with_var_arguments): Added.
12443         (ipa_get_ith_param): Added.  All readers of param_decls converted
12444         to use it instead.
12445         (ipa_set_cs_argument_count): Added, sole writer to argument_count
12446         changed to use it.
12447         (ipa_get_cs_argument_count): Added, all readers of argument_count
12448         changed to cal it.
12449         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
12450         to use it.
12451
12452         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
12453         (struct ipcp_lattice): Renamed cval_type to type
12454         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
12455
12456         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
12457         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
12458         (ipcp_insert_stage): Changed the type of variable cvalue to tree
12459         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
12460         (build_const_val): Changed the type of parameter cvalue to tree
12461         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
12462         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
12463
12464         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
12465         constant
12466
12467         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
12468         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
12469         (ipa_add_method): Renamed to ipa_push_func_to_list
12470         (ipa_remove_method): Renamed to ipa_pop_func_from_list
12471         (ipa_callsite_param_count): Removed.
12472         (ipa_callsite_param_count_set): Removed.
12473         (ipa_callsite_param): Removed.
12474         (ipa_callsite_callee): Removed.
12475         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
12476         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
12477         (ipa_method_formal_count): Removed.
12478         (ipa_method_formal_count_set): Removed.
12479         (ipa_method_get_tree): Removed.
12480         (ipa_method_tree_map_create): Removed.
12481         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
12482         (ipa_create_param_decls_array): Creates the array itself
12483         (ipa_create_param_decls_array): Temporary variable info instead of
12484         a few dereferences.
12485         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
12486         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
12487         (get_type): Removed.
12488         (ipa_jf_get_info_type): Removed.
12489         (ipa_node_create): Renamed to ipa_create_node_params
12490         (ipa_free): Renamed to ipa_free_all_node_params
12491         (ipa_nodes_create): Renamed to ipa_create_all_node_params
12492         (ipa_edges_create): Renamed to ipa_create_all_edge_args
12493         (ipa_edges_free): Renamed to ipa_free_all_edge_args
12494         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
12495         (ipa_free_all_node_params): Deallocation to jump_functions moved to
12496         ipa_free_all_edge_args
12497         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
12498         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
12499         (ipa_create_methodlist_node): Removed.
12500         (ipa_methodlist_method): Removed.
12501         (ipa_methodlist_method_set): Removed.
12502         (ipa_methodlist_next_method): Removed.
12503         (ipa_methodlist_next_method_set): Removed.
12504         (ipa_method_is_modified): Removed.
12505         (ipa_method_modify_create): Removed.
12506         (ipa_method_modify_init): Temporary variable info instead of a few
12507         dereferences.
12508         (ipa_detect_param_modifications): Temporary variable info instead of
12509         a few dereferences.
12510         (ipa_compute_jump_functions): Temporary variable info instead of
12511         a few dereferences.
12512         (ipa_method_modify_set): Removed.
12513         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
12514         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
12515         than craph_node as the first parameter.
12516         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
12517         (ipa_method_modify_init): Removed.
12518         (ipa_compute_jump_functions): Added a temp variable instead of
12519         repeatadly dereferencing the cgraph_edge.aux pointer
12520         (ipa_callsite_param_set_type): Removed.
12521         (ipa_compute_jump_functions): i renamed to index and moved to
12522         an inner block
12523         (ipa_callsite_param_set_info_type_formal): Removed.
12524         (ipa_callsite_param_set_info_type): Removed.
12525         (ipa_callsite_param_map_create): Removed.
12526         (ipa_callsite_tree): Removed.
12527         (ipa_callsite_caller): Removed.
12528         (ipa_pop_func_from_list): return_method removed to return_func
12529
12530         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
12531         prefixed all values with IPA_. Changed all users.
12532         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
12533         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
12534         and FORMAL_IPATYPE IPA_PASS_THROUGH.
12535         (union parameter_info): Renamed to jump_func_value.
12536         (union jump_func_value): Renamed value to constant
12537         (struct ipa_jump_func): Renamed info_type to value
12538         (struct ipa_node): Renamed to ipa_node_params
12539         (struct ipa_node_params): Renamed ipa_arg_num to param_count
12540         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
12541         (struct ipa_node_params): Renamed ipa_mod to modified_flags
12542         (struct ipa_edge): Renamed to ipa_edge_args
12543         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
12544         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
12545         (struct ipa_methodlist): Renamed to ipa_func_list
12546         (struct ipa_func_list): method_p renamed to node, next_method
12547         renamed to next
12548         (ipa_methodlist_p): Removed, switched all users to struct pointer
12549         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
12550
12551 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
12552
12553         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
12554         (rs6000_emit_epilogue): Use backchain to restore only when we
12555         have a large frame.  Make use of frame pointer to restore if we
12556         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
12557
12558 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
12559
12560         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
12561         Add mode to zero_extract.
12562         (sign bit tests peepholes): (Ditto.).
12563
12564 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
12565
12566         * config/i386/i386.c (ix86_builtins): Replace Prescott New
12567         Instructions in comments with SSE3.
12568         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
12569         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
12570         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
12571         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
12572         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
12573         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
12574         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
12575         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
12576         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
12577         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
12578         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
12579         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
12580         (bdesc_sse_args): Renamed to ...
12581         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
12582         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
12583         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
12584         IX86_BUILTIN_FABSQ.
12585         (bdesc_1arg): Moved to ...
12586         (bdesc_args): Here.
12587         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
12588         Instructions in comments with SSE3.
12589         (ix86_expand_sse_operands_builtin): Renamed to ...
12590         (ix86_expand_args_builtin): This.  Updated.
12591         (ix86_expand_unop1_builtin): Update comments.
12592         (ix86_expand_builtin): Updated.
12593
12594 2008-04-29  Richard Guenther  <rguenther@suse.de>
12595
12596         PR tree-optimization/36078
12597         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
12598         Update virtual SSA form after cleaning up the CFG.
12599
12600 2008-04-29  Richard Guenther  <rguenther@suse.de>
12601
12602         PR middle-end/15255
12603         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
12604
12605 2008-04-29  Richard Guenther  <rguenther@suse.de>
12606
12607         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
12608         (compute_may_aliases): Do not call finalize_ref_all_pointers.
12609         (compute_flow_insensitive_aliasing): Do not treat
12610         PTR_IS_REF_ALL pointers special.
12611         (get_smt_for): Likewise.
12612         (may_alias_p): Re-structure.
12613         (is_escape_site): A ref-all pointer conversion is not an escape site.
12614         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
12615         PTR_IS_REF_ALL pointers special.
12616         * tree-ssa-structalias.h (struct alias_info): Remove
12617         ref_all_symbol_mem_tag field.
12618         (PTR_IS_REF_ALL): Remove.
12619
12620 2008-04-29  Richard Guenther  <rguenther@suse.de>
12621
12622         PR middle-end/36077
12623         * fold-const.c (extract_muldiv_1): In combining division constants
12624         make sure to never overflow.
12625
12626 2008-04-29  Nick Clifton  <nickc@redhat.com>
12627
12628         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
12629
12630 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12631
12632         PR bootstrap/35169
12633         * optc-gen.awk: Work around HP-UX/IA awk bug.
12634
12635 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
12636
12637         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
12638         2008-04-25 commit.
12639
12640 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
12641
12642         PR target/36073
12643         * config/i386/i386.md
12644         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
12645         Change operand 1 predicate to nonimmediate_operand.
12646
12647 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
12648
12649         PR debug/36060
12650         * dwarf2out.c (struct die_struct): Mark as chain_circular through
12651         die_sub field.
12652         * gengtype.c (walk_type, write_func_for_structure): Handle
12653         chain_circular.
12654         * doc/gty.texi: Document chain_circular.
12655
12656 2008-04-28  Richard Guenther  <rguenther@suse.de>
12657
12658         PR tree-optimization/36066
12659         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
12660         SCEV and loop.
12661
12662 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
12663
12664         PR target/36064
12665         * config/i386/i386.md
12666         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
12667         Use match_scratch instead of match_operand for operands 3 and 4.
12668
12669 2008-04-27  Richard Guenther  <rguenther@suse.de>
12670
12671         PR tree-optimization/18754
12672         PR tree-optimization/34223
12673         * tree-pass.h (pass_complete_unrolli): Declare.
12674         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
12675         loop size before and after unconditionally of UL_NO_GROWTH in effect.
12676         Rewrite loop into loop closed SSA form if it is not already.
12677         (tree_unroll_loops_completely): Re-structure to iterate over
12678         innermost loops with intermediate CFG cleanups.
12679         Unroll outermost loops only if requested or the code does not grow
12680         doing so.
12681         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
12682         loops are available.
12683         (tree_vectorize): Instead do so here.
12684         (tree_complete_unroll): Also unroll outermost loops.
12685         (tree_complete_unroll_inner): New function.
12686         (gate_tree_complete_unroll_inner): Likewise.
12687         (pass_complete_unrolli): New pass.
12688         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
12689         uses outside of the loop.
12690         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
12691         form if it is available.
12692         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
12693         * passes.c (init_optimization_passes): Schedule complete inner
12694         loop unrolling pass before the first CCP pass after final inlining.
12695
12696 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
12697
12698         * targhooks.h (default_emutls_var_fields,
12699         default_emutls_var_init): Declare.
12700         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
12701         * target.h (struct gcc_target): Add struct emutls member.
12702         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
12703         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
12704         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
12705         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
12706         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
12707         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
12708         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
12709         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
12710         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
12711         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
12712         emit debug information.
12713         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
12714         * varasm.c: Include targhooks.h.
12715         (emutls_object_section, emutls_tmpl_section): New.
12716         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
12717         (EMUTLS_SEPARATOR): New.
12718         (prefix_name): New.
12719         (get_emutls_object_name): New.
12720         (default_emutls_var_fields): New, broken out of ...
12721         (get_emutls_object_type): ... here.  Adjust to use target hooks.
12722         (get_emutls_init_templ_addr): Adjust to use target hooks.
12723         (emutls_decl): Adjust to use target hooks.
12724         (emutls_finish): Likewise.
12725         (default_emutls_var_init): New, broken out of ...
12726         (assemble_variable): ... here.  Adjust to use target hooks.
12727         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
12728         SECCAT_EMUTLS_TMPL.
12729         * c-common.c (handle_section_attribute): Prevent overriding
12730         sections for emulated tls with special sections.
12731         * config/i386/i386.c (x86_64_elf_select_section): Add
12732         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
12733         (x86_64_elf_unique_section): Likewise.
12734         * config/vxworks.c: Include tree.h.
12735         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
12736         (vxworks_override_options): Set TLS scheme.
12737         * doc/tm.texi (Emulated TLS): New node.
12738
12739 2008-04-26  Simon Baldwin <simonb@google.com>
12740
12741         PR c/35652
12742         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
12743         with propagated string constants.
12744
12745 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
12746
12747         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
12748         constraint for operand 2 when operand 0 is memory operand.
12749         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
12750         operand 0 is memory operand.
12751         (fix_trunc<mode>_i387_with_temp): Ditto.
12752         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
12753         operand 2 when operand 1 is memory operand.
12754         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
12755         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
12756         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
12757         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
12758         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
12759         operands 2,3 and 4 when operand 1 is memory operand.
12760         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
12761         is memory operand.
12762         (fistdi2_floor_with_temp): Ditto.
12763         (fist<mode>2_floor_with_temp): Ditto.
12764         (fistdi2_ceil_with_temp): Ditto.
12765         (fist<mode>2_ceil_with_temp): Ditto.
12766         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
12767
12768 2008-04-26  David Daney  <ddaney@avtrex.com>
12769
12770         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
12771         unspec_volitile.
12772         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
12773         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
12774         UNSPEC_UPDATE_GOT_VERSION): Renumber.
12775         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
12776         (compare_and_swap_12): New insn.
12777         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
12778         * config/mips/mips.c (mips_force_binary): New function.
12779         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
12780         (mips_expand_compare_and_swap_12): New function.
12781         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
12782
12783 2008-04-25  Jan Hubicka  <jh@suse.cz>
12784
12785         PR testsuite/35843
12786         * cfgexpand.c (pass_expand): Turn into RTL pass.
12787         * passes.c (execute_one_pass): Do pass typechecking after execution.
12788         * tree-pass.h (pass_expand): Turn into RTL pass.
12789
12790         * function.h (struct rtl_data): Move here fields
12791         accesses_prior_frames, calls_eh_return, saves_all_registers,
12792         has_nonlocal_goto, has_asm_statement, is_thunk,
12793         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
12794         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
12795         arg_pointer_save_area_init from struct function; turn into bool.
12796         (struct function): Move
12797         calls_eh_return, saves_all_registers, has_nonlocal_goto,
12798         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
12799         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
12800         tail_call_emit, arg_pointer_save_area_init
12801         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
12802         (current_function_returns_struct, current_function_returns_pcc_struct,
12803         current_function_calls_setjmp, current_function_calls_alloca,
12804         current_function_accesses_prior_frames,
12805         current_function_calls_eh_return, current_function_is_thunk,
12806         current_function_stdarg, current_function_profile,
12807         current_function_limit_stack, current_function_uses_pic_offset_table,
12808         current_function_uses_const_pool, current_function_has_nonlocal_label,
12809         current_function_saves_all_registers,
12810         current_function_has_nonlocal_goto,
12811         current_function_has_asm_statement): Remove accesor macros.
12812         * ra-conflict.c (global_conflicts): Update.
12813         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
12814         (suitable_for_tail_call_opt_p): Update.
12815         * builtins.c (expand_builtin_return_addr): Update.
12816         (expand_builtin_setjmp_setup): Update.
12817         (expand_builtin_nonlocal_goto): Update.
12818         * final.c (final_start_function): Update.
12819         (profile_function): Update.
12820         (leaf_function_p): Update.
12821         (only_leaf_regs_used): Update.
12822         * df-scan.c (df_get_exit_block_use_set): Update.
12823         * dojump.c (clear_pending_stack_adjust): Update.
12824         * tree-stdarg.c (gate_optimize_stdarg): Update.
12825         * gimple-low.c (lower_function_body): Update.
12826         * global.c (compute_regsets): Update.
12827         (global_alloc): Update.
12828         * dwarf2out.c (dwarf2out_begin_prologue): Update.
12829         * expr.c (expand_assignment): Update.
12830         * dse.c (dse_step0): Update.
12831         (dse_step1): Update.
12832         * c-decl.c (store_parm_decls): Update.
12833         * local-alloc.c (combine_regs): Update.
12834         (find_free_reg): Update.
12835         * function.c (assign_parms_augmented_arg_list): Update.
12836         (assign_parm_find_data_types): Update.
12837         (assign_parms): Update.
12838         (allocate_struct_function): Update.
12839         (expand_function_start): Update.
12840         (expand_function_end): Update.
12841         (get_arg_pointer_save_area): Update.
12842         (thread_prologue_and_epilogue_insns): Update.
12843         (rest_of_match_asm_constraints): Update.
12844         * stor-layout.c (variable_size): Update.
12845         * gcse.c (gcse_main): Update.
12846         (bypass_jumps): Update.
12847         * gimplify.c (gimplify_function_tree): Update.
12848         * calls.c (emit_call_1): Update.
12849         (expand_call): Update.
12850         * bt-load.c (compute_defs_uses_and_gen): Update.
12851         * except.c (sjlj_assign_call_site_values): Update.
12852         (sjlj_emit_function_enter): Update.
12853         (can_throw_external): Update.
12854         (set_nothrow_function_flags): Update.
12855         (expand_builtin_unwind_init): Update.
12856         (expand_eh_return): Update.
12857         (convert_to_eh_region_ranges): Update.
12858         (output_function_exception_table): Update.
12859         * emit-rtl.c (gen_tmp_stack_mem): Update.
12860         * cfgexpand.c (expand_used_vars): Update.
12861         (tree_expand_cfg): Update.
12862         * cfgcleanup.c (rest_of_handle_jump): Update.
12863         * explow.c (allocate_dynamic_stack_space): Update.
12864         * varasm.c (assemble_start_function): Update.
12865         (force_const_mem): Update.
12866         (mark_constant_pool): Update.
12867         * tree-optimize.c (tree_rest_of_compilation): Update.
12868         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
12869         * tree-cfg.c (notice_special_calls): Update.
12870         (is_ctrl_altering_stmt): Update.
12871         (tree_can_make_abnormal_goto): Update.
12872         (tree_purge_dead_abnormal_call_edges): Update.
12873         * config/alpha/predicates.md: Update.
12874         * config/alpha/alpha.c (alpha_sa_mask): Update.
12875         (alpha_sa_size): Update.
12876         (alpha_does_function_need_gp): Update.
12877         (alpha_expand_prologue): Update.
12878         (alpha_start_function): Update.
12879         (alpha_output_function_end_prologue): Update.
12880         (alpha_expand_epilogue): Update.
12881         * config/frv/frv.c (frv_stack_info): Update.
12882         (frv_expand_epilogue): Update.
12883         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
12884         (s390_register_info): Update.
12885         (s390_frame_info): Update.
12886         (s390_init_frame_layout): Update.
12887         (s390_can_eliminate): Update.
12888         (save_gprs): Update.
12889         * config/spu/spu.c (spu_split_immediate): Update.
12890         (need_to_save_reg): Update.
12891         (spu_expand_prologue): Update.
12892         (spu_expand_epilogue): Update.
12893         * config/sparc/sparc.md: Update.
12894         * config/sparc/sparc.c (eligible_for_return_delay): Update.
12895         (sparc_tls_got): Update.
12896         (legitimize_pic_address): Update.
12897         (sparc_emit_call_insn): Update.
12898         (sparc_expand_prologue): Update.
12899         (output_return): Update.
12900         (print_operand): Update.
12901         (sparc_function_ok_for_sibcall): Update.
12902         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
12903         * config/m32r/m32r.md: Update.
12904         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
12905         (m32r_compute_frame_size): Update.
12906         (m32r_expand_prologue): Update.
12907         (m32r_expand_epilogue): Update.
12908         (m32r_legitimize_pic_address): Update.
12909         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
12910         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
12911         * config/i386/i386.c (ix86_frame_pointer_required): Update.
12912         (gen_push): Update.
12913         (ix86_save_reg): Update.
12914         (ix86_compute_frame_layout): Update.
12915         (ix86_expand_prologue): Update.
12916         (ix86_expand_epilogue): Update.
12917         * config/sh/sh.c (output_stack_adjust): Update.
12918         (calc_live_regs): Update.
12919         (sh5_schedule_saves): Update.
12920         (sh_expand_prologue): Update.
12921         (sh_expand_epilogue): Update.
12922         (sh_setup_incoming_varargs): Update.
12923         (sh_allocate_initial_value): Update.
12924         (sh_get_pr_initial_val): Update.
12925         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
12926         * config/sh/sh.md (label:): Update.
12927         * config/avr/avr.c (out_movhi_mr_r): Update.
12928         * config/crx/crx.h (enum): Update.
12929         * config/xtensa/xtensa.h (along): Update.
12930         * config/stormy16/stormy16.c Update.
12931         (xstormy16_compute_stack_layout): Update.
12932         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
12933         (fr30_expand_prologue): Update.
12934         * config/cris/cris.c (cris_conditional_register_usage): Update.
12935         (cris_reg_saved_in_regsave_area): Update.
12936         (cris_initial_frame_pointer_offset): Update.
12937         (cris_simple_epilogue): Update.
12938         (cris_expand_prologue): Update.
12939         (cris_expand_epilogue): Update.
12940         (cris_expand_pic_call_address): Update.
12941         (cris_asm_output_symbol_ref): Update.
12942         (cris_asm_output_label_ref): Update.
12943         * config/cris/cris.md Update.
12944         * config/iq2000/iq2000.c (compute_frame_size): Update.
12945         (iq2000_expand_epilogue): Update.
12946         * config/mt/mt.h (save_direction): Update.
12947         * config/mn10300/mn10300.c (mn10300_function_value): Update.
12948         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
12949         (ia64_secondary_reload_class): Update.
12950         * config/m68k/m68k.c (m68k_save_reg): Update.
12951         (m68k_expand_prologue): Update.
12952         (m68k_expand_epilogue): Update.
12953         (legitimize_pic_address): Update.
12954         * config/rs6000/rs6000.c (rs6000_got_register): Update.
12955         (first_reg_to_save): Update.
12956         (first_altivec_reg_to_save): Update.
12957         (compute_vrsave_mask): Update.
12958         (compute_save_world_info): Update.
12959         (rs6000_stack_info): Update.
12960         (spe_func_has_64bit_regs_p): Update.
12961         (rs6000_ra_ever_killed): Update.
12962         (rs6000_emit_eh_reg_restore): Update.
12963         (rs6000_emit_allocate_stack): Update.
12964         (rs6000_emit_prologue): Update.
12965         (rs6000_emit_epilogue): Update.
12966         (rs6000_output_function_epilogue): Update.
12967         (output_profile_hook): Update.
12968         (rs6000_elf_declare_function_name): Update.
12969         * config/rs6000/rs6000.h (rs6000_args): Update.
12970         * config/rs6000/rs6000.md: Update.
12971         * config/mcore/mcore.c (mcore_expand_prolog): Update.
12972         * config/arc/arc.c (arc_output_function_epilogue): Update.
12973         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
12974         * config/darwin.c (machopic_function_base_name): Update.
12975         * config/score/score3.c (score3_compute_frame_size): Update.
12976         (rpush): Update.
12977         (rpop): Update.
12978         (score3_epilogue): Update.
12979         * config/score/score7.c (score7_compute_frame_size): Update.
12980         (score7_prologue): Update.
12981         (score7_epilogue): Update.
12982         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
12983         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
12984         * config/arm/arm.c (use_return_insn): Update.
12985         (require_pic_register): Update.
12986         (arm_load_pic_register): Update.
12987         (arm_compute_save_reg0_reg12_mask): Update.
12988         (arm_compute_save_reg_mask): Update.
12989         (thumb1_compute_save_reg_mask): Update.
12990         (output_return_instruction): Update.
12991         (arm_output_function_prologue): Update.
12992         (arm_output_epilogue): Update.
12993         (arm_get_frame_offsets): Update.
12994         (arm_expand_prologue): Update.
12995         (thumb_pushpop): Update.
12996         (thumb_exit): Update.
12997         (thumb1_expand_prologue): Update.
12998         (thumb1_expand_epilogue): Update.
12999         (arm_unwind_emit): Update.
13000         (arm_output_fn_unwind): Update.
13001         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
13002         * config/arm/arm.md: Update.
13003         * config/pa/pa.md: Update.
13004         * config/pa/pa.c (legitimize_pic_address): Update.
13005         (compute_frame_size): Update.
13006         (hppa_expand_prologue): Update.
13007         (hppa_expand_epilogue): Update.
13008         (borx_reg_operand): Update.
13009         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
13010         (HARD_REGNO_RENAME_OK): Update.
13011         * config/mips/mips.c (mips_global_pointer): Update.
13012         (mips_save_reg_p): Update.
13013         (mips_compute_frame_info): Update.
13014         (mips_frame_pointer_required): Update.
13015         (mips_expand_prologue): Update.
13016         (mips_expand_epilogue): Update.
13017         (mips_can_use_return_insn): Update.
13018         (mips_reorg_process_insns): Update.
13019         * config/v850/v850.c (compute_register_save_size): Update.
13020         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
13021         * config/mmix/mmix.c (along): Update.
13022         (mmix_expand_epilogue): Update.
13023         * config/bfin/bfin.c (legitimize_pic_address): Update.
13024         (must_save_p): Update.
13025         (stack_frame_needed_p): Update.
13026         (add_to_reg): Update.
13027         (bfin_expand_prologue): Update.
13028         * stmt.c (expand_asm_operands): Update.
13029         * reload1.c (reload): Update.
13030         (init_elim_table): Update.
13031
13032 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
13033
13034         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
13035
13036 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
13037
13038         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
13039         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
13040         (mov<mode>): Removed.
13041         (*movv4sf_internal): Likewise.
13042         (*movv2df_internal): Likewise.
13043
13044 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
13045
13046         * config.gcc (crx-*-elf): Remove deprecation.
13047
13048 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
13049
13050         * config/i386/cygming-crtend.c (register_frame_ctor): Register
13051         __gcc_deregister_frame with atexit.
13052         (deregister_frame_dtor): Remove.
13053
13054 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
13055             Nathan Sidwell  <nathan@codesourcery.com>
13056
13057         * config/rs6000/rs6000.opt (mspe): Remove Var property.
13058         (misel): Likewise.
13059         * config/rs6000/rs6000.h (rs6000_spe): Declare.
13060         (rs6000_isel): Likewise.
13061         * config/rs6000/rs6000.c (rs6000_spe): New variable.
13062         (rs6000_isel): New variable.
13063         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
13064
13065 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13066
13067         PR c++/35758
13068         * c-common.c (handle_vector_size_attribute): Call
13069         lang_hooks.types.reconstruct_complex_type instead of
13070         reconstruct_complex_type.
13071         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
13072         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
13073         * langhooks.h (struct lang_hooks_for_types): Add
13074         reconstruct_complex_type hook.
13075         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
13076         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
13077
13078 2008-04-24  Richard Guenther  <rguenther@suse.de>
13079
13080         * c-common.h (check_builtin_function_arguments): Declare.
13081         * c-common.c (validate_nargs): New function.
13082         (check_builtin_function_arguments): Likewise.
13083         * c-typeck.c (build_function_call): Call
13084         check_builtin_function_arguments.
13085         * builtins.c (fold_builtin_classify): Remove error reporting code.
13086         (fold_builtin_unordered_cmp): Likewise.
13087         (fold_builtin_1): Likewise.
13088         (fold_builtin_n): Likewise.
13089
13090 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13091
13092         PR tree-optimization/36008
13093         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
13094         the original op1, rather than delta by step.
13095
13096 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
13097             Sebastian Pop  <sebastian.pop@amd.com>
13098
13099         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
13100         eliminate_local_variables_stmt, eliminate_local_variables,
13101         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
13102         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
13103         of code delimited by two edges in the CFG.
13104         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
13105         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
13106         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
13107         the case of parallelisation of reductions.
13108         (expr_invariant_in_region_p): New.
13109
13110         * tree-flow.h (gather_blocks_in_sese_region): Declared.
13111         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
13112
13113 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13114             Richard Guenther  <rguenther@suse.de>
13115
13116         PR tree-optimization/36034
13117         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
13118         incapable of dealing with loads with gaps.
13119
13120 2008-04-24  Rafael Espindola  <espindola@google.com>
13121
13122         * tree-flow.h (vrp_evaluate_conditional): Change signature.
13123         * tree-ssa-propagate.c (fold_predicate_in): Update call to
13124         vrp_evaluate_conditional.
13125         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
13126         (vrp_evaluate_conditional): Split the cond argument.
13127         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
13128         (simplify_stmt_for_jump_threading): Update call to
13129         vrp_evaluate_conditional.
13130
13131 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13132
13133         PR tree-optimization/35982
13134         * tree-vect-analyze.c (vect_check_interleaving): Check that the
13135         interleaved data-refs are of the same type.
13136
13137 2008-04-24  Danny Smith  <dannysmith@users.net>
13138
13139         * c-format.c (check_format_info_main): Use strncmp rather than a
13140         magic prefix to handle multichar length specs.
13141         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
13142         Don't prefix "I64" and "I32" with '\0'.
13143
13144 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13145
13146         PR target/36015
13147         * config/i386/i386.c (init_cumulative_args): Don't pass anything
13148         in registers for -m32 only if stdarg_p (fntype).
13149
13150 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
13151
13152         PR rtl-optimization/36006
13153         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
13154         temp to op0 in order to avoid invalid rtx sharing.
13155
13156 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13157
13158         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
13159         check TREE_INVARIANT.
13160         * tree-gimple.c (is_gimple_address): New.
13161         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
13162         * tree-gimple.h (is_gimple_address): New.
13163         * tree.h (decl_address_invariant_p): New.
13164         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
13165         (build_string): Likewise.
13166         (decl_address_invariant_p): New, from is_gimple_invariant_address.
13167         (tree_invariant_p_1): Likewise.
13168         (save_expr): Use it.
13169         (tree_invariant_p): New.
13170         (skip_simple_arithmetic): Use it.
13171         (stabilize_reference_1): Use it.
13172         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
13173         simplify.
13174         (build1_stat): Drop code to compute TREE_INVARIANT.
13175         (build2_stat): Drop code to compute TREE_INVARIANT.
13176         (build3_stat): Drop code to compute TREE_INVARIANT.
13177         (build4_stat): Drop code to compute TREE_INVARIANT.
13178         (build5_stat): Drop code to compute TREE_INVARIANT.
13179         (build7_stat): Drop code to compute TREE_INVARIANT.
13180         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
13181         * tree.h (struct tree_base): Remove invariant_flag.
13182         (TREE_INVARIANT): Remove.
13183         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
13184         (fold_builtin_expect): Check TREE_CONSTANT.
13185         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
13186         * c-tree.h (c_expr_to_decl): Drop third parameter.
13187         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
13188         (build_c_cast): Don't set TREE_INVARIANT.
13189         (pop_init_level): Don't set TREE_INVARIANT.
13190         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
13191         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
13192         TREE_CONSTANT.
13193         (gimplify_init_constructor): Don't set TREE_INVARIANT.
13194         (gimplify_addr_expr): Adjust comment.
13195         * tree-mudflap.c (mf_build_string):
13196         * print-tree.c (print_node): Don't print TREE_INVARIANT.
13197         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
13198         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
13199         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
13200         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
13201         * langhooks.h (struct lang_hooks): Drop third parameter from
13202         expr_to_decl.
13203
13204 2008-04-23  Richard Guenther  <rguenther@suse.de>
13205
13206         PR tree-optimization/27799
13207         PR tree-optimization/32921
13208         PR tree-optimization/32624
13209         * tree-ssa-structalias.c (merge_smts_into): Only merge the
13210         SMTs aliases and the tag itself into the solution.
13211         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
13212         merge the points-to solution back into the SMT aliases.
13213         (may_alias_p): Use alias_set_subset_of instead of
13214         aliases_conflict_p.  A pointer which points to
13215         memory with alias set zero may access any variable.
13216
13217 2008-04-23  Richard Guenther  <rguenther@suse.de>
13218
13219         * alias.c (alias_set_subset_of): Correctly handle asking
13220         if zero is a subset of an alias set with zero child.
13221         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
13222         (compute_flow_insensitive_aliasing): Correctly walk all
13223         pointers.  Do not unnecessarily union sets.
13224
13225 2008-04-23  Richard Guenther  <rguenther@suse.de>
13226
13227         PR middle-end/36021
13228         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
13229
13230 2008-04-22  Tomas Bily  <tbily@suse.cz>
13231
13232         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
13233         unreachable case.
13234         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
13235         NON_LVALUE_EXPR.
13236         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
13237         * tree-ssa-structalias.c (get_constraint_for): Likewise.
13238         * tree-inline.c (estimate_num_insns_1): Likewise.
13239         * varasm.c (const_hash_1, compare_constant, copy_constant)
13240         (compute_reloc_for_constant, output_addressed_constants): Likewise.
13241         * emit-rtl.c (component_ref_for_mem_expr)
13242         (set_mem_attributes_minus_bitpos): Likewise.
13243         * expr.c (highest_pow2_factor, expand_expr_real_1, )
13244         (is_aligning_offset): Likewise.
13245         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
13246         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
13247         * dojump.c (do_jump): Likewise.
13248         * builtins.c (get_pointer_alignment, get_memory_rtx)
13249         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
13250         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
13251
13252 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
13253
13254         PR rtl-optimization/36017
13255         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
13256         expanding the library call.
13257
13258 2008-04-22  Ian Lance Taylor  <iant@google.com>
13259
13260         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
13261         than size_in_bytes.
13262
13263 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
13264
13265         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
13266         of LR/CTR moves for Power6.
13267
13268 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
13269
13270         PR middle-end/36003
13271         * passes.c (init_optimization_passes): Remove
13272         pass_fast_rtl_byte_dce.
13273
13274 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
13275
13276         PR target/29096
13277         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
13278         builtin functions to generate faster code.
13279         (_mm_cvtpu16_ps): Ditto.
13280         (_mm_cvtpi32x2_ps): Ditto.
13281
13282 2008-04-22  Nick Clifton  <nickc@redhat.com>
13283
13284         * common.opt (ftree-loop-distribution): Add Optimization
13285         attribute.
13286
13287         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
13288         (frv_expand_builtin_va_start): Likewise.
13289
13290         * config/arm/arm.c (thumb_find_work_register): Fix location of
13291         argument register count.
13292
13293 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
13294
13295         Support scheduling for ColdFire V1 and V3 microarchitecture.
13296         Improve scheduling of multiplication instructions.
13297
13298         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
13299         (mac): New instruction attribute.
13300         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
13301         (m68k_sched_mac): New variable.
13302         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
13303         Handle cfv1 and cfv3.
13304         (max_insn_size): New static variable.
13305         (struct _sched_ib): New type.
13306         (sched_ib): New static variable.
13307         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
13308         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
13309         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
13310         Update.
13311         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
13312         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
13313         new variables.  Update.
13314         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
13315         Add modeling of cfv3 instruction buffer.  Update.
13316         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
13317         * config/m68k/m68k.h (TUNE_CFV3): New macro.
13318         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
13319         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
13320         a particular reservation applies to.
13321         (type2): Reorganize attribute values.  Rename alu to alu_reg,
13322         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
13323         to mul_l and mul_w.
13324         (cf_ib_*): Simplify description of instruction buffer.
13325         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
13326         (cf_mem): Split into cf_mem1 and cf_mem2.
13327         (cf_v2_move_??): Rename to cfv12_alu_??.
13328         (cf_v2_move_l_??): Rename to cfv12_omove_??.
13329         (cf_v2_mul_??): Remove reservations.
13330         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
13331         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
13332         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
13333         appropriate place.
13334         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
13335         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
13336         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
13337         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
13338         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
13339         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
13340         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
13341         expansions of the above reservations for instructions of sizes
13342         1, 2 and 3 words.
13343
13344 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
13345
13346         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
13347
13348 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
13349
13350         * coverage.c: Include tree-pass.h.
13351         (coverage_counter_alloc): Print da_file_name to the dump file.
13352
13353 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
13354
13355         * sbitmap.c (sbitmap_range_empty_p): New function.
13356         * sbitmap.h (sbitmap_range_empty_p): New function.
13357         * bitmap.h: Now includes obstack.h.
13358
13359 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
13360             Kenneth Zadeck  <zadeck@naturalbridge.com>
13361
13362         * dbgcnt.def (ra_byte_scan): Added.
13363         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
13364         when the last hit happens for a counter.
13365         * timevar.def (TV_DF_BYTE_LR): New variable.
13366         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
13367         * passes.c (pass_fast_rtl_byte_dce): New pass.
13368         * fwprop.c (update_df): Added mode to call df_ref_create.
13369         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
13370         DF_REF_EXTRACT_OFFSET.
13371         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
13372         DF_BYTE_LR_OUT, df_byte_lr): New macro.
13373         (df_mm): New enum.
13374         (df_ref_extract): Added mode field.
13375         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
13376         DF_REF_EXTRACT_OFFSET.
13377         (DF_REF_EXTRACT_MODE): New macro.
13378         (df_byte_lr_bb_info): New structure.
13379         (df_print_byte_regset, df_compute_accessed_bytes,
13380         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
13381         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
13382         df_byte_lr_simulate_uses,
13383         df_byte_lr_simulate_artificial_refs_at_top,
13384         df_byte_lr_simulate_artificial_refs_at_end,
13385         df_compute_accessed_bytes): New function.
13386         (df_ref_create): Add parameter.
13387         (df_byte_lr_get_bb_info): New inline function.
13388         * df-scan.c (df_ref_record, df_uses_record,
13389         df_ref_create_structure): Added mode parameter.
13390         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
13391         df_defs_record, df_uses_record, df_get_conditional_uses,
13392         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
13393         df_entry_block_defs_collect, df_exit_block_uses_collect):
13394         Added mode parameter to calls to df_ref_record, df_uses_record,
13395         df_ref_create_structure.
13396         (df_ref_equal_p, df_ref_compare): Added test for modes.
13397         (df_ref_create_structure): Added code to set mode.  Renamed
13398         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
13399         DF_REF_EXTRACT_OFFSET.
13400         * df-core.c (df_print_byte_regset): New function.
13401         * df-byte-scan.c: New file.
13402         * df-problems.c (df_rd_transfer_function): Removed unnecessary
13403         calls to BITMAP_FREE.
13404         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
13405         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
13406         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
13407         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
13408         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
13409         df_byte_lr_local_compute, df_byte_lr_init,
13410         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
13411         df_byte_lr_transfer_function, df_byte_lr_free,
13412         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
13413         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
13414         df_byte_lr_simulate_uses,
13415         df_byte_lr_simulate_artificial_refs_at_top,
13416         df_byte_lr_simulate_artificial_refs_at_end): New function.
13417         * dce.c (byte_dce_process_block): New function.
13418         (dce_process_block): au is now passed in rather than computed
13419         locally.  Changed loops that look at artificial defs to not look
13420         for conditional or partial ones, because there never are any.
13421         (fast_dce): Now is able to drive byte_dce_process_block or
13422         dce_process_block depending on the kind of dce being done.
13423         (rest_of_handle_fast_dce): Add parameter to fast_dce.
13424         (rest_of_handle_fast_byte_dce): New function.
13425         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
13426         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
13427
13428 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
13429
13430         PR fortran/35019
13431         * gcc.h: Added fortran options that take arguments to
13432         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
13433         macros.
13434
13435 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
13436
13437         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
13438         scalarization if on the LHS and not a full access.
13439
13440 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13441
13442         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
13443
13444 2008-04-18  Rafael Espindola  <espindola@google.com>
13445
13446         * tree-vrp.c (find_case_label_index): Fix the binary search.
13447         (find_case_label_range): New.
13448         (vrp_visit_switch_stmt): Use find_case_label_range.
13449         (simplify_switch_using_ranges): Use find_case_label_range.
13450
13451 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
13452
13453         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
13454         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
13455
13456 2008-04-18  Tom Tromey  <tromey@redhat.com>
13457
13458         PR libcpp/15500:
13459         * doc/cpp.texi (Implementation-defined behavior): Mention
13460         -finput-charset.
13461
13462 2008-04-18  Ian Lance Taylor  <iant@google.com>
13463
13464         * fold-const.c (pointer_may_wrap_p): New static function.
13465         (fold_comparison): Add another test for pointer overflow.  Use
13466         pointer_may_wrap_p to disable some false positives.
13467
13468 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
13469
13470         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
13471         (fname_as_string): Match updated cpp_interpret_string prototype.
13472         (fix_string_type): Support char16_t* and char32_t*.
13473         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
13474         derivative) nodes.  Register as builtin if C++0x.
13475         (c_parse_error): Support CPP_CHAR{16,32}.
13476         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
13477         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
13478         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
13479         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
13480         CTI_CHAR32_ARRAY_TYPE>: New elements.
13481         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
13482         char32_type_node, signed_char32_type_node, char16_array_type_node,
13483         char32_array_type_node): New defines.
13484         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
13485         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
13486         (lex_string): Support CPP_STRING{16,32}, match updated
13487         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
13488         (lex_charconst): Support CPP_CHAR{16,32}.
13489         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
13490         and CPP_STRING{16,32}.
13491
13492 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
13493
13494         PR bootstrap/35457
13495         * aclocal.m4: Regenerate.
13496         * configure: Regenerate.
13497
13498 2008-04-18  Jan Hubicka  <jh@suse.cz>
13499
13500         * except.c (dw2_size_of_call_site_table,
13501         sjlj_size_of_call_site_table): Use vector API for call_site_record.
13502
13503         * cgraphbuild.c (build_cgraph_edges): Update.
13504         * tree-pass.h: Update comment.
13505         * final.c (leaf_function_p): Update.
13506         (leaf_renumber_regs): Update.
13507         (rest_of_clean_state): Update.
13508         * omp-low.c (expand_omp_parallel): Update.
13509         * ipa-reference.c (analyze_function): Update.
13510         * reorg.c (find_end_label): Update.
13511         (optimize_skip): Update.
13512         (fill_simple_delay_slots): Update.
13513         (fill_simple_delay_slots): Update.
13514         (make_return_insns): Update.
13515         (dbr_schedule): Update.
13516         * gimple-low.c (record_vars_into): Update.
13517         * cfgbuild.c (make_edges): Update.
13518         * function.c (assign_stack_local): Update.
13519         (assign_parm_adjust_stack_rtl): Update.
13520         (locate_and_pad_parm): Update.
13521         (allocate_struct_function): Do not initialize stack_alignment_needed
13522         and preferred_stack_boundary here.
13523         (stack_protect_prologue): Update.
13524         (stack_protect_epilogue): Update.
13525         (expand_function_start): Initialize stack_alignment_needed,
13526         preferred_stack_boundary and max_jumptable_ents.
13527         (expand_function_end): Update.
13528         (free_after_compilation): Do not NULLify epilogue_delay_list.
13529         * function.h (struct rtl_data): Add stack_protect_guard,
13530         stack_alignment_needed,
13531         preferred_stack_boundary, epilogue_delay_list.
13532         (struct function): Remove value_histograms, stack_alignment_needed,
13533         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
13534         last_label_uid,
13535         unexpanded_var_list, stack_protect_guard.
13536         (current_function_epilogue_delay_list): Remove.
13537         * ipa-type-escape.c (analyze_function): Update.
13538         * gimplify.c (pop_gimplify_context): Update comment.
13539         * calls.c (expand_call): Update.
13540         (emit_library_call_value_1): Update.
13541         * except.c (set_nothrow_function_flags): Update.
13542         * cfgexpand.c (get_decl_align_unit): Update.
13543         (create_stack_guard): Update.
13544         (estimated_stack_frame_size): Update.
13545         (expand_used_vars): Update.
13546         (tree_expand_cfg): Free histogram earliers, init expansion variables.
13547         * explow.c (allocate_dynamic_stack_space): Update.
13548         * tree-ssa-live.c (remove_unused_locals): Update.
13549         * varasm.c (mark_constant_pool): Update.
13550         * tree-inline.c (remap_decls): Update.
13551         (initialize_cfun): Update.
13552         (declare_return_variable): Update.
13553         (inline_forbidden_p): Update.
13554         (expand_call_inline): Update.
13555         (declare_inline_vars): Update.
13556         (tree_function_versioning): Update.
13557         * tree-flow.h (value_histograms): New.
13558         (VALUE_HISTOGRAMS): New macro.
13559         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
13560         last_label_uid.
13561         * tree-cfg.c (set_bb_for_stmt): Update.
13562         (replace_by_duplicate_decl): Update.
13563         (move_block_to_fn): Update.
13564         (new_label_mapper): Update.
13565         (dump_function_to_file): Update.
13566         * ipa-struct-reorg.c (build_data_structure): Update.
13567         * cfgrtl.c (print_rtl_with_bb): Update.
13568         * reload1.c (reload): Update.
13569         (reload): Update.
13570         * config/i386/i386.c (setup_incoming_varargs_64,
13571         ix86_compute_frame_layout): Update.
13572         * config/arc/arc.c (arc_output_function_epilogue): Update.
13573
13574 2008-04-18  Marius Strobl <marius@FreeBSD.org>
13575
13576         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
13577         for FreeBSD as well.
13578         * gthr-posix95.h: Likewise.
13579
13580 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
13581
13582         PR rtl-optimization/35838
13583         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
13584         out the byte offset of the first subreg.
13585
13586 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
13587
13588         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
13589         to split_ti instead of three separate calls with single member arrays.
13590         (subti3 splitter): Ditto.
13591         (adddi3 splitter): Ditto with split_di.
13592         (subdi3 splitter): Ditto.
13593         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
13594         two separate calls with single member arrays.  Swap match_dup
13595         operands 1 and 2 to better fit into the array.
13596         (negdi2 splitter): Ditto with split_di.
13597         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
13598         two separate calls with single member arrays.  Swap match_dup operands
13599         6 and 7 to better fit into the array.
13600
13601 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
13602
13603         * config/i386/i386.c (sse_builtin_type): New.
13604         (bdesc_sse_args): Likewise.
13605         (bdesc_sse_3arg): Removed.
13606         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
13607         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
13608         IX86_BUILTIN_ROUNDPS.
13609         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
13610         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
13611         IX86_BUILTIN_ROUNDPS.
13612         (ix86_expand_sse_4_operands_builtin): Removed.
13613         (ix86_expand_sse_operands_builtin): New.
13614         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
13615         and CODE_FOR_sse4_1_roundps.
13616         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
13617         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
13618
13619 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
13620
13621         PR target/35907
13622         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
13623         regs before frame pop when needed.  If use_backchain_to_restore_sp
13624         then load backchain into a temp reg to restore vr and vrsave.  Add
13625         code to restore vr after frame pop if possible.
13626
13627 2008-04-17  Richard Guenther  <rguenther@suse.de>
13628
13629         * tree-vn.c (expressions_equal_p): Do not check type
13630         equality or compatibility before calling operand_equal_p.
13631         * fold-const.c (operand_equal_p): Check equivalence of
13632         integer constants before bailing out due to signedness or
13633         precision differences.
13634         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
13635         spurious differences in type qualification.  Ignore types
13636         for COMPONENT_REFs at all.
13637
13638 2008-04-17  Christian Bruel  <christian.bruel@st.com>
13639
13640         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
13641         msw_skip comparison.
13642
13643 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
13644
13645         PR c/35739
13646         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
13647         reg type.
13648
13649         PR tree-optimization/35899
13650         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
13651         rather than TREE_OPERAND.
13652
13653 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
13654
13655         PR target/35944
13656         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
13657         temporary registers.  Change operand predicate to general_operand.
13658         (remainderxf3): Ditto.
13659
13660 2008-04-16  Richard Guenther  <rguenther@suse.de>
13661
13662         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
13663         * tree-affine.c (aff_combination_expand): Look through some
13664         conversions.
13665
13666 2008-04-15  Doug Kwan  <dougkwan@google.com>
13667
13668         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
13669         for hex printing.
13670         * tree-pretty-print.c (dump_generic_node): Ditto.
13671         * final.c (output_addr_const): Ditto.
13672         * dwarf2out.c (output_cfi): Ditto.
13673         * c-pretty-print.c (pp_c_integer_constant): Ditto.
13674         * print-rtl.c (print_rtx): Ditto.
13675         * print-tree.c (print_node_brief, print_node): Ditto.
13676         * c-common.c (match_case_to_enum_1): Ditto.
13677         * sched-vis.c (print_value): Ditto.
13678         * config/i386/i386.c (print_operand): Cast to long unsigned int
13679         for hex printing.
13680
13681 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
13682         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
13683         MS Windows VirtualProtect function.
13684
13685 2008-04-15  Jan Hubicka  <jh@suse.cz>
13686
13687         * gengtype.c (write_root): Param_is argument is OK.
13688         * expr.c (expand_expr_real_1): Update call of get_exception_*.
13689         * function.h: Include varray.h
13690         (rtl_eh): New stucture based on except.c one.
13691         (call_site_record): New forward declaration and vector type.
13692         * calls.c (emit_call_1): Do not call
13693         note_current_region_may_contain_throw.
13694         * except.c (eh_status): Remove cur_region, try_region since they are
13695         unused.
13696         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
13697         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
13698         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
13699         Remove call_site_data_used, call_site_data_size.
13700         Turn call_site_record into vector in function.h.
13701         (note_current_region_may_contain_throw): Remove.
13702         (get_exception_pointer, get_exception_filter): Do not take struct
13703         function argument; update.
13704         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
13705         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
13706         build_post_landing_pads, dw2_build_landing_pads,
13707         sjlj_assign_call_site_values, sjlj_mark_call_sites,
13708         sjlj_emit_function_enter, sjlj_emit_function_enter,
13709         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
13710         sjlj_build_landing_pads, finish_eh_generation,
13711         remove_exception_handler_label, remove_eh_handler,
13712         maybe_remove_eh_handler, add_reachable_handler,
13713         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
13714         add_action_record, collect_one_action_chain, add_call_site,
13715         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
13716         sjlj_output_call_site_table, output_function_exception_table,
13717         * except.h (note_current_region_may_contain_throw): Remove
13718         (get_exception_pointer, get_exception_filter): Do not take struct
13719         function argument.
13720         * Makefile.in (GTFILES): Put varargs before struct function.
13721
13722 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
13723
13724         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
13725         punt for STRING_CST.
13726         (get_constraint_for): Deal with STRING_CST here instead.
13727
13728 2008-04-15  Richard Guenther  <rguenther@suse.de>
13729
13730         * tree-ssa-propagate.c (substitute_and_fold): Substitute
13731         statements in a basic-block with a backward walk.  Do not
13732         substitute into dead statements but instead remove those.
13733
13734 2008-04-15  Richard Guenther  <rguenther@suse.de>
13735
13736         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
13737         to zero, thus disable creation of SFTs.
13738
13739 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
13740
13741         * tree-predcom.c (suitable_reference_p): Return false if the
13742         reference can throw.
13743
13744 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
13745
13746         PR c/35751
13747         * c-decl.c (finish_decl): If extern or static var has variable
13748         size, set TREE_TYPE (decl) to error_mark_node.
13749
13750 2008-04-15  Rafael Espindola  <espindola@google.com>
13751
13752         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
13753         variable arg1.
13754
13755 2008-04-15  Richard Guenther  <rguenther@suse.de>
13756
13757         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
13758         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
13759         (visit_reference_op_load): Do walk vuse-vdef chains on
13760         vn_reference_lookup.
13761         (visit_reference_op_store): But do not here.
13762         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
13763         vn_reference_lookup.
13764         (vn_lookup_with_vuses): But do so here.
13765
13766 2008-04-14  Ian Lance Taylor  <iant@google.com>
13767
13768         * fold-const.c (fold_overflow_warning): Remove assertion.
13769
13770 2008-04-15  Ben Elliston  <bje@au.ibm.com>
13771
13772         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
13773         temp1 local variables.
13774
13775 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
13776
13777         PR target/35661
13778         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
13779         ".text.unlikely" section as executable.
13780
13781 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
13782
13783         * config/ia64/ia64.c (rtx_needs_barrier): Handle
13784         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
13785         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
13786         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
13787         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
13788         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
13789         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
13790
13791 2008-04-14  Ian Lance Taylor  <iant@google.com>
13792
13793         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
13794         * fold-const.c (fold_comparison): If appropriate, test
13795         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
13796         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
13797         reassociating a pointer type.
13798         * doc/invoke.texi (Optimize Options): Document that
13799         -fstrict-overflow applies to pointer wraparound.
13800
13801 2008-04-13  Jan Hubicka  <jh@suse.cz>
13802
13803         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
13804
13805 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
13806
13807         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
13808         we are going to "save the world".
13809
13810 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
13811
13812         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
13813         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
13814         operand 0 constraint, not "=".
13815
13816 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
13817
13818         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
13819
13820 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
13821
13822         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
13823         of size of positions_needed * CHAR_BIT.
13824
13825 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
13826
13827         PR middle-end/35897
13828         * dse.c (store_info): Change positions_needed to unsigned
13829         HOST_WIDE_INT.
13830         (lowpart_bitmask): New.
13831         (record_store): Cast to unsigned HOST_WIDE_INT for
13832         positions_needed.  Assert width <= size of positions_needed *
13833         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
13834         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
13835         lowpart_bitmask to set mask.
13836
13837 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
13838
13839         * config/bfin/constraints.md: New file.
13840         * config/bfin/bfin.md: Include it.
13841         (adddi3): Use satisfies_constraint functions instead of the old macros.
13842         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
13843         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
13844         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
13845         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
13846         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
13847         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
13848         EXTRA_CONSTRAINT): Delete.
13849         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
13850         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
13851         of the old macros.
13852         * config/bfin/bfin.c: Include "tm-constrs.h".
13853         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
13854         Use satisfies_constraint functions instead of the old macros.
13855         * doc/md.texi (Blackfin Constraints): Update file name reference.
13856
13857 2008-04-11  Richard Guenther  <rguenther@suse.de>
13858
13859         PR tree-optimization/35869
13860         * tree-vrp.c (execute_vrp): Move switch statement update after
13861         jump threading.  Schedule another cfg cleanup run.
13862
13863 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
13864
13865         PR c/35744
13866         * attribs.c (decl_attributes): Return early on errorneous node.
13867
13868 2008-04-10  Oleg Ryjkov  <olegr@google.com>
13869
13870         * tree.h (struct tree_base): Added a new flag default_def_flag.
13871         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
13872
13873 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
13874
13875         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
13876
13877 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13878
13879         PR target/35768
13880         * pa.md: Define mode iterator P.  Define mode attribute dwc.
13881         (dcacheflush): Update pattern to use iterator P and attribute dwc.
13882         (icacheflush): Likewise.
13883         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
13884         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
13885
13886 2008-04-11  Ben Elliston  <bje@au.ibm.com>
13887
13888         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
13889
13890 2008-04-10  Rafael Espindola  <espindola@google.com>
13891
13892         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
13893         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
13894         (extract_range_from_expr): The same.
13895
13896 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
13897
13898         * config/mips/mips.md (GPR2): New mode iterator.
13899         (seq): Add comment.
13900         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
13901         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
13902         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
13903         Rewrite these to take two modes, the mode of comparison and the
13904         mode of the destination.
13905         * config/mips/mips.c (mips_expand_scc): Instead of having
13906         paradoxical subreg as destination, expand "narrowing" scc if mode
13907         of comparison is SI and target is requested in DI mode.
13908         (mips_emit_int_order_test): Update comment.  Make mode of
13909         comparison match CMP0 rather than TARGET.  When creating inverse
13910         target use mode of TARGET.
13911
13912 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
13913
13914         * gcov-dump.c (tag_summary): Only print summaries for the first
13915         GCOV_COUNTERS_SUMMABLE counters.
13916
13917 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
13918
13919         * config/i386/i386.md (absneg): New code iterator.
13920         (absnegprefix): New code attribute.
13921         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
13922         patterns using absneg code iterator.
13923         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
13924         using absneg code iterator.
13925         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
13926         *neg<mode>2 patterns using absneg code iterator.
13927         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
13928         *negextendsfdf2 patterns using absneg code iterator.
13929         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
13930         *negextendsfxf2 patterns using absneg code iterator.
13931         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
13932         *negextendsfdf2 patterns using absneg code iterator.
13933         * config/i386/sse.md (<code><mode>2): Macroize expander from
13934         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
13935
13936 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
13937
13938         * config/s390/s390.h: Remove the remains of the recent search
13939         & replace action of current_function_outgoing_args_size.
13940
13941 2008-04-10  Ira Rosen  <irar@il.ibm.com>
13942
13943         PR tree-optimization/35821
13944         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
13945         NEW_STMT_LIST is not NULL.
13946
13947 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
13948
13949         PR libstdc++/35597
13950         * toplev.c (process_options): Remove -ffunction-sections debugging
13951         warning.
13952
13953 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
13954
13955         PR middle-end/PR28690
13956         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
13957         than gen_rtx_fmt_ee to perform more canonicalizations.
13958
13959 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13960
13961         PR driver/35665
13962         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
13963
13964 2008-04-09  Richard Guenther  <rguenther@suse.de>
13965
13966         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
13967         (dump_function_to_file): Dump function arguments with types.
13968
13969 2008-04-08  Richard Guenther  <rguenther@suse.de>
13970
13971         * fold-const.c (fold_widened_comparison): Do not allow
13972         sign-changes that change the result.
13973
13974 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
13975
13976         PR target/35839
13977         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
13978         kinds of indirect references.
13979
13980 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
13981
13982         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
13983         GNU Fortran language string.
13984
13985 2008-04-08  Rafael Espindola  <espindola@google.com>
13986
13987         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
13988         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
13989         * tree.h (tree_call_nonnegative_warnv_p): New.
13990
13991 2008-04-08  Jan Hubicka  <jh@suse.cz>
13992
13993         * function.c (free_after_compilation): Clear out regno_reg_rtx
13994         pointer.
13995
13996 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
13997
13998         Revert
13999         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14000
14001         PR middle-end/PR28690
14002         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
14003         same precedence as REG_POINTER and MEM_POINTER operands.
14004
14005 2008-04-08  Richard Guenther  <rguenther@suse.de>
14006
14007         PR middle-end/35834
14008         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
14009         for adding index to base.
14010
14011 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
14012
14013         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
14014         (MINGW_ENABLE_EXECUTE_STACK): New.
14015         (IN_LIBGCC2): For libgcc include windows.h file for
14016         function declarations.
14017
14018 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
14019
14020         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
14021         and tem2 if tem1 is not a REG or MULT.
14022
14023 2008-04-08  Jan Hubicka  <jh@suse.cz>
14024
14025         * function.h (incomming_args): Break out of struct function.
14026         (function_subsections): Break out of struct function.
14027         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
14028         return_rtx and hard_reg_initial_vals from struct function.
14029         Kill inl_max_label_num.
14030         (current_function_pops_args, current_function_args_info,
14031         current_function_args_size, current_function_args_size,
14032         current_function_pretend_args_size,
14033         current_function_outgoing_args_size,
14034         current_function_internal_arg_pointer, current_function_return_rtx):
14035         Kill compatibility accestor macros.
14036         * builtins.c (expand_builtin_apply_args_1): Update.
14037         (expand_builtin_next_arg): Update.
14038         * df-scan.c (df_get_call_refs): Update.
14039         * dbxout.c (dbxout_function_end): Update.
14040         * dwarf2out.c (dwarf2out_switch_text_section): Update.
14041         (output_line_info): Update.
14042         (secname_for_decl): Update.
14043         (dwarf2out_var_location): Update.
14044         * function.c (free_after_compilation): Update.
14045         (assign_parm_find_stack_rtl): Update.
14046         (assign_parms): Update.
14047         (expand_dummy_function_end): Update.
14048         (expand_function_end): Update.
14049         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
14050         (expand_call): Update.
14051         (emit_library_call_value_1): Update.
14052         (store_one_arg): Update.
14053         * varasm.c (initialize_cold_section_name): Update.
14054         (unlikely_text_section): Update.
14055         (unlikely_text_section_p): Update.
14056         (assemble_start_function): Update.
14057         (assemble_end_function): Update.
14058         (default_section_type_flags): Update.
14059         (switch_to_section): Update.
14060         * integrate.c (set_decl_abstract_flags): Update.
14061         (get_hard_reg_initial_val): Update.
14062         (has_hard_reg_initial_val): Update.
14063         (allocate_initial_values): Update.
14064         * resource.c (init_resource_info): Update.
14065         * config/alpha/alpha.c (NUM_ARGS): Update.
14066         (direct_return): Update.
14067         (alpha_va_start): Update.
14068         (alpha_sa_size): Update.
14069         (alpha_initial_elimination_offset): Update.
14070         (alpha_expand_prologue): Update.
14071         (alpha_start_function): Update.
14072         (alpha_expand_epilogue): Update.
14073         (unicosmk_initial_elimination_offset):
14074         * config/alpha/alpha.md (call expander): Update.
14075         * config/s390/s390.c (s390_register_info): Update.
14076         (s390_register_info): Update.
14077         (s390_frame_info): Update.
14078         (s390_initial_elimination_offset): Update.
14079         (s390_build_builtin_va_list): Update.
14080         (s390_va_start): Update.
14081         * config/spu/spu.c (direct_return): Update.
14082         (spu_expand_prologue): Update.
14083         (spu_initial_elimination_offset): Update.
14084         (spu_build_builtin_va_list): Update.
14085         (spu_va_start): Update.
14086         * config/sparc/sparc.c (sparc_init_modes): Update.
14087         (sparc_compute_frame_size): Update.
14088         (function_value): Update.
14089         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
14090         * config/i386/i386.md (return expander): Update.
14091         * config/i386/i386.c (ix86_va_start): Update.
14092         (ix86_can_use_return_insn_p): Update.
14093         (ix86_compute_frame_layout): Update.
14094         (ix86_expand_epilogue): Update.
14095         * config/sh/sh.c (output_stack_adjust): Update.
14096         (calc_live_regs): Update.
14097         (sh_expand_prologue): Update.
14098         (sh_builtin_saveregs): Update.
14099         (sh_va_start): Update.
14100         (initial_elimination_offset): Update.
14101         (sh_allocate_initial_value): Update.
14102         (sh_function_ok_for_sibcall): Update.
14103         (sh_get_pr_initial_val): Update.
14104         * config/sh/sh.md (return expander): Update.
14105         * config/avr/avr.c (frame_pointer_required_p): UPdate.
14106         * config/crx/crx.c (crx_compute_frame): UPdate.
14107         (crx_initial_elimination_offset): UPdate.
14108         * config/xtensa/xtensa.c (compute_frame_size): Update
14109         (xtensa_builtin_saveregs): Update.
14110         (xtensa_va_start): Update.
14111         (order_regs_for_local_alloc): Update.
14112         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
14113         (xstormy16_expand_builtin_va_start): Update.
14114         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
14115         * config/m68hc11/m68hc11.md (return expanders): Update.
14116         * config/m68hc11/m68hc11.c (expand_prologue): Update.
14117         (expand_epilogue): Update.
14118         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
14119         (cris_simple_epilogue): Update.
14120         (cris_expand_prologue): Update.
14121         (cris_expand_epilogue): Update.
14122         * config/iq2000/iq2000.c (iq2000_va_start): Update.
14123         (compute_frame_size): Update.
14124         * config/mt/mt.c (mt_compute_frame_size): Update.
14125         * config/mn10300/mn10300.c (expand_prologue): Update.
14126         (expand_epilogue): Update.
14127         (initial_offset): Update.
14128         (mn10300_builtin_saveregs):
14129         * config/mn10300/mn10300.md (return expander): Update.
14130         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
14131         (ia64_initial_elimination_offset): Update.
14132         (ia64_initial_elimination_offset): Update.
14133         (ia64_expand_prologue): Update.
14134         * config/m68k/m68k.md (return expander): Update.
14135         * config/rs6000/rs6000.c (rs6000_va_start): Update.
14136         (rs6000_stack_info): Update.
14137         * config/mcore/mcore.c (layout_mcore_frame): Update.
14138         (mcore_expand_prolog): Update.
14139         * config/arc/arc.c (arc_compute_frame_size): Update.
14140         * config/score/score3.c (score3_compute_frame_size): Update.
14141         * config/score/score7.c (score7_compute_frame_size): Update.
14142         * config/arm/arm.c (use_return_insn): Update.
14143         (thumb_find_work_register): Update.
14144         (arm_compute_save_reg_mask): Update.
14145         (arm_output_function_prologue): Update.
14146         (arm_output_epilogue): Update.
14147         (arm_size_return_regs): Update.
14148         (arm_get_frame_offsets): Update.
14149         (arm_expand_prologue): Update.
14150         (thumb_exit): Update.
14151         (thumb_unexpanded_epilogue): Update.
14152         (thumb1_output_function_prologue): Update.
14153         * config/pa/pa.md (return expander): Update.
14154         * config/pa/pa.c (compute_frame_size): Update.
14155         (hppa_builtin_saveregs): Update.
14156         * config/mips/mips.c (mips_va_start): Update.
14157         (mips16_build_function_stub): Update.
14158         (mips_compute_frame_info): Update.
14159         (mips_restore_gp): Update.
14160         (mips_output_function_prologue): Update.
14161         (mips_expand_prologue): Update.
14162         * config/v850/v850.c (compute_frame_size): Update.
14163         (expand_prologue): * config/mmix/mmix.c (along): update.
14164         (mmix_initial_elimination_offset): update.
14165         (mmix_reorg): update.
14166         (mmix_use_simple_return): update.
14167         (mmix_expand_prologue): update.
14168         (mmix_expand_epilogue): Update.
14169         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
14170         (emit_link_insn): Update.
14171
14172 2008-04-08  Anatoly Sokolov <aesok@post.ru>
14173
14174         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
14175         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
14176         instructions.
14177         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
14178         atmega103 device.
14179
14180 2008-04-07  Jan Hubicka  <jh@suse.cz>
14181
14182         * function.h (rtl): Rename to x_rtl.
14183         (crtl): New define.
14184         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
14185         frame_offset, stack_check_probe_note, arg_pointer_save_area,
14186         used_temp_slots avail_temp_slots, temp_slot_level,
14187         nonlocal_goto_handler_labels): Update accesstors.
14188         (rtl): New global variable.
14189         (struct function): Move some fileds to rtl_data.
14190         (get_arg_pointer_save_area): Update prototype.
14191         * builtins.c (expand_builtin_setjmp_receiver): Update call of
14192         get_arg_pointer_save_area.
14193         * expr.c (init_expr): Update
14194         * function.c (get_frame_size): Update
14195         (assign_stack_local): Update
14196         (expand_function_end): Update.
14197         (get_art_pointer_save_area): Update
14198         * function.h
14199         * emit-rtl.c (rtl): Declare.
14200         (regno_reg_rtx): Declare.
14201         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
14202         Update.
14203         (gen_reg_rtx): Update.
14204         * varasm.c (n_deferred_constatns): Update accestor.
14205         (init_varasm_status): Do not allocate varasm_status.
14206         (force_const_mem, get_pool_size, output_constant_pool): Update.
14207         * stmt.c (force_label_rtx): Do not use x_ prefixes.
14208         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
14209         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
14210         * sparc/sparc.h (INIT_EXPANDERS): Update.
14211         * ia64/ia64.h (INIT_EXPANDERS): Update.
14212
14213 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
14214
14215         * reload.c (push_secondary_reload): Add missing break to for loop.
14216
14217 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14218
14219         PR middle-end/PR28690
14220         * rtlanal.c: Update copyright years.
14221         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
14222         as REG_POINTER and MEM_POINTER operands.
14223         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
14224         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
14225         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
14226         * gcse.c: Update copyright years.
14227         (pre_delete): Call gen_reg_rtx_and_attrs.
14228         (hoist_code): Likewise.
14229         (build_store_vectors): Likewise.
14230         (delete_store): Likewise.
14231         * loop-invariant.c (move_invariant_reg): Likewise.
14232         Update copyright years.
14233
14234 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
14235
14236         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
14237         control string instead of quoted.
14238
14239 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
14240
14241         * doc/rtl.texi: Rewrite of subreg section.
14242
14243 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
14244
14245         PR/35842
14246         * config/i386/i386.c (legitimize_pic_address): Add treating
14247         of dllimport SYM_REF's.
14248         (legitimize_dllimport_symbol): Add prototype.
14249
14250 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14251
14252         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
14253         reference in constructor with non self-referential type.
14254
14255 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14256
14257         Removal of Return with Depressed Stack Pointer support
14258         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
14259         (ECF_SP_DEPRESSED): Likewise.
14260         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
14261         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
14262         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14263         (expand_call): Do not test ECF_SP_DEPRESSED.
14264         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14265         * function.c (keep_stack_depressed): Delete.
14266         (handle_epilogue_set): Likewise.
14267         (update_epilogue_consts): Likewise.
14268         (emit_equiv_load): Likewise.
14269         (thread_prologue_and_epilogue_insns): Remove support for Return with
14270         Depressed Stack Pointer.
14271         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14272
14273 2008-04-06  Richard Guenther  <rguenther@suse.de>
14274
14275         PR tree-optimization/35400
14276         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
14277         information from SSA_NAMEs.
14278
14279 2008-04-06  Anatoly Sokolov <aesok@post.ru>
14280
14281         * config/avr/avr.h (avr_mega_p): Remove declaration.
14282         (AVR_MEGA): Remove macro.
14283         * config/avr/avr.c (avr_mega_p): Remove variable.
14284         (avr_override_options): Remove inicializion of avr_mega_p.
14285         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
14286         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
14287         (avr_jump_mode): (Ditto.).
14288         (avr_output_progmem_section_asm_op): (Ditto.).
14289         (avr_asm_init_sections): (Ditto.).
14290         (avr_asm_init_sections): (Ditto.).
14291         (avr_rtx_costs): (Ditto.).
14292         * config/avr/avr.md: (Ditto.).
14293         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
14294         '__AVR_MEGA__'.
14295
14296 2008-04-06  Richard Guenther  <rguenther@suse.de>
14297
14298         PR tree-optimization/35842
14299         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
14300         is_gimple_invariant_address.
14301
14302 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
14303
14304         * gcc.c (default_compilers): Sync Fortran extensions list with
14305         that in fortran/lang-specs.h.
14306         * doc/invoke.texi: Likewise.
14307         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
14308         * dwarf2out.c (gen_compile_unit_die): Likewise.
14309
14310 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
14311
14312         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
14313
14314 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
14315
14316         PR target/12329
14317         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
14318         attribute is used for nested functions.
14319
14320 2008-04-05  Jan Hubicka  <jh@suse.cz>
14321
14322         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
14323
14324         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
14325         letter argument.
14326         (dump_files): Update.
14327         (enable_rtl_dump_file): Do not accept letter argument.
14328         * tree-pass.h (dump_file_info): Remove letter argument.
14329         * toplev.c (decode_d_option): Update -da handling.
14330         * toplev.h (enable_rtl_dump_file): Update prototype.
14331         * passes.c (register_one_dump_file): Do not accept IPA argument; work
14332         it out based on pass type.
14333         (register_dump_files_1): Likewise.
14334         (init_optimization_passes): Update register_one_dump_file calls.
14335         (execute_one_pass): Sanity check that IPA passes are called at IPA
14336         level and RTL passes at RTL level.
14337         (execute_pass_list): IPA pass can not be after or subpass of
14338         GIMPLE/RTL pass.
14339         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
14340         disallov RTL subpasses of IPA subpasses.
14341
14342 2008-04-05  Ben Elliston  <bje@au.ibm.com>
14343
14344         * tree-cfg.c (need_fake_edge_p): Return false for calls to
14345         builtins that return exactly once and do not throw. Cache call to
14346         call_expr_flags.
14347
14348 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
14349
14350         PR rtl-optimization/34916
14351         PR middle-end/35519
14352         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
14353         between instruction pairs.
14354
14355 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
14356
14357         * doc/invoke.texi: Document -mbitops for SH.
14358         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
14359         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
14360         * config/sh/sh.c (print_operand): Add %t operand code.
14361         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
14362         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
14363         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
14364         (extendqihi2): Likewise.
14365         (movqi_i): Likewise.
14366         (insv): Use bset, bclr and bst instructions for SH2A if possible.
14367         (extv): Use bld instruction for SH2A if possible.
14368         (extzv): Likewise.
14369         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
14370         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
14371         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
14372         (bset.b, bclr.b): Define peepholes.
14373         * config/sh/sh.opt (mbitops): New option.
14374
14375 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
14376
14377         PR target/35620
14378         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
14379         and view convert expression.
14380
14381 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
14382
14383         PR target/35364
14384         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
14385
14386 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
14387
14388         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
14389
14390         * config/i386/cpuid.h (bit_AES): New.
14391         (bit_PCLMUL): Likewise.
14392
14393         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
14394         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
14395         SSE2 if AES or PCLMUL is enabled.
14396         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
14397         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
14398         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
14399         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
14400         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
14401         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
14402         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
14403         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
14404         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
14405         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
14406         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
14407         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
14408         __builtin_ia32_aeskeygenassist128 and
14409         __builtin_ia32_pclmulqdq128.
14410         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
14411         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
14412         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
14413
14414         * config/i386/i386.h (TARGET_AES): New.
14415         (TARGET_PCLMUL): Likewise.
14416         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
14417
14418         * config/i386/i386.md (UNSPEC_AESENC): New.
14419         (UNSPEC_AESENCLAST): Likewise.
14420         (UNSPEC_AESDEC): Likewise.
14421         (UNSPEC_AESDECLAST): Likewise.
14422         (UNSPEC_AESIMC): Likewise.
14423         (UNSPEC_AESKEYGENASSIST): Likewise.
14424         (UNSPEC_PCLMUL): Likewise.
14425
14426         * config/i386/i386.opt (maes): New.
14427         (mpclmul): Likewise.
14428
14429         * config/i386/sse.md (aesenc): New pattern.
14430         (aesenclast): Likewise.
14431         (aesdec): Likewise.
14432         (aesdeclast): Likewise.
14433         (aesimc): Likewise.
14434         (aeskeygenassist): Likewise.
14435         (pclmulqdq): Likewise.
14436
14437         * config/i386/wmmintrin.h: New.
14438
14439         * doc/extend.texi: Document AES and PCLMUL built-in function.
14440
14441         * doc/invoke.texi: Document -maes and -mpclmul.
14442
14443 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
14444
14445         * function.c (free_after_parsing): Replace with
14446         cxx_push_function_context from C++ front-end.
14447         (allocate_struct_function): Don't call langhook.
14448         * langhooks.h (struct lang_hooks_for_functions): Delete.
14449         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
14450         member "function".
14451         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
14452         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
14453         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
14454         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
14455         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
14456         remove LANG_HOOKS_FUNCTION_INITIALIZER.
14457         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
14458
14459         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
14460         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
14461
14462 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
14463
14464         PR c/35440
14465         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
14466         for all types.
14467
14468 2008-04-04  Richard Guenther  <rguenther@suse.de>
14469
14470         PR middle-end/35823
14471         * fold-const.c (optimize_minmax_comparison): Use the correct
14472         type for the constant in the simplified comparison.
14473
14474 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
14475
14476         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
14477         Pass L2 size as "--param l2-cache-size" to the compiler.
14478         (decode_l2_cache): New function to decode L2 cache parameters using
14479         0x8000006 extended cpuid function.
14480         (detect_caches_amd): Determine parameters of L2 cache using
14481         decode_l2_caches function.
14482         (decode_caches_intel): Decode L2 cache parameters.
14483         (detect_caches_intel): Determine L2 cache parameters using
14484         decode_caches_intel and decode_l2_caches functions.
14485
14486 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
14487
14488         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
14489         secondary input reload for subword loads from the constant pool.
14490
14491 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
14492
14493         PR target/35713
14494         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
14495           constants of the appropriate size for runtime calculations.
14496
14497         PR c/35712
14498         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
14499           decimal-float literal constant zero.
14500
14501 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
14502
14503         PR c/35738
14504         * c-parser.c (c_parser_omp_atomic): Call
14505         default_function_array_conversion on the RHS.
14506
14507         PR middle-end/35818
14508         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
14509         call is_variable_sized if decl has incomplete type.
14510
14511 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
14512
14513         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
14514
14515 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
14516
14517         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
14518         iterators.
14519         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
14520         (sgt<u>): Merge sgt and sgtu into new expander.
14521         (sgt, sgtu): Remove expanders.
14522         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
14523         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
14524         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
14525         *sgtu_<mode>_mips16 into new pattern.
14526         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
14527         (sge<u>): Merge sge and sgeu into new expander.
14528         (sge, sgeu): Remove expanders.
14529         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
14530         new pattern.
14531         (*sge_<mode>, second *sge_<mode>): Remove patterns.
14532         (slt<u>): Merge slt and sltu into new expander.
14533         (slt, sltu): Remove expanders.
14534         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
14535         (*slt_<mode>, *sltu_<mode>): Remove patterns.
14536         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
14537         *sltu_<mode>_mips16 into new pattern.
14538         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
14539         (sle<u>): Merge sle and sleu into new expander.
14540         (sle, sleu): Remove expanders.
14541         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
14542         (*sle_<mode>, *sleu_<mode>): Remove patterns.
14543         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
14544         *sleu_<mode>_mips16 into new pattern.
14545         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
14546
14547 2008-04-03  Jan Hubicka  <jh@suse.cz>
14548
14549         PR tree-optimization/35795
14550         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
14551         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
14552         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
14553         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
14554         * score/score3.c (score3_output_mi_thunk): Likewise.
14555         * score/score7.c (score7_output_mi_thunk): Likewise.
14556         * mips/mips.c (mips_output_mi_thunk): Likewise.
14557
14558 2008-04-03  Richard Guenther  <rguenther@suse.de>
14559
14560         * tree-vrp.c (extract_range_from_unary_expr): Handle all
14561         conversions.  Simplify code.
14562
14563 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
14564
14565         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
14566
14567 2008-04-03  Tom Tromey  <tromey@redhat.com>
14568             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14569
14570         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
14571         * config/bfin/t-bfin-linux (generated_files): Add
14572         linux-sysroot-suffix.h.
14573         * doc/install.texi (Prerequisites): Require make 3.80.
14574         * doc/sourcebuild.texi (Front End Directory): Document new
14575         variable.
14576         * Makefile.in (generated_files): New variable.
14577         (ALL_HOST_OBJS): New variable.
14578         ($(ALL_HOST_OBJS)): New target.
14579
14580 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
14581
14582         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
14583         (remap_block): Call id->transform_lang_insert_block instead
14584         of langhook.
14585         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
14586         Set id.transform_lang_insert_block to NULL.
14587         (clone_body): Move to cp/optimize.c
14588         * tree-inline.h (struct copy_body_data): Change
14589         transform_lang_insert_block to function pointer.
14590         (copy_generic_body, copy_decl_no_change): Export.
14591         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
14592         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
14593         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
14594
14595         * c-tree.h (insert_block): Kill.
14596         * c-decl.c (insert_block): Kill.
14597
14598 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
14599
14600         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
14601         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
14602         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
14603         argument.
14604         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
14605         argument, call {push,pop}_function_context from here.
14606         * c-parser.c: Use c_{push,pop}_function_context.
14607
14608         * function.c (push_function_context_to): Move meat ...
14609         (push_function_context): ... here.  Simplify.
14610         * function.c (pop_function_context_from): Move meat ...
14611         (pop_function_context): ... here.  Simplify.
14612         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
14613         leave_nested).
14614         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
14615         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
14616         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
14617         * tree.h (push_function_context_to, pop_function_context_from): Remove.
14618
14619 2008-04-03  Ben Elliston  <bje@au.ibm.com>
14620
14621         * expmed.c (extract_force_align_mem_bit_field): Remove.
14622
14623 2008-04-03  Richard Guenther  <rguenther@suse.de>
14624
14625         PR middle-end/35800
14626         * expr.h (try_casesi): Adjust prototype.
14627         * expr.c (try_casesi): Take fallback label as extra parameter.
14628         Use that for gen_casesi if default_label is NULL.
14629         * stmt.c (expand_case): Pass fallback label to try_casesi,
14630         make sure to fill gaps with a fallback label if default_label
14631         is not present.
14632
14633 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
14634
14635         PR target/35801
14636         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
14637
14638 2008-04-03  Ben Elliston  <bje@au.ibm.com>
14639
14640         * expmed.c (extract_split_bit_field): Remove if (0) code.
14641         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
14642         (do_ds_constraint): Likewise.
14643
14644 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
14645
14646         * doc/cppopts.texi (-dU): Document.
14647         * c-common.h (flag_dump_macros): Update comment.
14648         * c-opts.c (handle_OPT_d): Handle -dU.
14649         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
14650         dump_queued_macros, cb_used_define, cb_used_undef): New.
14651         (init_pp_output): Handle -dU.
14652         (cb_line_change): Call dump_queued_macros.
14653         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
14654
14655 2008-04-02  Anatoly Sokolov <aesok@post.ru>
14656
14657         * config/avr/predicates.md (io_address_operand): New predicate.
14658         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
14659         * config/avr/avr.c (avr_io_address_p): Remove function.
14660         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
14661         'avr_io_address_p' function.
14662         (out_movhi_r_mr): (Ditto.).
14663         (out_movqi_mr_r): (Ditto.).
14664         (out_movhi_mr_r): (Ditto.).
14665         (avr_address_cost): (Ditto.).
14666
14667 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
14668
14669         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
14670         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
14671         in 32bit mode when XMM registers are available to avoid store
14672         forwarding stalls.
14673         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
14674         corresponding post-reload splitters.
14675
14676 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
14677
14678         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
14679         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
14680         __builtin_ia32_roundss.
14681         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
14682         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
14683         __builtin_ia32_roundss.
14684         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
14685         IX86_BUILTIN_SHUFPD here.
14686
14687 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
14688
14689         * config/i386/i386.md (plogic): New.
14690         (plogicprefix): Likewise.
14691
14692         * config/i386/mmx.md (mmx_<code><mode>3): New.
14693         (mmx_and<mode>3): Removed.
14694         (mmx_ior<mode>3): Likewise.
14695         (mmx_xor<mode>3): Likewise.
14696
14697         * config/i386/sse.md (<code><mode>3): New.
14698         (*<code><mode>3): Likewise.
14699         (*<code><mode>3): Likewise.
14700         (<code><mode>3): Likewise.
14701         (*sse_<code><mode>3): Likewise.
14702         (*sse2_<code><mode>3): Likewise.
14703         (<code>tf3): Likewise.
14704         (*<code>tf3): Likewise.
14705         (and<mode>3): Likewise.
14706         (*and<mode>3): Likewise.
14707         (ior<mode>3): Removed.
14708         (*ior<mode>3): Likewise.
14709         (xor<mode>3): Likewise.
14710         (*xor<mode>3): Likewise.
14711         (*and<mode>3): Likewise.
14712         (*ior<mode>3): Likewise.
14713         (*xor<mode>3): Likewise.
14714         (and<mode>3): Likewise.
14715         (*sse_and<mode>3): Likewise.
14716         (*sse2_and<mode>3): Likewise.
14717         (andtf3): Likewise.
14718         (*andtf3): Likewise.
14719         (ior<mode>3): Likewise.
14720         (*sse_ior<mode>3): Likewise.
14721         (*sse2_ior<mode>3): Likewise.
14722         (iortf3): Likewise.
14723         (*iortf3): Likewise.
14724         (xor<mode>3): Likewise.
14725         (*sse_xor<mode>3): Likewise.
14726         (*sse2_xor<mode>3): Likewise.
14727         (xortf3): Likewise.
14728         (*xortf3): Likewise.
14729
14730 2008-04-02  Richard Guenther  <rguenther@suse.de>
14731
14732         PR tree-optimization/14495
14733         PR tree-optimization/34793
14734         * tree-vrp.c (struct switch_update): New structure.
14735         (to_remove_edges, to_update_switch_stmts): New VECs.
14736         (simplify_switch_using_ranges): New function.  Remove not taken
14737         case labels and edges.
14738         (simplify_stmt_using_ranges): Call it.
14739         (identify_jump_threads): Mark edges we have queued for removal
14740         so we don't thread them.
14741         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
14742         case label vector.
14743         * tree-cfg.c (group_case_labels): Deal with missing default label.
14744         (tree_verify_flow_info): Allow missing default label.
14745         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
14746         (emit_case_nodes): Likewise.
14747         (expand_case): Do not rely on the default label to be present.
14748         * expr.c (try_casesi): Deal with NULL default_label.
14749         (do_tablejump): Likewise.
14750
14751 2008-04-02  Richard Guenther  <rguenther@suse.de>
14752
14753         PR tree-optimization/14495
14754         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
14755         SWITCH_EXPR here ...
14756         (vrp_visit_switch_stmt): ... but here (new function).
14757         (find_case_label_index): New helper function.
14758         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
14759
14760 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14761
14762         * fwprop.c: Fix ISO-C99ism.
14763
14764 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14765
14766         PR bootstrap/35752
14767         * Makefile.in (objdir): Set it here.
14768         * configure.ac: Not here.  Find dynamic linker characteristics.
14769         * exec-tool.in: Use them.
14770         * aclocal.m4: Regenerate.
14771         * configure: Regenerate.
14772
14773 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14774
14775         * expr.c (expand_var): Delete it.
14776         * expr.h (expand_var): Delete prototype.
14777         * function.c (expand_function_start): Use expand_decl instead.
14778         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
14779         langhook.
14780
14781 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
14782
14783         PR rtl-optimization/35542
14784         * fwprop.c (forward_propagate_and_simplify): Replace
14785         loc_reg_mentioned_in_p with reg_mentioned_p.
14786
14787 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14788
14789         PR rtl-optimization/35281
14790         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
14791         (propagate_rtx_1): Handle PR_HANDLE_MEM.
14792         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
14793         (varying_mem_p): Move above propagate_rtx.
14794         (all_uses_available_at): Do not check MEMs.
14795
14796 2008-04-02  Rafael Espindola  <espindola@google.com>
14797
14798         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
14799         (register_edge_assert_for_2): Split the cond argument.
14800         (register_edge_assert_for_1): Adjust for the change in
14801         register_edge_assert_for_2.
14802         (register_edge_assert_for): Split the cond argument.
14803         (find_switch_asserts): Adjust for the change in
14804         register_edge_assert_for.
14805
14806 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
14807
14808         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
14809         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
14810         offsets for 64-bit mingw.
14811         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
14812         abi for x86_64-pc-mingw.
14813
14814 2008-04-02  Richard Guenther  <rguenther@suse.de>
14815
14816         * tree-vrp.c (extract_range_from_assert): Make sure to not
14817         produce range min/max with TREE_OVERFOW set.
14818         If merging a anti-range and a range keep the anti-range if
14819         the range covers all values of the type.
14820         (register_edge_assert_for_2): Only allow sign-changing
14821         conversions in detecting canonical range checks.  Also
14822         register an assert for the unsigned name if useful.
14823
14824         PR tree-optimization/35787
14825         * tree-vrp.c (vrp_val_max): New function.
14826         (vrp_val_min): Likewise.
14827         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
14828         (vrp_val_is_min): Likewise.
14829         (supports_overflow_infinity): Use vrp_val_{min,max}.
14830         (negative_overflow_infinity): Likewise.
14831         (positive_overflow_infinity): Likewise.
14832         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
14833         (is_positive_overflow_infinity): Likewise.
14834         (is_overflow_infinity): Likewise.
14835         (avoid_overflow_infinity): Use vrp_val_{min,max} and
14836         vrp_val_is_{min,max}.
14837         (set_and_canonicalize_value_range): Canonicalize anti-ranges
14838         to ranges if possible.  Avoid empty ranges.
14839
14840 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14841
14842         PR middle-end/35705
14843         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
14844         the expression is a function address.
14845
14846 2008-04-01  George Helffrich  <george@gcc.gnu.org>
14847
14848         PR fortran/35154, fortran/23057
14849         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
14850         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
14851         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
14852         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
14853         in common.
14854         (dbxout_syms): Check for COMMON-based symbol and wrap in
14855         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
14856         in bracket for efficiency.
14857
14858         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
14859         using DW_TAG_common_block + member offset.
14860         (add_pubname_string): New function.
14861         (dw_expand_expr): New function to find block name and offset for
14862         COMMON var.
14863         (common_check): New function to check whether symbol in Fortran COMMON.
14864         (gen_variable_die): If COMMON, use DW_TAG_common_block.
14865
14866 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
14867
14868         PR c/35436
14869         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
14870
14871 2008-04-02  Ben Elliston  <bje@au.ibm.com>
14872
14873         * config/v850/v850.md (casesi): Remove if (0) code.
14874         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
14875         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
14876
14877 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
14878
14879         * config/i386/i386.md (rex64suffix): New mode attribute.
14880         (floathi<mode>2): Disable expander for SSE math.
14881         (*floathi<mode>2_1): New insn insn_and_split pattern.
14882         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
14883         corresponding post-reload splitters.
14884         (*floathi<mode>2_i387): New macroized insn pattern.
14885         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
14886         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
14887         insn_and_split pattern.
14888         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
14889         New macroized instruction patterns and corresponding post-reload
14890         splitters.
14891         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
14892         and corresponding post-reload splitters.
14893         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
14894         New macroized instruction patterns.
14895         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
14896         macroized instruction patterns and corresponding post-reload splitters.
14897         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
14898         corresponding post-reload splitters.
14899         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
14900         New macroized instruction patterns.
14901         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
14902         corresponding post-reload splitters.
14903         (*floatsi<mode>2_i387): New macroized instruction patterns.
14904
14905 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
14906
14907         * config/i386/i386.md (smaxmin): New.
14908         (umaxmin): Likewise.
14909         (maxminiprefix): Likewise.
14910         (maxminfprefix): Likewise.
14911         (<code><mode>3): Likewise.
14912         (smin<mode>3): Removed.
14913         (smax<mode>3): Likewise.
14914
14915         * config/i386/mmx.md (mmx_<code>v2sf3): New.
14916         (mmx_<code>v4hi3): Likewise.
14917         (mmx_<code>v8qi3): Likewise.
14918         (mmx_smaxv2sf3): Removed.
14919         (mmx_sminv2sf3): Likewise.
14920         (mmx_umaxv8qi3): Likewise.
14921         (mmx_smaxv4hi3): Likewise.
14922         (mmx_uminv8qi3): Likewise.
14923         (mmx_sminv4hi3): Likewise.
14924
14925         * config/i386/sse.md (<addsub><mode>3): New.
14926         (*<addsub><mode>3): Likewise.
14927         (<sse>_vm<addsub><mode>3): Likewise.
14928         (<maxmin><mode>3): Likewise.
14929         (*<maxmin><mode>3_finite): Likewise.
14930         (*<maxmin><mode>3): Likewise.
14931         (<sse>_vm<maxmin><mode>3): Likewise.
14932         (sse3_h<addsub>v4sf3): Likewise.
14933         (sse3_h<addsub>v2df3): Likewise.
14934         (<maxmin>v16qi3): Likewise.
14935         (*<maxmin>v16qi3): Likewise.
14936         (<maxmin>v8hi3): Likewise.
14937         (*<maxmin>v8hi3): Likewise.
14938         (*sse4_1_<maxmin><mode>3): Likewise.
14939         (*sse4_1_<maxmin><mode>3): Likewise.
14940         (add<mode>3): Removed.
14941         (*add<mode>3): Likewise.
14942         (<sse>_vmadd<mode>3): Likewise.
14943         (sub<mode>3): Likewise.
14944         (*sub<mode>3): Likewise.
14945         (<sse>_vmsub<mode>3): Likewise.
14946         (smin<mode>3): Likewise.
14947         (*smin<mode>3_finite): Likewise.
14948         (*smin<mode>3): Likewise.
14949         (<sse>_vmsmin<mode>3): Likewise.
14950         (smax<mode>3): Likewise.
14951         (*smax<mode>3_finite): Likewise.
14952         (*smax<mode>3): Likewise.
14953         (<sse>_vmsmax<mode>3): Likewise.
14954         (sse3_haddv4sf3): Likewise.
14955         (sse3_haddv2df3): Likewise.
14956         (sse3_hsubv4sf3): Likewise.
14957         (sse3_hsubv2df3): Likewise.
14958         (umaxv16qi3): Likewise.
14959         (*umaxv16qi3): Likewise.
14960         (smaxv8hi3): Likewise.
14961         (*smaxv8hi3): Likewise.
14962         (*sse4_1_smax<mode>3): Likewise.
14963         (*sse4_1_umax<mode>3): Likewise.
14964         (uminv16qi3): Likewise.
14965         (*uminv16qi3): Likewise.
14966         (sminv8hi3): Likewise.
14967         (*sminv8hi3): Likewise.
14968         (*sse4_1_smin<mode>3): Likewise.
14969         (*sse4_1_umin<mode>3): Likewise.
14970
14971 2008-04-01  Rafael Espindola  <espindola@google.com>
14972
14973         * tree-cfg.c (verify_expr): remove in_phi.
14974         (verify_stmt): Don't call walk_tree with verify_expr. Use
14975         is_gimple_min_invariant instead of is_gimple_val.
14976
14977 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
14978
14979         * doc/include/gpl_v3.texi: Update for manpage generation.
14980         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
14981         gpl.texi.
14982         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
14983         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
14984         gpl_v3.texi instead of gpl.texi.
14985         (gpl.pod): New.
14986
14987 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
14988
14989         PR pch/13675
14990         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
14991
14992 2008-04-01  Rafael Espindola  <espindola@google.com>
14993
14994         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
14995         (extract_code_and_val_from_cond): Use
14996         extract_code_and_val_from_cond_with_ops.
14997
14998 2008-04-01  Jan Hubicka  <jh@suse.cz>
14999
15000         * function.c (free_after_compilation): Free epilogue_delay_list.
15001         (prepare_function_start): Assert that previous compilation was freed.
15002
15003 2008-04-01  Jan Hubicka  <jh@suse.cz>
15004             Jim Wilson  <wilson@tuliptree.org>
15005             Andreas Tobler <andreast@gcc.gnu.org>
15006
15007         PR middle-end/35781
15008         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
15009         rtl.emit instead cfun->emit.
15010         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
15011         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
15012
15013 2008-04-01  Ben Elliston  <bje@au.ibm.com>
15014
15015         * doc/c-tree.texi (Function Basics): Fix grammatical error.
15016
15017 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
15018
15019         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
15020         New options
15021         (fprofile-use): Add var flag_profile_use
15022         * coverage.c (coverage_begin_output): Do not open a gcno file for
15023         output only if -ftest-coverage is set.
15024         Do not add getpwd() to gcda file path.
15025         (build_gcov_info): Check the new flag
15026         flag_profile_datafile_relative_path.
15027         (coverage_init): Use profile_data_prefix.
15028         Read profile counter only if flag_profile_use is set.
15029         * opts.c (common_handle_option): New option fprofile-use=,
15030         fprofile-dir=, fprofile-generate=.
15031         * toplev.c (profile_data_prefix): New variable definition.
15032         * toplev.h (profile_data_prefix): New declaration.
15033         * doc/invoke.tex (Option Summary, Optimization Options):
15034         Add new options.
15035
15036 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
15037
15038         * varasm.c (output_constant_pool_1): In LABEL_REF check,
15039         use tmp consistently.
15040
15041         PR target/35695
15042         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
15043         * config/ia64/ia64.c (rtx_needs_barrier): Handle
15044         UNSPEC_FR_RECIP_APPROX_RES.
15045         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
15046
15047 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
15048
15049         PR c/35750
15050         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
15051
15052 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15053
15054         PR middle-end/30186
15055         * fold-const.c (fold_indirect_ref_1): Support accessing non first
15056         element of the vector via a pointer.
15057
15058 2008-03-31  Ian Lance Taylor  <iant@google.com>
15059
15060         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
15061
15062 2008-03-31  Jan Hubicka  <jh@suse.cz>
15063
15064         * builtins.c (expand_builtin_setjmp_receiver): Update call of
15065         get_arg_pointer_save_area.
15066         * expr.c (init_expr): Just clear out rtl.expr.
15067         * function.c (free_after_compilation): Clear out whole RTL structure.
15068         (get_func_frame_size): Merge into ...
15069         (get_frame_size): ... this one.
15070         (assign_stack_local_1): Merge into ...
15071         (assign_stack_local): ... this one.
15072         (expand_function_end): Update call of get_arg_pointer_save_area.
15073         (get_art_pointer_save_area): Remove cfun argument.
15074         * function.h (emit_status): regno_pointer_align does not need length
15075         attribute. Move x_regno_reg_rtx to ...
15076         (regno_reg_rtx): ... new global array.
15077         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
15078         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
15079         apply_args_value, forced_labels, stack_pointer_delta):
15080         Update accestors.
15081         (struct varasm_status): Move here from varasm.c
15082         (struct rtl_data): New. Move here some fields from struct function.
15083         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
15084         frame_offset, stack_check_probe_note, arg_pointer_save_area,
15085         used_temp_slots avail_temp_slots, temp_slot_level,
15086         nonlocal_goto_handler_labels): Update accesstors.
15087         (rtl): New global variable.
15088         (struct function): Move some fileds to rtl_data.
15089         (get_arg_pointer_save_area): Update prototype.
15090         * emit-rtl.c (rtl): Declare.
15091         (regno_reg_rtx): Declare.
15092         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
15093         Update.
15094         (gen_reg_rtx): Update.
15095         (init_virtual_regs): Do not tate emit_status argument.
15096         (init_emit): Do not allocate emit.
15097         * varasm.c (varasm_statuc): Move to function.h.
15098         (n_deferred_constatns): Update accestor.
15099         (init_varasm_status): Do not allocate varasm_status.
15100         (force_const_mem, get_pool_size, output_constant_pool): Update.
15101         * stmt.c (force_label_rtx): Do not use x_ prefixes.
15102         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
15103
15104 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
15105
15106         PR rtl-optimization/35729
15107         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
15108         references.
15109
15110 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
15111
15112         PR target/32000
15113         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
15114         load/store if memory is unaligned.
15115         (*movti_rex64): Likewise.
15116
15117         * config/i386/predicates.md (misaligned_operand): New.
15118
15119 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
15120
15121         PR tree-opt/35431
15122         * tree-ssa-phiopt.c (conditional_replacement): Return early for
15123         complex types.
15124
15125 2008-03-31  Jan Beulich  <jbeulich@novell.com>
15126
15127         * config/ia64/constraints.md: Add 'j' constraint.
15128         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
15129         (movdi_internal): Likewise.
15130
15131 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
15132
15133         PR c/35748
15134         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
15135
15136 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
15137
15138         PR target/35757
15139         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
15140         proper error message for the third argument on blendpd and
15141         blendps.
15142
15143         * config/i386/sse.md (blendbits): New.
15144         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
15145
15146 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
15147
15148         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
15149
15150 2008-03-30  Richard Guenther  <rguenther@suse.de>
15151
15152         PR middle-end/31023
15153         * fold-const.c (fold_sign_changed_comparison): Do leave
15154         conversions to base-types alone.
15155
15156 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15157
15158         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
15159         the link register if one altivec register is be saved.
15160
15161 2008-03-30  Ben Elliston  <bje@au.ibm.com>
15162
15163         * final.c (final_scan_insn): Remove if (0) code.
15164
15165 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
15166
15167         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
15168
15169 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
15170
15171         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
15172         of V4SFmode to ix86_binary_operator_ok.
15173
15174 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
15175
15176         * config/i386/i386.c (override_options): Initialize
15177         ix86_veclib_handler to ix86_veclibabi_svml when
15178         -mveclibabi=svml is used.
15179         (ix86_veclibabi_svml): New function for SVML ABI style
15180         vectorization support.
15181         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
15182
15183 2008-03-28  Rafael Espindola  <espindola@google.com>
15184
15185         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
15186         (tree_binary_nonnegative_warnv_p): Make it public.
15187         (tree_single_nonnegative_warnv_p): Make it public.
15188         (tree_invalid_nonnegative_warnv_p): Make it public.
15189         (tree_unary_nonzero_warnv_p): Make it public.
15190         (tree_binary_nonzero_warnv_p): Make it public
15191         (tree_single_nonzero_warnv_p): Make it public.
15192         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
15193         (extract_range_from_binary_expr): Split the expr argument.
15194         (extract_range_from_unary_expr): Split the expr argument.
15195         (extract_range_from_comparison): Split the expr argument.
15196         (extract_range_from_expr): Use the new aux functions.
15197         (vrp_evaluate_conditional_warnv): Use
15198         vrp_evaluate_conditional_warnv_with_ops.
15199         * tree.h (tree_unary_nonzero_warnv_p): Declare.
15200         (tree_binary_nonzero_warnv_p): Declare.
15201         (tree_single_nonzero_warnv_p): Declare.
15202         (tree_expr_nonzero_warnv_p): Declare.
15203         (tree_unary_nonnegative_warnv_p): Declare.
15204         (tree_binary_nonnegative_warnv_p): Declare.
15205         (tree_single_nonnegative_warnv_p): Declare.
15206         (tree_invalid_nonnegative_warnv_p): Declare.
15207
15208 2008-03-28  Richard Guenther  <rguenther@suse.de>
15209
15210         PR tree-optimization/30317
15211         PR tree-optimization/30911
15212         PR tree-optimization/34793
15213         * tree-vrp.c (set_and_canonicalize_value_range): New function.
15214         (struct assert_locus_d): New member EXPR.
15215         (register_new_assert_for): Add EXPR parameter to support
15216         ASSERT_EXPR <name, expr OP limit>.
15217         (register_edge_assert_for_1): Adjust callers.
15218         (find_assert_locations): Likewise.
15219         (process_assert_insertions_for): Build condition from expression.
15220         (extract_range_from_assert): Handle ASSERT_EXPRs
15221         of the form ASSERT_EXPR <name, expr OP limit>.
15222         (register_edge_assert_for_2): New helper registering
15223         asserts for comparisons.  Recognize range tests of the form
15224         (unsigned)i - CST1 OP CST2.
15225         (register_edge_assert_for_1): Use it.
15226         (register_edge_assert_for): Likewise.
15227         (needs_overflow_infinity): Integer sub-types
15228         do not need overflow infinities.
15229         (vrp_val_is_max): The extreme values of integer sub-types
15230         are those of the base type.
15231         (vrp_val_is_min): Likewise.
15232         * tree.def (ASSERT_EXPR): Document extra allowed conditional
15233         expressions.
15234
15235 2008-03-28  Nick Clifton  <nickc@redhat.com>
15236
15237         PR target/31110
15238         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
15239         Return GENERAL_REGS for stack adjustment reloads.
15240
15241 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15242
15243         PR target/31334
15244         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
15245         const_vector when all the vectors are constant.
15246
15247 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
15248
15249         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
15250         comparisons.
15251         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
15252         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
15253         (scc_sf): New.
15254         (s<code>_sf): Use new scc_sf attribute for opcode names.
15255
15256 2008-03-27  Tom Tromey  <tromey@redhat.com>
15257
15258         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
15259         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
15260         config/spu/t-spu-elf, config/i386/t-interix,
15261         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
15262         config/i386/x-darwin, config/i386/x-mingw32,
15263         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
15264         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
15265         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
15266         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
15267         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
15268         config/rs6000/x-darwin, config/rs6000/t-rs6000,
15269         config/score/t-score-elf, config/arm/t-strongarm-pe,
15270         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
15271         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
15272         Revert automatic dependency patch.
15273
15274 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15275
15276         PR target/35657
15277         * config/i386/i386.c (ix86_function_arg_boundary): Align
15278         decimal floating point to its natural boundary.
15279
15280 2008-03-27  Richard Guenther  <rguenther@suse.de>
15281
15282         PR middle-end/35716
15283         * fold-const.c (fold_comparison): Restrict distinct decl
15284         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
15285         solely rely on operand_equal_p.
15286
15287 2008-03-27  Richard Guenther  <rguenther@suse.de>
15288
15289         PR c/32511
15290         * c-common.c (handle_weak_attribute): Reject combination of
15291         weak and inline.
15292
15293 2008-03-27  Richard Guenther  <rguenther@suse.de>
15294
15295         PR tree-optimization/32810
15296         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
15297         conversions from DECL_INITIAL.
15298         (fold_const_aggregate_ref): Likewise from constructor elements.
15299
15300 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
15301
15302         * tree-affine.h (aff_combination_expand): Declare.
15303         (get_inner_reference_aff): Likewise.
15304         * tree-affine.c (aff_combination_expand): Split out from
15305         tree_to_aff_combination_expand.
15306         (get_inner_reference_aff): New function.
15307         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
15308         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
15309         (struct lim_aux_data): sm_done field removed.
15310         (mem_ref_loc_p, mem_ref_locs_p): New types.
15311         (struct mem_ref): Added id, stored, accesses_in_loop,
15312         indep_loop, dep_loop, indep_ref, dep_ref fields.
15313         Removed is_stored, locs and next fields.
15314         (memory_accesses): New variable.
15315         (movement_possibility): Do not allow moving statements
15316         that store to memory.
15317         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
15318         New functions.
15319         (determine_max_movement): For statements with memory references,
15320         find the outermost loop in that the reference is independent.
15321         (move_computations_stmt): Mark the virtual operands for renaming.
15322         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
15323         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
15324         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
15325         add_vop_ref_mapping, create_vop_ref_mapping_loop,
15326         create_vop_ref_mapping, analyze_memory_references,
15327         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
15328         get_all_locs_in_loop, ref_always_accessed_p,
15329         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
15330         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
15331         store_motion_loop, store_motion): New functions.
15332         (struct vop_to_refs_elt): New type.
15333         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
15334         memref_hash, memref_eq, hoist_memory_references): Rewritten.
15335         (schedule_sm): Replaced by...
15336         (execute_sm): ... this.
15337         (determine_lsm_ref, hoist_memory_references,
15338         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
15339         find_more_ref_vops, free_mem_ref, free_mem_refs,
15340         determine_lsm_loop, determine_lsm): Removed.
15341         (tree_ssa_lim_finalize): Free data structures used by store motion.
15342         (tree_ssa_lim): Call analyze_memory_references.  Use
15343         store_motion instead of determine_lsm.
15344
15345 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
15346
15347         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
15348         rename tmake_file to m68hc11/t-m68hc11.
15349         (mcore): Set inhibit_libc to true.
15350         * config.host (alpha*-dec-*vms*): Set extra_programs.
15351         (interix3*): Don't use host_xmake_file.
15352         * configure.ac: Let config.gcc override inhibit_libc.
15353         * configure: Regenerate.
15354
15355         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
15356         * config/t-openbsd-thread: Remove commented out lines.
15357
15358         * config/x-interix: Remove.
15359
15360         * config/m68hc11/t-m68hc11-gas: Rename to...
15361         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
15362
15363         * config/mcore/t-mcore: Remove T_CFLAGS.
15364         * config/mcore/t-mcore-pe: Likewise.
15365
15366 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
15367
15368         * configure.ac: Replace custom __GNU_SOURCE test with
15369         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
15370         * aclocal.m4: Regenerate.
15371         * configure: Regenerate.
15372         * config.in: Regenerate.
15373
15374 2008-03-27  Richard Guenther  <rguenther@suse.de>
15375
15376         * fold-const.c (target.h): Include.
15377         (fold_comparison): Fold comparison of addresses of decls
15378         that bind locally or of constants.  Consolidate address folding code.
15379         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
15380         results from fold_binary_to_constant.
15381         (compare_values_warnv): Likewise.
15382
15383 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
15384
15385         PR middle-end/35429
15386         * fold-const.c (fold_truthop): Check for integeral types when folding
15387         a == 0 && b == 0 and a != 0 || b != 0 .
15388
15389 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
15390
15391         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
15392
15393 2008-03-26  Andreas Schwab  <schwab@suse.de>
15394
15395         * doc/invoke.texi: Fix use of @item vs. @itemx.
15396
15397 2008-03-26  Tom Tromey  <tromey@redhat.com>
15398
15399         * Makefile.in (build/gensupport.o, build/print-rtl.o,
15400         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
15401         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
15402         build/gencodes.o, build/genconditions.o, build/genconfig.o,
15403         build/genconstants.o, build/genemit.o, build/genextract.o,
15404         build/genflags.o, build/genmddeps.o, build/genopinit.o,
15405         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
15406         options.h.
15407
15408 2008-03-26  Richard Guenther  <rguenther@suse.de>
15409
15410         Revert
15411         2008-03-26  Richard Guenther  <rguenther@suse.de>
15412
15413         * fold-const.c (target.h): Include.
15414         (fold_comparison): Fold comparison of addresses of two decls
15415         that bind locally.  Consolidate address folding code.
15416
15417 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15418
15419         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
15420         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
15421         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
15422         dconstsqrt2, dconstthird, dconste and/or dconst10.
15423         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
15424         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
15425         dconstsqrt2, dconste): Delete.
15426         (init_emit_once): Likewise.  Simplify initializing dconstm1.
15427         Constify variable.
15428         * real.c (get_real_const): New.
15429         * real.h (dconst3, dconst10, dconstm2, dconstthird,
15430         dconstsqrt2, dconste): Delete.
15431         (real_value_const, get_real_const): New.
15432
15433 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
15434
15435         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
15436
15437         * config/i386/i386.c (ix86_function_arg_boundary): Check
15438         BIGGEST_ALIGNMENT instead of 128.
15439         (setup_incoming_varargs_64): Likewise.
15440
15441 2008-03-26  Tom Tromey  <tromey@redhat.com>
15442
15443         * Makefile.in (DEPFILES): Add missing '/'.
15444
15445 2008-03-26  Richard Guenther  <rguenther@suse.de>
15446
15447         * fold-const.c (target.h): Include.
15448         (fold_comparison): Fold comparison of addresses of two decls
15449         that bind locally.  Consolidate address folding code.
15450
15451 2008-03-26  Nick Clifton  <nickc@redhat.com>
15452
15453         PR target/31232
15454         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
15455         not allow INT+INT as a legitimate addressing mode.
15456
15457 2008-03-26  Richard Guenther  <rguenther@suse.de>
15458
15459         * tree-flow.h (widen_bitfield): Remove declaration.
15460         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
15461         (widen_bitfield): Remove function.
15462         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
15463         code.
15464
15465 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15466
15467         PR target/31558
15468         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
15469         error_mark_node's.
15470
15471 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
15472
15473         PR rtl-optimization/35232
15474         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
15475         (forget_old_reloads_1, forget_marked_reloads): Don't clear
15476         reg_reloaded_call_part_clobbered here.
15477         (reload_regs_reach_end_p): New function.
15478         (reload_reg_rtx_for_input): New variable.
15479         (reload_reg_rtx_for_output): Likewise.
15480         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
15481         when reassigning a pseudo register.  Load reloadreg from
15482         reload_reg_rtx_for_input, moving the mode and register
15483         calculation to...
15484         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
15485         instead of the original when deciding whether an input reload
15486         would be a no-op or whether an output reload can be deleted.
15487         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
15488         when setting up new_spill_reg_store.  Load it from
15489         reload_reg_rtx_for_output, moving the mode and register
15490         calculation to...
15491         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
15492         instead of the original when deciding whether an output reload
15493         would be a no-op.  Do the same when modifying insn notes.
15494         Use rtx_equal_p instead of == to compare the registers.
15495         (inherit_piecemeal_p): Take a mode and two register numbers
15496         as argument.
15497         (emit_reload_insns): Clear new_spill_reg_store for every hard
15498         register in the reload register.  Remove spill registers
15499         from reg_reloaded_valid before considering whether to record
15500         inheritance information for them.  Use reload_reg_rtx_for_output
15501         instead of reg_rtx when recording output reloads.  Use
15502         reload_reg_rtx_for_input instead of reg_rtx when recording
15503         input reloads.  Set or clear reg_reloaded_call_part_clobbered
15504         at the same time as setting reg_reloaded_valid.
15505         (delete_output_reload): Add a new_reload_reg parameter and use it
15506         instead of rld[j].reg_rtx.
15507         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
15508         calls accordingly.
15509
15510 2008-03-25  Tom Tromey  <tromey@redhat.com>
15511
15512         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
15513         (build/genattr.o): Likewise.
15514         (build/genattrtab.o): Likewise.
15515         (build/gencodes.o): Likewise.
15516         (build/genconfig.o): Likewise.
15517         (build/genconstants.o): Likewise.
15518         (build/genemit.o): Likewise.
15519         (build/genextract.o): Likewise.
15520         (build/genflags.o): Likewise.
15521
15522 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
15523
15524         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
15525         instead of size_int for integer types.
15526         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
15527         to match type of MINUS_EXPR.
15528
15529 2008-03-25  Tom Tromey  <tromey@redhat.com>
15530
15531         * configure: Rebuilt.
15532         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
15533         Makefile.
15534
15535 2008-03-25  Tom Tromey  <tromey@redhat.com>
15536
15537         * config/x-solaris (host-solaris.o): Update.
15538         * config/x-linux (host-linux.o): Update.
15539         * config/x-hpux (host-hpux.o): Update.
15540         * config/x-darwin (host-darwin.o): Update.
15541         * config/v850/t-v850e (v850-c.o): Update.
15542         * config/v850/t-v850 (v850-c.o): Update.
15543         * config/t-vxworks (vxworks.o): Update.
15544         * config/t-sol2 (sol2-c.o, sol2.o): Update.
15545         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
15546         * config/spu/t-spu-elf (spu-c.o): Update.
15547         (spu.o): Remove.
15548         * config/sh/t-symbian (sh-c.o): Update.
15549         (symbian.o): Update.
15550         * config/sh/t-sh (sh-c.o): Update.
15551         * config/score/t-score-elf (score7.o, score3.o): Update.
15552         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
15553         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
15554         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
15555         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
15556         (rs6000.o): Remove.
15557         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
15558         * config/m32c/t-m32c (m32c-pragma.o): Update.
15559         * config/ia64/t-ia64 (ia64-c.o): Update.
15560         * config/i386/x-mingw32 (host-mingw32.o): Update.
15561         * config/i386/x-i386 (driver-i386.o): Update.
15562         * config/i386/x-darwin (host-i386-darwin.o): Update.
15563         * config/i386/x-cygwin (host-cygwin.o): Update.
15564         * config/i386/t-nwld (nwld.o): Update.
15565         * config/i386/t-netware (netware.o): Update.
15566         * config/i386/t-interix (winnt.o): Update.
15567         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
15568         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
15569         msformat-c.o): Update.
15570         * config/bfin/t-bfin-linux (generated_files): Add
15571         linux-sysroot-suffix.h.
15572         * config/arm/t-wince-pe (pe.o): Update.
15573         * config/arm/t-strongarm-pe (pe.o): Update.
15574         * config/arm/t-pe (pe.o): Update.
15575         * config/arm/t-arm (arm-c.o): Update.
15576         * doc/install.texi (Prerequisites): Require make 3.80.
15577         * Makefile.in: Remove .o targets.
15578         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
15579         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
15580         (simple_generated_h, simple_generated_c): Move earlier.
15581         (generated_files): New variable.
15582         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
15583         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
15584         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
15585         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
15586         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
15587         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
15588         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
15589         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
15590         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
15591         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
15592         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
15593         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
15594         (.c.o): Remove.
15595         (COMPILE.base, COMPILE): New variables.
15596         (%.o): New pattern rule.
15597         (ALL_HOST_OBJS): New variable.
15598         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
15599         (dummy-checksum.o, cc1-checksum.o): Remove.
15600         (DRIVER_SHLIB): New variable.
15601         (DRIVER_DEFINES): Use it.
15602         (gencondmd.c): Move out of build/.
15603         (s-conditions): Update.
15604         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
15605         (ALL_BUILD_OBJS): Likewise.
15606         (build/%.o): Use BUILDCOMPILE.
15607         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
15608         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
15609         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
15610         build/gencheck.o, build/gencodes.o, build/genconditions.o,
15611         build/genconfig.o, build/genconstants.o, build/genemit.o,
15612         build/genextract.o, build/genflags.o, build/genmddeps.o,
15613         build/genopinit.o, build/genoutput.o, build/genpeep.o,
15614         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
15615         build/gen-protos.o, build/scan.o, build/fix-header.o,
15616         build/scan-decls.o): Simplify.
15617         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
15618         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
15619         prefix.o, toplev.o): Reduce to variable setting.
15620         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
15621         ($(out_object_file), gcc-options.o): New targets.
15622         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
15623         * configure: Rebuilt.
15624         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
15625         * doc/sourcebuild.texi (Front End Directory): Document new variable.
15626
15627 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
15628
15629         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
15630         complain when we hit an error, return ERROR_MARK_NODE.
15631
15632 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
15633
15634         * config/sh/constraints.md (Pso, Psz): New constraints.
15635         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
15636         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
15637
15638 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
15639
15640         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
15641         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
15642
15643 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
15644
15645         * config/sh/sh.md (prefetch): Add condition for SH2A target.
15646         (prefetch_sh2a): New.
15647
15648 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
15649             Naveen.H.S  <naveen.hs@kpitcummins.com>
15650
15651         * config/sh/constraints.md (I28): New constraint.
15652         * config/sh/sh.c (broken_move): Add support for movi20s.
15653         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
15654
15655 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
15656             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
15657             Naveen.H.S  <naveen.hs@kpitcummins.com>
15658
15659         * config/sh/sh.c (SH_ATTRIBUTES): Define.
15660         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
15661         (print_operand): Handle resbank in %@ operand code.
15662         (sh_encode_section_info): New.
15663         (push_regs): Add conditions for resbank.
15664         (sh_expand_epilogue): Likewise.
15665         (sh_insert_attributes): Likewise.
15666         (sh_attribute_table): Likewise.
15667         (sh_handle_resbank_handler_attribute): New.
15668         (sh2a_handle_function_vector_handler_attribute): New.
15669         (sh2a_is_function_vector_call): New.
15670         (sh2a_get_function_vector_number): New.
15671         (sh2a_function_vector_p): New.
15672         (sh_cfun_resbank_handler_p): New.
15673         * config/sh/sh.md (calli): Emit jsr/n if possible.
15674         (calli_tbr_rel): New.
15675         (calli_pcrel): Emit jsr/n if possible.
15676         (return_i): Emit rts/n if possible.
15677         (call_valuei_tbr_rel): New.
15678         (call_valuei_pcrel): Add condition for SH2A target.
15679         (call_value): Likewise.
15680         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
15681         (sh2a_get_function_vector_number): Likewise.
15682         (sh2a_is_function_vector_call): Likewise.
15683         * doc/extend.texi: Document TBR relative addressing of SH2A.
15684         (resbank): Add description for SH2A.
15685
15686 2008-03-24  Richard Guenther  <rguenther@suse.de>
15687
15688         PR c/22371
15689         * gimplify.c (gimplify_modify_expr): For frontend type-correct
15690         pointer assignments change conversions according to middle-end rules.
15691         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
15692         * configure.ac: Include type checking in yes.
15693         * configure: Regenerate.
15694
15695 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15696
15697         * diagnostic.c (diagnostic_count_diagnostic): Delete.
15698         (diagnostic_report_diagnostic): Update. Handle ICEs here.
15699
15700 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
15701
15702         * gthr-vxworks.h (UNUSED): Define.
15703
15704 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
15705
15706         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
15707
15708 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
15709
15710         * doc/extend.texi (Function Attributes): Add missing comma in the
15711         example of the "alloc_size" attribute.
15712
15713 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
15714
15715         Revert:
15716         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
15717
15718         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
15719         32bit host.
15720
15721         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
15722
15723         PR target/35496
15724         * stor-layout.c (update_alignment_for_field): Set minimum alignment
15725         of the underlying type of a MS bitfield layout to the natural
15726         alignment of the type.
15727
15728         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
15729
15730         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
15731         to their natural alignment to avoid store forwarding stalls.
15732
15733 2008-03-22  Richard Guenther  <rguenther@suse.de>
15734
15735         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
15736         For PHI nodes verify the address is invariant.
15737         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
15738         (get_symbol_constant_value): Use is_gimple_min_invariant.
15739         (maybe_fold_stmt_indirect): Likewise.
15740
15741 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
15742
15743         PR rtl-optimization/33927
15744         * Makefile.in (dse.o): Depend on $(TM_P_H).
15745         * expr.h (extract_low_bits): Declare.
15746         * expmed.c (extract_low_bits): New function.
15747         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
15748         * dse.c: Include tm_p.h.
15749         (find_shift_sequence): Remove the read_reg argument and return the
15750         read value.  Emit the instructions instead of returning them.
15751         Iterate on new_mode rather than calculating it each time.
15752         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
15753         source to NEW_MODE and extract_low_bits to convert the shifted
15754         value to READ_MODE.
15755         (replace_read): Allow the load and store to have different mode
15756         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
15757         or extraction instructions before trying the replacement.  Update
15758         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
15759
15760 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
15761
15762         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
15763         to their natural alignment to avoid store forwarding stalls.
15764
15765 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15766
15767         PR target/27946
15768         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
15769         encouraging but not allowing gprs for input;
15770         change the input constraint to !f#r.
15771         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
15772         gprs for output;
15773         change the output constraint to !f#r.
15774
15775 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
15776
15777         PR target/13958
15778         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
15779         corresponding post-reload splitters.
15780         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
15781         when x87 FP math is selected.
15782         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
15783         New function prototype.
15784         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
15785         unreachable function to ease macroization of insn patterns.
15786
15787 2008-03-21  Martin Jambor  <mjambor@suse.cz>
15788
15789         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
15790         reference dumps if ddr is NULL or dependence is unknown.
15791
15792 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
15793
15794         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
15795         unsigned extension into account.
15796         (ATOMIC_COMPARE_AND_SWAP): Likewise.
15797         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
15798         Do computations on a scratch register.
15799
15800 2008-03-21  Richard Guenther  <rguenther@suse.de>
15801
15802         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
15803         Use is_gimple_min_invariant instead of TREE_INVARIANT.
15804         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
15805         * tree-ssa-dom.c (record_equality): Likewise.
15806         * tree-inline.c (copy_body_r): Likewise.
15807         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
15808         TREE_INVARIANT.
15809
15810 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
15811
15812         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
15813         as 'delete_unused' argument.
15814
15815 2008-03-20  Richard Guenther  <rguenther@suse.de>
15816
15817         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
15818         special casing of constant qualifiers.
15819         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
15820         care about them in general.
15821         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
15822         regardless of their type.
15823         (fold_stmt_r): Forcefully fold *& if we end up with that.
15824
15825 2008-03-20  Paul Brook  <paul@codesourcery.com>
15826
15827         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
15828         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
15829         linker flags.
15830         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
15831         definition.
15832         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
15833         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
15834
15835 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
15836
15837         * common.opt (Wmudflap): New option.
15838         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
15839         (mx_register_decls): Likewise.
15840         (mudflap_finish_file): Likewise.
15841         * doc/invoke.texi: Document -Wno-mudflap.
15842
15843 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
15844
15845         * c-format.c (replace_format_name_to_system_name): New.
15846         (cmp_attribs): New.
15847         (convert_format_name_to_system_name): New.
15848         (decode_format_attr): Add use of convert_format_name_to_system_name.
15849         (format_types_orig): Add gnu_ prefix to names.
15850         (check_format_info_main): Special treating of \0 escaped names for
15851         supporting multi-character format specifiers as I32, I64.
15852         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
15853         (gnu_target_overrides_format_attributes): New.
15854         * c-format.h: Add structure target_ovr_attr to hold
15855         system specific formatter names.
15856         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
15857         msformat-c.o file to c_target_objs and cxx_target_objs.
15858         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
15859         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
15860         (TARGET_N_FORMAT_TYPES): New.
15861         * config/i386/msformat-c.c: New.
15862         * config/i386/t-cygming: Add build rule for msformat-c.o.
15863         * doc/extend.texi: Add new format names gnu_* and ms_* and
15864         further details.
15865         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
15866
15867 2008-03-20  Ira Rosen  <irar@il.ibm.com>
15868
15869         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
15870         optimizations turned on under -O3.
15871         (ftree-vectorize): Add that the flag is turned on with -O3.
15872
15873 2008-03-20  Ben Elliston  <bje@au.ibm.com>
15874
15875         * regmove.c (try_auto_increment): Fix spelling error in comment.
15876         * final.c (final_scan_insn): Likewise.
15877
15878 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
15879
15880         PR target/14552
15881         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
15882         allocator preferences for "y" and "r" class registers.
15883         ("*mov<mode>_internal"): Ditto.
15884         ("*movv2sf_internal_rex64"): Ditto.
15885         ("*movv2sf_internal"): Ditto.
15886
15887 2008-03-19  Michael Matz  <matz@suse.de>
15888
15889         PR middle-end/35616
15890         * calls.c (expand_call): Check overlap of arguments with call
15891         address for sibcalls.
15892
15893 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
15894
15895         PR target/35496
15896         * stor-layout.c (update_alignment_for_field): Set minimum alignment
15897         of the underlying type of a MS bitfield layout to the natural
15898         alignment of the type.
15899
15900 2008-03-19  Jan Hubicka  <jh@suse.cz>
15901
15902         PR other/35094
15903         * toplev.c (decode_d_option): Handle all CPP flags.
15904         * tree-vrp.c: Update tree_pass descriptors.
15905         * regrename.c: Update tree_pass descriptors.
15906         * fwprop.c: Update tree_pass descriptors.
15907         * doc/invoke.texi: Remove documentation of dropped -d? flags.
15908         * tree-into-ssa.c: Update tree_pass descriptors.
15909         * tree-dump.c: Update tree_pass descriptors.
15910         * tree-complex.c: Update tree_pass descriptors.
15911         * tree-dump.h: Update tree_pass descriptors.
15912         * see.c: Update tree_pass descriptors.
15913         * cgraphbuild.c: Update tree_pass descriptors.
15914         * tracer.c: Update tree_pass descriptors.
15915         * tree-loop-distribution.c: Update tree_pass descriptors.
15916         * cgraph.c: Update tree_pass descriptors.
15917         * postreload-gcse.c: Update tree_pass descriptors.
15918         * postreload.c: Update tree_pass descriptors.
15919         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
15920         * tree-tailcall.c: Update tree_pass descriptors.
15921         * tree-pass.h (tree_opt_pass): Rename to ...
15922         (opt_pass) ... this one; add "type" field and remove letter field.
15923         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
15924         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
15925         all_lowering_passes): Update declaration.
15926         * ipa-cp.c: Update tree_pass descriptors.
15927         * final.c: Update tree_pass descriptors.
15928         * omp-low.c: Update tree_pass descriptors.
15929         * tree-ssa-dse.c: Update tree_pass descriptors.
15930         * ipa-reference.c: Update tree_pass descriptors.
15931         * tree-ssa-uncprop.c: Update tree_pass descriptors.
15932         * auto-inc-dec.c: Update tree_pass descriptors.
15933         * reorg.c: Update tree_pass descriptors.
15934         * cgraphunit.c: Update tree_pass descriptors.
15935         * tree-ssa-copyrename.c: Update tree_pass descriptors.
15936         * tree-ssa-ccp.c: Update tree_pass descriptors.
15937         * df-core.c: Update tree_pass descriptors.
15938         * mode-switching.c: Update tree_pass descriptors.
15939         * tree-nomudflap.c: Update tree_pass descriptors.
15940         * modulo-sched.c: Update tree_pass descriptors.
15941         * ipa-pure-const.c: Update tree_pass descriptors.
15942         * cse.c: Update tree_pass descriptors.
15943         * web.c: Update tree_pass descriptors.
15944         * tree-stdarg.c: Update tree_pass descriptors.
15945         * tree-ssa-math-opts.c: Update tree_pass descriptors.
15946         * tree-ssa-dom.c: Update tree_pass descriptors.
15947         * tree-nrv.c: Update tree_pass descriptors.
15948         * tree-ssa-alias.c: Update tree_pass descriptors.
15949         * loop-init.c: Update tree_pass descriptors.
15950         * gimple-low.c: Update tree_pass descriptors.
15951         * ipa-inline.c: Update tree_pass descriptors.
15952         * tree-ssa-sink.c: Update tree_pass descriptors.
15953         * global.c: Update tree_pass descriptors.
15954         * ifcvt.c: Update tree_pass descriptors.
15955         * jump.c: Update tree_pass descriptors.
15956         * predict.c: Update tree_pass descriptors.
15957         * tree-ssa-loop.c: Update tree_pass descriptors.
15958         * recog.c: Update tree_pass descriptors.
15959         * dse.c: Update tree_pass descriptors.
15960         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
15961         * tree-eh.c: Update tree_pass descriptors.
15962         * regmove.c: Update tree_pass descriptors.
15963         * local-alloc.c
15964         * function.c: Update tree_pass descriptors.
15965         * tree-vectorizer.c: Update tree_pass descriptors.
15966         * gcse.c: Update tree_pass descriptors.
15967         * ipa-type-escape.c: Update tree_pass descriptors.
15968         * tree-if-conv.c: Update tree_pass descriptors.
15969         * init-regs.c: Update tree_pass descriptors.
15970         * ipa.c: Update tree_pass descriptors.
15971         * tree-ssa-phiopt.c: Update tree_pass descriptors.
15972         * rtl-factoring.c: Update tree_pass descriptors.
15973         * lower-subreg.c: Update tree_pass descriptors.
15974         * bt-load.c: Update tree_pass descriptors.
15975         * tree-dfa.c: Update tree_pass descriptors.
15976         * except.c: Update tree_pass descriptors.
15977         * emit-rtl.c: Update tree_pass descriptors.
15978         * cfgexpand.c: Update tree_pass descriptors.
15979         * tree-cfgcleanup.c: Update tree_pass descriptors.
15980         * cfgcleanup.c: Update tree_pass descriptors.
15981         * tree-ssa-pre.c: Update tree_pass descriptors.
15982         * tree-sra.c: Update tree_pass descriptors.
15983         * tree-mudflap.c: Update tree_pass descriptors.
15984         * tree-ssa-copy.c: Update tree_pass descriptors.
15985         * cfglayout.c: Update tree_pass descriptors.
15986         * tree-ssa-forwprop.c: Update tree_pass descriptors.
15987         * tree-ssa-dce.c: Update tree_pass descriptors.
15988         * tree-ssa.c: Update tree_pass descriptors.
15989         * regclass.c: Update tree_pass descriptors.
15990         * integrate.c: Update tree_pass descriptors.
15991         * tree-optimize.c: Update tree_pass descriptors.
15992         * tree-ssa-phiprop.c: Update tree_pass descriptors.
15993         * tree-object-size.c: Update tree_pass descriptors.
15994         * combine.c: Update tree_pass descriptors.
15995         * tree-outof-ssa.c: Update tree_pass descriptors.
15996         * bb-reorder.c: Update tree_pass descriptors.
15997         * stack-ptr-mod.c: Update tree_pass descriptors.
15998         * var-tracking.c: Update tree_pass descriptors.
15999         * tree-profile.c: Update tree_pass descriptors.
16000         * tree-vect-generic.c: Update tree_pass descriptors.
16001         * reg-stack.c: Update tree_pass descriptors.
16002         * sched-rgn.c: Update tree_pass descriptors.
16003         * tree-ssa-structalias.c: Update tree_pass descriptors.
16004         * tree-cfg.c: Update tree_pass descriptors.
16005         * passes.c (current_pass): Update declaration.
16006         (finish_optimization_passes): Update.
16007         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
16008         (register_one_dump_file, register_dump_files_1, next_pass_1):
16009         Update arguments.
16010         (init_optimization_passes): Update handling of new types.
16011         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
16012         * ipa-struct-reorg.c: Update tree_pass descriptors.
16013         * tree-ssa-reassoc.c: Update tree_pass descriptors.
16014         * combine-stack-adj.c: Update tree_pass descriptors.
16015         * cfgrtl.c: Update tree_pass descriptors.
16016         * dce.c: Update tree_pass descriptors.
16017         * tree-ssanames.c: Update tree_pass descriptors.
16018
16019 2008-03-19  Richard Guenther  <rguenther@suse.de>
16020
16021         PR middle-end/35609
16022         * tree-ssa.c (walk_data): New structure.
16023         (warn_uninitialized_var): If not always_executed warn with "maybe"
16024         instead of "is".
16025         (execute_early_warn_uninitialized): Compute post-dominators.
16026         Initialize always_executed before processing each basic block.
16027
16028 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
16029
16030         PR target/35504
16031         * config/i386/i386.c (x86_this_parameter): Calculate correct location
16032         of "this" pointer when "regparm = N" or "fastcall" is in effect.
16033
16034 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16035
16036         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
16037
16038 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
16039
16040         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
16041         is true.
16042         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
16043         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
16044         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
16045         target after ignore has been set, and move there also the commputation
16046         of subtarget and original_target.
16047         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
16048         (LANG_HOOKS_INITIALIZER): Remove it.
16049         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
16050
16051 2008-03-18  Richard Guenther  <rguenther@suse.de>
16052
16053         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
16054         found an expression with constants, note that in the VN for the lhs.
16055         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
16056         fold them to constants if possible.  Run cleanup_cfg if done so.
16057         (execute_pre): Return todo.
16058         (do_pre): Likewise.
16059         (execute_fre): Likewise.
16060         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
16061         of constants.
16062         (get_prop_source_stmt): Look through pointer conversions.
16063
16064 2008-03-18  Jan Hubicka  <jh@suse.cz>
16065
16066         * tree-pretty-print.c: Include predict.h.
16067         (dump_generic_node): Dump predictor.
16068         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
16069         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
16070         * gimple-low.c (lower_stmt): Likewise.
16071         * expr.c (expand_expr_real): Likewise.
16072         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
16073         them.
16074         (build_predict_expr, build_predict_expr): New.
16075         * predict.h (predictor_name, build_predict_expr): Update.
16076         * c-typeck.c (c_finish_bc_stmt): Add prediction.
16077         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
16078         * predict.def (PRED_CONTINUE): Update hitrate.
16079         * tree.def (PREDICT_EXPR): Define.
16080         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
16081         do not handle BIND_EXPR.
16082         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
16083         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
16084         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
16085         operands.
16086
16087 2008-03-18  Michael Matz  <matz@suse.de>
16088
16089         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
16090
16091 2008-03-18  Richard Guenther  <rguenther@suse.de>
16092
16093         * tree-gimple.h (is_gimple_invariant_address): Declare.
16094         (is_gimple_constant): Likewise.
16095         * tree-gimple.c (is_gimple_constant): New function.
16096         (is_gimple_invariant_address): Likewise.
16097         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
16098         and is_gimple_invariant_address.
16099         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
16100         previous change.
16101         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
16102         an addressable base.
16103
16104 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
16105
16106         PR middle-end/35611
16107         * gimplify.c (gimplify_expr): Gimplify second operand of
16108         OMP_ATOMIC_LOAD.
16109
16110 2008-03-17  Richard Guenther  <rguenther@suse.de>
16111
16112         PR tree-optimization/19637
16113         * fold-const.c (fold_unary): Remove restrictions of removing
16114         intermediate pointer-conversions (P2)(P1)P0.
16115         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
16116         conversion to void pointer.
16117         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
16118
16119 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
16120
16121         PR debug/31510
16122         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
16123         emulated thread local variables.
16124
16125 2008-03-16  Richard Guenther  <rguenther@suse.de>
16126
16127         PR middle-end/35607
16128         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
16129         expand TREE_INVARIANT operations that are not gimple invariant.
16130
16131 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
16132
16133         * doc/extend.texi (Alignment): Say that the ABI controls
16134         the __alignof__ for non-strict-alignment targets rather
16135         than being a recommendation.
16136
16137 2008-03-15  Paul Brook  <paul@codesourcery.com>
16138
16139         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
16140         annotations.
16141         (arm_output_fn_unwind): Mark functions that can not be unwound.
16142
16143 2008-03-15  Paul Brook  <paul@codesourcery.com>
16144
16145         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
16146         extension instructions.
16147
16148 2008-03-15  Richard Guenther  <rguenther@suse.de>
16149
16150         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
16151         and fold constant aggregate refs.
16152         (fold_const_aggregate_ref): Handle string constants
16153         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
16154         (evaluate_stmt): Simplify now that ccp_fold folds constant
16155         aggregate refs.
16156
16157 2008-03-15  Paul Brook  <paul@codesourcery.com>
16158
16159         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
16160         (extzv): Use gen_extzv_t2.
16161         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
16162
16163 2008-03-15  Richard Guenther  <rguenther@suse.de>
16164
16165         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
16166         (fold_const_aggregate_ref): Likewise.
16167         (get_value): Return NULL if we don't have any values.
16168         (ccp_finalize): Set const_val to NULL after freeing it.
16169         * tree-flow.h (get_symbol_constant_value): Declare.
16170         (fold_const_aggregate_ref): Likewise.
16171         * tree-ssa-sccvn.c (try_to_simplify): Use them.
16172
16173 2008-03-15  Richard Guenther  <rguenther@suse.de>
16174
16175         PR middle-end/35593
16176         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
16177         to not produce negative array indices if not allowed.  Add
16178         parameter to indicate that.
16179         (maybe_fold_offset_to_component_ref): Allow negative array
16180         indices only for the first member of a structure.
16181         (maybe_fold_offset_to_reference): Allow negative array indices.
16182         (maybe_fold_stmt_addition): Likewise.
16183
16184 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
16185             Anatoly Sokolov <aesok@post.ru>
16186
16187         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
16188         (avr_arch): Add ARCH_AVR6.
16189         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
16190         (initial_elimination_offset): Initialize and use 'avr_pc_size'
16191         instead of fixed value 2.
16192         (print_operand_address): Use gs() asm specifier instead of pm().
16193         (avr_assemble_integer): (Ditto.).
16194         (avr_output_addr_vec_elt): (Ditto.).
16195         (print_operand): Handle "!" code.
16196         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
16197         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
16198         (AVR_HAVE_EIJMP_EICALL): Define.
16199         (AVR_3_BYTE_PC): Redefine.
16200         (AVR_2_BYTE_PC): (Ditto.).
16201         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
16202         (LINK_SPEC): Add atmega2560 and atmega2561.
16203         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
16204         (crtm2561.o).
16205         * config/avr/avr.md (call_insn): Use eicall instead of icall
16206         for 3 byte PC devices.
16207         (call_value_insn): (Ditto.).
16208         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
16209         (indirect_jump): Use only for for 2 byte PC devices.
16210         (*tablejump): (Ditto.).
16211         (*indirect_jump_avr6): Add insn.
16212         (*tablejump_rjmp): Don't use for 3 byte PC devices.
16213         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
16214         instead of ijmp for 3 byte PC devices.
16215         (__tablejump2__): (Ditto.).
16216         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
16217         (MULITLIB_DIRNAMES): (Ditto.).
16218         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
16219
16220 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
16221
16222         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
16223         "sse2_umulsidi3".  Use V1DI mode for operand 0.
16224         ("mmx_psadbw"): Use V1DI mode for operand 0.
16225         * config/i386/i386-modes.def (V1SI): New vector mode.
16226         * config/i386/i386.c (struct builtin_description)
16227         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
16228         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
16229         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
16230         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
16231         v1di_ftype_v8qi_v8qi type.
16232         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
16233
16234         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
16235         __builtin_ia32_pmuludq]: Fix the mode of return value.
16236
16237 2008-03-15  Richard Guenther  <rguenther@suse.de>
16238
16239         PR middle-end/35595
16240         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
16241         being a PHI_NODE.
16242
16243 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
16244
16245         * doc/invoke.texi (Option Summary, Xtensa Options): Document
16246         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
16247         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
16248         unless TARGET_SERIALIZE_VOLATILE is enabled.
16249         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
16250         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
16251         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
16252
16253 2008-03-14  Richard Guenther  <rguenther@suse.de>
16254
16255         PR tree-optimization/34172
16256         * tree-flow.h (refs_may_alias_p): Declare.
16257         (get_single_def_stmt): Likewise.
16258         (get_single_def_stmt_from_phi): Likewise.
16259         (get_single_def_stmt_with_phi): Likewise.
16260         * tree-dfa.c (refs_may_alias_p): New function.
16261         (get_single_def_stmt): Likewise.
16262         (get_single_def_stmt_from_phi): Likewise.
16263         (get_single_def_stmt_with_phi): Likewise.
16264         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
16265         (vn_reference_lookup_1): New helper function.
16266         (vn_reference_lookup): Walk the virtual use-def chain to
16267         continue searching for a match if the def does not alias the
16268         reference we are looking for.
16269
16270 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
16271
16272         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
16273         archive and Perzl.  Update The Written Word listing.
16274
16275 2008-03-14  Richard Guenther  <rguenther@suse.de>
16276
16277         PR tree-optimization/34043
16278         PR tree-optimization/33989
16279         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
16280         when doing FRE.
16281         (bitmap_find_leader): Use extra argument to verify dominance
16282         relationship inside a basic-block.
16283         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
16284         (find_leader_in_sets): Adjust.
16285         (create_component_ref_by_pieces): Take extra argument for
16286         dominance check, handle lookup failures.
16287         (find_or_generate_expression): Likewise.
16288         (create_expression_by_pieces): Likewise.
16289         (insert_into_preds_of_block): Adjust.
16290         (create_value_expr_from): If asked for, verify all operands
16291         are in the blocks AVAIL_OUT set.
16292         (make_values_for_stmt): Check for SSA_NAMEs that are life
16293         over an abnormal edge.
16294         (compute_avail): Remove such check.
16295         (do_SCCVN_insertion): New function.
16296         (eliminate): If we do not find a leader suitable for replacement
16297         insert a replacement expression from SCCVN if available.
16298         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
16299         (struct vn_ssa_aux): Add needs_insertion flag.
16300         * tree-ssa-sccvn.c (may_insert): New global flag.
16301         (copy_reference_ops_from_ref): Value-number union member access
16302         based on its size, not type and member if insertion is allowed.
16303         (visit_reference_op_load): For a weak match from union type
16304         punning lookup a view-converted value and insert a SSA_NAME
16305         for that value if that is not found.
16306         (visit_use): Make dumps shorter.  Do not disallow value numbering
16307         SSA_NAMEs that are life over an abnormal edge to constants.
16308         (free_scc_vn): Release inserted SSA_NAMEs.
16309         (run_scc_vn): New flag to specify whether insertion is allowed.
16310         Process SSA_NAMEs in forward order.
16311         * tree-ssa-loop-im.c (for_each_index): Handle invariant
16312         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
16313         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
16314         pointer type to/from integral types that do not change the
16315         precision to regular conversions.
16316
16317 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
16318
16319         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
16320         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
16321         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
16322         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
16323         input arguments and the mode of return value.  Built-in functions
16324         that operate on whole 64-bit MMX register now use V1DI mode.
16325
16326 2008-03-13  Alon Dayan  <alond@il.ibm.com>
16327             Olga Golovanevsky  <olga@il.ibm.com>
16328
16329         PR tree-optimization/35041
16330         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
16331         to locate the right position in a statement.
16332
16333 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
16334
16335         PR target/34000
16336         PR target/35553
16337         * config/i386/xmmintrin.h:  Change all static inline functions to
16338         extern inline and add __gnu_inline__ attribute.
16339         * config/i386/bmintrin.h: Ditto.
16340         * config/i386/smmintrin.h: Ditto.
16341         * config/i386/tmmintrin.h: Ditto.
16342         * config/i386/mmintrin-common.h: Ditto.
16343         * config/i386/ammintrin.h: Ditto.
16344         * config/i386/emmintrin.h: Ditto.
16345         * config/i386/pmmintrin.h: Ditto.
16346         * config/i386/mmintrin.h: Ditto.
16347         * config/i386/mm3dnow.h: Ditto.
16348
16349 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
16350
16351         PR middle-end/35185
16352         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
16353         (lower_omp_2): New function.
16354         (lower_omp_1, lower_omp): Rewritten.
16355
16356 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
16357
16358         PR 35054
16359         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
16360         with the phrase "Microsoft Windows compilers".
16361         (Push/Pop Macro Pragmas): New subsection. Document
16362         #pragma push_macro and pragma pop_macro.
16363
16364 2008-03-12  Paul Brook  <paul@codesourcery.com>
16365
16366         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
16367
16368 2008-03-12  Paul Brook  <paul@codesourcery.com>
16369
16370         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
16371         (thumb2_alusi3_short): Exclude PLUS and MINUS.
16372         (thumb2_addsi_shortim): Rename ...
16373         (thumb2_addsi_short): ... to this.  Allow register operands.
16374         (thumb2_subsi_short): New pattern.
16375         (thumb2_one_cmplsi2_short,
16376         thumb2_negsi2_short): New patterns and peepholes.
16377
16378 2008-03-12  Paul Brook  <paul@codesourcery.com>
16379
16380         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
16381
16382 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
16383
16384         * config/i386/i386.md (int_cond): New code iterator.
16385         (fp_cond): Ditto.
16386         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
16387         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
16388         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
16389         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
16390         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
16391         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
16392         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
16393         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
16394
16395 2008-03-12  Paul Brook  <paul@codesourcery.com>
16396
16397         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
16398         instead of {arm,thumb}_compute_save_reg_mask.
16399         (output_return_instruction): Ditto.
16400         (thumb_unexpanded_epilogue): Ditto.
16401         (thumb1_expand_prologue): Ditto.
16402         (thumb1_output_function_prologue): Ditto.
16403         (arm_set_return_address): Ditto.
16404         (thumb_set_return_address): Ditto.
16405         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
16406         regs to achieve stack alignment.
16407         (thumb1_compute_save_reg_mask): Fix compiler warning.
16408         (arm_output_epilogue): Use offsets->saved_regs_mask.
16409         Adjust stack pointer by poping call clobered registers.
16410         (arm_expand_prologue): Use offsets->saved_regs_mask.
16411         Adjust stack pointer by pushing extra registers.
16412         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
16413
16414 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
16415
16416         PR tree-opt/35422
16417         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
16418         conversion to the operands of a multiplication.
16419
16420 2008-03-12  Richard Guenther  <rguenther@suse.de>
16421
16422         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
16423         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
16424         * timevar.def (TV_TREE_PHIPROP): Add.
16425         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
16426         pass description.  Use TV_TREE_PHIPROP.
16427         * tree-ssa-forwprop.c: Remove phiprop code.
16428
16429 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
16430
16431         PR middle-end/35549
16432         * omp-low.c (maybe_lookup_decl): Constify first argument.
16433         (use_pointer_for_field): Change last argument from bool to
16434         omp_context *.  Disallow shared copy-in/out in nested
16435         parallel if decl is shared in outer parallel too.
16436         (build_outer_var_ref, scan_sharing_clauses,
16437         lower_rec_input_clauses, lower_copyprivate_clauses,
16438         lower_send_clauses, lower_send_shared_vars): Adjust callers.
16439
16440 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
16441             Ira Rosen  <irar@il.ibm.com>
16442
16443         * tree-vectorizer.c (free_stmt_vec_info): New function.
16444         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
16445         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
16446         * tree-vectorizer.h (free_stmt_vec_info): Declare.
16447         * tree-vect-transform.c (vectorizable_conversion): Free
16448         vec_oprnds0 if it was allocated.
16449         (vect_permute_store_chain): Remove unused VECs.
16450         (vectorizable_store): Free VECs that are allocated in the..
16451         function.
16452         (vect_transform_strided_load, vectorizable_load): Likewise.
16453         (vect_remove_stores): Simplify the code.
16454         (vect_transform_loop): Move code to vect_remove_stores().
16455         Call vect_remove_stores() and free_stmt_vec_info().
16456
16457 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16458
16459         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
16460         TARGET_HPUX.  Revise comment.
16461         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
16462         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
16463         Use sr4 variant of `be' instruction when not generating PIC code.
16464         (attr_length_call): Adjust for above change.
16465
16466 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16467
16468         * ipa-reference.c (static_execute): Remove module_statics_const and
16469         associated setting code.
16470
16471 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
16472
16473         PR target/35540
16474         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
16475         predicate for operand 1.
16476         (paritysi2_cmp): Use register_operand predicate for operand 2.
16477         Use earlyclobber modifier for operand 1.  Remove support for
16478         memory operands.
16479         (paritydi2_cmp): Use register_operand predicate for operand 3.
16480         Use earlyclobber modifier for operand 1.  Remove support for
16481         memory operands.
16482
16483 2008-03-11  Paul Brook  <paul@codesourcery.com>
16484             Vladimir Prus  <vladimir@codesourcery.com>
16485
16486         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
16487         (arm_compute_save_reg0_reg12_mask): Always
16488         check if register 11 must be saved.  Always safe hard frame pointer
16489         when frame_pointer_needeed.
16490         (arm_compute_save_reg_mask): Save IP and PC
16491         only with apcs frames.
16492         (arm_output_epilogue): Adjust Thumb2 codepath to
16493         be also invoked and work for ARM non-apcs frames.
16494         (arm_expand_prologue): Don't bother saving IP
16495         for non-apcs frame, since it's not clobbered by
16496         prologue code.  Implement non-apcs frame
16497         layout.
16498
16499 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
16500
16501         PR rtl-optimization/35281
16502         * expr.c (convert_move): Use a new pseudo for the intermediate
16503         from_mode->word_mode result.
16504
16505 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
16506
16507         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
16508         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
16509         * toplev.c (compile_file): Don't call it.
16510
16511 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
16512
16513         PR middle-end/35526
16514         * expr.c (store_expr): Call emit_block_move if the mode
16515         of "temp" RTX is BLKmode.
16516
16517 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16518             Richard Guenther  <rguenther@suse.de>
16519
16520         PR tree-optimization/31358
16521         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
16522         the step with a NULL_TREE.
16523         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
16524         to sizetype if type is a pointer type.
16525         (add_candidate_1): Don't convert the base and step to
16526         the generic type if the orginal type is a pointer type.
16527         (add_iv_value_candidates): Use sizetype for the step
16528         if type is a pointer type.
16529         (cand_value_at): Likewise.
16530         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
16531         for pointer types.
16532         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
16533         Don't convert the tem affine to the type.
16534         (add_elt_to_tree): Use sizetype for the step if a pointer.
16535         Use POINTER_PLUS_EXPR for pointers.
16536         (aff_combination_to_tree): Use sizetype for the step if a
16537         pointer.
16538
16539 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
16540
16541         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
16542         Remove commutativity hint.
16543
16544 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
16545
16546         PR c/35438
16547         PR c/35439
16548         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
16549         errorneous type.  Check that v is a VAR_DECL.
16550
16551         PR middle-end/35099
16552         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
16553
16554 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
16555
16556         PR tree-optimization/35494
16557         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
16558         may be overriden at link and run time.
16559
16560 2008-03-10  Richard Guenther  <rguenther@suse.de>
16561
16562         PR tree-optimization/34677
16563         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
16564         (poolify_tree): Likewise.
16565         (modify_expr_template): Likewise.
16566         (poolify_modify_stmt): Likewise.
16567         (insert_fake_stores): Handle all component-ref style stores
16568         in addition to INDIRECT_REF.  Also handle complex types.
16569         Do not poolify the inserted load.
16570         (realify_fake_stores): Do not rebuild the tree but only
16571         make it a SSA_NAME copy.
16572         (init_pre): Remove initialzation of modify_expr_template.
16573         Do not allocate modify_expr_node_pool.
16574         (fini_pre): Do not free modify_expr_node_pool.
16575
16576 2008-03-10  Paul Brook  <paul@codesourcery.com>
16577
16578         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
16579         to avoid conflicts.
16580
16581 2008-03-10  Paul Brook  <paul@codesourcery.com>
16582             Mark Shinwell  <shinwell@codesourcery.com>
16583
16584         * config/arm/cortex-r4.md: New.
16585         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
16586         insn attributes.
16587         * config/arm/arm.md: Include cortex-r4.md.
16588         (insn): Add smmls, sdiv and udiv values.
16589         (generic_sched): Don't use generic scheduling for Cortex-R4.
16590         (arm_issue_rate): New function.
16591         (TARGET_SCHED_ISSUE_RATE): Define.
16592
16593 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
16594
16595         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
16596
16597 2008-03-10  Richard Guenther  <rguenther@suse.de>
16598
16599         * tree-ssa-pre.c (get_sccvn_value): Simplify.
16600         (compute_avail): Do not add stmt uses to AVAIL_OUT.
16601
16602 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
16603
16604         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
16605         Set default to true.
16606
16607 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16608
16609         * c.opt (Wsynth): Deprecate.
16610         * doc/invoke.texi (Option Summary, Warning Options): Document
16611         -Wno-format-contains-nul.
16612
16613 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
16614
16615         PR target/35496
16616         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
16617         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
16618
16619 2008-03-09  Ira Rosen  <irar@il.ibm.com>
16620
16621         * config/rs6000/rs6000.c (builtin_description): Rename vector
16622         left shift operations.
16623         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
16624         (altivec_vsl<VI_char>): Rename to ...
16625         (ashl<mode>3): ... new name.
16626         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
16627         gen_ashlv4si3.
16628         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
16629
16630 2008-03-08  Richard Guenther  <rguenther@suse.de>
16631
16632         * coverage.h (tree_coverage_counter_addr): Declare.
16633         * coverage.c (tree_coverage_counter_addr): New function.
16634         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
16635         before using again.
16636         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
16637         (tree_gen_one_value_profiler): Likewise.
16638         (tree_gen_ic_profiler): Likewise.
16639         (tree_gen_average_profiler): Likewise.
16640         (tree_gen_ior_profiler): Likewise.
16641
16642 2008-03-08  Richard Guenther  <rguenther@suse.de>
16643
16644         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
16645         (vn_binary_op_insert): Likewise.
16646         (vn_unary_op_lookup): Likewise.
16647         (vn_unary_op_insert): Likewise.
16648         (vn_nary_op_lookup): Declare.
16649         (vn_nary_op_insert): Likewise.
16650         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
16651         and binary hashes, use a single obstack for unary_op_pool
16652         and binary_op_pool.
16653         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
16654         a single struct vn_nary_op_s.  Store tree code length and
16655         a variable number of operands.
16656         (struct vn_reference_op_struct): Remove unused op2.
16657         (vn_reference_op_eq): Do not compare op2.
16658         (vn_reference_op_compute_hash): Do not compute hash of op2.
16659         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
16660         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
16661         with vn_nary_op_compute_hash.
16662         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
16663         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
16664         vn_nary_op_lookup.
16665         (vn_unary_op_insert, vn_binary_op_insert): Replace with
16666         vn_nary_op_insert.
16667         (visit_unary_op): Call nary functions.
16668         (visit_binary_op): Likewise.
16669         (process_scc): Adjust for struct vn_tables_s changes.
16670         (allocate_vn_table): Likewise.
16671         (free_vn_table): Likewise.
16672         * tree-vn.c (vn_add): Call nary functions.
16673         (vn_lookup): Likewise.
16674
16675 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
16676
16677         PR target/35498
16678         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
16679         wdst back after sync_compare_and_swapqhi_internal.
16680
16681 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
16682
16683         PR target/22152
16684         * config/i386/i386-modes.def (V1DI): New vector mode.
16685         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
16686         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
16687         (MMXMODE248): Ditto.
16688         (MMXMODE): Add V1DI mode.
16689         (mmxvecsize): Change DI mode to V1DI mode.
16690         ("mov<mode>): Use MMXMODEI8 mode iterator.
16691         ("*mov<mode>_internal_rex64"): Ditto.
16692         ("*mov<mode>_internal"): Ditto.
16693         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
16694         ("mmx_sub<mode>3"): Ditto.
16695         ("mmx_adddi3"): Remove insn pattern.
16696         ("mmx_subdi3"): Ditto.
16697         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
16698         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
16699         ("mmx_ashl<mode>3"): Ditto.
16700         ("mmx_lshrdi3"): Remove insn pattern.
16701         ("mmx_ashldi3"): Ditto.
16702         * config/i386/i386.c (classify_argument): Handle V1DImode.
16703         (function_arg_advance_32): Ditto.
16704         (function_arg_32): Ditto.
16705         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
16706         mmx_addv1di3 insn pattern.
16707         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
16708         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
16709         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
16710         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
16711         Remove definitions of built-in functions.
16712         (V1DI_type_node): New node.
16713         (v1di_ftype_v1di_int): Ditto.
16714         (v1di_ftype_v1di_v1di): Ditto.
16715         (v2si_ftype_v2si_si): Ditto.
16716         (v4hi_ftype_v4hi_di): Remove node.
16717         (v2si_ftype_v2si_di): Ditto.
16718         (ix86_init_mmx_sse_builtins): Handle V1DImode.
16719         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
16720         Redefine builtins using def_builtin_const with *_ftype_*_int node.
16721         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
16722         Add new builtins using def_builtin_const.
16723         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
16724         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
16725         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
16726         * config/i386/mmintrin.h (__v1di): New typedef.
16727         (_mm_add_si64): Cast arguments to __v1di type.
16728         (_mm_sub_si64): Ditto.
16729         (_mm_sll_pi16): Cast __count to __v4hi type.
16730         (_mm_sll_pi32): Cast __count to __v2si type.
16731         (_mm_sll_si64): Cast arguments to __v1di type.
16732         (_mm_srl_pi16): Cast __count to __v4hi type.
16733         (_mm_srl_pi32): Cast __count to __v2si type.
16734         (_mm_srl_si64): Cast arguments to __v1di type.
16735         (_mm_sra_pi16): Cast __count to __v4hi type.
16736         (_mm_sra_pi32): Cast __count to __v2si type.
16737         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
16738         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
16739         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
16740         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
16741         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
16742         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
16743         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
16744         (_mm_srai_pi32): Use __builtin_ia32_psradi.
16745         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
16746         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
16747         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
16748         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
16749
16750 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
16751
16752         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
16753
16754 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
16755
16756         PR target/35373
16757         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
16758         reg+const addressing for Altivec modes.  Don't generate reg+reg
16759         addressing for TFmode or TDmode quantities.
16760
16761 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
16762
16763         * c-common.c (vector_types_convertible_p): Call langhook
16764         instead of comptypes.
16765
16766 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16767
16768         PR tree-opt/35402
16769         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
16770         integral and scalar float variables which have a
16771         NULL DECL_INITIAL.
16772
16773 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
16774
16775         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
16776         dwarf_register_span hook when emitting unwind information for
16777         register-to-memory saves.
16778         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
16779         (rs6000_frame_related): Remove call to spe_synthesize_frame.
16780
16781 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
16782
16783         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
16784         for the same VAR_DECL.
16785
16786 2008-03-06  Tom Tromey  <tromey@redhat.com>
16787
16788         * treelang: Delete.
16789         * doc/standards.texi (Standards): Don't mention treelang.
16790         * doc/invoke.texi (Overall Options): Don't mention treelang.
16791         * doc/install.texi (Prerequisites): Don't mention bison or
16792         treelang.
16793         (Configuration): Don't mention treelang.
16794         (Building): Likewise.
16795         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
16796
16797 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
16798
16799         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
16800         word-extractions out of a multi-word object.
16801
16802 2008-03-06  Richard Guenther  <rguenther@suse.de>
16803
16804         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
16805         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
16806         result type and precision.
16807         * expr.c (get_inner_reference): Set unsignedp based on the result
16808         type of BIT_FIELD_REF.
16809         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
16810         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
16811         (try_instantiate_multiple_fields): Likewise.  Use the correct type
16812         for BIT_FIELD_REF.
16813         (sra_build_assignment): Likewise.
16814         (sra_build_elt_assignment): Likewise.
16815         (sra_explode_bitfield_assignment): Likewise.
16816         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
16817         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
16818         set BIT_FIELD_REF_UNSIGNED.
16819         (vectorizable_load): Likewise.
16820
16821 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
16822
16823         * cse.c (cse_extended_basic_block): Invalidate artificial defs
16824         at bb start.
16825
16826 2008-03-06  Richard Guenther  <rguenther@suse.de>
16827
16828         * alias.c (struct alias_set_entry): Move has_zero_child field
16829         to pack with alias_set.
16830
16831 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
16832
16833         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
16834         32bit host.
16835
16836 2008-03-05  Ian Lance Taylor  <iant@google.com>
16837
16838         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
16839
16840 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
16841
16842         * fwprop.c (update_df): Support width and offset parameters of
16843         df_ref_create.
16844         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
16845         global_conflicts): Change DF_REF_EXTRACT to either
16846         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
16847         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
16848         * df-scan.c (df_ref_record, df_defs_record,
16849         df_ref_create_structure, df_def_record_1, df_uses_record,
16850         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
16851         df_bb_refs_collect, df_entry_block_defs_collect,
16852         df_exit_block_uses_collect): Support new width and offset fields.
16853         (ref_extract_pool): New storage pool.
16854         (df_free_ref): New function.
16855         (df_reg_chain_unlink, df_free_collection_rec,
16856         df_sort_and_compress_refs): Call df_free_ref.
16857         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
16858         of df_ref_extract.
16859         (df_ref_create_structure): Allocate df_ref_extract if offset and
16860         width fields are used.
16861         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
16862         (df_uses_record): Get offset and width from ZERO_EXTRACT
16863         and SIGN_EXTRACT.
16864         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
16865         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
16866         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
16867         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
16868         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
16869         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
16870         (df_ref_extract): New structure.
16871         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
16872         (df_ref_create): Add width and offset parameters.
16873
16874 2008-03-05  Richard Guenther  <rguenther@suse.de>
16875
16876         * tree-ssa-structalias.c (get_constraint_for_component_ref):
16877         Use ranges_overlap_p.
16878         (offset_overlaps_with_access): Rename
16879         to ranges_overlap_p and move ...
16880         * tree-flow-inline.h (ranges_overlap_p): ... here.
16881
16882         * tree.h (get_inner_reference, handled_component_p): Update
16883         comments.
16884
16885         * tree.h (record_component_aliases, get_alias_set,
16886         alias_sets_conflict_p, alias_sets_must_conflict_p,
16887         objects_must_conflict_p): Move declarations ...
16888         * alias.h (record_component_aliases, get_alias_set,
16889         alias_sets_conflict_p, alias_sets_must_conflict_p,
16890         objects_must_conflict_p): ... here.
16891         Include coretypes.h.
16892         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
16893
16894 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
16895
16896         * cfg.c: Include tree-flow.h.
16897         (remove_edge_raw): Call redirect_edge_var_map_clear.
16898         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
16899         * tree-flow-inline.h (redirect_edge_var_map_def): New.
16900         (redirect_edge_var_map_result): New.
16901         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
16902         PENDING_STMT use with redirect_edge_var_map_*.
16903         * tree-ssa.c (edge_var_maps): New definition.
16904         (redirect_edge_var_map_add): New.
16905         (redirect_edge_var_map_clear): New.
16906         (redirect_edge_var_map_dup): New.
16907         (redirect_edge_var_map_vector): New.
16908         (redirect_edge_var_map_destroy): New.
16909         (ssa_redirect_edge): Replace PENDING_STMT use with
16910         redirect_edge_var_map_*.
16911         (flush_pending_stmts): Same.
16912         (delete_tree_ssa): Destroy edge var map.
16913         * tree-flow.h (struct _edge_var_map): New.
16914         Define edge_var_map vector type.
16915         Declare redirect_edge_var_map_* prototypes.
16916         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
16917         * tree-cfg.c (reinstall_phi_args): Replace
16918         PENDING_STMT use with redirect_edge_var_map_*.
16919
16920 2008-03-05  Richard Guenther  <rguenther@suse.de>
16921
16922         PR tree-optimization/35472
16923         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
16924         whose single use_stmt has a overlapping set of loaded and
16925         stored symbols as that use_stmt might be a noop assignment then.
16926
16927 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
16928
16929         * gthr-rtems.h: Implement __gthread_mutex_destroy.
16930
16931 2008-03-05  Richard Guenther  <rguenther@suse.de>
16932
16933         PR c++/35336
16934         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
16935         should be constants.
16936         * tree-cfg.c (verify_expr): Verify it.
16937         * fold-const.c (fold_truthop): Remove code generating
16938         BIT_FIELD_REFs of structure bases.
16939         (fold_binary): Likewise.
16940         (fold_ternary): Position and size of BIT_FIELD_REFs are
16941         always host integers.
16942         (make_bit_field_ref): Remove.
16943         (optimize_bit_field_compare): Remove.
16944         (all_ones_mask_p): Remove.
16945
16946 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
16947
16948         PR gcc/33009
16949         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
16950         (split_block_and_df_analyze): New. Split basic block and rebuild
16951         dataflow.
16952         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
16953         SPLIT_BLOCK.
16954         (split_pattern_seq): Likewise.
16955         (erase_matching_seqs): Likewise.
16956         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
16957
16958 2008-03-04  Geoff Keating  <geoffk@apple.com>
16959
16960         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
16961         declaration and code.
16962         (tree_invalid_nonnegative_warnv_p): Likewise.
16963
16964 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
16965
16966         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
16967         examples.  Truncate option-names then causing overfull hbox.
16968
16969 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16970
16971         PR target/35222
16972         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
16973         on hpux10.
16974         * configure: Rebuilt.
16975
16976 2008-03-04  Rafael Espindola  <espindola@google.com>
16977
16978         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
16979         (tree_unary_nonnegative_warnv_p): New.
16980         (tree_binary_nonnegative_warnv_p): New.
16981         (tree_single_nonnegative_warnv_p): New.
16982         (tree_invalid_nonnegative_warnv_p): New.
16983         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
16984
16985 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
16986
16987         PR 28322
16988         * opts.c (handle_option): Postpone 'unknown option' errors only for
16989         warning options.
16990
16991 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
16992
16993         PR target/35453
16994         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
16995         (_SIDD_XXX): This.
16996
16997 2008-03-04  Rafael Espindola  <espindola@google.com>
16998
16999         * fold-const.c (tree_unary_nonzero_warnv_p): New.
17000         (tree_binary_nonzero_warnv_p): New.
17001         (tree_single_nonzero_warnv_p): New.
17002         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
17003
17004 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
17005
17006         PR middle-end/35456
17007         * fold-const.c (fold_cond_expr_with_comparison): Prevent
17008         transformations for modes that have signed zeros.
17009         * ifcvt.c (noce_try_abs): Ditto.
17010
17011 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
17012
17013         * config/i386/i386.c (override_options): Force
17014         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
17015
17016 2008-03-04  Jan Hubicka  <jh@suse.cz>
17017
17018         PR c++/35262
17019         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
17020         in last commit.
17021
17022 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17023
17024         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
17025         label to probe the stack.
17026
17027 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17028
17029         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
17030         (__gthr_win32_mutex_destroy): Declare.
17031         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
17032         __gthr_win32_mutex_destroy.
17033         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
17034
17035 2008-03-03  Jan Hubicka  <jh@suse.cz>
17036
17037         PR c++/35262
17038         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
17039         aggressive on inlining cold calls.
17040
17041 2008-03-03  Richard Guenther  <rguenther@suse.de>
17042
17043         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
17044         struct copies into the expression table.
17045         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
17046         (try_to_simplify): Likewise.
17047         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
17048         integral and pointer arguments which do not change the
17049         precision to NOP_EXPRs.
17050         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
17051         VIEW_CONVERT_EXPR case.
17052
17053 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
17054
17055         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
17056         defined in a loop at depth 0 is invariant.
17057         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
17058         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
17059         be called at loop depth 0.
17060
17061 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
17062
17063         PR driver/35420
17064         * gcc.c (process_command): Update copyright notice dates.
17065         * gcov.c (print_version): Likewise.
17066         * gcov-dump.c (print_version): Likewise.
17067         * mips-tfile.c (main): Likewise.
17068         * mips-tdump.c (main): Likewise.
17069
17070 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17071
17072         PR 24924
17073         * c-common.c (flag_permissive): Delete.
17074         (constant_expression_warnings): Check flags first.
17075         (constant_expression_error): New.
17076         * c-common.h (flag_permissive): Delete.
17077         (constant_expression_error): Declare.
17078         * flags.h (flag_permissive): Declare. Update description.
17079         * diagnostic.c (pedwarn): Update.
17080         (permerror): New.
17081         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
17082         (permissive_error_kind): New.
17083         * toplev.c (flag_permissive): Define. Update description.
17084         * toplev.h (permissive_error_kind): Declare.
17085         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
17086         (pedwarn_c90): Use pedantic_warning_kind.
17087         * c-opts.c (c_common_post_options): flag_permissive does not affect
17088         flag_pedantic_errors.
17089
17090 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
17091
17092         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
17093         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
17094         __absvsi2, __absvDI2): Use unsigned arithmetic.
17095
17096 2008-03-02  Andi Kleen  <ak@suse.de>
17097             Richard Guenther  <rguenther@suse.de>
17098
17099         * struct-equiv.c: Remove file.
17100         * cfg_cleanup.c (condjump_equiv_p): Remove.
17101         * Makefile.in (OBJS-common): Remove struct-equiv.o.
17102         (struct-equiv.o): Remove rule.
17103         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
17104         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
17105         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
17106
17107 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17108
17109         * ifcvt.c (noce_process_if_block): Try to handle only the then
17110         block if the else block exists but isn't suitable.
17111
17112 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17113
17114         PR gcc/35063
17115         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
17116         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
17117         regression from previous patch.
17118
17119 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17120
17121         PR gcc/35063
17122         * gthr.h: Add __gthread_mutex_destroy as a function that must be
17123         implemented.
17124         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
17125         * gthr-single.h (__gthread_mutex_destroy): Likewise.
17126         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
17127         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
17128         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
17129         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
17130         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
17131         (__gthread_mutex_destroy_function): Rename to
17132         __gthread_mutex_destroy.
17133         * gthr-dce.h (__gthread_mutex_destroy): Call
17134         pthread_mutex_destroy.
17135         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
17136         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
17137         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
17138
17139 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17140
17141         * df-scan.c (df_ref_chain_change_bb): Simplify.
17142         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
17143         set_block_for_insn if there's any change.
17144         * df.h ((df_insn_change_bb): Fix prototype.
17145         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
17146         df_insn_change_bb, don't call set_block_for_insn.
17147         * emit-rtl.c (reorder_insns): Likewise.
17148         * haifa-sched.c (move_insn): Likewise.
17149
17150 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17151
17152         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
17153
17154 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17155
17156         * tree-flow-inline.h (next_readonly_imm_use): Return
17157         NULL_USE_OPERAND_P after the end.
17158
17159 2008-03-01  Richard Guenther  <rguenther@suse.de>
17160
17161         PR tree-optimization/35411
17162         * tree-sra.c (sra_build_assignment): Split conversion to
17163         final type to a separate statement if we are not assigning
17164         to a register.
17165
17166 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
17167
17168         * fold-const.c (fold_convertible_p): Correct the logic to follow
17169         that in fold_convert().
17170
17171 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
17172
17173         PR c++/35315
17174         * tree-inline.c (build_duplicate_type): When we make a
17175         duplicate type, make it unique in the canonical types system.
17176
17177 2008-02-29  Tom Tromey  <tromey@redhat.com>
17178
17179         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
17180         input_file_stack_history, input_file_stack_restored): Remove.
17181         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17182         * input.h (struct file_stack): Remove.
17183         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17184         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
17185         Likewise.
17186         * diagnostic.h (struct diagnostic_context) <last_module>: Change
17187         type.
17188         (diagnostic_last_module_changed): Add 'map' argument.
17189         (diagnostic_set_last_function): Likewise.
17190         * diagnostic.c (undiagnostic_report_current_module): Iterate using
17191         line map, not input_file_stack.
17192         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
17193
17194 2008-02-29  Paul Brook  <paul@codesourcery.com>
17195
17196         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
17197
17198 2008-02-29  Paul Brook  <paul@codesourcery.com>
17199
17200         * config/arm/ieee754-df.S (muldf3): Use RET macros.
17201
17202 2008-02-29  Richard Guenther  <rguenther@suse.de>
17203
17204         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
17205         vn_lookup_or_add.
17206         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
17207         value for comparing for a store match.
17208         (simplify_unary_expression): Do nothing for SSA_NAMEs.
17209         (try_to_simplify): Do not do a full-blown reference lookup.
17210
17211 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
17212
17213         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
17214         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17215
17216         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
17217
17218 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
17219
17220         * tree-loop-linear.c (try_interchange_loops): Compare memory access
17221         strides against cache sizes.
17222
17223 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
17224
17225         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
17226         constant to fpul.
17227
17228 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
17229
17230         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
17231         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
17232         is smaller than the original promoted value.
17233         (simplify_subreg): If OP is a SUBREG, try to preserve its
17234         SUBREG_PROMOTED_VAR_P information.
17235
17236 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
17237
17238         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
17239         (VN_INFO_GET): Allocate new objects on the obstack.
17240         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
17241         for rpo_numbers_temp, for consistency.
17242         (free_scc_vn): Free the obstack.
17243
17244 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
17245
17246         * doc/invoke.texi: Document -ftree-loop-distribution.
17247         * tree-loop-distribution.c: New.
17248         * tree-pass.h (pass_loop_distribution): New.
17249         * graphds.h (struct graph): Add htab_t indices.
17250         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
17251         * tree-vectorizer.c (rename_variables_in_loop): Extern.
17252         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
17253         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
17254         * tree-data-ref.c (debug_data_dependence_relations): New.
17255         (dump_data_dependence_relation): Also print data references.
17256         (free_data_ref): Extern.
17257         (same_access_functions): Moved...
17258         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
17259         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
17260         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
17261         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
17262         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
17263         (stmts_from_loop): Skip LABEL_EXPR.
17264         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
17265         New.
17266         (build_rdg): Initialize rdg->indices htab.
17267         (free_rdg, stores_from_loop, ref_base_address,
17268         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
17269         have_similar_memory_accesses_1, ref_base_address_1,
17270         remove_similar_memory_refs): New.
17271         * tree-data-ref.h: Depend on tree-chrec.h.
17272         (debug_data_dependence_relations, free_data_ref): Declared.
17273         (same_access_functions): ... here.
17274         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
17275         New.
17276         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
17277         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
17278         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
17279         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
17280         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
17281         rdg_vertex_for_stmt): Declared.
17282         (struct rdg_edge): Add level.
17283         (RDGE_LEVEL): New.
17284         (free_rdg, stores_from_loop, remove_similar_memory_refs,
17285         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
17286         Declared.
17287         (rdg_has_similar_memory_accesses): New.
17288         * tree-vect-analyze.c: Remove unused static decls.
17289         * lambda.h (dependence_level): New.
17290         * common.opt (ftree-loop-distribution): New.
17291         * tree-flow.h (mark_virtual_ops_in_bb,
17292         slpeel_tree_duplicate_loop_to_edge_cfg,
17293         rename_variables_in_loop): Declared.
17294         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
17295         (OBJS-common): Add tree-loop-distribution.o.
17296         (tree-loop-distribution.o): New rule.
17297         * tree-cfg.c (mark_virtual_ops_in_bb): New.
17298         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
17299         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
17300
17301 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
17302
17303         PR target/33963
17304         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
17305         other than structures and unions.
17306
17307 2008-02-28  Richard Guenther  <rguenther@suse.de>
17308
17309         Revert:
17310         2008-02-26  Richard Guenther  <rguenther@suse.de>
17311
17312         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17313         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17314         (lookup_decl_from_uid): Declare.
17315         (remove_decl_from_map): Likewise.
17316         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17317         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17318         (decl_for_uid_map): New global hashtable mapping DECL_UID
17319         to the decl tree.
17320         (init_ttree): Allocate it.
17321         (insert_decl_to_uid_decl_map): New helper function.
17322         (make_node_stat): Insert new decls into the map.
17323         (copy_node_stat): Likewise.
17324         (lookup_decl_from_uid): New function.
17325         (remove_decl_from_map): Likewise.
17326         (print_decl_for_uid_map_statistics): New helper.
17327         (dump_tree_statistics): Call it.
17328
17329         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17330         (referenced_var_iterator): Adjust.
17331         (FOR_EACH_REFERENCED_VAR): Adjust.
17332         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17333         (num_referenced_vars): Adjust.
17334         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17335         (first_referenced_var): Remove.
17336         (end_referenced_vars_p): Likewise.
17337         (next_referenced_var): Likewise.
17338         (referenced_var_iterator_set): New helper function.
17339         * tree-dfa.c (referenced_var_lookup): Adjust.
17340         (referenced_var_check_and_insert): Likewise.
17341         (remove_referenced_var): Likewise.
17342         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17343         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17344         (verify_call_clobbering): Likewise.
17345         (verify_memory_partitions): Likewise.
17346         (init_tree_ssa): Allocate bitmap instead of hashtable for
17347         referenced_vars.
17348         (delete_tree_ssa): Adjust.
17349         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17350         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17351         (compute_tag_properties): Likewise.
17352         (set_initial_properties): Likewise.
17353         (find_partition_for): Likewise.
17354         (update_reference_counts): Likewise.
17355         (dump_may_aliases_for): Likewise.
17356         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17357         (add_call_clobber_ops): Likewise.
17358         (add_call_read_ops): Likewise.
17359         (get_asm_expr_operands): Likewise.
17360         * tree-into-ssa.c (dump_decl_set): Likewise.
17361         (update_ssa): Likewise.
17362         * tree-sra.c (scan_function): Likewise.
17363         (decide_instantiations): Likewise.
17364         (scalarize_parms): Likewise.
17365         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17366         (dsa_named_for): Likewise.
17367         * tree-ssa-structalias.c (update_alias_info): Likewise.
17368         (merge_smts_into): Likewise.
17369
17370 2008-02-27  David Daney  <ddaney@avtrex.com>
17371
17372         PR target/34409
17373         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
17374         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
17375         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
17376         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
17377         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
17378
17379 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
17380
17381         PR target/25477
17382         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
17383         (BUILT_IN_NEXTTOWARD): Remove.
17384         (BUILT_IN_NEXTTOWARDF): Ditto.
17385         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
17386         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
17387
17388 2008-02-27  Tom Tromey  <tromey@redhat.com>
17389
17390         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
17391         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
17392
17393 2008-02-27  Jan Beulich  <jbeulich@novell.com>
17394
17395         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
17396         update the respective field on newdecl.
17397
17398 2008-02-27  Revital Eres  <eres@il.ibm.com>
17399
17400         PR rtl-optimization/34999
17401         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
17402         crossing edges that ends with a call insn.
17403         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
17404         call insn and clear the EDGE_CROSSING flag of the crossing edge
17405         when fixing fallthru edges.
17406
17407 2008-02-27  Richard Guenther  <rguenther@suse.de>
17408
17409         PR middle-end/35390
17410         * fold-const.c (fold_unary): Return the correct argument,
17411         converted to the result type.
17412
17413 2008-02-27  Richard Guenther  <rguenther@suse.de>
17414
17415         PR middle-end/34971
17416         * expr.c (expand_expr_real_1): Assert on rotates that operate
17417         on partial modes.
17418         * fold-const.c (fold_binary): Use the types precision, not the
17419         bitsize of the mode if folding rotate expressions.  Build rotates
17420         only for full modes.
17421
17422 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
17423
17424         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
17425         and CPP_PRAGMA_EOL.
17426         * c-pragma.c (pragma_ns_name): New typedef.
17427         (registered_pp_pragmas): New variable.
17428         (c_pp_lookup_pragma): New function.
17429         (c_register_pragma_1): If flag_preprocess_only, do nothing
17430         for non-expanded pragmas, for expanded ones push pragma's
17431         namespace and name into registered_pp_pragmas vector.
17432         (c_invoke_pragma_handler): Register OpenMP pragmas even when
17433         flag_preprocess_only, don't register GCC pch_preprocess
17434         pragma if flag_preprocess_only.
17435         * c-opts.c (c_common_init): Call init_pragma even if
17436         flag_preprocess_only.
17437         * c-pragma.c (c_pp_lookup_pragma): New prototype.
17438         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
17439         cpp_register_pragma if flag_preprocess_only.
17440
17441 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17442
17443         PR c/28800
17444         * c-parser.c (c_parser_translation_unit): Warn for empty
17445         translation unit, not empty source file.
17446
17447 2008-02-26  Paul Brook  <paul@codesourcery.com>
17448
17449         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
17450         operand for Thumb-2.
17451         * config/arm/arm.h (reg_class): Add CORE_REGS.
17452         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
17453         (BASE_REG_CLASS): Use CORE_REGS.
17454         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
17455         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
17456         (REGNO_OK_FOR_INDEX_P): Exclude SP.
17457         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
17458         ARM_REGNO_OK_FOR_INDEX_P.
17459         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
17460         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
17461         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
17462         (ldm/stm peepholes): Ditto.
17463         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
17464         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
17465         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
17466         * config/arm/constraints.md: Enable "k" constraint on ARM.
17467
17468 2008-02-27  Ben Elliston  <bje@au.ibm.com>
17469
17470         * config/rs6000/rs6000.c: Annotate cache line size field in all
17471         instances of struct processor_costs.
17472
17473 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
17474
17475         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
17476         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
17477         jump_bypass): New counters.
17478         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
17479         * dce.c (gate_ud_dce): Same.
17480         (gate_fast_dce): Same.
17481         * dse.c (gate_dse1): New function.
17482         (gate_dse2): New function.
17483         (gate_dse): Merge results of new gate functions.
17484         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
17485         (gate_handle_jump_bypass): Add dbg_cnt.
17486         (gate_handle_gcse): Add dbg_cnt.
17487         * ifcvt.c (gate_handle_if_conversion): Same.
17488         (gate_handle_if_after_combine): Same.
17489         (gate_handle_if_after_reload): Same.
17490         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
17491
17492 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
17493
17494         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
17495         line sizes.
17496         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
17497
17498 2008-02-26  Jason Merrill  <jason@redhat.com>
17499
17500         PR c++/35315
17501         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
17502         alone if it's the naming decl for the type's main variant.
17503
17504 2008-02-26  Tom Tromey  <tromey@redhat.com>
17505
17506         * system.h (USE_MAPPED_LOCATION): Poison.
17507         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
17508         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
17509         (make_goto_expr_edges): Likewise.
17510         (remove_bb): Likewise.
17511         (execute_warn_function_return): Likewise.
17512         * basic-block.h (struct edge_def) <goto_locus>: Change type to
17513         location_t.
17514         * c-common.c (fname_decl): Remove old location code.
17515         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
17516         location code.
17517         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
17518         variant.
17519         (ASM_INPUT_SOURCE_LOCATION): Likewise.
17520         (gen_rtx_ASM_INPUT): Likewise.
17521         (gen_rtx_ASM_INPUT_loc): Likewise.
17522         (get_rtx_asm_OPERANDS): Remove.
17523         * cfglayout.c (insn_locators_alloc): Remove old location code.
17524         (set_curr_insn_source_location): Likewise.
17525         (curr_insn_locator): Likewise.
17526         * print-tree.c (print_node): Remove old location code.
17527         * tree-mudflap.c (mf_varname_tree): Remove old location code.
17528         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
17529         * cfgexpand.c (expand_gimple_cond_expr): Don't use
17530         location_from_locus.
17531         (construct_exit_block): Remove old location code.
17532         * emit-rtl.c (force_next_line_note): Remove old location code.
17533         * profile.c (branch_prob): Remove old location code.
17534         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
17535         LOC_LINE): Remove old-location variants.
17536         * langhooks.c (lhd_print_error_function): Remove old location
17537         code.
17538         * configure, config.in: Rebuilt.
17539         * configure.ac (--enable-mapped-location): Remove.
17540         * c-decl.c (c_init_decl_processing): Remove old location code.
17541         (finish_function): Likewise.
17542         * recog.c (decode_asm_operands): Remove old location code.
17543         * c-pch.c (c_common_read_pch): Remove old location code.
17544         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
17545         variants.
17546         * gimple-low.c (lower_function_body): Remove old location code.
17547         * toplev.c (unknown_location): Remove.
17548         (push_srcloc): Remove old-location variant.
17549         (process_options): Remove old location code.
17550         (lang_dependent_init): Likewise.
17551         * input.h (UNKNOWN_LOCATION): Move definition.
17552         (location_t): Undeprecate.
17553         (source_locus): Remove.
17554         (location_from_locus): Remove.
17555         (struct location_s): Remove.
17556         Remove all old-location code.
17557         (input_line, input_filename): Remove.
17558         * final.c (final_scan_insn): Remove old location code.
17559         * diagnostic.c (diagnostic_build_prefix): Remove
17560         USE_MAPPED_LOCATION test.
17561         * tree.h (gimple_stmt) <locus>: Now a location_t.
17562         (tree_exp) <locus>: Likewise.
17563         (DECL_IS_BUILTIN): Remove old-location variant.
17564         (annotate_with_file_line, annotate_with_locus): Likewise.
17565         (expr_locus, set_expr_locus): Update.
17566         * tree.c (build1_stat): Remove old location code.
17567         (last_annotated_node): Remove.
17568         (annotate_with_file_line): Remove old-location variant.
17569         (annotate_with_locus): Likewise.
17570         (expr_location): Remove old location code.
17571         (set_expr_location): Likewise.
17572         (expr_has_location): Likewise.
17573         (expr_locus): Likewise.
17574         (set_expr_locus): Likewise.
17575         (expr_filename): Don't use location_from_locus.
17576         (expr_lineno): Likewise.
17577         * rtl-error.c (location_for_asm): Remove old location code.
17578         * c-lex.c (cb_line_change): Remove old location code.
17579         (fe_file_change): Likewise.
17580         (cb_def_pragma): Likewise.
17581         (c_lex_with_flags): Likewise.
17582         * gengtype.c (do_typedef): Don't special-case location types.
17583         (define_location_structures): Remove.
17584         (main): Don't call define_location_structures.
17585         * tree-pretty-print.c (dump_implicit_edges): Remove old location
17586         code.
17587
17588 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17589
17590         PR 26264
17591         * builtins.def (BUILT_IN_STDARG_START): Remove.
17592         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
17593         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
17594         * tree-inline.c (inline_forbidden_p_1): Likewise.
17595
17596 2008-02-26  Richard Guenther  <rguenther@suse.de>
17597
17598         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17599         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17600         (lookup_decl_from_uid): Declare.
17601         (remove_decl_from_map): Likewise.
17602         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17603         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17604         (decl_for_uid_map): New global hashtable mapping DECL_UID
17605         to the decl tree.
17606         (init_ttree): Allocate it.
17607         (insert_decl_to_uid_decl_map): New helper function.
17608         (make_node_stat): Insert new decls into the map.
17609         (copy_node_stat): Likewise.
17610         (lookup_decl_from_uid): New function.
17611         (remove_decl_from_map): Likewise.
17612         (print_decl_for_uid_map_statistics): New helper.
17613         (dump_tree_statistics): Call it.
17614
17615         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17616         (referenced_var_iterator): Adjust.
17617         (FOR_EACH_REFERENCED_VAR): Adjust.
17618         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17619         (num_referenced_vars): Adjust.
17620         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17621         (first_referenced_var): Remove.
17622         (end_referenced_vars_p): Likewise.
17623         (next_referenced_var): Likewise.
17624         (referenced_var_iterator_set): New helper function.
17625         * tree-dfa.c (referenced_var_lookup): Adjust.
17626         (referenced_var_check_and_insert): Likewise.
17627         (remove_referenced_var): Likewise.
17628         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17629         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17630         (verify_call_clobbering): Likewise.
17631         (verify_memory_partitions): Likewise.
17632         (init_tree_ssa): Allocate bitmap instead of hashtable for
17633         referenced_vars.
17634         (delete_tree_ssa): Adjust.
17635         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17636         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17637         (compute_tag_properties): Likewise.
17638         (set_initial_properties): Likewise.
17639         (find_partition_for): Likewise.
17640         (update_reference_counts): Likewise.
17641         (dump_may_aliases_for): Likewise.
17642         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17643         (add_call_clobber_ops): Likewise.
17644         (add_call_read_ops): Likewise.
17645         (get_asm_expr_operands): Likewise.
17646         * tree-into-ssa.c (dump_decl_set): Likewise.
17647         (update_ssa): Likewise.
17648         * tree-sra.c (scan_function): Likewise.
17649         (decide_instantiations): Likewise.
17650         (scalarize_parms): Likewise.
17651         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17652         (dsa_named_for): Likewise.
17653         * tree-ssa-structalias.c (update_alias_info): Likewise.
17654         (merge_smts_into): Likewise.
17655
17656 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17657
17658         PR 34351
17659         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
17660         * c-opts.c (c_common_handle_option): Wall enables
17661         Wvolatile-register-var.
17662         * common.opt: Move Wvolatile-register-var to...
17663         * c.opt: ...here.
17664
17665 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17666
17667         * common.opt (Wlarger-than=): New.
17668         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
17669         -Wlarger-than=.
17670         * opts.c (common_handle_option): Handle -Wlarger-than=.
17671         * optc-gen.awk: Likewise.
17672         * opth-gen.awk: Likewise.
17673         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
17674         * tree-optimize.c (tree_rest_of_compilation): Likewise.
17675
17676 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17677
17678         * c-common.c (match_case_to_enum_1): Add appropriate
17679         OPT_W* parameter to warning.
17680         (c_do_switch_warnings): Likewise.
17681         * c-typeck.c (warning_init): Add one more parameter following
17682         'warning' function.
17683         (push_init_level): Update call to warning_init.
17684         (pop_init_level): Likewise.
17685         (add_pending_init): Likewise.
17686         (output_init_element: Likewise.
17687
17688 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17689
17690         PR 28322
17691         * toplev.c (toplev_main): If there are warnings or error, print
17692         errors for ignored options.
17693         * opts.c (ignored_options): New static variable.
17694         (postpone_unknown_option_error): New.
17695         (print_ignored_options): New.
17696         (handle_option): Postpone errors for unknown -Wno-* options.
17697         * opts.h (print_ignored_options): Declare.
17698
17699 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
17700
17701         * config/mips/mips.md (loadgp_blockage, blockage): Change type
17702         to "ghost".
17703
17704 2008-02-25  Richard Guenther  <rguenther@suse.de>
17705
17706         Revert:
17707         2008-02-25  Richard Guenther  <rguenther@suse.de>
17708
17709         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17710         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17711         (lookup_decl_from_uid): Declare.
17712         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17713         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17714         (decl_for_uid_map): New global hashtable mapping DECL_UID
17715         to the decl tree.
17716         (init_ttree): Allocate it.
17717         (insert_decl_to_uid_decl_map): New helper function.
17718         (make_node_stat): Insert new decls into the map.
17719         (copy_node_stat): Likewise.
17720         (lookup_decl_from_uid): New function.
17721         (print_decl_for_uid_map_statistics): New helper.
17722         (dump_tree_statistics): Call it.
17723
17724         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17725         (referenced_var_iterator): Adjust.
17726         (FOR_EACH_REFERENCED_VAR): Adjust.
17727         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17728         (num_referenced_vars): Adjust.
17729         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17730         (first_referenced_var): Remove.
17731         (end_referenced_vars_p): Likewise.
17732         (next_referenced_var): Likewise.
17733         (referenced_var_iterator_set): New helper function.
17734         * tree-dfa.c (referenced_var_lookup): Adjust.
17735         (referenced_var_check_and_insert): Likewise.
17736         (remove_referenced_var): Likewise.
17737         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17738         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17739         (verify_call_clobbering): Likewise.
17740         (verify_memory_partitions): Likewise.
17741         (init_tree_ssa): Allocate bitmap instead of hashtable for
17742         referenced_vars.
17743         (delete_tree_ssa): Adjust.
17744         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17745         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17746         (compute_tag_properties): Likewise.
17747         (set_initial_properties): Likewise.
17748         (find_partition_for): Likewise.
17749         (update_reference_counts): Likewise.
17750         (dump_may_aliases_for): Likewise.
17751         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17752         (add_call_clobber_ops): Likewise.
17753         (add_call_read_ops): Likewise.
17754         (get_asm_expr_operands): Likewise.
17755         * tree-into-ssa.c (dump_decl_set): Likewise.
17756         (update_ssa): Likewise.
17757         * tree-sra.c (scan_function): Likewise.
17758         (decide_instantiations): Likewise.
17759         (scalarize_parms): Likewise.
17760         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17761         (dsa_named_for): Likewise.
17762         * tree-ssa-structalias.c (update_alias_info): Likewise.
17763         (merge_smts_into): Likewise.
17764
17765 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
17766
17767         PR fortran/29549
17768         * doc/invoke.texi (-fcx-limited-range): Document new option.
17769         * toplev.c (process_options): Handle -fcx-fortran-rules.
17770         * common.opt: Add documentation for -fcx-fortran-rules.
17771
17772 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
17773
17774         PR c/35162
17775         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
17776         actual behaviour and C99.
17777
17778 2008-02-26  Ben Elliston  <bje@au.ibm.com>
17779
17780         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
17781         (ASM_CPU_POWER6_SPEC): Likewise.
17782         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
17783         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
17784         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
17785
17786 2008-02-25  Richard Guenther  <rguenther@suse.de>
17787
17788         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17789         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17790         (lookup_decl_from_uid): Declare.
17791         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17792         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17793         (decl_for_uid_map): New global hashtable mapping DECL_UID
17794         to the decl tree.
17795         (init_ttree): Allocate it.
17796         (insert_decl_to_uid_decl_map): New helper function.
17797         (make_node_stat): Insert new decls into the map.
17798         (copy_node_stat): Likewise.
17799         (lookup_decl_from_uid): New function.
17800         (print_decl_for_uid_map_statistics): New helper.
17801         (dump_tree_statistics): Call it.
17802
17803         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17804         (referenced_var_iterator): Adjust.
17805         (FOR_EACH_REFERENCED_VAR): Adjust.
17806         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17807         (num_referenced_vars): Adjust.
17808         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17809         (first_referenced_var): Remove.
17810         (end_referenced_vars_p): Likewise.
17811         (next_referenced_var): Likewise.
17812         (referenced_var_iterator_set): New helper function.
17813         * tree-dfa.c (referenced_var_lookup): Adjust.
17814         (referenced_var_check_and_insert): Likewise.
17815         (remove_referenced_var): Likewise.
17816         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17817         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17818         (verify_call_clobbering): Likewise.
17819         (verify_memory_partitions): Likewise.
17820         (init_tree_ssa): Allocate bitmap instead of hashtable for
17821         referenced_vars.
17822         (delete_tree_ssa): Adjust.
17823         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17824         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17825         (compute_tag_properties): Likewise.
17826         (set_initial_properties): Likewise.
17827         (find_partition_for): Likewise.
17828         (update_reference_counts): Likewise.
17829         (dump_may_aliases_for): Likewise.
17830         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17831         (add_call_clobber_ops): Likewise.
17832         (add_call_read_ops): Likewise.
17833         (get_asm_expr_operands): Likewise.
17834         * tree-into-ssa.c (dump_decl_set): Likewise.
17835         (update_ssa): Likewise.
17836         * tree-sra.c (scan_function): Likewise.
17837         (decide_instantiations): Likewise.
17838         (scalarize_parms): Likewise.
17839         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17840         (dsa_named_for): Likewise.
17841         * tree-ssa-structalias.c (update_alias_info): Likewise.
17842         (merge_smts_into): Likewise.
17843
17844 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
17845
17846         PR target/35258
17847         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
17848         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
17849         * alias.h (nonoverlapping_memrefs_p): Likewise.
17850
17851 2008-02-25  Jan Beulich  <jbeulich@novell.com>
17852
17853         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
17854         * config/i386/netware-libgcc.exp: Add __bswap?i2,
17855         __emultls_get_address, __emultls_register_common,
17856         __floatundi?f, and _Unwind_GetIPInfo.
17857         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
17858         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
17859         (gen_regparm_prefix): Likewise.
17860         (i386_nlm_encode_section_info): Sync with
17861         config/i386/winnt.c:i386_pe_encode_section_info().
17862         (i386_nlm_maybe_mangle_decl_assembler_name): New.
17863         i386_nlm_mangle_decl_assembler_name): New.
17864         (netware_override_options): New.
17865         * config/i386/netware.h (netware_override_options): Declare.
17866         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
17867         (i386_nlm_mangle_decl_assembler_name): Declare.
17868         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
17869
17870 2008-02-25  Ben Elliston  <bje@au.ibm.com>
17871
17872         PR other/32948
17873         * c-decl.c (grokdeclarator): Remove unused local variables
17874         `typedef_type' and `type_as_written'.
17875         * bb-reorder.c
17876         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
17877         unused local variable `has_hot_blocks'.
17878         (fix_crossing_conditional_branches): Remove unused local variable
17879         `prev_bb'.
17880
17881 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
17882
17883         PR middle-end/19984
17884         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
17885         using DEF_C99_BUILTIN.
17886         (BUILT_IN_NANF): Ditto.
17887         (BUILT_IN_NANL): Ditto.
17888
17889 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
17890             Revital Eres  <eres@il.ibm.com>
17891
17892         * modulo-sched.c (calculate_must_precede_follow): Address TODO
17893         regarding the order of two dependent insns in the same row.
17894
17895 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
17896
17897         * stor-layout.c (layout_decl): Do not bump the alignment of a
17898         bit-field to more than byte alignment if it is packed.
17899
17900 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
17901
17902         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
17903         e300c2 and e300c3.
17904
17905 2008-02-24  Diego Novillo  <dnovillo@google.com>
17906
17907         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
17908
17909         PR 33738
17910         * tree-vrp.c (vrp_evaluate_conditional): With
17911         -Wtype-limits, emit a warning when comparing against a
17912         constant outside the natural range of OP0's type.
17913         * c.opt (Wtype-limits): Move ...
17914         * common.opt (Wtype-limits): ... here.
17915
17916 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
17917
17918         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
17919         * config/rs6000/e300c2c3.md: New file.
17920         * config/rs6000/rs6000.c (processor_costs): Add new costs for
17921         e300c2 and e300c3.
17922         (rs6000_override_options): Add e300c2 and e300c3 cases to
17923         processor_target_table. Do not allow usage of Altivec or Spe
17924         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
17925         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
17926         * config/rs6000/rs6000.h (processor_type): Add
17927         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
17928         (ASM_CPU_SPEC): Add e300c2 and e300c3.
17929         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
17930         and ppce300c3. Include e300c2c3.md.
17931
17932 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
17933
17934         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
17935         instead of TARGET_STRICT_ALIGN.
17936
17937 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
17938
17939         * explow.c (memory_address): Assert that the generated address is
17940         valid.
17941
17942 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
17943
17944         PR target/25477
17945         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
17946         * config/darwin-ppc-ldouble-patch.def: New file.
17947         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
17948         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
17949         SUBTARGET_INIT_BUILTINS if defined.
17950         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
17951         New functions.
17952
17953 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17954
17955         PR rtl-opt/33512
17956         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
17957         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
17958
17959 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17960
17961         PR pch/35027
17962         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
17963         file" warning condtional on -Winvalid-PCH.
17964
17965 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
17966
17967         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
17968
17969 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
17970
17971         PR target/22076
17972         PR target/34256
17973         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
17974         prevent reload from using MMX registers.
17975         (*mov<mode>_internal): Ditto.
17976         (*movv2sf_internal_rex64): Ditto.
17977         (*movv2sf_internal): Ditto.
17978
17979 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17980
17981         PR documentation/31569
17982         * doc/install.texi2html: Use makeinfo --no-number-sections.
17983
17984 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
17985
17986         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
17987         ensure that we can address an entire entity > 8 bytes.  Don't
17988         generate reg+reg addressing for such data.
17989
17990 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
17991
17992         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
17993         strings when optimizing for size, unless the target cares about
17994         alignment.
17995
17996 2008-02-22  Tom Tromey  <tromey@redhat.com>
17997
17998         * regclass.c (current_pass): Remove declaration.
17999
18000 2008-02-22  Anatoly Sokolov <aesok@post.ru>
18001
18002         * config/avr/libgcc.S (__RAMPZ__): Define.
18003         (__do_copy_data): Add for devices with 128KB code memory.
18004
18005 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18006
18007         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
18008         Use spe_abi.
18009         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
18010
18011 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
18012
18013         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
18014         GENNONACR_REGS.
18015
18016 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18017
18018         PR c/19999
18019         * c-typeck.c (build_binary_op): Warn about floating point
18020         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
18021
18022 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
18023
18024         PR target/34526
18025         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
18026         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
18027         add vrsave.
18028         (rs6000_override_options): Set altivec_abi as default, not override,
18029         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
18030         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
18031         is used; use new member spe_abi.
18032         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
18033         spe_abi and altivec_abi.
18034
18035 2008-02-22  Tomas Bily  <tbily@suse.cz>
18036
18037         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
18038
18039 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18040
18041         PR bootstrap/35273
18042         * config.build (build_file_translate): Set to `CMD //c' only if
18043         it works.
18044         * Makefile.in (build_file_translate): Improve comment.
18045
18046 2008-02-21  Jan Hubicka  <jh@suse.cz>
18047
18048         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
18049         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
18050         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
18051
18052 2008-02-21  Michael Matz  <matz@suse.de>
18053
18054         PR target/35264
18055         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
18056
18057 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
18058
18059         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
18060         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
18061         as insn constraint.
18062         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
18063         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
18064         SSE_VEC_FLOAT_MODE_P as insn constraint.
18065         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
18066         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
18067         sse4a_movntdf using MODEF mode iterator.
18068         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
18069         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
18070         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
18071         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
18072         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
18073         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
18074         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
18075
18076 2008-02-21  Richard Guenther  <rguenther@suse.de>
18077
18078         * tree.def (PAREN_EXPR): New tree code.
18079         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
18080         and PAREN_EXPR.
18081         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
18082         * expr.c (expand_expr_real_1): Likewise.
18083         * tree-inline.c (estimate_num_insns_1): Likewise.
18084         * tree-complex.c (expand_complex_move): Likewise.
18085         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
18086         as plain x.
18087
18088 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18089
18090         PR target/35225
18091         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
18092
18093 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18094
18095         PR target/35190
18096         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
18097
18098         * config/sh/sh.c (find_barrier): Don't go past
18099         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
18100
18101 2008-02-20  DJ Delorie  <dj@redhat.com>
18102
18103         * config/h8300/h8300.md (insv): Force source operand to be a register.
18104
18105         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
18106         as a jump, not as a plain insn.
18107
18108 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
18109
18110         * doc/invoke.texi (Warning Options): Add new option
18111         -Wframe-larger-than=.
18112         (-Wframe-larger-than): Document.
18113
18114         * flags.h (warn_frame_larger_than, frame_larger_than_size):
18115         Add declarations for new option variables.
18116
18117         * final.c (final_start_function): Check the frame size
18118         before emission and issue a Wframe-larger-than warning.
18119
18120         * opts.c (warn_frame_larger_than, frame_larger_than_size):
18121         Add definitions for new option variables.
18122         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
18123
18124         * common.opt (Wframe-larger-than=): New option.
18125
18126 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18127
18128         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
18129         (<sse>_div<mode>3): Ditto.
18130         (<sse>_vmdiv<mode>3): Ditto.
18131         (<sse>_vmsqrt<mode>2): Ditto.
18132         (*smax<mode>3): Ditto.
18133         (sse5_frcz<mode>2): Ditto.
18134         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
18135         as insn constraint.
18136
18137 2008-02-20  Richard Guenther  <rguenther@suse.de>
18138
18139         PR middle-end/35265
18140         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
18141         be happy with INTEGRAL_TYPE_P.
18142
18143 2008-02-20  Richard Guenther  <rguenther@suse.de>
18144
18145         * fold-const.c (split_tree): Associate floatig-point expressions
18146         if flag_associative_math is set.
18147
18148 2008-02-20  Richard Guenther  <rguenther@suse.de>
18149
18150         * tree.h (fold_real_zero_addition_p): Declare.
18151         * fold-const.c (fold_real_zero_addition_p): Export.
18152         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
18153         floating-point operations with zero and one.
18154
18155 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
18156
18157         * doc/install.texi: Correct references to CFLAGS, replacing them
18158         with BOOT_CFLAGS.  Document flags used during bootstrap for
18159         target libraries.
18160
18161 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18162
18163         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
18164         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
18165         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
18166         insn constraint.
18167         (smin<mode>3): Ditto from similar patterns.
18168         (smax<mode>3): Ditto.
18169         (*ieee_smin<mode>3): Ditto.
18170         (*ieee_smax<mode>3): Ditto.
18171         * config/i386/sse.md (sse): New mode attribute.
18172         (mov<mode>): Macroize expander from movv4sf and movv2df using
18173         SSEMODEF2P mode iterator.
18174         (<sse>_movnt<mode>): Ditto from similar patterns. Use
18175         SSE_VEC_FLOAT_MODE_P as insn constraint.
18176         (storent<mode>): Ditto.
18177         (storent<mode>): Macroize expander from storentsf and storentdf using
18178         MODEF mode iterator.
18179         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
18180         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
18181         (abs<mode>2): Ditto from similar patterns.
18182         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
18183         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
18184         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
18185         (<sse>_vmsqrt<mode>2): Ditto.
18186         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
18187         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
18188         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
18189         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
18190         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
18191         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
18192         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
18193         insn constraint.
18194         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
18195         iterator and SSE_FLOAT_MODE_P as insn constraint.
18196         (<sse>_ucomi): Ditto from similar patterns.
18197         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
18198         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
18199         SSE_VEC_FLOAT_MODE_P as insn constraint.
18200         (vcond<mode>): Ditto from similar patterns.
18201         (and<mode>3, *and<mode>3): Ditto.
18202         (<sse>_nand<mode>3): Ditto.
18203         (ior<mode>3, *ior<mode>3): Ditto.
18204         (xor<mode>3, *xor<mode>3): Ditto.
18205         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
18206         iterator and SSE_FLOAT_MODE_P as insn constraint.
18207         (*nand<mode>3): Ditto from similar patterns.
18208         (*ior<mode>3): Ditto.
18209         (*xor<mode>3): Ditto.
18210
18211 2008-02-20  Ira Rosen  <irar@il.ibm.com>
18212
18213         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
18214         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
18215         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
18216
18217 2008-02-19  Jan Hubicka  <jh@suse.cz>
18218
18219         * predict.c (tree_bb_level_predictions): Remove variable next
18220         mistakely introduced by previous commit.
18221
18222 2008-02-19  Jan Hubicka  <jh@suse.cz>
18223
18224         * predict.c (predict_paths_leading_to): Rewrite.
18225         (predict_paths_for_bb): New.
18226         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
18227
18228 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18229
18230         PR bootstrap/35218
18231         * Makefile.in (build_file_translate): New.
18232         (gcc-vers.texi): Use it for translating $(abs_srcdir).
18233         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
18234         * configure.ac (build_file_translate): Substitute it.
18235         * configure: Regenerate.
18236
18237 2008-02-19  Jan Hubicka  <jh@suse.cz>
18238
18239         PR rtl-optimization/34408
18240         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
18241         invalid sharing.
18242
18243 2008-02-19  Jan Hubicka  <jh@suse.cz>
18244
18245         PR middle-end/28779
18246         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
18247         call_expr.
18248
18249 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
18250
18251         PR Ada/35186
18252         * config/i386/i386-modes.def: Revert the last DI alignment
18253         change until Ada people can look into it.
18254
18255 2008-02-19  Nick Clifton  <nickc@redhat.com>
18256
18257         * opts.c (print_specific_help): Fix typo in --help text.
18258
18259 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
18260
18261         PR target/35239
18262         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
18263         32-bit inline asm without asm alternatives for host GCC < 3.0.
18264
18265 2008-02-19  Richard Guenther  <rguenther@suse.de>
18266
18267         PR tree-optimization/34989
18268         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
18269         Allow propagation to INDIRECT_REF if we can simplify only.
18270
18271 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18272
18273         * c-common.c (warn_for_collisions_1): Use appropriate option when
18274         warning.
18275
18276 2008-02-19  Nick Clifton  <nickc@redhat.com>
18277
18278         PR other/31349
18279         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
18280         (handle_options): Fix indentation.
18281         (print_filtered_help): If no language-specific options were
18282         displayed tell the user how to list all the options supported by
18283         the language's front-end.
18284         (print_specific_help): Fix indentation and remove duplicate line.
18285         (common_handle_option): Handle the -v option.
18286         For --help enable the display of undocumented options if the -v
18287         switch has been included on the command line.
18288         For --help= check for overlaps in the arguments between the option
18289         classes and the language names and issue a warning when they
18290         cannot be disambiguated.
18291         * c.opt (v): Pass on to the common option handler.
18292
18293 2008-02-19  Revital Eres  <eres@il.ibm.com>
18294
18295         * modulo-sched.c (sms_schedule): Change dump message when
18296         create_ddg function fails.
18297         (try_scheduling_node_in_cycle): Rename row to cycle.
18298         (print_partial_schedule): Rename CYCLE to ROW.
18299
18300 2008-02-19  Christian Bruel  <christian.bruel@st.com>
18301             Zdenek Dvorak  <ook@ucw.cz>
18302
18303         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
18304
18305 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
18306
18307         PR target/33555
18308         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
18309         (*x86_movdicc_0_m1_se): Ditto.
18310
18311 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
18312
18313         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
18314         (CMPtype): Define as __gcc_CMPtype.
18315         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
18316         (CMPtype): Define as __gcc_CMPtype.
18317
18318 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
18319
18320         Support valgrind 3.3 for --enable-checking=valgrind.
18321         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
18322         here.
18323         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
18324         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
18325         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
18326         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
18327         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
18328         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
18329         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
18330         respectively.
18331         * ggc-zone.c: Similar.
18332         * ggc-page.c: Similar.
18333
18334 2008-02-19  Paul Brook  <paul@codesourcery.com>
18335
18336         PR target/35071
18337         * config/arm/ieee754-df.S: Fix do_it typo.
18338         * config/arm/ieee754-sf.S: Fix do_it typo.
18339
18340 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
18341
18342         PR target/35189
18343         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
18344         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
18345         (OPTION_MASK_ISA_SSE_SET): Likewise.
18346         (OPTION_MASK_ISA_SSE2_SET): Likewise.
18347         (OPTION_MASK_ISA_SSE3_SET): Likewise.
18348         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
18349         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
18350         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
18351         (OPTION_MASK_ISA_SSE4_SET): Likewise.
18352         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
18353         (OPTION_MASK_ISA_SSE5_SET): Likewise.
18354         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
18355         (OPTION_MASK_ISA_MMX_UNSET): Updated.
18356         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
18357         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
18358         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
18359         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
18360         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
18361         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
18362         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
18363         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
18364         (OPTION_MASK_ISA_SSE4): Removed.
18365         (ix86_handle_option): Turn on bits in ix86_isa_flags and
18366         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
18367         (override_options): Don't turn on implied SSE/MMX bits in
18368         ix86_isa_flags.
18369
18370 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
18371
18372         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
18373         32bit host.
18374
18375 2008-02-18  Joey Ye  <joey.ye@intel.com>
18376
18377         PR middle-end/34921
18378         * tree-nested.c (insert_field_into_struct): Set type alignment
18379         to field alignment if the former is less than the latter.
18380
18381 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
18382
18383         * BASE-VER: Set to 4.4.0.
18384
18385 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18386
18387         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
18388         * doc/cfg.texi: Likewise.
18389         * doc/extend.texi: Likewise.
18390         * doc/gty.texi: Likewise.
18391         * doc/invoke.texi: Likewise.
18392         * doc/loop.texi: Likewise.
18393         * doc/md.texi: Likewise.
18394         * doc/passes.texi: Likewise.
18395         * doc/rtl.texi: Likewise.
18396         * doc/sourcebuild.texi: Likewise.
18397         * doc/tm.texi: Likewise.
18398         * doc/tree-ssa.texi: Likewise.
18399
18400 2008-02-17  Richard Guenther  <rguenther@suse.de>
18401
18402         PR middle-end/35227
18403         * tree-complex.c (init_parameter_lattice_values): Handle parameters
18404         without default definition.
18405
18406 2008-02-17  Richard Guenther  <rguenther@suse.de>
18407
18408         PR tree-optimization/35231
18409         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
18410         if A | B != 1.
18411
18412 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
18413
18414         Revert:
18415         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18416         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
18417         libgcc_cmp_return mode.
18418
18419 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18420
18421         PR c/28368
18422         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
18423
18424 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
18425
18426         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
18427         multilibs.
18428
18429 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18430
18431         * doc/c-tree.texi: Use `@.' where appropriate.
18432         * doc/extend.texi: Likewise.
18433         * doc/install.texi: Likewise.
18434         * doc/invoke.texi: Likewise.
18435         * doc/loop.texi: Likewise.
18436         * doc/makefile.texi: Likewise.
18437         * doc/md.texi: Likewise.
18438         * doc/passes.texi: Likewise.
18439         * doc/standards.texi: Likewise.
18440         * doc/tm.texi: Likewise.
18441
18442 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
18443
18444         PR middle-end/35196
18445         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
18446         in entry_bb.
18447         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
18448         rather than in entry_bb.
18449
18450 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18451
18452         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
18453         libgcc_cmp_return mode.
18454
18455 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
18456
18457         PR middle-end/35130
18458         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
18459         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
18460
18461 2008-02-15  Richard Guenther  <rguenther@suse.de>
18462             Zdenek Dvorak  <ook@ucw.cz>
18463
18464         PR tree-optimization/35164
18465         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
18466         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
18467         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
18468         Only propagate addresses which do not have abnormal SSA_NAMEs
18469         in their operands.
18470
18471 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
18472
18473         PR target/35088
18474         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
18475
18476 2008-02-15  Jan Hubicka  <jh@suse.cz>
18477
18478         PR middle-end/35149
18479         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
18480
18481 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18482
18483         PR middle-end/34621
18484         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
18485         when calculating alignment_pad.
18486
18487 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18488
18489         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
18490         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
18491         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
18492         and STACK_BOUNDARY define.
18493
18494 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
18495
18496         PR preprocessor/35061
18497         * c-pragma.c (handle_pragma_pop_macro): Check that
18498         pushed_macro_table has been allocated.
18499
18500 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
18501
18502         PR middle-end/35136
18503         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
18504         (force_gimple_operand): Likewise.
18505         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
18506         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
18507         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
18508         (find_interesting_uses_address): Check addressability and alignment
18509         of the base expression only after substituting bases of IVs into it.
18510
18511 2008-02-14  Michael Matz  <matz@suse.de>
18512
18513         PR target/34930
18514         * function.c (instantiate_virtual_regs_in_insn): Reload address
18515         before falling back to reloading the whole operand.
18516
18517 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
18518
18519         * config/s390/s390.c (s390_mainpool_start): Emit the pool
18520         before the first section switch note.
18521
18522 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18523
18524         * doc/bugreport.texi: Update copyright years.
18525         * doc/c-tree.texi: Likewise.
18526         * doc/cfg.texi: Likewise.
18527         * doc/cpp.texi: Likewise.
18528         * doc/cppinternals.texi: Likewise.
18529         * doc/fragments.texi: Likewise.
18530         * doc/frontends.texi: Likewise.
18531         * doc/gcc.texi: Likewise.
18532         * doc/gty.texi: Likewise.
18533         * doc/hostconfig.texi: Likewise.
18534         * doc/implement-c.texi: Likewise.
18535         * doc/libgcc.texi: Likewise.
18536         * doc/loop.texi: Likewise.
18537         * doc/makefile.texi: Likewise.
18538         * doc/options.texi: Likewise.
18539         * doc/passes.texi: Likewise.
18540         * doc/rtl.texi: Likewise.
18541         * doc/sourcebuild.texi: Likewise.
18542         * doc/standards.texi: Likewise.
18543         * doc/tree-ssa.texi: Likewise.
18544         * doc/trouble.texi: Likewise.
18545
18546         * doc/extend.texi: Use @: or add comma where appropriate.
18547         * doc/invoke.texi: Likewise.
18548         * doc/tm.texi: Likewise.
18549
18550 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
18551
18552         PR target/34393
18553         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
18554         to a reg.
18555
18556 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
18557
18558         * doc/md.texi (clz, ctz): Add reference.
18559         * doc/rtl.texi (clz, ctz): Likewise.
18560
18561 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18562
18563         PR other/35148
18564         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
18565         srcdir.
18566
18567 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
18568
18569         * config/s390/s390.c (struct constant_pool): New field
18570         emit_pool_after added.
18571         (s390_mainpool_start): Set the emit_pool_after flag according
18572         to the section switch notes.
18573         (s390_mainpool_finish): Consider emit_pool_after when emitting
18574         the literal pool at the end of the function.
18575         (s390_chunkify_start): Force literal pool splits at section
18576         switch notes.
18577
18578 2008-02-13  Michael Matz  <matz@suse.de>
18579
18580         PR debug/35065
18581         * var-tracking.c (clobber_variable_part): Correctly traverse the
18582         list.
18583
18584 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18585
18586         PR 29673
18587         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
18588         Add -fdump-ipa-inline.
18589         * tree-dump.c (dump_files): Remove tree-inlined dump.
18590         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
18591
18592 2008-02-12  Richard Guenther  <rguenther@suse.de>
18593
18594         PR tree-optimization/35171
18595         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
18596         default defs.
18597
18598 2008-02-12  Richard Guenther  <rguenther@suse.de>
18599
18600         PR middle-end/35163
18601         * fold-const.c (fold_widened_comparison): Use get_unwidened in
18602         value-preserving mode.  Disallow final truncation.
18603
18604 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
18605
18606         PR middle-end/35136
18607         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
18608         code from here to...
18609         (force_gimple_operand): ...here.
18610
18611 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
18612
18613         PR c++/35144
18614         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
18615         non-compatible pointers.
18616         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
18617         different FIELD_DECLs, try harder by comparing field offsets, sizes
18618         and types.
18619
18620         PR inline-asm/35160
18621         * function.c (match_asm_constraints_1): Don't replace the same input
18622         multiple times.
18623
18624 2008-02-12  Anatoly Sokolov <aesok@post.ru>
18625
18626         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
18627         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
18628         (expand_epilogue): Restore RAMPZ register.
18629         * config/avr/avr.md (RAMPZ_ADDR): New constant.
18630
18631 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
18632
18633         * config/i386/cygwin.asm: (__alloca): Correct calling
18634         convention and alignment.
18635         (__chkstk): Force 8 byte stack alignment.
18636
18637 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
18638             Richard Guenther  <rguenther@suse.de>
18639
18640         PR tree-optimization/33992
18641         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
18642         the zero we compare against.
18643
18644 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
18645
18646         PR libfortran/35063
18647         * gthr-win32.h (__gthread_mutex_destroy_function): New function
18648         to CloseHandle after unlocking to prevent accumulation of handle
18649         count.
18650
18651 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18652
18653         PR middle_end/34150
18654         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
18655         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
18656         and update LABEL_NUSES during and after reload.
18657
18658 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
18659
18660         PR middle-end/34627
18661         * combine.c (simplify_if_then_else): Make sure the comparison is
18662         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
18663
18664 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
18665
18666         PR bootstrap/35051
18667         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
18668         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
18669         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
18670         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
18671         * tree.h (get_type_static_bounds): Likewise.
18672
18673 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18674
18675         * doc/invoke.texi (Option Summary, C++ Dialect Options)
18676         (Objective-C and Objective-C++ Dialect Options, Warning Options):
18677         Make -Wfoo language annotations match what the compiler outputs.
18678
18679 2008-02-08  Sa Liu  <saliu@de.ibm.com>
18680
18681         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
18682         intrinsics spu_convts, spu_convtu, spu_convtf.
18683
18684 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
18685
18686         * doc/extend.texi (Function Attributes) <noinline>: Mention
18687         asm ("") as method to keep calls.
18688
18689 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18690
18691         PR other/32754
18692         * doc/options.texi (Options): Replace references to opts.sh with
18693         optc-gen.awk.
18694         * opts-common.c: Likewise.
18695         * optc-gen.awk: Likewise.
18696
18697 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
18698
18699         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
18700
18701 2008-02-07  Richard Henderson  <rth@redhat.com>
18702
18703         PR rtl-opt/33410
18704         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
18705         EXPR_LIST for the REG_EQUAL instead of a comparison with a
18706         funny mode.
18707
18708 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
18709
18710         PR tree-optimization/35085
18711         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
18712         for operand entry oe2 in addition to operand entry oe3 in order to
18713         expose more opportunities for vectorizer sum reduction.
18714
18715 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18716
18717         PR other/35107
18718         * Makefile.in (LIBS): Remove $(GMPLIBS).
18719         (cc1-dummy, cc1): Add $(GMPLIBS).
18720
18721 2008-02-06  Jan Hubicka  <jh@suse.cz>
18722
18723         PR target/23322
18724         * i386.md (moddf_integer): Do not produce partial memory stalls for
18725         targets where it hurts.
18726
18727 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
18728
18729         PR target/35083
18730         * optabs.c (expand_float): Do not check for decimal modes when
18731         expanding unsigned integer through signed conversion.
18732
18733 2008-02-06  Nick Clifton  <nickc@redhat.com>
18734
18735         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
18736         inside the clobber with a match_operand and duplicated operand
18737         number in the constraint.
18738         (ineqbranchsi): Delete redundant comment.
18739
18740 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
18741
18742         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
18743         builtin_define ("__USE_INIT_FINI__").
18744         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
18745         -msx multilibs.
18746         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
18747
18748 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18749
18750         PR documentation/30330
18751         * doc/invoke.texi (C++ Dialect Options)
18752         (Objective-C and Objective-C++ Dialect Options, Warning Options):
18753         For each warning option -Wfoo that allows -Wno-foo, ensure both
18754         -Wfoo and -Wno-foo are listed in the option index.  Fix index
18755         entry of -Wswitch-default, index -Wnormalized= including the
18756         `=', and -Wlarger-than-@var{len} including @var{len}.
18757
18758 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
18759
18760         * config/i386/i386.md (floatunssisf2): Use
18761         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
18762         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
18763         Macroize expander using MODEF mode iterator.
18764
18765 2008-02-05  Diego Novillo  <dnovillo@google.com>
18766
18767         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
18768
18769         PR 33738
18770         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
18771
18772 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18773
18774         PR other/35070
18775         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
18776
18777 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
18778
18779         PR target/35084
18780         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
18781         to indicate if a message should be generated.
18782         (init_cumulative_args): Updated.
18783         (function_value_32): Likewise.
18784
18785 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
18786
18787         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
18788
18789 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
18790
18791         PR target/35083
18792         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
18793         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
18794
18795 2008-02-04  Diego Novillo  <dnovillo@google.com>
18796
18797         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
18798
18799         PR 33738
18800         * tree-vrp.c (vrp_evaluate_conditional): With
18801         -Wtype-limits, emit a warning when comparing against a
18802         constant outside the natural range of OP0's type.
18803
18804 2008-02-04  Richard Guenther  <rguenther@suse.de>
18805
18806         PR middle-end/33631
18807         * expr.c (count_type_elements): Give for unions instead of
18808         guessing.
18809
18810 2008-02-04  Richard Guenther  <rguenther@suse.de>
18811
18812         PR middle-end/35043
18813         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
18814         to TYPE_DOMAINs base type instead of using bitsizetype here.
18815
18816 2008-02-03  Jason Merrill  <jason@redhat.com>
18817
18818         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
18819
18820 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18821
18822         PR other/29972
18823         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
18824         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
18825         (RS/6000 and PowerPC Options): Fix typos and markup.
18826         * doc/passes.texi (Tree-SSA passes): Likewise.
18827
18828 2008-02-02  Michael Matz  <matz@suse.de>
18829
18830         PR target/35045
18831         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
18832         from record_last_reg_set_info.
18833         (record_last_reg_set_info): Take an RTX argument, iterate over all
18834         constituent hardregs.
18835         (record_last_set_info, record_opr_changes): Change calls to
18836         new signature or to record_last_reg_set_info_regno.
18837
18838 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
18839
18840         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
18841
18842 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
18843
18844         PR rtl-optimization/34773
18845         * reg-notes.def (EQUAL): Mention significance of combination of
18846         REG_EQUAL and REG_RETVAL.
18847         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
18848         insn that has a REG_RETVAL.
18849
18850 2008-02-01  Roger Sayle  <roger@eyesopen.com>
18851
18852         PR bootstrap/33781
18853         * configure.ac (--enable-fixed-point): Disable unless explicitly
18854         requested on IRIX.
18855         * configure: Regenerate.
18856
18857 2008-02-01  Richard Guenther  <rguenther@suse.de>
18858
18859         PR other/35042
18860         * invoke.texi (-finline-limit): Remove no longer true parts
18861         of the documentation.  Note that there is no default value.
18862
18863 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
18864             Mark Mitchell  <mark@codesourcery.com>
18865             Ben Elliston  <bje@au.ibm.com>
18866
18867         PR c/29326
18868         * doc/extend.texi (Other Builtins): Document.
18869
18870 2008-01-31  Tom Browder <tom.browder@gmail.com>
18871
18872         * doc/c-tree.texi (Types): Fix grammar.
18873         (Expression trees): Ditto.
18874         * doc/passes.texi (Tree-SSA passes): Ditto.
18875
18876         * doc/configterms.texi (Configure Terms): Fix typo.
18877         * doc/cpp.texi (Common Predefined Macros): Ditto.
18878         * doc/md.texi (Machine Constraints): Ditto.
18879
18880         * doc/makefile.texi (Makefile): Add comma.
18881
18882 2008-01-31  Tom Browder  <tom.browder@gmail.com>
18883             Gerald Pfeifer  <gerald@pfeifer.com>
18884
18885         * doc/sourcebuild.texi (Front End): Remove references to CVS
18886         and CVSROOT/modules.
18887         (Texinfo Manuals): Replace reference to CVS by one to SVN.
18888         (Back End): Remove reference to CVS.
18889
18890 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
18891
18892         PR target/34900
18893         * config/mips/mips.c (gen_load_const_gp): New function, taking a
18894         comment from...
18895         (mips16_gp_pseudo_reg): ...here.
18896         * config/mips/mips.md (load_const_gp): Replace with...
18897         (load_const_gp_<mode>): ...this :P-based insn.
18898
18899 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18900
18901         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
18902         options. Minor fixes.
18903         (-std): Move reference to standards closer to where language
18904         standards are first mentioned.
18905
18906 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
18907
18908         PR rtl-optimization/34995
18909         * reload.c (alternative_allows_const_pool_ref): Take an rtx
18910         parameter and return a bool.  If the rtx parameter is nonnull,
18911         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
18912         (find_reloads): Update call accordingly.  Pass the new operand
18913         if it needed no address reloads, otherwise pass null.
18914
18915 2008-01-30  Richard Henderson  <rth@redhat.com>
18916
18917         PR c/34993
18918         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
18919         for unbounded arrays.
18920
18921 2008-01-30  Silvius Rus  <rus@google.com>
18922
18923         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
18924
18925 2008-01-30  Jan Hubicka  <jh@suse.cz>
18926
18927         PR target/34982
18928         * i386.c (init_cumulative_args): Use real function declaration when
18929         calling locally.
18930
18931 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
18932
18933         PR rtl-optimization/34998
18934         * global.c (build_insn_chain): Treat non-subreg_lowpart
18935         SUBREGs of pseudos as clobbering all the words covered by the
18936         SUBREG, not just all the bytes.
18937         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
18938         original df_ref rather than an extract parameter.
18939         (global_conflicts): Update call accordingly.
18940
18941 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
18942
18943         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
18944         the overflow check to make it easier to read.
18945         (__fixtfdi): Change the type of the ll member in union
18946         long_double to UDItype_x.
18947
18948 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
18949
18950         PR middle-end/34969
18951         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
18952         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
18953         * tree-inline.c (fold_marked_statements): Call
18954         cgraph_update_edges_for_call_stmt if folding a call statement.
18955         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
18956         debug_generic_stmt calls, reset it back afterwards.
18957
18958         PR c/35017
18959         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
18960         static decls.
18961         * c-typeck.c (build_external_ref): Don't pedwarn about
18962         static vars in current function's scope.
18963
18964 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
18965
18966         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
18967
18968 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
18969
18970         PR c/35002
18971         * ipa-struct-reorg.c: Fix spelling.
18972         * params.def: Ditto.
18973
18974 2008-01-29  Richard Guenther  <rguenther@suse.de>
18975
18976         PR middle-end/35006
18977         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
18978         field.
18979         * tree-inline.c (remap_type): Increment remapping_type_depth
18980         around remapping types.
18981         (copy_body_r): Only add referenced variables if they are referenced
18982         from code, not types.
18983
18984 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
18985
18986         PR c++/34055
18987         PR c++/34103
18988         PR c++/34219
18989         PR c++/34606
18990         PR c++/34753
18991         PR c++/34754
18992         PR c++/34755
18993         PR c++/34919
18994         PR c++/34961
18995         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
18996         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
18997
18998 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
18999
19000         PR target/34412
19001         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
19002         pointer for tiny stack.
19003
19004 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19005
19006         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
19007
19008 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19009
19010         * config/vx-common.h: Fix typo in comment.
19011
19012 2008-01-28  Ian Lance Taylor  <iant@google.com>
19013
19014         PR c++/34862
19015         PR c++/33407
19016         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
19017         coalesce pointers if they have different DECL_NO_TBAA_P values.
19018         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
19019         between variables with different DECL_NO_TBAA_P values.
19020
19021 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
19022
19023         PR 31535
19024         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
19025         are not legitimate small data references on SPE targets.
19026
19027 2008-01-28  David Daney  <ddaney@avtrex.com>
19028
19029         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
19030
19031 2008-01-28  David Daney  <ddaney@avtrex.com>
19032
19033         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
19034
19035 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
19036
19037         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
19038         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
19039         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
19040         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
19041         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
19042         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
19043         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
19044         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
19045
19046 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19047
19048         * basic-block.h (condjump_equiv_p): Fix comment.
19049
19050 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19051
19052         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
19053         print_generic_stmt_indented): Fix comment.
19054
19055 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19056
19057         * configure.ac (__stack_chk_fail): Add detecion for availability
19058         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
19059         * configure: Regenerate.
19060
19061 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
19062
19063         PR middle-end/34688
19064         * final.c (output_addr_const): Handle TRUNCATE.
19065
19066 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
19067
19068         PR target/34711
19069         * tree-ssa-loop-ivopts.c (comp_cost): New type.
19070         (zero_cost, infinite_cost): New constants.
19071         (struct cost_pair): Change type of cost to comp_cost.
19072         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
19073         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
19074         New functions.
19075         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
19076         split_address_cost, ptr_difference_cost, difference_cost,
19077         get_computation_cost_at, get_computation_cost,
19078         determine_use_iv_cost_generic, determine_use_iv_cost_address,
19079         determine_use_iv_cost_condition, determine_use_iv_costs,
19080         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
19081         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
19082         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
19083         Change type of cost to comp_cost.
19084         (determine_iv_cost): Increase cost of non-original ivs, instead
19085         of decreasing the cost of original ones.
19086         (get_address_cost): Indicate the complexity of the addressing mode
19087         in comp_cost.
19088         (try_add_cand_for): Prefer using ivs not specific to some object.
19089         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
19090
19091 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
19092             Janis Johnson  <janis187@us.ibm.com>
19093
19094         PR target/34814
19095         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
19096         (TARGET_INSTANTIATE_DECLS): Likewise.
19097         * target.h (expand_to_rtl_hook): New target hook.
19098         (instantiate_decls): Likewise.
19099         * function.c (instantiate_decl): Make non-static.  Rename to...
19100         (instantiate_decl_rtl): ... this.
19101         (instantiate_expr): Use instantiate_decl_rtl.
19102         (instantiate_decls_1): Likewise.
19103         (instantiate_decls): Likewise.
19104         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
19105         * function.h (instantiate_decl_rtl): Add prototype.
19106         * cfgexpand.c (target.h): New include.
19107         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
19108         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
19109         (TARGET_INSTANTIATE_DECLS): Likewise.
19110         (TARGET_INITIALIZER): New target hooks added.
19111         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
19112         New prototype.
19113         * config/rs6000/rs6000.c (tree-flow.h): New include.
19114         (machine_function): Add sdmode_stack_slot field.
19115         (rs6000_alloc_sdmode_stack_slot): New function.
19116         (rs6000_instantiate_decls): Likewise.
19117         (rs6000_secondary_memory_needed_rtx): Likewise.
19118         (rs6000_check_sdmode): Likewise.
19119         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
19120         (TARGET_INSTANTIATE_DECLS): Likewise.
19121         (rs6000_hard_regno_mode_ok): Allow SDmode.
19122         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
19123         (rs6000_emit_move): Handle SDmode.
19124         (function_arg_advance): Likewise.
19125         (function_arg): Likewise.
19126         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
19127         SDmode var args for 32-bit compiles.
19128         (rs6000_secondary_reload_class): Handle SDmode.
19129         (rs6000_output_function_epilogue): Likewise.
19130         (rs6000_function_value): Simplify if statement.
19131         (rs6000_libcall_value): Likewise.
19132         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
19133         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
19134         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
19135         (movsd_hardfloat): New define_insn.
19136         (movsd_softfloat): Likewise.
19137         (movsd_store): Likewise.
19138         (movsd_load): Likewise.
19139         (extendsddd2): Likewise.
19140         (extendsdtd2): Likewise.
19141         (truncddsd2): Likewise.
19142         (movdd_hardfloat64): Fixup comment.
19143         (UNSPEC_MOVSD_LOAD): New constant.
19144         (UNSPEC_MOVSD_STORE): Likewise.
19145
19146 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
19147
19148         PR c++/34965
19149         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
19150         TRUTH_XOR_EXPR.
19151         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
19152         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
19153         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
19154         and TRUTH_XOR_EXPR.
19155
19156 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
19157
19158         PR target/34794
19159         * config.gcc: Separate AIX 5.3 from AIX 6.1.
19160         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
19161         __LONGDOUBLE128 too.
19162         * config/rs6000/aix61.h: New file.
19163
19164 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19165
19166         PR rtl-optimization/34959
19167         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
19168         popcount and parity rtxes the same mode as their operand.
19169         Truncate or extend the result to the return value's mode
19170         if necessary.
19171
19172 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19173
19174         PR target/34981
19175         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
19176         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
19177         to GOT_VERSION_REGNUM.
19178         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
19179         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
19180         * config/mips/mips.c (mips_emit_call_insn): New function.
19181         (mips_call_tls_get_addr): Call mips_expand_call directly.
19182         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
19183         emit_call_insn.
19184         (mips16_build_call_stub): Likewise.  Return the call insn or null.
19185         (mips_expand_call): Update the call to mips16_build_call_stub
19186         accordingly and a remove redundant condition.  Assert that MIPS16
19187         stubs do not use lazy binding.  Use mips_emit_call_insn and return
19188         the call insn.
19189         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
19190         TARGET_USE_GOT.
19191         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
19192         (mips_avoid_hazard): Remove hazard_set handling.
19193         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
19194         (UNSPEC_RESTORE_GP): ...this.
19195         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
19196         (FAKE_CALL_REGNO): Rename to...
19197         (GOT_VERSION_REGNUM): ...this.
19198         (type): Add "ghost" value.  Add an associated insn reservation.
19199         (hazard_set): Remove.
19200         (exception_receiver): Rename to...
19201         (restore_gp): ...this and update the unspec identifier accordingly.
19202         (exception_receiver, nonlocal_got_receiver): New expanders.
19203         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
19204         FAKE_CALL_REGNO.  Remove hazard_set attribute.
19205         (set_got_version, update_got_version): New patterns.
19206
19207 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
19208
19209         PR target/34970
19210         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
19211
19212 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
19213
19214         PR other/31955
19215         * doc/install.texi2html: Generate gcc-vers.texi.
19216
19217 2008-01-25  DJ Delorie  <dj@redhat.com>
19218
19219         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
19220
19221 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
19222
19223         * config/c4x: Remove directory.
19224         * config.gcc (crx-*, mt-*): Mark obsolete.
19225         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
19226         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
19227         sh-*-rtemscoff*): Remove cases.
19228         * defaults.h (C4X_FLOAT_FORMAT): Remove.
19229         * real.c (encode_c4x_single, decode_c4x_single,
19230         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
19231         c4x_extended_format): Remove.
19232         * real.h (c4x_single_format, c4x_extended_format): Remove.
19233         * doc/extend.texi (interrupt, naked): Remove mention of attributes
19234         on C4x.
19235         (Pragmas): Remove comment about c4x pragmas.
19236         * doc/install.texi (c4x): Remove target-specific instructions.
19237         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
19238         * doc/md.texi (Machine Constraints): Remove C4x documentation.
19239         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
19240         refer to C4x source files as examples.
19241         (C4X_FLOAT_FORMAT): Remove documentation.
19242
19243 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
19244
19245         * config/bfin/bfin.c (override_options): Reorder tests so that
19246         flag_pic gets enabled for -msep-data.
19247
19248 2008-01-25  Richard Guenther  <rguenther@suse.de>
19249
19250         PR middle-end/32244
19251         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
19252         to its bitfield precision if required.
19253
19254 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
19255
19256         PR middle-end/33880
19257         * tree-nested.c (walk_omp_for): New function.
19258         (convert_nonlocal_reference, convert_local_reference): Call
19259         walk_omp_for on OMP_FOR.
19260         (convert_call_expr): Call walk_body on OMP_FOR's
19261         OMP_FOR_PRE_INIT_BODY.
19262
19263 2008-01-25  Richard Guenther  <rguenther@suse.de>
19264
19265         PR tree-optimization/34966
19266         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
19267         default defs and PHI_NODEs we have to insert after the
19268         defining statement.
19269
19270 2008-01-24  Nick Clifton  <nickc@redhat.com>
19271
19272         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
19273         Provide a default definition.
19274         (LIBGCC2_UNITS_PER_WORD): Likewise.
19275
19276         * config/stormy16/stormy16.c: Include df.h for the prototype
19277         for df_regs_ever_live_p.
19278         (xstormy16_expand_builtin_va_start): Convert the stack offset
19279         into a component_ref and then use POINTER_PLUS_EXPR to add it
19280         to the incoming_virtual_args_rtx.
19281         (xstormy16_gimplify_va_arg_expr): Rename to
19282         xstormy16_gimplify_va_arg_expr.
19283         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
19284         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
19285         xstormy16_gimplify_va_arg_expr.
19286         Fix up some formatting issues.
19287
19288         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
19289         Move to predicates.md.
19290         (xs_hi_general_operand): Likewise.
19291         (xs_hi_nonmemory_operand): Likewise.
19292         * config/stormy16/predicates.md:
19293         (xstormy16_carry_plus_operand): New predicate.
19294         (xs_hi_general_operand): New predicate.
19295         (xs_hi_nonmemory_operand): New predicate.
19296         * config/stormy16/stormy16-protos.h:
19297         (xstormy16_carry_plus_operand): Delete prototype.
19298         (xs_hi_general_operand): Likewise.
19299         (xs_hi_nonmemory_operand): Likewise.
19300
19301         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
19302         modifiers as they are no longer needed and they can trigger
19303         reload spill failures.
19304
19305         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
19306         with a match_operand in order to help reload.
19307
19308         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
19309         constraint with 'e' for the 8th alternative as this version of
19310         the mov.w instruction only accepts the lower 8 registers.
19311
19312 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
19313
19314         PR target/34856
19315         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
19316         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
19317         vector elements.
19318
19319 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
19320
19321         PR middle-end/33333
19322         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
19323
19324 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
19325
19326         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
19327         New functions.
19328         (remove_structure): Update allocations list before removing structure.
19329
19330 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
19331
19332         * ipa-struct-reorg.c (is_safe_cond_expr,
19333         create_new_stmts_for_cond_expr): Use integer_zerop function,
19334         that recognize not only zero-pointer, but zero-integer too.
19335
19336 2008-01-25  Ben Elliston  <bje@au.ibm.com>
19337
19338         PR other/22232
19339         * fixproto: Escape "." in sed expression that strips leading "./".
19340
19341 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
19342
19343         PR driver/34904
19344         * gcc.c (SWITCH_OK): Removed.
19345         (SWITCH_LIVE): Changed to bit.
19346         (SWITCH_FALSE): Likewise.
19347         (SWITCH_IGNORE): Likewise.
19348         (switchstr): Change live_cond to unsigned int.
19349         (process_command): Replace SWITCH_OK with 0.
19350         (do_self_spec): Likewise.
19351         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
19352         (give_switch): Likewise.
19353         (used_arg): Likewise.
19354         (do_spec_1): Set the SWITCH_IGNORE bit.
19355         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
19356         bits.  Set the SWITCH_LIVE bit.
19357
19358 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
19359
19360         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
19361
19362 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
19363
19364         PR tree-optimization/34472
19365         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
19366         parameter to a "bool *" and set *DATA to false if there is
19367         an unsafe access.  Do not delete the structure here.
19368         (check_cond_exprs): Delete it here instead.
19369         (check_cond_exprs, exclude_cold_structs): Do not increase
19370         I when removing a structure.
19371
19372 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
19373
19374         PR target/34856
19375         * config/i386/i386.c (ix86_expand_vector_init): Consider only
19376         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
19377
19378 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
19379
19380         PR middle-end/34934
19381         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
19382         a fixed vector for stack.
19383
19384 2008-01-24  Ben Elliston  <bje@au.ibm.com>
19385
19386         PR c++/25701
19387         * doc/gcc.texi (Software development): Add a direntry for g++.
19388
19389 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
19390
19391         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
19392         stale and straggling -fforce-addr comments above.
19393
19394         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
19395         define.
19396         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
19397         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
19398
19399 2008-01-23  Michael Matz  <matz@suse.de>
19400
19401         PR debug/34895
19402         * dwarf2out.c (force_type_die): Use modified_type_die instead of
19403         gen_type_die.
19404
19405 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
19406
19407         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
19408         malloc result type.
19409
19410 2008-01-23 Anatoly Sokolov <aesok@post.ru>
19411
19412         * config/avr/avr.c (avr_current_arch): New variable.
19413         (avr_arch_types): Add 'avr31' and 'avr51' entries.
19414         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
19415         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
19416         (avr_override_options): Init 'avr_current_arch'.
19417         (base_arch_s): Move from here...
19418         * config/avr/avr.h (base_arch_s): ... here. Add new members
19419         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
19420         'mega' to 'have_jmp_call'.
19421         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
19422         "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
19423         macros.
19424         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
19425         architectures.
19426         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
19427         MULTILIB_MATCHES): Ditto.
19428
19429 2008-01-23  Richard Guenther  <rguenther@suse.de>
19430
19431         PR middle-end/31529
19432         * cgraphunit.c (cgraph_reset_node): Always mark the node
19433         not reachable if it is not queued already.
19434
19435 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
19436
19437         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
19438         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
19439         (cputype_selected): New static variable.
19440         (bfin_handle_option): Set it if -mcpu is used.
19441         (override_option): Select default set of workarounds if no cpu type
19442         selected on the command line.
19443         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
19444
19445         From  Michael Frysinger  <michael.frysinger@analog.com>
19446         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
19447         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
19448
19449         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
19450         for bf547, bf523, bf524, and bf526.
19451         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
19452         bf526.
19453         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
19454         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
19455         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
19456         __ADSPBF547__ and __ADSPBF54x__ for bf547.
19457         * doc/invoke.texi (Blackfin Options): Document that
19458         -mcpu now accept bf547, bf523, bf524, and bf526.
19459
19460 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
19461
19462         PR rtl-optimization/34628
19463         * combine.c (try_combine): Stop and undo after the first combination
19464         if an autoincrement side-effect on the first insn has effectively
19465         been lost.
19466
19467 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
19468
19469         PR target/34529
19470         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
19471         Offset addresses are not valid for Altivec or paired float modes.
19472
19473 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
19474
19475         PR c++/34607
19476         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
19477         if DECL_INITIAL (decl) is error_mark_node.
19478
19479         PR c++/34914
19480         * c-common.c (handle_vector_size_attribute): Only allow
19481         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
19482         the same way as pointer, array etc. types.
19483         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
19484
19485         PR c++/34917
19486         * tree.c (build_type_attribute_qual_variant): Call
19487         build_qualified_type if attributes are equal, but quals are not.
19488
19489 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19490
19491         PR 32102
19492         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
19493         * flags.h (warn_strict_aliasing): Remove.
19494         (warn_strict_overflow): Remove.
19495         * opts.c (warn_strict_aliasing): Remove.
19496         (warn_strict_overflow): Remove.
19497         * c-opts.c (c_common_handle_option): -Wall only sets
19498         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
19499         (c_common_post_options): Give default values to -Wstrict-aliasing
19500         and -Wstrict-overflow if they are uninitialized.
19501         * common.opt (Wstrict-aliasing): Specify Var and Init.
19502         (Wstrict-overflow): Likewise.
19503
19504 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
19505
19506         PR rtl-optimization/26854
19507         PR rtl-optimization/34400
19508         PR rtl-optimization/34884
19509         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
19510         DF_RD->gen.
19511         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
19512         (df_rd_bb_info.expanded_lr_out): Deleted
19513         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
19514         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
19515         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
19516         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
19517         Removed code to allocate, initialize or free expanded_lr_out.
19518         (df_rd_bb_local_compute_process_def): Restructured to make more
19519         understandable.
19520         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
19521         sets if the sets are being trimmed.
19522
19523 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
19524
19525         PR bootstrap/32287
19526         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
19527         (as_vers): Likewise.
19528         * configure: Regenerated.
19529
19530 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19531
19532         PR middle-end/33092
19533         * tree-pass.h (pass_build_alias): New pass.
19534         * tree-ssa-alias.c (gate_build_alias): New.
19535         (pass_build_alias): New.
19536         * passes.c (init_optimization_passes): Add pass_build_alias after
19537         pass_create_structure_vars.
19538
19539 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
19540
19541         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
19542         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
19543         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
19544         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
19545         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
19546         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
19547         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
19548         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
19549         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
19550         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
19551         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
19552         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
19553         * config/s390/s390.md (FP_ALL): New mode iterator.
19554         (_d): New mode attribute.
19555         ("*signbit<mode>2>"): Changed mode of first operand.
19556         ("isinf<mode>2"): Changed mode of first operand.
19557         ("*TDC_insn"): Adaptation for DFP modes.
19558
19559 2008-01-22  Ben Elliston  <bje@au.ibm.com>
19560
19561         * tree.c (check_qualified_type): Improve function description.
19562
19563 2008-01-21  Jason Merrill  <jason@redhat.com>
19564
19565         PR c++/34196
19566         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
19567         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
19568         if it is set.
19569
19570 2008-01-21  DJ Delorie  <dj@redhat.com>
19571
19572         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
19573         return zero.
19574
19575 2008-01-21  Richard Guenther  <rguenther@suse.de>
19576
19577         PR middle-end/34856
19578         * tree-cfg.c (verify_expr): Allow all invariant expressions
19579         instead of just constant class ones as reference argument.
19580         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
19581         like any other constant.
19582         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
19583
19584 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
19585
19586         * regmove.c (fixup_match_1): Update call crossed frequencies.
19587
19588 2008-01-21  Richard Guenther  <rguenther@suse.de>
19589
19590         PR c/34885
19591         * tree-inline.c (setup_one_parameter): Deal with mismatched
19592         types using a VIEW_CONVERT_EXPR.
19593
19594 2008-01-21  Alon Dayan  <alond@il.ibm.com>
19595             Olga Golovanevsky  <olga@il.ibm.com>
19596
19597         PR tree-optimization/34701
19598         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
19599         when the structure size is not a power of 2.
19600
19601 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
19602
19603         * doc/install.texi: Add doc for --enable-checking=df.
19604
19605 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
19606
19607         PR rtl-optimization/34808
19608         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
19609
19610 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
19611
19612         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
19613         input.
19614
19615 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
19616
19617         PR rtl-optimization/26854
19618         PR rtl-optimization/34400
19619         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
19620         DF_RD->gen.
19621         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
19622         (df_rd_bb_info.expanded_lr_out): New.
19623         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
19624         * loop_iv.c (iv_analysis_loop_init): Ditto.
19625         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
19626         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
19627         Added code to allocate, initialize or free expanded_lr_out.
19628         (df_rd_bb_local_compute_process_def): Restructured to make
19629         more understandable.
19630         (df_rd_confluence_n): Add code to do nothing with fake edges and
19631         code to no apply invalidate_by_call sets if the sets are being trimmed.
19632         (df_lr_local_finalize): Renamed to df_lr_finalize.
19633         (df_live_local_finalize): Renamed to df_live_finalize.
19634
19635 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
19636
19637         PR target/34831
19638         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
19639         deciding whether to use reciprocal instructions.
19640
19641 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
19642
19643         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
19644         dwarf2out_note_section_used if cold_text_section is NULL.
19645
19646 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
19647
19648         PR gcov-profile/34610
19649         * tree-cfg.c (make_edges): Mark both outgoing edges from
19650         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
19651         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
19652         from OMP_FOR and OMP_CONTINUE outgoing edges.
19653
19654         * tree-profile.c (tree_profiling): Return early if
19655         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
19656         at the end.
19657         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
19658         from cfun to child_cfun.
19659         * function.h (struct function): Add after_tree_profile bit.
19660
19661 2008-01-19 Anatoly Sokolov <aesok@post.ru>
19662
19663         * config/avr/avr.S (_exit): Disable interrupt.
19664
19665 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
19666             Steven Bosscher  <stevenb.gcc@gmail.com>
19667
19668         PR rtl-optimization/26854
19669         PR rtl-optimization/34400
19670         * df-problems.c (df_live_scratch): New scratch bitmap.
19671         (df_live_alloc): Allocate df_live_scratch when doing df_live.
19672         (df_live_reset): Clear the proper bitmaps.
19673         (df_live_bb_local_compute): Only process the artificial defs once
19674         since the order is not important.
19675         (df_live_init): Init the df_live sets only with the variables
19676         found live by df_lr.
19677         (df_live_transfer_function): Use the df_lr sets to prune the
19678         df_live sets as they are being computed.
19679         (df_live_free): Free df_live_scratch.
19680
19681 2008-01-18  Ian Lance Taylor  <iant@google.com>
19682
19683         * common.opt: Add fmerge-debug-strings.
19684         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
19685         flag_merge_debug_strings rather than flag_merge_constants.
19686         * doc/invoke.texi (Option Summary): Mention
19687         -fmerge-debug-strings.
19688         (Debugging Options): Document -fmerge-debug-strings.
19689
19690 2008-01-18  Ian Lance Taylor  <iant@google.com>
19691
19692         PR c++/33407
19693         * tree.h (DECL_IS_OPERATOR_NEW): Define.
19694         (struct tree_function_decl): Add new field operator_new_flag.
19695         * tree-inline.c (expand_call_inline): When inlining a call to
19696         operator new, force the return value to go into a variable, and
19697         set DECL_NO_TBAA_P on that variable.
19698         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
19699
19700 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
19701
19702         PR debug/34484
19703         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
19704         DWARF2_DEBUGGING_INFO.
19705         (dwarf2out_note_section_used): Ditto.  Add prototype.
19706         (have_multiple_function_sections, text_section_used,
19707         cold_text_section_used, *cold_text_sections): Move declarations
19708         before their uses.
19709
19710 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
19711
19712         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
19713         field and add signal_ra.
19714         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
19715         assignments to frame state pc.  Move end of stack check after
19716         MD_FALLBACK_FRAME_STATE_FOR.
19717         (uw_update_context_1): Use frame state signal_regs if set, instead
19718         of checking signal_frame flag.
19719         (uw_update_context): Use frame state signal_ra if set.
19720         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
19721         * config/xtensa/linux-unwind.h: New file.
19722
19723 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
19724
19725         * modulo-sched.c (get_sched_window): Fix comment typo.
19726
19727 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
19728
19729         PR tree-optimization/34648
19730         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
19731
19732 2008-01-17  Anatoly Sokolov <aesok@post.ru>
19733
19734         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
19735         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
19736
19737 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
19738
19739         PR rtl-optimization/34400
19740         * df-core.c (df_worklist_dataflow_overeager,
19741         df_worklist_dataflow_doublequeue): New functions.
19742         (df_worklist_dataflow): Two different worklist solvers.
19743         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
19744         New param.
19745
19746 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
19747
19748         PR testsuite/34821
19749         * doc/invoke.texi: Document the dependence on pthread for fopenmp
19750         and ftree-parallelize-loops.
19751
19752 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
19753
19754         PR rtl-optimization/34826
19755         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
19756
19757 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
19758
19759         * global.c (find_reg): Mark the eh regs as used if necessary.
19760         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
19761         * ra.h (struct allocno): no_eh_reg field added.  Changed
19762         no_stack_reg type to bitfield.
19763
19764 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
19765
19766         * tree.c (substitute_in_expr): Add missing 'break'.
19767
19768 2008-01-17  Richard Guenther  <rguenther@suse.de>
19769
19770         PR tree-optimization/34825
19771         * tree-ssa-math-opts.c (is_division_by): Do not recognize
19772         x / x as division to handle.
19773
19774 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19775
19776         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
19777         "-pthread" is specified.
19778         * pa-hpux11.h (LIB_SPEC): Likewise.
19779
19780 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
19781             Peter Bergner  <bergner@vnet.ibm.com>
19782
19783         PR rtl-optimization/33796
19784         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
19785
19786 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19787
19788         PR libgfortran/34699
19789         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
19790         static links.
19791         * pa-hpux10.h (LINK_SPEC): Likewise.
19792         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
19793
19794 2008-01-16  Richard Guenther  <rguenther@suse.de>
19795
19796         PR middle-end/32628
19797         * fold-const.c (fold_convert_const_int_from_int): Do not
19798         set overflow if that occured only because of a sign extension
19799         change when converting from/to a sizetype with the same
19800         precision and signedness.
19801
19802 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
19803
19804         PR debug/34249
19805         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
19806         location address to the correct place.  Update copyright year.
19807
19808 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
19809
19810         * lambda-code.c (lambda_transform_legal_p): Handle the case of
19811         no dependences in the dependence_relations vector.
19812
19813 2008-01-16  Jan Hubicka  <jh@suse.cz>
19814
19815         PR rtl-optimization/31396
19816         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
19817         * cfg.c (dump_reg_info): Print it.
19818         * regs.h (struct reg_info_t): add freq_calls_crossed.
19819         (REG_FREQ_CALLS_CROSSED): New macro.
19820         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
19821         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
19822         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
19823         regmove_optimize): Update call crossed frequencies.
19824         * local-alloc.c (struct qty): Add freq_calls_crossed.
19825         (alloc_qty): Copute freq_calls_crossed.
19826         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
19827         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
19828         * ra.h (struct allocno): Add freq_calls_crossed.
19829
19830 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
19831
19832         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
19833         libgomp when compiling with ftree-parallelize-loops.
19834         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
19835
19836 2008-01-16  Richard Guenther  <rguenther@suse.de>
19837
19838         PR tree-optimization/34769
19839         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
19840         * tree.c (int_cst_value): Instead make this function more
19841         permissive in what it accepts as valid input.  Document this
19842         function always sign-extends the value.
19843
19844 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
19845             Richard Guenther  <rguenther@suse.de>
19846
19847         PR c/34668
19848         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
19849         (gimple_fold_indirect_ref_rhs): ... this.
19850         (gimple_fold_indirect_ref): New function with foldings
19851         that preserve lvalueness.
19852         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
19853         * tree-flow.h (gimple_fold_indirect_ref): Declare.
19854         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
19855         to fold an INDIRECT_REF, fall back to the old use of
19856         fold_indirect_ref_1.
19857
19858 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
19859
19860         * tree-data-ref.c (subscript_dependence_tester_1): Call
19861         free_conflict_function.
19862         (compute_self_dependence): Same.
19863
19864 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
19865
19866         PR debug/34249
19867         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
19868         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
19869         function global.
19870         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
19871         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
19872         for DWARF2_UNWIND_INFO targets.
19873
19874 2008-01-16  Richard Guenther  <rguenther@suse.de>
19875
19876         PR c/34768
19877         * c-typeck.c (common_pointer_type): Do not merge inconsistent
19878         type qualifiers for function types.
19879
19880 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
19881
19882         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
19883         loop_iterator li from previous commit.
19884
19885 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
19886
19887         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
19888
19889 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
19890
19891         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
19892         (parallelize_loops): Don't parallelize irreducible components.
19893
19894 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19895
19896         PR c++/24924
19897         * c-opts (c_common_post_options): Do not enable CPP
19898         flag_pedantic_errors by default.
19899
19900 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
19901
19902         PR rtl-optimization/31944
19903         * cse.c (remove_pseudo_from_table): New function.
19904         (merge_equiv_classes): Use above function to remove pseudo-registers.
19905         (invalidate): Likewise.
19906
19907 2008-01-13  Richard Guenther  <rguenther@suse.de>
19908
19909         PR middle-end/34601
19910         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
19911         instead of TYPE_MODE to deal with calls from expand_one_error_var.
19912
19913 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
19914
19915         * gcse.c (cprop_jump): Call validate_unshare_change instead of
19916         validate_change to unshare the source of the PC set.
19917
19918 2008-01-12  Jan Hubicka  <jh@suse.cz>
19919
19920         PR middle-end/32135
19921         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
19922         references above array bounds.  This might trigger bounds checks for
19923         pointers to arrays.
19924
19925 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
19926
19927         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
19928         new_replaceable_dependencies.
19929
19930 2008-01-12  Doug Kwan  <dougkwan@google.com>
19931
19932         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
19933         instead of OPT_Wreturn_type in warning due to ignored return type
19934         qualifiers.
19935         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
19936         options included in -Wextra.
19937         * c.opt: New option -Wignored_qualifiers.
19938         * doc/invoke.texi (Warning Options, -Wextra): Add new option
19939         -Wignore_qualifiers.
19940         (-Wignored-qualifiers): Document.
19941         (-Wreturn-type): Remove description of functionality now handled
19942         by -Wignored-qualifiers.
19943
19944 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
19945
19946         PR ada/33788
19947         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
19948         NOP_EXPR if it is between integral types with the same precision.
19949
19950 2008-01-12  Jan Hubicka  <jh@suse.cz>
19951
19952         PR other/28023
19953         * invoke.texi (max-inline-recursive-depth): Fix default value.
19954
19955 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
19956
19957         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
19958         correct type.
19959
19960 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
19961
19962         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
19963
19964 2008-01-11  James E. Wilson  <wilson@specifix.com>
19965
19966         PR target/26015
19967         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
19968
19969 2008-01-11  Anatoly Sokolov <aesok@post.ru>
19970
19971         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
19972         save/restore frame pointer register and don't use 'call-prologues'
19973         optimization in function with "OS_task" attribute.
19974
19975 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
19976
19977         PR middle-end/31309
19978         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
19979         when copying to memory.
19980
19981 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
19982
19983         PR rtl-optimization/30905
19984         * cfgcleanup.c: Include dce.h
19985         (crossjumps_occured): New global variable.
19986         (try_crossjump_bb): Exit loop after finding a fallthru edge.
19987         If something changed, set crossjumps_occured to true.
19988         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
19989         Don't add/remove fake edges to exit here...
19990         (cleanup_cfg): ...but do it here, when crossjumping.
19991         Run a fast DCE when successful crossjumps occured in the latest
19992         iteration of try_optimize_cfg.
19993
19994 2008-01-11  Richard Guenther  <rguenther@suse.de>
19995
19996         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
19997         (struct vn_unary_op_s): Likewise.
19998         (vn_reference_insert): Free old reference on hash collision.
19999
20000 2008-01-10  Raksit Ashok  <raksit@google.com>
20001
20002         PR rtl-optimization/27971
20003         * combine.c (find_split_point): Split PLUS expressions which are
20004         inside a MEM rtx, and whose first operand is complex.
20005
20006 2008-01-10  DJ Delorie  <dj@redhat.com>
20007
20008         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
20009         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
20010         (m32c_hard_regno_ok): Call the underlying function.
20011
20012 2008-01-10  Richard Guenther  <rguenther@suse.de>
20013
20014         PR middle-end/34683
20015         * tree-cfg.c (tree_merge_blocks): Do not go through the
20016         full-blown folding and stmt updating path if we just deal
20017         with virtual operands.
20018         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
20019         test for abnormal SSA_NAMEs.
20020
20021 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
20022
20023         PR middle-end/34641
20024         * reload.c (push_reload): Add assertions.  All constants from
20025         reg_equiv_constant should have been used for replacing the respective
20026         pseudo earlier.
20027         (find_reloads_address): Invoke find_reloads_address_part for
20028         constant taken from the reg_equiv_constant array.
20029
20030 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
20031
20032         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
20033         field (valnum) the first in the struct.  Replace bools with
20034         unit bit fields.
20035
20036 2008-01-10  Richard Guenther  <rguenther@suse.de>
20037
20038         PR tree-optimization/34651
20039         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
20040         types and ordering for masking and converting.
20041
20042 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
20043
20044         PR tree-optimization/34017
20045         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
20046         also for PHI_NODE expressions.
20047
20048 2008-01-09  Jan Hubicka  <jh@suse.cz>
20049
20050         PR tree-optimization/34708
20051         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
20052         based on number of case labels.
20053         (init_inline_once): Remove switch_cost.
20054         * tree-inline.h (eni_weights_d): Remove switch_cost.
20055
20056 2008-01-09  Richard Guenther  <rguenther@suse.de>
20057         Andrew Pinski  <andrew_pinski@playstation.sony.com>
20058
20059         PR middle-end/30132
20060         * gimplify.c (gimplify_cond_expr): Do not create an addressable
20061         temporary if an rvalue is ok or an lvalue is not required.
20062
20063 2008-01-09  Richard Guenther  <rguenther@suse.de>
20064
20065         PR middle-end/34458
20066         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
20067         adjust return type.
20068
20069 2008-01-09  Richard Guenther  <rguenther@suse.de>
20070
20071         PR middle-end/34679
20072         * tree.c (host_integerp): Check for sizetype only if the
20073         type is an integer type.
20074
20075 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
20076
20077         PR debug/26364
20078         * opts.c (decode_options): Disable inlining of functions called
20079         once if not in unit-at-a-time mode.
20080
20081 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
20082
20083         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
20084
20085 2008-01-08  Richard Guenther  <rguenther@suse.de>
20086
20087         PR middle-end/31863
20088         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
20089         out early if the result will be unused.
20090
20091 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20092
20093         PR target/34709
20094         Revert:
20095
20096         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20097         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20098         for TARGET_RECIP.
20099
20100 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
20101
20102         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
20103         for vectorization tuned.
20104
20105 2008-01-08  Richard Guenther  <rguenther@suse.de>
20106
20107         PR tree-optimization/34683
20108         * tree-ssa-operands.c (operand_build_cmp): Export.
20109         * tree-ssa-operands.h (operand_build_cmp): Declare.
20110         * tree-vn.c (vuses_compare): Remove.
20111         (sort_vuses): Use operand_build_cmp.
20112         (sort_vuses_heap): Likewise.
20113         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
20114         to re-use old VEC if available.  Do not sort already sorted VUSEs.
20115         (vdefs_to_vec): Do not sort already sorted VDEFs.
20116
20117 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
20118
20119         PR middle-end/34694
20120         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
20121
20122 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20123
20124         PR target/34702
20125         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
20126         limitations of reciprocal sequences on x86 targets.
20127
20128 2008-01-08  Richard Guenther  <rguenther@suse.de>
20129
20130         PR tree-optimization/34683
20131         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
20132
20133 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
20134
20135         PR target/34622
20136         * config/darwin.c (darwin_mergeable_string_section): Don't use
20137         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
20138
20139 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
20140
20141         PR target/34682
20142         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
20143         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
20144         predicates of op0 and op1 to register_operand.
20145         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
20146         expander using X87MODEF mode iterator.  Change predicates of
20147         op0 and op1 to register_operand.
20148         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
20149         corresponding patterns and macroize using MODEF macro.  Change
20150         predicates of op0 and op1 to register_operand and remove
20151         "m" constraint. Disparage "r" alternative with "!".
20152         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
20153         macroize using X87MODEF macro.  Change predicates of op0 and op1
20154         to register_operand and remove "m" constraint.  Disparage "r"
20155         alternative with "!".
20156         (absneg splitter with memory operands): Remove.
20157         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
20158         patterns and macroize using X87MODEF mode iterator.
20159         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
20160         Change predicate of op1 to register_operand.
20161         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
20162         for memory operands.
20163
20164 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
20165
20166         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
20167
20168 2008-01-07  Richard Guenther  <rguenther@suse.de>
20169
20170         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
20171         fields.
20172
20173 2008-01-07  Richard Guenther  <rguenther@suse.de>
20174
20175         PR tree-optimization/34683
20176         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
20177         VOPs of the needed size to save memory.  Use VEC_quick_push
20178         to save compile-time.
20179         (vdefs_to_vec): Likewise.
20180
20181 2008-01-07  Sa Liu  <saliu@de.ibm.com>
20182
20183         * config/spu/spu.md (divdf3): Genetate inline code for double
20184         division.  The implementation doesn't handle INF or NAN, therefore it
20185         only applies when -ffinite-math-only is given.
20186
20187 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
20188
20189         PR libstdc++/34680
20190         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
20191         * doc/cpp.texi ([Common Predefined Macros]): Document.
20192
20193 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
20194
20195         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
20196         order to use commutative addition instead of subtraction.
20197
20198 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20199             Mircea Namolaru  <namolaru@il.ibm.com>
20200             Vladimir Yanovsky  <yanov@il.ibm.com>
20201             Revital Eres  <eres@il.ibm.com>
20202
20203         PR tree-optimization/34263
20204         * tree-outof-ssa.c (process_single_block_loop_latch,
20205         contains_tree_r): New functions.
20206         (analyze_edges_for_bb): Call process_single_block_loop_latch
20207         function to empty single-basic-block latch block if possible.
20208
20209 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20210
20211         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20212         for TARGET_RECIP.
20213         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
20214
20215 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
20216
20217         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
20218
20219 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
20220
20221         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
20222
20223 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
20224
20225         PR tree-optimization/34618
20226         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
20227         flag from T.
20228
20229 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20230
20231         PR target/34673
20232         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
20233         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
20234         Update copyright year.
20235
20236         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
20237         Update copyright year.
20238         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
20239         using NR fixup.
20240
20241 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
20242
20243         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
20244         edge does not point to current bb before changing need_assert.
20245
20246 2008-01-04  Richard Guenther  <rguenther@suse.de>
20247
20248         PR middle-end/34029
20249         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
20250         for verifying purposes if they are is_gimple_min_invariant.
20251
20252 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
20253
20254         PR tree-optimization/34448
20255         PR tree-optimization/34465
20256         * gimplify.c (gimplify_init_constructor): Add new parameter
20257         notify_temp_creation.  Use it.
20258         (gimplify_modify_expr_rhs): Take volatiles into account when
20259         optimizing constructors.
20260         Do not optimize constructors if gimplify_init_constructor will dump to
20261         memory.
20262         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
20263         * gcc.c-torture/compile/pr34448.c: New.
20264
20265 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
20266
20267         PR gcov-profile/34609
20268         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
20269         return_slot if result is TREE_ADDRESSABLE.
20270
20271 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
20272
20273         * config/mips/mips.md (sqrt_condition): Tweak comment.
20274         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
20275
20276 2008-01-03  Tom Tromey  <tromey@redhat.com>
20277
20278         PR c/34457
20279         * c-common.c (c_type_hash): Handle VLAs.
20280
20281 2008-01-03  Jan Hubicka  <jh@suse.cz>
20282
20283         PR tree-optimization/31081
20284         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
20285         0 when inlining and not inlining to first basic block.
20286         (remap_decl): When var is initialized to 0, don't set default_def.
20287         (expand_call_inline): Set entry_bb.
20288         * tree-inline.h (copy_body_data): Add entry_bb.
20289
20290 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
20291
20292         PR c++/34619
20293         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
20294         before returning.
20295
20296         PR tree-optimization/29484
20297         * tree-inline.c (inline_forbidden_p_2): New function.
20298         (inline_forbidden_p): Disallow inlining if some static var
20299         has an address of a local LABEL_DECL in its initializer.
20300         * doc/extend.texi (Labels as Values): Document &&foo behaviour
20301         vs. inlining.
20302
20303 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
20304
20305         PR tree-optimization/34635
20306         * tree-data-ref.c (add_other_self_distances): Make sure that the
20307         evolution step is constant.
20308
20309 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
20310
20311         PR middle-end/34608
20312         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
20313
20314 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
20315
20316         * tree-sra.c (scalarize_init): Insert the generate_element_init
20317         statements after the generate_element_zero statements.
20318
20319 2008-01-02  Richard Guenther  <rguenther@suse.de>
20320
20321         PR middle-end/34093
20322         PR middle-end/31976
20323         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
20324         for very large number of operands instead of ICEing.
20325
20326 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
20327
20328         PR target/34013
20329         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
20330         while stack probing.
20331
20332 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
20333
20334         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
20335         in C++0x mode.
20336
20337 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
20338
20339         PR libmudflap/26442
20340         * tree-mudflap.c (mx_register_decls): Guard warning by
20341         !DECL_ARTIFICIAL check.
20342
20343 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
20344
20345         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
20346         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
20347         sse5_perm<mode>): Fix constraints.