gcc/ChangeLog

   1 2009-08-25 Jan Hubicka  <jh@suse.cz>
   2
   3         * config/i386/bmmintrin.h: Replace by #error.
   4
   5         Revert:
   6         Michael Meissner  <michael.meissner@amd.com>
   7         Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
   8         Tony Linthicum  <tony.linthicum@amd.com>
   9
  10         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
  11         (TARGET_ROUND): New macro for the round/ptest instructions which
  12         are shared between SSE4.1 and SSE5.
  13         (OPTION_MASK_ISA_ROUND): Ditto.
  14         (OPTION_ISA_ROUND): Ditto.
  15         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
  16         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
  17
  18         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
  19         (-mfused-madd): New switch to give users control over whether the
  20         compiler optimizes to use the multiply/add SSE5 instructions.
  21
  22         * config/i386/i386.c (enum pta_flags): Add PTA_SSE5.
  23         (ix86_handle_option): Turn off 3dnow if -msse5.
  24         (override_options): Add SSE5 support.
  25         (print_operand): %Y prints comparison codes for SSE5 com/pcom
  26         instructions.
  27         (ix86_expand_sse_movcc): Add SSE5 support.
  28         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
  29         vector type to the next largest size.
  30         (ix86_expand_sse5_pack): New function to use pperm to pack a
  31         vector type to the next smallest size.
  32         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
  33         (IX86_BUILTIN_FMADDSD): Ditto.
  34         (IX86_BUILTIN_FMADDPS): Ditto.
  35         (IX86_BUILTIN_FMADDPD): Ditto.
  36         (IX86_BUILTIN_FMSUBSS): Ditto.
  37         (IX86_BUILTIN_FMSUBSD): Ditto.
  38         (IX86_BUILTIN_FMSUBPS): Ditto.
  39         (IX86_BUILTIN_FMSUBPD): Ditto.
  40         (IX86_BUILTIN_FNMADDSS): Ditto.
  41         (IX86_BUILTIN_FNMADDSD): Ditto.
  42         (IX86_BUILTIN_FNMADDPS): Ditto.
  43         (IX86_BUILTIN_FNMADDPD): Ditto.
  44         (IX86_BUILTIN_FNMSUBSS): Ditto.
  45         (IX86_BUILTIN_FNMSUBSD): Ditto.
  46         (IX86_BUILTIN_FNMSUBPS): Ditto.
  47         (IX86_BUILTIN_FNMSUBPD): Ditto.
  48         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
  49         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
  50         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
  51         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
  52         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
  53         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
  54         (IX86_BUILTIN_PPERM): Ditto.
  55         (IX86_BUILTIN_PERMPS): Ditto.
  56         (IX86_BUILTIN_PERMPD): Ditto.
  57         (IX86_BUILTIN_PMACSSWW): Ditto.
  58         (IX86_BUILTIN_PMACSWW): Ditto.
  59         (IX86_BUILTIN_PMACSSWD): Ditto.
  60         (IX86_BUILTIN_PMACSWD): Ditto.
  61         (IX86_BUILTIN_PMACSSDD): Ditto.
  62         (IX86_BUILTIN_PMACSDD): Ditto.
  63         (IX86_BUILTIN_PMACSSDQL): Ditto.
  64         (IX86_BUILTIN_PMACSSDQH): Ditto.
  65         (IX86_BUILTIN_PMACSDQL): Ditto.
  66         (IX86_BUILTIN_PMACSDQH): Ditto.
  67         (IX86_BUILTIN_PMADCSSWD): Ditto.
  68         (IX86_BUILTIN_PMADCSWD): Ditto.
  69         (IX86_BUILTIN_PHADDBW): Ditto.
  70         (IX86_BUILTIN_PHADDBD): Ditto.
  71         (IX86_BUILTIN_PHADDBQ): Ditto.
  72         (IX86_BUILTIN_PHADDWD): Ditto.
  73         (IX86_BUILTIN_PHADDWQ): Ditto.
  74         (IX86_BUILTIN_PHADDDQ): Ditto.
  75         (IX86_BUILTIN_PHADDUBW): Ditto.
  76         (IX86_BUILTIN_PHADDUBD): Ditto.
  77         (IX86_BUILTIN_PHADDUBQ): Ditto.
  78         (IX86_BUILTIN_PHADDUWD): Ditto.
  79         (IX86_BUILTIN_PHADDUWQ): Ditto.
  80         (IX86_BUILTIN_PHADDUDQ): Ditto.
  81         (IX86_BUILTIN_PHSUBBW): Ditto.
  82         (IX86_BUILTIN_PHSUBWD): Ditto.
  83         (IX86_BUILTIN_PHSUBDQ): Ditto.
  84         (IX86_BUILTIN_PROTB): Ditto.
  85         (IX86_BUILTIN_PROTW): Ditto.
  86         (IX86_BUILTIN_PROTD): Ditto.
  87         (IX86_BUILTIN_PROTQ): Ditto.
  88         (IX86_BUILTIN_PROTB_IMM): Ditto.
  89         (IX86_BUILTIN_PROTW_IMM): Ditto.
  90         (IX86_BUILTIN_PROTD_IMM): Ditto.
  91         (IX86_BUILTIN_PROTQ_IMM): Ditto.
  92         (IX86_BUILTIN_PSHLB): Ditto.
  93         (IX86_BUILTIN_PSHLW): Ditto.
  94         (IX86_BUILTIN_PSHLD): Ditto.
  95         (IX86_BUILTIN_PSHLQ): Ditto.
  96         (IX86_BUILTIN_PSHAB): Ditto.
  97         (IX86_BUILTIN_PSHAW): Ditto.
  98         (IX86_BUILTIN_PSHAD): Ditto.
  99         (IX86_BUILTIN_PSHAQ): Ditto.
 100         (IX86_BUILTIN_FRCZSS): Ditto.
 101         (IX86_BUILTIN_FRCZSD): Ditto.
 102         (IX86_BUILTIN_FRCZPS): Ditto.
 103         (IX86_BUILTIN_FRCZPD): Ditto.
 104         (IX86_BUILTIN_CVTPH2PS): Ditto.
 105         (IX86_BUILTIN_CVTPS2PH): Ditto.
 106         (IX86_BUILTIN_COMEQSS): Ditto.
 107         (IX86_BUILTIN_COMNESS): Ditto.
 108         (IX86_BUILTIN_COMLTSS): Ditto.
 109         (IX86_BUILTIN_COMLESS): Ditto.
 110         (IX86_BUILTIN_COMGTSS): Ditto.
 111         (IX86_BUILTIN_COMGESS): Ditto.
 112         (IX86_BUILTIN_COMUEQSS): Ditto.
 113         (IX86_BUILTIN_COMUNESS): Ditto.
 114         (IX86_BUILTIN_COMULTSS): Ditto.
 115         (IX86_BUILTIN_COMULESS): Ditto.
 116         (IX86_BUILTIN_COMUGTSS): Ditto.
 117         (IX86_BUILTIN_COMUGESS): Ditto.
 118         (IX86_BUILTIN_COMORDSS): Ditto.
 119         (IX86_BUILTIN_COMUNORDSS): Ditto.
 120         (IX86_BUILTIN_COMFALSESS): Ditto.
 121         (IX86_BUILTIN_COMTRUESS): Ditto.
 122         (IX86_BUILTIN_COMEQSD): Ditto.
 123         (IX86_BUILTIN_COMNESD): Ditto.
 124         (IX86_BUILTIN_COMLTSD): Ditto.
 125         (IX86_BUILTIN_COMLESD): Ditto.
 126         (IX86_BUILTIN_COMGTSD): Ditto.
 127         (IX86_BUILTIN_COMGESD): Ditto.
 128         (IX86_BUILTIN_COMUEQSD): Ditto.
 129         (IX86_BUILTIN_COMUNESD): Ditto.
 130         (IX86_BUILTIN_COMULTSD): Ditto.
 131         (IX86_BUILTIN_COMULESD): Ditto.
 132         (IX86_BUILTIN_COMUGTSD): Ditto.
 133         (IX86_BUILTIN_COMUGESD): Ditto.
 134         (IX86_BUILTIN_COMORDSD): Ditto.
 135         (IX86_BUILTIN_COMUNORDSD): Ditto.
 136         (IX86_BUILTIN_COMFALSESD): Ditto.
 137         (IX86_BUILTIN_COMTRUESD): Ditto.
 138         (IX86_BUILTIN_COMEQPS): Ditto.
 139         (IX86_BUILTIN_COMNEPS): Ditto.
 140         (IX86_BUILTIN_COMLTPS): Ditto.
 141         (IX86_BUILTIN_COMLEPS): Ditto.
 142         (IX86_BUILTIN_COMGTPS): Ditto.
 143         (IX86_BUILTIN_COMGEPS): Ditto.
 144         (IX86_BUILTIN_COMUEQPS): Ditto.
 145         (IX86_BUILTIN_COMUNEPS): Ditto.
 146         (IX86_BUILTIN_COMULTPS): Ditto.
 147         (IX86_BUILTIN_COMULEPS): Ditto.
 148         (IX86_BUILTIN_COMUGTPS): Ditto.
 149         (IX86_BUILTIN_COMUGEPS): Ditto.
 150         (IX86_BUILTIN_COMORDPS): Ditto.
 151         (IX86_BUILTIN_COMUNORDPS): Ditto.
 152         (IX86_BUILTIN_COMFALSEPS): Ditto.
 153         (IX86_BUILTIN_COMTRUEPS): Ditto.
 154         (IX86_BUILTIN_COMEQPD): Ditto.
 155         (IX86_BUILTIN_COMNEPD): Ditto.
 156         (IX86_BUILTIN_COMLTPD): Ditto.
 157         (IX86_BUILTIN_COMLEPD): Ditto.
 158         (IX86_BUILTIN_COMGTPD): Ditto.
 159         (IX86_BUILTIN_COMGEPD): Ditto.
 160         (IX86_BUILTIN_COMUEQPD): Ditto.
 161         (IX86_BUILTIN_COMUNEPD): Ditto.
 162         (IX86_BUILTIN_COMULTPD): Ditto.
 163         (IX86_BUILTIN_COMULEPD): Ditto.
 164         (IX86_BUILTIN_COMUGTPD): Ditto.
 165         (IX86_BUILTIN_COMUGEPD): Ditto.
 166         (IX86_BUILTIN_COMORDPD): Ditto.
 167         (IX86_BUILTIN_COMUNORDPD): Ditto.
 168         (IX86_BUILTIN_COMFALSEPD): Ditto.
 169         (IX86_BUILTIN_COMTRUEPD): Ditto.
 170         (IX86_BUILTIN_PCOMEQUB): Ditto.
 171         (IX86_BUILTIN_PCOMNEUB): Ditto.
 172         (IX86_BUILTIN_PCOMLTUB): Ditto.
 173         (IX86_BUILTIN_PCOMLEUB): Ditto.
 174         (IX86_BUILTIN_PCOMGTUB): Ditto.
 175         (IX86_BUILTIN_PCOMGEUB): Ditto.
 176         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
 177         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
 178         (IX86_BUILTIN_PCOMEQUW): Ditto.
 179         (IX86_BUILTIN_PCOMNEUW): Ditto.
 180         (IX86_BUILTIN_PCOMLTUW): Ditto.
 181         (IX86_BUILTIN_PCOMLEUW): Ditto.
 182         (IX86_BUILTIN_PCOMGTUW): Ditto.
 183         (IX86_BUILTIN_PCOMGEUW): Ditto.
 184         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
 185         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
 186         (IX86_BUILTIN_PCOMEQUD): Ditto.
 187         (IX86_BUILTIN_PCOMNEUD): Ditto.
 188         (IX86_BUILTIN_PCOMLTUD): Ditto.
 189         (IX86_BUILTIN_PCOMLEUD): Ditto.
 190         (IX86_BUILTIN_PCOMGTUD): Ditto.
 191         (IX86_BUILTIN_PCOMGEUD): Ditto.
 192         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
 193         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
 194         (IX86_BUILTIN_PCOMEQUQ): Ditto.
 195         (IX86_BUILTIN_PCOMNEUQ): Ditto.
 196         (IX86_BUILTIN_PCOMLTUQ): Ditto.
 197         (IX86_BUILTIN_PCOMLEUQ): Ditto.
 198         (IX86_BUILTIN_PCOMGTUQ): Ditto.
 199         (IX86_BUILTIN_PCOMGEUQ): Ditto.
 200         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
 201         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
 202         (IX86_BUILTIN_PCOMEQB): Ditto.
 203         (IX86_BUILTIN_PCOMNEB): Ditto.
 204         (IX86_BUILTIN_PCOMLTB): Ditto.
 205         (IX86_BUILTIN_PCOMLEB): Ditto.
 206         (IX86_BUILTIN_PCOMGTB): Ditto.
 207         (IX86_BUILTIN_PCOMGEB): Ditto.
 208         (IX86_BUILTIN_PCOMFALSEB): Ditto.
 209         (IX86_BUILTIN_PCOMTRUEB): Ditto.
 210         (IX86_BUILTIN_PCOMEQW): Ditto.
 211         (IX86_BUILTIN_PCOMNEW): Ditto.
 212         (IX86_BUILTIN_PCOMLTW): Ditto.
 213         (IX86_BUILTIN_PCOMLEW): Ditto.
 214         (IX86_BUILTIN_PCOMGTW): Ditto.
 215         (IX86_BUILTIN_PCOMGEW): Ditto.
 216         (IX86_BUILTIN_PCOMFALSEW): Ditto.
 217         (IX86_BUILTIN_PCOMTRUEW): Ditto.
 218         (IX86_BUILTIN_PCOMEQD): Ditto.
 219         (IX86_BUILTIN_PCOMNED): Ditto.
 220         (IX86_BUILTIN_PCOMLTD): Ditto.
 221         (IX86_BUILTIN_PCOMLED): Ditto.
 222         (IX86_BUILTIN_PCOMGTD): Ditto.
 223         (IX86_BUILTIN_PCOMGED): Ditto.
 224         (IX86_BUILTIN_PCOMFALSED): Ditto.
 225         (IX86_BUILTIN_PCOMTRUED): Ditto.
 226         (IX86_BUILTIN_PCOMEQQ): Ditto.
 227         (IX86_BUILTIN_PCOMNEQ): Ditto.
 228         (IX86_BUILTIN_PCOMLTQ): Ditto.
 229         (IX86_BUILTIN_PCOMLEQ): Ditto.
 230         (IX86_BUILTIN_PCOMGTQ): Ditto.
 231         (IX86_BUILTIN_PCOMGEQ): Ditto.
 232         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
 233         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
 234         (enum multi_arg_type): New enum for describing the various SSE5
 235         intrinsic argument types.
 236         (bdesc_multi_arg): New table for SSE5 intrinsics.
 237         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
 238         (ix86_expand_multi_arg_builtin): New function for creating SSE5
 239         intrinsics.
 240         (ix86_expand_builtin): Add SSE5 intrinsic support.
 241         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
 242         operand instructions.
 243         (ix86_expand_sse5_multiple_memory): New function to split the
 244         second memory reference from SSE5 instructions.
 245         (type_has_variadic_args_p): Delete in favor of stdarg_p.
 246         (ix86_return_pops_args): Use stdarg_p to determine if the function
 247         has variable arguments.
 248         (ix86_setup_incoming_varargs): Ditto.
 249         (x86_this_parameter): Ditto.
 250
 251         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
 252         declaration.
 253         (ix86_expand_sse5_pack): Ditto.
 254         (ix86_sse5_valid_op_p): Ditto.
 255         (ix86_expand_sse5_multiple_memory): Ditto.
 256
 257         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
 258         constant for SSE5 support.
 259         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
 260         (UNSPEC_SSE5_TRUEFALSE): Ditto.
 261         (UNSPEC_SSE5_PERMUTE): Ditto.
 262         (UNSPEC_SSE5_ASHIFT): Ditto.
 263         (UNSPEC_SSE5_LSHIFT): Ditto.
 264         (UNSPEC_FRCZ): Ditto.
 265         (UNSPEC_CVTPH2PS): Ditto.
 266         (UNSPEC_CVTPS2PH): Ditto.
 267         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
 268         (PCOM_TRUE): Ditto.
 269         (COM_FALSE_S): Ditto.
 270         (COM_FALSE_P): Ditto.
 271         (COM_TRUE_S): Ditto.
 272         (COM_TRUE_P): Ditto.
 273         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
 274         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
 275         types.
 276         (memory attribute): Ditto.
 277         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
 278         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
 279         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
 280         (floor<mode>2): Ditto.
 281         (ceil<mode>2): Ditto.
 282         (btrunc<mode>2): Ditto.
 283         (nearbyintdf2): Ditto.
 284         (nearbyintsf2): Ditto.
 285         (sse_setccsf): Disable if SSE5.
 286         (sse_setccdf): Ditto.
 287         (sse5_setcc<mode>): New support for SSE5 conditional move.
 288         (sse5_pcmov_<mode>): Ditto.
 289
 290         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
 291         (SSEMODEF4): Ditto.
 292         (SSEMODEF2P): Ditto.
 293         (ssemodesuffixf4): New mode attribute for SSE5.
 294         (ssemodesuffixf2s): Ditto.
 295         (ssemodesuffixf2c): Ditto.
 296         (sserotatemax): Ditto.
 297         (ssescalarmode): Ditto.
 298         (sse_maskcmpv4sf3): Disable if SSE5.
 299         (sse_maskcmpv2df3): Ditto.
 300         (sse_vmmaskcmpv4sf3): Ditto.
 301         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add
 302         instructions.
 303         (sse5_vmfmadd<mode>4): Ditto.
 304         (sse5_fmsub<mode>4): Ditto.
 305         (sse5_vmfmsub<mode>4): Ditto.
 306         (sse5_fnmadd<mode>4): Ditto.
 307         (sse5_vmfnmadd<mode>4): Ditto.
 308         (sse5_fnmsub<mode>4): Ditto.
 309         (sse5_vmfnmsub<mode>4): Ditto.
 310         (sse5i_fmadd<mode>4): Ditto.
 311         (sse5i_fmsub<mode>4): Ditto.
 312         (sse5i_fnmadd<mode>4): Ditto.
 313         (sse5i_fnmsub<mode>4): Ditto.
 314         (sse5i_vmfmadd<mode>4): Ditto.
 315         (sse5i_vmfmsub<mode>4): Ditto.
 316         (sse5i_vmfnmadd<mode>4): Ditto.
 317         (sse5i_vmfnmsub<mode>4): Ditto.
 318         (mulv16qi3): Add SSE5 support.
 319         (mulv4si3): Ditto.
 320         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
 321         (sse2_mulv4si3): Disable if SSE5.
 322         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
 323         (sse4_1_roundps): Ditto.
 324         (sse4_1_roundsd): Ditto.
 325         (sse4_1_roundss): Ditto.
 326         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
 327         be generated.
 328         (sse_maskcmpsf3): Ditto.
 329         (sse_vmmaskcmpv4sf3): Ditto.
 330         (sse2_maskcmpv2df3): Ditto.
 331         (sse2_maskcmpdf3): Ditto.
 332         (sse2_vmmaskcmpv2df3): Ditto.
 333         (sse2_eq<mode>3): Ditto.
 334         (sse2_gt<mode>3): Ditto.
 335         (sse5_pcmov_<mode>): Add SSE5 support.
 336         (vec_unpacku_hi_v16qi): Ditto.
 337         (vec_unpacks_hi_v16qi): Ditto.
 338         (vec_unpacku_lo_v16qi): Ditto.
 339         (vec_unpacks_lo_v16qi): Ditto.
 340         (vec_unpacku_hi_v8hi): Ditto.
 341         (vec_unpacks_hi_v8hi): Ditto.
 342         (vec_unpacku_lo_v8hi): Ditto.
 343         (vec_unpacks_lo_v8hi): Ditto.
 344         (vec_unpacku_hi_v4si): Ditto.
 345         (vec_unpacks_hi_v4si): Ditto.
 346         (vec_unpacku_lo_v4si): Ditto.
 347         (vec_unpacks_lo_v4si): Ditto.
 348         (sse5_pmacsww): New SSE5 intrinsic insn.
 349         (sse5_pmacssww): Ditto.
 350         (sse5_pmacsdd): Ditto.
 351         (sse5_pmacssdd): Ditto.
 352         (sse5_pmacssdql): Ditto.
 353         (sse5_pmacssdqh): Ditto.
 354         (sse5_pmacsdqh): Ditto.
 355         (sse5_pmacsswd): Ditto.
 356         (sse5_pmacswd): Ditto.
 357         (sse5_pmadcsswd): Ditto.
 358         (sse5_pmadcswd): Ditto.
 359         (sse5_pcmov_<move>): Conditional move support on SSE5.
 360         (sse5_phaddbw): New SSE5 intrinsic insn.
 361         (sse5_phaddbd): Ditto.
 362         (sse5_phaddbq): Ditto.
 363         (sse5_phaddwd): Ditto.
 364         (sse5_phaddwq): Ditto.
 365         (sse5_phadddq): Ditto.
 366         (sse5_phaddubw): Ditto.
 367         (sse5_phaddubd): Ditto.
 368         (sse5_phaddubq): Ditto.
 369         (sse5_phadduwd): Ditto.
 370         (sse5_phadduwq): Ditto.
 371         (sse5_phaddudq): Ditto.
 372         (sse5_phsubbw): Ditto.
 373         (sse5_phsubwd): Ditto.
 374         (sse5_phsubdq): Ditto.
 375         (sse5_pperm): Ditto.
 376         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
 377         (sse5_pperm_zero_v16qi_v8hi): Ditto.
 378         (sse5_pperm_sign_v8hi_v4si): Ditto.
 379         (sse5_pperm_zero_v8hi_v4si): Ditto.
 380         (sse5_pperm_sign_v4si_v2di): Ditto.
 381         (sse5_pperm_sign_v4si_v2di): Ditto.
 382         (sse5_pperm_pack_v2di_v4si): Ditto.
 383         (sse5_pperm_pack_v4si_v8hi): Ditto.
 384         (sse5_pperm_pack_v8hi_v16qi): Ditto.
 385         (sse5_perm<mode>): New SSE5 intrinsic insn.
 386         (rotl<mode>3): Ditto.
 387         (sse5_rotl<mode>3): Ditto.
 388         (sse5_ashl<mode>3): Ditto.
 389         (sse5_lshl<mode>3): Ditto.
 390         (sse5_frcz<mode>2): Ditto.
 391         (sse5s_frcz<mode>2): Ditto.
 392         (sse5_cvtph2ps): Ditto.
 393         (sse5_cvtps2ph): Ditto.
 394         (sse5_vmmaskcmp<mode>3): Ditto.
 395         (sse5_com_tf<mode>3): Ditto.
 396         (sse5_maskcmp<mode>3): Ditto.
 397         (sse5_maskcmp_uns<mode>3): Ditto.
 398         (sse5_maskcmp_uns2<mode>3): Ditto.
 399         (sse5_pcom_tf<mode>3): Ditto.
 400
 401         * config/i386/predicates.md (sse5_comparison_float_operator): New predicate to match the
 402         comparison operators supported by the SSE5 com instruction.
 403         (ix86_comparison_int_operator): New predicate to match just the
 404         signed int comparisons.
 405         (ix86_comparison_uns_operator): New predicate to match just the
 406         unsigned int comparisons.
 407
 408         * doc/invoke.texi (-msse5): Add documentation.
 409         (-mfused-madd): Ditto.
 410
 411         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
 412
 413         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
 414         mmintrin-common.h.
 415         (x86_64-*-*): Ditto.
 416
 417         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
 418
 419         * config/i386/bmmintrin.h: New file, provide common x86 compiler
 420         intrinisics for SSE5.
 421
 422         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
 423         mmintrin-common.h.
 424
 425         * config/i386/mmintrin-common.h: New file, to contain common
 426         instructions between SSE4.1 and SSE5.
 427
 428         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
 429         FOREACH_FUNCTION_ARGS to iterate over the argument list.
 430         (gen_regparm_prefix): Ditto.
 431
 432         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
 433         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
 434         prototype_p to determine if a function is prototyped.
 435
 436 2009-08-25 Ville Voutilainen <ville.voutilainen@gmail.com>
 437
 438         * c-common.c (c_common_reswords) add the alignof keyword,
 439         with same RID as __alignof and __alignof__
 440
 441 2009-08-25  Anatoly Sokolov  <aesok@post.ru>
 442
 443         * hooks.h (hook_bool_const_int_const_int_true): Declare.
 444         * hooks.c (hook_bool_const_int_const_int_true): New function.
 445         * target.h (struct gcc_target): Add can_eliminate field.
 446         * target-def.h (TARGET_CAN_ELIMINATE): Define.
 447         (TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE.
 448         * ira.c (setup_eliminable_regset): Use can_eliminate target hook.
 449         * reload1.c (update_eliminables, init_elim_table): (Ditto.).
 450         (elim_table): Revise comment.
 451         * system.h (CAN_ELIMINATE): Poison.
 452         * defaults.h (CAN_ELIMINATE): Remove.
 453         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
 454
 455         * config/alpha/vms.h (CAN_ELIMINATE): Remove macro.
 456         * config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]:
 457         Define macro.
 458         (alpha_vms_can_eliminate): Declare as static, change return type to
 459         bool.
 460         * config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove.
 461
 462         * config/arm/arm.h (CAN_ELIMINATE): Remove macro.
 463         * config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro.
 464         (arm_can_eliminate): New function.
 465
 466         * config/avr/avr.h (CAN_ELIMINATE): Remove macro.
 467         * config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro.
 468         (avr_can_eliminate): Declare as static.
 469         * config/avr/avr-protos.h (avr_can_eliminate): Remove.
 470
 471         * config/bfin/bfin.h (CAN_ELIMINATE): Remove macro.
 472         * config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro.
 473         (bfin_can_eliminate): New function.
 474
 475         * config/crx/crx.h (CAN_ELIMINATE): Remove macro.
 476         * config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro.
 477         (crx_can_eliminate): New function.
 478
 479         * config/fr30/fr30.h (CAN_ELIMINATE): Remove macro.
 480         * config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro.
 481         (fr30_can_eliminate): New function.
 482
 483         * config/frv/frv.h (CAN_ELIMINATE): Remove macro.
 484         * config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro.
 485         (frv_can_eliminate): New function.
 486
 487         * config/h8300/h8300.h (CAN_ELIMINATE): Remove macro.
 488         * config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro.
 489         (h8300_can_eliminate): New function.
 490
 491         * config/i386/i386.h (CAN_ELIMINATE): Remove macro.
 492         * config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro.
 493         (i386_can_eliminate): Declare as static, change return type to bool.
 494         * config/i386/i386-protos.h (i386_can_eliminate): Remove.
 495
 496         * config/ia64/ia64.h (CAN_ELIMINATE): Remove macro.
 497         * config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro.
 498         (ia64_can_eliminate): New function.
 499
 500         * config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro.
 501         * config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro.
 502         (iq2000_can_eliminate): New function.
 503
 504         * config/m32r/m32r.h (CAN_ELIMINATE): Remove macro.
 505         * config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro.
 506         (m32r_can_eliminate): New function.
 507
 508         * config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro.
 509         * config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro.
 510         (m68hc11_can_eliminate): New function.
 511
 512         * config/m68k/m68k.h (CAN_ELIMINATE): Remove macro.
 513         * config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro.
 514         (m68k_can_eliminate): New function.
 515
 516         * config/mep/mep.h (CAN_ELIMINATE): Remove macro.
 517         * config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro.
 518         (mep_can_eliminate): New function.
 519
 520         * config/mips/mips.h (CAN_ELIMINATE): Remove macro.
 521         * config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro.
 522         (mips_can_eliminate): New function.
 523
 524         * config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro.
 525         * config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro.
 526         (rs6000_can_eliminate): New function.
 527
 528         * config/s390/s390.h (CAN_ELIMINATE): Remove macro.
 529         * config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro.
 530         (s390_can_eliminate): Declare as static.
 531         * config/s390/s390-protos.h (sparc_can_eliminate): Remove.
 532
 533         * config/score/score.h (CAN_ELIMINATE): Remove macro.
 534         * config/score/score.c (TARGET_CAN_ELIMINATE): Define macro.
 535         (score_can_eliminate): New function.
 536
 537         * config/sparc/sparc.h (CAN_ELIMINATE): Remove macro.
 538         * config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro.
 539         (sparc_can_eliminate): Declare as static.
 540         * config/sparc/sparc-protos.h (sparc_can_eliminate): Remove.
 541
 542         * config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro.
 543         * config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro.
 544         (xstormy16_can_eliminate): New function.
 545
 546         * config/v850/v850.h (CAN_ELIMINATE): Remove macro.
 547         * config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro.
 548         (v850_can_eliminate): New function.
 549
 550 2009-08-25  Uros Bizjak  <ubizjak@gmail.com>
 551
 552         * config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove.
 553         (*cmpdf_internal): Enable for all ALPHA_FPTM levels.
 554         (*movdfcc_ext[1234]): Disable for IEEE mode.
 555
 556 2009-08-25  Eric Botcazou  <ebotcazou@adacore.com>
 557
 558         * gimplify.c (prepare_gimple_addressable): New static function.
 559         (gimplify_modify_expr_to_memcpy): Invoke it on the RHS before marking
 560         it addressable.
 561         (gimplify_addr_expr): Invoke it similarly on the operand instead of
 562         manually fiddling with it.
 563
 564 2009-08-25  Michael Matz  <matz@suse.de>
 565
 566         * expr.h (jumpifnot_1, jumpif_1, do_jump_1): Declare.
 567         * dojump.c (do_jump_by_parts_greater): Take two operands instead of
 568         full expression.
 569         (do_jump_by_parts_equality, do_compare_and_jump): Ditto.
 570         (jumpifnot_1, jumpif_1): New wrappers for do_jump_1.
 571         (do_jump): Split out code for simple binary comparisons into ...
 572         (do_jump_1): ... this, taking the individual operands and code.
 573         Change callers to helper function above accordingly.
 574         * expr.c (expand_expr_real_1): Use jumpifnot_1 for simple binary
 575         comparisons.
 576
 577 2009-08-25  Michael Matz  <matz@suse.de>
 578
 579         * expr.h (struct separate_ops, sepops): New type for passing
 580         around an exploded simple expression.
 581         * optabs.c (expand_widen_pattern_expr, expand_vec_shift_expr):
 582         Use this structure instead of expression tree.
 583         (get_vcond_icode, expand_vec_cond_expr_p): Don't take whole
 584         expression, only its type.
 585         (expand_vec_cond_expr): Take type and individual operands instead
 586         of full expression.
 587         * optabs.h (expand_widen_pattern_expr, expand_vec_cond_expr,
 588         expand_vec_shift_expr): Change prototype accordingly.
 589         * tree-vect-stmts.c (vectorizable_condition): Change call of
 590         expand_vec_cond_expr_p to pass only type.
 591         * expr.c (do_store_flags): Change prototype and implementation
 592         to take an exploded expression.
 593         (expand_expr_real_1): New local ops initialized with details
 594         of the full expression.  Use it instead of full
 595         expression in calls to do_store_flags, expand_vec_cond_expr,
 596         expand_widen_pattern_expr and expand_vec_shift_expr.
 597
 598 2009-08-25  Michael Matz  <matz@suse.de>
 599
 600         * expr.c (expand_expr_real_1): New local treeop0, treeop1,
 601         treeop2 initialized with first three operands of the full expression.
 602         Substitute all TREE_OPERAND (exp, [012]) calls with them.
 603
 604 2009-08-25  Kai Tietz  <kai.tietz@onevision.com>
 605
 606         * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present.
 607         (__gthread_objc_condition_allocate): Mark arguments as unused.
 608         (__gthread_objc_condition_deallocate): Likewise.
 609         (__gthread_objc_condition_wait): Likewise.
 610         (__gthread_objc_condition_broadcast): Likewise.
 611         (__gthread_objc_condition_signal): Likewise.
 612         (__gthread_objc_thread_detach): Cast via INT_PTR to pointer.
 613         (__gthread_objc_thread_id): Likewise.
 614
 615 2009-08-25  Janus Weil  <janus@gcc.gnu.org>
 616
 617         PR middle-end/41149
 618         * tree-pretty-print.c (print_call_name): Print the correct call name
 619         for procedure pointer components.
 620
 621 2009-08-24  Steve Ellcey  <sje@cup.hp.com>
 622
 623         * config/ia64/ia64.c (ia64_promote_function_mode): Call
 624         default_promote_function_mode when not VMS.
 625
 626 2009-08-24  Olivier Hainque  <hainque@adacore.com>
 627
 628         * convert.c (convert_to_integer): Don't assume an input pointer is
 629         POINTER_SIZE wide.  Fetch from the type instead.
 630
 631 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 632
 633         * configure.ac (AC_PREREQ): Bump to 2.64.
 634
 635 2009-08-24  Rafael Avila de Espindola  <espindola@google.com>
 636
 637         * gcc.c (standard_exec_prefix_1,standard_exec_prefix_2): Remove.
 638         (process_command): Don't search standard_exec_prefix_1 and
 639         standard_exec_prefix_2.
 640
 641 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 642
 643        * config/arm/arm.c (output_return_instruction): Handle for
 644        unified syntax.
 645
 646 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 647
 648        * config/arm/arm.c (arm_select_cc_mode): Handle subreg.
 649
 650 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 651
 652         * config/arm/vfp.md (*arm_movdi_vfp): Mark as predicable.
 653         (*arm_movdf_vfp): Likewise.
 654
 655 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 656
 657        * config/arm/neon.md (vashl<mode>3): Rename from ashl<mode>3.
 658        (vashr<mode>3): Rename from ashr<mode>3.
 659        (vlshr<mode>3): Rename from lshr<mode>3.
 660
 661 2009-08-24  Kai Tietz  <kai.tietz@onevision.com>
 662
 663         PR/40786
 664         * c-format.c (format_wanted_type):  Add new member scalar_identity_flag.
 665         (check_format_info_main): Use scalar_identify_flag.
 666         (check_format_types): Check for scalar size identity if
 667         scalar_identify_flag is set.
 668         (printf_length_specs): Extend by new field.
 669         (asm_fprintf_length_specs): Likewise.
 670         (gcc_diag_length_specs): Likewise.
 671         (scanf_length_specs): Likewise.
 672         (strfmon_length_specs): Likewise.
 673         (gcc_gfc_length_specs): Likewise.
 674         * config/i386/msformat-c.c (ms_printf_length_specs): Likewise.
 675         (ms_printf_flag_specs): Likewise.
 676         * c-format.h (format_length_info): Add new member scalar_identity_flag.
 677
 678 2009-08-23  Uros Bizjak  <ubizjak@gmail.com>
 679
 680         PR target/40718
 681         * config/i386/i386.c (*call_pop_1): Disable for sibling calls.
 682         (*call_value_pop_1): Ditto.
 683         (*sibcall_pop_1): New insn pattern.
 684         (*sibcall_value_pop_1): Ditto.
 685
 686 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
 687
 688         PR target/41081
 689         * config/rs6000/rs6000.md (rotlsi3_64, ashlsi3_64, lshrsi3_64,
 690         ashrsi3_64): New.
 691
 692 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
 693
 694         PR target/41081
 695         * fwprop.c (try_fwprop_subst): Allow multiple sets.
 696         (get_reg_use_in): New function.
 697         (forward_propagate_subreg): Propagate through subreg of zero_extend
 698         or sign_extend.
 699
 700 2009-08-22  Kaz Kojima  <kkojima@gcc.gnu.org>
 701
 702         * config/sh/t-sh (TARGET_LIBGCC2_CFLAGS): Define.
 703         * config/sh/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -mieee.
 704
 705 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 706
 707         * configure.ac: Remove --with-datarootdir, --with-docdir,
 708         --with-htmldir switches.  No need to call AC_SUBST for
 709         datarootdir, docdir, htmldir any more.
 710         * configure: Regenerate.
 711         * doc/install.texi (Configuration): Document --datarootdir,
 712         --docdir, --htmldir, --pdfdir; update documentation for
 713         --infodir, --mandir.
 714         (Prerequisites): Bump Autoconf version to 2.64, Automake to 1.11,
 715         M4 to 1.4.6.
 716
 717         * aclocal.m4: Regenerate.
 718         * config.in: Regenerate.
 719         * configure: Regenerate.
 720
 721 2009-08-21  Douglas B Rupp  <rupp@gnat.com>
 722             Olivier Hainque  <hainque@adacore.com>
 723
 724         * config/ia64/ia64.c: Include libfuncs.h.
 725         (TARGET_PROMOTE_FUNCITON_MODE): Define target macro.
 726         (ia64_expand_call): Use reg 25 on VMS.
 727         (ia64_initialize_trampoline): Fix for VMS ABI.
 728         (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS.
 729         (ia64_function_arg): Initialize reg 25 on VMS.
 730         Fix OpenVMS ABI issues for varargs.
 731         For OpenVMS, emit the Argument Information register set in the
 732         incoming/sibcall case as well.
 733         (ia64_arg_type): New function.
 734         (ia64_function_arg_advance): Keep track of cum->words.
 735         Fix OpenVMS ABI issues for varargs.
 736         (ia64_function_value): On VMS, promote mode of non-aggregate types.
 737         (ia64_override_options): Set flag_no_common on VMS.
 738         (ia64_init_builtins): Disable FWRITE builtin.
 739         (ia64_asm_output_external): Call DO_CRTL_NAMES.
 740         (ia64_vms_init_libfuncs): Add decc$ routines.
 741         (ia64_vms_valid_pointer_mode): New function.
 742         (ia64_struct_value_rtx): Allways NULL_RTX on VMS.
 743         (ia64_promote_function_mode): New function
 744         * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default.
 745         (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS.
 746         (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
 747         (INIT_CUMULATIVE_ARGS): Add atypes for VMS.
 748         (INIT_CUMULATIVE_INCOMING_ARGS): Likewise.
 749         (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit.
 750         Suppress trailing '#' if VALUE is numeric.
 751         * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to
 752         ia64_promote_function_mode.
 753         (TARGET_VALID_POINTER_MODE): Define.
 754
 755 2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
 756
 757         PR target/40671
 758         * config/rs6000/rs6000.c (rs6000_override_options): Use
 759         TARGET_64BIT instead of TARGET_POWERPC64 to set the size of pointers.
 760
 761         PR target/41145
 762         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
 763         reporting of vector + decimal/boolean/complex error.
 764
 765 2009-08-21  Jakub Jelinek  <jakub@redhat.com>
 766
 767         * config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
 768         __vector double TYPE_DECL.
 769
 770 2009-08-21  Richard Earnshaw  <rearnsha@arm.com>
 771
 772         * arm.h (MACHMODE): New define.  Include insn-modes.h if available.
 773         (CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode.
 774         * arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode
 775         to pointer to enum machine_mode.  Update all callers as needed.
 776
 777 2009-08-21 Uros Bizjak <ubizjak@gmail.com>
 778
 779         * config/alpha/alpha.md (exception_receiver): Emit alternative
 780         GP load sequence if flag_reorder_blocks_and_partition is set.
 781         (*exception_receiver_2): Also enable when
 782         flag_reorder_blocks_and_partition is set.
 783
 784 2009-08-20  Matt Rice  <ratmice@gmail.com>
 785             Diego Novillo  <dnovillo@google.com>
 786
 787         * Makefile.in (PLUGIN_HEADERS): Include incpath.h and
 788         tree-ssa-sccvn.h.
 789
 790 2009-08-20  Richard Guenther  <rguenther@suse.de>
 791
 792         * c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not define.
 793         * c-tree.h (c_dup_lang_specific_decl): Remove.
 794         (struct lang_decl, struct lang_type): Move definitions ...
 795         * c-lang.h: ... here.  New file.
 796         * c-decl.c: Include c-lang.h.
 797         (c_dup_lang_specific_decl): Remove.
 798         * c-typeck.c: Include c-lang.h.
 799         * Makefile.in (c-decl.o): Add c-lang.h dependency.
 800         (c-typeck.o): Likewise.
 801         * c-config-lang.in (gtfiles): Add c-lang.h.
 802         * gengtype.c (get_output_file_with_visibility): Handle c-lang.h
 803         like c-tree.h.
 804
 805 2009-08-20  Uros Bizjak  <ubizjak@gmail.com>
 806
 807         * config/alpha/alpha.c (alpha_end_function): Do not clear
 808         crtl->emit structure and free insn locators if cfun->is_thunk is true,
 809         this is now handled in generic code.
 810
 811 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
 812
 813         * config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
 814         (s390_z10_fix_long_loop_prediction): New function.
 815         (s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
 816         (s390_reorg): Walk over the INSNs and invoke
 817         s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.
 818
 819 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
 820
 821         * config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit",
 822         "*brx_64bit", "*brx_31bit"): New patterns.
 823         * config/s390/s390.c ('E'): New output modifier.
 824
 825 2009-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 826             Richard Earnshaw  <richard.earnshaw@arm.com>
 827
 828         * config/arm/arm.c (arm_emit_movpair): Handle CONST_INT.
 829         * config/arm/arm.md (*arm_movtas_ze): New pattern for movt.
 830
 831 2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 832
 833         * pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
 834         patterns.
 835         * pa.c (emit_move_sequence): Check if address of operand1 is valid
 836         for mode mode of operand0 when doing secondary reload for SAR.
 837
 838 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
 839
 840         PR middle-end/41123
 841         * expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
 842         of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.
 843
 844 2009-08-19  Jason Merrill  <jason@redhat.com>
 845
 846         * doc/invoke.texi (C++ Dialect Options): Note change of minimum
 847         supported template depth in C++0x.
 848
 849 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
 850
 851         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
 852         free_after_compilation.
 853         * config/score/score7.c (score7_output_mi_thunk): Likewise.
 854         * config/score/score3.c (score3_output_mi_thunk): Likewise.
 855         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 856         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 857         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 858         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
 859         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 860
 861 2009-08-19  Ian Lance Taylor  <iant@google.com>
 862
 863         * doc/md.texi (Insn Canonicalizations): Correct canonicalization
 864         of (plus (mult (neg B) C) A).
 865
 866 2009-08-18  Michael Matz  <matz@suse.de>
 867
 868         * omp-low.c (optimize_omp_library_calls): Use types_compatible_p
 869         instead of comparing TYPE_MAIN_VARIANT for equality.
 870         * tree-vect-patterns.c (vect_recog_dot_prod_pattern,
 871         vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
 872         * tree-vect-loop.c (vect_is_simple_reduction): Ditto.
 873         * gimplify.c (goa_lhs_expr_p): Ditto and use
 874         STRIP_USELESS_TYPE_CONVERSION.
 875
 876 2009-08-18  Michael Matz  <matz@suse.de>
 877
 878         * tree-ssa-structalias.c (create_variable_info_for): Also mark
 879         first field in a struct.
 880         (intra_create_variable_infos): Don't deal with flag_argument_noalias.
 881
 882 2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
 883
 884         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
 885         locators before emit_insn is called.  Remove assert that
 886         cfun->is_thunk.
 887         (alpha_end_function): Clear crtl->emit structure and free insn
 888         locators if cfun->is_thunk is true.
 889
 890 2009-08-18  Jason Merrill  <jason@redhat.com>
 891
 892         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
 893         type if available.
 894         * configure.ac: Test for it.
 895         * configure, config.in: Regenerate.
 896         * doc/install.texi: Document --enable-gnu-unique-object.
 897
 898 2009-08-18  Richard Guenther  <rguenther@suse.de>
 899
 900         PR middle-end/41094
 901         * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
 902         pow(x,y*z) only if x is nonnegative.
 903
 904 2009-08-18  Jakub Jelinek  <jakub@redhat.com>
 905
 906         * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
 907         on jumps.
 908
 909         PR target/40971
 910         * config/rs6000/rs6000.c (rs6000_legitimize_address): For
 911         [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.
 912
 913 2009-08-17  DJ Delorie  <dj@redhat.com>
 914
 915         * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
 916         * config/m32c/prologue.md (epilogue_freit): New.
 917         (fset_b): New.
 918         * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
 919         (bank_switch_p): Likewise.
 920         (fast_interrupt_p): Likewise.
 921         (interrupt_p): Likewise.
 922         (m32c_conditional_register_usage): Round memregs size up.
 923         (need_to_save): We only need to save $a0 when we use ENTER.
 924         (interrupt_p): Check for fast_interrupt too.
 925         (bank_switch_p): New.
 926         (fast_interrupt_p): New.
 927         (m32c_attribute_table): Add bank_switch and fast_interrupt.
 928         (m32c_emit_prolog): Support bank switching and fast interrupts.
 929         * doc/extend.texi (Function Attributes): Add bank_switch and
 930         fast_interrupt.
 931
 932 2009-08-17  Douglas B Rupp  <rupp@gnat.com>
 933
 934         * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
 935         * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.
 936
 937 2009-08-16  Douglas B Rupp  <rupp@gnat.com>
 938
 939         * doc/invoke.texi (Target options): Add new option list for IA-64/VMS.
 940         (menu): Add IA-64/VMS Options.
 941         (IA-64/VMS Options): Likewise.
 942
 943 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
 944
 945         PR target/38599
 946         * config/mips/mips.md (*lwxs): Use :P for pointer values.
 947
 948 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
 949
 950         * config/mips/mips-protos.h (mips_push_asm_switch): New function.
 951         (mips_pop_asm_switch): Likewise.
 952         * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
 953         with...
 954         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
 955         (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
 956         (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
 957         (mips_print_operand_punctuation): Use them.  Check mips_noreorder
 958         instead of set_noreorder.
 959         (mips_output_function_prologue): Use the new functions.
 960         (mips_output_function_epilogue): Likewise.
 961         (mips_need_noat_wrapper_p): New function, split out from...
 962         (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
 963         Use mips_push_asm_switch and mips_pop_asm_switch.
 964         * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
 965         and mips_pop_asm_switch.
 966         (ASM_OUTPUT_REG_POP): Likewise.
 967         (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
 968         Use mips_pop_asm_switch.
 969         (mips_asm_switch): New structure.
 970         (set_noreorder, set_nomacro): Replace with...
 971         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
 972         * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
 973         instead of set_nomacro.
 974         (fix_truncsfsi2_macro): Likewise.
 975         (cprestore): Likewise.
 976         (hazard): Use mips_noreorder instead of set_noreorder.
 977         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
 978
 979 2009-08-16  Uros Bizjak  <ubizjak@gmail.com>
 980
 981         * config/alpha/alpha.c (alpha_and_function): Handle NULL_RTX returned
 982         from prev_active_insn.
 983
 984 2009-08-16  Anatoly Sokolov  <aesok@post.ru>
 985
 986         * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
 987         * config/avr/avr.c (avr_override_options): Initialize
 988         avr_current_arch variable.
 989         (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
 990         __AVR_HAVE_16BIT_SP__ according to the device type.
 991         (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
 992         TARGET_TINY_STACK.
 993         (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
 994         Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.
 995
 996 2009-08-16  Dodji Seketeli  <dodji@redhat.com>
 997
 998         PR debug/37801
 999         * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
1000         generating inlined subroutine die only. We shouldn't be
1001         called for anything else.
1002         (gen_block_die): Don't generate inline subroutine debug info for
1003         abstract blocks.
1004
1005 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1006
1007         * graphite-poly.c (print_pbb): Print PBB index.
1008
1009 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1010
1011         PR middle-end/40981
1012         * graphite-interchange.c (ppl_max_for_le): Moved...
1013         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1014         * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
1015         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1016         * graphite-ppl.h (ppl_max_for_le): Declared.
1017
1018 2009-08-14  Olatunji Ruwase <tjruwase@google.com>
1019
1020         * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
1021         supported on all platforms.
1022         * target.h (struct gcc_target): Remove handle_pragma_redefine_extname.
1023         * c-cppbuiltin.c: Remove use of targetm.handle_pragma_redefine_extname.
1024         * c-pragma.c: Likewise.
1025         * target-def.h (TARGET_INITIALIZER): Remove
1026         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
1027         * config/sol2.h: Remove use of TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
1028
1029 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
1030
1031         * config/ia64/fde-vms.c: New file.
1032         * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
1033         * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
1034         (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
1035         (uw_frame_state_for): Only register a personality routine if it is
1036         known to be compatible with our expectations.
1037         (_Unwind_FindEnclosingFunction, uw_frame_state_for):
1038         Declare unw_table_entry stack variable and
1039         mod all calls to _Unwind_FindTableEntry to add arg.
1040         * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
1041         (_Unwind_FindTableEntry): Add arg to prototype.
1042
1043 2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>
1044
1045         * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
1046         field 'signal_pfs_loc'.
1047         (uw_frame_state_for): Remove duplicate code dealing with leaf
1048         procedures without unwind info.
1049         If in the frame after unwinding through a signal handler, restore
1050         the AR.PFS register instead of the CFM if AR.PFS has not been saved.
1051         * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
1052         'pfs_loc' to the AR.PFS location in the signal context; instead
1053         set 'signal_pfs_loc'.
1054         Manually generate the unwind info for the AR.PFS register.
1055         (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
1056         ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
1057         (ia64_handle_unwabi): Test 'fs->unwabi' against them.
1058         Do not set 'pfs_loc' to the AR.PFS location in the signal context;
1059         instead set 'signal_pfs_loc'.
1060         Remove code preventing the AR.PFS register from being restored
1061         from the signal context.
1062
1063 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
1064             Tristan Gingold  <gingold@adacore.com>
1065
1066         * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
1067         * config/ia64/t-vms: New file.
1068         * config/ia64/vms64.h: New file.
1069         * config/ia64/vms.h: New file.
1070         * config/ia64/vms-crtinit.asm: New file.
1071         * config/ia64/vms_symvec_libgcc_s.opt: New file.
1072         * config/ia64/vms-unwind.h: New file.
1073
1074 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
1075
1076         * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
1077         TFmode compares.
1078
1079 2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1080
1081         PR middle-end/30789
1082         * builtins.c (do_mpc_arg2): Make extern, define for any MPC version.
1083         Move declaration...
1084         * real.h (do_mpc_arg2): ... here.
1085         * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
1086         and RDIV_EXPR.
1087
1088 2009-08-14  Rafael Avila de Espindola  <espindola@google.com>
1089
1090         * final.c (add_debug_prefix_map): Don't use GC memory for
1091         old_prefix and new_prefix.
1092
1093 2009-08-14  Richard Guenther  <rguenther@suse.de>
1094
1095         * ipa-prop.c (compute_complex_pass_through): If we cannot
1096         compute a non-varying offset for IPA_JF_ANCESTOR punt.
1097
1098 2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1099
1100         * c-lex.c (c_lex_with_flags): Increase size of local variable
1101         to avoid memory clobber.
1102
1103 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
1104
1105         PR target/40934
1106         * config/i386/i386.c (ix86_fp_comparison_strategy):
1107         Only enable/disable sahf at function granularity.
1108
1109 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
1110
1111         PR rtl-optimization/41064
1112         * reload1.c (reload_as_needed): Don't call extract_insn
1113         for known invalid replacements after calling
1114         validate_replace_rtx_group and verify_changes.
1115
1116 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
1117
1118         PR target/41019
1119         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
1120         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
1121         ix86_expand_fp_vcond.
1122         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
1123         Assert that operation is supported by ix86_expand_int_vcond.
1124         (vcondu<SSEMODE124C8:mode>): Ditto.
1125
1126 2009-08-13  DJ Delorie  <dj@redhat.com>
1127
1128         * config/i386/djgpp-stdint.h: New.
1129         * config.gcc (djgpp): Use it.
1130
1131 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
1132
1133         * config/sh/sh.c (sh_override_options): When flag_exceptions or
1134         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
1135
1136 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
1137
1138         * tree-ssa-loop-prefetch.c
1139         (prune_ref_by_group_reuse): Enhance probabilistic analysis
1140         for long-stride pruning.
1141         (compute_miss_rate): New function to compute the probability
1142         that two memory references access different cache lines.
1143
1144 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
1145
1146         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
1147
1148 2009-08-13  Richard Guenther  <rguenther@suse.de>
1149
1150         PR middle-end/41047
1151         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
1152         use the constant pointer type.
1153         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
1154         of CV qualifiers on the target pointer type.
1155         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
1156         conversion check before restrict check.
1157
1158 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1159
1160         PR target/41029
1161         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
1162
1163 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1164
1165         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
1166
1167 2009-08-12  Richard Guenther  <rguenther@suse.de>
1168
1169         PR tree-optimization/41011
1170         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
1171         and reference constructing.
1172
1173 2009-08-12  Xinliang David Li  <davidxl@google.com>
1174
1175         PR tree-optimization/41012
1176         * tree-flow.h : New external interface.
1177         * gimple-low.c (check_call_arg): Change to public function.
1178         Remove argument mismatch check in lowering.
1179         * tree-inline.h (tree_can_inline_p): Interface change.
1180         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
1181         into this function.
1182         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
1183         Call change to tree_can_inline_p function.
1184         (cgraph_decide_inlining_incrementally): Ditto.
1185
1186 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
1187
1188         PR tree-optimization/41031
1189         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
1190         on the partition variable rather than promote_mode on the source
1191         type.  Assert that the partition variable's type has the same
1192         mode as the source value's.
1193
1194 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
1195
1196         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
1197         for for_return == 2.
1198         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
1199         comments.
1200         * calls.c (expand_call): Fix typo.
1201         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
1202         and PARM_DECL.
1203         * stmt.c (expand_value_return): Use promote_function_mode to copy out
1204         of pseudo.
1205         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
1206         * config/cris/cris.c (cris_promote_function_mode): Likewise.
1207         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
1208         * config/pa/pa.c (pa_promote_function_mode): Likewise.
1209
1210 2009-08-12  Andrew Haley  <aph@redhat.com>
1211
1212         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
1213
1214 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1215
1216         PR bootstrap/40103
1217         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
1218
1219 2009-08-12  Richard Guenther  <rguenther@suse.de>
1220
1221         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
1222         * gimplify.c (gimplify_modify_expr): Do not use
1223         lang_hooks.types_compatible_p.
1224         * tree-ssa.c (useless_type_conversion_p): For aggregates
1225         just return false if the canonical types differ.
1226
1227 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1228
1229         PR middle-end/40980
1230         * sese.c (convert_for_phi_arg): New.
1231         (add_guard_exit_phis): Use convert_for_phi_arg.
1232
1233 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1234
1235         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1236         unknown subscript upper bounds.
1237
1238 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1239             Pranav Garg  <pranav.garg2107@gmail.com>
1240
1241         * graphite-interchange.c (gather_access_strides): Removed.
1242         (ppl_max_for_le): New.
1243         (build_linearized_memory_access): New.
1244         (memory_stride_in_loop): New.
1245         (pbb_interchange_profitable_p): Reimplemented.
1246         * graphite-ppl.h (ppl_new_id_map): New.
1247         (ppl_interchange): New.
1248
1249 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1250
1251         * graphite-interchange.c (compute_subscript): Removed.
1252         (compute_array_size_cstr): Removed.
1253         (compute_array_size_poly): Removed.
1254         (compute_array_size): Removed.
1255         (gather_access_strides_poly): Removed.
1256         (gather_access_strides): Empty.
1257
1258 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1259
1260         * graphite-dependences.c (dependence_polyhedron_1): Replace
1261         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1262         (graphite_legal_transform_dr): Same.
1263         (graphite_carried_dependence_level_k): Same.
1264         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1265         Initialize PDR_NB_SUBSCRIPTS.
1266         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1267         PDR_NB_SUBSCRIPTS.
1268         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1269         (PDR_NB_SUBSCRIPTS): New.
1270         (pdr_nb_subscripts): Removed.
1271         (pdr_dim): Simplified.
1272         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1273         with PDR_NB_SUBSCRIPTS.
1274
1275 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1276
1277         * graphite-interchange.c (compute_array_size): Remove use of
1278         PDR_DATA_CONTAINER.
1279         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1280         Do not initialize PDR_DATA_CONTAINER.
1281         (print_pdr): Do not print PDR_DATA_CONTAINER.
1282         * graphite-poly.h (struct poly_dr): Remove data_container field.
1283         (PDR_DATA_CONTAINER): Removed.
1284         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1285         PDR_DATA_CONTAINER.
1286         (build_poly_dr): Same.
1287
1288 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1289             Sebastian Pop  <sebastian.pop@amd.com>
1290
1291         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1292         copy of the dependence polyhedron.  Free the temporary objects.
1293         (graphite_carried_dependence_level_k): Free unused objects before
1294         returning.
1295
1296         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1297         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1298         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1299         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1300         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1301
1302 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1303
1304         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1305         Early return without analyzing the data dependences if no
1306         transform has been done.  Call restore_scattering if the transform
1307         is not legal.
1308         (graphite-interchange.c): Same.
1309         * graphite-poly.c (print_scattering_function): Test for
1310         PBB_TRANSFORMED.
1311         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1312         (apply_poly_transforms): Do not gcc_assert that
1313         the transform is legal.
1314         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
1315         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1316         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1317         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1318         * graphite-poly.h (struct poly_scattering): New.
1319         (struct poly_bb): Add original, transformed, and saved fields.
1320         Remove transformed_scattering, original_scattering,
1321         nb_local_variables and nb_scattering_transform fields.
1322         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1323         (poly_scattering_new): New.
1324         (poly_scattering_free): New.
1325         (poly_scattering_copy): New.
1326         (store_scattering_pbb): New.
1327         (store_scattering): New.
1328         (restore_scattering_pbb): New.
1329         (restore_scattering): New.
1330         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1331         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1332
1333 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1334
1335         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1336         (print_scop): Same.
1337
1338 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1339
1340         * Makefile.in (graphite.o): Depends on PREDICT_H.
1341         * graphite.c: Include predict.h.
1342         (graphite_finalize): Call tree_estimate_probability.
1343         * predict.c (predict_loops): Do not call scev_initialize and
1344         scev_finalize.
1345         (tree_estimate_probability_bb): New.
1346         (tree_estimate_probability): Do not initialize loops: move that
1347         code to the driver.  Call tree_estimate_probability_bb.
1348         (tree_estimate_probability_driver): New.
1349         (pass_profile): Use tree_estimate_probability_driver.
1350         * predict.h (tree_estimate_probability): Declared.
1351
1352 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1355         * graphite-dependences.c (graphite_legal_transform): Add time to
1356         TV_GRAPHITE_DATA_DEPS.
1357         (dependency_between_pbbs_p): Same.
1358         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1359
1360 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
1361
1362         PR rtl-optimization/41033
1363         * alias.c (nonoverlapping_component_refs_p): Punt when strict
1364         aliasing is disabled.
1365
1366 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
1367
1368         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
1369         si_mask_operand, and_load_operand, low_bitmask_operand,
1370         and_reg_operand, and_operand): New predicates.
1371         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
1372         * config/mips/mips.c (and_operands_ok): New function.
1373         * config/mips/mips-protos.h (and_operands_ok): Declare it.
1374         * config/mips/mips.md (move_type): Add ext_ins and logical.
1375         (type): Handle them.
1376         (and<mode>3): Use and_reg_operand as the second operand's predicate.
1377         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
1378         shift_shift.  Remove commutative constraint modifier.
1379         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
1380         shift_shift.
1381         (*clear_upper32_dext): Remove define_insn_and_split.
1382         (*clear_upper32): Turn this define_insn_and_split ...
1383         (splitter for ANDing register with 0xffff_ffff): .. into this.
1384
1385 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
1386
1387         * combine.c (try_widen_shift_mode): Factor out code to check if an
1388         integer constant is a low-order bitmask from here ...
1389         * rtlanal.c (low_bitmask_len): ... to here.
1390         * rtl.h (low_bitmask_len): Declare.
1391
1392 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
1393
1394         PR target/8603
1395         * config/alpha/alpha.md (addsi3): Remove expander.
1396         (addsi3): Rename from *addsi3_internal insn pattern.
1397         (subsi3): Remove expander.
1398         (subsi3): Rename from *subsi3_internal insn pattern.
1399
1400 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
1401
1402         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
1403         FWRITE_UNLOCKED.
1404
1405 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
1406             Eric Botcazou  <botcazou@adacore.com>
1407             Douglas B Rupp  <rupp@gnat.com>
1408
1409         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
1410         that records that fit in 64 bits are returned by immediate value,
1411         as required by OpenVMS Calling Standard.
1412         (function_value): Adjust for above modification.
1413         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
1414         virtual_incoming_args_rtx as base object, not next_arg.
1415         * config/alpha/vms.h: (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
1416
1417 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1418
1419         * reload.c (find_reloads_subreg_address): Check the original
1420         req_equiv_mem address to detect the case where an address is
1421         not valid in the outer mode.
1422
1423 2009-08-11  Richard Guenther  <rguenther@suse.de>
1424
1425         PR bootstrap/40788
1426         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
1427
1428 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
1429
1430         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
1431         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
1432
1433 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
1434             Douglas B Rupp  <rupp@gnat.com>
1435
1436         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
1437         PT_STACK when frame_pointer_needed on OpenVMS.
1438         (alpha_pv_save_size, alpha_using_fp): Remove.
1439         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
1440         with proper processing for PT_NULL.
1441         (alpha_vms_initial_elimination_offset): New function. Support for
1442         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
1443         (alpha_sa_size): Force procedure type to PT_STACK when
1444         frame_pointer_needed on OpenVMS.
1445         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
1446         (alpha_using_fp): Likewise.
1447         (alpha_vms_can_eliminate): Add prototype.
1448         (alpha_vms_initial_elimination_offset): Likewise.
1449         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
1450         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
1451
1452 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
1453             Douglas B Rupp  <rupp@gnat.com>
1454
1455         * config/alpha/alpha.c (common_object_handler): New function.
1456         (vms_attribute_table): Declare a single attribute "common_object".
1457         (vms_output_aligned_decl_common): New global function.
1458         (SECTION_VMS_OVERLAY): Delete.
1459         (SECTION_VMS_GLOBAL): Likewise.
1460         (SECTION_VMS_INITIALIZE): Likewise.
1461         (vms_asm_named_section): Remove support for above flags.
1462         (vms_section_type_flags): Delete.
1463         (TARGET_SECTION_TYPE_FLAGS): Likewise.
1464         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
1465         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
1466         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
1467
1468 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
1469
1470         PR target/41015
1471         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
1472         (sub_ddmmss): Likewise.
1473
1474 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
1475
1476         PR bootstrap/41018
1477         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
1478         year.
1479
1480 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1481
1482         PR target/37053
1483         * reload1.c (reload_as_needed): Use cancel_changes to completely
1484         undo a failed replacement attempt.
1485
1486 2009-08-10  Richard Guenther  <rguenther@suse.de>
1487
1488         PR middle-end/41006
1489         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
1490         (useless_type_conversion_p): ... here.  Require pointer targets
1491         to be compatible.
1492
1493 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
1494
1495         PR c++/40866
1496         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
1497         loose the original type of the statement list.
1498
1499 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
1500
1501         * config/alpha/alpha.c: Include libfuncs.h
1502         (avms_asm_output_extern): New function.
1503         (alpha_init_libfuncs): Init some decc libfuncs.
1504         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
1505         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
1506         (DO_CRTL_NAMES): Define.
1507         (LIB_SPEC): Remove.
1508         * config/alpha/vms64.h: (POINTERS_EXTEND_UNSIGNED): Remove undef.
1509         (LONG_TYPE_SIZE): Define.
1510         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
1511         (SUBTARGET_SWITCHES): Define malloc64 switch.
1512         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
1513         (MASK_RETURN_ADDR): Define.
1514         doc/invoke.texi (mmalloc64): Document switch.
1515
1516 2009-08-09  Olivier Hainque  <hainque@adacore.com>
1517             Douglas B Rupp  <rupp@gnat.com>
1518
1519         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
1520         uses_condition_handler.
1521         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
1522         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
1523         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
1524         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
1525         (code_for_builtin): New insn codes for the new alpha_builtins.
1526         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
1527         (alpha_sa_size): Account for uses_condition_handler.
1528         (alpha_expand_prologue): Likewise.
1529         (alpha_start_function): Likewise.
1530         (alpha_expand_epilogue): Likewise.
1531         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
1532         establish/revert expanders.
1533         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
1534         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
1535         New expander, resorting to the alpha.c associated function.
1536         (builtin_revert_vms_condition_handler): Likewise.
1537         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
1538         __gcc_shell_handler, the static VMS condition handler used as
1539         an indirection wrapper to the current dynamically established
1540         handler.
1541         * config/alpha/vms-unwind.h: Complete rewrite.
1542         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
1543         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
1544
1545 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
1546             Douglas B Rupp  <rupp@gnat.com>
1547
1548         * config/alpha/alpha.c (alpha_links): Add 'target' field.
1549         (alpha_need_linkage): Handle aliases.  Return function symbol.
1550         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
1551         Use ultimate alias target for the linkage name.
1552         * config/alpha/alpha.md (movmemdi): Use the symbol returned
1553         by alpha_need_linkage for the function symbol.
1554         (setmemdi): Likewise.
1555
1556 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
1557
1558         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
1559         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
1560         (ASM_WEAKEN_LABEL): Define.
1561         (CRT_CALL_STATIC_FUNCTION): Define.
1562         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
1563         (ENDFILE_SPEC): Define.
1564         (INIT_SECTION_ASM_OP): Define.
1565         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
1566         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
1567         crtend.o crtendS.o.
1568         (MULTILIB_OSDIRNAMES): Define.
1569         (shlib_version): Define.
1570         (SHLIB_EXT): Define.
1571         (SHLIB_OBJS): Define.
1572         (SHLIB_NAME): Define.
1573         (SHLIB_MULTILIB): Define.
1574         (SHLIB_INSTALL): Define.
1575         (SHLIB_SYMVEC): Define.
1576         (SHLIB_SYMVECX2): Define.
1577         (SHLIB_LINK): Define.
1578
1579 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
1580
1581         * config/alpha/alpha.c (alpha_initialize_trampoline):
1582         Initialize VMS trampoline IAW ABI for bounded procedure calls.
1583         (alpha_start_function): Emit transfer address on nested functions
1584         for VMS trampoline call.
1585         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
1586         since no longer used.
1587         * config/alpha/vms-tramp.asm: Remove.
1588         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
1589         since now only data initialized at runtime.
1590
1591 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
1592
1593         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
1594         (LINK_GCC_C_SEQUENCE_SPEC): Define.
1595         (MD_EXEC_PREFIX): Remove, no longer used.
1596         (MD_STARTFILE_PREFIX): Likewise.
1597         (INCLUDE_DEFAULTS): Likewise.
1598         * config/alpha/t-vms:
1599         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
1600
1601 2009-08-09  Richard Guenther  <rguenther@suse.de>
1602
1603         PR tree-optimization/41016
1604         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
1605         (operand_precision): Remove.
1606         (integral_operand_p): Likewise.
1607         (recognize_single_bit_test): Adjust.
1608
1609 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
1610
1611         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
1612         operation overflows.  Likewise non-cast unary arithmetic.
1613         If one arm of a conditional expression is always taken,
1614         inhibit evaluation warnings for the other arm.  Likewise inhibit
1615         evaluation warnings for the second && or || operand if the first
1616         operand is enough to determine the result.
1617         * c-typeck.c (build_conditional_expr): Apply the same inhibition
1618         rules here.
1619         (build_binary_op): Prevent duplicate evaluation warnings.
1620
1621 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
1622
1623         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
1624         and destination have different modes, Use promote_mode to
1625         determine the signedness of the conversion.  Assert that the
1626         promoted source mode matches the destination mode.  Don't pass
1627         the destination and destination mode to expand_expr if the source
1628         mode is different.  Simplify conversion logic.
1629
1630 2009-08-09  Ira Rosen  <irar@il.ibm.com>
1631
1632         PR tree-optimization/41008
1633         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
1634         from condition only in case it's a comparison. Adjust checks.
1635
1636 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1637
1638         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
1639         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
1640         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
1641         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
1642         (dump_cand): Handle them.
1643         (struct iv_cand): New members COST_STEP and AINC_USE.
1644         (stmt_after_increment): Likewise.
1645         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
1646         callers changed.  Use gimple_uid comparison instead of scanning.
1647         (add_candidate_1): When looking for identical candidates, take
1648         AINC_USE into account.  Set it for new candidates.
1649         (force_expr_to_var_cost): Cast target_spill_cost to int.
1650         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
1651         All callers changed.  Check for availability of autoinc addressing
1652         modes, both in general for a given mode, and in the specific use case.
1653         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
1654         changed.
1655         (get_computation_cost): Likewise.
1656         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
1657         add_autoinc_candidates): New static functions.
1658         (add_candidate): Call add_autoinc_candidates for candidates based on
1659         a USE_ADDRESS use.
1660         (find_iv_candidates): Call set_autoinc_for_original_candidates.
1661         (determine_use_iv_cost_address): If we have an autoinc candidate at
1662         the matching use, verify autoinc is possible and subtract the cost
1663         of the candidate's step from the cost.
1664         (determine_iv_cost): Record the cost of the increment in the COST_STEP
1665         member of the candidate.
1666         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
1667         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
1668
1669 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
1670
1671         * config.build (ia64-hp-*vms*): New target.
1672         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
1673         with ia64-hp-*vms*.
1674         * config.gcc (ia64-hp-*vms*): New target.
1675         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
1676         with ia64-hp-*vms*.
1677         * config.host (ia64-hp-*vms*): New target.
1678         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
1679         with ia64-hp-*vms*.
1680
1681 2009-08-08  Richard Guenther  <rguenther@suse.de>
1682
1683         PR tree-optimization/40991
1684         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
1685
1686 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
1687
1688         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
1689         mode check.  Do truncations in an integer mode.
1690         (force_to_mode): Handle subregs for all mode types.  Only do
1691         arithmetic simplifications on integer modes.
1692
1693 2009-08-07  Richard Guenther  <rguenther@suse.de>
1694
1695         PR tree-optimization/40999
1696         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
1697         (maybe_fold_reference): Lookup constant initializers.
1698         (fold_gimple_assign): Likewise.
1699
1700 2009-08-07  Richard Guenther  <rguenther@suse.de>
1701
1702         * tree-ssa.c (useless_type_conversion_p_1): Only for types
1703         that require structural equality defer to the langhook.
1704
1705 2009-08-07  Martin Jambor  <mjambor@suse.cz>
1706
1707         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
1708         comments.
1709         (struct ipa_pass_through_data): New type.
1710         (struct ipa_ancestor_jf_data): New type.
1711         (union jump_func_value): Removed field formal_id, added fields
1712         pass_through and ancestor.
1713         (struct ipa_param_call_note): Changed type of formal_id to int from
1714         unsigned.
1715         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
1716         operations jump functions and ancestor jump functions.
1717         (compute_complex_pass_through): New function.
1718         (compute_scalar_jump_functions): Call compute_complex_pass_through,
1719         reflect changes in the jump function strucutre.
1720         (update_jump_functions_after_inlining): Ignore complex pass-through
1721         and ancestor jump functions.
1722         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
1723         polynomial pass-through with operation jump functions.
1724
1725 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
1726
1727         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
1728         fde->dw_fde_begin as begin label instead of hot/cold label.
1729         Use LLSDAC label instead of LLSDA for second section lsda.
1730         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
1731         label instead of LLSDA if it is true.
1732         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
1733         callers.
1734         * except.c (add_call_site, dw2_size_of_call_site_table): Add
1735         SECTION argument.  Use it as index into crtl->eh.call_site_record
1736         array.
1737         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
1738         use it to determine how to print table entries instead of using
1739         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
1740         label instead of normal begin label as base.
1741         (sjlj_assign_call_site_values): Adjust add_call_site caller.
1742         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
1743         ensure no EH range spans between sections and that landing pads
1744         are always in the corresponding section.
1745         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
1746         for crtl->eh.call_site_record being an array rather than scalar.
1747         (output_one_function_exception_table): New function, copied
1748         from output_function_exception_table.  Adjust
1749         dw2_size_of_call_site_table, dw2_output_call_site_table
1750         callers.  For SECOND section use *C suffixed labels.
1751         (output_function_exception_table): Call
1752         output_one_function_exception_table and, when doing hot/cold
1753         partitioning, also another time for the second section.
1754         * opts.c: Include except.h.
1755         (decode_options): Allow -freorder-blocks-and-partition with
1756         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
1757         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
1758         * function.h (struct rtl_eh): Change call_site_record from
1759         scalar into array of 2 elements.
1760
1761 2009-08-07  Martin Jambor  <mjambor@suse.cz>
1762
1763         * ipa-prop.c (count_formal_params_1): New function.
1764         (ipa_get_vector_of_formal_parms): New function.
1765         (get_vector_of_formal_parm_types): New function.
1766         (ipa_modify_formal_parameters): New function.
1767         (ipa_modify_call_arguments): New function.
1768         (index_in_adjustments_multiple_times_p): New function.
1769         (ipa_combine_adjustments): New function.
1770         (ipa_dump_param_adjustments): New function.
1771         * ipa-prop.h (struct ipa_parm_adjustment): New type.
1772         (ipa_get_vector_of_formal_parms): Declare.
1773         (ipa_modify_formal_parameters): Declare.
1774         (ipa_modify_call_arguments): Declare.
1775         (ipa_combine_adjustments): Declare.
1776         (ipa_dump_param_adjustments): Declare.
1777         (build_ref_for_offset): Declare.
1778         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
1779         * tree-sra.c: Include ipa-prop.c.
1780         (build_ref_for_offset): Make public.
1781
1782 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
1783
1784         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
1785
1786 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
1787
1788         * gcc/doc/extend.texi (__builtin_extract_return_address)
1789         (__builtin_frob_return_address): Document.
1790
1791 2009-08-06  Paul Brook  <paul@codesourcery.com>
1792
1793         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
1794         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
1795         implementation on ARMv6-M.
1796
1797 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
1798
1799         * doc/extend.texi (pcs): Document new attribute for ARM.
1800
1801 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
1802
1803         * arm.c (pcs_attribute_args): Comment out unsupported attribute
1804         variants.
1805
1806 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
1807
1808         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
1809         warning ().
1810
1811 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
1812
1813         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
1814
1815 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
1816
1817         Merge ARM/hard_vfp_branch to trunk.
1818
1819         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
1820
1821         * arm.c (libcall_eq): New function.
1822         (libcall_hash): New function.
1823         (add_libcall): New function.
1824         (arm_libcall_uses_aapcs_base): New function.
1825         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
1826         libcalls using the base PCS.
1827         (arm_init_cumulative_args): Likewise.
1828
1829         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
1830
1831         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
1832         Use base ABI for conversion libfuncs between HFmode and SFmode.
1833
1834         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
1835
1836         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
1837         V4SImode as representatives of all 64-bit and 128-bit vector
1838         types.  Allow vector types without vector modes.
1839         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
1840         without vector modes like BLKmode.
1841         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
1842         BLKmode.  Avoid unsupported vector modes or TImode moves for
1843         non-TARGET_NEON.
1844         (aapcs_vfp_allocate_return_reg): Likewise.
1845         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
1846         V8QImode if TARGET_NEON || TARGET_IWMMXT.
1847
1848         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
1849
1850         * config/arm/arm.c (arm_handle_pcs_attribute): New.
1851         (arm_get_pcs_model): Pass attribute arguments to
1852         arm_pcs_from_attribute.
1853         (arm_init_cumulative_args): Use base AAPCS for conversions from
1854         floating-point types to DImode.
1855         (arm_attribute_table): Add pcs attribute.
1856         (arm_handle_pcs_attribute): New.
1857         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
1858         conversions from floating-point types to DImode, also declare them
1859         to use base AAPCS and declare functions they call to use base
1860         AAPCS and their RTABI names.
1861
1862         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
1863
1864         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
1865         -mfloat-abi=hard not being supported for VFP.
1866
1867         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
1868
1869         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
1870         SYMBOL_REF to hard_libcall_value.
1871
1872         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
1873             Richard Earnshaw  <rearnsha@arm.com>
1874
1875         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
1876         has been put on the stack, all remaining co-processory arguments for
1877         that co-processor also go on the stack.
1878
1879         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
1880
1881         * config/arm/arm.c (arm_return_in_memory): Handle returning
1882         vectors of suitable size in registers also for AAPCS case.
1883
1884         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
1885
1886         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
1887
1888         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
1889
1890         ARM Hard-VFP calling convention
1891         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
1892         * target.h (gcc_target): Add libcall_value to table of call hooks.
1893         * targhooks.h (default_libcall_value): Default implementation.
1894         * targhooks.c (default_libcall_value): Likewise.
1895         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
1896         * optabs.c (expand_unop): Use it.
1897         * expr.h (hard_libcall_value): Pass the function RTX through.
1898         * calls.c (emit_library_call_value_1): Update call to
1899         hard_libcall_value.
1900         * explow.c (hard_libcall_value): Use new target hook.
1901         * testsuite/lib/target-supports.exp
1902         (check_effective_target_arm_hard_vfp_ok): New hook.
1903         (check_effective_target_arm_neon_ok): Improve test for neon
1904         availability.
1905         * testsuite/gcc.target/arm/eabi1.c: Only run test in base variant.
1906         * config/arm/arm.c: Include cgraph.h
1907         (TARGET_FUNCTION_VALUE): Override default hook.
1908         (arm_pcs_default): New variable.
1909         (arm_override_options): Don't fault hard calling convention with VFP.
1910         Add support for AAPCS variants.
1911         (arm_function_value): Make static.  Handle AAPCS variants.
1912         (arm_libcall_value): New function.
1913         (arm_apply_result_size): Handle VFP registers in results.
1914         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
1915         conventions.
1916         (pcs_attribute_args): New variable.
1917         (arm_pcs_from_attribute): New function.
1918         (arm_get_pcs_model): New function.
1919         (aapcs_vfp_cum_init): New function.
1920         (aapcs_vfp_sub_candidate): New function.
1921         (aapcs_vfp_is_return_candidate): New function.
1922         (aapcs_vfp_is_call_candidate): New function.
1923         (aapcs_vfp_allocate): New function.
1924         (aapcs_vfp_allocate_return_reg): New function.
1925         (aapcs_vfp_advance): New function.
1926         (aapcs_cp_arg_layout): New variable.
1927         (aapcs_select_call_coproc): New function.
1928         (aapcs_select_return_coproc): New function.
1929         (aapcs_allocate_return_reg): New function.
1930         (aapcs_libcall_value): New function.
1931         (aapcs_layout_arg): New function.
1932         (arm_init_cumulative_args): Initialize AAPCS args data.
1933         (arm_function_arg): Handle AAPCS variants using new interface.
1934         (arm_arg_parital_bytes): Likewise.
1935         (arm_function_arg_advance): New function.
1936         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
1937         calling conventions.
1938         (arm_setup_incoming_varargs): Handle new AAPCS args data.
1939         * arm.h (NUM_VFP_ARG_REGS): Define.
1940         (LIBCALL_VALUE): Update.
1941         (FUNCTION_VALUE): Delete.
1942         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
1943         (arm_pcs): New enum.
1944         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
1945         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
1946         (FUNCTION_ARG_REGNO_P): Add VFP regs.
1947         * arm-protos.h (arm_function_arg_advance): Add.
1948         (aapcs_libcall_value): Add.
1949         (arm_function_value): Delete.
1950
1951 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
1952             H.J. Lu  <hongjiu.lu@intel.com>
1953
1954         PR target/40957
1955         * config/i386/i386.c (standard_sse_mode_p): Remove.
1956         (standard_sse_constant_p): Return 2 for integer mode
1957         vector_all_ones_operand when SSE2 is enabled.
1958         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
1959         (ix86_expand_vector_move): Do not check for negative values from
1960         standard_sse_constant_p.
1961
1962 2009-08-06  Richard Guenther  <rguenther@suse.de>
1963
1964         * tree-ssa.c (useless_type_conversion_p_1): Make function and
1965         array type comparisons frontend independent.
1966         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
1967         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
1968         out array reference lower bound and element size operands.
1969         (ao_ref_init_from_vn_reference): Properly compute the offset
1970         for ARRAY_RANGE_REF.
1971         (vn_reference_fold_indirect): Fill out array reference lower
1972         bound and element size operands.
1973         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
1974         a non gimple valued reference operand which can happen for
1975         array reference lower bound or element size.
1976         (create_component_ref_by_pieces_1): Properly generate the
1977         element size operand for array references.
1978
1979 2009-08-06  Richard Guenther  <rguenther@suse.de>
1980
1981         PR tree-optimization/40964
1982         * tree.c (iterative_hash_host_wide_int): Export.
1983         * tree.h (iterative_hash_host_wide_int): Declare.
1984         * tree-ssa-structalias.c (heapvar_map): New struct.
1985         (heapvar_map_eq): New function.
1986         (heapvar_map_hash): Likewise.
1987         (heapvar_lookup): Adjust.
1988         (heapvar_insert): Likewise.
1989         (make_constraint_from_heapvar): Allow multiple heap variables
1990         per decl at different offsets.
1991         (init_alias_heapvars): Adjust.
1992
1993 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
1994
1995         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
1996         * mips_output_sync_loop (mips_output_sync_loop): Only emit
1997         trailing sync if TARGET_SYNC_AFTER_SC.
1998
1999 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
2000
2001         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
2002         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
2003         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
2004         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
2005         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
2006         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
2007         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
2008         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
2009         test_and_set_12): Rewrite calls to mips_output_sync_loop.
2010         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
2011         the prototype declaration match the definition.
2012         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
2013         instructions explicitly.  Add barrier_before and operands
2014         parameters.
2015         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
2016         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
2017         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
2018         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
2019         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
2020         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
2021
2022 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
2023
2024         * tree-ssa-alias.c: Fix intervals to use [) syntax.
2025
2026 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
2027             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
2028
2029         PR target/40906
2030         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
2031         source operand.
2032
2033 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
2034
2035         PR rtl-optimization/40924
2036         * dse.c (canon_address): Before calling cselib_expand_value_rtx
2037         make sure canon_rtx (mem_address) isn't simpler than
2038         canon_rtx (expanded_mem_address).
2039
2040 2009-08-05  Li Feng  <nemokingdom@gmail.com>
2041
2042         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
2043         for each poly_bb_p.
2044         (build_scop_drs): Build alias set for each SCoP.
2045
2046 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
2047
2048         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
2049         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
2050         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
2051         (MIPS_ARCH_FLOAT_SPEC): Likewise.
2052         (BASE_DRIVER_SELF_SPECS): Likewise.
2053
2054 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
2055
2056         * tree-ssa-alias.c: Fix some comment typos.
2057
2058 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
2059
2060         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
2061         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
2062
2063 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
2064
2065         PR c/39902
2066         * simplify-rtx.c (simplify_binary_operation_1): Disable
2067         simplifications for decimal float operations.
2068
2069 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
2070
2071         PR middle-end/40943
2072         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
2073         operand of INDIRECT_REF.
2074
2075 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
2076
2077         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
2078         constants referencing TLS symbols.
2079
2080 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
2081
2082         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
2083         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
2084
2085 2009-08-03  Richard Guenther  <rguenther@suse.de>
2086
2087         * tree.c (make_vector_type): Build a main variant first,
2088         get the canonical one and then build the variant.
2089         * tree-ssa.c (useless_type_conversion_p_1): Handle
2090         fixed-point types.
2091         (useless_type_conversion_p): Conversions to pointers to
2092         incomplete record types are useless.
2093
2094 2009-08-03  Richard Guenther  <rguenther@suse.de>
2095
2096         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
2097         file will be created.
2098         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
2099         * toplev.c (compile_file): Adjust comment.
2100
2101 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2102
2103         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
2104         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
2105         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2106         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
2107         (sh_promote_function_mode): Fix typo.
2108
2109 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
2110
2111         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
2112
2113 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2114
2115         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
2116         declaration arguments.
2117
2118 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
2119
2120         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
2121         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
2122         (ix86_split_ashl): Ditto.
2123         (ix86_expand_vector_init_one_nonzero): Ditto.
2124         (ix86_expand_vector_set): Ditto.
2125         (ix86_expand_reduc_v4sf): Ditto.
2126
2127 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
2128
2129         * explow.c (promote_function_mode): Remove assert.
2130         * config/sh/sh.c (sh_promote_function_mode): Declare.
2131
2132 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2133
2134         * config/pa/pa.c (pa_promote_function_mode): Declare.
2135         Change to static.  Fix promote_mode call.
2136
2137         * gthr-dce.h (CONST_CAST2): Define if not defined.
2138         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
2139
2140         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
2141
2142 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
2143
2144         * expr.c (store_constructor): Use promote_decl_mode.  Remove
2145         now write-only variable unsignedp.
2146         (expand_expr_real_1): Use promote_decl_mode.
2147         * expr.h (promote_function_mode, promote_decl_mode): New.
2148         (promote_mode): Remove last argument.
2149         * function.c (assign_temp): Drop last argument of promote_mode.
2150         (assign_parm_find_data_types): Use promote_function_mode.
2151         (assign_parm_setup_reg): Likewise.
2152         (expand_function_end): Use promote_function_mode.
2153         * calls.c (initialize_argument_information): Use promote_function_mode.
2154         (precompute_arguments): Use promote_mode instead of checking if
2155         only PROMOTE_FUNCTION_MODE is defined.
2156         (expand_call): When making sibcall decisions, use promote_function_mode.
2157         Below, remove an if for targetm.calls.promote_function_return and
2158         and use promote_function_mode.
2159         (emit_library_call_value_1): Use promote_function_mode, fix bug
2160         where promote_mode was passed FOR_CALL == 0 for a return value in an
2161         assertion.
2162         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
2163         * explow.c (promote_function_mode, promote_decl_mode): New.
2164         (promote_mode): Keep only the FOR_CALL == 0 case.
2165         * combine.c (setup_incoming_promotion): Remove test of
2166         promote_function_args.  Use promote_function_mode.
2167         * stmt.c (expand_value_return): Use promote_decl_mode.
2168         (expand_decl): Use promote_decl_mode.
2169
2170         * expr.c (store_constructor): Use promote_decl_mode.  Remove
2171         now write-only variable unsignedp.
2172         (expand_expr_real_1): Use promote_decl_mode.
2173         * expr.h (promote_function_mode, promote_decl_mode): New.
2174         (promote_mode): Remove last argument.
2175         * function.c (assign_temp): Drop last argument of promote_mode.
2176         (assign_parm_find_data_types): Use promote_function_mode.
2177         (assign_parm_setup_reg): Likewise.
2178         (expand_function_end): Use promote_function_mode.
2179         * calls.c (initialize_argument_information): Use promote_function_mode.
2180         (precompute_arguments): Use promote_mode instead of checking if
2181         only PROMOTE_FUNCTION_MODE is defined.
2182         (expand_call): When making sibcall decisions, use promote_function_mode.
2183         Below, remove an if for targetm.calls.promote_function_return and
2184         and use promote_function_mode.
2185         (emit_library_call_value_1): Use promote_function_mode, fix bug
2186         where promote_mode was passed FOR_CALL == 0 for a return value in an
2187         assertion.
2188         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
2189         * explow.c (promote_function_mode, promote_decl_mode): New.
2190         (promote_mode): Keep only the FOR_CALL == 0 case.
2191         * combine.c (setup_incoming_promotion): Remove test of
2192         promote_function_args.  Use promote_function_mode.
2193         * stmt.c (expand_value_return): Use promote_decl_mode.
2194         (expand_decl): Use promote_decl_mode.
2195
2196         * explow.c (promote_function_mode): Just call the target hook.
2197         * targhooks.c (default_promote_function_mode,
2198         default_promote_function_mode_always_promote): New.
2199         * targhooks.h (default_promote_function_mode,
2200         default_promote_function_mode_always_promote): Declare.
2201         * target.h (promote_function_args, promote_function_return): Remove.
2202         (promote_function_mode): New.
2203         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
2204         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2205         (TARGET_PROMOTE_FUNCTION_MODE): New.
2206         (TARGET_CALLS): Adjust.
2207         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
2208         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
2209
2210         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
2211         * config/s390/s390.c (s390_promote_function_mode): ... here,
2212         with pointer handling.
2213         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2214         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2215
2216         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
2217         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
2218         with pointer handling.
2219         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2220         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2221
2222         * config/sh/sh-protos.h (sh_promote_function_mode): New.
2223         * config/sh/sh.c (sh_promote_function_mode): New.
2224         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2225         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2226
2227         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
2228         * config/cris/cris.c (cris_promote_function_mode): ... here.
2229         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2230         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
2231
2232         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
2233         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
2234         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2235         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
2236
2237         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
2238         * config/arm/arm.c (arm_promote_function_mode): ... here, without
2239         complex type handling.
2240         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2241         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2242
2243         * config/pa/pa.c (pa_promote_function_mode): New.
2244         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2245         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2246
2247         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
2248         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2249         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
2250         * config/xtensa/xtensa.c: Likewise.
2251         * config/stormy16/stormy16.c: Likewise.
2252         * config/iq2000/iq2000.c: Likewise.
2253         * config/rs6000/rs6000.c: Likewise.
2254         * config/picochip/picochip.c: Likewise.
2255         * config/arc/arc.c: Likewise.
2256         * config/mcore/mcore.c: Likewise.
2257         * config/score/score.c: Likewise.
2258         * config/mips/mips.c: Likewise.
2259         * config/bfin/bfin.c: Likewise.
2260         * config/ia64/ia64.c: Likewise (disabled though).
2261
2262         * config/frv/frv.h: Remove pointless remark.
2263
2264         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
2265         TARGET_PROMOTE_FUNCTION_ARGS,
2266         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
2267         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
2268
2269 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
2270
2271         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
2272         -floop-parallelize-all.
2273         * toplev.c (process_options): Rename flag_graphite_force_parallel to
2274         flag_loop_parallelize_all.
2275         * tree-ssa-loop.c (gate_graphite_transforms): Same.
2276         * graphite.c (graphite_transform_loops): Same.
2277         * common.opt: Same.
2278         * graphite-poly.c (apply_poly_transforms): Same.
2279
2280 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
2281
2282         PR tree-optimization/40914
2283         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
2284         if set, then check the delta field of the PMF record.
2285         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
2286         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
2287         call is stored in the delta.
2288
2289 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
2290
2291         * config/mips/mips.md (*clear_upper32_dext): New pattern.
2292
2293 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
2294
2295         * config/i386/bsd.h (ASM_BYTE): New define.
2296         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
2297         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
2298         .byte.  Use fputs or putc instead of fprintf where appropriate.
2299         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
2300         fputs or putc instead of fprintf where appropriate.
2301         * config/i386/i386elf.h: Ditto.
2302         * config/i386/sysv4.h: Ditto.
2303
2304         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
2305         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
2306         (*tls_global_dynamic_64): Ditto.
2307
2308 2009-07-31  Christian Bruel  <christian.bruel@st.com>
2309
2310         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
2311
2312 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2313
2314         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
2315         Remove dead code for MINUS.
2316
2317 2009-07-31  Anthony Green  <green@moxielogic.com>
2318
2319         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
2320         $r12 in prologue.
2321         (moxie_expand_epilogue): Ditto for epilogue.
2322         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
2323         incoming arguments.
2324         (moxie_function_arg): Ditto.
2325         (moxie_pass_by_reference): Ditto.
2326         (moxie_arg_partial_bytes): Ditto.
2327         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
2328         (FUNCTION_ARG_ADVANCE) Ditto.
2329         (REG_PARM_STACK_SPACE) Ditto.
2330         (FUNCTION_ARG_REGNO_P) Dito.
2331
2332         * config.gcc: Add moxie linux config support.
2333         * gcc/config/moxie/uclinux.h: New file.
2334
2335 2009-07-31  DJ Delorie  <dj@redhat.com>
2336
2337         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
2338         (UNSPECV_SP_SWITCH_E): New.
2339         (sp_switch_1): Change to an unspec.
2340         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
2341         replace $r15.
2342         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
2343         reference the new stack's address
2344
2345 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2346
2347         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
2348         graphite-clast-to-gimple.o, graphite-dependences.o,
2349         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
2350         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
2351         (graphite-blocking.o,
2352         graphite-clast-to-gimple.o, graphite-dependences.o,
2353         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
2354         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
2355         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
2356         * cfgloop.h (struct loop): Add can_be_parallel field.
2357         * common.opt (fgraphite-identity): Moved up.
2358         (fgraphite-force-parallel): New flag.
2359         * graphite.c: Rewrite.
2360         * graphite.h: Rewrite.
2361         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
2362         after Graphite.
2363         * toplev.c (graphite_out_file): New file descriptor.
2364         (graphite_in_file): New.
2365         (process_options): flag_graphite_force_parallel cannot be used without
2366         Graphite.
2367         * tree-ssa-loop.c: Include toplev.h.
2368         (gate_graphite_transforms): Enable flag_graphite for
2369         flag_graphite_force_parallel.
2370
2371 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2372
2373         * ChangeLog.graphite: New.
2374         * graphite-blocking.c: New.
2375         * graphite-clast-to-gimple.c: New.
2376         * graphite-clast-to-gimple.h: New.
2377         * graphite-dependences.c: New.
2378         * graphite-dependences.h: New.
2379         * graphite-interchange.c: New.
2380         * graphite-poly.c: New.
2381         * graphite-poly.h: New.
2382         * graphite-ppl.c: New.
2383         * graphite-ppl.h: New.
2384         * graphite-scop-detection.c: New.
2385         * graphite-scop-detection.h: New.
2386         * graphite-sese-to-poly.c: New.
2387         * graphite-sese-to-poly.h: New.
2388         * sese.c: New.
2389         * sese.h: New.
2390
2391 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2392
2393         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2394         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
2395
2396 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2397
2398         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
2399         (scev_is_linear_expression): Return false if the evolution is not
2400         affine multivariate.
2401
2402 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2403
2404         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2405         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2406
2407 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2408
2409         * tree-data-ref.c (debug_data_references): New.
2410         (debug_data_reference): New.
2411         * tree-data-ref.h (debug_data_references): Declared.
2412         (debug_data_reference): Declared.
2413
2414 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2415
2416         * tree-data-ref.c (stmt_simple_memref_p: Removed.
2417         * tree-data-ref.h (scop_p): Removed.
2418         (struct data_reference): Remove field scop.
2419         (DR_SCOP): Removed.
2420         (stmt_simple_memref_p): Removed.
2421
2422 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2423
2424         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
2425         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
2426         basic block empty.
2427
2428 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2429
2430         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
2431
2432 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2433
2434         * doc/invoke.texi (-fgraphite-identity): Documented.
2435
2436 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438         * tree-scalar-evolution.c: Fix comment.
2439         (instantiate_scev_1): Return unknow from scev instantiation if the
2440         result is not above instantiate_below.
2441
2442 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2443
2444         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2445         static anymore.  Instantiate the symbols that may have been introduced
2446         by chrec_apply.
2447         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2448         Declared.
2449
2450 2009-07-30  DJ Delorie  <dj@redhat.com>
2451
2452         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
2453         .vliw directive to VLIW sections.
2454
2455 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2456
2457         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
2458         New variables.
2459         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
2460         (AUTOHEADER): New variable.
2461         ($(srcdir)/cstamp-h.in): Use it.
2462
2463 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
2464             Pat Haugen  <pthaugen@us.ibm.com>
2465             Revital Eres <ERES@il.ibm.com>
2466
2467         * config/rs6000/vector.md (VEC_F): Add VSX support.
2468         (VEC_A): Ditto.
2469         (VEC_N): Ditto.
2470         (mov<mode>): Ditto.
2471         (vector_load_<mode>): Ditto.
2472         (vector_store_<mode>): Ditto.
2473         (vector GPR move split): Ditto.
2474         (vec_reload_and_plus_<mptrsize>): Ditto.
2475         (vec_reload_and_reg_<mptrsize>): Ditto.
2476         (add<mode>3): Ditto.
2477         (sub<mode>3): Ditto.
2478         (mul<mode>3): Ditto.
2479         (neg<mode>2): Ditto.
2480         (abs<mode>2): Ditto.
2481         (smin<mode>3): Ditto.
2482         (smax<mode>3): Ditto.
2483         (vector_eq<mode>): Ditto.
2484         (vector_gt<mode>): Ditto.
2485         (vector_ge<mode>): Ditto.
2486         (vector_gtu<mode>): Ditto.
2487         (vector_select_<mode>_uns): Ditto.
2488         (vector_eq_<mode>_p): Ditto.
2489         (vector_gt_<mode>_p): Ditto.
2490         (vector_ge_<mode>_p): Ditto.
2491         (vector_gtu_<mode>_p): Ditto.
2492         (cr6_test_for_zero): Ditto.
2493         (cr6_test_for_zero_reverse): Ditto.
2494         (cr6_test_for_lt): Ditto.
2495         (cr6_test_for_lt_reverse): Ditto.
2496         (xor<mode>3): Ditto.
2497         (ior<mode>3): Ditto.
2498         (and<mode>3): Ditto.
2499         (one_cmpl<mode>2): Ditto.
2500         (nor<mode>2): Ditto.
2501         (andc<mode>2): Ditto.
2502         (float<VEC_int<mode>2): Ditto.
2503         (unsigned_float<VEC_int><mode>2): Ditto.
2504         (fix_trunc<mode><VEC_int>2): Ditto.
2505         (fixuns_trunc<mode><VEC_int>2): Ditto.
2506         (vec_init<mode>):
2507         (vec_set<mode>): Ditto.
2508         (vec_extract<mode>): Ditto.
2509         (vec_interleave_highv4sf): Ditto.
2510         (vec_interleave_lowv4sf): Ditto.
2511         (vec_realign_load_<mode>): Ditto.
2512         (vec_shl_<mode>): Ditto.
2513         (vec_shr_<mode>): Ditto.
2514         (div<mode>3): New patterns for VSX.
2515         (vec_interleave_highv2df): Ditto.
2516         (vec_interleave_lowv2df): Ditto.
2517         (vec_pack_trunc_v2df): Ditto.
2518         (vec_pack_sfix_trunc_v2df): Ditto.
2519         (vec_pack_ufix_trunc_v2df): Ditto.
2520         (vec_unpacks_hi_v4sf): Ditto.
2521         (vec_unpacks_lo_v4sf): Ditto.
2522         (vec_unpacks_float_hi_v4si): Ditto.
2523         (vec_unpacks_float_lo_v4si): Ditto.
2524         (vec_unpacku_float_hi_v4si): Ditto.
2525         (vec_unpacku_float_lo_v4si): Ditto.
2526         (movmisalign<mode>): Ditto.
2527         (vector_ceil<mode>2): New patterns for vectorizing math library.
2528         (vector_floor<mode>2): Ditto.
2529         (vector_btrunc<mode>2): Ditto.
2530         (vector_copysign<mode>3): Ditto.
2531
2532         * config/rs6000/predicates.md (easy_vector_constant_msb): New
2533         predicate for setting the high bit in each word, used for copysign.
2534
2535         * config/rs6000/ppc-asm.h (f19): Whitespace.
2536         (f32-f63): Define if VSX.
2537         (v0-v31): Define if Altivec.
2538         (vs0-vs63): Define if VSX.
2539
2540         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
2541
2542         * config/rs6000/power7.md: New file, provide tuning parameters for
2543         -mcpu=power7.
2544
2545         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
2546         (rs6000_cpu_cpp_builtins): Ditto.
2547         (altivec_overloaded_builtins): Ditto.
2548         (altivec_resolve_overloaded_builtin): Ditto.
2549
2550         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
2551         debug switch to disable vectorizing simple math builtin
2552         functions.
2553
2554         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2555         Vectorize simple math builtin functions.
2556         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
2557         hook to vectorize math builtins.
2558         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
2559         (rs6000_builtin_conversion): Add VSX/power7 support.
2560         (rs6000_builtin_vec_perm): Ditto.
2561         (vsplits_constant): Add support for loading up a vector constant
2562         with just the high bit set in each part.
2563         (rs6000_expand_vector_init): Add VSX/power7 support.
2564         (rs6000_expand_vector_set): Ditto.
2565         (rs6000_expand_vector_extract): Ditto.
2566         (rs6000_emit_move): Ditto.
2567         (bdesc_3arg): Ditto.
2568         (bdesc_2arg): Ditto.
2569         (bdesc_1arg): Ditto.
2570         (rs6000_expand_ternop_builtin): Ditto.
2571         (altivec_expand_builtin): Ditto.
2572         (rs6000_expand_unop_builtin): Ditto.
2573         (rs6000_init_builtins): Ditto.
2574         (altivec_init_builtins): Ditto.
2575         (builtin_function_type): Ditto.
2576         (rs6000_common_init_builtins): Ditto.
2577         (rs6000_handle_altivec_attribute); Ditto.
2578         (rs6000_mangle_type): Ditto.
2579         (rs6000_vector_mode_supported_p): Ditto.
2580         (rs6000_mode_dependent_address): Altivec addresses with AND -16
2581         are mode dependent.
2582
2583         * config/rs6000/vsx.md: New file for VSX support.
2584
2585         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
2586         identifing values with just the most significant bit set.
2587         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
2588         vectorized builtins.
2589
2590         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
2591         (UNSPEC_VRFIM): Delete.
2592         (splitter for loading up vector with most significant bit): New
2593         splitter for vectorizing copysign.
2594         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
2595         vectorizing simple math functions.
2596         (altivec_vrfip): Add support for vectorizing simple math functions.
2597         (altivec_vrfim): Ditto.
2598         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
2599
2600         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
2601         (power7.md, vsx.md): Include for power7 support.
2602         (copysigndf3): Use VSX instructions if -mvsx.
2603         (negdf2_fpr): Ditto.
2604         (absdf2_fpr): Ditto.
2605         (nabsdf2_fpr): Ditto.
2606         (adddf3_fpr): Ditto.
2607         (subdf3_fpr): Ditto.
2608         (muldf3_fpr): Ditto.
2609         (divdf3_fpr): Ditto.
2610         (fix_truncdfdi2_fpr): Ditto.
2611         (cmpdf_internal1): Ditto.
2612         (fred, fred_fpr): Convert into expander/insn to add VSX support.
2613         (btruncdf2, btruncdf2_fpr): Ditto.
2614         (ceildf2, ceildf2_fpr): Ditto.
2615         (floordf2, floordf2_fpr): Ditto.
2616         (floatdidf2, floatdidf2_fpr): Ditto.
2617         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
2618         (fmsubdf4_fpr): Ditto.
2619         (fnmadddf4_fpr_1): Ditto.
2620         (fnmadddf4_fpr_2): Ditto.
2621         (fnmsubdf4_fpr_1): Ditto.
2622         (fnmsubdf4_fpr_2): Ditto.
2623         (fixuns_truncdfdi2): Add expander for VSX support.
2624         (fix_truncdfdi2): Ditto.
2625         (fix_truncdfsi2): Ditto.
2626         (ftruncdf2): Ditto.
2627         (btruncsf2): Whitespace.
2628         (movdf_hardfloat32): Add support for VSX registers.
2629         (movdf_softfloat32): Ditto.
2630         (movdf_hardfloat64): Ditto.
2631         (movdf_hardfloat64_mfpgpr): Ditto.
2632         (movdf_softfloat64): Ditto.
2633         (movti splitters): Add check for vector registers supporting
2634         TImode in the future.
2635         (bpermd): Add power7 bpermd instruction.
2636
2637         * config/rs6000/altivec.h (vec_div): Define if VSX.
2638         (vec_mul): Ditto.
2639         (vec_msub): Ditto.
2640         (vec_nmadd): Ditto.
2641         (vec_nearbyint): Ditto.
2642         (vec_rint): Ditto.
2643         (vec_sqrt): Ditto.
2644         (all predicates): Use the generic builtin function, and not the V4SF
2645         specific function so that the predicates will work with VSX's V2DF.
2646         (vec_all_*): Ditto.
2647         (vec_any_*): Ditto.
2648
2649         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
2650         Document new VSX functions and types.
2651
2652         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
2653         switches.
2654
2655         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
2656         "wa", and "j" constraints.  Modify "v" to talk about Altivec
2657         instead of just vector.
2658
2659 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
2660
2661         PR debug/26475
2662         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
2663         location for phi arguments.
2664         (rewrite_update_phi_arguments): Find locations for reaching defs.
2665         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
2666         Add location to add_phi_arg calls.
2667         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
2668         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
2669         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
2670         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
2671         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
2672         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
2673         * tree-phinodes.c (make_phi_node): Initialize location.
2674         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
2675         (add_phi_arg): Add location parameter.
2676         (remove_phi_arg_num): Move location when moving phi argument.
2677         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
2678         location.
2679         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
2680         slpeel_update_phi_nodes_for_guard1,
2681         slpeel_update_phi_nodes_for_guard2,
2682         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
2683         vect_loop_versioning): Set locations.
2684         * tree-parloops.c (create_phi_for_local_result,
2685         transform_to_exit_first_loop, create_parallel_loop): Add locations.
2686         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
2687         * tree-vect-loop.c (get_initial_def_for_induction,
2688         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
2689         locations.
2690         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
2691         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
2692         (gimple_phi_arg_set_location): New.  Set locus.
2693         (gimple_phi_arg_has_location): New.  Check for locus.
2694         (redirect_edge_var_map_location): New.  Return locus from var_map.
2695         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
2696         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
2697         combining PHI arguments.
2698         (cond_store_replacement): Set location.
2699         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
2700         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
2701         scop_add_exit_phis_edge): Add locations.
2702         * tree-cfgcleanup.c (remove_forwarder_block,
2703         remove_forwarder_block_with_phi): Add locations.
2704         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
2705         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
2706         locations.
2707         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
2708         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
2709         flush_pending_stmts): Add source location.
2710         * lambda-code.c (perfect_nestify): Maintain location stack with argument
2711         stack to preserve locations.
2712         * tree-vect-stmts.c (vectorizable_load): Add location.
2713         * tree-inline.c (copy_phis_for_bb): Copy locus.
2714         (setup_one_parameter): Add call locus to inlined parameter stmts.
2715         (initialize_inlined_parameters): Pass in call location as parameter
2716         assignment locus.
2717         (tree_function_versioning): Pass location to setup_one_parameter.
2718         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
2719         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
2720         copy and edge lists.
2721         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
2722         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
2723         locus parameter and override the stmt default if provided.
2724         (new_elim_graph, clear_elim_graph, delete_elim_graph,
2725         elim_graph_add_edge, elim_graph_remove_succ_edge,
2726         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
2727         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
2728         eliminate_phi):  Add locus info in elimination graph for each edge and
2729         value copy.
2730         (insert_backedge_copies): Copy locus if present.
2731         * tree-flow.h (struct _edge_var_map): Add locus field.
2732         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
2733         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
2734         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
2735         locations.
2736         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
2737
2738 2009-07-30  Martin Jambor  <mjambor@suse.cz>
2739
2740         PR tree-optimization/40570
2741         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
2742         use inlining loops.
2743
2744 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
2745
2746         * ssa-loop-manip.c: Include langhooks.h.
2747         (rewrite_phi_with_iv): New.
2748         (rewrite_all_phi_nodes_with_iv): New.
2749         (canonicalize_loop_ivs): Move here from tree-parloops.c.
2750         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
2751         * tree-parloops.c (loop_parallel_p): Move out all conditions
2752         except dependency check.
2753         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
2754         (gen_parallel_loop): Call canonicalize_loop_ivs without
2755         reduction_list argument.
2756         (build_new_reduction): New.
2757         (gather_scalar_reductions): New.
2758         (try_get_loop_niter): New.
2759         (try_create_reduction_list): New.
2760         (parallleize_loops): Change the parallel conditions check.
2761         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2762         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
2763
2764 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2765
2766         * opt-functions.awk (opt_args): Allow argument to be enclosed in
2767         curly braces.
2768         * doc/options.texi (Option properties):  Mention new quoting syntax.
2769
2770 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
2771
2772         * config/alpha/alpha.c (alpha_start_function):
2773         Handle VMS_DEBUG_MAIN_POINTER
2774         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
2775         * doc/invoke.texi: Document -mdebug-main switch.
2776
2777 2009-07-29  Richard Henderson  <rth@redhat.com>
2778
2779         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
2780         (cgraph_create_edge_including_clones): Likewise.
2781         * tree-inline.c (copy_bb): Operate on the correct edges
2782         when updating the callgraph.
2783
2784 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
2785
2786         * config/alpha/vms-cc.c: Deleted.
2787         * config/alpha/vms-ld.c: Deleted.
2788         * config/alpha/t-vms64: Moved to config/vms
2789         * config/alpha/vms-crt0-64.c: Moved to config/vms
2790         * config/alpha/vms-crt0.c: Moved to config/vms
2791         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
2792         * config/alpha/vms-psxcrt0.c: Moved to config/vms
2793         * config/alpha/xm-vms.h: Moved to config/vms
2794         * config/alpha/x-vms: Moved to config/vms
2795         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
2796         config/vms/t-vms.
2797         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
2798         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
2799         (version): Set.
2800         * config/vms/t-vms64: Moved here from config/alpha
2801         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
2802         (argc,argv,envp): Enforce 32bit malloc'ing.
2803         * config/vms/vms-psxcrt0-64.c: Likewise.
2804         * config/vms/vms-crt0.c: Moved here from config/alpha.
2805         * config/vms/vms-psxcrt0.c: Likewise.
2806         * config/vms/vms-crtl-64.h: New file.
2807         * config/vms/vms-crtl.h: New file.
2808         * config/vms/vms.opt: New file.
2809         * config/vms/xm-vms64.h: New file.
2810         * config/vms/xm-vms.h: Moved here from config/alpha.
2811         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
2812         Set.
2813         * config/vms/x-vms: Moved here from config/alpha.
2814         (version, VMS_EXTRA_PARTS): Moved to t-vms.
2815         (vms-ld.o, vms-cc.o): Removed.
2816         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
2817
2818 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
2819
2820         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
2821         correct stack (obvious VMS fix).
2822
2823 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
2824
2825         * dwarf2out.c (output_file_names): Output VMS style file name, size,
2826         date, version info if VMS_DEBUGGING_INFO defined.
2827         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
2828         size, date calculating code moved here.
2829
2830 2009-07-29  Paul Brook  <paul@codesourcery.com>
2831
2832         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
2833         do_push/do_pop.
2834
2835 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
2836
2837         PR target/40577
2838         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
2839         to DImode when generating insq_le insn.
2840
2841 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
2842
2843         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
2844         New macro set for VMS_DEBUGGGING_INFO.
2845         (AT_string_form): Use it.
2846
2847 2009-07-28  DJ Delorie  <dj@redhat.com>
2848
2849         * config/mep/mep.c (vtext_section): New.
2850         (vftext_section): New.
2851         (ftext_section): New.
2852         (mep_select_section): Add support for functions.
2853         (mep_unique_section): Likewise.
2854         (mep_asm_init_sections): Likewise.
2855         (mep_encode_section_info): Remove it from here.
2856
2857         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
2858
2859 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
2860
2861         * tree.h (TREE_DEPRECATED): Document it is used for types too.
2862         (TYPE_VECTOR_OPAQUE): Use default_def_flag
2863
2864 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
2865
2866         * dwarf2out.c (output_file_names): Test new macro
2867         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
2868         (add_comp_dir_attribute): Likewise.
2869
2870 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
2871
2872         * config/i386/mingw-w64.h (LINK_SPEC): Add
2873         separating space between commands.
2874
2875 2009-07-28  Jan Hubicka  <jh@suse.cz>
2876
2877         PR tree-optimization/40759
2878         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
2879         for renaming.
2880
2881 2009-07-27  DJ Delorie  <dj@redhat.com>
2882
2883         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
2884         types are dword-aligned.
2885         (mep_expand_va_start): Likewise.
2886
2887 2009-07-27  Olivier Hainque  <hainque@adacore.com>
2888             Douglas B Rupp  <rupp@gnat.com>
2889
2890         * convert.c (convert_to_pointer): Don't assume the target
2891         pointer type is POINTER_SIZE long. Fetch its precision instead.
2892
2893 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
2894
2895         * system.h (fopen): Undefine if macro.
2896
2897 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
2898
2899         * dwarf2out.c (output_cfi_p): Removed.
2900         (output_cfis): New function.
2901         (output_fde): New function, split from output_call_frame_info.
2902         (output_call_frame_info): Use it.
2903         (dwarf2out_switch_text_section): Use output_cfis.
2904
2905 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
2906
2907         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
2908         TARGET_BI_ARCH is specified without enabling SJLJ.
2909         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
2910         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
2911
2912 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
2913
2914         * arm.md (negdi2): Use DImode if forcing a value into a register.
2915
2916 2009-07-26  Ira Rosen  <irar@il.ibm.com>
2917
2918         PR tree-optimization/40801
2919         * tree-vect-stmts.c (vectorizable_call): Get previous copy
2920         of vector operand from the previous copy of vector statement.
2921         Pass the correct definition type value to
2922         vect_get_vec_def_for_stmt_copy().
2923
2924 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2925
2926         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
2927         const char ** conversion.
2928
2929 2009-07-25 David Daney <ddaney@caviumnetworks.com>
2930
2931         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
2932         fancy_abort() if !ENABLE_ASSERT_CHECKING.
2933         (gcc_unreachable): Invoke __builtin_unreachable() if
2934         !ENABLE_ASSERT_CHECKING.
2935
2936 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
2937
2938         PR rtl-optimization/40445
2939         * emit-rtl.c (next_nonnote_insn_bb): New function.
2940         * rtl.h (next_nonnote_insn_bb): Declare new function.
2941         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
2942         with no successors that is the successor of the ENTRY_BLOCK.
2943         Continue from the top after removing an empty fallthrough block.
2944         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
2945         of next_nonnote_insn.
2946
2947 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
2948
2949         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
2950
2951 2009-07-25  Martin Jambor  <mjambor@suse.cz>
2952
2953         * c-common.c (c_common_attribute_table): New element for noclone.
2954         (handle_noclone_attribute): New function. Forward-declare.
2955         * tree-inline.c (tree_versionable_function_p): Check for noclone
2956         attribute.
2957         * doc/extend.texi (Labels as Values): Document need for noclone.
2958         (Function Attributes): Document noclone attribute.
2959
2960 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
2961
2962         PR rtl-optimization/34999
2963         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
2964         and dw_fde_switched_cold_to_hot fields.
2965         (output_cfi_p): New function.
2966         (output_call_frame_info): If fde->dw_fde_switched_sections,
2967         output 2 FDEs instead of one with corrupted header.
2968         (dwarf2out_do_cfi_startproc): New function.
2969         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
2970         and fde->dw_fde_switched_cold_to_hot.
2971         (dwarf2out_switch_text_section): Compute
2972         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
2973         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
2974         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
2975         Otherwise, compute fde->dw_fde_switch_cfi.
2976
2977 2009-07-24  Cary Coutant  <ccoutant@google.com>
2978
2979         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
2980
2981 2009-07-24  Cary Coutant  <ccoutant@google.com>
2982
2983         * cfghooks.c (split_block): Copy discriminator to new block.
2984         * tree-cfg.c (assign_discriminator): Check location of last
2985         instruction in block as well as first.
2986
2987 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
2988
2989         * config/i386/linux.c: Use fputs or putc instead of fprintf
2990         where appropriate.
2991         * config/i386/gas.h: Ditto.
2992         * config/i386/x86-64.h: Ditto.
2993         * config/i386/att.h: Ditto.
2994
2995 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2996
2997         * expmed.c (emit_store_flag): Use a recursive call to optimize the
2998         xor case.
2999
3000 2009-07-24  Martin Jambor  <mjambor@suse.cz>
3001
3002         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
3003         (ipa_push_func_to_list_1): Declare.
3004         (ipa_push_func_to_list): New function.
3005
3006         * ipa-prop.c (ipa_push_func_to_list_1): New function.
3007         (ipa_init_func_list): Call ipa_push_func_to_list_1.
3008         (ipa_push_func_to_list): Removed.
3009         (ipa_pop_func_from_list): Clear node_enqueued flag.
3010
3011 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3012
3013         * config/s390/s390.c (override_options): Default
3014         max-unrolled-insns to 100 for z10 tuning.
3015
3016 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3017
3018         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
3019         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
3020         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
3021         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
3022         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
3023         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
3024         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
3025
3026 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
3027
3028         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
3029         use default set in mingw32.h header.
3030         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
3031         64-bit /mingw/include path.
3032         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
3033         path.
3034
3035 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
3036
3037         PR rtl-optimization/40209
3038         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
3039
3040 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
3041
3042         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
3043         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
3044         with the rest of string where appropriate.  Use fputs or putc
3045         instead of fprintf where appropriate.
3046
3047 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
3048             Pat Haugen  <pthaugen@us.ibm.com>
3049             Revital Eres <ERES@il.ibm.com>
3050
3051         * config/rs6000/vector.md: New file.  Move most of the vector
3052         expander support here from altivec.md to allow for the VSX vector
3053         unit in the future.  Add support for secondary_reload patterns.
3054         Rewrite the patterns for vector comparison, and vector comparison
3055         predicate instructions so that the RTL expresses the desired
3056         behavior, instead of using unspec.
3057
3058         * config/rs6000/constraints.md ("f" constraint): Use
3059         rs6000_constraints to hold the precalculated register class.
3060         ("d" constraint): Ditto.
3061         ("wd" constraint): New constraint for VSX.
3062         ("wf" constraint): Ditto.
3063         ("ws" constraint): Ditto.
3064         ("wa" constraint): Ditto.
3065         ("wZ" constraint): Ditto.
3066         ("j" constraint): Ditto.
3067
3068         * config/rs6000/predicates.md (vsx_register_operand): New
3069         predicate for VSX.
3070         (vfloat_operand): New predicate for vector.md.
3071         (vint_operand): Ditto.
3072         (vlogical_operand): Ditto.
3073         (easy_fp_constant): If VSX, 0.0 is an easy constant.
3074         (easy_vector_constant): Add VSX support.
3075         (altivec_indexed_or_indirect_operand): New predicate for
3076         recognizing Altivec style memory references with AND -16.
3077
3078         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
3079         for vector secondary reload support.
3080         (rs6000_vector_reg_class): Delete, replacing it with
3081         rs6000_constraints.
3082         (rs6000_vsx_reg_class): Ditto.
3083         (rs6000_constraints): New array to hold the register classes of
3084         each of the register constraints that can vary at runtime.
3085         (builtin_mode_to_type): New static array for builtin function type
3086         creation.
3087         (builtin_hash_table): New static hash table for builtin function
3088         type creation.
3089         (TARGET_SECONDARY_RELOAD): Define target hook.
3090         (TARGET_IRA_COVER_CLASSES): Ditto.
3091         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
3092         registers are 128 bits if VSX memory reference instructions are used.
3093         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
3094         unit is being used.
3095         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
3096         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
3097         Print several of the scheduling related parameters.
3098         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
3099         rs6000_constraints instead of rs6000_vector_reg_class.  Move
3100         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
3101         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
3102         Altivec.  Add VSX support.  Setup for secondary reload support on
3103         Altivec/VSX registers.
3104         (rs6000_override_options): Make power7 set the scheduling groups
3105         like the power5.  Add support for new debug switches to override
3106         the scheduling defaults.  Temporarily disable -mcpu=power7 from
3107         setting -mvsx.  Add support for debug switches -malways-hint,
3108         -msched-groups, and -malign-branch-targets.
3109         (rs6000_buitlin_conversion): Add support for returning unsigned
3110         vector conversion functions to fix regressions due to stricter
3111         type checking.
3112         (rs6000_builtin_mul_widen_even): Ditto.
3113         (rs6000_builtin_mul_widen_odd): Ditto.
3114         (rs6000_builtin_vec_perm): Ditto.
3115         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
3116         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
3117         to zero a register.
3118         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
3119         generated upstream.
3120         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
3121         VSX types for bit operations.  Changes to accomidate vector.md.
3122         (bdesc_2arg): Ditto.
3123         (bdesc_1arg): Ditto.
3124         (struct builtin_description_predicates): Rewrite predicate
3125         handling so that RTL describes the operation, instead of passing
3126         the instruction to be used as a string argument.
3127         (bdesc_altivec_preds): Ditto.
3128         (altivec_expand_predicate_builtin): Ditto.
3129         (altivec_expand_builtin): Ditto.
3130         (rs6000_expand_ternop_builtin): Use a switch instead of an if
3131         statement for vsldoi support.
3132         (altivec_expand_ld_builtin): Change to use new names from vector.md.
3133         (altivec_expand_st_builtin): Ditto.
3134         (paired_expand_builtin): Whitespace changes.
3135         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
3136         builtin_mode_to_type table for secondary reload.  Call
3137         builtin_function_type to build random builtin functions.
3138         (altivec_init_builtins): Change to use builtin_function_type to
3139         create builtin function types dynamically as we need them.
3140         (builtin_hash_function): New support for hashing the tree types
3141         for builtin function as we need it, rather than trying to build
3142         all of the trees that we need.  Add initial preliminary VSX support.
3143         (builtin_function_type): Ditto.
3144         (builtin_function_eq): Ditto.
3145         (builtin_hash_struct): Ditto.
3146         (rs6000_init_builtins): Ditto.
3147         (rs6000_common_init_builtins): Ditto.
3148         (altivec_init_builtins): Ditto.
3149         (rs6000_common_init_builtins): Ditto.
3150         (enum reload_reg_type): New enum for simplifing reg classes.
3151         (rs6000_reload_register_type): Simplify register classes into GPR,
3152         Vector, and other registers.  Altivec and VSX addresses in reload.
3153         (rs6000_secondary_reload_inner): Ditto.
3154         (rs6000_ira_cover_classes): New target hook, that returns the
3155         appropriate cover classes, based on -mvsx being used or not.
3156         (rs6000_secondary_reload_class): Add VSX support.
3157         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
3158         (get_vsel_insn): Ditto.
3159         (rs6000_emit_vector_compare): Rewrite vector conditional support
3160         so that where we can, we use RTL operators, instead of blindly use
3161         UNSPEC.
3162         (rs6000_emit_vector_select): Ditto.
3163         (rs6000_emit_vector_cond_expr): Ditto.
3164         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
3165         (create_TOC_reference): Add -mdebug=addr support.
3166         (emit_frame_save): VSX loads/stores need register indexed addressing.
3167
3168         * config/rs6000/rs6000.md: Include vector.md.
3169
3170         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
3171
3172         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3173         support for V2DI, V2DF in logical, permute, select operations.
3174
3175         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
3176         switch for vsx/power7.
3177         (-mvsx-scalar-memory): Ditto.
3178         (-mvsx-align-128): Ditto.
3179         (-mallow-movmisalign): Ditto.
3180         (-mallow-df-permute): Ditto.
3181         (-msched-groups): Ditto.
3182         (-malways-hint): Ditto.
3183         (-malign-branch-targets): Ditto.
3184
3185         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
3186         hook instead.
3187         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
3188         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
3189         (rs6000_vector_reg_class): Delete.
3190         (rs6000_vsx_reg_class): Ditto.
3191         (enum rs6000_reg_class_enum): New enum for the constraints that
3192         vary based on target switches.
3193         (rs6000_constraints): New array to hold the register class for all
3194         of the register constraints that vary based on the switches used.
3195         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
3196         (enum rs6000_builtins): Add unsigned varients for the builtin
3197         declarations returned by target hooks for expanding multiplies,
3198         select, and permute operations.  Add VSX builtins.
3199         (enum rs6000_builtin_type_index): Add entries for VSX.
3200         (V2DI_type_node): Ditto.
3201         (V2DF_type_node): Ditto.
3202         (unsigned_V2DI_type_node): Ditto.
3203         (bool_long_type_node): Ditto.
3204         (intDI_type_internal_node): Ditto.
3205         (uintDI_type_internal_node): Ditto.
3206         (double_type_internal_node): Ditto.
3207
3208         * config/rs6000/altivec.md (whole file): Move all expanders to
3209         vector.md from altivec.md.  Rename insn matching functions to be
3210         altivec_foo.
3211         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
3212         (altivec_vcmp*): Ditto.
3213         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
3214         (VM): New iterator for moves that includes the VSX types.
3215         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
3216         (altivec_vperm_<mode>_uns): New, for unsigned types.
3217         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
3218         (altivec_eq<mode>): Ditto.
3219         (altivec_gt<mode>): Ditto.
3220         (altivec_gtu<mode>): Ditto.
3221         (altivec_eqv4sf): Ditto.
3222         (altivec_gev4sf): Ditto.
3223         (altivec_gtv4sf): Ditto.
3224         (altivec_vcmpbfp_p): Ditto.
3225
3226 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
3227
3228         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
3229         unsigned HWI.
3230
3231 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
3232
3233         PR target/40832
3234         * config/i386/i386.c (output_387_ffreep): Rewrite to use
3235         ASM_SHORT instead of .word.
3236         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
3237         instead of .word in asm template.
3238
3239 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
3240
3241         PR target/37488
3242         * ira-lives.c (bb_has_abnormal_call_pred): New function.
3243         (process_bb_node_lives): Use it.
3244
3245         * ira.c (setup_cover_and_important_classes): Don't setup
3246         ira_important_class_nums.  Add cover classes to the end of
3247         important classes.
3248         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
3249         New.
3250         (find_reg_class_closure): Use reorder_important_classes.
3251
3252         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
3253
3254         * config/i386/i386.c (i386_ira_cover_classes): New function.
3255         (TARGET_IRA_COVER_CLASSES): Redefine.
3256
3257         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
3258         importance of order of cover classes in the array.
3259
3260 2009-07-22  Diego Novillo  <dnovillo@google.com>
3261
3262         * tree-pass.h (TDF_EH): Define.
3263         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
3264         contains TDF_EH, print the EH region number holding GS.
3265         * tree-dump.c (dump_options): Add "eh".
3266         * doc/invoke.texi: Document it.
3267
3268 2009-07-22  Doug Kwan  <dougkwan@google.com>
3269
3270         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
3271
3272 2009-07-22  Michael Matz  <matz@suse.de>
3273
3274         PR tree-optimization/35229
3275         PR tree-optimization/39300
3276
3277         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
3278         (inhibit_phi_insertion): New function.
3279         (insert_into_preds_of_block): Call it for REFERENCEs.
3280         (init_pre): Initialize and finalize scalar evolutions.
3281         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
3282
3283 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
3284
3285         * config/i386/predicates.md (zero_extended_scalar_load_operand):
3286         Use CONST_VECTOR_NUNITS to determine number of elements.
3287
3288 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
3289
3290         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
3291         (U, W): Constraints are now deprecated and will be removed if we
3292         run out of letters.
3293         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
3294         the file.
3295         ("prefetch"): Add the stcmh instruction for prefetching.
3296         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
3297         changes.
3298         (s390_short_displacement): Return always true if compiling for
3299         machines not providing the long displacement facility.
3300         (s390_mem_constraint): Support the new constraint letter Z.
3301         (s390_check_qrst_address): New function.
3302
3303 2009-07-21  DJ Delorie  <dj@redhat.com>
3304
3305         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
3306         alone too.
3307
3308 2009-07-21  Jason Merrill  <jason@redhat.com>
3309
3310         * c-common.c (max_tinst_depth): Increase default to 1024.
3311
3312 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
3313
3314         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
3315         (vec_unpacku_float_lo_v4si): Ditto.
3316
3317 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
3318
3319         PR target/40811
3320         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
3321         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
3322         (builtin_description): Add __builtin_ia32_cvtudq2ps.
3323         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
3324
3325 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
3326
3327         PR tree-optimization/40813
3328         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
3329         it.
3330
3331 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3332
3333         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
3334         with a NOP_EXPR if needed.
3335
3336 2009-07-21  Paul Brook <paul@codesourcery.com>
3337
3338         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
3339         Terminate debug dump with newline.
3340
3341 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3342
3343         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
3344         Cast "1" to unsigned HOST_WIDE_INT.
3345         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
3346         deposit length to the maximum length - lsb.  Extend length if
3347         HOST_BITS_PER_WIDE_INT is 32.
3348
3349 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
3350
3351         * cgraph.h (constant_pool_htab): New function.
3352         (constant_descriptor_tree): Move from varasm.c.
3353         * varasm.c (constant_pool_htab): New function.
3354         (constant_descriptor_tree): Move to cgraph.h.
3355
3356 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
3357
3358         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
3359
3360 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
3361
3362         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
3363         $(VARRAY_H).
3364
3365 2009-07-20  Xinliang David Li  <davidxl@google.com>
3366
3367         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
3368
3369 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
3370
3371         * config/mips/mips.md (move_type): Add arith.
3372         (type): Handle arith.
3373         (zero_extendsidi2): Rename this into ...
3374         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
3375         (zero_extendsidi2): New expander.
3376         (*zero_extendsidi2_dext): New pattern.
3377
3378 2009-07-20  Nick Clifton  <nickc@redhat.com>
3379
3380         * config.gcc (mips64-*-*): Add definition of tm_defines in order
3381         to set MIPS_ABI_DEFAULT.
3382         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
3383
3384 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
3385
3386         * tree-object-size.c (addr_object_size): Handle unions with
3387         array in it as last field of structs in __bos (, 1) as __bos (, 0).
3388
3389         PR tree-optimization/40792
3390         * tree.c (build_function_type_skip_args): Remove bogus assert.
3391
3392 2009-07-20  Jan Hubicka  <jh@suse.cz>
3393             Martin Jambor  <mjambor@suse.cz>
3394
3395         * cgraph.h (combined_args_to_skip): New field.
3396         * cgraph.c (cgraph_create_virtual_clone): Properly handle
3397         combined_args_to_skip and args_to_skip.
3398         * tree-inline.c (update_clone_info): New function.
3399         (tree_function_versioning): Call update_clone_info.
3400         * cgraphunit.c: (cgraph_materialize_clone): Dump materialized
3401         functions.
3402         (cgraph_materialize_all_clones): More extensive dumping, working
3403         with combined_args_to_skip rather than args_to_skip.
3404
3405 2009-07-20  Ira Rosen  <irar@il.ibm.com>
3406
3407         * tree-vectorizer.h (vectorizable_condition): Add parameters.
3408         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
3409         (get_initial_def_for_reduction): Likewise.
3410         (vectorizable_reduction): Skip the check of first operand in case
3411         of COND_EXPR. Add check that it is outer loop vectorization if
3412         nested cycle was detected. Call vectorizable_condition() for
3413         COND_EXPR. If reduction epilogue cannot be created do not fail for
3414         nested cycles (if it is not double reduction). Assert that there
3415         is only one type in the loop in case of COND_EXPR. Call
3416         vectorizable_condition() to vectorize COND_EXPR.
3417         * tree-vect-stmts.c (vectorizable_condition): Update comment.
3418         Add parameters. Allow nested cycles if called from
3419         vectorizable_reduction(). Use reduction vector variable if provided.
3420         (vect_analyze_stmt): Call vectorizable_reduction() before
3421         vectorizable_condition().
3422         (vect_transform_stmt): Update call to vectorizable_condition().
3423
3424 2009-07-20  Christian Bruel  <christian.bruel@st.com>
3425
3426         * config/sh/sh.opt (-mfmovd): Resurrect and document.
3427         * doc/invoke.texi (-mfmovd): Likewise.
3428         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
3429
3430 2009-07-20  Jan Hubicka  <jh@suse.cz>
3431
3432         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
3433         when handling SSA name.
3434
3435 2009-07-19  Jan Hubicka  <jh@suse.cz>
3436
3437         PR tree-optimization/40676
3438         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
3439         virtual PHIs in empty BBs.
3440
3441 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
3442
3443         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
3444         re-expanded the compound use gen_lowpart instead to convert to the
3445         desired mode.
3446
3447 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
3448
3449         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
3450         OUTER_CONST arguments.
3451         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
3452         the new wider mode will be masked off.
3453         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
3454
3455 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
3456
3457         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
3458         high-order bits are zero.
3459
3460 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
3461
3462         * combine.c (simplify_shift_const_1): Split code to determine
3463         shift_mode into ...
3464         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
3465         new bits shifted in are identical to the old sign bit.
3466
3467 2009-07-18  Richard Guenther  <rguenther@suse.de>
3468
3469         PR c/40787
3470         * gimplify.c (gimplify_call_expr): Reject code using results from
3471         functions returning void.
3472
3473 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
3474
3475         * doc/md.texi: Document the new PowerPC "es" constraint.
3476         Document that "m" can include automodified addresses on this target,
3477         and explain how %U must be used.  Extend the "Q" and "Z" documentation
3478         to suggest "es" as well as "m".
3479         * config/rs6000/constraints.md (es): New memory constraint.
3480         (Q, Z): Update strings to match new documentation.
3481
3482 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
3483
3484         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
3485         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
3486         * config/rs6000/predicates.md (volatile_mem_operand): Use
3487         offsettable_nonstrict_memref_p.
3488         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
3489         (*floatunssidf2_internal): Likewise.
3490         (*fix_truncdfsi2_internal): Likewise.
3491         (*fix_trunctfsi2_internal): Likewise.
3492
3493 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
3494
3495         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
3496         atmega32u2 devices.
3497         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3498
3499 2009-07-17  Richard Guenther  <rguenther@suse.de>
3500
3501         PR c/40401
3502         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
3503         (pass_warn_unused_result): Likewise.
3504         (TODO_set_props): Remove.
3505         * omp-low.c (diagnose_omp_structured_block_errors): Change to
3506         run as a pass.
3507         (pass_diagnose_omp_blocks): Define.
3508         * c-decl.c (pop_file_scope): Do not finalize the CU here.
3509         (c_gimple_diagnostics_recursively): Remove.
3510         (finish_function): Do not call it.
3511         (c_write_global_declarations): Continue after errors.
3512         Finalize the CU here.
3513         * c-gimplify.c (c_genericize): Do not gimplify here.
3514         * c-common.c (c_warn_unused_result): Move ...
3515         * tree-cfg.c (do_warn_unused_result): ... here.
3516         (run_warn_unused_result): New function.
3517         (gate_warn_unused_result): New function.
3518         (pass_warn_unused_result): New pass.
3519         * c-common.h (c_warn_unused_result): Remove.
3520         * flags.h (flag_warn_unused_result): Declare.
3521         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
3522         * opts.c (flag_warn_unused_result): Initialize to false.
3523         * toplev.c (compile_file): Add comment.
3524         * omp-low.c (create_omp_child_function): Do not register
3525         the function with the frontend.
3526         (diagnose_omp_structured_block_errors): Prepare to be
3527         called as optimization pass.
3528         (gate_diagnose_omp_blocks): New function.
3529         (pass_diagnose_omp_blocks): New pass.
3530         * cgraph.h (cgraph_optimize): Remove.
3531         (cgraph_analyze_function): Likewise.
3532         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
3533         * cgraphunit.c (cgraph_lower_function): Lower nested functions
3534         before their parents here.
3535         (cgraph_finalize_function): Not here.
3536         (cgraph_analyze_function): Gimplify functions here.
3537         (cgraph_finalize_compilation_unit): Continue after errors.
3538         Optimize the callgraph from here.
3539         (cgraph_optimize): Make static.
3540         * langhooks.c (write_global_declarations): Finalize the CU.
3541         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
3542         (gimplify_function_tree): Assert we gimplify only once.
3543         Set PROP_gimple_any property.
3544         * tree-nested.c (gimplify_all_functions): New function.
3545         (lower_nested_functions): Gimplify all nested functions.
3546         * gimple.h (diagnose_omp_structured_block_errors): Remove.
3547         * passes.c (init_optimization_passes): Add pass_warn_unused_result
3548         and pass_diagnose_omp_blocks after gimplification.  Do not
3549         set TODO_set_props on all_lowering_passes.
3550         (execute_one_pass): Do not handle TODO_set_props.
3551         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
3552         (gimplify.o): Add tree-pass.h dependency.
3553         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
3554         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
3555         (unsave_r): Likewise.
3556         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
3557         temporary variable.
3558
3559 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
3560
3561         * doc/service.texi (Service): Restore previously removed link,
3562         which isn't broken after all.
3563
3564 2009-07-17  Richard Guenther  <rguenther@suse.de>
3565
3566         PR tree-optimization/40321
3567         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
3568         PHI nodes to the maximal set.
3569         (make_values_for_phi): Add PHI arguments to the maximal set.
3570         (execute_pre): Dump PHI_GEN and the maximal set.
3571
3572 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
3573
3574         PR c++/40780
3575         * gimplify.c (gimplify_conversion): Don't change non-conversions into
3576         VIEW_CONVERT_EXPR.
3577
3578 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
3579
3580         * doc/extend.texi (Nested Functions): Replace broken link with
3581         textual reference.
3582         * doc/service.texi (Service): Remove broken link.
3583
3584 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
3585
3586         PR bootstrap/40781
3587         * builtins.c (expand_builtin_memcmp): Use loc instead of
3588         EXPR_LOCATION (exp).
3589         (expand_builtin_strncmp): Likewise.
3590
3591 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
3592             Manuel López-Ibáñez  <manu@gcc.gnu.org>
3593
3594         PR 40435
3595         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
3596         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
3597         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
3598         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
3599         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
3600         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
3601         tree-inline.c, c-common.c, c-common.h, gimple.c,
3602         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
3603         convert.c: Add location argument to fold_{unary,binary,ternary},
3604         fold_build[123], build_call_expr, build_size_arg,
3605         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
3606         fold_build1_initializer, fold_build2_initializer,
3607         fold_build3_initializer, fold_build_call_array,
3608         fold_build_call_array_initializer, fold_single_bit_test,
3609         omit_one_operand, omit_two_operands, invert_truthvalue,
3610         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
3611         combine_comparisons, fold_builtin_*, fold_call_expr,
3612         build_range_check, maybe_fold_offset_to_address, round_up,
3613         round_down.
3614
3615 2009-07-16  Jason Merrill  <jason@redhat.com>
3616
3617         PR libstdc++/37907
3618         * c-common.c (c_common_reswords): Add __is_standard_layout
3619         and __is_trivial.
3620         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
3621         * doc/implement-cxx.texi: New.
3622         * doc/gcc.texi: Include it.
3623
3624 2009-07-16  DJ Delorie  <dj@redhat.com>
3625
3626         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
3627         compares that may be indirectly affected by previous instructions.
3628
3629 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3630
3631         * builtins.c (do_mpc_arg2): New.
3632         (fold_builtin_2): Fold builtin cpow.
3633         * real.h (HAVE_mpc_pow): New.
3634
3635 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
3636
3637         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
3638         comparison to skip unprofitable schedule
3639
3640 2009-07-16  Simon Baldwin  <simonb@google.com>
3641
3642         * gcc.c (option_map): New flag -no-canonical-prefixes.
3643         * (display_help): Print help text for new flag.
3644         * (process_command): Move options translation and language specifics
3645         and handle new flag early.  Use it to set a function pointer to a
3646         prefix builder.  Replace make_relative_prefix calls with calls to
3647         the function pointed to.  Ignore new flag in regular options handling.
3648         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
3649
3650 2009-07-15  DJ Delorie  <dj@redhat.com>
3651
3652         * config/mep/mep.md (sibcall_internal): Change register to avoid
3653         argument registers.
3654         (sibcall_value_internal): Likewise.
3655
3656 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
3657
3658         PR rtl-optimization/40710
3659         * resource.c (mark_target_live_regs): Reset DF problem to LR.
3660
3661 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
3662
3663         * config/mips/mips.md (*extenddi_truncate<mode>,
3664         *extendsi_truncate<mode>): Change type attribute to move_type
3665         with shift_shift.  Split out code handling exts from here ...
3666         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
3667         pattern.
3668         (*extendhi_truncateqi): Change type attribute to move_type with
3669         shift_shift.  Split out code handling exts from here ...
3670         (*extendhi_truncateqi_exts): ... to this new pattern.
3671
3672 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
3673
3674         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
3675         instead of "and" with inverted sign bit mask value.  Use
3676         "nonimmediate_operand" for operand 1 and operand 2 predicate.
3677         Allocate registers only for operand 4 and operand 5.
3678
3679 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
3680
3681         PR middle-end/40747
3682         * fold-const.c (fold_cond_expr_with_comparison): When folding
3683         < and <= to MIN, make sure the MIN uses the same type as the
3684         comparison's operands.
3685
3686 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
3687
3688         * arm.md (ior_xor): New code iterator.
3689         (split for ior/xor with shift and zero-extend): New split pattern.
3690         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
3691
3692 2009-07-15  Richard Guenther  <rguenther@suse.de>
3693
3694         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
3695         offset member.
3696
3697 2009-07-15  Richard Guenther  <rguenther@suse.de>
3698
3699         PR middle-end/40753
3700         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
3701
3702 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
3703
3704         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
3705         handle 2.6.30 kernel.
3706
3707 2009-07-15  DJ Delorie  <dj@redhat.com>
3708
3709         * config/mep/mep.md (sibcall_internal): Change register to allow
3710         for 24-bit addresses.
3711         (sibcall_value_internal): Likewise.
3712
3713 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
3714
3715         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
3716         that are enabled/disabled by the flags introduced by a previous patch.
3717
3718 2009-07-14  DJ Delorie  <dj@redhat.com>
3719
3720         * config/mep/mep.md (sibcall_internal): Include non-toggling
3721         non-jmp case.
3722         (sibcall_value_internal): Likewise.
3723
3724 2009-07-14  Taras Glek  <tglek@mozilla.com>
3725             Rafael Espindola  <espindola@google.com>
3726
3727         * doc/sourcebuild.texi: Document install-plugin target.
3728         * configure.ac: Added install-plugin target to language makefiles.
3729         * configure: Regenerate.
3730         * Makefile.in: (install-plugin): Install more headers,
3731         depend on lang.install-plugin.
3732
3733 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3734
3735         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
3736         translation.
3737
3738 2009-07-14  DJ Delorie  <dj@redhat.com>
3739
3740         * config/mep/mep.c (mep_vliw_jmp_match): New function.
3741         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
3742         * config/mep/mep.md (sibcall_internal): Change test from
3743         mep_vliw_mode_match to mep_vliw_jmp_match.
3744         (sibcall_value_internal): Likewise.
3745
3746 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
3747
3748         * config/i386/sse.md (copysign<mode>3): New expander.
3749         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
3750         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
3751         Use ix86_build_const_vector.
3752         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
3753         IX86_BUILTIN_CPYSGNPD.
3754         (builtin_description): Add __builtin_ia32_copysignps and
3755         __builtin_ia32_copysignpd.
3756         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
3757         and BUILT_IN_COPYSIGNF.
3758
3759 2009-07-13  Jason Merrill  <jason@redhat.com>
3760
3761         * builtins.c (can_trust_pointer_alignment): New fn.
3762         (get_pointer_alignment): Factor it out from here.
3763         * tree.h: Declare it.
3764
3765 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
3766
3767         * config/rs6000/predicates.md (offsettable_mem_operand): Test
3768         RTX_AUTOINC class.
3769
3770 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
3771
3772         PR debug/40705
3773         PR c++/403057
3774         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
3775
3776 2009-07-14  Richard Guenther  <rguenther@suse.de>
3777             Andrey Belevantsev <abel@ispras.ru>
3778
3779         PR middle-end/40745
3780         * cfgexpand.c (partition_stack_vars): Do not bother to update
3781         alias information when not optimizing.
3782
3783 2009-07-14  Richard Guenther  <rguenther@suse.de>
3784             Andrey Belevantsev <abel@ispras.ru>
3785
3786         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
3787         (pt_solution_set): Likewise.
3788         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
3789         * tree-ssa-structalias.c (pt_solution_set): New function.
3790         * final.c (rest_of_clean_state): Free SSA data structures.
3791         * print-rtl.c (print_decl_name): Remove.
3792         (print_mem_expr): Implement in terms of print_generic_expr.
3793         * alias.c (ao_ref_from_mem): New function.
3794         (rtx_refs_may_alias_p): Likewise.
3795         (true_dependence): Query alias-export info.
3796         (canon_true_dependence): Likewise.
3797         (write_dependence_p): Likewise.
3798         * tree-dfa.c (get_ref_base_and_extent): For void types leave
3799         size unknown.
3800         * emit-rtl.c (component_ref_for_mem_expr): Remove.
3801         (mem_expr_equal_p): Use operand_equal_p.
3802         (set_mem_attributes_minus_bitpos): Do not use
3803         component_ref_for_mem_expr.
3804         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
3805         (update_alias_info_with_stack_vars): Likewise.
3806         (partition_stack_vars): Call update_alias_info_with_stack_vars.
3807         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
3808         explicitly nor clear stmt operands.
3809         Free the decl-to-pointer map.
3810         * tree-optimize.c (execute_free_datastructures): Do not free
3811         SSA data structures here.
3812         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
3813         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
3814         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
3815         dependencies.
3816         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
3817
3818 2009-07-13  DJ Delorie  <dj@redhat.com>
3819
3820         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
3821         unrolling at the right iteration count.
3822
3823         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
3824         calculations.
3825
3826 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
3827
3828         * haifa-sched.c (rank_for_schedule): Introduced flags to
3829         enable/disable individual scheduling heuristics.
3830         * common.opt: Introduced flags to enable/disable individual
3831         heuristics in the scheduler.
3832         * doc/invoke.texi: Introduced flags to enable/disable individual
3833         heuristics in the scheduler.
3834
3835 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
3836
3837         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
3838         config/i386/mingw-tls.c.
3839         * config/i386/mingw-tls.c: Removed.
3840
3841 2009-07-13  Ira Rosen  <irar@il.ibm.com>
3842
3843         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
3844         checks access only relevant statements.
3845         (vectorizable_reduction): Likewise.
3846
3847 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
3848
3849         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
3850         just for 32-bit case.
3851
3852 2009-07-12  Jan Hubicka  <jh@suse.cz>
3853
3854         PR tree-optimization/40585
3855         * except.c (expand_resx_expr): When there already is resume
3856         instruction, produce linked list.
3857         (build_post_landing_pads): Assert that resume is empty.
3858         (connect_post_landing_pads): Handle resume lists.
3859         (dump_eh_tree): Dump resume list.
3860
3861 2009-07-12  Ira Rosen  <irar@il.ibm.com>
3862
3863         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
3864         with additional argument.
3865         * tree-vectorizer.h (enum vect_def_type): Add
3866         vect_double_reduction_def.
3867         (vect_is_simple_reduction): Add argument.
3868         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
3869         indentation.
3870         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
3871         vect_is_simple_reduction with additional argument.
3872         (vect_analyze_loop_operations): Handle exit phi nodes in case of
3873         double reduction.
3874         (reduction_code_for_scalar_code): Handle additional codes by
3875         returning ERROR_MARK for them. Fix comment and indentation.
3876         (vect_is_simple_reduction): Fix comment, add argument to specify
3877         double reduction. Detect double reduction.
3878         (get_initial_def_for_induction): Fix indentation.
3879         (get_initial_def_for_reduction): Fix comment and indentation.
3880         Handle double reduction. Create initial definitions that do not
3881         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
3882         (vect_create_epilog_for_reduction): Fix comment, add argument to
3883         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
3884         epilogue result extraction. Create double reduction phi node and
3885         replace relevant uses.
3886         (vectorizable_reduction): Call vect_is_simple_reduction with
3887         additional argument. Fix indentation. Update epilogue code treatment
3888         according to the changes in reduction_code_for_scalar_code. Check
3889         for double reduction. Call vect_create_epilog_for_reduction with
3890         additional argument.
3891         * tree-vect-stmts.c (process_use): Handle double reduction, update
3892         documentation.
3893         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
3894         (vect_get_vec_def_for_operand): Likewise.
3895
3896 2009-07-12  Danny Smith  <dansmister@gmail.com>
3897
3898         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
3899         dllexport if !TREE_PUBLIC.
3900         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
3901
3902 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
3903
3904         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
3905         (avr_extra_arch_macro) Remove declatation.
3906         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
3907         (avr_extra_arch_macro) Declare as static.
3908         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
3909
3910 2009-07-11  Jan Hubicka  <jh@suse.cz>
3911
3912         PR middle-end/48388
3913         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
3914
3915 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
3916
3917         PR debug/40713
3918         * dwarf2out.c (dw_fde_struct): Add in_std_section and
3919         cold_in_std_section bits.
3920         (dwarf2out_begin_prologue): Initialize them.
3921         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
3922         if already covered by text_section or cold_text_section range.
3923
3924         PR rtl-optimization/40667
3925         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
3926         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
3927         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
3928         * config/i386/i386.c (ix86_minimum_alignment): New function.
3929         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
3930         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
3931         * emit-rtl.c (gen_reg_rtx): Likewise.
3932         * function.c (assign_parms): Likewise.  If nominal_type needs
3933         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
3934         rather than passed_type's alignment.
3935
3936         PR target/40668
3937         * function.c (assign_parm_setup_stack): Adjust
3938         MEM_OFFSET (data->stack_parm) if promoted_mode is different
3939         from nominal_mode on big endian.
3940
3941 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
3942
3943         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
3944
3945 2009-07-10  DJ Delorie  <dj@redhat.com>
3946
3947         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
3948
3949 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
3950
3951         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
3952         attribute.
3953         (thumb2_cbnz): Likewise.
3954
3955 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
3956
3957         PR target/39079
3958         * config.gcc (supported_defaults): Add synci.
3959         (with_synci): Add validation.
3960         (all_defaults): Add synci.
3961         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
3962         ISA_HAS_SYNCI.
3963         (synci): Same.
3964         * config/mips/mips.opt (msynci): New option.
3965         * config/mips/mips.c (mips_override_options): Warn on use of
3966         -msynci for targets that do now support it.
3967         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
3968         msynci.
3969         * gcc/doc/invoke.texi (-msynci): Document the new option.
3970         * doc/install.texi (--with-synci): Document the new option.
3971
3972 2009-07-10  Richard Guenther  <rguenther@suse.de>
3973
3974         PR tree-optimization/40496
3975         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
3976         the PHI result with a compatible type.
3977
3978 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3979
3980         PR 25509
3981         PR 40614
3982         * c.opt (Wunused-result): New.
3983         * doc/invoke.texi: Document it.
3984         * c-common.c (c_warn_unused_result): Use it.
3985
3986 2009-07-09  DJ Delorie  <dj@redhat.com>
3987
3988         * targhooks.c (default_target_can_inline_p): Rename from
3989         default_target_option_can_inline_p.
3990         * targhooks.h (default_target_can_inline_p): Likewise.
3991         * target-def.h (TARGET_CAN_INLINE_P): Rename from
3992         TARGET_OPTION_CAN_INLINE_P.
3993         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
3994         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
3995         (mep_target_can_inline_p): Rename from
3996         mep_target_option_can_inline_p.
3997
3998         PR target/40626
3999         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
4000         registers used to pass vectors.
4001
4002         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
4003
4004 2009-07-09  Tom Tromey  <tromey@redhat.com>
4005
4006         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
4007         * config/mmix/mmix.c: Include dwarf2.h.
4008         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
4009         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
4010         * config/sh/sh.c: Include dwarf2.h.
4011         * config/i386/i386.c: Include dwarf2.h.
4012         * Makefile.in (DWARF2_H): Remove 'elf'.
4013         * except.c: Include dwarf2.h.
4014         * unwind-dw2.c: Include dwarf2.h.
4015         * dwarf2out.c: Include dwarf2.h.
4016         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
4017         * unwind-dw2-fde.c: Include dwarf2.h.
4018         * dwarf2asm.c: Include dwarf2.h.
4019
4020 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
4021
4022         * haifa-sched.c (insn_finishes_cycle_p): New static function.
4023         (max_issue): Use it.
4024         * sched-int.h (struct sched_info: insn_finishes_block_p): New
4025         scheduler hook.
4026         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
4027         (region_sched_info): Update.
4028         * sched-ebb.c (ebb_sched_info): Update.
4029         * modulo-sched.c (sms_sched_info): Update.
4030         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
4031
4032 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
4033
4034         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
4035
4036 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
4037
4038         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
4039
4040 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
4041
4042         PR middle-end/40692
4043         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
4044         arg1 with arg01 if arg1 is already INTEGER_CST.
4045
4046 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
4047
4048         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
4049         Transform (and (truncate)) into (truncate (and)).
4050
4051 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
4052
4053         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
4054         creating LHS paradoxical subregs.  Fix surrounding returns to
4055         use NULL_RTX rather than 0.
4056
4057 2009-07-08  DJ Delorie  <dj@redhat.com>
4058
4059         * config/mep/mep.c: (mep_option_can_inline_p): New.
4060         (TARGET_OPTION_CAN_INLINE_P): Define.
4061
4062 2009-07-08  Mark Wielaard  <mjw@redhat.com>
4063
4064         PR debug/40659
4065         * dwarf2out.c (add_data_member_location_attribute): When we have
4066         only a constant offset don't emit a new location description using
4067         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
4068         dwarf_version > 2.
4069
4070 2009-07-08  Richard Henderson  <rth@redhat.com>
4071
4072         PR target/38900
4073         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
4074         (enum reg_class): Add CLOBBERED_REGS.
4075         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
4076         * config/i386/i386.c (ix86_conditional_register_usage): Moved
4077         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
4078         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
4079         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
4080         force 64-bit sibcalls into R11.
4081         * config/i386/constraints.md (U): New constraint.
4082         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
4083         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
4084         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
4085
4086 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
4087
4088         * basic-block.h (dump_regset, debug_regset): Remove duplicate
4089         prototypes.
4090         * c-objc-common.h (c_initialize_diagnostics): Ditto.
4091         * ebitmap.h (dump_ebitmap): Ditto.
4092         * optabs.h (optab_libfunc): Ditto.
4093         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
4094         * tree-flow.h (vect_can_force_dr_alignment_p,
4095         get_vectype_for_scalar_type): Ditto.
4096         (vectorize_loops): Move prototype to ...
4097         * tree-vectorizer.h: ... here. Also, adjust comment.
4098         (vect_set_verbosity_level): Remove duplicate prototype.
4099         * tree-ssa-loop.c: Include tree-vectorizer.h.
4100         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
4101
4102 2009-07-08  Nick Clifton  <nickc@redhat.com>
4103
4104         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
4105         forward slash.
4106
4107 2009-07-08  DJ Delorie  <dj@redhat.com>
4108
4109         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
4110         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
4111         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
4112         written to.
4113         * config/mep/intrinsics.md: Regenerated.
4114         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
4115         registers when asm() or calls are detected.
4116
4117 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4118
4119         PR c++/31246
4120         * gimplify.c (gimplify_expr): Propagate no_warning flag when
4121         gimplifying.
4122         * gimple (gimple_build_call_from_tree): Likewise.
4123         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
4124         no_warning flag before warning.
4125
4126 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4127
4128         * tree.c (set_expr_locus): Remove.
4129         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
4130         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
4131         EXPR_LOCATION.
4132         * gimplify.c (internal_get_tmp_var): Likewise.
4133         (gimplify_call_expr): Likewise.
4134         (gimplify_one_sizepos): Likewise.
4135
4136 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
4137
4138         PR debug/40666
4139         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
4140         to variables for debugging purposes.
4141
4142 2009-06-23  Mark Loeser  <mark@halcy0n.com>
4143
4144         PR build/40010
4145         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
4146
4147 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4148
4149         * pretty-print.c (pp_base_format): Remove %J.
4150         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
4151         gcc_cxxdiag_char_table): Likewise.
4152         (init_dynamic_diag_info): Likewise.
4153
4154 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4155
4156         * pretty-print.c (pp_base_format): Remove %H.
4157         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
4158         gcc_cxxdiag_char_table): Likewise.
4159         (init_dynamic_diag_info): Likewise.
4160         * config/mep/mep.c (mep_select_section): Likewise.
4161
4162 2009-07-07  Duncan Sands  <baldrick@free.fr>
4163
4164         * final.c (pass_clean_state): Give the pass a name.
4165         * passes.c (pass_rest_of_compilation): Likewise.
4166         * tree-optimize.c (pass_all_optimizations): Likewise.
4167
4168 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
4169
4170         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
4171         an extra 'decl' for error_at.
4172
4173 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
4174
4175         PR middle-end/40669
4176         * tree-tailcall.c (adjust_return_value_with_ops,
4177         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
4178         if it has complex or vector type.
4179
4180 2009-07-07  Olivier Hainque  <hainque@adacore.com>
4181
4182         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
4183         pthread symbols.
4184
4185 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
4186
4187         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
4188
4189 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4190
4191         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
4192         * c-decl.c: Likewise.
4193         * function.c: Likewise.
4194         * varasm.c: Likewise.
4195         * tree-ssa.c: Likewise.
4196         * c-common.c: Likewise.
4197         * tree-cfg.c: Likewise.
4198         * config/spu/spu.c: Likewise.
4199         * config/ia64/ia64.c: Likewise.
4200         * config/v850/v850.c: Likewise.
4201
4202 2009-07-06  DJ Delorie  <dj@redhat.com>
4203
4204         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
4205         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
4206         unspecified accesses to control registers.
4207         * config/mep/intrinsics.md: Regenerate.
4208         * config/mep/intrinsics.h: Regenerate.
4209         * config/mep/mep-intrin.h: Regenerate.
4210
4211 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4212
4213         * c-lex.c: Replace %H by an explicit location. Update all calls.
4214         * c-common.c: Likewise.
4215         * c-decl.c: Likewise.
4216         * c-typeck.c: Likewise.
4217         * fold-const.c: Likewise.
4218         * gimplify.c: Likewise.
4219         * stmt.c: Likewise.
4220         * tree-cfg.c: Likewise.
4221         * tree-ssa-loop-niter.c: Likewise.
4222         * tree-vrp.c: Likewise.
4223         * value-prof.c: Likewise.
4224
4225 2009-07-06  Diego Novillo  <dnovillo@google.com>
4226
4227         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
4228         if it has one.  Handle cases where VAR does not have an
4229         annotation or cfun is NULL.
4230
4231 2009-07-06  Diego Novillo  <dnovillo@google.com>
4232
4233         * tree.c: Include debug.h.
4234         (initialize_tree_contains_struct): New.
4235         (init_ttree): Call it.
4236         (tree_node_structure_for_code): Factor out of ...
4237         (tree_node_structure): ... here.
4238         * treestruct.def (TS_PHI_NODE): Remove.
4239         (TS_GIMPLE_STATEMENT): Remove.
4240
4241 2009-07-06  Diego Novillo  <dnovillo@google.com>
4242
4243         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
4244         (debug_tree_chain): Handle cycles.
4245
4246 2009-07-06  Nick Clifton  <nickc@redhat.com>
4247             DJ Delorie  <dj@redhat.com>
4248
4249         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
4250         __FMOVD_ENABLED__ is defined.
4251         * config/sh/sh.h
4252         (TARGET_FMOVD): Provide a default definition.
4253         (MASK_FMOVD): Likewise.
4254         (TARGET_CPU_CPP_BUILTINS): Define
4255         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
4256         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
4257         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
4258         (split for DF load from memory into register): Also handle
4259         MEMs which consist of REG+DISP addressing.
4260         (split for DF store from register to memory): Likewise.
4261         (movsf_ie): Always use single fp_mode.
4262         * config/sh/sh.c (sh_override_options): Do not automatically
4263         enable TARGET_MOVD for the SH2A when supporting doubles - leave
4264         that to the -mfmovd command line switch.
4265         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
4266         (fldi_ok): Always allow.
4267         * config/sh/sh.opt (mfmovd): Remove this switch.
4268         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
4269
4270 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
4271             Kaz Kojima  <kkojima@gcc.gnu.org>
4272
4273         PR rtl-optimization/30807
4274         * postreload.c (reload_combine): For every new use of REG_SUM,
4275         record the use of BASE.
4276
4277 2009-07-06  Jan Hubicka  <jh@suse.cz>
4278
4279         * params.def: Revert my accidental commit at 2009-06-30.
4280
4281 2009-07-04  Ian Lance Taylor  <iant@google.com>
4282
4283         PR target/40636
4284         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
4285         EXPORTED_CONST.
4286         (mingw_format_attribute_overrides): Likewise.
4287
4288 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
4289
4290         PR debug/40596
4291         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
4292         don't check cfa.reg.  Instead of cfa.indirect use
4293         fde && fde->drap_reg != INVALID_REGNUM test.
4294
4295 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
4296
4297         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
4298
4299 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
4300
4301         PR target/40587
4302         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
4303
4304 2009-07-03  Richard Guenther  <rguenther@suse.de>
4305
4306         PR tree-optimization/40640
4307         * tree-switch-conversion.c (build_arrays): Perform arithmetic
4308         in original type.
4309
4310 2009-07-03  Jan Hubicka  <jh@suse.cz>
4311
4312         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
4313         for size, reduce amount of inlining.
4314
4315 2009-07-03  Richard Guenther  <rguenther@suse.de>
4316
4317         PR middle-end/34163
4318         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
4319         if t +- x is known to not overflow and the conversion widens the
4320         operation.
4321         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
4322
4323 2009-07-03  Jan Hubicka  <jh@suse.cz>
4324
4325         * ipa-pure-const.c (analyze): Update loop optimizer init.
4326         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
4327         try_remove_empty_loop, remove_empty_loops): Remove.
4328         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
4329         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
4330         to mark regular loops as neccesary.
4331         (degenerate_phi_p): New function.
4332         (propagate_necessity, remove_dead_phis): Use it.
4333         (forward_edge_to_pdom): Likewise.
4334         (eliminate_unnecessary_stmts): Take care to remove uses of results of
4335         virtual PHI nodes that became unreachable.
4336         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
4337         * tree-flow.h (remove_empty_loops): Remove.
4338         * passes.c (init_optimization_passes): Remove.
4339
4340 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
4341
4342         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
4343         can_create_pseudo_p.
4344         (*fix_trunc<mode>_i387_1): Ditto.
4345         (*floathi<mode>2_1): Ditto.
4346         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
4347         (*fistdi2_1): Ditto.
4348         (*fist<mode>2_1): Ditto.
4349         (frndintxf2_floor): Ditto.
4350         (*fist<mode>2_floor_1): Ditto.
4351         (frndintxf2_ceil): Ditto.
4352         (*fist<mode>2_ceil_1): Ditto.
4353         (frndintxf2_trunc): Ditto.
4354         (frndintxf2_mask_pm): Ditto.
4355         (fxam<mode>2_i387_with_temp): Ditto.
4356         * config/i386/sse.md (mulv16qi3): Ditto.
4357         (*sse2_mulv4si3): Ditto.
4358         (mulv2di3): Ditto.
4359         (sse4_2_pcmpestr): Ditto.
4360         (sse4_2_pcmpistr): Ditto.
4361
4362 2009-07-03  Jan Hubicka  <jh@suse.cz>
4363
4364         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
4365         (mark_stmt_necessary): Set it.
4366         (mark_operand_necessary): Set it.
4367         (mark_control_dependent_edges_necessary): Set it.
4368         (mark_virtual_phi_result_for_renaming): New function.
4369         (get_live_post_dom): New function.
4370         (forward_edge_to_pdom): New function.
4371         (remove_dead_stmt): Fix handling of control dependences.
4372         (tree_dce_init): Init new bitmap.
4373         (tree_dce_done): Free it.
4374
4375 2009-07-02  Richard Guenther  <rguenther@suse.de>
4376
4377         PR bootstrap/40617
4378         * tree-ssa-structalias.c (new_var_info): Initialize
4379         is_restrict_var.
4380
4381 2009-07-02  Jan Hubicka  <jh@suse.cz>
4382
4383         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
4384         local.
4385
4386 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
4387
4388         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
4389         instead of recomputing it.  Adjust calls.
4390         (emit_store_flag): Adjust recursive calls.
4391
4392 2009-07-02  Richard Guenther  <rguenther@suse.de>
4393
4394         * tree-ssa-live.c (remove_unused_locals): Do not remove
4395         heap variables.
4396         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
4397         of DECL_EXTERNAL for HEAP variables.
4398         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
4399         HEAP variables.  Do not adjust RESTRICT vars.
4400         (find_what_var_points_to): Nobody cares if something
4401         points to READONLY.
4402
4403 2009-07-02  Ben Elliston  <bje@au.ibm.com>
4404
4405         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
4406         pc_low and pc_high declarations to the top of the function.
4407
4408 2009-07-01  DJ Delorie  <dj@redhat.com>
4409
4410         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
4411         registers as fixed.
4412         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
4413         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
4414         unspecified accesses to control registers.
4415         * config/mep/intrinsics.md: Regenerate.
4416         * config/mep/intrinsics.h: Regenerate.
4417         * config/mep/mep-intrin.h: Regenerate.
4418
4419 2009-07-01  Anthony Green  <green@moxielogic.com>
4420
4421         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
4422         instruction when possible.
4423         (moxie_expand_prologue): Ditto.  Also, save an instruction and
4424         some complexity by popping off of $r12 instead of $sp.
4425         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
4426         operands.
4427
4428 2009-07-01  Richard Henderson  <rth@redhat.com>
4429
4430         PR bootstrap/40347
4431         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
4432         contained no insns, reposition note before last insn.
4433
4434 2009-07-01  Richard Henderson  <rth@redhat.com>
4435
4436         PR debug/40431
4437         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
4438         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
4439
4440 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
4441
4442         PR bootstrap/40558
4443         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
4444         darwin9 for printing reg addresses with %y.
4445
4446 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
4447
4448         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
4449         truncation from operands in binary operations.
4450
4451 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
4452
4453         Revert:
4454         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
4455         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
4456         subreg of op0 to the original op0.
4457
4458         * expmed.c (store_bit_field_1): Use a temporary as the destination
4459         instead of a paradoxical subreg when we need to truncate the result.
4460
4461 2009-07-01  DJ Delorie  <dj@redhat.com>
4462
4463         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
4464         names to VLIW variants.
4465         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
4466         * config/mep/intrinsics.md: Regenerate.
4467         * config/mep/intrinsics.h: Regenerate.
4468         * config/mep/mep-intrin.h: Regenerate.
4469
4470 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
4471
4472         PR debug/40462
4473         * jump.c (returnjump_p): Revert last patch.
4474         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
4475
4476 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4477
4478         PR target/40575
4479         * pa.md (casesi32p): Use jump table label to determine the offset
4480         of the jump table.
4481         (casesi64p): Likewise.
4482
4483         * pa.c (forward_branch_p): Return bool type.  Use instruction
4484         addresses when available.  Assert that INSN has a jump label.
4485         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
4486         have a jump label.
4487
4488 2009-07-01  Richard Guenther  <rguenther@suse.de>
4489
4490         PR tree-optimization/19831
4491         * tree-ssa-dce.c (propagate_necessity): Calls to functions
4492         that only act as barriers do not make any previous stores necessary.
4493         * tree-ssa-structalias.c (handle_lhs_call): Delay making
4494         HEAP variables global, do not add a constraint from nonlocal.
4495         (find_func_aliases): Handle escapes through return statements.
4496         (compute_points_to_sets): Make escaped HEAP variables global.
4497
4498 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
4499
4500         PR bootstrap/40597
4501         * expmed.c (emit_store_flag): Perform a conversion if necessary,
4502         after reducing a DImode cstore to SImode.
4503
4504 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
4505
4506         * expr.c (expand_expr_real_1): Reinstate fallthrough to
4507         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
4508
4509 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
4510
4511         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
4512         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
4513         to 0.
4514         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
4515         and umod_optab if TARGET_BSD_DIVMOD.
4516         * config/vax/lib1funcs.asm: New file.
4517         * config/vax/t-linux: New file.
4518         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
4519
4520 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
4521
4522         PR c++/40566
4523         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
4524         to type arguments that have void type.
4525
4526         PR debug/40573
4527         * dwarf2out.c (gen_formal_parameter_die): Call
4528         equate_decl_number_to_die if node is different from origin.
4529
4530 2009-06-30  Anthony Green  <green@moxielogic.com>
4531
4532         Clean up moxie port for --enable-build-with-cxx.
4533         * config/moxie/moxie.c (moxie_function_value): First two
4534         parameters are const_tree, not tree.
4535         * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
4536         (REG_CLASS_NAMES): Ditto.
4537         (REGNO_REG_CLASS): Ditto.
4538         * config/moxie/moxie-protos.h (moxie_override_options): Declare.
4539         (moxie_function_value): Fix constyness of arguments.
4540
4541 2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>
4542
4543         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4544         finalize_size_functions before further processing.
4545         * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
4546         (variable_size): Call self_referential_size on size expressions
4547         that contain a PLACEHOLDER_EXPR.
4548         (size_functions): New static variable.
4549         (copy_self_referential_tree_r): New static function.
4550         (self_referential_size): Likewise.
4551         (finalize_size_functions): New global function.
4552         * tree.c: Include tree-inline.h.
4553         (push_without_duplicates): New static function.
4554         (find_placeholder_in_expr): New global function.
4555         (substitute_in_expr) <tcc_declaration>: Return the replacement object
4556         on equality.
4557         <tcc_expression>: Likewise.
4558         <tcc_vl_exp>: If the replacement object is a constant, try to inline
4559         the call in the expression.
4560         * tree.h (finalize_size_functions): Declare.
4561         (find_placeholder_in_expr): Likewise.
4562         (FIND_PLACEHOLDER_IN_EXPR): New macro.
4563         (substitute_placeholder_in_expr): Update comment.
4564         * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
4565         is true.
4566         (copy_tree_body_r): Likewise.
4567         (copy_tree_body): New static function.
4568         (maybe_inline_call_in_expr): New global function.
4569         * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
4570         (maybe_inline_call_in_expr): Declare.
4571         * Makefile.in (tree.o): Depend on TREE_INLINE_H.
4572         (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
4573         GIMPLE_H.
4574
4575 2009-06-30  Richard Guenther  <rguenther@suse.de>
4576
4577         * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
4578         continue walking.
4579         (propagate_necessity): Do not mark reaching defs of stores
4580         as necessary.
4581
4582 2009-06-30  Jan Hubicka  <jh@suse.cz>
4583
4584         * cfgloopanal.c (check_irred): Move into ...
4585         (mark_irreducible_loops): ... here; return true if ireducible
4586         loops was found.
4587         * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
4588         (analyze_function): Try to prove loop finiteness.
4589         * cfgloop.h (mark_irreducible_loops): Update prototype.
4590         * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.
4591
4592 2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>
4593
4594         * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.
4595
4596 2009-06-30  Ira Rosen  <irar@il.ibm.com>
4597
4598         PR tree-optimization/40542
4599         * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile
4600         types.
4601
4602 2009-06-30  Martin Jambor  <mjambor@suse.cz>
4603
4604         PR tree-optimization/40582
4605         * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
4606         than useless_type_conversion_p.
4607         (generate_subtree_copies): Increment sra_stats.subtree_copies at a
4608         proper place.
4609
4610 2009-06-30  Martin Jambor  <mjambor@suse.cz>
4611
4612         PR middle-end/40554
4613         * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.
4614
4615 2009-06-30  Richard Guenther  <rguenther@suse.de>
4616
4617         * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
4618         use ao_ref references.
4619         (walk_aliased_vdefs): Likewise.
4620         * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
4621         * tree-ssa-dce.c (struct ref_data): Remove.
4622         (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
4623         (mark_aliased_reaching_defs_necessary): Adjust.
4624         (mark_all_reaching_defs_necessary_1): Likewise.
4625
4626 2009-06-30  Paolo Bonzini  <bonzini@gnu.org>
4627
4628         PR boostrap/40597
4629         * expmed.c (emit_cstore): New name of emit_store_flag_1.
4630         (emit_store_flag_1): Extract from emit_store_flag, adjust
4631         calls to (what now is) emit_cstore.
4632         (emit_store_flag): Call emit_store_flag_1 and also use it
4633         for what used to be recursive calls.
4634
4635 2009-06-30  Wei Guozhi  <carrot@google.com>
4636
4637         PR/40416
4638         * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
4639         if the target bb post dominates from bb.
4640         * config/i386/i386.c (memory_address_length): Check existence of base
4641         register before using it.
4642
4643 2009-06-30  Nick Clifton  <nickc@redhat.com>
4644             DJ Delorie  <dj@redhat.com>
4645
4646         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
4647         __FMOVD_ENABLED__ is defined.
4648         * config/sh/sh.h
4649         (TARGET_FMOVD): Provide a default definition.
4650         (MASK_FMOVD): Likewise.
4651         (TARGET_CPU_CPP_BUILTINS): Define
4652         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
4653         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
4654         two fmov instructions depending upon whether TARGET_FMOVD is
4655         enabled.
4656         (split for DF load from memory into register): Also handle
4657         MEMs which consist of REG+DISP addressing.
4658         (split for DF store from register to memory): Likewise.
4659         * config/sh/sh.opt (mfmovd): Remove this switch.
4660         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
4661         * config/sh/sh.c (sh_override_options): Do not automatically
4662         enable TARGET_MOVD for the SH2A when supporting doubles - leave
4663         that to the -mfmovd command line switch.
4664
4665         * config/sh/sh.c (broken_move): Do not restrict fldi test to only
4666         the SH4 and SH4A.
4667         (fldi_ok): Always allow.
4668         * config/sh/sh.md (movsf_ie): Always use single fp_mode.
4669
4670 2009-06-29  DJ Delorie  <dj@redhat.com>
4671
4672         * doc/install.texi (mep-x-elf): Correct chip's full name.
4673
4674 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
4675
4676         * doc/extend.texi: Fix typo.
4677
4678 2009-06-29  Tom Tromey  <tromey@redhat.com>
4679
4680         * dwarf2.h: Remove.
4681         * Makefile.in (DWARF2_H): New variable.
4682         (except.o): Use it.
4683         (dwarf2out.o): Likewise.
4684         (dwarf2asm.o): Likewise.
4685         * config/i386/t-i386: Use DWARF2_H.
4686         * except.c: Include elf/dwarf2.h.
4687         * unwind-dw2.c: Include elf/dwarf2.h.
4688         * dwarf2out.c: Include elf/dwarf2.h.
4689         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
4690         <dtprel>: New field.
4691         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
4692         (size_of_loc_descr): Likewise.
4693         (output_loc_operands_raw): Likewise.
4694         (output_loc_operands): Handle new dtprel field.
4695         (loc_checksum): Update.
4696         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
4697         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
4698         * unwind-dw2-fde.c: Include elf/dwarf2.h.
4699         * dwarf2asm.c: Include elf/dwarf2.h.
4700         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
4701         * config/mmix/mmix.c: Include elf/dwarf2.h.
4702         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
4703         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
4704         * config/sh/sh.c: Include elf/dwarf2.h.
4705         * config/i386/i386.c: Include elf/dwarf2.h.
4706
4707 2009-06-29  DJ Delorie  <dj@redhat.com>
4708
4709         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
4710
4711         * doc/extend.texi: Add MeP attributes and pragmas.
4712         * doc/invoke.text: Add MeP Options.
4713         * doc/contrib.texi: Add MeP contribution.
4714         * doc/md.texi: Add MeP constraints.
4715         * doc/install.texi: Add MeP target.
4716
4717 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
4718
4719         * target.h (struct gcc_target): Add frame_pointer_required field.
4720         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
4721         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
4722         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
4723         hook.
4724         * reload1.c (update_eliminables): (Ditto.).
4725         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
4726         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
4727         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
4728
4729         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
4730
4731         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
4732         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
4733         (arm_frame_pointer_required): New function.
4734
4735         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
4736         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
4737         (avr_frame_pointer_required_p): Declare as static.
4738         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
4739
4740         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
4741         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
4742         (bfin_frame_pointer_required): Make as static, change return type
4743         to bool.
4744         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
4745
4746         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
4747         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
4748         (cris_frame_pointer_required): New function.
4749
4750         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
4751
4752         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
4753         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
4754         (fr30_frame_pointer_required): New function.
4755
4756         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
4757         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
4758         (frv_frame_pointer_required): Make as static, change return type
4759         to bool.
4760         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
4761
4762         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
4763         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
4764         (ix86_frame_pointer_required): Make as static, change return type to
4765         bool.
4766         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
4767
4768         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
4769         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
4770
4771         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
4772
4773         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
4774
4775         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
4776
4777         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
4778         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
4779         (mips_frame_pointer_required): Make as static.
4780         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
4781
4782         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
4783         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
4784         (mmix_frame_pointer_required): Mew function.
4785
4786         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
4787         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
4788
4789         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
4790
4791         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
4792
4793         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
4794
4795         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
4796         (CAN_ELIMINATE): Redefine.
4797         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
4798         (sparc_frame_pointer_required): New function.
4799         (sparc_can_eliminate): New function.
4800         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
4801
4802         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
4803         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
4804
4805         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
4806         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
4807         (xtensa_frame_pointer_required): Make as static, change return type
4808         to bool.
4809         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
4810         Remove.
4811
4812 2009-06-29  Olatunji Ruwase  <tjruwase@google.com>
4813
4814         * doc/plugins.texi: Document PLUGIN_START_UNIT.
4815         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
4816         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
4817         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
4818         (register_callback): Handle PLUGIN_START_UNIT.
4819         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
4820
4821 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
4822
4823         * tree.c (process_call_operands): Propagate TREE_READONLY from the
4824         operands.
4825         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
4826         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
4827
4828 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
4829
4830         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
4831         move cost.
4832
4833 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
4834
4835         * doc/extend.texi (Additional Floating Types): __float128 is also
4836         supported on i386 targets.
4837
4838 2009-06-29  Richard Guenther  <rguenther@suse.de>
4839
4840         PR middle-end/14187
4841         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
4842         flag.
4843         (pt_solutions_same_restrict_base): Declare.
4844         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
4845         flag.
4846         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
4847         (make_constraint_from, make_copy_constraint): Move earlier.
4848         (make_constraint_from_heapvar): New function.
4849         (make_constraint_from_restrict): Likewise.
4850         (handle_lhs_call): Use it.
4851         (find_func_aliases): Use it to track conversions to restrict
4852         qualified pointers.
4853         (struct fieldoff): Add only_restrict_pointers flag.
4854         (push_fields_onto_fieldstack): Initialize it.
4855         (create_variable_info_for): Track global restrict qualified pointers.
4856         (intra_create_variable_infos): Use make_constraint_from_heapvar.
4857         Track restrict qualified pointer arguments.
4858         (set_uids_in_ptset): Use varinfo is_global_var flag.
4859         (find_what_var_points_to): Set the vars_contains_restrict flag.
4860         Always create the points-to solution for sets including restrict tags.
4861         (pt_solutions_same_restrict_base): New function.
4862         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
4863         qualified pointers use pt_solutions_same_restrict_base as
4864         additional source for disambiguation.
4865
4866 2009-06-29  Richard Guenther  <rguenther@suse.de>
4867
4868         PR middle-end/38212
4869         * alias.c (find_base_decl): Remove.
4870         (get_deref_alias_set_1): Remove restrict handling.
4871         * c-common.c (c_apply_type_quals_to_decl): Do not set
4872         DECL_POINTER_ALIAS_SET.
4873         * gimplify.c (find_single_pointer_decl_1): Remove.
4874         (find_single_pointer_decl): Likewise.
4875         (internal_get_tmp_var): Remove restrict handling.
4876         (gimple_regimplify_operands): Likewise.
4877         * omp-low.c (expand_omp_atomic_pipeline): Do not set
4878         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
4879         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
4880         * tree.c (restrict_base_for_decl): Remove.
4881         (init_ttree): Do not allocate it.
4882         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
4883         LABEL_DECL_UID for label decls.
4884         (copy_node_stat): Do not copy restrict information.
4885         (decl_restrict_base_lookup): Remove.
4886         (decl_restrict_base_insert): Likewise.
4887         (print_restrict_base_statistics): Likewise.
4888         (dump_tree_statistics): Do not call print_restrict_base_statistics.
4889         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
4890         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
4891         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
4892         (LABEL_DECL_UID): Adjust.
4893         (DECL_BASED_ON_RESTRICT_P): Remove.
4894         (DECL_GET_RESTRICT_BASE): Likewise.
4895         (SET_DECL_RESTRICT_BASE): Likewise.
4896         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
4897
4898         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
4899         instead of DECL_POINTER_ALIAS_SET.
4900         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
4901         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
4902         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
4903
4904 2009-06-29  Richard Guenther  <rguenther@suse.de>
4905
4906         PR tree-optimization/40579
4907         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
4908         the IL to simplify has constants that overflowed.
4909
4910 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
4911
4912         PR tree-optimization/40550
4913         * tree-vect-generic.c (expand_vector_operations_1): Compute in
4914         vector_compute_type only when the size of vector_compute_type is
4915         less than the size of type.
4916
4917 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
4918
4919         * fold-const.c (contains_label_1): Fix comments.
4920         (contains_label_p): Do not walk trees multiple time.
4921
4922 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
4923
4924         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
4925         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
4926         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
4927         ix86_fp_comparison_operator.
4928         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
4929         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
4930         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
4931         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
4932         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
4933         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
4934         (related splits): Change predicate to ix86_fp_comparison_operator.
4935         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
4936         instead of ix86_fp_comparison_codes.
4937         (ix86_trivial_fp_comparison_operator,
4938         ix86_fp_comparison_operator): New.
4939         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
4940         (ix86_expand_compare): Eliminate last two parameters.
4941         (ix86_fp_jump_nontrivial_p): Kill.
4942         * config/i386/i386.c (put_condition_code): Eliminate call to
4943         ix86_fp_comparison_codes and subsequent assertion.
4944         (ix86_fp_comparison_codes): Eliminate.
4945         (ix86_fp_swap_condition): New.
4946         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
4947         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
4948         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
4949         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
4950         and ix86_fp_swap_condition.
4951         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
4952         Use ix86_fp_comparison_strategy.
4953         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
4954         (ix86_fp_jump_nontrivial_p): Eliminate.
4955         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
4956         call to ix86_expand_compare.
4957         (ix86_split_fp_branch, ix86_expand_setcc,
4958         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
4959         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
4960
4961 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
4962
4963         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
4964         related to jump_clobbers.
4965         * config/arm/arm.md (conds): Remove jump_clob case.
4966         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
4967         splits): Change comparison_operator to arm_comparison_operator.
4968         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
4969         Eliminate.
4970
4971 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
4972
4973         * dojump.c (do_compare_rtx_and_jump): Try swapping the
4974         condition for floating point modes.
4975         * expmed.c (emit_store_flag_1): Move here a bigger part
4976         of emit_store_flag.
4977         (emit_store_flag): Try swapping the condition for floating point
4978         modes.
4979         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
4980
4981 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
4982
4983         * expr.c (expand_expr_real_1): Just use do_store_flag.
4984         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
4985         emit_store_flag_force.
4986         * expmed.c (emit_store_flag_force): Copy here trick
4987         previously in expand_expr_real_1.  Try reversing the comparison.
4988         (emit_store_flag_1): Work if target is NULL.
4989         (emit_store_flag): Work if target is NULL, using the result mode
4990         from the comparison.  Use split_comparison, restructure final part
4991         to simplify conditionals.
4992
4993 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
4994
4995         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
4996         * dojump.c (do_jump): Change handling of floating-point
4997         ops to use just do_compare_and_jump.
4998         (split_comparison): New.
4999         (do_compare_rtx_and_jump): Add here logic coming previously
5000         in do_jump, using split_comparison.
5001
5002 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
5003
5004         PR target/40489
5005         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
5006
5007 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5008
5009         * tree-ssa-alias.c: Fix unintentional commit.
5010
5011 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5012
5013         * passes.c (execute_one_pass): Fix unintentional commit.
5014
5015 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5016
5017         * df-problems.c (df_set_seen, df_unset_seen): Delete.
5018         (df_rd_local_compute, df_md_local_compute): Inline them.
5019
5020         (df_md_scratch): New.
5021         (df_md_alloc, df_md_free): Allocate/free it.
5022         (df_md_local_compute): Only include live registers in init.
5023         (df_md_transfer_function): Prune the in-set computed by
5024         the confluence function, and the gen-set too.
5025
5026 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5027
5028         PR rtl-optimization/26854
5029         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
5030         * df-problems.c (df_rd_add_problem): Fix comment.
5031         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
5032         df_md_simulate_artificial_defs_at_top,
5033         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
5034         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
5035         df_md_transfer_function, df_md_init, df_md_confluence_0,
5036         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
5037         problem_MD, df_md_add_problem): New.
5038         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
5039         df_md_get_bb_info): New.
5040         (DF_LAST_PROBLEM_PLUS1): Adjust.
5041
5042         * Makefile.in (fwprop.o): Include domwalk.h.
5043         * fwprop.c: Include domwalk.h.
5044         (reg_defs, reg_defs_stack): New.
5045         (bitmap_only_bit_between): Remove.
5046         (process_defs): New.
5047         (process_uses): Use reg_defs and local_md instead of
5048         bitmap_only_bit_between and local_rd.
5049         (single_def_use_enter_block): New, from build_single_def_use_links.
5050         (single_def_use_leave_block): New.
5051         (build_single_def_use_links): Remove code moved to
5052         single_def_use_enter_block, invoke domwalk.
5053         (use_killed_between): Adjust comment.
5054
5055 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5056
5057         * bitmap.h (bitmap_ior_and_into): New.
5058         * bitmap.c (bitmap_ior_and_into): New.
5059
5060 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5061
5062         * domwalk.h (struct dom_walk_data): Remove all callbacks except
5063         before_dom_children_before_stmts and after_dom_children_after_stmts.
5064         Rename the two remaining callbacks to just before_dom_children and
5065         after_dom_children. Remove other GIMPLE statement walking bits.
5066         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
5067         * graphite.c: Do not include domwalk.h.
5068         * tree-into-ssa.c (interesting_blocks): New global.
5069         (struct mark_def_sites_global_data): Remove it and names_to_rename.
5070         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
5071         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
5072         now that they're not domwalk callbacks.
5073         (rewrite_initialize_block): Rename to...
5074         (rewrite_enter_block): ... this, place after called functions.  Test
5075         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
5076         (rewrite_finalize_block): Rename to...
5077         (rewrite_leave_block): ... this, place after called functions.
5078         (rewrite_update_init_block): Rename to...
5079         (rewrite_update_enter_block): ... this, place after called functions.
5080         Test interesting_blocks, call rewrite_update_stmt and
5081         rewrite_update_phi_arguments.
5082         (rewrite_update_fini_block): Rename to...
5083         (rewrite_leave_block): ... this, place after called functions.
5084         (rewrite_blocks): Remove last argument, simplify initialization of
5085         walk_data.
5086         (mark_def_sites_initialize_block): Rename to...
5087         (mark_def_sites_block): ... this, call mark_def_sites.
5088         (mark_def_sites_blocks): Remove argument, simplify initialization of
5089         walk_data.
5090         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
5091         (update_ssa): Likewise.
5092         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
5093         callback.
5094         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
5095         (dom_opt_initialize_block): Rename to...
5096         (dom_opt_enter_block): ... this, place after called functions.  Walk
5097         statements here, inline propagate_to_outgoing_edges.
5098         (dom_opt_finalize_block): Rename to...
5099         (dom_opt_leave_block): ... this, place after called functions.
5100         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
5101         domwalk callback.
5102         (dse_enter_block, dse_record_phi): New.
5103         (dse_record_phis): Delete.
5104         (dse_finalize_block): Rename to...
5105         (dse_leave_block): ... this.
5106         (tree_ssa_dse): Simplify initialization of walk_data.
5107         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
5108         Adjust initialization of walk_data.
5109         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
5110         * tree-ssa-loop-phiopt.c (get_non_trapping):
5111         Adjust initialization of walk_data.
5112         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
5113         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
5114         it's not a domwalk callback.
5115         (uncprop_initialize_block): Rename to...
5116         (dse_enter_block): ... this, call uncprop_into_successor_phis.
5117         (dse_finalize_block): Rename to...
5118         (dse_leave_block): ... this.
5119         (tree_ssa_uncprop): Simplify initialization of walk_data.
5120         * Makefile.in: Adjust dependencies.
5121
5122 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
5123
5124         * arm.md (casesi): Fix test for Thumb1.
5125         (thumb1_casesi_internal_pic): Likewise.
5126         (thumb1_casesi_dispatch): Likewise.
5127
5128 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
5129
5130         * config/arm/arm-cores.def: Added core cortex-m0.
5131         * config/arm/arm-tune.md: Regenerated.
5132         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
5133
5134 2009-06-26  DJ Delorie  <dj@redhat.com>
5135
5136         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
5137
5138         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
5139         the scheduler doesn't tag jump insns.
5140
5141 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
5142
5143         * c-decl.c (merge_decls): Re-indent.
5144
5145 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
5146
5147         PR c/39902
5148         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
5149         Special-case decimal float constants.
5150
5151 2009-06-26  Richard Henderson  <rth@redhat.com>
5152
5153         * function.h (struct function): Add cannot_be_copied_reason,
5154         and cannot_be_copied_set.
5155         * tree-inline.c (has_label_address_in_static_1): Rename from
5156         inline_forbidden_p_2; don't set inline_forbidden_reason here.
5157         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
5158         don't set inline_forbidden_reason.
5159         (copy_forbidden): New function, split out of inline_forbidden_p.
5160         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
5161         (inline_forbidden_p): Use copy_forbidden.
5162         (tree_versionable_function_p): Likewise.
5163         (inlinable_function_p): Merge into tree_inlinable_function_p.
5164         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
5165         * ipa-cp.c (ipcp_versionable_function_p): New function.
5166         (ipcp_cloning_candidate_p): Use it.
5167         (ipcp_node_modifiable_p): Likewise.
5168
5169 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
5170
5171         * builtins.c (expand_builtin_alloca): Handle builtin alloca
5172         that is marked not to be inlined. Remove flag_mudflap use.
5173         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
5174         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
5175
5176 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
5177
5178         PR bootstrap/40338
5179         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
5180         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
5181
5182 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
5183
5184         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
5185         shared libgcc.
5186         (__mingwthr_remove_key_dtor): Likewise.
5187
5188 2009-06-26  Richard Guenther  <rguenther@suse.de>
5189
5190         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
5191
5192 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
5193
5194         PR middle-end/40525
5195         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
5196         try the non-cond_exec path also.
5197
5198 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5199
5200         PR target/40468
5201         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
5202         (output_cbranch): Use new functions.
5203         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
5204         Likewise.
5205
5206 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
5207             Pat Haugen  <pthaugen@us.ibm.com>
5208             Revital Eres <ERES@il.ibm.com>
5209
5210         * config/rs6000/rs6000.c (print_operand): Correct lossage message
5211         for %c error.  Add %x support to print VSX registers as a unified
5212         register set, instead of separate float and altivec registers.
5213         Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
5214         %y case, and add support for VSX pre-modify addresses.
5215         (output_toc): Add assert for CONST containing an integer constant
5216         in the PLUS case.
5217         (rs6000_adjust_cost): Add POWER7 support.
5218         (insn_must_be_first_in_group): Ditto.
5219         (insn_must_be_last_in_group): Ditto.
5220         (rs6000_emit_popcount): Ditto.
5221         (rs6000_vector_mode_supported_p): Ditto.
5222
5223         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
5224         Change some of the functions called by macros to being called
5225         through a pointer, so debug functions can be inserted if
5226         -mdebug=addr or -mdebug=cost.
5227         (rs6000_preferred_reload_class_ptr): Ditto.
5228         (rs6000_secondary_reload_class_ptr): Ditto.
5229         (rs6000_secondary_memory_needed_ptr): Ditto.
5230         (rs6000_cannot_change_mode_class_ptr): Ditto.
5231         (rs6000_secondary_reload_inner): Ditto.
5232         (rs6000_legitimize_reload_address): Ditto.
5233         (rs6000_legitimize_reload_address_ptr): Ditto.
5234         (rs6000_mode_dependent_address): Ditto.
5235         (rs6000_mode_dependent_address_ptr): Ditto.
5236
5237         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
5238         function to return true if the mode allows reg + integer
5239         addresses.
5240         (virtual_stack_registers_memory_p): New function to return true if
5241         the address refers to a virtual stack register.
5242         (rs6000_legitimate_offset_address_p): Move code to say whether a
5243         mode supports reg+int addressing to reg_offset_addressing_ok_p and
5244         call it.
5245         (rs6000_legitimate_address_p): Add checks for modes that only can
5246         do reg+reg addressing.  Start adding VSX support.
5247         (rs6000_legitimize_reload_address): Ditto.
5248         (rs6000_legitimize_address): Ditto.
5249         (rs6000_debug_legitimate_address_p): New debug functions for
5250         -mdebug=addr and -mdebug=cost.
5251         (rs6000_debug_rtx_costs): Ditto.
5252         (rs6000_debug_address_costs): Ditto.
5253         (rs6000_debug_adjust_cost): Ditto.
5254         (rs6000_debug_legitimize_address): Ditto.
5255         (rs6000_legitimize_reload_address_ptr): Point to call normal
5256         function or debug function.  Make functions called via pointer
5257         static.
5258         (rs6000_mode_dependent_address_ptr): Ditto.
5259         (rs6000_secondary_reload_class_ptr): Ditto.
5260         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
5261         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
5262         into a friendlier error.
5263         (rs6000_init_builtins): Add initial VSX support.
5264         (rs6000_adjust_cost): Fix some spacing issues.
5265
5266         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
5267         (REG_CLASS_NAMES): Ditto.
5268         (REG_CLASS_CONTENTS): Ditto.
5269         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
5270         pointer, to add -mdebug=addr support.
5271         (CANNOT_CHANGE_MODE_CLASS): Ditto.
5272         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
5273         -mdebug=addr support.
5274         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
5275         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
5276         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
5277
5278         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
5279         16-bit values.
5280         (bswapsi*): Set attribute types for load/store.  Add combiner
5281         patterns to eliminate zero extend on 64-bit.
5282         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
5283         stdbrx if the hardware supports those instructions.
5284
5285 2009-06-25  Ian Lance Taylor  <iant@google.com>
5286
5287         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
5288         (Link Options): Document -static-libstdc++.
5289
5290 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5291
5292         PR target/38731
5293         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
5294         DATA_ALIGNMENT instead.
5295
5296 2009-06-25  Richard Guenther  <rguenther@suse.de>
5297
5298         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
5299         indirect references against the callused/escaped solutions.
5300         (call_may_clobber_ref_p_1): Likewise.
5301
5302 2009-06-25  Martin Jambor  <mjambor@suse.cz>
5303
5304         PR tree-optimization/40493
5305         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
5306         (enum unscalarized_data_handling): New type.
5307         (handle_unscalarized_data_in_subtree): Return what has been done.
5308         (load_assign_lhs_subreplacements): Handle left flushes differently.
5309         (sra_modify_assign): Use unscalarized_data_handling, simplified
5310         condition determining whether to remove the statement.
5311
5312 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
5313
5314         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
5315         excerpt - @ should be doubled for texinfo.
5316
5317 2009-06-24  Ian Lance Taylor  <iant@google.com>
5318
5319         * config/arc/arc.c: Include "df.h".
5320         (arc_attribute_table): Make static.  Move higher in file.
5321         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
5322         (output_shift): Initialize n later to avoid warning.
5323         * config/arm/arm.c (arm_attribute_table): Make static.  Move
5324         higher in file.
5325         * config/avr/avr.c (avr_attribute_table): Make static.  Move
5326         higher in file.
5327         (reg_class_tab): Change array type from int to enum reg_class.
5328         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
5329         LABEL_REF.
5330         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
5331         (lshrhi3_out): Likewise.
5332         (class_likely_spilled_p): Change return type to bool.
5333         (avr_rtx_costs): Use local code variable with enum type.
5334         * config/avr/avr.md (movmemhi): Use add_reg_note.
5335         (andhi3, andsi3): Don't use AS2 with "and".
5336         (iorhi3, iorsi3): Don't use AS2 with "or".
5337         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
5338         * config/crx/crx.c: Include "df.h".
5339         (crx_attribute_table): Make static.
5340         * config/m32r/m32r.c: Include "df.h".
5341         (m32r_attribute_table): Make static.  Move higher in file.
5342         (pop): Use add_reg_note.
5343         (block_move_call): Change 0 to LCT_NORMAL in function call.
5344         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
5345         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
5346         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
5347         declare, not just when TREE_CODE is defined.
5348         * config/m68hc11/m68hc11.c: Include "expr.h".
5349         (m68hc11_attribute_table): Make static.  Move higher in file.
5350         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
5351         function call.
5352         (m68hc11_register_indirect_p): Likewise.
5353         (m68hc11_function_arg_padding): Change return type to enum
5354         direction.
5355         (emit_move_after_reload): Use add_reg_note.
5356         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
5357         (m68hc11_split_logical): Likewise.
5358         (m68hc11_rtx_costs): Add local code_and outer_code variables with
5359         enum type.
5360         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
5361         to VOIDmode in function call.
5362         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
5363         tree is defined.
5364         (m68hc11_split_logical): Update declaration.
5365         (m68hc11_function_arg_padding): Update declaration.
5366         * config/mcore/mcore.c (regno_reg_class): Change form array of int
5367         to array of enum reg_class.
5368         (mcore_attribute_table): Make static.  Move higher in file.
5369         (mcore_rtx_costs): Add cast to enum type.
5370         * config/mcore/mcore.h (regno_reg_class): Update declaration.
5371         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
5372         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
5373         in file.
5374         * config/sh/predicates.md (trapping_target_operand): Rename and to
5375         and_expr.
5376         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
5377         higher in file.
5378         * config/spu/spu.c (spu_attribute_table): Make static.  Move
5379         higher in file.
5380         * config/v850/v850.c (v850_attribute_table): Make static.  Move
5381         higher in file.
5382         (v850_rtx_costs): Use local code with enum type.
5383         (expand_epilogue): Add cast.
5384         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
5385
5386 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
5387
5388         PR target/40515
5389         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
5390         -m2a-single-only and -m2a-nofpu.
5391         * config/sh/sh.opt: Document m2a generates FPU code.
5392
5393 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
5394
5395         * defaults.h (CAN_ELIMINATE): Provide default.
5396         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
5397         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
5398         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
5399         * config/spu/spu.h (CAN_ELIMINATE): Delete.
5400         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
5401         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
5402         * config/cris/cris.h (CAN_ELIMINATE): Delete.
5403         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
5404         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
5405         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
5406
5407 2009-06-24  DJ Delorie  <dj@redhat.com>
5408
5409         * mep-ext-cop.cpu: Fix copyright notice.
5410         * mep-default: Fix copyright notice.
5411         * mep-core: Fix copyright notice.
5412         * mep: Fix copyright notice.
5413         * mep-ivc2: Fix copyright notice.
5414         * mep-c5: Fix copyright notice.
5415
5416 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
5417
5418         * doc/contrib.texi (Contributors):
5419
5420 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5421
5422         PR middle-end/40501
5423         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
5424         src and dst operands if necessary.
5425
5426 2009-06-23  DJ Delorie  <dj@redhat.com>
5427
5428         Add MeP port.
5429         * config.gcc: Add mep support.
5430         * recog.c: Resurrect validate_replace_rtx_subexp().
5431         * recog.h: Likewise.
5432         * config/mep/: Add new port:
5433         * config/mep/constraints.md: New file.
5434         * config/mep/default.h: New file.
5435         * config/mep/intrinsics.h: New file.
5436         * config/mep/intrinsics.md: New file.
5437         * config/mep/ivc2-template.h: New file.
5438         * config/mep/mep-c5.cpu: New file.
5439         * config/mep/mep-core.cpu: New file.
5440         * config/mep/mep-default.cpu: New file.
5441         * config/mep/mep-ext-cop.cpu: New file.
5442         * config/mep/mep-intrin.h: New file.
5443         * config/mep/mep-ivc2.cpu: New file.
5444         * config/mep/mep-lib1.asm: New file.
5445         * config/mep/mep-lib2.c: New file.
5446         * config/mep/mep-pragma.c: New file.
5447         * config/mep/mep-protos.h: New file.
5448         * config/mep/mep-tramp.c: New file.
5449         * config/mep/mep.c: New file.
5450         * config/mep/mep.cpu: New file.
5451         * config/mep/mep.h: New file.
5452         * config/mep/mep.md: New file.
5453         * config/mep/mep.opt: New file.
5454         * config/mep/predicates.md: New file.
5455         * config/mep/t-mep: New file.
5456
5457 2009-06-23  Ian Lance Taylor  <iant@google.com>
5458
5459         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
5460         from loose_warn into c_loose_warn and from strict_warn into
5461         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
5462         --enable-build-with-cxx.  Set and substitute
5463         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
5464         * Makefile.in (CXXFLAGS): New variable.
5465         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
5466         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
5467         the default is the same as $(STRICT_WARN).
5468         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
5469         (CXX): New variable.
5470         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
5471         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
5472         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
5473         (HOST_LIBS): New variable.
5474         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
5475         (ALL_CXXFLAGS): New variable.
5476         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
5477         * doc/install.texi (Configuration): Document
5478         --enable-build-with-cxx, --with-stage1-ldflags,
5479         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
5480         * configure: Rebuild.
5481
5482 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5483
5484         * config/arm/arm.c (arm_override_options): Fix braces and formatting
5485         from previous commit.
5486
5487 2009-06-23  Ian Lance Taylor  <iant@google.com>
5488
5489         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
5490
5491 2009-06-23  Ian Lance Taylor  <iant@google.com>
5492
5493         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
5494         with ATTRIBUTE_UNUSED.
5495
5496 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
5497             Pat Haugen  <pthaugen@us.ibm.com>
5498             Revital Eres  <eres@il.ibm.com>
5499
5500         * config.in (HAVE_AS_POPCNTD): Add default definition.
5501         (HAVE_AS_LWSYNC): Ditto.
5502
5503         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
5504         release number.
5505         (gcc_cv_as_powerpc_cmpb): Ditto.
5506         (gcc_cv_as_powerpc_dfp): Ditto.
5507         (gcc_cv_as_powerpc_vsx): Ditto.
5508         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
5509         supporting the popcntd/lwsync instructions.
5510         (gcc_cv_as_powerpc_lwsync): Ditto.
5511         * configure: Regenerate.
5512
5513         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
5514         -mcpu=native and -mcpu=power7.
5515         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
5516
5517         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
5518         a variable instead of a mask to reduce the number of mask bits.
5519         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
5520         (-mbit-word): Ditto.
5521         (-mregnames): Ditto.
5522         * config/rs6000/rs6000.opt (-mupdate): Ditto.
5523         (-mfused-madd): Ditto.
5524
5525         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
5526         2.06 instructions.
5527         (-mvsx): New switch for VSX instructions.
5528         (-misel): Move from a variable to a mask to allow it to be set by
5529         -mcpu=.
5530
5531         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
5532         function declaration to an array declaration.
5533         (rs6000_hard_regno_nregs): New external array declaration.
5534
5535         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
5536         files included by rs6000.md.
5537
5538         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
5539         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
5540
5541         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
5542         a target mask.
5543         (rs6000_debug_reg): New -mdebug= variables.
5544         (rs6000_debug_addr): Ditto.
5545         (rs6000_debug_cost): Ditto.
5546         (rs6000_pmode): New variable to hold Pmode.
5547         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
5548         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
5549         calculated at compiler start.
5550         (rs6000_hard_regno_nregs): Change function to an array which holds
5551         HARD_REGNO_NREGS calculated at compiler start.
5552         (rs6000_explicit_options): Delete isel field.
5553         (rs6000_vector_unit): New array to hold which vector unit
5554         supports arithmetic options for a given type.
5555         (rs6000_vector_mem): New array to hold which vector unit supports
5556         memory reference operations for a given type.
5557         (rs6000_vector_align): New array to given the alignment of each
5558         vector type.
5559         (power7_cost): New basic costs for power7.
5560         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
5561         (rs6000_hard_regno_nregs_internal): New function, moved from
5562         HARD_REGNO_NREGS, to calculate the number of registers each hard
5563         register takes for each type.
5564         (rs6000_debug_reg_print): New function for -mdebug=reg support.
5565         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
5566         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
5567         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
5568         unit information here so it is calculated once at compiler startup
5569         time.
5570         (rs6000_override_options): Make -misel a target mask.  Add more
5571         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
5572         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
5573         -mdebug=cost.
5574         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
5575         (rs6000_handle_option): Move -misel from variable to target mask.
5576         (rs6000_builtin_mask_for_load): Add VSX support.
5577         (rs6000_conditional_register_usage): Ditto.
5578         (USE_ALTIVEC_FOR_ARG_P): Ditto.
5579         (function_arg_boundary): Ditto.
5580         (rs6000_expand_builtin): Ditto.
5581         (def_builtin): Make abort message a little friendlier.
5582         (rs6000_emit_int_cmove): Add support for 64-bit isel.
5583
5584         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
5585         assembler support the popcntd instruction instead of a vsx
5586         instruction to enable power7 support.
5587         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
5588         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
5589         option to the assembler if -mcpu=native.
5590         (ASM_CPU_NATIVE_SPEC): Ditto.
5591         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
5592         ISA 2.06 features.
5593         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
5594         the lwsync instruction.
5595         (enum processor_type): Add PROCESSOR_POWER7.
5596         (rs6000_debug_reg): New -mdebug= options.
5597         (rs6000_debug_addr): Ditto.
5598         (rs6000_debug_cost): Ditto.
5599         (rs6000_isel): Delete.
5600         (enum rs6000_vector): New enum to say what vector unit we have.
5601         (VECTOR_UNIT_*): New macros to say which vector unit has
5602         arithmetic operations for a given type.
5603         (VECTOR_MEM_*): New macros to say which vector unit has memory
5604         operations for a given type.
5605         (TARGET_LDBRX): Whether the machine supports the ldbrx
5606         instruction.
5607         (TARGET_ISEL): Delete, -misel moved to be a mask.
5608         (TARGET_ISEL64): New macro for 64-bit isel support.
5609         (UNITS_PER_VSX_WORD): New macro.
5610         (POINTER_SIZE): Move to be an external variable, rather than
5611         calculating whether we are generating 32 ot 64-bit code.
5612         (Pmode): Ditto.
5613         (STACK_BOUNDARY): Add VSX support.
5614         (LOCAL_ALIGNMENT): Ditto.
5615         (SLOW_UNALIGNED_ACCESS): Ditto.
5616         (VSX_REGNO_P): New macro for VSX support.
5617         (VFLOAT_REGNO_P): Ditto.
5618         (VINT_REGNO_P): Ditto.
5619         (VLOGICAL_REGNO_P): Ditto.
5620         (VSX_VECTOR_MODE): Ditto.
5621         (VSX_SCALAR_MODE): Ditto.
5622         (VSX_MODE): Ditto.
5623         (VSX_MOVE_MODE): Ditto.
5624         (VSX_REG_CLASS_P): Ditto.
5625         (HARD_REGNO_NREGS): Instead of calling a function, use an array
5626         lookup.
5627         (UNITS_PER_SIMD_WORD): Add VSX support.
5628         (MODES_TIEABLE_P): Ditto.
5629         (STARTING_FRAME_OFFSET): Ditto.
5630         (STACK_DYNAMIC_OFFSET): Ditto.
5631         (EPILOGUE_USES): Ditto.
5632         (REGNO_REG_CLASS): Move to array lookup.
5633         (CLASS_MAX_NREGS): Ditto.
5634         (rs6000_vector_reg_class): Add declaration.
5635         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
5636         overlap with the floating point and Altivec registers.
5637
5638         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
5639
5640         * config/rs6000/driver-rs6000.c (asm_names): New static array to
5641         give the appropriate asm switches if -mcpu=native.
5642         (host_detect_local_cpu): Add support for "asm".
5643         (host_detect_local_cpu): Follow GNU code guidelines for name.
5644
5645         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
5646         -mbit-word to a variable instead of being a target mask.
5647
5648         * config/rs6000/sync.md (lwsync): If the assembler supports it,
5649         emit the lwsync instruction instead of emitting the instruction as
5650         an integer constant.
5651
5652         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
5653         fixuns_trundfsi2, move expander into rs6000.md.
5654
5655         * config/rs6000/rs6000.md (cpu): Add power7.
5656         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
5657         (logical predicate patterns): Change the single instruction
5658         primitives that set CR0 to be fast_compare instead of compare.
5659         (norsi*): Ditto.
5660         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
5661         (popcntddi2): Ditto.
5662         (popcount<mode>): Ditto.
5663         (floating multiply/add insns): Name the floating point
5664         multiply/add insns.
5665         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
5666         (isel_unsigned_<mode>): Ditto.
5667         (fixuns_trundfsi2): Move expander here from spe.md.
5668         (smindi3): Define if we have -misel on 64-bit systems.
5669         (smaxdi3): Ditto.
5670         (umindi3): Ditto.
5671         (umaxdi3): Ditto.
5672
5673 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
5674
5675         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
5676         extra_objs.
5677         * config/avr/avr.c (avr_current_device): New variable.
5678         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
5679         (avr_arch, mcu_type_s): Move to avr.h.
5680         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
5681         default_data_section_start fields.
5682         (avr_arch): Moved from avr.c.
5683         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
5684         library_name fields.
5685         (avr_current_device, avr_mcu_types, avr_arch_types,
5686         avr_device_to_arch, avr_device_to_data_start,
5687         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
5688         (EXTRA_SPEC_FUNCTIONS): Define.
5689         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
5690         options mapping. Use device_to_arch and device_to_data_start insted.
5691         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
5692         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
5693         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
5694         * config/avr/driver-avr.c: New file.
5695         * config/avr/avr-devices.c: New file.
5696
5697 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
5698
5699         * var-tracking.c (unshare_variable): Force initialized to
5700         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
5701         (set_variable_part): Likewise.
5702         (struct variable_union_info): Remove pos_src field.
5703         (vui_vec, vui_allocated): New variables.
5704         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
5705         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
5706         == 1 use a simpler sorting algorithm.  Compute pos field right
5707         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
5708         Avoid quadratic comparison if !flag_var_tracking_uninit.
5709         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
5710         unshare_variable unconditionally.
5711         (dataflow_set_different_2): Removed.
5712         (dataflow_set_different): Don't traverse second hash table.
5713         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
5714         unconditionally to var_reg_set or var_mem_set.
5715         (emit_notes_in_bb): Likewise.
5716         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
5717         unshare_variable.
5718         (emit_note_insn_var_location): Don't set initialized to
5719         VAR_INIT_STATUS_INITIALIZED early.
5720         (vt_finalize): Free vui_vec if needed, clear vui_vec and
5721         vui_allocated.
5722         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
5723
5724         * tree-object-size.c (addr_object_size): Instead of checking
5725         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
5726         are no FIELD_DECLs following it.
5727
5728 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
5729
5730         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
5731         order to match bswaps with signed source operands.
5732
5733 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5734
5735         * sdbout.c (sdbout_one_type): Fix braces in switch.
5736
5737 2009-06-23  Richard Guenther  <rguenther@suse.de>
5738
5739         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
5740         member.
5741         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
5742         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
5743         var_callused, callused_tree, var_storedanything, storedanything_tree,
5744         var_integer, integer_tree): Remove global variables.
5745         (new_var_info): Do not pass new id, append the new var to the
5746         global variable vector.
5747         (do_ds_constraint): Use is_global_var member of the variable-info.
5748         (new_scalar_tmp_constraint_exp): Adjust.
5749         (create_function_info_for): Likewise.
5750         (create_variable_info_for): Likewise.
5751         (find_what_var_points_to): Remove dead code.
5752         (init_base_vars): Simplify.
5753         (compute_points_to_sets): Adjust.
5754
5755 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
5756
5757         * combine.c (try_combine): Dump information about the insns we're
5758         combining.
5759
5760 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
5761
5762         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
5763         check when calling force_to_mode on TRUNCATE's operand.
5764
5765 2009-06-22  Ian Lance Taylor  <iant@google.com>
5766
5767         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
5768
5769 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
5770
5771         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
5772
5773 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5774
5775         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
5776         override library linkage flags such as -static-libgcc or
5777         -shared-libgcc.
5778
5779 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5780
5781         * config/m68k/m68k-devices.def: Add line for MCF5221x.
5782
5783 2009-06-22  Ian Lance Taylor  <iant@google.com>
5784
5785         * config/linux.opt: Put mglibc ahead of muclibc.
5786
5787         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
5788         for duplicate decls.
5789
5790 2009-06-22  Matthias Klose  <doko@ubuntu.com>
5791
5792         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
5793
5794 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
5795
5796         PR objc/28050
5797         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
5798         instead of NULL if a parser error occurs.
5799
5800 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5801
5802         * dwarf2out.c (dwarf2_debug_hooks): Initialize
5803         non-DWARF2_DEBUGGING_INFO version.
5804
5805 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
5806
5807         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
5808         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
5809
5810         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
5811         (LIBGCC2_TF_CEXT): Define.
5812         (TF_SIZE): Define.
5813
5814 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5815
5816         PR target/40463
5817         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
5818
5819 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5820
5821         * config/arm/arm.c (arm_override_options): Disable
5822         -mcaller-super-interworking and -mcallee-super-interworking.
5823         * doc/invoke.texi (ARM Options): Document this.
5824
5825 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
5826
5827         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
5828         * config/arm/constraints.md (j): New constraint for movw operands.
5829         (N): Remove thumb2 meaning.
5830         * config/arm/arm.md (*arm_movw): Delete.
5831         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
5832         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
5833         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
5834
5835 2009-06-22  Martin Jambor  <mjambor@suse.cz>
5836
5837         PR tree-optimization/40492
5838         * tree-sra.c (sra_modify_assign): Pass zero offsets to
5839         build_ref_for_offset.
5840
5841 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
5842
5843         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
5844         JUMP_TABLE_DATA_P predicates where applicable.
5845         * auto-inc-dec.c: Ditto.
5846         * builtins.c: Ditto.
5847         * caller-save.c: Ditto.
5848         * calls.c: Ditto.
5849         * cfgcleanup.c: Ditto.
5850         * cfglayout.c: Ditto.
5851         * cfgrtl.c: Ditto.
5852         * combine.c: Ditto.
5853         * combine-stack-adj.c: Ditto.
5854         * cse.c: Ditto.
5855         * cselib.c: Ditto.
5856         * dbxout.c: Ditto.
5857         * df-scan.c: Ditto.
5858         * dse.c: Ditto.
5859         * dwarf2asm.c: Ditto.
5860         * dwarf2out.c: Ditto.
5861         * emit-rtl.c: Ditto.
5862         * except.c: Ditto.
5863         * explow.c: Ditto.
5864         * expmed.c: Ditto.
5865         * expr.c: Ditto.
5866         * final.c: Ditto.
5867         * function.c: Ditto.
5868         * fwprop.c: Ditto.
5869         * gcse.c: Ditto.
5870         * genpreds.c: Ditto.
5871         * genrecog.c: Ditto.
5872         * ifcvt.c: Ditto.
5873         * ira-costs.c: Ditto.
5874         * ira-lives.c: Ditto.
5875         * jump.c: Ditto.
5876         * loop-iv.c: Ditto.
5877         * lower-subreg.c: Ditto.
5878         * modulo-sched.c: Ditto.
5879         * optabs.c: Ditto.
5880         * postreload.c: Ditto.
5881         * print-rtl.c: Ditto.
5882         * recog.c: Ditto.
5883         * reginfo.c: Ditto.
5884         * regmove.c: Ditto.
5885         * reload1.c: Ditto.
5886         * reload.c: Ditto.
5887         * reorg.c: Ditto.
5888         * rtlanal.c: Ditto.
5889         * rtl.c: Ditto.
5890         * sched-vis.c: Ditto.
5891         * sdbout.c: Ditto.
5892         * sel-sched-ir.c: Ditto.
5893         * simplify-rtx.c: Ditto.
5894         * targhooks.c: Ditto.
5895         * var-tracking.c: Ditto.
5896         * vmsdbgout.c: Ditto.
5897
5898 2009-06-22  Matthias Klose  <doko@ubuntu.com>
5899
5900         * Makefile.in (install-plugin): Always use DESTDIR.
5901
5902 2009-06-22  Olivier Hainque  <hainque@adacore.com>
5903
5904         * config/pa/pa.c (output_call): Don't optimize post call jumps
5905         into return address adjustments if the call may throw.
5906
5907 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
5908
5909         * arm.c (thumb1_output_casesi): New function.
5910         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
5911         optimizing for size or PIC.
5912         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
5913         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
5914         (casesi): Handle Thumb-1 when optimizing for size or PIC.
5915         (thumb1_casesi_internal_pic): New expand rule.
5916         (thumb1_casesi_dispatch): New pattern.
5917         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
5918         thumb-1 mode.
5919         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
5920         in the text seciton when PIC or optimizing for size.
5921         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
5922         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
5923         preservation properties of code.
5924         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
5925         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
5926         (__gnu_thumb1_case_si): New function.
5927         * t-arm (LIB1ASMSRC): Define here.
5928         (LIB1ASMFUNCS): Add some common functions.
5929         * t-arm-elf (LIB1ASMSRC): Delete.
5930         (LIB1ASMFUNCS): Append to existing set.
5931         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
5932         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
5933         * t-symbian (LIB1ASMFUNCS): Likewise.
5934         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
5935         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
5936
5937 2009-06-21  Richard Guenther  <rguenther@suse.de>
5938
5939         PR tree-optimization/38729
5940         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
5941         to loops with a single exit if -fno-expensive-optimizations.
5942
5943 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
5944
5945         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
5946         (dataflow_set): Change vars type from htab_t to shared_hash.
5947         (shared_hash_pool, empty_shared_hash): New variables.
5948         (vars_clear): Removed.
5949         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
5950         shared_hash_find_slot_unshare, shared_hash_find_slot,
5951         shared_hash_find_slot_noinsert, shared_hash_find): New
5952         static inlines.
5953         (shared_hash_unshare, shared_hash_destroy): New functions.
5954         (unshare_variable): Unshare set->vars if shared, use
5955         shared_hash_htab.
5956         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
5957         (get_init_value, find_src_set_src, dump_dataflow_set,
5958         clobber_variable_part, emit_notes_for_differences): Use
5959         shared_hash_htab.
5960         (dataflow_set_init): Remove second argument, set vars to
5961         empty_shared_hash instead of creating a new htab.
5962         (dataflow_set_clear): Call shared_hash_destroy and set vars
5963         to empty_shared_hash instead of calling vars_clear.
5964         (dataflow_set_copy): Don't call vars_copy, instead just share
5965         the src htab with dst.
5966         (variable_union): Use shared_hash_*, use initially NO_INSERT
5967         lookup if set->vars is shared.  Don't keep slot cleared before
5968         calling unshare_variable.  Unshare set->vars if needed.
5969         Even ->refcount == 1 vars must be unshared if set->vars is shared
5970         and var needs to be modified.
5971         (variable_canonicalize): New function.
5972         (dataflow_set_union): If dst->vars is empty, just share src->vars
5973         with dst->vars and traverse with variable_canonicalize to canonicalize
5974         and unshare what is needed.
5975         (dataflow_set_different): If old_set and new_set use the same shared
5976         htab, they aren't different.  If number of htab elements is different,
5977         htabs are different.  Use shared_hash_*.
5978         (dataflow_set_destroy): Call shared_hash_destroy instead of
5979         htab_delete.
5980         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
5981         second argument to dataflow_set_init.
5982         (vt_initialize): Likewise.  Initialize shared_hash_pool and
5983         empty_shared_hash, move bb in/out initialization afterwards.
5984         Use variable_htab_free instead of NULL as changed_variables del hook.
5985         (variable_was_changed): Change type of second argument to pointer to
5986         dataflow_set.  When inserting var into changed_variables, bump
5987         refcount.  Unshare set->vars if set is shared htab and slot needs to
5988         be cleared.
5989         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
5990         lookup if set->vars is shared.  Unshare set->vars if needed.
5991         Even ->refcount == 1 vars must be unshared if set->vars is shared
5992         and var needs to be modified.  Adjust variable_was_changed caller.
5993         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
5994         vars must be unshared if set->vars is shared and var needs to be
5995         modified.  Adjust variable_was_changed caller.
5996         (emit_note_insn_var_location): Don't pool_free var.
5997         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
5998         instead of 1.
5999         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
6000         free_alloc_pool on shared_hash_pool.
6001
6002 2009-06-20  Anthony Green  <green@moxielogic.com>
6003
6004         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
6005         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
6006
6007 2009-06-20  Richard Guenther  <rguenther@suse.de>
6008
6009         * tree-ssa-structalias.c (find_func_aliases): For memset use
6010         a constraint from NULL if we memset to zero.
6011         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
6012         we explicitly handle that do not read from memory.
6013         (call_may_clobber_ref_p_1): Properly handle builtins that may
6014         set errno.
6015
6016 2009-06-20  Richard Guenther  <rguenther@suse.de>
6017
6018         PR tree-optimization/40495
6019         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
6020         (new_scalar_tmp_constraint_exp): New function.
6021         (process_constraint): Do not create temporary decls.
6022         (process_all_all_constraints): Likewise.
6023         (handle_const_call): Likewise.
6024         (create_function_info_for): Do not set decl.
6025
6026 2009-06-19  Ian Lance Taylor  <iant@google.com>
6027
6028         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
6029         (rs6000_attribute_table): Make static; move before use.
6030
6031 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
6032
6033         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
6034         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
6035         Propagate the TREE_READONLY flag without overwriting it.
6036         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
6037         Propagate the TREE_READONLY flag onto the result.
6038         (process_call_operands): Move around.  Use correct constant value.
6039
6040 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6041
6042         PR target/40482
6043         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
6044         * config/arm/arm.md: Likewise.
6045
6046 2009-06-19  Ian Lance Taylor  <iant@google.com>
6047
6048         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
6049         to GIMPLE_ERROR_MARK.
6050
6051         * c-typeck.c (build_conditional_expr): Add op1_original_type and
6052         op2_original_type parameters.  Warn about using different enum types.
6053         * c-parser.c (c_parser_conditional_expression): Pass original
6054         types to build_conditional_expr.
6055         * c-tree.h (build_conditional_expr): Update declaration.
6056
6057 2009-06-19  Ian Lance Taylor  <iant@google.com>
6058
6059         * config/i386/i386.c (ix86_function_specific_save): Test that
6060         fields match values, rather than testing the values are in a
6061         certain range.
6062
6063 2009-06-19  Richard Guenther  <rguenther@suse.de>
6064
6065         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
6066         ADDR_EXPR pointers.
6067         (ptr_derefs_may_alias_p): Likewise.
6068         (ptr_deref_may_alias_ref_p_1): New function.
6069         (ptr_deref_may_alias_ref_p): Likewise.
6070         (ref_maybe_used_by_call_p_1): Handle builtins that are not
6071         covered by looking at the ESCAPED solution.
6072         (call_may_clobber_ref_p_1): Likewise.
6073         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
6074         Handle NULL_TREE offset.  Do not produce redundant constraints.
6075         (process_all_all_constraints): New helper function.
6076         (do_structure_copy): Use it.
6077         (handle_lhs_call): Likewise.
6078         (find_func_aliases): Handle some builtins with pointer arguments
6079         and/or return values explicitly.
6080
6081 2009-06-19  Ian Lance Taylor  <iant@google.com>
6082
6083         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
6084
6085 2009-06-19  Ian Lance Taylor  <iant@google.com>
6086
6087         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
6088
6089 2009-06-19  Ian Lance Taylor  <iant@google.com>
6090
6091         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
6092         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
6093         version.
6094
6095         * c-decl.c (finish_decl): If -Wc++-compat, warn about
6096         uninitialized const.
6097
6098 2009-06-19  Ian Lance Taylor  <iant@google.com>
6099
6100         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
6101         all uses.
6102
6103         * c-decl.c (in_struct, struct_types): Remove.
6104         (struct c_binding): Add in_struct field.
6105         (c_binding_ptr): Define type, along with VEC.
6106         (struct c_struct_parse_info): Define.
6107         (struct_parse_info): New static variable.
6108         (bind): Initialize in_struct field.
6109         (start_struct): Remove enclosing_in_struct and
6110         enclosing_struct_types parameters.  Add
6111         enclosing_struct_parse_info parameter.  Change all callers.  Set
6112         struct_parse_info rather than in_struct and struct_types.
6113         (grokfield): If -Wc++-compat and there is a symbol binding for the
6114         field name, set the in_struct flag and push it on the
6115         struct_parse_info->fields vector.
6116         (warn_cxx_compat_finish_struct): New static function.
6117         (finish_struct): Remove enclosing_in_struct and
6118         enclosing_struct_types parameters.  Add
6119         enclosing_struct_parse_info parameter.  Change all callers.  Don't
6120         set C_TYPE_DEFINED_IN_STRUCT here.  Call
6121         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
6122         parameter.  Only push on struct_types if warn_cxx_compat.
6123         (finish_enum): Only push on struct_types if warn_cxx_compat.
6124         (declspecs_add_type): Add loc parameter.  Change all callers.
6125         Change all error calls to error_at.  Pass loc, not input_location,
6126         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
6127         defined in a struct.  If -Wc++-compat and parsing a struct, record
6128         that a typedef name was used.
6129         * c-parser.c (c_parser_declspecs): Get location to pass to
6130         declspecs_add_type.
6131         (c_parser_struct_or_union_specifier): Update calls to start_struct
6132         and finish_struct.
6133         * c-tree.h (struct c_struct_parse_info): Declare.
6134         (finish_struct, start_struct): Update declarations.
6135         (declspecs_add_type): Update declaration.
6136
6137 2009-06-19  Ian Lance Taylor  <iant@google.com>
6138
6139         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
6140         variable with an anonymous type.
6141
6142 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
6143
6144         * see.c: Remove for real.
6145
6146 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
6147
6148         * optabs.h (enum optab_index): Add new OTI_significand.
6149         (significand_optab): Define corresponding macro.
6150         * optabs.c (init_optabs): Initialize significand_optab.
6151         * genopinit.c (optabs): Implement significand_optab using
6152         significand?f2 patterns.
6153         * builtins.c (expand_builtin_mathfn): Handle
6154         BUILT_IN_SIGNIFICAND{,F,L}.
6155         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
6156         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
6157
6158         * config/i386/i386.md (significandxf2, significand<mode>2): New
6159         expanders to implement significandf, significand and significandl
6160         built-ins as inline x87 intrinsics.
6161
6162 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
6163
6164         * config/avr/avr.c (avr_override_options): Remove setting value of
6165         PARAM_INLINE_CALL_COST.
6166
6167 2009-06-18  Richard Henderson  <rth@redhat.com>
6168
6169         PR 40488
6170         * tree-pass.h (TDF_ASMNAME): New.
6171         * tree-dump.c (dump_options): Add asmname.
6172         * doc/invoke.texi: Document it.
6173
6174         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
6175         (dump_decl_name): ...here.
6176         (dump_function_name): New flags arg; mind TDF_ASMNAME.
6177         (dump_generic_node): Update dump_function_name calls.
6178         (print_call_name): New flags arg; update all dump calls.
6179         * diagnostic.h (print_call_name): Update.
6180         * gimple-pretty-print.c (dump_gimple_call): Update.
6181
6182 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
6183
6184         PR target/40470
6185         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
6186
6187 2009-06-18  Diego Novillo  <dnovillo@google.com>
6188
6189         * doc/plugins.texi: Document plugin_is_GPL_compatible.
6190         * plugin.c (str_license): Declare.
6191         (try_init_one_plugin): Assert that the symbol
6192         'plugin_is_GPL_compatible' exists.
6193
6194 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
6195
6196         * see.c: Remove.
6197         * Makefile.in (OBJS-common): Remove see.o.
6198         (see.o): Remove.
6199         * common.opt (fsee): Mark as preserved for backward compatibility.
6200         * opts.c (common_handle_option): Add OPT_fsee to the backward
6201         compatibility section.
6202         * passes.c (init_optimization_passes, pass_see): Remove pass.
6203         * timevar.def (TV_SEE): Remove.
6204         * tree-pass.h (pass_see): Remove declaration.
6205         * doc/invoke.texi (-fsee): Remove documentation.
6206
6207 2009-06-18  Martin Jambor  <mjambor@suse.cz>
6208
6209         * tree-sra.c: Include statistics.h
6210         (sra_stats): New variable.
6211         (sra_initialize): Clear sra_stats.
6212         (create_access_replacement): Increment sra_stats.replacements.
6213         (get_access_replacement): Do not return twice.
6214         (analyze_all_variable_accesses): Increment statistics counter by the
6215         number of scalarized aggregates.
6216         (generate_subtree_copies): Increment sra_stats.subtree_copies.
6217         (sra_modify_expr): Increment sra_stats.exprs.
6218         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
6219         (sra_modify_assign): Increment sra_stats.exprs,
6220         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
6221         (perform_intra_sra): Update statistics counters.
6222         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
6223
6224 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
6225
6226         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
6227         (arm_scalar_mode_supported_p): New function.
6228
6229 2009-06-18  Paul Brook  <paul@codesourcery.com>
6230             Sandra Loosemore  <sandra@codesourcery.com>
6231
6232         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
6233         (__extendhfsf2, __truncsfhf2): Define.
6234         * config/arm/fp16.c: New file.
6235         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
6236         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
6237
6238 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
6239
6240         * doc/extend.texi (Half-Precision): New section.
6241         * doc/invoke.texi (Option Summary): List -mfp16-format.
6242         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
6243         * config/arm/arm.opt (mfp16-format=): New.
6244         * config/arm/arm.c: Include intl.h.
6245         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
6246         (TARGET_INVALID_RETURN_TYPE): Redefine.
6247         (TARGET_PROMOTED_TYPE): Redefine.
6248         (TARGET_CONVERT_TO_TYPE): Redefine.
6249         (arm_fp16_format): Define.
6250         (all_fpus): Add entry for neon-fp16.
6251         (fp_model_for_fpu): Likewise.
6252         (struct fp16_format): Declare.
6253         (all_fp16_formats): Define.
6254         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
6255         functions.
6256         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
6257         and no ldrh.
6258         (arm_legitimate_index_p): Treat HFmode like HImode.
6259         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
6260         (coproc_secondary_reload_class): Special-case HFmode.
6261         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
6262         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
6263         (arm_init_fp16_builtins): New.
6264         (arm_init_builtins): Call it.
6265         (arm_invalid_parameter_type): New.
6266         (arm_invalid_return_type): New.
6267         (arm_promoted_type): New.
6268         (arm_convert_to_type).
6269         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
6270         format.
6271         (arm_emit_fp16_const): New function.
6272         (arm_mangle_type): Mangle __fp16 as "Dh".
6273         * config/arm/arm.h (TARGET_VFPD32): Make it know about
6274         FPUTYPE_NEON_FP16.
6275         (TARGET_NEON_FP16): New.
6276         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
6277         (enum fputype): Add FPUTYPE_NEON_FP16.
6278         (enum arm_fp16_format_type): Declare.
6279         (arm_fp16_format): Declare.
6280         (LARGEST_EXPONENT_IS_NORMAL): Define.
6281         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
6282         * config/arm/arm-modes.def (HFmode): Define.
6283         * config/arm/vfp.md: (*movhf_vfp): New.
6284         (extendhfsf2): New.
6285         (truncsfhf2): New.
6286         * config/arm/arm.md: (fpu): Add neon_fp16.
6287         (floatsihf2, floatdihf2): New.
6288         (fix_trunchfsi2, fix_trunchfdi2): New.
6289         (truncdfhf2): New.
6290         (extendhfdf2): New.
6291         (movhf): New.
6292         (*arm32_movhf): New.
6293         (*thumb1_movhf): New.
6294         (consttable_2): Add check for HFmode constants.
6295         (consttable_4): Handle HFmode constants.
6296
6297 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
6298
6299         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
6300
6301 2009-06-17  Olivier Hainque  <hainque@adacore.com>
6302
6303         * collect2.c (main): Use CONST_CAST2 to perform char ** to
6304         const char ** conversion in AIX specific section.
6305
6306 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
6307
6308         * config/i386/i386.c (ix86_special_builtin_type): Remove
6309         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
6310         (bdesc_special_args): Updated.
6311         (ix86_init_mmx_sse_builtins): Likewise.
6312         (ix86_expand_special_args_builtin): Likewise.
6313
6314 2009-06-17  Richard Henderson  <rth@redhat.com>
6315
6316         * tree-pretty-print.c (maybe_dump_asm_name): New.
6317         (dump_decl_name): Use it.
6318         (PRINT_FUNCTION_NAME): Merge into...
6319         (dump_function_name): ... here.  Use maybe_dump_asm_name.
6320
6321 2009-06-17  Cary Coutant  <ccoutant@google.com>
6322
6323         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
6324         Change caller.
6325         * debug.c (struct gcc_debug_hooks): Change placeholder for
6326         source_line hook.
6327         (debug_nothing_int_charstar_int): Replaced by...
6328         (debug_nothing_int_charstar_int_bool): ...this.
6329         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
6330         source_line prototype.
6331         (debug_nothing_int_charstar_int): Replaced by...
6332         (debug_nothing_int_charstar_int_bool): ...this.
6333         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
6334         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
6335         Output is_stmt operand when necessary.
6336         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
6337         (notice_source_line): Add is_stmt parameter.
6338         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
6339         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
6340         Change callers.
6341         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
6342         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
6343
6344 2009-06-17  Ian Lance Taylor  <iant@google.com>
6345
6346         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
6347         Change all uses.
6348         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
6349         call uses.
6350
6351 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
6352
6353         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
6354         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
6355         tree_strip_sign_nop_conversions and
6356         tree_ssa_strip_useless_type_conversions rather than stripping
6357         the operations here.
6358         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
6359         Declare them.
6360         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
6361         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
6362         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
6363         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
6364         functions.
6365
6366 2009-06-17  Michael Eager  <eager@eagercon.com>
6367
6368         * config/rs6000/constraints.md (register_constraint "d"): New.
6369         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
6370         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
6371         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
6372         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
6373         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
6374         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
6375         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
6376         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
6377         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
6378         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
6379         __fctiwz): Same.
6380         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
6381         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
6382         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
6383         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
6384         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
6385         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
6386         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
6387         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
6388         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
6389         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
6390         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
6391         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
6392         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
6393         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
6394
6395 2009-06-16  Ian Lance Taylor  <iant@google.com>
6396
6397         * profile.c (total_num_never_executed): Don't define.
6398         (compute_branch_probabilities): Don't count or print
6399         num_never_executed.
6400         (init_branch_prob): Don't set total_num_never_executed.
6401         (end_branch_prob): Don't print total_num_never_executed.
6402
6403 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
6404
6405         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
6406
6407 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
6408
6409         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
6410         (nabstd2_fpr): Same.
6411
6412 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
6413
6414         * expr.c (expand_assignment): Change complex type check.
6415
6416 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
6417
6418         * doc/plugins.texi (Building GCC plugins): Added new section.
6419
6420 2009-06-17  Ian Lance Taylor  <iant@google.com>
6421
6422         * c-pch.c (get_ident): Don't set size of templ array.
6423         (pch_init): Don't set size of partial_pch array.
6424
6425         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
6426         string constant to intialize an array whose size is the length of
6427         the string.
6428
6429 2009-06-17  Richard Guenther  <rguenther@suse.de>
6430
6431         PR tree-optimization/40389
6432         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
6433         to addressable types.
6434         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
6435
6436 2009-06-17  Richard Guenther  <rguenther@suse.de>
6437
6438         PR middle-end/40460
6439         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
6440         if there is no evolution of left in the loop bail out.
6441         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
6442         chrec_fold_multiply.
6443
6444 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
6445             Janis Johnson  <janis187@us.ibm.com>
6446
6447         PR target/39254
6448         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
6449         for the symbol ref of a constant that is the source of a move
6450         - nor for any other not-obvious-label-ref constants.
6451
6452 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
6453
6454         * plugin.c (position_pass): Skip newly inserted pass during list
6455         traversal to avoid repeated insertion.
6456
6457 2009-06-16  Ian Lance Taylor  <iant@google.com>
6458
6459         * vec.h (VEC_stack_alloc): Define different version if
6460         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
6461         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
6462         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
6463         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6464
6465 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
6466
6467         * config.gcc (extra_headers): Add ia32intrin.h for x86.
6468
6469         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
6470         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
6471         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
6472         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
6473         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
6474         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
6475         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
6476         (bdesc_special_args): Add __builtin_ia32_rdtsc and
6477         __builtin_ia32_rdtscp.
6478         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
6479         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
6480         and __builtin_ia32_rorhi.
6481         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
6482         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
6483         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
6484         (ix86_expand_args_builtin): Likewise.
6485         (ix86_expand_special_args_builtin): Likewise.
6486
6487         * config/i386/i386.md (UNSPECV_RDTSCP): New.
6488         (UNSPECV_RDTSC): Likewise.
6489         (UNSPECV_RDPMC): Likewise.
6490         (*bsr): Renamed to ...
6491         (bsr): This
6492         (*bsr_rex64): Renamed to ...
6493         (bsr_rex64): This.
6494         (rdpmc): New.
6495         (*rdpmc): Likewise.
6496         (*rdpmc_rex64): Likewise.
6497         (rdtsc): Likewise.
6498         (*rdtsc): Likewise.
6499         (*rdtsc_rex64): Likewise.
6500         (rdtscp): Likewise.
6501         (*rdtscp): Likewise.
6502         (*rdtscp_rex64): Likewise.
6503
6504         * config/i386/ia32intrin.h: New.
6505
6506         * config/i386/x86intrin.h: Include <ia32intrin.h>.
6507
6508 2009-06-16  Ian Lance Taylor  <iant@google.com>
6509
6510         * ira-build.c (copy_info_to_removed_store_destinations):
6511         Initialize parent_a.
6512
6513 2009-06-16  Ian Lance Taylor  <iant@google.com>
6514
6515         * c-decl.c (grokdeclarator): Change size_varies to bool.
6516
6517 2009-06-16  Ian Lance Taylor  <iant@google.com>
6518
6519         * sel-sched.c: Make forward declarations of move_op_hooks and
6520         fur_hooks explicitly extern.
6521
6522 2009-06-16  Ian Lance Taylor  <iant@google.com>
6523
6524         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
6525         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
6526
6527 2009-06-16  Ian Lance Taylor  <iant@google.com>
6528
6529         * resource.c (mark_referenced_resources): Change
6530         include_delayed_effects parameter to bool.  Change all callers.
6531         (mark_end_of_function_resources): Likewise.
6532         * reorg.c (insn_references_resource_p): Likewise.
6533         (insn_sets_resource_p): Likewise.
6534         * resource.h (mark_referenced_resources): Update declaration.
6535         (mark_end_of_function_resources): Update declaration.
6536
6537 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
6538
6539         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
6540
6541 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
6542
6543         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
6544         GCC can bootstrap on AIX with GNU Binutils 2.20.
6545
6546 2009-06-16  Ian Lance Taylor  <iant@google.com>
6547
6548         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
6549
6550 2009-06-16  Ian Lance Taylor  <iant@google.com>
6551
6552         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
6553         inline, not extern inline.
6554         (exact_log2): Likewise.
6555         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
6556         test CLZ_HWI.
6557         (exact_log2): Likewise, but don't test CTZ_HWI.
6558
6559 2009-06-16  Ian Lance Taylor  <iant@google.com>
6560
6561         * bitmap.c (bitmap_clear): Don't declare as inline.
6562         * gimple.c (gimplify_assign): Likewise.
6563         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
6564         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
6565         (sched_scan_info): Remove duplicate definition.
6566
6567 2009-06-16  Ian Lance Taylor  <iant@google.com>
6568
6569         * c-common.c (skip_evaluation): Don't define.
6570         (c_inhibit_evaluation_warnings): Define global variable.
6571         (overflow_warning): Check c_inhibit_evaluation_warnings rather
6572         than skip_evaluation.
6573         (convert_and_check, warn_for_div_by_zero): Likewise.
6574         * c-common.h (skip_evaluation): Don't declare.
6575         (c_inhibit_evaluation_warnings): Declare.
6576         * c-parser.c (c_parser_typeof_specifier): Set
6577         c_inhibit_evaluation_warnings rather than skip_evaluation.
6578         (c_parser_conditional_expression): Likewise.
6579         (c_parser_binary_expression): Likewise.
6580         (c_parser_sizeof_expression): Likewise.
6581         (c_parser_alignof_expression): Likewise.
6582         * c-typeck.c (build_indirect_ref): Check
6583         c_inhibit_evaluation_warnings rather than skip_evaluation.
6584         (build_conditional_expr, build_binary_op): Likewise.
6585
6586 2009-06-16  Richard Guenther  <rguenther@suse.de>
6587
6588         * tree-ssa-alias.c (is_escape_site): Remove.
6589         * tree-ssa-alias.h (enum escape_type): Remove.
6590         (is_escape_site): Likewise.
6591         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
6592         via casts and asms without deferring to is_escape_site.
6593
6594 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
6595
6596         PR middle-end/40446
6597         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
6598         use gen_lowpart if op0 has complex mode.
6599
6600 2009-06-16  Richard Guenther  <rguenther@suse.de>
6601
6602         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
6603         variables add them to ESCAPED.
6604         (find_func_aliases): Do not make all indirectly stored values escaped.
6605
6606 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
6607
6608         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
6609         make_decl_one_only.
6610
6611 2009-06-16  Martin Jambor  <mjambor@suse.cz>
6612
6613         PR tree-optimization/40432
6614         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
6615         check whether we need to force gimple register operand.
6616
6617 2009-06-16  Martin Jambor  <mjambor@suse.cz>
6618
6619         PR tree-optimization/40413
6620         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
6621         build_ref_for_offset.
6622         (propagate_subacesses_accross_link): Fix a typo in a comment.
6623
6624 2009-06-16  Ira Rosen  <irar@il.ibm.com>
6625
6626         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
6627         with additional parameter.
6628         * tree-vectorizer.h (enum vect_def_type): Add new value
6629         vect_nested_cycle.
6630         (enum vect_relevant): Add comments.
6631         (vect_is_simple_reduction): Add new argument.
6632         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
6633         Detect nested cycles.
6634         (vect_is_simple_reduction): Update documentation, add an argument to
6635         distinguish inner-loop reduction from nested cycle, detect nested
6636         cycles, fix printings and indentation, don't swap operands in case
6637         of nested cycle.
6638         (get_initial_def_for_reduction): Handle subtraction.
6639         (vect_create_epilog_for_reduction): Add new argument to specify
6640         reduction variable.
6641         (vect_finalize_reduction): Handle subtraction, fix comments.
6642         (vectorizable_reduction): Handle nested cycles. In case of nested
6643         cycle keep track of the reduction variable position. Call
6644         vect_is_simple_reduction with additional parameter. Use original
6645         statement code in reduction epilogue for nested cycle. Call
6646         vect_create_epilog_for_reduction with additional parameter.
6647         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
6648         inner-loop vectorization.
6649         (vect_recog_widen_sum_pattern): Likewise.
6650         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
6651         and reductions.
6652         (vect_mark_stmts_to_be_vectorized): Likewise.
6653         (vect_get_vec_def_for_operand): Handle nested cycles.
6654
6655 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6656
6657         * doc/invoke.texi (Debugging Options): Fix option index entries
6658         for -fdump-statistics, -frandom-seed add entries for
6659         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
6660         (FRV Options): Fix entries for -mTLS, -mtls.
6661         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
6662         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
6663         (M68hc1x Options): Fix @itemx for -mnominmax.
6664         (MCore Options): Fix entry for -mno-lsim.
6665         (MMIX Options): Fix entry for -mabi=mmixware.
6666         (PDP-11 Options): Fix entry for -mbcopy-builtin.
6667
6668 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
6669
6670         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
6671         Mention the plugin mode of gengtype.
6672         * doc/gty.texi (Source Files Containing Type Information): Likewise.
6673         * gengtype.c: Updated copyright.
6674         (plugin_files, nb_plugin_files) Added new static variables.
6675         (measure_input_list) Care about plugin_files.
6676         (write_rtx_next): Added early return in plugin mode.
6677         (create_file): Updated copyright year in generated file. Added
6678         asserts.
6679         (oprintf): Added early return if NULL outf.
6680         (get_output_file_with_visibility): Care of plugin_files.
6681         (get_output_file_name): May return null.
6682         (write_local): Added early return.
6683         (put_mangled_filename): Ditto.
6684         (finish_root_table): Added check for base_files.
6685         (write_roots): Care about null when plugins.
6686         (main): Added plugin mode.
6687
6688 2009-06-15  Ian Lance Taylor  <iant@google.com>
6689
6690         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
6691         * gcov.c (read_count_file): Add braces around variables declared
6692         before label.
6693
6694         * c.opt (Wjump-misses-init): New warning.
6695         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
6696         -Wall and -Wc++-compat if not already set.
6697         (c_common_post_options): Clear warn_jump_misses_init if it was not
6698         set.
6699         * c-decl.c (struct c_binding): Change type field to a union with
6700         new label field.  Make it the first field in the struct.  Update
6701         references to type to use u.type instead.
6702         (struct c_spot_bindings): Define.
6703         (struct c_goto_bindings): Define.
6704         (c_goto_bindings_p): Define, along with VECs.
6705         (struct c_label_vars): Define.
6706         (struct c_scope): Add has_label_bindings field.
6707         (bind_label, set_spot_bindings): New static functions.
6708         (decl_jump_unsafe, update_spot_bindings): New static functions.
6709         (update_label_decls): New static function.
6710         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
6711         Update binding u.label field to shadowed field.
6712         (c_binding_start_stmt_expr): New function.
6713         (c_binding_end_stmt_expr): New function.
6714         (pushdecl): Don't call c_begin_vm_scope.
6715         (make_label): Add defining and p_label_vars parameters.  Change
6716         all callers.
6717         (lookup_label): Correct test for whether a label has not yet been
6718         defined.  Call bind_label rather than bind.
6719         (warn_about_goto): New static function.
6720         (lookup_label_for_goto): New function.
6721         (declare_label): Call bind_label rather than bind.
6722         (check_earlier_gotos): New static function.
6723         (define_label): Don't give errors about jumping into statement
6724         expressions or scopes of variably modified types.  Call
6725         set_spot_bindings and check_earlier_gotos.  Call bind_label
6726         instead of bind.  Don't set label_context_stack_se or
6727         label_context_stack_vm.
6728         (c_get_switch_bindings): New function.
6729         (c_release_switch_bindings): New function.
6730         (c_check_switch_jump_warnings): New function.
6731         (start_function): Don't set label_context_stack_se or
6732         label_context_stack_vm.
6733         (finish_function): Likewise.
6734         * c-typeck.c (label_context_stack_se): Don't define.
6735         (label_context_stack_vm): Don't define.
6736         (c_finish_goto_label): Call lookup_label_for_goto rather than
6737         lookup_label.  Don't give errors about jumping into a statement
6738         expression or the scope of a variably modified type.  Don't set
6739         label_context_stack_se or label_context_stack_vm.
6740         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
6741         fields.  Add bindings field.
6742         (c_start_case): Don't set deleted fields.  Set bindings field.
6743         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
6744         or blocked_vm.  Call c_check_switch_jump_warnings.
6745         (c_finish_case): Don't test blocked_stmt_expr field.  Call
6746         c_release_switch_bindings.
6747         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
6748         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
6749         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
6750         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
6751         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
6752         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
6753         (c_begin_vm_scope, c_end_vm_scope): Don't define.
6754         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
6755         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
6756         (C_DECL_UNJUMPABLE_VM): Don't define.
6757         (C_DECL_UNDEFINABLE_VM): Don't define.
6758         (struct c_label_list): Don't define.
6759         (struct c_label_context_se): Don't define.
6760         (struct c_label_context_vm): Don't define.
6761         (struct c_spot_bindings): Declare.
6762         (c_bindings_start_stmt_expr): Declare.
6763         (c_bindings_end_stmt_expr): Declare.
6764         (lookup_label_for_goto): Declare.
6765         (c_get_switch_bindings, c_release_switch_bindings): Declare.
6766         (c_check_switch_jump_warnings): Declare.
6767         (label_context_stack_se, label_context_stack_vm): Don't declare.
6768         (c_finish_goto_label): Update declaration.
6769         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
6770         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
6771         (Warning Options): Document -Wjump-misses-init.
6772
6773 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
6774
6775         * tree-object-size.c (addr_object_size): Fix a pasto in the last
6776         change.
6777
6778 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
6779
6780         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
6781
6782 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
6783
6784         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
6785
6786 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
6787
6788         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
6789
6790 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
6791
6792         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
6793         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
6794         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
6795         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
6796         * dwarf2asm.c (dw2_force_const_mem): Update call to
6797         make_decl_one_only.
6798         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
6799         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
6800         * langhooks.c (lhd_comdat_group): Remove.
6801         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
6802         * tree.h (DECL_COMDAT_GROUP): New.
6803         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
6804         (tree_decl_with_vis): Add comdat_group. Remove one_only.
6805         (make_decl_one_only): Change signature.
6806         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
6807         make_decl_one_only.
6808         (make_decl_one_only): Change signature.
6809         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
6810
6811 2009-06-15  Richard Guenther  <rguenther@suse.de>
6812
6813         PR middle-end/40439
6814         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
6815
6816 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6817
6818         * tree-ssa-math-opts.c: Remove extra divide.
6819
6820 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6821
6822         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
6823
6824 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6825
6826         * passes.c: Add bswap pass.
6827         * tree-pass.h: Add pass_optimize_bswap declaration.
6828         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
6829         Include rtl.h, expr.h and optabs.h for optab_handler check.
6830         (struct symbolic_number, pass_optimize_bswap): New definition.
6831         (do_shift_rotate, verify_symbolic_number_p): New functions.
6832         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
6833         (gate_optimize_bswap): New function.
6834         * tree.c (widest_int_cst_value): New function.
6835         * tree.h (widest_int_cst_value): Prototype added.
6836
6837 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
6838
6839         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
6840         REG_EQUAL/REG_EQUIV notes.
6841
6842 2009-06-14  Richard Guenther  <rguenther@suse.de>
6843
6844         PR middle-end/40389
6845         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
6846         has its address taken if NRV was applied and it is addressable.
6847         * tree-ssa-structalias.c (get_constraint_for_address_of): New
6848         function split out from ...
6849         (get_constraint_for_1): ... here.
6850         (handle_rhs_call): Use it to mark the return slot escaped if
6851         it is addressable and NRV was applied.
6852
6853 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
6854
6855         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
6856         Change first argument type to location_t.
6857         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
6858         Do not set input_location.
6859         Use loc instead of input_location throughout.
6860
6861 2009-06-13  Richard Guenther  <rguenther@suse.de>
6862
6863         PR tree-optimization/40421
6864         * tree-predcom.c (should_unroll_loop_p): Remove.
6865         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
6866
6867 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
6868
6869         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6870         Add location argument.
6871
6872 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
6873
6874         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
6875         build_decl.
6876         * config/s390/s390.c (s390_build_builtin_va_list): Same.
6877         (s390_gimplify_va_arg): Pass location to create_artificial_label.
6878         * config/spu/spu-protos.h: Add location to
6879         spu_resolve_overloaded_builtin.
6880         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
6881         spu_build_builtin_va_list.
6882         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
6883         argument.  Pass location to build_function_call_vec.
6884         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
6885         build_decl.
6886         (emit_fpu_switch): Same.
6887         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
6888         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
6889         to build_decl and create_artificial_label.
6890         (xtensa_gimplify_va_arg_expr): Same.
6891         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
6892         (xstormy16_gimplify_va_arg_expr): Same.
6893         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
6894         * config/arm/arm.c (arm_build_builtin_va_list): Same.
6895         * config/mips/mips.c (mips_build_builtin_va_list): Same.
6896         (mips16_build_function_stub): Same.
6897         (mips16_build_call_stub): Same.
6898
6899 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
6900
6901         PR target/40327
6902         * arm/constraints.md (Pa, Pb): New constraints.
6903         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a
6904         split pattern to deal with them.
6905
6906 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
6907
6908         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
6909         fix index entry for -Xpreprocessor.
6910
6911 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
6912
6913         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6914         Add location argument to build_decl call.
6915         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
6916         (rs6000_init_builtins): Same.
6917         (spe_init_builtins): Same.
6918         (rs6000_gimplify_va_arg): Add location argument to
6919         create_artificial_label call.
6920
6921 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
6922
6923         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
6924         * combine-stack-adj.c (pass_stack_adjustments): Use it.
6925         * Makefile.in: Fix GGC dependency for gcse.o.
6926
6927 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
6928
6929         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
6930         * gimple-pretty-print.c (dump_gimple_stmt): Same.
6931         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
6932         created.
6933         * c-parser.c (c_parser_binary_expression): Use current column while
6934         building binary operations.
6935         * common.opt (fshow-column): Enable by default.
6936         * tree-vrp.c (check_array_ref): Use warning_at.
6937         (check_array_bounds): Use location from call back if expr has no
6938         location.
6939         * tree.h: Add location argument to maybe_fold_*.
6940         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
6941         (maybe_fold_offset_to_array_ref): Add location argument and use it.
6942         (maybe_fold_offset_to_component_ref): Same.
6943         (maybe_fold_offset_to_reference): Same.
6944         (maybe_fold_offset_to_address): Same.
6945         (maybe_fold_stmt_indirect): Same.
6946         (maybe_fold_stmt_addition): Same.
6947         (fold_stmt_r): Pass location to maybe_fold_*.
6948         (fold_gimple_assign): Same.
6949         * c-tree.h: Add location argument to finish_decl,
6950         default_function_array_conversion, store_init_value.
6951         * c-decl.c (define_label): Use error_at.
6952         (c_make_fname_decl): Pass location to finish_decl.
6953         (finish_decl): New location argument.
6954         (build_compound_literal): Pass location to store_init_value.
6955         (grokdeclarator): Pass location to finish_decl.
6956         (grokfield): Same.
6957         * c-typeck.c (array_to_pointer_conversion): New location argument.
6958         (function_to_pointer_conversion): Same.
6959         (default_function_array_conversion): Same.
6960         (parser_build_unary_op): Pass location to overflow_warning.
6961         (parser_build_binary_op): Same.  Use warning_at.
6962         (build_unary_op): Pass location to array_to_pointer_conversion.
6963         (build_c_cast): Pass location to digest_init.
6964         (build_modify_expr): New location argument.
6965         (convert_for_assignment): Same.
6966         (store_init_value): Same.
6967         (digest_init): Same.
6968         (output_init_element): Pass location to digest_init and
6969         array_to_pointer_conversion.
6970         (c_finish_return): Pass location to convert_for_assignment.
6971         * gimplify.c (gimplify_conversion): Pass location to
6972         maybe_fold_offset_to_address.
6973         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
6974         to maybe_fold_stmt_addition.
6975         * c-omp.c (c_finish_omp_atomic): Pass new location to
6976         build_modify_expr.
6977         (c_finish_omp_for): Same.
6978         * c-common.c (overflow_warning): New argument.
6979         * c-common.h: New argument to build_modify_expr, overflow_warning.
6980         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
6981         finish_decl.
6982         (c_parser_initializer): Pass location to
6983         default_function_array_conversion.
6984         (c_parser_initelt): Same.
6985         (c_parser_initval): Same.
6986         (c_parser_asm_operands): Same.
6987         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
6988         (c_parser_conditional_expression): Same.
6989         (c_parser_binary_expression): Add location info to stack.  Use it.
6990         (c_parser_unary_expression): Pass location to
6991         default_function_array_conversion, parser_build_unary_op,
6992         build_indirect_ref, c_parser_postfix_expression_after_primary.
6993         (c_parser_postfix_expression_after_primary): New location argument.
6994         Use it.
6995         (c_parser_expression_conv): Pass location to
6996         default_function_array_conversion.
6997         (c_parser_expr_list): Same.
6998         (c_parser_omp_atomic): Same.
6999         (c_parser_omp_for_loop): Same.
7000         * c-tree.h: (struct c_declarator): Add comment to id_loc.
7001         (build_array_declarator): New argument.
7002         * c-decl.c (build_array_declarator): Add location argument.
7003         (grokdeclarator): Set id_loc for cdk_array.
7004         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
7005         build_array_declarator.
7006         * tree.c (build_omp_clause): Add location argument.
7007         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
7008         (OMP_CLAUSE_LOCATION): New macro.
7009         (struct tree_omp_clause): Add location field.
7010         (build_omp_clause): Add argument.
7011         * testsuite/gcc.dg/gomp/for-1.c: Fix column.
7012         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
7013         build_omp_clause.
7014         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
7015         (cp_parser_omp_clause_collapse): Same.
7016         (cp_parser_omp_clause_default): Same.
7017         (cp_parser_omp_clause_if): Same.
7018         (cp_parser_omp_clause_nowait): Same.
7019         (cp_parser_omp_clause_num_threads): Same.
7020         (cp_parser_omp_clause_ordered): Same.
7021         (cp_parser_omp_clause_schedule): Same.
7022         (cp_parser_omp_clause_untied): Same.
7023         (cp_parser_omp_for_loop): Same.
7024         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
7025         * c-tree.h (c_start_case): Add location argument.
7026         (c_process_expr_stmt): Same.
7027         (c_finish_goto_*): Same.
7028         * tree-parloops.c (initialize_reductions): Pass location to
7029         build_omp_clause.
7030         (create_parallel_loop): Same.
7031         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
7032         (gfc_trans_omp_reduction_list): Same.
7033         (gfc_trans_omp_clauses): Same.
7034         (gfc_trans_omp_do): Same.
7035         * c-typeck.c (c_finish_goto_label): Same.
7036         (c_finish_goto_ptr): New location argument.
7037         (c_start_case): Same.
7038         (emit_side_effect_warnings): Same.
7039         (c_process_expr_stmt): Same.
7040         (c_finish_stmt_expr): Same.
7041         (c_finish_omp_clauses): Use error_at instead of error.
7042         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
7043         build_omp_clause.
7044         * c-omp.c (c_split_parallel_clauses): New location argument.
7045         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
7046         to build_omp_clause.
7047         (convert_local_reference_stmt): Same.
7048         (convert_gimple_call): Same.
7049         * c-common.h (c_split_parallel_clauses): New argument.
7050         * c-parser.c (c_parser_statement_after_labels): Pass location to
7051         c_finish_goto_label.
7052         (c_parser_switch_statement): Pass location to c_start_case.
7053         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
7054         and c_process_expr_stmt.
7055         (c_parser_omp_variable_list): Add location argument.
7056         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
7057         (c_parser_omp_clause_default): Same.
7058         (c_parser_omp_clause_if): Same.
7059         (c_parser_omp_clause_num_threads): Same.
7060         (-c_parser_omp_clause_ordered): Same.
7061         (c_parser_omp_clause_reduction): Pass location to
7062         c_parser_omp_variable_list.
7063         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
7064         (c_parser_omp_clause_untied): Same.
7065         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
7066         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
7067
7068         * c-tree.h (check_for_loop_decls, undeclared_variable,
7069         build_component_ref, build_array_ref, build_external_ref,
7070         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
7071         build_conditional_expr, build_compound_expr, c_cast_expr,
7072         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
7073         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
7074         argument.
7075         * c-semantics.c (build_stmt): Same.
7076         (build_case_label): Same.
7077         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
7078         (undeclared_variable): New argument.
7079         (make_label): Same.
7080         (lookup_label): Pass location on down.
7081         (define_label): Same.
7082         (finish_decl): Same.
7083         (build_compound_literal): Same.
7084         (finish_struct): Same.
7085         (finish_function): Do not set location here.
7086         (check_for_loop_decls): New argument.
7087         * tree.c (save_expr): Set location.
7088         (build_empty_stmt): New argument.
7089         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
7090         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
7091         * builtins.c (gimplify_va_arg_expr): Use locations.
7092         (expand_builtin_sync_operation): Same.
7093         * c-typeck.c (build_component_ref): New argument.
7094         (build_array_ref): Same.
7095         (build_external_ref): Same.
7096         (c_expr_sizeof_expr): Same.
7097         (c_expr_sizeof_type): Same.
7098         (parser_build_unary_op): Same.
7099         (build_conditional_expr): Same.
7100         (build_compound_expr): Pass location on down.
7101         (build_compound_expr): New argument.
7102         (build_c_cast): Same.
7103         (c_cast_expr): Same.
7104         (build_asm_expr): Same.
7105         (c_finish_return): Same.
7106         (c_process_expr_stmt): Pass location on down.
7107         (c_finish_stmt_expr): New argument.
7108         (push_clenaup): Same.
7109         (c_finish_omp_parallel): Same.
7110         (c_finish_omp_task): Same.
7111         * gimplify.c (gimplify_call_expr): Pass location on down.
7112         * c-omp.c (c_finish_omp_master): New argument.
7113         (c_finish_omp_critical): Same.
7114         (c_finish_omp_ordered): Same.
7115         (c_finish_omp_barrier): Same.
7116         (-c_finish_omp_taskwait): Same.
7117         (c_finish_omp_atomic): Same.
7118         (c_finish_omp_flush): Same.
7119         * tree-inline.c (copy_tree_body_r): Pass location on down.
7120         (inline_forbidden_p): Remove use of input_location.
7121         * c-gimplify.c (c_build_bind_expr): New argument.
7122         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
7123         (c_sizeof_or_alignof_type): New argument.
7124         (c_alignof_expr): Same.
7125         (build_va_arg): Same.
7126         (c_add_case_label): Same.
7127         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
7128         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
7129         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
7130         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
7131         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
7132         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
7133         New argument.
7134         * stub-objc.c (objc_build_selector_expr): Same.
7135         (objc_build_throw_stmt): Same.
7136         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
7137         (c_parser_initelt): Same.
7138         (c_parser_compound_statement): Same.
7139         (c_parser_compound_statement_nostart): Same.
7140         (c_parser_label): Same.
7141         (c_parser_statement_after_labels): Same.
7142         (c_parser_if_body): Same.
7143         (c_parser_else_body): Same.
7144         (c_parser_if_statement): Same.
7145         (c_parser_switch_statement): Same.
7146         (c_parser_while_statement): Same.
7147         (c_parser_do_statement): Same.
7148         (c_parser_for_statement): Same.
7149         (c_parser_asm_statement): Same.
7150         (c_parser_conditional_expression): Same.
7151         (c_parser_binary_expression): Same.
7152         (c_parser_cast_expression): Same.
7153         (c_parser_unary_expression): Same.
7154         (c_parser_sizeof_expression): Same.
7155         (c_parser_alignof_expression): Same.
7156         (c_parser_postfix_expression): Same.
7157         (c_parser_expression): Same.
7158         (c_parser_objc_receiver): Same.
7159         (c_parser_omp_variable_list): Same.
7160         (c_parser_omp_structured_block): Same.
7161         (c_parser_omp_atomic): New argument.
7162         (c_parser_omp_barrier): Same.
7163         (c_parser_omp_critical): Same.
7164         (c_parser_omp_flush): Pass location on down.
7165         (c_parser_omp_for_loop): New argument.
7166         (c_parser_omp_for): Same.
7167         (c_parser_omp_master): Same.
7168         (c_parser_omp_ordered): Same.
7169         (c_parser_omp_sections_scope): Same.
7170         (c_parser_omp_sections): Same.
7171         (c_parser_omp_parallel): Same.
7172         (c_parser_omp_single): Same.
7173         (c_parser_omp_task): Same.
7174         (c_parser_omp_taskwait): Pass location on down.
7175         (c_parser_omp_construct): Same.
7176         (c_parser_omp_threadprivate): Same.
7177         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
7178         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
7179         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
7180         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
7181         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
7182         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
7183         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
7184         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
7185         config/i386/i386.c, stmt.c:
7186         Add location argument to the following function definitions and/or
7187         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
7188         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
7189         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
7190         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
7191         do_case, c_finish_bc_stmt, build_compound_literal,
7192         build_function_call.
7193         * c-decl.c (build_compound_literal): Add location argument.
7194         Make all diagnostic calls use location.
7195         (start_struct): Same.
7196         (finish_struct): Same.
7197         (start_enum): Same.
7198         (build_enumerator): Same.
7199         (start_function): Same.
7200         (grokdeclarator): Make all diagnostic calls use location.
7201         (store_parm_decls_oldstyle): Same.
7202         * c-typeck.c (build_function_call): Add location argument.
7203         Make all diagnostic calls use location.
7204         (do_case): Same.
7205         (c_finish_bc_stmt): Same.
7206         * tree-nested.c (get_trampoline_type): Add argument.
7207         Pass location to build_decl.
7208         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
7209         * rtl.h (RTL_LOCATION): New.
7210         * c-common.c (c_add_case_label): Add location argument.
7211         Make all diagnostic calls use location.
7212         * c-common.h: Add location argument to make_fname_decl, do_case,
7213         c_add_case_label, build_function_call, resolve_overloaded_builtin.
7214         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
7215         Set it appropriately for every case.  Pass enum_loc to start_enum
7216         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
7217         parser_xref_tag.
7218         (c_parser_struct_or_union_specifier): Save location.  Use it for
7219         start_struct, finish_struct, and parser_xref_tag.
7220
7221 2009-06-12  Ian Lance Taylor  <iant@google.com>
7222
7223         * fold-const.c (fold_unary): Rename local variable and to and_expr.
7224
7225         * c-opts.c (c_common_handle_option): For -Wc++-compat set
7226         cpp_opts->warn_cxx_operator_names.
7227
7228 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7229
7230         PR tree-opt/38865
7231         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
7232         is returns NULL and OP is a VCE, look through the VCE.
7233
7234 2009-06-12  Ian Lance Taylor  <iant@google.com>
7235
7236         PR bootstrap/40430
7237         * collect2.c (main): Use CONST_CAST2 in code inside #if
7238         LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.
7239
7240 2009-06-12  Joey Ye  <joey.ye@intel.com>
7241
7242         PR middle-end/39146
7243         * cfgexpand.c (get_decl_align_unit): Update
7244         max_used_stack_slot_alignment with align instead of
7245         stack_alignment_needed.
7246
7247         * function.c (assign_stack_local_1): Update
7248         max_used_stack_slot_alignment with alignment_in_bits instead
7249         of stack_alignment_needed.
7250         (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
7251         here.
7252
7253 2009-06-12  Jakub Jelinek  <jakub@redhat.com>
7254
7255         * dwarf2out.c (last_var_location_insn): New variable.
7256         (dwarf2out_end_epilogue): Clear last_var_location_insn.
7257         (dwarf2out_var_location): Don't record anything after last real
7258         insn.  Only change labels if there were any real instructions
7259         in between last note and this one, or if changed sections.
7260
7261 2009-06-11  Richard Henderson  <rth@redhat.com>
7262
7263         * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
7264         note when storing the frame pointer in a register.
7265         (FRP): Don't redefine to nothing for epilogue.
7266         (alpha_expand_epilogue): Mark register and sp restores.
7267         (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.
7268
7269         * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
7270         when gen_lowpart is needed.
7271
7272 2009-06-11  Richard Henderson  <rth@redhat.com>
7273
7274         * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.
7275
7276         * dwarf2out.c (need_data_align_sf_opcode): New.
7277         (div_data_align): Move earlier.
7278         (def_cfa_1, reg_save): Use it.
7279
7280 2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>
7281
7282         * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
7283         (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
7284         (ix86_handle_option): Handle OPT_mcrc32.
7285         (ix86_target_string): Add -mcrc32.
7286         (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
7287
7288         * config/i386/i386.h (TARGET_CRC32): New.
7289
7290         * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
7291         (sse4_2_crc32di): Likewise.
7292
7293         * config/i386/i386.opt (mcrc32): New.
7294
7295         * doc/invoke.texi: Document -mcrc32.
7296
7297 2009-06-11  Richard Henderson  <rth@redhat.com>
7298
7299         * common.opt (gdwarf-): Accept a version number.
7300         * doc/invoke.texi (gdwarf-): Update docs.
7301         * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
7302         * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
7303         version level, and record it.
7304
7305         * dwarf2.h (DW_CIE_VERSION): Remove.
7306         * dwarf2out.c (DWARF_VERSION): Remove.
7307         (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
7308         (output_call_frame_info): Use CIE version 3 for dwarf3,
7309         or if the return register column is out of range for version 1.
7310         (dwarf_stack_op_name): Add all dwarf3 values.
7311         (DEBUG_PUBTYPES_SECTION): New.
7312         (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
7313         encoding change for dwarf3.
7314         (output_die) [dw_val_class_die_ref]: Likewise.
7315         (output_compilation_unit_header): Emit correct version for dwarf3.
7316         (output_line_info): Likewise.
7317         (output_pubnames): Update for DWARF_VERSION removal.
7318         (output_aranges): Likewise.
7319         (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
7320         (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
7321         (dwarf2out_finish): Likewise.
7322
7323 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
7324
7325         * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
7326         in r148403.
7327
7328 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
7329
7330         PR c/39252
7331         * doc/extend.texi ( __builtin_unreachable): Document new builtin.
7332         * builtins.c (expand_builtin_unreachable): New function.
7333         (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
7334         * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
7335         * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
7336         successors.
7337         * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
7338         searching for missing barriers.
7339
7340 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
7341
7342         * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
7343         when -fprofile-generate* was passed.
7344         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
7345
7346 2009-06-11  Anthony Green  <green@moxielogic.com>
7347
7348         * config/moxie/moxie.md: Define length attribute for all instructions.
7349         (rCC): Define.
7350         (*b<cond:code>): Support limited branch ranges for new PC-relative
7351         branch instructions.
7352         * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.
7353
7354 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
7355
7356         * config/i386/i386.c (min_insn_size): Use get_attr_length
7357         for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
7358         For __asm return 0.
7359
7360         * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
7361         instead of emit_insn_before.
7362
7363 2009-06-10  Ian Lance Taylor  <iant@google.com>
7364
7365         PR bootstrap/40408
7366         * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
7367         GIMPLE_SWITCH.
7368
7369 2009-06-10  Revital Eres  <eres@il.ibm.com>
7370
7371         * passes.c (init_optimization_passes): Reschedule
7372         predictive-commoning pass before complete unroll pass.
7373
7374 2009-06-10  Martin Jambor  <mjambor@suse.cz>
7375
7376         * cgraph.c (cgraph_node_can_be_local_p): New function.
7377         (cgraph_make_node_local): New function.
7378         * cgraph.h (cgraph_node_can_be_local_p): Declare.
7379         (cgraph_make_node_local): Declare.
7380
7381 2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>
7382
7383         * tree.h (tree_base): Add packed_flag and user_align fields.
7384         Decrease size of spare field.
7385         (TYPE_USER_ALIGN): Use user_align from tree_base.
7386         (DECL_USER_ALIGN): Likewise.
7387         (TYPE_PACKED): Use packed_flag from tree_base.
7388         (DECL_PACKED): Likewise.
7389         (tree_type): Delete packed_flag and user_align fields.  Widen
7390         precision field.  Widen mode field and shuffle fields to align
7391         mode on an 8-bit boundary.
7392         (tree_decl_common): Delete decl_flag_1 and user_align fields.
7393         Renumber decl_flag_* fields.  Fix comments.  Widen
7394         decl_common_unused field.
7395         (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
7396         (DECL_EXTERNAL): Likewise.
7397         (DECL_BIT_FIELD): Likewise.
7398         (DECL_NONADDRESSABLE_P): Likewise.
7399         (TYPE_DECL_SUPRESS_DEBUG): Likewise.
7400         * config/arm/arm-modes.def (XImode): Make it an INT_MODE.
7401
7402 2009-06-10  Ian Lance Taylor  <iant@google.com>
7403
7404         * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
7405         (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
7406         (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
7407         (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
7408         (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
7409         DEF_VEC_ALLOC_FUNC_P.
7410         (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
7411         (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
7412         DEF_VEC_ALLOC_FUNC_O.
7413         (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
7414         (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
7415         DEF_VEC_ALLOC_FUNC_I.
7416         (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
7417         (vec_stack_p_reserve_exact_1): Declare.
7418         (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
7419         (vec_stack_free): Declare.
7420         (VEC_stack_alloc): Define.
7421         (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
7422         (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
7423         (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
7424         * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
7425         for void_p.
7426         (stack_vecs): New static variable.
7427         (vec_stack_p_reserve_exact_1): New function.
7428         (vec_stack_o_reserve_1): New static function.
7429         (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
7430         (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
7431         (vec_stack_free): New function.
7432         * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
7433         (VEC_df_ref_stack_alloc): Define.
7434         (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
7435         DEF_VEC_ALLOC_P_STACK.
7436         (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
7437         (struct df_collection_rec): Change _vec fields to VEC.  Remove
7438         _use fields.
7439         (df_free_collection_rec): Adjust for new fields.
7440         (df_insn_rescan): Use new df_collection_rec fields.
7441         (df_notes_rescan, df_canonize_collection_rec): Likewise.
7442         (df_ref_create_structure, df_ref_record): Likewise.
7443         (df_get_conditional_uses, df_get_call_refs): Likewise.
7444         (df_insn_refs_collect, df_bb_refs_collect): Likewise.
7445         (df_bb_refs_record, df_record_entry_block_defs): Likewise.
7446         (df_record_exit_block_uses, df_bb_verify): Likewise.
7447         (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
7448         (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
7449         Remove count parameter.  Change return type to void.  Change all
7450         callers.
7451         (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
7452         Remove count parameter.  Change return type to void.  Change all
7453         callers.
7454         (df_install_refs): Change old_vec parameter to VEC.  Remove count
7455         parameter.  Change all callers.
7456         (df_install_mws): Change old_vec parameter to VEC.  Remove count
7457         parameter.  Change all callers.
7458         (df_refs_verify): Change new_rec parameter to VEC.  Change call
7459         callers.
7460         (df_mws_verify): Likewise.
7461
7462 2009-06-10  Alexandre Oliva  <aoliva@redhat.com>
7463
7464         * gcc.c (compare_files): Cast munmap argumento to caddr_t.
7465
7466 2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>
7467
7468         * doc/extend.texi: Add description for __builtin_ia32_crc32di.
7469
7470 2009-06-10  Anthony Green  <green@moxielogic.com>
7471
7472         * config/moxie/crti.asm: New file.
7473         * config/moxie/crtn.asm: New file.
7474         * config/moxie/moxie.c: New file.
7475         * config/moxie/moxie.h: New file.
7476         * config/moxie/sfp-machine.h: New file.
7477         * config/moxie/moxie-protos.h: New file.
7478         * config/moxie/t-moxie: Created.
7479         * config/moxie/t-moxie-softfp: Created.
7480         * config/moxie/moxie.md: Created.
7481         * config/moxie/constraints.md: Created.
7482         * config.gcc: Add moxie support.
7483         * doc/md.texi (Machine Constraints): Add moxie constraints.
7484         * doc/contrib.texi (Contributors): Mention moxie port.
7485         * doc/install.texi (Specific): Mention the moxie port.
7486
7487 2009-06-09  Ian Lance Taylor  <iant@google.com>
7488
7489         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
7490         compiling with C++.
7491         * optabs.c (optab_table): Only use designated initializers if
7492         HAVE_DESIGNATED_INITIALIZERS is defined.
7493         (convert_optab_table): Likewise.
7494         (init_optabs): Always call init_insn_codes if
7495         HAVE_DESIGNATED_INITIALIZERS is not defined.
7496
7497 2009-06-09  Ian Lance Taylor  <iant@google.com>
7498
7499         * targhooks.c (default_builtin_vectorized_function): Change fn
7500         parameter to unsigned int.
7501         (default_builtin_vectorized_conversion): Change code parameter to
7502         unsigned int.
7503         (default_builtin_reciprocal): Change fn parameter to unsigned int.
7504         * targhooks.h: Update declarations.
7505         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
7506         parameter to unsigned int.
7507
7508         * c-typeck.c (comptypes_check_enum_int): New static function.
7509         (comptypes_internal): Add enum_and_int_p parameter.  Change all
7510         callers.
7511         (comp_target_types): Add location parameter.  Change all callers.
7512         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
7513         Change all callers.
7514         (function_types_compatible_p, type_lists_compatible_p): Likewise.
7515         (build_conditional_expr): Add colon_loc parameter.  Change all
7516         callers.
7517         (convert_for_assignment): Add location parameter.  Change all callers.
7518         * c-parser.c (c_parser_conditional_expression): Pass location of
7519         colon to build_conditional_expr.
7520         * c-tree.h (build_conditional_expr): Update declaration.
7521
7522 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
7523
7524         * graphite.c: Revert previous patch.
7525
7526 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
7527
7528         PR bootstrap/40103
7529         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
7530
7531 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
7532
7533         * tree-ssa-loop-prefetch.c
7534         (loop_prefetch_arrays): Fixed a portability problem in printf format
7535         string.
7536
7537 2009-06-09  Martin Jambor  <mjambor@suse.cz>
7538
7539         PR tree-optimization/40351
7540         * tree-sra.c (propagate_subacesses_accross_link): Check that a
7541         refrence to a potential artifical subaccess can be constructed.
7542
7543 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
7544
7545         * config/sh/sh-protos.h (sh_optimization_options): Declare.
7546         (sh_override_options): Likewise.
7547         * config/sh/sh.c: Include params.h.
7548         (sh_optimization_options): New.
7549         (sh_override_options): Likewise.
7550         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
7551         (OVERRIDE_OPTIONS): Use sh_override_options.
7552
7553 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
7554
7555         * dwarf2out.c (emit_cfa_remember): New variable.
7556         (add_fde_cfi): If emit_cfa_remember, recurse to add
7557         DW_CFA_remember_state first.
7558         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
7559         instead just set emit_cfa_remember.
7560
7561 2009-06-08  Jan Hubicka  <jh@suse.cz>
7562
7563         PR debug/40126
7564         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
7565
7566 2009-06-08  Jan Hubicka  <jh@suse.cz>
7567
7568         PR middle-end/39834
7569         * cgraphunit.c (save_inline_function_body): Do not copy transform
7570         hooks for saved inline bodies.
7571         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
7572         for given function.
7573
7574 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
7575
7576         * jump.c (returnjump_p): Handle delayed branches.  Add missing
7577         function comment.
7578
7579 2009-06-08  Jan Hubicka  <jh@suse.cz>
7580
7581         PR middle-end/40102
7582         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
7583         original node might've been modified.
7584         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
7585
7586 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
7587
7588         * tree-object-size.c (addr_object_size): Add OSI argument.
7589         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
7590         (compute_builtin_object_size, expr_object_size): Adjust callers.
7591         (plus_stmt_object_size): Call addr_object_size instead of
7592         compute_builtin_object_size.
7593
7594 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
7595             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7596
7597         * tree-ssa-loop-prefetch.c
7598         (gather_memory_references): Introduced a counter for the number of
7599         memory references.
7600         (anything_to_prefetch_p): Introduced a counter for the number of
7601         prefetches.
7602         (is_loop_prefetching_profitable): New function with a cost model
7603         for prefetching.
7604         (loop_prefetch_arrays): Use the new cost model to determine if
7605         prefetching is profitable.
7606         * params.def (MIN_INSN_TO_PREFETCH_RATIO,
7607         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
7608         * params.h (MIN_INSN_TO_PREFETCH_RATIO,
7609         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
7610         * doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO,
7611         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
7612
7613 2009-06-08  Michael Matz  <matz@suse.de>
7614
7615         PR debug/40012
7616         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
7617         partitions use the same.
7618         (expand_one_var): Deal with DECL_RTL sometimes begin set also
7619         for basevars of SSA_NAMEs.
7620         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
7621         to not expand them twice.
7622         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
7623         multiple places.
7624
7625 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
7626
7627         * common.opt (fcompare-debug=, fcompare-debug-second): New.
7628         (fdump-final-insns=, gtoggle): New.
7629         * doc/invoke.texi: Document them.
7630         * final.c (rest_of_clean_state): Dump final insn stream.
7631         * gcc.c (invoke_as): Hook in -fcompare-debug.
7632         (static_spec_functions): Add compare-debug-dump-opt,
7633         compare-debug-self-opt and compare-debug-auxbase-opt.
7634         (compare_debug, compare_debug_second, compare_debug_opt): New.
7635         (switches_debug_check, n_switches_debug_check): New.
7636         (debug_auxbase_opt, debug_check_temp_file): New.
7637         (process_command): Handle -fno-compare-debug, -fcompare-debug and
7638         -fcompare-debug=*.
7639         (do_self_spec): Handle arguments after switches.
7640         (do_spec_1): Add .gk extension to temp file basenames for compare.
7641         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
7642         (cc1_options): Use it instead of normal auxbase computation for
7643         the second compare-debug compilation.
7644         (compare_files): New.
7645         (main): Set up and implement compare debug mode.
7646         (compare_debug_dump_opt_spec_function): New.
7647         (compare_debug_self_opt_spec_function): New.
7648         (compare_debug_auxbase_opt_spec_function): New.
7649         * toplev.c (process_options): Handle flag_gtoggle,
7650         flag_dump_final_insns.
7651         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
7652         during -fcompare-debug-second compilation.
7653
7654 2009-06-07  Ian Lance Taylor  <iant@google.com>
7655
7656         * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
7657         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
7658
7659         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
7660         with no default node.  Change warning with %H to warning_at.
7661         Don't clear warn_switch around case checking.
7662         * doc/invoke.texi (Warning Options): Clarify distinction between
7663         -Wswitch and -Wswitch-enum.
7664
7665 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7666
7667         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
7668
7669 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7670
7671         * gbl-ctors.h: Add header guard.
7672
7673 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7674
7675         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
7676         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
7677         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
7678         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
7679         prototypes for removed functions.
7680         (expressions_equal_p): Move to ...
7681         * tree-ssa-sccvn.h: ... here and ...
7682         * matrix-reorg.c: ... adjust includes.
7683
7684 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7685
7686         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
7687
7688 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7689
7690         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
7691         (finish_function): Remove erroneous whitespace.
7692
7693 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7694
7695         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
7696         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
7697
7698 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7699
7700         * errors.c (internal_error): Commentary typo fix.
7701         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
7702         * tree-ssa-pre.c: Ditto.
7703
7704 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7705
7706         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
7707         them is supposed to hold actual statements.
7708
7709 2009-06-06  Ian Lance Taylor  <iant@google.com>
7710
7711         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
7712         empty statements can now have attributes.
7713
7714 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
7715
7716         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
7717         * config/mips/mips.md: Ditto.
7718
7719 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
7720
7721         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
7722         _RELOCATABLE.
7723         (__eabi_uconvert): Likewise.
7724
7725 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
7726
7727         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
7728         CFI_* definitions with IN_GCC.
7729
7730 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
7731
7732         * xcoffout.h (xcoffout_source_line): Update prototype.
7733
7734 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7735
7736         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
7737         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
7738
7739 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
7740
7741         PR middle-end/40340
7742         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
7743         inlined_function_outer_scope_p blocks for artificial inlines
7744         even at -g0/-g1.
7745         * tree.c (tree_nonartificial_location): Rewrite using
7746         block_nonartificial_location.
7747
7748 2009-06-05  Revital Eres  <eres@il.ibm.com>
7749             Leehod Baruch  <leehod@il.ibm.com>
7750
7751         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
7752         (expand_expr_real_1): Remove comment.
7753         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
7754         Vectorize misaligned access when the target supports it.
7755         (vect_supportable_dr_alignment): Check for unaligned access support.
7756         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
7757         and remove asset.
7758
7759 2009-06-05  Julian Brown  <julian@codesourcery.com>
7760
7761         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
7762         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
7763
7764 2009-06-05  Richard Guenther  <rguenther@suse.de>
7765
7766         PR bootstrap/40350
7767         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
7768         as possibly unused.
7769
7770 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
7771
7772         * config/s390/s390.c (global_not_special_regno_p): New static inline.
7773         (save_gprs): Don't tell unwinder when a global register is saved.
7774         (s390_emit_epilogue): Emit needed epilogue unwind info.
7775
7776 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
7777
7778         * dwarf2out.c (deferred_asm_name): New.
7779         (add_name_and_src_coords_attributes): Defer creation of
7780         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
7781         computed yet.
7782         (move_linkage_attr): New.
7783         (dwarf2out_finish): Revisit deferrals and emit attributes at the
7784         right place.
7785
7786 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
7787
7788         * tree-nested.c (finalize_nesting_tree_1): Declare the
7789         frame_decl in the binding tree.
7790
7791 2009-06-04  Cary Coutant  <ccoutant@google.com>
7792
7793         * basic-block.h (struct basic_block_def): Add discriminator field.
7794         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
7795         callers.
7796         * debug.c (do_nothing_debug_hooks): Add additional entry.
7797         (debug_nothing_int_charstar_int): New function.
7798         * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
7799         (debug_nothing_int_charstar_int): New declaration.
7800         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
7801         discriminator value in .loc directive.
7802         * final.c (last_discriminator): New variable.
7803         (discriminator): New variable.
7804         (final_start_function): Initialize above variables, pass current
7805         discriminator to debug hook.
7806         (notice_source_line): Check for discriminator change.
7807         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
7808         * sdbout.c (sdbout_source_line): New parameter.
7809         * tree-cfg.c (struct locus_discrim_map): New structure type.
7810         (discriminator_per_locus): New hash table.
7811         (build_gimple_cfg): Allocate and free discriminator hash table.
7812         (make_edges): Call assign_discriminator.
7813         (locus_map_hash): New function.
7814         (locus_map_eq): New function.
7815         (next_discriminator_for_locus): New function.
7816         (same_line_p): New function.
7817         (assign_discriminator): New function.
7818         (make_cond_expr_edges): Call assign_discriminator.
7819         (make_gimple_switch_edges): Likewise.
7820         (first_non_label_stmt): New function.
7821         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
7822         all callers.
7823         * xcoffout.c (xcoffout_source_line): Add new parameter.
7824
7825         * configure.ac (gcc_cv_as_discriminator): New configury check for
7826         gas support for discriminator.
7827         * configure: Regenerate.
7828         * config.in: Regenerate.
7829
7830 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7831
7832         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
7833         val after checking for integers.
7834
7835 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
7836
7837         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
7838         X64_REGPARM_MAX.
7839         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
7840         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
7841         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
7842         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
7843         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
7844         X64_SSE_REGPARM_MAX.
7845         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
7846         X64_SSE_REGPARM_MAX.
7847
7848 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
7849
7850         * gcc.c (report_times_to_file): New.
7851         (execute): Implement it.
7852         (process_command): Support -time=.
7853         * doc/invoke.texi: Document it.
7854
7855 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
7856
7857         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
7858         that have value exprs.
7859
7860 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
7861
7862         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
7863         declarations for constants until...
7864         (dw2_output_indirect_constant_1): ... this point.
7865
7866 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
7867
7868         PR target/10242
7869         * arm.md (arm_addsi3): Don't try to split an add with an
7870         eliminable register until after reload has completed.
7871
7872 2009-06-03  Ian Lance Taylor  <iant@google.com>
7873
7874         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
7875         * genattrtab.c (write_length_unit_log): Likewise.
7876         * genchecksum.c (dosum): Likewise.
7877         * gengtype.c (write_rtx_next): Likewise.
7878         (finish_root_table, write_roots): Likewise.
7879         * gimple.c (gimple_ops_offset_): Likewise.
7880         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
7881         * config/arc/arc.c (arc_attribute_table): Likewise.
7882         * config/arm/arm.c (arm_attribute_table): Likewise.
7883         * config/avr/avr.c (avr_attribute_table): Likewise.
7884         * config/crx/crx.c (crx_attribute_table): Likewise.
7885         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
7886         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
7887         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
7888         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
7889         * config/sh/sh.c (sh_attribute_table): Likewise.
7890         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
7891         * config/spu/spu.c (spu_attribute_table): Likewise.
7892         * config/v850/v850.c (v850_attribute_table): Likewise.
7893
7894         * config/alpha/alpha.c (vms_attribute_table): Make static.
7895         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
7896         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
7897         * config/mips/mips.c (mips_attribute_table): Likewise.
7898
7899         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
7900         $(SYSTEM_H).
7901         (cc1-checksum.o): Likewise.
7902
7903 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
7904
7905         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
7906
7907 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
7908
7909         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
7910         insn if it is changing sp.  Use gen_add3_insn instead of
7911         conditionally gen_addsi3 and gen_adddi3.
7912         (offset_below_red_zone_p): New static inline function.
7913         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
7914         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
7915         * config/rs6000/ppc-asm.h: Include auto-host.h.
7916         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
7917         CFI_RESTORE): Define.
7918         * config/rs6000/crtresxgpr.asm: Add unwind info.
7919         * config/rs6000/crtresxfpr.asm: Likewise.
7920         * config/rs6000/crtresgpr.asm: Likewise.
7921         * config/rs6000/crtresfpr.asm: Likewise.
7922         * config/rs6000/crtsavgpr.asm: Likewise.
7923         * config/rs6000/crtsavfpr.asm: Likewise.
7924
7925         * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
7926         argument of DWARF2_FRAME_REG_OUT macros.
7927
7928 2009-06-03  Julian Brown  <julian@codesourcery.com>
7929
7930         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
7931         words or less (including TImode) in core registers.
7932
7933 2009-06-03  Richard Guenther  <rguenther@suse.de>
7934
7935         PR middle-end/40328
7936         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
7937
7938 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
7939
7940         * statistics.c (statistics_counter_event): Do not record event
7941         in pass dump if its number == -1.
7942         (curr_statistics_hash): Add assert that we never get passes
7943         with static number == -1.
7944
7945 2009-06-03  Richard Guenther  <rguenther@suse.de>
7946             Andrey Belevantsev  <abel@ispras.ru>
7947
7948         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only
7949         non-BLKmode arrays addressable.
7950
7951 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
7952
7953         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
7954         * config/m68k/m68k.h: ... here.
7955         * testsuite/gcc.dg/falign-labels.c (dg-options): Don't restrict for
7956         m68k and fido.
7957
7958 2009-06-03  Martin Jambor  <mjambor@suse.cz>
7959
7960         PR tree-optimization/40323
7961         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
7962         assignment.
7963
7964 2009-06-03  Richard Guenther  <rguenther@suse.de>
7965
7966         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
7967         consistently.
7968
7969 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
7970
7971         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
7972         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
7973         JUMP_TABLE_DATA_P where applicable.
7974         * config/sh/sh.c: Ditto.
7975         * config/sh/sh.h: Ditto.
7976         * config/sh/sh.md: Ditto.
7977         * config/sh/symbian.c: Ditto.
7978
7979 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
7980
7981         * config/i386/driver-i386.c (describe_cache): Optimize
7982         concatenation of strings.  Use snprintf instead of sprintf.
7983         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
7984         target when not compiling with GCC.
7985
7986 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
7987
7988         * config/sh/sh.c: Revert last change.
7989         (sh_expand_epilogue): Emit a blockage insn before the frame
7990         pointer adjustment unconditionally.
7991
7992 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
7993
7994         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
7995         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
7996         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
7997         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
7998         to COLLECT_GCC_OPTIONS.
7999
8000 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8001
8002         * collect2.c (target_system_root): New variable.
8003         (main): Handle --sysroot=.
8004         (ignore_library): Strip the sysroot from the library path.
8005
8006 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8007
8008         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
8009         (collect2.o): Depend on collect2-aix.h.
8010         (collect2-aix.o): New rule.
8011         * collect2-aix.h: New file.
8012         * collect2-aix.c: Likewise.
8013         * collect2.c: Include collect2-aix.h.  Don't undefine
8014         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
8015         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
8016         Use TARGET_AIX_VERSION instead of _AIX51.
8017         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
8018         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
8019         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
8020         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
8021         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
8022
8023 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8024
8025         * collect2.c (ignore_library): Avoid premature post-increment
8026         and null deference.
8027
8028 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8029
8030         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
8031         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
8032         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
8033         CROSS_DIRECTORY_STRUCTURE too.
8034         (LINK_LIBG_SPEC): Likewise.
8035         (LIB_SPEC): Add %R to sysroot paths.
8036         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
8037         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
8038         * config/rs6000/aix51.h: As for aix43.h.
8039         * config/rs6000/aix52.h: Likewise.
8040         * config/rs6000/aix53.h: Likewise.
8041         * config/rs6000/aix61.h: Likewise.
8042         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
8043         to the beginning of sysroot paths.
8044
8045 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8046
8047         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
8048         INSN_LISTs that are out of the REG_NOTE range.
8049
8050 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8051
8052         * loop-unroll.c (struct iv_to_split): Add pointer to next.
8053         (struct var_to_expand): Likewise.
8054         (struct opt_info): Add head and tail for linked lists of the above.
8055         (analyze_insn_to_expand_var): Initialize next.
8056         (analyze_iv_to_split_insn): Likewise.
8057         (analyze_insns_in_loop): Create linked lists.
8058         (allocate_basic_variable): Simplify for use without hash table.
8059         (insert_var_expansion_initialization): Likewise, make it type-safer.
8060         (combine_var_copies_in_loop_exit): Likewise.
8061         (apply_opt_in_copies): Walk lists rather than hash tables.
8062         (release_var_copies): Simplified and inlined by hand into...
8063         (free_opt_info): ... this function.
8064
8065 2009-06-02  Richard Guenther  <rguenther@suse.de>
8066
8067         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
8068         for field decls.
8069
8070 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8071
8072         * cfgexpand.c (gimple_expand_cfg): Discard the source location
8073         only for builtins that are not overridden.
8074
8075 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8076
8077         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
8078         label string.
8079
8080 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8081
8082         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
8083
8084 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8085
8086         * combine.c (move_deaths): Compare LUIDs within the same BB only.
8087
8088 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8089
8090         * common.opt (fdump-unnumbered-links): New.
8091         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
8092         * print-rtl.c (flag_dump_unnumbered_links): New.
8093         (print_rtx): Test it.
8094
8095 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
8096
8097         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
8098         push/pop multiple to 8-byte alignment.
8099
8100 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
8101
8102         * config/i386/i386.c (queued_cfa_restores): New static variable.
8103         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
8104         functions.
8105         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
8106         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
8107         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
8108         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
8109         note unconditionally.
8110         (ix86_emit_restore_regs_using_mov): Likewise.
8111         (ix86_emit_restore_sse_regs_using_mov): Likewise.
8112         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
8113         it through to ix86_emit_restore_reg_using_pop.
8114         (ix86_emit_leave): Add RED_OFFSET argument.  Call
8115         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
8116         instead of adding REG_CFA_OFFSET note unconditionally.
8117         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
8118         the above functions.  Call ix86_add_queued_cfa_restore_notes when
8119         needed.
8120
8121         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
8122         force output of the label even for dwarf2out_do_cfi_asm.
8123         (add_fde_cfi): If -g2 and above and cfi might change CFA,
8124         force creation of CFI label and chain DW_CFA_set_loc jumping to it
8125         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
8126         caller.
8127         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
8128         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
8129         dwarf2out_cfi_label callers.
8130         * tree.h (dwarf2out_cfi_label): Adjust prototype.
8131         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
8132         Adjust dwarf2out_cfi_label callers.
8133         * config/vax/vax.c (vax_output_function_prologue): Likewise.
8134
8135         * config/i386/i386.h (struct machine_cfa_state,
8136         struct machine_function): Guard with ifndef USED_FOR_TARGET
8137         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
8138
8139         PR other/40024
8140         * emutls.c (__emutls_get_address): Change arr->size to mean number
8141         of allocated arr->data entries instead of # of slots + 1.
8142
8143         PR middle-end/40316
8144         * recog.c (peep2_reinit_state): New function.
8145         (peephole2_init_state): Use it at the end of a basic block and also
8146         when seeing a RTX_FRAME_RELATED_P insn.
8147
8148 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
8149
8150         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
8151         fixuns_truncrfdi2): New.
8152         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
8153         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
8154         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
8155         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
8156         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
8157         *recip_approx): Remove.
8158         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
8159         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
8160         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
8161         move to div.md.
8162         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
8163         setf_exp_rf): New.
8164
8165 2009-06-01  Ian Lance Taylor  <iant@google.com>
8166
8167         * attribs.c (register_attribute): Use CONST_CAST.
8168         * collect2.c (main): Use CONST_CAST2.
8169         (scan_prog_file): Likewise.
8170         * gcc.c (process_command, main): Likewise.
8171         * toplev.c (toplev_main): Likewise.
8172
8173         * c-typeck.c (handle_warn_cast_qual): New static function,
8174         partially broken out of build_c_cast.
8175         (build_c_cast): Call handle_warn_cast_qual.
8176         * doc/invoke.texi (Warning Options): Document new effect of
8177         -Wcast-qual.
8178
8179 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
8180
8181         * diagnostic.c (diagnostic_build_prefix): Always print columns.
8182         (diagnostic_report_current_module): Print columns.
8183         * common.opt (flag_show_column): Enable by default.
8184
8185 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
8186
8187         * alias.c (find_base_term): Check for NULL term before returning.
8188
8189 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
8190
8191         Revert due to PR40320:
8192         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
8193         * calls.c (emit_library_call_value_1): Don't force_operand for move
8194         and push insns.
8195
8196 2009-06-01  Olivier Hainque  <hainque@adacore.com>
8197             Eric Botcazou  <ebotcazou@adacore.com>
8198
8199         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
8200         to be processed as a bitfield for constructor output purposes.
8201         * output.h (initializer_constant_valid_for_bitfield_p): Declare
8202         new function.
8203         * varasm.c (oc_local_state): New type, output_constructor
8204         local state to support communication with helpers.
8205         (oc_outer_state): New type, output_constructor outer state of
8206         relevance in recursive calls.
8207         (output_constructor_array_range): New output_constructor helper,
8208         extracted code for an array range element.
8209         (output_constructor_regular_field): New output_constructor helper,
8210         extracted code for an element that is not a bitfield.
8211         (output_constructor_bitfield): New output_constructor helper,
8212         extracted code for a bitfield element.  Accept an OUTER state
8213         argument for recursive processing.  Recurse on record or array
8214         CONSTRUCTOR values, possibly past noop conversions.
8215         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
8216         VALUE is a valid constant-valued expression for use in a static
8217         bit-field initializer.
8218         (output_constructor): Rework to use helpers.  Accept and honor an
8219         OUTER state argument for recursive calls.  Return total size.  Be
8220         prepared for nested constructors initializing bitfields.
8221         (output_constant): Feed OUTER in calls to output_constructor.
8222
8223 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
8224
8225         * calls.c (emit_library_call_value_1): Don't force_operand for move
8226         and push insns.
8227
8228 2009-06-01  Nick Clifton  <nickc@redhat.com>
8229
8230         * doc/invoke.texi (IA-64 Options): Fix typo.
8231
8232 2009-06-01  Ira Rosen  <irar@il.ibm.com>
8233
8234         PR tree-optimization/39129
8235         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
8236         printed message.
8237         (vect_do_peeling_for_loop_bound): Use
8238         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
8239         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
8240         (vect_loop_versioning): Likewise.
8241         (vect_create_cond_for_alias_checks): Fix indentation.
8242         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
8243         macros.
8244         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
8245         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
8246         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
8247         "control flow in loop".
8248         (vect_estimate_min_profitable_iters): Use
8249         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
8250         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
8251         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
8252         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
8253         * tree-vect-stmts.c (vectorizable_store): Replace the check that the
8254         statement belongs to a group of strided accesses with the exact code
8255         check.
8256         (vectorizable_load): Likewise.
8257         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
8258         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
8259
8260 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
8261
8262         * config/freebsd-stdint.h: New file.
8263         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
8264         Add freebsd-stdint.h to tm_file.
8265
8266 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
8267
8268         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
8269         (thumb2_extendhidi2): Likewise.
8270
8271 2009-05-31  Ian Lance Taylor  <iant@google.com>
8272
8273         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
8274
8275 2009-05-31  Ian Lance Taylor  <iant@google.com>
8276
8277         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
8278         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
8279         (ipa-reference.o): Depend upon gt-ipa-reference.h.
8280
8281 2009-05-31  Jason Merrill  <jason@redhat.com>
8282
8283         * tree-pretty-print.c (print_call_name): Take the callee, not the
8284         call itself.  Make non-static.  Use dump_function_name for functions.
8285         (dump_generic_node): Adjust.
8286         * diagnostic.h: Declare print_call_name.
8287         * gimple-pretty-print.c (dump_gimple_call): Use it.
8288
8289 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
8290
8291         * config/sh/sh.md (ashldi3_std): New define_expand.
8292         (ashldi3): Use it.
8293
8294 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
8295
8296         PR target/40313
8297         * config/sh/sh.c: Include debug.h.
8298         (sh_expand_epilogue): Emit a blockage insn before the frame
8299         pointer adjustment also when dwarf2out_do_frame returns true.
8300
8301 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
8302
8303         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
8304         (thumb2_extendqidi2): New pattern.
8305
8306 2009-05-31  Ira Rosen  <irar@il.ibm.com>
8307
8308         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
8309         mark phis for renaming.
8310         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
8311         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
8312         Call mark_sym_for_renaming.
8313         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
8314         * tree-vect-loop.c (vect_transform_loop): Remove
8315         vect_memsyms_to_rename initialization and a call to
8316         mark_set_for_renaming.
8317
8318 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
8319
8320         PR middle-end/40304
8321         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
8322         frame related even if !set_cfa && style < 0.
8323
8324 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
8325
8326         * config/i386/mingw-tls.c: New file.
8327         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
8328         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
8329         defining _WIN32 but not __CYGWIN__.
8330
8331 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8332
8333         * configure.ac: Add MPC support.
8334
8335         * config.in, configure: Regenerate.
8336
8337 2009-05-29  Richard Henderson  <rth@redhat.com>
8338
8339         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
8340         NOTE_INSN_BASIC_BLOCK.
8341         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
8342         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
8343         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
8344         to be deleted.
8345         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
8346         add in_use field.
8347         (add_cfi): Disable check redefining cfa away from drap.
8348         (lookup_cfa_1): Add remember argument; handle remember/restore.
8349         (lookup_cfa): Pass remember argument.
8350         (cfa_remember): New.
8351         (compute_barrier_args_size_1): Remove sibcall check.
8352         (dwarf2out_frame_debug_def_cfa): New.
8353         (dwarf2out_frame_debug_adjust_cfa): New.
8354         (dwarf2out_frame_debug_cfa_offset): New.
8355         (dwarf2out_frame_debug_cfa_register): New.
8356         (dwarf2out_frame_debug_cfa_restore): New.
8357         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
8358         (dwarf2out_begin_epilogue): New.
8359         (dwarf2out_frame_debug_restore_state): New.
8360         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
8361         DW_CFA_restore_state.
8362         (output_cfi_directive): Likewise.
8363         (convert_cfa_to_fb_loc_list): Likewise.
8364         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
8365         * dwarf2out.h: Update.
8366         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
8367         (copy_insn_1): Early out for null.
8368         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
8369         and dwarf2out_frame_debug_restore_state.
8370         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
8371         (prologue_insn_hash, epilogue_insn_hash): New.
8372         (free_after_compilation): Adjust freeing accordingly.
8373         (record_insns): Create hash table if needed; push insns into
8374         hash instead of array.
8375         (maybe_copy_epilogue_insn): New.
8376         (contains): Search hash table instead of array.
8377         (sibcall_epilogue_contains): Remove.
8378         (thread_prologue_and_epilogue_insns): Split eh_return insns
8379         and mark them as epilogues.
8380         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
8381         scanning in terms of basic blocks.
8382         * insn-notes.def (CFA_RESTORE_STATE): New.
8383         * jump.c (returnjump_p_1): Accept EH_RETURN.
8384         (eh_returnjump_p_1, eh_returnjump_p): New.
8385         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
8386         CFA_REGISTER, CFA_RESTORE): New.
8387         * rtl.def (EH_RETURN): New.
8388         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
8389
8390         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
8391         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
8392
8393         * config/i386/i386.c (gen_push): Update cfa state.
8394         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
8395         add a CFA_ADJUST_CFA note.
8396         (ix86_dwarf_handle_frame_unspec): Remove.
8397         (ix86_expand_prologue): Update cfa state.
8398         (ix86_emit_restore_reg_using_pop): New.
8399         (ix86_emit_restore_regs_using_pop): New.
8400         (ix86_emit_leave): New.
8401         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
8402         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
8403         * config/i386/i386.h (struct machine_cfa_state): New.
8404         (ix86_cfa_state): New.
8405         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
8406         (eh_return_internal): Merge from eh_return_<mode>,
8407         use eh_return rtx, split w/ epilogue.
8408
8409 2009-05-29  Ian Lance Taylor  <iant@google.com>
8410
8411         * builtins.c (validate_gimple_arglist): Don't use va_arg with
8412         enum type.
8413         * calls.c (emit_library_call_value_1): Likewise.
8414
8415         * c-typeck.c (c_build_va_arg): New function.
8416         * c-tree.h (c_build_va_arg): Declare.
8417         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
8418         instead of build_va_arg.
8419
8420 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
8421
8422         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
8423         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
8424         (ptr_difference_cost): Use affine combinations to compute it.
8425         (difference_cost): Likewise.
8426         (get_computation_cost_at): Compute more accurate cost for addresses
8427         if the ratio is a multiplier allowed in addresses.
8428         For non-addresses, consider that an additional offset or symbol is
8429         added only once.
8430
8431 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
8432
8433         * config/i386/i386.c (ix86_decompose_address): Avoid useless
8434         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
8435
8436         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
8437         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
8438         (prefix_rex): For UNIT_MMX don't imply the prefix by default
8439         if MODE_DI.
8440         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
8441         to 1 for TYPE_SSE{IADD1,CVT1}.
8442         (prefix_vex_imm8): Removed.
8443         (length_vex): Only pass 1 as second argument to
8444         ix86_attr_length_vex_default if prefix_extra is 0.
8445         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
8446         (length): For prefix vex computation use length_immediate
8447         attribute instead of prefix_vex_imm8.
8448         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
8449         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
8450         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
8451         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
8452         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
8453         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
8454         a space in between the operands.
8455         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
8456         if one operand is 0xff and the other one si, di, bp or sp.
8457         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
8458         other one si, di, bp or sp.
8459         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
8460         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
8461         type and mode attributes.
8462         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
8463         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
8464         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
8465         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
8466         prefix_data16 attribute iff MODE_DF.
8467         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
8468         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
8469         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
8470         constm128_operand in length_immediate computation.
8471         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
8472         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
8473         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
8474         length_immediate attribute to 1.
8475         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
8476         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
8477         for certain alternatives.
8478         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
8479         prefix_data16 attribute if MODE_V1DF.
8480         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
8481         length_immediate to 1.
8482         (set_got_rex64, set_rip_rex64): Remove length attribute, set
8483         length_address to 4, set mode attribute to MODE_DI.
8484         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
8485         (fxam<mode>2_i387): Set length attribute to 4.
8486         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
8487         *prefetch_3dnow_rex): Override length_address attribute.
8488         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
8489         attributes.
8490         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
8491         (constm128_operand): Removed.
8492         * config/i386/i386.c (memory_address_length): For
8493         disp && !index && !base in 64-bit mode account for SIB byte if
8494         print_operand_address can't optimize disp32 into disp32(%rip)
8495         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
8496         for fs: or gs: segment.
8497         (ix86_attr_length_immediate_default): When checking if shortform
8498         is possible, truncate immediate to the length of the non-shortened
8499         immediate.
8500         (ix86_attr_length_address_default): Ignore MEM_P operands
8501         with X constraint.
8502         (ix86_attr_length_vex_default): Only check for DImode on
8503         GENERAL_REG_P operands.
8504         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
8505         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
8506         (sse_cvttps2pi): Clear prefix_rep attribute.
8507         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
8508         attribute.
8509         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
8510         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
8511         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
8512         iff operand 2 is const_int_operand.
8513         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
8514         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
8515         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
8516         instead of vex.
8517         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
8518         prefix_data16.
8519         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
8520         prefix_data16 attribute for movlpd and movhpd instructions.
8521         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
8522         length_immediate for shufpd instruction.
8523         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
8524         (avx_cmpp<avxmodesuffixf2c><mode>3,
8525         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
8526         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
8527         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
8528         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
8529         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
8530         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
8531         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
8532         prefix_data16 attribute for the first alternative to 1.
8533         (*avx_loadlps): Override length_immediate for the first alternative.
8534         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
8535         attributes for second alternative.
8536         (*vec_concatv2sf_sse4_1): Override length_immediate and
8537         prefix_data16 attributes for second alternative.
8538         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
8539         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
8540         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
8541         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
8542         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
8543         prefix_data16 and length_immediate to 1.
8544         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
8545         to 1.
8546         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
8547         prefix_extra attribute for variants that don't have 0f prefix alone.
8548         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
8549         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
8550         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
8551         *sse4_1_pextrd): Set length_immediate to 1.
8552         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
8553         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
8554         to 1.
8555         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
8556         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
8557         length_immediate to 1 for second alternative.
8558         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
8559         prefix_extra and length_immediate attributes for the first
8560         alternative.
8561         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
8562         first alternative.
8563         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
8564         to 1 for the first and third alternative.
8565         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
8566         alternative.
8567         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
8568         attribute.
8569         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
8570         attribute to 0.
8571         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
8572         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
8573         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
8574         *avx_psign<mode>3): Set prefix_extra attribute to 1.
8575         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
8576         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
8577         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
8578         ssse3_psign<mode>3): Override prefix_rex attribute.
8579         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
8580         (ssse3_palignrti): Override length_immediate to 1.
8581         (ssse3_palignrdi): Override length_immediate to 1, override
8582         prefix_rex attribute.
8583         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
8584         (sse4a_extrqi): Override length_immediate to 2.
8585         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
8586         (sse4a_insertq): Override prefix_data16 to 0.
8587         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
8588         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
8589         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
8590         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
8591         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
8592         and length_immediate to 1.
8593         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
8594         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
8595         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
8596         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
8597         and length_immediate to 1.
8598         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
8599         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
8600         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
8601         avx_ptest256): Override prefix_extra to 1.
8602         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
8603         Override prefix_data16 and length_immediate to 1.
8604         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
8605         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
8606         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
8607         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
8608         prefix_data16 to 0 and prefix_extra to 2.
8609         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
8610         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
8611         attribute.
8612         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
8613         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
8614         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
8615         and prefix_extra to 2.
8616         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
8617         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
8618         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
8619         avx_vpermilvar<mode>3,
8620         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
8621         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
8622         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
8623         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
8624         Override prefix_extra to 1.
8625         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
8626         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
8627         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
8628         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
8629         prefix_extra and length_immediate to 1.
8630         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
8631         modrm to 0.
8632         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
8633         to 1 for the first alternative.
8634         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
8635         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
8636         cases.
8637         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
8638         *movv2sf_internal_avx, *movv2sf_internal): Override
8639         prefix_rep attribute for certain alternatives.
8640         (*mov<mode>_internal): Override prefix_rep or prefix_data16
8641         attributes for certain alternatives.
8642         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
8643         attributes for certain alternatives.
8644         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
8645         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
8646         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
8647         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
8648         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
8649         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
8650         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
8651         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
8652         length_immediate to 1 if operand 2 is const_int_operand.
8653         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
8654         *vec_extractv2si_1): Set length_immediate attribute to 1.
8655         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
8656         using old 3DNOW insn rather than SSE/3DNOW_A.
8657         (mmx_emms, mmx_femms): Clear modrm attribute.
8658
8659 2009-05-29  Martin Jambor  <mjambor@suse.cz>
8660
8661         * tree-sra.c:  New implementation of SRA.
8662
8663         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
8664         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
8665         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
8666         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
8667         (SRA_MAX_STRUCTURE_COUNT): Removed.
8668         (SRA_FIELD_STRUCTURE_RATIO): Removed.
8669         * doc/invoke.texi (sra-max-structure-size): Removed.
8670         (sra-field-structure-ratio): Removed.
8671
8672 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
8673
8674         PR middle-end/40291
8675         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
8676         before expansion.
8677
8678 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
8679
8680         PR rtl-optimization/40101
8681         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
8682         seqno.  Adjust comment.
8683         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when
8684         inserting bookkeeping before a jump, the jump is not scheduled.
8685         When no positive seqno found, provide a value.  Add comment.
8686
8687 2009-05-29  Richard Guenther  <rguenther@suse.de>
8688
8689         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
8690         short-cutting on the first component.
8691
8692 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
8693
8694         PR middle-end/39958
8695         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
8696         for trees other than decls/types.
8697
8698 2009-05-29  Richard Guenther  <rguenther@suse.de>
8699
8700         * tree-ssa-operands.c (get_expr_operands): Do not handle
8701         INDIRECT_REFs in the handled-component case.  Remove
8702         unused get_ref_base_and_extent case.
8703         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
8704         tree_low_cst and host_integerp where possible.
8705         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
8706         codes for equivalence.
8707         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
8708
8709 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
8710
8711         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
8712         to tmake_file for i[34567]86-*-cygwin*.
8713
8714 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
8715
8716         PR target/40017
8717         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
8718         (altivec_categorize_keyword, init_vector_keywords,
8719         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
8720         similar to bool.
8721
8722 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
8723
8724         * tree.c (handle_dll_attribute): Check if node is
8725         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
8726
8727 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
8728
8729         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
8730         component.
8731         (thumb2_zero_extendqidi2): Likewise.
8732
8733 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8734
8735         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
8736         instead of gen_movrt.
8737         * config/sh/sh.md (movrt): Remove.
8738
8739 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
8740
8741         * doc/invoke.texi (IA-64 Options):
8742         Add -msdata, -mfused-madd, -mno-inline-float-divide,
8743         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
8744         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
8745         -msched-prefer-non-control-spec-insns,
8746         -msched-stop-bits-after-every-cycle,
8747         -msched-count-spec-in-critical-path,
8748         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
8749         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
8750         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
8751         and -msched-spec-verbose.
8752
8753 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
8754
8755         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
8756         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
8757         error if used.
8758         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
8759
8760 2009-05-28  Richard Guenther  <rguenther@suse.de>
8761
8762         * tree-ssa-alias.c (ao_ref_init): New function.
8763         (ao_ref_base): Likewise.
8764         (ao_ref_base_alias_set): Likewise.
8765         (ao_ref_alias_set): Likewise.
8766         (refs_may_alias_p_1): Change signature.
8767         (refs_may_alias_p): Adjust.
8768         (refs_anti_dependent_p): Likewise.
8769         (refs_output_dependent_p): Likewise.
8770         (call_may_clobber_ref_p_1): Change signature.
8771         (call_may_clobber_ref_p): Adjust.
8772         (stmt_may_clobber_ref_p_1): New function split out from ...
8773         (stmt_may_clobber_ref_p): ... here.
8774         (maybe_skip_until): Adjust signature.
8775         (get_continuation_for_phi): Likewise.
8776         (walk_non_aliased_vuses): Likewise.
8777         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
8778         (ao_ref_init): Declare.
8779         (ao_ref_base): Likewise.
8780         (ao_ref_alias_set): Likewise.
8781         (stmt_may_clobber_ref_p_1): Likewise.
8782         (walk_non_aliased_vuses): Adjust.
8783         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
8784         (get_ref_from_reference_ops): remove.
8785         (vn_reference_lookup_2): Adjust signature.
8786         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
8787         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
8788         (vn_reference_lookup): Adjust.
8789         (vn_reference_insert): Likewise.
8790         (vn_reference_insert_pieces): Adjust signature.
8791         (visit_reference_op_call): Adjust.
8792         * tree-ssa-pre.c (get_expr_type): Simplify.
8793         (phi_translate_1): Adjust.
8794         (compute_avail): Likewise.
8795         (translate_vuse_through_block): Do not re-build trees.
8796         (value_dies_in_block_x): Likewise.
8797         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
8798         fields.
8799         (vn_reference_lookup_pieces): Adjust declaration.
8800         (vn_reference_insert_pieces): Likewise.
8801
8802 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
8803
8804         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
8805         with checking disabled.
8806
8807 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
8808
8809         PR target/37216
8810
8811         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
8812         macro definition for support of three-operand format aligned
8813         .comm directive in assembler on cygwin/pe/mingw target OS.
8814         * configure:  Regenerate.
8815         * config.h:  Regenerate.
8816
8817         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
8818         aligned form of .comm directive if -mpe-aligned-commons is in effect.
8819         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
8820
8821         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
8822         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
8823
8824 2009-05-28  Ira Rosen  <irar@il.ibm.com>
8825
8826         PR tree-optimization/40254
8827         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
8828         in analysis of basic blocks.
8829
8830 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
8831
8832         PR middle-end/33699
8833         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
8834         * target-def.h (TARGET_CONST_ANCHOR): New macro.
8835         (TARGET_INITIALIZER): Use it.
8836         * cse.c (CHEAPER): Move it up to the other macros.
8837         (insert): Rename this ...
8838         (insert_with_costs): ... to this.  Add cost parameters.  Update
8839         function comment.
8840         (insert): New function.  Call insert_with_costs.
8841         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
8842         find_reg_offset_for_const, try_const_anchors): New functions.
8843         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
8844         when using a const-anchor.  Call insert_const_anchors.
8845         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
8846         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
8847
8848 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
8849
8850         * tree-inline.c (remap_decls): Enable nonlocalized variables
8851         when not optimizing.
8852
8853 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
8854
8855         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
8856         Simplify other tests involving optimize.
8857
8858 2009-05-27  Tom Tromey  <tromey@redhat.com>
8859
8860         * unwind-dw2.c (_Unwind_DebugHook): New function.
8861         (uw_install_context): Call _Unwind_DebugHook.
8862
8863 2009-05-27  Tom Tromey  <tromey@redhat.com>
8864
8865         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
8866
8867 2009-05-27  Ian Lance Taylor  <iant@google.com>
8868
8869         * Makefile.in (LINKER, LINKER_FLAGS): Define.
8870         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
8871         (ALL_LINKERFLAGS): Define.
8872         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
8873         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
8874         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
8875         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
8876         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
8877         $(LINKER_FOR_BUILD).
8878         (build/gcov-iov$(build_exeext)): Likewise.
8879
8880 2009-05-27  Julian Brown  <julian@codesourcery.com>
8881
8882         * gcse.c (target.h): Include.
8883         (can_assign_to_reg_without_clobbers_p): Check that the target allows
8884         copy of argument to a pseudo register.
8885
8886 2009-05-27  Diego Novillo  <dnovillo@google.com>
8887
8888         * tree-ssa-live.c (dump_scope_block): Document arguments.
8889         (dump_scope_blocks): Document.
8890         (debug_scope_blocks): New.
8891         * tree-flow.h (debug_scope_blocks): Declare.
8892
8893 2009-05-21  Denis Chertykov  <denisc@overta.ru>
8894
8895         * doc/contrib.texi (Contributors): Add myself to the list.
8896
8897 2009-05-27  Olivier Hainque  <hainque@adacore.com>
8898
8899         * expr.c (target_align): New function.  Alignment the TARGET of an
8900         assignment may be assume to have.
8901         (highest_pow2_factor_for_target): Use it instead of relying on
8902         immediate tree attributes of TARGET, not necessarily honored when
8903         intermediate bitfields are involved.
8904
8905 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
8906
8907         PR target/40266
8908         * config/i386/driver-i386.c (host_detect_local_cpu): Support
8909         AVX, SSE4, AES, PCLMUL and POPCNT.
8910
8911 2009-05-27  Diego Novillo  <dnovillo@google.com>
8912
8913         * tree-pretty-print.c (dump_location): New.
8914         (dump_generic_node): Call it.
8915         Factor code to handle BLOCK nodes ...
8916         (dump_block_node): ... here.
8917
8918 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
8919
8920         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
8921         with it.
8922         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
8923         included.
8924         * gcc-plugin.h: Include config.h and system.h.
8925         (IN_GCC): Define if not defined.
8926
8927 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
8928
8929         PR middle-end/40249
8930         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
8931         with -fno-inline.
8932
8933 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
8934
8935         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
8936         applicable.
8937         * config/m32r/m32r.h: Ditto.
8938         * config/m32r/m32r.md: Ditto.
8939         * config/m32r/predicates.md: Ditto.
8940
8941 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
8942
8943         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
8944
8945 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
8946
8947         * doc/plugins.texi
8948         (Loading plugins): typo.
8949         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
8950         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
8951         (Interacting with the GCC Garbage Collector): Added new section.
8952         (Giving information about a plugin): Added new section for
8953         PLUGIN_INFO.
8954         * ggc.h (ggc_register_root_tab): Added declaration.
8955         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
8956         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
8957         (register_callback): Improved comment in declaration.
8958         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
8959         (extra_root_vec) Added static variable for dynamic roots registration.
8960         (ggc_register_root_tab) Added new routine.
8961         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
8962         PLUGIN_GGC_MARKING event.
8963         * ggc-zone.c: Include plugin.h.
8964         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
8965         * ggc-page.c: Include plugin.h.
8966         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
8967         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
8968         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
8969         (register_callback): check lack of callbacks for
8970         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
8971         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
8972         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
8973         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
8974         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
8975         dependency on plugin.h.
8976         (plugin.o): Added dependency on ggc.h...
8977
8978 2009-05-26  Richard Guenther  <rguenther@suse.de>
8979
8980         PR middle-end/40248
8981         Revert
8982         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
8983         with mismatched comparison modes.
8984
8985         * expr.c (expand_expr_real_1): Expand the operand of a
8986         VIEW_CONVERT_EXPR in its natural mode.
8987
8988 2009-05-26  Ian Lance Taylor  <iant@google.com>
8989
8990         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
8991         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
8992         (ALL_COMPILERFLAGS): Define.
8993         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
8994         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
8995         (collect2$(exeext), collect2.o): Likewise.
8996         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
8997         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
8998         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
8999         (libbackend.o, intl.o, cppdefault.o): Likewise.
9000         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
9001         (build/%.o): Use $(COMPILER_FOR_BUILD).
9002         (build/gen%$(build_exeext)): Likewise.
9003         (build/gcov-iov$(build_exeext)): LIkewise.
9004         * config/t-darwin (darwin.o): Use $(COMPILER).
9005         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
9006         * config/t-sol2 (sol2-c.o): Likewise.
9007         (sol2.o): Likewise.
9008         * config/t-vxworks (vxworks.o): Likewise.
9009         * config/x-darwin (host-darwin.o): Likewise.
9010         * config/x-hpux (host-hpux.o): Likewise.
9011         * config/x-linux (host-linux.o): Likewise.
9012         * config/x-solaris (host-solaris.o): Likewise.
9013         * config/alpha/x-alpha (driver-alpha.o): Likewise.
9014         * config/arm/t-arm (arm-c.o): Likewise.
9015         * config/arm/t-pe (pe.o): Likewise.
9016         * config/arm/t-wince-pe (pe.o): Likewise.
9017         * config/i386/t-cygming (winnt.o): Likewise.
9018         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
9019         * config/i386/t-cygwin (cygwin1.o): Likewise.
9020         (cygwin2.o): Likewise.
9021         * config/i386/t-i386 (i386-c.o): Likewise.
9022         * config/i386/t-interix (winnt.o): Likewise.
9023         * config/i386/t-netware (netware.o): Likewise.
9024         * config/i386/t-nwld (nwld.o): Likewise.
9025         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
9026         * config/i386/x-i386 (driver-i386.o): Likewise.
9027         * config/i386/x-cygwin (host-cygwin.o): Likewise.
9028         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
9029         * config/ia64/t-ia64 (ia64-c.o): Likewise.
9030         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
9031         * config/mips/x-native (driver-native.o): Likewise.
9032         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
9033         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
9034         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
9035         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
9036         * config/score/t-score-elf (score7.o): Likewise.
9037         (score3.o): Likewise.
9038         * config/sh/t-sh (sh-c.o): Likewise.
9039         * config/sh/t-symbian (sh-c.o): Likewise.
9040         (symbian.o): Likewise.
9041         * config/spu/t-spu-elf (spu-c.o): Likewise.
9042         * config/v850/t-v850 (v850-c.o): Likewise.
9043         * config/v850/t-v850e (v850-c.o): Likewise.
9044
9045 2009-05-26  Richard Guenther  <rguenther@suse.de>
9046
9047         PR tree-optimization/40122
9048         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
9049         VECTOR_CSTs if possible.
9050         (fold_gimple_assign): Likewise.
9051
9052 2009-05-26  Richard Guenther  <rguenther@suse.de>
9053
9054         PR middle-end/40252
9055         * fold-const.c (fold_binary): Use the correct types for building
9056         rotates.
9057
9058 2009-05-26  Richard Guenther  <rguenther@suse.de>
9059
9060         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
9061         redundant calls to merge_alias_info.
9062         (bump_vector_ptr): Likewise.
9063         * tree-ssa-copy.c (merge_alias_info): Remove.
9064         (replace_exp_1): Remove call to merge_alias_info.
9065         (propagate_tree_value): Likewise.
9066         (fini_copy_prop): Propagate points-to info.
9067         * tree-flow.h (merge_alias_info): Remove.
9068
9069 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
9070
9071         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
9072
9073 2009-05-25  Jan Hubicka  <jh@suse.cz>
9074
9075         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
9076         * cgraph.h (struct inline_summary): New filed self_wize,
9077         size_inlining_benefit, self_time and time_inlining_benefit.
9078         (struct cgraph_global_info): Replace insns by time ans size fields.
9079         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
9080         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
9081         (ipcp_update_callgraph): Do not touch function bodies.
9082         * ipa-inline.c: Include except.h
9083         (MAX_TIME): New constant.
9084         (overall_insns): Remove.
9085         (leaf_node_p): New.
9086         (overall_size, max_benefit): New static variables.
9087         (cgraph_estimate_time_after_inlining): New function.
9088         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
9089         (cgraph_clone_inlined_nodes): Update size.
9090         (cgraph_mark_inline_edge): Update size.
9091         (cgraph_estimate_growth): Use size info.
9092         (cgraph_check_inline_limits): Check size.
9093         (cgraph_default_inline_p): Likewise.
9094         (cgraph_edge_badness): Compute badness based on benefit and size cost.
9095         (cgraph_decide_recursive_inlining): Check size.
9096         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
9097         and times.
9098         (cgraph_decide_inlining): Likewise.
9099         (cgraph_decide_inlining_incrementally): Likewise; honor
9100         PARAM_EARLY_INLINING_INSNS.
9101         (likely_eliminated_by_inlining_p): New predicate.
9102         (estimate_function_body_sizes): New function.
9103         (compute_inline_parameters): Use it.
9104         * except.c (must_not_throw_labels): New function.
9105         * except.h (must_not_throw_labels): Declare.
9106         * tree-inline.c (init_inline_once): Kill inlining_weigths
9107         * tree-ssa-structalias.c: Avoid uninitialized warning.
9108         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
9109         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
9110         (PARAM_INLINE_CALL_COST): Remove.
9111         (PARAM_EARLY_INLINING_INSNS): New.
9112
9113 2009-05-25  Richard Guenther  <rguenther@suse.de>
9114
9115         PR tree-optimization/36327
9116         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
9117         callback for reference translation or lookup at the point of may-defs.
9118         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
9119         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
9120         for union COMPONENT_REFs.
9121         (vn_reference_lookup_3): New callback.  Lookup from memset
9122         and CONSTRUCTOR assignment, translate through struct copies.
9123         (vn_reference_lookup_pieces): Make sure to not free the
9124         passed operands array.  Adjust walk_non_aliased_vuses call.
9125         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
9126         make sure we do not leak memory.
9127
9128 2009-05-25  Richard Guenther  <rguenther@suse.de>
9129
9130         * tree-ssa-alias.h (dump_points_to_solution): Declare.
9131         * tree-inline.c (expand_call_inline): Reset the escaped and
9132         callused solutions.
9133         * tree-ssa-structalias.c (pass_build_ealias): New.
9134         * tree-pass.h (pass_build_ealias): Declare.
9135         * passes.c (init_optimization_passes): Add PTA during
9136         early optimizations.
9137         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
9138         and CALLUSED solutions.
9139         (dump_points_to_solution): New function, split out from ...
9140         (dump_points_to_info_for): ... here.
9141         * tree-parloops.c (parallelize_loops): Reset the escaped and
9142         callused solutions.
9143
9144 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9145
9146         PR bootstrap/40027
9147         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
9148         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
9149
9150 2009-05-25  Ira Rosen  <irar@il.ibm.com>
9151
9152         PR tree-optimization/40238
9153         * tree-vect-stmts.c (vect_init_vector): Insert initialization
9154         statements after basic block's labels.
9155         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
9156         to free the allocated memory.
9157
9158 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
9159
9160         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
9161         return address with a USE.
9162
9163 2009-05-24  Richard Guenther  <rguenther@suse.de>
9164
9165         PR middle-end/40233
9166         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
9167         array type from the main variant of the inner type.
9168
9169 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9170
9171         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
9172         definition to bool (from int) to un-break build.
9173         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
9174
9175 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
9176
9177         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
9178         discard_stmt_changes): Delete.
9179         * tree-ssa-operands.c (scb_stack): Delete.
9180         (init_ssa_operands): Do not initialize it.
9181         (fini_ssa_operands): Do not free it.
9182         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
9183
9184         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
9185         update_stmt, remove the others.  Fix comments.
9186         * tree-dfa.c (optimize_stack_restore): Likewise.
9187         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
9188         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
9189         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
9190         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
9191         Likewise.
9192         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
9193         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
9194         (dom_opt_finalize_block): Likewise, adjusting access to
9195         stmts_to_rescan.
9196         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
9197         (stmts_to_rescan): Change item type to gimple.
9198         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
9199
9200 2009-05-24  Ira Rosen  <irar@il.ibm.com>
9201
9202         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
9203         * tree-pass.h (pass_slp_vectorize): New pass.
9204         * params.h (SLP_MAX_INSNS_IN_BB): Define.
9205         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
9206         * tree-vectorizer.c (timevar.h): Include.
9207         (user_vect_verbosity_level): Declare.
9208         (vect_location): Fix comment.
9209         (vect_set_verbosity_level): Update user_vect_verbosity_level
9210         instead of vect_verbosity_level.
9211         (vect_set_dump_settings): Add an argument. Ignore user defined
9212         verbosity if dump flags require higher level of verbosity. Print to
9213         stderr only for loop vectorization.
9214         (vectorize_loops): Update call to vect_set_dump_settings.
9215         (execute_vect_slp): New function.
9216         (gate_vect_slp): Likewise.
9217         (struct gimple_opt_pass pass_slp_vectorize): New.
9218         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
9219         access its members.
9220         (vec_info_for_bb): New function.
9221         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
9222         (VECTORIZATION_ENABLED): New macro.
9223         (SLP_ENABLED, SLP_DISABLED): Likewise.
9224         (vect_is_simple_use): Add bb_vec_info argument.
9225         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
9226         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
9227         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
9228         vect_schedule_slp, vect_analyze_slp): Likewise.
9229         (vect_analyze_stmt): Add slp_tree argument.
9230         (find_bb_location): Declare.
9231         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
9232         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
9233         (vect_analyze_loop_operations, vect_analyze_loop,
9234         get_initial_def_for_induction, vect_create_epilog_for_reduction,
9235         vect_finalize_reduction, vectorizable_reduction,
9236         vectorizable_live_operation, vect_transform_loop): Likewise.
9237         * tree-data-ref.c (dr_analyze_innermost): Update comment,
9238         skip evolution analysis if analyzing a basic block.
9239         (dr_analyze_indices): Likewise.
9240         (initialize_data_dependence_relation): Skip the test whether the
9241         object is invariant for basic blocks.
9242         (compute_all_dependences): Skip dependence analysis for data
9243         references in basic blocks.
9244         (find_data_references_in_stmt): Don't fail in case of invariant
9245         access in basic block.
9246         (find_data_references_in_bb): New function.
9247         (find_data_references_in_loop): Move code to
9248         find_data_references_in_bb and add a call to it.
9249         (compute_data_dependences_for_bb): New function.
9250         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
9251         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
9252         that STEP is 0.
9253         (vect_analyze_data_ref_dependence): Check for interleaving in case of
9254         unknown dependence in basic block and fail in case of dependence in
9255         basic block.
9256         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
9257         dependence instances from either loop or basic block vectorization
9258         info.
9259         (vect_compute_data_ref_alignment): Check if it is loop vectorization
9260         before calling nested_in_vect_loop_p.
9261         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
9262         dependence instances from either loop or basic block vectorization
9263         info.
9264         (vect_verify_datarefs_alignment): Likewise.
9265         (vect_enhance_data_refs_alignment): Adjust function calls.
9266         (vect_analyze_data_refs_alignment): Likewise.
9267         (vect_analyze_group_access): Fix printing. Skip different checks if
9268         DR_STEP is 0. Keep strided stores either in loop or basic block
9269         vectorization data structure. Fix indentation.
9270         (vect_analyze_data_ref_access): Fix comments, allow zero step in
9271         basic blocks.
9272         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
9273         dependence instances from either loop or basic block vectorization
9274         info.
9275         (vect_analyze_data_refs): Update comment. Call
9276         compute_data_dependences_for_bb to analyze basic blocks.
9277         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
9278         case of loop vectorization. In case of basic block vectorization use
9279         data-ref itself as a base.
9280         (vect_create_data_ref_ptr): In case of basic block vectorization:
9281         don't advance the pointer, add new statements before the current
9282         statement.  Adjust function calls.
9283         (vect_supportable_dr_alignment): Support only aligned accesses in
9284         basic block vectorization.
9285         * common.opt (ftree-slp-vectorize): New flag.
9286         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
9287         (vect_pattern_recog_1): Likewise.
9288         * tree-vect-stmts.c (process_use): Likewise.
9289         (vect_init_vector): Add new statements in the beginning of the basic
9290         block in case of basic block SLP.
9291         (vect_get_vec_def_for_operand): Adjust function calls.
9292         (vect_finish_stmt_generation): Likewise.
9293         (vectorizable_call): Add assert that it is loop vectorization, adjust
9294         function calls.
9295         (vectorizable_conversion, vectorizable_assignment): Likewise.
9296         (vectorizable_operation): In case of basic block SLP, take
9297         vectorization factor from statement's type and skip the relevance
9298         check. Adjust function calls.
9299         (vectorizable_type_demotion): Add assert that it is loop
9300         vectorization, adjust function calls.
9301         (vectorizable_type_promotion): Likewise.
9302         (vectorizable_store): Check for outer loop only in case of loop
9303         vectorization. Adjust function calls. For basic blocks, skip the
9304         relevance check and don't advance pointers.
9305         (vectorizable_load): Likewise.
9306         (vectorizable_condition): Add assert that it is loop vectorization,
9307         adjust function calls.
9308         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
9309         that it is not reduction, get vector type, call only supported
9310         functions, skip loop specific parts.
9311         (vect_transform_stmt): Check for outer loop only in case of loop
9312         vectorization.
9313         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
9314         (vect_is_simple_use): Fix comment, add new argument, fix conditions
9315         for external definition.
9316         * passes.c (pass_slp_vectorize): New pass.
9317         * tree-vect-slp.c (find_bb_location): New function.
9318         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
9319         check for patterns only in loops.
9320         (vect_build_slp_tree): Add argument, adjust function calls, fail in
9321         case of multiple types in basic block SLP.
9322         (vect_mark_slp_stmts_relevant): New function.
9323         (vect_supported_load_permutation_p): Fix comment.
9324         (vect_analyze_slp_instance): Add argument. In case of basic block
9325         SLP, take vectorization factor from statement's type, check that
9326         unrolling factor is 1. Adjust function call. Save SLP instance in
9327         either loop or basic block vectorization structure. Return FALSE,
9328         if SLP failed.
9329         (vect_analyze_slp): Add argument. Get strided stores groups from
9330         either loop or basic block vectorization structure. Return FALSE
9331         if basic block SLP failed.
9332         (new_bb_vec_info): New function.
9333         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
9334         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
9335         (vect_schedule_slp): Add argument. Get SLP instances from either
9336         loop or basic block vectorization structure. Set vectorization factor
9337         to be 1 for basic block SLP.
9338         (vect_slp_transform_bb): New function.
9339         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
9340
9341 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
9342
9343         * final.c (shorten_branches): Do not align labels for jump tables.
9344         (final_scan_insn): Use JUMP_TABLE_DATA_P.
9345
9346 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
9347
9348         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
9349         Remove outdated reference to flow.c and fix nits.
9350         * doc/gccint.texi: Tweak RTL description.
9351         * doc/rtl.texi: Likewise.
9352
9353 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
9354
9355         * config/avr/avr.c: Change my email address.
9356         * config/avr/avr.h: Likewise.
9357         * config/avr/avr.md: Likewise.
9358         * config/avr/avr-protos.h: Likewise.
9359         * config/avr/libgcc.S: Likewise.
9360
9361 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
9362
9363         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
9364         (spu_split_load, spu_split_store): Change return type to int.
9365         (spu_split_convert): Declare.
9366         * config/spu/predicates.md (spu_mem_operand): Remove.
9367         (spu_mov_operand): Update.
9368         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
9369         * config/spu/spu.c (regno_aligned_for_load): Remove.
9370         (reg_aligned_for_addr, spu_expand_load): Define.
9371         (spu_expand_extv): Reimplement and handle MEM.
9372         (spu_expand_insv): Handle MEM.
9373         (spu_sched_reorder): Handle insn's with length 0.
9374         (spu_legitimate_address_p): Reimplement.
9375         (store_with_one_insn_p): Return TRUE for any mode with size
9376         larger than 16 bytes.
9377         (address_needs_split): Define.
9378         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
9379         operands.
9380         (spu_convert_move): Define.
9381         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
9382         (spu_split_store): Change all MEM's to TImode.
9383         (spu_init_expanders): Preallocate registers that correspond to
9384         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
9385         mark_reg_pointer.
9386         (spu_split_convert): Define.
9387         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
9388         (_move<mode>, _movdi, _movti): Update predicate and condition.
9389         (load, store): Change to define_split.
9390         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
9391         extend<mode>ti2.
9392         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
9393         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
9394         define_insn_and_split of lshr<mode>3.
9395         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
9396         (<v>ashr<mode>3_imm): Define.
9397         (extv, extzv, insv): Allow MEM operands.
9398         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
9399         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
9400         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
9401         (_spu_convert2): Change to define_insn_and_split and remove the
9402         corresponding define_peephole2.
9403         (stack_protect_set, stack_protect_test, stack_protect_test_si):
9404         Change predicates to memory_operand.
9405
9406 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
9407
9408         * config/arm/thumb2.md: Add 16-bit multiply instructions.
9409
9410 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
9411
9412         PR tree-optimization/40219
9413         * tree.c (iterative_hash_expr): Make sure the builtin function is
9414         a normal builtin function and not a front end or back end builtin
9415         before indexing into the built_in_decls array.
9416
9417 2009-05-22  Richard Guenther  <rguenther@suse.de>
9418
9419         PR middle-end/38964
9420         * alias.c (write_dependence_p): Do not use TBAA for answering
9421         anti-dependence or output-dependence.
9422         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
9423         (emit_pointer_definition): Remove.
9424         (emit_alias_warning): Likewise.
9425         (find_what_var_points_to): Remove TBAA pruning code.
9426         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
9427         violations.
9428         (compute_points_to_sets): Remove code computing the set of
9429         dereferenced pointers.
9430         * tree-data-ref.c (dr_may_alias_p): Properly use the split
9431         oracle for querying anti and output dependencies.
9432         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
9433         if TBAA may be applied.
9434         (refs_anti_dependent_p): New function.
9435         (refs_output_dependent_p): Likewise.
9436         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
9437         (refs_output_dependent_p): Likewise.
9438         * doc/tree-ssa.texi (Memory model): New section.
9439         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
9440         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
9441         * cfgexpand.c (expand_gimple_basic_block): Do not handle
9442         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
9443         * expr.c (expand_expr_real_1): Likewise.
9444         * gimple-low.c (lower_stmt): Likewise.
9445         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
9446         (dump_gimple_cdt): Remove.
9447         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
9448         (gimple_size): Likewise.
9449         (walk_gimple_op): Likewise.
9450         (is_gimple_stmt): Likewise.
9451         (walk_stmt_load_store_addr_ops): Likewise.
9452         (gimple_build_cdt): Remove.
9453         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
9454         * gimple.h (gimple_cdt_new_type): Remove.
9455         (gimple_cdt_new_type_ptr): Likewise.
9456         (gimple_cdt_set_new_type): Likewise.
9457         (gimple_cdt_location): Likewise.
9458         (gimple_cdt_location_ptr): Likewise.
9459         (gimple_cdt_set_location): Likewise.
9460         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
9461         * tree-cfg.c (remove_useless_stmts_1): Do not handle
9462         GIMPLE_CHANGE_DYNAMIC_TYPE.
9463         (verify_types_in_gimple_stmt): Likewise.
9464         * tree-inline.c (estimate_num_insns): Likewise.
9465         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
9466         (copy_decl_to_var): Likewise.
9467         (copy_result_decl_to_var): Likewise.
9468         * tree-pretty-print.c (dump_generic_node): Do not handle
9469         CHANGE_DYNAMIC_TYPE_EXPR.
9470         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
9471         * tree-ssa-operands.c (get_expr_operands): Likewise.
9472         * tree-ssa-structalias.c (struct variable_info): Remove
9473         no_tbaa_pruning member.
9474         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
9475         (unify_nodes): Do not copy it.
9476         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
9477         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
9478         (set_uids_in_ptset): Do not check it.
9479         (find_what_var_points_to): Likewise.
9480         (compute_tbaa_pruning): Remove.
9481         (compute_points_to_sets): Do not call it.
9482         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
9483         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
9484         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
9485         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
9486         (DECL_NO_TBAA_P): Likewise.
9487         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
9488         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
9489         (expand_omp_atomic_pipeline): Do not set it.
9490         * print-tree.c (print_node): Do not dump it.
9491         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
9492         redundant check.
9493
9494 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
9495
9496         PR target/39856
9497         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
9498         for clobber.
9499
9500 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
9501
9502         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
9503         non-external.
9504
9505 2009-05-22  Ben Elliston  <bje@au.ibm.com>
9506
9507         * Makefile.in (bversion.h, s-bversion): New targets.
9508         (TOPLEV_H): Add bversion.h.
9509         * toplev.h: Include "bversion.h".
9510         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
9511         the __format__ attribute only if compiling with the same version
9512         of GCC as the sources (the "build version").
9513
9514 2009-05-22  Ben Elliston  <bje@au.ibm.com>
9515
9516         * c-format.c (handle_format_attribute): Fix comment typo.
9517
9518 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
9519
9520         PR target/37846
9521         * config/ia64/ia64.opt (mfused-madd): New.
9522         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
9523         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
9524         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
9525         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
9526         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
9527         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
9528         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
9529         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
9530         instruction if !TARGET_FUSED_MADD.
9531         (fpma, fpms): Remove colon from name.
9532
9533 2009-05-22  Richard Guenther  <rguenther@suse.de>
9534
9535         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
9536         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
9537         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
9538         TARGET_MEM_REF.
9539         (create_expression_by_pieces): Only convert if necessary.
9540         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
9541         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
9542
9543 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
9544
9545         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
9546         regular pattern from a template and rename it ...
9547         (*extzv_truncsi_exts): ... to this.
9548
9549 2009-05-21  Richard Guenther  <rguenther@suse.de>
9550
9551         * cgraph.h (struct cgraph_node): Remove inline_decl member.
9552         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
9553         (cgraph_default_inline_p): Likewise.
9554         (cgraph_decide_inlining_incrementally): Likewise.
9555
9556 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
9557             Uros Bizjak  <ubizjak@gmail.com>
9558
9559         * config/i386/cpuid.h (bit_MOVBE): New.
9560
9561         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
9562
9563         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
9564         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
9565         (ix86_handle_option): Handle OPT_mmovbe.
9566         (ix86_target_string): Add -mmovbe.
9567         (pta_flags): Add PTA_MOVBE.
9568         (processor_alias_table): Add PTA_MOVBE to "atom".
9569         (override_options): Handle PTA_MOVBE.
9570
9571         * config/i386/i386.h (TARGET_MOVBE): New.
9572
9573         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
9574         (*bswapsi_movbe): New.
9575         (*bswapdi_movbe): Likewise.
9576         (bswapdi2): Renamed to ...
9577         (*bswapdi_1): This.
9578         (bswapdi2): New expander.
9579
9580         * config/i386/i386.opt (mmovbe): New.
9581
9582         * doc/invoke.texi: Document -mmovbe.
9583
9584 2009-05-21  Taras Glek  <tglek@mozilla.com>
9585
9586         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
9587         * gcc-plugin.h (plugin_init): Updated signature.
9588         * gcc-plugin.h (plugin_name_args): Moved to this header.
9589         * doc/plugins.texi (plugin_init): Updated documention to reflect
9590         API change.
9591         * doc/plugins.texi (plugin_name_args): Added to documention.
9592
9593 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
9594
9595         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
9596         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
9597
9598 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
9599
9600         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
9601         JUMP_TABLE_DATA_P predicates where applicable.
9602         * config/i386/predicates.md: Ditto.
9603         * config/i386/sse.md: Ditto.
9604
9605 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
9606
9607         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
9608         operand2 -128 override length_immediate attribute to 1.
9609         * config/i386/predicates.md (constm128_operand): New predicate.
9610
9611         * config/i386/i386.c (memory_address_length): Handle %r12
9612         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
9613         also check REGNO.
9614         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
9615         mode look through optional ZERO_EXTEND and SUBREG.
9616         * config/i386/i386.md (R12_REG): New define_constant.
9617         (prefix_data16): For sse unit set also for MODE_TI insns.
9618         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
9619         insns set if operand 1 is ext_QIreg_operand.
9620         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
9621         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
9622         immediate.
9623         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
9624         mode from MODE_DI to MODE_SI.
9625         (movdi_1_rex64): Override modrm and length_immediate attributes
9626         only for movabs (TYPE_IMOV, alternative 2).
9627         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
9628         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
9629         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
9630         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
9631         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
9632         prefix_rex attribute if DImode.
9633         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
9634         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
9635         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
9636         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
9637         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
9638         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
9639         Likewise.  For TYPE_IMOV clear length_immediate attribute.
9640         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
9641         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
9642         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
9643         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
9644         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
9645         or one operand TYPE_ISHIFT.
9646         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
9647         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
9648         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
9649         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
9650         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
9651         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
9652         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
9653         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
9654         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
9655         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
9656         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
9657         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
9658         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
9659         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
9660         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
9661         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
9662         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
9663         set mode attribute, don't override length attribute.
9664         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
9665         to 1.
9666         (return_internal_long): Set length attribute to 2 instead of 1.
9667         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
9668         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
9669         prefix_rex attribute.
9670         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
9671         New predicates.
9672         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
9673
9674 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9675
9676         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
9677
9678 2009-05-20  Ian Lance Taylor  <iant@google.com>
9679
9680         * tree.c (build_tree_list_vec_stat): New function.
9681         (ctor_to_vec): New function.
9682         (build_nt_call_vec): New function.
9683         (build_call_array): Change args to be a const pointer.
9684         (build_call_vec): New function.
9685         * tree.h (build_nt_call_vec): Declare.
9686         (build_tree_list_vec_stat): Declare.
9687         (build_tree_list_vec): Define.
9688         (build_call_array): Update declaration.
9689         (build_call_vec): Declare.
9690         (ctor_to_vec): Declare.
9691         * c-common.c (tree_vector_cache): New static variable.
9692         (make_tree_vector): New function.
9693         (release_tree_vector): New function.
9694         (make_tree_vector_single): New function.
9695         (make_tree_vector_copy): New function.
9696         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
9697         (make_tree_vector_single, make_tree_vector_copy): Declare.
9698         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
9699         (c_parser_expr_list): Don't manage cache here, instead call
9700         make_tree_vector.
9701         (c_parser_release_expr_list): Remove static function.
9702         (c_parser_vec_to_tree_list): Remove static function.
9703         (c_parser_attributes): Call build_tree_list_vec instead of
9704         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
9705         c_parser_release_expr_list.
9706         (c_parser_postfix_expression_after_primary): Likewise.
9707         (c_parser_objc_keywordexpr): Likewise.
9708
9709 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
9710
9711         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
9712         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
9713         TARGET_CONVERT_TO_TYPE.
9714         * hooks.c (hook_tree_const_tree_null): Define.
9715         * hooks.h (hook_tree_const_tree_null): Declare.
9716         * target.h (struct gcc_target):  Add invalid_parameter_type,
9717         invalid_return_type, promoted_type, and convert_to_type fields.
9718         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
9719         (TARGET_INVALID_RETURN_TYPE): Define.
9720         (TARGET_PROMOTED_TYPE): Define.
9721         (TARGET_CONVERT_TO_TYPE): Define.
9722         (TARGET_INITIALIZER): Update for new fields.
9723         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
9724         (grokparms): Check targetm.invalid_parameter_type.
9725         * c-typeck.c (default_conversion): Check targetm.promoted_type.
9726         * c-convert.c (convert): Check targetm.convert_to_type.
9727
9728 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
9729
9730         * config/mips/mips.md (*extenddi_truncate<mode>,
9731         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
9732         defintions.
9733         (*extendhi_truncateqi): New define_insn_and_sptit.
9734
9735 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
9736
9737         PR middle-end/40204
9738         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
9739         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
9740
9741 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
9742
9743         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
9744         the operand of VIEW_CONVERT_EXPR.
9745
9746 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
9747
9748         * config/i386/driver-i386.c (host_detect_local_cpu): Check
9749         extended family and model for Intel processors.  Support Intel Atom.
9750
9751 2009-05-20  Olivier Hainque  <hainque@adacore.com>
9752
9753         * gstab.h (stab_code_type): Define, to be used instead of the
9754         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
9755         notice.
9756         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
9757         occurrences by stab_code_type.
9758         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
9759
9760 2009-05-20  Martin Jambor  <mjambor@suse.cz>
9761
9762         * tree-flow.h (insert_edge_copies_seq): Undeclare.
9763         (sra_insert_before): Likewise.
9764         (sra_insert_after): Likewise.
9765         (sra_init_cache): Likewise.
9766         (sra_type_can_be_decomposed_p): Likewise.
9767         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
9768         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
9769         (sra_insert_before): Likewise.
9770         (sra_insert_after): Likewise.
9771         (sra_init_cache): Likewise.
9772         (insert_edge_copies_seq): Made static and moved upwards.
9773
9774         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
9775         case.
9776
9777         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
9778
9779         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
9780         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
9781         simple copies.
9782
9783 2009-05-20  Richard Guenther  <rguenther@suse.de>
9784
9785         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
9786         with mismatched comparison modes.
9787
9788 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9789
9790         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
9791         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
9792         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
9793         with shifts for Thumb2.
9794         (orsi_notsi): New for orn.
9795         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
9796         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
9797         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
9798         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
9799         Don't invert remainder for IOR.
9800
9801 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
9802
9803         PR tree-optimization/40087
9804         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
9805         number_of_iterations_ne): Rename never_infinite argument.
9806         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
9807         number_of_iterations_le): Handle pointer-type ivs when
9808         exit_must_be_taken is false.
9809         (number_of_iterations_cond):  Do not always assume that
9810         exit_must_be_taken if the control variable is a pointer.
9811
9812 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9813
9814         * c-typeck.c (build_binary_op): Allow % on integal vectors.
9815         * doc/extend.texi (Vector Extension): Document that % is allowed too.
9816
9817 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
9818
9819         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
9820         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
9821
9822 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9823
9824         PR c/40172
9825         * c.opt (Wlogical-op): Disabled by default.
9826         * c-opt (c_common_post_options): Do not enable Wlogical-op with
9827         Wextra.
9828         * doc/invoke.texi (Wlogical-op): Likewise.
9829
9830 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
9831
9832         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
9833         into CASE_CONVERT.
9834         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
9835         Propagate the type of the first operand.
9836         <ASSERT_EXPR>: Simplify.
9837         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
9838         Rewrite using the RHS code as discriminant.
9839         <NOP_EXPR>: Turn into CASE_CONVERT.
9840         <PLUS_EXPR>: Propagate the type of the first operand.
9841
9842 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
9843
9844         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
9845         (ia64_dconst_0_375): New.
9846         * config/ia64/ia64.c (ia64_override_options): Remove
9847         -minline-sqrt-min-latency warning.
9848         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
9849         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
9850         * config/ia64/ia64.md (*sqrt_approx): Remove.
9851         (sqrtsf2): Remove #if 0.
9852         (sqrtsf2_internal_thr): Rewrite and move to div.md.
9853         (sqrtdf): Remove assert.
9854         (sqrtdf2_internal_thr): Rewrite and move to div.md.
9855         (sqrtxf2): Remove #if 0.
9856         (sqrtxf2_internal_thr): Rewrite and move to div.md.
9857         * div.md (sqrt_approx_rf): New.
9858         (sqrtsf2_internal_thr): New implementation.
9859         (sqrtsf2_internal_lat): New.
9860         (sqrtdf2_internal_thr: New implementation.
9861         (sqrtxf2_internal): New implementation.
9862
9863 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
9864             Hans-Peter Nilsson  <hp@axis.com>
9865
9866         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
9867         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
9868         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
9869         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
9870         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
9871         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
9872         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
9873         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
9874         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
9875         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
9876         * c-common.c: ...from here.
9877
9878 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9879
9880         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
9881
9882 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9883
9884         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
9885
9886 2009-05-19  Ben Elliston  <bje@au.ibm.com>
9887
9888         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
9889         assignments with memcpy calls.
9890         (add_fdes): Likewise.
9891         (binary_search_unencoded_fdes): Likewise.
9892         (linear_search_fdes): Eliminate type puns.
9893
9894 2009-05-19  Richard Guenther  <rguenther@suse.de>
9895
9896         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
9897         not falsely claim to have propagated into all uses.
9898
9899 2009-05-19  Ben Elliston  <bje@au.ibm.com>
9900
9901         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
9902         version to v3.0.
9903
9904 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
9905
9906         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
9907         * config/sh/sh.c (sh_legitimate_address_p): Make static.
9908         (TARGET_LEGITIMATE_ADDRESS_P): New.
9909         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
9910         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
9911
9912 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
9913
9914         PR debug/40109
9915         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
9916         child of the containing namespace's DIE.
9917
9918 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
9919
9920         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
9921         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
9922         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
9923         extend patterns.
9924
9925 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
9926
9927         PR target/39942
9928         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
9929         gen_align with gen_pad.
9930         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
9931         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
9932
9933         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
9934         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
9935
9936         * config/i386/i386.md (align): Renamed to ...
9937         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
9938         ASM_OUTPUT_MAX_SKIP_PAD.
9939
9940 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
9941
9942         * config.gcc: Fix variable syntax.
9943
9944         PR target/39531
9945         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
9946         before calling exact_log2.
9947         (output_iorsi3): Likewise.
9948         (output_xorsi3): Likewise.
9949
9950 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
9951
9952         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
9953         for the none zero constant operand except for EQ and NE
9954         comprisons even when the first operand is R0.
9955
9956 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
9957
9958         * config/s390/2064.md: Remove trailing whitespaces.
9959         * config/s390/2084.md: Likewise.
9960         * config/s390/constraints.md: Likewise.
9961         * config/s390/fixdfdi.h: Likewise.
9962         * config/s390/libgcc-glibc.ver: Likewise.
9963         * config/s390/s390-modes.def: Likewise.
9964         * config/s390/s390-protos.h: Likewise.
9965         * config/s390/s390.c: Likewise.
9966         * config/s390/s390.h: Likewise.
9967         * config/s390/s390.md: Likewise.
9968         * config/s390/tpf-unwind.h: Likewise.
9969
9970 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
9971
9972         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
9973
9974 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
9975
9976         M68K TLS support.
9977         * configure.ac (m68k-*-*): Check if binutils support TLS.
9978         * configure: Regenerate.
9979         * config/m68k/predicates.md (symbolic_operand): Extend comment.
9980         * config/m68k/constraints.md (Cu): New constraint.
9981         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
9982         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
9983         (movsi): Handle TLS symbols.
9984         (addsi3_5200): Handle XTLS symbols, indent.
9985         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
9986         (m68k_tls_reference_p): Declare.
9987         (m68k_legitimize_address): Declare.
9988         (m68k_unwrap_symbol): Declare.
9989         * config/m68k/m68k.opt (mxtls): New option.
9990         * config/m68k/m68k.c (ggc.h): Include.
9991         (m68k_output_dwarf_dtprel): Implement hook.
9992         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
9993         (m68k_expand_prologue): Load GOT pointer when function needs it.
9994         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
9995         (m68k_legitimate_constant_address_p): Same.
9996         (m68k_decompose_address): Handle TLS references.
9997         (m68k_get_gp): New static function.
9998         (enum m68k_reloc): New contants.
9999         (TLS_RELOC_P): New macro.
10000         (m68k_wrap_symbol): New static function.
10001         (m68k_unwrap_symbol): New function.
10002         (m68k_final_prescan_insn_1): New static function.
10003         (m68k_final_prescan_insn): New function.
10004         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
10005         functions.
10006         (legitimize_pic_address): Handle TLS references..
10007         (m68k_tls_get_addr, m68k_get_tls_get_addr)
10008         (m68k_libcall_value_in_a0_p)
10009         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
10010         (m68k_call_m68k_read_tp): Helper variables and functions for ...
10011         (m68k_legitimize_tls_address): Handle TLS references.
10012         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
10013         New functions.
10014         (m68k_legitimize_address): Handle TLS symbols.
10015         (m68k_get_reloc_decoration): New static function.
10016         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
10017         UNSPEC_RELOC32.
10018         (m68k_output_dwarf_dtprel): Implement hook.
10019         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
10020         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
10021         m68k_call_* routines.
10022         (sched_attr_op_type): Handle TLS symbols.
10023         (gt-m68k.h): Include.
10024         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
10025         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
10026
10027 2009-05-18  Martin Jambor  <mjambor@suse.cz>
10028
10029         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
10030         (visit_store_addr_for_mod_analysis): New function.
10031         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
10032         (determine_cst_member_ptr): Use gimple_assign_single_p.
10033         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
10034         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
10035         operands.  Don't check number of operands of a NOP_EXPR.
10036
10037 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
10038
10039         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
10040
10041 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10042
10043         PR c/40172
10044         * c-common.c (warn_logical_operator): Don't warn if one of
10045         expression isn't always true or false.
10046
10047 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
10048
10049         * config/i386/biarch32.h: New file.
10050         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
10051
10052 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
10053
10054         * config/mips/mips.md (*zero_extend<mode>_trunchi,
10055         *zero_extend<mode>_truncqi): Merge these into ...
10056         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
10057         Name the pattern following this as *zero_extendhi_truncqi.
10058
10059 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
10060
10061         PR middle-end/39301
10062         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
10063         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
10064         (output_info): Make field HOST_WIDEST_INT.
10065         (print_statistics): Use HOST_WIDEST_INT_PRINT.
10066         (dump_bitmat_statistics): Same.
10067
10068 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
10069
10070         * config.gcc (use_gcc_stdint):  Set to wrap.
10071         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
10072         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
10073         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
10074         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
10075         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
10076         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
10077         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
10078         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
10079
10080 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
10081
10082         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
10083         tune_64.
10084         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
10085         Move definitions earlier.
10086         (OPT_ARCH64, OPT_ARCH32): Define.
10087         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
10088         and tune_64.
10089
10090 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
10091
10092         PR target/40153
10093         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
10094         implies.
10095
10096 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
10097
10098         * arm.md (movdi2): Copy non-reg values to DImode registers.
10099
10100 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
10101
10102         PR target/39942
10103         * final.c (label_to_max_skip): New function.
10104         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
10105         CODE_LABEL_NUMBER <= max_labelno.
10106         * output.h (label_to_max_skip): New prototype.
10107         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
10108         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
10109         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
10110         Handle CODE_LABELs with >= 16 byte alignment or with
10111         max_skip == (1 << align) - 1.
10112         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
10113         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
10114
10115         PR target/39942
10116         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
10117         .p2align 3 if MAX_SKIP is smaller than 7.
10118         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
10119
10120 2009-05-15  Ian Lance Taylor  <iant@google.com>
10121
10122         * alias.c (struct alias_set_entry_d): Rename from struct
10123         alias_set_entry.  Change all uses.
10124         * except.c (struct call_site_record_d): Rename from struct
10125         call_site_record.  Change all uses.
10126         * except.h (struct eh_region_d): Rename from struct eh_region.
10127         Change all uses.
10128         * gcse.c (struct hash_table_d): Rename from struct hash_table.
10129         Change all uses.
10130         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
10131         ivtype_map_elt.  Change all uses.
10132         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
10133         Change all uses.
10134         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
10135         * graphite.h (struct name_tree_d): Rename from struct name_tree.
10136         Change all uses.
10137         (struct sese_d): Rename from struct sese.  Change all uses.
10138         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
10139         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
10140         * optabs.h (struct optab_d): Rename from struct optab.  Change all
10141         uses.
10142         (struct convert_optab_d): Rename from struct convert_optab.
10143         Change all uses.
10144         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
10145         ipa_opt_pass.  Change all uses.
10146         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
10147         all uses.
10148
10149         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
10150         defined as a typedef.
10151         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
10152         defined as a tag.
10153
10154 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10155
10156         PR 16302
10157         * fold-const.c (make_range,build_range_check,merge_ranges): Move
10158         declaration to...
10159         (merge_ranges): Returns bool.
10160         * tree.h (make_range): .. to here.
10161         (build_range_check): Likewise.
10162         (merge_ranges): Likewise. Renamed from merge_ranges.
10163         * c-typeck.c (parser_build_binary_op): Update calls to
10164         warn_logical_operator.
10165         * c-common.c (warn_logical_operator): Add new warning.
10166         * c-common.h (warn_logical_operator): Update declaration.
10167
10168 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10169
10170         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
10171
10172 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10173
10174         * doc/install.texi: Document MPC requirements, flags etc.
10175
10176         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
10177         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
10178         Evaluate constant arguments.
10179         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
10180         (fold_builtin_1): Likewise, also evaluate constant arguments.
10181         Remove superfluous break.
10182         (do_mpc_ckconv): New.
10183         * real.h: Include mpc.h.
10184         * toplev.c (print_version): Output MPC version info if available.
10185
10186 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
10187
10188         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
10189
10190 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
10191
10192         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
10193         only once.
10194
10195 2009-05-15  Jan Hubicka  <jh@suse.cz>
10196
10197         * doc/invoke.texi (max-early-inliner-iterations): New flag.
10198         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
10199         (try_inline): Fix return value.
10200         (cgraph_decide_inlining_incrementally): Honor new value.
10201         (cgraph_early_inlining): Handle indirect inlining.
10202         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
10203
10204 2009-05-15  Jan Hubicka  <jh@suse.cz>
10205
10206         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
10207         * cgraphunit.c (cgraph_finalize_function): Set it.
10208         (cgraph_expand_function): Use it.
10209
10210 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
10211
10212         * real.c (encode_ieee_half): Define.
10213         (decode_ieee_half): Define.
10214         (ieee_half_format): Define.
10215         (arm_half_format): Define.
10216         * real.h (ieee_half_format): Declare.
10217         (arm_half_format): Declare.
10218
10219 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
10220
10221         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
10222         swapped, and reversed optabs exist before trying to use them.
10223
10224 2009-05-15  Paul Brook  <paul@codesourcery.com>
10225             Sandra Loosemore  <sandra@codesourcery.com>
10226
10227         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
10228         loads.  Allow PRE_DEC.
10229         (output_move_neon): Handle PRE_DEC.
10230         (arm_print_operand): Add 'A' for neon structure loads.
10231         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
10232         * config/arm/neon.md (neon_mov): Update comment.
10233         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
10234         calls.
10235         (Um): New constraint.
10236
10237 2009-05-15  Jan Hubicka  <jh@suse.cz>
10238
10239         Revert the following patch until testsuite fallout is fixed:
10240         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
10241         * cgraph.h (struct inline_summary): New filed self_wize,
10242         size_inlining_benefit, self_time and time_inlining_benefit.
10243         (struct cgraph_global_info): Replace insns by time ans size fields.
10244         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
10245         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
10246         (ipcp_update_callgraph): Do not touch function bodies.
10247         * ipa-inline.c: Include except.h
10248         (MAX_TIME): New constant.
10249         (overall_insns): Remove
10250         (overall_size, max_benefit): New static variables.
10251         (cgraph_estimate_time_after_inlining): New function.
10252         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
10253         (cgraph_clone_inlined_nodes): Update size.
10254         (cgraph_mark_inline_edge): Update size.
10255         (cgraph_estimate_growth): Use size info.
10256         (cgraph_check_inline_limits): Check size.
10257         (cgraph_default_inline_p): Likewise.
10258         (cgraph_edge_badness): Compute badness based on benefit and size cost.
10259         (cgraph_decide_recursive_inlining): Check size.
10260         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
10261         and times.
10262         (cgraph_decide_inlining): Likewise.
10263         (cgraph_decide_inlining_incrementally): Likewise; honor
10264         PARAM_EARLY_INLINING_INSNS.
10265         (likely_eliminated_by_inlining_p): New predicate.
10266         (estimate_function_body_sizes): New function.
10267         (compute_inline_parameters): Use it.
10268         * except.c (must_not_throw_labels): New function.
10269         * except.h (must_not_throw_labels): Declare.
10270         * tree-inline.c (init_inline_once): Kill inlining_weigths
10271         * tree-ssa-structalias.c: Avoid uninitialized warning.
10272         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
10273         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
10274         (PARAM_INLINE_CALL_COST): Remove.
10275         (PARAM_EARLY_INLINING_INSNS): New.
10276
10277 2009-05-15  Richard Guenther  <rguenther@suse.de>
10278
10279         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
10280         not TODO_update_ssa.
10281
10282 2009-05-15  Richard Guenther  <rguenther@suse.de>
10283
10284         PR tree-optimization/39999
10285         * gimple.h (gimple_expr_type): Use the expression type looking
10286         through useless conversions.
10287         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
10288         (vn_nary_op_insert_stmt): Likewise.
10289         (simplify_binary_expression): Likewise.
10290
10291 2009-05-15  Richard Guenther  <rguenther@suse.de>
10292
10293         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
10294         New options, enabled by default.
10295         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
10296         Document.
10297         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
10298         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
10299         * tree-ssa-structalias.c (gate_tree_pta): New function.
10300         (pass_build_alias): Use it.
10301
10302 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
10303
10304         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
10305         recurse on an invariant address if a conversion from a pointer
10306         type to a wider integer type is involved.
10307
10308 2009-05-15  Jan Hubicka  <jh@suse.cz>
10309
10310         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
10311         * cgraph.h (struct inline_summary): New filed self_wize,
10312         size_inlining_benefit, self_time and time_inlining_benefit.
10313         (struct cgraph_global_info): Replace insns by time ans size fields.
10314         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
10315         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
10316         (ipcp_update_callgraph): Do not touch function bodies.
10317         * ipa-inline.c: Include except.h
10318         (MAX_TIME): New constant.
10319         (overall_insns): Remove
10320         (overall_size, max_benefit): New static variables.
10321         (cgraph_estimate_time_after_inlining): New function.
10322         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
10323         (cgraph_clone_inlined_nodes): Update size.
10324         (cgraph_mark_inline_edge): Update size.
10325         (cgraph_estimate_growth): Use size info.
10326         (cgraph_check_inline_limits): Check size.
10327         (cgraph_default_inline_p): Likewise.
10328         (cgraph_edge_badness): Compute badness based on benefit and size cost.
10329         (cgraph_decide_recursive_inlining): Check size.
10330         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
10331         and times.
10332         (cgraph_decide_inlining): Likewise.
10333         (cgraph_decide_inlining_incrementally): Likewise; honor
10334         PARAM_EARLY_INLINING_INSNS.
10335         (likely_eliminated_by_inlining_p): New predicate.
10336         (estimate_function_body_sizes): New function.
10337         (compute_inline_parameters): Use it.
10338         * except.c (must_not_throw_labels): New function.
10339         * except.h (must_not_throw_labels): Declare.
10340         * tree-inline.c (init_inline_once): Kill inlining_weigths
10341         * tree-ssa-structalias.c: Avoid uninitialized warning.
10342         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
10343         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
10344         (PARAM_INLINE_CALL_COST): Remove.
10345         (PARAM_EARLY_INLINING_INSNS): New.
10346         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
10347         (inline-call-cost): Remove.
10348         (early-inlining-insns): New.
10349
10350 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
10351
10352         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
10353         for bounds.
10354         (print_int_cst_bounds_in_octal_p): Likewise.
10355         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
10356         with subtypes.
10357         * dwarf2out.c (base_type_die): Likewise.
10358         (is_subrange_type): Delete.
10359         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
10360         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
10361         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
10362         if the destination type is boolean.
10363         (build_range_check): Do not special-case subtypes.
10364         (fold_sign_changed_comparison): Likewise.
10365         (fold_unary): Likewise.
10366         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
10367         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
10368         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
10369         * tree.c (subrange_type_for_debug_p): New predicate based on the
10370         former is_subrange_type.
10371         * tree.h (subrange_type_for_debug_p): Declare.
10372         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
10373         (convert_affine_scev): Remove call to above function.
10374         (chrec_convert_aggressive): Likewise.
10375         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
10376         false for conversions involving subtypes.
10377         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
10378         (vrp_val_min): Likewise.
10379         (needs_overflow_infinity): Likewise.
10380         (extract_range_from_unary_expr): Likewise.
10381
10382 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
10383
10384         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
10385         * config/frv/frv.c: Likewise.
10386         * config/s390/s390.c: Likewise.
10387         * config/sparc/sparc.h: Likewise.
10388         * config/i386/i386.h: Likewise.
10389         * config/i386/i386.c: Likewise.
10390         * config/crx/crx.c: Likewise.
10391         * config/m68hc11/m68hc11.h: Likewise.
10392         * config/iq2000/iq2000.c: Likewise.
10393         * config/mn10300/mn10300.h: Likewise.
10394         * config/mn10300/mn10300.c: Likewise.
10395         * config/m68k/m68k.c: Likewise.
10396         * config/rs6000/rs6000.c: Likewise.
10397         * config/rs6000/xcoff.h: Likewise.
10398         * config/rs6000/linux64.h: Likewise.
10399         * config/rs6000/sysv4.h: Likewise.
10400         * config/score/score3.c: Likewise.
10401         * config/score/score7.c: Likewise.
10402         * config/score/score.c: Likewise.
10403         * config/arm/arm.md: Likewise.
10404         * config/mips/mips.c: Likewise.
10405         * config/mips/mips.md: Likewise.
10406         * config/bfin/bfin.h: Likewise.
10407         * config/pa/pa.c: Likewise.
10408         * config/pa/constraints.md: Likewise.
10409
10410         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
10411         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
10412         * config/pdp11/pdp11.h: Use memory_address_p instead.
10413
10414 2009-05-14  Ian Lance Taylor  <iant@google.com>
10415
10416         * passes.c (finish_optimization_passes): Change i to int.
10417         * plugin.c (plugins_active_p): Change event to int.
10418         (dump_active_plugins): Likewise.
10419         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
10420         Add cast.
10421         * tree.c (tree_range_check_failed): Change c to unsigned int.
10422         (omp_clause_range_check_failed): Likewise.
10423         (build_common_builtin_nodes): Change mode to int.  Add cast.
10424         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
10425         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
10426
10427         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
10428         ++ or -- with a variable of enum type.
10429
10430 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
10431
10432         PR driver/40144
10433         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
10434
10435 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
10436
10437         * store-motion.c: Do not include params.h
10438         * Makefile.in: Fix dependencies for various files.
10439
10440 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
10441
10442         * auto-inc-dec.c: Fix pass description, remove apparent
10443         accidental duplication.
10444
10445 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
10446
10447         PR middle-end/40147
10448         * ipa-utils.h (memory_identifier_string): Moved to ...
10449         * tree.h (memory_identifier_string): Here.  Add GTY(()).
10450
10451 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
10452
10453         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
10454         in the former documentation of...
10455         (GO_IF_LEGITIMATE_ADDRESS): ... this.
10456         * ira-conflicts.c (get_dup_num): Use address_operand.
10457         * targhooks.c (default_legitimate_address_p): New.
10458         * targhooks.h (default_legitimate_address_p): New.
10459         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
10460         Call hook.
10461         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
10462         * target.h (struct target): Add legitimate_address_p.
10463         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
10464         (TARGET_INITIALIZER): Include it.
10465
10466         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10467         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
10468         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
10469         (TARGET_LEGITIMATE_ADDRESS_P): New.
10470
10471         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10472         (REG_OK_STRICT_P): Delete.
10473         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
10474         (frv_legitimate_address_p_1): ... this.
10475         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
10476         (frv_legitimate_address_p_1): ... the renamed old
10477         frv_legitimate_address_p.
10478         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
10479         (TARGET_LEGITIMATE_ADDRESS_P): New.
10480
10481         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10482         * config/s390/s390-protos.h (legitimate_address_p): Remove.
10483         * config/s390/s390.c (legitimate_address_p): Rename to...
10484         (s390_legitimate_address_p): ... this, make static.
10485         (legitimize_address): Adjust call.
10486         (TARGET_LEGITIMATE_ADDRESS_P): New.
10487         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
10488
10489         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10490         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
10491         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
10492         (TARGET_LEGITIMATE_ADDRESS_P): New.
10493
10494         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10495         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
10496         * config/spu/spu.c (spu_legitimate_address): Rename to...
10497         (spu_legitimate_address_p): ... this, make static.
10498         (TARGET_LEGITIMATE_ADDRESS_P): New.
10499
10500         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10501         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
10502         * config/sparc/sparc.c (legitimate_address_p): Rename to...
10503         (sparc_legitimate_address_p): ... this, make static and return bool.
10504         (legitimize_address): Adjust call.
10505         (TARGET_LEGITIMATE_ADDRESS_P): New.
10506
10507         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10508         * config/i386/i386-protos.h (legitimate_address_p): Remove.
10509         * config/i386/i386.c (legitimate_address_p): Rename to...
10510         (ix86_legitimate_address_p): ... this, make static.
10511         (constant_address_p): Move after it, adjust call.
10512         (TARGET_LEGITIMATE_ADDRESS_P): New.
10513
10514         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10515         * config/avr/avr-protos.h (legitimate_address_p): Remove.
10516         * config/avr/avr.c (legitimate_address_p): Rename to...
10517         (avr_legitimate_address_p): ... this, make static.
10518         (legitimize_address): Adjust call.
10519         (TARGET_LEGITIMATE_ADDRESS_P): New.
10520
10521         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10522         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
10523         * config/crx/crx.c (crx_legitimate_address_p): Make static.
10524         (TARGET_LEGITIMATE_ADDRESS_P): New.
10525
10526         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10527         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
10528         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
10529         (TARGET_LEGITIMATE_ADDRESS_P): New.
10530
10531         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10532         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
10533         Remove.
10534         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
10535         Make static.
10536         (TARGET_LEGITIMATE_ADDRESS_P): New.
10537
10538         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10539         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
10540         Remove.
10541         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
10542         Rename to...
10543         (m68hc11_legitimate_address_p): ... this, make static.
10544         (go_if_legitimate_address_internal): Rename to...
10545         (m68hc11_legitimate_address_p_1): ... this.
10546         (legitimize_address): Adjust call.
10547         (TARGET_LEGITIMATE_ADDRESS_P): New.
10548
10549         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10550         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
10551         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
10552         (TARGET_LEGITIMATE_ADDRESS_P): New.
10553
10554         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10555         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
10556         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
10557         (mn10300_legitimate_address_p): ... this, make static.
10558         (TARGET_LEGITIMATE_ADDRESS_P): New.
10559
10560         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10561         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
10562         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
10563         (TARGET_LEGITIMATE_ADDRESS_P): New.
10564
10565         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10566         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
10567         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
10568         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10569         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
10570         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
10571         (rs6000_legitimate_address_p): ... this, make static.
10572         (TARGET_LEGITIMATE_ADDRESS_P): New.
10573         (REG_MODE_OK_FOR_BASE_P): Delete.
10574         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
10575
10576         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10577         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
10578         Delete.
10579         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
10580         static, adjust types.
10581         (TARGET_LEGITIMATE_ADDRESS_P): New.
10582
10583         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10584         * config/score/score.c (score_address_p): Rename to...
10585         (score_legitimate_address_p): ... this.
10586         (TARGET_LEGITIMATE_ADDRESS_P): New.
10587         * config/score/score3.c (score3_address_p): Rename to...
10588         (score3_legitimate_address_p): ... this.
10589         * config/score/score7.c (score7_address_p): Rename to...
10590         (score7_legitimate_address_p): ... this.
10591
10592         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
10593         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
10594         GO_IF_LEGITIMATE_ADDRESS): Delete.
10595         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
10596         thumb2_legitimate_address_p): Delete.
10597         (arm_legitimate_address_p): Rename to...
10598         (arm_legitimate_address_outer_p): ... this.
10599         * config/arm/constraints.md ("Uq"): Adjust call.
10600         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
10601         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
10602         to...
10603         (arm_legitimate_address_outer_p): ... this.
10604         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
10605         static.
10606         (TARGET_LEGITIMATE_ADDRESS_P): New.
10607
10608         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10609         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
10610         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
10611         (TARGET_LEGITIMATE_ADDRESS_P): New.
10612
10613         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10614         * config/vax/vax-protos.h (legitimate_address_p): Remove.
10615         * config/vax/vax.c (legitimate_address_p): Rename to...
10616         (vax_legitimate_address_p): ... this, make static.
10617         (TARGET_LEGITIMATE_ADDRESS_P): New.
10618
10619         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10620         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
10621         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
10622         (TARGET_LEGITIMATE_ADDRESS_P): New.
10623
10624         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10625         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
10626         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
10627         (mmix_legitimate_address_p): ... this, make static.
10628         (TARGET_LEGITIMATE_ADDRESS_P): New.
10629
10630         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10631         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
10632         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
10633         (TARGET_LEGITIMATE_ADDRESS_P): New.
10634
10635 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
10636
10637         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
10638         of MODE_COMPLEX_INT.
10639
10640 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10641
10642         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
10643         LCT_NORMAL in function call.
10644         * mips-tdump.c (print_file_desc): Add cast to enum type.
10645         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
10646         (mark_stabs): Add casts to enum types.
10647         (parse_stabs_common): Add casts to enum types.
10648
10649 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
10650
10651         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
10652         Check for invalid values of LETTER.
10653
10654 2009-05-13  Taras Glek  <tglek@mozilla.com>
10655
10656         * attribs.c (register_attribute): moved out attribute registration
10657         into register_attribute.
10658         * doc/plugins.texi: Documented register_attribute and
10659         PLUGIN_ATTRIBUTES.
10660         * gcc-plugin.h: Added forward decl for register_attribute.
10661         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
10662         * plugin.c (register_callback, invoke_plugin_callbacks): Added
10663         PLUGIN_ATTRIBUTES boilerplate.
10664
10665 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
10666
10667         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
10668         values even in sentinel and empty entries.
10669         (ms_printf_flag_specs):  Likewise.
10670         (ms_scanf_flag_specs):  Likewise.
10671         (ms_strftime_flag_specs):  Likewise.
10672         (ms_print_char_table):  Likewise.
10673         (ms_scan_char_table):  Likewise.
10674         (ms_time_char_table):  Likewise.
10675
10676 2009-05-13  Doug Kwan  <dougkwan@google.com>
10677
10678         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
10679
10680 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
10681
10682         * config/mips/mips.md (store): Add attributes for QI and HI.
10683         Update comment.
10684         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
10685         (truncdi<mode>2): ... this new pattern.
10686
10687 2009-05-13  Brad Hards  <bradh@kde.org>
10688
10689         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
10690
10691 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
10692             Ben Elliston <bje@au.ibm.com>
10693
10694         PR middle-end/40035
10695         * dse.c (check_mem_read_rtx): Guard against width == -1.
10696
10697 2009-05-13  Michael Matz  <matz@suse.de>
10698
10699         PR middle-end/39976
10700         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
10701         (trivially_conflicts_p): New function.
10702         (insert_backedge_copies): Use it.
10703
10704 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
10705
10706         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
10707         (handle_stdc_pragma): Use new enum constant names.
10708         (handle_pragma_float_const_decimal64): Ditto.
10709
10710 2009-05-13  Ian Lance Taylor  <iant@google.com>
10711
10712         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
10713         tree.def.
10714
10715 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
10716
10717         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
10718         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
10719         multilibs.
10720         * config/m68k/m68k.h (FL_UCLINUX): Define.
10721
10722 2009-05-13  Jan Hubicka  <jh@suse.cz>
10723
10724         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
10725
10726 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
10727
10728         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
10729         unless -fschedule-insns is specified.
10730
10731 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
10732
10733         PR target/39561
10734         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
10735         TARGET_EXPAND_CBRANCHDI4.
10736         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
10737         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
10738         (cmpeqdi): Fix comment.
10739
10740 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
10741
10742         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
10743         (sh_legitimate_address_p): Likewise.
10744         * config/sh/sh.c (sh_legitimate_index_p): New.
10745         (sh_legitimate_address_p): Likewise.
10746         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
10747         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
10748         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
10749         (MAYBE_BASE_REGISTER_RTX_P): New macro.
10750         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
10751         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
10752         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
10753         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
10754         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
10755
10756 2009-05-12  Jan Hubicka  <jh@suse.cz>
10757
10758         * tree-inline.c (estimate_operator_cost): Add operands;
10759         when division happens by constant, it is cheap.
10760         (estimate_num_insns): Loads and stores are not having cost of 0;
10761         EH magic stuff is cheap; when computing runtime cost of switch,
10762         use log2 base of amount of its cases; builtin_expect has cost of 0;
10763         compute cost for moving return value of call.
10764         (init_inline_once): Initialize time_based flags.
10765         * tree-inline.h (eni_weights_d): Add time_based flag.
10766
10767 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
10768
10769         * df-core.c: Update head documentation.
10770
10771 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
10772
10773         PR bootstrap/40118
10774         * rs6000.c (rs6000_generate_compare): Use op1b instead of
10775         shadowing exisiting variable op1.
10776
10777 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
10778
10779         PR target/37179
10780         * config/i386/driver-i386.c (processor_signatures): New enum.
10781         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
10782         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
10783         processor signature to detect geode processor.
10784
10785 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
10786
10787         Revert:
10788
10789         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
10790
10791         * optabs.c (prepare_cmp_insn): Temporarily disable test that
10792         causes spurious differences between trunk and cond-optab branch.
10793
10794 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
10795
10796         * dojump.c (compare_from_rtx): Delete.
10797         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
10798         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
10799         if the comparison does not satisfy the predicate; test predicates for
10800         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
10801         further if one existing pattern fails.
10802         * expr.h (compare_from_rtx): Delete.
10803         (prepare_operand): Declare it.
10804         * optabs.c: Change "lib call" to "libcall" throughout.
10805         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
10806         HAVE_conditional_trap, emit_cmp_insn): Delete.
10807         (can_compare_p): Delete cmp_optab case.
10808         (prepare_float_lib_cmp): Return an rtx and a machine mode.
10809         Accept other parameters by value.
10810         (prepare_operand): Make non-static.
10811         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
10812         other parameters by value.  Try to widen operands here based on
10813         an optab_methods argument and looking at cbranch_optab.
10814         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
10815         loop.  Use cbranch_optab directly.
10816         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
10817         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
10818         assertion.
10819         (emit_conditional_move, emit_conditional_add): Inline what's needed
10820         of compare_from_rtx, using new prepare_cmp_insn for the rest.
10821         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
10822         with COMPARE.  Move cmov_optab and cstore_optab above
10823         with cbranch_optab, move cmp_optab down with ucmp_optab,
10824         remove tst_otpab.  Do not initialize trap_rtx.
10825         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
10826         for trap code.  Do not check HAVE_conditional_trap.  Use
10827         prepare_cmp_insn.  Accept no predicate for operand 3.
10828         * optabs.h (OTI_cmp): Mark as used only for libcalls.
10829         (OTI_ctrap, ctrap_optab): New.
10830         (tst_optab): Delete.
10831         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
10832         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
10833         with lookup of ctrap_optab.
10834         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
10835         Delete.
10836         (ctrap_optab): New.
10837
10838         * combine.c (combine_simplify_rtx, simplify_set): Do not
10839         special case comparing against zero for cc0 machines.
10840         * simplify-rtx.c (simplify_binary_operation_1): Never remove
10841         COMPARE on cc0 machines.
10842         (simplify_relational_operation): Return a new expression when
10843         a COMPARE could be removed.
10844         * final.c (final_scan_insn): Compare cc_status values
10845         against LHS of a (compare FOO (const_int 0)) cc0 source.
10846         Also check if cc_status.value is the full compare.
10847
10848         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
10849         (cstoreMM4): Document.
10850         (conditional_trap): Document ctrapMM4 instead.
10851         (sync_compare_and_swapMM): Refer to cbranchcc4.
10852         (Dependent Patterns): Eliminate obsolete information referring to
10853         the old jump optimization phase.
10854         (Canonicalization): Include cbranchcc4 case, omit canonicalization
10855         of compares with 0 on cc0 machines.
10856         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
10857         avoiding references to cc0.  Remove text about storing operands
10858         in cmpMM.
10859         * doc/tm.texi (Condition Codes): Include blurb on different
10860         condition code representations, separate into subsections for
10861         CC0, MODE_CC and conditional execution.
10862
10863         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
10864         alpha_emit_setcc): Accept operands and a machine mode.
10865         * config/alpha/alpha.c (alpha_emit_conditional_branch):
10866         Get code/op0/op1 from operands, use machine mode argument
10867         instead of alpha_compare.fp_p.  Emit the branch here.
10868         (alpha_emit_setcc): Likewise, and return boolean.
10869         (alpha_emit_conditional_move): Likewise.  Assert that
10870         cmp_op_mode == cmp_mode, and simplify accordingly.
10871         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
10872         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
10873         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
10874         Delete.
10875         (stack probe test): Use cbranchdi4.
10876         * config/alpha/predicates.md (alpha_cbranch_operator): New.
10877
10878         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
10879         * config/arc/arc.h (movsicc, movsfcc): Use it.
10880         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
10881         (cbranchsi4, cstoresi4): New.
10882         (cmpsi, bCC and sCC expanders): Remove.
10883
10884         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
10885         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
10886         * config/arm/predicates.md (arm_comparison_operator): Only include
10887         floating-point operators if there is a hardware floating-point unit.
10888         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
10889         deferring to cbranch_cc and cstore_cc respectively.
10890         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
10891         cbranch_cc, cstore_cc): New.
10892         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
10893         arm_compare_op1.
10894         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
10895
10896         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
10897         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
10898         as an argument.
10899         (adjust_insn_length): Adjust calls.
10900         (avr_reorg): Handle (compare (foo) (const_int 0)).
10901         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
10902         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
10903         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
10904         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
10905         (bCC): Remove.
10906         (cbranchqi4, cbranchhi4, cbranchsi4): New.
10907         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
10908
10909         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
10910         (cbranchsi4, cstorebi4, cstoresi4): New.
10911         (movbisi): This insn is duplicate, split it to zero_extend.
10912         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
10913         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
10914         (bfin_optimize_loop): Use cbranch expander.
10915         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
10916         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
10917         (bfin_bimode_comparison_operator): ... this.
10918         (bfin_direct_comparison_operator): New.
10919
10920         * config/cris/cris.c (cris_normal_notice_update_cc): Look
10921         inside (compare FOO (const_int 0)).
10922         (cris_rtx_costs): Handle ZERO_EXTRACT.
10923         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
10924         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
10925         (*tstdi_v32): Delete.
10926         (*cmpdi_non_v32): Add M alternative for operand 1.
10927         (cmpsi, cmp<mode>): Make private.
10928         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
10929         with COMPARE.
10930         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
10931
10932         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
10933         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
10934         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
10935         (cc_reg_operand): New.
10936         (any_cond): Delete.
10937         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
10938         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
10939         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
10940         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
10941         crx_expand_scond): Delete.
10942
10943         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
10944         (cbranchsi4): New.
10945         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
10946         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
10947
10948         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
10949         cstoresi4, cstoresf4, cstoredf4): New.
10950         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
10951         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
10952         Receive the entire operands array.
10953         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
10954         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
10955         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
10956         Get test/op0/op1 from the operands array.
10957         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
10958
10959         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
10960         (h8300_expand_store): New.
10961         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
10962         (const_int 0)).
10963         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
10964         (h8300_expand_store): New.
10965         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
10966         or do not try to produce (set (cc0) REG).
10967         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
10968         change a compare into a move to a scratch register.  Disable some
10969         peepholes when comparing with zero.
10970         (tstsi, tsthi, tstsi, cmpqi): Make private.
10971         (cmphi): Delete.
10972         (bCC, sCC): Delete.
10973         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
10974         cstoresi4): New.
10975
10976         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
10977         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
10978         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
10979         (ix86_emit_i387_log1p): Use cbranchxf2.
10980         (ix86_expand_setcc): Return void.
10981         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
10982         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
10983         cmp<MODEF>, cmpcc): Remove.
10984         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
10985         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
10986         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
10987         (sCC and bCC expanders): Remove.
10988         (stack_protect_test): Use cbranchcc4.
10989
10990         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
10991         Delete.
10992         (ia64_expand_compare): Accept three rtx by reference and return void.
10993         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
10994         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
10995         from *expr.  Update *expr with the BImode comparison to do.
10996         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
10997         cmptf, bCC, sCC, conditional_trap): Delete.
10998         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
10999         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
11000         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
11001         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
11002         * config/ia64/predicates.md (ia64_cbranch_operator): New.
11003
11004         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
11005         type of last argument.
11006         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
11007         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
11008         use machine mode argument instead of branch_type.  Remove dead
11009         code for floating-point comparisons.
11010         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
11011         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
11012         Remove.
11013         (cbranchsi4, cstoresi4): New.
11014         * config/iq2000/predicates.md (reg_or_const_operand): New.
11015
11016         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
11017         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
11018         (b<code>_op): Rewrite to...
11019         (bcc_op): ... this, using match_operator.
11020         (s<code>_op): Rewrite to...
11021         (scc_op): ... this, using match_operator.
11022         (s<code>_24_op): Rewrite to...
11023         (scc_op_24): ... this, using match_operator.
11024         (s<code>_<mode>): Rewrite to...
11025         (cstore<mode>4): ... this, using match_operator.
11026         (s<code>_<mode>_24): Rewrite to...
11027         (cstore<mode>4_24): ... this, using match_operator.
11028         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
11029         m32c_unpend_compare, m32c_expand_scc): Delete.
11030         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
11031         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
11032         (m32c_expand_movcc): Change NE to EQ if necessary.
11033         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
11034
11035         * config/m32r/m32r-protos.h (gen_cond_store): New.
11036         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
11037         (gen_cond_store): New, from sCC patterns.
11038         (m32r_expand_block_move): Use cbranchsi4.
11039         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
11040         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
11041         (cbranchsi4, cstoresi4): New.
11042
11043         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
11044         Delete.
11045         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
11046         (m68hc11_notice_update_cc): Look into a compare with 0.
11047         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
11048         Delete.
11049         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
11050         cmphi, cmpqi, bCC): Delete.
11051         (cbranchsi4, cbranchhi4, cbranchqi4): New.
11052         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
11053         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
11054         sets with COMPARE.
11055
11056         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
11057         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
11058         * config/m68k/constraints.md (H): New.
11059         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
11060         the define_insn below.
11061         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
11062         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
11063         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
11064         patterns): Wrap RHS with COMPARE.
11065         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
11066         (*cmpdi_internal): Name this pattern.
11067         (cmpdi): Change to define_insn.
11068         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
11069         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
11070         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
11071         predicate.
11072         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
11073         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
11074         (conditional_trap): Change to...
11075         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
11076         (*conditional_trap): Use the ordered_comparison_operator and
11077         const1_operand predicates.
11078         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
11079         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
11080         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
11081         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
11082
11083         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
11084         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
11085         (mcore_gen_compare): New.
11086         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
11087         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
11088         (mcore_gen_compare): ... this.
11089         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
11090         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
11091         (stack probe pattern): Use cbranchsi4.
11092
11093         * config/mips/predicates.md (mips_cstore_operator): New.
11094         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
11095         * config/mips/mips.md (any_cond): Delete.
11096         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
11097         always succeed.
11098         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
11099         fixuns_truncsfdi2): Use cbranch patterns.
11100         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
11101         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
11102         Adjust call to mips_expand_conditional_branch.
11103         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
11104         cstore<GPR:mode>4.
11105         * config/mips/mips-protos.h (mips_expand_conditional_branch,
11106         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
11107         * config/mips/mips.c (cmp_operands): Delete.
11108         (mips_emit_compare): Get comparison operands from *op0/*op1.
11109         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
11110         that it succeeds.  Use op0/op1 instead of cmp_operands.
11111         (mips_expand_conditional_branch, mips_expand_conditional_move,
11112         mips_expand_conditional_trap): Likewise.
11113         (mips_block_move_loop): Use cbranch patterns.
11114         * config/mips/mips.h (cmp_operands): Delete.
11115
11116         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
11117         (mmix_gen_compare_reg): Just return a register in the right CC mode.
11118         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
11119         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
11120         (*cmpcc_folded): Rename to...
11121         (*cmpdi_folded): this.
11122         (*cmpcc): Rename to...
11123         (*cmps): ... this.
11124         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
11125         (bCC): Remove.
11126         (cbranchdi4): New.
11127         (cbranchdf4): New.  Handle invalid comparisons here.
11128         * config/mmix/predicates.md (float_comparison_operator): New.
11129
11130         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
11131         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
11132         * config/mn10300/mn10300.md (tst): Delete.
11133         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
11134         Name these patterns and wrap RHS in a compare.
11135         (*cmpsi): Make this pattern private.  Include tst.
11136         (*cmpsf): Make this pattern private.
11137         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
11138         (compare with zero peepholes): Likewise.
11139         (bCC): Remove.
11140         (cbranchsi4, cbranchsf4): New.
11141         (casesi): Use cbranchsi4.
11142
11143         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
11144         hppa_branch_type): Delete.
11145         (return_addr_rtx): Use cbranchsi4.
11146         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
11147         Emit CCFPmode comparison here.
11148         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
11149         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
11150         hppa_branch_type): Delete.
11151         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
11152         (movsicc, movdicc): Remove references to hppa_compare_op0,
11153         hppa_compare_op1 and compare_from_rtx.
11154         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
11155         (casesi): Use cbranchsi4.
11156
11157         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
11158         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
11159         * config/pdp11/pdp11.md (register_or_const0_operand): New.
11160         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
11161         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
11162         (bCC): Delete.
11163         (cbranchdf4, cbranchhi4, cbranchqi4): New.
11164         (*branch, *branch_inverted): New.
11165
11166         * config/picochip/picochip.md (cbranchhi4): Use
11167         ordered_comparison_operator.
11168         (cmphi, bCC): Remove.
11169
11170         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
11171         (trap_comparison_operator): Delete.
11172         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
11173         rs6000_emit_cbranch): Accept mode and operands.
11174         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
11175         rs6000_compare_fp_p): Delete.
11176         (rs6000_generate_compare): Accept mode and comparison.  Extract code
11177         and op0/op1 from there.  Replace references to rs6000_compare_op0
11178         and rs6000_compare_op1.
11179         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
11180         extract result from passed operands.
11181         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
11182         extract loc from passed operands.
11183         (rs6000_emit_cmove): Likewise.
11184         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
11185         rs6000_compare_fp_p): Delete.
11186         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
11187         (cbranch<GPR>4, cbranch<FP>4): New.
11188         (cstore<mode>4): New.  Consolidate here all choices about when to use
11189         portable or specialized sCC sequences.
11190         (stack_protect_test): Use cbranchsi4.
11191         (conditional_trap): Replace with ctrap<GPR>4.
11192         (conditional trap insn): Replace trap_comparison_operator with
11193         ordered_comparison_operator.
11194
11195         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
11196         (s390_emit_prologue): Use ctrap.
11197         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
11198         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
11199         New predicates replacing...
11200         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
11201         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
11202         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
11203         (add<mode>cc): Do not use s390_compare_op0/op1.
11204         (s<code>): Change to...
11205         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
11206         (seq): Change to...
11207         (cstorecc4): ... this.  Handle EQ or NE equally.
11208         (*sne): Un-privatize for use in cstorecc4.
11209         (b<code>): Change to...
11210         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
11211         (conditional_trap): Replace with...
11212         (ctrap<GPR>4, ctrap<FP>4): ... these.
11213         (stack_protect): Use cbranchcc4.
11214
11215         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
11216         * config/score/score-protos.h (score_gen_cmp): Delete.
11217         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
11218         (score_block_move-loop): Use cbranchsi4.
11219         * config/score/score.md (cbranchsi4): New.
11220         (cmpsi, bCC): Delete.
11221         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
11222         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
11223         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
11224         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
11225         * config/score/score3.h (score3_gen_cmp): Delete.
11226         * config/score/score7.h (score7_gen_cmp): Delete.
11227
11228         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
11229         (sh_emit_scc_to_t): ... this.  Return void.
11230         (from_compare): Rename to...
11231         (sh_emit_compare_and_branch): ... this.
11232         (sh_emit_compare_and_set): New.
11233         (sh_expand_t_scc): Accept operands.
11234         * config/sh/predicates.md (sh_float_comparison_operator): New.
11235         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
11236         (prepare_scc_operands): Rename to...
11237         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
11238         arguments.
11239         (sh_emit_cheap_store_flag): New.
11240         (sh_emit_set_t_insn): New.
11241         (from_compare): Rename to...
11242         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
11243         handling of TARGET_SH2E floating point to avoid recursive call.
11244         Generate branch here.
11245         (sh_emit_compare_and_set): New.
11246         (sh_expand_t_scc): Get op0/op1 from arguments.
11247         (sh_emit_cheap_store_flag): New.
11248         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
11249         cases.
11250         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
11251         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
11252         (movsicc, movdicc): Do nothing when it recreated operands from
11253         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
11254         prepare_scc_operands (now sh_emit_scc_to_t).
11255         (udivdi3): Use cstoresi4.
11256         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
11257         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
11258         (cbranchint4_media, cbranchfp4_media): New.
11259         (casesi): Use cbranchdi4.
11260         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
11261         Delete.
11262         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
11263         (movnegt): Remove second operand.
11264         (cbranchsf4, cbranchdf4): New.
11265         (stack_protect): Use cbranchdi4/cbranchsi4.
11266
11267         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
11268         (gen_compare_reg): Accept comparison, extract part of it to...
11269         (gen_compare_reg_1): ... this.
11270         (gen_compare_operator): Delete.
11271         (gen_v9_scc): Accept separate destination, comparison code and arms.
11272         Do not use sparc_compare_op0/sparc_compare_op1.
11273         (emit_scc_insn, emit_conditional_branch_insn): New.
11274         (emit_v9_brxx): Make static.  Remove useless assertion.
11275         (sparc_emit_float_lib_cmp): Return RTL instead of calling
11276         emit_cmp_insn.
11277         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
11278         * config/sparc/sparc-protos.h (gen_compare_reg,
11279         sparc_emit_float_lib_cmp): Adjust prototype.
11280         (emit_scc_insn, emit_conditional_branch_insn): New.
11281         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
11282         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
11283         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
11284         iterators to the top.
11285         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
11286         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
11287         snedi_special_trunc): Delete.
11288         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
11289         and snedi_special_trunc.
11290         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
11291         cbranchdi4, cbranch<F:mode>4): New.
11292         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
11293         here.  Use gen_compare_reg instead of gen_compare_operator.
11294         (conditional_trap): Replace with...
11295         (ctrapsi4, ctrapdi4): ... this.
11296         (stack_protect_test): Use cbranchcc4.
11297
11298         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
11299         argument to rtx.
11300         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
11301         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
11302         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
11303         from operands[0] or operands[3] depending on is_set.
11304         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
11305         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
11306         cmpdf, bCC), sCC: Remove.
11307         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
11308         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
11309         cstoredf4): New.
11310         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
11311         spu_emit_branch_or_set.
11312
11313         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
11314         Add two arguments.
11315         * config/stormy16/stormy16.h (xstormy16_compare_op0,
11316         xstormy16_compare_op1): Delete.
11317         * config/stormy16/stormy16.c (xstormy16_compare_op0,
11318         xstormy16_compare_op1): Delete.
11319         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
11320         Adjust calls.
11321         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
11322         (cmphi, cmpsi, bCC): Remove.
11323
11324         * config/v850/v850.md (tstsi, cmpsi): Fold into...
11325         (*cmpsi): ... this one.
11326         (cbranchsi4, cstoresi4): New.
11327         (bCC expanders): Delete.
11328         (sCC insns): Fold into...
11329         (*setcc): ... this one.
11330         (casesi): Do not use gen_cmpsi and gen_bgtu.
11331         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
11332         (movsicc): Simplify.
11333         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
11334
11335         * config/vax/vax-protos.h (cond_name): New.
11336         (vax_output_conditional_branch): Remove.
11337         * config/vax/vax.c (cond_name): New.
11338         (vax_output_conditional_branch): Remove.
11339         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
11340         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
11341         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
11342         (bit<VAXint>): Wrap source with (compare).
11343         (b<code> and following unnamed pattern): Rename to *branch and
11344         *branch_reversed.  Change macroization to match_operator.
11345         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
11346
11347         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
11348         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
11349         Change last argument to machine_mode.
11350         (xtensa_expand_scc): Add machine_mode argument.
11351         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
11352         (gen_conditional_move, xtensa_expand_conditional_branch,
11353         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
11354         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
11355         Adjust operand numbers.
11356         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
11357         Delete.
11358         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
11359         (cmpsi, cmpsf, b<code>, s<code>): Delete.
11360         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
11361
11362 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
11363
11364         * optabs.c (prepare_cmp_insn): Temporarily disable test that
11365         causes spurious differences between trunk and cond-optab branch.
11366
11367 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
11368
11369         PR target/37137
11370         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
11371
11372 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
11373
11374         * tree.c (iterative_hash_pointer): Delete.
11375         (iterative_hash_expr): Short-circuit handling of NULL pointer.
11376         Hash UIDs and versions of SSA names.  Don't special-case built-in
11377         function declarations.
11378
11379 2009-05-11  Ian Lance Taylor  <iant@google.com>
11380
11381         PR bootstrap/40103
11382         * graphite.c: Force -Wc++-compat to only be a warning before
11383         #including "cloog/cloog.h".
11384
11385 2009-05-11  Martin Jambor  <mjambor@suse.cz>
11386
11387         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
11388
11389 2009-05-11  Jan Hubicka  <jh@suse.cz>
11390
11391         * tree-ssa-loop-ivcanon.c: Include target.h
11392         (struct loop_size): new structure.
11393         (constant_after_peeling): New predicate.
11394         (tree_estimate_loop_size): New function.
11395         (estimated_unrolled_size): Rewrite for new estimates.
11396         (try_unroll_loop_completely): Use new estimates.
11397         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
11398
11399 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11400
11401         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
11402         libcpp interface change.
11403         (spu_macro_to_expand): Likewise.
11404
11405 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
11406
11407         PR tree-optimization/40026
11408         * gimplify.c (gimplify_init_constructor): Change initial conditional
11409         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
11410         optimize_compound_literals_in_ctor.
11411
11412 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
11413
11414         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
11415         New devices.
11416         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
11417
11418 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
11419
11420         * tree-vect-data-refs.c (vect_analyze_group_access): Use
11421         HOST_WIDE_INT for gap.
11422
11423 2009-05-11  Ira Rosen  <irar@il.ibm.com>
11424
11425         PR tree-optimization/40074
11426         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
11427         account in group size and step comparison.
11428
11429 2009-05-11  Richard Guenther  <rguenther@suse.de>
11430
11431         * passes.c (init_optimization_passes): Strip now incorrect comment.
11432         (execute_function_todo): Do not set PROP_alias.
11433         * tree-pass.h (PROP_alias): Remove.
11434         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
11435         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
11436         * tree-nrv.c (pass_return_slot): Likewise.
11437         * tree-object-size.c (pass_object_sizes): Likewise.
11438         * tree-ssa-dom.c (pass_dominator): Likewise.
11439         (pass_phi_only_cprop): Likewise.
11440         * tree-ssa-dse.c (pass_dse): Likewise.
11441         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
11442         (pass_cselim): Likewise.
11443         * tree-ssa-pre.c (pass_pre): Likewise.
11444         (pass_fre): Likewise.
11445         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
11446         * tree-ssa-sink.c (pass_sink_code): Likewise.
11447         * tree-stdarg.c (pass_stdarg): Likewise.
11448         * tree-tailcall.c (pass_tail_calls): Likewise.
11449         * tree-vrp.c (pass_vrp): Likewise.
11450
11451 2009-05-10  Ian Lance Taylor  <iant@google.com>
11452
11453         * basic-block.h (enum profile_status): Break out of struct
11454         control_flow_graph.
11455         * cgraph.h (struct inline_summary): Break out of struct
11456         cgraph_local_info.
11457         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
11458         of struct cgraph_order_sort.
11459         * combine.c (enum undo_kind): New enum, broken out of struct undo.
11460         * cse.c (struct branch_path): Break out of struct
11461         cse_basic_block_data.
11462         * except.h (enum eh_region_type): Break out of struct eh_region.
11463         * gcc.c (enum add_del): Break out of struct modify_target.
11464         * genrecog.c (enum decision_type): Break out of struct decision_test.
11465         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
11466         ggc_pch_data.
11467         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
11468         * regmove.c (enum match_use): New enum, broken out of struct match.
11469         * sched-int.h (enum post_call_group): New enum, broken out of
11470         struct deps.
11471         (struct deps_reg): Break out of struct deps.
11472         * target.h (struct asm_int_op): Break out of struct gcc_target.
11473         * tree-eh.c (struct goto_queue_node): Break out of struct
11474         leh_tf_state.
11475         * tree-inline.h (enum copy_body_cge_which): Break out of
11476         copy_body_data.
11477         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
11478
11479         * c-decl.c (in_struct, struct_types): New static variables.
11480         (pushtag): Add loc parameter.  Change all callers.
11481         (lookup_tag): Add ploc parameter.  Change all callers.
11482         (check_compound_literal_type): New function.
11483         (parser_xref_tag): Add loc parameter.  Change all callers.  If
11484         -Wc++-compat, warn about struct/union/enum types defined within a
11485         struct or union.
11486         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
11487         and loc parameters.  Change all callers.  Change error calls to
11488         error_at, using loc.  For a redefinition, if the location of the
11489         original definition is known, report it.  Set in_struct and
11490         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
11491         (finish_struct): Add new parameters enclosing_in_struct and
11492         enclosing_struct_types.  Change all callers.  Set
11493         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
11494         in the struct.  If in a struct, add this struct to struct_types.
11495         (start_enum): Add loc parameter.  Change all callers.  Use
11496         error_at for errors, using loc.  For a redefinition, if the
11497         location of the original definition is known, report it.  If in a
11498         struct, add this enum type to struct_types.  If -Wc++-compat warn
11499         if in sizeof, typeof, or alignof.
11500         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
11501         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
11502         (c_parser_enum_specifier): Get enum location for start_enum.
11503         (c_parser_struct_or_union_specifier): Get struct location for
11504         start_struct.  Save in_struct and struct_types status between
11505         start_struct and finish_struct.
11506         (c_parser_cast_expression): Get location of cast.
11507         (c_parser_alignof_expression): Get location of type.
11508         (c_parser_postfix_expression): Likewise.
11509         (c_parser_postfix_expression_after_paren_type): Add type_loc
11510         parameter.  Change all callers.  Call check_compound_literal_type.
11511         Use type_loc for error about variable size type.
11512         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
11513         of an enum constant from an enum type defined in a struct or union.
11514         (c_cast_expr): Add loc parameter.  Change all callers.  If
11515         -Wc++-compat, warn about defining a type in a cast.
11516         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
11517         (start_enum, start_struct, finish_struct): Update declarations.
11518         (parser_xref_tag, c_cast_expr): Update declarations.
11519         (check_compound_literal_type): Declare.
11520
11521 2009-05-11  Ben Elliston  <bje@au.ibm.com>
11522
11523         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
11524         for recent libcpp interface change.
11525         (rs6000_macro_to_expand): Likewise.
11526
11527 2009-05-10  Michael Matz  <matz@suse.de>
11528
11529         PR target/40031
11530         * config/arm/arm.c (require_pic_register): Emit on entry edge,
11531         not at entry of function.
11532
11533 2009-05-10  Richard Guenther  <rguenther@suse.de>
11534
11535         PR tree-optimization/40081
11536         Revert
11537         * tree-sra.c (instantiate_element): Instantiate scalar replacements
11538         using the main variant of the element type.  Do not fiddle with
11539         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
11540
11541         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
11542         structs with volatile fields.
11543
11544 2009-05-10  Jan Hubicka  <jh@suse.cz>
11545
11546         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
11547         (estimate_move_cost): Assert that it does not get called for
11548         VOID_TYPE_P.
11549         (estimate_num_insns): Skip VOID types in argument handling.
11550         (optimize_inline_calls): Delete unreachable blocks and verify that
11551         callgraph is valid.
11552
11553 2009-05-10  Jan Hubicka  <jh@suse.cz>
11554
11555         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
11556         * cgraph.c (cgraph_mark_address_taken_node): New function.
11557         (dump_cgraph_node): Dump new flag.
11558         * cgraph.h (struct cgraph_node): Add address_taken.
11559         (cgraph_mark_address_taken_node): New function.
11560         * ipa.c (cgraph_postorder): Prioritize functions with address taken
11561         since new direct calls can be born.
11562
11563 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
11564
11565         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
11566         tok->val.node.node.
11567
11568 2009-05-10  Jan Hubicka  <jh@suse.cz>
11569
11570         PR middle-end/40084
11571         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
11572         argument; rewrite.
11573         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
11574         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
11575         * tree-inline.c (copy_bb): Set frequency correctly.
11576         (fold_marked_statements): Update call to
11577         cgraph_update_edges_for_call_stmt.
11578
11579 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
11580
11581         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
11582         identifiers in diagnostics.
11583         * config/arm/arm.c (arm_handle_fndecl_attribute,
11584         arm_handle_isr_attribute): Likewise.
11585         * config/avr/avr.c (avr_handle_progmem_attribute,
11586         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
11587         * config/bfin/bfin.c (handle_int_attribute,
11588         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
11589         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
11590         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
11591         Likewise.
11592         * config/darwin.c (darwin_handle_kext_attribute,
11593         darwin_handle_weak_import_attribute): Likewise.
11594         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
11595         h8300_handle_eightbit_data_attribute,
11596         h8300_handle_tiny_data_attribute): Likewise.
11597         * config/i386/i386.c (ix86_handle_cconv_attribute,
11598         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
11599         * config/i386/winnt.c (ix86_handle_shared_attribute,
11600         ix86_handle_selectany_attribute): Likewise.
11601         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
11602         * config/m32c/m32c.c (function_vector_handler): Likewise.
11603         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
11604         m68hc11_handle_fntype_attribute): Likewise.
11605         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
11606         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
11607         * config/mips/mips.c (mips_insert_attributes,
11608         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
11609         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
11610         rs6000_handle_struct_attribute): Likewise.
11611         * config/sh/sh.c (sh_insert_attributes,
11612         sh_handle_resbank_handler_attribute,
11613         sh_handle_interrupt_handler_attribute,
11614         sh2a_handle_function_vector_handler_attribute,
11615         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11616         Likewise.
11617         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
11618         * config/spu/spu.c (spu_handle_fndecl_attribute,
11619         spu_handle_vector_attribute): Likewise.
11620         * config/stormy16/stormy16.c
11621         (xstormy16_handle_interrupt_attribute): Likewise.
11622         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
11623         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
11624
11625 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
11626
11627         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
11628         (pp_translate_identifiers): New.
11629         (pp_identifier): Only conditionally translate identifier to locale
11630         character set.
11631         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
11632         (pp_base_tree_identifier): Only conditionally translate identifier
11633         to locale character set.
11634         * c-pretty-print.c (M_): Define.
11635         (pp_c_type_specifier, pp_c_primary_expression): Mark English
11636         fragments for conditional translation with M_.
11637         * tree-pretty-print.c (maybe_init_pretty_print): Disable
11638         identifier translation.
11639
11640 2009-05-10  Richard Guenther  <rguenther@suse.de>
11641
11642         PR tree-optimization/40081
11643         * tree-sra.c (instantiate_element): Instantiate scalar replacements
11644         using the main variant of the element type.  Do not fiddle with
11645         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
11646
11647 2009-05-09  Jan Hubicka  <jh@suse.cz>
11648
11649         PR middle-end/40080
11650         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
11651         indirect calls; verify cgraph afterwards.
11652
11653 2009-05-09  Jan Hubicka  <jh@suse.cz>
11654
11655         PR bootstrap/40082
11656         * ipa.c (update_inlined_to_pointer): New function.
11657         (cgraph_remove_unreachable_nodes): Use it.
11658
11659 2009-05-09  Jan Hubicka  <jh@suse.cz>
11660
11661         * tree-eh.c (struct leh_state): Remove prev_try.
11662         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
11663         not track prev_try.
11664         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
11665         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
11666         remove_eh_handler_and_replace, foreach_reachable_handler,
11667         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
11668         * except.h (struct eh_region): Remove eh_region_u_cleanup.
11669         (gen_eh_region_cleanup): Update prototype.
11670
11671 2009-05-09  Jan Hubicka  <jh@suse.cz>
11672
11673         PR middle-end/40043
11674         * except.c (copy_eh_region): Always set prev_try.
11675         (redirect_eh_edge_to_label): Find outer try.
11676         (foreach_reachable_handler): When looking for prev try
11677         handle case where previous try is not going to be taken.
11678
11679 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
11680
11681         PR tree-optimization/40049
11682         * tree-vect-stmts.c (vectorizable_operation): If the machine has
11683         only vector/vector shifts, convert the type of the constant to the
11684         appropriate type to avoid building incorrect trees, which
11685         eventually have problems with garbage collection.
11686
11687 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
11688
11689         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
11690         -1 for complex floating-point types if honoring signed zeros.
11691
11692 2009-05-08  Jan Hubicka  <jh@suse.cz>
11693
11694         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
11695         argument; handle correctly when profile is absent.
11696         (build_cgraph_edges): Update.
11697         (rebuild_cgraph_edges): Update.
11698         * cgraph.c: Do not include varray.h.
11699         (cgraph_set_call_stmt_including_clones): New function.
11700         (cgraph_create_edge_including_clones): Likewise
11701         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
11702         (cgraph_update_edges_for_call_stmt): Handle clones.
11703         (cgraph_remove_node): Handle clone tree.
11704         (cgraph_remove_node_and_inline_clones): New function.
11705         (dump_cgraph_node): Dump clone tree.
11706         (cgraph_clone_node): Handle clone tree.
11707         (clone_function_name): Bring here from tree-inline.c.
11708         (cgraph_create_virtual_clone): New function.
11709         * cgraph.h (ipa_replace_map): Move here from ipa.h.
11710         (cgraph_clone_info): New function.
11711         (strut cgraph_node): Add clone_info and new clone tree pointers.
11712         (cgraph_remove_node_and_inline_clones,
11713         cgraph_set_call_stmt_including_clones,
11714         cgraph_create_edge_including_clones,
11715         cgraph_create_virtual_clone): Declare.
11716         (cgraph_function_versioning): Use VEC argument.
11717         (compute_call_stmt_bb_frequency): Update prototype.
11718         (cgraph_materialize_all_clones): New function.
11719         * ipa-cp.c (ipcp_update_cloned_node): Remove.
11720         (ipcp_create_replace_map): Update to VECtors.
11721         (ipcp_update_callgraph): Use virtual clones.
11722         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
11723         (ipcp_update_profiling): Do not update local profiling.
11724         (ipcp_insert_stage): Use VECtors and virtual clones.
11725         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
11726         (clone_of_p): New function.
11727         (cgraph_preserve_function_body_p): Use clone tree.
11728         (cgraph_optimize): Materialize clones.
11729         (cgraph_function_versioning): Update for VECtors.
11730         (save_inline_function_body): Use clone tree.
11731         (cgraph_materialize_clone): New function.
11732         (cgraph_materialize_all_clones): Likewise.
11733         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
11734         * ipa.c: Include gimple.h.
11735         (cgraph_remove_unreachable_nodes): Use clone tree.
11736         * ipa-prop.c (ipa_note_param_call): Update call to
11737         compute_call_stmt_bb_frequencycall.
11738         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
11739         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
11740         (copy_bb): Handle updating of clone tree; add new edge when new call
11741         appears.
11742         (expand_call_inline): Be strict about every call having edge.
11743         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
11744         (delete_unreachable_blocks_update_callgraph): New function.
11745         (tree_function_versioning): Use VECtors; always remove unreachable
11746         blocks and fold conditionals.
11747         * tree-inline.h: Do not include varray.h.
11748         (tree_function_versioning): Remove.
11749         * Makefile.in (GTFILES): Remove tree-inline.c
11750         * passes.c (do_per_function): Do only functions having body.
11751         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
11752         tree.
11753
11754 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
11755             Andrew Morrow  <acm@google.com>
11756
11757         PR c/36892
11758         * c-common.c (c_common_attribute_table): Permit deprecated
11759         attribute to take an optional argument.
11760         (handle_deprecated_attribute): If the optional argument to
11761         __attribute__((deprecated)) is not a string ignore the attribute
11762         and emit a warning.
11763
11764         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
11765         * c-typeck.c (build_component_ref): Likewise.
11766         (build_external_ref): Likewise.
11767
11768         * toplev.c (warn_deprecated_use): Add an attribute argument.
11769         Emit the message associated with __attribute__((deprecated)).
11770
11771         * toplev.h (warn_deprecated_use): Updated.
11772
11773         * doc/extend.texi: Document new optional parameter to
11774         __attribute__((deprecated))
11775
11776 2009-05-08  Michael Eager <eager@eagercon.com>
11777
11778         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
11779         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
11780
11781 2009-05-08  Richard Guenther  <rguenther@suse.de>
11782
11783         PR tree-optimization/40062
11784         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
11785         Avoid exponential behavior.
11786
11787 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
11788
11789         PR rtl-optimization/33928
11790         PR 26854
11791         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
11792         process_uses, build_single_def_use_links): New.
11793         (update_df): Update use_def_ref.
11794         (forward_propagate_into): Use get_def_for_use instead of use-def
11795         chains.
11796         (fwprop_init): Call build_single_def_use_links and let it initialize
11797         dataflow.
11798         (fwprop_done): Free use_def_ref.
11799         (fwprop_addr): Eliminate duplicate call to df_set_flags.
11800         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
11801         df_rd_simulate_one_insn): New.
11802         (df_rd_bb_local_compute_process_def): Update head comment.
11803         (df_chain_create_bb): Use the new RD simulation functions.
11804         * df.h (df_rd_simulate_artificial_defs_at_top,
11805         df_rd_simulate_one_insn): New.
11806         * opts.c (decode_options): Enable fwprop at -O1.
11807         * doc/invoke.texi (-fforward-propagate): Document this.
11808
11809 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
11810
11811         PR c/24581
11812         * c-typeck.c (build_binary_op): Handle arithmetic between one real
11813         and one complex operand specially.
11814         * tree-complex.c (some_nonzerop): Do not identify a real value as
11815         zero if flag_signed_zeros.
11816
11817 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
11818
11819         PR rtl-optimization/33928
11820         * loop-invariant.c (record_use): Fix && vs. || mishap.
11821
11822 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
11823
11824         PR rtl-optimization/33928
11825         * loop-invariant.c (struct use): Add addr_use_p.
11826         (struct def): Add n_addr_uses.
11827         (struct invariant): Add cheap_address.
11828         (create_new_invariant): Set cheap_address.
11829         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
11830         (record_uses): Pass df_ref to record_use.
11831         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
11832         used only as such.
11833
11834 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
11835
11836         * config/sh/sh.c: Do not include c-pragma.h.
11837
11838 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11839
11840         * config/spu/spu.c: Remove include of c-common.h.
11841
11842 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
11843
11844         PR c/39037
11845         * c-common.h (mark_valid_location_for_stdc_pragma,
11846         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
11847         clear_float_const_decimal64, float_const_decimal64_p): New.
11848         * c.opt (Wunsuffixed-float-constants): New.
11849         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
11850         unsuffixed float constant, handle new warning.
11851         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
11852         * c-decl.c (c_scope): New flag float_const_decimal64.
11853         (set_float_const_decimal64, clear_float_const_decimal64,
11854         float_const_decimal64_p): New.
11855         (push_scope): Set new flag.
11856         * c-parser.c (c_parser_translation_unit): Mark when it's valid
11857         to use STDC pragmas.
11858         (c_parser_external_declaration): Ditto.
11859         (c_parser_compound_statement_nostart): Ditto.
11860         * c-pragma.c (valid_location_for_stdc_pragma,
11861         mark_valid_location_for_stdc_pragma,
11862         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
11863         handle_pragma_float_const_decimal64): New.
11864         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
11865         * cp/semantics.c (valid_location_for_stdc_pragma_p,
11866         set_float_const_decimal64, clear_float_const_decimal64,
11867         float_const_decimal64_p): New dummy functions.
11868         * doc/extend.texi (Decimal Float): Remove statement that the
11869         pragma, and suffix for double constants, are not supported.
11870         * doc/invoke.texi (Warning Options): List new option.
11871         (-Wunsuffixed-float-constants): New.
11872
11873 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
11874
11875         * config/i386/i386.c: Do not include c-common.h.
11876
11877 2009-05-07  Mark Heffernan  <meheff@google.com>
11878
11879         * doc/invoke.texi (Debugging Options): Document change of debugging
11880         dump location.
11881         * opts.c (decode_options): Make dump_base_name relative to
11882         aux_base_name directory.
11883
11884 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
11885
11886         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
11887         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
11888
11889 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
11890
11891         * Makefile.in (install-plugin): Simplify a bit.
11892
11893 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
11894
11895         * Makefile.in (OBJS-common): Add regcprop.o.
11896         (regcprop.o): New.
11897         * timevar.def (TV_CPROP_REGISTERS): New.
11898         * regrename.c (regrename_optimize): Return 0.
11899         (rest_of_handle_regrename): Delete.
11900         (pass_rename_registers): Point to regrename_optimize.
11901         (struct value_data_entry, struct value_data,
11902         kill_value_one_regno, kill_value_regno, kill_value,
11903         set_value_regno, init_value_data, kill_clobbered_value,
11904         kill_set_value, kill_autoinc_value, copy_value,
11905         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
11906         replace_oldest_value_reg, replace_oldest_value_addr,
11907         replace_oldest_value_mem, copyprop_hardreg_forward_1,
11908         debug_value_data, validate_value_data): Move...
11909         * regcprop.c: ... here.
11910         (rest_of_handle_cprop): Delete.
11911         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
11912
11913 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
11914
11915         PR middle-end/40057
11916         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
11917         GEN_INT for 1 << bitnum.
11918         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
11919         build_int_cst_type.
11920
11921 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
11922
11923         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
11924         Remove wrong description of "nand" operation.
11925
11926 2009-05-06  Richard Guenther  <rguenther@suse.de>
11927             Adam Nemet  <anemet@caviumnetworks.com>
11928
11929         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
11930         comment.  Add that if LHS is not a gimple register, then RHS1 has
11931         to be a single object (GIMPLE_SINGLE_RHS).
11932
11933 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
11934
11935         * expr.c (get_def_for_expr): Move it up in the file.
11936         (store_field): When expanding a bit-field store, look at the
11937         defining gimple stmt for the masking conversion.
11938
11939 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
11940
11941         PR middle-end/39986
11942         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
11943         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
11944         32-bit memcpy into long.
11945
11946 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
11947
11948         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
11949         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
11950         new_reg_loc_descr.
11951         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
11952         instead of appending DW_OP_deref*.
11953
11954 2009-05-06  Michael Matz  <matz@suse.de>
11955
11956         PR middle-end/40021
11957         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
11958         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
11959
11960 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
11961
11962         * Makefile.in (install-plugin): Fix srcdir handling.
11963
11964 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
11965
11966         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
11967         when processing for not_regs_needed bitmap.
11968         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
11969         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
11970         handling it for rhs.
11971
11972 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
11973
11974         * config/i386/i386.md (unnamed inc/dec peephole): Use
11975         optimize_insn_for_size_p instead of optimize_size.
11976         * config/i386/predicates.md (incdec_operand): Likewise.
11977         (aligned_operand): Likewise.
11978         * config/i386/sse.md (divv8sf3): Likewise.
11979         (sqrtv8sf2): Likewise.
11980
11981 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
11982
11983         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
11984
11985         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
11986
11987 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
11988
11989         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
11990         ssemodesuffixf2c with avxmodesuffixf2c.
11991
11992 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
11993
11994         PR c/40032
11995         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
11996
11997 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
11998
11999         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
12000         (struct tree_base): Adjust spacing for 8 bit boundaries.
12001         (struct tree_decl_common): Add decl_by_reference_flag bit.
12002         (DECL_BY_REFERENCE): Adjust.
12003         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
12004         print DECL_BY_REFERENCE bit.
12005         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
12006         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
12007         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
12008         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
12009         unconditionally.
12010
12011         PR middle-end/39666
12012         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
12013         range of the type, but default label is missing, add it with one
12014         of the existing labels instead of adding a new label for it.
12015
12016 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
12017
12018         * dwarf.h: Remove.
12019
12020 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
12021
12022         * Makefile.in (enable_plugin, plugin_includedir): New.
12023         (install): Depend on install-plugin.
12024         (PLUGIN_HEADERS): New.
12025         (install-plugin): New.
12026         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
12027
12028 2009-05-05  Richard Guenther  <rguenther@suse.de>
12029
12030         PR tree-optimization/40022
12031         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
12032         the only vuse.
12033         (phivn_valid_p): Fix tuplification error, simplify.
12034         (phiprop_insert_phi): Add dumps.
12035         (propagate_with_phi): Simplify.
12036
12037 2009-05-05  Richard Guenther  <rguenther@suse.de>
12038
12039         PR middle-end/40023
12040         * builtins.c (gimplify_va_arg_expr): Properly build the address.
12041
12042 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
12043
12044         * tree.h (strip_float_extensions): Remove duplicate declaration.
12045         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
12046         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
12047         block_ultimate_origin): Rearrange the declarations line to match the
12048         comment that indicates the .c file which the functions are defined.
12049         (dwarf2out_*, set_decl_rtl): Add comment.
12050         (get_base_address): Adjust comment.
12051         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
12052         declarations line and add comment.
12053         (is_builtin_name): Add blank after function name, for clarity.
12054
12055 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
12056
12057         * attribs.c (decl_attributes): Use %qE for identifiers in
12058         diagnostics.
12059         * cgraphunit.c (verify_cgraph_node): Translate function names to
12060         locale character set in diagnostics.
12061         * coverage.c (get_coverage_counts): Use %qE for identifiers in
12062         diagnostics.
12063         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
12064         Document that functions are named in UTF-8.
12065         * expr.c (expand_expr_real_1): Translate function names to locale
12066         character set in diagnostics.
12067         * gimplify.c (omp_notice_variable, omp_is_private,
12068         gimplify_scan_omp_clauses): Use %qE for identifiers in
12069         diagnostics.
12070         * langhooks.c (lhd_print_error_function): Translate function names
12071         to locale character set.
12072         * langhooks.h (decl_printable_name): Document that return value is
12073         in internal character set.
12074         * stmt.c: Include pretty-print.h
12075         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
12076         diagnostics.
12077         (resolve_operand_name_1): Translate named operand name to locale
12078         character set.
12079         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
12080         diagnostics.
12081         * toplev.c (announce_function): Translate function names to locale
12082         character set.
12083         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
12084         (default_tree_printer): Use pp_identifier or translate identifiers
12085         to locale character set.  Mark "<anonymous>" for translation.
12086         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
12087         for identifiers in diagnostics.
12088         * tree.c (handle_dll_attribute): Use %qE for identifiers in
12089         diagnostics.
12090         * varasm.c (output_constructor): Use %qE for identifiers in
12091         diagnostics.
12092
12093 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
12094
12095         * configure.ac: use ` ` instead of $()
12096         * configure: Regenerate.
12097
12098 2009-05-05  Ben Elliston  <bje@au.ibm.com>
12099
12100         * config/pa/linux-atomic.c: Eliminate conditional include of
12101         errno.h on non-LP64 systems to simplify build requirements.
12102
12103 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
12104
12105         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
12106         diagnostics.
12107         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
12108         and pass value to identifier_to_locale.
12109         (warn_variable_length_array): Make name a tree.
12110         (grokdeclarator): Separate diagnostic texts for named and unnamed
12111         declarators.  Use %qE for named declarators.
12112         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
12113         diagnostics.
12114         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
12115         identifiers in diagnostics.
12116         * c-typeck.c (push_member_name, start_init): Pass identifiers to
12117         identifier_to_locale.  Mark "anonymous" strings for translation.
12118
12119 2009-05-04  Michael Eager <eager@eagercon.com>
12120
12121         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
12122         address for DImode/DFmode only if double-precision FP regs.
12123
12124 2009-05-04  Michael Eager <eager@eagercon.com>
12125
12126         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
12127         TARGET_SINGLE_FLOAT check.
12128
12129 2009-05-04  Michael Eager <eager@eagercon.com>
12130
12131         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
12132
12133 2009-05-04  Michael Eager <eager@eagercon.com>
12134
12135         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
12136         * config/rs6000/t-xilinx: New
12137
12138 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
12139
12140         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
12141         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
12142         * gcc/explow.c (memory_address): Use target hook.
12143         * gcc/targhooks.c (default_legitimize_address): New.
12144         * gcc/targhooks.h (default_legitimize_address): New.
12145         * gcc/target.h (legitimize_address): New.
12146         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
12147         (TARGET_INITIALIZER): Include it.
12148         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
12149
12150         * config/bfin/bfin-protos.h (legitimize_address): Remove.
12151         * config/bfin/bfin.c (legitimize_address): Remove.
12152         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
12153         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
12154         Remove.
12155         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
12156         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
12157
12158         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
12159         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
12160         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
12161         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
12162         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
12163         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
12164         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
12165         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
12166         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
12167         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
12168         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
12169         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
12170         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
12171         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
12172         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
12173         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
12174         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
12175         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
12176         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
12177         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
12178         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
12179         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
12180         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
12181
12182         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
12183         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
12184         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
12185         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
12186         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
12187         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
12188         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
12189         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
12190         (thumb_legitimize_address): Delete.
12191         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
12192         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
12193         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
12194         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
12195         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
12196         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
12197         Delete.
12198         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
12199         Delete.
12200
12201         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
12202         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
12203         * config/m32r/m32r.c (m32r_legitimize_address): New.
12204         * config/m68k/m68k.c (m68k_legitimize_address): New.
12205         * config/score/score.c (score_legitimize_address): Standardize.
12206         * config/score/score3.c (score3_legitimize_address): Standardize.
12207         * config/score/score3.h (score3_legitimize_address): Adjust.
12208         * config/score/score7.c (score7_legitimize_address): Standardize.
12209         * config/score/score7.h (score7_legitimize_address): Adjust.
12210         * config/sh/sh.c (sh_legitimize_address): New.
12211         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
12212
12213         * gcc/config/s390/s390.c (legitimize_address): Rename to...
12214         (s390_legitimize_address): ... this.
12215         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
12216         (sparc_legitimize_address): ... this.
12217         * gcc/config/i386/i386.c (legitimize_address): Rename to...
12218         (ix86_legitimize_address): ... this.
12219         * gcc/config/avr/avr.c (legitimize_address): Rename to...
12220         (avr_legitimize_address): ... this.
12221         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
12222         (mn10300_legitimize_address): ... this.
12223         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
12224         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
12225         (alpha_expand_mov): Adjust call.
12226
12227         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
12228         * config/spu/spu.c (spu_legitimize_address): Likewise.
12229         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
12230         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
12231
12232 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
12233
12234         * intl.c (locale_encoding, locale_utf8): New.
12235         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
12236         * intl.h (locale_encoding, locale_utf8): Declare.
12237         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
12238         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
12239         New.
12240         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
12241         argument.
12242         (pp_tree_identifier): Define to call pp_base_tree_identifier.
12243         (pp_base_tree_identifier): Declare as function.
12244         (identifier_to_locale): Declare.
12245         * Makefile.in (pretty-print.o): Update dependencies.
12246         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
12247
12248 2009-05-04  Richard Guenther  <rguenther@suse.de>
12249
12250         PR middle-end/40015
12251         * builtins.c (fold_builtin_memory_op): Do not decay to element
12252         type if the size matches the whole array.
12253
12254 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
12255
12256         * expmed.c (synth_mult): When trying out a shift, pass the result
12257         of a signed shift.
12258
12259 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
12260
12261         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
12262         (shiftsub1_cost): New.
12263         (init_expmed): Compute shiftsub1_cost.
12264         (synth_mult): Optimize multiplications by constants of the form
12265         -(2^^m-1) for some constant positive integer m.
12266
12267 2009-05-03  Richard Guenther  <rguenther@suse.de>
12268
12269         PR c/39983
12270         * c-typeck.c (array_to_pointer_conversion): Do not built
12271         ADDR_EXPRs of arrays of pointer-to-element type.
12272         * c-gimplify.c (c_gimplify_expr): Revert change fixing
12273         up wrong ADDR_EXPRs after-the-fact.
12274         * c-common.c (strict_aliasing_warning): Strip pointer
12275         conversions for obtaining the original type.
12276         * builtins.c (fold_builtin_memset): Handle array types.
12277         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
12278         and array types
12279
12280 2009-05-03  Richard Guenther  <rguenther@suse.de>
12281
12282         PR middle-end/23329
12283         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
12284         Do not lose casts from array types with unknown extent to array
12285         types with known extent.
12286         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
12287         alias set compatibility.
12288
12289 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
12290
12291         * flags.h (extra_warnings): Delete.
12292         * toplev.c (process_options): Handle Wuninitialized here.
12293         * opts.c (extra_warnings): Delete.
12294         (set_Wextra): Delete.
12295         (common_handle_option): -Wextra can be handled automatically.
12296         * c-opts.c (c_common_handle_option): Delete obsolete code.
12297         (c_common_post_options): Simplify comment.
12298         * common.opt (W): Add Var.
12299         (Wextra): Add Var.
12300         (Wuninitialized): Initialize to -1.
12301
12302 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
12303             Richard Guenther  <rguenther@suse.de>
12304
12305         * expr.c (get_def_for_expr): New function.
12306         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
12307         SSA rather than trees.
12308         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
12309         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
12310
12311 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
12312
12313         * c-common.c (reswords): Add _Imaginary.
12314         * c-common.c (enum rid): Add RID_IMAGINARY.
12315
12316 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
12317
12318         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
12319         Patch by Richard Guenther.
12320
12321 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
12322
12323         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
12324         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
12325         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
12326         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
12327         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
12328         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
12329         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
12330         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
12331         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
12332         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
12333         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
12334         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
12335         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
12336         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
12337         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
12338         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
12339         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
12340         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
12341
12342 2009-05-02  Richard Guenther  <rguenther@suse.de>
12343
12344         PR tree-optimization/39940
12345         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
12346         doing so.
12347
12348 2009-05-02  Richard Guenther  <rguenther@suse.de>
12349
12350         PR middle-end/40001
12351         * tree-ssa.c (execute_update_addresses_taken): Properly check
12352         if we can mark a variable DECL_GIMPLE_REG_P.
12353         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
12354         back to the end of the function.
12355         (is_gimple_reg_type): Remove complex type special casing.
12356         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
12357         if not optimizing.
12358
12359 2009-05-02  Ben Elliston  <bje@au.ibm.com>
12360
12361         * doc/collect2.texi (Collect2): Document search path behaviour
12362         when configured with --with-ld.
12363
12364 2009-05-02  Jan Hubicka  <jh@suse.cz>
12365
12366         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
12367         parameter; update callers.
12368         (coalesce_cost_edge): EH edges are costier because they needs
12369         splitting even if not critical and even more costier when there are
12370         multiple EH predecestors.
12371
12372 2009-05-02  Jan Hubicka  <jh@suse.cz>
12373
12374         * except.c (remove_eh_handler_and_replace): Handle updating after
12375         removing TRY blocks.
12376
12377 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
12378
12379         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
12380
12381 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
12382
12383         * varasm.c: Do not include c-pragma.h.
12384         * attribs.c: Do not incude c-common.h.
12385
12386 2009-05-01  Michael Matz  <matz@suse.de>
12387
12388         * calls.c (initialize_argument_information): Handle SSA names like
12389         decls with a non MEM_P DECL_RTL.
12390
12391 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
12392
12393         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
12394         * ipa-utils.c: Likewise.
12395         * ipa-type-escape.c: Likewise.
12396         * cgraphunit.c Do not include c-common.h.
12397         * ipa-pure-const.c: Likewise.
12398         * tree-if-conv.c: Likewise.
12399         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
12400         * ipa-struct-reorg.c: Likewise.
12401         * tree-nomudflap.c: Likewise.
12402         * tree-ssa-structalias.c: Likewise.
12403
12404 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
12405
12406         * store-motion.c: Many cleanups to make this pass a first-class
12407         citizen instead of an appendix to gcse load motion.  Add TODO list
12408         to make this pass faster/cleaner/better.
12409
12410         (struct ls_expr): Post gcse.c-split cleanups.
12411         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
12412         "stores" field to "avail_stores".
12413         (pre_ldst_mems): Rename to store_motion_mems.
12414         (pre_ldst_table): Rename to store_motion_mems_table.
12415         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
12416         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
12417         (ldst_entry): Rename to st_expr_entry, update users.
12418         (free_ldst_entry): Rename to free_st_expr_entry, update users.
12419         (free_ldst_mems): Rename to free_store_motion_mems, update users.
12420         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
12421         update caller.
12422         (first_ls_expr): Rename to first_st_expr, update users.
12423         (next_ls_expr): Rename to next_st_expr, update users.
12424         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
12425         fields properly for store motion instead of names inherited from load
12426         motion in gcse.c.
12427         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
12428         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
12429         are done with it.
12430
12431         (ae_kill): Rename to st_kill, update users.
12432         (ae_gen): Rename to st_avloc, update users.
12433         (transp): Rename to st_transp, update users.
12434         (pre_insert_map): Rename to st_insert_map, update users.
12435         (pre_delete_map): Rename to st_delete_map, update users.
12436         (insert_store, build_store_vectors, free_store_memory,
12437         one_store_motion_pass): Update for abovementioned changes.
12438
12439         (gcse_subst_count, gcse_create_count): Remove.
12440         (one_store_motion_pass): New statistics counters "n_stores_deleted"
12441         and "n_stores_created", local variables.
12442
12443         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
12444         use for_each_rtx.
12445
12446         (regvec, compute_store_table_current_insn): Remove.
12447         (reg_set_info, reg_clear_last_set): Remove.
12448         (compute_store_table): Use DF caches instead of local dataflow
12449         solvers.
12450
12451 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
12452
12453         * c-objc-common.c (c_tree_printer): Print identifiers with
12454         pp_identifier, not pp_string.  Mark "({anonymous})" for
12455         translation.
12456         * c-pretty-print.c (pp_c_ws_string): New.
12457         (pp_c_cv_qualifier, pp_c_type_specifier,
12458         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
12459         pp_c_storage_class_specifier, pp_c_function_specifier,
12460         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
12461         pp_c_primary_expression, pp_c_postfix_expression,
12462         pp_c_unary_expression, pp_c_shift_expression,
12463         pp_c_relational_expression, pp_c_equality_expression,
12464         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
12465         use pp_string and pp_c_ws_string in place of pp_identifier and
12466         pp_c_identifier for non-identifiers.  Mark English strings for
12467         translation.
12468         * c-pretty-print.h (pp_c_ws_string): Declare.
12469
12470 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
12471             Roland McGrath <roland@redhat.com>
12472
12473         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
12474         (ENABLE_LD_BUILDID): New configuration option.
12475         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
12476         (LINK_BUILDID_SPEC): New macro.
12477         (init_spec): If defined, prepend it between LINK_EH_SPEC and
12478         link_spec.
12479         * doc/install.texi: Document --enable-linker-build-id option.
12480         * configure: Rebuild.
12481         * config.in: Rebuild.
12482
12483 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
12484
12485         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
12486         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
12487         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
12488         MIPS_GP_SAVE_AREA_SIZE.
12489         * config/mips/mips.c (struct mips_frame_info): Update comment
12490         before arg_pointer_offset and hard_frame_pointer_offset.
12491         (mips_compute_frame_info): Update diagram before function: to
12492         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
12493         indicate the position of frame_pointer_rtx with -fstack-protector and
12494         to show args_size.  Don't allocate cprestore area for leaf functions
12495         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
12496         cprestore_size.
12497         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
12498
12499 2009-04-30  Michael Matz  <matz@suse.de>
12500
12501         PR tree-optimization/39955
12502         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
12503
12504 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
12505
12506         * ira.c (setup_cover_and_important_classes):  Use safe macro
12507         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
12508         directly.
12509         * genpreds.c (write_tm_preds_h):  Output suitable definition of
12510         REG_CLASS_FOR_CONSTRAINT.
12511
12512 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
12513
12514         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
12515         instead of an int.
12516         * bitmap.c (bitmap_descriptor): Likewise.
12517         * ggc-common.c (loc_descriptor): Likewise.
12518         * varray.c (varray_descriptor): Likewise.
12519         * vec.c (vec_descriptor): Likewise.
12520
12521 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
12522
12523         * Makefile.in (dce.o): Add $(EXCEPT_H).
12524         * dce.c: Include except.h and delete redundant vector definitions.
12525         (deletable_insn_p): Return false for non-call insns that can throw
12526         if DF is running.
12527
12528 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
12529
12530         * gcse.c (ae_gen): Remove.
12531         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
12532         and make non-static function to make it available in store-motion.c.
12533         Update call sites with search-and-replace.
12534         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
12535         extract_mentioned_regs, extract_mentioned_regs_helper,
12536         find_moveable_store, compute_store_table, load_kills_store, find_loads,
12537         store_killed_in_insn, store_killed_after, store_killed_before,
12538         build_store_vectors, insert_insn_start_basic_block, insert-store,
12539         remove_reachable_equiv_notes, replace_store_insn, delete_store,
12540         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
12541         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
12542         * store-motion.c: ...new file.  Also copy data structures from gcse.c
12543         and clean up to remove parts not used by store motion.
12544         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
12545         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
12546
12547 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12548
12549         PR target/38571
12550         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
12551         when optimizing for size.
12552
12553 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
12554
12555         * gcse.c (gcse_constant_p): Fix typo in last change.
12556
12557 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
12558
12559         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
12560
12561 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
12562
12563         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
12564
12565 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
12566
12567         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
12568         CONST_HIGH_PART result.
12569
12570 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
12571
12572         * config/avr/avr.c (initial_elimination_offset): Rename to
12573         avr_initial_elimination_offset.
12574         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
12575         change return type to bool.
12576         (avr_can_eliminate): New function.
12577         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
12578         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
12579         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
12580         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
12581         avr_initial_elimination_offset.
12582         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
12583         (avr_initial_elimination_offset): Define.
12584
12585 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
12586             Steven Bosscher  <steven@gcc.gnu.org>
12587
12588         PR rtl-optimization/39938
12589         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
12590         * cfgrtl.c: Include insn-attr.h.
12591         (rest_of_pass_free_cfg): New function.
12592         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
12593         * resource.c (init_resource_info): Remove call to df_analyze.
12594
12595 2009-04-29  Richard Guenther  <rguenther@suse.de>
12596
12597         PR target/39943
12598         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
12599         allow conversion to signed integers.
12600
12601 2009-04-29  Richard Guenther  <rguenther@suse.de>
12602
12603         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
12604         shifts of floating point vectors if the shift amount is
12605         a constant multiple of the element size.
12606
12607 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
12608             Michael Matz  <matz@suse.de>
12609
12610         PR middle-end/39927
12611         PR bootstrap/39929
12612         * tree-outof-ssa.c (emit_partition_copy): New function.
12613         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
12614         insert_part_to_rtx_on_edge): Perform the partition base var
12615         copy using emit_partition_copy.
12616         (insert_value_copy_on_edge): Convert constants to the right mode.
12617         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
12618         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
12619
12620 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
12621
12622         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
12623         scan backwards to try to find a constant to initialize it.
12624
12625         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
12626         insn before the loop_end instruction, don't look past labels.
12627
12628 2009-04-29  Richard Guenther  <rguenther@suse.de>
12629
12630         PR middle-end/39937
12631         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12632         loose type conversions.
12633         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
12634         stmts only if there are no uses of its definition.
12635
12636 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
12637
12638         * config/bfin/bfin.h (splitting_loops): Declare.
12639         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
12640         Reorder bit definitions to be ascending.
12641         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
12642         * config/bfin/bfin.c (splitting_loops): New variable.
12643         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
12644         (struct loop_info): Remove members INIT and LOOP_INIT.
12645         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
12646         the LSETUP sequence.  Allow LC to be loaded from any register, but
12647         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
12648         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
12649         set to 1.
12650         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
12651         of reload_completed.
12652
12653         From Jie Zhang:
12654         * config/bfin/bfin.md (movsi_insn): Refine constraints.
12655
12656 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
12657
12658         * Makefile.in (PLUGIN_VERSION_H): New.
12659         (OBJS-common): Remove plugin-version.o.
12660         (plugin.o): Depend on (PLUGIN_VERSION_H).
12661         (plugin-version.o): Remove.
12662         * configure: Regenerate
12663         * configure.ac: Create plugin-version.h.
12664         * gcc-plugin.h (plugin_gcc_version): Remove.
12665         (plugin_default_version_check): Change signature.
12666         * plugin-version.c: Remove.
12667         * plugin.c: Include plugin-version.h.
12668         (str_plugin_gcc_version_name): Remove.
12669         (try_init_one_plugin): Pass gcc version to plugin_init.
12670         (plugin_default_version_check): Both gcc and plugin versions are now
12671         arguments.
12672
12673 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
12674
12675         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
12676         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
12677         Remove special case testing for last insn of inner loops. Don't fail
12678         if the loop ends with a jump, emit an extra nop instead.
12679
12680         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
12681         DREGS rather than comparing directly.  Remove code that tries to
12682         account for latencies.
12683
12684 2009-04-29  Richard Guenther  <rguenther@suse.de>
12685
12686         PR tree-optimization/39941
12687         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
12688         eliminating an indirect call.
12689
12690 2009-04-29  Richard Guenther  <rguenther@suse.de>
12691
12692         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
12693         parameter.  Allow invariants as base if !require_lvalue.
12694         (verify_gimple_assign_single): Adjust.
12695
12696 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
12697
12698         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
12699         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
12700         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
12701         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
12702         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
12703         a VEC_SELECT.
12704         * config/bfin/bfin.c (bfin_expand_builtin,
12705         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
12706
12707 2009-04-28  Richard Guenther  <rguenther@suse.de>
12708
12709         * tree-vect-loop.c (get_initial_def_for_induction): Use
12710         correct types for pointer increment.
12711
12712 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12713
12714         * toplev.c (print_version): Update GMP version string calculation.
12715
12716 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
12717
12718         PR rtl-optimization/39938
12719         * resource.c (init_resource_info): Add call to df_analyze.
12720
12721 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
12722
12723         * config/alpha/alpha.md (usegp): Cast the result of
12724         alpha_find_lo_sum_using_gp to enum attr_usegp.
12725         * config/alpha/alpha.c (override_options): Remove end-of-structure
12726         marker element from cpu_table.  Use array size of cpu_table to handle
12727         -mcpu and -mtune options.
12728         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
12729
12730 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
12731
12732         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
12733         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
12734         tune_32 and tune_64.
12735         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
12736         support on PowerPC.
12737         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
12738         * config/rs6000/option-defaults.h: ... here.  New file.
12739         (OPT_64, OPT_32): Define.
12740         (MASK_64BIT): Define to 0 if not already defined.
12741         (OPT_ARCH64, OPT_ARCH32): Define.
12742         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
12743         and tune_64.
12744
12745 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12746
12747         * config/arm/arm.c (arm_override_options): Emit error on using
12748         fpa with AAPCS.
12749
12750 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
12751
12752         PR rtl-optimization/39914
12753         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
12754         registers for allocnos created from user-defined variables only
12755         when not optimizing.
12756
12757 2009-04-28  Richard Guenther  <rguenther@suse.de>
12758
12759         PR middle-end/39937
12760         * fold-const.c (fold_binary): Use distribute_real_division only
12761         on float types.
12762
12763 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
12764
12765         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
12766         add hpux-stdint.h to tm_file.
12767         (hppa[12]*-*-hpux11*): Ditto.
12768         (ia64*-*-hpux*): Ditto.
12769         * config/hpux-stdint.h: New.
12770         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
12771         __STDC_EXT__ for all compiles.
12772         * config/pa/pa-hpux.h: Ditto.
12773         * config/pa/pa-hpux10.h: Ditto.
12774         * config/pa/pa-hpux11.h: Ditto.
12775
12776 2009-04-28  Catherine Moore  <clm@codesourcery.com>
12777
12778         * debug.h (set_name): Add comment.
12779
12780 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
12781
12782         PR target/39929
12783         * config/darwin.c (machopic_gen_offset): Check
12784         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
12785         * config/arm/arm.c (require_pic_register): Likewise.
12786
12787 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
12788
12789         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
12790         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
12791         m32c_promote_prototypes): Delete.
12792
12793 2009-04-28  Michael Matz  <matz@suse.de>
12794
12795         PR middle-end/39922
12796         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
12797         constants.
12798
12799 2009-04-28  Richard Guenther  <rguenther@suse.de>
12800
12801         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
12802
12803 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12804
12805         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
12806         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
12807         * config/arm/arm-tune.md: Regenerate.
12808
12809 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
12810
12811         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
12812         block if there are complex incoming edges.
12813         (sel_merge_blocks): Remove useless assert.
12814         (sel_redirect_edge_and_branch): Check that edge was redirected.
12815         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
12816         (sel_find_rgns): Delete declaration.
12817         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
12818         the region when it is not a preheader.
12819
12820 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
12821
12822         PR c/39323
12823         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
12824
12825 2009-04-28  Richard Guenther  <rguenther@suse.de>
12826
12827         * tree.h (SSA_NAME_VALUE): Remove.
12828         (struct tree_ssa_name): Remove value_handle member.
12829         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
12830         array for jump threading.
12831         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
12832         SSA_NAME_VALUEs.
12833         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
12834         * tree-flow.h (threadedge_initialize_values): Declare.
12835         (threadedge_finalize_values): Likewise.
12836         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
12837         (SSA_NAME_VALUE): Define.
12838         (threadedge_initialize_values): New function.
12839         (threadedge_finalize_values): Likewise.
12840         * tree-ssa-dom.c (ssa_name_values): New global variable.
12841         (SSA_NAME_VALUE): Define.
12842         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
12843
12844 2009-04-28  Ira Rosen  <irar@il.ibm.com>
12845
12846         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
12847         Use REPORT_VECTORIZED_LOCATIONS instead
12848         REPORT_VECTORIZED_LOOPS.
12849         * tree-vectorizer.c (vect_verbosity_level): Make static.
12850         (vect_loop_location): Rename to vect_location.
12851         (vect_set_verbosity_level): Update comment.
12852         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
12853         and vect_location.
12854         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
12855         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
12856         instead REPORT_UNVECTORIZED_LOOPS.
12857         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
12858         and vect_loop_def to vect_external_def and vect_internal_def.
12859         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
12860         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
12861         REPORT_UNVECTORIZED_LOCATIONS.
12862         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
12863         and vect_used_in_loop and to vect_unused_in_scope and
12864         vect_used_in_scope.
12865         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
12866         (vect_verbosity_level): Remove declaration.
12867         (vect_analyze_operations): Likewise.
12868         (vect_analyze_stmt): Declare.
12869         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
12870         REPORT_UNVECTORIZED_LOCATIONS.
12871         (vect_get_loop_niters): Fix indentation.
12872         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
12873         (vect_analyze_loop_operations): New function.
12874         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
12875         vect_analyze_operations.
12876         (vect_is_simple_reduction): Use new names.
12877         (vectorizable_live_operation, vect_transform_loop): Likewise.
12878         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
12879         to specify whether the data references can be a part of interleaving
12880         chain.
12881         (vect_analyze_data_ref_dependence): Use new names.
12882         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
12883         (vect_create_addr_base_for_vector_ref): Remove redundant code.
12884         * tree-vect-patterns.c (widened_name_p): Use new names.
12885         (vect_recog_dot_prod_pattern): Likewise.
12886         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
12887         (process_use, vect_mark_stmts_to_be_vectorized,
12888         vect_model_simple_cost, vect_model_store_cost,
12889         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
12890         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
12891         vectorizable_operation, vectorizable_type_demotion,
12892         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
12893         vectorizable_condition): Likewise.
12894         (vect_analyze_operations): Split into vect_analyze_loop_operations
12895         and ...
12896         (vect_analyze_stmt): ... new function.
12897         (new_stmt_vec_info): Use new names.
12898         (vect_is_simple_use): Use new names and fix comment.
12899         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
12900         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
12901
12902 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
12903
12904         PR target/39911
12905         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
12906         and integer modes for x87 operands.  Do not ICE for unsupported size,
12907         generate error instead.  Generate error for unsupported operand types.
12908         ['z']: Do not handle HImode memory operands specially.  Warning
12909         for floating-point operands.  Fallthru to 'Z' for unsupported operand
12910         types.  Do not ICE for unsupported size, generate error instead.
12911         (output_387_binary_op): Use %Z to output operands.
12912         (output_fp_compare): Ditto.
12913         (output_387_reg_move): Ditto.
12914
12915 2009-04-28  Ben Elliston  <bje@au.ibm.com>
12916
12917         PR c++/35652
12918         Revert:
12919
12920         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12921
12922         * builtins.c (c_strlen): Do not warn here.
12923         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
12924         * c-common.c (pointer_int_sum): Take an explicit location.
12925         Warn about offsets out of bounds.
12926         * c-common.h (pointer_int_sum): Adjust declaration.
12927
12928 2009-04-27  Ian Lance Taylor  <iant@google.com>
12929
12930         * collect2.c (is_ctor_dtor): Change type of ret field in struct
12931         names to symkind.
12932         * dce.c (run_fast_df_dce): Change type of old_flags to int.
12933         * df-core.c (df_set_flags): Change return type to int.  Change
12934         type of old_flags to int.
12935         (df_clear_flags): Likewise.
12936         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
12937         (df_get_conditional_uses): Likewise.
12938         * df.h (df_set_flags, df_clear_flags): Update declarations.
12939         * dwarf2out.c (struct indirect_string_node): Change type of form
12940         field to enum dwarf_form.
12941         (AT_string_form): Change return type to enum dwarf_form.
12942         * fixed-value.c (fixed_compare): Add cast to enum type.
12943         * fwprop.c (update_df): Change 0 to VOIDmode.
12944         * gensupport.c: Change 0 to UNKNOWN.
12945         * gimple.h (gimple_cond_code): Add cast to enum type.
12946         * haifa-sched.c (reemit_notes): Add cast to enum type.
12947         * hooks.c (hook_int_void_no_regs): Remove function.
12948         * hooks.h (hook_int_void_no_regs): Remove declaration.
12949         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
12950         * predict.c (combine_predictions_for_insn): Add casts to enum type.
12951         * real.c (real_arithmetic): Add cast to enum type.
12952         (real_compare): Likewise.
12953         * target.h (struct gcc_target): Change return type of
12954         branch_target_register_class to enum reg_class.
12955         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
12956         default_branch_target_register_class.
12957         * targhooks.c (default_branch_target_register_class): New function.
12958         * targhooks.h (default_branch_target_register_class): Declare.
12959         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
12960         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
12961         cast to int.
12962         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
12963         ERROR_MARK.
12964         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
12965         vect_uninitialized_def.  Change 0 to ERROR_MARK.
12966         * tree-vect-stmts.c (supportable_widening_operation): Don't
12967         initialize icode1 and icode2.
12968         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
12969         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
12970         and to STD_C89.
12971         (cmn_err_flag_specs): Change 0 to STD_C89.
12972         (cmn_err_char_table): Likewise.
12973         * config/arm/arm.c (get_arm_condition_code): Change type of code
12974         to enum arm_cond_code.
12975         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
12976         (IWMMXT_BUILTIN2): Likewise.
12977         (neon_builtin_type_bits): Don't define typedef.
12978         (neon_builtin_datum): Change type of bits field to int.
12979         (arm_expand_neon_args): Add cast to enum type.
12980         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
12981         TLS_MODEL_NONE.
12982         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
12983         casts to enum type.
12984         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
12985         MIPS_FP_COND_f.
12986         * config/mips/mips.md (jal_macro): Return enum constant.
12987         (single_insn): Likewise.
12988         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
12989         CODE_FOR_nothing.
12990         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
12991         casts to enum type.
12992         * config/s390/s390.c (s390_tune_flags): Change type to int.
12993         (s390_arch_flags): Likewise.
12994         (s390_handle_arch_option): Change flags field of struct pta to int.
12995         * config/s390/s390.h (s390_tune_flags): Update declaration.
12996         (s390_arch_flags): Likewise.
12997         * config/sh/sh.c (prepare_move_operands): Compare
12998         tls_symbolic_operand result with enum constant.
12999         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
13000         (sh_expand_prologue): Add cast to enum type.
13001         (sh_expand_epilogue): Likewise.
13002         (tls_symbolic_operand): Change return type to enum tls_model.
13003         (fpscr_set_from_mem): Add cast to enum type.
13004         (legitimize_pic_address): Compare tls_symbolic_operand result with
13005         enum constant.
13006         (sh_target_reg_class): Change return type to enum reg_class.
13007         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
13008         PROCESSOR_xxx.
13009         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
13010         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
13011         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
13012         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
13013         (delayed_branch, tls_call_delay): Likewise.
13014         (eligible_for_sibcall_delay): Likewise.
13015         (eligible_for_return_delay): Likewise.
13016         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
13017         (spu_expand_builtin_1): Likewise.
13018
13019         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
13020         for all types of conversions.
13021         (output_init_element): Issue -Wc++-compat warning if needed when
13022         initializing a bitfield with enum type.
13023         * c-parser.c (c_parser_expression): Set original_type to
13024         original_type of right hand operand of comma operator.
13025
13026 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13027
13028         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
13029         grammar nits.
13030         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
13031         * doc/cpp.texi (Standard Predefined Macros)
13032         (Implementation-defined behavior): Likewise.
13033         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
13034         * doc/gimple.texi (GIMPLE Exception Handling)
13035         (@code{GIMPLE_ASSIGN}): Likewise.
13036         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
13037         * doc/invoke.texi (Warning Options, Optimize Options)
13038         (AVR Options, Darwin Options): Likewise.
13039         (Optimize Options): Reformulate -fwhole-program description.
13040         * doc/loop.texi (Lambda): Likewise.
13041         * doc/md.texi (Output Template, Define Constraints)
13042         (Standard Names, Insn Splitting): Likewise.
13043         * doc/options.texi (Option properties): Likewise.
13044         * doc/passes.texi (Tree-SSA passes): Likewise.
13045         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
13046         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
13047         (File Names and DBX): Likewise.
13048         * doc/trouble.texi (Incompatibilities): Likewise.
13049
13050 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
13051
13052         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
13053         instruction is correct.
13054
13055 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
13056
13057         Allow non-constant arguments to conversion intrinsics.
13058         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
13059         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
13060         * spu.c (print_operand): Handle 'v' and 'w'.
13061         (exp2_immediate_p, spu_gen_exp2): Define.
13062         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
13063         spu_convtf_1): Update parameter descriptions.
13064         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
13065         * constraints.md ('v', 'w'): New.
13066         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
13067         Remove.
13068         (i2f, I2F): New define_mode_attr.
13069         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
13070         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
13071         fixuns_truncv4sfv4si2):  Update to use mode attribute.
13072         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
13073         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
13074         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
13075         patterns for combine.
13076
13077 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
13078
13079         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
13080         (cprop, hoist, pre, store_motion): New debug counters.
13081         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
13082         is not an RTL pass anymore.
13083         (pass_profiling): Remove extern decl for pass removed in 2005.
13084         (pass_gcse, pass_jump_bypass): Remove.
13085         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
13086         to 0 for clean state.
13087         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
13088         * cse.c (gate_handle_cse_after_global_opts,
13089         rest_of_handle_cse_after_global_opts): New functions.
13090         (pass_cse_after_global_opts): New pass, does local CSE.
13091         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
13092         (TV_CPROP): New timevar.
13093         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
13094         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
13095         (gcse_main, recompute_all_luids): Remove.
13096         (compute_hash_table_work): Call max_reg_num instead of reading
13097         max_gcse_regno.
13098         (cprop_jump): Don't set run_jump_opt_after_gcse.
13099         (constprop_register): Always allow to alter jumps.
13100         (cprop_insn): Likewise.
13101         (do_local_cprop): Likewise.
13102         (local_cprop_pass): Likewise.  Return non-zero if something changed.
13103         (cprop): Remove function, fold interesting bits into one_cprop_pass.
13104         (find_implicit_sets): Add note about missed optimization opportunity.
13105         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
13106         pass_rtl_cprop execute function.
13107         Don't bother tracking the pass number, each pass gets its own dumpfile
13108         now anyway.
13109         Always allow to alter jumpsand bypass jumps.
13110         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
13111         will just find no suitable set.
13112         (pre_edge_insert): Fix dumping, this function is for PRE only.
13113         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
13114         pass_rtl_pre execute function.
13115         (hoist_code): Return non-zero if something changed.  Keep track of
13116         substitutions and insertions for statistics gathering similar to PRE.
13117         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
13118         called from the pass_rtl_hoist execute function.  Show pass statistics.
13119         (compute_store_table): Use max_reg_num directly instead of using the
13120         formerly global max_gcse_regno.
13121         (build_store_vectors): Likewise.
13122         (replace_store_insn): Fix dumping.
13123         (store_motion): Rename to ...
13124         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
13125         pass, called from the pass_rtl_store_motion execute function.  Keep
13126         track of substitutions and insertions for statistics gathering similar
13127         to PRE.
13128         (bypass_jumps): Remove, fold interesting bits into ...
13129         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
13130         from the pass_rtl_cprop execute function.
13131         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
13132         pass_jump_bypass): Remove.
13133         (gate_handle_gcse, rest_of_handle_gcse): Remove.
13134         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
13135         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
13136         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
13137         (gate_rtl_store_motion, execute_rtl_store_motion,
13138         pass_rtl_store_motion): New.
13139         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
13140         make it clear that -fcse-skip-blocks is a no-op for backward compat.
13141         * passes.c (init_optimization_passes): Remove pass_gcse and
13142         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
13143         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
13144         instead of pass_jump_bypass.
13145
13146 2009-04-27  Richard Guenther  <rguenther@suse.de>
13147
13148         PR middle-end/39928
13149         * gimplify.c (gimplify_expr): If we are required to create
13150         a temporary make sure it ends up as register.
13151
13152 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
13153
13154         PR target/39903
13155         * config/i386/i386.c (construct_container): Don't call
13156         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
13157         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
13158
13159 2009-04-27  Michael Matz  <matz@suse.de>
13160
13161         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
13162         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
13163         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
13164         (dump_replaceable_exprs): Take a bitmap.
13165         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
13166         array.
13167         (expand_gimple_basic_block): Likewise.
13168         * tree-ssa-ter.c (struct temp_expr_table_d): Make
13169         replaceable_expressions member a bitmap.
13170         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
13171         (mark_replaceable): Likewise.
13172         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
13173         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
13174
13175 2009-04-27  Richard Guenther  <rguenther@suse.de>
13176
13177         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
13178         (verify_stmts): Dispatch to gimple/type verification code.
13179         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
13180         issue with call argument types.
13181
13182 2009-04-27  Michael Matz  <matz@suse.de>
13183
13184         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
13185         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
13186         to above.
13187
13188 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
13189             Eric Botcazou  <ebotcazou@adacore.com>
13190
13191         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
13192         a label's basic block.
13193         (mark_target_live_regs): Tidy and rework obsolete comments.
13194         Change back DF problem to LIVE.  If a label starts a basic block,
13195         assume that all registers that used to be live then still are.
13196         (init_resource_info): If a label starts a basic block, set its
13197         BLOCK_FOR_INSN accordingly.
13198         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
13199
13200 2009-04-27  Richard Guenther  <rguenther@suse.de>
13201
13202         * tree-flow-inline.h (function_ann): Remove.
13203         (get_function_ann): Likewise.
13204         * tree-dfa.c (create_function_ann): Remove.
13205         * tree-flow.h (struct static_var_ann_d): Remove.
13206         (struct function_ann_d): Likewise.
13207         (union tree_ann_d): Remove fdecl member.
13208         (function_ann_t): Remove.
13209         (function_ann, get_function_ann, create_function_ann): Remove
13210         declarations.
13211
13212 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
13213
13214         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
13215
13216 2009-04-27  Jan Hubicka  <jh@suse.cz>
13217
13218         * ipa-pure-const.c (struct funct_state_d): New fields
13219         state_previously_known, looping_previously_known; remove
13220         state_set_in_source.
13221         (analyze_function): Use new fields.
13222         (propagate): Avoid assumption that state_set_in_source imply
13223         nonlooping.
13224
13225         * tree-ssa-loop-niter.c (finite_loop_p): New function.
13226         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
13227         * cfgloop.h (finite_loop_p): Declare.
13228
13229 2009-04-26  Michael Matz  <matz@suse.de>
13230
13231         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
13232
13233 2009-04-26  Michael Matz  <matz@suse.de>
13234
13235         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
13236         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
13237         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
13238         pass_mark_used_blocks): Remove.
13239         * tree-optimize.c (pass_free_datastructures,
13240         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
13241         * passes.c (init_optimization_passes): Don't call
13242         pass_mark_used_blocks, remove dead code.
13243
13244 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
13245
13246         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
13247         * tree-ssa-live.h (register_ssa_partition): Likewise.
13248
13249 2009-04-26  Michael Matz  <matz@suse.de>
13250
13251         Expand from SSA.
13252         * builtins.c (fold_builtin_next_arg): Handle SSA names.
13253         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
13254         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
13255         SSA names.
13256         (compare_pairs): Swap cost comparison.
13257         (coalesce_ssa_name): Don't use change_partition_var.
13258         * tree-nrv.c (struct nrv_data): Add modified member.
13259         (finalize_nrv_r): Set it.
13260         (tree_nrv): Use it to update statements.
13261         (pass_nrv): Require PROP_ssa.
13262         * tree-mudflap.c (mf_decl_cache_locals,
13263         mf_build_check_statement_for): Use make_rename_temp.
13264         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
13265         * alias.c (find_base_decl): Handle SSA names.
13266         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
13267         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
13268         * rtl.h (set_reg_attrs_for_parm): Declare.
13269         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
13270         to "optimized", remove unused locals at finish.
13271         (execute_free_datastructures): Make global, call
13272         delete_tree_cfg_annotations.
13273         (execute_free_cfg_annotations): Don't call
13274         delete_tree_cfg_annotations.
13275
13276         * ssaexpand.h: New file.
13277         * expr.c (toplevel): Include ssaexpand.h.
13278         (expand_assignment): Handle SSA names the same as register variables.
13279         (expand_expr_real_1): Expand SSA names.
13280         * cfgexpand.c (toplevel): Include ssaexpand.h.
13281         (SA): New global variable.
13282         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
13283         (SSAVAR): New macro.
13284         (set_rtl): New helper function.
13285         (add_stack_var): Deal with SSA names, use set_rtl.
13286         (expand_one_stack_var_at): Likewise.
13287         (expand_one_stack_var): Deal with SSA names.
13288         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
13289         before unique numbers.
13290         (expand_stack_vars): Use set_rtl.
13291         (expand_one_var): Accept SSA names, add asserts for them, feed them
13292         to above subroutines.
13293         (expand_used_vars): Expand all partitions (without default defs),
13294         then only the local decls (ignoring those expanded already).
13295         (expand_gimple_cond): Remove edges when jumpif() expands an
13296         unconditional jump.
13297         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
13298         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
13299         SSA name.
13300         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
13301         members of SA; deal with PARM_DECL partitions here; expand
13302         all PHI nodes, free tree datastructures and SA.  Commit instructions
13303         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
13304         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
13305         info and statements at start, collect garbage at finish.
13306         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
13307         (VAR_ANN_PARTITION) Remove.
13308         (change_partition_var): Don't declare.
13309         (partition_to_var): Always return SSA names.
13310         (var_to_partition): Only accept SSA names.
13311         (register_ssa_partition): Only check argument.
13312         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
13313         member.
13314         (delete_var_map): Don't free it.
13315         (var_union): Only accept SSA names, simplify.
13316         (partition_view_init): Mark only useful SSA names as used.
13317         (partition_view_fini): Only deal with SSA names.
13318         (change_partition_var): Remove.
13319         (dump_var_map): Use ssa_name instead of partition_to_var member.
13320         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
13321         basic blocks.
13322         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
13323         (struct _elim_graph): New member const_dests; nodes member vector of
13324         ints.
13325         (set_location_for_edge): New static helper.
13326         (create_temp): Remove.
13327         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
13328         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
13329         (new_elim_graph): Allocate const_dests member.
13330         (clean_elim_graph): Truncate const_dests member.
13331         (delete_elim_graph): Free const_dests member.
13332         (elim_graph_size): Adapt to new type of nodes member.
13333         (elim_graph_add_node): Likewise.
13334         (eliminate_name): Likewise.
13335         (eliminate_build): Don't take basic block argument, deal only with
13336         partition numbers, not variables.
13337         (get_temp_reg): New static helper.
13338         (elim_create): Use it, deal with RTL temporaries instead of trees.
13339         (eliminate_phi): Adjust all calls to new signature.
13340         (assign_vars, replace_use_variable, replace_def_variable): Remove.
13341         (rewrite_trees): Only do checking.
13342         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
13343         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
13344         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
13345         contains_tree_r, MAX_STMTS_IN_LATCH,
13346         process_single_block_loop_latch, analyze_edges_for_bb,
13347         perform_edge_inserts): Remove.
13348         (expand_phi_nodes): New global function.
13349         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
13350         functions, initialize new parameter, remember partitions having a
13351         default def.
13352         (finish_out_of_ssa): New global function.
13353         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
13354         don't reset in_ssa_p here, don't disable TER when mudflap.
13355         (pass_del_ssa): Remove.
13356         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
13357         partition members.
13358         (execute_free_datastructures): Declare.
13359         * Makefile.in (SSAEXPAND_H): New variable.
13360         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
13361         * basic-block.h (commit_one_edge_insertion): Declare.
13362         * passes.c (init_optimization_passes): Move pass_nrv and
13363         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
13364         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
13365         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
13366         (redirect_branch_edge): Deal with super block when expanding, split
13367         out jump patching itself into ...
13368         (patch_jump_insn): ... here, new static helper.
13369
13370 2009-04-26  Michael Matz  <matz@suse.de>
13371
13372         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
13373         beyond num_ssa_names.
13374         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
13375         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
13376
13377 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
13378
13379         PR inline-asm/39543
13380         * fwprop.c (forward_propagate_asm): New function.
13381         (forward_propagate_and_simplify): Propagate also into __asm, if it
13382         doesn't increase the number of referenced registers.
13383
13384         PR c/39889
13385         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
13386
13387 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
13388
13389         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
13390         note_nonlocal_vla_type for nonlocal VLAs.
13391         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
13392         contains_remapped_vars, remap_vla_decls): New functions.
13393         (convert_nonlocal_reference_stmt): If not optimizing, call
13394         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
13395         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
13396         if it wasn't found in var_map.
13397         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
13398         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
13399         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
13400         declare_vars.
13401         * gimplify.c (nonlocal_vlas): New variable.
13402         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
13403         referenced VLAs.
13404         (gimplify_body): Create and destroy nonlocal_vlas.
13405
13406         * dwarf2out.c (loc_descr_plus_const): New function.
13407         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
13408         mem_loc_descriptor, loc_descriptor_from_tree_1,
13409         descr_info_loc, gen_variable_die): Use it.
13410
13411         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
13412         !TREE_STATIC VAR_DECLs.
13413         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
13414         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
13415         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
13416         DECL_BY_REFERENCE is valid.
13417         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
13418         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
13419         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
13420         Copy DECL_BY_REFERENCE.
13421         (struct nesting_copy_body_data): New type.
13422         (nesting_copy_decl): New function.
13423         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
13424         if they have variable length.
13425
13426 2009-04-26  Michael Matz  <matz@suse.de>
13427
13428         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
13429         mark new temporaries for renaming.
13430
13431 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
13432
13433         PR c/39581
13434         * c-decl.c (global_bindings_p): Return negative value.
13435         (c_variable_size): New.  Based on variable_size from
13436         stor-layout.c.
13437         (grokdeclarator): Call c_variable_size not variable_size.
13438
13439 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
13440
13441         * config/i386/i386.c (print_operand) ['z']: Fix typo.
13442
13443 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
13444
13445         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
13446         Redefine it to just use mingw/include.
13447         (ASM_SPEC): Rules for -m32 and -m64.
13448         (LINK_SPEC): Use Likewise.
13449         (SPEC_32): New define.
13450         (SPEC_64): Likewise.
13451         (SUB_LINK_SPEC): Likewise.
13452         (MULTILIB_DEFAULTS): New define.
13453         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
13454         Add multilib options.
13455         (MULTILIB_DIRNAMES): Likewise.
13456         (MULTILIB_OSDIRNAMES): Likewise.
13457         (LIBGCC): Likewise.
13458         (INSTALL_LIBGCC): Likewise.
13459
13460 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
13461
13462         PR c/39556
13463         * c-tree.h (enum c_inline_static_type): New.
13464         (record_inline_static): Declare.
13465         * c-decl.c (struct c_inline_static, c_inline_statics,
13466         record_inline_static, check_inline_statics): New.
13467         (pop_file_scope): Call check_inline_statics.
13468         (start_decl): Call record_inline_static instead of pedwarning
13469         directly for static in inline function.
13470         * c-typeck.c (build_external_ref): Call record_inline_static
13471         instead of pedwarning directly for static referenced in inline
13472         function.
13473
13474 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
13475
13476         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
13477         not new but only being rescanned.
13478         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
13479         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
13480         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
13481         record_set_info, compute_set, grealloc): Remove.
13482         (recompute_all_luids): New function.
13483         (gcse_main): Don't compute sets, and don't do related memory
13484         allocations/free-ing.  If something changed before the end of the
13485         pass, update LUIDs using recompute_all_luids.
13486         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
13487         (free_gcse_mem): Don't free it either.
13488         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
13489         Use the df insn LUIDs.
13490         (load_killed_in_block): Likewise.
13491         (compute_hash_table_work): Don't compute reg_set_in_block.
13492         (compute_transp): Use DF_REG_DEF_CHAINs.
13493         (local_cprop_pass): Don't use compute_sets and related functions.
13494         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
13495         Use get_max_uid() instead of max_cuid.
13496         (insert_insn_end_basic_block, pre_insert_copy_insn,
13497         update_ld_motion_stores): Don't try to
13498         keep reg_set tables up to date.
13499         (pre_insert_copies): Use df insn LUIDs.
13500         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
13501         (reg_set_info): Don't use extra bitmap argument.
13502         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
13503         information to compute regs_set_in_block.
13504         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
13505         (bypass_jumps): Don't use compute_sets and friends.
13506
13507 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13508
13509         PR testsuite/39710
13510         * opts.c (undocumented_msg): Do not leave blank even with
13511         ENABLE_CHECKING.
13512
13513 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
13514
13515         * c-decl.c (build_enumerator): Allow values folding to integer
13516         constants but not integer constant expressions with a pedwarn if
13517         pedantic.
13518
13519 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
13520
13521         PR c/39582
13522         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
13523         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
13524         type is an integer constant.
13525
13526 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
13527
13528         PR target/39897
13529         * config/i386/i386.c (print_operand) ['z']: Revert handling of
13530         HImode operands.
13531
13532 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
13533
13534         PR c/39564
13535         * c-decl.c (grokdeclarator): Diagnose declarations of functions
13536         with variably modified return type and no storage class
13537         specifiers, except for the case of nested functions.  Distinguish
13538         extern declarations of functions with variably modified return
13539         types from those of objects with variably modified types.
13540
13541 2009-04-25  Jan Hubicka  <jh@suse.cz>
13542
13543         * tree.c (list_equal_p): New function.
13544         * tree.h (list_equal_p): Declare.
13545         * coretypes.h (edge_def, edge, const_edge, basic_block_def
13546         basic_block_def, basic_block, const_basic_block): New.
13547         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
13548         (redirect_eh_edge): New function.
13549         (make_eh_edge_update_phi): EH edges are not abnormal.
13550         * except.c: Include tree-flow.h.
13551         (list_match): New function.
13552         (eh_region_replaceable_by_p): New function.
13553         (replace_region): New function.
13554         (hash_type_list): New function.
13555         (hash_eh_region): New function.
13556         (eh_regions_equal_p): New function.
13557         (merge_peers): New function.
13558         (remove_unreachable_regions): Verify EH tree when checking;
13559         merge peers.
13560         (copy_eh_region_1): New function.
13561         (copy_eh_region): New function.
13562         (push_reachable_handler): New function.
13563         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
13564         regions without label but with live RESX.
13565         * except.h (redirect_eh_edge_to_label): New.
13566         * tree-flow.h (redirect_eh_edge): New.
13567         * coretypes.h (edge_def, edge, const_edge, basic_block_def
13568         basic_block_def, basic_block, const_basic_block): Remove.
13569         * Makefile.in (except.o): Add dependency on tree-flow.h
13570         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
13571         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
13572         Remove.
13573
13574 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
13575
13576         PR bootstrap/39645
13577         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
13578         on the destination of memcpy.
13579
13580 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
13581
13582         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
13583         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
13584         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
13585
13586 2009-04-25  Jan Hubicka  <jh@suse.cz>
13587
13588         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
13589         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
13590         to be reached by different label than left.
13591         (update_eh_edges): Update comment; remove edge_to_remove if possible
13592         and return true if suceeded.
13593         (cleanup_empty_eh): Accept sharing map; handle shared regions.
13594         (cleanup_eh): Compute sharing map.
13595         * except.c (remove_eh_handler_and_replace): Add argument if we should
13596         update regions.
13597         (remove_unreachable_regions): Update for label sharing.
13598         (label_to_region_map): Likewise.
13599         (get_next_region_sharing_label): New function.
13600         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
13601         prev_try pointers.
13602         (remove_eh_handler): Update.
13603         (remove_eh_region_and_replace_by_outer_of): New function.
13604         * except.h (struct eh_region): Add next_region_sharing_label.
13605         (remove_eh_region_and_replace_by_outer_of,
13606         get_next_region_sharing_label): Declare.
13607         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
13608
13609 2009-04-25  Jan Hubicka  <jh@suse.cz>
13610
13611         * tree-cfg.c (split_critical_edges): Split also edges where we can't
13612         insert code even if they are not critical.
13613
13614 2009-04-25  Jan Hubicka  <jh@suse.cz>
13615
13616         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
13617         (gimple_can_remove_branch_p): EH edges won't remove branch by
13618         redirection.
13619         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
13620         updating of non-abnormal EH edges.
13621         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
13622         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
13623         (split_critical_edges): Split also edges where emitting code on them
13624         will lead to splitting later.
13625
13626 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
13627             H.J. Lu  <hongjiu.lu@intel.com>
13628
13629         PR target/39590
13630         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
13631         the configured assembler supports fildq and fistpq mnemonics.
13632         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
13633         * configure: Regenerated.
13634         * config.in: Ditto.
13635
13636         * config/i386/i386.c (print_operand): Handle 'Z'.
13637         ['z']: Remove handling of special fild/fist suffixes.
13638         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
13639         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
13640         suffix of fild insn.
13641         (*floatsi<mode>2_vector_mixed): Ditto.
13642         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
13643         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
13644         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
13645         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
13646         * config/i386/gas.h (GAS_MNEMONICS): Remove.
13647
13648 2009-04-25  Ben Elliston  <bje@au.ibm.com>
13649
13650         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
13651         the source of a set operation.
13652
13653 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
13654
13655         * target.h (struct gcc_target): Add case_values_threshold field.
13656         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
13657         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
13658         * targhooks.c (default_case_values_threshold): New function.
13659         * targhooks.h (default_case_values_threshold): Declare function.
13660         * stmt.c (expand_case): Use case_values_threshold target hook.
13661         * expr.h (case_values_threshold): Remove declartation.
13662         * expr.c (case_values_threshold): Remove function.
13663         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
13664
13665         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
13666         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
13667         (avr_case_values_threshold): Declare as static.
13668         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
13669
13670         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
13671         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
13672         (mn10300_case_values_threshold): New function.
13673
13674 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
13675
13676         * ira.c (setup_cover_and_important_classes): Add enum cast.
13677
13678 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
13679
13680         * genpreds.c (write_enum_constraint_num): Output definition of
13681         CONSTRAINT_NUM_DEFINED_P macro.
13682         * ira.c (setup_cover_and_important_classes): Use
13683         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
13684
13685 2009-04-24  DJ Delorie  <dj@redhat.com>
13686
13687         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
13688         __SH2A_SINGLE_ONLY__ also.
13689
13690 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
13691
13692         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
13693         (movdf_internal): Ditto.
13694         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
13695         SFmode and DFmode constants.
13696         (ia64_print_operand): Add 'G' format for printing
13697         floating point constants.
13698
13699 2009-04-24  Richard Guenther  <rguenther@suse.de>
13700
13701         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
13702         from unsigned additions.
13703
13704 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
13705
13706         * c-typeck.c (set_init_index): Allow array designators that are
13707         not integer constant expressions with a pedwarn if pedantic.
13708
13709 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
13710
13711         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
13712         zero if no overlap in nonzero bits between the operands.
13713
13714 2009-04-24  Ian Lance Taylor  <iant@google.com>
13715
13716         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
13717         (record_dead_and_set_regs): Likewise.
13718         * df.h (struct df_mw_hardreg): Change flags field to int.
13719         (struct df_base_ref): Likewise.
13720         (struct df): Change changeable_flags field to int.
13721         * df-scan.c (df_defs_record): Change clobber_flags to int.
13722         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
13723         constants rather than #define macros.
13724         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
13725         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
13726         (enum dwarf_calling_convention): Likewise.
13727         (enum dwarf_line_number_x_ops): Likewise.
13728         (enum dwarf_call_frame_info): Likewise.
13729         (enum dwarf_source_language): Likewise.
13730         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
13731         (add_calling_convention_attribute): Likewise.
13732         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
13733         (combine_comparisons): Change compcode to int.  Add cast to enum type.
13734         * genrecog.c (maybe_both_true_2): Change c to int.
13735         (write_switch): Likewise.  Add cast to enum type.
13736         * gimplify.c (gimplify_omp_for): Handle return values from
13737         gimplify_expr using MIN rather than bitwise or.
13738         (gimplify_expr): Add cast to enum type.
13739         * ipa-prop.c (update_jump_functions_after_inlining): Change
13740         IPA_BOTTOM to IPA_JF_UNKNOWN.
13741         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
13742         Add casts to enum type.
13743         (setup_cover_and_important_classes): Change cl to int.  Add casts
13744         to enum type.
13745         (setup_class_translate): Change cl and mode to int.
13746         (ira_init_once): Change mode to int.
13747         (free_register_move_costs): Likewise.
13748         (setup_prohibited_mode_move_regs): Add casts to enum type.
13749         * langhooks.c (add_builtin_function_common): Rework assertion that
13750         value fits bitfield.
13751         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
13752         * omega.c (omega_do_elimination): Avoid math on enum types.
13753         * optabs.c (expand_vec_shift_expr): Remove casts to int.
13754         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
13755         int local to handle integral_argment value.
13756         * regmove.c (try_auto_increment): Change PUT_MODE to
13757         PUT_REG_NOTE_KIND.
13758         * reload.c (push_secondary_reload): Add casts to enum type.
13759         (secondary_reload_class, find_valid_class): Likewise.
13760         * reload1.c (emit_input_reload_insns): Likewise.
13761         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
13762         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
13763         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
13764         constant.
13765         * tree.c (build_common_builtin_nodes): Add casts to enum type.
13766         * tree-complex.c (complex_lattice_t): Typedef to int rather than
13767         enum type.
13768         (expand_complex_libcall): Add casts to enum type.
13769         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
13770         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
13771         with ERROR_MARK, not NUM_TREE_CODES.
13772         (vect_create_epilog_for_reduction): Likewise.
13773         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
13774         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
13775         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
13776         enum machine_mode.
13777         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
13778         vect_unused_in_loop.  Change 0 to loop_vect.
13779         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
13780         * var-tracking.c (get_init_value): Change return type to enum
13781         var_init_status.
13782         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
13783         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
13784         arm_fp_model.
13785         (arm_override_options): Add casts to enum type.
13786         (arm_emit_tls_decoration): Likewise.
13787         * config/i386/i386.c (ix86_function_specific_restore): Add casts
13788         to enum type.
13789         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
13790         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
13791         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
13792         enum type.
13793         * config/s390/s390.c (code_for_builtin_64): Change to array of
13794         enum insn_code.
13795         (code_for_builtin_31): Likewise.
13796         (s390_expand_builtin): Change code_for_builtin to enum insn_code
13797         const *.
13798         * config/sparc/sparc.c (sparc_override_options): Change value
13799         field in struct code_model to enum cmodel.  In initializer change
13800         0 to NULL and add cast to enum type.
13801
13802         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
13803         Change all callers.  Issue a -Wc++-compat warning using
13804         lhs_origtype if necessary.
13805         (convert_for_assignment): Issue -Wc++-compat warnings about
13806         invalid conversions to enum type on assignment.
13807         * c-common.h (build_modify_expr): Update declaration.
13808
13809 2009-04-24  Nick Clifton  <nickc@redhat.com>
13810
13811         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
13812         (function_arg_advance): Likewise.
13813         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
13814         5th alternative.
13815
13816 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
13817
13818         * config/s390/constraints.md ('I', 'J'): Fix condition.
13819
13820 2009-04-24  Diego Novillo  <dnovillo@google.com>
13821
13822         * gengtype-parse.c (parse_error): Add newline after message.
13823
13824 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
13825
13826         * config/i386/sse.md (avxmodesuffixs): Removed.
13827         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
13828         (*avx_pinsr<ssevecsize>): This.
13829
13830 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
13831
13832         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
13833         follow chains of regs with a single definition, and allow expressions
13834         that are function_invariant_p.
13835         (simple_rhs_p): Allow expressions that are function_invariant_p.
13836
13837 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
13838
13839         PR middle-end/39867
13840         * fold-const.c (fold_cond_expr_with_comparison): When folding
13841         > and >= to MAX, make sure the MAX uses the same type as the
13842         comparison's operands.
13843
13844 2009-04-24  Nick Clifton  <nickc@redhat.com>
13845
13846         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
13847         addressing for DImode accesses.
13848         (frv_print_operand_address): Handle PLUS case.
13849         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
13850
13851 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
13852
13853         PR rtl-optimization/39794
13854         * alias.c (canon_true_dependence): Add x_addr argument.
13855         * rtl.h (canon_true_dependence): Adjust prototype.
13856         * cse.c (check_dependence): Adjust canon_true_dependence callers.
13857         * cselib.c (cselib_invalidate_mem): Likewise.
13858         * gcse.c (compute_transp): Likewise.
13859         * dse.c (scan_reads_nospill): Likewise.
13860         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
13861         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
13862         canon_base_addr of the group, plus optional offset.
13863         (struct group_info): Rename canon_base_mem to
13864         canon_base_addr.
13865         (get_group_info): Set canon_base_addr to canon_rtx of base, not
13866         canon_rtx of base_mem.
13867
13868 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
13869
13870         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
13871         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
13872
13873 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13874
13875         * config/spu/spu-builtins.h: Delete file.
13876
13877         * config/spu/spu.h (enum spu_builtin_type): Move here from
13878         spu-builtins.h.
13879         (struct spu_builtin_description): Likewise.  Add GTY marker.
13880         Do not use enum spu_function_code or enum insn_code.
13881         (spu_builtins): Add extern declaration.
13882
13883         * config/spu/spu.c: Do not include "spu-builtins.h".
13884         (enum spu_function_code, enum spu_builtin_type_index,
13885         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
13886         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
13887         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
13888         unsigned_V2DI_type_node): Move here from spu-builtins.h.
13889         (spu_builtin_types): Make static.  Add GTY marker.
13890         (spu_builtins): Add extern declaration with GTY marker.
13891         Include "gt-spu.h".
13892
13893         * config/spu/spu-c.c: Do not include "spu-builtins.h".
13894         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
13895         Check programmatically whether all parameters are scalar.
13896
13897         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
13898
13899 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
13900
13901         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
13902         assignment from the constructor either if the target is volatile.
13903
13904 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
13905
13906         * config/arm/arm.md (insv): Do not share operands[0].
13907
13908 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
13909
13910         * config/vxlib-tls.c (active_tls_threads): Delete.
13911         (delete_hook_installed): New.
13912         (tls_delete_hook): Don't delete the delete hook.
13913         (tls_destructor): Delete it here.
13914         (__gthread_set_specific): Adjust installing the delete hook.
13915         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
13916         __gthread_leave_tsd_dtor_context.
13917
13918 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
13919
13920         * c-format.c (gcc_tdiag_char_table): Add support for %E.
13921
13922 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
13923
13924         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
13925         enum type.
13926         (alpha_rtx_costs): Ditto.
13927         (emit_unlikely_jump): Use add_reg_note.
13928         (emit_frame_store_1): Ditto.
13929         (alpha_expand_prologue): Ditto.
13930         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
13931         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
13932
13933 2009-04-23  Nick Clifton  <nickc@redhat.com>
13934
13935         * config/v850/v850.md (epilogue): Remove suppressed code.
13936         (return): Rename to return_simple and remove test of frame size.
13937         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
13938         to gen_return_simple.
13939
13940 2009-04-22  Jing Yu  <jingyu@google.com>
13941
13942         PR testsuite/39781
13943         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
13944
13945 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13946
13947         PR C/31499
13948         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
13949         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
13950         value is a VECTOR_CST, the element type is the element type of the
13951         vector.
13952
13953 2009-04-22  DJ Delorie  <dj@redhat.com>
13954
13955         * config/m32c/m32c.h: Update GTY annotations to new syntax.
13956
13957 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
13958
13959         * alias.c (find_base_term): Move around LO_SUM case, so that
13960         CONST falls through into PLUS/MINUS handling.
13961
13962         PR c/39855
13963         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
13964         into 0, use omit_one_operand.
13965
13966 2009-04-23  Ben Elliston  <bje@au.ibm.com>
13967
13968         * config/rs6000/linux-unwind.h (get_regs): Remove type
13969         puns. Change the type of `pc' to an array of unsigned ints and
13970         update all users.  Constify frame24.
13971
13972 2009-04-22  DJ Delorie  <dj@redhat.com>
13973
13974         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
13975         declarations before code.
13976         (current_function_special_page_vector): Likewise.
13977         (m32c_expand_insv): Silence a warning.
13978
13979 2009-04-21  Taras Glek  <tglek@mozilla.com>
13980
13981         * alias.c: Update GTY annotations to new syntax.
13982         * basic-block.h: Likewise.
13983         * bitmap.h: Likewise.
13984         * c-common.h: Likewise.
13985         * c-decl.c: Likewise.
13986         * c-parser.c: Likewise.
13987         * c-pragma.c: Likewise.
13988         * c-tree.h: Likewise.
13989         * cfgloop.h: Likewise.
13990         * cgraph.h: Likewise.
13991         * config/alpha/alpha.c: Likewise.
13992         * config/arm/arm.h: Likewise.
13993         * config/avr/avr.h: Likewise.
13994         * config/bfin/bfin.c: Likewise.
13995         * config/cris/cris.c: Likewise.
13996         * config/darwin.c: Likewise.
13997         * config/frv/frv.c: Likewise.
13998         * config/i386/i386.c: Likewise.
13999         * config/i386/i386.h: Likewise.
14000         * config/i386/winnt.c: Likewise.
14001         * config/ia64/ia64.h: Likewise.
14002         * config/iq2000/iq2000.c: Likewise.
14003         * config/mips/mips.c: Likewise.
14004         * config/mmix/mmix.h: Likewise.
14005         * config/pa/pa.c: Likewise.
14006         * config/pa/pa.h: Likewise.
14007         * config/rs6000/rs6000.c: Likewise.
14008         * config/s390/s390.c: Likewise.
14009         * config/sparc/sparc.c: Likewise.
14010         * config/xtensa/xtensa.c: Likewise.
14011         * cselib.h: Likewise.
14012         * dbxout.c: Likewise.
14013         * dwarf2out.c: Likewise.
14014         * except.c: Likewise.
14015         * except.h: Likewise.
14016         * fixed-value.h: Likewise.
14017         * function.c: Likewise.
14018         * function.h: Likewise.
14019         * gimple.h: Likewise.
14020         * integrate.c: Likewise.
14021         * optabs.c: Likewise.
14022         * output.h: Likewise.
14023         * real.h: Likewise.
14024         * rtl.h: Likewise.
14025         * stringpool.c: Likewise.
14026         * tree-data-ref.c: Likewise.
14027         * tree-flow.h: Likewise.
14028         * tree-scalar-evolution.c: Likewise.
14029         * tree-ssa-address.c: Likewise.
14030         * tree-ssa-alias.h: Likewise.
14031         * tree-ssa-operands.h: Likewise.
14032         * tree.c: Likewise.
14033         * tree.h: Likewise.
14034         * varasm.c: Likewise.
14035         * varray.h: Likewise.
14036         * vec.h: Likewise.
14037         * coretypes.h: Do not define GTY macro if it is already defined.
14038         * doc/gty.texi: Update GTY documentation to new syntax.
14039         * gengtype-lex.l: Enforce attribute-like syntax for GTY
14040         annotations on structs.
14041         * gengtype-parse.c: Likewise.
14042
14043 2009-04-22  Mark Heffernan  <meheff@google.com>
14044
14045         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
14046
14047 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
14048
14049         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
14050         where appropriate.
14051
14052 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
14053
14054         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
14055         the same as a PLUS without a shift.  Increase the cost of a
14056         CONST_INT in MULT.
14057
14058 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14059
14060         * Makefile.in: Update dependencies.
14061         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
14062         * errors.h: Remove bogus comment about compatibility.
14063         (warning): Update declaration.
14064         * genautomata.c: Update all calls to warning.
14065         * gimple.c: Do not include errors.h. Include toplev.h.
14066         * tree-ssa-structalias.c: Do not include errors.h.
14067         * omega.c: Likewise.
14068         * tree-ssa-reassoc.c: Likewise.
14069         * config/spu/spu-c.c: Likewise.
14070         * config/spu/t-spu-elf: Update dependencies.
14071
14072 2009-04-22  Richard Guenther  <rguenther@suse.de>
14073
14074         PR tree-optimization/39824
14075         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
14076         make sure the types are compatible.
14077
14078 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14079
14080         PR c++/14875
14081         * c-common.c (c_parse_error): Take a token_flags parameter.
14082         Use token_type for the token type instead.
14083         Pass token_flags to cpp_type2name.
14084         * c-common.h (c_parse_error): Update declaration.
14085         * c-parser.c (c_parser_error): Pass 0 as token flags.
14086
14087 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
14088
14089         PR rtl-optimization/39580
14090         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
14091
14092 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
14093
14094         * function.c (expand_function_end): Do not emit a jump to the "naked"
14095         return label for fall-through returns.
14096         * except.c (sjlj_emit_function_exit): Always place the call to the
14097         unregister function at the location installed by expand_function_end.
14098
14099 2009-04-22  Richard Guenther  <rguenther@suse.de>
14100
14101         PR tree-optimization/39845
14102         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
14103         (gen_inbound_check): Likewise.
14104
14105 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
14106
14107         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
14108         padding for PPC.
14109         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
14110         * config/vxlib.c (__gthread_once): Add race guard for PPC.
14111
14112 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
14113
14114         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
14115         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
14116         shift counts to avoid out-of-bounds array accesses.
14117
14118 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
14119
14120         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
14121         (Pmode): Move above.
14122
14123 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
14124
14125         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
14126         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
14127         GET_CODE macro.  Use IN_RANGE macro where appropriate.
14128         * config/alpha/alpha.h: Ditto.
14129         * config/alpha/alpha.md: Ditto.
14130         * config/alpha/constraints.md: Ditto.
14131         * config/alpha/predicates.md: Ditto.
14132
14133 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
14134
14135         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
14136         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14137         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14138         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14139         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14140         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14141         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14142         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14143         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14144         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14145         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14146         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14147         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14148         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14149         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14150         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14151         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14152         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14153         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14154         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14155         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14156         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14157         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14158         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14159         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14160         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14161         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14162
14163 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
14164
14165         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
14166         references from comments.
14167         * cfgbuild.c: (count_basic_blocks): Delete.
14168         (find_basic_blocks_1): Delete.
14169         (find_basic_blocks): Delete.
14170         * except.c (finish_eh_generation): Make static.  Move comment from
14171         except.h here.  Remove find_basic_blocks references from comments.
14172         * except.h (finish_eh_generation): Delete.
14173         * basic-block.h (find_basic_blocks): Delete.
14174         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
14175
14176 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
14177
14178         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
14179         (sdbout_parms):  Likewise.
14180
14181 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
14182
14183         * config/sh/sh.c (prepare_cbranch_operands): Use
14184         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
14185         (expand_cbranchdi4): Likewise.
14186         (from_compare): Add cast to enum type.
14187         (expand_cbranchsi4): Use add_reg_note.
14188         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
14189         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
14190         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
14191         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
14192         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
14193         instead of CODE_FOR_nothing.
14194         (cbranchdi4): Likewise.  Fix the order of arguments for
14195         gen_rtx_fmt_ee.
14196         (push_fpscr): Use add_reg_note.
14197         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
14198         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
14199
14200 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
14201
14202         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
14203         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
14204         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
14205         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
14206         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
14207         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
14208         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
14209         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
14210         config/alpha/x-vms, config/arc/t-arc,
14211         config/arm/README-interworking, config/arm/arm-c.c,
14212         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
14213         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
14214         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
14215         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
14216         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
14217         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
14218         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
14219         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
14220         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
14221         config/cris/t-elfmulti, config/crx/t-crx,
14222         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
14223         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
14224         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
14225         config/h8300/t-h8300, config/i386/athlon.md,
14226         config/i386/darwin-libgcc.10.4.ver,
14227         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
14228         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
14229         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
14230         config/i386/t-linux64, config/i386/t-nwld,
14231         config/i386/t-rtems-i386, config/i386/t-sol2-10,
14232         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
14233         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
14234         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
14235         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
14236         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
14237         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
14238         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
14239         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
14240         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
14241         config/m68k/t-uclinux, config/mcore/t-mcore,
14242         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
14243         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
14244         config/mips/crtn.asm, config/mips/irix-crti.asm,
14245         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
14246         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
14247         config/mips/mips-fixed.md, config/mips/sb1.md,
14248         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
14249         config/mips/t-iris6, config/mips/t-isa3264,
14250         config/mips/t-libgcc-mips16, config/mips/t-linux64,
14251         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
14252         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
14253         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
14254         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
14255         config/mn10300/t-linux, config/mn10300/t-mn10300,
14256         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
14257         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
14258         config/picochip/libgccExtras/clzsi2.asm,
14259         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
14260         config/rs6000/darwin-libgcc.10.4.ver,
14261         config/rs6000/darwin-libgcc.10.5.ver,
14262         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
14263         config/rs6000/t-aix43, config/rs6000/t-aix52,
14264         config/rs6000/t-darwin, config/rs6000/t-fprules,
14265         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
14266         config/rs6000/t-lynx, config/rs6000/t-netbsd,
14267         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
14268         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
14269         config/rs6000/t-rtems, config/rs6000/t-spe,
14270         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
14271         config/score/t-score-elf, config/sh/divcost-analysis,
14272         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
14273         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
14274         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
14275         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
14276         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
14277         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
14278         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
14279         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
14280         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
14281         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
14282         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
14283         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
14284         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
14285         limitx.h, version.c, xcoff.h: Add copyright and license notices.
14286         * config/h8300/genmova.sh: Include copyright and license notices
14287         in generated output.
14288         * config/h8300/mova.md: Regenerate.
14289         * doc/install.texi2html: Include word "Copyright" in copyright
14290         notice and use name "Free Software Foundation, Inc.".
14291         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
14292         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
14293         ChangeLog-2007, ChangeLog-2008: Correct dates.
14294
14295 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
14296
14297         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
14298         NE_EXPR operations as well.
14299         * c-parser.c (c_parser_condition): Do not set location information on
14300         the condition.
14301         (c_parser_conditional_expression): Likewise.
14302         (c_parser_binary_expression): Set location information on operators.
14303         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
14304         TRUTH_NOT_EXPR has been folded.
14305         * fold-const.c (fold_truth_not_expr): Copy location information from
14306         the incoming expression to the outgoing one.
14307         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
14308         recursive calls on the LHS of the operator but pass that of the
14309         operator to recursive calls on the RHS of the operator.  Set it
14310         on the COND_EXPR.
14311         (shortcut_cond_expr): Set the locus of the operator on the second
14312         COND_EXPR and that of the expression on the first in degenerate cases.
14313         Pass the locus of the expression to calls to shortcut_cond_r.
14314         Set the locus of the 'then' block on the associated jump, if any.
14315         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
14316         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
14317         expression to call to gimplify_boolean_expr.
14318
14319 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
14320
14321         * config.gcc: Add additional configuration for
14322         i686-w64-mingw* and x86_64-w64-mingw* triplet.
14323         * config/i386/mingw-w64.h: New mingw-w64 specific header.
14324         (CPP_SPEC): Redefine for allowing -municode option.
14325         (STARTFILE_SPEC): Likewise.
14326         * config/i386/t-mingw-w64: New.
14327         * config/i386/mingw-w64.opt: New.
14328         (municode): Add new target option.
14329         * doc/invoke.texi (municode): Add documentation for new option.
14330
14331 2009-04-21  Ian Lance Taylor  <iant@google.com>
14332
14333         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
14334         Correct test for number of arguments.
14335         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
14336
14337 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
14338
14339         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
14340         argument of emit_library_call.
14341
14342 2009-04-21  Richard Guenther  <rguenther@suse.de>
14343
14344         PR middle-end/39829
14345         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
14346         inside VIEW_CONVERT_EXPRs.
14347
14348 2009-04-21  Martin Jambor  <mjambor@suse.cz>
14349
14350         * tree-switch-conversion.c (build_constructors): Split a long line.
14351         (constructor_contains_same_values_p): New function.
14352         (build_one_array): Create assigns of constants if possible, do not
14353         call mark_sym_for_renaming, call update_stmt.
14354         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
14355         make_rename_temp.  Do not call mark_symbols_for_renaming, call
14356         update_stmt.
14357         (gen_def_assigns): Do not call mark_symbols_for_renaming or
14358         find_new_referenced_vars, call update_stmt.
14359         (gen_inbound_check): Use create_tmp_var and create ssa names manually
14360         instead of calling make_rename_temp.  Do not call
14361         find_new_referenced_vars or mark_symbols_for_renaming, call
14362         update_stmt.
14363
14364 2009-04-21  Richard Guenther  <rguenther@suse.de>
14365
14366         PR tree-optimization/39827
14367         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
14368         (tree_ssa_phiprop): Pass the correct array size.
14369
14370 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
14371
14372         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
14373
14374 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14375
14376         PR 16202
14377         * c-typeck.c (lvalue_p): Move declaration ...
14378         * c-common.h (lvalue_p): ... to here.
14379         * c-common.c (candidate_equal_p): New.
14380         (add_tlist): Use it.
14381         (merge_tlist): Use it.
14382         (warn_for_collisions_1): Likewise.
14383         (warning_candidate_p): Accept more candidates.
14384         (verify_tree): A warning candidate can be an expression. Use
14385         candidate_equal_p.
14386
14387 2009-04-21  Ben Elliston  <bje@au.ibm.com>
14388
14389         PR target/5267
14390         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
14391         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
14392         options.  Remove -mcall-solaris documentation.
14393
14394 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14395
14396         PR c++/13358
14397         * doc/invoke.texi (-Wlong-long): Update description.
14398         * c-lex (interpret_integer): Only warn if there was no previous
14399         overflow and -Wlong-long is enabled.
14400         * c-decl.c (declspecs_add_type): Drop redundant flags.
14401         * c.opt (Wlong-long): Init to -1.
14402         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
14403         and front-end warn_long_long. Wlong-long only depends on other
14404         flags if it is uninitialized.
14405         * c-parser.c (disable_extension_diagnostics): warn_long_long is
14406         the same for CPP and FE.
14407         (restore_extension_diagnostics): Likewise.
14408
14409 2009-04-20  Ian Lance Taylor  <iant@google.com>
14410
14411         Fix enum conversions which are invalid in C++:
14412         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
14413         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
14414         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
14415         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
14416         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
14417         (dbxout_parms): Likewise.
14418         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
14419         (df_clear_flags): Likewise.
14420         * df-problems.c (df_rd_bb_local_compute_process_def): Change
14421         top_flag parameter to int.
14422         (df_chain_create_bb_process_use): Likewise.
14423         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
14424         Remove cast.
14425         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
14426         (df_ref_create_structure, df_def_record_1): Likewise.
14427         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
14428         (df_notes_rescan): Change 0 to VOIDmode in function call.
14429         (df_get_call_refs, df_insn_refs_collect): Likewise.
14430         (df_bb_regs_collect): Likewise.
14431         (df_entry_block_defs_collect): Likewise.
14432         (df_exit_block_uses_collect): Likewise.
14433         * df.h: Update declarations.
14434         * double-int.c (double_int_divmod): Add cast to enum type.
14435         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
14436         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
14437         (based_loc_descr): Likewise.
14438         (loc_descriptor_from_tree_1): Change first_op and second_op to
14439         enum dwarf_location_atom.  Add cast to enum type.
14440         * expmed.c (init_expmed): Change 0 to SET in function call.
14441         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
14442         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
14443         (do_store_flag): Likewise.
14444         * fixed-value.h (struct fixed_value): Change mode to enum
14445         machine_mode.
14446         * function.c (assign_parms): Change 0 to VOIDmode in function call.
14447         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
14448         function call.
14449         (insert_insn_decl, insert_decl, insert_state): Likewise.
14450         (automata_list_finish): Likewise.
14451         * genrecog.c (process_define_predicate): Add cast to enum type.
14452         * gensupport.c (init_predicate_table): Add cast to enum type.
14453         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
14454         function call.
14455         (gimple_build_call_1, gimple_build_label): Likewise.
14456         (gimple_build_goto, gimple_build_asm_1): Likewise.
14457         (gimple_build_switch_1, gimple_build_cdt): Likewise.
14458         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
14459         (enum fallback): Rename from enum fallback_t.
14460         (fallback_t): Typedef as int.
14461         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
14462         GSI_SAME_STMT in function call.
14463         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
14464         enum type.
14465         (setup_reg_class_relations): Likewise.
14466         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
14467         (setup_prohibited_class_mode_regs): Add cast to enum type.
14468         (setup_prohibited_mode_move_regs): Likewise.
14469         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
14470         (record_address_regs): Change i to enum reg_class.
14471         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
14472         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
14473         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
14474         (GET_MODE_2XWIDER_MODE): Likewise.
14475         (GET_CLASS_NARROWEST_MODE): Likewise.
14476         * omp-low.c (expand_omp_for): Add cast to enum type.
14477         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
14478         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
14479         * postreload.c (reload_cse_simplify_operands): Change rclass local
14480         to enum reg_class.
14481         * predict.c (combine_predictions_for_insn): Change best_predictor
14482         and predictor to enum br_predictor.
14483         (combine_predictions_for_bb): Likewise.
14484         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
14485         use SET_PREDICT_EXPR_OUTCOME.
14486         * real.c (real_arithmetic): Change icode to code in function call.
14487         * reginfo.c (init_move_cost): Add casts to enum type.
14488         (init_reg_sets_1, init_fake_stack_mems): Likewise.
14489         * regmove.c (regclass_compatible_p): Change class0 and class1 to
14490         enum reg_class.
14491         * reload.c (find_valid_class): Add casts to enum type.
14492         (push_reload): Change 0 to NO_REGS in function call.
14493         (find_reloads): Change this_alternative to array of enum
14494         reg_class.  Remove some now-unnecessary casts.
14495         (make_memloc): Change 0 to VOIDmode in function call.
14496         * reload1.c (reload): Change 0 to VOIDmode in function call.
14497         (eliminate_regs_1, elimination_effects): Likewise.
14498         (eliminate_regs_in_insn): Likewise.
14499         (emit_input_reload_insns): Add cast to enum type.
14500         (delete_output_reload): Change 0 to VOIDmode in function call.
14501         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
14502         to enum type in function call.
14503         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
14504         (SET_PREDICT_EXPR_OUTCOME): Define.
14505         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
14506         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
14507         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
14508         (dump_function): Likewise.
14509         * tree-dump.h: Update declarations.
14510         * tree-pass.h: Update declarations.
14511         * varasm.c (assemble_integer): Change mclass to enum mode_class.
14512         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
14513         enum type.
14514         (arm_rtx_costs_1): Correct parenthesization.
14515         (arm_rtx_costs): Add casts to enum type.
14516         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
14517         (vfp_emit_fstmd): Use add_rg_note.
14518         (emit_multi_reg_push, emit_sfm): Likewise.
14519         (thumb_set_frame_pointer): Likewise.
14520         (arm_expand_prologue): Likewise.
14521         (arm_regno_class): Change return type to enum reg_class.
14522         (thumb1_expand_prologue): Use add_reg_note.
14523         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
14524         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
14525         in function call.
14526         * config/arm/gentune.sh: Add cast to enum type.
14527         * config/arm/arm-tune.md: Rebuild.
14528         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
14529         (ix86_split_fp_branch, predict_jump): Likewise.
14530         (ix86_expand_multi_arg_builtin): Change sub_code from enum
14531         insn_code to enum rtx_code.
14532         (ix86_builtin_vectorized_function): Add cast to enum type.
14533         * config/i386/i386.md (truncdfsf2): Change slot to enum
14534         ix86_stack_slot.
14535         (truncxf<mode>2, isinf<mode>2): Likewise.
14536         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
14537         enum type.
14538         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
14539         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
14540         (insert_bundle_state): Change 1 to INSERT in function call.
14541         (ia64_add_bundle_selector_before): Likewise.
14542         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
14543         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
14544         (restore_stack_nonlocal): Likewise.
14545         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
14546         function call.
14547         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
14548         function call.
14549         (mips_rtx_costs): Likewise.
14550         (mips_override_options): Add casts to enum type.
14551         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
14552         in function call.
14553         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
14554         (store_reg, set_reg_plus_d): Likewise.
14555         (hppa_expand_prologue, hppa_profile_hook): Likewise.
14556         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
14557         cast to enum type.
14558         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
14559         function call.
14560         (emit_unlikely_jump): Use add_reg_note.
14561         (rs6000_emit_allocate_stack): Likewise.
14562         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
14563         (output_toc): Change 1 to INSERT in function call.
14564         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
14565         (rs6000_initialize_trampoline): Likewise.
14566         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
14567         function call.
14568         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
14569         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
14570         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
14571         (save_gprs): Use add_reg_note.
14572         (s390_emit_prologue): Likewise.
14573         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
14574         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
14575         (sparc_fold_builtin): Add cast to enum type.
14576         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
14577         enum insn_code.
14578         (spu_expand_prologue): Use add_reg_note.
14579         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
14580
14581 2009-04-20  Ian Lance Taylor  <iant@google.com>
14582
14583         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
14584         (c_parser_postfix_expression_after_primary): Get VEC for list of
14585         arguments.  Get original types of arguments.  Call
14586         build_function_call_vec.
14587         (cached_expr_list_1, cached_expr_list_2): New static variables.
14588         (c_parser_expr_list): Change return type to VEC *.  Add
14589         p_orig_types parameter.  Change all callers.
14590         (c_parser_release_expr): New static function.
14591         (c_parser_vec_to_tree_list): New static function.
14592         * c-typeck.c (build_function_call): Rewrite to build a VEC and
14593         call build_function_call_vec.
14594         (build_function_call_vec): New function, based on old
14595         build_function_call.
14596         (convert_arguments): Remove nargs and argarray parameters.  Change
14597         values to a VEC.  Add origtypes parameter.
14598         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
14599         (convert_for_assignment): Add origtype parameter.  Change all
14600         callers.  If warn_cxx_compat, check for conversion to an enum
14601         type when calling a function.
14602         (store_init_value): Add origtype parameter.  Change all callers.
14603         (digest_init): Likewise.
14604         (struct init_node): Add origtype field.
14605         (add_pending_init): Add origtype parameter.  Change all callers.
14606         (output_init_element): Likewise.
14607         (output_pending_init_elements): Pass origtype from init_node to
14608         output_init_element.
14609         (process_init_element): Pass origtype from c_expr to
14610         output_init_element.
14611         (c_finish_return): Add origtype parameter.  Change all callers.
14612         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
14613         caller.
14614         (sync_resolve_params): Likewise.
14615         (sync_resolve_return): Change params to first_param.  Change caller.
14616         (resolve_overloaded_builtins): Change params to VEC *.  Change
14617         callers.  Save first parameter around call to build_function_call_vec.
14618         * c-decl.c (finish_decl): Add origtype parameter.  Change all
14619         callers.  Call build_function_call_vec rather than
14620         build_function_call for cleanup.
14621         * c-tree.h: Update declarations.
14622         * c-common.h: Update declarations.
14623         * stub-objc.c (objc_rewrite_function_call): Change parameter from
14624         params to first_param.
14625         * target.h (struct gcc_target): Change resolve_overloaded_builtin
14626         params parameter from tree to void *.
14627         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
14628         Change arglist parameter to have type void *, and to be a pointer
14629         to a VEC.
14630         * config/rs6000/rs6000-protos.h
14631         (altivec_resolve_overloaded_builtin): Update declaration.
14632         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
14633         fnargs parameter to have type void *, and to be a pointer to a
14634         VEC.  Call build_function_call_vec instead of
14635         build_function_call.
14636         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
14637
14638 2009-04-20  Joey Ye  <joey.ye@intel.com>
14639             Xuepeng Guo  <xuepeng.guo@intel.com>
14640             H.J. Lu  <hongjiu.lu@intel.com>
14641
14642         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
14643
14644         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
14645         (IX86_LEA_PRIORITY): Likewise.
14646         (distance_non_agu_define): New function.
14647         (distance_agu_use): Likewise.
14648         (ix86_lea_for_add_ok): Likewise.
14649         (ix86_dep_by_shift_count): Likewise.
14650
14651         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
14652         should split for LEA.
14653
14654         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
14655         function.
14656         (ix86_dep_by_shift_count): Likewise.
14657
14658 2009-04-20  Richard Guenther  <rguenther@suse.de>
14659
14660         * expr.c (handled_component_p): Move ...
14661         * tree.h (handled_component_p): ... here.
14662         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
14663         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
14664         and REALPART_EXPR to be in one group.
14665
14666 2009-04-20  Richard Guenther  <rguenther@suse.de>
14667
14668         * basic-block.h (get_all_dominated_blocks): Declare.
14669         * dominance.c (get_all_dominated_blocks): New function.
14670         * tree-cfg.c (get_all_dominated_blocks): Remove.
14671         (remove_edge_and_dominated_blocks): Adjust.
14672         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
14673         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
14674         instead of recursing.
14675
14676 2009-04-20  Doug Kwan  <dougkwan@google.com>
14677
14678         * cgraph.h (cgraph_node_ptr): New type for vector functions.
14679         (struct cgraph_node_set_def): New type.
14680         (cgraph_node_set) New type. Also declare vector functions.
14681         (struct cgraph_node_set_element_def): New type.
14682         (cgraph_node_set_element): Ditto.
14683         (cgraph_node_set_iterator): New iterator type.
14684         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
14685         cgraph_node_set_remove, dump_cgraph_node_set,
14686         debug_cgraph_node_set): New prototypes.
14687         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
14688         cgraph_node_set_size): New inlines.
14689         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
14690         including cgraph.h.
14691         (struct ipa_opt_pass): Add struct cgraph_node_set_def
14692         argument to function 'write_summary'.
14693         * ipa.c: Include ggc.h.
14694         (hash_cgraph_node_set_element,
14695         eq_cgraph_node_set_element, cgraph_node_set_new,
14696         cgraph_node_set_add, cgraph_node_set_remove,
14697         cgraph_node_set_find, dump_cgraph_node_set,
14698         debug_cgraph_node_set): New functions.
14699         * Makefile.in (ipa.o): Add dependency on GGC_H.
14700
14701 2009-04-20  Ira Rosen  <irar@il.ibm.com>
14702
14703         PR tree-optimization/39675
14704         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
14705         check of the return code of vect_schedule_slp. Check that
14706         stmt_vec_info still exists for the statement, before checking its
14707         vectorization type.
14708
14709 2009-04-20  Michael Matz  <matz@suse.de>
14710
14711         * Makefile.in (generated_files): Take out $(simple_generated_c).
14712
14713 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
14714
14715         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
14716         (UINTPTR_TYPE):  Likewise.
14717
14718 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
14719
14720         PR c/37481
14721         * c-typeck.c (digest_init): Check for initializing an array with a
14722         string literal.
14723
14724 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
14725
14726         PR c/19771
14727         * c-semantics.c (pop_stmt_list): Propagate
14728         STATEMENT_LIST_HAS_LABEL to parent statement list.
14729
14730 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
14731
14732         * config/mips/mips.h (mips_tune_attr): New macro.
14733         * config/mips/mips.md (cpu): Use it.
14734
14735 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
14736
14737         PR c/38243
14738         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
14739         declaring a tag.
14740
14741 2009-04-19  Diego Novillo  <dnovillo@google.com>
14742
14743         * toplev.c (compile_file): Move call to coverage_finish ...
14744         * cgraphunit.c (ipa_passes): ... here.
14745         Call cgraph_process_new_functions.
14746         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
14747         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
14748
14749 2009-04-19  Jan Hubicka  <jh@suse.cz>
14750
14751         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
14752         cfun.
14753         (dump_cgraph_node): Dump can throw external flag.
14754         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
14755
14756 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14757
14758         PR c/32061
14759         PR c++/36954
14760         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
14761         * common.opt (Wlogical-op): Move from here...
14762         * c.opt (Wlogical-op): ... to here.
14763         * c-typeck.c (parser_build_binary_op): Update call to
14764         warn_logical_operator.
14765         * c-opts.c (c_common_post_options): Enable warn_logical_op with
14766         extra_warnings.
14767         * c-common.c (warn_logical_op): Update.
14768         * c-common.h (warn_logical_op): Update declaration.
14769
14770 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
14771
14772         * tree.c (protected_set_expr_location): Fix formatting.
14773
14774 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
14775
14776         PR c/27676
14777         * c-typeck.c (readonly_warning): new.
14778         (build_unary_op, build_modify_expr): Use readonly_warning for
14779         storing into something readonly but not const-qualified.
14780
14781 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
14782
14783         PR c/22367
14784         * c-typeck.c (build_unary_op): Check for taking address of
14785         expression of type void.
14786
14787 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
14788
14789         PR c/35210
14790         * c-typeck.c (build_function_call): Check for calling a function
14791         with qualified void return types.  Call require_complete_type when
14792         generating a trap.
14793
14794 2009-04-18  Jan Hubicka  <jh@suse.cz>
14795
14796         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
14797         Set nothrow flag.
14798         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
14799         can_throw_external flag.
14800         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
14801         * ipa-pure-const.c (ignore_edge): New function.
14802         (propagate): Compute order for NOTHROW computation; set NOTHROWs
14803         only over can_throw_external edges.
14804         (local_pure_const): Add nothrow flag.
14805         * ipa-utils.c (searchc): Add ignore_edge callback.
14806         (ipa_utils_reduced_inorder): Add ignore_edge callback.
14807         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
14808         (set_nothrow_function_flags): Update cgraph.
14809         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
14810
14811 2009-04-18  Richard Guenther  <rguenther@suse.de>
14812
14813         PR middle-end/39804
14814         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
14815         (fold_stmt): ... this and ...
14816         (fold_stmt_inplace): ... this.
14817         (fold_stmt_1): Fold references in calls and asms.
14818         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
14819
14820 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
14821
14822         * tree-vrp.c (ssa_name_nonzero_p): Remove.
14823         * tree.h: Remove the prototype for ssa_name_nonzero_p.
14824
14825 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
14826
14827         * tree.c (function_args_count): Remove.
14828         * tree.h: Remove the prototype for function_args_count.
14829
14830 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
14831
14832         * tree-iterator.c (expr_only): Remove.
14833         * tree.h: Remove the prototype for expr_only.
14834
14835 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
14836
14837         * reginfo.c (cannot_change_mode_set_regs): Remove.
14838         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
14839
14840 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
14841
14842         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
14843         whether operands 0 and 1 overlaps.
14844
14845 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14846
14847         PR middle-end/36902
14848         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
14849         pointer. Use warning_at instead of warning.
14850         (search_for_addr_array): Likewise.
14851         (check_array_bounds): Likewise.
14852         (check_all_array_refs): Check that the incoming edge is not in the
14853         list of edges to be removed.
14854         (check_all_array_refs): Avoid the temporal pointer.
14855         (vrp_visit_cond_stmt): Fix typo.
14856         (simplify_switch_using_ranges): Handle the case where the switch
14857         index is an integer constant.
14858
14859 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
14860
14861         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
14862
14863 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
14864
14865         * doc/extend.texi, doc/invoke.texi: Fix typos.
14866
14867 2009-04-17  Cary Coutant  <ccoutant@google.com>
14868
14869         * tree-flow-inline.h (get_lineno): Fix inverted test.
14870
14871 2009-04-17  Diego Novillo  <dnovillo@google.com>
14872
14873         * tree-ssa-pre.c (create_expression_by_pieces): Remove
14874         assertion for AVAIL_OUT.
14875
14876 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
14877
14878         PR target/38627
14879         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
14880         * config/sh/linux-atomic.asm: Likewise.
14881
14882 2009-04-17  Diego Novillo  <dnovillo@google.com>
14883
14884         * except.c (debug_eh_tree): New.
14885         (struct eh_region, struct eh_status): Move ...
14886         * except.h: ... here.
14887         (add_type_for_runtime): Declare extern.
14888         (lookup_type_for_runtime): Likewise.
14889         (debug_eh_tree): Declare.
14890         * Makefile.in (GTFILES): List except.h before except.c
14891
14892 2009-04-17  Diego Novillo  <dnovillo@google.com>
14893
14894         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
14895         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
14896         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
14897         (find_vars_r): ... here.
14898         * tree-flow.h (find_referenced_vars_in): Declare.
14899         * tree-ssa-pre.c (create_expression_by_pieces): Assert
14900         that AVAIL_OUT exists for BLOCK.
14901         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
14902         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
14903         (tree-parloops.o): Likewise.
14904
14905 2009-04-17  Simon Baldwin  <simonb@google.com>
14906
14907         * toplev.c (default_tree_printer): Add handling for %E format.
14908
14909 2009-04-17  Diego Novillo  <dnovillo@google.com>
14910
14911         * tree-pretty-print.c (dump_generic_node): Add break after
14912         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
14913         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
14914         FUNCTION_TYPE together.  Call print_struct_decl when printing
14915         structures and TDF_SLIM is not given.
14916         (print_struct_decl): Fix logic for detecting recursion.
14917
14918 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
14919
14920         PR 31567
14921         * gcc.c (create_at_file): New.
14922         (compile_input_file_p): New.
14923         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
14924         * main.c (main): Update call to toplev_main.
14925         * toplev.c (toplev_main): Change signature. Call expandargv.
14926         * toplev.h (toplev_main): Change signature.
14927
14928 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
14929
14930         * dwarf2out.c (field_byte_offset): Use the type size as the field size
14931         if the latter is not constant.
14932
14933 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
14934
14935         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
14936
14937 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
14938
14939         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
14940         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
14941
14942 2009-04-17  Richard Guenther  <rguenther@suse.de>
14943
14944         * tree-ssa-structalias.c (get_constraint_for_component_ref):
14945         Handle component references view-converting an invariant address.
14946
14947 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
14948
14949         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
14950         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
14951         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
14952         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
14953         Use @deftypevr rather than @deftypevar.
14954
14955 2009-04-17  Richard Guenther  <rguenther@suse.de>
14956
14957         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
14958         (get_prop_source_stmt): Likewise.
14959         (can_propagate_from): Likewise.
14960
14961 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
14962
14963         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
14964         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
14965         (--with-multilib-list): Add default value.
14966         * configure: Regenerate.
14967         * Makefile.in (TM_ENDIAN_CONFIG): Define.
14968         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
14969         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
14970         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
14971         Don't add default cpu to multilib list unnecessarily, but do enable
14972         the relevant compiler option..
14973         Add support for --with-multilib-list=<blank> and
14974         --with-multilib-list=!<somelib> to supress unwanted multilibs.
14975         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
14976         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
14977         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
14978         TM_MULTILIB_CONFIG.
14979         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
14980         (MULTILIB_OSDIRNAMES): New variable.
14981         * config/sh/t-1e: Delete file.
14982         * config/sh/t-mlib-sh1: Delete file.
14983         * config/sh/t-mlib-sh2: Delete file.
14984         * config/sh/t-mlib-sh2a: Delete file.
14985         * config/sh/t-mlib-sh2a-nofpu: Delete file.
14986         * config/sh/t-mlib-sh2a-single: Delete file.
14987         * config/sh/t-mlib-sh2a-single-only: Delete file.
14988         * config/sh/t-mlib-sh2e: Delete file.
14989         * config/sh/t-mlib-sh3e: Delete file.
14990         * config/sh/t-mlib-sh4: Delete file.
14991         * config/sh/t-mlib-sh4-nofpu: Delete file.
14992         * config/sh/t-mlib-sh4-single: Delete file.
14993         * config/sh/t-mlib-sh4-single-only: Delete file.
14994         * config/sh/t-mlib-sh4a: Delete file.
14995         * config/sh/t-mlib-sh4a-nofpu: Delete file.
14996         * config/sh/t-mlib-sh4a-single: Delete file.
14997         * config/sh/t-mlib-sh4a-single-only: Delete file.
14998         * config/sh/t-mlib-sh4al: Delete file.
14999         * config/sh/t-mlib-sh5-32media: Delete file.
15000         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
15001         * config/sh/t-mlib-sh5-64media: Delete file.
15002         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
15003         * config/sh/t-mlib-sh5-compact: Delete file.
15004         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
15005         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
15006         * doc/install.texi (Options specification): Add
15007         --with-multilib-list and --with-endian.
15008
15009 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
15010
15011         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
15012         REVISION_c.
15013         (OBJS-common): Add plugin-version.o.
15014         (plugin-version.o): New.
15015         * gcc-plugin.h (plugin_gcc_version): New.
15016         (plugin_default_version_check): New.
15017         (plugin_init_func, plugin_init): Add version argument.
15018         * plugin-version.c: New.
15019         * plugin.c (str_plugin_gcc_version_name): New.
15020         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
15021         pass it to the init function.
15022         (plugin_default_version_check): New.
15023
15024 2009-04-17  Richard Guenther  <rguenther@suse.de>
15025
15026         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
15027         for decl-vs-decl disambiguation.
15028
15029 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
15030
15031         * config/s390/s390.h (s390_tune_attr): New macro definition.
15032         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
15033
15034 2009-04-17  Richard Guenther  <rguenther@suse.de>
15035
15036         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
15037         (fold_stmt_r): Likewise.
15038         (maybe_fold_reference): New function.
15039         (fold_gimple_assign): Handle cases fold_stmt_r did.
15040         (fold_stmt): Do not use fold_stmt_r.
15041         (fold_stmt_inplace): Likewise.
15042
15043 2009-04-17  Richard Guenther  <rguenther@suse.de>
15044
15045         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
15046         (record_equivalences_from_stmt): Remove useless checks and
15047         simplifications.
15048         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
15049         the type is already suitable.
15050
15051 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
15052
15053         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
15054
15055 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
15056
15057         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
15058         (CMPtype): Define as __gcc_CMPtype.
15059
15060 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
15061
15062         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
15063         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
15064
15065 2009-04-17  Richard Guenther  <rguenther@suse.de>
15066
15067         PR tree-optimization/39746
15068         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
15069         special-casing for builtins and static variable use/def.
15070         (call_may_clobber_ref_p_1): Likewise.
15071
15072 2009-04-16  Ian Lance Taylor  <iant@google.com>
15073
15074         * df.h: Include "timevar.h".
15075         (struct df_problem): Change tv_id field to timevar_id_t.
15076         * tree-pass.h: Include "timevar.h".
15077         (struct opt_pass): Change tv_id field to timevar_id_t.
15078         * timevar.h (timevar_id_t): Define TV_NONE.
15079         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
15080         TV_NONE rather than tv_id != 0.
15081         (execute_one_pass): Likewise.
15082         * Makefile.in (DF_H): Add $(TIMEVAR_H).
15083         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
15084         dependencies to $(TREE_PASS_H).
15085         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
15086         to TV_NONE.
15087         (pass_branch_target_load_optimize2): Likewise.
15088         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
15089         (pass_outof_cfg_layout_mode): Likewise.
15090         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
15091         (pass_rebuild_cgraph_edges): Likewise.
15092         (pass_remove_cgraph_callee_edges): Likewise.
15093         * df-core.c (pass_df_initialize_opt): Likewise.
15094         (pass_df_initialize_no_opt): Likewise.
15095         (pass_df_finish): Likewise.
15096         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
15097         * except.c (pass_set_nothrow_function_flags): Likewise.
15098         (pass_convert_to_eh_region_ranges): Likewise.
15099         * final.c (pass_compute_alignments): Likewise.
15100         * function.c (pass_instantiate_virtual_regs): Likewise.
15101         (pass_init_function): Likewise.
15102         (pass_leaf_regs): Likewise.
15103         (pass_match_asm_constraints): Likewise.
15104         * gimple-low.c (pass_lower_cf): Likewise.
15105         (pass_mark_used_blocks): Likewise.
15106         * init-regs.c (pass_initialize_regs): Likewise.
15107         * integrate.c (pass_initial_value_sets): Likewise.
15108         * ira.c (pass_ira): Likewise.
15109         * jump.c (pass_cleanup_barriers): Likewise.
15110         * omp-low.c (pass_expand_omp): Likewise.
15111         (pass_lower_omp): Likewise.
15112         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
15113         * recog.c (pass_split_all_insns): Likewise.
15114         (pass_split_after_reload): Likewise.
15115         (pass_split_before_regstack): Likewise.
15116         (pass_split_before_sched2): Likewise.
15117         (pass_split_for_shorten_branches): Likewise.
15118         * reginfo.c (pass_reginfo_init): Likewise.
15119         (pass_subregs_of_mode_init): Likewise.
15120         (pass_subregs_of_mode_finish): Likewise.
15121         * passes.c (pass_postreload): Likewise.
15122         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
15123         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
15124         (pass_warn_function_return): Likewise.
15125         (pass_warn_function_noreturn): Likewise.
15126         * tree-complex.c (pass_lower_complex): Likewise.
15127         (pass_lower_complex_O0): Likewise.
15128         * tree-if-conv.c (pass_if_conversion): Likewise.
15129         * tree-into-ssa.c (pass_build_ssa): Likewise.
15130         * tree-mudflap.c (pass_mudflap_1): Likewise.
15131         (pass_mudflap_2): Likewise.
15132         * tree-nomudflap.c (pass_mudflap_1): Likewise.
15133         (pass_mudflap_2): Likewise.
15134         * tree-nrv.c (pass_return_slot): Likewise.
15135         * tree-object-size.c (pass_object_sizes): Likewise.
15136         * tree-optimize.c (pass_all_optimizations): Likewise.
15137         (pass_early_local_passes): Likewise.
15138         (pass_all_early_optimizations): Likewise.
15139         (pass_cleanup_cfg): Likewise.
15140         (pass_cleanup_cfg_post_optimizing): Likewise.
15141         (pass_free_datastructures): Likewise.
15142         (pass_free_cfg_annotations): Likewise.
15143         (pass_fixup_cfg): Likewise.
15144         (pass_init_datastructures): Likewise.
15145         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
15146         (pass_late_warn_uninitialized): Likewise.
15147         (pass_update_address_taken): Likewise.
15148         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
15149         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
15150         (pass_cse_sincos): Likewise.
15151         (pass_convert_to_rsqrt): Likewise.
15152         * tree-ssa-structalias.c (pass_build_alias): Likewise.
15153         * tree-stdarg.c (pass_stdarg): Likewise.
15154         * tree-tailcall.c (pass_tail_recursion): Likewise.
15155         (pass_tail_calls): Likewise.
15156         * tree-vect-generic.c (pass_lower_vector): Likewise.
15157         (pass_lower_vector_ssa): Likewise.
15158         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
15159
15160 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
15161
15162         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
15163         XLR entry.
15164         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
15165         Handle -march=xlr.
15166         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
15167         logical and signext.
15168
15169 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
15170
15171         PR target/39767
15172         * config/sh/predicates.md (arith_operand): Check if the operand
15173         of TRUNCATE is a REG.
15174
15175 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15176
15177         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
15178         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
15179
15180 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15181
15182         * tree-iterator.c (tsi_split_statement_list_after,
15183         tsi_split_statement_list_before): Remove.
15184         * tree-iterator.h: Remove the prototypes for
15185         tsi_split_statement_list_after and tsi_split_statement_list_before.
15186
15187 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15188
15189         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
15190         * tree-ssa-propagate.h: Remove the prototype for
15191         stmt_makes_single_load.
15192
15193 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15194
15195         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
15196         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
15197
15198 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15199
15200         * tree-iterator.c (EXPR_LAST_BODY): Remove.
15201
15202 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15203
15204         * except.c (eh_region_outer_p): Remove.
15205         * except.h: Remove the prototype for eh_region_outer_p.
15206
15207 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15208
15209         * function.c (current_function_assembler_name): Remove.
15210         * function.h: Remove the prototype for
15211         current_function_assembler_name.
15212
15213 2009-04-16  Ian Lance Taylor  <iant@google.com>
15214
15215         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
15216         (add_reg_note): Call alloc_reg_note.
15217         * rtl.h (alloc_reg_note): Declare.
15218         * combine.c (try_combine): Use alloc_reg_note.
15219         (recog_for_combine, move_deaths): Likewise.
15220         (distribute_notes): Use alloc_reg_note and add_reg_note.
15221         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
15222         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
15223         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
15224
15225 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
15226
15227         PR rtl-optimization/39762
15228         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
15229         ira_may_move_out_cost): Add comments about way of their usage.
15230         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
15231
15232         * ira-conflicts.c (process_regs_for_copy): Use function
15233         ira_get_register_move_cost instead of global
15234         ira_register_move_cost.
15235
15236         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
15237         color_pass, move_spill_restore, update_curr_costs): Ditto.
15238
15239         * ira-lives.c (process_single_reg_class_operands): Ditto.
15240
15241         * ira-emit.c (emit_move_list): Ditto.
15242
15243         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
15244         (record_reg_classes): Ditto.  Use functions
15245         ira_get_register_move_cost and ira_get_may_move_cost instead of
15246         global vars ira_register_move_cost, ira_may_move_out_cost and
15247         ira_may_move_in_cost.
15248         (record_address_regs): Don't call ira_init_register_move_cost.
15249         Use function ira_get_may_move_cost instead of global
15250         ira_may_move_in_cost.
15251         (process_bb_node_for_hard_reg_moves): Use function
15252         ira_get_register_move_cost instead of global ira_register_move_cost.
15253         (ira_costs): Don't call ira_init_register_move_cost.
15254
15255 2009-04-16  Richard Guenther  <rguenther@suse.de>
15256
15257         * tree-cfg.c (verify_gimple_assign_binary):
15258         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
15259         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
15260         (create_general_new_stmt): Note that this function is broken.
15261
15262 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
15263
15264         * common.opt (fhelp): Add Var(help_flag).
15265         * gcc-plugin.h (plugin_info): Add help.
15266         * plugin.c (plugin_name_args): Add help.
15267         (register_plugin_info): Set plugin->help.
15268         (print_help_one_plugin): New.
15269         (print_plugins_help): New.
15270         * plugin.h (print_plugins_help): New.
15271         * toplev.c (toplev_main): Call print_plugins_help if needed.
15272
15273 2009-04-16  Richard Guenther  <rguenther@suse.de>
15274
15275         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
15276         (gimple_ior_addresses_taken_1): New function.
15277         (gimple_ior_addresses_taken): Likewise.
15278         * gimple.h (struct gimple_statement_with_ops_base): Remove
15279         addresses_taken member.
15280         (gimple_ior_addresses_taken): Declare.
15281         (gimple_addresses_taken, gimple_addresses_taken_ptr,
15282         gimple_set_addresses_taken): Remove.
15283         * ipa-reference.c (mark_address): New function.
15284         (scan_stmt_for_static_refs): Use it for marking addresses taken.
15285         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
15286         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
15287         (gimple_add_to_addresses_taken): Remove.
15288         (get_tmr_operands): Call mark_address_taken.
15289         (get_asm_expr_operands): Likewise.
15290         (get_expr_operands): Likewise.
15291         (build_ssa_operands): Do not clear the addresses_taken bitmap.
15292         (free_stmt_operands): Do not free it.
15293         * tree-ssa.c (delete_tree_ssa): Likewise.
15294         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
15295
15296 2009-04-16  Richard Guenther  <rguenther@suse.de>
15297
15298         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
15299         (walk_stmt_load_store_ops): Likewise.
15300         * gimple.c (get_base_loadstore): New function.
15301         (walk_stmt_load_store_addr_ops): Likewise.
15302         (walk_stmt_load_store_ops): Likewise.
15303         * ipa-pure-const.c (check_op): Simplify.
15304         (check_load, check_store): New functions.
15305         (check_stmt): Use walk_stmt_load_store_ops.
15306         * ipa-reference.c (mark_load): Adjust signature.
15307         (mark_store): Likewise.
15308         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
15309
15310 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
15311
15312         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
15313         (plugin_info): New.
15314         * opts.c (common_handle_option): Don't call print_version.
15315         * plugin.c (plugin_name_args): Add version.
15316         (register_plugin_info): New.
15317         (register_callback): Handle PLUGIN_INFO.
15318         (try_init_one_plugin): New.
15319         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
15320         if failed to init.
15321         (finalize_one_plugin): New.
15322         (finalize_plugins): New.
15323         (print_one_plugin): New.
15324         (print_plugins_versions): New.
15325         * plugin.h (print_plugins_versions): New.
15326         (finalize_plugins): New.
15327         * toplev.c (compile_file): Don't call initialize_plugins.
15328         (print_version): Call print_plugins_versions.
15329         (toplev_main): Call initialize_plugins. Print version if needed.
15330         Call finalize_plugins.
15331
15332 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
15333
15334         * common.opt (fversion): New.
15335         * gcc.c (print_version): New.
15336         (process_command): Don't print the version. Just set print_version.
15337         (main): Print version. Call subprocesses if print_version and
15338         verbose_flag are set.
15339         * opts.c (common_handle_option): Handle OPT_fversion.
15340
15341 2009-04-16  Richard Guenther  <rguenther@suse.de>
15342             Ira Rosen  <irar@il.ibm.com>
15343
15344         PR tree-optimization/39698
15345         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
15346         type of the reduction variable.  Only generate the def if
15347         it is needed.
15348
15349         * omp-low.c (expand_omp_for_generic): When converting to a pointer
15350         make sure to first convert to an integer of the same precision.
15351         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
15352         the type of the evolution correctly in computing the new
15353         induction variable base.
15354
15355 2009-04-16  Richard Guenther  <rguenther@suse.de>
15356
15357         PR middle-end/39625
15358         * tree-cfg.c (make_blocks): Split statements with to-be
15359         abnormal SSA names on the lhs.
15360
15361 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
15362
15363         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
15364         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
15365         * c-typeck.c (really_start_incremental_init): Likewise.
15366         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
15367         (TARGET_INITIALIZER): Remove it.
15368         * target.h (struct target): Remove vector_opaque_p.
15369         * tree.c (build_opaque_vector_type): New.
15370         * tree.h (TYPE_VECTOR_OPAQUE): New.
15371         (build_opaque_vector_type): Declare.
15372         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
15373         * config/rs6000/rs6000.c (build_opaque_vector_type,
15374         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
15375         (rs6000_init_builtins): Use build_opaque_vector_type for
15376         opaque_V4SI_type_node.
15377
15378 2009-04-15  Catherine Moore  <clm@codesourcery.com>
15379
15380         * debug.h (set_name):  Declare.
15381         * dwarf2out.c (dwarf2out_set_name): Declare.
15382         (dwarf2_debug_hooks): Add set_name.
15383         (find_AT_string): New.
15384         (add_AT_string): Call find_AT_string.
15385         (dwarf2out_set_name): New.
15386         * cp/decl.c (grokdeclarator): Call set_name.
15387         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
15388         * debug.c (do_nothing_debug_hooks):  Likewise.
15389         * dbxout.c (dbx_debug_hooks): Likewise.
15390         * sdbout.c (sdb_debug_hooks): Likewise.
15391
15392 2009-04-15  Michael Eager  <eager@eagercon.com>
15393
15394         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
15395         reg for single-precision FPU.
15396         * config/rs6000/rs6000.md (movsi_internal1): Only for
15397         !TARGET_SINGLE_FPU.
15398         (movsi_internal1_single): New. Add pattern to move SI values to/from
15399         single-precision FP regs.
15400
15401 2009-04-15  Richard Guenther  <rguenther@suse.de>
15402
15403         * omp-low.c (lower_rec_input_clauses): Build correct address
15404         expressions.
15405         (expand_omp_for_generic): Fix multiplication type.
15406         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
15407         (generate_memset_zero): Fix types.
15408         * tree-profile.c (prepare_instrumented_value): Correctly
15409         widen a pointer.
15410
15411 2009-04-15  Ian Lance Taylor  <iant@google.com>
15412
15413         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
15414         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
15415         for -Wall and for -Wc++-compat.
15416         (c_common_post_options): For C++, set warn_enum_compare if not
15417         already set.
15418         * c-tree.h (struct c_expr): Add field original_type.
15419         (build_external_ref): Update declaration.
15420         * c-parser.c (c_parser_braced_init): Set original_type.
15421         (c_parser_initelt): Likewise.
15422         (c_parser_expr_no_commas): Likewise.
15423         (c_parser_conditional_expression): Likewise.
15424         (c_parser_cast_expression): Likewise.
15425         (c_parser_unary_expression): Likewise.  Pull setting of
15426         original_code to top of function.
15427         (c_parser_sizeof_expression): Set original_type.
15428         (c_parser_alignof_expression): Likewise.
15429         (c_parser_postfix_expression): Likewise.  Pull setting of
15430         original_code to top of function.
15431         (c_parser_postfix_expression_after_paren_type): Set original_type.
15432         (c_parser_postfix_expression_after_primary): Likewise.
15433         (c_parser_expression): Likewise.
15434         * c-typeck.c (build_external_ref): Add type parameter.  Change all
15435         callers.
15436         (c_expr_sizeof_expr): Set original_type field.
15437         (parser_build_unary_op): Likewise.
15438         (parser_build_binary_op): Likewise.  Optionally warn about
15439         comparisons of enums of different types.
15440         (digest_init): Set original_type field.
15441         (really_start_incremental_init): Likewise.
15442         (push_init_level, pop_init_level): Likewise.
15443         * doc/invoke.texi (Warning Options): -Wenum-compare now
15444         supported in C.
15445
15446 2009-04-15  Richard Guenther  <rguenther@suse.de>
15447
15448         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
15449         out a necessary conversion.
15450         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
15451         names we didn't value number.
15452         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
15453
15454 2009-04-15  Richard Guenther  <rguenther@suse.de>
15455
15456         PR tree-optimization/39764
15457         * tree-ssa-ccp.c (get_value): Canonicalize value with
15458         canonicalize_float_value.
15459
15460 2009-04-15  Jan Hubicka  <jh@suse.cz>
15461
15462         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
15463         Wrong version of patch.
15464
15465 2009-04-15  Jan Hubicka  <jh@suse.cz>
15466
15467         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
15468
15469 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
15470
15471         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
15472         our distinct integral and vector types.
15473
15474 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
15475
15476         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
15477         * init.c (build_vtbl_address): Remove call to assemble_external.
15478
15479 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
15480
15481         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
15482         output for other floating point modes.
15483
15484 2009-04-14  Diego Novillo  <dnovillo@google.com>
15485
15486         * diagnostic.c (diagnostic_report_diagnostic): Do not
15487         warn about loaded plugins for DK_ERROR and DK_WARNING.
15488         * c-decl.c (declspecs_add_type): Move call to
15489         invoke_plugin_callbacks ...
15490         * c-parser.c (c_parser_declspecs): ... here.
15491         * plugin.c (dump_active_plugins): Tidy output.
15492
15493 2009-04-14  Diego Novillo  <dnovillo@google.com>
15494             Le-Chun Wu  <lcwu@google.com>
15495
15496         * configure.ac: Add --enable-plugin support.
15497         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
15498         * Makefile.in (PLUGIN_H): Define.
15499         Export ENABLE_PLUGIN and GMPINC to site.exp.
15500         Add PLUGINLIBS to link command.
15501         Add/modify dependencies for plugin.o and files including plugin.h.
15502         (plugin.o): New.
15503         * config.in: Regenerate.
15504
15505         * opts.c (common_handle_option): Handle OPT_fplugin_ and
15506         OPT_fplugin_arg_.
15507
15508 2009-04-14  Le-Chun Wu  <lcwu@google.com>
15509
15510         * tree-pass.h (register_one_dump_file): Add a prototype for
15511         register_one_dump_file.
15512         * toplev.c (compile_file): Call initialize_plugins.
15513         (do_compile): Call invoke_plugin_callbacks.
15514         (toplev_main): Call invoke_plugin_callbacks.
15515         * common.opt: Add -fplugin= and -fplugin-arg-.
15516         * gcc-plugin.h: New public header file for plugins to include.
15517         * plugin.c: New source file.
15518         * plugin.h: New internal header file.
15519         * passes.c (register_one_dump_file): Make it external.
15520
15521         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
15522
15523 2009-04-14  Diego Novillo  <dnovillo@google.com>
15524
15525         * doc/plugins.texi: New.
15526         * doc/gccint.texi: Add reference to Plugins chapter.
15527         * doc/invoke.texi: Document -fplugin and -fplugin-arg
15528         * diagnostic.c (diagnostic_report_diagnostic): Warn about
15529         loaded plugins, if any.
15530         * timevar.def (TV_PLUGIN_INIT): Define.
15531         (TV_PLUGIN_RUN): Define.
15532         * plugin.c: Include timevar.h
15533         (plugins_active_p): New.
15534         (dump_active_plugins): New.
15535         (debug_active_plugins): New.
15536
15537 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
15538
15539         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
15540         library paths.
15541         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
15542
15543 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
15544
15545         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
15546         the same as a minus without a shift.
15547
15548 2009-04-14  Nick Clifton  <nickc@redhat.com>
15549
15550         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
15551         comparisons with small integers will always produce a short
15552         branch.
15553
15554 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
15555
15556         Merge:
15557         2008-12-19  Diego Novillo  <dnovillo@google.com>
15558
15559         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
15560
15561 2009-04-14  Richard Guenther  <rguenther@suse.de>
15562
15563         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
15564         verification.
15565         (verify_gimple_assign_binary): Likewise.  Handle shifts and
15566         rotates correctly.
15567         (verify_gimple_phi): Print the mismatched argument position.
15568         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
15569         Fix types.
15570         (vect_update_init_of_dr): Likewise.
15571         * matrix-reorg.c (transform_access_sites): Do what the
15572         comment suggests.
15573         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
15574
15575 2009-04-13  Michael Eager  <eager@eagercon.com>
15576
15577         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
15578         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
15579         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
15580         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
15581         remove duplicate config
15582
15583 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
15584
15585         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
15586         file_name:line_number type locator of the call site.
15587
15588 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
15589
15590         * genautomata.c: Put blank after comma.
15591         (automaton_decls): New.
15592         (struct unit_usage): Add comments to member next.
15593         (store_alt_unit_usage): Keep the list ordered.
15594         (unit_present_on_list_p, equal_alternatives_p): New.
15595         (check_regexp_units_distribution): Check units distribution
15596         correctness correctly.
15597         (main): Don't write automata if error is found.  Return correct
15598         exit code.
15599
15600         * config/m68k/cf.md (cfv4_ds): Remove.
15601         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
15602         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
15603
15604         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
15605         power4-load-ext, power4-store, power4-store-update,
15606         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
15607         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
15608         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
15609         power4-sqrt, power4-isync): Modify reservation to make correct
15610         unit distribution to automata.
15611
15612         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
15613         power5-store-update, power5-two, power5-three, power5-lmul,
15614         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
15615
15616 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
15617
15618         * except.c (pass_set_nothrow_function_flags): Set name and add
15619         TODO_dump_func.
15620         (set_nothrow_function_flags): Mention in the dump file when
15621         changing a function to nothrow.
15622
15623 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
15624
15625         PR/39066
15626         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
15627         instead of unsigned long.
15628
15629 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15630
15631         * config/arm/arm.c (return_used_this_function): Remove.
15632         (arm_output_function_prologue): Remove use of
15633         return_used_this_function.
15634         (output_return_instruction): Replace use of
15635         return_used_this_function
15636         by cfun->machine->return_used_this_function.
15637         (arm_output_epilogue): Likewise.
15638         (arm_output_function_epilogue): Likewise.
15639         (thumb_unexpanded_epilogue): Likewise.
15640         * config/arm/arm.h (struct machine_function):
15641         New member return_used_this_function.
15642
15643 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
15644
15645         * doc/install.texi: Correct description of default directory for
15646         --with-gxx-include-dir.
15647
15648 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
15649
15650         * fold-const.c (build_range_check): Properly deal with enumeral and
15651         boolean base types.
15652
15653 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
15654
15655         * doc/invoke.texi (max_gcse_passes): Remove documentation.
15656         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
15657         * params.h (MAX_GCSE_PASSES): Remove.
15658         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
15659         in sequence.  Remove ability to run multiple passes.
15660         (bypass_jumps): Report run as third CPROP pass.
15661
15662 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
15663
15664         PR middle-end/39651
15665         * except.c (can_throw_external): Look at each insn in a SEQUENCE
15666         when deciding whether the whole SEQUENCE can throw.
15667
15668 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
15669
15670         PR target/39740
15671         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
15672         offseted label references.
15673
15674 2009-04-11  Jan Hubicka  <jh@suse.cz>
15675
15676         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
15677
15678 2009-04-11  Richard Guenther  <rguenther@suse.de>
15679
15680         PR middle-end/39732
15681         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
15682         return variables as TREE_ADDRESSABLE.
15683
15684 2009-04-11  Richard Guenther  <rguenther@suse.de>
15685
15686         PR tree-optimization/39713
15687         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
15688         reference trees have SSA_NAME operands.
15689
15690 2009-04-11  Richard Guenther  <rguenther@suse.de>
15691
15692         PR c/39712
15693         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
15694         address expressions.
15695
15696 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
15697
15698         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
15699         match changes in Cygwin 1.7
15700         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
15701         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
15702
15703 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
15704
15705         PR tree-optimization/39701
15706         * doc/invoke.texi (Optimization Options): Document change in
15707         meaning and initialization of -fdelete-null-pointer-checks.
15708
15709 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
15710
15711         PR middle-end/39701
15712         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
15713
15714         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
15715         here.
15716
15717         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
15718
15719 2009-04-10  Chao-ying Fu  <fu@mips.com>
15720
15721         * doc/tm.texi (Instruction Output): Document
15722         TARGET_ASM_FINAL_POSTSCAN_INSN.
15723         * target.h (final_postscan_insn): New field in asm_out.
15724         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
15725         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
15726         * final.c (final_scan_insn): Call
15727         targetm.asm_out.final_postscan_insn after outputting
15728         an asm macro and a normal instruction.
15729
15730         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
15731         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
15732         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
15733         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
15734         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
15735
15736 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
15737
15738         PR middle-end/39701
15739         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
15740         variables as non-NULL even with -fdelete-null-pointer-checks.
15741
15742 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
15743
15744         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
15745
15746 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
15747
15748         PR target/39678
15749         * config/i386/i386.c (classify_argument): Handle SCmode with
15750         (bit_offset % 64) != 0.
15751
15752 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
15753
15754         * doc/invoke.texi (Optimize Options): Add cross-reference to
15755         -Q --help=optimizers examples.
15756
15757 2009-04-10  Ben Elliston  <bje@au.ibm.com>
15758
15759         PR target/36800
15760         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
15761         regalign for the reg == fpr and TDmode case.
15762
15763 2009-04-09  David Ayers  <ayers@fsfe.org>
15764
15765         PR objc/29200
15766         * objc/objc-act.c (warn_with_method): Remove helper function.
15767         (check_duplicates): Call warning and inform directly.
15768         (really_start_method): Likewise.
15769
15770 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
15771
15772         * expmed.c (expand_divmod): Always use a comparison for a division
15773         by a large unsigned integer.
15774
15775         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
15776         for things others than variables or functions as nonzero.
15777
15778 2009-04-09  Nick Clifton  <nickc@redhat.com>
15779
15780         * unwind-compat.c: Change copyright header to refer to version
15781         3 of the GNU General Public License with version 3.1 of the
15782         GCC Runtime Library Exception and to point readers at the
15783         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
15784         * config/alpha/crtfastmath.c: Likewise.
15785         * config/alpha/linux-unwind.h: Likewise.
15786         * config/alpha/qrnnd.asm: Likewise.
15787         * config/alpha/vms-crt0-64.c: Likewise.
15788         * config/alpha/vms-crt0.c: Likewise.
15789         * config/alpha/vms-dwarf2.asm: Likewise.
15790         * config/alpha/vms-dwarf2eh.asm: Likewise.
15791         * config/alpha/vms-psxcrt0-64.c: Likewise.
15792         * config/alpha/vms-psxcrt0.c: Likewise.
15793         * config/alpha/vms_tramp.asm: Likewise.
15794         * config/arc/initfini.c: Likewise.
15795         * config/arc/lib1funcs.asm: Likewise.
15796         * config/arm/bpabi-v6m.S: Likewise.
15797         * config/arm/bpabi.S: Likewise.
15798         * config/arm/bpabi.c: Likewise.
15799         * config/arm/crti.asm: Likewise.
15800         * config/arm/crtn.asm: Likewise.
15801         * config/arm/ieee754-df.S: Likewise.
15802         * config/arm/ieee754-sf.S: Likewise.
15803         * config/arm/lib1funcs.asm: Likewise.
15804         * config/arm/libunwind.S: Likewise.
15805         * config/arm/linux-atomic.c: Likewise.
15806         * config/arm/mmintrin.h: Likewise.
15807         * config/arm/pr-support.c: Likewise.
15808         * config/arm/unaligned-funcs.c: Likewise.
15809         * config/arm/unwind-arm.c: Likewise.
15810         * config/arm/unwind-arm.h: Likewise.
15811         * config/avr/libgcc.S: Likewise.
15812         * config/bfin/crti.s: Likewise.
15813         * config/bfin/crtlibid.s: Likewise.
15814         * config/bfin/crtn.s: Likewise.
15815         * config/bfin/lib1funcs.asm: Likewise.
15816         * config/bfin/linux-unwind.h: Likewise.
15817         * config/cris/arit.c: Likewise.
15818         * config/cris/cris_abi_symbol.c: Likewise.
15819         * config/darwin-64.c: Likewise.
15820         * config/darwin-crt2.c: Likewise.
15821         * config/darwin-crt3.c: Likewise.
15822         * config/darwin.h: Likewise.
15823         * config/dbxelf.h: Likewise.
15824         * config/dfp-bit.c: Likewise.
15825         * config/dfp-bit.h: Likewise.
15826         * config/elfos.h: Likewise.
15827         * config/fixed-bit.c: Likewise.
15828         * config/fixed-bit.h: Likewise.
15829         * config/fp-bit.c: Likewise.
15830         * config/fp-bit.h: Likewise.
15831         * config/fr30/crti.asm: Likewise.
15832         * config/fr30/crtn.asm: Likewise.
15833         * config/fr30/lib1funcs.asm: Likewise.
15834         * config/freebsd-spec.h: Likewise.
15835         * config/frv/cmovd.c: Likewise.
15836         * config/frv/cmovh.c: Likewise.
15837         * config/frv/cmovw.c: Likewise.
15838         * config/frv/frvbegin.c: Likewise.
15839         * config/frv/frvend.c: Likewise.
15840         * config/frv/lib1funcs.asm: Likewise.
15841         * config/glibc-stdint.h: Likewise.
15842         * config/h8300/clzhi2.c: Likewise.
15843         * config/h8300/crti.asm: Likewise.
15844         * config/h8300/crtn.asm: Likewise.
15845         * config/h8300/ctzhi2.c: Likewise.
15846         * config/h8300/fixunssfsi.c: Likewise.
15847         * config/h8300/lib1funcs.asm: Likewise.
15848         * config/h8300/parityhi2.c: Likewise.
15849         * config/h8300/popcounthi2.c: Likewise.
15850         * config/i386/ammintrin.h: Likewise.
15851         * config/i386/att.h: Likewise.
15852         * config/i386/avxintrin.h: Likewise.
15853         * config/i386/biarch64.h: Likewise.
15854         * config/i386/bmmintrin.h: Likewise.
15855         * config/i386/cpuid.h: Likewise.
15856         * config/i386/cross-stdarg.h: Likewise.
15857         * config/i386/crtfastmath.c: Likewise.
15858         * config/i386/crtprec.c: Likewise.
15859         * config/i386/cygming-crtbegin.c: Likewise.
15860         * config/i386/cygming-crtend.c: Likewise.
15861         * config/i386/cygwin.asm: Likewise.
15862         * config/i386/emmintrin.h: Likewise.
15863         * config/i386/gmm_malloc.h: Likewise.
15864         * config/i386/gthr-win32.c: Likewise.
15865         * config/i386/i386.h: Likewise.
15866         * config/i386/immintrin.h: Likewise.
15867         * config/i386/linux-unwind.h: Likewise.
15868         * config/i386/linux64.h: Likewise.
15869         * config/i386/mm3dnow.h: Likewise.
15870         * config/i386/mmintrin-common.h: Likewise.
15871         * config/i386/mmintrin.h: Likewise.
15872         * config/i386/nmmintrin.h: Likewise.
15873         * config/i386/pmm_malloc.h: Likewise.
15874         * config/i386/pmmintrin.h: Likewise.
15875         * config/i386/smmintrin.h: Likewise.
15876         * config/i386/sol2-c1.asm: Likewise.
15877         * config/i386/sol2-ci.asm: Likewise.
15878         * config/i386/sol2-cn.asm: Likewise.
15879         * config/i386/sol2-gc1.asm: Likewise.
15880         * config/i386/tmmintrin.h: Likewise.
15881         * config/i386/unix.h: Likewise.
15882         * config/i386/w32-unwind.h: Likewise.
15883         * config/i386/wmmintrin.h: Likewise.
15884         * config/i386/x86-64.h: Likewise.
15885         * config/i386/x86intrin.h: Likewise.
15886         * config/i386/xmmintrin.h: Likewise.
15887         * config/ia64/crtbegin.asm: Likewise.
15888         * config/ia64/crtend.asm: Likewise.
15889         * config/ia64/crtfastmath.c: Likewise.
15890         * config/ia64/crti.asm: Likewise.
15891         * config/ia64/crtn.asm: Likewise.
15892         * config/ia64/fde-glibc.c: Likewise.
15893         * config/ia64/lib1funcs.asm: Likewise.
15894         * config/ia64/linux-unwind.h: Likewise.
15895         * config/ia64/quadlib.c: Likewise.
15896         * config/ia64/unwind-ia64.c: Likewise.
15897         * config/linux.h: Likewise.
15898         * config/m32c/m32c-lib1.S: Likewise.
15899         * config/m32c/m32c-lib2-trapv.c: Likewise.
15900         * config/m32c/m32c-lib2.c: Likewise.
15901         * config/m32r/initfini.c: Likewise.
15902         * config/m68hc11/larith.asm: Likewise.
15903         * config/m68hc11/m68hc11-crt0.S: Likewise.
15904         * config/m68k/cf.md: Likewise.
15905         * config/m68k/crti.s: Likewise.
15906         * config/m68k/crtn.s: Likewise.
15907         * config/m68k/lb1sf68.asm: Likewise.
15908         * config/m68k/linux-unwind.h: Likewise.
15909         * config/mcore/crti.asm: Likewise.
15910         * config/mcore/crtn.asm: Likewise.
15911         * config/mcore/lib1.asm: Likewise.
15912         * config/mips/linux-unwind.h: Likewise.
15913         * config/mips/loongson.h: Likewise.
15914         * config/mips/mips16.S: Likewise.
15915         * config/mmix/crti.asm: Likewise.
15916         * config/mmix/crtn.asm: Likewise.
15917         * config/pa/fptr.c: Likewise.
15918         * config/pa/hpux-unwind.h: Likewise.
15919         * config/pa/lib2funcs.asm: Likewise.
15920         * config/pa/linux-atomic.c: Likewise.
15921         * config/pa/linux-unwind.h: Likewise.
15922         * config/pa/milli64.S: Likewise.
15923         * config/pa/quadlib.c: Likewise.
15924         * config/pa/stublib.c: Likewise.
15925         * config/picochip/libgccExtras/adddi3.asm: Likewise.
15926         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
15927         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
15928         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
15929         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
15930         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
15931         * config/picochip/libgccExtras/divmod15.asm: Likewise.
15932         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
15933         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
15934         * config/picochip/libgccExtras/longjmp.asm: Likewise.
15935         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
15936         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
15937         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
15938         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
15939         * config/picochip/libgccExtras/setjmp.asm: Likewise.
15940         * config/picochip/libgccExtras/subdi3.asm: Likewise.
15941         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
15942         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
15943         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
15944         * config/rs6000/750cl.h: Likewise.
15945         * config/rs6000/altivec.h: Likewise.
15946         * config/rs6000/biarch64.h: Likewise.
15947         * config/rs6000/crtresfpr.asm: Likewise.
15948         * config/rs6000/crtresgpr.asm: Likewise.
15949         * config/rs6000/crtresxfpr.asm: Likewise.
15950         * config/rs6000/crtresxgpr.asm: Likewise.
15951         * config/rs6000/crtsavfpr.asm: Likewise.
15952         * config/rs6000/crtsavgpr.asm: Likewise.
15953         * config/rs6000/darwin-asm.h: Likewise.
15954         * config/rs6000/darwin-fallback.c: Likewise.
15955         * config/rs6000/darwin-fpsave.asm: Likewise.
15956         * config/rs6000/darwin-ldouble.c: Likewise.
15957         * config/rs6000/darwin-tramp.asm: Likewise.
15958         * config/rs6000/darwin-unwind.h: Likewise.
15959         * config/rs6000/darwin-vecsave.asm: Likewise.
15960         * config/rs6000/darwin-world.asm: Likewise.
15961         * config/rs6000/e500crtres32gpr.asm: Likewise.
15962         * config/rs6000/e500crtres64gpr.asm: Likewise.
15963         * config/rs6000/e500crtres64gprctr.asm: Likewise.
15964         * config/rs6000/e500crtrest32gpr.asm: Likewise.
15965         * config/rs6000/e500crtrest64gpr.asm: Likewise.
15966         * config/rs6000/e500crtresx32gpr.asm: Likewise.
15967         * config/rs6000/e500crtresx64gpr.asm: Likewise.
15968         * config/rs6000/e500crtsav32gpr.asm: Likewise.
15969         * config/rs6000/e500crtsav64gpr.asm: Likewise.
15970         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
15971         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
15972         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
15973         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
15974         * config/rs6000/eabi-ci.asm: Likewise.
15975         * config/rs6000/eabi-cn.asm: Likewise.
15976         * config/rs6000/eabi.asm: Likewise.
15977         * config/rs6000/linux-unwind.h: Likewise.
15978         * config/rs6000/linux64.h: Likewise.
15979         * config/rs6000/paired.h: Likewise.
15980         * config/rs6000/paired.md: Likewise.
15981         * config/rs6000/ppc64-fp.c: Likewise.
15982         * config/rs6000/ppu_intrinsics.h: Likewise.
15983         * config/rs6000/rs6000.h: Likewise.
15984         * config/rs6000/si2vmx.h: Likewise.
15985         * config/rs6000/sol-ci.asm: Likewise.
15986         * config/rs6000/sol-cn.asm: Likewise.
15987         * config/rs6000/spe.h: Likewise.
15988         * config/rs6000/spu2vmx.h: Likewise.
15989         * config/rs6000/sysv4.h: Likewise.
15990         * config/rs6000/tramp.asm: Likewise.
15991         * config/rs6000/vec_types.h: Likewise.
15992         * config/s390/linux-unwind.h: Likewise.
15993         * config/s390/tpf-unwind.h: Likewise.
15994         * config/score/crti.asm: Likewise.
15995         * config/score/crtn.asm: Likewise.
15996         * config/sh/crt1.asm: Likewise.
15997         * config/sh/crti.asm: Likewise.
15998         * config/sh/crtn.asm: Likewise.
15999         * config/sh/divtab-sh4-300.c: Likewise.
16000         * config/sh/divtab-sh4.c: Likewise.
16001         * config/sh/divtab.c: Likewise.
16002         * config/sh/lib1funcs-4-300.asm: Likewise.
16003         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
16004         * config/sh/lib1funcs.asm: Likewise.
16005         * config/sh/lib1funcs.h: Likewise.
16006         * config/sh/linux-atomic.asm: Likewise.
16007         * config/sh/linux-unwind.h: Likewise.
16008         * config/sh/shmedia.h: Likewise.
16009         * config/sh/sshmedia.h: Likewise.
16010         * config/sh/ushmedia.h: Likewise.
16011         * config/sparc/crtfastmath.c: Likewise.
16012         * config/sparc/linux-unwind.h: Likewise.
16013         * config/sparc/sol2-c1.asm: Likewise.
16014         * config/sparc/sol2-ci.asm: Likewise.
16015         * config/sparc/sol2-cn.asm: Likewise.
16016         * config/spu/divmodti4.c: Likewise.
16017         * config/spu/divv2df3.c: Likewise.
16018         * config/spu/float_disf.c: Likewise.
16019         * config/spu/float_unsdidf.c: Likewise.
16020         * config/spu/float_unsdisf.c: Likewise.
16021         * config/spu/float_unssidf.c: Likewise.
16022         * config/spu/mfc_multi_tag_release.c: Likewise.
16023         * config/spu/mfc_multi_tag_reserve.c: Likewise.
16024         * config/spu/mfc_tag_release.c: Likewise.
16025         * config/spu/mfc_tag_reserve.c: Likewise.
16026         * config/spu/mfc_tag_table.c: Likewise.
16027         * config/spu/multi3.c: Likewise.
16028         * config/spu/spu_internals.h: Likewise.
16029         * config/spu/spu_intrinsics.h: Likewise.
16030         * config/spu/spu_mfcio.h: Likewise.
16031         * config/spu/vec_types.h: Likewise.
16032         * config/spu/vmx2spu.h: Likewise.
16033         * config/stormy16/stormy16-lib2.c: Likewise.
16034         * config/svr4.h: Likewise.
16035         * config/sync.c: Likewise.
16036         * config/v850/lib1funcs.asm: Likewise.
16037         * config/vxlib-tls.c: Likewise.
16038         * config/vxlib.c: Likewise.
16039         * config/vxworks-dummy.h: Likewise.
16040         * config/xtensa/crti.asm: Likewise.
16041         * config/xtensa/crtn.asm: Likewise.
16042         * config/xtensa/ieee754-df.S: Likewise.
16043         * config/xtensa/ieee754-sf.S: Likewise.
16044         * config/xtensa/lib1funcs.asm: Likewise.
16045         * config/xtensa/lib2funcs.S: Likewise.
16046         * config/xtensa/linux-unwind.h: Likewise.
16047         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
16048         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
16049         * coretypes.h: Likewise.
16050         * crtstuff.c: Likewise.
16051         * defaults.h: Likewise.
16052         * dwarf2.h: Likewise.
16053         * emutls.c: Likewise.
16054         * gbl-ctors.h: Likewise.
16055         * gcov-io.h: Likewise.
16056         * ginclude/float.h: Likewise.
16057         * ginclude/iso646.h: Likewise.
16058         * ginclude/stdarg.h: Likewise.
16059         * ginclude/stdbool.h: Likewise.
16060         * ginclude/stddef.h: Likewise.
16061         * ginclude/stdfix.h: Likewise.
16062         * ginclude/stdint-gcc.h: Likewise.
16063         * ginclude/tgmath.h: Likewise.
16064         * gthr-aix.h: Likewise.
16065         * gthr-dce.h: Likewise.
16066         * gthr-gnat.c: Likewise.
16067         * gthr-gnat.h: Likewise.
16068         * gthr-lynx.h: Likewise.
16069         * gthr-mipssde.h: Likewise.
16070         * gthr-nks.h: Likewise.
16071         * gthr-posix.c: Likewise.
16072         * gthr-posix.h: Likewise.
16073         * gthr-posix95.h: Likewise.
16074         * gthr-rtems.h: Likewise.
16075         * gthr-single.h: Likewise.
16076         * gthr-solaris.h: Likewise.
16077         * gthr-tpf.h: Likewise.
16078         * gthr-vxworks.h: Likewise.
16079         * gthr-win32.h: Likewise.
16080         * gthr.h: Likewise.
16081         * libgcc2.c: Likewise.
16082         * libgcc2.h: Likewise.
16083         * libgcov.c: Likewise.
16084         * tsystem.h: Likewise.
16085         * typeclass.h: Likewise.
16086         * unwind-c.c: Likewise.
16087         * unwind-compat.h: Likewise.
16088         * unwind-dw2-fde-compat.c: Likewise.
16089         * unwind-dw2-fde-darwin.c: Likewise.
16090         * unwind-dw2-fde-glibc.c: Likewise.
16091         * unwind-dw2-fde.c: Likewise.
16092         * unwind-dw2-fde.h: Likewise.
16093         * unwind-dw2.c: Likewise.
16094         * unwind-dw2.h: Likewise.
16095         * unwind-generic.h: Likewise.
16096         * unwind-pe.h: Likewise.
16097         * unwind-sjlj.c: Likewise.
16098         * unwind.inc: Likewise.
16099         * config/arm/neon-gen.ml: Change generated copyright header to
16100         refer to version 3 of the GNU General Public License with
16101         version 3.1 of the GCC Runtime Library Exception and to point
16102         readers at the COPYING3 and COPYING3.RUNTIME files and the
16103         FSF's license web page.
16104         * config/arm/arm_neon.h: Regenerate.
16105
16106 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
16107
16108         * config/cris/cris.md: Change copyright header to refer to version
16109         3 of the GNU General Public License.
16110         * doc/install.texi2html: Change copyright header to refer to version
16111         3 of the GNU General Public License and to point readers at the
16112         COPYING3 file and the FSF's license web page.
16113         * config/vax/linux.h: Likewise.
16114
16115 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
16116
16117         * config/i386/i386.md (cmpcc): New.
16118         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
16119         (sync_compare_and_swap_cc*): Delete.
16120
16121         * config/s390/s390.c (s390_compare_emitted): Remove.
16122         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
16123         s390_compare_emitted used to be handled.  Assert that modes match.
16124         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
16125         refer to sync_compare_and_swap_ccsi.
16126         * config/s390/s390.h (s390_compare_emitted): Remove.
16127         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
16128         instead of s390_compare_emitted.
16129         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
16130         instead of s390_compare_emitted.
16131         * config/s390/s390.md (cmpcc): New.
16132         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
16133         CC_REGNUM, do not pretend it's set.
16134         (sync_compare_and_swap_cc*): Delete.
16135         * config/s390/predicates.md (cc_reg_operand): New.
16136
16137         * expr.c (sync_compare_and_swap_cc): Delete.
16138         * optabs.h (sync_compare_and_swap_cc): Delete.
16139         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
16140         is being used with can_compare_p.
16141         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
16142         (find_cc_set): New.
16143         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
16144         look for a MODE_CC set instead.  Use emit_store_flag.
16145         (expand_compare_and_swap_loop): Likewise, with some additional
16146         complication to avoid a force_reg when useless.  Use
16147         emit_cmp_and_jump_insns.
16148         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
16149         * doc/md.texi (sync_compare_and_swap_cc): Merge with
16150         sync_compare_and_swap documentation.
16151
16152 2009-04-09  Jan Hubicka  <jh@suse.cz>
16153
16154         * except.c (find_prev_try): Break out from ....
16155         (duplicate_eh_regions): ... here; properly update prev_try pointers
16156         when duplication part of tree.
16157         (dump_eh_tree): Improve dumping.
16158         (verify_eh_region): New.
16159         (verify_eh_tree): Use it.
16160
16161 2009-04-06  Richard Guenther  <rguenther@suse.de>
16162
16163         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
16164         &ARRAY addresses by adjusting their types and prepending
16165         a conversion.
16166         * tree-cfg.c (verify_gimple_assign_single): Verify that
16167         addresses are correct.
16168
16169 2009-04-09  Richard Guenther  <rguenther@suse.de>
16170
16171         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
16172         indices into an array reference if possible.
16173         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
16174         Fold POINTER_PLUS_EXPR statements with invariant address.
16175
16176 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
16177
16178         PR target/39634
16179         * config.gcc (powerpc64-*-linux*): Always build biarch.
16180
16181 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
16182
16183         PR c/39613
16184         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
16185         it and pedwarn if this results in an INTEGER_CST.
16186
16187 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16188
16189         * doc/install.texi: Update minimum GMP version.  Remove obsolete
16190         text in MPFR section.
16191
16192 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
16193
16194         * dwarf2out.c (class_scope_p): New static inline.
16195         (class_or_namespace_scope_p): Use it.
16196         (gen_variable_die): Use DW_TAG_member tag for static data member
16197         declarations instead of DW_TAG_variable.
16198
16199         PR middle-end/39573
16200         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
16201         variables.
16202
16203 2009-04-08  Richard Guenther  <rguenther@suse.de>
16204
16205         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
16206         valueize random data.
16207
16208 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
16209
16210         * config.gcc (aix tm_file):  Add aix-stdint.h.
16211         (aix tm clause use_gcc_stdint):  Set to wrap.
16212         * config/rs6000/aix-stdint.h:  New file.
16213
16214 2009-04-08  Richard Guenther  <rguenther@suse.de>
16215
16216         PR middle-end/36291
16217         * tree-dfa.c (add_referenced_var): Do not recurse into
16218         global initializers.
16219         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
16220         exposed variables.
16221         (fold_const_aggregate_ref): Likewise.
16222
16223 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
16224
16225         * recog.c (ordered_comparison_operator): New.
16226         * gensupport.c (std_preds): Add it.
16227         * doc/md.texi (Machine-Independent Predicates): Document it.
16228
16229 2009-04-08  Jan Hubicka  <jh@suse.cz>
16230
16231         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
16232         * function.h (rtl_eh): Remove exception_handler_label_map.
16233         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
16234         remove_exception_handler_label, for_each_eh_label_1): Remove.
16235         (rtl_remove_unreachable_regions): Remove.
16236         (convert_from_eh_region_ranges): Do not remove unreachable regions.
16237         (find_exception_handler_labels): Don't build the hashtable.
16238         (maybe_remove_eh_handler): Remove.
16239         (for_each_eh_label): Rewrite to walk the tree.
16240         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
16241         * except.h (maybe_remove_eh_handler): Remove.
16242         * passes.c (init_optimization_passes): Schedule second EH cleanup
16243         before out-of-ssa.
16244         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
16245         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
16246
16247 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
16248
16249         * genoutput.c (validate_optab_operands): New.
16250         (gen_insn, gen_expand): Call it.
16251
16252         * genflags.c (gen_insn): Detect misused iterators.
16253         (main): Pass line_no to gen_insn, exit with status 1 on error.
16254
16255         * genextract.c (line_no): Make global.
16256         (VEC_safe_set_locstr): Change assertion to error message.
16257         (main): Exit with status 1 on error.
16258
16259 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
16260
16261         PR c/39614
16262         PR c/39673
16263         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
16264         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
16265         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
16266         * c-convert.c (convert): Do not call fold on results of conversion
16267         functions when the result is a C_MAYBE_CONST_EXPR.
16268         * c-parser.c (c_parser_postfix_expression): Do not fold condition
16269         of __builtin_choose_expr.
16270         * c-typeck.c (remove_c_maybe_const_expr): New.
16271         (build_unary_op, build_conditional_expr, build_compound_expr,
16272         build_binary_op, c_objc_common_truthvalue_conversion): Call
16273         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
16274         integer operands.
16275
16276 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
16277
16278         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
16279         CODE to produce a new one. Add a prototype to use fold_convert_const
16280
16281 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
16282
16283         PR bootstrap/39660
16284         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
16285         mix declarations and code.
16286
16287 2009-04-08  Ben Elliston  <bje@au.ibm.com>
16288
16289         * gcc.c: Replace `CC' with `GCC' throughout.
16290
16291 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
16292
16293         * doc/invoke.texi: Document Atom support.
16294
16295 2009-04-07  Jason Merrill  <jason@redhat.com>
16296
16297         PR c++/25185
16298         * c-common.h, c-common.c: Add flag_pretty_templates.
16299         * c-opts.c (c_common_handle_option): Set it.
16300         * c.opt: Add -fno-pretty-templates.
16301         * doc/invoke.texi (C++ Dialect Options): Likewise.
16302
16303 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
16304
16305         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
16306         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
16307         (ia64_expand_builtin): Likewise.
16308
16309 2009-04-07  Martin Jambor  <mjambor@suse.cz>
16310
16311         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
16312         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
16313         ADDR_EXPRS are include too.
16314
16315 2009-04-07  Richard Guenther  <rguenther@suse.de>
16316
16317         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
16318         decls are only used if passes as parameters or if they are
16319         local statics and the call is not to a builtin.
16320         (call_may_clobber_ref_p_1): Likewise.
16321
16322 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
16323
16324         * expr.c (do_store_flag): Remove last argument.  Simplify code
16325         to avoid duplication of tests already done by can_compare_p.
16326         (expand_expr_real_1): Adjust caller.
16327
16328 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
16329
16330         * optabs.c (can_compare_p): Test the predicate of a
16331         cbranch and cstore pattern.
16332
16333 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
16334
16335         * expr.c (convert_move): Use emit_store_flag instead of
16336         "emulating" it.
16337
16338 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
16339
16340         * config/i386/i386.c (ix86_compare_emitted): Remove.
16341         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
16342         ix86_compare_op0 like ix86_compare_emitted used to be handled.
16343         * config/i386/i386.h (ix86_compare_emitted): Remove.
16344         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
16345         instead of ix86_compare_emitted.
16346         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
16347
16348 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
16349
16350         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
16351         Add t-sysroot-suffix to tmake_file.
16352         * config/print-sysroot-suffix.sh: New file.
16353         * config/t-sysroot-suffix: New file.
16354
16355 2009-04-07  Ben Elliston  <bje@au.ibm.com>
16356
16357         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
16358         as the latter produces a warning when the target does not support
16359         infinity.
16360
16361 2009-04-07  Ben Elliston  <bje@au.ibm.com>
16362
16363         * dfp.c: Replace type punning assignments with memcpy throughout.
16364         * Makefile.in (dfp.o-warn): Remove.
16365
16366 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
16367
16368         PR target/39634
16369         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
16370         Include soft-fp/t-softfp after rs6000/t-linux64.
16371
16372 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
16373
16374         * stor-layout.c (set_sizetype): Use the full precision of their
16375         machine mode for bitsize types.
16376
16377 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
16378
16379         * config/i386/i386.md: Revert 2 accidental checkins.
16380
16381 2009-04-06  Joey Ye  <joey.ye@intel.com>
16382             Xuepeng Guo  <xuepeng.guo@intel.com>
16383             H.J. Lu  <hongjiu.lu@intel.com>
16384
16385         Atom pipeline model, tuning and insn selection.
16386         * config.gcc (atom): Add atom config options and target.
16387
16388         * config/i386/atom.md: New.
16389
16390         * config/i386/i386.c (atom_cost): New cost.
16391         (m_ATOM): New macro flag.
16392         (initial_ix86_tune_features): Set m_ATOM.
16393         (x86_accumulate_outgoing_args): Likewise.
16394         (x86_arch_always_fancy_math_387): Likewise.
16395         (processor_target): Add Atom cost.
16396         (cpu_names): Add Atom cpu name.
16397         (override_options): Set Atom ISA.
16398         (ix86_issue_rate): New case PROCESSOR_ATOM.
16399         (ix86_adjust_cost): Likewise.
16400
16401         * config/i386/i386.h (TARGET_ATOM): New target macro.
16402         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
16403         (TARGET_OPT_AGU): New target option.
16404         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
16405         (processor_type): Add PROCESSOR_ATOM.
16406
16407         * config/i386/i386.md (cpu): Add new value "atom".
16408         (use_carry, movu): New attr.
16409         (atom.md): Include atom.md.
16410         (adddi3_carry_rex64): Set attr "use_carry".
16411         (addqi3_carry): Likewise.
16412         (addhi3_carry): Likewise.
16413         (addsi3_carry): Likewise.
16414         (*addsi3_carry_zext): Likewise.
16415         (subdi3_carry_rex64): Likewise.
16416         (subqi3_carry): Likewise.
16417         (subhi3_carry): Likewise.
16418         (subsi3_carry): Likewise.
16419         (x86_movdicc_0_m1_rex64): Likewise.
16420         (*x86_movdicc_0_m1_se): Likewise.
16421         (x86_movsicc_0_m1): Likewise.
16422         (*x86_movsicc_0_m1_se): Likewise.
16423         (*adddi_1_rex64): Emit add insn as much as possible.
16424         (*addsi_1): Likewise.
16425         (return_internal): Set atom_unit.
16426         (return_internal_long): Likewise.
16427         (return_pop_internal): Likewise.
16428         (*rcpsf2_sse): Set atom_sse_attr attr.
16429         (*qrt<mode>2_sse): Likewise.
16430         (*prefetch_sse): Likewise.
16431
16432         * config/i386/i386-c.c (ix86_target_macros_internal): New case
16433         PROCESSOR_ATOM.
16434         (ix86_target_macros_internal): Likewise.
16435
16436         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
16437         (*prefetch_sse_rex): Likewise.
16438         (sse_rcpv4sf2): Likewise.
16439         (sse_vmrcpv4sf2): Likewise.
16440         (sse_sqrtv4sf2): Likewise.
16441         (<sse>_vmsqrt<mode>2): Likewise.
16442         (sse_ldmxcsr): Likewise.
16443         (sse_stmxcsr): Likewise.
16444         (*sse_sfence): Likewise.
16445         (sse2_clflush): Likewise.
16446         (*sse2_mfence): Likewise.
16447         (*sse2_lfence): Likewise.
16448         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
16449         (<sse>_movup<ssemodesuffixf2c>): Likewise.
16450         (avx_movdqu<avxmodesuffix>): Likewise.
16451         (avx_lddqu<avxmodesuffix>): Likewise.
16452         (sse2_movntv2di): Change attr "type" to "ssemov".
16453         (sse2_movntsi): Likewise.
16454         (rsqrtv8sf2): Change attr "type" to "sseadd".
16455         (sse3_addsubv2df3): Set attr "atom_unit".
16456         (sse3_h<plusminus_insn>v4sf3): Likewise.
16457         (*sse2_pmaddwd): Likewise.
16458         (*vec_extractv2di_1_rex64): Likewise.
16459         (*vec_extractv2di_1_avx): Likewise.
16460         (sse2_psadbw): Likewise.
16461         (ssse3_phaddwv8hi3): Likewise.
16462         (ssse3_phaddwv4hi3): Likewise.
16463         (ssse3_phadddv4si3): Likewise.
16464         (ssse3_phadddv2si3): Likewise.
16465         (ssse3_phaddswv8hi3): Likewise.
16466         (ssse3_phaddswv4hi3): Likewise.
16467         (ssse3_phsubwv8hi3): Likewise.
16468         (ssse3_phsubwv4hi3): Likewise.
16469         (ssse3_phsubdv4si3): Likewise.
16470         (ssse3_phsubdv2si3): Likewise.
16471         (ssse3_phsubswv8hi3): Likewise.
16472         (ssse3_phsubswv4hi3): Likewise.
16473         (ssse3_pmaddubsw128): Likewise.
16474         (sse3_pmaddubsw: Likewise.
16475         (ssse3_palignrti): Likewise.
16476         (ssse3_palignrdi): Likewise.
16477
16478 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
16479
16480         * doc/install.texi (Specific): Fix two cross-references to MinGW.
16481
16482 2009-04-06  Richard Guenther  <rguenther@suse.de>
16483
16484         PR tree-optimization/28868
16485         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
16486         of which PHI results we inserted.
16487         (insert_into_preds_of_block): Record inserted PHIs.
16488         (eliminate): Eliminate redundant PHI nodes.
16489         (init_pre): Init inserted_phi_names.
16490
16491 2009-04-06  Richard Guenther  <rguenther@suse.de>
16492
16493         PR tree-optimization/39643
16494         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
16495         IMAGPART_EXPRs of complex constants.
16496         (execute_fold_all_builtins): If we folded a call queue
16497         TODO_update_address_taken.
16498
16499 2009-04-06  Jan Hubicka  <jh@suse.cz>
16500
16501         PR middle-end/39659
16502         * except.c (remove_unreachable_regions): Propagate may_contain_throw
16503         flag.
16504
16505 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
16506
16507         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
16508         delay slot.
16509         (ic_invalidate_array): Likewise.
16510
16511 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
16512
16513         * calls.c (emit_library_call_value_1): Fix a problem with parameter
16514         alignment for library calls.
16515
16516 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
16517
16518         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
16519         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
16520         * config/i386/mingw-stdint.h:  New file.
16521
16522 2009-04-05  Richard Guenther  <rguenther@suse.de>
16523
16524         PR tree-optimization/39648
16525         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
16526         our &A vs. &A[0] IL deficiencies.
16527
16528 2009-04-04  Jan Hubicka  <jh@suse.cz>
16529
16530         * except.c (sjlj_find_directly_reachable_regions): Be ready for
16531         removed toplevel regions.
16532         (sjlj_mark_call_sites): Likewise.
16533
16534 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
16535
16536         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
16537         (cygwin tm clause use_gcc_stdint):  Set to wrap.
16538         * config/i386/cygwin-stdint.h:  New file.
16539
16540 2009-04-04  Richard Guenther  <rguenther@suse.de>
16541
16542         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
16543         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
16544         single-argument PHIs if we are in loop-closed SSA form.
16545         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
16546         for the pre-condition.
16547         (slpeel_tree_peel_loop_to_edge): Likewise.
16548         (vect_build_loop_niters): Take an optional sequence to append stmts.
16549         (vect_generate_tmps_on_preheader): Likewise.
16550         (vect_do_peeling_for_loop_bound): Take extra guards for the
16551         pre-condition.
16552         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
16553         the cost model check.
16554         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
16555         guards if we are going to peel.  Do not apply versioning in that case.
16556         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
16557         (vect_do_peeling_for_loop_bound): Likewise.
16558         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
16559         loop bound only record extra pre-conditions, do not apply loop
16560         versioning.
16561
16562 2009-04-04  Richard Guenther  <rguenther@suse.de>
16563
16564         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
16565         renaming code.
16566
16567 2009-04-04  Jan Hubicka  <jh@suse.cz>
16568
16569         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
16570         last_basic_block for size of bb->index indexed array.
16571         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
16572         compute_out, link_btr_uses, build_btr_def_use_webs,
16573         build_btr_def_use_webs, migrate_btr_defs): Likewise.
16574
16575 2009-04-04  Jan Hubicka  <jh@suse.cz>
16576
16577         * except.c (remove_eh_handler_and_replace): Break out from ...
16578         (remove_eh_handler): ... here.
16579         (bring_to_root): New function.
16580         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
16581         handled ones, bring others to root of tree.
16582
16583 2009-04-04  Jan Hubicka  <jh@suse.cz>
16584
16585         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
16586         (all_phis_safe_to_merge): New function.
16587         (update_info): New structure.
16588         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
16589         (cleanup_empty_eh): Update SSA if possible.
16590
16591 2009-04-04  Richard Guenther  <rguenther@suse.de>
16592
16593         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
16594         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
16595         (append_vuse): Likewise.
16596
16597 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
16598
16599         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
16600         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
16601         instead of REG_UNSAVED for DW_CFA_undefined.
16602         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
16603         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
16604         outermost frame.
16605
16606 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
16607
16608         PR target/39501
16609         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
16610         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
16611         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
16612
16613 2009-04-04  Richard Guenther  <rguenther@suse.de>
16614
16615         PR tree-optimization/8781
16616         PR tree-optimization/37892
16617         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
16618         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
16619         (valueize_refs): Call it for *& valueizations.
16620         (shared_reference_ops_from_ref): Rename to ...
16621         (valueize_shared_reference_ops_from_ref): ... this and valueize.
16622         (shared_reference_ops_from_call): Rename to ...
16623         (valueize_shared_reference_ops_from_call): ... this and valueize.
16624         (vn_reference_lookup): Update.
16625         (visit_reference_op_call): Likewise.
16626         * tree-ssa-pre.c (phi_translate_1): Fold *&.
16627         (eliminate): Value-replace the call address in call statements.
16628
16629 2009-04-04  Richard Guenther  <rguenther@suse.de>
16630
16631         PR tree-optimization/39636
16632         * tree-ssa-forwprop.c
16633         (forward_propagate_addr_into_variable_array_index): Check for
16634         GIMPLE_ASSIGN before accessing the rhs code.
16635
16636 2009-04-03  Jason Merrill  <jason@redhat.com>
16637
16638         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
16639
16640 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
16641
16642         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
16643         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
16644         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
16645         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
16646         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
16647         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
16648         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
16649         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
16650         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
16651         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
16652         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
16653         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
16654         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
16655         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
16656         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
16657         Use fr_reg_or_fp01_operand instead of fr_register_operand
16658
16659         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
16660         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
16661         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
16662
16663 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
16664
16665         PR rtl-optimization/39607
16666         PR rtl-optimization/39631
16667
16668         Revert:
16669
16670         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
16671         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
16672         instead of DF_LR_OUT.
16673         * ira-lives.c (process_bb_node_lives): Ditto.
16674         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
16675         instead of DF_LR_{OUT,IN}.
16676         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
16677         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
16678
16679 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
16680
16681         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
16682         (execute_lower_omp): Always run but take the short way out if -fopenmp
16683         is not given.
16684         (gate_lower_omp): Remove, forcing the pass manager to always run the
16685         pass and always set PROP_gimple_lomp.
16686         (pass_lower_omp): Remove gate function.
16687         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
16688         PROP_trees.  Instead, require it.
16689         * ipa-cp.c (pass_ipa_cp): Likewise.
16690         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
16691         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
16692         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
16693         and PROP_gimple_leh.
16694
16695 2009-04-03  Richard Guenther  <rguenther@suse.de>
16696
16697         PR middle-end/13146
16698         PR tree-optimization/23940
16699         PR tree-optimization/33237
16700         PR middle-end/33974
16701         PR middle-end/34093
16702         PR tree-optimization/36201
16703         PR tree-optimization/36230
16704         PR tree-optimization/38049
16705         PR tree-optimization/38207
16706         PR tree-optimization/38230
16707         PR tree-optimization/38301
16708         PR tree-optimization/38585
16709         PR middle-end/38895
16710         PR tree-optimization/38985
16711         PR tree-optimization/39299
16712         * tree-ssa-structalias.h: Remove.
16713         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
16714         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
16715         (struct vuse_element_d): Remove.
16716         (struct vuse_vec_d): Likewise.
16717         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
16718         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
16719         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
16720         VUSE_ELEMENT_VAR): Likewise.
16721         (struct voptype_d): Likewise.
16722         (NUM_VOP_FREE_BUCKETS): Likewise.
16723         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
16724         (struct stmt_operands_d): Remove.
16725         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
16726         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
16727         VDEF_NUM, VDEF_VECT): Likewise.
16728         (copy_virtual_operands): Remove.
16729         (operand_build_cmp): Likewise.
16730         (create_ssa_artificial_load_stmt): Likewise.
16731         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
16732         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
16733         vuse_index and mayuse_index members.  Pack and move done and iter_type
16734         members to the front.
16735         (SSA_OP_VMAYUSE): Remove.
16736         (SSA_OP_VIRTUAL_USES): Adjust.
16737         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
16738         (unlink_stmt_vdef): Declare.
16739         (add_to_addressable_set): Remove.
16740         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
16741         (vrp_visit_stmt): Likewise.
16742         * doc/tree-ssa.texi (Alias analysis): Update.
16743         * doc/invoke.texi (max-aliased-vops): Remove docs.
16744         (avg-aliased-vops): Likewise.
16745         * tree-into-ssa.c (syms_to_rename): Remove.
16746         (need_to_update_vops_p): Likewise.
16747         (need_to_initialize_update_ssa_p): Rename to ...
16748         (update_ssa_initialized_fn): ... this.  Track function we are
16749         initialized for.
16750         (symbol_marked_for_renaming): Simplify.
16751         (add_new_name_mapping): Do not set need_to_update_vops_p.
16752         (dump_currdefs): Use SYMS_TO_RENAME.
16753         (rewrite_update_stmt): Always walk all uses/defs.
16754         (dump_update_ssa): Adjust.
16755         (init_update_ssa): Take function argument.  Track what we are
16756         initialized for.
16757         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
16758         (create_new_def_for): Initialize for cfun, assert we are initialized
16759         for cfun.
16760         (mark_sym_for_renaming): Simplify.
16761         (mark_set_for_renaming): Do not initialize update-ssa.
16762         (need_ssa_update_p): Simplify.  Take function argument.
16763         (name_mappings_registered_p): Assert we ask for the correct function.
16764         (name_registered_for_update_p): Likewise.
16765         (ssa_names_to_replace): Likewise.
16766         (release_ssa_name_after_update_ssa): Likewise.
16767         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
16768         (dump_decl_set): Do not print a newline.
16769         (debug_decl_set): Do it here.
16770         (dump_update_ssa): And here.
16771         * tree-ssa-loop-im.c (move_computations): Adjust.
16772         (movement_possibility): Likewise.
16773         (determine_max_movement): Likewise.
16774         (gather_mem_refs_stmt): Likewise.
16775         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
16776         or NAME_MEMORY_TAG.
16777         * tree-complex.c (update_all_vops): Remove.
16778         (expand_complex_move): Adjust.
16779         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
16780         Simplify test for memory referencing statement.  Exclude
16781         non-invariant ADDR_EXPRs.
16782         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
16783         * tree-loop-distribution.c (generate_memset_zero): Adjust.
16784         (rdg_flag_uses): Likewise.
16785         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
16786         related code.
16787         (tree_optimize_tail_calls_1): Also split the
16788         edge from the entry block if we have degenerate PHI nodes in
16789         the first basic block.
16790         * tree.c (init_ttree): Remove memory-tag related code.
16791         (tree_code_size): Likewise.
16792         (tree_node_structure): Likewise.
16793         (build7_stat): Re-write to be build6_stat.
16794         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
16795         (SSA_VAR_P): Adjust.
16796         (struct tree_memory_tag): Remove.
16797         (struct tree_memory_partition_tag): Likewise.
16798         (union tree_node): Adjust.
16799         (build7): Re-write to be build6.
16800         * tree-pass.h (pass_reset_cc_flags): Remove.
16801         (TODO_update_address_taken): New flag.
16802         (pass_simple_dse): Remove.
16803         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
16804         * params.h (MAX_ALIASED_VOPS): Remove.
16805         (AVG_ALIASED_VOPS): Likewise.
16806         * omp-low.c (expand_omp_taskreg): Update SSA form.
16807         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
16808         aliases the lhs in a copy stmt.
16809         * tree-ssa-dse.c (struct address_walk_data): Remove.
16810         (memory_ssa_name_same): Likewise.
16811         (memory_address_same): Likewise.
16812         (get_kill_of_stmt_lhs): Likewise.
16813         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
16814         unused stores.  Look through PHI nodes into post-dominated regions.
16815         (dse_optimize_stmt): Simplify.  Properly remove stores.
16816         (tree_ssa_dse): Compute dominators.
16817         (execute_simple_dse): Remove.
16818         (pass_simple_dse): Likewise.
16819         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
16820         gimple_loaded_syms and gimple_stored_syms computation.
16821         * toplev.c (dump_memory_report): Dump alias and pta stats.
16822         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
16823         (vn_reference_eq): Likewise.
16824         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
16825         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
16826         valueize_vuses): Remove.
16827         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
16828         (get_def_ref_stmt_vuse): ... this.
16829         (vn_reference_lookup_2): New function.
16830         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
16831         walking equivalent vuses.  Simplify.
16832         (vn_reference_lookup): Likewise.
16833         (vn_reference_insert): Likewise.
16834         (vn_reference_insert_pieces): Likewise.
16835         (visit_reference_op_call): Simplify.
16836         (visit_reference_op_load): Likewise.
16837         (visit_reference_op_store): Likewise.
16838         (init_scc_vn): Remove shared_lookup_vuses initialization.
16839         (free_scc_vn): Remove shared_lookup_vuses freeing.
16840         (sort_vuses, sort_vuses_heap): Remove.
16841         (get_ref_from_reference_ops): Export.
16842         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
16843         vector with single vuse pointer.
16844         (vn_reference_lookup_pieces, vn_reference_lookup,
16845         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
16846         (shared_vuses_from_stmt): Remove.
16847         (get_ref_from_reference_ops): Declare.
16848         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
16849         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
16850         memory-tag related code.
16851         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
16852         (likely_value): Add comment, skip static-chain of call statements.
16853         (surely_varying_stmt_p): Adjust.
16854         (gimplify_and_update_call_from_tree): Likewise.
16855         (execute_fold_all_builtins): Do not rebuild alias info.
16856         (gimplify_and_update_call_from_tree): Properly update VOPs.
16857         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
16858         (copy_ref_info): Remove memory-tag related code.
16859         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
16860         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
16861         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
16862         computation.
16863         * tree-ssa-dom.c (gimple_p): Remove typedef.
16864         (eliminate_redundant_computations): Adjust.
16865         (record_equivalences_from_stmt): Likewise.
16866         (avail_expr_hash): Likewise.
16867         (avail_expr_eq): Likewise.
16868         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
16869         (stmt_makes_single_load): Likewise.
16870         (stmt_makes_single_store): Likewise.
16871         * tree-ssa-alias.c: Rewrite completely.
16872         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
16873         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
16874         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
16875         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
16876         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
16877         Remove public functions.
16878         (pass_reset_cc_flags): Remove.
16879         (pass_build_alias): Move ...
16880         * tree-ssa-structalias.c (pass_build_alias): ... here.
16881         * tree-ssa-alias.c (may_be_aliased): Move ...
16882         * tree-flow-inline.h (may_be_aliased): ... here.
16883         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
16884         count_uses_and_derefs): Move ...
16885         * gimple.c: ... here.
16886         * gimple.h (count_uses_and_derefs): Declare.
16887         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
16888         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
16889         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
16890         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
16891         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
16892         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
16893         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
16894         New functions.
16895         * tree-dfa.c (refs_may_alias_p): Move ...
16896         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
16897         * tree-ssa-alias.h: New file.
16898         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
16899         (statement_sink_location): Likewise.
16900         * opts.c (decode_options): Do not adjust max-aliased-vops or
16901         avg-aliased-vops values.
16902         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
16903         (TV_CALL_CLOBBER): Likewise.
16904         (TV_FLOW_SENSITIVE): Likewise.
16905         (TV_FLOW_INSENSITIVE): Likewise.
16906         (TV_MEMORY_PARTITIONING): Likewise.
16907         (TV_ALIAS_STMT_WALK): New timevar.
16908         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
16909         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
16910         (get_address_description): Remove memory-tag related code.
16911         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
16912         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
16913         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
16914         and immediate uses in statements.  Document.
16915         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
16916         (dump_symbols): Remove.
16917         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
16918         * alias.c (get_deref_alias_set): New function split out from ...
16919         (get_alias_set): ... here.
16920         * alias.h (get_deref_alias_set): Declare.
16921         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
16922         type parameter.  Remove restrict pointer handling.  Create a
16923         ref-all pointer in case type-based alias sets do not conflict.
16924         (vect_analyze_data_refs): Remove SMT related code.
16925         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
16926         (vectorizable_load): Likewise.
16927         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
16928         (DR_SYMBOL_TAG, DR_VOPS): Remove.
16929         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
16930         Ignore vops and SMTs.
16931         (dr_analyze_alias): Likewise..
16932         (free_data_ref): Likewise.
16933         (create_data_ref): Likewise.
16934         (analyze_all_data_dependences): Likewise.
16935         (get_references_in_stmt): Adjust.
16936         * tree-flow-inline.h (gimple_aliases_computed_p,
16937         gimple_addressable_vars, gimple_call_clobbered_vars,
16938         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
16939         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
16940         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
16941         gimple_mem_ref_stats): Remove.
16942         (gimple_vop): New function.
16943         (op_iter_next_use): Remove vuses and mayuses cases.
16944         (op_iter_next_def): Remove vdefs case.
16945         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
16946         (clear_and_done_ssa_iter): Do not set removed fields.
16947         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
16948         Assert we are not iterating over vuses or vdefs if not also
16949         iterating over uses or defs.
16950         (op_iter_init_use): Likewise.
16951         (op_iter_init_def): Likewise.
16952         (op_iter_next_vdef): Remove.
16953         (op_iter_next_mustdef): Likewise.
16954         (op_iter_init_vdef): Likewise.
16955         (compare_ssa_operands_equal): Likewise.
16956         (link_use_stmts_after): Handle vuse operand.
16957         (is_call_used): Use is_call_clobbered.
16958         (is_call_clobbered): Global variables are always call clobbered,
16959         query the call-clobbers bitmap.
16960         (mark_call_clobbered): Ignore global variables.
16961         (clear_call_clobbered): Likewise.
16962         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
16963         virtual operands sanity check.
16964         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
16965         Remove.
16966         (TARGET_MEM_REF): Remove TMR_TAG operand.
16967         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
16968         Remove call-clobber related code.
16969         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
16970         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
16971         partitions or escape reason.
16972         (get_single_def_stmt, get_single_def_stmt_from_phi,
16973         get_single_def_stmt_with_phi): Remove.
16974         (dump_referenced_vars): Tidy.
16975         (get_ref_base_and_extent): Allow bare decls.
16976         (collect_dfa_stats): Adjust.
16977         * graphite.c (rename_variables_in_stmt): Adjust.
16978         (graphite_copy_stmts_from_block): Likewise.
16979         (translate_clast): Likewise.
16980         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
16981         (EXPR_DIES): New.
16982         (translate_vuse_through_block): Use the oracle.
16983         (phi_translate_1): Adjust.
16984         (value_dies_in_block_x): Use the oracle.  Cache the outcome
16985         in EXPR_DIES.
16986         (valid_in_sets): Check if the VUSE for
16987         a REFERENCE is available.
16988         (eliminate): Do not remove stmts during elimination,
16989         instead queue and remove them afterwards.
16990         (do_pre): Do not rebuild alias info.
16991         (pass_pre): Run TODO_rebuild_alias before PRE.
16992         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
16993         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
16994         (mark_all_v_defs_stmt): Remove.
16995         (mark_all_v_defs_seq): Adjust.
16996         (sra_replace): Likewise.
16997         (scalarize_use): Likewise.
16998         (scalarize_copy): Likewise.
16999         (scalarize_init): Likewise.
17000         (scalarize_ldst): Likewise.
17001         (todoflags): Remove.
17002         (tree_sra): Do not rebuild alias info.
17003         (tree_sra_early): Adjust.
17004         (pass_sra): Run TODO_update_address_taken before SRA.
17005         * tree-predcom.c (set_alias_info): Remove.
17006         (prepare_initializers_chain): Do not call it.
17007         (mark_virtual_ops_for_renaming): Adjust.
17008         (mark_virtual_ops_for_renaming_list): Remove.
17009         (initialize_root_vars): Adjust.
17010         (initialize_root_vars_lm): Likewise.
17011         (prepare_initializers_chain): Likewise.
17012         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
17013         (may_propagate_copy_into_stmt): Likewise.
17014         (merge_alias_info): Do nothing for now.
17015         (propagate_tree_value_into_stmt): Adjust.
17016         (stmt_may_generate_copy): Likewise.
17017         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
17018         not mark symbols for renaming.
17019         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
17020         with the same statement, make sure to update the new pointed-to one.
17021         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
17022         call statements, do not mark symbols for renaming.
17023         (mark_operand_necessary): Dump something.
17024         (ref_may_be_aliased): New function.
17025         (mark_aliased_reaching_defs_necessary_1): New helper function.
17026         (mark_aliased_reaching_defs_necessary): Likewise.
17027         (mark_all_reaching_defs_necessary_1): Likewise.
17028         (mark_all_reaching_defs_necessary): Likewise.
17029         (propagate_necessity): Do not process virtual PHIs.  For
17030         non-aliased loads mark all reaching definitions as necessary.
17031         For aliased loads and stores mark the immediate dominating
17032         aliased clobbers as necessary.
17033         (visited): New global static.
17034         (perform_tree_ssa_dce): Free visited bitmap after propagating
17035         necessity.
17036         (remove_dead_phis): Perform simple dead virtual PHI removal.
17037         (remove_dead_stmt): Properly unlink virtual operands when
17038         removing stores.
17039         (eliminate_unnecessary_stmts): Schedule PHI removal after
17040         stmt removal.
17041         * tree-ssa-ter.c (is_replaceable_p): Adjust.
17042         (process_replaceable): Likewise.
17043         (find_replaceable_in_bb): Likewise.
17044         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
17045         based on the single gimple vop.
17046         (verify_flow_insensitive_alias_info): Remove.
17047         (verify_flow_sensitive_alias_info): Likewise.
17048         (verify_call_clobbering): Likewise.
17049         (verify_memory_partitions): Likewise.
17050         (verify_alias_info): Likewise.
17051         (verify_ssa): Adjust..
17052         (execute_update_addresses_taken): Export.  Update SSA
17053         manually.  Optimize only when optimizing.  Use a local bitmap.
17054         (pass_update_address_taken): Remove TODO_update_ssa, add
17055         TODO_dump_func.
17056         (pass_update_address_taken): Just use TODO_update_address_taken.
17057         (init_tree_ssa): Do not initialize addressable_vars.
17058         (verify_ssa): Verify new VUSE / VDEF properties.
17059         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
17060         Do not call verify_alias_info.
17061         (delete_tree_ssa): Clear the VUSE, VDEF operands.
17062         Do not free the loaded and stored syms bitmaps.  Reset the escaped
17063         and callused solutions.  Do not free addressable_vars.
17064         Remove memory-tag related code.
17065         (warn_uninitialized_var): Aliases are always available.
17066         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
17067         * lambda-code.c (can_put_in_inner_loop): Adjust.
17068         (can_put_after_inner_loop): Likewise.
17069         (perfect_nestify): Likewise.
17070         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
17071         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
17072         (vectorizable_conversion): Do not mark symbols for renaming.
17073         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
17074         (expand_call_inline): Unlink the calls virtual operands before
17075         replacing it.
17076         (tree_function_versioning): Do not call update_ssa if we are not
17077         updating clones.  Simplify.
17078         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
17079         (propagate_with_phi): Likewise..
17080         * tree-outof-ssa.c (create_temp): Remove memory tag and call
17081         clobber code.  Assert we are not aliased or global.
17082         * tree-flow.h: Include tree-ssa-alias.h
17083         (enum escape_type): Remove.
17084         (struct mem_sym_stats_d): Likewise.
17085         (struct mem_ref_stats_d): Likewise.
17086         (struct gimple_df): Add vop member.  Remove global_var,
17087         call_clobbered_vars, call_used_vars, addressable_vars,
17088         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
17089         escaped and callused members.
17090         (struct ptr_info_def): Remove all members, add points-to solution
17091         member pt.
17092         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
17093         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
17094         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
17095         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
17096         (tree-ssa-alias.o): Likewise.
17097         (toplev.o): Add tree-ssa-alias.h
17098         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
17099         * gimple.c (gimple_set_bb): Fix off-by-one error.
17100         (is_gimple_reg): Do not handle memory tags.
17101         (gimple_copy): Also copy virtual operands.
17102         Delay updating the statement.  Do not reset loaded and stored syms.
17103         (gimple_set_stored_syms): Remove.
17104         (gimple_set_loaded_syms): Likewise.
17105         (gimple_call_copy_skip_args): Copy the virtual operands
17106         and mark the new statement modified.
17107         * tree-ssa-structalias.c (may_alias_p): Remove.
17108         (set_uids_in_ptset): Take the alias set to prune with as
17109         parameter.  Fold in the alias test of may_alias_p.
17110         (compute_points_to_sets): Compute whether a ptr is dereferenced
17111         in a local sbitmap.
17112         (process_constraint): Deal with &ANYTHING on the lhs, reject all
17113         other ADDRESSOF constraints on the lhs.
17114         (get_constraint_for_component_ref): Assert that we don't get
17115         ADDRESSOF constraints from the base of the reference.
17116         Properly generate UNKNOWN_OFFSET for DEREF if needed.
17117         (struct variable_info): Remove collapsed_to member.
17118         (get_varinfo_fc): Remove.
17119         (new_var_info): Do not set collapsed_to.
17120         (dump_constraint): Do not follow cycles.
17121         (dump_constraint_graph): Likewise.
17122         (build_pred_graph): Likewise.
17123         (build_succ_graph): Likewise.
17124         (rewrite_constraints): Likewise.
17125         (do_simple_structure_copy): Remove.
17126         (do_rhs_deref_structure_copy): Remove.
17127         (do_lhs_deref_structure_copy): Remove.
17128         (collapse_rest_of_var): Remove.
17129         (do_structure_copy): Re-implement.
17130         (pta_stats): New global variable.
17131         (dump_pta_stats): New function.
17132         (struct constraint_expr): Make offset signed.
17133         (UNKNOWN_OFFSET): Define special value.
17134         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
17135         (solution_set_expand): New helper function split out from ...
17136         (do_sd_constraint): ... here.
17137         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
17138         (do_ds_constraint): Likewise.
17139         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
17140         and CALLUSED = *CALLUSED.
17141         (set_union_with_increment): Make inc argument signed.
17142         (type_safe): Remove.
17143         (get_constraint_for_ptr_offset): Handle unknown and negative
17144         constant offsets.
17145         (first_vi_for_offset): Handle offsets before start.  Bail
17146         out early for offsets beyond the variable extent.
17147         (first_or_preceding_vi_for_offset): New function.
17148         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
17149         Together with ESCAPED = *ESCAPED this properly computes reachability.
17150         (find_what_var_points_to): New function.
17151         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
17152         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
17153         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
17154         pt_solutions_intersect): New functions.
17155         (compute_call_used_vars): Remove.
17156         (compute_may_aliases): New main entry into PTA computation.
17157         * gimple.h (gimple_p): New typedef.
17158         (struct gimple_statement_base): Remove references_memory_p.
17159         (struct gimple_statement_with_memory_ops_base): Remove
17160         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
17161         members.
17162         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
17163         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
17164         gimple_set_references_memory): Remove.
17165         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
17166         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
17167         New functions.
17168         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
17169         (verify_expr): Allow RESULT_DECL.
17170         (gimple_duplicate_bb): Do not copy virtual operands.
17171         (gimple_duplicate_sese_region): Adjust.
17172         (gimple_duplicate_sese_tail): Likewise.
17173         (mark_virtual_ops_in_region): Remove.
17174         (move_sese_region_to_fn): Do not call it.
17175         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
17176         and pass_simple_dse.
17177         (execute_function_todo): Handle TODO_update_address_taken,
17178         call execute_update_addresses_taken for TODO_rebuild_alias.
17179         (execute_todo): Adjust.
17180         (execute_one_pass): Init dump files early.
17181         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
17182         call-clobbered.
17183         (create_general_new_stmt): Clear vops.
17184         * tree-ssa-reassoc.c (get_rank): Adjust.
17185         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
17186         symbols for renaming.
17187         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
17188         (PARAM_AVG_ALIASED_VOPS): Likewise.
17189         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
17190         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
17191         * tree-ssa-operands.c: Simplify for new virtual operand representation.
17192         (operand_build_cmp, copy_virtual_operands,
17193         create_ssa_artificial_load_stmt, add_to_addressable_set,
17194         gimple_add_to_addresses_taken): Remove public functions.
17195         (unlink_stmt_vdef): New function.
17196
17197 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
17198
17199         * config.gcc (powerpc-*-linux*): Merge variants.
17200
17201 2009-04-02  Chao-ying Fu  <fu@mips.com>
17202             James Grosbach  <james.grosbach@microchip.com>
17203
17204         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
17205         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
17206         cop0_sp_offset.
17207         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
17208         keep_interrupts_masked_p, use_debug_exception_return_p.
17209         (mips_attribute_table): Add interrupt, use_shadow_register_set,
17210         keep_interrupts_masked, use_debug_exception_return.
17211         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
17212         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
17213         New functions.
17214         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
17215         (mips_print_operand): Process COP0 registers to print $0 .. $31
17216         correctly for GAS to process.
17217         (mips_interrupt_extra_call_saved_reg_p): New function.
17218         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
17219         extra registers.
17220         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
17221         (mips_compute_frame_info): Add supports for interrupt context that
17222         includes doubleword accumulators and COP0 registers.
17223         (mips_for_each_saved_acc): New function.
17224         (mips_for_each_saved_gpr_and_fpr): Change the function name from
17225         mips_for_each_saved_reg.
17226         (mips_save_reg): Save accumulators.
17227         (mips_kernel_reg_p): A new for_each_rtx callback.
17228         (mips_expand_prologue): Support interrupt handlers.
17229         (mips_restore_reg): Restore accumulators.
17230         (mips_expand_epilogue): Support interrupt handlers.
17231         (mips_can_use_return_insn): Return false for interrupt handlers.
17232         (mips_epilogue_uses): New function.
17233         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
17234         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
17235         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
17236         cop0_move): New instructions.
17237         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
17238         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
17239         defines.
17240         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
17241         New defines.
17242         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
17243         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
17244         interrupt handlers, we use K0 as the temporary register.
17245         (EPILOGUE_USES): Change to a function call.
17246         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
17247         handlers, we use K0 as the temporary register.
17248
17249         * doc/extend.texi (Function Attributes): Document interrupt,
17250         use_shadow_register_set, keep_interrupts_masked,
17251         use_debug_exception_return for MIPS attributes.
17252
17253 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
17254
17255         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
17256         Remove a number of t-files from tmake_file.
17257         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
17258         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
17259         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
17260         target_prototype, not TARGET_PROTOTYPE.
17261         (LINK_OS_GNU_SPEC): Define.
17262         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
17263         and darwin-ldoubdle.c.
17264
17265 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
17266
17267         PR driver/39293
17268         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
17269         (cpp_options): Ditto.
17270         (default_compilers): Ditto.
17271         (display_help): Ditto.
17272         (process_command): Ditto.
17273         (do_spec_1): Ditto.
17274         (set_input): Use lbasename instead of duplicate code.
17275         (save_temps_prefix): New static for -save-temps=obj.
17276         (save_temps_length): Ditto.
17277
17278         * doc/invoke.texi (-save-temps=obj): Document new variant to
17279         -save-temps switch.
17280
17281 2009-04-02  Jeff Law  <law@redhat.com>
17282
17283         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
17284         variable.
17285
17286 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
17287
17288         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
17289         * configure: Regenerated.
17290
17291 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
17292
17293         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
17294         share the argument list.
17295
17296 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
17297
17298         Merge
17299
17300         2009-02-12  Diego Novillo  <dnovillo@google.com>
17301
17302         * varpool.c (debug_varpool): New.
17303         * cgraph.h (debug_varpool): Declare.
17304
17305 2009-04-02  Jan Hubicka  <jh@suse.cz>
17306
17307         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
17308         pass.
17309
17310 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
17311
17312         * config/i386/i386.c (ix86_abi): Move initialization to ...
17313         (override_options): Here.
17314
17315 2009-04-02  Christian Bruel  <christian.bruel@st.com>
17316
17317         * config/sh/sh.c (sh_dwarf_register_span): New function.
17318         (TARGET_DWARF_REGISTER_SPAN): Define.
17319         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
17320
17321 2009-04-02  Ira Rosen  <irar@il.ibm.com>
17322
17323         PR tree-optimization/39595
17324         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
17325         interleaved loads group is not  greater than the SLP group size.
17326
17327 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
17328
17329         * builtins.c (is_builtin_name): New.
17330         (called_as_built_in): Use is_builtin_name.
17331         * tree.h (is_builtin_name): New.
17332         * varasm.c (incorporeal_function_p): Use is_builtin_name
17333
17334 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
17335
17336         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
17337
17338 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
17339
17340         PR c++/26693
17341         * c-decl.c (clone_underlying_type): Move this ...
17342         * c-common.c (set_underlying_type): ... here.
17343         Also, make sure the function properly sets TYPE_STUB_DECL() on
17344         the newly created typedef variant type.
17345         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
17346         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
17347         points.
17348
17349 2009-04-02  Richard Guenther  <rguenther@suse.de>
17350
17351         PR tree-optimization/37221
17352         * tree-flow.h (degenerate_phi_result): Declare.
17353         * tree-ssa-dom.c (degenerate_phi_result): Export.
17354         * tree-scalar-evolution.c (analyze_initial_condition): If
17355         the initial condition is defined by a degenerate PHI node
17356         use the degenerate value.
17357
17358 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
17359
17360         PR rtl-optimization/39588
17361         * combine.c (merge_outer_ops): Do not set the constant when this
17362         is not necessary.
17363         (simplify_shift_const_1): Do not modify it either in this case.
17364
17365 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
17366
17367         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
17368         tuning is deprecated if -mtune value is set to an Itanium1 variant.
17369
17370 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
17371
17372         PR c/29027
17373         * c-lex.c (interpret_float): Default (no suffix) is double.
17374
17375 2009-04-1  Xinliang David Li  <davidxl@google.com>
17376
17377         * config/i386/i386.c (legitimate_constant_p): Recognize
17378         all one vector constant.
17379
17380 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17381
17382         * config/vax/vax.c: Add #includes to silence warnings.
17383         Change #include order to silence two warnings.
17384
17385 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17386
17387         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
17388         (ASM_SPEC): Pass -k to the assembler for PIC code.
17389
17390 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17391
17392         * config.gcc: Add vax-*-linux* to the switch.
17393         * config/vax/linux.h: New file. (TARGET_VERSION,
17394         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
17395
17396 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17397
17398         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
17399         Use predicate macros instead of GET_CODE() == foo.
17400         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
17401         ashlsi3, rotrsi3, <unnamed>): Likewise.
17402
17403 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17404
17405         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
17406         jbbccihi, jbbccisi): Remova trailing whitespace.
17407         * config/vax/constraints.md: Likewise.
17408         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
17409         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
17410         * config/vax/predicates.md: Likewise.
17411         * config/vax/vax.c (print_operand_address, vax_output_int_move,
17412         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
17413         * config/vax/vax.h: Likewise.
17414         * config/vax/vax.md (nonlocal_goto): Likewise.
17415
17416 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17417
17418         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
17419         (indirectable_address_p, adjacent_operands_p): Add spaces around
17420         braces.
17421         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
17422
17423 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17424
17425         * config/vax/vax.c (legitimate_constant_address_p,
17426         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
17427         index_term_p, reg_plus_index_p, legitimate_address_p,
17428         vax_mode_dependent_address_p): Update comments to match functions
17429         modified by the recent int->bool conversion.
17430
17431 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17432
17433         * config/vax/builtins.md: Update copyright message.
17434         * config/vax/constraints.md: Likewise.
17435         * config/vax/netbsd-elf.h: Likewise.
17436         * config/vax/predicates.md: Likewise.
17437         * config/vax/vax-protos.h: Likewise.
17438         * config/vax/vax.c: Likewise.
17439         * config/vax/vax.h: Likewise.
17440         * config/vax/vax.md: Likewise.
17441         * config/vax/vax.opt: Likewise.
17442
17443 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17444
17445         * config/vax/builtins.md (ffssi2, ffssi2_internal,
17446         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
17447         * config/vax/constraints.md (B, R): Likewise.
17448         * config/vax/predicates.md (external_memory_operand,
17449         nonimmediate_addsub_di_operand): Likewise.
17450         * config/vax/vax.c (vax_output_int_add): Likewise.
17451         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
17452         untyped_call): Likewise.
17453
17454 2009-04-01  Matt Thomas  <matt@3am-software.com>
17455
17456         * config/vax/predicates.md: New file.
17457         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
17458         external_const_operand, nonsymbolic_operand, external_memory_operand,
17459         indirect_memory_operand, indexed_memory_operand,
17460         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
17461         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
17462         predicate.
17463         * config/vax/constraints.md: New file.
17464         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
17465         New constraint.
17466         * config/vax/builtins.md: New file.
17467         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
17468         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
17469         jbbccisi): Define.
17470         * config/vax/vax.opt (mqmath): Add option.
17471         * config/vax/vax.md (isfx): Extend with DI.
17472         (VAXintQH, VAXintQHSD): Define.
17473         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
17474         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
17475         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
17476         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
17477         (movdi): Update constraints and use vax_output_int_move().
17478         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
17479         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
17480         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
17481         nonlocal_goto): New.
17482         (mov<mode>): Extend accepted operand types.
17483         (subdi3_old): Rename from subdi3, change update constraints and use
17484         a new implementation.
17485         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
17486         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
17487         MOVE_RATIO, CLEAR_RATIO): Define.
17488         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
17489         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17490         (PRINT_OPERAND): Redefine using a function instead of inlined code.
17491         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
17492         (split_quadword_operands): Make static and really allow variable
17493         splitting.
17494         (print_operand_address): Update for PIC generation.
17495         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
17496         indexable_address_p, fixup_mathdi_operand,
17497         vax_expand_addsub_di_operands, adjacent_operands_p): New.
17498         (vax_float_literal, legitimate_constant_p,
17499         indirectable_constant_address_p, index_term_p,
17500         reg_plus_index_p): Return bool instead of int.
17501         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
17502         where needed.
17503         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
17504         generation.
17505         (vax_output_conditional_branch): Indent.
17506         (legitimate_constant_address_p, indirectable_constant_address_p,
17507         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
17508         vax_mode_dependent_address_p): Return bool instead of int, update for
17509         PIC generation.
17510         * config/vax/vax-protos.h (legitimate_constant_address_p,
17511         legitimate_constant_p, legitimate_address_p,
17512         vax_mode_dependent_address_p): Change declaration to bool.
17513         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
17514         vax_expand_addsub_di_operands, vax_output_int_subtract,
17515         vax_output_movmemsi): Declare.
17516         (split_quadword_operands, vax_float_literal): Delete declaration.
17517         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
17518         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
17519         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
17520         ASM_OUTPUT_DWARF_PCREL): Define.
17521         (ASM_SPEC): Change definition to allow PIC generation.
17522
17523 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
17524
17525         * doc/sourcebuild.texi: Update front-end requirements.
17526
17527 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
17528
17529         PR target/39226
17530         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
17531         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
17532         (booldi3_internal3): Use boolean_or_operator instead of
17533         boolean_operator.
17534
17535 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
17536
17537         PR c/39605
17538         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
17539         declarator whose size is not an integer constant expression but
17540         folds to an integer constant, then treat it as a constant
17541         subsequently.
17542
17543 2009-04-01  Richard Guenther  <rguenther@suse.de>
17544
17545         * fold-const.c (fold_plusminus_mult_expr): Do not fold
17546         i * 4 + 2 to (i * 2 + 1) * 2.
17547
17548 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
17549
17550         PR c/37772
17551         * c-parser.c (c_parser_asm_statement): Skip until close paren and
17552         return if c_parser_asm_string_literal returned NULL.
17553
17554 2009-04-01  Nick Clifton  <nickc@redhat.com>
17555
17556         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
17557         already defined.
17558         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
17559         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
17560         other typedefs to avoid conflicts with libgcc2.c.  Define labels
17561         to gain 16-bit bit-manipulation functions from libgcc2.c and then
17562         include it.
17563         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
17564         to gain 16-bit trapping arithmetic functions from libgcc2.c and
17565         then include it.
17566
17567 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
17568
17569         * varasm.c (default_function_rodata_section): Declare DOT as
17570         const char*.
17571
17572 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
17573             Andrey Galkin  <agalkin@hypercom.com>
17574
17575         PR/39492
17576         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
17577         Make object_name unique for each process.
17578
17579 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
17580
17581         PR other/39591
17582         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
17583         addressable variables in the parallel that could go out of scope while
17584         running queued tasks.
17585
17586 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
17587
17588         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
17589         (CASE_VALUES_THRESHOLD): Redefine.
17590         * config/avr/avr.c (avr_override_options): Remove initialization of
17591         avr_case_values_threshold variable.
17592         (avr_case_values_threshold): Remove variable. Add new function.
17593         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
17594         * config/avr/avr.opt (mno-tablejump): Remove option.
17595         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
17596
17597 2009-04-01  DJ Delorie  <dj@redhat.com>
17598
17599         * varasm.c (default_function_rodata_section): Don't assume
17600         anything about where the first '.' in the section name is.
17601
17602 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
17603
17604         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
17605         rs6000_emit_stack_tie.
17606
17607 2009-03-31  Ian Lance Taylor  <iant@google.com>
17608
17609         * tree-eh.c (tree_remove_unreachable_handlers): Compare
17610         gimple_code with GIMPLE_RESX, not RESX.
17611
17612 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
17613
17614         * c-common.c (c_get_ident): New.
17615         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
17616
17617 2009-04-01  Ben Elliston  <bje@au.ibm.com>
17618
17619         * config/rs6000/sysv4.opt (msdata): Improve option description.
17620
17621 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
17622
17623         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
17624         (divdf3_internal_lat): Remove.
17625         (divxf3_internal_lat): Remove.
17626         (divxf3_internal_thr): Remove.
17627         (divxf): Use divxf3_internal.
17628         * config/ia64/div.md (divsf3_internal_lat): New.
17629         (divdf3_internal_lat): New.
17630         (divxf3_internal): New.
17631
17632 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
17633
17634         PR c/448
17635         * Makefile.in (USE_GCC_STDINT): Define.
17636         (stmp-int-hdrs): Install stdint.h if applicable.
17637         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
17638         if known.
17639         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
17640         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
17641         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
17642         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
17643         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
17644         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
17645         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
17646         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
17647         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
17648         (c_common_nodes_and_builtins): Initialize
17649         underlying_wchar_type_node.  Do not initialize
17650         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
17651         nodes for new types.
17652         (c_stddef_cpp_builtins): Define macros for new types.
17653         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
17654         Remove.
17655         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
17656         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
17657         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
17658         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
17659         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
17660         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
17661         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
17662         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
17663         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
17664         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
17665         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
17666         int16_type_node, int32_type_node, int64_type_node,
17667         uint8_type_node, uint16_type_node, c_uint32_type_node,
17668         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
17669         int_least32_type_node, int_least64_type_node,
17670         uint_least8_type_node, uint_least16_type_node,
17671         uint_least32_type_node, uint_least64_type_node,
17672         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
17673         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
17674         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
17675         uintptr_type_node): Define.
17676         * c-cppbuiltin.c (builtin_define_constants,
17677         builtin_define_type_minmax): New.
17678         (builtin_define_stdint_macros): Define more macros.
17679         (c_cpp_builtins): Define more limit macros.
17680         (type_suffix): New.
17681         (builtin_define_type_max): Define in terms of
17682         builtin_define_type_minmax.  Remove is_long parameter.  All
17683         callers changed.
17684         * config.gcc (use_gcc_stdint): Define.
17685         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
17686         Add newlib-stdint.h for generic targets.
17687         * config/glibc-stdint.h, config/newlib-stdint.h,
17688         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
17689         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
17690         * config/score/score.h (UINTPTR_TYPE): Define.
17691         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
17692         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
17693         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
17694         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
17695         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
17696         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
17697         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
17698         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
17699         * config/spu/spu.h (STDINT_LONG32): Define.
17700         * configure.ac (use_gcc_stdint): Substitute.
17701         * configure: Regenerate.
17702         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
17703         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
17704         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
17705         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
17706         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
17707         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
17708         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
17709         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
17710         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
17711         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
17712         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
17713         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
17714         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
17715         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
17716         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
17717         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
17718         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
17719         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
17720         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
17721         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
17722         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
17723         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
17724         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
17725         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
17726         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
17727         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
17728         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
17729         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
17730         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
17731
17732 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
17733
17734         * loop-iv.c (suitable_set_for_replacement): Renamed from
17735         simplify_using_assignment; changed to return bool and to accept new
17736         args DEST and SRC.  Return true iff we find a source/destination pair
17737         that can be used to make a replacement, and fill SRC and DEST if so.
17738         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
17739         changed.
17740         (simplify_using_initial_values): Deal with altered regs here and track
17741         more precisely the effect they have on the validity of our expression.
17742
17743         * loop-iv.c (simplify_using_condition): A condition of the form
17744         (EQ REG CONST) can be used to simply make a substitution.
17745         (simplify_using_initial_values): Keep track of conditions we have seen
17746         and keep using them to simplify new expressions, while applying the
17747         same substitutions to them as to the expression.
17748
17749         * simplify-rtx.c (simplify_relational_operation_1): Simplify
17750         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
17751         GEU/LTU reversed.
17752
17753         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
17754         changed.  Use this when trying to improve the upper bound.
17755         Generate the comparison by using simplify_gen_relational.
17756
17757         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
17758
17759         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
17760         functions.
17761         (simplify_using_assignment, simplify_using_initial_values): Call
17762         replace_in_expr to make replacements.  Call replace_single_def_regs
17763         once on the initial version of the expression.
17764
17765 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17766
17767         PR target/27237
17768         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
17769
17770 2009-03-31  Richard Guenther  <rguenther@suse.de>
17771
17772         PR middle-end/31029
17773         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
17774         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
17775
17776 2009-03-31  Richard Guenther  <rguenther@suse.de>
17777
17778         * tree.h (div_if_zero_remainder): Declare.
17779         * fold-const.c (div_if_zero_remainder): Export.
17780         * tree-ssa-forwprop.c
17781         (forward_propagate_addr_into_variable_array_index): Handle
17782         constant array index addition outside of the variable index.
17783
17784 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
17785
17786         PR target/39592
17787         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
17788         define_splits, floatunssi<mode>2): Require x87 conversions from
17789         DImode to be permitted.
17790
17791 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
17792
17793         PR preprocessor/15638
17794         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
17795
17796 2009-03-31  Richard Guenther  <rguenther@suse.de>
17797
17798         PR middle-end/23401
17799         PR middle-end/27810
17800         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
17801         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
17802         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
17803         a separate statement.
17804         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
17805         (lookup_tmp_var): Likewise.
17806         (is_gimple_formal_tmp_or_call_rhs): Remove.
17807         (is_gimple_reg_or_call_rhs): Rename to ...
17808         (is_gimple_reg_rhs_or_call): ... this.
17809         (is_gimple_mem_or_call_rhs): Rename to ...
17810         (is_gimple_mem_rhs_or_call): ... this.
17811         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
17812         DECL_GIMPLE_REG_P only if is_formal is true.
17813         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
17814         for non-proper post-modify expression gimplification.
17815         (gimplify_self_mod_expr): For post-modify expressions gimplify
17816         the lvalue to a minimal lvalue.
17817         (rhs_predicate_for): Remove formal temp case.
17818         (gimplify_modify_expr_rhs): Likewise.
17819         (gimplify_addr_expr): Use is_gimple_reg.
17820         (gimplify_expr): Remove formal temp cases.
17821         (gimple_regimplify_operands): Likewise.
17822         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
17823         and FILTER_EXPR like constants.
17824         * gimple.c (walk_gimple_op): Fix val_only initialization, use
17825         is_gimple_reg.
17826         (is_gimple_formal_tmp_rhs): Remove.
17827         (is_gimple_reg_rhs): Remove special casing.
17828         (is_gimple_mem_rhs): Fix.
17829         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
17830         (is_gimple_formal_tmp_var): Remove.
17831         (is_gimple_formal_tmp_reg): Likewise.
17832         (is_gimple_min_lval): Allow invariant component ref parts.
17833         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
17834         is_gimple_formal_tmp_reg): Remove declarations.
17835         * tree-cfg.c (verify_expr): Verify that variables with address
17836         taken do not have DECL_GIMPLE_REG_P set.
17837         * tree-mudflap.c (mf_build_check_statement_for): Use
17838         force_gimple_operand instead of gimplify_expr.
17839
17840 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
17841
17842         * modulo-sched.c (sms_schedule_by_order): Pass the actual
17843         schedulable rows to compute_split_row.
17844
17845 2009-03-31  Ben Elliston  <bje@au.ibm.com>
17846
17847         PR target/31635
17848         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
17849         OPT_mvrsave.
17850
17851 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
17852
17853         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
17854         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
17855         * configure: Regenerate.
17856         * config.in: Regenerate.
17857         * config/rs6000/rs6000.opt (mtls-markers): Add.
17858         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
17859         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
17860         (tls_ld_aix, tls_ld_sysv): Likewise.
17861         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
17862         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
17863
17864 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
17865
17866         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
17867
17868 2009-03-30  Jan Hubicka  <jh@suse.cz>
17869
17870         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
17871         out of RESX.
17872         (tree_remove_unreachable_handlers): Cleanup EH predecestor
17873         detection and label handling.
17874
17875 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
17876
17877         * ira-int.h (ira_allocno): Rename left_conflicts_num to
17878         left_conflicts_size.
17879         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
17880         ALLOCNO_LEFT_CONFLICTS_SIZE.
17881
17882         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
17883         remove_allocno_from_bucket_and_push,
17884         allocno_spill_priority_compare, push_allocnos_to_stack,
17885         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
17886         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
17887         (setup_allocno_left_conflicts_num): Ditto.  Rename to
17888         setup_allocno_left_conflicts_size.
17889         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
17890         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
17891         setup_allocno_left_conflicts_size instead of
17892         setup_allocno_left_conflicts_num.
17893
17894         * ira-build.c (ira_create_allocno): Use
17895         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
17896         ALLOCNO_LEFT_CONFLICTS_NUM.
17897
17898 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
17899
17900         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
17901         instead of DF_LR_OUT.
17902
17903         * ira-lives.c (process_bb_node_lives): Ditto.
17904
17905         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
17906         instead of DF_LR_{OUT,IN}.
17907
17908         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
17909
17910         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
17911
17912 2009-03-30  Jan Hubicka  <jh@suse.cz>
17913
17914         * except.c (label_to_region_map): Fix thinko.
17915
17916 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
17917
17918         PR middle-end/38237
17919         * tree.h (tree_find_value): New declaration.
17920         * tree.c (tree_find_value): New function.
17921         * varasm.c (assemble_external): Avoid duplicate entries on lists.
17922
17923 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
17924
17925         PR debug/39563
17926         * c-decl.c (struct c_binding): Add locus field.
17927         (bind): Add locus argument, set locus field from it.
17928         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
17929         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
17930         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
17931         implicitly_declare, undeclared_variable, lookup_label,
17932         declare_label, c_make_fname_decl, c_builtin_function,
17933         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
17934         bind callers.
17935
17936 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
17937
17938         PR target/38781
17939         * config/i386/i386.c (classify_argument): Check total size of
17940         structure.
17941
17942 2009-03-30  Martin Jambor  <mjambor@suse.cz>
17943
17944         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
17945         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
17946         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
17947         respectively.
17948
17949         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
17950         seen_variable_array_ref while also traversing a union.
17951
17952         * tree-inline.c (optimize_inline_calls): Do not call
17953         cgraph_node_remove_callees.
17954         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
17955         (pass_remove_cgraph_callee_edges): New variable.
17956         * passes.c (init_optimization_passes): Add
17957         pass_remove_cgraph_callee_edges after early inlining and before all
17958         late intraprocedural passes.
17959
17960         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
17961
17962 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
17963
17964         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
17965         Fix typos in names.
17966
17967 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
17968
17969         * combine.c (simplify_comparison): Use have_insn_for.
17970         * dojump.c (do_jump): Likewise.
17971
17972 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
17973
17974         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
17975         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
17976         sparc_compare_op0 like sparc_compare_emitted used to be handled.
17977         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
17978         instead of sparc_compare_emitted.
17979         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
17980         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
17981         instead of sparc_compare_emitted.
17982
17983 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
17984
17985         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
17986         enter/exit cfglayout mode.
17987         (pass_partition_block): Require it.
17988         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
17989         (combine_instructions): Track basic blocks instead of labels.
17990         (update_cfg_for_uncondjump): New.
17991         (try_combine): Use it.  Update jumps after rescanning.
17992         (pass_combine): Require PROP_cfglayout.
17993         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
17994
17995 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
17996
17997         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
17998         Provide/destroy PROP_cfglayout respectively.
17999         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
18000         * tree-pass.h (PROP_cfglayout): New.
18001
18002 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18003
18004         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
18005         fold_convert_const_fixed_from_fixed,
18006         fold_convert_const_fixed_from_int,
18007         fold_convert_const_fixed_from_real, fold_negate_const): Do not
18008         set TREE_CONSTANT_OVERFLOW.
18009         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
18010         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
18011
18012 2009-03-30  Ira Rosen  <irar@il.ibm.com>
18013
18014         * tree-vect-loop-manip.c: New file.
18015         * tree-vectorizer.c: Update documentation and included files.
18016         (vect_loop_location): Make extern.
18017         (rename_use_op): Move to tree-vect-loop-manip.c
18018         (rename_variables_in_bb, rename_variables_in_loop,
18019         slpeel_update_phis_for_duplicate_loop,
18020         slpeel_update_phi_nodes_for_guard1,
18021         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
18022         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
18023         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
18024         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
18025         find_loop_location): Likewise.
18026         (new_stmt_vec_info): Move to tree-vect-stmts.c.
18027         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
18028         get_vectype_for_scalar_type, vect_is_simple_use,
18029         supportable_widening_operation, supportable_narrowing_operation):
18030         Likewise.
18031         (bb_in_loop_p): Move to tree-vect-loop.c.
18032         (new_loop_vec_info, destroy_loop_vec_info,
18033         reduction_code_for_scalar_code, report_vect_op,
18034         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
18035         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
18036         (vect_supportable_dr_alignment): Likewise.
18037         * tree-vectorizer.h (tree-data-ref.h): Include.
18038         (vect_loop_location): Declare.
18039         Reorganize function declarations according to the new file structure.
18040         * tree-vect-loop.c: New file.
18041         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
18042         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
18043         * tree-vect-data-refs.c: New file.
18044         * tree-vect-patterns.c (timevar.h): Don't include.
18045         * tree-vect-stmts.c: New file.
18046         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
18047         tree-vect-slp.c, tree-vect-loop.c.
18048         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
18049         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
18050         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
18051         (tree-vect-analyze.o): Remove.
18052         (tree-vect-transform.o): Likewise.
18053         (tree-vect-data-refs.o): Add rule.
18054         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
18055         tree-vect-slp.o): Likewise.
18056         (tree-vect-patterns.o): Remove redundant dependencies.
18057         (tree-vectorizer.o): Likewise.
18058         * tree-vect-slp.c: New file.
18059
18060 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18061
18062         * optc-gen.awk: Warn if an option flag has multiple different
18063         help strings.
18064
18065 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
18066
18067         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
18068         -floop-block): Document dependences on PPL, CLooG and Graphite.
18069
18070 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
18071
18072         PR rtl-optimization/323
18073         * c-common.c (c_fully_fold, convert_and_check,
18074         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
18075         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
18076         * c-common.def (EXCESS_PRECISION_EXPR): New.
18077         * c-cppbuiltin.c (builtin_define_float_constants): Define
18078         constants with enough digits for long double.
18079         * c-lex.c (interpret_float): Interpret constant with excess
18080         precision where appropriate.
18081         * c-opts.c (c_common_post_options): Set
18082         flag_excess_precision_cmdline.  Give an error for
18083         -fexcess-precision=standard for C++ for processors where the
18084         option is significant.
18085         * c-parser.c (c_parser_conditional_expression): Handle excess
18086         precision in condition.
18087         * c-typeck.c (convert_arguments): Handle arguments with excess
18088         precision.
18089         (build_unary_op): Move excess precision outside operation.
18090         (build_conditional_expr): Likewise.
18091         (build_compound_expr): Likewise.
18092         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
18093         (build_modify_expr): Handle excess precision in RHS.
18094         (convert_for_assignment): Handle excess precision in converted
18095         value.
18096         (digest_init, output_init_element, process_init_element): Handle
18097         excess precision in initializer.
18098         (c_finish_return): Handle excess precision in return value.
18099         (build_binary_op): Handle excess precision in operands and add
18100         excess precision as needed for operation.
18101         * common.opt (-fexcess-precision=): New option.
18102         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
18103         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
18104         For standard excess precision, output explicit conversion to and
18105         truncation from XFmode.
18106         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
18107         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
18108         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
18109         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
18110         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
18111         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
18112         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
18113         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
18114         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
18115         define_splits, sqrt<mode>2): Disable where appropriate for
18116         standard excess precision.
18117         * convert.c (convert_to_real): Do not shorten arithmetic to type
18118         for which excess precision would be used.
18119         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
18120         * doc/invoke.texi (-fexcess-precision=): Document option.
18121         (-mfpmath=): Correct index entry.
18122         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
18123         flag_excess_precision): New.
18124         * langhooks.c (lhd_post_options): Set
18125         flag_excess_precision_cmdline.
18126         * opts.c (common_handle_option): Handle -fexcess-precision=.
18127         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
18128         init_excess_precision): New.
18129         (lang_dependent_init_target): Call init_excess_precision.
18130         * tree.c (excess_precision_type): New.
18131         * tree.h (excess_precision_type): Declare.
18132
18133 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
18134
18135         PR c/35235
18136         * c-typeck.c (build_component_ref): Do not copy qualifiers from
18137         non-lvalue to component.
18138
18139 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
18140
18141         PR preprocessor/34695
18142         * Makefile.in (c-opts.o): Depend on c-tree.h.
18143         * c-common.c: Move down include of diagnostic.h.
18144         (done_lexing, c_cpp_error): New.
18145         * c-common.h (done_lexing): Declare.
18146         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
18147         (parse_in).
18148         * c-opts.c: Include c-tree.h.
18149         (c_common_init_options): Set preprocessor error callback.
18150         (c_common_handle_option): Do not set preprocessor
18151         inhibit_warnings, warnings_are_errors, warn_system_headers,
18152         pedantic_errors or inhibit_warnings flags.
18153         (c_common_post_options): Do not check cpp_errors (parse_in).
18154         (c_common_finish): Do not output dependencies if there were
18155         errors.  Do not check return value of cpp_finish.
18156         * c-ppoutput.c (pp_file_change): Set input_location.
18157         * c-tree.h (c_cpp_error): Declare.
18158         * diagnostic.c (diagnostic_set_info_translated): Also initialize
18159         override_column.
18160         (diagnostic_build_prefix): Check override_column.
18161         * diagnostic.h (diagnostic_info): Add override_column field.
18162         (diagnostic_override_column): Define.
18163
18164 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
18165
18166         * c-common.c (c_expand_expr, c_staticp): Remove.
18167         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
18168         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
18169         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
18170         * c-gimplify.c (gimplify_compound_literal_expr,
18171         optimize_compound_literals_in_ctor): Remove.
18172         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
18173         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
18174         * c-semantics.c (emit_local_var): Remove.
18175
18176         * langhooks-def.h (lhd_expand_expr): Remove.
18177         * langhooks.c (lhd_expand_expr): Remove.
18178         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
18179
18180         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
18181         handling from c-semantics.c; don't call into langhook.
18182         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
18183         * gimplify.c (gimplify_compound_literal_expr,
18184         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
18185         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
18186         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
18187         as was done in c-gimplify.c.
18188         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
18189         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
18190         Move from c-common.h.
18191         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
18192
18193         * tree.c (staticp): Do not call langhook.
18194         * langhooks.c (lhd_staticp): Delete.
18195         * langhooks-def.h (lhd_staticp): Delete prototype.
18196         (LANG_HOOKS_STATICP): Delete.
18197         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
18198
18199         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
18200         instead of DECL_STMTs.
18201
18202 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
18203
18204         PR c/456
18205         PR c/5675
18206         PR c/19976
18207         PR c/29116
18208         PR c/31871
18209         PR c/35198
18210         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
18211         void_type_node.
18212         (fold_call_expr): Return a NOP_EXPR from folding rather than the
18213         contained expression.
18214         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
18215         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
18216         conditional expressions for C.
18217         (decl_constant_value_for_optimization): Move from
18218         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
18219         whether optimizing and that the expression is a VAR_DECL not of
18220         array type instead of doing such checks in the caller.  Do not
18221         check pedantic.  Call gcc_unreachable for C++.
18222         * c-common.def (C_MAYBE_CONST_EXPR): New.
18223         * c-common.h (c_fully_fold, c_save_expr,
18224         decl_constant_value_for_optimization): New prototypes.
18225         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
18226         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
18227         EXPR_INT_CONST_OPERANDS): Define.
18228         * c-convert.c (convert): Strip nops from expression.
18229         * c-decl.c (groktypename): Take extra parameters expr and
18230         expr_const_operands.  Update call to grokdeclarator.
18231         (start_decl): Update call to grokdeclarator.  Add statement for
18232         expressions used in type of decl.
18233         (grokparm): Update call to grokdeclarator.
18234         (push_parm_decl): Update call to grokdeclarator.
18235         (build_compound_literal): Add parameter non_const and build a
18236         C_MAYBE_COSNT_EXPR if applicable.
18237         (grokdeclarator): Take extra parameters expr and
18238         expr_const_operands.  Track expressions used in declaration
18239         specifiers and declarators.  Fold array sizes and track whether
18240         they are constant expressions and whether they are integer
18241         constant expressions.
18242         (parser_xref_tag): Set expr and expr_const_operands fields in
18243         return value.
18244         (grokfield): Update call to grokdeclarator.
18245         (start_function): Update call to grokdeclarator.
18246         (build_null_declspecs): Set expr and expr_const_operands fields in
18247         return value.
18248         (declspecs_add_type): Handle expressions in typeof specifiers.
18249         * c-parser.c (c_parser_declspecs): Set expr and
18250         expr_const_operands fields for declaration specifiers.
18251         (c_parser_enum_specifier): Likewise.
18252         (c_parser_struct_or_union_specifier): Likewise.
18253         (c_parser_typeof_specifier): Likewise.  Update call to
18254         groktypename.  Fold expression as needed.  Return expressions with
18255         type instead of adding statements.
18256         (c_parser_attributes): Update calls to c_parser_expr_list.
18257         (c_parser_statement_after_labels): Fold expression before passing
18258         to objc_build_throw_stmt.
18259         (c_parser_condition): Fold expression.
18260         (c_parser_asm_operands): Fold expression.
18261         (c_parser_conditional_expression): Use c_save_expr.  Update call
18262         to build_conditional_expr.
18263         (c_parser_alignof_expression): Update call to groktypename.
18264         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
18265         original_code.  Fold expression argument of va_arg.  Create
18266         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
18267         argument to va_arg.  Update calls to groktypename.  Fold array
18268         index for offsetof.  Verify that first argument to
18269         __builtin_choose_expr has integer type.
18270         (c_parser_postfix_expression_after_paren_type): Update calls to
18271         groktypename and build_compound_literal.  Handle expressions with
18272         side effects in type name.
18273         (c_parser_postfix_expression_after_primary): Update call to
18274         c_parser_expr_list.  Set original_code for calls to
18275         __builtin_constant_p.
18276         (c_parser_expr_list): Take extra parameter fold_p.  Fold
18277         expressions if requested.
18278         (c_parser_objc_type_name): Update call to groktypename.
18279         (c_parser_objc_synchronized_statement): Fold expression.
18280         (c_parser_objc_receiver): Fold expression.
18281         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
18282         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
18283         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
18284         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
18285         (struct c_typespec): Add elements expr and expr_const_operands.
18286         (struct c_declspecs): Add elements expr and expr_const_operands.
18287         (groktypename, build_conditional_expr, build_compound_literal):
18288         Update prototypes.
18289         (in_late_binary_op): Declare.
18290         * c-typeck.c (note_integer_operands): New function.
18291         (in_late_binary_op): New variable.
18292         (decl_constant_value_for_broken_optimization): Move to c-common.c
18293         and rename to decl_constant_value_for_optimization.
18294         (default_function_array_conversion): Do not strip nops.
18295         (default_conversion): Do not call
18296         decl_constant_value_for_broken_optimization.
18297         (build_array_ref): Do not fold result.
18298         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
18299         result when operand is a VLA.
18300         (c_expr_sizeof_type): Update call to groktypename.  Handle
18301         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
18302         result when operand names a VLA type.
18303         (build_function_call): Update call to build_compound_literal.
18304         Only fold result for calls to __builtin_* functions.  Strip
18305         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
18306         the function designator.
18307         (convert_arguments): Fold arguments.  Update call to
18308         convert_for_assignment.
18309         (build_unary_op): Handle increment and decrement of
18310         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
18311         decrement earlier.  Fold operand of increment and decrement.
18312         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
18313         built for integer operand.  Wrap returns that are INTEGER_CSTs
18314         without being integer constant expressions or that have integer
18315         constant operands without being INTEGER_CSTs.
18316         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
18317         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
18318         result is an integer constant expression or can be used in
18319         unevaluated parts of one and avoid folding and wrap as
18320         appropriate.  Fold operands before possibly doing -Wsign-compare
18321         warnings.
18322         (build_compound_expr): Wrap result for C99 if operands can be used
18323         in integer constant expressions.
18324         (build_c_cast): Update call to digest_init.  Do not ignore
18325         overflow from casting floating-point constants to integers.  Wrap
18326         results that could be confused with integer constant expressions,
18327         null pointer constants or floating-point constants.
18328         (c_cast_expr): Update call to groktypename.  Handle expressions
18329         included in type name.
18330         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
18331         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
18332         Update calls to convert_for_assignment.
18333         (convert_for_assignment): Take new parameter
18334         null_pointer_constant.  Do not strip nops or call
18335         decl_constant_value_for_broken_optimization.  Set
18336         in_late_binary_op for conversions to boolean.
18337         (store_init_value): Update call to digest_init.
18338         (digest_init): Take new parameter null_pointer_constant.  Do not
18339         call decl_constant_value_for_broken_optimization.  pedwarn for
18340         initializers not constant expressions.  Update calls to
18341         convert_for_assignment.
18342         (constructor_nonconst): New.
18343         (struct constructor_stack): Add nonconst element.
18344         (really_start_incremental_init, push_init_level, pop_init_level):
18345         Handle constructor_nonconst and nonconst element.
18346         (set_init_index): Call constant_expression_warning for array
18347         designators.
18348         (output_init_element): Fold value.  Set constructor_nonconst as
18349         applicable.  pedwarn for initializers not constant expressions.
18350         Update call to digest_init.  Call constant_expression_warning
18351         where constant initializers are required.
18352         (process_init_element): Use c_save_expr.
18353         (c_finish_goto_ptr): Fold expression.
18354         (c_finish_return): Fold return value.  Update call to
18355         convert_for_assignment.
18356         (c_start_case): Fold switch expression.
18357         (c_process_expr_stmt): Fold expression.
18358         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
18359         ensure statement expression is not evaluated in constant expression.
18360         (build_binary_op): Track whether results are integer constant
18361         expressions or may occur in such, disable folding and wrap results
18362         as applicable.  Fold operands for -Wsign-compare warnings unless
18363         in_late_binary_op.
18364         (c_objc_common_truthvalue_conversion): Handle results folded to
18365         integer constants that are not integer constant expressions.
18366         * doc/extend.texi: Document when typeof operands are evaluated,
18367         that condition of __builtin_choose_expr is an integer constant
18368         expression, and more about use of __builtin_constant_p in
18369         initializers.
18370
18371 2009-03-29  Richard Guenther  <rguenther@suse.de>
18372
18373         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
18374         propagate addresses of array references.
18375
18376 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
18377
18378         * regmove.c (perhaps_ends_bb_p): Remove.
18379         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
18380         from INSN and check that the main loop stays within that basic block.
18381         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
18382         (regmove_forward_pass): Split out from regmove_optimize.  Use
18383         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
18384         (regmove_backward_pass): Split out from regmove_optimize.  Use
18385         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
18386         (regmove_optimize): Simplify.
18387
18388 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
18389
18390         PR target/39545
18391         * config/i386/i386.c (classify_argument): Ignore flexible array
18392         member in struct and warn ABI change.
18393
18394 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
18395
18396         * config/i386/i386-protos.h (ix86_agi_dependent): New.
18397
18398         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
18399         (ix86_adjust_cost): Updated.
18400
18401 2009-03-29  Jan Hubicka  <jh@suse.cz>
18402
18403         PR middle-end/28850
18404         * tree-pass.h (pass_cleanup_eh): New function.
18405         (remove_unreachable_regions): Break code handling RTL
18406         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
18407         that can not be reached by runtime.
18408         (can_be_reached_by_runtime): New function.
18409         (label_to_region_map): New function.
18410         (num_eh_regions): New function.
18411         (rtl_remove_unreachable_regions): New function.
18412         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
18413         (remove_eh_region): New function.
18414         * except.h: Include sbitmap and vecprim.
18415         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
18416         num_eh_regions): Declare.
18417         * passes.c (init_optimization_passes): Schedule cleanup_eh.
18418         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
18419         * tree-eh.c (tree_remove_unreachable_handlers): New function.
18420         (tree_empty_eh_handler_p): New function.
18421         (cleanup_empty_eh): New function.
18422         (cleanup_eh): New function.
18423         (pass_cleanup_eh): New function.
18424
18425 2009-03-29  Jan Hubicka  <jh@suse.cz>
18426
18427         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
18428         for removed regions.
18429
18430 2009-03-29  Jan Hubicka  <jh@suse.cz>
18431
18432         * except.c (dump_eh_tree): Dump all datastructures.
18433
18434 2009-03-29  Jan Hubicka  <jh@suse.cz>
18435
18436         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
18437         (duplicate_eh_regions_1): Likewise.
18438         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
18439         vector; call EH verification.
18440         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
18441         Be ready for region being removed.
18442
18443 2009-03-29  Jan Hubicka  <jh@suse.cz>
18444
18445         * bitmap.c (bitmap_last_set_bit): New function.
18446         * bitmap.h (bitmap_last_set_bit): Declare.
18447
18448 2009-03-29  David Ayers  <ayers@fsfe.org>
18449
18450         PR objc/27377
18451         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
18452         by calling objc_compare_types and surpress warnings about
18453         incompatible C pointers that are compatible ObjC pointers.
18454
18455 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
18456
18457         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
18458         call initialize_inline_failed.
18459         (initialize_inline_failed): Move it from here ...
18460         * cgraph.c (initialize_inline_failed): ... to here.
18461         (cgraph_create_edge): Call initialize_inline_failed rather than
18462         setting inline_failed directly.
18463
18464 2009-03-29  Ben Elliston  <bje@au.ibm.com>
18465
18466         PR target/32542
18467         * sysv4.opt (msdata): Improve comment.
18468         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
18469         * sysv4.h (SVR4_ASM_SPEC): Likewise.
18470
18471 2009-03-29  Ben Elliston  <bje@au.ibm.com>
18472
18473         PR target/30451
18474         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
18475         load and store attributes.
18476
18477 2009-03-29  Ben Elliston  <bje@au.ibm.com>
18478
18479         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
18480         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
18481         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
18482         * doc/extend.texi (X86 Built-in Functions): Add index entries for
18483         __builtin_infq and __builtin_huge_valq.
18484
18485 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
18486
18487         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
18488         atmega8m1 devices.
18489         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
18490         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
18491
18492 2009-03-28  Xinliang David Li  <davidxl@google.com>
18493
18494         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
18495         (do_dbg_cnt): New function.
18496
18497 2009-03-28  Jan Hubicka  <jh@suse.cz>
18498
18499         Merge from pretty-ipa:
18500
18501         2009-03-27  Jan Hubicka  <jh@suse.cz>
18502
18503         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
18504         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
18505         * passes.c (function_called_by_processed_nodes_p): New.
18506         * ipa-pure-const.c (check_call): Fix handling of operands.
18507         (analyze_function): Dump debug output for skipped bodies.
18508         (local_pure_const): Use function_called_by_processed_nodes_p.
18509         * dwarf2out.c (reference_to_unused): Use output.
18510         * passes.c (do_per_function_toporder): Likewise.
18511
18512         2008-11-12  Jan Hubicka  <jh@suse.cz>
18513
18514         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
18515         * ipa-pure-const.c (funct_state_d): Add can throw field; make
18516         state_set_in_source enum
18517         (check_decl): Ignore memory tags; do not set fake looping flags;
18518         dump diagnostics.
18519         (check_operand, check_tree, check_rhs_var, check_lhs_var,
18520         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
18521         (check_call, analyze_function): Rewrite.
18522         (check_stmt): New.
18523         (add_new_function): Update call of analyze_function.
18524         (generate_summary): Add call of analyze_function.
18525         (propagate): Propagate can_throw; handle state_set_in_source correctly.
18526         (local_pure_const): New function.
18527         (pass_local_pure_const): New pass.
18528         * ipa-inline.c (inline_transform): Set after_inlining.
18529         * tree-eh.c (stmt_can_throw_external): New.
18530         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
18531         work with aliasing built.
18532         * tree-flow.h (stmt_can_throw_external): New.
18533         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
18534         and local pure/const pass in early and late optimization queue.
18535
18536 2009-03-28  Martin Jambor  <mjambor@suse.cz>
18537
18538         * fold-const.c (get_pointer_modulus_and_residue): New parameter
18539         allow_func_align.
18540         (fold_binary): Allow function decl aligment consideration is the
18541         second argument is integer constant one.
18542         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
18543         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
18544         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
18545
18546 2009-03-28  Jan Hubicka  <jh@suse.cz>
18547
18548         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
18549         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
18550         * function.h (rtl_data): Add nothrow flag.
18551         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
18552         set DECL_NOTHROW for AVAILABLE functions.
18553
18554 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
18555
18556         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
18557         following vector keyword has expansion starting with pixel or bool
18558         keyword, expand vector to __vector and pixel or bool to __pixel or
18559         __bool.
18560
18561         PR c++/39554
18562         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
18563         warn_if_disallowed_function_p): Removed.
18564         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
18565         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
18566         warning_if_disallowed_function_p.
18567         * flags.h (warn_if_disallowed_function_p,
18568         warn_disallowed_functions): Removed.
18569         * common.opt (Wdisallowed-function-list=): Removed.
18570         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
18571
18572 2009-03-28  Richard Guenther  <rguenther@suse.de>
18573
18574         PR tree-optimization/38723
18575         * tree-ssa-pre.c (compute_avail): Add all default definitions to
18576         the entry block.
18577
18578 2009-03-28  Jan Hubicka  <jh@suse.cz>
18579
18580         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
18581         test introduced by my previous patch.
18582
18583 2009-03-28  Richard Guenther  <rguenther@suse.de>
18584
18585         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
18586         the PHIs value undefined.
18587
18588 2009-03-28  Jan Hubicka  <jh@suse.cz>
18589
18590         * tree-pass.h (pass_fixup_cfg): New pass.
18591         * ipa-inline.c (inline_transform): Set
18592         always_inline_functions_inlined/after_inlining.
18593         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
18594         (pass_fixup_cfg): New pass.
18595         * passes.c (init_optimization_passes): Add fixup_cfg.
18596
18597 2009-03-28  Richard Guenther  <rguenther@suse.de>
18598
18599         PR tree-optimization/38458
18600         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
18601         argument use the arguments copy-of value.
18602
18603 2009-03-28  Richard Guenther  <rguenther@suse.de>
18604
18605         PR tree-optimization/38180
18606         * tree-ssa-ccp.c (get_default_value): Simplify.
18607         (likely_value): Likewise.
18608         (surely_varying_stmt_p): Properly handle VOP case.
18609         (ccp_initialize): Likewise.
18610         (ccp_fold): Handle propagating through *&.
18611         (fold_const_aggregate_ref): Also handle decls.
18612
18613 2009-03-28  Jan Hubicka  <jh@suse.cz>
18614
18615         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
18616         * cgraph.h (cgraph_node): Likewise.
18617         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
18618         (cgraph_reset_node): Use process flag.
18619         (cgraph_mark_functions_to_output): Likewise.
18620         (cgraph_expand_function): Likewise.
18621         (cgraph_expand_all_functions): Likewise.
18622         (cgraph_output_in_order): Likewise.
18623         * dwarf2out.c (reference_to_unused): Likewise.
18624         * passes.c do_per_function_toporder): Likewise.
18625
18626 2009-03-28  Jan Hubicka  <jh@suse.cz>
18627
18628         Bring from lto-branch:
18629
18630         2008-09-03  Doug Kwan  <dougkwan@google.com>
18631
18632         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
18633         enums instead of reason strings.
18634         * cgraph.c (cgraph_create_edge): Same.
18635         (cgraph_inline_failed_string): New function.
18636         * cgraph.h (cgraph_inline_failed_t): New enum type.
18637         (cgraph_inline_failed_string): New prototype.
18638         (struct cgraph_edge): Change type of INLINED_FAILED from constant
18639         char pointer to cgraph_inline_failed_t.
18640         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
18641         (cgraph_default_inline_p): Ditto.
18642         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
18643         to cgraph_inline_failed_t pointer.
18644         * cif-code.def: New file.
18645         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
18646         reason string.
18647         (cgraph_check_inline_limits): Change type of REASON to pointer to
18648         cgraph_inline_failed_t.  Replace reason strings with enums.
18649         (cgraph_default_inline_p): Ditto.
18650         (cgraph_recursive_inlining_p): Ditto.
18651         (update_caller_keys): Change type of FAILED_REASON to
18652         cgraph_inline_failed_t.
18653         (cgraph_set_inline_failed): Change type of REASON to pointer to
18654         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
18655         convert enums to strings for text output.
18656         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
18657         to be of type cgraph_inline_failed_t.  Replace reason strings with
18658         enums.  Call cgraph_inline_failed_string to covert enums
18659         to strings for text output.
18660         (cgraph_decide_inlining): Replace reason strings with enums.
18661         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
18662         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
18663         for text output.
18664         * tree-inline.c (expand_call_inline): Change type of REASON
18665         to cgraph_inline_failed_t.  Replace reason strings with enums.
18666         Call cgraph_inline_failed_string for text output.
18667         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
18668         (cgraph.o): Ditto.
18669
18670 2009-03-28  Jan Hubicka  <jh@suse.cz>
18671
18672         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
18673         cgraph_clone_node): Remove master clone handling.
18674         (cgraph_is_master_clone, cgraph_master_clone): Remove.
18675         * cgraph.h (master_clone): Remove.
18676         (cgraph_is_master_clone, cgraph_master_clone): Remove.
18677         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
18678         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
18679
18680 2009-03-28  Jan Hubicka  <jh@suse.cz>
18681
18682         * cgraph.c (cgraph_function_body_availability): Functions declared
18683         inline are always safe to assume that it is not going to be replaced.
18684
18685 2009-03-28  Richard Guenther  <rguenther@suse.de>
18686
18687         PR tree-optimization/38513
18688         * tree-ssa-pre.c (eliminate): Remove redundant stores.
18689         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
18690         EXC_PTR_EXPR and FILTER_EXPR.
18691         (get_ref_from_reference_ops): Likewise.
18692
18693 2009-03-28  Richard Guenther  <rguenther@suse.de>
18694
18695         PR tree-optimization/38968
18696         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
18697         Use FLOOR_MOD_EXPR to compute misalignment.
18698
18699 2009-03-28  Richard Guenther  <rguenther@suse.de>
18700
18701         PR tree-optimization/37795
18702         * tree.h (combine_comparisons): Declare.
18703         * fold-const.c (combine_comparisons): Export.
18704         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
18705         comparisons.
18706         (ifcombine_iforif): Use combine_comparisons.
18707
18708 2009-03-28  Jan Hubicka  <jh@suse.cz>
18709
18710         * tree-eh.c (inlinable_call_p): New function.
18711         (make_eh_edges): Use it.
18712         (verify_eh_edges): Use it.
18713         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
18714         * except.c (reachable_next_level): Add inlinable_function argument
18715         (sjlj_find_directly_reachable_regions): Update.
18716         (add_reachable_handler): Do not set saw_any_handlers.
18717         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
18718         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
18719         Add new inlinable call parameter.
18720         (can_throw_internal, can_throw_external): Update.
18721         * except.h (can_throw_internal_1, can_throw_external_1,
18722         foreach_reachable_handler): Update declaration.
18723
18724 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
18725
18726         * config/arm/t-arm-coff, config/h8300/coff.h,
18727         config/i386/i386-aout.h, config/i386/i386-coff.h,
18728         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
18729         config/pdp11/2bsd.h, config/rs6000/aix41.h,
18730         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
18731         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
18732         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
18733         sys-types.h: Remove.
18734         * Makefile.in: Remove protoize and fixproto support and references
18735         in comments.
18736         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
18737         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
18738         Remove.
18739         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
18740         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
18741         unprotoize$(exeext).
18742         (rest.encap): Don't depend on $(STMP_FIXPROTO)
18743         (.PHONY): Don't depend on proto.
18744         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
18745         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
18746         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
18747         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
18748         build/gen-protos.o, build/scan.o, xsys-protos.h,
18749         build/fix-header$(build_exeext), build/fix-header.o,
18750         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
18751         stmp-install-fixproto): Remove.
18752         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
18753         SYSCALLS.c or fixproto files.
18754         (install-common): Don't install protoize.
18755         (install-headers-tar, install-headers-cpio, install-headers-cp):
18756         Don't depend on $(STMP_FIXPROTO).
18757         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
18758         install fixproto files or write out fixproto settings.
18759         (uninstall): Don't uninstall protoize.
18760         * config.gcc (use_fixproto): Remove.
18761         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
18762         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
18763         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
18764         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
18765         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
18766         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
18767         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
18768         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
18769         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
18770         * config/t-vxworks (STMP_FIXPROTO): Remove.
18771         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
18772         STMP_FIXPROTO): Remove.
18773         * config.in, configure: Regenerate.
18774         * crtstuff.c (gid_t, uid_t): Don't undefine.
18775         * doc/install.texi: Change m68k-coff to m68k-elf in example.
18776         (arm-*-coff, arm-*-aout: Remove target entries.
18777         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
18778         Remove mention of AIX 4.1.
18779         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
18780         * doc/invoke.texi (Running Protoize): Remove.
18781         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
18782         (Protoize Caveats): Remove.
18783         * tsystem.h: Update comments on headers assumed to exist.
18784
18785 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
18786
18787         * genautomata.c: Add a new year to the copyright.  Add a new
18788         reference.
18789         (struct insn_reserv_decl): Add comments for member bypass_list.
18790         (find_bypass): Remove.
18791         (insert_bypass): New.
18792         (process_decls): Use insert_bypass.
18793         (output_internal_insn_latency_func): Output all bypasses with the
18794         same input insn in one switch case.
18795
18796         * rtl.def (define_bypass): Describe bypass choice.
18797         * doc/md.texi (define_bypass): Ditto.
18798
18799 2009-03-27  Richard Guenther  <rguenther@suse.de>
18800
18801         * gimplify.c (mark_addressable): Export.
18802         * tree-flow.h (mark_addressable): Declare.
18803         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
18804         * tree-ssa.c (verify_phi_args): Verify that address taken
18805         variables have TREE_ADDRESSABLE set.
18806
18807 2009-03-27  Richard Guenther  <rguenther@suse.de>
18808
18809         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
18810         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
18811         Do not mark decls TREE_ADDRESSABLE.
18812         (build_fold_addr_expr): Adjust.
18813         (fold_addr_expr): Remove.
18814         (fold_unary): Use build_fold_addr_expr.
18815         (fold_comparison): Likewise.
18816         (split_address_to_core_and_offset): Likewise.
18817         * coverage.c (tree_coverage_counter_addr): Mark the array decl
18818         TREE_ADDRESSABLE.
18819         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
18820         (gimplify_modify_expr_to_memcpy): Mark source and destination
18821         addressable.
18822         * omp-low.c (create_omp_child_function): Mark the object decl
18823         TREE_ADDRESSABLE.
18824         (lower_rec_input_clauses): Mark the var we take the address of
18825         TREE_ADDRESSABLE.
18826         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
18827
18828 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
18829
18830         PR middle-end/39315
18831         * cfgexpand.c (expand_one_stack_var_at): Change alignment
18832         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
18833
18834 2009-03-27  Richard Guenther  <rguenther@suse.de>
18835
18836         PR tree-optimization/39120
18837         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
18838         constraints.
18839         (handle_lhs_call): Process return constraints.  Add escape
18840         constraints if necessary.
18841         (handle_const_call): Fill out return constraints.  Make nested
18842         case more precise.  Avoid consttmp if possible.
18843         (handle_pure_call): Fill out return constraints.  Avoid
18844         callused if possible.
18845         (find_func_aliases): Simplify call handling.
18846
18847 2009-03-27  Richard Guenther  <rguenther@suse.de>
18848
18849         PR tree-optimization/39120
18850         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
18851         as a representative.
18852         (solve_graph): Do propagate CALLUSED.
18853         (handle_pure_call): Use a scalar constraint from CALLUSED for
18854         the return value.
18855         (find_what_p_points_to): CALLUSED shall not appear in poins-to
18856         solutions.
18857
18858 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
18859
18860         PR c/39323
18861         * c-common.c (handle_aligned_attribute): Properly check alignment
18862         overflow.  Use (1U << i) instead of (1 << i).
18863
18864         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
18865
18866         * expr.h (get_mem_align_offset): Updated.
18867
18868         * tree.h (tree_decl_common): Change align to "unsigned int" and
18869         move it before pointer_alias_set.
18870
18871 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
18872             Jakub Jelinek  <jakub@redhat.com>
18873
18874         PR target/38034
18875         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
18876         gr_register_operand with gr_reg_or_0_operand.
18877         (cmpxchg_rel_di): Likewise.
18878         (sync_lock_test_and_set<mode>): Likewise.
18879
18880 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
18881
18882         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
18883         (true_regnum): Likewise.
18884
18885         * rtlanal.c (subreg_info): Moved to ...
18886         * rtl.h (subreg_info): Here.  New.
18887         (subreg_get_info): New.
18888
18889         * rtlanal.c (subreg_get_info): Make it extern.
18890
18891 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
18892
18893         PR target/39472
18894         * config/i386/i386.c (ix86_abi): New.
18895         (override_options): Handle -mabi=.
18896         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
18897         (ix86_call_abi_override): Likewise.
18898         (init_cumulative_args): Likewise.
18899         (function_arg_advance): Likewise.
18900         (function_arg_64): Likewise.
18901         (function_arg): Likewise.
18902         (ix86_pass_by_reference): Likewise.
18903         (ix86_function_value_regno_p): Likewise.
18904         (ix86_build_builtin_va_list_abi): Likewise.
18905         (setup_incoming_varargs_64): Likewise.
18906         (is_va_list_char_pointer): Likewise.
18907         (ix86_init_machine_status): Likewise.
18908         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
18909         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
18910         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
18911         (ix86_function_abi): Make it static and return enum calling_abi.
18912         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
18913         with ix86_abi.
18914         (ix86_fn_abi_va_list): Updated.
18915
18916         * config/i386/i386.h (ix86_abi): New.
18917         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
18918         (CONDITIONAL_REGISTER_USAGE): Likewise.
18919         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
18920         (machine_function): Likewise.
18921
18922         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
18923         with ix86_abi.
18924         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
18925         (STACK_BOUNDARY): Likewise.
18926         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
18927
18928         * config/i386/i386.opt (mabi=): New.
18929
18930         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
18931         return enum calling_abi.
18932         (ix86_function_type_abi): Likewise.
18933         (ix86_function_abi): Removed.
18934
18935         * doc/invoke.texi: Document -mabi= option for x86.
18936
18937 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18938
18939         * builtins.c (real_dconstp): Delete.
18940         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
18941
18942 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
18943             Jakub Jelinek  <jakub@redhat.com>
18944
18945         PR debug/37959
18946         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
18947         (gen_subprogram_die): When a function is explicit, generate the
18948         DW_AT_explicit attribute.
18949         * langhooks.h (struct lang_hooks_for_decls): Add
18950         function_decl_explicit_p langhook.
18951         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
18952         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
18953
18954 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
18955
18956         * builtins.c (fold_builtin_memory_op): Optimize memmove
18957         into memcpy if we can prove source and destination don't overlap.
18958
18959         * tree-inline.c: Include gt-tree-inline.h.
18960         (clone_fn_id_num): New variable.
18961         (clone_function_name): New function.
18962         (tree_function_versioning): Use it.
18963         * Makefile.in (GTFILES): Add tree-inline.c.
18964
18965 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
18966
18967         * BASE-VER: Change to 4.5.0.
18968
18969 2009-03-27  Xinliang David Li  <davidxl@google.com>
18970
18971         PR tree-optimization/39557
18972         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
18973
18974 2009-03-27  Xinliang David Li  <davidxl@google.com>
18975
18976         PR tree-optimization/39548
18977         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
18978         candidate check.
18979
18980 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
18981
18982         * c-common.c (pointer_int_sum): Use %wd on return from
18983         tree_low_cst.
18984
18985 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
18986
18987         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
18988         on return from tree_low_cst.
18989
18990 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18991
18992         PR c++/36799
18993         * ginclude/stdarg.h (va_copy): Define also for
18994         __GXX_EXPERIMENTAL_CXX0X__.
18995
18996 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18997
18998         PR c++/35652
18999         * builtins.h (c_strlen): Do not warn here.
19000         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
19001         * c-common.c (pointer_int_sum): Take an explicit location.
19002         Warn about offsets out of bounds.
19003         * c-common.h (pointer_int_sum): Adjust declaration.
19004
19005 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19006
19007         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
19008         markup glitch.
19009
19010 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
19011
19012         PR c++/39554
19013         * opts.c (warn_if_disallowed_function_p): Don't assume
19014         get_callee_fndecl must return non-NULL.
19015
19016 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
19017
19018         PR rtl-optimization/39522
19019         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
19020         when reg_reloaded_valid is set.
19021
19022 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
19023
19024         * config/spu/divv2df3.c: New file.
19025         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
19026         (DPBIT_FUNCS): Filter out _div_df.
19027
19028 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
19029
19030         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
19031         a jump insn, count that jump in the distance to the loop start.
19032
19033 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
19034
19035         PR target/39523
19036         * config/sh/sh.c (calc_live_regs): Fix condition for global
19037         registers except PIC_OFFSET_TABLE_REGNUM.
19038
19039 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
19040
19041         PR/39518
19042         * doc/invoke.texi (-mconsole): New.
19043         (-mcygwin): New.
19044         (-mno-cygwin): New.
19045         (-mdll): New.
19046         (-mnop-fun-dllimport): New.
19047         (-mthread): New.
19048         (-mwin32): New.
19049         (-mwindows): New.
19050         (sub section "i386 and x86-64 Windows Options"): New.
19051
19052 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
19053
19054         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
19055         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
19056
19057 2009-03-25  Richard Guenther  <rguenther@suse.de>
19058
19059         PR middle-end/39497
19060         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
19061         of -Wno-error.
19062
19063 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
19064
19065         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
19066         neither of haifa/selective schedulers are working.
19067
19068 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19069
19070         * doc/invoke.texi (Debugging Options): Fix description of
19071         -fno-merge-debug-strings.
19072
19073 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
19074
19075         * config/cris/libgcc.ver: New version-script.
19076         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
19077
19078         * configure.ac <GAS features, nop mnemonic>: Add pattern
19079         crisv32-*-* for "nop".
19080         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
19081         * configure: Regenerate.
19082
19083 2009-03-24  Ira Rosen  <irar@il.ibm.com>
19084
19085         PR tree-optimization/39529
19086         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
19087         mark_sym_for_renaming for the tag copied to the new vector
19088         pointer.
19089
19090 2009-03-24  Arthur Loiret  <aloiret@debian.org>
19091
19092         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
19093         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
19094         EXTRA_SPEC_FUNCTIONS.
19095         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
19096         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
19097         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
19098         -march and -mtune options.
19099
19100 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
19101
19102         * config/m68k/t-rtems: Add m5329 multilib.
19103
19104 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
19105             Jakub Jelinek  <jakub@redhat.com>
19106
19107         PR debug/39524
19108         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
19109         nodes.
19110
19111 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
19112
19113         PR c/39495
19114         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
19115         instead of c_parser_expression_conv, if original_code isn't one of the
19116         4 allowed comparison codes, fail.
19117
19118 2009-03-23  Richard Guenther  <rguenther@suse.de>
19119
19120         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
19121         * tree.h (struct tree_type): Likewise.
19122         * reload.h (struct insn_chain): Likewise.
19123         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
19124         * function.h (struct function): Likewise.
19125         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
19126
19127 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
19128
19129         PR tree-optimization/39516
19130         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
19131
19132 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
19133
19134         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
19135         should be set true if BITS_PER_WORD of target is bigger than 32
19136
19137 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
19138
19139         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
19140         Translate -B-options to -rpath-link.  Correct existing
19141         rpath-link and conditionalize on !nostdlib.
19142
19143 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19144
19145         * doc/extend.texi (Function Attributes, Variable Attributes):
19146         Fix typos.
19147         * doc/invoke.texi (Debugging Options, Optimize Options)
19148         (i386 and x86-64 Options, MCore Options): Likewise.
19149
19150 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
19151
19152         PR debug/37890
19153         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
19154         it for block local namespace aliases.
19155         (gen_decl_die): Pass context_die to gen_namespace_die.
19156
19157 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
19158
19159         PR c/39495
19160         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
19161         minimum or maximum value.
19162
19163 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
19164
19165         * reginfo.c (globalize_reg): Recompute derived reg sets.
19166
19167 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
19168
19169         PR target/39063
19170         * libgcc2.c (mprotect): Do not use signed arguments for
19171         VirtualProtect, use DWORD arguments.  Also fix the 'may
19172         be used uninitialized' warning for the np variable.
19173
19174 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
19175
19176         PR target/39496
19177         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
19178         functions using regparm calling conventions when not optimizing.
19179         (ix86_function_sseregparm): Similarly for sseregparm calling
19180         conventions.
19181
19182 2009-03-19  Li Feng  <nemokingdom@gmail.com>
19183
19184         PR middle-end/39500
19185         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
19186         dependence if the first conflict is after niter iterations.
19187
19188 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
19189
19190         PR middle-end/38609
19191         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
19192         functions with dynamic stack-pointer adjustments.
19193
19194 2009-03-19  Ben Elliston  <bje@au.ibm.com>
19195
19196         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
19197         option; change to -msdata=data.
19198
19199 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19200
19201         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
19202         and -fopenmp.
19203
19204 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
19205
19206         PR target/35180
19207         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
19208
19209 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
19210
19211         * doc/invoke.texi (Code Gen Options): Expand discussion of
19212         -fno-common.
19213
19214 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
19215
19216         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
19217         * matrix-reorg.c (struct matrix_info): Likewise.
19218         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
19219         * rtl.h (struct mem_attrs): Likewise.
19220         * df.h (struct df): Likewise.
19221         * tree-data-ref.h (struct data_dependence_relation): Likewise.
19222         * ira-int.h (struct ira_allocno): Likewise.
19223         * df-scan.c (struct df_collection_rec): Likewise.
19224         * ira.c (struct equivalence): Likewise.
19225         * function.c (struct temp_slot): Likewise.
19226         * cfgloop.h (struct loop): Likewise.
19227
19228         PR debug/39485
19229         * function.c (use_register_for_decl): When not optimizing, disregard
19230         register keyword for variables with types containing methods.
19231
19232 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
19233
19234         PR middle-end/39447
19235         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
19236         (is_simple_operand): Call contains_component_ref_p before calling data
19237         reference analysis that would fail on COMPONENT_REFs.
19238
19239         * tree-vrp.c (search_for_addr_array): Fix formatting.
19240
19241 2009-03-18  Richard Guenther  <rguenther@suse.de>
19242
19243         * tree-vect-transform.c (vect_loop_versioning): Fold the
19244         generated comparisons.
19245         * tree-vectorizer.c (set_prologue_iterations): Likewise.
19246         (slpeel_tree_peel_loop_to_edge): Likewise.
19247
19248 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19249
19250         PR middle-end/37805
19251         * opts.c (print_specific_help): In addition to `undocumented',
19252         accept `separate' and `joined' flags if passed alone.  Describe
19253         output by the first matched one of those.
19254         (common_handle_option): Skip over empty strings.
19255         * gcc.c (display_help): Fix help string for `--help='.
19256         * doc/invoke.texi (Option Summary, Overall Options): With
19257         `--help=', classes and qualifiers can both be repeated, but
19258         only the latter can be negated.  One should not pass only
19259         negated qualifiers.  Fix markup and examples.
19260
19261         Revert
19262         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
19263         PR middle-end/37805
19264         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
19265         and -fhelp=separate.
19266
19267 2009-03-17  Jing Yu  <jingyu@google.com>
19268
19269         PR middle-end/39378
19270         * function.h (struct rtl_data): Move is_thunk from here...
19271         (struct function): ...to here.
19272         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
19273         * varasm.c (assemble_start_function): Change is_thunk from crtl to
19274         cfun.
19275         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
19276         cfun.
19277         (alpha_does_function_need_gp, alpha_start_function): Likewise.
19278         (alpha_output_function_end_prologue): Likewise.
19279         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
19280         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
19281         (rs6000_output_function_epilogue): Likewise.
19282         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
19283
19284 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
19285
19286         PR target/39482
19287         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
19288         from different units in a single alternative.
19289         (*truncdfsf_i387): Ditto.
19290         (*truncxfsf2_mixed): Ditto.
19291         (*truncxfdf2_mixed): Ditto.
19292
19293 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
19294
19295         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
19296         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
19297
19298         PR debug/39474
19299         * tree-ssa-live.c (remove_unused_locals): Don't remove local
19300         unused non-artificial variables when not optimizing.
19301
19302         PR debug/39471
19303         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
19304         DW_TAG_imported_module even if decl is IMPORTED_DECL with
19305         NAMESPACE_DECL in its DECL_INITIAL.
19306
19307         PR middle-end/39443
19308         * optabs.c (set_user_assembler_libfunc): New function.
19309         * expr.h (set_user_assembler_libfunc): New prototype.
19310         * c-common.c: Include libfuncs.h.
19311         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
19312         for memcmp, memset, memcpy, memmove and abort.
19313         * Makefile.in (c-common.o): Depend on libfuncs.h.
19314
19315         PR debug/39412
19316         * dwarf2out.c (gen_inlined_enumeration_type_die,
19317         gen_inlined_structure_type_die, gen_inlined_union_type_die,
19318         gen_tagged_type_instantiation_die): Removed.
19319         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
19320         do nothing.
19321
19322 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
19323
19324         PR testsuite/38526
19325         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
19326         its use.
19327         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
19328         (check-parallel-%): Ditto.
19329         (check-consistency): Ditto.
19330
19331 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
19332
19333         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
19334         local variable rhs by NULL_TREE.
19335
19336 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
19337
19338         PR target/39477
19339         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
19340
19341 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
19342
19343         PR target/39476
19344         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
19345
19346 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
19347
19348         PR target/39473
19349         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
19350         for ms->sysv ABI calls only in 64bit mode.
19351
19352         * config/i386/i386.md (untyped_call): Support 32bit.
19353
19354 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
19355
19356         * doc/extend.texi: Replace x86_65 with x86_64.
19357
19358 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
19359
19360         PR tree-optimization/39455
19361         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
19362         mismatches for POINTER_TYPE_P (type).
19363         (number_of_iterations_le): Likewise.
19364
19365 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
19366
19367         * config/picochip/picochip.c: Removed profiling support.
19368         * config/picochip/picochip.md: Removed profiling instruction.
19369         * config/picochip/picochip.h: Removed profiling builtin.
19370
19371 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
19372
19373         * doc/install.texi (--with-host-libstdcxx): Document.
19374
19375 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
19376
19377         PR target/34299
19378         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
19379         generate a warning if the function name does not begin with
19380         "__vector" and the function has either the 'signal' or 'interrupt'
19381         attribute, from here to ...
19382         (avr_declare_function_name): ...here. New function.
19383         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
19384         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
19385
19386 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
19387
19388         PR bootstrap/39454
19389         * cse.c (fold_rtx): Don't modify original const_arg1 when
19390         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
19391         separate variable instead.
19392         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
19393         from out of range shift counts.
19394         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
19395
19396 2009-03-13  Catherine Moore  <clm@codesourcery.com>
19397
19398         * config/i386/x-mingw32 (host-mingw32.o): Replace
19399         diagnostic.h with $(DIAGNOSTIC_H).
19400
19401 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
19402
19403         PR target/39431
19404         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
19405         predicate.
19406         * config/i386/sync.md (sync_compare_and_swap<mode>,
19407         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
19408         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
19409         into a register.
19410         (sync_double_compare_and_swapdi_pic,
19411         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
19412         cmpxchg8b_pic_memory_operand instead of just memory_operand.
19413
19414 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
19415
19416         PR target/39445
19417         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
19418
19419 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
19420
19421         PR target/39327
19422         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
19423         (avx_addsubv4df3): Likewise.
19424         (*avx_addsubv4sf3): Likewise.
19425         (sse3_addsubv4sf3): Likewise.
19426
19427 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
19428
19429         PR target/38824
19430         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
19431
19432 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
19433
19434         PR debug/39432
19435         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
19436         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
19437         registers for allocnos created from user-defined variables.
19438
19439 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
19440
19441         PR target/39181
19442         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
19443         of non-integer mode as well.
19444
19445 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
19446
19447         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
19448         for functions for which the parameter types are unknown.
19449
19450 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
19451
19452         PR target/39137
19453         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
19454         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
19455         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
19456         * config/i386/i386.c (ix86_local_alignment): For
19457         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
19458         long long variables on the stack to avoid dynamic realignment.
19459         Allow the first argument to be a decl rather than type.
19460         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
19461
19462 2009-03-11  Nick Clifton  <nickc@redhat.com>
19463
19464         PR target/5362
19465         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
19466         options.
19467         Add description to mno-lsim option.
19468         * config/mcore/mcore.h: Remove comment about deprecated m4align
19469         option.
19470         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
19471         * doc/invoke.texi: Add description of mno-lsim and
19472         mstack-increment options.
19473
19474         * config/fr30/fr30.opt: Document the -mno-lsim option.
19475         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
19476         and -mno-lsim options.
19477
19478 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
19479
19480         * fold-const.c (fold_comparison): Only call fold_inf_compare
19481         if the mode supports infinities.
19482
19483 2009-03-11  Jason Merrill  <jason@redhat.com>
19484
19485         PR debug/39086
19486         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
19487         end already did.  Notice GIMPLE_CALL modifications of the result.
19488         Don't copy debug information from an ignored decl or a decl from
19489         another function.
19490
19491 2009-03-10  Richard Guenther  <rguenther@suse.de>
19492             Nathan Froyd  <froydnj@codesourcery.com>
19493
19494         PR middle-end/37850
19495         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
19496         (__divMODE3): Likewise.
19497
19498 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
19499
19500         PR tree-optimization/39394
19501         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
19502         DECL_SIZE_UNIT of variable length FIELD_DECLs.
19503
19504 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
19505
19506         * recog.c (verfiy_changes): Disallow renaming of hard regs in
19507         inline asms for register asm ("") declarations.
19508
19509 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
19510
19511         * fold-const.c (fold_unary): Fix comment.
19512
19513 2009-03-07  Jan Hubicka  <jh@suse.cz>
19514
19515         PR target/39361
19516         * tree-inline.c (setup_one_parameter): Do replacement of const
19517         argument by constant in SSA form.
19518
19519 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
19520
19521         PR middle-end/38028
19522         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
19523         determine alignment passed to assign_stack_local.
19524         (assign_parms_unsplit_complex): Likewise.
19525         * except.c (sjlj_build_landing_pads): Likewise.
19526
19527 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
19528
19529         PR middle-end/39360
19530         * tree-flow.h (add_referenced_var): Return bool instead of void.
19531         * tree-dfa.c (add_referenced_var): Return result of
19532         referenced_var_check_and_insert call.
19533         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
19534         of referenced_var_check_and_insert.
19535
19536         PR debug/39372
19537         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
19538         (gen_variable_die): Emit DW_AT_location on abstract static variable's
19539         DIE, don't emit it if abstract origin already has it.
19540         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
19541         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
19542
19543 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
19544
19545         * genpreds.c (needs_variable): Fix parentheses at variable name
19546         detection.
19547         (write_tm_constrs_h): Indent generated code.
19548
19549 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
19550
19551         * doc/extend.texi (Function Attributes): Add documentation
19552         for isr attributes.
19553
19554 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
19555
19556         PR debug/39387
19557         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
19558         take locus from its DECL_SOURCE_LOCATION instead of input_location.
19559
19560 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
19561
19562         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
19563         the loop as bad.
19564
19565 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
19566
19567         PR debug/39379
19568         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
19569         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
19570
19571 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
19572
19573         * config/i386/i386.md (R8_REG, R9_REG): New constants.
19574         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
19575         constants instead of magic numbers.
19576         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
19577         (QI_REG_P): Ditto.
19578         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
19579         (x86_64_ms_abi_int_parameter_registers): Ditto.
19580         (x86_64_int_return_registers): Ditto.
19581         (ix86_maybe_switch_abi): Ditto.
19582         (ix86_expand_call): Ditto for clobbered_registers array.
19583         (ix86_hard_regno_mode_ok): Ditto.
19584         (x86_extended_QIreg_mentioned_p): Ditto.
19585
19586 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
19587
19588         PR tree-optimization/39349
19589         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
19590
19591         * combine.c (gen_lowpart_for_combine): Use omode when generating
19592         clobber.
19593
19594 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
19595
19596         PR rtl-optimization/39235
19597         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
19598
19599 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
19600
19601         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
19602
19603 2009-03-04  Richard Guenther  <rguenther@suse.de>
19604
19605         PR tree-optimization/39362
19606         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
19607         that occur in abnormal PHIs should be varying.
19608
19609 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
19610
19611         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
19612         Extend comments.
19613         (simple_iv):  Take loop as an argument instead of statement.
19614         * tree-scalar-evolution.h (simple_iv): Declaration changed.
19615         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
19616         to simple_iv.
19617         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
19618         Ditto.
19619         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
19620         * matrix-reorg.c (analyze_transpose): Ditto.
19621         * tree-data-ref.c (dr_analyze_innermost): Ditto.
19622         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
19623         * tree-predcom.c (ref_at_iteration): Ditto.
19624         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
19625
19626 2009-03-04  Richard Guenther  <rguenther@suse.de>
19627
19628         PR tree-optimization/39358
19629         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
19630         escaped_id and callused_id.
19631         (solve_graph): Likewise.
19632
19633 2009-03-04  Richard Guenther  <rguenther@suse.de>
19634
19635         PR tree-optimization/39339
19636         * tree-sra.c (try_instantiate_multiple_fields): Make it
19637         no longer ICE on the above.
19638
19639 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
19640
19641         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
19642         that fits within Pmode.
19643
19644 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
19645
19646         PR middle-end/10109
19647         * tm.texi (LIBCALL_VALUE): Update description.
19648
19649 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
19650
19651         PR middle-end/34443
19652         * doc/extend.texi (section): Update description.
19653
19654 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
19655
19656         PR middle-end/39345
19657         * tree-inline.c (remapped_type): New.
19658         (can_be_nonlocal): Call remapped_type instead of remap_type.
19659
19660 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
19661
19662         PR fortran/39354
19663         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
19664         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
19665
19666 2009-03-03  Richard Guenther  <rguenther@suse.de>
19667
19668         PR middle-end/39272
19669         * tree.c (tree_nonartificial_location): New function.
19670         * tree.h (tree_nonartificial_location): Declare.
19671         * builtins.c (expand_builtin_memory_chk): Provide location
19672         of the call location for artificial function pieces.
19673         (maybe_emit_chk_warning): Likewise.
19674         (maybe_emit_sprintf_chk_warning): Likewise.
19675         (maybe_emit_free_warning): Likewise.
19676         * expr.c (expand_expr_real_1): Likewise.
19677
19678 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
19679
19680         PR tree-optimization/39343
19681         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
19682         COMPONENT_REF t has ARRAY_TYPE.
19683
19684 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
19685
19686         PR middle-end/39335
19687         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
19688         when the type precision of the induction variable should be
19689         larger than the type precision of nit.
19690         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
19691         * graphite.c (graphite_loop_normal_form): Same.
19692         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
19693
19694 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
19695
19696         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
19697         (*call_1_rex64_ms_sysv): Use named constants instead of magic
19698         numbers to describe clobbered registers.
19699         (*call_value_0_rex64_ms_sysv): Ditto.
19700         * config/i386/mmx.md (mmx_emms): Ditto.
19701         (mmx_femms): Ditto.
19702
19703 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
19704
19705         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
19706         of ABI_64.
19707
19708 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
19709
19710         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
19711         (spu_section_type_flags): New function.
19712
19713 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
19714
19715         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
19716         reg_class_contents of FLOAT_REGS into a temporary.
19717
19718 2009-03-02  Richard Guenther  <rguenther@suse.de>
19719             Ira Rosen  <irar@il.ibm.com>
19720
19721         PR tree-optimization/39318
19722         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
19723         information to the vectorized statement.
19724
19725 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
19726
19727         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
19728         variable.  Use defined names instead of magic constants for REX SSE
19729         registers.
19730
19731 2009-03-01  Richard Guenther  <rguenther@suse.de>
19732
19733         PR tree-optimization/39331
19734         * omp-low.c (lower_send_shared_vars): Do not receive new
19735         values for the reference of DECL_BY_REFERENCE parms or results.
19736
19737 2009-03-01  Jan Hubicka  <jh@suse.cz>
19738
19739         PR debug/39267
19740         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
19741         BLOCK_NONLOCALIZED_VAR): New macros.
19742         (tree_block): Add nonlocalized_vars.
19743         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
19744         gen_decl_die): Add origin argument.  Allow generation of die with
19745         origin at hand only.
19746         (gen_member_die, gen_type_die_with_usage, force_decl_die,
19747         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
19748         of gen_*.
19749         (gen_block_die): Fix checking for unused blocks.
19750         (process_scope_var): Break out from .... ; work with origins only.
19751         (decls_for_scope) ... here; process nonlocalized list.
19752         (dwarf2out_ignore_block): Look for nonlocalized vars.
19753         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
19754         vars.
19755         (dump_scope_block): Dump them.
19756         * tree-inline.c (remap_decls): Handle nonlocalized vars.
19757         (remap_block): Likewise.
19758         (can_be_nonlocal): New predicate.
19759         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
19760
19761 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19762
19763         * configure: Regenerate.
19764
19765 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19766
19767         * optc-gen.awk: No need to duplicate option flags twice.
19768         Reuse help texts for duplicate options which do not have any.
19769
19770         * gcc.c (display_help): Document --version.
19771
19772         * gcc.c (main): If print_help_list and verbose_flag, ensure
19773         driver output comes before subprocess output.
19774
19775         * optc-gen.awk: Assign all remaining fields to help string,
19776         space-separated, for multi-line help in *.opt.
19777
19778         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
19779         -Wno-pedantic-ms-format is for MinGW targets only.
19780
19781         * doc/options.texi (Option file format): Fix bad indentation,
19782         restoring dropped sentence.
19783
19784 2009-02-28  Jan Hubicka  <jh@suse.cz>
19785
19786         * tree-inline.c (tree_function_versioning): Output debug info.
19787
19788 2009-02-28  Jan Hubicka  <jh@suse.cz>
19789
19790         PR debug/39267
19791         * tree-inline.c (setup_one_parameter): Do not copy propagate
19792         arguments when not optimizing.
19793
19794 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
19795
19796         PR target/39327
19797         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
19798         (avx_addsubv4df3): Likewise.
19799         (*avx_addsubv4sf3): Likewise.
19800         (sse3_addsubv4sf3): Likewise.
19801         (*avx_addsubv2df3): Likewise.
19802         (sse3_addsubv2df3): Likewise.
19803         (avx_unpckhps256): Correct item selectors.
19804         (avx_unpcklps256): Likewise.
19805         (avx_unpckhpd256): Likewise.
19806         (avx_unpcklpd256): Likewise.
19807
19808 2009-02-28  Jan Hubicka  <jh@suse.cz>
19809
19810         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
19811         static vars.
19812         (copy_arguments_for_versioning): If var is declared don't declare it.
19813         (tree_function_versioning): First setup substitutions and then copy
19814         args.
19815
19816 2009-02-27  Jan Hubicka  <jh@suse.cz>
19817
19818         PR debug/39267
19819         * cgraph.h (varpool_output_debug_info): Remove.
19820         * cgraphunit.c (varpool_output_debug_info): Remove.
19821         * dwarf2out.c (deferred_locations_struct): New struct
19822         (deferred_locations): New type.
19823         (deferred_locations_list): New static var.
19824         (deffer_location): New function.
19825         (gen_variable_die): Use it.
19826         (decls_for_scope): Output info on local static vars.
19827         (dwarf2out_finish): Process deferred locations.
19828         * varpool.c (varpool_output_debug_info): Remove.
19829
19830 2009-02-27  Jan Hubicka  <jh@suse.cz>
19831
19832         PR debug/39267
19833         * tree.h (TREE_PROTECTED): Fix comment.
19834         (BLOCK_HANDLER_BLOCK): Remove.
19835         (struct tree_block): Remove handler_block add body_block.
19836         (inlined_function_outer_scope_p): New.
19837         (is_body_block): Remove.
19838         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
19839         * dwarf2out.c (is_inlined_entry_point): Remove.
19840         (add_high_low_attributes): Use inlined_function_outer_scope_p.
19841         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
19842         code.
19843         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
19844         * gimplify.c (gimplify_expr): Gimplify body blocks.
19845         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
19846         block with multiple subblocks.
19847         (dump_scope_block): Prettier output; dump more flags and info.
19848         (dump_scope_blocks): New.
19849         (remove_unused_locals): Use dump_scope_blocks.
19850         * tree-flow.h (dump_scope_blocks): Declare.
19851         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
19852         * stmt.c (is_body_block): Remove.
19853         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
19854         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
19855
19856 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
19857
19858         PR middle-end/39308
19859         * graphite.c (graphite_loop_normal_form): Do not call
19860         number_of_iterations_exit from a gcc_assert.
19861
19862 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
19863
19864         * config/s390/s390.c (s390_swap_cmp): Look for conditional
19865         jumps if COND is NULL.
19866         (find_cond_jump): New function.
19867         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
19868         * config/s390/s390.md: Remove z10_cobra attribute value.
19869
19870 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
19871
19872         * config/alpha/alpha.h (alpha_expand_mov): Return false if
19873         force_const_mem returns NULL_RTX.
19874
19875 2009-02-26  Jan Hubicka  <jh@suse.cz>
19876
19877         PR debug/39267
19878         * cgraph.h (varpool_output_debug_info): Remove.
19879         * cgraphunit.c (varpool_output_debug_info): Remove.
19880         * dwarf2out.c (deferred_locations_struct): New struct
19881         (deferred_locations): New type.
19882         (deferred_locations_list): New static var.
19883         (deffer_location): New function.
19884         (gen_variable_die): Use it.
19885         (decls_for_scope): Output info on local static vars.
19886         (dwarf2out_finish): Process deferred locations.
19887         * varpool.c (varpool_output_debug_info): Remove.
19888
19889 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
19890
19891         PR rtl-optimization/39241
19892         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
19893         to subreg_offset_representable_p.
19894
19895 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
19896
19897         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
19898         execute function prototype.  Get f and nregs from max_reg_num
19899         and get_insns.  Remove the first backward pass as it's dead,
19900         guard the forward pass by flag_expensive_optimizations.
19901         (rest_of_handle_regmove): Delete.
19902         (pass_regmove): Replace it with regmove_optimize.
19903
19904 2009-02-25  Martin Jambor  <mjambor@suse.cz>
19905
19906         PR tree-optimization/39259
19907         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
19908         calls_alloca function flags.
19909         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
19910         calls are detected.
19911
19912 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
19913
19914         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
19915         flags_set_1_rtx, flags_set_1_set): Delete.
19916         (regmove_optimize): Do not call mark_flags_life_zones.
19917
19918 2009-02-24  Julian Brown  <julian@codesourcery.com>
19919
19920         PR target/35965
19921         * config/arm/arm.c (require_pic_register): Only set
19922         cfun->machine->pic_reg once per function.
19923
19924 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
19925
19926         * doc/invoke.texi (Link Options): Document an easier way to pass
19927         options that take arguments to the GNU linker using -Xlinker and -Wl.
19928
19929 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
19930
19931         PR target/33785
19932         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
19933
19934 2009-02-24  Richard Guenther  <rguenther@suse.de>
19935
19936         PR debug/39285
19937         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
19938
19939 2009-02-24  Richard Guenther  <rguenther@suse.de>
19940             Zdenek Dvorak  <ook@ucw.cz>
19941
19942         PR tree-optimization/39233
19943         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
19944         from converting them to a generic type.
19945
19946 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
19947
19948         PR tree-optimization/39260
19949         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
19950         contains a condition with a real type.
19951         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
19952
19953 2009-02-23  Jason Merrill  <jason@redhat.com>
19954
19955         PR c++/38880
19956         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
19957         narrowing_initializer_constant_valid_p.
19958         (narrowing_initializer_constant_valid_p): Don't return
19959         null_pointer_node for adding a pointer to itself.
19960
19961 2009-02-23  Jan Hubicka  <jh@suse.cz>
19962
19963         PR c/12245
19964         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
19965         resizing.
19966
19967 2009-02-23  Jan Hubicka  <jh@suse.cz>
19968
19969         PR tree-optimization/37709
19970         * tree.c (block_ultimate_origin): Move here from dwarf2out.
19971         * tree.h (block_ultimate_origin): Declare.
19972         * dwarf2out.c (block_ultimate_origin): Move to tree.c
19973         * tree-ssa-live.c (remove_unused_scope_block_p):
19974         Eliminate blocks containig no instructions nor live variables nor
19975         nested blocks.
19976         (dump_scope_block): New function.
19977         (remove_unused_locals): Enable removal of dead blocks by default;
19978         enable dumping at TDF_DETAILS.
19979
19980 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
19981
19982         * config/i386/i386.c (classify_argument): Don't allow COImode
19983         and OImode.
19984         (function_arg_advance_32): Don't allow OImode.
19985         (function_arg_32): Likewise.
19986         (function_value_32): Likewise.
19987         (return_in_memory_32): Likewise.
19988         (function_arg_64): Remove OImode comment.
19989
19990 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
19991
19992         PR target/39261
19993         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
19994         ix86_expand_vector_set for V4DImode in 64bit mode only.
19995         (ix86_expand_vector_init_one_var): Likewise.
19996
19997 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
19998
19999         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
20000
20001 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
20002
20003         PR bootstrap/39257
20004         * loop-iv.c: Revert last change.
20005         * emit-rtl.c: Likewise.
20006
20007 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
20008
20009         PR target/39256
20010         * config/i386/i386.c (type_natural_mode): Remove an extra
20011         space in the warning message.
20012         (function_value_32): Handle 32-byte vector modes.
20013         (return_in_memory_32): Likewise.
20014
20015 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
20016
20017         * loop-iv.c (truncate_value): New function.
20018         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
20019         of lowpart_subreg.
20020         (lowpart_subreg): Move to...
20021         * emit-rtl.c: ...here.
20022
20023 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
20024
20025         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
20026         accidental and undocumented change at revision 140860.
20027
20028 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
20029
20030         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
20031         take gimple_seq * arguments.
20032         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
20033         types_compatible_p langhook.
20034
20035 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
20036             Joseph Myers  <joseph@codesourcery.com>
20037
20038         * config/arm/arm.c (arm_builtin_va_list): New function.
20039         (arm_expand_builtin_va_start): Likewise.
20040         (arm_gimplify_va_arg_expr): Likewise.
20041         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
20042         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
20043         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
20044         (va_list_type): New variable.
20045         (arm_mangle_type): Mangle va_list_type appropriately.
20046
20047 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
20048
20049         PR middle-end/39157
20050         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
20051         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
20052         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
20053         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
20054         parameter to 1000 for -O1 by default.
20055         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
20056         parameter.
20057         * loop-invariant.c: Include params.h.
20058         (move_loop_invariants): Don't call move_single_loop_invariants on
20059         very large loops.
20060
20061 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
20062
20063         * calls.c (emit_library_call_value_1): Use slot_offset instead of
20064         offset when calculating bounds for indexing stack_usage_map.  Fixes
20065         a buffer overflow with certain target setups.
20066
20067 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
20068
20069         PR target/39240
20070         * calls.c (expand_call): Clear try_tail_call if caller and callee
20071         disagree in promotion of function return value.
20072
20073 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
20074
20075         PR target/39175
20076         * c-common.c (c_determine_visibility): If visibility changed and
20077         DECL_RTL has been already set, call make_decl_rtl to update symbol
20078         flags.
20079
20080 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
20081
20082         PR c++/39188
20083         * varasm.c (assemble_variable): Don't check DECL_NAME when
20084         globalizing a variable.
20085
20086 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
20087
20088         PR c/38483
20089         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
20090         expression before any __builtin_trap call.
20091         * c-typeck.c (build_function_call): Convert and check function
20092         arguments before generating a call to a trap.  Evaluate the
20093         function arguments before the trap.
20094
20095 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
20096
20097         PR target/39228
20098         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
20099         (UNSPEC_FXAM_MEM): New unspec.
20100         (fxam<mode>2_i387_with_temp): New insn and split pattern.
20101         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
20102         memory using fxam<mode>2_i387_with_temp to remove excess precision.
20103
20104 2009-02-19  Richard Guenther  <rguenther@suse.de>
20105
20106         PR tree-optimization/39207
20107         PR tree-optimization/39074
20108         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
20109         storedanything_tree): New.
20110         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
20111         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
20112         (build_succ_graph): Add edges from STOREDANYTHING to all
20113         non-direct nodes.
20114         (init_base_vars): Initialize STOREDANYTHING.
20115         (compute_points_to_sets): Free substitution info after
20116         building the succ graph.
20117         (ipa_pta_execute): Likewise.
20118
20119         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
20120         field.
20121         (do_ds_constraint): Do not add to special var or non-pointer
20122         field solutions.
20123         (type_could_have_pointers): Split out from ...
20124         (could_have_pointers): ... here.  For arrays use the element type.
20125         (create_variable_info_for): Initialize may_have_pointers.
20126         (new_var_info): Likewise.
20127         (handle_lhs_call): Make the HEAP variable unknown-sized.
20128         (intra_create_variable_infos): Use a type with pointers for
20129         PARM_NOALIAS, make it unknown-sized.
20130
20131 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
20132
20133         PR target/39224
20134         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
20135
20136 2009-02-18  Jason Merrill  <jason@redhat.com>
20137
20138         PR target/39179
20139         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
20140         value if DECL_EXTERNAL.
20141         * tree-sra.c (sra_walk_gimple_assign): Likewise.
20142         * target.h (gcc_target::binds_local_p): Clarify "module".
20143         * tree.h (TREE_PUBLIC): Clarify "module".
20144
20145 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
20146
20147         PR target/38891
20148         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
20149         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
20150
20151 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
20152
20153         PR target/39082
20154         * c.opt (Wabi): Support C and ObjC.
20155         (Wpsabi): New.
20156
20157         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
20158
20159         * config/i386/i386.c (classify_argument): Warn once about the ABI
20160         change when passing union with long double.
20161
20162         * doc/invoke.texi: Update -Wabi for warning psABI changes.
20163
20164 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
20165
20166         PR c/35447
20167         * c-parser.c (c_parser_compound_statement): Always enter and leave
20168         a scope.
20169
20170 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20171
20172         PR target/34587
20173         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
20174
20175 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
20176
20177         PR tree-optimization/36922
20178         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
20179         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
20180         Likewise.
20181
20182 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
20183
20184         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
20185         to 0 for EABI64.
20186
20187 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
20188
20189         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
20190
20191 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
20192
20193         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
20194         tree sharing.
20195
20196 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
20197             Richard Sandiford  <rdsandiford@googlemail.com>
20198
20199         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
20200         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
20201         (loongson_biadd): ...this.
20202
20203 2009-02-17  Richard Guenther  <rguenther@suse.de>
20204
20205         PR tree-optimization/39202
20206         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
20207         a var make sure to follow existing collapses.
20208
20209 2009-02-17  Richard Guenther  <rguenther@suse.de>
20210
20211         PR middle-end/39214
20212         * langhooks.c (lhd_print_error_function): Check for NULL block.
20213
20214 2009-02-17  Richard Guenther  <rguenther@suse.de>
20215
20216         PR tree-optimization/39204
20217         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
20218         of the PHI arg.
20219
20220 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
20221
20222         * config/soft-fp/double.h: Update from glibc CVS.
20223
20224 2009-02-17  Richard Guenther  <rguenther@suse.de>
20225
20226         PR tree-optimization/39207
20227         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
20228         strict-aliasing warnings for pointers pointing to NULL.
20229
20230 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
20231
20232         PR c/35446
20233         * c-parser.c (c_parser_braced_init): Call pop_init_level when
20234         skipping until next close brace.
20235
20236 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
20237
20238         PR target/37049
20239         * config/i386/i386.c (ix86_expand_push): Set memory alignment
20240         to function argument boundary.
20241
20242 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
20243
20244         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
20245         in the lea_add. Reload eventually constraints it properly.
20246         * config/picochip/constraints.md: Remove the target constraint
20247         "b", since it is not needed anymore.
20248
20249 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
20250
20251         * gthr-dce.h: Uglify function parameter and local variable names.
20252         * gthr-gnat.h: Likewise.
20253         * gthr-mipssde.h: Likewise.
20254         * gthr-nks.h: Likewise.
20255         * gthr-posix95.h: Likewise.
20256         * gthr-posix.h: Likewise.
20257         * gthr-rtems.h: Likewise.
20258         * gthr-single.h: Likewise.
20259         * gthr-solaris.h: Likewise.
20260         * gthr-tpf.h: Likewise.
20261         * gthr-vxworks.h: Likewise.
20262         * gthr-win32.h: Likewise.
20263
20264 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
20265
20266         PR target/39196
20267         * config/i386/i386.md: Restrict the new peephole2 to move
20268         between MMX/SSE registers.
20269
20270 2009-02-15  Richard Guenther  <rguenther@suse.de>
20271
20272         Revert
20273         2009-02-13  Richard Guenther  <rguenther@suse.de>
20274
20275         * configure.ac: Enable LFS.
20276         * configure: Re-generate.
20277         * config.in: Likewise.
20278
20279 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20280
20281         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
20282         spu_srqwbyte, spu_srqwbytebc): Define.
20283         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
20284         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
20285         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
20286         "shrqby_<mode>"): New insn-and-split patterns.
20287         * config/spu/spu.c (expand_builtin_args): Determine and return
20288         number of operands using spu_builtin_description data.
20289         (spu_expand_builtin_1): Use it.
20290
20291 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
20292
20293         PR target/38056
20294         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
20295         TARGET_CONST_GP.
20296
20297 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
20298
20299         PR target/39149
20300         * config/i386/i386.c (override_options): Correct warning
20301         messages for -malign-loops, -malign-jumps and -malign-functions.
20302
20303 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
20304
20305         PR target/39152
20306         * config/i386/i386.md: Restrict the new peephole2 to move
20307         between the general purpose registers.
20308
20309 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
20310
20311         PR target/39162
20312         * config/i386/i386.c (type_natural_mode): Add a new argument.
20313         Return the original mode and warn ABI change if vector size is 32byte.
20314         (function_arg_advance): Updated.
20315         (function_arg): Likewise.
20316         (ix86_function_value): Likewise.
20317         (ix86_return_in_memory): Likewise.
20318         (ix86_sol10_return_in_memory): Likewise.
20319         (ix86_gimplify_va_arg): Likewise.
20320         (function_arg_32): Don't warn ABX ABI change here.
20321         (function_arg_64): Likewise.
20322
20323 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
20324
20325         * loop-iv.c (implies_p): In the final case, test that operands 0
20326         of the two comparisons match.
20327
20328         * config/bfin/bfin.c (find_prev_insn_start): New function.
20329         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
20330         (find_next_insn_start): Move.
20331
20332 2009-02-13  Richard Guenther  <rguenther@suse.de>
20333
20334         * configure.ac: Enable LFS.
20335         * configure: Re-generate.
20336         * config.in: Likewise.
20337
20338 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
20339
20340         PR c/35444
20341         * c-parser.c (c_parser_parms_list_declarator): Discard pending
20342         sizes on syntax error after some arguments have been parsed.
20343
20344 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
20345
20346         * doc/invoke.texi (-fira): Remove.
20347
20348 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
20349
20350         * caller-save.c: Replace regclass.c with reginfo.c in comments.
20351         * recog.c: Likewise.
20352         * rtl.h: Likewise.
20353
20354 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
20355
20356         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
20357         (umul_ppmm): Likewise.
20358         (count_leading_zeros): Likewise.
20359         (count_trailing_zeros): Likewise.
20360         (UMUL_TIME): Likewise.
20361
20362 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
20363
20364         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
20365         soft-fp/t-softfp to tmake_file.
20366
20367         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
20368         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
20369         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
20370         IA64_BUILTIN_INFQ]: New.
20371         (ia64_init_builtins): Initialize __builtin_infq,
20372         __builtin_fabsq and __builtin_copysignq if not HPUX.
20373         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
20374         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
20375
20376         * config/ia64/lib1funcs.asm (__divtf3): Define only if
20377         SHARED is defined.
20378         (__fixtfti): Likewise.
20379         (__fixunstfti): Likewise.
20380         (__floattitf): Likewise.
20381
20382         * config/ia64/libgcc-glibc.ver: New.
20383         * config/ia64/t-fprules-softfp: Likewise.
20384         * config/ia64/sfp-machine.h: Likewise.
20385
20386         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
20387         (LIBGCC2_TF_CEXT): Likewise.
20388         (TF_SIZE): Likewise.
20389         (TARGET_INIT_LIBFUNCS): Likewise.
20390
20391         * config/ia64/t-glibc (SHLINB_MAPFILES):
20392         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
20393
20394 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
20395
20396         * config/i386/i386.c (construct_container): Rewrite processing
20397         BLKmode with X86_64_SSE_CLASS.
20398
20399 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
20400
20401         PR target/39152
20402         * config/i386/i386.md: Replace simplify_replace_rtx with
20403         replace_rtx in the new peephole2.
20404
20405 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
20406
20407         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
20408         loop unrolling do not happen at -O2.
20409
20410 2009-02-12  Michael Matz  <matz@suse.de>
20411
20412         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
20413
20414 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
20415
20416         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
20417         for -g3.
20418
20419 2009-02-12  Ben Elliston  <bje@au.ibm.com>
20420
20421         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
20422         patterns when updating the back chain.  Missed in the 2009-02-10
20423         change.
20424
20425 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
20426
20427         * doc/extend.texi (Decimal Floating Types): Update identifier of
20428         draft TR and list of missing support.
20429
20430 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
20431
20432         PR middle-end/39154
20433         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
20434         bit to variable length decl's flags, add it also to its
20435         pointer replacement variable.
20436
20437 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
20438             Jakub Jelinek  <jakub@redhat.com>
20439
20440         PR target/39118
20441         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
20442         (memory_blockage): New expander.
20443         (*memory_blockage): New insn pattern.
20444         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
20445         instead of general blockage at the end of function prologue when
20446         frame pointer is used to access red zone area.  Do not emit blockage
20447         when profiling, it is emitted in generic code.
20448         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
20449         function epilogue when frame pointer is used to access red zone area.
20450
20451 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
20452
20453         PR target/38824
20454         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
20455         by arithmetic with memory operands.
20456         * config/i386/predicates.md (commutative_operator): New.
20457
20458 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
20459
20460         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
20461         bulleted lists.
20462
20463 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
20464
20465         * alias.h (record_alias_subset): Declare.
20466         * alias.c (record_alias_subset): Make global.
20467
20468 2009-02-10  Nick Clifton  <nickc@redhat.com>
20469
20470         * tree-parloops.c: Change license to GPLv3.
20471         * ipa-struct-reorg.c: Change license to GPLv3.
20472         * ipa-struct-reorg.h: Change license to GPLv3.
20473
20474 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
20475
20476         PR c/39084
20477         * c-decl.c (start_struct): Return NULL on error.
20478
20479 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
20480
20481         PR middle-end/39124
20482         * cfgloopmanip.c (remove_path): Call remove_bbs after
20483         cancel_loop_tree, not before it.
20484
20485         PR target/39139
20486         * function.h (struct function): Add has_local_explicit_reg_vars bit.
20487         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
20488         VAR_DECLs were seen.
20489         * tree-ssa-live.c (remove_unused_locals): Recompute
20490         cfun->has_local_explicit_reg_vars.
20491         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
20492         copies or clearings if cfun->has_local_explicit_reg_vars.
20493
20494 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
20495
20496         PR target/39118
20497         * config/i386/i386.c (expand_prologue): Emit blockage at the end
20498         of function prologue when frame pointer is used to access
20499         red zone area.
20500
20501 2009-02-10  Richard Guenther  <rguenther@suse.de>
20502
20503         PR middle-end/39127
20504         * gimplify.c (gimple_regimplify_operands): Always look if
20505         we need to create a temporary.
20506
20507 2009-02-10  Richard Guenther  <rguenther@suse.de>
20508
20509         PR tree-optimization/39132
20510         * tree-loop-distribution.c (todo): New global var.
20511         (generate_memset_zero): Trigger TODO_rebuild_alias.
20512         (tree_loop_distribution): Return todo.
20513
20514 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
20515
20516         PR target/39119
20517         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
20518         (x86_64_reg_class_name): Removed.
20519         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
20520         first one isn't X86_64_SSE_CLASS or any other ones aren't
20521         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
20522         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
20523         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
20524         and 3 X86_64_SSEUP_CLASS.
20525         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
20526         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
20527
20528 2009-02-10  Ben Elliston  <bje@au.ibm.com>
20529
20530         * config/rs6000/rs6000.md (allocate_stack): Always use an update
20531         form instruction to update the stack back chain word, even if the
20532         user has disabled the generation of update instructions.
20533         (movdi_<mode>_update_stack): New.
20534         (movsi_update_stack): Likewise.
20535         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
20536         always use an update form instruction to update the stack back
20537         chain word.
20538
20539 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
20540
20541         PR middle-end/38953
20542         * graphite.c (if_region_set_false_region): After moving a region in
20543         the false branch of a condition, remove the empty dummy basic block.
20544         (gloog): Remove wrong fix for PR38953.
20545
20546 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20547
20548         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
20549         generation due to implicit sign extension.
20550
20551 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
20552
20553         PR middle-end/38981
20554         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
20555         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
20556
20557 2009-02-09  Richard Guenther  <rguenther@suse.de>
20558
20559         PR middle-end/35202
20560         * convert.c (convert_to_real): Disable (float)fn((double)x)
20561         to fnf(x) conversion if errno differences may occur and
20562         -fmath-errno is set.
20563
20564 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
20565
20566         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
20567         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
20568         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
20569
20570 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
20571
20572         PR c/35434
20573         * c-common.c (handle_alias_attribute): Disallow attribute for
20574         anything not a FUNCTION_DECL or VAR_DECL.
20575
20576 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
20577
20578         PR c/39035
20579         * real.c (do_compare): Special-case compare of zero against
20580         decimal float value.
20581
20582 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
20583
20584         PR c/36432
20585         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
20586         as indicating flexible array members unless the field itself is
20587         being declarared as the incomplete array.
20588
20589 2009-02-06  Jan Hubicka  <jh@suse.cz>
20590
20591         PR tree-optimization/38844
20592         * ipa-inline.c (try_inline): Stop inlining recursion when edge
20593         is already inlined.
20594
20595 2009-02-06  Richard Guenther  <rguenther@suse.de>
20596
20597         PR middle-end/38977
20598         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
20599         fork because we may expand it as __gcov_fork.
20600
20601 2009-02-06  Nick Clifton  <nickc@redhat.com>
20602
20603         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
20604
20605 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
20606
20607         PR tree-optimization/35659
20608         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
20609         vn_phi_eq): Shortcut if hashcode does not match.
20610         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
20611         NULL operands.
20612         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
20613         and avoid iterative_hash_expr.
20614         (FOR_EACH_VALUE_ID_IN_SET): New.
20615         (value_id_compare): Remove.
20616         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
20617         sort expressions by value id.
20618
20619 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
20620
20621         PR target/38991
20622         * config/sh/predicates.md (general_movsrc_operand): Don't check
20623         the subreg of system registers here.
20624
20625 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
20626
20627         PR c++/39106
20628         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
20629         on the copied decl.
20630
20631 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
20632
20633         PR rtl-optimization/39110
20634         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
20635         addresses, not aligned ones.
20636
20637 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
20638             Richard Guenther  <rguenther@suse.de>
20639
20640         PR tree-optimization/39100
20641         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
20642         comment says and add edges.
20643
20644 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
20645
20646         PR c/35435
20647         * c-common.c (handle_tls_model_attribute): Ignore attribute for
20648         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
20649
20650 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
20651
20652         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
20653         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
20654         register_bb_in_sese, new_sese, free_sese): Moved.
20655         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
20656         outermost_loop_in_scop, build_scop_iteration_domain,
20657         expand_scalar_variables_ssa_name, get_vdef_before_scop,
20658         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
20659         Use loop_in_sese_p instead of loop_in_scop_p.
20660         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
20661         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
20662         (scopdet_basic_block_info): Fix bug in scop detection.
20663         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
20664         eq_loop_to_cloog_loop): Remove.
20665         (nb_loops_around_loop_in_scop, nb_loop
20666         ref_nb_loops): Moved here...
20667         * graphite.h (ref_nb_loops): ... from here.
20668         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
20669         (loop_domain_dim, loop_iteration_vector_dim): Remove.
20670         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
20671         * testsuite/gcc.dg/graphite/scop-19.c: New
20672
20673 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
20674             Hans-Peter Nilsson  <hp@axis.com>
20675
20676         PR rtl-optimization/37889
20677         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
20678         Move offset handling from PLUS to before the switch.  Use new
20679         arguments when considering SYMBOL_REFs too.
20680         (rtx_addr_can_trap_p): Pass dummy offset and size.
20681         (enum may_trap_p_flags): Remove.
20682         (may_trap_p_1): Pass size from MEM_SIZE.
20683
20684         PR rtl-optimization/38921
20685         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
20686         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
20687         * rtlanal.c (may_trap_after_code_motion_p): Delete.
20688         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
20689
20690 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
20691
20692         AVX Programming Reference (January, 2009)
20693         * config/i386/sse.md (*vpclmulqdq): New.
20694
20695 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
20696
20697         PR tree-optimization/38977
20698         PR gcov-profile/38292
20699         * calls.c (special_function_p): Disregard __builtin_ prefix.
20700
20701 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
20702
20703         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
20704         non-indexable addresses even before reload.
20705
20706 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
20707
20708         PR c/29129
20709         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
20710         as having variable size.  Do not give an error for unnamed
20711         parameters with [*] declarators.  Give a warning for type names
20712         with [*] declarators and mark them as variable size.
20713         * c-parser.c (c_parser_sizeof_expression): Do not give an error
20714         for sizeof applied to [*] type names.
20715
20716 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20717
20718         PR C++/36607
20719         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
20720
20721 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
20722
20723         * gcc.c (process_command): Update copyright notice dates.
20724         * gcov.c (print_version): Likewise.
20725         * gcov-dump.c (print_version): Likewise.
20726         * mips-tfile.c (main): Likewise.
20727         * mips-tdump.c (main): Likewise.
20728
20729 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
20730
20731         PR c/35433
20732         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
20733         for composite type involving a zero-length array type.
20734
20735 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
20736
20737         PR target/35318
20738         * function.c (match_asm_constraints_1): Skip over
20739         initial optional % in the constraint.
20740
20741         PR inline-asm/39059
20742         * c-parser.c (c_parser_postfix_expression): If fixed point is not
20743         supported, don't accept FIXED_CSTs.
20744         * c-decl.c (finish_declspecs): Error if fixed point is not supported
20745         and _Sat is used without _Fract/_Accum.  Set specs->type to
20746         integer_type_node for cts_fract/cts_accum if fixed point is not
20747         supported.
20748
20749 2009-02-02  Catherine Moore  <clm@codesourcery.com>
20750
20751         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
20752
20753 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
20754
20755         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
20756         (ABI_HAS_64BIT_SYMBOLS): Use it.
20757         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
20758
20759 2009-02-02  Paul Brook  <paul@codesourcery.com>
20760
20761         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
20762
20763 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
20764
20765         PR inline-asm/39058
20766         * recog.h (asm_operand_ok): Add constraints argument.
20767         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
20768         recurse on matching constraint.
20769         (check_asm_operands): Pass constraints as 3rd argument to
20770         asm_operand_ok.  Don't look up matching constraint here.
20771         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
20772         to asm_operand_ok.
20773
20774 2009-02-02  Ben Elliston  <bje@au.ibm.com>
20775
20776         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
20777         TARGET_NARROW_VOLATILE_BITFIELD macro names.
20778
20779 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20780
20781         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
20782         information.  Remove some obsolete information.  Reorganize.
20783
20784         * config/pa/fptr.c: Revert license to GPL 2.
20785         * config/pa/milli64.S: Likewise.
20786
20787 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
20788
20789         PR target/38904
20790         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
20791         LIBRARY name in, instead of hard-coding it.
20792         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
20793         extra target make frag to tmake_files according to EH model.
20794         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
20795         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
20796         frags that define makefile variable EH_MODEL appropriately.
20797         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
20798         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
20799         to "-sjlj" according to type of EH configured.
20800         (LIBGCC_SONAME):  Concatenate it to shared library base name.
20801         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
20802         to "_sjlj" according to type of EH configured.
20803         (LIBGCC_SONAME):  Concatenate it to shared library base name.
20804         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
20805         (SHLIB_LINK):  Add missing semicolon to if-else construct.
20806         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
20807         string value of "pe_dll" command-line option.
20808         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
20809         (SHLIB_SONAME):  Use it when overriding t-cygming default.
20810         (SHLIB_IMPLIB):  Override t-cygming default.
20811         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
20812         string value of "pe_dll" command-line option.
20813
20814 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
20815
20816         PR target/38952
20817         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
20818         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
20819
20820 2009-01-31  Richard Guenther  <rguenther@suse.de>
20821
20822         PR tree-optimization/38937
20823         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
20824         computing the transitive closure.
20825
20826 2009-01-30  Richard Guenther  <rguenther@suse.de>
20827
20828         PR tree-optimization/39041
20829         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
20830         Propagate variable indices only if the types match for this stmt.
20831
20832 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
20833
20834         PR target/39013
20835         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
20836         inline but never defined.
20837
20838 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
20839
20840         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
20841         (*insv_h_di_reg_extimm): New insn.
20842         (*insv_l<mode>_reg_extimm): New insn.
20843
20844 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
20845
20846         * config/picochip/picochip.c (flag_conserve_stack): set
20847         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
20848         fconserve-stack. Reduce call-overhead used by inliner.
20849
20850 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
20851
20852         PR/38157
20853         * common.opt (flag_conserve_stack): Initialised to zero.
20854
20855 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
20856
20857         PR/39002
20858         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
20859         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
20860         method.
20861
20862 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
20863
20864         * ira-color.c (allocno_reload_assign): Update comments.
20865         * regmove.c (regmove_optimize): Likewise.
20866
20867         * ra.h: Removed.
20868
20869 2009-01-29  Robert Millan  <rmh@aybabtu.com>
20870
20871         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
20872         * config/i386/kopensolaris-gnu.h: New file.  Undefine
20873         `MD_UNWIND_SUPPORT'.
20874         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
20875
20876 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
20877
20878         PR tree-optimization/39007
20879         * tree-loop-distribution.c (generate_builtin): Use
20880         recompute_dominator to compute the immediate dominator of the
20881         basic block just after the loop.
20882
20883 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
20884
20885         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
20886         (ASM_OUTPUT_DWARF_PCREL): Define.
20887
20888 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
20889
20890         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
20891         * doc/passes.texi: Remove entries about regclass, local-alloc, and
20892         global.  Modify entries about regmove and IRA.
20893
20894         * ra-conflict.c: Remove the file.
20895
20896         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
20897
20898         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
20899         (pass_regclass_init): Rename to pass_reginfo_init.
20900
20901         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
20902
20903         * toplev.h (flag_ira): Remove.
20904
20905         * caller-save.c (setup_save_areas): Remove flag_ira.
20906
20907         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
20908
20909         * global.c: Remove the file.
20910
20911         * opts.c (decode_options): Remove flag_ira.
20912
20913         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
20914
20915         * regmove.c: Modify file description.
20916         (find_use_as_address, try_auto_increment): Define them only if
20917         AUTO_INC_DEC is defined.
20918         (replacement_quality, replace_in_call_usage, fixup_match_1,
20919         stable_and_no_regs_but_for_p): Remove.
20920         (reg_set_in_bb): Make it static.
20921         (regmove_optimize): Remove flag_ira and code which worked for
20922         !flag_ira.
20923
20924         * local-alloc.c: Remove the file.
20925
20926         * common.opt (fira): Remove.
20927
20928         * ira.c: Include except.h.
20929         (eliminable_regset): Move from global.c.
20930         (mark_elimination): Ditto.  Remove flag_ira.
20931         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
20932         equiv_mem_modified, validate_equiv_mem_from_store,
20933         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
20934         contains_replace_regs, memref_referenced_p, memref_used_between_p,
20935         no_equiv, recorded_label_ref): Move from local-alloc.c.
20936         (update_equiv_regs): Ditto.  Make it static.
20937         (print_insn_chain, print_insn_chains): Move it from global.c.
20938         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
20939         (build_insn_chain): Ditto.  Make it static.
20940         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
20941         Rename to init_live_subregs.
20942         (gate_ira): Remove flag_ira.
20943
20944         * regclass.c: Rename reginfo.c.  Change file description.
20945         (FORBIDDEN_INC_DEC_CLASSES): Remove.
20946         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
20947         (init_reg_sets_1): Remove code for evaluation of
20948         reg_class_superclasses and losing_caller_save_reg_set.
20949         (init_regs): Remove init_reg_autoinc.
20950         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
20951         ok_for_base_p_nonstrict): Remove.
20952         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
20953         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
20954         corresponding entries.
20955         (dump_regclass, record_operand_costs, scan_one_insn,
20956         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
20957         record_address_regs, auto_inc_dec_reg_p): Remove.
20958         (gt-regclass.h): Rename to gt-reginfo.h.
20959
20960         * rtl.h (dump_global_regs, retry_global_alloc,
20961         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
20962
20963         * Makefile.in (RA_H): Remove.
20964         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
20965         Rename regclass.o to reginfo.o.
20966         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
20967         gt-reginfo.h.
20968         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
20969         (GTFILES): Rename regclass.c to reginfo.c.
20970
20971         * passes.c (init_optimization_passes): Remove pass_local_alloc and
20972         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
20973
20974         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
20975         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
20976         Remove flag_ira.
20977         (finish_spills): Ditto.  Remove code for !flag_ira.
20978
20979 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
20980
20981         PR middle-end/35854
20982         * doc/invoke.texi (rtl debug options): Complete rewrite.
20983         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
20984         to auto_inc_dec".
20985         * mode-switching.c (pass_mode_switching): Rename pass from
20986         "mode-sw" to "mode_sw".
20987         * except.c (pass_convert_to_eh_ranges): Rename pass from
20988         "eh-ranges" to "eh_ranges".
20989         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
20990         to "subreg1".
20991
20992
20993 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
20994             Alexander Monakov  <amonakov@ispras.ru>
20995
20996         PR middle-end/38857
20997         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
20998         register.
20999         (move_exprs_to_boundary): Change return type and pass through
21000         should_move from move_op.  Relax assert.  Update usage ...
21001         (schedule_expr_on_boundary): ... here.  Use should_move instead of
21002         cant_move.
21003         (move_op_orig_expr_found): Indicate that insn was disconnected from
21004         stream.
21005         (code_motion_process_successors): Do not call after_merge_succs
21006         callback if original expression was not found when traversing any of
21007         the branches.
21008         (code_motion_path_driver): Change return type.  Update prototype.
21009         (move_op): Update comment.  Add a new parameter (should_move).  Update
21010         prototype.  Set *should_move based on indication provided by
21011         move_op_orig_expr_found.
21012
21013 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
21014
21015         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
21016         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
21017         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
21018         * config/rs6000/rs6000.c (rs6000_override_options): Default
21019         avoid-indexed-addresses on for Power6, off for everything else.
21020         (avoiding_indexed_address_p): New function.
21021         (rs6000_legitimize_address): Use it.
21022         (rs6000_legitimate_address): Likewise.
21023         * config/rs6000/rs6000.md (movXX_updateX): Likewise
21024
21025 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
21026
21027         PR tree-optimization/38997
21028         * tree-loop-distribution.c (generate_memset_zero): Use
21029         POINTER_PLUS_EXPR for a pointer addition.
21030
21031 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
21032
21033         * config/s390/s390.md (bswap<mode>2): New pattern added.
21034
21035 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
21036
21037         * config/s390/s390.md (*tls_load_31): Added type attribute.
21038
21039 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
21040
21041         * config/s390/s390.md: Fix a few comments.
21042
21043 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
21044
21045         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
21046         (*tm<mode>_full): Fixed z10prop attribute.
21047         (*tst<mode>_extimm): Fixed z10prop attribute.
21048         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
21049         (*tstqiCCT_cconly): Fixed z10prop attribute.
21050         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
21051         (*movsi_larl): Fixed z10prop attribute.
21052         (*movsi_zarch): Fixed z10prop attribute.
21053         (*movsi_eas): Fixed z10prop attribute.
21054         (*movhi): Fixed z10prop attribute.
21055         (*movqi): Fixed z10prop attribute.
21056         (*movstrictqi): Fixed z10prop attribute.
21057         (*mov<mode>): Fixed z10prop attribute.
21058         (*movcc): Fixed z10prop attribute.
21059         (*sethighpartdi_64): Fixed z10prop attribute.
21060         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
21061         (*negdi2_sign_cc): Fixed z10prop attribute.
21062         (*negdi2_sign): Fixed z10prop attribute.
21063         (*absdi2_sign_cc): Fixed z10prop attribute.
21064         (*absdi2_sign): Fixed z10prop attribute.
21065         (*negabsdi2_sign_cc): Fixed z10prop attribute.
21066         (*negabsdi2_sign): Fixed z10prop attribute.
21067         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
21068         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
21069         (doloop_si64): Fixed z10prop attribute.
21070         (doloop_si31): Fixed z10prop attribute.
21071         (doloop_long): Fixed z10prop attribute.
21072         (indirect_jump): Fixed z10prop attribute.
21073         (nop): Fixed z10prop attribute.
21074         (main_base_64): Fixed z10prop attribute.
21075         (reload_base_64): Fixed z10prop attribute.
21076
21077 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
21078
21079         PR rtl-optimization/38740
21080         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
21081         if !optimize.
21082         * config/mips/mips.c (mips_reorg): Likewise.
21083
21084 2009-01-28  Richard Guenther  <rguenther@suse.de>
21085
21086         PR tree-optimization/38926
21087         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
21088         with the correct value id to a value.
21089         (do_regular_insertion): Use the value number of edoubleprime
21090         for the value number of the expr.
21091
21092         Revert
21093         2008-08-21  Richard Guenther  <rguenther@suse.de>
21094
21095         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
21096         a PHI ask VN if it is already available.
21097         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
21098         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
21099
21100 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
21101
21102         PR middle-end/38934
21103         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
21104         set to varying whenever max has TREE_OVERFLOW set, similarly
21105         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
21106
21107 2009-01-28  Richard Guenther  <rguenther@suse.de>
21108
21109         PR middle-end/38908
21110         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
21111         uninitialized aggregate uses in call arguments.
21112
21113 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
21114
21115         PR tree-optimization/38984
21116         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
21117         the nothing_id variable if -fno-delete-null-pointer-checks.
21118
21119 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
21120
21121         PR target/38988
21122         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
21123         (set_got_offset_rex64): Ditto.
21124
21125 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
21126
21127         PR target/38941
21128         * doc/extend.texi: Improve local variable with asm reg.
21129
21130 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
21131
21132         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
21133         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
21134         was not supplied then set warn_packed_bitfield_compat to the
21135         default value of 1.
21136         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
21137         against 1.
21138
21139 2009-01-27  Richard Guenther  <rguenther@suse.de>
21140
21141         PR tree-optimization/38503
21142         * cfgexpand.c (expand_gimple_basic_block): Ignore
21143         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
21144         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
21145         variables that cannot have TBAA applied.
21146         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
21147         statements.
21148
21149 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
21150
21151         PR middle-end/38969
21152         * calls.c (initialize_argument_information): Do not wrap complex
21153         arguments in SAVE_EXPR.
21154
21155 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
21156
21157         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
21158         (INSTALL_LIBGCC): Revert typo commit.
21159
21160 2009-01-26  Richard Guenther  <rguenther@suse.de>
21161
21162         PR tree-optimization/38745
21163         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
21164         from special handling.
21165
21166 2009-01-26  Richard Guenther  <rguenther@suse.de>
21167
21168         PR tree-optimization/38745
21169         * tree-ssa.c (execute_update_addresses_taken): Do not include
21170         variables that cannot possibly be a register in not_reg_needs.
21171         Do not clear TREE_ADDRESSABLE on vars that may not become
21172         registers.
21173         * tree-ssa.c (update_alias_info_1): Include those in the set
21174         of addressable vars.
21175
21176 2009-01-26  Richard Guenther  <rguenther@suse.de>
21177
21178         PR middle-end/38851
21179         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
21180         * tree-ssa-dse.c: Include langhooks.h
21181         (execute_simple_dse): Remove stores with zero size.
21182
21183 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
21184
21185         PR c/38957
21186         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
21187         as PLUS_EXPR.
21188
21189 2009-01-24  Julian Brown  <julian@codesourcery.com>
21190
21191         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
21192         config/arm/linux-atomic.c.
21193         * config/arm/linux-atomic.c: New.
21194
21195 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
21196
21197         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
21198         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
21199         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
21200
21201 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
21202
21203         PR c/38938
21204         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
21205         properly.
21206
21207 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
21208
21209         PR tree-optimization/38953
21210         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
21211         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
21212         (gloog): Split the exit of the scop when the scop exit is a loop exit.
21213         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
21214         changed the CFG.
21215
21216 2009-01-24  Paul Brook  <paul@codesourcery.com>
21217
21218         * config/arm/neon.md (neon_type): Move to arm.md.
21219         (neon_mov<VSTRUCT>): Add neon_type attribute.
21220         * config/arm/arm.md (neon_type): Move to here.
21221         (conds): Add "unconditioal" and use as default for NEON insns.
21222
21223 2009-01-24  Ben Elliston  <bje@au.ibm.com>
21224
21225         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
21226         void *' warning from -Wc++-compat.
21227         * Makefile.in (dominance.o-warn): Remove.
21228
21229 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
21230
21231         PR tree-optimization/38932
21232         * fold-const.c (fold_unary_ignore_overflow): New.
21233         * tree.h (fold_unary_ignore_overflow): Declare.
21234         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
21235         * tree-ssa-sccvn.c (visit_reference_op_load,
21236         simplify_unary_expression): Likewise.
21237
21238 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
21239
21240         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
21241         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
21242         regardless of their type.
21243         * c-common.c (handle_packed_attribute): Don't ignore packed on
21244         bitfields.
21245         * c.opt (Wpacked-bitfield-compat): New warning option.
21246         * stor-layout.c (place_field): Warn if offset of a field changed.
21247         * doc/extend.texi (packed): Mention the ABI change.
21248         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
21249         (Warning Options): Add it to the list.
21250
21251 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
21252
21253         * c-opts.c (c_common_post_options): Fix a typo in comments.
21254
21255 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
21256
21257         PR middle-end/38615
21258         * gimplify.c (gimplify_init_constructor): Fix promotion of const
21259         variables to static.
21260         * doc/invoke.texi (-fmerge-all-constants): Update description.
21261
21262 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
21263
21264         PR target/38931
21265         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
21266         (*movdi_1_rex64): Use type "mmx" for alternative 5.
21267
21268 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
21269
21270         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
21271         a word boundary.
21272         (LOCAL_ALIGNMENT): Similarly.
21273
21274 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
21275             Joseph Myers  <joseph@codesourcery.com>
21276
21277         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
21278         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
21279         * config/arm/arm-tune.md: Regenerate.
21280         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
21281         -march=iwmmxt2.
21282
21283 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
21284
21285         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
21286         version number to five.
21287
21288 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
21289
21290         PR c++/38930
21291         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
21292         * c-common.c (set_underlying_type): Likewise.
21293         (is_typedef_decl ): Likewise
21294         * tree.h: Likewise
21295         (set_underlying_type): Likewise.
21296         (is_typedef_type): Likewise.
21297
21298 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
21299
21300         PR middle-end/38587
21301         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
21302         crossing setjmps.
21303
21304 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
21305
21306         PR bootstrap/37660
21307         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
21308         (LIBGCC_SPEC):  Don't define.
21309         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
21310
21311 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
21312
21313         PR rtl-optimization/38879
21314         * alias.c (base_alias_check): Unaligned access via AND address can
21315         alias all surrounding object types except those with sizes equal
21316         or wider than the size of unaligned access.
21317
21318 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
21319
21320         PR c++/26693
21321         * c-decl.c (clone_underlying_type): Move this ...
21322         * c-common.c (set_underlying_type): ... here.
21323         Also, make sure the function properly sets TYPE_STUB_DECL() on
21324         the newly created typedef variant type.
21325         (is_typedef_decl ): New entry point.
21326         * tree.h: Added a new member member_types_needing_access_check to
21327         struct tree_decl_non_common.
21328         (set_underlying_type): New entry point.
21329         (is_typedef_type): Likewise.
21330
21331 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
21332
21333         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
21334         Check whether two instructions have memory references that
21335         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
21336         are helper functions for traversing.
21337         * alias.h (insn_alias_sets_confilict_p): New prototypes.
21338         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
21339         not to draw dependency edge for instructions with non-conflicting
21340         alias sets.
21341
21342 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
21343
21344         PR other/38758
21345         * longlong.h: Update copyright years.  Use soft-fp license notice.
21346         Sync __clz_tab declaration with glibc.
21347
21348 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
21349
21350         PR target/30687
21351         * doc/extend.texi (syscall_linkage): New.
21352         (version_id): Modify.
21353
21354 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21355             Richard Guenther  <rguenther@suse.de>
21356
21357         PR tree-optimization/38747
21358         PR tree-optimization/38748
21359         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
21360         conversion if the base address is an indirect reference and the
21361         aliasing sets could cause issues.
21362
21363 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
21364
21365         * common.opt (fgraphite, fgraphite-identity): Add comment for
21366         explaining why these options are not documented.
21367
21368 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
21369
21370         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
21371         gimple_call_lhs is NULL.
21372
21373 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
21374
21375         PR target/38868
21376         * emit-rtl.c (adjust_address_1): Make sure memref is never
21377         overwritten.
21378
21379 2009-01-20  Ben Elliston  <bje@au.ibm.com>
21380
21381         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
21382         const qualifier from arg parameter. Remove unnecessary cast to char *.
21383         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
21384         const qualifier from arg 2.
21385
21386 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
21387
21388         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
21389
21390 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
21391
21392         PR c/38869
21393         * rtl.h (reinit_regs): New prototype.
21394         * regclass.c: Include ira.h.
21395         (reinit_regs): New.
21396         * Makefile.in (regclass.o): Add ira.h.
21397         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
21398
21399 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
21400
21401         PR target/38736
21402         * c-common.c (handle_aligned_attribute): Use
21403         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
21404         default alignment value.
21405
21406         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
21407
21408         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
21409         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
21410
21411         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
21412         __BIGGEST_ALIGNMENT__.
21413
21414         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
21415
21416 2009-01-18  Richard Guenther  <rguenther@suse.de>
21417
21418         PR tree-optimization/38819
21419         * tree-flow.h (operation_could_trap_helper_p): Declare.
21420         * tree-eh.c (operation_could_trap_helper_p): Export.
21421         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
21422         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
21423         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
21424         are about to insert a possibly trapping instruction and fail
21425         in this case.
21426
21427 2009-01-18  Andreas Schwab  <schwab@suse.de>
21428
21429         * doc/install.texi (Configuration): Remove obsolete paragraph
21430         about use of --with-gnu-ld with --with-gnu-as.
21431
21432 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
21433
21434         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
21435         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
21436         Follow spelling conventions.
21437
21438 2009-01-18  Ben Elliston  <bje@au.ibm.com>
21439
21440         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
21441         C++ warning about implicit conversion from void * to struct
21442         bitmap_head_def *.
21443         (bitmap_obstack_free): Likewise for bitmap_element *.
21444         * Makefile.in (bitmap.o-warn): Remove.
21445
21446 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
21447
21448         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
21449
21450 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
21451             Tobias Grosser  <tobi.grosser@amd.com>
21452
21453         * graphite.c (graphite_trans_scop_block): Do not block single
21454         nested loops.
21455
21456 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
21457
21458         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
21459         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
21460         test with assertion.
21461
21462 2009-01-16  Richard Guenther  <rguenther@suse.de>
21463
21464         PR tree-optimization/38835
21465         PR middle-end/36227
21466         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
21467         and INT + PTR -> (INT)(PTR p+ INT) folding.
21468         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
21469
21470 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
21471
21472         PR target/38554
21473         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
21474         the subreg from a lowpart subreg if it is also casting the value.
21475
21476 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
21477             Tobias Grosser  <tobi.grosser@amd.com>
21478
21479         * graphite.c (compare_prefix_loops): New.
21480         (build_scop_canonical_schedules): Rewritten.
21481         (graphite_transform_loops): Move build_scop_canonical_schedules
21482         after build_scop_iteration_domain.
21483
21484 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
21485             Tobias Grosser  <tobi.grosser@amd.com>
21486
21487         * graphite.c (add_conditions_to_domain): Add the loops to
21488         the dimension of the iteration domain.  Do copy the domain
21489         only when it exists.
21490         (build_scop_conditions_1): Do not call add_conditions_to_domain.
21491         (add_conditions_to_constraints): New.
21492         (can_generate_code_stmt, can_generate_code): Removed.
21493         (gloog): Do not call can_generate_code.
21494         (graphite_transform_loops): Call add_conditions_to_constraints
21495         after building the iteration domain.
21496
21497 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
21498
21499         PR tree-optimization/38789
21500         * tree-ssa-threadedge.c
21501         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
21502         __builtin_constant_p.
21503
21504 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
21505
21506         * dce.c (delete_unmarked_insns): Reversed the order that insns are
21507         examined before deleting them.
21508
21509 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
21510
21511         * function.c (aggregate_value_p): Correctly extract the function
21512         type from CALL_EXPR_FN lookup.
21513
21514 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
21515
21516         * config/picochip/picochip.c (picochip_override_options): Revert
21517         CFI asm flag disable commited previously.
21518
21519 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
21520             Tobias Grosser  <tobi.grosser@amd.com>
21521             Jan Sjodin  <jan.sjodin@amd.com>
21522
21523         * graphite.c (scan_tree_for_params): On substractions negate
21524         all the coefficients of the term.
21525         (clast_to_gcc_expression_red): New.  Handle reduction expressions
21526         of more than two operands.
21527         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
21528         (get_vdef_before_scop): Handle also the case of default definitions.
21529
21530 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
21531
21532         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
21533         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
21534         Also use them when walking CALL_INSN_FUNCTION_USAGE.
21535
21536 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
21537             Joey Ye  <joey.ye@intel.com>
21538
21539         PR middle-end/37843
21540         * cfgexpand.c (expand_stack_alignment): Don't update stack
21541         boundary nor check incoming stack boundary here.
21542         (gimple_expand_cfg): Update stack boundary and check incoming
21543         stack boundary here.
21544
21545 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
21546
21547         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
21548
21549 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
21550
21551         PR rtl-optimization/38245
21552         * calls.c (expand_call): Add stack arguments to
21553         CALL_INSN_FUNCTION_USAGE even for pure calls (when
21554         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
21555         in regs and partially in memory or BLKmode arguments.
21556         (emit_library_call_value_1): Add stack arguments to
21557         CALL_INSN_FUNCTION_USAGE even for pure calls (when
21558         ACCUMULATE_OUTGOING_ARGS).
21559         * dce.c: Include tm_p.h.
21560         (find_call_stack_args): New function.
21561         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
21562         argument.
21563         (mark_insn): Call find_call_stack_args for CALL_Ps.
21564         (prescan_insns_for_dce): Walk insns backwards in bb rather than
21565         forwards.  Allocate and free arg_stores bitmap if needed, pass it
21566         down to deletable_insn_p, don't mark stores set in arg_stores
21567         bitmap, clear the bitmap at the beginning of each bb.
21568         * Makefile.in (dce.o): Depend on $(TM_P_H).
21569
21570 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
21571
21572         PR target/22599
21573         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
21574         to make sure the insn is a conditional test (bug 22599).  Reformat a
21575         few long lines.
21576
21577 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
21578
21579         PR middle-end/38431
21580         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
21581         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
21582         (gloog): Do not call cleanup_tree_cfg.
21583         (graphite_transform_loops): Call cleanup_tree_cfg after all
21584         scops have been code generated.
21585
21586 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
21587         * doc/gty.texi (Invoking the garbage collector): Added new node
21588         and section documenting ggc_collect.
21589
21590 2009-01-14  Richard Guenther  <rguenther@suse.de>
21591
21592         PR tree-optimization/38826
21593         PR middle-end/38477
21594         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
21595         initialization notes only if we actually emitted a warning.
21596         (intra_create_variable_infos): Add constraints for a result decl
21597         that is passed by hidden reference.
21598         (build_pred_graph): Mark all related variables non-direct on
21599         address-taking.
21600
21601 2009-01-14  Nick Clifton  <nickc@redhat.com>
21602
21603         * ira-conflicts.c: Include addresses.h for the definition of
21604         base_reg_class.
21605         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
21606         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
21607
21608 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
21609
21610         PR target/38811
21611         * Makefile.in (ira-lives.o): Add except.h.
21612
21613         * ira-lives.c: Include except.h.
21614         (process_bb_node_lives): Process can_throw_internal.
21615
21616 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
21617
21618         PR rtl-optimization/38774
21619         * combine.c (simplify_set): When undoing cc_use change, don't do
21620         PUT_CODE on the newly created comparison, but instead put back the
21621         old comparison.
21622
21623 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
21624
21625         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
21626         values.  Remove duplicate arm8 entry.
21627
21628 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
21629
21630         PR tree-optimization/38786
21631         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
21632         the SSA_NAME case of expand_scalar_variables_expr.
21633         Set the type of an expression to the type of its assign statement.
21634         (expand_scalar_variables_expr): Also gather the scalar computation
21635         used to index the memory access.  Do not pass loop_p.
21636         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
21637         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
21638         the gimple_stmt_iterator where it inserts new code.
21639         Do not pass loop_p.
21640         (copy_bb_and_scalar_dependences): Do not pass loop_p.
21641         (translate_clast): Update call to copy_bb_and_scalar_dependences.
21642
21643 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
21644
21645         * graphite.h (debug_value): Removed.
21646         * graphite.c (debug_value): Removed.
21647
21648 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
21649
21650         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
21651         ldrd/strd with two 32-bit instructions.
21652
21653 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
21654
21655         * config/arm/arm.c (struct processors): Pass for speed down into
21656         cost helper functions.
21657         (const_ok_for_op): Handle COMPARE and inequality nodes.
21658         (arm_rtx_costs_1): Rewrite.
21659         (arm_size_rtx_costs): Update prototype.
21660         (arm_rtx_costs): Pass speed down to helper functions.
21661         (arm_slowmul_rtx_costs): Rework cost calculations.
21662         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
21663         (arm_9e_rtx_costs): Likewise.
21664
21665 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
21666
21667         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
21668         relocations of local symbols wider than UNITS_PER_WORD are not valid.
21669         (alpha_legitimize_address): Do not split local symbols wider than
21670         UNITS_PER_WORD into HIGH/LO_SUM parts.
21671
21672 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
21673
21674         PR bootstrap/38580
21675         * gcc.c (process_command): Replace call to execvp with calls
21676         to pex_one and exit.
21677
21678 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
21679
21680         PR target/29141
21681         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
21682         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
21683         variant for devices with 3-byte PC.
21684         (__tablejump_elpm__): New.
21685
21686 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
21687
21688         PR c/32041
21689         * c-parser.c (c_parser_postfix_expression): Allow `->' in
21690         offsetof member-designator, handle it as `[0].'.
21691
21692 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21693
21694         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
21695         function when not using named sections on targets with named sections
21696         if branch distance is less than 262132.
21697
21698 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
21699
21700         * combine.c (combine_instructions):  Recompute
21701         optimize_this_for_speed_p  for each BB in the main combine loop.
21702
21703 2009-01-12  Tomas Bily  <tbily@suse.cz>
21704
21705         PR middlend/38385
21706         * tree-loop-distribution.c (prop_phis): New function.
21707         (generate_builtin): Call prop_phis.
21708         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
21709
21710 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
21711
21712         PR tree-optimization/38807
21713         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
21714         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
21715
21716 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
21717
21718         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
21719         subreg of op0 to the original op0.
21720
21721 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
21722
21723         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
21724
21725 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
21726
21727         PR debug/7055
21728         * mips-tfile.c (parse_def): Fix parsing of def strings
21729         starting with digits.
21730
21731 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
21732
21733         PR target/38695
21734         * config/arm/arm.c (arm_is_long_call_p): Don't call
21735         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
21736
21737 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
21738
21739         * regrename.c (regrename_optimize): Fix dumping.
21740         (find_oldest_value_reg): Preserve REG_POINTER.
21741         (copy_hardreg_forward_1): Likewise.
21742
21743 2009-01-09  Diego Novillo  <dnovillo@google.com>
21744
21745         * gimple.h (struct gimple_statement_base) <uid>: Document
21746         the restrictions on its use.
21747         (gimple_uid): Tidy.
21748         (gimple_set_uid): Tidy.
21749
21750 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
21751
21752         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
21753         zero guard even if align_bytes != 0 and count is smaller than
21754         size_needed.
21755
21756 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
21757
21758         PR rtl-optimization/38495
21759         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
21760         (add_range_and_copies_from_move_list): Print all added ranges.
21761         Add ranges to memory optimized destination.
21762
21763 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
21764
21765         PR target/38686
21766         PR target/38708
21767         * config/i386/i386.c (override_options): Reject
21768         -mstringop-strategy=rep_8byte with -m32.
21769         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
21770         to 1.  Do count comparison against epilogue_size_needed at compile
21771         time even when count_exp was constant forced into register.  For
21772         size_needed don't jump to epilogue, instead just avoid aligning
21773         and invoke the body algorithm.  If need_zero_guard, add zero guard
21774         even if count is non-zero, but smaller than size_needed + number of
21775         bytes that could be stored for alignment.
21776         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
21777         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
21778         but smaller than size_needed + number of bytes that could be stored
21779         for alignment.  Compare size_needed with epilogue_size_needed instead
21780         of desired_align - align, don't adjust size_needed, pass
21781         epilogue_size_needed to the epilogue expanders.
21782
21783         PR c/35742
21784         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
21785
21786 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21787
21788         * pa.c (last_address): Change to unsigned.
21789         (update_total_code_bytes): Change argument to unsigned.  Don't
21790         check if insn addresses are set.
21791         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
21792         addresses are not set.
21793         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
21794
21795 2009-01-09  Nick Clifton  <nickc@redhat.com>
21796
21797         * config/sh/symbian.c: Replace uses of DECL_INLINE with
21798         DECL_DECLARED_INLINE_P.
21799
21800 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
21801
21802         PR middle-end/38347
21803         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
21804         GET_MODE (op0) in operand_subword_force calls.
21805
21806         PR middle-end/38771
21807         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
21808         fold_convert arg0 operands to TREE_TYPE (op0) first.
21809
21810 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
21811
21812         * params.def (ira-max-conflict-table-size): Decrease default value
21813         to 1000.
21814
21815 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
21816
21817         PR tree-optimization/37031
21818         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
21819         on parameter_set.
21820         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
21821         allocate it using gc instead of heap, use VEC_quick_push instead of
21822         VEC_safe_push.
21823         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
21824         instead of heap, use VEC_quick_push instead of VEC_safe_push.
21825         * tree-data-ref.h (struct access_matrix): Change matrix to gc
21826         allocated vector from heap allocated.
21827         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
21828         * tree-loop-linear.c (linear_transform_loops): Allocate nest
21829         vector only after perfect_loop_nest_depth call.
21830
21831 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
21832             Jan Sjodin  <jan.sjodin@amd.com>
21833
21834         PR tree-optimization/38559
21835         * graphite.c (debug_value, copy_constraint,
21836         swap_constraint_variables, scale_constraint_variable, ): New.
21837         (get_lower_bound, get_upper_bound): Removed.
21838         (graphite_trans_bb_strip_mine): Clean up this code that works
21839         only for constant number of iterations.  Fully copy upper and
21840         lower bound constraints, not only the constant part of them.
21841         * graphite.h (debug_value): Declared.
21842
21843 2009-01-08  Ira Rosen  <irar@il.ibm.com>
21844
21845         PR tree-optimization/37194
21846         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
21847         Don't add the cost of cost model guard in prologue to scalar
21848         outside cost in case of known number of iterations.
21849
21850 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
21851             Alan Modra  <amodra@bigpond.net.au>
21852
21853         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
21854         non-word-aligned REG+CONST addressing.
21855
21856 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
21857
21858         PR target/38706
21859         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
21860         free_after_compilation when outputting a thunk.
21861         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
21862         Do not call free_after_compilation here.
21863
21864 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
21865
21866         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
21867         (ix86_valid_target_attribute_inner_p): Ditto.
21868
21869 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
21870
21871         PR tree-optimization/38492
21872         PR tree-optimization/38498
21873         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
21874         * tree-chrec.h (scev_is_linear_expression): Declared.
21875         * graphite.c (graphite_cannot_represent_loop_niter): New.
21876         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
21877         (graphite_loop_normal_form): Use gcc_assert.
21878         (scan_tree_for_params): Use CASE_CONVERT.
21879         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
21880         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
21881         Use gcc_assert.  Discard scops that contain unhandled cases.
21882         (build_scop_conditions): Return a boolean status for unhandled cases.
21883         (strip_mine_profitable_p): Print the loop number, not its depth.
21884         (is_interchange_valid): Pass the depth of the loop nest, don't
21885         recompute it wrongly.
21886         (graphite_trans_bb_block): Same.
21887         (graphite_trans_bb_block): Print tentative of loop blocking.
21888         (graphite_trans_scop_block): Do not print that the loop has been
21889         blocked.
21890         (graphite_transform_loops): Do not handle scops that contain condition
21891         scalar phi nodes.
21892
21893 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
21894
21895         AVX Programming Reference (December, 2008)
21896         * config/i386/avxintrin.h (_mm256_stream_si256): New.
21897         (_mm256_stream_pd): Likewise.
21898         (_mm256_stream_ps): Likewise.
21899
21900         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
21901         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
21902         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
21903         (bdesc_special_args): Add __builtin_ia32_movntdq256,
21904         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
21905         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
21906         (ix86_expand_special_args_builtin): Likewise.
21907
21908         * config/i386/sse.md (AVXMODEDI): New.
21909         (avx_movnt<mode>): Likewise.
21910         (avx_movnt<mode>): Likewise.
21911         (<sse>_movnt<mode>): Remove AVX support.
21912         (sse2_movntv2di): Likewise.
21913
21914 2009-01-07  Richard Guenther  <rguenther@suse.de>
21915
21916         PR middle-end/38751
21917         * fold-const.c (extract_muldiv): Remove obsolete comment.
21918         (fold_plusminus_mult_expr): Undo MINUS_EXPR
21919         to PLUS_EXPR canonicalization for the canonicalization.
21920
21921 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
21922
21923         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
21924         hosted cross-compilers generating less efficient code.
21925
21926 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
21927
21928         * function.h (rtl_data): Add a dbr_scheduled_p field.
21929         * reorg.c (dbr_schedule): Set it.
21930         (gate_handle_delay_slots): Check it.
21931         * config/mips/mips.c (mips_base_delayed_branch): Delete.
21932         (mips_reorg): Check flag_delayed_branch instead of
21933         mips_base_delayed_branch.
21934         (mips_override_options): Don't set mips_base_delayed_branch
21935         or flag_delayed_branch.
21936
21937 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
21938
21939         PR rtl-optimization/38426.
21940         * ira.c (ira): Set current_function_is_leaf earlier.
21941
21942 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
21943
21944         PR rtl-optimization/38722
21945         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
21946         too early, only set a flag and modify after last possible
21947         undo_all point.
21948
21949 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
21950
21951         PR c/34252
21952         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
21953         * real.c (decimal_single_format): Correct values of emin and emax.
21954         (decimal_double_format): Ditto.
21955         (decimal_quad_format): Ditto.
21956         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
21957         computation of DECnn_MIN and DECnn_MAX for corrected values of
21958         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
21959         __DECnn_MIN__, and adjust its computation for the corrected value
21960         of emin.
21961
21962 2009-01-06  Jan Hubicka  <jh@suse.cz>
21963
21964         PR target/38744
21965         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
21966
21967 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
21968
21969         * doc/contrib.texi (Contributors): Slightly adjust the end note.
21970         Add Robert Clark to the list of testers.
21971
21972 2009-01-06  Jan Hubicka  <jh@suse.cz>
21973             Kai Tietz  <kai.tietz@onevision.com>
21974
21975         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
21976         * config/i386/i386.c (ix86_expand_call): Add clobbers.
21977
21978 2009-01-06  Jan Hubicka  <jh@suse.cz>
21979             Kai Tietz  <kai.tietz@onevision.com>
21980
21981         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
21982         for w64 ABI.
21983         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
21984         (ix86_nsaved_regs): Count only general purpose regs.
21985         (ix86_nsaved_sseregs): New.
21986         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
21987         to 16 for w64; compute padding and size of sse reg save area.
21988         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
21989         general purpose regs.
21990         (ix86_emit_save_sse_regs_using_mov): New.
21991         (ix86_expand_prologue): Save SSE regs if needed.
21992         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
21993         (ix86_emit_restore_sse_regs_using_mov): New.
21994         (ix86_expand_epilogue): Save SSE regs if needed.
21995
21996 2009-01-06  Jan Hubicka  <jh@suse.cz>
21997             Kai Tietz  <kai.tietz@onevision.com>
21998
21999         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
22000         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
22001         functions when accumulate outgoing args is off.
22002
22003 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
22004
22005         PR bootstrap/38742
22006         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
22007         before using pseudos_have_intersected_live_ranges_p.
22008
22009         * ira-int.h (ira_assert): Always define.
22010
22011 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
22012
22013         AVX Programming Reference (December, 2008)
22014         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
22015         (_mm256_permute2_pd): Likewise.
22016         (_mm_permute2_ps): Likewise.
22017         (_mm256_permute2_ps): Likewise.
22018         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
22019         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
22020
22021         * config/i386/i386.c (ix86_builtins): Remove
22022         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
22023         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
22024         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
22025         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
22026         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
22027         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
22028         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
22029         __builtin_ia32_vpermil2ps256.
22030         (ix86_init_mmx_sse_builtins): Updated.
22031         (ix86_expand_args_builtin): Likewise.
22032
22033 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22034
22035         * pa.c (output_call): Relocate non-jump insns in the delay slot of
22036         long absolute calls when generating PA 2.0 code.
22037
22038 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
22039
22040         PR rtl-optimization/38583
22041         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
22042
22043         * params.def (ira-max-conflict-table-size): New.
22044
22045         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
22046
22047         * ira.h (ira_conflicts_p): New external definition.
22048
22049         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
22050         table.  Report this.  Return result of building.
22051         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
22052         building conflict table.
22053
22054         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
22055         (ira_color): Use ira_conflicts_p.
22056
22057         * global.c: Include ira.h.
22058         (pseudo_for_reload_consideration_p, build_insn_chain): Use
22059         ira_conflicts_p.
22060
22061         * Makefile.in (global.o): Add ira.h.
22062
22063         * ira-build.c (mark_all_loops_for_removal,
22064         propagate_some_info_from_allocno): New.
22065         (remove_unnecessary_allocnos): Call
22066         propagate_some_info_from_allocno.
22067         (remove_low_level_allocnos): New.
22068         (remove_unnecessary_regions): Add parameter.  Call
22069         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
22070         parameter to remove_unnecessary_regions.
22071         (ira_build): Remove all regions but root if the conflict table was
22072         not built.  Update conflict hard regs for allocnos crossing calls.
22073
22074         * ira.c (ira_conflicts_p): New global.
22075         (ira): Define and use ira_conflicts_p.
22076
22077         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
22078         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
22079         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
22080
22081 2009-01-06  Ben Elliston  <bje@au.ibm.com>
22082
22083         * gengtype-lex.l (YY_NO_INPUT): Define.
22084
22085 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22086
22087         PR c/34911
22088         * c-common.c (handle_vector_size_attribute): Also reject
22089         BOOLEAN_TYPE types.
22090
22091 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
22092
22093         PR tree-optimization/38492
22094         * graphite.c (rename_map_elt, debug_rename_elt,
22095         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
22096         rename_map_elt_info, eq_rename_map_elts,
22097         get_new_name_from_old_name, bb_in_sese_p): Moved around.
22098         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
22099         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
22100         (sese_build_livein_liveouts): New.
22101         (new_sese, free_sese): New.
22102         (new_scop): Call new_sese.
22103         (free_scop): Call free_sese.
22104         (rename_variables_from_edge, rename_phis_end_scop): Removed.
22105         (register_old_new_names): Renamed register_old_and_new_names.
22106         (register_scop_liveout_renames, add_loop_exit_phis,
22107         insert_loop_close_phis, struct igp,
22108         default_liveout_before_guard, add_guard_exit_phis,
22109         insert_guard_phis, copy_renames): New.
22110         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
22111         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
22112         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
22113         (scop_adjust_phis_for_liveouts): New.
22114         (gloog): Call scop_adjust_phis_for_liveouts.
22115
22116         * graphite.h (struct sese): Documented.  Added fields liveout,
22117         num_ver and livein.
22118         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
22119         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
22120         (struct scop): Added field liveout_renames.
22121         (SCOP_LIVEOUT_RENAMES): New.
22122
22123 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
22124
22125         PR tree-optimization/38510
22126         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
22127         (translate_clast): Call recompute_all_dominators before
22128         graphite_verify.
22129         (gloog): Call recompute_all_dominators before graphite_verify.
22130
22131 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
22132             Jan Sjodin  <jan.sjodin@amd.com>
22133
22134         PR tree-optimization/38500
22135         * graphite.c (create_sese_edges): Call fix_loop_structure after
22136         splitting blocks.
22137
22138 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
22139
22140         * config.gcc: Add m32r*-*-rtems*.
22141         * config/m32r/rtems.h: New file.
22142
22143 2009-01-05  Ben Elliston  <bje@au.ibm.com>
22144
22145         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
22146         (.po.pox): Likewise.
22147         (po/gcc.pot): Likewise.
22148
22149 2009-01-04  David S. Miller  <davem@davemloft.net>
22150
22151         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
22152         (STARTING_FRAME_OFFSET): Always set to zero.
22153
22154 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
22155
22156         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
22157         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
22158         fixed-point types, and vectors of the same.
22159
22160 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
22161
22162         * config/mips/sync.md (*mb_barrier): Rename to...
22163         (*memory_barrier): ...this.
22164
22165 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
22166
22167         * doc/extend.texi (Function Attributes): Move @cindex after @item
22168         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
22169         and put in alphabetical order. Fix 'target' name and put in order.
22170         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
22171         typos.
22172
22173 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
22174
22175         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
22176         (memory_barrier): Expand as unspec instead of unspec_volatile.
22177         Remove mem:BLK from insn operands.  Use Pmode scratch register.
22178         (*memory_barrier): Define as unspec instead of unspec_volatile.
22179         Use (match_dup 0) as input operand.
22180
22181         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
22182         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
22183         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
22184         scratch register.  Remove operand 1.
22185         (*stbar): Define as unspec instead of unspec_volatile.
22186         Use (match_dup 0) as input operand, remove (const_int 8).
22187         (*membar): Define as unspec instead of unspec_volatile.
22188         Use (match_dup 0) as input operand, remove input operand 2.
22189
22190         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
22191         (memory_barrier): Expand as unspec instead of unspec_volatile.
22192         Remove mem:BLK from insn operands.  Use Pmode scratch register.
22193         (*memory_barrier): Define as unspec instead of unspec_volatile.
22194         Use (match_dup 0) as input operand.
22195
22196         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
22197         Remove mem:BLK from insn operands.  Use Pmode scratch register.
22198         Set volatile flag on operand 0.
22199         (*memory_barrier): New insn pattern.
22200
22201         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
22202         insn operands.
22203         (*memory_barrier): Use (match_dup 0) as input operand.
22204
22205         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
22206         Remove mem:BLK from insn operands.  Use Pmode scratch register.
22207         Set volatile flag on operand 0.
22208         (*mb_internal): New insn pattern.
22209
22210         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
22211
22212 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
22213
22214         PR middle-end/38586
22215         * function.c (struct temp_slot): Move to the section of the file
22216         that deals with temp slots.  Remove field 'address'.
22217         (temp_slot_address_table): New hash table of address -> temp slot.
22218         (struct temp_slot_address_entry): New struct, items for the table.
22219         (temp_slot_address_compute_hash, temp_slot_address_hash,
22220         temp_slot_address_eq, insert_temp_slot_address): Support functions
22221         for the new table.
22222         (find_temp_slot_from_address): Rewrite to use the new hash table.
22223         (remove_unused_temp_slot_addresses): Remove addresses of temp
22224         slots that have been made available.
22225         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
22226         worker function for remove_unused_temp_slot_addresses.
22227         (assign_stack_temp_for_type): Don't clear the temp slot address list.
22228         Add the temp slot address to the address -> temp slot map.
22229         (update_temp_slot_address): Update via insert_temp_slot_address.
22230         (free_temp_slots): Call remove_unused_temp_slot_addresses.
22231         (pop_temp_slots): Likewise.
22232         (init_temp_slots): Allocate the address -> temp slot map, or empty
22233         the map if it is already allocated.
22234         (prepare_function_start): Initialize temp slot processing.
22235
22236 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
22237
22238         PR middle-end/38584
22239         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
22240         Calculate the size of all stack vars assuming no packing of stack
22241         vars will happen, replacing a quadratic algorithm with a linear one.
22242
22243 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
22244
22245         PR target/38707
22246         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
22247         can't be used.
22248
22249 2009-01-03  Diego Novillo  <dnovillo@google.com>
22250
22251         * doc/contrib.texi: Update contributions.
22252
22253 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
22254
22255         PR c++/38705
22256         * builtins.c (fold_builtin_memory_op): Give up if either operand
22257         is volatile.  Set srctype or desttype to non-qualified version
22258         of the other type.
22259
22260         PR c/38700
22261         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
22262         and FUNCTION_DECLs.
22263
22264 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
22265
22266         PR rtl-optimization/35805
22267         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
22268         problem if fast dce is able to remove any instructions.
22269         * dce.c (dce_process_block): Fix dump message.
22270
22271 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
22272
22273         PR 33649
22274         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
22275
22276 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
22277
22278         PR middle-end/38690
22279         * tree-flow.h (op_code_prio, op_prio): New prototypes.
22280         * tree-pretty-print.c (op_code_prio): New function.
22281         (op_prio): No longer static.  Use op_code_prio.
22282         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
22283         Use op_prio and op_code_prio to determine if () should be
22284         printed around operand(s) or not.
22285
22286         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
22287         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
22288         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
22289         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
22290         pp_character instead of pp_string for single letter printing.
22291
22292 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
22293
22294         * doc/extend.texi: Fix '#pragma GCC option' typo.
22295
22296 2009-01-02  Richard Guenther  <rguenther@suse.de>
22297
22298         * doc/install.texi (--enable-checking): Mention different
22299         default for stage1.
22300         (--enable-stage1-checking): Document.
22301
22302 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
22303
22304         PR middle-end/30142
22305         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
22306         case to be an error.
22307
22308 2009-01-02  Ben Elliston  <bje@au.ibm.com>
22309
22310         * config/fp-bit.h (pack_d): Constify argument.
22311         * config/fp-bit.c (makenan): Constify return type. Remove casts.
22312         (isnan): Constify argument.
22313         (isinf): Likewise.
22314         (iszero): Likewise.
22315         (pack_d): Likewise.
22316         (_fpadd_parts): Constify return type.
22317         (_fpmul_parts): Likewise.
22318         (_fpdiv_parts): Likewise.
22319
22320 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
22321
22322         PR c/36489
22323         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
22324         warn about overwriting initializer with side-effects or
22325         -Woverride-init if !IMPLICIT.
22326         (output_init_element): Likewise.  Pass IMPLICIT down to
22327         add_pending_init.
22328         (process_init_element): Add IMPLICIT argument.  Pass it down
22329         to output_init_element.
22330         (push_init_element, pop_init_level, set_designator): Adjust
22331         process_init_element callers.
22332         (set_nonincremental_init, set_nonincremental_init_from_string):
22333         Adjust add_pending_init callers.
22334         (output_pending_init_elements): Adjust output_init_element callers.
22335         * c-tree.h (process_init_element): Adjust prototype.
22336         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
22337         process_init_element callers.
22338
22339 \f
22340 Copyright (C) 2009 Free Software Foundation, Inc.
22341
22342 Copying and distribution of this file, with or without modification,
22343 are permitted in any medium without royalty provided the copyright
22344 notice and this notice are preserved.