gcc/ChangeLog

   1 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
   2
   3         PR c/30949
   4         * c-typeck.c (convert_for_assignment): Give a note describing what
   5         was passed and what was expected.
   6
   7 2008-08-28  Joey Ye  <joey.ye@intel.com>
   8
   9         * doc/extend.texi: Document AVX built-in functions.
  10         * doc/invoke.texi: Document -mavx.
  11
  12 2008-08-28  H.J. Lu  <hongjiu.lu@intel.com>
  13             Joey Ye  <joey.ye@intel.com>
  14             Xuepeng Guo  <xuepeng.guo@intel.com>
  15
  16         * config.gcc (extra_headers): Add gmmintrin.h for x86 and x86-64.
  17
  18         * config/i386/cpuid.h (bit_FMA): New.
  19         (bit_XSAVE): Likewise.
  20         (bit_OSXSAVE): Likewise.
  21         (bit_AVX): Likewise.
  22
  23         * config/i386/gas.h (ASM_OUTPUT_OPCODE): Undefine before
  24         define.  Use ASM_OUTPUT_AVX_PREFIX.
  25
  26         * config/i386/gmmintrin.h: New.
  27
  28         * config/i386/i386.c (x86_64_reg_class): Add X86_64_AVX_CLASS.
  29         (OPTION_MASK_ISA_AVX_SET): New.
  30         (OPTION_MASK_ISA_FMA_SET): Likewise.
  31         (OPTION_MASK_ISA_AVX_UNSET): Likewise.
  32         (OPTION_MASK_ISA_FMA_SET): Likewise.
  33         (OPTION_MASK_ISA_SSE4_2_UNSET): Updated.
  34         (ix86_handle_option): Handle OPT_mavx and OPT_mfma.
  35         (pta_flags): Add PTA_AVX and PTA_FMA.
  36         (override_options): Handle PTA_AVX and PTA_FMA.
  37         (init_cumulative_args): Handle warn_avx.
  38         (classify_argument): Return 0 for COImode and OImode.  Return
  39         1 and X86_64_AVX_CLASS for 256bit vector types.
  40         (examine_argument): Handle X86_64_AVX_CLASS.
  41         (construct_container): Likewise.
  42         (function_arg_advance_32): Pass OImode and 256bit vector types
  43         in AVX register.
  44         (function_arg_advance_64): Take a new argument to indicate if a
  45         parameter is named.  Handle 256bit vector types.  Return
  46         immediately for unnamed 256bit vector mode parameters.
  47         (function_arg_advance): Updated.
  48         (function_arg_32): Add comments for TImode.  Handle OImode
  49         and 256bit vector types.
  50         (function_arg_64): Take a new argument to indicate if a
  51         parameter is named.  Handle 256bit vector types.  Return NULL
  52         for unnamed 256bit vector mode parameters.
  53         (function_arg): Updated.
  54         (setup_incoming_varargs_64): Support
  55         AVX encoding for *sse_prologue_save_insn.
  56         (ix86_gimplify_va_arg): Handle 256bit vector mode parameters.
  57         (standard_sse_constant_p): Return -2 for all 1s if SSE2 isn't
  58         enabled.  For all 1s in 256bit vector modes, return 3 if AVX is
  59         enabled, otherwise return -3.
  60         (standard_sse_constant_opcode): Handle AVX and 256bit vector
  61         modes.
  62         (print_reg): Support AVX registers.  Handle 'x' and 't'.
  63         Handle 'd' to duplicate the operand.
  64         (print_operand): Likewise.  Also support AVX vector compare
  65         instructions.
  66         (output_387_binary_op): Support AVX.
  67         (output_fp_compare): Likewise.
  68         (ix86_expand_vector_move_misalign): Likewise.
  69         (ix86_attr_length_vex_default): New.
  70         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
  71         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
  72         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
  73         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
  74         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_BLENDPD256,
  75         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
  76         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DIVPD256,
  77         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_DPPS256,
  78         IX86_BUILTIN_HADDPD256, IX86_BUILTIN_HADDPS256,
  79         IX86_BUILTIN_HSUBPD256, IX86_BUILTIN_HSUBPS256,
  80         IX86_BUILTIN_MAXPD256, IX86_BUILTIN_MAXPS256,
  81         IX86_BUILTIN_MINPD256, IX86_BUILTIN_MINPS256,
  82         IX86_BUILTIN_MULPD256, IX86_BUILTIN_MULPS256,
  83         IX86_BUILTIN_ORPD256, IX86_BUILTIN_ORPS256,
  84         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
  85         IX86_BUILTIN_SUBPD256, IX86_BUILTIN_SUBPS256,
  86         IX86_BUILTIN_XORPD256, IX86_BUILTIN_XORPS256,
  87         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
  88         IX86_BUILTIN_CMPPS, IX86_BUILTIN_CMPPD256,
  89         IX86_BUILTIN_CMPPS256, IX86_BUILTIN_CVTDQ2PD256,
  90         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
  91         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
  92         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
  93         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_EXTRACTF128PD256,
  94         IX86_BUILTIN_EXTRACTF128PS256, IX86_BUILTIN_EXTRACTF128SI256,
  95         IX86_BUILTIN_VZEROALL, IX86_BUILTIN_VZEROUPPER,
  96         IX86_BUILTIN_VZEROUPPER_REX64, IX86_BUILTIN_VPERMILVARPD,
  97         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
  98         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_VPERMILPD,
  99         IX86_BUILTIN_VPERMILPS, IX86_BUILTIN_VPERMILPD256,
 100         IX86_BUILTIN_VPERMILPS256, IX86_BUILTIN_VPERMIL2PD,
 101         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256,
 102         IX86_BUILTIN_VPERMIL2PS256, IX86_BUILTIN_VPERM2F128PD256,
 103         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
 104         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
 105         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
 106         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_VINSERTF128PD256,
 107         IX86_BUILTIN_VINSERTF128PS256, IX86_BUILTIN_VINSERTF128SI256,
 108         IX86_BUILTIN_LOADUPD256, IX86_BUILTIN_LOADUPS256,
 109         IX86_BUILTIN_STOREUPD256, IX86_BUILTIN_STOREUPS256,
 110         IX86_BUILTIN_LDDQU256, IX86_BUILTIN_LOADDQU256,
 111         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_MASKLOADPD,
 112         IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKSTOREPD,
 113         IX86_BUILTIN_MASKSTOREPS, IX86_BUILTIN_MASKLOADPD256,
 114         IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKSTOREPD256,
 115         IX86_BUILTIN_MASKSTOREPS256, IX86_BUILTIN_MOVSHDUP256,
 116         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
 117         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
 118         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
 119         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
 120         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
 121         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
 122         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
 123         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
 124         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
 125         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
 126         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
 127         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
 128         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
 129         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
 130         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
 131         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
 132         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
 133         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256
 134         and IX86_BUILTIN_MOVMSKPS256,
 135         (ix86_special_builtin_type): Add V32QI_FTYPE_PCCHAR,
 136         V8SF_FTYPE_PCV4SF, V8SF_FTYPE_PCFLOAT, V4DF_FTYPE_PCV2DF,
 137         V4DF_FTYPE_PCDOUBLE, V8SF_FTYPE_PCV8SF_V8SF,
 138         V4DF_FTYPE_PCV4DF_V4DF, V4SF_FTYPE_PCV4SF_V4SF,
 139         V2DF_FTYPE_PCV2DF_V2DF, VOID_FTYPE_PCHAR_V32QI,
 140         VOID_FTYPE_PFLOAT_V8SF, VOID_FTYPE_PDOUBLE_V4DF,
 141         VOID_FTYPE_PV8SF_V8SF_V8SF, VOID_FTYPE_PV4DF_V4DF_V4DF,
 142         VOID_FTYPE_PV4SF_V4SF_V4SF and VOID_FTYPE_PV2DF_V2DF_V2DF,
 143         (ix86_builtin_type): Add INT_FTYPE_V8SF_V8SF_PTEST,
 144         INT_FTYPE_V4DI_V4DI_PTEST, INT_FTYPE_V4DF_V4DF_PTEST,
 145         INT_FTYPE_V4SF_V4SF_PTEST, INT_FTYPE_V2DF_V2DF_PTEST,
 146         INT_FTYPE_V8SF, INT_FTYPE_V4DF, V8SI_FTYPE_V8SF, V8SI_FTYPE_V4SI,
 147         V8SF_FTYPE_V8SF, V8SF_FTYPE_V8SI, V8SF_FTYPE_V4SF,
 148         V4SI_FTYPE_V8SI, V4SI_FTYPE_V4DF, V4DF_FTYPE_V4DF,
 149         V4DF_FTYPE_V4SI, V4DF_FTYPE_V4SF, V4DF_FTYPE_V2DF,
 150         V4SF_FTYPE_V4DF, V4SF_FTYPE_V8SF, V2DF_FTYPE_V4DF,
 151         V8SF_FTYPE_V8SF_V8SF, V8SF_FTYPE_V8SF_V8SI,
 152         V4DF_FTYPE_V4DF_V4DF, V4DF_FTYPE_V4DF_V4DI,
 153         V4SF_FTYPE_V4SF_V4SI, V2DF_FTYPE_V2DF_V2DI,
 154         V8SF_FTYPE_V8SF_INT, V4SI_FTYPE_V8SI_INT, V4SF_FTYPE_V8SF_INT,
 155         V2DF_FTYPE_V4DF_INT, V4DF_FTYPE_V4DF_INT,
 156         V8SF_FTYPE_V8SF_V8SF_V8SF, V4DF_FTYPE_V4DF_V4DF_V4DF,
 157         V8SI_FTYPE_V8SI_V8SI_INT, V8SF_FTYPE_V8SF_V8SF_INT,
 158         V4DF_FTYPE_V4DF_V4DF_INT, V4DF_FTYPE_V4DF_V2DF_INT,
 159         V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT,
 160         V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
 161         (bdesc_special_args): Add IX86_BUILTIN_VZEROALL,
 162         IX86_BUILTIN_VZEROUPPER. IX86_BUILTIN_VZEROUPPER_REX64,
 163         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
 164         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
 165         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_LOADUPD256,
 166         IX86_BUILTIN_LOADUPS256, IX86_BUILTIN_STOREUPD256,
 167         IX86_BUILTIN_STOREUPS256, IX86_BUILTIN_LOADDQU256,
 168         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_LDDQU256,
 169         IX86_BUILTIN_MASKLOADPD, IX86_BUILTIN_MASKLOADPS,
 170         IX86_BUILTIN_MASKLOADPD256, IX86_BUILTIN_MASKLOADPS256,
 171         IX86_BUILTIN_MASKSTOREPD, IX86_BUILTIN_MASKSTOREPS,
 172         IX86_BUILTIN_MASKSTOREPD256 and IX86_BUILTIN_MASKSTOREPS256.
 173         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
 174         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
 175         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
 176         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
 177         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_DIVPD256,
 178         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_HADDPD256,
 179         IX86_BUILTIN_HSUBPS256, IX86_BUILTIN_HSUBPD256,
 180         IX86_BUILTIN_HADDPS256, IX86_BUILTIN_MAXPD256,
 181         IX86_BUILTIN_MAXPS256, IX86_BUILTIN_MINPD256,
 182         IX86_BUILTIN_MINPS256, IX86_BUILTIN_MULPD256,
 183         IX86_BUILTIN_MULPS256, IX86_BUILTIN_ORPD256,
 184         IX86_BUILTIN_ORPS256, IX86_BUILTIN_SUBPD256,
 185         IX86_BUILTIN_SUBPS256, IX86_BUILTIN_XORPD256,
 186         IX86_BUILTIN_XORPS256, IX86_BUILTIN_VPERMILVARPD,
 187         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
 188         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_BLENDPD256,
 189         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
 190         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DPPS256,
 191         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
 192         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
 193         IX86_BUILTIN_CMPPS,
 194         IX86_BUILTIN_CMPPD256,IX86_BUILTIN_CMPPS256,
 195         IX86_BUILTIN_EXTRACTF128PD256, IX86_BUILTIN_EXTRACTF128PS256,
 196         IX86_BUILTIN_EXTRACTF128SI256, IX86_BUILTIN_CVTDQ2PD256,
 197         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
 198         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
 199         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
 200         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_VPERM2F128PD256,
 201         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
 202         IX86_BUILTIN_VPERMILPD, IX86_BUILTIN_VPERMILPS,
 203         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
 204         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMILPS,
 205         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
 206         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
 207         IX86_BUILTIN_VPERMIL2PD256, IX86_BUILTIN_VPERMIL2PS256,
 208         IX86_BUILTIN_VINSERTF128PD256, IX86_BUILTIN_VINSERTF128PS256,
 209         IX86_BUILTIN_VINSERTF128SI256, IX86_BUILTIN_MOVSHDUP256,
 210         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
 211         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
 212         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
 213         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
 214         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
 215         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
 216         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
 217         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
 218         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
 219         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
 220         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
 221         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
 222         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
 223         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
 224         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
 225         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
 226         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
 227         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 and
 228         IX86_BUILTIN_MOVMSKPS256.
 229         (ix86_init_mmx_sse_builtins): Support AVX builtins.
 230         (ix86_expand_args_builtin): Likewise.
 231         (ix86_expand_special_args_builtin): Likewise.
 232         (ix86_hard_regno_mode_ok): Handle AVX modes.
 233         (ix86_expand_vector_init_duplicate): Likewise.
 234         (ix86_expand_vector_init_one_nonzero): Likewise.
 235         (ix86_expand_vector_init_one_var): Likewise.
 236         (ix86_expand_vector_init_concat): Likewise.
 237         (ix86_expand_vector_init_general): Likewise.
 238         (ix86_expand_vector_set): Likewise.
 239         (ix86_vector_mode_supported_p): Likewise.
 240         (x86_extended_reg_mentioned_p): Check INSN_P before using
 241         PATTERN.
 242
 243         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
 244         OPTION_MASK_ISA_AVX and OPTION_MASK_ISA_FMA.
 245
 246         * config/i386/i386.h (TARGET_AVX): New.
 247         (TARGET_FMA): Likewise.
 248         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AVX and TARGET_FMA.
 249         (BIGGEST_ALIGNMENT): Set to 256 for TARGET_AVX.
 250         (VALID_AVX256_REG_MODE): New.
 251         (AVX256_VEC_FLOAT_MODE_P): Likewise.
 252         (AVX_FLOAT_MODE_P): Likewise.
 253         (AVX128_VEC_FLOAT_MODE_P): Likewise.
 254         (AVX256_VEC_FLOAT_MODE_P): Likewise.
 255         (AVX_VEC_FLOAT_MODE_P): Likewise.
 256         (ASM_OUTPUT_AVX_PREFIX): Likewise.
 257         (ASM_OUTPUT_OPCODE): Likewise.
 258         (UNITS_PER_SIMD_WORD): Add a FIXME for 32byte vectorizer
 259         support.
 260         (SSE_REG_MODE_P): Allow 256bit vector modes.
 261         (ix86_args): Add a warn_avx field.
 262
 263         * config/i386/i386.md (UNSPEC_PCMP): New.
 264         (UNSPEC_VPERMIL): Likewise.
 265         (UNSPEC_VPERMIL2): Likewise.
 266         (UNSPEC_VPERMIL2F128): Likewise.
 267         (UNSPEC_MASKLOAD): Likewise.
 268         (UNSPEC_MASKSTORE): Likewise.
 269         (UNSPEC_CAST): Likewise.
 270         (UNSPEC_VTESTP): Likewise.
 271         (UNSPECV_VZEROALL): Likewise.
 272         (UNSPECV_VZEROUPPER): Likewise.
 273         (XMM0_REG): Likewise.
 274         (XMM1_REG): Likewise.
 275         (XMM2_REG): Likewise.
 276         (XMM3_REG): Likewise.
 277         (XMM4_REG): Likewise.
 278         (XMM5_REG): Likewise.
 279         (XMM6_REG): Likewise.
 280         (XMM8_REG): Likewise.
 281         (XMM9_REG): Likewise.
 282         (XMM10_REG): Likewise.
 283         (XMM11_REG): Likewise.
 284         (XMM12_REG): Likewise.
 285         (XMM13_REG): Likewise.
 286         (XMM14_REG): Likewise.
 287         (XMM15_REG): Likewise.
 288         (prefix): Likewise.
 289         (prefix_vex_imm8): Likewise.
 290         (prefix_vex_w): Likewise.
 291         (length_vex): Likewise.
 292         (maxmin): Likewise.
 293         (movoi): Likewise.
 294         (*avx_ashlti3): Likewise.
 295         (*avx_lshrti3): Likewise.
 296         (*avx_setcc<mode>): Likewise.
 297         (*fop_<mode>_comm_mixed_avx): Likewise.
 298         (*fop_<mode>_comm_avx): Likewise.
 299         (*fop_<mode>_1_mixed_avx): Likewise.
 300         (*fop_<mode>_1_avx): Likewise.
 301         (*avx_<code><mode>3): Likewise.
 302         (*avx_ieee_smin<mode>3): Likewise.
 303         (*avx_ieee_smax<mode>3): Likewise.
 304         (mode): Add OI, V8SF and V4DF.
 305         (length): Support VEX prefix.
 306         (*cmpfp_i_mixed): Set prefix attribute.
 307         (*cmpfp_i_sse): Likewise.
 308         (*cmpfp_iu_mixed): Likewise.
 309         (*cmpfp_iu_sse): Likewise.
 310         (*movsi_1): Support AVX.
 311         (*movdi_2): Likewise.
 312         (*movdi_1_rex64): Likewise.
 313         (*movti_internal): Likewise.
 314         (*movti_rex64): Likewise.
 315         (*movsf_1): Likewise.
 316         (*movdf_nointeger): Likewise.
 317         (*movdf_integer_rex64): Likewise.
 318         (*movtf_internal): Likewise.
 319         (zero_extendsidi2_32): Likewise.
 320         (zero_extendsidi2_rex64): Likewise.
 321         (*extendsfdf2_mixed): Likewise.
 322         (*extendsfdf2_sse): Likewise.
 323         (*truncdfsf_fast_mixed): Likewise.
 324         (*truncdfsf_fast_sse): Likewise.
 325         (*truncdfsf_mixed): Likewise.
 326         (fix_trunc<mode>di_sse): Likewise.
 327         (fix_trunc<mode>si_sse): Likewise.
 328         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
 329         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
 330         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
 331         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
 332         (*rcpsf2_sse): Likewise.
 333         (*rsqrtsf2_sse): Likewise.
 334         (*sqrt<mode>2_sse): Likewise.
 335         (sse4_1_round<mode>2): Likewise.
 336         (*sse_prologue_save_insn): Disallow REX prefix for AVX.
 337         Support AVX.  Set length attribute properly for AVX.
 338
 339         * config/i386/i386-modes.def (VECTOR_MODES (INT, 32)): New.
 340         (VECTOR_MODES (FLOAT, 32)): Likewise.
 341         (VECTOR_MODE (INT, DI, 8)): Likewise.
 342         (VECTOR_MODE (INT, HI, 32)): Likewise.
 343         (VECTOR_MODE (INT, QI, 64)): Likewise.
 344         (VECTOR_MODE (FLOAT, DF, 8)): Likewise.
 345         (VECTOR_MODE (FLOAT, SF, 16)): Likewise.
 346         (VECTOR_MODE (INT, DI, 4)): Removed.
 347         (VECTOR_MODE (INT, SI, 8)): Likewise.
 348         (VECTOR_MODE (INT, HI, 16)): Likewise.
 349         (VECTOR_MODE (INT, QI, 32)): Likewise.
 350         (VECTOR_MODE (FLOAT, SF, 8)): Likewise.
 351         (INT_MODE (OI, 32)): Likewise.
 352
 353         * config/i386/i386.opt (mavx): New.
 354         (mfma): Likewise.
 355
 356         * config/i386/i386-protos.h (ix86_attr_length_vex_default): New.
 357
 358         * config/i386/mmx.md (*mov<mode>_internal_rex64): Support AVX.
 359         (*mov<mode>_internal_avx): New.
 360         (*movv2sf_internal_rex64_avx): Likewise.
 361         (*movv2sf_internal_avx): Likewise.
 362
 363         * config/i386/predicates.md (const_4_to_5_operand): New.
 364         (const_6_to_7_operand): Likewise.
 365         (const_8_to_11_operand): Likewise.
 366         (const_12_to_15_operand): Likewise.
 367         (avx_comparison_float_operator): Likewise.
 368
 369         * config/i386/sse.md (AVX256MODEI): New.
 370         (AVX256MODE): Likewise.
 371         (AVXMODEQI): Likewise.
 372         (AVXMODE): Likewise.
 373         (AVX256MODEF2P): Likewise.
 374         (AVX256MODE2P): Likewise.
 375         (AVX256MODE4P): Likewise.
 376         (AVX256MODE8P): Likewise.
 377         (AVXMODEF2P): Likewise.
 378         (AVXMODEF4P): Likewise.
 379         (AVXMODEDCVTDQ2PS): Likewise.
 380         (AVXMODEDCVTPS2DQ): Likewise.
 381         (avxvecmode): Likewise.
 382         (avxvecpsmode): Likewise.
 383         (avxhalfvecmode): Likewise.
 384         (avxscalarmode): Likewise.
 385         (avxcvtvecmode): Likewise.
 386         (avxpermvecmode): Likewise.
 387         (avxmodesuffixf2c): Likewise.
 388         (avxmodesuffixp): Likewise.
 389         (avxmodesuffixs): Likewise.
 390         (avxmodesuffix): Likewise.
 391         (vpermilbits): Likewise.
 392         (pinsrbits): Likewise.
 393         (mov<mode>): Likewise.
 394         (*mov<mode>_internal): Likewise.
 395         (push<mode>1): Likewise.
 396         (movmisalign<mode>): Likewise.
 397         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 398         (avx_movdqu<avxmodesuffix>): Likewise.
 399         (avx_lddqu<avxmodesuffix>): Likewise.
 400         (<plusminus_insn><mode>3): Likewise.
 401         (*avx_<plusminus_insn><mode>3): Likewise.
 402         (*avx_vm<plusminus_insn><mode>3): Likewise.
 403         (mul<mode>3): Likewise.
 404         (*avx_mul<mode>3): Likewise.
 405         (*avx_vmmul<mode>3): Likewise.
 406         (divv8sf3): Likewise.
 407         (divv4df3): Likewise.
 408         (avx_div<mode>3): Likewise.
 409         (*avx_div<mode>3): Likewise.
 410         (*avx_vmdiv<mode>3): Likewise.
 411         (avx_rcpv8sf2): Likewise.
 412         (*avx_vmrcpv4sf2): Likewise.
 413         (sqrtv8sf2): Likewise.
 414         (avx_sqrtv8sf2): Likewise.
 415         (*avx_vmsqrt<mode>2): Likewise.
 416         (rsqrtv8sf2): Likewise.
 417         (avx_rsqrtv8sf2): Likewise.
 418         (*avx_vmrsqrtv4sf2): Likewise.
 419         (<code><mode>3): Likewise.
 420         (*avx_<code><mode>3_finite): Likewise.
 421         (*avx_<code><mode>3): Likewise.
 422         (*avx_vm<code><mode>3): Likewise.
 423         (*avx_ieee_smin<mode>3): Likewise.
 424         (*avx_ieee_smax<mode>3): Likewise.
 425         (avx_addsubv8sf3): Likewise.
 426         (avx_addsubv4df3): Likewise.
 427         (*avx_addsubv4sf3): Likewise.
 428         (*avx_addsubv2df3): Likewise.
 429         (avx_h<plusminus_insn>v4df3): Likewise.
 430         (avx_h<plusminus_insn>v8sf3): Likewise.
 431         (*avx_h<plusminus_insn>v4sf3): Likewise.
 432         (*avx_h<plusminus_insn>v2df3): Likewise.
 433         (avx_cmpp<avxmodesuffixf2c><mode>3): Likewise.
 434         (avx_cmps<ssemodesuffixf2c><mode>3): Likewise.
 435         (*avx_maskcmp<mode>3): Likewise.
 436         (avx_nand<mode>3): Likewise.
 437         (*avx_<code><mode>3): Likewise.
 438         (*avx_nand<mode>3): Likewise.
 439         (*avx_<code><mode>3): Likewise.
 440         (*avx_cvtsi2ss): Likewise.
 441         (*avx_cvtsi2ssq): Likewise.
 442         (*avx_cvtsi2sd): Likewise.
 443         (*avx_cvtsi2sdq): Likewise.
 444         (*avx_cvtsd2ss): Likewise.
 445         (avx_cvtss2sd): Likewise.
 446         (avx_cvtdq2ps<avxmodesuffix>): Likewise.
 447         (avx_cvtps2dq<avxmodesuffix>): Likewise.
 448         (avx_cvttps2dq<avxmodesuffix>): Likewise.
 449         (*avx_cvtsi2sd): Likewise.
 450         (*avx_cvtsi2sdq): Likewise.
 451         (avx_cvtdq2pd256): Likewise.
 452         (avx_cvtpd2dq256): Likewise.
 453         (avx_cvttpd2dq256): Likewise.
 454         (*avx_cvtsd2ss): Likewise.
 455         (*avx_cvtss2sd): Likewise.
 456         (avx_cvtpd2ps256): Likewise.
 457         (avx_cvtps2pd256): Likewise.
 458         (*avx_movhlps): Likewise.
 459         (*avx_movlhps): Likewise.
 460         (avx_unpckhps256): Likewise.
 461         (*avx_unpckhps): Likewise.
 462         (avx_unpcklps256): Likewise.
 463         (*avx_unpcklps): Likewise.
 464         (avx_movshdup256): Likewise.
 465         (avx_movsldup256): Likewise.
 466         (avx_shufps256): Likewise.
 467         (avx_shufps256_1): Likewise.
 468         (*avx_shufps_<mode>): Likewise.
 469         (*avx_loadhps): Likewise.
 470         (*avx_storelps): Likewise.
 471         (*avx_loadlps): Likewise.
 472         (*avx_movss): Likewise.
 473         (*vec_dupv4sf_avx): Likewise.
 474         (*vec_concatv2sf_avx): Likewise.
 475         (*vec_concatv4sf_avx): Likewise.
 476         (*vec_setv4sf_0_avx): Likewise.
 477         (*vec_setv4sf_avx): Likewise.
 478         (*avx_insertps): Likewise.
 479         (avx_vextractf128<mode>): Likewise.
 480         (vec_extract_lo_<mode>): Likewise.
 481         (vec_extract_hi_<mode>): Likewise.
 482         (vec_extract_lo_<mode>): Likewise.
 483         (vec_extract_hi_<mode>): Likewise.
 484         (vec_extract_lo_v16hi): Likewise.
 485         (vec_extract_hi_v16hi): Likewise.
 486         (vec_extract_lo_v32qi): Likewise.
 487         (vec_extract_hi_v32qi): Likewise.
 488         (avx_unpckhpd256): Likewise.
 489         (*avx_unpckhpd): Likewise.
 490         (avx_movddup256): Likewise.
 491         (*avx_movddup): Likewise.
 492         (avx_unpcklpd256): Likewise.
 493         (*avx_unpcklpd): Likewise.
 494         (avx_shufpd256): Likewise.
 495         (avx_shufpd256_1): Likewise.
 496         (*avx_punpckhqdq): Likewise.
 497         (*avx_punpcklqdq): Likewise.
 498         (*avx_shufpd_<mode>): Likewise.
 499         (*avx_storehpd): Likewise.
 500         (*avx_loadhpd): Likewise.
 501         (*avx_loadlpd): Likewise.
 502         (*avx_movsd): Likewise.
 503         (*vec_concatv2df_avx): Likewise.
 504         (*avx_<plusminus_insn><mode>3): Likewise.
 505         (*avx_<plusminus_insn><mode>3): Likewise.
 506         (*avx_mulv8hi3): Likewise.
 507         (*avxv8hi3_highpart): Likewise.
 508         (*avx_umulv8hi3_highpart): Likewise.
 509         (*avx_umulv2siv2di3): Likewise.
 510         (*avx_mulv2siv2di3): Likewise.
 511         (*avx_pmaddwd): Likewise.
 512         (*avx_mulv4si3): Likewise.
 513         (*avx_ashr<mode>3): Likewise.
 514         (*avx_lshr<mode>3): Likewise.
 515         (*avx_ashl<mode>3): Likewise.
 516         (*avx_<code><mode>3): Likewise.
 517         (*avx_eq<mode>3): Likewise.
 518         (*avx_gt<mode>3): Likewise.
 519         (*avx_nand<mode>3): Likewise.
 520         (*avx_nand<mode>3): Likewise.
 521         (*avx_<code><mode>3): Likewise.
 522         (*avx_<code><mode>3): Likewise.
 523         (*avx_packsswb): Likewise.
 524         (*avx_packssdw): Likewise.
 525         (*avx_packuswb): Likewise.
 526         (*avx_punpckhbw): Likewise.
 527         (*avx_punpcklbw): Likewise.
 528         (*avx_punpckhwd): Likewise.
 529         (*avx_punpcklwd): Likewise.
 530         (*avx_punpckhdq): Likewise.
 531         (*avx_punpckldq): Likewise.
 532         (*avx_pinsr<avxmodesuffixs>): Likewise.
 533         (*avx_pinsrq): Likewise.
 534         (*avx_loadld): Likewise.
 535         (*vec_extractv2di_1_rex64_avx): Likewise.
 536         (*vec_extractv2di_1_avx): Likewise.
 537         (*vec_dupv2di_avx): Likewise.
 538         (*vec_concatv2si_avx): Likewise.
 539         (*vec_concatv4si_1_avx): Likewise.
 540         (*vec_concatv2di_avx): Likewise.
 541         (*vec_concatv2di_rex64_avx): Likewise.
 542         (*avx_uavgv16qi3): Likewise.
 543         (*avx_uavgv8hi3): Likewise.
 544         (*avx_psadbw): Likewise.
 545         (avx_movmskp<avxmodesuffixf2c>256): Likewise.
 546         (*avx_phaddwv8hi3): Likewise.
 547         (*avx_phadddv4si3): Likewise.
 548         (*avx_phaddswv8hi3): Likewise.
 549         (*avx_phsubwv8hi3): Likewise.
 550         (*avx_phsubdv4si3): Likewise.
 551         (*avx_phsubswv8hi3): Likewise.
 552         (*avx_pmaddubsw128): Likewise.
 553         (*avx_pmulhrswv8hi3): Likewise.
 554         (*avx_pshufbv16qi3): Likewise.
 555         (*avx_psign<mode>3): Likewise.
 556         (*avx_palignrti): Likewise.
 557         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 558         (avx_blendvp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 559         (avx_dpp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 560         (*avx_mpsadbw): Likewise.
 561         (*avx_packusdw): Likewise.
 562         (*avx_pblendvb): Likewise.
 563         (*avx_pblendw): Likewise.
 564         (avx_vtestp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 565         (avx_ptest256): Likewise.
 566         (avx_roundp<avxmodesuffixf2c>256): Likewise.
 567         (*avx_rounds<ssemodesuffixf2c>): Likewise.
 568         (*avx_aesenc): Likewise.
 569         (*avx_aesenclast): Likewise.
 570         (*avx_aesdec): Likewise.
 571         (*avx_aesdeclast): Likewise.
 572         (avx_vzeroupper): Likewise.
 573         (avx_vzeroupper_rex64): Likewise.
 574         (avx_vpermil<mode>): Likewise.
 575         (avx_vpermilvar<mode>3): Likewise.
 576         (avx_vpermil2<mode>3): Likewise.
 577         (avx_vperm2f128<mode>3): Likewise.
 578         (avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 579         (avx_vbroadcastss256): Likewise.
 580         (avx_vbroadcastf128_p<avxmodesuffixf2c>256): Likewise.
 581         (avx_vinsertf128<mode>): Likewise.
 582         (vec_set_lo_<mode>): Likewise.
 583         (vec_set_hi_<mode>): Likewise.
 584         (vec_set_lo_<mode>): Likewise.
 585         (vec_set_hi_<mode>): Likewise.
 586         (vec_set_lo_v16hi): Likewise.
 587         (vec_set_hi_v16hi): Likewise.
 588         (vec_set_lo_v32qi): Likewise.
 589         (vec_set_hi_v32qi): Likewise.
 590         (avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 591         (avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 592         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
 593         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Likewise.
 594         (vec_init<mode>): Likewise.
 595         (*vec_concat<mode>_avx): Likewise.
 596         (blendbits): Support V8SF and V4DF.
 597         (sse2_movq128): Support AVX.
 598         (<sse>_movnt<mode>): Likewise.
 599         (sse2_movntv2di): Likewise.
 600         (sse_rcpv4sf2): Likewise.
 601         (sse_sqrtv4sf2): Likewise.
 602         (sse_rsqrtv4sf2): Likewise.
 603         (<sse>_comi): Likewise.
 604         (<sse>_ucomi): Likewise.
 605         (sse_cvtss2si): Likewise.
 606         (sse_cvtss2si_2): Likewise.
 607         (sse_cvtss2siq): Likewise.
 608         (sse_cvtss2siq_2): Likewise.
 609         (sse_cvttss2si): Likewise.
 610         (sse_cvttss2siq): Likewise.
 611         (sse2_cvtsd2si): Likewise.
 612         (sse2_cvtsd2si_2): Likewise.
 613         (sse2_cvtsd2siq): Likewise.
 614         (sse2_cvtsd2siq_2): Likewise.
 615         (sse2_cvttsd2si): Likewise.
 616         (sse2_cvttsd2siq): Likewise.
 617         (sse2_cvtdq2pd): Likewise.
 618         (*sse2_cvtpd2dq): Likewise.
 619         (*sse2_cvttpd2dq): Likewise.
 620         (*sse2_cvtpd2ps): Likewise.
 621         (sse2_cvtps2pd): Likewise.
 622         (sse3_movshdup): Likewise.
 623         (sse3_movsldup): Likewise.
 624         (sse_storehps): Likewise.
 625         (*sse4_1_extractps): Likewise.
 626         (sse2_storelpd): Likewise.
 627         (vec_dupv2df_sse3): Likewise.
 628         (*vec_concatv2df_sse3): Likewise.
 629         (*sse4_1_pextrb): Likewise.
 630         (*sse4_1_pextrb_memory): Likewise.
 631         (*sse2_pextrw): Likewise.
 632         (*sse4_1_pextrw_memory): Likewise.
 633         (*sse4_1_pextrd): Likewise.
 634         (*sse4_1_pextrq): Likewise.
 635         (sse2_pshufd_1): Likewise.
 636         (sse2_pshuflw_1): Likewise.
 637         (sse2_pshufhw_1): Likewise.
 638         (*sse2_storeq_rex64): Likewise.
 639         (*vec_dupv4si): Likewise.
 640         (<sse>_movmskp<ssemodesuffixf2c>): Likewise.
 641         (sse2_pmovmskb): Likewise.
 642         (*sse2_maskmovdqu): Likewise.
 643         (*sse2_maskmovdqu_rex64): Likewise.
 644         (sse_ldmxcsr): Likewise.
 645         (sse_stmxcsr): Likewise.
 646         (abs<mode>2): Likewise.
 647         (sse4_1_movntdqa): Likewise.
 648         (sse4_1_phminposuw): Likewise.
 649         (sse4_1_extendv8qiv8hi2): Likewise.
 650         (*sse4_1_extendv8qiv8hi2): Likewise.
 651         (sse4_1_extendv4qiv4si2): Likewise.
 652         (*sse4_1_extendv4qiv4si2): Likewise.
 653         (sse4_1_extendv2qiv2di2): Likewise.
 654         (*sse4_1_extendv2qiv2di2): Likewise.
 655         (sse4_1_extendv4hiv4si2): Likewise.
 656         (*sse4_1_extendv4hiv4si2): Likewise.
 657         (sse4_1_extendv2hiv2di2): Likewise.
 658         (*sse4_1_extendv2hiv2di2): Likewise.
 659         (sse4_1_extendv2siv2di2): Likewise.
 660         (*sse4_1_extendv2siv2di2): Likewise.
 661         (sse4_1_zero_extendv8qiv8hi2): Likewise.
 662         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
 663         (sse4_1_zero_extendv4qiv4si2): Likewise.
 664         (*sse4_1_zero_extendv4qiv4si2): Likewise.
 665         (sse4_1_zero_extendv2qiv2di2): Likewise.
 666         (*sse4_1_zero_extendv2qiv2di2): Likewise.
 667         (sse4_1_zero_extendv4hiv4si2): Likewise.
 668         (*sse4_1_zero_extendv4hiv4si2): Likewise.
 669         (sse4_1_zero_extendv2hiv2di2): Likewise.
 670         (*sse4_1_zero_extendv2hiv2di2): Likewise.
 671         (sse4_1_zero_extendv2siv2di2): Likewise.
 672         (*sse4_1_zero_extendv2siv2di2): Likewise.
 673         (sse4_1_ptest): Likewise.
 674         (sse4_1_roundp<ssemodesuffixf2c>): Likewise.
 675         (sse4_2_pcmpestri): Likewise.
 676         (sse4_2_pcmpestrm): Likewise.
 677         (sse4_2_pcmpistri): Likewise.
 678         (sse4_2_pcmpistrm): Likewise.
 679         (aesimc): Likewise.
 680         (aeskeygenassist): Likewise.
 681
 682 2008-08-28  Uros Bizjak  <ubizjak@gmail.com>
 683
 684         * config/i386/predicates.md (vzeroall_operation): New.
 685
 686         * config/i386/sse.md (avx_vzeroall): New.
 687         (*avx_vzeroall): Likewise.
 688
 689 2008-08-28  Paul Brook  <paul@codesourcery.com>
 690             Mark Shinwell  <shinwell@codesourcery.com>
 691             Richard Earnshaw  <richard.earnshaw@arm.com>
 692
 693         * config/arm/arm.c (TARGET_MAX_ANCHOR_OFFSET): New.
 694         (TARGET_MIN_ANCHOR_OFFSET): New.
 695         (arm_override_options): Set correct anchor ranges for Thumb-1
 696         and Thumb-2 if required.
 697         (legitimize_pic_address): Handle case involving a TLS symbol
 698         reference with an addend.
 699         (arm_optimization_options): Enable section anchors at -O1 and
 700         above.
 701         * config/arm/arm.h (OPTIMIZATION_OPTIONS): New.
 702         * config/arm/arm-protos.h (arm_optimization_options): New.
 703
 704 2008-08-28  Nick Clifton  <nickc@redhat.com>
 705
 706         * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Define.
 707         * config/stormy16/stormy16.md (zero_extendqihi2): Fix length
 708         attribute.
 709
 710         * config/v850/v850.h (IRA_COVER_CLASSES): Define.
 711         * config/v850/v850.md (return): Remove frame size restriction.
 712
 713         * config/mcore/mcore.h (IRA_COVER_CLASSES): Define.
 714
 715         * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Define.
 716
 717         * config/fr30/fr30.h (IRA_COVER_CLASSES): Define.
 718
 719         * config/m32r/m32r.h (IRA_COVER_CLASSES): Define.
 720
 721 2008-08-28  Paul Brook  <paul@codesourcery.com>
 722
 723         * config/arm/vfp11.md: Update license notice.
 724         * config/arm/cortex-r4.md: Ditto.
 725
 726 2008-08-28  Richard Guenther  <rguenther@suse.de>
 727
 728         PR tree-optimization/37207
 729         * tree-ssa-ifcombine.c (recognize_single_bit_test): Fix
 730         tuplification bug.
 731
 732 2008-08-28  Dodji Seketeli  <dodji@redhat.com>
 733
 734         PR c++/36741
 735         * tree.c (int_fits_type_p): Don't forget unsigned integers
 736           of type sizetype which higher end word equals -1.
 737
 738 2008-08-28  Ira Rosen  <irar@il.ibm.com>
 739
 740         * target.h (struct vectorize): Add new target builtin.
 741         * tree-vectorizer.c (destroy_loop_vec_info): Call
 742         vect_free_slp_instance instead of vect_free_slp_node.
 743         * tree-vectorizer.h (enum slp_load_perm_type): New.
 744         (struct _slp_instance): Add new fields.
 745         (SLP_INSTANCE_LOAD_PERMUTATION): New.
 746         (SLP_INSTANCE_LOADS): New.
 747         (vect_free_slp_tree): Remove.
 748         (vect_free_slp_instance): Declare.
 749         (SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New.
 750         (vectorizable_load): Add argument.
 751         (vect_transform_slp_perm_load): New.
 752         * tree-vect-analyze.c (vect_analyze_operations): Add an argument to
 753         vectorizable_load.
 754         (vect_get_place_in_interleaving_chain): New function.
 755         (vect_free_slp_tree): Make static.
 756         (vect_free_slp_instance): New function.
 757         (vect_build_slp_tree): Add new arguments. Allow load permutations and
 758         collect the load location in the interleaving chain.
 759         (vect_supported_slp_permutation_p): New function.
 760         (vect_supported_load_permutation_p): Likewise.
 761         (vect_analyze_slp_instance): In case of loads permutation, call
 762         vect_supported_load_permutation_p to check that the permutation is
 763         supported.
 764         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New.
 765         * tree-vect-transform.c (vect_transform_stmt): Add new argument.
 766         (vect_create_mask_and_perm): New function.
 767         (vect_get_mask_element, vect_transform_slp_perm_load): Likewise.
 768         (vectorizable_load): Add an argument. Don't keep the created vectors
 769         statements in the node if permutation is required. Call
 770         vect_transform_slp_perm_load to generate the permutation.
 771         (vect_transform_stmt): Add new argument. Call vectorizable_load with
 772         additional argument.
 773         (vect_schedule_slp_instance): In case of loads permutation, allocate
 774         vectorized statements structure for all the related SLP nodes. Call
 775         vect_transform_stmt with addditional argument.
 776         (vect_transform_loop): Call vect_transform_stmt with correct arguments.
 777         * config/spu/spu.c (spu_builtin_vec_perm): New.
 778         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
 779         * config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define.
 780         * config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New.
 781         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
 782
 783 2008-08-28  Chris Fairles  <chris.fairles@gmail.com>
 784
 785         * gthr-posix.h (__gthread_create,  __gthread_join, __gthread_detach,
 786         __gthread_mutex_timed_lock, __gthread_recursive_mutex_timed_lock,
 787         __gthread_cond_signal, __gthread_cond_timedwait,
 788         __gthread_cond_timedwait_recursive): New functions.
 789         * gthr-posix.c (pthread_mutex_timedlock, pthread_cond_timedwait):
 790         Likewise.
 791         * gthr.h: Comment on defining __GTHREADS_CXX0X macro in conforming
 792         thread interfaces.
 793
 794 2008-08-28  Richard Guenther  <rguenther@suse.de>
 795
 796         PR middle-end/37005
 797         * fold-const.c (maybe_canonicalize_comparison_1): Require
 798         undefined overflow only for canonicalizing A +- CST cmp CST.
 799         Make sure to not generate new constants that are not inside
 800         their TYPE_MIN/MAX_VALUE range.
 801         (maybe_canonicalize_comparison): Remove undefined overflow
 802         checking from here.
 803         (fold_binary): Remove now duplicate folding.
 804
 805 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
 806
 807         * c-typeck.c (convert_for_assignment): Adjust WARN_FOR_ASSIGNMENT
 808         use not updated in the last change.
 809
 810 2008-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
 811
 812         * config/sh/sh.h (REG_CLASS_CONTENTS): Drop fr32 from FPUL_REGS.
 813         (IRA_COVER_CLASSES): Add FPUL_REGS.
 814
 815 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 816
 817         PR 37217
 818         * c-common.c (conversion_warning): Check for null operands.
 819
 820 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 821
 822         PR c/31673
 823         * c-decl.c (check_for_loop_decls): Improve error message. Give
 824         hint.
 825
 826 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 827
 828         PR c/37186
 829         * c-typeck.c (WARN_FOR_ASSIGNMENT): Add OPT parameter.
 830         (convert_for_assignment): Pass corrent OPT_W* parameter to
 831         WARN_FOR_ASSIGNMENT.
 832
 833 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
 834
 835         PR c++/35321
 836         * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.
 837
 838 2008-08-27  Paul Brook  <paul@codesourcery.com>
 839
 840         * config.gcc: Loosen checks for arm uclinux eabi targets.
 841
 842 2008-08-27  Paul Brook  <paul@codesourcery.com>
 843
 844         * config/arm/t-arm-coff (LIB1ASMFUNCS): Add missing undescrore on
 845         _clzsi2.
 846         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
 847
 848 2008-08-26  Douglas Gregor  <doug.gregor@gmail.com>
 849
 850         * c-common.c (do_switch_warnings): Look through the CONST_DECLs in
 851         the enumerators of an ENUMERAL_TYPE.
 852         * dbxout.c (dbxout_type): Ditto.
 853
 854 2008-08-26  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 855
 856         PR rtl-opt/37219
 857         * fwprop.c (fwprop): Check that the loop_father is the outer loop.
 858         (fwprop_addr): Check that the loop_father is not the outer loop.
 859
 860 2008-08-26  Paul Brook  <paul@codesourcery.com>
 861
 862         * config/arm/vfp.md: Document fmul{s,d} and fmac{s,d} types.
 863         Remove documentation entry for fmul type.
 864         Use fmuls to annotate single-precision multiplication patterns,
 865         fmuld to annotate double-precision multiplication patterns,
 866         fmacs to annotate single-precision multiply-accumulate patterns
 867         and fmacd to annotate double-precision multiply-accumulate patterns.
 868         * config/arm/vfp11.md: Update reservations accordingly.
 869         * config/arm/arm.md: Note that certain values of the "type"
 870         attribute are documented in vfp.md.
 871         * config/arm/arm1020e.md: Remove out of date duplicate comment.
 872         (v10_cvt): Use new fmul types.
 873
 874 2008-08-26  Paul Brook   <paul@codesourcery.com>
 875
 876         * config/arm/vfp.md: Move pipeline description for VFP11 to...
 877         * config/arm/vfp11.md: ...here.  New.
 878         * config/arm/arm.md: Include vfp11.md.
 879
 880 2008-08-26  Hans-Peter Nilsson  <hp@axis.com>
 881
 882         * opts.c (decode_options) [!IRA_COVER_CLASSES]: Add missing
 883         parameter to inform call.
 884
 885 2008-08-26  Jeff Law  <law@redhat.com>
 886
 887         * mn10300.md (movqi, movhi): Split i->d*a case into two cases to
 888         avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
 889         preferred class when copying a constant into a partial word register.
 890
 891 2008-08-26  Ben Elliston  <bje@au.ibm.com>
 892
 893         * rtlanal.c: Fix uses of "it's" with "its" where appropriate.
 894         * cp/typeck.c: Likewise.
 895         * cp/tree.c: Likewise.
 896         * gimple-low.c: Likewise.
 897         * jump.c: Likewise.
 898
 899 2008-08-26  Vladimir Makarov  <vmakarov@redhat.com>
 900
 901         * ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
 902         ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
 903
 904         * doc/passes.texi: Describe IRA.
 905
 906         * doc/tm.texi (IRA_COVER_CLASSES,
 907         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
 908
 909         * doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
 910         (-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
 911         -fira-propagate-cost, -fno-ira-share-save-slots,
 912         -fno-ira-share-spill-slots, -fira-verbose): Describe new options.
 913
 914         * flags.h (ira_algorithm): New enumeration.
 915         (flag_ira_algorithm, flag_ira_verbose): New external variable
 916         declarations.
 917
 918         * postreload.c (gate_handle_postreload): Don't do post reload
 919         optimizations unless the reload is completed.
 920
 921         * reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
 922         IRA.
 923
 924         * tree-pass.h (pass_ira): New external variable declaration.
 925
 926         * reload.h: Add 2008 to the Copyright.
 927
 928         * cfgloopanal.c: Include params.h.
 929         (estimate_reg_pressure_cost): Decrease cost for IRA optimization
 930         mode.
 931
 932         * params.h (IRA_MAX_LOOPS_NUM): New macro.
 933
 934         * toplev.c (ira.h): New include.
 935         (flag_ira_algorithm, flag_ira_verbose): New external variables.
 936         (backend_init_target): Call ira_init.
 937         (backend_init): Call ira_init_once.
 938         (finalize): Call finish_ira_once.
 939
 940         * toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
 941         flag_ira_share_save_slots, flag_ira_share_spill_slots): New
 942         external variables.
 943
 944         * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
 945         may_move_out_cost): New external variable declarations.
 946         (move_table): New typedef.
 947
 948         * caller-save.c: Include headers output.h and ira.h.
 949         (no_caller_save_reg_set): New global variable.
 950         (save_slots_num, save_slots): New variables.
 951         (reg_save_code, reg_restore_code, add_stored_regs): Add
 952         prototypes.
 953         (init_caller_save): Set up no_caller_save_reg_set.
 954         (init_save_areas): Reset save_slots_num.
 955         (saved_hard_reg): New structure.
 956         (hard_reg_map, saved_regs_num, all_saved_regs): New variables.
 957         (initiate_saved_hard_regs, new_saved_hard_reg,
 958         finish_saved_hard_regs, saved_hard_reg_compare_func): New
 959         functions.
 960         (setup_save_areas): Add code for sharing stack slots.
 961         (all_blocks): New variable.
 962         (save_call_clobbered_regs): Process pseudo-register too.
 963         (mark_set_regs): Process pseudo-register too.
 964         (insert_one_insn): Put the insn after bb note in a empty basic
 965         block.  Add insn check.
 966
 967         * global.c (eliminable_regset): Make it external.
 968         (mark_elimination): Use DF_LR_IN for IRA.
 969         (pseudo_for_reload_consideration_p): New.
 970         (build_insn_chain): Make it external.  Don't ignore spilled
 971         pseudos for IRA.  Use pseudo_for_reload_consideration_p.
 972         (gate_handle_global_alloc): New function.
 973         (pass_global_alloc): Add the gate function.
 974
 975         * opts.c (decode_options): Set up flag_ira.  Print the warning for
 976         -fira.
 977         (common_handle_option): Process -fira-algorithm and -fira-verbose.
 978
 979         * timevar.def (TV_IRA, TV_RELOAD): New passes.
 980
 981         * regmove.c (regmove_optimize): Don't do replacement of output for
 982         IRA.
 983
 984         * hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
 985         New external variable declarations.
 986
 987         * local-alloc.c (update_equiv_regs): Make it external.  Return
 988         true if jump label rebuilding should be done.  Rescan new_insn for
 989         notes.
 990         (gate_handle_local_alloc): New function.
 991         (pass_local_alloc): Add the gate function.
 992
 993         * alias.c (value_addr_p, stack_addr_p): New functions.
 994         (nonoverlapping_memrefs_p): Use them for IRA.
 995
 996         * common.opt (fira, fira-algorithm, fira-coalesce,
 997         fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
 998         fira-verbose): New options.
 999
1000         * regclass.c (reg_class_subclasses, contains_reg_of_mode,
1001         move_cost, may_move_in_cost, may_move_out_cost): Make the
1002         variables external.
1003         (move_table): Remove typedef.
1004         (init_move_cost): Make it external.
1005         (allocate_reg_info, resize_reg_info, setup_reg_classes): New
1006         functions.
1007
1008         * rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
1009         setup_reg_classes): New function prototypes.
1010         (eliminable_regset): New external variable declaration.
1011         (build_insn_chain, update_equiv_regs): New function prototypes.
1012
1013         * Makefile.in (IRA_INT_H): New definition.
1014         (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1015         ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
1016         (reload1.o, toplev.o): Add dependence on ira.h.
1017         (cfgloopanal.o): Add PARAMS_H.
1018         (caller-save.o): Add dependence on output.h and ira.h.
1019         (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1020         ira-emit.o, ira-lives.o): New entries.
1021
1022         * passes.c (pass_ira): New pass.
1023
1024         * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
1025
1026         * reload1.c (ira.h): Include the header.
1027         (changed_allocation_pseudos): New bitmap.
1028         (init_reload): Initiate the bitmap.
1029         (compute_use_by_pseudos): Permits spilled registers in FROM.
1030         (temp_pseudo_reg_arr): New variable.
1031         (reload): Allocate and free temp_pseudo_reg_arr.  Sort pseudos for
1032         IRA.  Call alter_reg with the additional parameter.  Don't clear
1033         spilled_pseudos for IRA.  Restore original insn chain for IRA.
1034         Clear changed_allocation_pseudos at the end of reload.
1035         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
1036         (hard_regno_to_pseudo_regno): New variable.
1037         (count_pseudo): Check spilled pseudos.  Set up
1038         hard_regno_to_pseudo_regno.
1039         (count_spilled_pseudo): Check spilled pseudos. Update
1040         hard_regno_to_pseudo_regno.
1041         (find_reg): Use better_spill_reload_regno_p.  Check
1042         hard_regno_to_pseudo_regno.
1043         (alter_reg): Set up spilled_pseudos.  Add a new parameter.  Add
1044         code for IRA.
1045         (eliminate_regs_1): Use additional parameter for alter_reg.
1046         (finish_spills): Set up pseudo_previous_regs only for spilled
1047         pseudos.  Call reassign_pseudos once for all spilled pseudos, pass
1048         more arguments.  Don't clear live_throughout and dead_or_set for
1049         spilled pseudos.  Use additional parameter for alter_reg.  Call
1050         mark_allocation_change.  Set up changed_allocation_pseudos.
1051         Remove sanity check.
1052         (emit_input_reload_insns, delete_output_reload): Use additional
1053         parameter for alter_reg.  Call mark_allocation_change.
1054         (substitute, gen_reload_chain_without_interm_reg_p): New
1055         functions.
1056         (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
1057
1058         * testsuite/gcc.dg/20080410-1.c: New file.
1059
1060         * config/s390/s390.h (IRA_COVER_CLASSES,
1061         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
1062
1063         * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1064
1065         * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1066
1067         * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1068
1069         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1070
1071         * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
1072
1073         * config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
1074
1075         2008-08-24  Jeff Law  <law@redhat.com>
1076         * ira.c (setup_reg_class_intersect_union): Prefer smallest class
1077         when ignoring unavailable registers.
1078
1079         2008-08-24  Jeff Law  <law@redhat.com>
1080         * ira-color.c (coalesced_pseudo_reg_slot_compare): Check
1081         FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
1082         * ira.c (setup_eliminable_regset): Check stack_realign_needed.
1083         * config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
1084
1085         2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
1086         * ira-build.c (allocno_range_compare_func): Stabilize sort.
1087
1088         2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
1089         * config/avr/avr.h (IRA_COVER_CLASSES): New macro.
1090         * reload1.c (find_reg): Process registers in register allocation order.
1091
1092         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1093         * toplev.c (backend_init_target): Move ira_init call from
1094         here...
1095         (lang_dependent_init_target): ...to here.
1096
1097         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1098         * ira.c (setup_class_subset_and_memory_move_costs): Don't
1099         calculate memory move costs for NO_REGS.
1100
1101         2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
1102         * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
1103         STACK_REGS is defined.
1104
1105         2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1106         * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
1107
1108         2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
1109         * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
1110
1111         2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
1112         * config/sh/sh.h (IRA_COVER_CLASSES): Define.
1113         * config/sh/sh.md (movsicc_true+3): Check if emit returns a
1114         barrier.
1115
1116 2008-08-26  Victor Kaplansky  <victork@il.ibm.com>
1117             Dorit Nuzman  <dorit@il.ibm.com>
1118
1119         * gcc/config/spu/spu.md (vec_extract_evenv4si,
1120         vec_extract_evenv4sf, vec_extract_evenv8hi,
1121         vec_extract_evenv16qi, vec_extract_oddv4si,
1122         vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi,
1123         vec_interleave_highv4sf, vec_interleave_lowv4sf,
1124         vec_interleave_highv4si, vec_interleave_lowv4si,
1125         vec_interleave_highv8hi, vec_interleave_lowv8hi,
1126         vec_interleave_highv16qi, vec_interleave_lowv16qi,
1127         vec_pack_trunc_v8hi, vec_pack_trunc_v4si): Implement.S
1128
1129 2008-08-25  Janis Johnson  <janis187@us.ibm.com>
1130
1131         PR target/36756
1132         * config/rs6000/rs6000.c (optimization_options): Don't default to
1133         section anchors without toplevel reorder.
1134
1135 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1136
1137         * config/spu/spu_mfcio.h (mfc_begin_critical_section): New function.
1138         (mfc_end_critical_section): Likewise.
1139
1140 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1141
1142         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Propagate
1143         all type qualifiers from element type to vector type.
1144
1145 2008-08-25  David Daney  <ddaney@avtrex.com>
1146
1147         * config/mips/mips.md (immediate_insn): Move up in file, fix
1148         comment typo, reformat.
1149         (fetchop_bit, atomic_hiqi_op memory_barrier,
1150         sync_compare_and_swap<mode>, compare_and_swap_12, sync_add<mode>,
1151         sync_<optab><mode>, sync_<optab>_12, sync_old_<optab><mode>,
1152         sync_old_<optab>_12, sync_new_<optab><mode>, sync_new_<optab>_12,
1153         sync_nand<mode>, sync_nand_12, sync_old_nand<mode>,
1154         sync_old_nand_12, sync_new_nand<mode>, sync_new_nand_12,
1155         sync_sub<mode>, sync_old_add<mode>, sync_old_sub<mode>,
1156         sync_new_add<mode>, sync_new_sub<mode>, sync_<optab><mode>,
1157         sync_old_<optab><mode>, sync_new_<optab><mode>, sync_nand<mode>,
1158         sync_old_nand<mode>, sync_new_nand<mode>,
1159         sync_lock_test_and_set<mode>, sync_lock_test_and_set<mode>,
1160         test_and_set_12): Moved to sync.md.
1161         (sync.md): Include.
1162         * config/mips/sync.md: New file.
1163
1164 2008-08-25  Richard Henderson  <rth@redhat.com>
1165
1166         * dwarf2out.c (def_cfa_1): Don't scale by DWARF_CIE_DATA_ALIGNMENT.
1167         (regsave): Likewise.
1168         (lookup_cfa_1): Don't rescale by DWARF_CIE_DATA_ALIGNMENT.
1169         (output_cfi_directive): Likewise.
1170         (div_data_align): New.
1171         (output_cfi): Use it.
1172
1173 2008-08-24  Adam Nemet  <anemet@caviumnetworks.com>
1174
1175         * config.gcc (mips64*-*-linux*): Handle mips64octeon*-*-linux*.
1176         * config/mips/mips.h (enum processor_type): Add PROCESSOR_OCTEON.
1177         (TARGET_OCTEON): New macro.
1178         (TARGET_CPU_CPP_BUILTINS): Define __OCTEON__ for Octeon.
1179         (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=octeon.
1180         (ISA_HAS_POP): New macro.
1181         * config/mips/driver-native.c (host_detect_local_cpu): Handle
1182         Octeon.
1183         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1184         Handle Octeon.
1185         * config/mips/mips.md (cpu): Add octeon.
1186         (type): Add pop attribute value.
1187         (popcount<mode>2): New pattern.
1188         * doc/invoke.texi (-march=@var{arch}): Add octeon.
1189
1190 2008-08-24  Jan Hubicka  <jh@suse.cz>
1191
1192         * doc/invoke.texi (-fipa-cp-clone): New option.
1193         (-fipa-cp): Update docs.
1194         (--param ipcp-unit-growth):New.
1195         * ipa-cp.c: Include fibheap.h, params.h
1196         (ipcp_initialize_node_lattices): When not cloning, all externally
1197         visible functions are bottom.
1198         (ipcp_need_redirect_p): Accept clones.
1199         (ipcp_insert_stage): Use cost driven heuristics.
1200         (max_count, dead_nodes): New static vars.
1201         (ipcp_need_original_clone_p, ipcp_estimate_cloning_cost,
1202         ipcp_const_param_count): New functions.
1203         * common.opt (ipa-cp-clone): New command line option.
1204         * params.def (ipcp-unit-growth): New.
1205
1206 2008-08-24  Jan Hubicka  <jh@suse.cz>
1207
1208         * tree-inline.c (tree_function_versioning): Look harder
1209         for referenced vars.
1210
1211 2008-08-24  Razya Ladelsky  <razya@il.ibm.com>
1212
1213         PR tree-optimization/37185
1214         * matrix-reorg.c (transform_access_sites): Update changed stmt.
1215
1216 2008-08-23  Jan Hubicka  <jh@suse.cz>
1217
1218         * ipa-cp.c (ipcp_analyze_node): New function.
1219         (ipcp_update_cloned_node): Use it.
1220         (ipcp_init_stage): Likewise.
1221         * ipa-inline.c (function_insertion_hook_holder): New static var.
1222         (analyze_function): Break out from ....
1223         (inline_generate_summary): Here; register insertion hook.
1224         (cgraph_decide_inlining): Remove hook.
1225         (add_new_function): New function.
1226
1227 2008-08-23  Jan Hubicka  <jh@suse.cz>
1228
1229         * opts.c (decode_options): Revert accidental change enabling ipa-cp.
1230
1231 2008-08-23  Jan Hubicka  <jh@suse.cz>
1232
1233         * ipa-cp.c (constant_val_insert): Remove.
1234         (ipcp_propagate_one_const): Remove.
1235         (ipcp_create_replace_map): Always insert replacements to the map.
1236         (ipcp_insert_stage): Do not try to insert statements by hand.
1237         * tree-inline.c (insert_init_stmt): Break out from ...
1238         (setup_one_parameter): ... here; allow NULL BB pointer.
1239         (tree_function_versioning): Use setup_one_parameter to process
1240         replacement map.
1241
1242 2008-08-23  Jan Hubicka  <jh@suse.cz>
1243
1244         * tree.c (decl_address_ip_invariant_p): New function.
1245         * tree.h (decl_address_ip_invariant_p): Declare.
1246         * gimple.c (strip_invariant_refs): Break out from ...
1247         (is_gimple_invariant_address): ... here
1248         (is_gimple_ip_invariant_address): New function.
1249         (is_gimple_ip_invariant): New function.
1250         * gimple.h (is_gimple_ip_invariant_address, is_gimple_ip_invariant):
1251         Declare.
1252
1253         * ipa-cp.c (ipcp_lat_is_const): Remove handling of IPA_CONST_VALUE_REF.
1254         (ipcp_lat_is_insertable): All constants are insertable.
1255         (ipcp_lattice_from_jfunc, ipcp_print_all_lattices): Remove handling of
1256         IPA_CONST_VALUE_REF.
1257         (ipcp_initialize_node_lattices): Propagate all types of operands.
1258         (build_const_val): Do not handle IPA_CONST_VALUE_REF.
1259         (ipcp_create_replace_map): Reformat.
1260         (ipcp_need_redirect_p): Simplify.
1261         (ipcp_insert_stage): Check that argument is used before clonning.
1262         * ipa-prop.c (ipa_print_node_jump_functions): Do not handle IPA_CONST_REF.
1263         (compute_scalar_jump_functions): Simplify using is_gimple_ip_invariat.
1264         (determine_cst_member_ptr): Keep wrapping ADDR_EXPR of members.
1265         (update_call_notes_after_inlining): Expect ADDR_EXPR in operand.
1266         * ipa-prop.h (jump_func_type): Remove IPA_CONST_REF.
1267         (jump_func_type): Remove IPA_CONST_VALUE_REF.
1268         * tree-inline.c (tree_function_versioning): Add variables referenced by
1269         replacing trees.
1270
1271 2008-08-23  Jan Hubicka  <jh@suse.cz>
1272
1273         PR target/37094
1274         * i386.c (standard_80387_constant_p): Use optimize_size.
1275
1276 2008-08-23  Ira Rosen  <irar@il.ibm.com>
1277
1278         PR tree-optimization/37161
1279         * tree-vectorizer.h (vect_get_smallest_scalar_type): Declare.
1280         * tree-vect-analyze.c (vect_get_smallest_scalar_type): New function.
1281         (vect_determine_vectorization_factor): Move the scalar type
1282         retrieval to vect_get_smallest_scalar_type.
1283         (vect_build_slp_tree): Call vect_get_smallest_scalar_type to get
1284         scalar type. Remove redundant computation.
1285         * tree-vect-transform.c (vect_get_constant_vectors): Add argument.
1286         (vect_get_slp_defs): Take the type of RHS into account if
1287         necessary by calling vect_get_smallest_scalar_type. Call
1288         vect_get_constant_vectors with additional argument.
1289
1290 2008-08-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1291
1292         PR 35648
1293         * doc/invoke.texi (Wwrite-strings): Clarify description.
1294
1295 2008-08-23  Ira Rosen  <irar@il.ibm.com>
1296
1297         PR tree-optimization/37174
1298         * tree-vect-analyze.c (vect_get_and_check_slp_defs): Check that the
1299         def stmt is a part of the loop before accessing its stmt_vec_info.
1300
1301 2008-08-22  Anatoly Sokolov  <aesok@post.ru>
1302
1303         PR target/11259
1304         * config/avr/avr.md (UNSPEC_SWAP): New constants.
1305         (*swap): New insn pattern.
1306         (*ashlqi3): Rename from ashlqi3 insn pattern.
1307         (ashlqi3): New expanders.
1308         (*lshrqi3): Rename from lshrqi3 insn pattern.
1309         (lshrqi3): New expanders.
1310         (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
1311         lshrqi3_const5, lshrqi3_const6): New splitters.
1312         (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
1313         lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define
1314         peephole2 patterns.
1315
1316 2008-08-22  Richard Guenther  <rguenther@suse.de>
1317
1318         PR tree-optimization/37078
1319         * tree-vrp.c (extract_range_from_unary_expr): Avoid generating
1320         [+INF, +INF] ranges.
1321
1322 2008-08-22  Richard Guenther  <rguenther@suse.de>
1323
1324         PR tree-optimization/37143
1325         * tree-vect-transform.c (vect_create_cond_for_align_checks): Build
1326         a conversion statement instead of a copy.
1327
1328 2008-08-22  Uros Bizjak  <ubizjak@gmail.com>
1329
1330         PR target/37184
1331         * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode,
1332         CCCmode, CCOmode and CCSmode destination modes.
1333
1334         PR target/37191
1335         * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers
1336         from different units in a single alternative.
1337         (*vec_extractv2sf_1): Ditto.
1338         (*vec_extractv2si_0): Ditto.
1339         (*vec_extractv2si_1): Ditto.
1340         * config/i386/sse.md (sse2_storehpd): Ditto.
1341         (sse2_storelpd): Ditto.
1342         (sse2_loadhpd): Ditto.
1343         (sse2_loadlpd): Ditto.
1344
1345         PR target/37197
1346         * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints.
1347         (popcountsi2): Ditto.
1348         (clzdi2_abm): Ditto.
1349         (popcountdi2): Ditto.
1350         (clzhi2_abm): Ditto.
1351         (popcounthi2): Ditto.
1352
1353 2008-08-22  Richard Guenther  <rguenther@suse.de>
1354
1355         PR middle-end/36548
1356         PR middle-end/37125
1357         * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
1358         if the multiplication does not overflow.
1359
1360 2008-08-21  Nathan Sidwell  <nathan@codesourcery.com>
1361
1362         * c-ppoutput.c (init_pp_output): Initialize src_line to 1.
1363
1364 2008-08-21  Richard Henderson  <rth@redhat.com>
1365
1366         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove
1367         spurrious comma from test.
1368         * configure: Rebuild.
1369
1370 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1371
1372         PR 30457
1373         * builtins.c (fold_builtin_next_arg): Add warning about undefined
1374         behaviour.
1375
1376 2008-08-21  Aldy Hernandez  <aldyh@redhat.com>
1377
1378         * c-tree.h (grokfield): New argument.
1379         * c-decl.c (grokfield): Handle new location argument.
1380         * c-parser.c (c_parser_struct_declaration): Pass location to
1381         grokfield.
1382
1383 2008-08-21  Richard Guenther  <rguenther@suse.de>
1384
1385         * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants.
1386
1387 2008-08-21  Jan Hubicka  <jh@suse.cz>
1388
1389         * cgraph.c (first_cgraph_function_insertion_hook): New variable.
1390         (cgraph_add_function_insertion_hook,
1391         cgraph_remove_function_insertion_hook,
1392         cgraph_call_function_insertion_hooks): New functions.
1393         * cgraph.h (cgraph_add_function_insertion_hook,
1394         cgraph_remove_function_insertion_hook,
1395         cgraph_call_function_insertion_hooks): Declare.
1396         * ipa-reference.c (function_insertion_hook_holder): New variable.
1397         (check_operand, look_for_address_of): When checking late, do not care
1398         about module bitmaps.
1399         (add_new_function): New function.
1400         (generate_summary): Register hooks; zero module bitmaps.
1401         (propagate): Unregister hooks.
1402         * ipa-pure-const.c (function_insertion_hook_holder): New variable.
1403         (add_new_function): New function.
1404         (generate_summary): Register hook.
1405         (propagate): Remove hook.
1406
1407         * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0.
1408
1409         * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass.
1410         * ipa-cp.c (ipcp_update_cloned_node): New function.
1411         (build_const_val): Handle functions correctly; bring type logic
1412         into sync with tree-inline.c
1413         (ipcp_init_stage):  Take care of computing stuff needed by
1414         indirect inlining; update clones.
1415         (ipcp_generate_summary): Break out of ipcp_driver.
1416         (ipcp_driver): Do only execution and transformation.
1417         (pass_ipa_cp): Make IPA_PASS.
1418         * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold
1419         offset to address.
1420         * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing
1421         ipcp, some info is already available.
1422         * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed.
1423         * tree-inline.c (remap_ssa_name): Unshare expression.
1424
1425 2008-08-21  Richard Guenther  <rguenther@suse.de>
1426
1427         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1428         a PHI ask VN if it is already available.
1429         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1430         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1431
1432 2008-08-21  Richard Guenther  <rguenther@suse.de>
1433
1434         PR middle-end/36817
1435         * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which
1436         makes sure to produce a result of the correct type.
1437
1438 2008-08-21  Jan Hubicka  <jh@suse.cz>
1439         Backport from LTO branch:
1440
1441         2008-05-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1442                     Jan Hubicka  <jh@suse.cz>
1443
1444         * ipa-pure-const.c
1445         (init_state, finish_state, set_function_state, generate_summary):
1446         New functions.
1447         (scan_stmt): Renamed from scan_function.  Changed to keep state in
1448         local static vars rather than cgraph aux field.
1449         (propagate): Renamed from static_execute. Changed to keep state in
1450         local static vars rather than cgraph aux field.
1451         (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS.
1452         * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS.
1453
1454         2008-07-15  Kenneth Zadeck <zadeck@naturalbridge.com>
1455
1456         * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
1457         * ipa-reference.c (init_function_info, generate_summary,
1458         propagate): New functions.
1459         (analyze_function):  Call init_function_info.
1460         (static_execute): Stripped into generate_summary and propagate.
1461         (pass_ipa_reference): Made into ipa_opt_pass.
1462
1463 2008-08-21  Richard Guenther  <rguenther@suse.de>
1464
1465         PR tree-optimization/37181
1466         * tree-vrp.c (extract_range_from_binary_expr): Check for NULL
1467         folding result.
1468         (extract_range_from_unary_expr): Likewise.
1469
1470 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1471
1472         * diagnostic.c (pedwarn_at): Rename as pedwarn.
1473         (pedwarn): Delete.
1474         * toplev.h (pedwarn_at): Likewise.
1475         * builtins.c: Update all calls to pedwarn.
1476         * c-lex.c: Likewise.
1477         * toplev.c: Likewise.
1478         * c-tree.h: Likewise.
1479         * c-decl.c: Likewise.
1480         * c-errors.c: Likewise.
1481         * c-typeck.c: Likewise.
1482         * c-common.c: Likewise.
1483         * c-parser.c: Likewise.
1484
1485 2008-08-20  Joseph Myers  <joseph@codesourcery.com>
1486
1487         PR target/31070
1488         * config/sparc/sparc.c (function_arg_slotno): Handle structure
1489         with MODE_VECTOR_INT mode.
1490
1491 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1492
1493         PR middle-end/179
1494         * tree-ssa.c (warn_uninit): Do not warn for variables that can be
1495         initialized outside the current module.
1496         (warn_uninitialized_var): Ignore left-hand side when walking the
1497         trees. Ignore address expressions. Examine VUSE operands in gimple
1498         statements with a variable declaration on the right-hand side.
1499
1500 2008-08-20  Richard Sandiford  <rdsandiford@googlemail.com>
1501
1502         PR bootstrap/37155
1503         * rtlanal.c (subreg_offset_representable_p): Revert last change.
1504
1505 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1506
1507         PR 35701
1508         * c-common.c (conversion_warning): Do not warn if applying bit-and
1509         operator to unsigned constant that fits in the target type.
1510
1511 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1512
1513         PR c++/35602
1514         * c-common.c (conversion_warning): Do not warn for artificial
1515         expressions.
1516
1517 2008-08-20  Richard Guenther  <rguenther@suse.de>
1518
1519         * tree-vrp.c (op_with_constant_singleton_value_range): New function.
1520         (extract_range_from_binary_expr): Fall back to constant propagation.
1521         (extract_range_from_unary_expr): Likewise.
1522
1523 2008-08-20  Richard Guenther  <rguenther@suse.de>
1524
1525         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess
1526         with TREE_THIS_VOLATILE on shared nodes.
1527         (fold_stmt_r): Likewise.
1528
1529 2008-08-20  Jakub Jelinek  <jakub@redhat.com>
1530
1531         PR c/37171
1532         * c-parser.c (c_parser_attributes): For keywords use canonical
1533         spelling for attr_name.
1534
1535 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1536
1537         * value-prof.c (check_counter): Revert wrong call to error.
1538
1539 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1540
1541         * profile.c: Update calls to inform.
1542         * value-prof.c: Update calls to inform.
1543
1544 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1545
1546         * diagnostic.c (inform): Add an explicit location_t parameter.
1547         * toplev.h (inform): Update declaration.
1548         * builtins.c: Update all calls to inform.
1549         * c-common.c: Likewise.
1550         * c-decl.c: Likewise.
1551         * c-opts.c: Likewise.
1552         * c-pch.c: Likewise.
1553         * c-pragma.c: Likewise.
1554         * c-typeck.c: Likewise.
1555         * coverage.c: Likewise.
1556         * opts.c: Likewise.
1557         * toplev.c: Likewise.
1558         * tree-cfg.c: Likewise.
1559         * tree-ssa.c: Likewise.
1560
1561 2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1562
1563         PR target/37169
1564         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
1565         V2DI mode, for SSE4.1, use movq instead of vector set if the
1566         second element is zero and inter-unit moves are OK.
1567
1568 2008-08-20  Richard Guenther  <rguenther@suse.de>
1569
1570         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More
1571         properly handle conversion/copy chains after tuplification.
1572
1573 2008-08-20  Richard Guenther  <rguenther@suse.de>
1574
1575         * passes.c (init_optimization_passes): Move the second
1576         forwprop pass before alias computation.  Remove the second
1577         DCE pass.  Remove the first dominator and phi copy/const
1578         prop passes.
1579
1580 2008-08-20  Nick Clifton  <nickc@redhat.com>
1581
1582         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler
1583         support of this feature.  Do not assume that a sufficiently new
1584         assembler will support the feature regardless of the target type.
1585         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
1586         * configure: Regenerate.
1587
1588 2008-08-20  Richard Guenther  <rguenther@suse.de>
1589
1590         * tree-vrp.c (found_in_subgraph): Remove.
1591         (live): New global static.
1592         (live_on_edge): New function.
1593         (blocks_visited): Remove.
1594         (register_edge_assert_for_2): Use live_on_edge.
1595         (find_conditional_asserts): Remove code dealing with
1596         found_in_subgraph.  Do not walk the CFG.
1597         (find_switch_asserts): Likewise.
1598         (find_assert_locations_1): Renamed from find_assert_locations.
1599         Move finding assert locations for conditional and switch
1600         statements first.  Update live bitmap.  Do not walk the CFG.
1601         (find_assert_locations): New function.
1602         (insert_range_assertions): Remove entry of CFG walk.
1603         Adjust call to find_assert_locations.
1604         * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
1605         that only can appear because of fake exit edges but assert we
1606         never try to insert on those.
1607         (fini_pre): Do not remove fake exit edges here...
1608         (execute_pre): ...but here, before committing edge inserts.
1609
1610 2008-08-19  Richard Guenther  <rguenther@suse.de>
1611
1612         * passes.c (init_optimization_passes): Exchange store-ccp
1613         with a ccp pass.
1614
1615 2008-08-19  Rafael Espindola  <espindola@google.com>
1616
1617         * varasm.c (weak_decls): Move earlier in the file.
1618         (assemble_external): Add weak decls to the weak_decls list.
1619         (declare_weak): Don't add decls to the weak_decls list.
1620
1621 2008-08-19  H.J. Lu  <hongjiu.lu@intel.com>
1622
1623         PR target/37157
1624         * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved
1625         before (sse2_shufpd_<mode>).
1626
1627 2008-08-19  Jakub Jelinek  <jakub@redhat.com>
1628
1629         PR debug/37156
1630         * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees.
1631         * tree.c (block_nonartificial_location): Likewise.
1632
1633 2008-08-19  Richard Guenther  <rguenther@suse.de>
1634
1635         PR tree-optimization/35972
1636         PR tree-optimization/23094
1637         * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
1638         parameter.
1639         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
1640         handle MISALIGNED_INDIRECT_REF.
1641         (get_ref_from_reference_ops): New helper.
1642         (vn_reference_lookup_pieces): Walk the use-def chain using the
1643         alias-oracle if requested.
1644         * tree-ssa-pre.c (phi_translate_1): Do reference lookup with
1645         walking the use-def chain.
1646         (compute_avail): But not here.
1647         (create_component_ref_by_pieces_1): Properly handle
1648         MISALIGNED_INDIRECT_REF.
1649         (do_regular_insertion): Handle fully redundant
1650         expressions after PHI-translation also for SSA_NAME values, not
1651         only constants.  Correctly use edoubleprime for that.
1652
1653 2008-08-19  Ira Rosen  <irar@il.ibm.com>
1654
1655         * tree-vectorizer.c (supportable_widening_operation): Support
1656         multi-step conversion, return the number of steps in such conversion
1657         and the required intermediate types.
1658         (supportable_narrowing_operation): Likewise.
1659         * tree-vectorizer.h (vect_pow2): New function.
1660         (supportable_widening_operation): Change argument types.
1661         (supportable_narrowing_operation): Likewise.
1662         (vectorizable_type_promotion): Add an argument.
1663         (vectorizable_type_demotion): Likewise.
1664         * tree-vect-analyze.c (vect_analyze_operations): Call
1665         vectorizable_type_promotion and vectorizable_type_demotion with
1666         additional argument.
1667         (vect_get_and_check_slp_defs): Detect patterns.
1668         (vect_build_slp_tree): Add an argument, don't fail in case of multiple
1669         types.
1670         (vect_analyze_slp_instance): Don't fail in case of multiple types. Call
1671         vect_build_slp_tree with correct arguments. Calculate unrolling factor
1672         according to the smallest type in the loop.
1673         (vect_detect_hybrid_slp_stmts): Include statements from patterns.
1674         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
1675         supportable_widening_operation with correct arguments.
1676         * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector
1677         operands lists according to the number of vector statements in left
1678         or right node, if exists.
1679         (vect_gen_widened_results_half): Remove unused argument.
1680         (vectorizable_conversion): Call supportable_widening_operation,
1681         supportable_narrowing_operation, and vect_gen_widened_results_half
1682         with correct arguments.
1683         (vectorizable_assignment): Change documentation, support multiple
1684         types in SLP.
1685         (vectorizable_operation): Likewise.
1686         (vect_get_loop_based_defs): New function.
1687         (vect_create_vectorized_demotion_stmts): Likewise.
1688         (vectorizable_type_demotion): Support loop-aware SLP and general
1689         multi-step conversion. Call vect_get_loop_based_defs and
1690         vect_create_vectorized_demotion_stmts for transformation.
1691         (vect_create_vectorized_promotion_stmts): New function.
1692         (vectorizable_type_promotion): Support loop-aware SLP and general
1693         multi-step conversion. Call vect_create_vectorized_promotion_stmts
1694         for transformation.
1695         (vectorizable_store): Change documentation, support multiple
1696         types in SLP.
1697         (vectorizable_load): Likewise.
1698         (vect_transform_stmt): Pass SLP_NODE to
1699         vectorizable_type_promotion and vectorizable_type_demotion.
1700         (vect_schedule_slp_instance): Move here the calculation of number
1701         of vectorized statements for each node from...
1702         (vect_schedule_slp): ... here.
1703         (vect_transform_loop): Call vect_schedule_slp without the last
1704         argument.
1705
1706 2008-08-19  Dorit Nuzman  <dorit@il.ibm.com>
1707
1708         PR bootstrap/37152
1709         * tree-vect-transform.c (vect_create_epilog_for_reduction): Change =
1710         to == in assert statement.
1711         (vectorizable_reduction): Fix typo.
1712
1713 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
1714
1715         PR bootstrap/37153
1716         * value-prof.c (check_counter): Dereference pointer to overall
1717         count when printing it.
1718
1719 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
1720
1721         * profile.h: Really add it.
1722
1723 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
1724
1725         * mcf.c: Really add it.
1726
1727 2008-08-18  Paul Yuan  <yingbo.com@gmail.com>
1728             Vinodha Ramasamy  <vinodha@google.com>
1729
1730         * cgraph.c (cgraph_edge): Handle inconsistent counts when setting
1731         count_scale.
1732         * value-prof.c (check_counter): Fix the counter if
1733         flag_profile_correction is true.
1734         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1735         tree_mod_subtract_transform):
1736         Follow check_counter parameter change.
1737         * common.opt (fprofile-correction): New option.
1738         * mcf.c: New file.
1739         * profile.h: Likewise.
1740         * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
1741         (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
1742         is_inconsistent, set_bb_counts, read_profile_edge_counts): New
1743         functions.
1744         (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if
1745         flag_profile_correction is set.
1746
1747 2008-08-18  Richard Sandiford  <rdsandiford@googlemail.com>
1748
1749         * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK.
1750
1751 2008-08-18  Tomas Bily  <tbily@suse.cz>
1752
1753         * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P.
1754         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
1755         CONVERT_EXPR_P.
1756         * tree-data-ref.c (split_constant_offset_1): Likewise.
1757         * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
1758         * tree-sra.c (sra_walk_expr): Likewise.
1759         * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
1760         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
1761         * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
1762         * tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
1763         Likewise.
1764         * gimple.c (gimple_assign_unary_nop_p): Likewise.
1765         * tree-vect-transform.c (vectorizable_type_demotion)
1766         (vectorizable_type_promotion): Likewise.
1767         * tree-inline.c (expand_call_inline):
1768         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
1769         (forward_propagate_addr_expr_1, forward_propagate_comparison)
1770         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1771         * expr.c (expand_expr_real_1): Likewise.
1772         * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr)
1773         (gimple_assign_unary_useless_conversion_p): Likewise.
1774         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1775         * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
1776         * fold-const.c (fold_unary): Likewise.
1777         * tree.h (CONVERT_EXPR_P): Likewise.
1778         * tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
1779         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
1780         * tree-vrp.c:
1781         (register_edge_assert_for_2, extract_range_from_unary_expr)
1782         (register_edge_assert_for_1): Likewise.
1783
1784 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1785
1786         * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
1787         dconst_third_ptr, dconst_sqrt2_ptr): Declare.
1788         (enum real_value_const): Delete.
1789         (get_real_const): Delete.
1790         * real.c (get_real_const): Delete.
1791         (dconst_e_ptr): Define.
1792         (dconst_third_ptr): Define.
1793         (dconst_sqrt2_ptr): Define.
1794         * builtins.c: Update all callers.
1795
1796 2008-08-18  Richard Guenther  <rguenther@suse.de>
1797
1798         * tree-ssa-reassoc.c (reassociate_bb): Properly reset the
1799         statement iterator after statement removal.
1800
1801 2008-08-18  Andreas Tobler  <a.tobler@schweiz.org>
1802
1803         * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function.
1804         (detect_processor_freebsd): Likewise.
1805         (host_detect_local_cpu): Call newly added functions for FreeBSD.
1806
1807 2008-08-18  Richard Guenther  <rguenther@suse.de>
1808
1809         * tree-cfg.c (verify_types_in_gimple_assign): Verify copies
1810         and loads have the correct types.
1811
1812 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1813
1814         PR cpp/7263
1815         * c-opts.c (cpp_opts): Remove static.
1816         * c-parser.c (cpp_opts): Declare it extern.
1817         (disable_extension_diagnostics): Handle cpp options.
1818         (enable_extension_diagnostics): Likewise.
1819
1820 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1821
1822         * diagnostics.c (permerror_at): Rename as permerror.
1823         (permerror): Delete.
1824         * toplev.h: Likewise.
1825
1826 2008-08-18  Richard Guenther  <rguenther@suse.de>
1827
1828         * passes.c (init_optimization_passes): Remove cleanup_cfg1,
1829         sdse1 and addressables2 passes.  Replace dce1 with cddce1.
1830         Move call_cdce before build_alias.  Move copyrename2,
1831         cunrolli and ccp2 beafore build_alias.  Re-add addressable2
1832         right after final inlining.
1833         * tree-cfg.c (build_gimple_cfg): Do not dump function here.
1834         (pass_build_cfg): But instead via TODO_dump_func.
1835
1836 2008-08-18  Richard Guenther  <rguenther@suse.de>
1837
1838         * tree-sra.c (generate_element_init_1): Deal with NULL constructor
1839         element index.
1840         (scalarize_init): If we failed to generate some initializers
1841         do not generate zeros for not instantiated members.  Instead
1842         rely on the copy out.
1843         * tree-ssa-operands.c (get_addr_dereference_operands): Warn
1844         about missing flow-sensitive alias info only if we have
1845         aliases computed.
1846
1847 2008-08-17  Nick Clifton  <nickc@redhat.com>
1848
1849         * doc/extend.texi (Function Attributes): Fix typo in description
1850         if hot function attribute.
1851
1852 2008-08-17  Daniel Jacobowitz  <dan@codesourcery.com>
1853             Richard Sandiford  <rdsandiford@googlemail.com>
1854
1855         * doc/install.texi (--with-mips-plt): Document.
1856         * doc/invoke.texi (-mplt, -mno-plt): Document.
1857         * config.gcc (mips*-*-*): Add mips-plt to supported_defaults
1858         and handle ${with_mips_plt}.
1859         * config/mips/mips.opt (mplt): New option.
1860         * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
1861         (TARGET_ABICALLS_PIC2): Likewise.
1862         (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
1863         (OPTION_DEFAULT_SPECS): Add a mips-plt entry.
1864         (ASM_SPEC): Use !mabi=* instead of !mabi*.
1865         (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
1866         to decide whether to output ".option picX" directives.
1867         * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
1868         Pass -call_nonpic rather than -KPIC for -mplt.
1869         (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
1870         on the command line.  Also remove it when -mabi=64 is used without
1871         -msym32.
1872         * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
1873         * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
1874         TARGET_ABICALLS_PIC0.
1875         (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
1876         TARGET_ABICALLS.
1877         (mips16_build_function_stub): Only output ".option pic" directives
1878         and PIC stubs if TARGET_ABICALLS_PIC2.  Call through $25 instead of $1.
1879         (mips16_build_call_stub): Fix comment and remove redundant
1880         ".set at"/"set .noat" directives.
1881         (mips_function_rodata_section): Use the default behaviour for
1882         TARGET_ABSOLUTE_ABICALLS.
1883         (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
1884         (mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
1885         (mips_restore_gp): Do nothing if the current function doesn't use
1886         a global pointer.
1887         (mips_expand_prologue): Only save $gp if the current function uses it.
1888         Use a normal move for TARGET_ABICALLS_PIC0.
1889         (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.
1890
1891 2008-08-17  Richard Sandiford  <rdsandiford@googlemail.com>
1892
1893         * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
1894         of function when handling GLOBAL_POINTER_REGNUM.
1895
1896 2008-08-16  Eric Botcazou  <ebotcazou@adacore.com>
1897
1898         PR ada/20548
1899         * common.opt (-fstack-check): Do not declare the variable here.
1900         (-fstack-check=): New option variant.
1901         * doc/invoke.texi (Code Gen Options): Document it.
1902         * expr.h (STACK_OLD_CHECK_PROTECT): New macro.
1903         (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
1904         (STACK_CHECK_STATIC_BUILTIN): New macro.
1905         * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
1906         * opts.c: Include expr.h.
1907         (common_handle_option) <OPT_fold_stack_check_>: New case.
1908         <OPT_fstack_check>: Likewise.
1909         * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
1910         consistently in the test for variable-sized types.  Adjust for
1911         new behaviour of flag_stack_check.
1912         * explow.c: Include except.h.
1913         (allocate_dynamic_stack_space): Do not take into account
1914         STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
1915         * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
1916         for variable-sized parameters.  Treat all parameters whose size is
1917         greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
1918         stack checking is enabled.
1919         * gimplify.c (gimplify_decl_expr): Treat non-static objects whose
1920         size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
1921         if generic stack checking is enabled.
1922         (expand_function_end): Adjust for new behaviour of flag_stack_check.
1923         * reload1.c (reload): Likewise.
1924         * stmt.c (expand_decl): Assert that all automatic variables have
1925         fixed size at this point and remove dead code.
1926         * flags.h (stack_check_type): New enumeration type.
1927         (flag_stack_check): Declare.
1928         * toplev.c (flag_stack_check): New global variable.
1929         * Makefile.in (opts.o): Add dependency on EXPR_H.
1930         (explow.o): Add dependency on except.h.
1931
1932 2008-08-16  Andy Hutchinson  <hutchinsonandy@aim.com>
1933
1934         * config/avr/avr.c (avr_override_options): Reduce value of
1935         PARAM_INLINE_CALL_COST.
1936
1937 2008-08-15  Eric Botcazou  <ebotcazou@adacore.com>
1938
1939         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
1940         to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
1941         lieu of TYPE_MODE (type) throughout.
1942
1943 2008-08-15  Joseph Myers  <joseph@codesourcery.com>
1944
1945         * config/arm/arm.c (add_minipool_backward_ref): Check for
1946         8-byte-aligned entries in second case of forcing insertion after a
1947         particular entry.  Change third case to avoid inserting
1948         non-8-byte-aligned entries before 8-byte-aligned ones.
1949
1950 2008-08-15  Richard Guenther  <rguenther@suse.de>
1951
1952         * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
1953         strip components for unknown size accesses.
1954
1955 2008-08-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
1956
1957         * config/s390/2097.md New file.
1958         * config/s390/s390.md ("z10prop" attribute): Define none,
1959         z10_super, z10_super_E1, z10_super_A1, z10_super_c,
1960         z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
1961         z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
1962         possible values and apply them to insns as appropriate.
1963         ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
1964         ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
1965         fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
1966         fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible
1967         values.
1968         ("bfp" mode attribute): Removed.  Every occurence replaced
1969         with <mode>.
1970         * config/s390/s390.c (struct "z10_cost"): Updated entries.
1971         * config/s390/2084.md (insn_reservation "x_itof"): Updated
1972           type attribute.
1973
1974 2008-08-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1975
1976         PR c/28152
1977         * c-parser.c (c_lex_one_token): Do not store the canonical spelling
1978         for keywords.
1979
1980 2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>
1981
1982         * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
1983         additional argument. Support reduction when duplication is needed due
1984         to data-types of different sizes in the loop.
1985         (get_initial_def_for_induction): Fix printout.
1986         (vect_get_vec_def_for_stmt_copy): Support case where the
1987         vec_stmt_for_operand is a phi node.
1988         (vectorizable_reduction): Support reduction when duplication is needed
1989         due to data-types of different sizes in the loop.
1990         (vectorizable_call): Remove restriction to not vectorize in case we
1991         have data-types of different sizes in the loop.
1992         (vectorizable_conversion): Likewise.
1993         (vectorizable_operation): Likewise.
1994         (vectorizable_type_demotion): Likewise.
1995         (vectorizable_type_promotion): Likewise.
1996         (vectorizable_induction): Add restriction to not vectorize in case
1997         we have data-types of different sizes in the loop.
1998
1999 2008-08-14  Christophe Saout  <christophe@saout.de>
2000             Uros Bizjak  <ubizjak@gmail.com>
2001
2002         PR target/37101
2003         * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
2004         (*vec_concatv2di_rex64_sse4_1): Ditto.
2005         (*vec_concatv2di_rex64_sse): Ditto.
2006
2007 2008-08-14  Jakub Jelinek  <jakub@redhat.com>
2008
2009         PR middle-end/37103
2010         * fold-const.c (fold_widened_comparison): Do not allow
2011         sign changes that change the result even if shorter type
2012         is wider than arg1_unw's type.
2013
2014 2008-08-13  Kazu Hirata  <kazu@codesourcery.com>
2015
2016         * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
2017         Skip if the multilib testing specifies -march that does not
2018         agree with the one specified in the testcase.
2019
2020 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2021
2022         * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
2023         zero extend SImode values being converted to TFmode before passing
2024         to libcalls.
2025
2026 2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2027
2028         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
2029         __PPU__ when targeting the Cell/B.E. PPU processor.
2030
2031 2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>
2032
2033         * gimple.h (gimple_call_set_chain): Accept SSA variables.
2034         * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
2035         Rematerialize the static chain, if any.
2036         * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
2037         static chain.
2038
2039 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2040
2041         * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
2042         (new_loc_descr): Likewise.
2043         (add_loc_descr): Likewise.
2044         (size_of_loc_descr): Likewise.
2045         (size_of_locs): Likewise.
2046         (output_loc_operands): Likewise.
2047         (output_loc_sequence): Likewise.
2048         (new_reg_loc_descr): New.
2049         (build_cfa_loc): Use it.
2050         (build_cfa_aligned_loc): Likewise.
2051         (one_reg_loc_descriptor): Likewise.
2052         (based_loc_descr): Likewise.
2053
2054 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2055
2056         PR 30551
2057         * doc/invoke.texi (Wmain): Update.
2058         * c-decl.c (start_decl): warn_main is only 0 or 1.
2059         (start_function): Likewise. Fix formatting.
2060         (finish_function): Delete redundant warning.
2061         * c.opt (Wmain): Add Var(warn_main) and Init(-1).
2062         * c-opts (c_common_handle_option): -Wall only has effect if
2063         warn_main is uninitialized. OPT_Wmain is automatically
2064         handled. -pedantic also enables Wmain.
2065         (c_common_post_options): Handle all logic for Wmain here.
2066         * c-common.c (warn_main): Delete.
2067         (check_main_parameter_types): Make pedwarns conditional on
2068         OPT_Wmain.
2069         * c-common.h (warn_main): Delete.
2070
2071 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2072
2073         PR middle-end/36701
2074         * expr.c (emit_group_store): Allocate stack temp with the
2075         largest alignment when copying from register to stack.
2076
2077 2008-08-13  Richard Guenther  <rguenther@suse.de>
2078
2079         * tree.h (maybe_fold_offset_to_address): Declare.
2080         * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
2081         (ccp_fold): Handle pointer conversions the same as fold_stmt.
2082         Likewise for POINTER_PLUS_EXPR.
2083         (maybe_fold_offset_to_reference): Enable disabled code.
2084         (maybe_fold_offset_to_address): New function.
2085         (fold_stmt_r): Use it.
2086         (fold_gimple_assign): Likewise.
2087         * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
2088         (gimplify_expr): Likewise.
2089
2090 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2091
2092         * toplev.h (pedwarn_at): Fix declaration.
2093
2094 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2095
2096         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2097         LINK_SPEC): Use %R in -Y P argument.
2098
2099 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2100
2101         PR c/15236
2102         * diagnostic.c (pedwarn_at): New.
2103         * toplev.h (pedwarn_at): Declare.
2104         * c-tree.h (build_enumerator): Update declaration.
2105         * c-decl.c (finish_enum): Update comment.
2106         (build_enumerator): Take a location parameter. Give a pedwarn but do
2107         not perform any conversion.
2108         * c-parser.c (c_parser_enum_specifier): Set correct location for
2109         enumerator.
2110
2111 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2112
2113         PR 35635
2114         * c-common.c (conversion_warning): Use a switch. Ignore boolean
2115         expressions except for conversions to signed:1 bitfields. Handle
2116         COND_EXPR with constant operands.
2117
2118 2008-08-13  Richard Guenther  <rguenther@suse.de>
2119
2120         PR tree-optimization/15255
2121         * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
2122         (struct oecount_s): New struct and VEC types.
2123         (cvec): New global.
2124         (oecount_hash): New function.
2125         (oecount_eq): Likewise.
2126         (oecount_cmp): Likewise.
2127         (zero_one_operation): New function.
2128         (build_and_add_sum): Likewise.
2129         (undistribute_ops_list): Perform un-distribution of multiplication
2130         and division on the chain of summands.
2131         (should_break_up_subtract): Also break up subtracts for factors.
2132         (reassociate_bb): Delete dead visited statements.
2133         Call undistribute_ops_list.  Re-sort and optimize if it did something.
2134         * passes.c (init_optimization_passes): Move DSE before
2135         reassociation.
2136         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
2137         PHI nodes.
2138
2139 2008-08-12  Janis Johnson  <janis187@us.ibm.com>
2140
2141         * doc/invoke.texi (-fipa-pta): Say the option is experimental.
2142
2143         * doc/invoke.texi: Revert unintended checkin.
2144
2145 2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>
2146
2147         PR libgomp/26165
2148         * gcc.c (include_spec_function): Tweak call to find_a_file.
2149
2150 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2151
2152         PR middle-end/37014
2153         * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
2154         and TRUTH_ORIF_EXPR.
2155         * dojump.c (do_jump): Likewise.
2156
2157         PR tree-optimization/37084
2158         * tree-inline.c (copy_bb): Call gimple_regimplify_operands
2159         if id->regimplify, don't assume stmt is a cast assignment.
2160
2161 2008-08-12  Anatoly Sokolov  <aesok@post.ru>
2162
2163         * final.c (final_scan_insn): Use app_enable/app_disable functions.
2164
2165 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2166
2167         PR bootstrap/37097
2168         * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
2169         by last change.
2170
2171 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2172
2173         * defaults.h (TARGET_FLOAT_FORMAT): Remove.
2174         (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.
2175
2176         * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
2177         * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
2178         * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
2179         * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
2180         * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.
2181
2182         * doc/tm.texi (Storage Layout): Remove documentation for
2183         TARGET_FLOAT_FORMAT.
2184
2185         * simplify-rtx.c (simplify_binary_operation_1): Replace
2186         TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.
2187
2188 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2189
2190         * real.h (struct real_format): New member has_sign_dependent_rounding.
2191         * real.c (ieee_single_format, mips_single_format, motorola_single_format,
2192         spu_single_format, ieee_double_format, mips_double_format,
2193         motorola_double_format, ieee_extended_motorola_format,
2194         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
2195         ieee_extended_intel_96_round_53_format, ibm_extended_format,
2196         mips_extended_format, ieee_quad_format, mips_quad_format,
2197         vax_f_format, vax_d_format, vax_g_format): Initialize it.
2198         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
2199
2200         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
2201         MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
2202         * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
2203         MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
2204         (ROUND_TOWARDS_ZERO): Likewise.
2205
2206         * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
2207         (FLOAT_MODE_FORMAT): New macro.
2208         (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
2209         (MODE_COMPOSITE_P): ... this new macro.
2210         (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
2211         MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
2212         * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
2213
2214         * flags.h: Include "real.h".
2215
2216         * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
2217         REAL_MODE_FORMAT_COMPOSITE_P.
2218         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2219
2220         * doc/tm.texi (Storage Layout): Remove documentation of
2221         MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
2222         MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
2223         ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
2224         they only apply to libgcc2.a.
2225
2226 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2227
2228         * config/spu/float_disf.c: New file.
2229         * config/spu/float_unsdisf.c: New file.
2230         * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
2231         (LIB2FUNCS_EXCLUDE): Define.
2232
2233 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2234             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2235
2236         * real.h (struct real_format): New member round_towards_zero.
2237         * real.c (round_for_format): Respect fmt->round_towards_zero.
2238         (ieee_single_format, mips_single_format, motorola_single_format,
2239         spu_single_format, ieee_double_format, mips_double_format,
2240         motorola_double_format, ieee_extended_motorola_format,
2241         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
2242         ieee_extended_intel_96_round_53_format, ibm_extended_format,
2243         mips_extended_format, ieee_quad_format, mips_quad_format,
2244         vax_f_format, vax_d_format, vax_g_format): Initialize it.
2245         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
2246
2247         * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
2248         real_format to choose rounding mode when calling MPFR functions.
2249         (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
2250         (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
2251
2252         * real.h (real_to_decimal_for_mode): Add prototype.
2253         * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
2254         Respect target rounding mode when generating decimal representation.
2255         (real_to_decimal): New stub for backwards compatibility.
2256         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
2257         real_to_decimal_for_mode instead of real_to_decimal.
2258
2259         * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
2260
2261 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2262             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2263
2264         * real.c (spu_single_format): New variable.
2265         * real.h (spu_single_format): Declare.
2266
2267         * config/spu/spu.c (spu_override_options): Install SFmode format.
2268         (spu_split_immediate): Use integer mode to operate on pieces of
2269         floating-point values in all cases.
2270
2271         * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
2272         ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
2273         ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
2274
2275 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2276
2277         * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.
2278
2279 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2280
2281         * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.
2282
2283 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2284
2285         PR c++/36688
2286         * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
2287         on the VAR_DECL instead of TYPE_READONLY on its type.
2288
2289 2008-08-12  Ira Rosen  <irar@il.ibm.com>
2290
2291         * tree-vectorizer.c: Depend on langhooks.h.
2292         (supportable_widening_operation): Add two arguments. Support double
2293         type conversions.
2294         (supportable_narrowing_operation): Likewise.
2295         * tree-vectorizer.h (supportable_widening_operation): Add two
2296         arguments.
2297         (supportable_narrowing_operation): Likewise.
2298         * tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
2299         supportable_widening_operation with correct arguments.
2300         * tree-vect-transform.c (vectorizable_conversion): Likewise.
2301         (vectorizable_type_demotion): Support double type conversions.
2302         (vectorizable_type_promotion): Likewise.
2303         * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.
2304
2305 2008-08-11  Michael Matz  <matz@suse.de>
2306
2307         * i386/i386.c (override_options): Move initialisation from
2308         flag_schedule_insns_after_reload to here from ...
2309         (optimization_options): ... here.
2310
2311 2008-08-11  Jakub Jelinek  <jakub@redhat.com>
2312
2313         PR rtl-optimization/36998
2314         * dwarf2out.c (compute_barrier_args_size_1,
2315         compute_barrier_args_size): Temporarily remove assertions.
2316
2317 2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2318
2319         PR middle-end/20644
2320         * tree-ssa.c (struct walk_data): Add new flag
2321         warn_possibly_uninitialized.
2322         (warn_uninitialized_var): Use it.
2323         (warn_uninitialized_vars): New.
2324         (execute_early_warn_uninitialized): Call it.
2325         (execute_late_warn_uninitialized): Likewise.
2326
2327 2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2328
2329         PR middle-end/36238
2330         * reload1.c (gen_reload): Guard calls to get_secondary_mem
2331         for memory subregs.
2332
2333 2008-08-09  Jan Hubicka  <jh@suse.cz>
2334
2335         PR target/37055
2336         * optabs.c (maybe_emit_unop_insn): Remove produced code if
2337         expansion failed.
2338         (expand_fix): Be prepared for expansion to fail.
2339         (expand_sfix_optab): Remove instructions if expansion failed.
2340
2341 2008-08-09  Anatoly Sokolov  <aesok@post.ru>
2342
2343         * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
2344         avr31 architecture.
2345         * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
2346         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2347
2348 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2349
2350         * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
2351         mips/t-libgcc-mips16 to tmake_file.
2352         * config/mips/mips-protos.h (mips_call_type): New enum.
2353         (mips_pic_base_register, mips_got_load): Declare.
2354         (mips_restore_gp): Take an rtx argument.
2355         (mips_use_pic_fn_addr_reg_p): Declare.
2356         (mips_expand_call): Replace the sibcall_p argument with
2357         a mips_call_type argument.  Add a lazy_p parameter.
2358         (mips_split_call): Declare.
2359         * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
2360         (MIPS16_PIC_TEMP): Likewise.
2361         (reg_class): Delete M16_NA_REGS.
2362         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2363         (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
2364         (mips_split_hi_p): Declare.
2365         * config/mips/mips.c (mips_split_hi_p): New array.
2366         (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
2367         (mips_got_symbol_type_p): New function.
2368         (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
2369         (mips16_stub_function_p): New function.
2370         (mips16_local_function_p): Likewise.
2371         (mips_use_pic_fn_addr_reg_p): Likewise.
2372         (mips_cannot_force_const_mem): Return false for HIGHs.
2373         Extend CONST_INT and symbolic handling to MIPS16, using
2374         mips_symbol_insns to check that the base symbol type is a
2375         legitimate constant.  Reject GOT-based constants if
2376         TARGET_MIPS16_PCREL_LOADS.
2377         (mips_const_insns): Check targetm.cannot_force_const_mem when
2378         decomposing a symbolic base and a large offset.
2379         (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
2380         When calling a function that needs $25 from MIPS16 code,
2381         move the target address into $25 separately and add a USE
2382         to the call insn.
2383         (mips16_gp_pseudo_reg): Insert the initializer immediately
2384         before the first real insn.
2385         (mips_pic_base_register, mips_got_load): New functions.
2386         (mips_split_symbol): Generalize the name of the LO_SUM_OUT
2387         parameter to LOW_OUT.  Say that it can be any valid SET_SRC
2388         when splitting a load-address operation.  Split SYMBOL_GOT_DISP
2389         constants and highs of SYMBOL_GOT_PAGE_OFST constants.
2390         (mips_call_tls_get_addr): Update the call to mips_expand_call,
2391         also passing NULL_RTX rather than const0_rtx as the aux argument.
2392         (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
2393         instead of TARGET_EXPLICIT_RELOCS.
2394         (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
2395         (mips_load_call_address): Replace the sibcall_p argument with
2396         a mips_call_type argument.  Use mips_got_load.
2397         (mips16_local_alias): New structure.
2398         (mips16_local_aliases): New variable.
2399         (mips16_local_aliases_hash): New function.
2400         (mips16_local_aliases_eq): Likewise.
2401         (mips16_local_alias): Likewise.
2402         (mips16_stub_function): Likewise.
2403         (mips16_build_function_stub): Create a local alias for the target
2404         function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
2405         .cpload directive and an R_MIPS_NONE relocation for the target
2406         function, then load the alias rather than the function itself.
2407         Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
2408         (mips16_copy_fpr_return_value): Use mips16_stub_function and
2409         mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
2410         (mips16_build_call_stub): Replace the FN parameter with an
2411         FN_PTR parameter.  Force the address into a register if it
2412         isn't a call_insn_operand; don't rely on the caller to do this.
2413         If a call to a locally-defined and locally-binding MIPS16
2414         function must be made indirectly, redirect the call to the
2415         function's local alias.  Use mips16_stub_function_p,
2416         mips16_stub_function, mips_expand_call and use_reg.
2417         Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
2418         Use explicit %hi and %lo accesses where possible.
2419         Use MIPS_CALL to generate the correct code form of a
2420         jal instruction.  Add clobbers of $18 instead of uses.
2421         Update the call to mips_emit_call_insn.
2422         (mips_expand_call): Replace the SIBCALL_P argument with a
2423         mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
2424         Take a LAZY_P parameter.  Call mips16_build_call_stub first,
2425         allowing it to modify the call address.  Update the calls to
2426         mips_load_call_address and mips_emit_call_insn.
2427         (mips_split_call): New function.
2428         (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
2429         !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
2430         SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
2431         (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
2432         (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
2433         if TARGET_MIPS16.
2434         (mips_cprestore_slot): New function.
2435         (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
2436         and use mips_cprestore_slot.
2437         (mips_output_function_prologue): Handle TARGET_MIPS16 for
2438         LOADGP_OLDABI.
2439         (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
2440         then use a copygp_mips16 instruction to set up $28.
2441         (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
2442         (mips16_lay_out_constants): Call split_all_insns_noflow.
2443         (mips_reorg_process_insns): Explicitly set all_noreorder_p to
2444         false if TARGET_MIPS16.
2445         (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
2446         (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
2447         mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
2448         (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
2449         MIPS16 code.  Allow MIPS16 o32 PIC.
2450         (mips_override_options): Allow MIPS16 o32 PIC.
2451         * config/mips/mips.md: Lower CONST_GP_P moves into register moves
2452         after reload if TARGET_USE_GOT.
2453         (UNSPEC_COPYGP): New constant.
2454         (length): Use a default length of 8 for MIPS16 GOT loads.
2455         (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
2456         (*got_page<mode>): Check mips_split_hi_p.
2457         (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
2458         (unspec_got<mode>, unspec_call<mode>): New expanders.
2459         (load_got<mode>, load_call<mode>): Remove the length attributes.
2460         Use a got attribute instead of a type attribute.
2461         (copygp_mips16): New insn.
2462         (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
2463         (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
2464         (sibcall, sibcall_value, call, call_value): Update the calls
2465         to mips_expand_call.
2466         (call_internal, call_value_internal): Use mips_split_call.
2467         (call_value_multiple_internal): Likewise.
2468         (call_split): Move after call_internal (the insn it is split from).
2469         (call_internal_direct, call_value_internal_direct): Turn into
2470         define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
2471         (call_direct_split, call_value_direct_split): New patterns.
2472         * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
2473         and use M16_REGS instead of M16_NA_REGS.
2474         * config/mips/predicates.md (const_call_insn_operand): Replace
2475         the TARGET_ABSOLUTE_ABICALLS-based check with a more general
2476         mips_use_pic_fn_addr_reg_p check.
2477         (move_operand): Reject HIGHs if mips_split_hi_p.
2478         * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
2479         (__mips16_floatunsisf): Inline __mips16_floatsisf.
2480         (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
2481         * config/mips/libgcc-mips16.ver: New file.
2482         * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
2483         $(srcdir)/config/mips/libgcc-mips16.ver.
2484
2485 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2486
2487         * config/mips/mips.c (mips_unspec_address_offset): Move earlier in file.
2488         (mips_unspec_address, mips_unspec_offset_high): Likewise.
2489         (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
2490         (mips16_cfun_returns_in_fpr_p): Likewise.
2491
2492 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2493
2494         * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
2495         * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
2496         rather than 4 to PC.
2497
2498 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2499
2500         * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
2501         (FUNCTION_PROFILER): Save the static chain pointer into $2
2502         beforehand and restore it aftewards.
2503         (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
2504         address directly into $25 and call the function through $25;
2505         do not clobber $3.  Pad the DImode version to cover the space
2506         left by the deleted $25 <- $3 move.
2507         (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
2508         the removal of the $25 <- $3 move.
2509         (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
2510         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
2511
2512 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2513             Daniel Jacobowitz  <dan@codesourcery.com>
2514
2515         * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
2516         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
2517         (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
2518         * config/mips/mips.c (mips_start_function_definition): New function.
2519         (mips_end_function_definition): Likewise.
2520         (mips_output_function_prologue): Use mips_start_function_definition.
2521         (mips_output_function_epilogue): Use mips_end_function_definition.
2522         (build_mips16_function_stub): Use mips_start_function_definition
2523         and mips_end_function_definition.
2524         (build_mips16_call_stub): Likewise.
2525
2526 2008-08-09  Richard Guenther  <rguenther@suse.de>
2527
2528         * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
2529         * gimple.h (gimple_call_fn): Adjust comment.
2530         (gimple_call_set_fndecl): New function.
2531         (gimple_call_fndecl): Adjust for GIMPLE_CALL no
2532         longer having bare FUNCTION_DECL operand.
2533         (gimple_call_return_type): Likewise.
2534         * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
2535
2536         * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
2537         (gimple_mod_pow2): Likewise.
2538         (gimple_mod_subtract): Likewise.
2539         (gimple_ic): Likewise.
2540         (gimple_stringop_fixed_value): Likewise.
2541         (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
2542         longer having bare FUNCTION_DECL operand.
2543         * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
2544         * omp-low.c (optimize_omp_library_calls): Likewise.
2545         * cgraphunit.c (update_call_expr): Likewise.
2546         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
2547         (execute_convert_to_rsqrt): Likewise.
2548         * cfgexpand.c (gimple_to_tree): Simplify.
2549         (release_stmt_tree): Fix for GIMPLE_CALL no longer having
2550         bare FUNCTION_DECL operand.
2551         * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
2552         (convert_gimple_call): Use gimple_call_fndecl.
2553         * c-common.c (c_warn_unused_result): Likewise.
2554
2555 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2556
2557         PR c/17880
2558         * c-typeck.c (digest_init): Call verify_sequence_points from here.
2559         (c_finish_return): Likewise.
2560         (c_start_case): Likewise.
2561         * c-common.c (warn_for_collisions_1): Use explicit location in
2562         warning.
2563         * c-parser.c (c_parser_condition): New. Call
2564         verify_sequence_points.
2565         (c_parser_paren_condition): Call c_parser_condition.
2566         (c_parser_for_statement): Call c_parser_condition.
2567
2568 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2569
2570         PR 36901
2571         * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.
2572         * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
2573         Moved from diagnostic.h
2574         (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
2575         DK_PERMERROR.
2576         (emit_diagnostic): New.
2577         (warning0, pedwarn0): Delete.
2578         (warning, warning_at, pedwarn, permerror): Return bool.
2579         * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
2580         Moved to diagnostic.c.
2581         (struct diagnostic_context): Use correct type for
2582         classify_diagnostic.
2583         (diagnostic_report_diagnostic): Update declaration.
2584         (emit_diagnostic): Declare.
2585         * errors.c (warning): Return bool.
2586         * errors.h (warning): Update declaration.
2587         * toplev.h (warning0, pedwarn0): Delete.
2588         (warning, warning_at, pedwarn, permerror): Return bool.
2589         * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
2590         * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
2591         inform. Update all calls.
2592         (diagnose_mismatched_decls): Check return value of warning/pedwarn
2593         before giving informative note.
2594         (implicit_decl_warning): Likewise.
2595         * c-typeck.c (build_function_call): Likewise.
2596         * tree-sssa.c (warn_uninit): Likewise.
2597         * builtins.c (gimplify_va_arg_expr): Likewise.
2598
2599 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2600
2601         PR 7651
2602         * doc/invoke.texi (-Wextra): Move warning from here...
2603         (-Wuninitialized): ... to here.
2604
2605 2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2606
2607         PR 28875
2608         * flags.h (set_Wunused): Delete
2609         * toplev.c (process_options): Handle Wunused flags here.
2610         * opts.c (maybe_warn_unused_parameter): Delete.
2611         (common_handle_option): Replace set_Wunused by warn_unused.
2612         (set_Wextra): Do not handle Wunused-parameter here.
2613         (set_Wunused): Delete.
2614         * c-opts.c (c_common_handle_option): Replace set_Wunused by
2615         warn_unused.
2616         * common.opt (Wunused): Add Var and Init.
2617         (Wunused-function): Likewise.
2618         (Wunused-label): Likewise.
2619         (Wunused-parameter): Likewise.
2620         (Wunused-value): Likewise.
2621         (Wunused-variable): Likewise.
2622
2623 2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>
2624
2625         * doc/invoke.texi: Add cpu_type power7.
2626         * config.in (HAVE_AS_VSX): New.
2627         * config.gcc: Add cpu_type power7.
2628         * configure.ac (HAVE_AS_VSX): Check for assembler support of the
2629         VSX instructions.
2630         * configure: Regenerate.
2631         * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
2632         power5.
2633         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
2634         (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
2635         (EXTRA_SPECS): Add asm_cpu_power7 spec string.
2636
2637 2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>
2638
2639         * tree-vect-transform.c (vectorizable_conversion): Pass the integral
2640         type to vectorize.builtin_conversion.
2641         (vectorizable_conversion): Likewise.
2642         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes
2643         integral type as input.
2644         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for
2645         FIX_TRUNC_EXPR.
2646         (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
2647         and ALTIVEC_BUILTIN_VCTSXS.
2648         (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
2649         formatting.
2650
2651 2008-08-08  Richard Guenther  <rguenther@suse.de>
2652
2653         * tree-ssa-ccp.c (likely_value): Calls are not all varying.
2654         (surely_varying_stmt_p): Calls are varying only if they are
2655         non-builtin and not indirect or have no result.
2656         (ccp_fold): Re-instantiate code before the tuples merge.
2657
2658 2008-08-08  Richard Guenther  <rguenther@suse.de>
2659
2660         PR tree-optimization/37056
2661         * gimple.h (gimple_assign_rhs_class): New helper function.
2662         * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle
2663         unary operations properly.
2664
2665 2008-08-07  Jan Hubicka  <jh@suse.cz>
2666
2667         * i386.h (ix86_size_cost): Declare.
2668         (ix86_cur_cost): New function macro.
2669         * i386.md (peepholes expanding size and splitters): Predicate by
2670         optimize_insn_for_speed_p.
2671         (peepholes reduce size and splitters): Predicate by
2672         optimize_insn_for_size_p.
2673         * i386.c (ix86_size_cost): Rename from ...
2674         (size_cost): This one.
2675         (override_options): Update.
2676         (decide_alg): Likewise.
2677         (ix86_expand_clear): Use RTL profile.
2678         (ix86_pad_returns): Use RTL profile.
2679
2680 2008-08-07  Jan Hubicka  <jh@suse.cz>
2681
2682         * recog.c (split_all_insns): Set RTL profile
2683         (peephole2_optimize): Likewise.
2684         * function.c (thread_prologue_and_epilogue_insns): Likewise.
2685         * combine.c (combine_instructions): Likewise.
2686
2687 2008-08-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2688
2689         * c-common.c (c_common_reswords): Also warn about keyword "bool".
2690
2691 2008-08-07  Bob Wilson  <bob.wilson@acm.org>
2692
2693         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
2694         value in a6 after the set_frame_ptr insn.
2695
2696 2008-08-07  Richard Henderson  <rth@redhat.com>
2697
2698         PR debug/37033
2699         * gcc.c (cpp_options): Pass along -g*.
2700
2701 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
2702
2703         * config/arm/arm.c (output_move_neon): Update comment describing
2704         big-endian vector layout.
2705         (arm_assemble_integer): Do not handle big-endian NEON vectors
2706         specially.
2707         * config/arm/neon.md (vec_set<mode>_internal, vec_extract<mode>,
2708         neon_vget_lane<mode>_sext_internal,
2709         neon_vget_lane<mode>_zext_internal, neon_vget_lane<mode>): Adjust
2710         element indices for big-endian.
2711
2712 2008-08-07  Richard Henderson  <rth@redhat.com>
2713
2714         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New.
2715         * configure, config.in: Rebuild.
2716         * debug.h (dwarf2out_do_cfi_asm): Declare.
2717         * c-cppbuiltin.c (c_cpp_builtins): Use it.
2718         * dwarf2out.c (dwarf2out_do_cfi_asm): New.
2719         (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info,
2720         dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it.
2721
2722 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
2723
2724         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2725         movv2si_internal): Combine into mov<mode>_internal.
2726         (movv2si_internal_2): Remove.
2727
2728 2008-08-07  Jan Hubicka  <jh@suse.cz>
2729
2730         PR target/37048
2731         * i386.md (single stringop patterns): Enable unconditionally.
2732
2733 2008-08-07  H.J. Lu  <hongjiu.lu@intel.com>
2734
2735         PR target/36992
2736         * config/i386/emmintrin.h (_mm_move_epi64): Use
2737         __builtin_ia32_movq128.
2738
2739         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128.
2740         (bdesc_args): Add IX86_BUILTIN_MOVQ128.
2741
2742         * config/i386/sse.md (sse2_movq128): New.
2743
2744         * doc/extend.texi: Document __builtin_ia32_movq128.
2745
2746 2008-08-07  Richard Guenther  <rguenther@suse.de>
2747
2748         PR middle-end/37042
2749         * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all
2750         pointers can access anything.
2751
2752 2008-08-06  Jan Hubicka  <jh@suse.cz>
2753
2754         * optabs.c (emit_unop_insn): Break out to ...
2755         (maybe_emit_unop_insn): ... this one.
2756         (expand_sfix_optab): Use maybe variant.
2757         * optabs.h (maybe_emit_unop_insn): Declare.
2758
2759         * i386.md (mov0 patterns): Enable by default.
2760         (FP conversion expanders): Disable expansion of code expanding
2761         sequences when instruction should be optimized for size.
2762         (single strinop patterns): Enable when optimizing for size.
2763         (string expanders): Disable expanding of code expanding sequences
2764         when optimizning instruction for size.
2765         * i386.c (ix86_expand_vector_move_misalign): Do code size optimization
2766         per BB basis.
2767         (ix86_fp_comparison_sahf_cost): Likewise.
2768         (ix86_expand_branch): Likewise.
2769         (ix86_expand_ashl_const): Likewise.
2770         (ix86_split_ashl): Likewise.
2771         (ix86_expand_strlen): Likewise.
2772         (ix86_emit_fp_unordered_jump): Likewie.
2773
2774 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2775
2776         * c-common.c: Fix typo.
2777         (c_common_reswords): Activate more C++ keyword warnings.
2778
2779         * matrix-reorg.c (compute_offset): Avoid C++ keywords.
2780
2781 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2782
2783         PR 26785
2784         * diagnostic.c (permerror_at): New.
2785         * toplev.h (permerror_at): Declare.
2786
2787 2008-08-06  Victor Kaplansky  <victork@il.ibm.com>
2788             Ira Rosen  <irar@il.ibm.com>
2789
2790         * tree-vect-transform.c (vect_model_simple_cost): Return
2791         immediately if stmt is pure SLP.
2792         (vect_model_store_cost): Ditto.
2793         (vect_model_load_cost): Ditto.
2794         (vectorizable_store): Remove PURE_SLP check before call
2795         to vect_model_store_cost.
2796         (vect_model_store_cost): When checking whether stmt describe
2797         strided access, add a check that it is not slp_node.
2798
2799 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2800
2801         PR 8715
2802         * c-common.c (warn_for_sign_compare): New. Handle separately the
2803         case that 'constant' is zero.
2804         * c-typeck.c (build_binary_op): Move code to c-common.c
2805
2806 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2807
2808         * config/alpha/alpha.c (alpha_preferred_reload_class,
2809         alpha_secondary_reload, alpha_emit_set_const_1, function_value,
2810         alpha_output_mi_thunk_osf): Avoid C++ keywords.
2811         * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise.
2812         * config/arm/arm.md: Likewise.
2813         * config/avr/avr-protos.h (preferred_reload_class,
2814         test_hard_reg_class, avr_simplify_comparison_p,
2815         out_shift_with_cnt, class_max_nregs): Likewise.
2816         * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p,
2817         output_movqi, output_movhi, output_movsisf, out_shift_with_cnt,
2818         preferred_reload_class, test_hard_reg_class): Likewise.
2819         * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok,
2820         bfin_memory_move_cost, bfin_secondary_reload,
2821         bfin_output_mi_thunk): Likewise.
2822         * config/crx/crx.c (crx_secondary_reload_class,
2823         crx_memory_move_cost): Likewise.
2824         * config/frv/frv-protos.h (frv_secondary_reload_class,
2825         frv_class_likely_spilled_p, frv_class_max_nregs): Likewise.
2826         * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg,
2827         frv_secondary_reload_class, frv_class_likely_spilled_p,
2828         frv_class_max_nregs): Likewise.
2829         * config/h8300/h8300.c (h8300_classify_operand,
2830         h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count):
2831         Likewise.
2832         * config/i386/winnt.c (i386_pe_declare_function_type): Likewise.
2833         * config/ia64/ia64.c (ia64_preferred_reload_class,
2834         ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise.
2835         * config/iq2000/iq2000.c (gen_int_relational): Likewise.
2836         * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare):
2837         Likewise.
2838         * config/m68hc11/m68hc11.c (preferred_reload_class,
2839         m68hc11_memory_move_cost): Likewise.
2840         * config/mcore/mcore.c (mcore_secondary_reload_class,
2841         mcore_reload_class): Likewise.
2842         * config/mips/mips.c (mips_hard_regno_mode_ok_p,
2843         mips_class_max_nregs, mips_cannot_change_mode_class,
2844         mips_preferred_reload_class, mips_secondary_reload_class,
2845         mips_output_mi_thunk): Likewise.
2846         * config/mmix/mmix.c (mmix_preferred_reload_class,
2847         mmix_preferred_output_reload_class, mmix_secondary_reload_class):
2848         Likewise.
2849         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
2850         Likewise.
2851         * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions,
2852         pa_can_combine_p, pa_cannot_change_mode_class): Likewise.
2853         * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2854         * config/rs6000/rs6000.c (paired_expand_vector_init,
2855         rs6000_secondary_reload_class, rs6000_output_mi_thunk,
2856         compare_section_name, rs6000_memory_move_cost): Likewise.
2857         * config/s390/s390.c (s390_emit_compare_and_swap,
2858         s390_preferred_reload_class, s390_secondary_reload,
2859         legitimize_pic_address, legitimize_tls_address,
2860         legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic,
2861         s390_class_max_nregs): Likewise.
2862         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2863         * config/s390/s390.md: Likewise.
2864         * config/score/score-protos.h (score_secondary_reload_class,
2865         score_preferred_reload_class): Likewise.
2866         * config/score/score.c (score_preferred_reload_class,
2867         score_secondary_reload_class): Likewise.
2868         * config/score/score3.c (score3_output_mi_thunk,
2869         score3_preferred_reload_class, score3_secondary_reload_class,
2870         score3_hard_regno_mode_ok): Likewise.
2871         * config/score/score3.h (score3_preferred_reload_class,
2872         score3_secondary_reload_class): Likewise.
2873         * config/score/score7.c (score7_output_mi_thunk,
2874         score7_preferred_reload_class, score7_secondary_reload_class,
2875         score7_hard_regno_mode_ok): Likewise.
2876         * config/score/score7.h (score7_preferred_reload_class,
2877         score7_secondary_reload_class): Likewise.
2878         * config/sh/sh.c (prepare_move_operands, output_far_jump,
2879         output_branchy_insn, add_constant, gen_block_redirect,
2880         sh_insn_length_adjustment, sh_cannot_change_mode_class,
2881         sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload):
2882         Likewise.
2883         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2884         * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi,
2885         xstormy16_output_cbranch_si, xstormy16_secondary_reload_class,
2886         xstormy16_preferred_reload_class): Likewise.
2887         * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap,
2888         xtensa_expand_atomic, override_options,
2889         xtensa_preferred_reload_class, xtensa_secondary_reload_class):
2890         Likewise.
2891         * reorg.c (try_merge_delay_insns): Likewise.
2892         * tree.c (merge_dllimport_decl_attributes): Likewise.
2893
2894         * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA.
2895
2896 2008-08-06  Michael Matz  <matz@suse.de>
2897
2898         * Makefile.in (write_entries_to_file): Quote words.
2899         * gengtype.c: (read_input_line): Skip over leading white-space.
2900
2901 2008-08-06  Marc Gauthier  <marc@tensilica.com>
2902
2903         * config.gcc: Match more processor names for Xtensa.
2904         * configure.ac: Likewise.
2905         * doc/install.texi (Specific): Likewise.
2906         * configure: Regenerate.
2907
2908 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2909
2910         * builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
2911         * calls.c (avoid_likely_spilled_reg): Likewise.
2912         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
2913         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
2914         * config/i386/i386.c (ix86_expand_special_args_builtin,
2915         ix86_secondary_reload): Likewise.
2916         * except.c (struct eh_region, gen_eh_region_catch,
2917         remove_unreachable_regions, duplicate_eh_regions,
2918         assign_filter_values, build_post_landing_pads,
2919         sjlj_find_directly_reachable_regions, remove_eh_handler,
2920         reachable_next_level, foreach_reachable_handler,
2921         can_throw_internal_1, can_throw_external_1,
2922         collect_one_action_chain): Likewise.
2923         * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
2924         * fold-const.c (twoval_comparison_p, eval_subst): Likewise.
2925         * function.c (update_temp_slot_address, instantiate_new_reg,
2926         instantiate_virtual_regs_in_rtx,
2927         instantiate_virtual_regs_in_insn): Likewise.
2928         * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
2929         * gimplify.c (gimplify_call_expr, gimplify_init_constructor,
2930         gimplify_cleanup_point_expr): Likewise.
2931         * ipa-cp.c (ipcp_lattice_changed): Likewise.
2932         * passes.c (next_pass_1): Likewise.
2933         * print-tree.c (print_node_brief, print_node): Likewise.
2934         * profile.c (branch_prob): Likewise.
2935         * tree-dump.c (dump_register): Likewise.
2936         * tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
2937         Likewise.
2938         * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
2939         copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
2940         copy_edges_for_bb, copy_cfg_body, copy_tree_r,
2941         copy_arguments_for_versioning, copy_static_chain): Likewise.
2942         * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
2943         add_new_name_mapping, register_new_name_mapping): Likewise.
2944         * tree-mudflap.c (mf_xform_derefs): Likewise.
2945         * tree-predcom.c (struct chain, dump_chain, replace_ref_with,
2946         get_init_expr, combine_chains): Likewise.
2947         * tree-pretty-print.c (dump_generic_node): Likewise.
2948         * tree-ssa-structalias.c (create_variable_info_for): Likewise.
2949         * tree-vrp.c (simplify_cond_using_ranges): Likewise.
2950         * tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
2951         * value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
2952
2953 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
2954
2955         PR middle-end/37010
2956         * calls.c (expand_call): Use the biggest preferred stack
2957         boundary.
2958
2959 2008-08-06  Michael Matz  <matz@suse.de>
2960
2961         PR target/36613
2962         * reload.c (push_reload): Merge in,out,in_reg,out_reg members
2963         for reused reload, instead of overwriting them.
2964
2965 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
2966
2967         PR middle-end/37009
2968         * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
2969         for incoming stack boundary.
2970
2971         * function.c (assign_parm_find_entry_rtl): Update
2972         parm_stack_boundary.
2973
2974         * function.h (rtl_data): Add parm_stack_boundary.
2975
2976         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
2977         parm_stack_boundary for incoming stack boundary.
2978
2979 2008-08-06  Joseph Myers  <joseph@codesourcery.com>
2980
2981         * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
2982         for unrepresentable subregs or treat them as equal to other regs
2983         or subregs with the same register number.
2984
2985 2008-08-06  Aldy Hernandez  <aldyh@redhat.com>
2986
2987         PR middle-end/35432
2988         * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
2989         if want_value.
2990
2991 2008-08-06  Jan Hubicka  <jh@suse.cz>
2992
2993         * predict.c (maybe_hot_frequency_p): When profile is absent, all
2994         frequencies might be hot.
2995
2996 2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2997
2998         * reload.c (find_reloads): Force constants into literal pool
2999         also if they are wrapped in a SUBREG.
3000
3001 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3002
3003         PR target/35659
3004         * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
3005         * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
3006         Don't allow predicated instructions for data speculation.
3007         * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
3008         declaration.
3009
3010 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3011
3012         * haifa-sched.c (extend_global): Split to extend_global_data and
3013         extend_region_data.  Update all uses.
3014         (extend_all): Rename to extend_block_data.
3015
3016 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3017
3018         * sched-rgn.c (new_ready): Check if instruction can be
3019         speculatively scheduled before attempting speculation.
3020         (debug_rgn_dependencies): Remove wrongful assert.
3021
3022 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3023
3024         * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
3025
3026 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3027
3028         * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
3029         (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
3030         va_size, and type_size.
3031
3032 2008-08-04  Jason Merrill  <jason@redhat.com>
3033
3034         PR c++/37016
3035         * tree-ssa.c (useless_type_conversion_p_1): Call langhook
3036         if TYPE_STRUCTURAL_EQUALITY_P is true for both types.
3037
3038 2008-08-05  Richard Henderson  <rth@redhat.com>
3039
3040         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality.
3041         * configure: Rebuild.
3042
3043 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3044
3045         PR tree-opt/37024
3046         * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p
3047         instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment
3048         is a conversion.
3049
3050 2008-08-05  Richard Henderson  <rth@redhat.com>
3051
3052         * Makefile.in (c-cppbuiltin.o): Depend on debug.h.
3053         * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
3054         * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
3055         * common.opt (fdwarf2-cfi-asm): New.
3056         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
3057         * config.in, configure: Rebuild.
3058         * dwarf2asm.c (dw2_asm_output_data_raw): New.
3059         (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): New.
3060         (dw2_force_const_mem): Externalize.
3061         * dwarf2asm.h: Update.
3062         * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
3063         generate a real label.
3064         (output_cfi_directive): New.
3065         (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
3066         (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
3067         (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
3068         and .cfi_lsda.
3069         (dwarf2out_end_epilogue): Emit .cfi_endproc.
3070         (output_loc_operands_raw, output_loc_sequence_raw): New.
3071         (output_cfa_loc_raw): New.
3072
3073 2008-08-05  Paul Brook  <paul@codesourcery.com>
3074
3075         * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
3076         * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16.
3077         (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16.
3078         (arm_file_start): Add FPUTYPE_VFP3D16.  Rename vfp3 to vfpv3.
3079         * config/arm/arm.h (TARGET_VFPD32): Define.
3080         (TARGET_VFP3): Use TARGET_VFPD32.
3081         (fputype): Add FPUTYPE_VFP3D16.
3082         (LAST_VFP_REGNUM): Use TARGET_VFPD32.
3083         * config/arm/constraints.md ("w"): Use TARGET_VFPD32.
3084         * config/arm/arm-cores.def: Add cortex-r4f.
3085         * config/arm/arm-tune.md: Regenerate.
3086
3087 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3088
3089         * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus.
3090         Reword some comments throughout the file.
3091
3092         (MFC_MIN_DMA_LIST_ELEMENTS): New define.
3093         (MFC_MAX_DMA_LIST_ELEMENTS): Likewise.
3094         (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of MFC_MIN_DMA_LIST_ELEMENTS.
3095         (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of MFC_MAX_DMA_LIST_ELEMENTS.
3096
3097         (MFC_START_ENABLE): Remove PPU-only define.
3098         (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise.
3099         (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise.
3100
3101         (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants.
3102         (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise.
3103         (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise.
3104         (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise.
3105         (MFC_GETB_CMD, MFC_GETF_CMD): Likewise.
3106         (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise.
3107         (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise.
3108
3109         (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines.
3110         (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise.
3111         (mfc_sdcrt, mfc_sdcrtst): Likewise.
3112         (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise.
3113
3114         (spu_read_machine_status): Fix typo.
3115
3116 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3117
3118         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized
3119         SUBREG of multi-word hard register.
3120         * config/spu/spu.c (valid_subreg): Likewise.
3121         (adjust_operand): Handle SUBREGs of multi-word hard registers.
3122
3123 2008-08-04  Richard Guenther  <rguenther@suse.de>
3124
3125         * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add
3126         the candidate with the stripped base if that base is different
3127         from the original base even for offset zero.
3128
3129 2008-08-04  Richard Guenther  <rguenther@suse.de>
3130
3131         PR middle-end/36691
3132         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
3133         check for no_overflow.
3134
3135 2008-08-04  Richard Guenther  <rguenther@suse.de>
3136
3137         * tree-vect-transform.c (vectorizable_call): Fix tuplification.
3138
3139 2008-08-04  Paul Brook  <paul@codesourcery.com>
3140
3141         * cofig/arm/arm.c (thumb_core_reg_alloc_order): New.
3142         (arm_order_regs_for_local_alloc): New function.
3143         * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add
3144         prototype.
3145         * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define.
3146
3147 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3148
3149         PR target/37012
3150         * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD
3151         instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack.
3152         (ix86_expand_epilogue): Likewise.
3153
3154 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3155
3156         * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo
3157         in comments.
3158
3159 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
3160
3161         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use Yi instead of x
3162         to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES.
3163         (*movv2sf_internal_rex64): Ditto.
3164
3165 2008-08-03  Jan Hubicka  <jh@suse.cz>
3166
3167         * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
3168         expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
3169         * expmed.c (expand_smod_pow2): Likewise.
3170
3171 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
3172
3173         PR target/36992
3174         * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
3175         alternative 0 of operand 1.
3176         (*vec_concatv2di_rex64_sse): Ditto.
3177         (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
3178         of operand 1.
3179         (*sse2_storeq_rex64): Penalize allocation of "r" registers.
3180         * config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
3181         of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
3182         (*movv2sf_internal_rex64): Ditto.
3183
3184 2008-08-02  Richard Guenther  <rguenther@suse.de>
3185
3186         PR target/35252
3187         * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators.
3188         (ssedoublesizemode): New mode attribute.
3189         (sse_shufps): Call gen_sse_shufps_v4sf.
3190         (sse_shufps_1): Macroize.
3191         (sse2_shufpd): Call gen_Sse_shufpd_v2df.
3192         (sse2_shufpd_1): Macroize.
3193         (vec_extract_odd, vec_extract_even): New expanders.
3194         (vec_interleave_highv4sf, vec_interleave_lowv4sf,
3195         vec_interleave_highv2df, vec_interleave_lowv2df): Likewise.
3196         * i386.c (ix86_expand_vector_init_one_nonzero): Call
3197         gen_sse_shufps_v4sf instead of gen_sse_shufps_1.
3198         (ix86_expand_vector_set): Likewise.
3199         (ix86_expand_reduc_v4sf): Likewise.
3200
3201 2008-08-01  Doug Kwan  <dougkwan@google.com>
3202
3203         * matrix-reorg.c: Re-enable all code.
3204         (struct malloc_call_data): Change CALL_STMT to gimple type.
3205         (collect_data_for_malloc_call): Tuplify.
3206         (struct access_site_info): Change STMT to gimple type.
3207         (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT,
3208         and MALLOC_FOR_LEVEL to gimple and gimple pointer type.
3209         (struct free_info): Change STMT to gimple type.
3210         (struct matrix_access_phi_node):  Change PHI to gimple type.
3211         (get_inner_of_cast_expr): Remove.
3212         (may_flatten_matrices_1): Tuplify.
3213         (may_flatten_matrices): Ditto.
3214         (mark_min_matrix_escape_level): Ditto.
3215         (ssa_accessed_in_tree): Refactor statement RHS related code into ...
3216         (ssa_accessed_in_call_rhs): New
3217         (ssa_accessed_in_assign_rhs): New
3218         (record_access_alloc_site_info): Tuplify.
3219         (add_allocation_site): Ditto.
3220         (analyze_matrix_allocation_site): Ditto.
3221         (analyze_transpose): Ditto.
3222         (get_index_from_offset): Ditto.
3223         (update_type_size): Ditto.
3224         (analyze_accesses_for_call_expr): Tuplify and renamed into ...
3225         (analyze_accesses_for_call_stmt): New. Also handle LHS of a call.
3226         (analyze_accesses_for_phi_node): Tuplify.
3227         (analyze_accesses_for_modify_stmt): Tuplify and renamed into ...
3228         (analyze_accesses_for_assign_stmt): Remove code for handling call LHS.
3229         (analyze_matrix_accesses): Tuplify.
3230         (check_var_data): New call-back type for check_var_notmodified_p.
3231         (check_var_notmodified_p): Tuplify and use call-back struct to
3232         return statement found.
3233         (can_calculate_expr_before_stmt): Factor out statement related code
3234         into ...
3235         (can_calculate_stmt_before_stmt): New.
3236         (check_allocation_function): Tuplify.
3237         (find_sites_in_func): Ditto.
3238         (record_all_accesses_in_func): Ditto.
3239         (transform_access_sites): Ditto.
3240         (transform_allocation_sites): Ditto.
3241         (matrix_reorg): Re-enable.
3242         (gate_matrix_reorg): Re-enable.
3243
3244 2008-08-01  Jakub Jelinek  <jakub@redhat.com>
3245
3246         * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size
3247         for labels for which it hasn't been set yet.  If it has been set,
3248         stop walking insns and continue with next worklist item.
3249         (dwarf2out_stack_adjust): Don't call compute_barrier_args_size
3250         if the only BARRIER is at the very end of a function.
3251
3252 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3253
3254         * cfgexpand.c (expand_stack_alignment): Assert that
3255         stack_realign_drap and drap_rtx must match.
3256
3257         * function.c (instantiate_new_reg): If DRAP is used to realign
3258         stack, replace virtual_incoming_args_rtx with internal arg
3259         pointer.
3260
3261 2008-08-01  Richard Guenther  <rguenther@suse.de>
3262
3263         * tree-ssa-pre.c (fini_pre): Take in_fre parameter.  Free
3264         loop information only if we initialized it.
3265         (execute_pre): Call fini_pre with in_fre.
3266         * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
3267         if we do not unroll because we hit max-completely-peeled-insns.
3268         Use our estimation for consistency, do allow shrinking.
3269
3270 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3271
3272         * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY
3273         with MIN_STACK_BOUNDARY.
3274         (ix86_update_stack_boundary): Likewise.
3275         (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of
3276         STACK_BOUNDARY.
3277
3278         * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ...
3279         (MIN_STACK_BOUNDARY): This.
3280
3281 2008-08-01  Richard Guenther  <rguenther@suse.de>
3282
3283         PR middle-end/36997
3284         * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.
3285
3286 2008-08-01  Richard Guenther  <rguenther@suse.de>
3287
3288         PR tree-optimization/36988
3289         * tree-ssa-ccp.c (ccp_fold): Conversions of constants only
3290         do not matter if that doesn't change volatile qualification.
3291
3292 2008-08-01  Paolo Bonzini  <bonzini@gnu.org>
3293
3294         * configure.ac: Do not generate libada-mk.  Do not subst
3295         host_cc_for_libada.
3296         * libada-mk.in: Remove.
3297         * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars.
3298         * configure: Regenerate.
3299
3300 2008-08-01  Basile Starynkevitch  <basile@starynkevitch.net>
3301
3302         * tree-pass.h: Added comment about not dumping passes with name
3303         starting with star in struct opt_pass.
3304         * passes.c (register_dump_files_1): Don't do dump for a pass with
3305         name starting with star.
3306         * doc/passes.texi (Pass manager): Mention pass names and special
3307         meaning of star prefix to avoid dump.
3308
3309 2008-07-31  Adam Nemet  <anemet@caviumnetworks.com>
3310
3311         * config.gcc (mipsisa64r2*-*-linux*): New configuration.  Set ISA
3312         to MIPS64r2.
3313         * config/mips/mips.h (GENERATE_MIPS16E): Update comment.
3314         (ISA_MIPS64R2): New macro.
3315         (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it.
3316         (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE,
3317         ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE,
3318         ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO,
3319         ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH,
3320         ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS,
3321         ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2.
3322         (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2.
3323         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF):
3324         Move up to keep list alphabetically sorted.
3325         (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise.
3326         * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2
3327         processor.
3328         * doc/invoke.texi (MIPS Options): Add -mips64r2.
3329         (-march=@var{arch}): Add mips64r2.
3330
3331 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3332
3333         * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128.
3334
3335 2008-07-31  Steve Ellcey  <sje@cup.hp.com>
3336
3337         * expr.c (expand_assignment): Check for complete type.
3338
3339 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3340
3341         PR debug/36977
3342         * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried.
3343
3344         * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried
3345         for stack alignment.
3346
3347         * function.h (rtl_data): Add stack_realign_tried.  Update comments.
3348
3349 2008-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>
3350
3351         * config/sh/sh.c (sh_canonical_va_list_type): Remove.
3352         (TARGET_CANONICAL_VA_LIST_TYPE): Remove.
3353
3354 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
3355
3356         PR rtl-optimization/36419
3357         * dwarf2out.c (barrier_args_size): New variable.
3358         (compute_barrier_args_size, compute_barrier_args_size_1): New
3359         functions.
3360         (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
3361         if not called yet in the current function, use barrier_args_size
3362         array to find the new args_size value.
3363         (dwarf2out_frame_debug): Free and clear barrier_args_size.
3364
3365 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3366
3367         PR debug/36980
3368         * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before
3369         rule 19.
3370
3371 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3372
3373         PR debug/36976
3374         * dwarf2out.c (dwarf2out_args_size_adjust): New.
3375         (dwarf2out_stack_adjust): Use it.
3376         (dwarf2out_frame_debug_expr): Likewise.
3377
3378 2008-07-31  Richard Guenther  <rguenther@suse.de>
3379
3380         PR tree-optimization/36978
3381         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
3382         the generated condition.
3383
3384 2008-07-31  Richard Guenther  <rguenther@suse.de>
3385
3386         * passes.c (init_optimization_passes): Always call
3387         pass_early_warn_uninitialized.
3388         * opts.c (decode_options): Do not warn about -Wuninitialized at -O0.
3389         * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0.
3390         * doc/passes.texi (Warn for uninitialized variables): Adjust.
3391
3392 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
3393
3394         PR c/36970
3395         * builtins.c (maybe_emit_free_warning): New function.
3396         (expand_builtin): Process BUILT_IN_FREE even at -O0.  Call
3397         maybe_emit_free_warning for BUILT_IN_FREE.
3398
3399         PR debug/36278
3400         * dwarf2out.c (get_context_die): New function.
3401         (force_decl_die, force_type_die): Use it.
3402         (dwarf2out_imported_module_or_decl): Likewise.  If base_type_die
3403         returns NULL, force generation of DW_TAG_typedef and put that into
3404         DW_AT_import.
3405
3406         PR preprocessor/36649
3407         * c-pch.c (c_common_read_pch): Save and restore
3408         line_table->trace_includes across PCH restore.
3409
3410 2008-07-30  Eric Botcazou  <ebotcazou@adacore.com>
3411
3412         PR ada/36554
3413         * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.
3414
3415 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
3416
3417         PR 36974
3418         * final.c (call_from_call_insn): Handle COND_EXEC.
3419
3420 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
3421
3422         * builtins.c (std_gimplify_va_arg_expr): Replace
3423         PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
3424         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3425
3426 2008-07-30  Joey Ye  <joey.ye@intel.com>
3427             H.J. Lu  <hongjiu.lu@intel.com>
3428
3429         * builtins.c (expand_builtin_setjmp_receiver): Replace
3430         virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
3431         (expand_builtin_apply_args_1): Likewise.
3432         (expand_builtin_longjmp): Need DRAP for stack alignment.
3433         (expand_builtin_apply): Likewise.
3434
3435         * caller-save.c (setup_save_areas): Call assign_stack_local_1
3436         instead of assign_stack_local to allow alignment reduction.
3437
3438         * calls.c (emit_call_1): Need DRAP for stack alignment if
3439         return pops.
3440         (expand_call): Replace virtual_incoming_args_rtx with
3441         crtl->args.internal_arg_pointer.
3442         * stmt.c (expand_nl_goto_receiver): Likewise.
3443
3444         * cfgexpand.c (get_decl_align_unit): Estimate stack variable
3445         alignment and store to stack_alignment_estimated and
3446         max_used_stack_slot_alignment.
3447         (expand_one_var): Likewise.
3448         (expand_stack_alignment): New function.
3449         (tree_expand_cfg): Initialize max_used_stack_slot_alignment
3450         and stack_alignment_estimated fields in rtl_data.  Call
3451         expand_stack_alignment at end.
3452
3453         * defaults.h (INCOMING_STACK_BOUNDARY): New.
3454         (MAX_STACK_ALIGNMENT): Likewise.
3455         (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
3456         (SUPPORTS_STACK_ALIGNMENT): Likewise.
3457
3458         * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
3459         stack alignment when generating virtual registers.
3460
3461         * function.c (assign_stack_local): Renamed to ...
3462         (assign_stack_local_1): This.  Add a parameter to indicate
3463         if it is OK to reduce alignment.
3464         (assign_stack_local): Use it.
3465         (instantiate_new_reg): Instantiate virtual incoming args rtx
3466         to vDRAP if stack realignment and DRAP is needed.
3467         (assign_parms): Collect parameter/return type alignment and
3468         contribute to stack_alignment_estimated.
3469         (locate_and_pad_parm): Likewise.
3470         (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
3471         with crtl->args.internal_arg_pointer.
3472
3473         * function.h (rtl_data): Add new field drap_reg,
3474         max_used_stack_slot_alignment, stack_alignment_estimated,
3475         stack_realign_needed, need_drap, stack_realign_processed and
3476         stack_realign_finalized.
3477         (stack_realign_fp): New macro.
3478         (stack_realign_drap): Likewise.
3479
3480         * global.c (compute_regsets): Frame pointer is needed when
3481         stack is realigned.  Can eliminate frame pointer when stack is
3482         realigned and dynamic realigned argument pointer isn't used.
3483
3484         * reload1.c (update_eliminables):  Frame pointer is needed
3485         when stack is realigned.
3486         (init_elim_table): Can eliminate frame pointer when stack is
3487         realigned and dynamic realigned argument pointer isn't used.
3488
3489         * rtl.h (assign_stack_local_1): Declare new funtion.
3490
3491         * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
3492         (TARGET_GET_DRAP_RTX): Likewise.
3493         (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
3494         TARGET_GET_DRAP_RTX.
3495
3496         * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx.
3497
3498         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
3499         STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
3500
3501 2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
3502             H.J. Lu  <hongjiu.lu@intel.com>
3503
3504         * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
3505         vdrap_reg, stack_realign and drap_reg_saved.
3506         (add_cfi): Don't allow redefining CFA when DRAP is used.
3507         (reg_save): Handle stack alignment.
3508         (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
3509         alignment.  Don't generate DWARF information for (set fp sp)
3510         when DRAP is used.
3511         (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
3512         to INVALID_REGNUM.
3513         (int_loc_descriptor): Move prototype forward.  Also define if
3514         DWARF2_UNWIND_INFO is true.
3515         (output_cfa_loc): Handle DW_CFA_expression.
3516         (build_cfa_aligned_loc): New.
3517         (based_loc_descr): Update assert for stack realign.  For local
3518         variables, use sp+offset when stack is aligned without drap and
3519         fp+offset when stack is aligned with drap.  For arguments, use
3520         cfa+offset when drap is used to align stack.
3521
3522 2008-07-30  Joey Ye  <joey.ye@intel.com>
3523             H.J. Lu  <hongjiu.lu@intel.com>
3524
3525         * config/i386/i386.c (ix86_force_align_arg_pointer_string):
3526         Break long line.
3527         (ix86_gen_andsp): New.
3528         (ix86_user_incoming_stack_boundary): Likewise.
3529         (ix86_default_incoming_stack_boundary): Likewise.
3530         (ix86_incoming_stack_boundary): Likewise.
3531         (ix86_can_eliminate): Likewise.
3532         (find_drap_reg): Likewise.
3533         (ix86_update_stack_boundary): Likewise.
3534         (ix86_get_drap_rtx): Likewise.
3535         (ix86_finalize_stack_realign_flags): Likewise.
3536         (TARGET_UPDATE_STACK_BOUNDARY): Likewise.
3537         (TARGET_GET_DRAP_RTX): Likewise.
3538         (override_options): Overide option value for new options.
3539         (ix86_function_ok_for_sibcall): Remove check for
3540         force_align_arg_pointer.
3541         (ix86_handle_cconv_attribute): Likewise.
3542         (ix86_function_regparm): Likewise.
3543         (setup_incoming_varargs_64): Don't set stack_alignment_needed here.
3544         (ix86_va_start): Replace virtual_incoming_args_rtx with
3545         crtl->args.internal_arg_pointer.
3546         (ix86_select_alt_pic_regnum): Check DRAP register.
3547         (ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
3548         (ix86_compute_frame_layout): Compute frame layout wrt stack
3549         realignment.
3550         (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx.
3551         (ix86_expand_prologue): Decide if stack realignment is needed
3552         and generate prologue code accordingly.
3553         (ix86_expand_epilogue): Generate epilogue code wrt stack
3554         realignment is really needed or not.
3555
3556         * config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
3557         (ABI_STACK_BOUNDARY): Likewise.
3558         (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
3559         (STACK_REALIGN_DEFAULT): Likewise.
3560         (INCOMING_STACK_BOUNDARY): Likewise.
3561         (MAX_STACK_ALIGNMENT): Likewise.
3562         (ix86_incoming_stack_boundary): Likewise.
3563         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
3564         (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
3565         (CAN_ELIMINATE): Defined with ix86_can_eliminate.
3566         (machine_function): Remove force_align_arg_pointer.
3567
3568         * config/i386/i386.md (BX_REG): New.
3569         (R13_REG): Likewise.
3570
3571         * config/i386/i386.opt (mforce_drap): New.
3572         (mincoming-stack-boundary): Likewise.
3573         (mstackrealign): Add Init(-1).
3574
3575         * config/i386/i386-protos.h (ix86_can_eliminate): New
3576
3577 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
3578
3579         * doc/extend.texi: Update force_align_arg_pointer.
3580
3581         * doc/invoke.texi: Document -mincoming-stack-boundary.  Update
3582         -mstackrealign.
3583
3584         * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
3585         (INCOMING_STACK_BOUNDARY): Likewise.
3586         (TARGET_UPDATE_STACK_BOUNDARY): New target hook.
3587         (TARGET_GET_DRAP_RTX): Likewise.
3588
3589 2008-07-30  Andreas Schwab  <schwab@suse.de>
3590
3591         PR rtl-optimization/36929
3592         * dse.c (replace_inc_dec): Use emit_insn_before instead of
3593         add_insn_before and fix argument order.
3594         (replace_inc_dec_mem): Handle NULL rtx.
3595
3596 2008-07-30  Andrew Jenner  <andrew@codesourcery.com>
3597
3598         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New
3599         function.
3600         (arm_compute_initial_elimination_offset): Use it.
3601         (arm_compute_save_reg_mask): Include static chain save slot when
3602         calculating alignment.
3603         (arm_get_frame_offsets): Ditto.
3604         (thumb1_compute_save_reg_mask): Ensure we have a low register saved
3605         that we can use to decrement the stack when the stack decrement
3606         could be too big for an immediate value in a single insn.
3607         (thumb1_expand_prologue): Avoid using r12 for stack decrement.
3608
3609 2008-07-30  Richard Guenther  <rguenther@suse.de>
3610
3611         PR tree-optimization/36967
3612         * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p.
3613         Release defs of statements we remove.
3614
3615 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
3616
3617         * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
3618         instead of NULL_RTVEC.
3619
3620 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
3621
3622         PR target/35866
3623
3624         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for
3625         vector modes.
3626
3627 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
3628
3629         * final.c (call_from_call_insn): New.
3630         (final_scan_insn): Call assemble_external on FUNCTION_DECLs.
3631
3632 2008-07-30  Paolo Bonzini  <bonzini@gnu.org>
3633
3634         * configure.ac: Substitute ADA_CFLAGS.
3635         * configure: Regenerate.
3636         * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files.
3637         * Makefile.in: Remove mention of X_* variables.
3638         * config/pa/x-ada-hpux10: Remove.
3639         * config/pa/x-ada: Remove.
3640
3641         * doc/fragments.texi: Update.
3642
3643 2008-07-30  Olivier Hainque  <hainque@adacore.com>
3644
3645         * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini.
3646         * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide
3647         __dso_handle explicitly here.
3648
3649 2008-07-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3650
3651         PR 34389
3652         * c-typeck.c (build_binary_op): Encapsulate code into...
3653         * c-common.c (shorten_binary_op): ...this new function.
3654         (conversion_warning): Use the new function. Handle non-negative
3655         constant in bitwise-and.
3656         * c-common.h (shorten_binary_op): Declare.
3657
3658 2008-07-30  Olivier Hainque  <hainque@adacore.com>
3659
3660         * scan.c (make_sstring_space): Add explicit conversions of
3661         allocator's return value.
3662         * fix-header.c (recognized_function): Likewise.
3663
3664 2008-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3665
3666         * doc/cpp.texi: Update to GFDL 1.2.
3667         * doc/gcc.texi: Do not list GPL as Invariant Section.
3668         * doc/gccint.texi: Likewise.  Update copyright years.
3669         * doc/install.texi: Update copyright years.
3670
3671 2008-07-30  Alan Modra  <amodra@bigpond.net.au>
3672
3673         PR target/36955
3674         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add
3675         a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls.
3676
3677 2008-07-29  Jan Hubicka  <jh@suse.cz>
3678
3679         * c-decl.c (merge_decls): Do not handle DECL_INLINE.
3680         (grokdeclarator): Likewise.
3681         * langhooks.c (lhd_warn_unused_global_decl): Use
3682         DECL_DECLARED_INLINE_P.
3683         * print-tree.c (print_node): Remove DECL_INLINE check.
3684
3685 2008-07-29  Richard Guenther  <rguenther@suse.de>
3686
3687         PR tree-optimization/36945
3688         * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
3689         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
3690         Record invariant addresses un-decomposed.
3691         (copy_reference_ops_from_call): Record reference call
3692         arguments properly.  Simplify.
3693         * tree-ssa-pre.c (create_component_ref_by_pieces_1): New
3694         helper split out from ...
3695         (create_component_ref_by_pieces): ... here.  Simplify.
3696         Prepare for recursive invocation for call arguments.
3697         (create_expression_by_pieces): Adjust call to
3698         create_component_ref_by_pieces.
3699         (compute_avail): Process operand 2 of reference ops.
3700
3701 2008-07-29  Richard Guenther  <rguenther@suse.de>
3702
3703         * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.
3704
3705 2008-07-29  Jakub Jelinek  <jakub@redhat.com>
3706
3707         * c-format.c (check_format_types): Revert unwanted checkin.
3708
3709 2008-07-29  Jan Hubicka  <jh@suse.cz>
3710
3711         * flags.h (flag_really_no_inline): Remove.
3712         * cgraph.c (cgraph_function_possibly_inlined_p): Simplify.
3713         * toplev.c (flag_really_no_inline): Remove.
3714         * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline.
3715         * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline.
3716         (cgraph_decide_inlining_incrementally): Likewise.
3717         (compute_inline_parameters): Likewise.
3718         * opts.c (decode_options): Simplify.
3719         * c-opts.c (c_common_post_options): Do not set flag_no_inline.
3720         * common.opt (finline): Initialize to 1.
3721         * tree-inline.c (inlinable_function_p): Check flag_no_inline.
3722
3723 2008-07-29  Jan Hubicka  <jh@suse.cz>
3724
3725         * predict.c (always_optimize_for_size_p): New function.
3726         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
3727         optimize_edge_for_size_p, optimize_edge_for_speed_p,
3728         optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
3729         functions.
3730         (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
3731         * function.c (prepare_function_start): Set default profile.
3732         * function.h (rtl_data): Add maybe_hot_insn_p.
3733         * cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
3734         (construct_exit_block): Likewise.
3735         (tree_expand_cfg): Likewise.
3736         * basic-block.h
3737         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
3738         optimize_edge_for_size_p, optimize_edge_for_speed_p,
3739         optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
3740         (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
3741         Declare.
3742
3743 2008-07-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3744
3745         PR 34985
3746         * c-decl.c (merge_decls): Merge USED flags.
3747
3748 2008-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3749
3750         * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
3751         valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
3752         next_stack, lab_false and lab_over trees.
3753
3754 2008-07-28  Richard Guenther  <rguenther@suse.de>
3755
3756         PR tree-optimization/36957
3757         * tree-flow.h (tree_ssa_useless_type_conversion): Remove.
3758         (useless_type_conversion_p): Remove.
3759         (types_compatible_p): Remove.
3760         * gimple.h (tree_ssa_useless_type_conversion): Declare.
3761         (useless_type_conversion_p): Declare.
3762         (types_compatible_p): Declare.
3763         (gimple_expr_type): Return the base type only if it is
3764         trivially convertible to the subtype.
3765
3766 2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>
3767
3768         * configure.ac: Use the m4_do macro to concatenate the warnings into
3769         one string in ACX_PROG_CC_WARNING_OPTS,
3770         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and ACX_PROG_CC_WARNINGS_ARE_ERRORS.
3771         * configure: Regenerate.
3772
3773 2008-07-28  Richard Guenther  <rguenther@suse.de>
3774
3775         * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
3776         (insert_fake_stores): Remove.
3777         (realify_fake_stores): Likewise.
3778         (execute_pre): Remove dead code.
3779         * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case.
3780         (find_func_aliases): Deal with it here instead.
3781         Re-enable gcc_unreachable call.
3782
3783 2008-07-28  Richard Guenther  <rguenther@suse.de>
3784
3785         Merge from gimple-tuples-branch.
3786
3787         * ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
3788         * gimple.def: New file.
3789         * gsstruct.def: Likewise.
3790         * gimple-iterator.c: Likewise.
3791         * gimple-pretty-print.c: Likewise.
3792         * tree-gimple.c: Removed.  Merged into ...
3793         * gimple.c: ... here.  New file.
3794         * tree-gimple.h: Removed.  Merged into ...
3795         * gimple.h: ... here.  New file.
3796
3797         * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
3798         * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
3799         --enable-checking=gimple flag.
3800         * config.in: Likewise.
3801         * configure: Regenerated.
3802
3803         * tree-ssa-operands.h: Tuplified.
3804         * tree-vrp.c: Likewise.
3805         * tree-loop-linear.c: Likewise.
3806         * tree-into-ssa.c: Likewise.
3807         * tree-ssa-loop-im.c: Likewise.
3808         * tree-dump.c: Likewise.
3809         * tree-complex.c: Likewise.
3810         * cgraphbuild.c: Likewise.
3811         * tree-ssa-threadupdate.c: Likewise.
3812         * tree-ssa-loop-niter.c: Likewise.
3813         * tree-pretty-print.c: Likewise.
3814         * tracer.c: Likewise.
3815         * gengtype.c: Likewise.
3816         * tree-loop-distribution.c: Likewise.
3817         * tree-ssa-loop-unswitch.c: Likewise.
3818         * cgraph.c: Likewise.
3819         * cgraph.h: Likewise.
3820         * tree-ssa-loop-manip.c: Likewise.
3821         * value-prof.c: Likewise.
3822         * tree-ssa-loop-ch.c: Likewise.
3823         * tree-tailcall.c: Likewise.
3824         * value-prof.h: Likewise.
3825         * tree.c: Likewise.
3826         * tree.h: Likewise.
3827         * tree-pass.h: Likewise.
3828         * ipa-cp.c: Likewise.
3829         * tree-scalar-evolution.c: Likewise.
3830         * tree-scalar-evolution.h: Likewise.
3831         * target.h: Likewise.
3832         * lambda-mat.c: Likewise.
3833         * tree-phinodes.c: Likewise.
3834         * diagnostic.h: Likewise.
3835         * builtins.c: Likewise.
3836         * tree-ssa-alias-warnings.c: Likewise.
3837         * cfghooks.c: Likewise.
3838         * fold-const.c: Likewise.
3839         * cfghooks.h: Likewise.
3840         * omp-low.c: Likewise.
3841         * tree-ssa-dse.c: Likewise.
3842         * ipa-reference.c: Likewise.
3843         * tree-ssa-uncprop.c: Likewise.
3844         * toplev.c: Likewise.
3845         * tree-gimple.c: Likewise.
3846         * tree-gimple.h: Likewise.
3847         * tree-chrec.c: Likewise.
3848         * tree-chrec.h: Likewise.
3849         * tree-ssa-sccvn.c: Likewise.
3850         * tree-ssa-sccvn.h: Likewise.
3851         * cgraphunit.c: Likewise.
3852         * tree-ssa-copyrename.c: Likewise.
3853         * tree-ssa-ccp.c: Likewise.
3854         * tree-ssa-loop-ivopts.c: Likewise.
3855         * tree-nomudflap.c: Likewise.
3856         * tree-call-cdce.c: Likewise.
3857         * ipa-pure-const.c: Likewise.
3858         * c-format.c: Likewise.
3859         * tree-stdarg.c: Likewise.
3860         * tree-ssa-math-opts.c: Likewise.
3861         * tree-ssa-dom.c: Likewise.
3862         * tree-nrv.c: Likewise.
3863         * tree-ssa-propagate.c: Likewise.
3864         * ipa-utils.c: Likewise.
3865         * tree-ssa-propagate.h: Likewise.
3866         * tree-ssa-alias.c: Likewise.
3867         * gimple-low.c: Likewise.
3868         * tree-ssa-sink.c: Likewise.
3869         * ipa-inline.c: Likewise.
3870         * c-semantics.c: Likewise.
3871         * dwarf2out.c: Likewise.
3872         * expr.c: Likewise.
3873         * tree-ssa-loop-ivcanon.c: Likewise.
3874         * predict.c: Likewise.
3875         * tree-ssa-loop.c: Likewise.
3876         * tree-parloops.c: Likewise.
3877         * tree-ssa-address.c: Likewise.
3878         * tree-ssa-ifcombine.c: Likewise.
3879         * matrix-reorg.c: Likewise.
3880         * c-decl.c: Likewise.
3881         * tree-eh.c: Likewise.
3882         * c-pretty-print.c: Likewise.
3883         * lambda-trans.c: Likewise.
3884         * function.c: Likewise.
3885         * langhooks.c: Likewise.
3886         * ebitmap.h: Likewise.
3887         * tree-vectorizer.c: Likewise.
3888         * function.h: Likewise.
3889         * langhooks.h: Likewise.
3890         * tree-vectorizer.h: Likewise.
3891         * ipa-type-escape.c: Likewise.
3892         * ipa-type-escape.h: Likewise.
3893         * domwalk.c: Likewise.
3894         * tree-if-conv.c: Likewise.
3895         * profile.c: Likewise.
3896         * domwalk.h: Likewise.
3897         * tree-data-ref.c: Likewise.
3898         * tree-data-ref.h: Likewise.
3899         * tree-flow-inline.h: Likewise.
3900         * tree-affine.c: Likewise.
3901         * tree-vect-analyze.c: Likewise.
3902         * c-typeck.c: Likewise.
3903         * gimplify.c: Likewise.
3904         * coretypes.h: Likewise.
3905         * tree-ssa-phiopt.c: Likewise.
3906         * calls.c: Likewise.
3907         * tree-ssa-coalesce.c: Likewise.
3908         * tree.def: Likewise.
3909         * tree-dfa.c: Likewise.
3910         * except.c: Likewise.
3911         * except.h: Likewise.
3912         * cfgexpand.c: Likewise.
3913         * tree-cfgcleanup.c: Likewise.
3914         * tree-ssa-pre.c: Likewise.
3915         * tree-ssa-live.c: Likewise.
3916         * tree-sra.c: Likewise.
3917         * tree-ssa-live.h: Likewise.
3918         * tree-predcom.c: Likewise.
3919         * lambda.h: Likewise.
3920         * tree-mudflap.c: Likewise.
3921         * ipa-prop.c: Likewise.
3922         * print-tree.c: Likewise.
3923         * tree-ssa-copy.c: Likewise.
3924         * ipa-prop.h: Likewise.
3925         * tree-ssa-forwprop.c: Likewise.
3926         * ggc-page.c: Likewise.
3927         * c-omp.c: Likewise.
3928         * tree-ssa-dce.c: Likewise.
3929         * tree-vect-patterns.c: Likewise.
3930         * tree-ssa-ter.c: Likewise.
3931         * tree-nested.c: Likewise.
3932         * tree-ssa.c: Likewise.
3933         * lambda-code.c: Likewise.
3934         * tree-ssa-loop-prefetch.c: Likewise.
3935         * tree-inline.c: Likewise.
3936         * tree-inline.h: Likewise.
3937         * tree-iterator.c: Likewise.
3938         * tree-optimize.c: Likewise.
3939         * tree-ssa-phiprop.c: Likewise.
3940         * tree-vect-transform.c: Likewise.
3941         * tree-object-size.c: Likewise.
3942         * tree-outof-ssa.c: Likewise.
3943         * cfgloop.c: Likewise.
3944         * system.h: Likewise.
3945         * tree-profile.c: Likewise.
3946         * cfgloop.h: Likewise.
3947         * c-gimplify.c: Likewise.
3948         * c-common.c: Likewise.
3949         * tree-vect-generic.c: Likewise.
3950         * tree-flow.h: Likewise.
3951         * c-common.h: Likewise.
3952         * basic-block.h: Likewise.
3953         * tree-ssa-structalias.c: Likewise.
3954         * tree-switch-conversion.c: Likewise.
3955         * tree-ssa-structalias.h: Likewise.
3956         * tree-cfg.c: Likewise.
3957         * passes.c: Likewise.
3958         * ipa-struct-reorg.c: Likewise.
3959         * ipa-struct-reorg.h: Likewise.
3960         * tree-ssa-reassoc.c: Likewise.
3961         * cfgrtl.c: Likewise.
3962         * varpool.c: Likewise.
3963         * stmt.c: Likewise.
3964         * tree-ssanames.c: Likewise.
3965         * tree-ssa-threadedge.c: Likewise.
3966         * langhooks-def.h: Likewise.
3967         * tree-ssa-operands.c: Likewise.
3968         * config/alpha/alpha.c: Likewise.
3969         * config/frv/frv.c: Likewise.
3970         * config/s390/s390.c: Likewise.
3971         * config/m32c/m32c.c: Likewise.
3972         * config/m32c/m32c-protos.h: Likewise.
3973         * config/spu/spu.c: Likewise.
3974         * config/sparc/sparc.c: Likewise.
3975         * config/i386/i386.c: Likewise.
3976         * config/sh/sh.c: Likewise.
3977         * config/xtensa/xtensa.c: Likewise.
3978         * config/stormy16/stormy16.c: Likewise.
3979         * config/ia64/ia64.c: Likewise.
3980         * config/rs6000/rs6000.c: Likewise.
3981         * config/pa/pa.c: Likewise.
3982         * config/mips/mips.c: Likewise.
3983
3984 2008-07-28  Simon Baldwin  <simonb@google.com>
3985
3986         * c-pragma.c (handle_pragma_message): New function.
3987         (init_pragma): Register handle_pragma_message.
3988         * doc/extend.texi (Diagnostic Pragmas): Added #pragma message
3989         documentation.
3990
3991 2008-07-27  Victor Kaplansky  <victork@il.ibm.com>
3992
3993         PR tree-optimization/35252
3994         * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and
3995         REALPART_EXPR to be considered as same load operation.
3996
3997 2008-07-27  Eric Botcazou  <ebotcazou@adacore.com>
3998
3999         PR tree-optimization/36830
4000         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2.
4001         (expressions_equal_p): Return false if only one operand is null.
4002
4003 2008-07-26  Gerald Pfeifer  <gerald@pfeifer.com>
4004
4005         * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo
4006         version requirements.
4007
4008 2008-07-26  Olivier Hainque  <hainque@adacore.com>
4009
4010         * collect2.c (symkind): New enum.  Symbol kinds we care about.
4011         (is_ctor_dtor): Return symkind instead of int.  Adjust prototype,
4012         code and head comment accordingly.
4013         (scan_prog_file): Use symkind names instead of bare integers.
4014
4015 2008-07-25  Jan Hubicka  <jh@suse.cz>
4016
4017         * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on
4018         DECL_INLINE.
4019         * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE
4020         (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE.
4021         * dojump.c (clear_pending_stack_adjust): Likewise.
4022         * print-tree.c (print_node): Ignore DECL_INLINE.
4023         * tree-inline.c (inlinable_function_p): Likewise.
4024
4025 2008-07-25  Michael Meissner  <gnu@the-meissners.org>
4026
4027         * doc/extend.texi (hot attribute): Document that the hot attribute
4028         turns on -O3 for some ports.
4029         (cold attribute): Document that the cold attribute turns on -Os
4030         for some ports
4031
4032         * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to
4033         reflect function specific option support.
4034
4035         * target.h (struct target_option_hooks): Add fields to say whether
4036         the cold attribute implies -Os and the hot attribute implies -O3.
4037
4038         * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION):
4039         By default, do not turn on -Os for cold functions.
4040         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do
4041         not turn on -O3 for hot functions.
4042
4043         * c-common.c (handle_hot_attribute): Use target hook to determine
4044         if hot functions should enable -O3.
4045         (handle_cold_attribute): Use target hook to determine if cold
4046         functions should enable -Os.
4047
4048         * config/i386/i386.c (ix86_target_string): Add -m3dnowa support.
4049         (override_options): Move disable scheduling to
4050         optimization_options.
4051         (optimization_options): Disable scheduling here, not
4052         override_options.
4053         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4054         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4055
4056         * config/ia64/ia64.c (ia64_override_options): Move setting
4057         scheduling flags to ia64_optimization_options.
4058         (ia64_optimization_options): Disable scheduling options here, and
4059         not in ia64_override_options.
4060         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4061         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4062
4063 2008-07-25  H.J. Lu  <hongjiu.lu@intel.com>
4064
4065         PR target/36936
4066         * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE.
4067
4068 2008-07-25  Martin Jambor  <mjambor@suse.cz>
4069
4070         PR tree-optimization/36926
4071         * ipa-prop.c (ipa_analyze_call_uses): Call
4072         ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF.
4073
4074 2008-07-25  Joseph Myers  <joseph@codesourcery.com>
4075
4076         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4077         movv2si_internal): Add mem = reg alternative.
4078
4079 2008-07-25  Andreas Tobler  <a.tobler@schweiz.org>
4080
4081         PR bootstrap/36918
4082         * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define
4083         DEFAULT_PCC_STRUCT_RETURN to 127.
4084
4085 2008-07-24  Jan Hubicka  <jh@suse.cz>
4086
4087         * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
4088         (build_cgraph_edges): Likewise.
4089         * cgraph.c (cgraph_node): Do not update assembler hash.
4090         (cgraph_remove_node): Drop non-unit-at-a-time code.
4091         * tree-pass.h (pass_O0_always_inline): Remove.
4092         * ipa-reference.c (gate_reference): Remove unit-at-a-time check.
4093         * toplev.c (process_options): Flag unit-at-a-time does not imply
4094         no section anchors.
4095         * cgraphunit.c: Update comments.
4096         (decide_is_function_needed): Drop non-unit-at-a-time mode.
4097         (cgraph_assemble_pending_functions): Remove.
4098         (cgraph_reset_node): Drop non-unit-at-a-time code.
4099         (cgraph_finalize_function): Likewise.
4100         (cgraph_analyze_function): Likewise.
4101         (cgraph_finalize_compilation_unit): Likewise.
4102         (cgraph_expand_function): Likewise.
4103         (cgraph_optimize): Likesise.
4104         (save_inline_function_body): Likewise.
4105         * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
4106         * tree-ssa-alias.c (maybe_be_aliased): Likewise.
4107         * ipa-inline.c: Update comments.
4108         (enum inlining_mode): remove INLINE_SPEED.
4109         (cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
4110         (cgraph_mark_inline_edge): Likewise.
4111         (try_inline): Likewise.
4112         (cgraph_decide_inlining_incrementally): Likewise.
4113         (cgraph_gate_inlining): Remove.
4114         (cgraph_early_inlining): Remove flag_unit_at_a_time checks.
4115         (cgraph_gate_early_inlining): Likewise.
4116         (gate_inline_passes): Remove.
4117         (pass_inline_parameters, pass_ipa_inline): Remove gates.
4118         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
4119         pass_O0_always_inline): Remove.
4120         * c-pch.c (c_pch_matching): Remove -funit-at-a-time.
4121         * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
4122         * opts.c (no_unit_at_a_time_default): Remove.
4123         (decode_options): Remove flag_unit_at_a_time reset and warning.
4124         * opts.h (no_unit_at_a_time_default): Remove.
4125         * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
4126         early in GNU dialect.
4127         (merge_decls): Update comment; drop unit-at-a-time check.
4128         (finish_decl): Likewise.
4129         (grok_declaration): Remove flag_inline_trees code.
4130         (finish_functions): Return on function returning non-void on all
4131         statics.
4132         * ipa-tye-escape.c (gate_type_escape_vars): Remove.
4133         * cfgexpand.c (expand_one_static_var): Remove.
4134         (expand_one_var): Remove expand_one_static_var call.
4135         (expand_used_vars_for_block): Remove flag_unit_a_time check.
4136         * c-opts.c (c_common_post_options): Remove flag_inline_trees code
4137         and flag_unit_at_a-time compatibility checks.
4138         * varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
4139         * tree-inline.c (flag_inline_trees): Remove.
4140         (inlinable_function_p): Don't check it.
4141         (expand_call_inline): Remove non-unit-at-a-time code.
4142         * tree-inline.h (flag_inline_trees): Remove.
4143         * tree-optimize.c (execute_early_local_optimizations): Remove
4144         unit-at-a-time checks.
4145         (tree_rest_of_compilation): Likewise.
4146         * combine.c (setup_incoming_promotions): Likewise.
4147         * tree-profile.c (tree_gen_ic_func_profiler): Likewise.
4148         * tree-ssa-structalias.c (delete_points_to_sets): Likewise.
4149         * passes.c (pass_inline_parameters): Update comments; remove
4150         O0_alwaysinline pass.
4151         (execute_one_ipa_transform_pass): Do not reset in_gimple_form.
4152         (execute_one_pass): Likewise.
4153         * i386.c (ix86_function_regparm): Remove unit-at-a-time check.
4154         (ix86_function_sseregparm): Likewise.
4155         * arm.c (arm_function_in_section_p): Likewise.
4156         * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
4157         * varpool.c: Update comments.
4158         (decide_is_variable_needed): Remove unit-at-a-time checks.
4159         (varpool_finalize_decl): Likewise.
4160
4161 2008-07-24  Kaz Kojima  <kkojima@gcc.gnu.org>
4162
4163         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer
4164         to 2 instead of -1.
4165         (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2.
4166
4167 2008-07-24  Kai Tietz  <kai.tietz@onevision.com>
4168
4169         * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for
4170         imp symbol extension.
4171
4172         2008-07-23  Ian Lance Taylor  <iant@google.com>
4173
4174         * tree-vrp.c (infer_value_range): Ignore asm statements when
4175         looking for memory accesses for -fdelete-null-pointer-checks.
4176
4177 2008-07-24  Ben Elliston  <bje@au.ibm.com>
4178
4179         * config/spu/spu-c.c (__vector_keyword): New variable.
4180         (vector_keyword): Likewise.
4181         (spu_categorize_keyword): New function.
4182         (spu_macro_to_expand): Likewise.
4183         (spu_cpu_cpp_builtins): Enable context-sensitive macros if not
4184         compiling an ISO C dialect.
4185
4186 2008-07-24  Ben Elliston  <bje@au.ibm.com>
4187
4188         * config/rs6000/rs6000-c.c: Move GTY(()) markers to match
4189         conventional usage.
4190
4191 2008-07-23  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
4192
4193         * configure: Regenerate.
4194         * configure.ac: Require texinfo 4.7.
4195         * doc/install.texi: Document texinfo 4.7 requirement.
4196
4197 2008-07-23  Martin Jambor  <mjambor@suse.cz>
4198
4199         * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed
4200         rather than for DECL_SAVED_TREE.
4201         * ipa-prop.c: Include diagnostic.h.
4202         (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs
4203         thoroughly.
4204         (ipa_detect_param_modifications): Function rewritten from scratch.
4205         (ipa_compute_jump_functions): Changed accesses to modification flags.
4206         (ipa_free_node_params_substructures): Update flags destruction.
4207         (ipa_node_duplication_hook): Update flags duplication.
4208         (ipa_print_all_params_modified): Updated flag access.
4209         * ipa-prop.h (struct ipa_param_flags): New structure.
4210         (struct ipa_node_params): New field modification_analysis_done,
4211         modified_flags changed into param_flags.
4212         (ipa_is_ith_param_modified): Changed to use new flags.
4213         * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies.
4214
4215         * ipa-prop.c (ipa_print_all_jump_functions): Moved here from
4216         ipa-cp.c and split into two functions.
4217         (ipa_print_node_jump_functions): New function.
4218         (compute_scalar_jump_functions): New function.
4219         (type_like_member_ptr_p): New function.
4220         (compute_pass_through_member_ptrs): New function.
4221         (fill_member_ptr_cst_jump_function): New function.
4222         (determine_cst_member_ptr): New function.
4223         (compute_cst_member_ptr_arguments): New function.
4224         (ipa_compute_jump_functions): Complete rewrite.
4225         * ipa-prop.h (enum jump_func_type): Make explicit that we depend
4226         on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR.
4227         (struct ipa_member_ptr_cst): New structure.
4228         (union jump_func_value): New field member_cst.
4229         * ipa-cp.c (ipcp_lat_is_insertable): New function.
4230         (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled
4231         jump function types.
4232         (ipcp_print_all_lattices): Slight fprintf rearrangement.
4233         (ipcp_print_all_structures): Call ipa_print_all_jump_functions
4234         instead of ipcp_print_all_jump_functions.
4235         (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps
4236         only for replacable scalars.
4237
4238         * doc/invoke.texi (Optimize options): Add description of
4239         -findirect-inlining.
4240         * common.opt (flag_indirect_inlining): New flag.
4241         * opts.c (decode_options): Set flag_indirect_inlining when
4242         optimize >= 3.
4243
4244         * ipa-inline.c: Include ipa-prop.h.
4245         (inline_indirect_intraprocedural_analysis): New function.
4246         (inline_generate_summary): Allocate parameter and argument info
4247         structures, call inline_indirect_intraprocedural_analysis on each
4248         node when doing indirect inlining and deallocate indirect inlining
4249         data structures in the end.
4250         * ipa-prop.c (ipa_create_param_decls_array): Return if already done.
4251         (free_all_ipa_structures_after_iinln): New function.
4252         (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be
4253         done.
4254         * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies.
4255
4256         * cgraphbuild.c (compute_call_stmt_bb_frequency): New function.
4257         (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead
4258         of computing the frequency separately.
4259         (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead
4260         of computing the frequency separately.
4261         * ipa-cp.c (ipcp_print_all_structures): Replace a call to
4262         ipa_print_all_param_modified with a call to ipa_print_all_param_flags.
4263         * ipa-prop.c (ipa_get_member_ptr_load_param): New function.
4264         (ipa_get_stmt_member_ptr_load_param): New function.
4265         (ipa_is_ssa_with_stmt_def): New function.
4266         (ipa_note_param_call): New function.
4267         (ipa_analyze_call_uses): New function.
4268         (ipa_analyze_stmt_uses): New function.
4269         (ipa_analyze_params_uses): New function.
4270         (ipa_free_node_params_substructures): Also free the param_calls linked
4271         list.
4272         (ipa_node_duplication_hook): Also duplicate the param_calls linked list.
4273         (ipa_print_node_param_flags): New function.
4274         (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags.
4275         (ipa_print_all_param_flags): Calls ipa_print_node_param_flags.
4276         * ipa-prop.h (struct ipa_param_flags): New field called.
4277         (struct ipa_param_call_note): New structure.
4278         (struct ipa_node_params): New fields param_calls and
4279         uses_analysis_done.
4280         (ipa_is_ith_param_called): New function.
4281         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
4282         ipa_analyze_params_uses and dump parameter flags.
4283
4284         * ipa-inline.c (cgraph_decide_recursive_inlining): Call
4285         ipa_propagate_indirect_call_infos if performing indirect inlining,
4286         pass a new parameter new_edges to it.
4287         (add_new_edges_to_heap): New fucntion.
4288         (cgraph_decide_inlining_of_small_functions): New vector
4289         new_indirect_edges for newly found indirect edges , call
4290         ipa_propagate_indirect_call_infos after inlining.
4291         (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after
4292         inlining if performing indirect inlining.  Call
4293         free_all_ipa_structures_after_iinln when doing so too.
4294         (inline_generate_summary): Do not call
4295         free_all_ipa_structures_after_iinln here.
4296         * ipa-prop.c (update_jump_functions_after_inlining): New function.
4297         (print_edge_addition_message): New function.
4298         (update_call_notes_after_inlining): New function.
4299         (propagate_info_to_inlined_callees): New function.
4300         (ipa_propagate_indirect_call_infos): New function.
4301         * ipa-prop.h: Include cgraph.h
4302         (struct ipa_param_call_note): Fields reordered, new field processed.
4303         * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new
4304         flag indirect_call.
4305         * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have
4306         rediscovered call statements.
4307         * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero.
4308         (dump_cgraph_node): Dump also the indirect_call flag.
4309         (cgraph_clone_edge): Copy also the indirect_call flag.
4310         * tree-inline.c (copy_bb): Do not check for fndecls from call
4311         expressions, check for edge availability when moving clones.
4312         (get_indirect_callee_fndecl): New function.
4313         (expand_call_inline): If callee declaration is not apprent from
4314         the statement, try calling get_indirect_callee_fndecl.  Do not
4315         issue warnings or call sorry when not inlinings an indirect edge.
4316         * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies.
4317
4318         * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a
4319         bit more frandly to matching.
4320         * testsuite/g++.dg/ipa/iinline-1.C: New testcase.
4321         * testsuite/gcc.dg/ipa/iinline-1.c: New testcase.
4322         * testsuite/gcc.dg/ipa/modif-1.c: New testcase.
4323
4324 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4325
4326         PR 36907
4327         * opth-gen.awk: Suppress function specific features when building
4328         target libraries.
4329         * optc-gen.awk: Ditto.
4330
4331 2008-07-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4332
4333         PR 35058
4334         * diagnostic.c (pedwarn): Add opt parameter.
4335         (pedwarn0): New.
4336         * c-tree.h (pedwarn_init): Add opt parameter.
4337         (pedwarn_c90): Likewise.
4338         (pedwarn_c99): Likewise.
4339         * c-errors.c (pedwarn_c99): Likewise.
4340         (pedwarn_c90): Likewise.
4341         * toplev.h (pedwarn): Update declaration.
4342         (pedwarn0): Declare.
4343         * c-lex.c: All calls to pedwarn changed.
4344         * builtins.c: All calls to pedwarn changed.
4345         * toplev.c: All calls to pedwarn changed.
4346         * c-decl.c: All calls to pedwarn changed.
4347         * c-typeck.c: All calls to pedwarn changed.
4348         * c-common.c: All calls to pedwarn changed.
4349         * c-parser.c: All calls to pedwarn changed.
4350
4351 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4352             Karthik Kumar  <karthikkumar@gmail.com>
4353
4354         * attribs.c (file scope): Include c-common.h.
4355         (decl_attributes): Add support for #pragma GCC optimize and
4356         #pragma GCC option.
4357
4358         * targhooks.c (default_can_inline_p): New function that is the
4359         default for the TARGET_CAN_INLINE_P target hook.
4360
4361         * targhooks.h (default_can_inline_p): Add declaration.
4362
4363         * tree.c (cl_optimization_node): New static tree for building
4364         OPTIMIZATION_NODE tree.
4365         (cl_target_option_node): New static tree for building
4366         TARGET_OPTION_NODE tree.
4367         (cl_option_hash_table): New hash table for hashing
4368         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4369         (cl_option_hash_hash): New function to provide the hash value for
4370         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4371         (cl_option_hash_eq): New function to provide an equality test for
4372         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4373         (tree_code_size): Add support for OPTIMIZATION_NODE and
4374         TARGET_OPTION_NODE trees.
4375         (tree_code_structure): Add support for OPTIMIZATION_NODE and
4376         TARGET_OPTION_NODE trees.
4377         (build_optimization_node): Build a tree that has all of the
4378         current optimization options.
4379         (build_target_option_node): Build a tree that has the target
4380         options that might be changed on a per function basis.
4381
4382         * tree.h (file scope): Include options.h.
4383         (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro.
4384         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
4385         (TREE_OPTIMIZATION): Ditto.
4386         (TREE_TARGET_SPECIFIC): Ditto.
4387         (struct tree_function_decl): Add fields for remembering the
4388         current optimization options and target specific options.
4389         (struct tree_optimization_option): New tree variant that remembers
4390         the optimization options.
4391         (struct tree_target_option): New tree variant that remembers the
4392         target specific flags that might change for compiling a particular
4393         function.
4394         (union tree_node): Include tree_optimization_option and
4395         tree_target_option fields.
4396         (enum tree_index): Add TI_OPTIMIZATION_DEFAULT,
4397         TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD,
4398         TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT,
4399         TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA,
4400         TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific
4401         optimization and target options.
4402         (optimization_default_node): New macro to refer to global_trees
4403         field.
4404         (optimization_current_node): Ditto.
4405         (optimization_cold_node): Ditto.
4406         (optimization_hot_node): Ditto.
4407         (target_option_default_node): Ditto.
4408         (target_option_current_node): Ditto.
4409         (current_option_pragma): Ditto.
4410         (current_optimize_pragma): Ditto.
4411
4412         * target.h (struct gcc_target): Add valid_option_attribute_p,
4413         target_option_save, target_option_restore, target_option_print,
4414         target_option_pragma_parse, and can_inline_p hooks.
4415
4416         * toplev.h (parse_optimize_options): Add declaration.
4417         (fast_math_flags_struct_set_p): Ditto.
4418
4419         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to
4420         adjust the current __OPTIMIZE__, etc. macros when #pragma GCC
4421         optimize is used.
4422
4423         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call
4424         tree_can_inline_p hook to see if one function can inline another.
4425         (cgraph_decide_inlining): Ditto.
4426         (cgraph_decide_inlining_incrementally): Ditto.
4427
4428         * opts.c (decode_options): Add support for running multiple times
4429         to allow functions with different target or optimization options
4430         than was specified on the command line.
4431         (fast_math_flags_struct_set_p): New function that is similar to
4432         fast_math_flags_set_p, except it uses the values in the
4433         cl_optimization structure instead of global variables.
4434
4435         * optc-gen.awk: Add support for TargetSave to allow a back end to
4436         declare new fields that need to be saved when using function
4437         specific options.  Include flags.h and target.h in the options.c
4438         source.  Add support for Save to indicate which options can be set
4439         for individual functions.  Generate cl_optimize_save,
4440         cl_optimize_restore, cl_optimize_print, cl_target_option_save,
4441         cl_target_option_restore, cl_target_option_print functions to
4442         allow functions to use different optimization or target options.
4443
4444         * opt-functions.awk (var_type_struct): Return the type used for
4445         storing the field in a structure.
4446
4447         * opth-gen.awk: Add support for TargetSave to allow a back end to
4448         declare new fields that need to be saved when using function
4449         specific options.  Add support for Save to indicate which options
4450         can be set for individual functions.  Only generate one extern for
4451         Mask fields.  Generate cl_optimization and cl_target_option
4452         structures to remember optimization and target options.
4453
4454         * treestruct.def (TS_OPTIMIZATION): Add support for garbage
4455         collecting new tree nodes.
4456         (TS_TARGET_OPTION): Ditto.
4457
4458         * c-decl.c (merge_decls): Merge function specific target and
4459         optimization options.
4460
4461         * function.c (invoke_set_current_function_hook): If the function
4462         uses different optimization options, change the global variables
4463         to reflect this.
4464
4465         * coretypes.h (struct cl_optimization): Add forward reference.
4466         (struct cl_target_option): Ditto.
4467
4468         * c-pragma.c (option_stack): New static vector to remember the
4469         current #pragma GCC option stack.
4470         (handle_pragma_option): New function to support #pragma GCC option
4471         to change target options.
4472         (optimize_stack): New static vector to remember the current
4473         #pragma GCC optimize stack.
4474         (handle_pragma_optimize): New function to support #pragma GCC
4475         optimize to change optimization options.
4476         (init_pragma): Add support for #pragma GCC optimize and #pragma
4477         GCC option.
4478
4479         * tree.def (OPTIMIZATION_NODE): New tree code for remembering
4480         optimization options.
4481         (TARGET_OPTION_NODE): New tree code for remembering certain target
4482         options.
4483
4484         * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and
4485         TARGET_OPTION_NODE trees.
4486
4487         * common.opt (-O): Add Optimization flag.
4488         (-Os): Ditto.
4489         (-fmath-errno): Ditto.
4490         (-falign-functions): Add UInteger flag to make sure flag gets full
4491         int in cl_optimization structure.
4492         (-falign-jumps): Ditto.
4493         (-falign-labels): Ditto.
4494         (-falign-loops): Ditto.
4495         (-fsched-stalled-insns): Ditto.
4496         (-fsched-stalled-insns-dep): Ditto.
4497
4498         * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default
4499         definition.
4500         (TARGET_OPTION_SAVE): Ditto.
4501         (TARGET_OPTION_RESTORE): Ditto.
4502         (TARGET_OPTION_PRINT): Ditto.
4503         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
4504         (TARGET_CAN_INLINE_P): Ditto.
4505         (TARGET_INITIALIZER): Add new hooks.
4506
4507         * tree-inline.c (tree_can_inline_p): New function to determine
4508         whether one function can inline another.  Check if the functions
4509         use compatible optimization options, and also call the backend
4510         can_inline_p hook.
4511
4512         * tree-inline.h (tree_can_inline_p): Add declaration.
4513
4514         * c-common.c (c_common_attribute): Add support for option and
4515         optimize attributes.
4516         (handle_option_attribute): Add support for the option attribute to
4517         allow the user to specify different target options for compiling a
4518         specific function.
4519         (handle_optimize_attribute): Add support for the optimize
4520         attribute to allow the user to specify different optimization
4521         options for compiling a specific function.
4522         (handle_hot_attribute): Turn on -O3 optimization for this one
4523         function if it isn't the default optimization level.
4524         (handle_cold_attribute): Turn on -Os optimization for this one
4525         function if it insn't the default optimization.
4526         (const_char_p): New const char * typedef.
4527         (optimize_args): New static vector to remember the optimization
4528         arguments.
4529         (parse_optimize_options): New function to set up the optimization
4530         arguments from either the optimize attribute or #pragma GCC optimize.
4531
4532         * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration.
4533         (builtin_define_std): Ditto.
4534
4535         * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages.
4536         Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies.
4537         (x86_64-*-*): Ditto.
4538
4539         * Makefile.in (TREE_H): Add options.h.
4540         (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies.
4541
4542         * doc/extend.texi (option attribute): Document new attribute.
4543         (optimize attribute): Ditto.
4544         (hot attribute): Document hot attribute sets -O3.
4545         (cold attribute): Document cold attribute sets -Os.
4546         (#pragma GCC option): Document new pragma.
4547         (#pragma GCC optimize): Ditto.
4548
4549         * doc/options.texi (TargetSave): Document TargetSave syntax.
4550         (UInteger): Document UInteger must be used for certain flags.
4551         (Save): Document Save option to create target specific options
4552         that can be saved/restored on a function specific context.
4553
4554         * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro.
4555         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
4556
4557         * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook.
4558         (TARGET_OPTION_SAVE): Ditto.
4559         (TARGET_OPTION_RESTORE): Ditto.
4560         (TARGET_OPTION_PRINT): Ditto.
4561         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
4562         (TARGET_CAN_INLINE_P): Ditto.
4563
4564         * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for
4565         -mfpmath=sse,387.
4566         (-mfpmath=both): Ditto.
4567
4568 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4569             Karthik Kumar  <karthikkumar@gmail.com>
4570
4571         * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags.
4572         (TARGET_POPCNT): Ditto.
4573         (TARGET_SAHF): Ditto.
4574         (TARGET_AES): Ditto.
4575         (TARGET_PCLMUL): Ditto.
4576         (TARGET_CMPXCHG16B): Ditto.
4577         (TARGET_RECIP): Move switch into target_flags.
4578         (TARGET_FUSED_MADD): Ditto.
4579         (ix86_arch_features): Make an unsigned char type.
4580         (ix86_tune_features): Ditto.
4581         (OVERRIDE_OPTIONS): Add bool argument to override_options call.
4582         (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros.
4583         (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas.
4584
4585         * config/i386/i386.opt (arch): New TargetSave field to define
4586         fields that need to be saved for function specific option support.
4587         (tune): Ditto.
4588         (fpmath): Ditto.
4589         (branch_cost): Ditto.
4590         (ix86_isa_flags_explicit): Ditto.
4591         (tune_defaulted): Ditto.
4592         (arch_specified): Ditto.
4593         (-m128-long-double): Add Save flag to save option for target
4594         specific option support.
4595         (-m80387): Ditto.
4596         (-maccumulate-outgoing-args): Ditto.
4597         (-malign-double): Ditto.
4598         (-malign-stringops): Ditto.
4599         (-mfancy-math-387): Ditto.
4600         (-mhard-float): Ditto.
4601         (-mieee-fp): Ditto.
4602         (-minline-all-stringops): Ditto.
4603         (-minline-stringops-dynamically): Ditto.
4604         (-mms-bitfields): Ditto.
4605         (-mno-align-stringops): Ditto.
4606         (-mno-fancy-math-387): Ditto.
4607         (-mno-push-args): Ditto.
4608         (-mno-red-zone): Ditto.
4609         (-mpush-args): Ditto.
4610         (-mred-zone): Ditto.
4611         (-mrtd): Ditto.
4612         (-msseregparm): Ditto.
4613         (-mstack-arg-probe): Ditto.
4614         (-m32): Ditto.
4615         (-m64): Ditto.
4616         (-mmmx): Ditto.
4617         (-m3dnow): Ditto.
4618         (-m3dnowa): Ditto.
4619         (-msse): Ditto.
4620         (-msse2): Ditto.
4621         (-msse3): Ditto.
4622         (-msse4.1): Ditto.
4623         (-msse4.2): Ditto.
4624         (-msse4): Ditto.
4625         (-mno-sse4): Ditto.
4626         (-msse4a): Ditto.
4627         (-msse5): Ditto.
4628         (-mrecip): Move flag into target_flags.
4629         (-mcld): Ditto.
4630         (-mno-fused-madd): Ditto.
4631         (-mfused-madd): Ditto.
4632         (-mabm): Move flag into ix86_isa_flags.
4633         (-mcx16): Ditto.
4634         (-mpopcnt): Ditto.
4635         (-msahf): Ditto.
4636         (-maes): Ditto.
4637         (-mpclmul): Ditto.
4638
4639         * config/i386/i386-c.c: New file for #pragma support.
4640         (ix86_target_macros_internal): New function to #define or #undef
4641         target macros based when the user uses the #pragma GCC option to
4642         change target options.
4643         (ix86_pragma_option_parse): New function to add #pragma GCC option
4644         support.
4645         (ix86_target_macros): Move defining the target macros here from
4646         TARGET_CPU_CPP_BUILTINS in i386.h.
4647         (ix86_register_pragmas): Register the #pragma GCC option hook.  If
4648         defined, initialize any subtarget #pragmas.
4649
4650         * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from
4651         REGISTER_TARGET_PRAGMAS.
4652
4653         * config/i386/t-i386: New file for x86 dependencies.
4654         (i386.o): Make dependencies mirror the include files used.
4655         (i386-c.o): New file, add dependencies.
4656
4657         * config/i386/i386-protos.h (override_options): Add bool argument.
4658         (ix86_valid_option_attribute_tree): Add declaration.
4659         (ix86_target_macros): Ditto.
4660         (ix86_register_macros): Ditto.
4661
4662         * config/i386/i386.c (ix86_tune_features): Move initialization of
4663         the target masks to initial_ix86_tune_features to allow functions
4664         to have different target options.  Make type unsigned char,
4665         instead of unsigned int.
4666         (initial_ix86_tune_features): New static vector to hold processor
4667         masks for the tune variables.
4668         (ix86_arch_features): Move initialization of the target masks to
4669         initial_ix86_arch_features to allow functions to have different
4670         target options.  Make type unsigned char, instead of unsigned int.
4671         (initial_ix86_arch_features): New static vector to hold processor
4672         masks for the arch variables.
4673         (enum ix86_function_specific_strings): New enum to describe the
4674         string options used for attribute((option(...))).
4675         (ix86_target_string): New function to return a string that
4676         describes the target options.
4677         (ix86_debug_options): New function to print the current options in
4678         the debugger.
4679         (ix86_function_specific_save): New function hook to save the
4680         function specific global variables in the cl_target_option structure.
4681         (ix86_function_specific_restore): New function hook to restore the
4682         function specific variables from the cl_target_option structure to
4683         the global variables.
4684         (ix86_function_specific_print): New function hook to print the
4685         target specific options in the cl_target_option structure.
4686         (ix86_valid_option_attribute_p): New function hook to validate
4687         attribute((option(...))) arguments.
4688         (ix86_valid_option_attribute_tree): New function that is common
4689         code between attribute((option(...))) and #pragma GCC option
4690         support that parses the options and returns a tree holding the options.
4691         (ix86_valid_option_attribute_inner_p): New helper function for
4692         ix86_valid_option_attribute_tree.
4693         (ix86_can_inline_p): New function hook to decide if one function
4694         can inline another on a target specific basis.
4695         (ix86_set_current_function); New function hook to switch target
4696         options if the user used attribute((option(...))) or #pragma GCC
4697         option.
4698         (ix86_tune_defaulted): Move to static file scope from
4699         override_options.
4700         (ix86_arch_specified): Ditto.
4701         (OPTION_MASK_ISA_AES_SET): New macro for moving switches into
4702         ix86_isa_flags.
4703         (OPTION_MASK_ISA_PCLMUL_SET): Ditto.
4704         (OPTION_MASK_ISA_ABM_SET): Ditto.
4705         (OPTION_MASK_ISA_POPCNT_SET): Ditto.
4706         (OPTION_MASK_ISA_CX16_SET): Ditto.
4707         (OPTION_MASK_ISA_SAHF_SET): Ditto.
4708         (OPTION_MASK_ISA_AES_UNSET): Ditto.
4709         (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto.
4710         (OPTION_MASK_ISA_ABM_UNSET): Ditto.
4711         (OPTION_MASK_ISA_POPCNT_UNSET): Ditto.
4712         (OPTION_MASK_ISA_CX16_UNSET): Ditto.
4713         (OPTION_MASK_ISA_SAHF_UNSET): Ditto.
4714         (struct ptt): Move to static file scope from override_options.
4715         (processor_target_table): Ditto.
4716         (cpu_names): Ditto.
4717         (ix86_handle_option): Add support for options that are now isa options.
4718         (override_options): Add support for declaring functions that
4719         support different target options than were specified on the
4720         command line.  Move struct ptt, processor_target_table, cpu_names,
4721         ix86_tune_defaulted, ix86_arch_specified to static file scope.
4722         Add bool argument.  Fix up error messages so the appropriate error
4723         is given for either command line or attribute.
4724         (ix86_previous_fndecl): New static to remember previous function
4725         declaration to see if we need to change target options.
4726         (ix86_builtins_isa): New array to record the ISA of each builtin
4727         function.
4728         (def_builtin): Always create the builtin function, even if the
4729         current ISA doesn't support it.
4730         (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL
4731         tests for those builtins.
4732         (ix86_init_builtins): Remove TARGET_MMX test for calling
4733         ix86_init_mmx_sse_builtins.
4734         (ix86_expand_builtin): If the current ISA doesn't support a given
4735         builtin, signal an error.
4736         (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook.
4737         (TARGET_SET_CURRENT_FUNCTION): Ditto.
4738         (TARGET_OPTION_SAVE): Ditto.
4739         (TARGET_OPTION_RESTORE): Ditto.
4740         (TARGET_OPTION_PRINT): Ditto.
4741         (TARGET_CAN_INLINE_P): Ditto.
4742
4743 2008-07-22  Rafael Avila de Espindola  <espindola@google.com>
4744
4745         * c-typeck.c (build_external_ref): Don't call assemble_external.
4746         * final.c (output_operand): Call assemble_external.
4747
4748 2008-07-21  DJ Delorie  <dj@redhat.com>
4749
4750         * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New.
4751         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
4752
4753 2008-07-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4754
4755         * config/spu/spu.md ("div<mode>3"): Convert into expander, move
4756         original insn and splitter contents into ...
4757         ("*div<mode>3_fast"): ... this new pattern.  Enable only if
4758         flag_unsafe_math_optimizations.  Add dummy scratch register.
4759         ("*div<mode>3_adjusted"): New insn and splitter.  Enable only if
4760         !flag_unsafe_math_optimizations.  Returns number with next
4761         highest magnitude if this is still less or equal to the true
4762         quotient in magnitude.
4763
4764 2008-07-21  Rafael Avila de Espindola  <espindola@google.com>
4765
4766         * Makefile.in: Replace toplev.h with TOPLEV_H.
4767         * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
4768         * c-lex.c (fe_file_change): Don't set in_system_header.
4769         * c-parser.c (c_token): Remove in_system_header.
4770         (c_lex_one_token): Don't set in_system_header.
4771         (c_parser_set_source_position_from_token): Don't set in_system_header.
4772         * diagnostic.c (diagnostic_report_diagnostic): Use location from
4773         diagnostic_info.
4774         (warning_at): New.
4775         * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
4776         * flags.h (in_system_header): Remove.
4777         * function.c (saved_in_system_header): Remove.
4778         (push_cfun): Don't set in_system_header.
4779         (pop_cfun): Don't set in_system_header.
4780         (push_struct_function): Don't set in_system_header.
4781         * input.h (expanded_location): Add sysp.
4782         (in_system_header_at): New.
4783         (in_system_header): New.
4784         * toplev.c (in_system_header): Remove.
4785         * toplev.h: Include input.h
4786         (warning_at): New.
4787         * tree-cfg.c (execute_warn_function_return): Call warning_at.
4788         * tree-ssa.c (warn_uninit): Call warning_at.
4789         (warn_uninitialized_var): Update calls to warn_uninit.
4790         (warn_uninitialized_phi): Update calls to warn_uninit.
4791         * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
4792         (expand_location): Initialize xloc.sysp.
4793         * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
4794         (tree_decl_with_vis): Remove in_system_header_flag.
4795
4796 2008-07-21  Andreas Krebbel  <krebbel1@de.ibm.com>
4797
4798         PR target/36822
4799         * recog.c (asm_operand_ok): Change the order of the extra
4800         memory constraint checks.
4801
4802 2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4803
4804         PR tree-opt/36879
4805         * tree-switch-conversion.c (build_one_array): Call
4806         varpool_mark_needed_node and varpool_finalize_decl
4807         instead of assemble_variable.
4808
4809 2008-07-19  Jan Hubicka  <jh@suse.cz>
4810
4811         * cgraph.c (cgraph_add_new_function): Do early local passes.
4812         * tree-nrv.c (gate_pass_return_slot): New gate.
4813         (pass_nrv): Add the gate.
4814         * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New
4815         functions.
4816         (coalesce_ssa_name): Coalesce SSA names.
4817         * tree-ssa-live.c (remove_unused_locals): Be more conservative when
4818         not optimizing so unused user vars remains visible.
4819         * common.opt (flag_tree_ter): Always enable by default.
4820         * tree-ssa-ter.c: Include flags.h
4821         (is_replaceable_p): Check that locations match; when aliasing is missing
4822         be conservative about loads.
4823         * tree-optimize.c (gate_init_datastructures): Remove.
4824         (pass_init_datastructures): New.
4825         * passes.c: Reorder passes so we always go into SSA.
4826
4827 2008-07-19  Jan Hubicka  <jh@suse.cz>
4828
4829         * doc/extend.texi (flatten attribute): Remove note about unit-at-a-time
4830         * doc/invoke.texi (--combine): Likewise.
4831         (-finline-functions-called-once): Update levels when enabled.
4832         (-funit-at-a-time): Document new behaviour.
4833         (-ftoplevel-reorder): Document that it is enabled -O0 and imply
4834         -fno-section-anchors when disabled explicitly.
4835         (inline params): They are not ignored now.
4836         (precompiled headers): Remove unit-at-a-time as being incompatible.
4837         * opts.c (decode_options): Handle unit-at-a-time as alias;
4838         imply -fno-section-anchors when toplevel reorder is disabled
4839         explicitly.
4840         * common.opt (ftoplevel-reorder): Set default value to 2.
4841         (funit-at-a-time): Set default value to 1.
4842         * config/rs6000/rs6000.c (optimization_options): Set section anchors
4843         to 2.
4844
4845 2008-07-19  Jan Hubicka  <jh@suse.cz>
4846
4847         * builtins.c (expand_builtin_int_roundingfn,
4848         expand_builtin_int_roundingfn_2): Do not take subtarget argument;
4849         it is not useful.
4850
4851 2008-07-19  Richard Guenther  <rguenther@suse.de>
4852
4853         PR bootstrap/36864
4854         * tree-ssa-sccvn.h (get_constant_value_id): Declare.
4855         * tree-ssa-sccvn.c (get_constant_value_id): New function.
4856         * tree-ssa-pre.c (get_expr_value_id): For newly created
4857         constant value-ids make sure to add the expression to its
4858         expression-set.
4859
4860 2008-07-19  Jakub Jelinek  <jakub@redhat.com>
4861
4862         PR middle-end/36877
4863         * omp-low.c (expand_omp_atomic_fetch_op): Make sure the
4864         return value of the builtin is ignored.
4865
4866 2008-07-19  Olivier Hainque  <hainque@adacore.com>
4867
4868         * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in
4869         bits, a C conformant malloc implementation has to provide.
4870         * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD.
4871
4872 2008-07-19  Joseph Myers  <joseph@codesourcery.com>
4873
4874         PR target/36780
4875         PR target/36827
4876         * reload.c (find_reloads_subreg_address): Only reload address if
4877         reloaded == 0, not for reloaded != 1.
4878
4879         Revert:
4880         2008-07-16  Joseph Myers  <joseph@codesourcery.com>
4881         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
4882         (m32c_legitimate_address_p): Handle "++rii" addresses created by
4883         m32c_legitimize_reload_address.
4884
4885         2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
4886         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
4887         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
4888
4889 2008-07-19  Olivier Hainque  <hainque@adacore.com>
4890
4891         * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
4892         argument, saying whether nested array are to be collapsed
4893         into a single array type DIE with multiple subscripts.
4894         (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
4895         issues, centralize the nested array types collapsing control and
4896         disable the transformation for Ada.
4897
4898 2008-07-18  Uros Bizjak  <ubizjak@gmail.com>
4899
4900         PR target/36786
4901         * config/i386/i386.md (x86_64_shift_adj_1): Rename from
4902         x86_64_shift_adj.
4903         (x86_64_shift_adj_2): New expander.
4904         (x86_64_shift_adj_3): Ditto.
4905         * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3
4906         to split TImode operands.
4907         (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands.
4908         (ix86_split_lshr): Ditto.
4909
4910 2008-07-18  Kris Van Hees  <kris.van.hees@oracle.com>
4911
4912         * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
4913         and __CHAR32_TYPE__.
4914         * c-typeck.c (digest_init): Support char16_t and char32_t.
4915         (set_nonincremental_init_from_string): Idem.
4916
4917 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
4918
4919         PR middle-end/36859
4920         * builtins.c (std_gimplify_va_arg_expr): Limit alignment to
4921         PREFERRED_STACK_BOUNDARY.
4922         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4923
4924 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
4925
4926         PR middle-end/36858
4927         * function.c (locate_and_pad_parm): Cap boundary earlier.
4928
4929 2008-07-17  Julian Brown  <julian@codesourcery.com>
4930
4931         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make
4932         no-op for targets which don't use DLLs.
4933
4934 2008-07-17  Martin Jambor  <mjambor@suse.cz>
4935
4936         * ipa-cp.c (ipcp_print_all_lattices): New variable info, check
4937         that nodes are relevant by examining the node->analyzed flag.
4938         (ipcp_init_stage): Check which nodes are relevant, assert that the
4939         relevant ones are also required.
4940         (ipcp_propagate_stage): Check on the side arrays are properly
4941         allocated.
4942         (ipcp_print_all_jump_functions): Make sure not to touch any node
4943         that is not analyzed or an edge that does not have a corresponding
4944         entry in the on-the-side vectors.
4945         (ipcp_function_scale_print): Likewise.
4946         (ipcp_update_callgraph): Check that the node is relevant.
4947         (ipcp_insert_stage): Check that the node is relevant.  Check there is
4948         an info for every node and edge.
4949         * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant.
4950         (ipa_print_all_tree_maps): Likewise and a new variable info.
4951         (ipa_print_all_params_modified): Likewise.
4952         * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function.
4953
4954 2008-07-17  Roman Zippel <zippel@linux-m68k.org>
4955
4956         PR target/25343
4957         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.
4958
4959 2008-07-17  Paolo Bonzini  <bonzini@gnu.org>
4960
4961         PR rtl-optimization/36753
4962         * fwprop.c (use_killed_between): Don't shortcut
4963         single-definition global registers.
4964
4965 2008-07-16  Jan Hubicka  <jh@suse.cz>
4966
4967         * cgraph.h (varpool_empty_needed_queue): Declare.
4968         * cgraphunit.c (output_in_order): Mark all variables as needed;
4969         empty the queue.
4970         * varpool.c (varpool_assemble_node): Update debug queue.
4971         (varpool_assemble_pending_decls): Don't do it here.
4972         (varpool_empty_needed_queue):  New function.
4973
4974 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4975
4976         * recog.c (peephole2_optimize): Fix formatting.
4977
4978 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4979
4980         * c-pch.c (get_ident): Avoid C++ keywords.
4981         * combine-stack-adj.c (single_set_for_csa): Likewise.
4982         * final.c (asm_insn_count, final_scan_insn, alter_subreg,
4983         output_asm_insn): Likewise.
4984         * reload.c (push_secondary_reload, find_reusable_reload,
4985         push_reload, combine_reloads, find_reloads,
4986         debug_reload_to_stream): Likewise.
4987         * reload.h (struct reload): Likewise.
4988         * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs,
4989         allocate_reload_reg, choose_reload_regs, emit_input_reload_insns,
4990         emit_output_reload_insns): Likewise.
4991         * targhooks.c (default_secondary_reload): Likewise.
4992         * varasm.c (section_entry_eq, object_block_entry_eq): Likewise.
4993
4994 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4995
4996         * recog.c (validate_change_1, validate_change,
4997         validate_unshare_change, validate_replace_rtx_1, struct
4998         funny_match, constrain_operands, peephole2_optimize): Avoid C++
4999         keywords.
5000         * reload.c (push_secondary_reload, secondary_reload_class,
5001         scratch_reload_class, find_valid_class, find_reusable_reload,
5002         push_reload, find_dummy_reload, find_reloads_address_1,
5003         find_reloads_address_part, find_equiv_reg): Likewise.
5004         * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg,
5005         choose_reload_regs): Likewise.
5006         * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1):
5007         Likewise.
5008         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
5009         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5010         * sched-rgn.c (concat_INSN_LIST): Likewise.
5011         * stor-layout.c (mode_for_size, mode_for_size_tree,
5012         smallest_mode_for_size): Likewise.
5013
5014 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5015
5016         * cfg.c (dump_reg_info): Avoid C++ keywords.
5017         * dwarf2asm.c (dw2_force_const_mem,
5018         dw2_asm_output_encoded_addr_rtx): Likewise.
5019         * except.c (gen_eh_region, add_action_record, output_ttype): Likewise.
5020         * expmed.c (expand_shift): Likewise.
5021         * global.c (find_reg): Likewise.
5022         * graph.c (draw_edge): Likewise.
5023         * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise.
5024         * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop,
5025         widen_clz, widen_bswap, expand_parity, expand_unop,
5026         emit_cmp_and_jump_insn_1): Likewise.
5027         * postreload.c (reload_cse_simplify_operands): Likewise.
5028         * ra.h (add_neighbor): Likewise.
5029         * reg-stack.c (remove_regno_note, change_stack): Likewise.
5030         * regclass.c (memory_move_secondary_cost, dump_regclass, regclass,
5031         record_reg_classes, copy_cost, record_address_regs,
5032         invalid_mode_change_p): Likewise.
5033         * regrename.c (regrename_optimize, scan_rtx_reg,
5034         dump_def_use_chain, find_oldest_value_reg,
5035         replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise.
5036
5037 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5038
5039         * config/rs6000/rs6000.c (processor_target_table): Remove duplicate
5040         MASK_POWERPC64 for power4 in previous commit.
5041
5042 2008-07-16  Olivier Hainque  <hainque@adacore.com>
5043
5044         * collect2.c (scan_prog_file, COFF version): Use CONST_CAST
5045         instead of bare conversion to cast const-ness away.
5046
5047 2008-07-16  Anatoly Sokolov  <aesok@post.ru>
5048
5049         * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE,
5050         XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove.
5051         * config/xtensa/xtensa.c (xtensa_function_value): New function.
5052         (TARGET_FUNCTION_VALUE): Define.
5053
5054 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5055
5056         * config/rs6000/rs6000.c (processor_target_table): Add
5057         MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x.
5058
5059 2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5060
5061         PR target/36827
5062         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5063         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5064         m32c_legitimize_reload_address.
5065
5066 2007-07-16  Rafael Avila de Espindola  <espindola@google.com>
5067
5068         * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and
5069         DECL_IN_SYSTEM_HEADER in sync.
5070
5071 2008-07-15  Daniel Berlin  <dberlin@dberlin.org>
5072
5073         * tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
5074         * tree-ssa-pre.c (pre_expr_eq): Ditto
5075         (get_constant_for_value_id): Take a type as an argument.
5076         (fully_constant_expression): Pass in type.
5077         (find_or_generate_expression): Short circuit constant case.
5078         (create_expression_by_pieces): Remove special casing of
5079         pointer_plus.
5080         (do_regular_insertion): Short circuit constant case.
5081         (do_partial_partial_insertion): Ditto.
5082
5083 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5084
5085         PR target/36782
5086         * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note.
5087
5088 2008-07-15  Bob Wilson  <bob.wilson@acm.org>
5089
5090         * config/xtensa/libgcc-xtensa.ver: New file.
5091         * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.
5092
5093 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5094
5095         * df-problems.c (df_set_note): Avoid C++ keywords.
5096         * df-scan.c (df_ref_change_reg_with_loc_1): Likewise.
5097         * dse.c (record_store, remove_useless_values): Likewise.
5098         * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset,
5099         gen_reg_rtx_offset, operand_subword, change_address_1,
5100         change_address, adjust_address_1, offset_address,
5101         widen_memory_access, emit_copy_of_insn_after): Likewise.
5102         * explow.c (round_push, allocate_dynamic_stack_space): Likewise.
5103         * fwprop.c (should_replace_address, propagate_rtx_1,
5104         propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify):
5105         Likewise.
5106         * gcse.c (cprop_jump, find_implicit_sets, bypass_block,
5107         gcse_emit_move_after, update_ld_motion_stores): Likewise.
5108         * lcm.c (compute_insert_delete, pre_edge_lcm,
5109         compute_rev_insert_delete, pre_edge_rev_lcm): Likewise.
5110         * lower-subreg.c (resolve_reg_notes): Likewise.
5111         * mode-switching.c (optimize_mode_switching): Likewise.
5112
5113 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5114
5115         * bt-load.c (add_btr_def, migrate_btr_def,
5116         branch_target_load_optimize): Avoid C++ keywords.
5117         * caller-save.c (insert_restore, insert_save, insert_one_insn):
5118         Likewise.
5119         * combine.c (subst, simplify_set, make_extraction,
5120         make_compound_operation, known_cond, simplify_shift_const_1): Likewise.
5121         * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg,
5122         fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise.
5123
5124 2008-07-15  Richard Guenther  <rguenther@suse.de>
5125
5126         PR middle-end/36369
5127         * c-common.c (strict_aliasing_warning): Do not warn for
5128         TYPE_REF_CAN_ALIAS_ALL pointers.
5129         (c_common_get_alias_set): may_alias types are not special.
5130         * tree.c (build_pointer_type_for_mode): Look up the may_alias
5131         attribute and set can_ref_all accordingly.
5132         (build_reference_type_for_mode): Likewise.
5133         * doc/extend.texi (may_alias): Clarify.
5134
5135 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5136
5137         PR target/36780
5138         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5139         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5140
5141 2008-07-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5142
5143         PR target/31568
5144         * config/rs6000/rs6000.c (print_operand <case 'y'>): Don't use
5145         gcc_assert, instead call output_operand_lossage.
5146
5147 2008-07-15  Kai Tietz  <kai.tietz@onevision.com>
5148
5149         * builtins.c (std_canonical_va_list): Treat structure based
5150         va_list types.
5151
5152 2008-07-15  Ben Elliston  <bje@au.ibm.com>
5153
5154         * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.
5155
5156 2007-07-14  Rafael Avila de Espindola  <espindola@google.com>
5157
5158         * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING
5159         is set.
5160
5161 2008-07-14  Jan Hubicka  <jh@suse.cz>
5162
5163         * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p
5164         * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p;
5165         fix predicates and constraints.
5166         * i386.c (ix86_sse5_valid_op_p): Add commutative parameter.
5167         * i386-protos.h (ix86_sse5_valid_op_p): Update declaration.
5168
5169 2008-07-14  Doug Kwan  <dougkwan@google.com>
5170
5171         * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use
5172         additional option file arm/eabi.opt.
5173         * config/arm/eabi.h (File): New configuration file for EABI targets.
5174         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add
5175         SUBSUBTARGET_EXTRA_SPECS.
5176         (SUBSUBTARGET_EXTRA_SPECS): Provide empty default.
5177         * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed
5178         from STARTFILE_SPEC so that it can be referenced in an override.
5179         (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC.
5180         (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it
5181         can be referenced in an override.
5182         (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC.
5183         * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC
5184         so that it can be referenced in an override.
5185         (LINK_SPEC): Use BPABI_LINK_SPEC.
5186         * config/arm/eabi.opt (File): New.
5187
5188 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5189
5190         * Makefile.in (TARGET_DEF_H): Add targhooks.h.
5191         (FIXED_VALUE_H): New variable.
5192         (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of
5193         input.h, fixed-value.h.
5194         (TREE_H): Use $(INPUT_H), add $(SYMTAB_H).
5195         (BASIC_BLOCK_H): Use $(BITMAP_H).
5196         (FUNCTION_H): Add varray.h.
5197         (IPA_REFERENCE_H): Use $(BITMAP_H).
5198         (CGRAPH_H): Add $(BASIC_BLOCK_H).
5199         (DF_H): Use $(BITMAP_H).
5200         (GGC_H): Add statistics.h.
5201         (INSN_ADDR_H): New.
5202         (INSN_ATTR_H): Use it.
5203         (SYSTEM_H): Add safe-ctype.h, filenames.h.
5204         (INPUT_H): New.
5205         (SYMTAB_H): Add $(OBSTACK_H).
5206         (CPP_INTERNAL_H): New.
5207         (TREE_DUMP_H): Add tree-pass.h.
5208         (TREE_FLOW_H): Use $(BITMAP_H)
5209         (PRETTY_PRINT_H): Use $(INPUT_H).
5210         (EBITMAP_H): Rename from typo-ed EBIMAP_H.
5211         (GSTAB_H): New.
5212         (BITMAP_H): New.
5213         (many object files): Fix lots of header dependencies throughout.
5214
5215 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5216
5217         * Makefile.in (write_entries_to_file, write_entries_to_file_split):
5218         New macros.
5219         (s-gtyp-input): Use them to write tmp-gi.list.
5220         (echo_to_gi.list): Remove.
5221
5222 2008-07-14  Richard Guenther  <rguenther@suse.de>
5223
5224         * tree-ssa-sccvn.c (pre_info): Remove.
5225         (switch_to_PRE_table): Likewise.
5226         (free_scc_vn): Do not clear SSA_NAME_VALUE.  Do not free pre_info.
5227         (set_hashtable_value_ids): Do not create value-ids for the
5228         optimistic tables.
5229         (run_scc_vn): Remove double test.  Remove bogus special-case
5230         in value-number printing.
5231         * tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
5232         * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
5233         SSA_NAME_VALUE.
5234         * tree-flow-inline.h (get_value_handle): Remove.
5235         * tree-flow.h (get_value_handle): Remove.
5236
5237 2008-07-14  Martin Jambor  <mjambor@suse.cz>
5238
5239         * tree-switch-conversion.c (gen_inbound_check): Make sure the type
5240         in which we generate arithmetics is not a subrange.
5241
5242 2008-07-14  Martin Jambor  <mjambor@suse.cz>
5243
5244         * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.
5245
5246 2008-07-14  Richard Guenther  <rguenther@suse.de>
5247
5248         * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert.
5249
5250 2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5251
5252         PR target/36745
5253         * config/s390/s390.c: (s390_secondary_reload): Add a secondary
5254         reload for symbol refs moved to r0 with -fPIC.
5255         (legitimize_pic_address): Use the target register as temporary
5256         reg if possible.
5257         (emit_symbolic_move): Adjust comment.
5258         * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr):
5259         New expanders.
5260
5261 2008-07-14  Ben Elliston  <bje@au.ibm.com>
5262
5263         * c-common.h (C_CPP_HASHNODE): New macro.
5264         * coretypes.h (struct cpp_token): Forward declare.
5265         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
5266         the context-sensitive keyword method.
5267         * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
5268         __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
5269         expand_bool_pixel): New.
5270         (altivec_categorize_keyword): New function.
5271         (init_vector_keywords): New function.
5272         (rs6000_macro_to_expand): Likewise.
5273         (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
5274         compiling an ISO C dialect.
5275
5276 2008-07-13  Daniel Berlin  <dberlin@dberlin.org>
5277
5278         * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls.
5279         (create_expression_by_pieces): Fix typo.
5280         (do_regular_insertion): Use debug counter here too.
5281
5282 2008-07-14  Hans-Peter Nilsson  <hp@axis.com>
5283
5284         PR target/35492.
5285         * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from
5286         CONST_OK_FOR_LETTER_P.  All port-local users changed.
5287         (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K,
5288         implement Kp matching power-of-two.
5289         (CONSTRAINT_LEN): Define to match.
5290         * config/cris/cris.md: Replace all use of constraint K with Kc.
5291         ("*btst*): Use Kp for operand 0 of last alternative.
5292
5293 2008-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5294
5295         PR testsuite/36440
5296         * tree-call-cdce.c (check_target_format): Accept MIPS single, double
5297         and quad formats.
5298
5299 2008-07-13  Jan Hubicka  <jh@suse.cz>
5300
5301         * tree.c (decl_assembler_name_equal): Expect assembler name of decl
5302         to be mangled too.
5303
5304 2008-07-13  Richard Guenther  <rguenther@suse.de>
5305
5306         PR middle-end/36811
5307         * langhooks.c (lhd_print_error_function): Deal with recursive
5308         BLOCK trees.
5309
5310 2008-07-12  Jan Hubicka  <jh@suse.cz>
5311
5312         * cgraph.c (assembler_name_hash): New static var.
5313         (hash_node_by_assembler_name, eq_assembler_name): New.
5314         (cgraph_node_for_asm): Use hashtable.
5315         (cgraph_remove_node): Maintain hashtable.
5316         (change_decl_assembler_name): Sanity check that names are not changing
5317         after aliasing was processed.
5318         * cgraph.h (varpoon_node): Add next GGC marker.
5319         * tree.c (decl_assembler_name_equal): Constify.
5320         (decl_assembler_name_hash): New.
5321         * tree.h (decl_assembler_name_equal): Constify.
5322         (decl_assembler_name_hash): Update.
5323
5324 2008-07-12  David Daney  <ddaney@avtrex.com>
5325
5326         * config/mips/driver-native.c (host_detect_local_cpu): Handle
5327         sb1 and r5000 cpus.
5328
5329 2008-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
5330
5331         * doc/md.texi: Document the MIPS "v" constraint.
5332         * config/mips/mips.h (reg_class): Revert last change.
5333         (REG_CLASS_NAMES): Likewise.
5334         (REG_CLASS_CONTENTS): Likewise.
5335         * config/mips/mips.c (mips_regno_to_class): Likewise.
5336         * config/mips/constraints.md (v): Likewise, but add documentation.
5337         Add a comment to say that this constraint should not be used in
5338         gcc code.
5339
5340 2008-07-11  DJ Delorie  <dj@redhat.com>
5341
5342         * config/h8300/h8300.md (length): Fix branch offset limit.
5343
5344 2008-07-11  Anatoly Sokolov  <aesok@post.ru>
5345
5346         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
5347         * config/avr/avr.c (avr_peep2_scratch_safe): Remove.
5348         (avr_hard_regno_scratch_ok): New function.
5349         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
5350         * config/avr/avr.md (all peepholes that request a scratch register):
5351         Remove avr_peep2_scratch_safe use.
5352
5353 2008-07-11  Tom Tromey  <tromey@redhat.com>
5354             Ian Lance Taylor  <iant@google.com>
5355
5356         * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
5357         (struct c_common_resword): Define.
5358         (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
5359         (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
5360         (c_common_reswords, num_c_common_reswords): Declare.
5361         * c-common.c (c_common_reswords): New global const array.
5362         (num_c_common_reswords): New const int.
5363         * c-parser.c (struct resword, reswords): Don't define.
5364         (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
5365         (c_parse_init): Clarify mask code.  Use c_common_reswords rather
5366         than reswords.  If warning about C++ keywords, give them a special
5367         RID code.
5368         (c_lex_one_token): Warn about C++ keywords.  Call
5369         objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
5370         (c_parser_external_declaration): Look for RID_xxx rather than
5371         RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
5372         (c_parser_statement_after_labels): Likewise.
5373         (c_parser_objc_class_instance_variables): Likewise.
5374         (c_parser_objc_class_declaration): Likewise.
5375         (c_parser_objc_try_catch_statement): Likewise.
5376         * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
5377         (declspecs_add_type): Likewise.
5378
5379 2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>
5380
5381         * ggc-page.c (alloc_page):
5382         Substituting xmalloc, xcalloc with
5383         XNEWVEC and XCNEWVAR macros which add the
5384         needed casts.
5385
5386 2008-07-11  Richard Guenther  <rguenther@suse.de>
5387
5388         PR tree-optimization/36765
5389         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5390         aliases from HEAP vars to SMTs.
5391
5392 2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5393
5394         * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
5395         * configure.ac (loose_warn): Move -Wc++-compat from here...
5396         (strict_warn): ...to here.
5397         * configure: Regenerate.
5398
5399 2008-07-10  Joseph Myers  <joseph@codesourcery.com>
5400
5401         * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
5402         i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
5403         m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
5404         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
5405         excluding more specific h8300-*-* and sh-*-* targets.
5406
5407 2008-07-10  Daniel Berlin  <dberlin@dberlin.org>
5408
5409         * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.
5410         (eliminate): Ditto.
5411         (execute_pre): Call loop_optimizer_finalize in early exit.
5412
5413 2008-07-10  Jakub Jelinek  <jakub@redhat.com>
5414
5415         PR middle-end/36790
5416         * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
5417         uids in the bitmap, not just VAR_DECL uids.
5418
5419         PR rtl-optimization/36419
5420         * combine-stack-adj.c (adjust_frame_related_expr): New function.
5421         (combine_stack_adjustments_for_block): Call it if needed.  Delete
5422         correct insn.
5423         * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
5424         DW_CFA_GNU_args_size if CSA pass merged some adjustments into
5425         prologue sp adjustment.
5426
5427 2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
5428
5429         PR other/28322
5430         * opts.c (print_ignored_options): Report postponed diagnostics for
5431         unknown -Wno-* options as warnings, not errors.
5432         (postpone_unknown_option_error): Renamed to...
5433         (postpone_unknown_option_warning): ... this.
5434
5435 2008-07-09  Doug Kwan  <dougkwan@google.com>
5436
5437         Revert:
5438         2008-07-08  Doug Kwan  <dougkwan@google.com>
5439
5440         * config/arm/arm.opt (mandroid): New option.
5441         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
5442         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
5443         (CC1_SPEC): Same.
5444         (CC1PLUS_SPEC): Same.
5445         (LIB_SPEC): Same.
5446         (STARTFILE_SPEC): Same.
5447         (ENDFILE_SPEC): Same.
5448         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
5449         used.
5450
5451 2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>
5452
5453         PR target/35802
5454         * config/mips/mips.h (reg_class): Remove V1_REG.
5455         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
5456         * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
5457         instead of V1_REGS.
5458         (mips_get_tp): New function.
5459         (mips_legitimize_tls_address): Use it.
5460         * config/mips/constraints.md (v): Delete.
5461         * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
5462         (tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
5463         After reload, split into a move and ...
5464         (*tls_get_tp_<mode>_split): ...this new instruction.
5465
5466 2008-07-09  David Daney  <ddaney@avtrex.com>
5467
5468         * config/mips/driver-native.c: Include coretypes.h and tm.h.
5469
5470 2008-07-09  Jakub Jelinek  <jakub@redhat.com>
5471
5472         * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
5473         (push_gimplify_context): Don't allocate temp_htab nor c itself here.
5474         Add c argument.
5475         (pop_gimplify_context): Check c->temp_htab instead of optimize whether
5476         htab_delete should be called.  Don't free c.
5477         (lookup_tmp_var): Create temp_htab lazily.
5478         (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
5479         gimplify_body, force_gimple_operand): Adjust push_gimplify_context
5480         callers.
5481         * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
5482         lower_omp_ordered, lower_omp_critical, lower_omp_for,
5483         create_task_copyfn, lower_omp_taskreg, execute_lower_omp):
5484         * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
5485         * tree-sra.c (generate_element_init): Likewise.
5486         * tree-mudflap.c (execute_mudflap_function_ops,
5487         execute_mudflap_function_decls): Likewise.
5488         * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
5489         * tree-gimple.h (struct gimplify_ctx): New type.
5490         (push_gimplify_context): Adjust prototype.
5491
5492 2008-07-09  Daniel Berlin  <dberlin@dberlin.org>
5493
5494         * tree-ssa-pre.c (phi_translate_1): Update placement of
5495         add_to_value calls.
5496
5497 2008-07-09  Anatoly Sokolov  <aesok@post.ru>
5498
5499         * target.h (struct gcc_target): Add hard_regno_scratch_ok field.
5500         * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
5501         (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
5502         * targhooks.c (default_hard_regno_scratch_ok): New function.
5503         * targhooks.h (default_hard_regno_scratch_ok): Declare function.
5504         * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
5505         * recog.c:  Include "target.h".
5506         (peep2_find_free_register): Add check for global regs. Add target
5507         specific check.
5508         * Makefile.in (recog.o): Depend on target.h.
5509
5510 2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5511
5512         * config/sh/sh.c (sh_canonical_va_list_type): New.
5513         (TARGET_CANONICAL_VA_LIST_TYPE): Define.
5514
5515 2008-07-09  Raksit Ashok <raksit@google.com>
5516
5517         * doc/invoke.texi (Option Summary): Mention new option
5518         -Wdisallowed-function-list=...
5519         (Warning Options): Document -Wdisallowed-function-list=...
5520         * common.opt (Wdisallowed-function-list=): New flag.
5521         * flags.h (warn_disallowed_functions): External definition of new
5522         boolean warning flag.
5523         (warn_if_disallowed_function_p): Declare new function.
5524         * opts.c (warning_disallowed_functions): New static variable.
5525         (warn_disallowed_functions): New boolean warning flag.
5526         (warn_if_disallowed_function_p): New function.
5527         (add_comma_separated_to_vector): Rename
5528         add_instrument_functions_exclude_list to this.
5529         (common_handle_option): Handle new option. Rename calls to
5530         add_instrument_functions_exclude_list into calls to
5531         add_comma_separated_to_vector.
5532         * c-parser.c (c_parser_postfix_expression_after_primary): New warning
5533         based on flag warn_disallowed_functions.
5534
5535 2008-07-09  Christian Bruel  <christian.bruel@st.com>
5536
5537         * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
5538          instead of get_attr_length.
5539
5540 2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5541
5542         * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
5543         keywords.
5544         * genemit.c (gen_insn): Likewise.
5545         * gengtype.c (note_def_vec): Likewise.
5546         * gengtype.h (note_def_vec): Likewise.
5547         * genoutput.c (struct data, output_insn_data, process_template,
5548         gen_expand, gen_split, note_constraint): Likewise.
5549         * genrecog.c (new_decision, add_to_sequence, factor_tests,
5550         make_insn_sequence): Likewise.
5551         * gensupport.c (record_insn_name): Likewise.
5552
5553 2008-07-08  Doug Kwan  <dougkwan@google.com>
5554
5555         * config/arm/arm.opt (mandroid): New option.
5556         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
5557         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
5558         (CC1_SPEC): Same.
5559         (CC1PLUS_SPEC): Same.
5560         (LIB_SPEC): Same.
5561         (STARTFILE_SPEC): Same.
5562         (ENDFILE_SPEC): Same.
5563         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
5564         used.
5565
5566 2008-07-08  Raksit Ashok  <raksit@google.com>
5567
5568         * expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
5569         (set_storage_via_setmem): Fix expected_align parameter.
5570         * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
5571         missing from the list.
5572         * doc/md.texi (movmem): Explicitly state that expected alignment is
5573         to be expressed in bytes.
5574         (setmem): Explicitly state that expected alignment is to be expressed
5575         in bytes.
5576
5577 2008-07-08  Joseph Myers  <joseph@codesourcery.com>
5578
5579         * reload.c (find_reloads_subreg_address): Do not require validity
5580         of address in original mode before reloading address.
5581
5582 2008-07-07  Tianwei Sheng  <tianweis@google.com>
5583
5584         * df-core.c (df_remove_problem): Adjust the access to avoid out of
5585         bounds array access.
5586
5587 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
5588
5589         * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst.
5590
5591 2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
5592
5593         Fix PR tree-optimization/23455
5594         Fix PR tree-optimization/35286
5595         Fix PR tree-optimization/35287
5596         * Makefile.in (OBJS-common): Remove tree-vn.o.
5597         (tree-vn.o): Remove.
5598         * dbgcnt.def: Add treepre_insert debug counter.
5599         * gcc/tree-flow.h (add_to_value): Updated for other changes.
5600         (debug_value_expressions): Ditto.
5601         (print_value_expressions): Ditto.
5602         * tree-pretty-print.c (dump_generic_node): Updated for
5603         VALUE_HANDLE removal.
5604         * tree-ssa-dom.c (record_equality): Ditto.
5605         (cprop_operand): Ditto.
5606         (lookup_avail_expr): Ditto.
5607         * tree-ssa-threadedge.c
5608         (record_temporary_equivalences_from_stmts_at_dest): Ditto.
5609         (simplify_control_stmt_condition): Ditto.
5610         * tree.c (tree_code_size): Ditto.
5611         (tree_node_structure): Ditto.
5612         (iterative_hash_expr): Ditto.
5613         * tree.def: Ditto.
5614         * tree.h (VALUE_HANDLE_ID): Ditto.
5615         (VALUE_HANDLE_EXPR_SET): Ditto.
5616         (struct tree_value_handle): Ditto.
5617         (union tree_node): Ditto.
5618         * treestruct.def: Ditto.
5619         * tree-vn.c: Removed.
5620         * tree-ssa-pre.c: Rewritten entirely.
5621         * tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
5622         (constant_value_ids): Ditto.
5623         (vn_nary_op_t): Moved to header.
5624         (vn_phi_t): Ditto.
5625         (vn_reference_op_t): Ditto
5626         (vn_reference_t): Ditto.
5627         (next_value_id): New variable.
5628         (VN_INFO): Add an assert.
5629         (vn_constant_eq): New function.
5630         (vn_constant_hash): Ditto.
5631         (get_or_alloc_constant_value_id): Ditto.
5632         (value_id_constant_p): Ditto.
5633         (vn_reference_compute_hash): De-staticify.
5634         (copy_reference_ops_from_ref): Don't use get_callee_fndecl.
5635         Disable some code with a FIXME.  Remove VALUE_HANDLE use.
5636         (valueize_refs): Update opcode if it changes from ssa name to constant.
5637         (vn_reference_lookup_1): Add new argument.
5638         (vn_reference_lookup):  Ditto.
5639         (vn_reference_lookup_pieces): New function.
5640         (vn_reference_insert): Add return type. Modify to deal with value ids.
5641         (vn_reference_insert_pieces):  New function.
5642         (vn_nary_op_compute_hash): De-staticify.
5643         (vn_nary_op_eq): Ditto.
5644         (vn_nary_op_lookup_pieces): New function.
5645         (vn_nary_op_lookup): Add new argument.
5646         (vn_nary_op_insert_pieces): New function.
5647         (vn_nary_op_insert): Add return type. Modify to deal with value ids.
5648         (vn_phi_insert): Ditto.
5649         (visit_unary_op): Update for callee changes.
5650         (visit_binary_op): Ditto.
5651         (visit_reference_op_load): Ditto.
5652         (visit_reference_op_store): Ditto.
5653         (init_scc_vn): Init next_value_id, constant_to_value_id and
5654         constant_value_ids.
5655         (free_scc_vn): Free them.
5656         (set_hashtable_value_ids): New function.
5657         (run_scc_vn): Use it.
5658         (get_max_value_id): New function.
5659         (get_next_value_id): Ditto.
5660         (expressions_equal_p): Moved from tree-vn.c
5661         (sort_vuses): Ditto.
5662         (sort_vuses_heap): Ditto.
5663         * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
5664         above).
5665         * tree.c (iterative_hash_hashval_t): Made non-static
5666         * tree.h (iterative_hash_hashval_t): Declare it.
5667
5668 2008-07-08  Martin Jambor  <mjambor@suse.cz>
5669
5670         * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
5671         instead of ipa_create_node_params.
5672         (ipcp_driver): Allocate infos with ipa_check_create_node_params and
5673         ipa_check_create_edge_args, free them with
5674         free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.
5675
5676         * ipa-prop.c: Include flags.h and tree-inline.h.
5677         (ipa_node_params_vector): New variable.
5678         (ipa_edge_args_vector): New variable.
5679         (edge_removal_hook_holder): New variable.
5680         (node_removal_hook_holder): New variable.
5681         (edge_duplication_hook_holder): New variable.
5682         (node_duplication_hook_holder): New variable.
5683         (ipa_detect_param_modifications): Check for presence of modified flags.
5684         (ipa_compute_jump_functions): Check for presence of jump functions.
5685         (ipa_free_edge_args_substructures): New function.
5686         (ipa_create_node_params): Removed.
5687         (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
5688         (ipa_free_node_params_substructures): New function.
5689         (ipa_free_all_node_params): Changed to deallocate the on-the-side
5690         vector.
5691         (ipa_edge_removal_hook): New function.
5692         (ipa_node_removal_hook): New function.
5693         (duplicate_array): New function.
5694         (ipa_edge_duplication_hook): New function.
5695         (ipa_node_duplication_hook): New function.
5696         (ipa_register_cgraph_hooks): New function.
5697         (ipa_unregister_cgraph_hooks): New function.
5698         (free_all_ipa_structures_after_ipa_cp): New function.
5699
5700         * ipa-prop.h: Include vec.h.
5701         (ipa_node_params_t): New typedef with vector types for it.
5702         (ipa_edge_args_t):  New typedef with vector types for it.
5703         (IPA_NODE_REF): Changed to access an on-the-side vector.
5704         (IPA_EDGE_REF): Changed to access an on-the-side vector.
5705         (ipa_check_create_node_params): New function.
5706         (ipa_check_create_edge_args): New function.
5707
5708         * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
5709         all users.
5710
5711 2008-07-07  Tom Tromey  <tromey@redhat.com>
5712
5713         * configure, config.in: Rebuilt.
5714         * configure.ac: Don't check for scandir or alphasort.
5715
5716 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
5717
5718         * config/arm/arm.c (arm_init_neon_builtins): Register built-in
5719         types immediately after creating them.
5720
5721 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
5722
5723         * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.
5724
5725 2008-07-07  Fernando Pereira <fernando@cs.ucla.edu>
5726
5727         * tree-ssa-structalias.c (compute_points_to_sets): Add call to
5728         dump_constraint_graph.
5729         (dump_constraint_edge): New function.
5730         (dump_constraint_graph): New function.
5731         (debug_constraint_graph): New function.
5732         (dump_constraint): Removed useless comparison.
5733         * tree-ssa-structalias.h (dump_constraint_edge): Declare.
5734         (dump_constraint_graph): Declare.
5735         (debug_constraint_graph): Declare.
5736         * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH.
5737
5738 2008-07-07  Kai Tietz  <kai.tietz@onevision.com>
5739
5740         * config/i386/i386.c (is_va_list_char_pointer): New.
5741         (ix86_va_start): Replace compare with ms_va_list_type_node
5742         by is_va_list_char_pointer.
5743         (ix86_gimplify_va_arg): Likewise.
5744
5745 2008-07-07  Martin Jambor  <mjambor@suse.cz>
5746
5747         * cgraph.c (cgraph_edge_max_uid): New variable.
5748         (struct cgraph_edge_hook_list): New type.
5749         (struct cgraph_node_hook_list): New type.
5750         (struct cgraph_2edge_hook_list): New type.
5751         (struct cgraph_2node_hook_list): New type.
5752         (first_cgraph_edge_removal_hook): New variable.
5753         (first_cgraph_node_removal_hook): New variable.
5754         (first_cgraph_edge_duplicated_hook): New variable.
5755         (first_cgraph_node_duplicated_hook): New variable.
5756         (cgraph_add_edge_removal_hook): New function.
5757         (cgraph_remove_edge_removal_hook): New function.
5758         (cgraph_call_edge_removal_hooks):  New function.
5759         (cgraph_add_node_removal_hook):  New function.
5760         (cgraph_remove_node_removal_hook):  New function.
5761         (cgraph_call_node_removal_hooks):  New function.
5762         (cgraph_add_edge_duplication_hook):  New function.
5763         (cgraph_remove_edge_duplication_hook):  New function.
5764         (cgraph_call_edge_duplication_hooks):  New function.
5765         (cgraph_add_node_duplication_hook):  New function.
5766         (cgraph_remove_node_duplication_hook):  New function.
5767         (cgraph_call_node_duplication_hooks):  New function.
5768         (cgraph_create_edge): Assign to edge uid.
5769         (cgraph_remove_edge): Call edge removal hooks.
5770         (cgraph_node_remove_callees): Call edge removal hooks.
5771         (cgraph_node_remove_callers): Call edge removal hooks.
5772         (cgraph_remove_node): Call node removal hooks.
5773         (cgraph_clone_edge): Call edge duplication hooks.
5774         (cgraph_clone_node): Call node duplication hooks.
5775
5776         * cgraph.h (cgraph_edge): New field uid.
5777         (cgraph_edge_hook): New type.
5778         (cgraph_node_hook): New type.
5779         (cgraph_2edge_hook): New type.
5780         (cgraph_2node_hook): New type.
5781
5782 2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>
5783
5784         * config.in: Regenerate.
5785
5786 2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>
5787
5788         * gcc.c (print_sysroot): New.
5789         (option_map, display_help, process_command): Handle the
5790         -print-sysroot option.
5791         (main): Print the sysroot if requested.
5792         * doc/invoke.texi (Debugging Options): Document -print-sysroot.
5793
5794 2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5795
5796         PR target/34780
5797         * unwind-pe.h (size_of_encoded_value): add attribute unused.
5798
5799 2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>
5800
5801         * function.c (assign_parm_remove_parallels): Check mode of entry_parm.
5802         (assign_parm_setup_block_p): Also check mode of entry_parm.
5803
5804 2008-07-07  Richard Guenther  <rguenther@suse.de>
5805
5806         * tree-ssa-structalias.h (set_used_smts): Remove.
5807         * tree-ssa-structalias.c (used_smts): Likewise.
5808         (set_used_smts): Likewise.
5809         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
5810         call to set_used_smts.
5811
5812 2008-07-07  Richard Guenther  <rguenther@suse.de>
5813
5814         * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
5815         (new_var_info): Set it to false.
5816         (solution_set_add): Correctly handle pointers outside a var and
5817         inside a field.
5818         (type_safe): Treat variables with is_full_var properly.
5819         (do_sd_constraint): Likewise.
5820         (do_ds_constraint): Likewise.
5821         (process_constraint): Remove zeroing offset for !use_field_sensitive.
5822         (get_constraint_for_ptr_offset): New function.
5823         (get_constraint_for_component_ref): For addresses at least include
5824         the last field of the variable.  Handle is_full_vars properly.
5825         (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
5826         (handle_ptr_arith): Remove.
5827         (find_func_aliases): Simplify assignment handling.
5828         (create_function_info_for): For parameter and result varinfos set
5829         is_full_var flag.
5830         (create_variable_info_for): Set is_full_var flag whenever we
5831         just created a single varinfo for a decl.
5832         (init_alias_vars): Initialize use_field_sensitive from
5833         max-fields-for-field-sensitive parameter.
5834
5835 2008-07-07  Richard Guenther  <rguenther@suse.de>
5836
5837         PR tree-optimization/36713
5838         * tree-flow-inline.h (is_call_used): New function.
5839         * tree-nrv.c (dest_safe_for_nrv_p): Use it.
5840         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
5841         * tree-outof-ssa.c (create_temp): Set call-used flag if required.
5842
5843 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
5844
5845         * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
5846
5847 2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>
5848
5849         * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.
5850
5851 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
5852             Nathan Sidwell  <nathan@codesourcery.com>
5853
5854         * config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
5855         to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
5856         tmake_file.
5857         * config/m68k/t-linux: New.
5858         * doc/install.texi: Document m68k-*-linux is now multilibbed by
5859         default.
5860
5861 2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>
5862
5863         * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
5864         * config/m68k/m68k-devices.def: Remove multilibs that only differ
5865         by MAC/EMAC.
5866
5867 2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5868
5869         * gcc.c (execute): Fix -Wc++-compat warning.
5870
5871 2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>
5872
5873         PR target/36720
5874         * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
5875         constant for little endian.
5876
5877 2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>
5878
5879         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
5880         mips_base_mips16 instead of TARGET_MIPS16.
5881         (mips_base_mips16): Declare.
5882         * config/mips/mips.c (mips_base_mips16): Make global.
5883         (was_mips16_p): Remove GTY marker.
5884         (was_mips16_pch_p): New variable.
5885         (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
5886         (mips_override_options): Force to non-MIPS16 mode initially.
5887         Do not complain about MIPS16 PIC incompatibilities here.
5888         Only allow -mgpopt if -mexplicit-relocs is in force for
5889         non-MIPS16 code.
5890
5891 2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>
5892
5893         * configure.ac: Check for caddr_t, define to char * if not defined.
5894         * configure: Regenerate.
5895         * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
5896         (mmap_gt_pch_use_address): Likewise.
5897         * config/host-solaris.c (sol_gt_pch_use_address): Likewise.
5898
5899 2008-07-06  Richard Guenther  <rguenther@suse.de>
5900
5901         * tree-ssa-structalias.c (struct variable_info): Remove has_union.
5902         (new_var_info): Deal with it.
5903         (solution_set_add): Likewise.
5904         (bitpos_of_field): Make signed, fix.
5905         (struct fieldoff): Remove type and decl fields.  Make size field
5906         unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
5907         flags.
5908         (fieldoff_compare): Deal with it.
5909         (push_fields_onto_fieldstack): Remove has_union argument, glob
5910         adjacent non-pointer fields together.
5911         (create_function_info_for): Do not set has_union.
5912         (create_variable_info_for): Simplify.
5913
5914 2008-07-06  Kai Tietz  <kai.tietz@onevision.com>
5915
5916         * config.gcc (extra_headers): Add cross-stdarg.h for target
5917         x86_64-*-* and i?86-*-*.
5918         * config/i386/cross-stdarg.h: New.
5919         * builtins.c (std_fn_abi_va_list): New.
5920         (std_canonical_va_list_type): New.
5921         (stabilize_va_list): Replace va_list_type_node use by
5922         mtarget.canonical_va_list_type.
5923         (gimplify_va_arg_expr): Likewise.
5924         (expand_builtin_va_copy): Replace va_list_type_node use by
5925         mtarget.fn_abi_va_list.
5926         * tree-sra.c (is_va_list_type): New helper.
5927         (decl_can_be_decomposed_p): Replace
5928         va_list_type_node use by is_va_list_type.
5929         * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
5930         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
5931         * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
5932         * config/i386/i386-protos.h (ix86_get_valist_type): New.
5933         (ix86_enum_va_list): New.
5934         * config/i386/i386.c (sysv_va_list_type_node): New.
5935         (ms_va_list_type_node): New.
5936         (ix86_function_type_abi): Remove sorry.
5937         (ix86_build_builtin_va_list_abi): New.
5938         (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
5939         for 64-bit targets.
5940         (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
5941         (ix86_init_builtins_va_builtins_abi): New.
5942         (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
5943         for 64-bit targets.
5944         (ix86_handle_abi_attribute): New.
5945         (attribute_spec): Add sysv_abi and ms_abi.
5946         (ix86_fn_abi_va_list): New.
5947         (ix86_canonical_va_list_type): New.
5948         (ix86_enum_va_list): New.
5949         (TARGET_FN_ABI_VA_LIST): New.
5950         (TARGET_CANONICAL_VA_LIST_TYPE): New.
5951         * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
5952         * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
5953         (TARGET_CANONICAL_VA_LIST_TYPE): New.
5954         (TARGET_ENUM_VA_LIST): New.
5955         * expr.h (std_fn_abi_va_list): New.
5956         (std_canonical_va_list_type): New.
5957         * target-def.h (TARGET_FN_ABI_VA_LIST): New.
5958         (TARGET_CANONICAL_VA_LIST_TYPE): New.
5959         (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
5960         TARGET_CANONICAL_VA_LIST_TYPE.
5961         * target.h (struct gcc_target): Add fn_abi_va_list hook
5962         and canonical_va_list_type hook.
5963
5964 2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5965
5966         * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
5967         integral and pointer types.
5968
5969 2008-07-04  Roger Sayle  <roger@eyesopen.com>
5970
5971         * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
5972         the "void*" result of xmalloc to "char*" to fix bootstrap breakage.
5973
5974 2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
5975
5976         PR target/36684
5977         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.
5978
5979 2008-07-04  Jakub Jelinek  <jakub@redhat.com>
5980
5981         * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
5982         build_gimple_modify_stmt.
5983         (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
5984         gimple operand.  Use fold_build* instead of build*.
5985
5986 2008-07-04  Richard Guenther  <rguenther@suse.de>
5987
5988         * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
5989         (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
5990         properly to compute the reachability set if we do field-sensitive PTA.
5991         * invoke.texi (max-fields-for-field-sensitive): Document default.
5992         * opts.c (decode_options): Set max-fields-for-field-sensitive to
5993         100 for optimize >= 2.
5994
5995 2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5996
5997         * ggc-zone.c (lookup_page_table_if_allocated,
5998         set_page_table_entry, zone_find_object_size, alloc_small_page,
5999         alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
6000         new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
6001         -Wc++-compat and/or -Wcast-qual warnings.
6002
6003 2008-07-04  Alan Modra  <amodra@bigpond.net.au>
6004
6005         PR target/36634
6006         * config/rs6000/rs6000.md (call, call_value): Don't arrange for
6007         pic_offset_table_rtx to be marked as used here.
6008         (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
6009         TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
6010         (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
6011         (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
6012         !TARGET_SECURE_PLT.
6013
6014 2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6015
6016         * alloc-pool.c (hash_descriptor, eq_descriptor,
6017         alloc_pool_descriptor): Fix -Wc++-compat warnings.
6018         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
6019         Likewise.
6020         * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
6021         loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
6022         final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
6023         * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
6024         Likewise.
6025
6026 2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>
6027
6028         * tree-flow.h (loop_only_exit_p): Declare.
6029         * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
6030         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
6031         the number of iterations if it is constant.  Otherwise, if this is the
6032         only possible exit of the loop, use the conservative estimate on the
6033         number of iterations of the entire loop if available.
6034
6035 2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>
6036
6037         * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
6038         * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
6039         Add synchronization functions.
6040         * config/sync.c: New file.
6041         * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
6042         (LIBGCC_SYNC_CFLAGS): Likewise.
6043
6044 2008-07-03  Uros Bizjak  <ubizjak@gmail.com>
6045
6046         PR target/36710
6047         * config/i386/i386.md (mode): Add TF to "mode" attribute.
6048         (*pushtf_sse): New insn pattern.
6049         (pushtf splitters): New splitters.
6050
6051 2008-07-03  Michael Meissner  <gnu@the-meissners.org>
6052
6053         PR middle-end/35736
6054         * predict.c (build_predict_expr): Use void_type_node for the tree
6055         type, instead of NULL_TREE.
6056
6057 2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>
6058
6059         * config/i386/i386.c (contains_aligned_value_p): Return true
6060         for TCmode.
6061         (ix86_data_alignment): Align TCmode to 128bits.
6062         (ix86_local_alignment): Likewise.
6063
6064 2008-07-03  Andrew Haley  <aph@redhat.com>
6065
6066         PR bootstrap/33304
6067         * vec.h (VEC_TA): New.
6068         (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
6069         DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
6070         * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
6071         (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
6072         (C_COMMON_FIXED_TYPES): Remove first arg.
6073         (C_COMMON_FIXED_MODE_TYPES): Likewise.
6074         * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
6075         MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
6076         not to use empty macro arguments.
6077
6078 2008-07-02  Joseph Myers  <joseph@codesourcery.com>
6079
6080         * config/alpha/vms_tramp.asm, config/arm/crti.asm,
6081         config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
6082         config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
6083         config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
6084         config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
6085         config/i386/sol2-gc1.asm, config/ia64/crti.asm,
6086         config/ia64/crtn.asm, config/m68hc11/larith.asm,
6087         config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
6088         config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
6089         config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
6090         config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
6091         config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
6092         config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
6093         config/rs6000/e500crtres64gpr.asm,
6094         config/rs6000/e500crtres64gprctr.asm,
6095         config/rs6000/e500crtrest32gpr.asm,
6096         config/rs6000/e500crtrest64gpr.asm,
6097         config/rs6000/e500crtresx32gpr.asm,
6098         config/rs6000/e500crtresx64gpr.asm,
6099         config/rs6000/e500crtsav32gpr.asm,
6100         config/rs6000/e500crtsav64gpr.asm,
6101         config/rs6000/e500crtsav64gprctr.asm,
6102         config/rs6000/e500crtsavg32gpr.asm,
6103         config/rs6000/e500crtsavg64gpr.asm,
6104         config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
6105         config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
6106         config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
6107         config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
6108         config/sparc/sol2-cn.asm: Remove .file directives.
6109
6110 2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>
6111
6112         * resource.c (mark_referenced_resources): Look inside
6113         UNSPEC_VOLATILEs and ASM_INPUTs.
6114
6115 2008-07-02  Ian Lance Taylor  <iant@google.com>
6116
6117         * rtlanal.c (add_reg_note): New function.
6118         * rtl.h (add_reg_note): Declare.
6119         * auto-inc-dec.c (attempt_change): Use add_reg_note.
6120         * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
6121         * builtins.c (expand_builtin_longjmp): Likewise.
6122         (expand_builtin_nonlocal_goto): Likewise.
6123         * calls.c (emit_call_1, expand_call): Likewise.
6124         * cfgexpand.c (add_reg_br_prob_note): Likewise.
6125         * cfglayout.c (fixup_reorder_chain): Likewise.
6126         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
6127         (commit_one_edge_insertion): Likewise.
6128         * combine.c (move_deaths, distribute_notes): Likewise.
6129         * df-problems.c (df_set_note): Likewise.
6130         * emit-rtl.c (link_cc0_insns, try_split): Likewise.
6131         (set_unique_reg_note): Likewise.
6132         (emit_copy_of_insn_after): Likewise.
6133         * expr.c (expand_expr_real): Likewise.
6134         * gcse.c (add_label_notes): Likewise.
6135         * haifa-sched.c (create_check_block_twin): Likewise.
6136         * jump.c (mark_jump_label_1): Likewise.
6137         * loop-doloop.c (add_test, doloop_modify): Likewise.
6138         * loop-unswitch.c (compare_and_jump_seq): Likewise.
6139         * lower-subreg.c (move_eh_region_note): Likewise.
6140         * optabs.c (emit_libcall_block): Likewise.
6141         * predict.c (predict_insn): Likewise.
6142         (combine_predictions_for_insn): Likewise.
6143         * recog.c (peephole2_optimize): Likewise.
6144         * regmove.c (try_auto_increment): Likewise.
6145         * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
6146         * reload.c (find_reloads): Likewise.
6147         * reload1.c (fixup_eh_region_note): Likewise.
6148         (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
6149         * reorg.c (delete_prior_computation): Likewise.
6150         (delete_computation, dbr_schedule): Likewise.
6151         * config/pa/pa.c (legitimize_pic_address): Likewise.
6152         * config/sh/sh.c (sh_reorg): Likewise.
6153
6154 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6155
6156         PR target/36669
6157         * config/libgcc-glibc.ver: Add %exclude.
6158         * config/m32r/libgcc-glibc.ver: Likwise.
6159         * config/s390/libgcc-glibc.ver: Likwise.
6160         * config/sh/libgcc-glibc.ver: Likwise.
6161         * config/sparc/libgcc-sparc-glibc.ver: Likwise.
6162
6163         * config/i386/libgcc-glibc.ver: New.
6164
6165         * config/i386/libgcc-x86_64-glibc.ver: Removed.
6166
6167 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6168
6169         * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
6170         from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
6171         i[34567]86-*-linux*, x86_64-*-linux*.  Add
6172         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
6173         i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
6174         x86_64-*-linux*.  Add i386/t-linux to tmake_file for
6175         i[34567]86-*-linux*, x86_64-*-linux*.
6176
6177         * libgcc-std.ver: Add empty GCC_4.4.0.
6178
6179         * mkmap-symver.awk: Support multiple versions per symbol.
6180
6181         * config/i386/i386.c (ix86_init_builtins): Always define
6182         __builtin_fabsq and __builtin_copysignq with fallbacks.
6183         (ix86_expand_builtin): Emit normal call for __builtin_fabsq
6184         and __builtin_copysignq if SSE2 isn't available.
6185
6186         * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
6187         (LIBGCC2_TF_CEXT): Likwise.
6188         (TF_SIZE): Likwise.
6189
6190         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
6191
6192         * config/i386/sfp-machine.h: Moved to libgcc.
6193
6194         * config/i386/sfp-machine.h: New.
6195         * config/i386/t-linux: Likwise.
6196
6197         * config/i386/t-darwin: Remove softfp_wrap_start and
6198         softfp_wrap_end.
6199         * config/i386/t-darwin64: Likewise.
6200
6201         * config/i386/t-fprules-softfp64: Renamed to ...
6202         * config/i386/t-fprules-softfp: This.
6203
6204         * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
6205         and softfp_wrap_end.
6206
6207 2008-07-02  Jason Merrill  <jason@redhat.com>
6208
6209         * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.
6210
6211         * tree.c (ctor_to_list): New fn.
6212         * tree.h: Declare it.
6213         (CONSTRUCTOR_ELT): New macro.
6214         (CONSTRUCTOR_NELTS): New macro.
6215
6216 2008-07-02  Richard Guenther  <rguenther@suse.de>
6217
6218         * tree-ssa-structalias.c (struct variable_info): Reorder
6219         to fill padding on 64bit hosts.  Make collapsed_to an int.
6220         (get_varinfo_fc): Deal with that.
6221         (new_var_info): Likewise.
6222         (collapse_rest_of_var): Likewise.
6223
6224 2008-07-02  Joshua Sumali  <jsumali@redhat.com>
6225
6226         * doc/install.texi (--enable-java-home): Document.
6227         (--enable-aot-compile-rpm): Likewise.
6228         (--with-arch-directory): Likewise.
6229         (--with-os-directory): Likewise.
6230         (--with-origin-name): Likewise.
6231         (--with-arch-suffix): Likewise.
6232         (--with-jvm-root-dir): Likewise.
6233         (--with-jvm-jar-dir): Likewise.
6234         (--with-python-dir): Likewise.
6235
6236 2008-07-02  Richard Guenther  <rguenther@suse.de>
6237
6238         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
6239         from decls explicitly.  Merge operand checking from tuples.
6240
6241 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6242
6243         * tree-switch-conversion.c: Included timevar.h which I forgot before.
6244
6245 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6246
6247         * tree-switch-conversion.c: Included timevar.h
6248         (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).
6249
6250         * timevar.def: Added TV_TREE_SWITCH_CONVERSION.
6251
6252 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6253
6254         * tree-switch-conversion.c: Corrected various comments and
6255         whitespace issues
6256         (build_constructors): Fixed minor formatting mistakes.
6257
6258         * invoke.texi (Optimize Options): Corrected the
6259         switch-conversion-max-branch-ratio parameter.
6260
6261 2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>
6262
6263         * final.c (asm_insn_count): Return zero for an empty asm body.
6264
6265 2008-07-02  Richard Guenther  <rguenther@suse.de>
6266
6267         * bitmap.h (bitmap_set_bit): Return bool.
6268         (bitmap_clear_bit): Likewise.
6269         * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
6270         write to the bitmap if it would.
6271         (bitmap_clear_bit): Likewise.
6272         * tree-ssa-structalias.c (add_implicit_graph_edge): Use
6273         bitmap_set_bit return value.
6274         (add_pred_graph_edge): Likewise.
6275         (add_graph_edge): Likewise.
6276         (do_sd_constraint): Likewise.
6277         (do_ds_constraint): Likewise.
6278
6279 2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6280
6281         * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
6282         Fix -Wc++-compat and/or -Wcast-qual warnings.
6283         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
6284         gen_regparm_prefix): Likewise.
6285         * vmsdbgout.c (write_modbeg, lookup_filename,
6286         vmsdbgout_source_line, vmsdbgout_init): Likewise.
6287
6288 2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>
6289
6290         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
6291         defaults.h definition apply.
6292
6293 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
6294
6295         * function.c (assign_parm_remove_parallels): New.
6296         (assign_parm_setup_block_p): Do not return true for non-BLKmode
6297         PARALLELs.
6298         (assign_parm_setup_block): Do not handle them.
6299         (assign_parm_setup_reg, assign_parm_setup_stack): Call
6300         assign_parm_remove_parallels.
6301
6302 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
6303
6304         * c-typeck.c (convert_for_assignment): Use
6305         vector_targets_convertible_p.
6306         * c-common.c (vector_targets_convertible_p): New.
6307         * c-common.h (vector_targets_convertible_p): New prototype.
6308         * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
6309         opaque_p_V2SI_type_node.
6310
6311 2008-07-01  Steve Ellcey  <sje@cup.hp.com>
6312
6313         * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
6314         RFmode constants.
6315
6316 2008-07-01  Uros Bizjak  <ubizjak@gmail.com>
6317
6318         * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
6319         TFmode constants via two element DImode vector for hosts with
6320         HOST_BITS_PER_WIDE_INT < 64.
6321         (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
6322         also for HOST_BITS_PER_WIDE_INT < 64.
6323
6324 2008-07-01  Richard Guenther  <rguenther@suse.de>
6325
6326         PR tree-optimization/36666
6327         * tree-ssa-structalias.c (get_constraint_for_1): Declare.
6328         (get_constraint_exp_from_ssa_var): Split into ...
6329         (get_constraint_exp_for_temp): ... this ...
6330         (get_constraint_for_ssa_var): ... and that.
6331         Return constraint expressions for all touched sub-fields
6332         if the results address is not taken.
6333         (process_constraint): Remove assertion that aggregate
6334         assignments do not happen at this place.
6335         (get_constraint_for_component_ref): Add address_p argument.
6336         Return constraint expressions for all touched sub-fields
6337         if the results address is not taken.
6338         (do_deref): Use get_constraint_exp_for_temp.
6339         (get_constraint_for_1): Rename from ...
6340         (get_constraint_for): ... this.  Add the old function as wrapper.
6341         (do_structure_copy): Use get_constraint_for_1.
6342
6343 2008-07-01  Martin Jambor  <mjambor@suse.cz>
6344
6345         * Makefile.in (tree-switch-conversion.o): Add.
6346         (OBJS-common): Add tree-swtch-conversion.o.
6347         * passes.c (init_optimization_passes): Add pass_convert_switch.
6348         * tree-pass.h: (pass_convert_switch): Add.
6349         * tree-switch-conversion.c: New file.
6350         * gcc.dg/tree-ssa/cswtch.c: New testcase.
6351         * common.opt (ftree-cswtch): New option.
6352         * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
6353         * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
6354         * opts.c (decode_options): Set flag_tree_switch_conversion when
6355         optimization level is >= 2.
6356         * doc/invoke.texi (Optimize Options): Added description of
6357         -ftree-swtch-conversion and switch-conversion-max-branch-ratio.
6358
6359 2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6360
6361         * config/darwin-driver.c (darwin_default_min_version): Fix
6362         -Wc++-compat warnings.
6363
6364 2008-06-30  Uros Bizjak  <ubizjak@gmail.com>
6365
6366         * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
6367         of operand 0.
6368
6369 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
6370
6371         * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
6372
6373 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
6374
6375         PR rtl-optimization/34744
6376         * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
6377         (df_scan_free_internal): Free data structures not
6378         allocated in storage pools.
6379         (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
6380         (df_refs_add_to_chains): Use df_scan_free_ref_vec and
6381         df_scan_free_mws_vec.
6382         * dse.c (dse_step6): Free offset_map_p and offset_map_n
6383         unconditionally.
6384
6385 2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>
6386
6387         * config/i386/i386.c (contains_aligned_value_p): Return true
6388         for __float128.
6389         (ix86_function_arg_boundary): Return its natural boundary
6390         for __float128.
6391         (return_in_memory_32): Don't check TDmode.
6392         (ix86_split_to_parts): Support splitting into 4 parts and
6393         support TFmode for 32bit target.
6394         (ix86_split_long_move): Support splitting into 4 parts.
6395         (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
6396         for SSE2.
6397         (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
6398         (ix86_init_builtins): Here.
6399         (ix86_scalar_mode_supported_p): Always return true for TFmode.
6400         (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
6401         'q' and 'w', respectively.
6402
6403         * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
6404         TARGET_64BIT.
6405         (movtf_internal): Likewise.
6406         (<code>tf2): Likewise.
6407         (*absnegtf2_sse): Likewise.
6408         (copysign<mode>3): Likewise.
6409         (copysign<mode>3_const): Likewise.
6410         (copysign<mode>3_var): Likewise.
6411         (define_split UNSPEC_COPYSIGN): Likewise.
6412         * config/i386/sse.md (*nandtf3): Likewise.
6413         (<code>tf3): Likewise.
6414         (*<code>tf3): Likewise.
6415
6416 2008-06-30  Joey Ye  <joey.ye@intel.com>
6417             H.J. Lu  <hongjiu.lu@intel.com>
6418
6419         * global.c (compute_regsets): Set frame_pointer_needed here.
6420         * reload1.c (init_elim_table): Don't set frame_pointer_needed here.
6421
6422 2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
6423
6424         * doc/install.texi (specific): Expand Windows build notes.
6425
6426 2008-06-30  Ira Rosen  <irar@il.ibm.com>
6427
6428         PR tree-optimization/36648
6429         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
6430         number of prolog iterations by step. Fix the comment.
6431
6432 2008-06-30  Richard Guenther  <rguenther@suse.de>
6433
6434         PR middle-end/36671
6435         * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
6436         handle calls from ECF_MALLOC functions.
6437         (handle_pure_call): ECF_MALLOC functions do not return
6438         call-used memory.
6439         (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
6440
6441 2008-06-29  Andreas Schwab  <schwab@suse.de>
6442
6443         * config/m68k/m68k.c (print_operand): Always print a float
6444         constant in hex.
6445         * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
6446         (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
6447         Remove macros.
6448
6449         * config/rs6000/x-linux64: Remove never used file.
6450
6451 2008-06-29  Richard Guenther  <rguenther@suse.de>
6452
6453         * tree-ssa-structalias.h (compute_points_to_sets): Adjust
6454         prototype.
6455         (struct alias_info): Move ...
6456         * tree-ssa-alias.c: ... here.
6457         (update_alias_info): Declare.
6458         (compute_may_aliases): Call it.
6459         (update_alias_info): New function.
6460         * tree-ssa-structalias.c (update_alias_info): Move ...
6461         * tree-ssa-alias.c (update_alias_info_1): ... here.
6462         * tree-ssa-structalias.c (process_constraint_1): Remove
6463         unused from_call argument.  Rename to ...
6464         (process_constraint): ... this.  Delete old wrapper.
6465         (make_constraint_to): Adjust callers.
6466         (handle_const_call): Likewise.
6467         (handle_pure_call): Likewise.
6468         (init_base_vars): Likewise.
6469         (handle_lhs_call): Likewise.  Remove unnecessary constraint.
6470         (find_func_aliases): We don't need structure copies for
6471         complex types.
6472         (make_constraint_from_anything): Remove.
6473         (create_variable_info_for): For globals make constraints
6474         from escaped, not from anything.
6475         (compute_points_to_sets): Do not call update_alias_info.
6476         (ipa_pta_execute): Use make_constraint_from.
6477
6478 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6479
6480         * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
6481         (bitmap.o-warn, dominance.o-warn): New.
6482         * configure.ac (cxx_compat_warn): Delete.
6483         (loose_warn): Add -Wcast-qual and -Wc++-compat.
6484         * system.h: Remove #pragma diagnostic for -Wcast-qual and
6485         -Wc++-compat.
6486         * configure: Regenerate.
6487
6488         * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
6489         warnings.
6490
6491 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6492
6493         * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
6494         * df-scan.c (df_notes_rescan): Likewise.
6495         * ggc-page.c (set_page_table_entry): Likewise.
6496         * intl.c (gcc_gettext_width): Likewise.
6497         * varasm.c (get_unnamed_section, get_noswitch_section,
6498         get_section): Likewise.
6499
6500 2008-06-28  Andrew Jenner  <andrew@codesourcery.com>
6501
6502         * regrename.c (build_def_use): Don't copy RTX.
6503
6504 2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>
6505
6506         * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
6507         (Type Attributes): Fix nesting of @table and @subsection.  Adjust
6508         punctuation.  Use @ref instead of @xref.
6509         (Function Names): Remove stray @display/@end display.
6510         (C++ Attributes): Use @ref instead of @xref.
6511         (Deprecated Features): Fix punctuation around @xref.
6512         (Backwards Compatibility): Likewise.
6513         * doc/rtl.texi (Incdec): Remove stray @table/@end table.
6514
6515 2008-06-28  Joseph Myers  <joseph@codesourcery.com>
6516
6517         * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
6518         constants for E500 double.
6519
6520 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6521
6522         * doc/rtl.texi (const_vector): Document const_fixed as legitimate
6523         element type of const_vector.
6524
6525 2008-06-28  Uros Bizjak  <ubizjak@gmail.com>
6526
6527         * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
6528         Remove FLAGS_REG clobber from expander pattern.
6529         (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
6530         (anddi3, andsi3, andhi3, andqi3): Ditto.
6531         (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
6532         (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
6533         (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
6534         (ashlsi3, ashlhi3, ashlqi3): Ditto.
6535         (ashrsi3, ashrhi3, ashrqi3): Ditto.
6536         (lshrsi3, lshrhi3, lshrqi3): Ditto.
6537         (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
6538         (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.
6539
6540 2008-06-28  Richard Guenther  <rguenther@suse.de>
6541
6542         * tree-ssa-structalias.c (callused_id, var_callused,
6543         callused_tree): Add.
6544         (handle_pure_call): New function.
6545         (find_func_aliases): Call it.
6546         (find_what_p_points_to): Handle the call-used set.
6547         (clobber_what_escaped): Likewise.
6548         (compute_call_used_vars): New function.
6549         (init_base_vars): Init the call-used variable.
6550         (do_sd_constraint): Do not propagate the solution from CALLUSED
6551         but use CALLUSED as a placeholder.
6552         (solve_graph): Likewise.
6553         * tree-flow-inline.h (gimple_call_used_vars): New function.
6554         * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
6555         (compute_call_used_vars): Declare.
6556         * tree-ssa-alias.c (set_initial_properties): Call
6557         compute_call_used_vars.
6558         (reset_alias_info): Clear call-used variables.
6559         (add_call_clobber_ops): Assert we are not called for const/pure
6560         functions.  Remove handling of them.
6561         (add_call_read_ops): Handle pure functions by adding the
6562         call-used set of variables as VUSEs.
6563         * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
6564         (delete_tree_ssa): Free it.
6565         * tree-dfa.c (remove_referenced_var): Clear the var from the
6566         call-used bitmap.
6567
6568 2008-06-28  Kai Tietz  <kai.tietz@onevision.com>
6569
6570         * tree.c (build_varargs_function_type_list): New.
6571         (build_function_type_list_1): New.
6572         (build_function_type_list): Use build_function_type_list_1.
6573         * tree.h (build_varargs_function_type_list): New.
6574
6575 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6576
6577         PR target/34856
6578         * config/spu/spu.c (spu_builtin_splats): Do not generate
6579         invalid CONST_VECTOR expressions.
6580         (spu_expand_vector_init): Likewise.
6581
6582 2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>
6583
6584         * optabs.c (libfunc_decls): New variable.
6585         (libfunc_decl_hash, libfunc_decl_eq): New functions.
6586         (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
6587         for the same function twice.
6588
6589 2008-06-27  Uros Bizjak  <ubizjak@gmail.com>
6590
6591         * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
6592         ix86_expand_binary_operator directly.
6593         (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
6594         for operand 2.
6595         (*ashrti3_1): Ditto.
6596         (*lshrti3_1): Ditto.
6597         (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
6598         (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
6599         using only one splitter.  Conditionaly execute splitter before or
6600         after peephole2 pass.
6601         (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
6602         (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
6603         Use only one alternative in asm template.
6604         (x86_64_shld): Compress operand 2 constraints. Use only one alternative
6605         in asm template.
6606         (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
6607         "J" operand constraint for operand 2.
6608         (*ashldi3_cconly_rex64): Ditto.
6609         (*ashrdi3_cmp_rex64): Ditto.
6610         (*ashrdi3_cconly_rex64): Ditto.
6611         (*lshrdi3_cmp_rex64): Ditto.
6612         (*lshrdi3_cconly_rex64): Ditto.
6613         * config/i386/predicates.md (const_1_to_63_operand): New predicate.
6614         * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
6615         (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
6616         gen_x86_shrd_1.
6617
6618 2008-06-27  Jakub Jelinek  <jakub@redhat.com>
6619
6620         * gimplify.c (omp_is_private): Don't return true if decl is not
6621         already private on #pragma omp for or #pragma omp parallel for.
6622
6623         PR debug/36617
6624         * tree-cfg.c (struct move_stmt_d): Replace block field with
6625         orig_block and new_block fields.
6626         (move_stmt_r): Only set TREE_BLOCK to p->new_block if
6627         if it used to be NULL, p->orig_block or if p->orig_block is NULL.
6628         (move_block_to_fn): Replace vars_map and new_label_map arguments
6629         with struct move_stmt_d pointer.
6630         (replace_block_vars_by_duplicates): New function.
6631         (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
6632         move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
6633         all subblocks of ORIG_BLOCK to the new function.  Call
6634         replace_block_vars_by_duplicates.
6635         * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
6636         * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
6637         BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
6638         Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
6639         (expand_omp): Temporarily set input_location to the location of
6640         region's controlling stmt.
6641         (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
6642         BIND_EXPR, push ctx->block_vars and gimplification vars into
6643         the BIND_EXPR and its block's BLOCK_VARS instead of directly
6644         into dest function.
6645         (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
6646         there are any BLOCK_VARS.
6647         (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
6648         OMP_PARALLEL or OMP_TASK stmt.
6649         (lower_omp): Save and restore input_location around the lower_omp_1
6650         call.
6651
6652 2008-06-27  Richard Guenther  <rguenther@suse.de>
6653
6654         PR tree-optimization/36400
6655         PR tree-optimization/36373
6656         PR tree-optimization/36344
6657         * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
6658         var_nonlocal, nonlocal_tree, nonlocal_id): New globals
6659         (update_alias_info): Remove call clobbering code.
6660         (make_constraint_to): New helper function.
6661         (make_escape_constraint): Likewise.
6662         (handle_rhs_call): Use it on all pointer containing arguments.
6663         Also mark the static chain escaped.
6664         (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
6665         instead of ANYTHING.
6666         (make_constraint_from): New helper split out from ...
6667         (make_constraint_from_anything): ... here.
6668         (find_func_aliases): Add constraints for escape sites.
6669         (intra_create_variable_infos): Make constraints from NONLOCAL
6670         for parameters.
6671         (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
6672         as ANYTHING.
6673         (clobber_what_p_points_to): Remove.
6674         (clobber_what_escaped): New function.
6675         (init_base_vars): Init NONLOCAL and ESCAPED.
6676         (do_sd_constraint): Do not propagate the solution from ESCAPED
6677         but use ESCAPED as a placeholder.
6678         (solve_graph): Likewise.
6679         * tree-flow.h (clobber_what_p_points_to): Remove.
6680         (clobber_what_escaped): Declare.
6681         * tree-ssa-alias.c (set_initial_properties): Call it.
6682         Remove code clobbering escaped pointers.
6683
6684 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
6685
6686         * function.c (allocate_struct_function): Only allocate a unique
6687         funcdef_no if the decl is nonzero.
6688
6689 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
6690
6691         * config/mips/mips-protos.h (mips_split_const_insns): Declare.
6692         * config/mips/mips.c (mips_split_const_insns): New function.
6693         * config/mips/mips.md (move_type): New attribute.
6694         (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
6695         (dword_mode): New attribute.
6696         (type): Avoid long line.  Map "move_type"s to "type"s,
6697         choosing "multi" for doubleword moves if appropriate.
6698         Swap MTC/MFC comments to match their declaration order.
6699         (extended_mips16): Default to "yes" if "move_type" is "sll0",
6700         "type" is "branch" or "jal" is "direct".
6701         (length): Handle "extended_mips16" first.  Make the default
6702         "0" for "ghost" instructions.  Set the length from "move_type".
6703         (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
6704         of "type", with "sll0" for the register alternative.  Remove the
6705         "extended_mips16" attribute.
6706         (zero_extendsidi2, *clear_upper32): Use "move_type" instead
6707         of "type", with "shift_shift" for the register alternative.
6708         Remove the "length" attribute.
6709         (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
6710         (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
6711         of "type", with "andi" for the register alternative.
6712         (*zero_extendqihi2): Likewise.
6713         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
6714         of "andi" instead of a "type" of "arith".
6715         (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
6716         instead of "type".
6717         (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
6718         (mov_<store>r, *mov<mode>_ra): Likewise.
6719         (extendsidi2): Use "move_type" instead of "type", with "move"
6720         for the register alternative.
6721         (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
6722         of "type", with "signext" for the register alternative.
6723         (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
6724         (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
6725         (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
6726         (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
6727         (floatdisf2, *branch_equality<mode>_mips16): Likewise.
6728         (unnamed branch insn): Likewise.
6729         (*movdi_gp32_fp64): Fold into...
6730         (*movdi_32bit): ...here.
6731         (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
6732         (*movdf_hardfloat): ...this new pattern.
6733         (*movdf_softfloat): Remove redundant FPR alternatives.
6734         (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
6735         (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
6736         (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
6737         the "move" attribute.
6738         (*movdi_32bit): Use "move_type" instead of "type" and remove the
6739         "length" attribute.  Use "fpload" and "fpstore" instead of "load"
6740         and "store" for COP loads and stores.
6741         (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
6742         (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
6743         (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
6744         (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
6745         (*movtf_mips16, *movv2sf): Likewise.
6746         (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
6747         (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
6748         (mfhc1<mode>): Use "move_type" instead of "move".
6749         (*low<mode>_mips16): Use "extended_mips16" instead of "length".
6750         (loadgp_blockage): Remove the "length" attribute.
6751         (blockage, set_got_version, update_got_version): Likewise.
6752         (call_internal): Remove the "extended_mips16" attribute.
6753         (call_value_internal, call_value_multiple_internal): Likewise.
6754         * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
6755         instead of "move".
6756         * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
6757         the "length" attribute.
6758
6759 2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6760
6761         * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
6762         -Wcast-qual warnings.
6763         * c-pragma.c (dpm_eq, handle_pragma_push_macro,
6764         handle_pragma_pop_macro): Likewise.
6765         * collect2.c (resolve_lib_name): Likewise.
6766         * config/arc/arc.c (arc_init): Likewise.
6767         * config/arm/arm.c (neon_builtin_compare,
6768         locate_neon_builtin_icode): Likewise.
6769         * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
6770         * config/bfin/bfin.c (bfin_init_machine_status,
6771         bfin_optimize_loop): Likewise.
6772         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6773         * config/cris/cris.c (cris_init_expanders): Likewise.
6774         * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
6775         * config/darwin.c (machopic_indirection_eq,
6776         machopic_indirection_name, machopic_output_indirection): Likewise.
6777         * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
6778         frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
6779         frv_optimize_membar): Likewise.
6780         * config/i386/cygwin.h (mingw_scan,
6781         GCC_DRIVER_HOST_INITIALIZATION): Likewise.
6782         * config/i386/cygwin1.c (mingw_scan): Likewise.
6783         * config/i386/i386.c (machopic_output_stub): Likewise.
6784         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
6785         i386_pe_unique_section): Likewise.
6786         * config/ia64/ia64.c (ia64_init_machine_status,
6787         ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
6788         Likewise.
6789         * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
6790         * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
6791         * config/m68k/m68k.c (m68k_handle_option,
6792         m68k_sched_md_init_global): Likewise.
6793         * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
6794         mcore_unique_section): Likewise.
6795         * config/mips/mips.c (mips_block_move_straight,
6796         mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
6797         Likewise.
6798         * config/mmix/mmix.c (mmix_init_machine_status,
6799         mmix_encode_section_info): Likewise.
6800         * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
6801         * config/rs6000/rs6000.c (rs6000_init_machine_status,
6802         print_operand_address, output_toc, redefine_groups,
6803         rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
6804         * config/s390/s390.c (s390_init_machine_status): Likewise.
6805         * config/score/score.c (score_block_move_straight,
6806         score_block_move_loop_body): Likewise.
6807         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
6808         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
6809         * emit-rtl.c (find_auto_inc): Likewise.
6810         * gcc.c (translate_options, process_command): Likewise.
6811         * reorg.c (dbr_schedule): Likewise.
6812         * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
6813         * xcoffout.c (xcoffout_declare_function): Likewise.
6814
6815 2008-06-27  Daniel Berlin  <dberlin@dberlin.org>
6816
6817         * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
6818         ipa-pta working again.
6819
6820 2008-06-27  David Edelsohn  <edelsohn@gnu.org>
6821
6822         * config/rs6000/t-aix52: Append large data option to LDFLAGS for
6823         genautomata.
6824
6825 2008-06-27  Edmar Wienskoski  <edmar@freescale.com>
6826
6827         * config.gcc (powerpc*-*-*): Add new core e500mc.
6828         * config/rs6000/e500mc.md: New file.
6829         * config/rs6000/rs6000.c (processor_costs): Add new costs for
6830         e500mc.
6831         (rs6000_override_options): Add e500mc case to
6832         processor_target_table. Altivec and Spe options not allowed
6833         with e500mc. Add isel instruction to e500mc by
6834         default. Initialize rs6000_cost for e500mc.
6835         (rs6000_issue_rate): Set issue rate for e500mc.
6836         * config/rs6000/rs6000.h (processor_type): Add
6837         PROCESSOR_PPCE500MC.
6838         (ASM_CPU_SPEC): Add e500mc.
6839         Set TARGET_ISEL to rs6000_isel.
6840         * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
6841         (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
6842         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
6843         Include e500mc.md.
6844         * doc/invoke.texi: Add e500mc to list of cpus.
6845
6846 2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
6847
6848         PR c/34867
6849         * c-lex.c (lex_charconst): Initialize unsignedp.
6850
6851 2008-06-27  Olivier Hainque  <hainque@adacore.com>
6852
6853         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
6854         documented assumptions.
6855
6856 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
6857
6858         * dwarf2out.c: Remove trailing white spaces.  Break long line
6859         in comments.
6860
6861 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
6862
6863         * libfuncs.h (LTI_synchronize): New libfunc_index.
6864         (synchronize_libfunc): Declare.
6865         * builtins.c (expand_builtin_synchronize): Consider using
6866         synchronize_libfunc before falling back on an asm blockage.
6867         * config/mips/mips.c: Include libfuncs.h
6868         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
6869
6870 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
6871
6872         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
6873         parameter.  Copy stack_reg to r11 where appropriate.
6874         (no_global_regs_above): Add gpr parameter.
6875         (rs6000_stack_info): Only add padding for SPE save area if we
6876         are saving SPE GPRs and CR.
6877         (saveres_routine_syms): New variable.
6878         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
6879         Define.
6880         (rs6000_savres_routine_sym): New function.
6881         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
6882         split out of...
6883         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
6884         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
6885         Tweak FPR out-of-line saving.
6886         (rs6000_make_savres_rtx): New function.
6887         (rs6000_use_multiple_p): New function.
6888         (rs6000_savres_strategy): New function.
6889         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
6890         out-of-line if appropriate.
6891         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
6892         if we are optimizing for size.
6893         (GP_SAVE_INLINE): Define.
6894         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
6895         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
6896         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
6897         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
6898         (*save_fpregs_<mode>): Add use of r11.
6899         (*restore_gpregs_<mode>): New insn.
6900         (*return_and_restore_gpregs_<mode>): New insn.
6901         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
6902         use r11.
6903         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
6904         (*restore_gpregs_spe): New insn.
6905         (*return_and_restore_gpregs_spe): New insn.
6906         * config/rs6000/predicates.md (save_world_operation): Fix check.
6907
6908 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
6909
6910         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
6911         this point, so assert that.
6912
6913 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
6914
6915         * cfganal.c: Include vec.h and vecprim.h.
6916         (compute_idf): Import from...
6917         * tree-into-ssa (compute_idf): ...here.
6918         * basic-block.h (compute_idf): Export.
6919
6920 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
6921
6922         * c-decl.c (merge_decls): Use !current_function_decl to check for
6923         extern declaration of C99 inline function being at file scope.
6924
6925 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
6926
6927         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
6928
6929 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6930
6931         * alias.c (record_alias_subset, init_alias_analysis): Fix
6932         -Wc++-compat and/or -Wcast-qual warnings.
6933         * attribs.c (lookup_attribute_spec): Likewise.
6934         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
6935         copy_bb, connect_traces,
6936         find_rarely_executed_basic_blocks_and_cr): Likewise.
6937         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
6938         note_btr_set, migrate_btr_defs): Likewise.
6939         * builtins.c (result_vector, expand_builtin_memcpy,
6940         expand_builtin_mempcpy_args, expand_builtin_strncpy,
6941         builtin_memset_read_str, expand_builtin_printf,
6942         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
6943         Likewise.
6944         * caller-save.c (mark_set_regs): Likewise.
6945         * calls.c (expand_call, emit_library_call_value_1): Likewise.
6946         * cgraph.c (cgraph_edge): Likewise.
6947         * combine.c (likely_spilled_retval_1): Likewise.
6948         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
6949         htab_counts_entry_del, get_coverage_counts): Likewise.
6950         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
6951         new_cselib_val): Likewise.
6952         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
6953         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
6954         Likewise.
6955         * df-core.c (df_compact_blocks): Likewise.
6956         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
6957         * df-scan.c (df_grow_reg_info, df_ref_create,
6958         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
6959         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
6960         df_record_entry_block_defs, df_record_exit_block_uses,
6961         df_bb_verify): Likewise.
6962         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
6963         DF_REF_EXTRACT_MODE_CONST): New.
6964         * dominance.c (get_immediate_dominator, get_dominated_by,
6965         nearest_common_dominator, root_of_dom_tree,
6966         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
6967         -Wc++-compat and/or -Wcast-qual warnings.
6968         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
6969         record_store, replace_read, check_mem_read_rtx, scan_insn,
6970         dse_step1, dse_record_singleton_alias_set): Likewise.
6971         * dwarf2asm.c (dw2_force_const_mem): Likewise.
6972
6973 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6974
6975         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
6976         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
6977         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
6978         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
6979         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
6980         add_ranges_num, add_ranges_by_labels, file_info_cmp,
6981         file_name_acquire, output_file_names, add_const_value_attribute,
6982         premark_used_types_helper, file_table_eq, file_table_hash,
6983         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
6984         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
6985         -Wcast-qual warnings.
6986         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
6987         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
6988         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
6989         gen_reg_rtx, start_sequence, init_emit): Likewise.
6990         * et-forest.c (et_new_occ, et_new_tree): Likewise.
6991         * except.c (init_eh_for_function, gen_eh_region,
6992         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
6993         arh_to_landing_pad, arh_to_label, add_action_record,
6994         add_call_site, switch_to_exception_section): Likewise.
6995         * expmed.c (synth_mult): Likewise.
6996         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
6997         store_expr): Likewise.
6998         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
6999         Likewise.
7000         * function.c (assign_stack_temp_for_type,
7001         allocate_struct_function, match_asm_constraints_1): Likewise.
7002         * gcov-io.c (gcov_allocate): Likewise.
7003         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
7004         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
7005         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
7006         record_one_set, insert_expr_in_table, insert_set_in_table,
7007         dump_hash_table, compute_hash_table_work, alloc_hash_table,
7008         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
7009         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
7010         -Wcast-qual warnings.
7011
7012 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7013
7014         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
7015         -Wcast-qual warnings.
7016         * gcc.c (process_command): Likewise.
7017         * genattrtab.c (oballoc): Use XOBNEW.
7018         (oballocvec): Define.
7019         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
7020         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
7021         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
7022         -Wc++-compat and/or -Wcast-qual warnings.
7023         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
7024         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
7025         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
7026         gen_presence_absence_set, gen_automaton, gen_regexp_el,
7027         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
7028         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
7029         add_excls, process_presence_absence_names,
7030         process_presence_absence_patterns, add_presence_absence,
7031         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
7032         get_free_state, add_arc, get_free_automata_list_el,
7033         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
7034         transform_3, cache_presence, create_ainsns, create_automata,
7035         create_state_ainsn_table, dfa_insn_code_enlarge,
7036         output_trans_func, output_min_issue_delay_func,
7037         output_dead_lock_func, output_reset_func,
7038         output_get_cpu_unit_code_func, output_dfa_start_func,
7039         expand_automata): Likewise.
7040         * genextract.c (gen_insn): Likewise.
7041         * gengtype-lex.l: Likewise.
7042         * gengtype.c (read_input_list, adjust_field_type,
7043         process_gc_options): Likewise.
7044         * genoutput.c (note_constraint): Likewise.
7045         * genpreds.c (mangle, add_constraint): Likewise.
7046         * genrecog.c (process_define_predicate, new_decision,
7047         add_to_sequence): Likewise.
7048         * gensupport.c (record_insn_name): Likewise.
7049
7050 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7051
7052         * config/i386/driver-i386.c (detect_caches_amd,
7053         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
7054         and/or -Wcast-qual warnings.
7055         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
7056         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
7057         gt_pch_save): Likewise.
7058         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
7059         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
7060         * global.c (compute_regsets): Likewise.
7061         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
7062         finish_graph_dump_file): Likewise.
7063         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
7064         unlink_bb_notes): Likewise.
7065         * integrate.c (get_hard_reg_initial_val): Likewise.
7066         * ipa-prop.c (ipa_push_func_to_list): Likewise.
7067         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
7068         * local-alloc.c (update_equiv_regs): Likewise.
7069         * loop-invariant.c (check_invariant_table_size,
7070         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
7071         Likewise.
7072         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
7073         altered_reg_used, mark_altered): Likewise.
7074         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
7075         insert_var_expansion_initialization,
7076         combine_var_copies_in_loop_exit, apply_opt_in_copies,
7077         release_var_copies): Likewise.
7078         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
7079         analyze_matrix_decl, add_allocation_site, analyze_transpose,
7080         analyze_accesses_for_phi_node, check_var_notmodified_p,
7081         check_allocation_function, find_sites_in_func,
7082         record_all_accesses_in_func, transform_access_sites,
7083         transform_allocation_sites): Likewise.
7084         * omp-low.c (new_omp_region, create_omp_child_function_name,
7085         check_omp_nesting_restrictions, check_combined_parallel,
7086         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
7087         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
7088         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
7089         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
7090         Likewise.
7091         * opts-common.c (prune_options): Likewise.
7092         * opts.c (add_input_filename, print_filtered_help,
7093         get_option_state): Likewise.
7094         * params.c (add_params): Likewise.
7095         * passes.c (set_pass_for_id, next_pass_1,
7096         do_per_function_toporder, pass_fini_dump_file): Likewise.
7097         * postreload.c (reload_cse_simplify_operands): Likewise.
7098         * predict.c (tree_predicted_by_p, tree_predict_edge,
7099         clear_bb_predictions, combine_predictions_for_bb): Likewise.
7100
7101 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7102
7103         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
7104         warnings.
7105         * recog.c (check_asm_operands, validate_change_1): Likewise.
7106         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
7107         subst_asm_stack_regs): Likewise.
7108         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
7109         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
7110         * regmove.c (reg_is_remote_constant_p): Likewise.
7111         * regrename.c (regrename_optimize, scan_rtx_reg,
7112         kill_clobbered_value, kill_set_value, kill_autoinc_value):
7113         Likewise.
7114         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
7115         regstat_compute_calls_crossed): Likewise.
7116         * reload1.c (init_reload, new_insn_chain,
7117         has_nonexceptional_receiver, reload, copy_reloads,
7118         calculate_needs_all_insns, init_elim_table): Likewise.
7119         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
7120         * rtl.c (shallow_copy_rtx_stat): Likewise.
7121         * rtlanal.c (parms_set): Likewise.
7122         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
7123         sbitmap_resize, sbitmap_vector_alloc): Likewise.
7124         * sched-ebb.c (earliest_block_with_similiar_load,
7125         add_deps_for_risky_insns): Likewise.
7126         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
7127         schedule_region): Likewise.
7128         * see.c (eq_descriptor_pre_extension,
7129         hash_descriptor_pre_extension, hash_del_pre_extension,
7130         eq_descriptor_properties, hash_descriptor_properties,
7131         hash_del_properties, see_seek_pre_extension_expr,
7132         see_initialize_data_structures, see_print_register_properties,
7133         see_print_pre_extension_expr, see_delete_merged_def_extension,
7134         see_delete_unmerged_def_extension, see_emit_use_extension,
7135         see_pre_delete_extension, see_map_extension, see_commit_changes,
7136         see_analyze_merged_def_local_prop,
7137         see_analyze_merged_def_local_prop,
7138         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
7139         see_set_prop_merged_def, see_set_prop_unmerged_def,
7140         see_set_prop_unmerged_use, see_print_one_extension,
7141         see_merge_one_use_extension, see_merge_one_def_extension,
7142         see_store_reference_and_extension, see_update_uses_relevancy,
7143         see_update_defs_relevancy): Likewise.
7144         * statistics.c (hash_statistics_hash, hash_statistics_eq,
7145         hash_statistics_free, curr_statistics_hash): Likewise.
7146         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
7147         expand_asm_operands, expand_return, case_bit_test_cmp,
7148         expand_case): Likewise.
7149         * stor-layout.c (start_record_layout): Likewise.
7150         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
7151         gt_pch_save_stringpool): Likewise.
7152         * tree-data-ref.c (hash_stmt_vertex_info,
7153         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
7154         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
7155
7156 2008-06-25  Uros Bizjak  <ubizjak@gmail.com>
7157
7158         PR target/36627
7159         * config/i386/i386.md : Change constraints of HImode and QImode
7160         immediate operands from "i" to "n".  Change SImode "ni" constraint to
7161         "i" and SImode "rmi" constraint to "g".  Remove all constraints
7162         from const0_operand and const1_operand predicated operands.
7163         (i): Change QImode and HImode attribute from "i" to "n".
7164         (*subqi_2): Change HImode operands to QImode.
7165         (*subqi_3): Ditto.
7166
7167 2008-06-25  Olivier Hainque  <hainque@adacore.com>
7168
7169         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
7170         sed substitutions.
7171
7172 2008-06-25  Richard Guenther  <rguenther@suse.de>
7173
7174         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
7175         not overflow the result type.
7176
7177 2008-06-25  Richard Guenther  <rguenther@suse.de>
7178
7179         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
7180         (vn_lookup): Likewise.
7181
7182 2008-06-25  Richard Guenther  <rguenther@suse.de>
7183
7184         PR tree-optimization/35518
7185         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
7186         * tree-sra.c (instantiate_element): Use fold_build3 to build
7187         BIT_FIELD_REFs.
7188         (try_instantiate_multiple_fields): Likewise.
7189
7190 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7191
7192         * config/rs6000/rs6000.md: Change all string instruction's clobber to
7193         be early clobbers.
7194
7195 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7196
7197         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
7198         use_backchain_to_restore_sp to true
7199         if the offset of the link register save area would go over the 32k - 1
7200         offset limit of the load
7201         instructions.
7202
7203 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
7204
7205         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
7206         anchor for the type-punning blurb.  Cross-reference "Structures
7207         unions enumerations and bit-fields implementation".  Provide a
7208         cast-through-pointer example.  Make final sentence self-contained.
7209         * doc/implement-c.texi (Structures unions enumerations and
7210         bit-fields implementation): Cross-reference the type-punning blurb
7211         in the -fstrict-aliasing documentation.
7212
7213 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7214
7215         PR middle-end/36594
7216         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
7217         the memory instead of the memory itself for the save area.
7218
7219 2008-06-24  Olivier Hainque  <hainque@adacore.com>
7220             Nicolas Roche  <roche@adacore.com>
7221
7222         * gengtype.c (srcdir_len): size_t instead of int.
7223         (get_file_realbasename): New function.  For F a filename, the real
7224         basename of F, with all the path components stripped.
7225         (get_file_srcdir_relative_path): New function.  For F a filename, the
7226         relative path to F from $(srcdir).
7227         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
7228         get_file_realbasename.  Adjust the head comment.
7229         (get_prefix_langdir_index): New function. For F a filename, return the
7230         lang_dir_names[] relative index of the language directory that is
7231         a prefix in F.
7232         (get_file_langdir): For F a filename, return the name of the language
7233         directory where F is located.
7234         (get_file_gtfilename): New function. The gt- output file name for an
7235         input filename F.
7236         (get_output_file_with_visibility): Replace in-line computations with
7237         uses of get_file_gtfilename and get_prefix_langdir_index.
7238         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
7239
7240 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
7241
7242         PR tree-optimization/36504
7243         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
7244         references without base address.
7245
7246 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7247
7248         PR middle-end/36584
7249         * calls.c (expand_call): Increase alignment for recursive functions.
7250
7251 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
7252
7253         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
7254         (TARGET_FUNCTION_VALUE): New define.
7255         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
7256         * config/avr/avr.h (FUNCTION_VALUE): Remove.
7257
7258 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7259
7260         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
7261         (fmod<mode>3): Ditto.
7262         (remainderxf3): Ditto.
7263         (remainder<mode>3): Ditto.
7264
7265 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
7266
7267         PR target/36533
7268         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
7269         REG is a hard register.
7270
7271         PR tree-optimization/36508
7272         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
7273         499, don't check it at all in release compilers.
7274
7275 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7276
7277         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
7278         together with SSE_TARGET_MATH to disable insn pattern.
7279         (*fop_<MODEF:mode>_2_i387): Ditto.
7280         (*fop_<MODEF:mode>_3_i387): Ditto.
7281
7282 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
7283
7284         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
7285
7286 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7287
7288         PR middle-end/34906
7289         * gimplify.c (gimplify_asm_expr): Check the return code of
7290         parse_output_constraint call, set function return and is_inout
7291         value if it failed.
7292
7293 2008-06-22  Ian Lance Taylor  <iant@google.com>
7294
7295         * c-lex.c (narrowest_unsigned_type): Change itk to int.
7296         (narrowest_signed_type): Likewise.
7297         * c-typeck.c (c_common_type): Change local variable mclass to enum
7298         mode_class, twice.
7299         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
7300         tcc_comparison, not the tree code itself.
7301         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
7302         (c_expand_expr): Cast modifier to enum expand_modifier.
7303         * c-common.h (C_RID_CODE): Add casts.
7304         (C_SET_RID_CODE): Define.
7305         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
7306         (c_lex_one_token): Add cast to avoid warning.
7307         (c_parser_objc_type_name): Rename local typename to type_name.
7308         (check_no_duplicate_clause): Change code parameter to enum
7309         omp_clause_code.
7310         (c_parser_omp_var_list_parens): Change kind parameter to enum
7311         omp_clause_code.
7312         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
7313         c_parser_omp_list_var_parens.
7314         (c_parser_omp_threadprivate): Likewise.
7315         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
7316         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
7317         * c-format.c (NO_FMT): Define.
7318         (printf_length_specs): Use NO_FMT.
7319         (asm_fprintf_length_specs): Likewise.
7320         (gcc_diag_length_specs): Likewise.
7321         (scanf_length_specs): Likewise.
7322         (strfmon_length_specs): Likewise.
7323         (gcc_gfc_length_specs): Likewise.
7324         (printf_flag_specs): Change 0 to STD_C89.
7325         (asm_fprintf_flag_specs): Likewise.
7326         (gcc_diag_flag_specs): Likewise.
7327         (gcc_cxxdiag_flag_specs): Likewise.
7328         (scanf_flag_specs): Likewise.
7329         (strftime_flag_specs): Likewise.
7330         (strfmon_flag_specs): Likewise.
7331         (print_char_table): Likewise.
7332         (asm_fprintf_char_table): Likewise.
7333         (gcc_diag_char_table): Likewise.
7334         (gcc_tdiag_char_table): Likewise.
7335         (gcc_cdiag_char_table): Likewise.
7336         (gcc_cxxdiag_char_table): Likewise.
7337         (gcc_gfc_char_table): Likewise.
7338         (scan_char_table): Likewise.
7339         (time_char_table): Likewis.
7340         (monetary_char_table): Likewise.
7341         * c-format.h (BADLEN): Likewise.
7342
7343 2008-06-21  Ian Lance Taylor  <iant@google.com>
7344
7345         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
7346         Define END_OF_BASE_TREE_CODES around inclusion.
7347         * tree.c (tree_code_type): New global array.
7348         (tree_code_length, tree_code_name): Likewise.
7349         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
7350         $(lang_tree_files).
7351         (all-tree.def, s-alltree): New targets.
7352         (gencheck.h, s-gencheck): Remove.
7353         (tree.o): Depend upon all-tree.def.
7354         (build/gencheck.o): Remove gencheck.h dependency.
7355         (mostlyclean): Don't remove gencheck.h.
7356         * c-common.h (enum c_tree_code): Remove.
7357         * c-lang.c (tree_code_type): Remove.
7358         (tree_code_length, tree_code_name): Remove.
7359         * gencheck.c (tree_codes): Include all-tree.def, rather than
7360         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
7361         after it is used.
7362         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
7363         than tree.def.
7364         * cp/cp-tree.h (enum cplus_tree_code): Remove.
7365         (operator_name_info): Size to MAX_TREE_CODES.
7366         (assignment_operator_name_info): Likewise.
7367         * cp/cp-lang.c (tree_code_type): Remove.
7368         (tree_code_length, tree_code_name): Remove.
7369         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
7370         (assignment_operator_name_info): Likewise.
7371         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
7372         MAX_TREE_CODES.
7373         * cp/mangle.c (write_expression): Likewise.
7374         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
7375         * fortran/f95-lang.c (tree_code_type): Remove.
7376         (tree_code_length, tree_code_name): Remove.
7377         * java/java-tree.h (enum java_tree_code): Remove.
7378         * java/lang.c (tree_code_type): Remove.
7379         (tree_code_length, tree_code_name): Remove.
7380         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
7381         * objc/objc-act.h (enum objc_tree_code): Remove.
7382         * objc/objc-lang.c (tree_code_type): Remove.
7383         (tree_code_length, tree_code_name): Remove.
7384         * objcp/objcp-lang.c (tree_code_type): Remove.
7385         (tree_code_length, tree_code_name): Remove.
7386         * ada/ada-tree.h (enum gnat_tree_code): Remove.
7387         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
7388         * ada/misc.c (tree_code_type): Remove.
7389         (tree_code_length, tree_code_name): Remove.
7390
7391 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
7392
7393         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
7394         the grand_bitmap_obstack.
7395
7396 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7397
7398         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
7399         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
7400         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
7401         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
7402         move_stmt_r, new_label_mapper): Likewise.
7403         * tree-complex.c (cvc_lookup): Likewise.
7404         * tree-dfa.c (create_function_ann): Likewise.
7405         * tree-dump.c (dump_register): Likewise.
7406         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
7407         find_phi_replacement_condition): Likewise.
7408         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
7409         tree_function_versioning): Likewise.
7410         * tree-into-ssa.c (cmp_dfsnum): Likewise.
7411         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
7412         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
7413         get_nonlocal_debug_decl, convert_nonlocal_reference,
7414         convert_nonlocal_omp_clauses, get_local_debug_decl,
7415         convert_local_reference, convert_local_omp_clauses,
7416         convert_nl_goto_reference, convert_nl_goto_receiver,
7417         convert_tramp_reference, convert_call_expr): Likewise.
7418         * tree-outof-ssa.c (contains_tree_r): Likewise.
7419         * tree-parloops.c (reduction_phi, initialize_reductions,
7420         eliminate_local_variables_1, add_field_for_reduction,
7421         add_field_for_name, create_phi_for_local_result,
7422         create_call_for_reduction_1, create_loads_for_reductions,
7423         create_stores_for_reduction, create_loads_and_stores_for_name):
7424         Likewise.
7425         * tree-phinodes.c (allocate_phi_node): Likewise.
7426         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
7427         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
7428         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
7429         * tree-ssa-coalesce.c (compare_pairs): Likewise.
7430         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
7431         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
7432         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
7433         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
7434         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
7435         vn_nary_op_insert): Likewise.
7436         * tree-ssa.c (redirect_edge_var_map_add,
7437         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
7438         * tree-vectorizer.c (vectorize_loops): Likewise.
7439         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
7440         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
7441         tree_cons_stat, build1_stat, build_variant_type_copy,
7442         decl_init_priority_lookup, decl_fini_priority_lookup,
7443         decl_priority_info, decl_restrict_base_lookup,
7444         decl_restrict_base_insert, decl_debug_expr_lookup,
7445         decl_debug_expr_insert, decl_value_expr_lookup,
7446         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
7447         type_hash_add, get_file_function_name, tree_check_failed,
7448         tree_not_check_failed, tree_range_check_failed,
7449         omp_clause_range_check_failed, build_omp_clause,
7450         build_vl_exp_stat): Likewise.
7451         * value-prof.c (gimple_histogram_value,
7452         gimple_duplicate_stmt_histograms): Likewise.
7453         * var-tracking.c (attrs_list_insert, attrs_list_copy,
7454         unshare_variable, variable_union_info_cmp_pos, variable_union,
7455         dataflow_set_different_1, dataflow_set_different_2,
7456         vt_find_locations, variable_was_changed, set_variable_part,
7457         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
7458         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
7459         section_entry_hash, object_block_entry_eq,
7460         object_block_entry_hash, create_block_symbol,
7461         initialize_cold_section_name, default_function_rodata_section,
7462         strip_reg_name, set_user_assembler_name, const_desc_eq,
7463         build_constant_desc, output_constant_def, lookup_constant_def,
7464         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
7465         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
7466         default_internal_label): Likewise.
7467         * varray.c (varray_init, varray_grow): Likewise.
7468         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
7469
7470 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
7471
7472         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
7473         operators for "test" insn.  Macroize insn using SWI mode macro.
7474         (*jcc_fused_2): Ditto.
7475         (*jcc_fused_3): Macroize insn using SWI mode macro.
7476         (*jcc_fused_4): Ditto.
7477
7478 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
7479
7480         * tree-ssa-pre.c: Fix typo in comment.
7481         (init_antic, fini_antic): Add explicit funtions for
7482         initializing and deinitializing ANTIC and AVAIL sets.
7483         (create_expression_by_pieces): Fix typo in comment.
7484         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
7485         (execute_pre): Eventually dump details about ANTIC_IN.
7486
7487 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7488
7489         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
7490         * gcc.c (translate_options, init_spec, store_arg, read_specs,
7491         add_to_obstack, file_at_path, find_a_file, execute,
7492         add_preprocessor_option, add_assembler_option, add_linker_option,
7493         process_command, insert_wrapper, do_option_spec, do_self_spec,
7494         spec_path, do_spec_1, is_directory, main, used_arg,
7495         getenv_spec_function): Likewise.
7496         * tlink.c (symbol_hash_lookup, file_hash_lookup,
7497         demangled_hash_lookup, symbol_push, file_push, frob_extension):
7498         Likewise.
7499
7500 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
7501
7502         * doc/rtl.texi: Updated subreg section.
7503
7504 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
7505
7506         PR c++/36523
7507         * cgraphunit.c (cgraph_process_new_functions): Don't clear
7508         node->needed and node->reachable.
7509         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
7510         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
7511         (expand_task_call): Don't call expand_task_copyfn.
7512         (expand_task_copyfn): Renamed to...
7513         (finalize_task_copyfn): ... this.
7514
7515 2008-06-19  Jan Hubicka  <jh@suse.cz>
7516
7517         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
7518         clobbering framepointer.
7519
7520 2008-06-19  Jan Hubicka  <jh@suse.cz>
7521
7522         * tree-optimize.c (execute_early_local_optimizations): Set
7523         cgraph_state only at first invocation.
7524
7525 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7526
7527         * system.h (-Wc++-compat): Activate as a warning, no an error.
7528
7529 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
7530
7531         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
7532         instead of "#" in insn asm template.
7533         (*jcc_fused_2): Ditto.
7534
7535 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
7536
7537         * config/i386/i386.h (ix86_tune_indices)
7538         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
7539         (TARGET_FUSE_CMP_AND_BRANCH): New define.
7540         * config/i386/i386.md (*jcc_fused_1): New insn pattern
7541         (*jcc_fused_2): Ditto.
7542         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
7543         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
7544         (print operand): Handle 'E' and 'e' code.
7545
7546 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
7547
7548         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
7549         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7550         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7551
7552 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
7553
7554         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
7555         node->decl.
7556         (cgraph_expand_function): Use local copy of decl.
7557         (cgraph_expand_all_functions): Remove redundant initialization of
7558         order_pos.
7559         (cgraph_optimize): Reword internal_error message.
7560
7561 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
7562
7563         * arm-protos.h (arm_return_in_memory): Remove public
7564         arm_return_in_memory() prototype.
7565         * arm.c (arm_return_in_memory): Add static prototype, add target
7566         hook macro, change definition and comments.
7567         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
7568
7569 2008-06-19  Ben Elliston  <bje@au.ibm.com>
7570
7571         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
7572         real.c: Remove references to IEEE 754R.
7573         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
7574         * doc/libgcc.texi (Decimal float library routines): Likewise.
7575
7576 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7577
7578         * targhooks.h (struct gcc_target): New member unwind_word_mode.
7579         (default_unwind_word_mode): Add prototype.
7580         * targhooks.c (default_unwind_word_mode): New function.
7581         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
7582         instead of word_mode.
7583         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
7584         (TARGET_INITIALIZER): Use it.
7585
7586         * c-common.c (handle_mode_attribute): Support "unwind_word"
7587         mode attribute.
7588         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
7589
7590         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
7591         word_mode to access SjLj_Function_Context member "data".
7592         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
7593         conversion from targetm.eh_return_filter_mode () to
7594         targetm.unwind_word_mode () if they differ.
7595
7596         * builtin-types.def (BT_UNWINDWORD): New primitive type.
7597         (BT_FN_UNWINDWORD_PTR): New function type.
7598         (BT_FN_WORD_PTR): Remove.
7599         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
7600         * except.c (expand_builtin_extend_pointer): Convert pointer to
7601         targetm.unwind_word_mode () instead of word_mode.
7602
7603         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
7604         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
7605         (spu_unwind_word_mode): New function.
7606         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
7607         (TARGET_UNWIND_WORD_MODE): Define.
7608         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
7609
7610 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7611
7612         * config/spu/spu.c (reg_align): Remove.
7613         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
7614         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
7615         (spu_split_store): Likewise.
7616
7617 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
7618
7619         * gcc/tree-vn.c: Fix typo in comment.
7620
7621 2008-06-18  Jan Hubicka  <jh@suse.cz>
7622
7623         * cgraphunit.c (cgraph_optimize): Output debug info when doing
7624         toplevel reorder too.
7625
7626 2008-06-18  Jan Hubicka  <jh@suse.cz>
7627
7628         * c-opts.c (c_common_post_options): PCH is not compatible with
7629         no-unit-at-a-time.
7630         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
7631         -fno-toplevel-reorder by default now.
7632
7633 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7634
7635         PR documentation/30739
7636         * doc/install.texi (Prerequisites): Document dependency on awk.
7637
7638 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
7639             Ian Lance Taylor  <iant@google.com>
7640
7641         PR rtl-optimization/35604
7642         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
7643         only want to change jump destinations, not eventual label comparisons.
7644
7645 2008-06-16  Jan Hubicka  <jh@suse.cz>
7646
7647         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
7648         syntax errors.
7649         (cgraph_analyze_function): Likewise.
7650
7651 2008-06-16  Jan Hubicka  <jh@suse.cz>
7652
7653         * cgraph.h (cgraph_mark_if_needed): New function.
7654         * cgraphunit.c (cgraph_mark_if_needed): New function.
7655         * c-decl.c (duplicate_decl): Use it.
7656
7657 2008-06-16  Jan Hubicka  <jh@suse.cz>
7658
7659         * cgraph.c (cgraph_add_new_function): When in expansion state, do
7660         lowering.
7661
7662 2008-06-16  Jan Hubicka  <jh@suse.cz>
7663
7664         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
7665
7666 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
7667             Kazu Hirata  <kazu@codesourcery.com>
7668             Maxim Kuvyrkov  <maxim@codesourcery.com
7669
7670         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
7671         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
7672         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
7673         EXTRA_SPEC_FUNCTIONS.
7674         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
7675         (DRIVER_SELF_SPECS): Adjust.
7676         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
7677         * config/mips/st.h, config/mips/t-st: New.
7678         * config/mips/driver-native.c, config/mips/x-native: New.
7679         * doc/invoke.texi (MIPS): Document 'native' value for -march and
7680         -mtune options.
7681
7682 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
7683
7684         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
7685         from it.
7686         (ISA_HAS_FP_CONDMOVE): New macro.
7687         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
7688         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
7689         (ISA_HAS_NMADD3_NMSUB3): New macro.
7690         * config/mips/mips.c (mips_rtx_costs): Update.
7691         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
7692         compiling for ST Loongson 2E/2F.
7693         (madd<mode>): Rename to madd4<mode>.  Update.
7694         (madd3<mode>): New pattern.
7695         (msub<mode>): Rename to msub4<mode>.  Update.
7696         (msub3<mode>): New pattern.
7697         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
7698         (nmadd3<mode>): New pattern.
7699         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
7700         (nmadd3<mode>_fastmath): New pattern.
7701         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
7702         (nmsub3<mode>): New pattern.
7703         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
7704         (nmsub3<mode>_fastmath): New pattern.
7705         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
7706
7707 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
7708
7709         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
7710         (DF_REF_INSN_INFO): New.
7711         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
7712         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
7713         with a NULL DF_REF_INSN_INFO.
7714         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
7715         DF_INSN_SET.
7716         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
7717         DF_INSN_INFO_EQ_USES): New.
7718         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
7719         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
7720         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
7721         * df-core.c: Update comment for above changes.
7722         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
7723         DF_INSN_UID_* macros.
7724         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
7725         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
7726         insn rtx.  Update all callers.
7727         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
7728         df_ref_create_structure, df_insn_refs_collect): Likewise.
7729         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
7730         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
7731         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
7732         macros to access the insn refs.
7733         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
7734         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
7735         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
7736         for accessing the refs.
7737         (try_fwprop_subst): Likewise.
7738         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
7739         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
7740         for accessing the refs.
7741         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
7742         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
7743         to look at the insn refs.
7744         (record_uses): Likewise.
7745         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
7746         function anymore.
7747         (mark_artificial_uses): Don't mark_insn for artificial refs.
7748         (mark_reg_rependencies): Likewise.
7749
7750         * doc/rtl.texi: Remove documentation of ADDRESSOF.
7751
7752 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7753
7754         * configure: Regenerate.
7755
7756 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
7757
7758         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
7759         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
7760         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
7761
7762 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
7763
7764         * config/avr/avr.c (avr_mcu_t): Add attiny167.
7765         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
7766         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise.
7767
7768 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
7769
7770         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
7771         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
7772         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
7773
7774 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
7775
7776         * tree-ssa-sccvn.c: Fix format of comments.
7777
7778 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
7779
7780         * cgraph.c: Remove unneeded forward declarations of eq_node()
7781         and hash_node().
7782
7783 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
7784
7785         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
7786         REG_RETVAL notes.
7787         (see_update_relevancy): Likewise.
7788         * fwprop.c (try_fwprop_subst): Likewise.
7789         * rtlanal.c (noop_move_p): Likewise.
7790         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
7791         notes to non-existing libcall blocks.
7792         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
7793         Remove orig_set.
7794         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
7795         (dead_libcall_p): Remove.
7796         (delete_trivially_dead_insns): Don't use it.
7797         * web.c (union_defs): Remove comment about keeping nops.
7798         * gcse.c (hash_scan_insn): Don't take libcall pointers.
7799         (compute_hash_table_work): Don't track libcall notes.
7800         (do_local_cprop): Don't take libcall pointers.  Don't update
7801         libcall notes.
7802         (adjust_libcall_notes): Deleted.
7803         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
7804         ever have existed in the first place).
7805         (replace_store_insn): Don't try to remove libcall notes.
7806         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
7807         (resolve_reg_notes): Don't call them.
7808         (resolve_simple_move): Likewise.
7809         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
7810         Don't remove REG_RETVAL notes.
7811         * emit-rtl.c (try_split): Don't update libcall notes.
7812         (emit_copy_of_insn_after): Dito.
7813         * cselib.c (cselib_current_insn_in_libcall): Remove.
7814         (cselib_process_insn): Don't set/clear it.
7815         (new_elt_loc_list): Don't record it.
7816         (cselib_init): Don't initialize it.
7817         * cselib.c (struct elt_loc_list): Remove in_libcall field.
7818         * loop-invariant.c (find_invariant_insn): Don't look for libcall
7819         notes.
7820         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
7821         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
7822         (init_deps): Don't initialize it.
7823         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
7824         * combine.c (delete_noop_moves): Don't update libcall notes.
7825         (can_combine_p): Remove now pointless #if 0 block.
7826         (try_combine): Remove another obsolete #if 0 block.
7827         (distribute_notes): Don't distribute libcall notes.
7828         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
7829         * dce.c (libcall_dead_p): Remove.
7830         (delete_unmarked_insns): Don't handle libcall blocks.
7831         (preserve_libcall_for_dce): Remove.
7832         (prescan_insns_for_dce): Don't special-case libcall block insns.
7833         * reload1 (reload): Don't handle libcall notes.
7834         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
7835         documentation.
7836
7837 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
7838
7839         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
7840         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
7841         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
7842
7843 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
7844
7845         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
7846         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
7847         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
7848
7849 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7850
7851         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
7852
7853 2008-06-16  Ira Rosen  <irar@il.ibm.com>
7854
7855         PR tree-optimization/36493
7856         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
7857         the arguments list. Use VECTYPE to create vector pointer.
7858         (vectorizable_store): Fail if accesses through a pointer to vectype
7859         do not alias the original memory reference operands.
7860         Call vect_create_data_ref_ptr without the removed argument.
7861         (vectorizable_load): Likewise.
7862         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
7863         removed argument.
7864
7865 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
7866
7867         PR target/36336
7868         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
7869         reg_equiv_constant.
7870
7871 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
7872
7873         * config/mips/loongson2ef.md: New file.
7874         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
7875         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
7876         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
7877         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
7878         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
7879         and loongson_2f.
7880         (loongson2ef.md): New include.
7881         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
7882         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
7883         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
7884         (loongson_gt_<mode>, loongson_extract_halfword)
7885         (loongson_insert_halfword_0, loongson_insert_halfword_2)
7886         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
7887         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
7888         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
7889         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
7890         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
7891         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
7892         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
7893         (vec_interleave_low<mode>): Define type attribute.
7894         * config/mips/mips.c (mips_ls2): New static variable.
7895         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
7896         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
7897         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
7898         Implement target scheduling hooks.
7899         (mips_multipass_dfa_lookahead): Update to handle tuning for
7900         Loongson 2E/2F.
7901         (mips_sched_init): Initialize data for Loongson scheduling.
7902         (mips_ls2_variable_issue): New static function.
7903         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
7904         Add sanity check.
7905         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
7906         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
7907         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
7908         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
7909         Handle ST Loongson 2E/2F cores.
7910         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
7911
7912 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7913
7914         * omp-low.c (extract_omp_for_data): Fix comment typo.
7915         * c.opt: Fix typo.
7916
7917 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7918
7919         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
7920         FIXME note about gcc/config.guess.
7921         * doc/options.texi (Option file format): Remove non-ASCII bytes.
7922         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
7923         * doc/cppopts.texi: Likewise.
7924         * doc/extend.texi: Likewise.
7925         * doc/gcc.texi: Likewise.
7926         * doc/gccint.texi: Likewise.
7927         * doc/gcov.texi: Likewise.
7928         * doc/gty.texi: Likewise.
7929         * doc/hostconfig.texi: Likewise.
7930         * doc/install.texi: Likewise.
7931         * doc/invoke.texi: Likewise.
7932         * doc/loop.texi: Likewise.
7933         * doc/makefile.texi: Likewise.
7934         * doc/md.texi: Likewise.
7935         * doc/passes.texi: Likewise.
7936         * doc/tm.texi: Likewise.
7937         * doc/tree-ssa.texi: Likewise.
7938         * doc/trouble.texi: Likewise.
7939
7940 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
7941             Nathan Sidwell  <nathan@codesourcery.com>
7942             Maxim Kuvyrkov  <maxim@codesourcery.com>
7943             Richard Sandiford  <rdsandiford@googlemail.com>
7944
7945         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
7946         * config/mips/mips-protos.h (mips_expand_vector_init): New.
7947         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
7948         builtins.
7949         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
7950         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
7951         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
7952         V8QImode cases.
7953         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
7954         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
7955         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
7956         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
7957         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
7958         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
7959         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
7960         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
7961         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
7962         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
7963         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
7964         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
7965         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
7966         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
7967         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
7968         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
7969         (mips_builtins): Add Loongson builtins.
7970         (mips_loongson_2ef_bdesc): New.
7971         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
7972         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
7973         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
7974         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
7975         New.
7976         (mips_expand_vector_init): New.
7977         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
7978         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
7979         if appropriate.
7980         * config/mips/mips.md: Add unspec numbers for Loongson
7981         builtins.  Include loongson.md.
7982         (MOVE64): Include Loongson vector modes.
7983         (SPLITF): Include Loongson vector modes.
7984         (HALFMODE): Handle Loongson vector modes.
7985         * config/mips/loongson.md: New.
7986         * config/mips/loongson.h: New.
7987         * config.gcc: Add loongson.h header for mips*-*-* targets.
7988         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
7989
7990 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
7991
7992         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
7993         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
7994         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
7995         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
7996         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
7997         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
7998         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
7999         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
8000         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
8001         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
8002         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
8003         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
8004         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
8005         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
8006         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
8007         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
8008         Remove use_fixproto=yes.
8009         (ia64*-*-hpux*): Remove comment about using fixproto.
8010         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
8011
8012 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8013
8014         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
8015         library rebuilds.
8016         * configure: Regenerate.
8017
8018 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
8019
8020         PR middle-end/36520
8021         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
8022         before evaluating it.
8023
8024 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
8025
8026         PR c/36507
8027         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
8028         nested inline functions.
8029         (start_decl, start_function): Don't invert DECL_EXTERNAL
8030         for nested inline functions.
8031
8032 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8033
8034         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
8035         splits that must be made for correctness.
8036
8037 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8038
8039         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
8040         (AVAIL_NON_MIPS16): Likewise.
8041         (mips_builtin_description): Replace target_flags with a predicate.
8042         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
8043         (dspr2_32): New availability predicates.
8044         (MIPS_BUILTIN): New macro.
8045         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
8046         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
8047         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
8048         Replace the TARGET_FLAGS parameters with AVAIL parameters.
8049         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
8050         (mips_dsp_32only_bdesc): Merge into...
8051         (mips_builtins): ...this new array.
8052         (mips_bdesc_map, mips_bdesc_arrays): Delete.
8053         (mips_init_builtins): Update after above changes.
8054         (mips_expand_builtin_1): Merge into...
8055         (mips_expand_builtin): ...here and update after above changes.
8056
8057 2008-06-12  Paul Brook  <paul@codesourcery.com>
8058
8059         * longlong.h (__arm__): Define count_leading_zeros.
8060         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
8061         (clzsi2, clzdi2): New functions.
8062         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
8063         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
8064         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
8065         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
8066         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
8067         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
8068         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
8069         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
8070         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
8071         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
8072
8073 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
8074
8075         * config/m68k/m68k.c (m68k_tune_flags): New.
8076         (override_options): Compute m68k_tune_flags.
8077         (MULL_COST, MULW_COST): Update for various variants of CFV2.
8078         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
8079
8080 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8081
8082         PR middle-end/36506
8083         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
8084
8085 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8086
8087         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
8088         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
8089
8090 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8091
8092         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
8093         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
8094
8095 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8096
8097         PR middle-end/36506
8098         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
8099         reductions.
8100
8101 2008-06-12  Richard Guenther  <rguenther@suse.de>
8102
8103         PR tree-optimization/36345
8104         * tree-flow.h (struct ptr_info_def): Align escape_mask,
8105         add memory_tag_needed flag.
8106         (may_alias_p): Declare.
8107         * tree-ssa-alias.c (may_alias_p): Export.
8108         (set_initial_properties): Use memory_tag_needed flag.
8109         (update_reference_counts): Likewise.
8110         (reset_alias_info): Reset memory_tag_needed flag.
8111         (create_name_tags): Check memory_tag_needed flag.
8112         (dump_points_to_info_for): Dump it.
8113         * tree-ssa-structalias.c (struct variable_info): Remove
8114         directly_dereferenced flag.
8115         (new_var_info): Do not initialize it.
8116         (process_constraint_1): Do not set it.
8117         (update_alias_info): Set is_dereferenced flag.
8118         (set_uids_in_ptset): Use may_alias_p.
8119         (set_used_smts): Check memory_tag_needed flag.
8120         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
8121         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
8122         memory_tag_needed flag.
8123         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
8124         from broken design.
8125
8126 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
8127
8128         * config/i386/i386.c (ix86_compute_frame_layout): Disable
8129         red zone for w64 abi.
8130         (ix86_expand_prologue): Likewise.
8131         (ix86_force_to_memory): Likewise.
8132         (ix86_free_from_memory): Likewise.
8133
8134 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
8135
8136         PR target/36425
8137         * config/rs6000/rs6000.c (rs6000_override_options): Set
8138         rs6000_isel conditionally to the absence of comand line override.
8139         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8140         Remove duplicate rs6000_isel setting.
8141         * config/rs6000/eabispe.h: Ditto.
8142
8143 2008-06-11  Richard Guenther  <rguenther@suse.de>
8144
8145         * alias.c (get_alias_set): Use the element alias-set for arrays.
8146         (record_component_aliases): For arrays and vectors do nothing.
8147         * c-common.c (strict_aliasing_warning): Handle the cases
8148         of alias set zero explicitly.
8149         * Makefile.in (dfp.o-warn): Add -Wno-error.
8150
8151 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8152
8153         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
8154         tune_32 tune_64.
8155         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
8156         tune_32 tune_64 to supported_defaults.  Allow values not
8157         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
8158         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
8159         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
8160         with_cpu_64 to generic for 64-bit-supporting configurations, not
8161         with_cpu.  Remove FIXMEs.
8162         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
8163         --with-arch-64, --with-tune-32, --with-tune-64): Document.
8164         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
8165         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
8166         arch_32 and arch_64.
8167
8168 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
8169             Olivier Hainque  <hainque@adacore.com>
8170
8171         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
8172         Use DECL_SIZE_UNIT to retrieve the size of the field.
8173
8174 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8175
8176         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
8177         with function calls after declarations.  Lay out
8178         neon_float_type_node before further use.
8179
8180 2008-06-11  Richard Guenther  <rguenther@suse.de>
8181
8182         * tree-flow.h (may_point_to_global_var): Declare.
8183         * tree-ssa-alias.c (may_point_to_global_var): New function.
8184         * tree-ssa-sink.c (is_hidden_global_store): Use it.
8185
8186 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
8187
8188         * configure.ac: Teach that fido supports .debug_line.
8189         * configure: Regenerate.
8190
8191 2008-06-10  Tom Tromey  <tromey@redhat.com>
8192
8193         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
8194         debug hook.
8195
8196 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
8197
8198         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
8199         (encode_decimal64, decode_decimal64, encode_decimal128,
8200         decode_decimal128): Reverse order of 32-bit parts of value if host
8201         and target endianness differ.
8202
8203 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
8204
8205         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
8206         Avoid division by 0.
8207         (tree_mod_pow2_value_transform): Likewise.
8208         (tree_ic_transform): Likewise.
8209         (tree_stringops_transform): Likewise.
8210         (tree_mod_subtract_transform): Likewise.
8211         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
8212         (copy_edges_for_bb): Likewise.
8213         (initialize_cfun): Likewise.
8214
8215 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
8216
8217         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
8218         nonmemory_operand. Add "N" operand constraint.
8219         (*btsi): Ditto.
8220         (*jcc_btdi_mask_rex64): New instruction and split pattern.
8221         (*jcc_btsi_mask): Ditto.
8222         (*jcc_btsi_mask_1): Ditto.
8223
8224 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
8225
8226         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
8227         TYPE_CANONICAL for copied element type.
8228
8229 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
8230
8231         PR target/36473
8232         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
8233         Add m_CORE2 and m_GENERIC.
8234         * config/i386/predicates.md (bt_comparison_operator): New predicate.
8235         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
8236         (*btsi): Ditto.
8237         (*jcc_btdi_rex64): New instruction and split pattern.
8238         (*jcc_btsi): Ditto.
8239         (*jcc_btsi_1): Ditto.
8240         (*btsq): Fix Intel asm dialect operand order.
8241         (*btrq): Ditto.
8242         (*btcq): Ditto.
8243
8244 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
8245
8246         PR middle-end/36447
8247         * simplify-rtx.c (simplify_subreg): Add check for shift count
8248         greater than size.
8249
8250 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
8251
8252         * doc/md.texi: Synchronize with later constraints.md change.
8253         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
8254         with a C implementation.
8255         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
8256         MFLO handling.
8257         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
8258         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
8259         when moving to and from MD_REGNUM.
8260         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
8261         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
8262         Handle byte and halfword moves.
8263         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
8264         separately.
8265         * config/mips/constraints.md (h): Turn into NO_REGS.
8266         (l, x): Update documentation.
8267         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
8268         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
8269         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
8270         (HILO): New mode iterator.
8271         (MOVE128): Add TI.
8272         (any_div): New code iterator.
8273         (u): Extend code attribute to div and udiv.
8274         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
8275         d_operand in the splitters.  Remove redundant CONST_INT checks.
8276         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
8277         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
8278         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
8279         accordingly, using normal moves instead of unspecs to move LO into
8280         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
8281         (<u>mulsidi3): Handle expansion in C code.
8282         (<u>mulsidi3_32bit_internal): Rename to...
8283         (<u>mulsidi3_32bit): ...this.
8284         (<u>mulsidi3_32bit_r4000): Fix insn separator.
8285         (*<u>mulsidi3_64bit): Rename to...
8286         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
8287         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
8288         to set LO and HI to the multiplication result.  Use a normal move
8289         for MFLO and an unspec for MFHI.
8290         (*<u>mulsidi3_64bit_parts): Replace with...
8291         (<u>mulsidi3_64bit_hilo): ...this new instruction.
8292         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
8293         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
8294         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
8295         instead of HI.  Split the instruction into a separate multiplication
8296         and MFHI if !TARGET_FIX_R4000.
8297         (<su>muldi3_highpart): Likewise.
8298         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
8299         and the "=h" clobber.
8300         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
8301         (<u>mulditi3): New expander.
8302         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
8303         (madsi): Remove "=h" clobber.
8304         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
8305         Force the modulus result to be a GPR and split the instruction into
8306         a division followed by an MFHI after reload.
8307         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
8308         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
8309         the MIPS16 HIGH define_split.
8310         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
8311         of acc<->gpr moves to "multi".
8312         (*movdi_64bit): Replace the single "x" alternative with
8313         alternatives for moving into and out of "a".
8314         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
8315         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
8316         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
8317         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
8318         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
8319         (movti): New expander.
8320         (*movti, *movti_mips16): New insns.
8321         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
8322         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
8323         (mthi<GPR:mode>_<HILO:mode>): Likewise.
8324         * config/mips/predicates.md (fpr_operand): Delete.
8325         (d_operand): New predicate.
8326
8327 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
8328
8329         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
8330         failure on some Bourne shells.
8331         (x86_64-*-*): Ditto.
8332
8333 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
8334
8335         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
8336
8337 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8338
8339         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
8340         (sparc-sun-solaris2*): Likewise.
8341
8342 2008-06-09  Arnaud Charlet  <charlet@adacore.com
8343
8344         * doc/install.texi: Update requirements to build the Ada compiler.
8345
8346 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8347
8348         * df-scan.c (struct df_scan_problem_data): Remove the
8349         mw_link_pool alloc pool.
8350         (df_scan_free_internal): Don't free it.
8351         (df_scan_alloc): Don't allocate it.
8352         * df.h (struct df_link): Update comment.
8353
8354 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
8355
8356         * except.h: Correct checks for when SJLJ exceptions must be used.
8357
8358 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8359
8360         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
8361         default.
8362
8363 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
8364
8365         PR tree-optimization/36218
8366         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
8367         configure for the build system.
8368         (BUILD_LDFLAGS): Define.
8369         * configure: Regenerate.
8370         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
8371
8372 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
8373
8374         PR target/36424
8375         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
8376         * config/avr/avr.c (avr_hard_regno_rename_ok): New function.
8377         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype.
8378
8379 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
8380
8381         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
8382
8383 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
8384
8385         * config.gcc (Obsolete configurations): Remove list of
8386         configurations.
8387         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
8388         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
8389         targets matched by those patterns.
8390         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
8391         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
8392         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
8393         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
8394         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8395         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
8396         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
8397         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
8398         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
8399         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
8400         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
8401         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
8402         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
8403         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
8404         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
8405         Make code for Solaris 7 and greater unconditional for Solaris.
8406         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
8407         Remove --with-* handling.
8408         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
8409         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
8410         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
8411         LINK_OS_WINDISS_SPEC): Remove.
8412         * config/rs6000/sysv4.opt (mwindiss): Remove.
8413         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
8414         * configure: Regenerate.
8415         * doc/cpp.texi: Don't mention BeOS.
8416         * doc/extend.texi (interrupt): Don't mention MS1.
8417         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
8418         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
8419         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
8420         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
8421         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
8422         Remove.
8423         * doc/invoke.texi (MT Options): Remove.
8424         (-mwindiss): Remove.
8425         (CRIS Options): Remove cris-axis-aout references.
8426         (HPPA Options): Don't mention hppa1.1-*-pro.
8427         * doc/md.texi: (MorphoTech family): Remove.
8428         * libgcc2.c: Don't handle UWIN.
8429         * config/alpha/t-unicosmk: Remove.
8430         * config/alpha/unicosmk.h: Remove.
8431         * config/arm/kaos-arm.h: Remove.
8432         * config/arm/kaos-strongarm.h: Remove.
8433         * config/arm/strongarm-coff.h: Remove.
8434         * config/arm/strongarm-elf.h: Remove.
8435         * config/arm/strongarm-pe.h: Remove.
8436         * config/arm/t-strongarm-pe: Remove.
8437         * config/arm/t-xscale-coff: Remove.
8438         * config/arm/t-xscale-elf: Remove.
8439         * config/arm/xscale-coff.h: Remove.
8440         * config/arm/xscale-elf.h: Remove.
8441         * config/chorus.h: Remove.
8442         * config/cris/aout.h: Remove.
8443         * config/cris/aout.opt: Remove.
8444         * config/cris/t-aout: Remove.
8445         * config/i386/beos-elf.h: Remove.
8446         * config/i386/kaos-i386.h: Remove.
8447         * config/i386/ptx4-i.h: Remove.
8448         * config/i386/sco5.h: Remove.
8449         * config/i386/sco5.opt: Remove.
8450         * config/i386/sysv4-cpp.h: Remove.
8451         * config/i386/sysv5.h: Remove.
8452         * config/i386/t-beos: Remove.
8453         * config/i386/t-sco5: Remove.
8454         * config/i386/t-uwin: Remove.
8455         * config/i386/uwin.asm: Remove.
8456         * config/i386/uwin.h: Remove.
8457         * config/kaos.h: Remove.
8458         * config/mips/windiss.h: Remove.
8459         * config/mt: Remove directory.
8460         * config/pa/pa-osf.h: Remove.
8461         * config/pa/pa-pro-end.h: Remove.
8462         * config/pa/t-pro: Remove.
8463         * config/ptx4.h: Remove.
8464         * config/rs6000/beos.h: Remove.
8465         * config/rs6000/kaos-ppc.h: Remove.
8466         * config/rs6000/t-beos: Remove.
8467         * config/rs6000/windiss.h: Remove.
8468         * config/sh/kaos-sh.h: Remove.
8469         * config/sol2-6.h: Remove.
8470         * config/sparc/sol26-sld.h: Remove.
8471         * config/sparc/sysv4-only.h: Remove.
8472         * config/vax/bsd.h: Remove.
8473         * config/vax/t-memfuncs: Remove.
8474         * config/vax/ultrix.h: Remove.
8475         * config/vax/vaxv.h: Remove.
8476         * config/windiss.h: Remove.
8477
8478 2008-06-06  Uros Bizjak <ubizjak@gmail.com>
8479
8480         PR rtl-optimization/36438
8481         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
8482         for vector shifts with constant scalar shift operands.
8483
8484 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
8485
8486         * doc/invoke.texi: Document -march=xlr.
8487         * config/mips/xlr.md: New file.
8488         * config/mips/mips.md: Include it.
8489         (cpu): Add "xlr".
8490         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
8491         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
8492         (mips_rtx_cost_data): Likewise.
8493
8494 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
8495
8496         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
8497         PRE_INC and PRE_DEC cases.
8498
8499 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
8500
8501         PR rtl-optimization/36419
8502         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
8503         the emitting jump insn.
8504
8505         PR target/36362
8506         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
8507         is not bool, boolify the whole *expr_p and convert to the desired type.
8508
8509 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
8510
8511         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
8512         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
8513         Add omp_private_outer_ref hook, add another argument to
8514         omp_clause_default_ctor hook.
8515         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
8516         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
8517         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
8518         hook_tree_tree_tree_tree_null.
8519         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
8520         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
8521         * hooks.c (hook_tree_tree_tree_tree_null): New function.
8522         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
8523         * tree.def (OMP_TASK): New tree code.
8524         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
8525         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
8526         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
8527         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
8528         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
8529         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
8530         OMP_CLAUSE_COLLAPSE_EXPR): Define.
8531         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
8532         (OMP_DIRECTIVE_P): Add OMP_TASK.
8533         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
8534         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
8535         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
8536         and OMP_CLAUSE_UNTIED entries.
8537         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
8538         num_ops to 2.
8539         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8540         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
8541         * tree-pretty-print.c (dump_omp_clause): Handle
8542         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
8543         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
8544         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
8545         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
8546         warning about unsigned iterators.  Change decl/init/cond/incr
8547         arguments to TREE_VECs, check arguments for all collapsed loops.
8548         (c_finish_omp_taskwait): New function.
8549         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
8550         ws_clauses.
8551         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
8552         default_function_array_conversion on init.  Add par_clauses argument.
8553         If decl is present in parallel's lastprivate clause, change it to
8554         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
8555         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
8556         collapse count in clauses.
8557         (c_parser_omp_for, c_parser_omp_parallel): Adjust
8558         c_parser_omp_for_loop callers.
8559         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
8560         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
8561         (c_parser_omp_clause_name): Handle collapse and untied clauses.
8562         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
8563         functions.
8564         (c_parser_omp_clause_schedule): Handle schedule(auto).
8565         Include correct location in the error message.
8566         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
8567         and PRAGMA_OMP_CLAUSE_UNTIED.
8568         (OMP_TASK_CLAUSE_MASK): Define.
8569         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
8570         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
8571         * tree-nested.c (convert_nonlocal_omp_clauses,
8572         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
8573         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
8574         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8575         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
8576         OMP_CLAUSE_DECL.
8577         (conver_nonlocal_reference, convert_local_reference,
8578         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
8579         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
8580         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
8581         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
8582         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
8583         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
8584         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
8585         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
8586         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
8587         OMP_CLAUSE_UNTIED.
8588         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
8589         * c-common.h (c_finish_omp_taskwait): New prototype.
8590         * gimple-low.c (lower_stmt): Handle OMP_TASK.
8591         * tree-parloops.c (create_parallel_loop): Create 1 entry
8592         vectors for OMP_FOR_{INIT,COND,INCR}.
8593         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
8594         (make_edges): Handle OMP_TASK.
8595         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
8596         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
8597         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
8598         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
8599         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
8600         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
8601         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
8602         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
8603         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
8604         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
8605         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
8606         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
8607         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
8608         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
8609         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
8610         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
8611         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
8612         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
8613         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
8614         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
8615         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
8616         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
8617         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
8618         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
8619         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
8620         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
8621         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
8622         original iterator is present in lastprivate clause or if
8623         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
8624         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
8625         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
8626         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
8627         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
8628         if it is set, lookup var in outer contexts too.  Handle
8629         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
8630         to be implicitly determined firstprivate for task regions.
8631         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
8632         if it is set, lookup var in outer contexts too.  Set
8633         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
8634         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
8635         OMP_CLAUSE_UNTIED.  Take region_type as last argument
8636         instead of in_parallel and in_combined_parallel.
8637         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8638         Adjust callers.
8639         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
8640         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
8641         (new_omp_context): Set default_kind to
8642         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
8643         (omp_region_type): New enum.
8644         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
8645         fields, add region_type.
8646         (new_omp_context): Take region_type as argument instead of is_parallel
8647         and is_combined_parallel.
8648         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
8649         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
8650         ctx->is_combined_parallel checks.
8651         (gimplify_omp_task): New function.
8652         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
8653         OMP_CLAUSE_UNTIED.
8654         * omp-low.c (extract_omp_for_data): Use schedule(static)
8655         for schedule(auto).  Handle pointer and unsigned iterators.
8656         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
8657         Add loops argument.  Extract data for collapsed OMP_FOR loops.
8658         (expand_parallel_call): Assert sched_kind isn't auto,
8659         map runtime schedule to index 3.
8660         (struct omp_for_data_loop): New type.
8661         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
8662         Add loop, loops, collapse and iter_type fields.
8663         (workshare_safe_to_combine_p): Disallow combined for if
8664         iter_type is unsigned long long.  Don't combine collapse > 1 loops
8665         unless all bounds and steps are constant.  Adjust extract_omp_for_data
8666         caller.
8667         (expand_omp_for_generic): Handle pointer, unsigned and long long
8668         iterators.  Handle collapsed OMP_FOR loops.  Adjust
8669         for struct omp_for_data changes.  If libgomp function doesn't return
8670         boolean_type_node, add comparison of the return value with 0.
8671         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
8672         pointer, unsigned and long long iterators.  Adjust for struct
8673         omp_for_data changes.
8674         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
8675         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
8676         unsigned long long.  Allocate loops array, pass it to
8677         extract_omp_for_data.  For collapse > 1 loops use always
8678         expand_omp_for_generic.
8679         (omp_context): Add sfield_map and srecord_type fields.
8680         (is_task_ctx, lookup_sfield): New functions.
8681         (use_pointer_for_field): Use is_task_ctx helper.  Change first
8682         argument's type from const_tree to tree.  Clarify comment.
8683         In OMP_TASK disallow copy-in/out sharing.
8684         (build_sender_ref): Call lookup_sfield instead of lookup_field.
8685         (install_var_field): Add mask argument.  Populate both record_type
8686         and srecord_type if needed.
8687         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
8688         in srecord_type.
8689         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
8690         and DECL_FIELD_OFFSET.
8691         (scan_sharing_clauses): Adjust install_var_field callers.  For
8692         firstprivate clauses on explicit tasks allocate the var by value in
8693         record_type unconditionally, rather than by reference.
8694         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
8695         Use is_taskreg_ctx instead of is_parallel_ctx.
8696         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8697         (create_omp_child_function_name): Add task_copy argument, use
8698         *_omp_cpyfn* names if it is true.
8699         (create_omp_child_function): Add task_copy argument, if true create
8700         *_omp_cpyfn* helper function.
8701         (scan_omp_parallel): Adjust create_omp_child_function callers.
8702         Rename parallel_nesting_level to taskreg_nesting_level.
8703         (scan_omp_task): New function.
8704         (lower_rec_input_clauses): Don't run constructors for firstprivate
8705         explicit task vars which are initialized by *_omp_cpyfn*.
8706         Pass outer var ref to omp_clause_default_ctor hook if
8707         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
8708         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
8709         OMP_CLAUSE_REDUCTION_INIT.
8710         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
8711         avoid duplicate setting of fields.  Handle
8712         OMP_CLAUSE_PRIVATE_OUTER_REF.
8713         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
8714         copy-out if TREE_READONLY, only copy-in.
8715         (expand_task_copyfn): New function.
8716         (expand_task_call): New function.
8717         (struct omp_taskcopy_context): New type.
8718         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
8719         New functions.
8720         (lower_omp_parallel): Rename to...
8721         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
8722         Call create_task_copyfn if srecord_type is needed.  Adjust
8723         sender_decl type.
8724         (task_shared_vars): New variable.
8725         (check_omp_nesting_restrictions): Warn if work-sharing,
8726         barrier, master or ordered region is closely nested inside OMP_TASK.
8727         Add warnings for barrier if closely nested inside of work-sharing,
8728         ordered, or master region.
8729         (scan_omp_1): Call check_omp_nesting_restrictions even for
8730         GOMP_barrier calls.  Rename parallel_nesting_level to
8731         taskreg_nesting_level.  Handle OMP_TASK.
8732         (lower_lastprivate_clauses): Even if some lastprivate is found on a
8733         work-sharing construct, continue looking for them on parent parallel
8734         construct.
8735         (lower_omp_for_lastprivate): Add lastprivate clauses
8736         to the beginning of dlist rather than end.  Adjust for struct
8737         omp_for_data changes.
8738         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
8739         not after it.  Handle collapsed OMP_FOR loops, adjust for
8740         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
8741         (get_ws_args_for): Adjust extract_omp_for_data caller.
8742         (scan_omp_for): Handle collapsed OMP_FOR
8743         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
8744         (lower_omp_single_simple): If libgomp function doesn't return
8745         boolean_type_node, add comparison of the return value with 0.
8746         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
8747         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
8748         (parallel_nesting_level): Rename to...
8749         (taskreg_nesting_level): ... this.
8750         (is_taskreg_ctx): New function.
8751         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
8752         of is_parallel_ctx.
8753         (execute_lower_omp): Rename parallel_nesting_level to
8754         taskreg_nesting_level.
8755         (expand_omp_parallel): Rename to...
8756         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
8757         Call omp_task_call for OMP_TASK regions.
8758         (expand_omp): Adjust caller, handle OMP_TASK.
8759         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
8760
8761         * bitmap.c (bitmap_default_obstack_depth): New variable.
8762         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
8763         if argument is NULL and bitmap_default_obstack is already initialized.
8764         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
8765         at the end.
8766         * matrix-reorg.c (matrix_reorg): Likewise.
8767
8768 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
8769
8770         * config/i386/i386.md (*indirect_jump): Macroize using P
8771         mode iterator.  Remove !TARGET_64BIT from insn constraints.
8772         (*tablejump_1): Ditto.
8773         (*indirect_jump_rex64): Remove insn pattern.
8774         (*tablejump_1_rex64): Ditto.
8775         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
8776         and eh_return_si insn patterns.
8777
8778 2008-06-06  Richard Guenther  <rguenther@suse.de>
8779
8780         * tree-ssa-structalias.c (merge_smts_into): Remove.
8781         (find_what_p_points_to): Do not bother to compute the
8782         points-to set for pt_anything pointers.
8783         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
8784         for pt_anything pointers is ok.
8785
8786 2008-06-06  Jan Hubicka  <jh@suse.cz>
8787
8788         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
8789
8790 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8791
8792         * cgraph.c: Fix typos in comments.
8793         (cgraph_availability_names): Fix string typo.
8794         * fold-const.c: Fix typos in comments.
8795         (fold_binary): Fix typo in warning.
8796         * genautomata.c: Fix typos in comments.
8797         (check_presence_pattern_sets): Fix typo in local variable.
8798         (output_description): Fix typo in output.
8799         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
8800         * hwint.h: Likewise.
8801         * matrix-reorg.c (check_allocation_function): Likewise.
8802         * omega.c (smooth_weird_equations): Likewise.
8803         * auto-inc-dec.c: Fix typos in comments.
8804         * bb-reorder.c: Likewise.
8805         * builtins.c: Likewise.
8806         * c-common.c: Likewise.
8807         * c-cppbuiltin.c: Likewise.
8808         * c-parser.c: Likewise.
8809         * c-pretty-print.c: Likewise.
8810         * cfgcleanup.c: Likewise.
8811         * cfgexpand.c: Likewise.
8812         * cfghooks.c: Likewise.
8813         * cfglayout.c: Likewise.
8814         * cfgloopmanip.c: Likewise.
8815         * cgraphunit.c: Likewise.
8816         * coverage.c: Likewise.
8817         * dbxout.c: Likewise.
8818         * df-byte-scan.c: Likewise.
8819         * df-core.c: Likewise.
8820         * df-problems.c: Likewise.
8821         * df-scan.c: Likewise.
8822         * dfp.c: Likewise.
8823         * dominance.c: Likewise.
8824         * domwalk.c: Likewise.
8825         * dse.c: Likewise.
8826         * dwarf2out.c: Likewise.
8827         * emit-rtl.c: Likewise.
8828         * et-forest.c: Likewise.
8829         * function.c: Likewise.
8830         * function.h: Likewise.
8831         * gcc.c: Likewise.
8832         * gcov-io.c: Likewise.
8833         * gcov.c: Likewise.
8834         * gcse.c: Likewise.
8835         * genattrtab.c: Likewise.
8836         * ggc-page.c: Likewise.
8837         * gimplify.c: Likewise.
8838         * gthr-lynx.h: Likewise.
8839         * haifa-sched.c: Likewise.
8840         * ipa-cp.c: Likewise.
8841         * ipa-inline.c: Likewise.
8842         * ipa-prop.h: Likewise.
8843         * ipa-pure-const.c: Likewise.
8844         * ipa-struct-reorg.c: Likewise.
8845         * ipa-struct-reorg.h: Likewise.
8846         * ipa-type-escape.c: Likewise.
8847         * ipa.c: Likewise.
8848         * loop-doloop.c: Likewise.
8849         * mips-tfile.c: Likewise.
8850         * mkmap-flat.awk: Likewise.
8851         * mkmap-symver.awk: Likewise.
8852         * modulo-sched.c: Likewise.
8853         * omp-low.c: Likewise.
8854         * optabs.c: Likewise.
8855         * optabs.h: Likewise.
8856         * opts.c: Likewise.
8857         * passes.c: Likewise.
8858         * postreload-gcse.c: Likewise.
8859         * postreload.c: Likewise.
8860         * predict.c: Likewise.
8861         * pretty-print.h: Likewise.
8862         * profile.c: Likewise.
8863         * protoize.c: Likewise.
8864         * ra-conflict.c: Likewise.
8865         * real.c: Likewise.
8866         * recog.c: Likewise.
8867         * regclass.c: Likewise.
8868         * regs.h: Likewise.
8869         * reload.c: Likewise.
8870         * rtl-error.c: Likewise.
8871         * rtlanal.c: Likewise.
8872         * scan.h: Likewise.
8873         * sched-rgn.c: Likewise.
8874         * see.c: Likewise.
8875         * stmt.c: Likewise.
8876         * target.h: Likewise.
8877         * tree-dfa.c: Likewise.
8878         * tree-eh.c: Likewise.
8879         * tree-flow-inline.h: Likewise.
8880         * tree-inline.c: Likewise.
8881         * tree-into-ssa.c: Likewise.
8882         * tree-loop-distribution.c: Likewise.
8883         * tree-nested.c: Likewise.
8884         * tree-parloops.c: Likewise.
8885         * tree-pass.h: Likewise.
8886         * tree-pretty-print.c: Likewise.
8887         * tree-profile.c: Likewise.
8888         * tree-scalar-evolution.c: Likewise.
8889         * tree-sra.c: Likewise.
8890         * tree-ssa-alias-warnings.c: Likewise.
8891         * tree-ssa-ccp.c: Likewise.
8892         * tree-ssa-coalesce.c: Likewise.
8893         * tree-ssa-dom.c: Likewise.
8894         * tree-ssa-dse.c: Likewise.
8895         * tree-ssa-forwprop.c: Likewise.
8896         * tree-ssa-live.c: Likewise.
8897         * tree-ssa-live.h: Likewise.
8898         * tree-ssa-loop-im.c: Likewise.
8899         * tree-ssa-loop-ivopts.c: Likewise.
8900         * tree-ssa-loop-niter.c: Likewise.
8901         * tree-ssa-loop-prefetch.c: Likewise.
8902         * tree-ssa-phiopt.c: Likewise.
8903         * tree-ssa-phiprop.c: Likewise.
8904         * tree-ssa-sccvn.c: Likewise.
8905         * tree-ssa-ter.c: Likewise.
8906         * tree-ssa-threadupdate.c: Likewise.
8907         * tree-ssa.c: Likewise.
8908         * tree-vect-analyze.c: Likewise.
8909         * tree-vect-transform.c: Likewise.
8910         * tree-vectorizer.c: Likewise.
8911         * tree-vn.c: Likewise.
8912         * tree-vrp.c: Likewise.
8913         * tree.c: Likewise.
8914         * tree.def: Likewise.
8915         * tree.h: Likewise.
8916         * unwind-dw2-fde.c: Likewise.
8917         * unwind.inc: Likewise.
8918         * value-prof.c: Likewise.
8919         * vmsdbgout.c: Likewise.
8920
8921 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
8922
8923         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
8924         always place FP constants in the TOC for TARGET_POWERPC64.
8925         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
8926
8927 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
8928
8929         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
8930         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
8931         enable for TARGET_E500_DOUBLE.
8932         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
8933         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
8934         floating-point modes like integer modes for E500 double.
8935         (rs6000_legitimate_offset_address_p): Likewise.
8936         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
8937         addressing for DDmode for E500 double.
8938         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
8939         modes as using 64-bits of registers for E500 double.
8940         (spe_build_register_parallel): Do not handle DDmode or TDmode.
8941         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
8942         specially for E500 double.
8943         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
8944         TDmode for E500 double.
8945         (rs6000_gimplify_va_arg): Only handle SDmode in registers
8946         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
8947         (rs6000_split_multireg_move): Do not handle TDmode specially for
8948         E500 double.
8949         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
8950         using 64-bit registers for E500 double.
8951         (emit_frame_save): Do not handle DDmode specially for E500 double.
8952         (gen_frame_mem_offset): Likewise.
8953         (rs6000_function_value): Do not call spe_build_register_parallel
8954         for DDmode or TDmode.
8955         (rs6000_libcall_value): Likewise.
8956         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
8957         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
8958         for E500 double.
8959
8960 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
8961
8962         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
8963         in comments.
8964
8965 2008-06-04  Junjie Gu <jgu@tensilica.com>
8966
8967         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
8968         comparison for frame pointers.
8969
8970 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
8971
8972         PR target/27386
8973         * config/avr/avr.h (PUSH_ROUNDING): Remove.
8974
8975 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
8976
8977         PR target/30243
8978         * builtins.c (expand_builtin_signbit): Don't take lowpart when
8979         register is already smaller or equal to required mode.
8980
8981 2008-06-04  Xinliang David Li  <davidxl@google.com>
8982
8983         * tree-call-cdce.c: New file.
8984         (cond_dead_built_in_calls): New static variable.
8985         (input_domain): New struct.
8986         (check_pow): New function.
8987         (check_builtin_call): Ditto.
8988         (check_target_format): Ditto.
8989         (is_call_dce_candidate): Ditto.
8990         (gen_one_condition): Ditto.
8991         (gen_conditions_for_domain): Ditto.
8992         (get_domain): Ditto.
8993         (gen_conditions_for_pow_cst_base): Ditto.
8994         (gen_conditions_for_pow_int_base): Ditto.
8995         (gen_conditions_for_pow): Ditto.
8996         (get_no_error_domain): Ditto.
8997         (gen_shrink_wrap_conditions): Ditto.
8998         (shrink_wrap_one_built_in_call): Ditto.
8999         (shink_wrap_conditional_dead_built_in_calls): Ditto.
9000         (tree_call_cdce): Ditto.
9001         (gate_call_cdce): Ditto.
9002         (pass_call_cdce): New gimple pass.
9003         * passes.c: (init_optimization_passes): New pass.
9004         * tree-pass.h: New pass declaration.
9005         * opts.c (decode_options): New flag setting.
9006         * common.opt: Add -ftree-builtin-call-dce flag.
9007         * Makefile.in: Add new source file.
9008         * tempvar.def: New tv_id.
9009         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
9010
9011 2008-06-04  Richard Guenther  <rguenther@suse.de>
9012
9013         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
9014         (is_call_clobbered): Always check var_ann->call_clobbered.
9015         (mark_call_clobbered): Always set var_ann->call_clobbered.
9016         (clear_call_clobbered): Always clear var_ann->call_clobbered.
9017         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
9018         (reset_alias_info): Clear call clobbering info on MTAGs and
9019         globals as well.
9020         (set_pt_anything): Set pt_global_mem.
9021         (create_tag_raw): Adjust comment.
9022         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
9023
9024 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
9025             Maxim Kuvyrkov  <maxim@codesourcery.com>
9026
9027         * config/m68k/m68k.opt (mxgot): New option.
9028         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
9029         (m68k_output_addr_const_extra): New.
9030         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
9031         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
9032         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
9033         * doc/invoke.texi (M680x0 Options): Document -mxgot.
9034
9035 2008-06-04  Richard Guenther  <rguenther@suse.de>
9036
9037         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
9038         negative or non-representable offsets.
9039
9040 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
9041
9042         * config/i386/i386.c (ix86_gen_leave): New.
9043         (ix86_gen_pop1): Likewise.
9044         (ix86_gen_add3): Likewise.
9045         (ix86_gen_sub3): Likewise.
9046         (ix86_gen_sub3_carry): Likewise.
9047         (ix86_gen_one_cmpl2): Likewise.
9048         (ix86_gen_monitor): Likewise.
9049         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
9050         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
9051         ix86_gen_one_cmpl2 and ix86_gen_monitor.
9052         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
9053         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
9054         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
9055         (ix86_expand_epilogue): Updated.
9056         (print_operand): Handle integer register operand for 'z'.
9057         (ix86_expand_strlensi_unroll_1): Likewise.
9058         (ix86_expand_strlen): Likewise.
9059         (ix86_expand_builtin): Likewise.
9060         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
9061         mov{q}/mov{l} and add{q}/add{l}.
9062
9063 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9064
9065         * config/i386/i386.md (P): New mode iterator.
9066         (SFmode push_operand splitter): Macroize DImode and SImode pushes
9067         using P mode iterator.
9068         (DFmode push_operand splitter): Ditto.
9069         (XFmode push_operand splitter): Ditto.
9070         (DFmode float_extend SFmode push_operand splitter): Ditto.
9071         (XFmode float_extend SFmode push_operand splitter): Do not generate
9072         SImode pushes for 64bit target.  Macroize Dimode and SImode
9073         pushes using P mode iterator.
9074         (XFmode float_extend DFmode push_operand splitter): Ditto.
9075
9076 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9077
9078         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
9079         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
9080         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
9081         return type to int.
9082         (ix86_call_abi_override): Remove check for call_used_regs.
9083
9084 2008-06-03  Richard Guenther  <rguenther@suse.de>
9085
9086         * tree-ssa-structalias.c (find_func_aliases): Add constraints
9087         for the lhs of calls if the return type contains pointers.
9088
9089 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9090
9091         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
9092         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
9093         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
9094         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
9095         of cfun and DEFAULT_ABI to deceide abi mode.
9096         (DEFAULT_ABI): New.
9097         (REG_PARM_STACK_SPACE): Removed.
9098         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
9099         (STACK_BOUNDARY): Use default target to deceide stack boundary.
9100         * config/i386/i386-protos.h (ix86_cfun_abi): New.
9101         (ix86_function_abi): Likewise.
9102         (ix86_function_type_abi): Likewise.
9103         (ix86_call_abi_override): Likewise.
9104         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
9105         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
9106         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
9107         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
9108         specific defines.
9109         (X86_64_REGPARM_MAX): New.
9110         (X86_64_SSE_REGPARM_MAX): New.
9111         (X64_REGPARM_MAX): New.
9112         (X64_SSE_REGPARM_MAX): New.
9113         (X86_32_REGPARM_MAX): New.
9114         (X86_32_SSE_REGPARM_MAX): New.
9115         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
9116         (ix86_function_regparm): Handle user calling abi.
9117         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
9118         by DEFAULT_ABI versus SYSV_ABI check.
9119         (ix86_reg_parm_stack_space): New.
9120         (ix86_function_type_abi): New.
9121         (ix86_call_abi_override): New.
9122         (ix86_function_abi): New.
9123         (ix86_cfun_abi): New.
9124         (init_cumulative_args): Call abi specific initialization.
9125         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
9126         (function_arg_64): Extend SSE_REGPARM_MAX check.
9127         (function_arg (): Remove TARGET_64BIT_MS_ABI.
9128         (ix86_pass_by_reference): Likewise.
9129         (ix86_function_value_regno_p): Likewise.
9130         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
9131         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
9132         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
9133         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
9134         (setup_incoming_varargs_64): Adjust regparm for call abi.
9135         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
9136         (ix86_va_start): Likewise.
9137         (ix86_gimplify_va_arg): Likewise.
9138         (ix86_expand_prologue): Likewise.
9139         (output_pic_addr_const): Likewise.
9140         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
9141         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
9142         (x86_output_mi_thunk): Likewise.
9143         (x86_function_profiler): Likewise.
9144         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
9145         (SYSV_ABI, MS_ABI): New constants.
9146         (DEFAULT_ABI): New.
9147         (init_regs): Add prototype of function in regclass.c file.
9148         (OVERRIDE_ABI_FORMAT): New.
9149         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
9150         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
9151         (OUTGOING_REG_PARM_STACK_SPACE): New.
9152         (ix86_reg_parm_stack_space): New prototype.
9153         (CUMULATIVE_ARGS): Add call_abi member.
9154         (machine_function): Add call_abi member.
9155         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
9156         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
9157
9158 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>
9159
9160         PR target/34879
9161         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
9162         (avr_builtin_setjmp_frame_value): New function.
9163         * config/avr/avr.md (nonlocal_goto_receiver): Define.
9164         (nonlocal_goto): Define.
9165
9166 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
9167
9168         * config/mips/mips.c (mips_emit_loadgp): Return early if
9169         there is nothing do to, otherwise emit a blockage if
9170         !TARGET_EXPLICIT_RELOCS || crtl->profile.
9171         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
9172
9173 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9174
9175         * configure.ac: Drop unneeded backslash ending up in config.in.
9176         * acinclude.m4: Likewise.
9177         * config.in: Regenerate.
9178
9179 2008-05-26  Jan Hubicka  <jh@suse.cz>
9180
9181         * predict.c (maybe_hot_frequency_p): Break out of...
9182         (maybe_hot_bb_p): ... here.
9183         (maybe_hot_edge_p): New.
9184         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
9185         * basic-block.h (maybe_hot_edge_p): Declare.
9186
9187 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
9188
9189         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
9190         (*cmpfp_<mode>_cc): Ditto.
9191         (*fp_jcc_8<mode>_387): Ditto.
9192         (*fop_<MODEF:mode>_2_i387): Ditto.
9193         (*fop_<MODEF:mode>_3_i387): Ditto.
9194         (*fop_xf_2_i387): Ditto.
9195         (*fop_xf_3_i387): Ditto.
9196
9197 2008-06-02  Tomas Bily  <tbily@suse.cz>
9198
9199         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
9200
9201 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9202
9203         * config/mips/mips.c (mips_valid_offset_p): New function.
9204         (mips_valid_lo_sum_p): Likewise.
9205         (mips_classify_address): Use them.
9206         (mips_force_address): New function.
9207         (mips_legitimize_address): Use it.
9208         * config/mips/mips.md (MOVE128): New mode iterator.
9209         (movtf): Require TARGET_64BIT.  Remove empty strings.
9210         (*movtf_internal): Rename to...
9211         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
9212         of "R" and use {,fp}{load,store} attributes instead of "multi".
9213         Use a separate define_split.
9214         (*movtf_mips16): New pattern.
9215
9216 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9217
9218         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
9219         * config/mips/mips.c (mips_expand_before_return): New function.
9220         (mips_expand_epilogue): Call it.
9221         * config/mips/mips.md (return): Turn into a define_expand.
9222         (*return): New insn.
9223
9224 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9225
9226         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
9227         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
9228         functions.  Do not emit uses and clobbers of CONCATs; individually
9229         use and clobber their operands.
9230         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
9231         gen_clobber, emit_use and gen_use.
9232         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
9233         (expand_builtin_return): Likewise.
9234         * cfgbuild.c (count_basic_blocks): Likewise.
9235         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
9236         * explow.c (emit_stack_restore): Likewise.
9237         * expmed.c (extract_bit_field_1): Likewise.
9238         * expr.c (convert_move, emit_move_complex_parts): Likewise.
9239         (emit_move_multi_word, store_constructor): Likewise.
9240         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
9241         (thread_prologue_and_epilogue_insns): Likewise.
9242         * lower-subreg.c (resolve_simple_move): Likewise.
9243         * optabs.c (widen_operand, expand_binop): Likewise.
9244         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
9245         * reload.c (find_reloads): Likewise.
9246         * reload1.c (eliminate_regs_in_insn): Likewise.
9247         * stmt.c (expand_nl_goto_receiver): Likewise.
9248         * config/alpha/alpha.md (builtin_longjmp): Likewise.
9249         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
9250         * config/arm/arm.c (arm_load_pic_register): Likewise.
9251         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
9252         * config/arm/arm.md (untyped_return): Likewise.
9253         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
9254         * config/avr/avr.c (expand_prologue): Likewise.
9255         * config/bfin/bfin.c (do_unlink): Likewise.
9256         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
9257         * config/cris/cris.c (cris_expand_prologue): Likewise.
9258         * config/darwin.c (machopic_indirect_data_reference): Likewise.
9259         (machopic_legitimize_pic_address): Likewise.
9260         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
9261         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
9262         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
9263         (ix86_expand_convert_uns_didf_sse): Likewise.
9264         (ix86_expand_vector_init_general): Likewise.
9265         * config/ia64/ia64.md (eh_epilogue): Likewise.
9266         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
9267         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
9268         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
9269         (config/iq2000/iq2000.c): Likewise.
9270         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
9271         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
9272         (builtin_longjmp): Likewise.
9273         * config/mn10300/mn10300.md (call, call_value): Likewise.
9274         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
9275         * config/pdp11/pdp11.md (abshi2): Likewise.
9276         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
9277         * config/s390/s390.c (s390_emit_prologue): Likewise.
9278         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
9279         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
9280         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
9281         * config/sh/sh.c (prepare_move_operands): Likewise.
9282         (output_stack_adjust, sh_expand_epilogue): Likewise.
9283         (sh_set_return_address, sh_expand_t_scc): Likewise.
9284         * config/sparc/sparc.c (load_pic_register): Likewise.
9285         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
9286         * config/spu/spu.c (spu_expand_epilogue): Likewise.
9287         * config/v850/v850.c (expand_epilogue): Likewise.
9288
9289 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
9290
9291         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
9292         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
9293         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
9294         * config/avr/avr.c (expand_prologue, expand_epilogue): Use
9295         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
9296         stack pointer register.
9297         (output_movhi): Remove code for interrupt specific writing to the
9298         stack pointer register.
9299
9300 2008-05-31  Richard Guenther  <rguenther@suse.de>
9301
9302         PR tree-optimization/34244
9303         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
9304         (tree_expr_nonzero_warnv_p): Likewise.
9305         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
9306         ssa_name_nonnegative_p.
9307         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
9308         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
9309         not tree_expr_nonzero_warnv_p.
9310
9311         PR tree-optimization/36262
9312         Revert
9313         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
9314
9315         PR tree-optimization/34244
9316         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
9317         (record_numbers_of_iterations): New function.
9318         (execute_vrp): Cache the numbers of iterations of loops.
9319         * tree-scalar-evolution.c (scev_reset_except_niters):
9320         New function.
9321         (scev_reset): Use scev_reset_except_niters.
9322         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
9323
9324 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
9325
9326         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9327         __WORKAROUND_RETS when appropriate.
9328
9329 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
9330
9331         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
9332         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
9333         mode iterator.
9334         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
9335         *fop_df_comm_sse insn patterns using MODEF mode iterator.
9336         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
9337         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
9338         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
9339         *fop_df_1_mixed insn patterns using MODEF mode iterator.
9340         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
9341         *fop_df_1_sse insn patterns using MODEF mode iterator.
9342         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
9343         *fop_df_1_i387 insn patterns using MODEF mode iterator.
9344         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
9345         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
9346         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
9347         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
9348         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
9349         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
9350         (*fop_xf_4_i387): Use <MODE> for mode attribute.
9351         (*fop_xf_5_i387): Ditto.
9352         (*fop_xf_6_i387): Ditto.
9353
9354 2008-05-30  Richard Guenther  <rguenther@suse.de>
9355
9356         * builtins.c (build_string_literal): Avoid generating
9357         a non-gimple_val result.
9358
9359 2008-05-30  DJ Delorie  <dj@redhat.com>
9360
9361         * exec-tool.in: Use an environment variable (private) instead of a
9362         file (shared) as a semaphore, so as to not break parallel builds.
9363
9364 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
9365
9366         * optabs.c (maybe_encapsulate_block): Remove.
9367         (emit_libcall_block): Adjust accordingly.
9368         * optabs.h (maybe_encapsulate_block): Remove prototype.
9369
9370         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
9371         Don't use maybe_encapsulate_block.
9372
9373 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
9374
9375         * config/rs6000/rs6000.c (rs6000_legitimize_address,
9376         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
9377         rtx is a SYMBOL_REF before calling get_pool_constant.
9378
9379 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
9380
9381         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
9382
9383 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
9384
9385         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
9386         rather than OS names to choose INO_T_EQ definition.
9387         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
9388         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
9389
9390 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
9391
9392         PR target/36348
9393         * config/darwin-f.c: New.
9394         * config/t-darwin: Added rule to build darwin-f.o.
9395         * config.gcc: Defined new variable, fortran_target_objs.
9396         (*-*-darwin*): Set fortran_target_objs.
9397         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
9398         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
9399         * configure: Regenerated.
9400
9401 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
9402
9403         PR target/35771
9404         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
9405         canonical type if needed.
9406
9407 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
9408
9409         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
9410
9411 2008-05-29  Richard Guenther  <rguenther@suse.de>
9412
9413         PR tree-optimization/36343
9414         PR tree-optimization/36346
9415         PR tree-optimization/36347
9416         * tree-flow.h (clobber_what_p_points_to): Declare.
9417         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
9418         pointed-to variable is dereferenced is irrelevant to whether
9419         the pointer can access the pointed-to variable.
9420         (clobber_what_p_points_to): New function.
9421         * tree-ssa-alias.c (set_initial_properties): Use it.
9422         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
9423         call clobber check for NMTs.
9424
9425 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
9426
9427         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
9428         for printing gcov_type.
9429
9430 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
9431
9432         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
9433         and the eh region information.
9434         * value-prof.c (gimple_move_stmt_histograms): New function.
9435         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
9436
9437 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
9438
9439         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
9440
9441 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
9442
9443         * value-prof.c (tree_ic_transform): Print counts.
9444         * tree-profile.c (tree_gen_ic_func_profiler):
9445         Clear __gcov_indreict_call_callee variable to avoid misattribution
9446         of the profile.
9447
9448 2008-05-28  Rafael Espindola  <espindola@google.com>
9449
9450         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
9451         invalid sharing.
9452
9453 2008-05-28  Richard Guenther  <rguenther@suse.de>
9454
9455         PR tree-optimization/36339
9456         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
9457         and clobbering code out of the loop.
9458
9459 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9460
9461         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
9462         letters defined.
9463
9464         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
9465         s390_contiguous_bitmask_p, s390_symref_operand_p,
9466         s390_check_symref_alignment, s390_reload_larl_operand,
9467         s390_reload_symref_address): New functions.
9468         (s390_branch_condition_mnemonic): Support compare and branch
9469         instructions.
9470         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
9471         and 'W' constraints.
9472         (s390_secondary_reload): Add secondary reloads for unaligned
9473         symbol refs or symbol refs to floating point or QI/TI mode
9474         integer values.
9475         (legitimate_address_p): Accept symbol references as addresses.
9476         (s390_expand_insv): Use rotate and insert selected bits
9477         instruction for insv when building for z10.
9478         (print_operand_address): Handle symbol ref addresses.
9479         (print_operand): Output modifier 'c' added for signed byte values.
9480         (s390_encode_section_info): Mark symbol refs with
9481         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
9482
9483         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
9484         (length attribute): RRF, RRR have 4 byte length.
9485         (FPALL, INTALL): New mode iterators added.
9486         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
9487         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
9488         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
9489         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
9490         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
9491         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
9492         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
9493         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
9494         instructions.
9495         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
9496         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
9497         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
9498         reload<INTALL:mode><P:mode>_toreg_z10,
9499         reload<FPALL:mode><P:mode>_tomem_z10,
9500         reload<FPALL:mode><P:mode>_toreg_z10,
9501         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
9502         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
9503         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
9504         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
9505         definition.
9506         (movmem, clrmem, cmpmem): New splitters added.
9507
9508         * config/s390/predicates.md (larl_operand): Use
9509         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
9510         SYMBOL_REF_ALIGN1_P.
9511         (s390_signed_integer_comparison,
9512         s390_unsigned_integer_comparison): New predicates.
9513
9514         * config/s390/s390-protos.h (s390_check_symref_alignment,
9515         s390_contiguous_bitmask_p, s390_reload_larl_operand,
9516         s390_reload_symref_address,
9517         s390_compare_and_branch_condition_mask): Prototypes added.
9518
9519         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
9520         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
9521         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
9522
9523 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9524
9525         * config/s390/s390.c (z10_cost): New cost function for z10.
9526         (s390_handle_arch_option, override_options): Support -march=z10 switch.
9527         (s390_issue_rate): Adjust issue rate for z10.
9528         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
9529         (processor_flags): Add PF_Z10.
9530         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
9531         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
9532         * gcc/config.gcc: Add z10.
9533
9534 2008-05-28  Richard Guenther  <rguenther@suse.de>
9535
9536         PR tree-optimization/36291
9537         * tree-flow. h (struct gimple_df): Remove var_anns member.
9538         * tree-flow-inline.h (gimple_var_anns): Remove.
9539         (var_ann): Simplify.
9540         * tree-dfa.c (create_var_ann): Simplify.
9541         (remove_referenced_var): Clear alias info from var_anns of globals.
9542         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
9543         (delete_tree_ssa): Clear alias info from var_anns of globals.
9544         Do not free var_anns.
9545         (var_ann_eq): Remove.
9546         (var_ann_hash): Likewise.
9547
9548 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
9549
9550         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
9551         and loongson2f entries.
9552         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
9553         * config/mips/mips.h (processor_type): Add Loongson-2E
9554         and Loongson-2F entries.
9555         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
9556         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
9557         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
9558         * doc/invoke.texi (MIPS Options): Document loongson2e
9559         and loongson2f processor names.
9560
9561 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
9562
9563         PR target/35767
9564         PR target/35771
9565         * config/i386/i386.c (ix86_function_arg_boundary): Use
9566         alignment of canonical type.
9567         (ix86_expand_vector_move): Check unaligned memory access for
9568         all SSE modes.
9569
9570 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
9571
9572         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
9573         Moved to the front of file.
9574
9575 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
9576             H.J. Lu  <hongjiu.lu@intel.com>
9577
9578         * dwarf2out.c (current_fde): New.
9579         (add_cfi): Use it.
9580         (lookup_cfa:): Likewise.
9581         (dwarf2out_end_epilogue): Likewise.
9582         (dwarf2out_note_section_used): Likewise.
9583
9584 2008-05-27  Michael Matz  <matz@suse.de>
9585
9586         PR c++/27975
9587         * c.opt (Wenum-compare): New warning option.
9588         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
9589
9590 2008-05-27  Michael Matz  <matz@suse.de>
9591
9592         PR middle-end/36326
9593         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
9594         non-BLKmode types.
9595         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
9596         into memory as tail calls.
9597
9598 2008-05-27  Richard Guenther  <rguenther@suse.de>
9599
9600         PR tree-optimization/36339
9601         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
9602         pointers cause all addressable variables to be call clobbered.
9603
9604 2008-05-27  Richard Guenther  <rguenther@suse.de>
9605
9606         PR tree-optimization/36245
9607         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
9608
9609 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9610
9611         * config/s390/s390.md: Replace all occurences of the 'm'
9612         constraint with 'RT'.
9613
9614 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9615
9616         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
9617         definitions added.
9618         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
9619         "*movdi_64".
9620         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
9621         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
9622         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
9623
9624 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9625
9626         * reload.c: (find_reloads): Skip alternatives according to the
9627         "enabled" attribute. Constify the constraint variable.
9628         * recog.c (get_attr_enabled): Add default implementation.
9629         (extract_insn): Set the alternative_enabled_p array
9630         in the recog_data struct.
9631         (preprocess_constraints, constrain_operands): Skip
9632         alternatives according to the "enabled" attribute
9633         * recog.h (struct recog_data): New field alternative_enabled_p.
9634         (skip_alternative): New inline function.
9635         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
9636         (record_reg_classes): Skip alternative according to the
9637         "enabled" attribute.
9638
9639         * doc/md.texi: Add documention for the "enabled" attribute.
9640
9641 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9642
9643         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
9644         * postreload.c (reload_cse_simplify_operands): Replace 'm'
9645         constraint with TARGET_MEM_CONSTRAINT.
9646         * recog.c (asm_operand_ok, preprocess_constraints,
9647         constrain_operands): Likewise.
9648         * regclass.c (record_reg_classes): Likewise.
9649         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
9650         * reload1.c (maybe_fix_stack_asms): Likewise.
9651         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
9652         * recog.h: Adjust comment.
9653         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
9654         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
9655         * doc/md.texi: Add a note to description of 'm' constraint.
9656         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
9657
9658 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
9659
9660         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
9661         that the bitfield is of integral type before testing its precision.
9662
9663 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
9664             Sa Liu  <saliu@de.ibm.com>
9665
9666         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
9667         __modti3, __udivti3, __umodti3 and __udivmodti4.
9668         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
9669         that implement TImode mul and div functions.
9670         * config/spu/multi3.c: New. Implement __multi3.
9671         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
9672         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
9673         functions on SPU.
9674
9675 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
9676
9677         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
9678         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
9679         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
9680         tls_sysv_suffix): New mode and mode attribute iterators.
9681         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
9682         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
9683         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
9684         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
9685         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
9686         iterators.
9687
9688 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
9689
9690         PR tree-optimization/36329
9691         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
9692         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
9693         * cgraphbuild.c (initialize_inline_failed): Use the latter
9694         macro in lieu of the former.
9695         * ipa-inline.c (cgraph_mark_inline): Likewise.
9696         (cgraph_decide_inlining_of_small_function): Likewise.
9697         (cgraph_decide_inlining): Likewise.
9698         (cgraph_decide_inlining_incrementally): Likewise.
9699
9700 2008-05-26  Tristan Gingold  <gingold@adacore.com>
9701             Anatoly Sokolov  <aesok@post.ru>
9702
9703         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
9704         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
9705         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
9706         optimization for 'avr6' architecture.
9707
9708 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
9709
9710         PR target/34932
9711         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
9712
9713 2008-05-26  Richard Guenther  <rguenther@suse.de>
9714
9715         * tree-ssa-sccvn.c (expr_has_constants): Declare.
9716         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
9717
9718 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
9719
9720         PR middle-end/36253
9721         * caller-save.c (insert_restore): Verify alignment of spill space.
9722         (insert_save): Likewise.
9723         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
9724         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
9725         (STACK_SLOT_ALIGNMENT): Likewise.
9726         * function.c (LOCAL_ALIGNMENT): Removed.
9727         (get_stack_local_alignment): New.
9728         (assign_stack_local): Use it.  Set alignment on stack slot.
9729         (assign_stack_temp_for_type): Use get_stack_local_alignment.
9730         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
9731         (STACK_SLOT_ALIGNMENT): New.
9732         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
9733         stack slot in XFmode.
9734
9735         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
9736
9737 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
9738
9739         PR/36321
9740         * config/i386/i386.md (allocate_stack_worker_64): Make sure
9741         argument operand in rax isn't removed.
9742
9743 2008-05-26  Richard Guenther  <rguenther@suse.de>
9744
9745         PR middle-end/36300
9746         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
9747         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
9748
9749 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
9750
9751         PR bootstrap/36331
9752         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
9753
9754 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
9755
9756         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
9757         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
9758
9759 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
9760
9761         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
9762         build a trampoline if we don't want one.
9763         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
9764         return zero for nested functions if we don't want a trampoline.
9765
9766 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
9767
9768         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
9769
9770 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
9771
9772         PR fortran/18428
9773         * c.opt: Removed undocumented option '-lang-fortran'.
9774         * c-common.h: Removed global variable 'lang_fortran'.
9775         * c-opts.c (c_common_handle_option): Removed code to handle
9776         option '-lang-fortran'. Updated includes.
9777         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
9778         definition of '__GFORTRAN__'.
9779         (define__GNUC__): Reimplemented to use BASEVER and
9780         cpp_define_formatted.
9781         (builtin_define_with_value_n): Removed.
9782         * c-incpath.h: Renamed to ...
9783         * incpath.h: ... this.
9784         * c-incpath.c: Renamed to ...
9785         * incpath.c: ... this. Updated includes.
9786         * fix-header.c: Updated includes.
9787         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
9788         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
9789         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
9790
9791 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
9792
9793         * tree.h: Update the table of flags used on tree nodes.
9794         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
9795         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
9796         (FORCED_LABEL): Add access check.
9797         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
9798         (ASM_INPUT_P): Likewise.
9799         (ASM_VOLATILE_P): Likewise.
9800         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
9801         (OMP_SECTION_LAST): Access private_flag directly.
9802         (OMP_RETURN_NOWAIT): Likewise.
9803         (OMP_PARALLEL_COMBINED): Likewise.
9804         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
9805         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
9806         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
9807         deprecated_flag directly.
9808
9809 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
9810
9811         * final.c (frame_pointer_needed): Removed.
9812         * flags.h (frame_pointer_needed): Likewise.
9813
9814         * function.h (rtl_data): Add frame_pointer_needed.
9815         (frame_pointer_needed): New.
9816
9817 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
9818
9819         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
9820
9821 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
9822
9823         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
9824         SRC is a REG.
9825
9826 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
9827
9828         * c-common.c (strip_array_types): Move function to..
9829         * tree.c: ..here.
9830         (get_inner_array_type): Delete.
9831         * c-common.h (strip_array_types): Move declaration to..
9832         * tree.h: ..here.
9833         (get_inner_array_type): Delete.
9834         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
9835         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
9836         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
9837         * config/pa/pa.c (emit_move_sequence): Likewise.
9838
9839 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
9840
9841         * config/i386/i386.md (*sse_prologue_save_insn): Set length
9842         attribute to 34.
9843
9844 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
9845
9846         * function.c: Include target hook for nonlocal_goto frame value.
9847
9848 2008-05-24  Richard Guenther  <rguenther@suse.de>
9849
9850         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
9851         variable can be only accessed through a pointer or a union.
9852
9853 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9854
9855         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
9856         * doc/extend.texi: Likewise.
9857
9858 2008-05-23  DJ Delorie  <dj@redhat.com>
9859
9860         * config/m32c/jump.md (untyped_call): Add.
9861
9862         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
9863         for A24 to PSImode.
9864         (m32c_address_cost): Detail costs for indirect offsets.
9865
9866 2008-05-23  Rafael Espindola  <espindola@google.com>
9867
9868         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
9869         if a node is a SUBREG.
9870         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
9871         is a SUBREG.
9872
9873 2008-05-23  Paul Brook  <paul@codesourcery.com>
9874             Carlos O'Donell  <carlos@codesourcery.com>
9875
9876         * doc/extend.texi: Clarify use of __attribute__((naked)).
9877         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
9878         * target.h (gcc_target): Add allocate_stack_slots_for_args.
9879         * function.c (use_register_for_decl): Use
9880         targetm.calls.allocate_stack_slots_for_args.
9881         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
9882         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
9883         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
9884
9885 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
9886
9887         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
9888
9889 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
9890
9891         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
9892         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
9893         is only rounded once.
9894
9895 2008-05-23  Richard Guenther  <rguenther@suse.de>
9896
9897         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
9898
9899 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
9900             Jakub Jelinek  <jakub@redhat.com>
9901
9902         PR target/36079
9903         * configure.ac: Handle --enable-cld.
9904         * configure: Regenerated.
9905         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
9906         * config/i386/i386.h (struct machine_function): Add needs_cld field.
9907         (ix86_current_function_needs_cld): New define.
9908         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
9909         (cld): New isns pattern.
9910         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
9911         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
9912         * config/i386/i386.opt (mcld): New option.
9913         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
9914         TARGET_CLD and ix86_current_function_needs_cld.
9915         (override_options): Use -mcld by default for 32-bit code if
9916         USE_IX86_CLD.
9917
9918         * doc/install.texi (Options specification): Document --enable-cld.
9919         * doc/invoke.texi (Machine Dependent Options)
9920         [i386 and x86-64 Options]: Add -mcld option.
9921         (Intel 386 and AMD x86-64 Options): Document -mcld option.
9922
9923 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
9924         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
9925         (return_in_memory_64): Likewise.
9926         (return_in_memory_ms_64): Likewise.
9927
9928 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9929
9930         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
9931         * builtins.c (fold_builtin_fpclassify): New.
9932         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
9933         * builtins.def (BUILT_IN_FPCLASSIFY): New.
9934         * c-common.c (handle_type_generic_attribute): Adjust to accept
9935         fixed arguments before an elipsis.
9936         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
9937         * doc/extend.texi: Document __builtin_fpclassify.
9938
9939 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
9940
9941         * omp-low.c (gate_expand_omp_ssa): Remove.
9942         (pass_expand_omp_ssa): Remove.
9943         (gate_expand_omp): Do not check for flag_openmp_ssa.
9944         * common.opt (-fopenmp-ssa): Remove.
9945         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
9946
9947 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
9948
9949         * config/sh/sh.opt (mfixed-range): New option.
9950         * config/sh/sh-protos.h (sh_fix_range): Declare.
9951         * config/sh/sh.c (sh_fix_range): New function.
9952         * config/sh/sh.h (sh_fixed_range_str): Declare.
9953         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
9954         is not empty.
9955         * doc/invoke.texi (SH Options): Document -mfixed-range.
9956
9957 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
9958
9959         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
9960         it before the redeclaration.
9961
9962 2008-05-22  Anatoly Sokolov <aesok@post.ru>
9963
9964         * config/avr/avr.c (get_sequence_length): Add new function.
9965         (expand_prologue, expand_epilogue): Remove duplicate code.
9966
9967 2008-05-22  Rafael Espindola  <espindola@google.com>
9968
9969         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
9970         sharing.
9971
9972 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
9973
9974         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
9975         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
9976
9977         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
9978         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
9979         (vect_update_misalignment_for_peel): Likewise.
9980         (vector_alignment_reachable_p): Likewise.
9981         * tree-vect-transform.c (vectorizable_load): Likewise.
9982         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
9983         (get_vectype_for_scalar_type): Pass mode of scalar_type
9984         to UNITS_PER_SIMD_WORD.
9985
9986         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
9987         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
9988         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
9989         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
9990         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
9991
9992 2008-05-22  Ira Rosen  <irar@il.ibm.com>
9993
9994         PR tree-optimization/36293
9995         * tree-vect-transform.c (vect_transform_strided_load): Don't check
9996         if the first load must be skipped because of a gap.
9997
9998 2008-05-22  Richard Guenther  <rguenther@suse.de>
9999
10000         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
10001         more cases of offset disambiguation that is possible if
10002         strict-aliasing rules apply.
10003         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
10004         for basic offset and type-based disambiguation.
10005
10006 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10007
10008         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
10009         ix86_expand_vector_set on V16QImode for SSE4.1.
10010
10011 2008-05-21  Tom Tromey  <tromey@redhat.com>
10012
10013         * c.opt (Wimport): Mark as undocumented.
10014         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
10015         -Wno-import.
10016         (Warning Options): Likewise.
10017         * doc/cppopts.texi: Don't mention -Wimport.
10018
10019 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
10020
10021         PR tree-optimization/36287
10022         PR tree-optimization/36286
10023         * lambda-code.c (build_access_matrix): Do not use the loop->num
10024         for computing the number of induction variables: use the loop depth
10025         instead.
10026
10027 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
10028
10029         PR/36280
10030         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
10031         option -f(no-)leading-underscore.
10032
10033 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10034
10035         * config/i386/i386.c (ix86_expand_vector_init_general): Use
10036         GET_MODE_NUNITS (mode).
10037
10038 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
10039
10040         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
10041         (-mmulhw): Add 464 to description.
10042         (-mdlmzb): Likewise.
10043         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
10044         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
10045         464fp entries.
10046         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
10047         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
10048         * config/rs6000/rs6000.md: Update comments for 464.
10049
10050 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
10051
10052         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
10053
10054 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10055
10056         * config/i386/sse.md (vec_extractv4sf): Removed.
10057         (vec_extractv2df): Likewise.
10058         (vec_extractv2di): Likewise.
10059         (vec_extractv4si): Likewise.
10060         (vec_extractv8hi): Likewise.
10061         (vec_extractv16qi): Likewise.
10062         (vec_extract<mode>): New.
10063
10064 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10065
10066         * config/i386/sse.md (vec_setv4sf): Removed.
10067         (vec_setv2df): Likewise.
10068         (vec_setv2di): Likewise.
10069         (vec_setv4si): Likewise.
10070         (vec_setv8hi): Likewise.
10071         (vec_setv16qi): Likewise.
10072         (vec_set<mode>): New.
10073
10074 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10075
10076         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
10077         goto for vec_concat and vec_interleave.
10078
10079 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10080
10081         * config/i386/sse.md (vec_initv4sf): Removed.
10082         (vec_initv2df): Likewise.
10083         (vec_initv2di): Likewise.
10084         (vec_initv4si): Likewise.
10085         (vec_initv8hi): Likewise.
10086         (vec_initv16qi): Likewise.
10087         (vec_init<mode>): New.
10088
10089 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
10090
10091         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
10092
10093 2008-05-21  Tom Tromey  <tromey@redhat.com>
10094
10095         * ggc-zone.c (lookup_page_table_if_allocated): New function.
10096         (zone_find_object_offset): Likewise.
10097         (gt_ggc_m_S): Likewise.
10098         (highest_bit): Likewise.
10099         * ggc-page.c (gt_ggc_m_S): New function.
10100         * stringpool.c (string_stack): Remove.
10101         (init_stringpool): Update.
10102         (ggc_alloc_string): Use ggc_alloc.
10103         (maybe_delete_ident): New function.
10104         (ggc_purge_stringpool): Likewise.
10105         (gt_ggc_m_S): Remove.
10106         * ggc-common.c (ggc_protect_identifiers): New global.
10107         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
10108         ggc_protect_identifiers.
10109         * ggc.h (ggc_protect_identifiers): Declare.
10110         (gt_ggc_m_S): Update.
10111         (ggc_purge_stringpool): Declare.
10112         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
10113         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
10114         special case.
10115         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
10116
10117 2008-05-21  David S. Miller  <davem@davemloft.net>
10118
10119         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
10120         tmake_file.
10121
10122 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
10123
10124         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
10125         once finished.
10126
10127 2008-05-20  David Daney  <ddaney@avtrex.com>
10128
10129         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
10130         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
10131         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
10132         UNSPEC_UPDATE_GOT_VERSION): Renumber.
10133         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
10134         (atomic_hiqi_op): New define_code_iterator.
10135         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
10136         mips_expand_compare_and_swap_12.
10137         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
10138         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
10139         (sync_<optab><mode>, sync_old_<optab><mode>,
10140         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
10141         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
10142         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
10143         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
10144         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
10145         (test_and_set_12): New insn.
10146         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
10147         sync_new_<optab><mode>, sync_old_nand<mode>,
10148         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
10149         clobber to operand 0 for SI and DI mode insns.
10150         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
10151         mips_gen_fn_4): New typedefs.
10152         (mips_gen_fn_ptrs): Define new union type.
10153         (mips_expand_compare_and_swap_12): Remove declaration.
10154         (mips_expand_atomic_qihi): Declare function.
10155         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
10156         (mips_expand_atomic_qihi): ... this.  Use new generator function
10157         parameter.
10158         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
10159         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
10160         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
10161         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
10162         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
10163         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
10164         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
10165         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
10166         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
10167         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
10168         New macros.
10169
10170 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
10171
10172         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
10173         the missing break.
10174
10175 2008-05-20  Anatoly Sokolov <aesok@post.ru>
10176
10177         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
10178         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
10179         (avr_attribute_table): Add 'OS_main' function attribute.
10180         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
10181         functions with 'OS_main' attribute.
10182
10183 2008-05-20  Richard Guenther  <rguenther@suse.de>
10184
10185         PR tree-optimization/35204
10186         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
10187         helper, split out from ...
10188         (DFS): ... here.  Make the DFS walk non-recursive.
10189
10190 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
10191             Jan Sjodin  <jan.sjodin@amd.com>
10192
10193         PR tree-optimization/36181
10194         * tree-parloops.c (loop_has_vector_phi_nodes): New.
10195         (parallelize_loops): Don't parallelize when the loop has vector
10196         phi nodes.
10197
10198 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10199             Sebastian Pop  <sebastian.pop@amd.com>
10200
10201         * tree-loop-linear.c (gather_interchange_stats): Look in the access
10202         matrix, and never look at the tree representation of the memory
10203         accesses.
10204         (linear_transform_loops): Computes parameters and access matrices.
10205         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
10206         when fails.
10207         (access_matrix_get_index_for_parameter): New.
10208         * tree-data-ref.h (struct access_matrix): New.
10209         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
10210         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
10211         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
10212         am_vector_index_for_loop): New.
10213         (struct data_reference): Add field access_matrix.
10214         (DR_ACCESS_MATRIX): New.
10215         (compute_data_dependences_for_loop): Update declaration.
10216         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
10217         * lambda.h (lambda_vector_vec_p): Declared.
10218         * lambda-code.c: Depend on pointer-set.h.
10219         (lambda_collect_parameters_from_af, lambda_collect_parameters,
10220         av_for_af_base, av_for_af, build_access_matrix,
10221         lambda_compute_access_matrices): New.
10222         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
10223
10224 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
10225
10226         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
10227         $SOURCEDIR/include.
10228
10229 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10230             Sebastian Pop  <sebastian.pop@amd.com>
10231
10232         PR tree-optimization/36206
10233         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
10234         FOLD_CONVERSIONS.
10235         (instantiate_scev_1): Rename flags to fold_conversions.
10236         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
10237         outeside instantiation_loop.
10238         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
10239         (evolution_function_is_affine_or_constant_p): Removed.
10240         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
10241         instantiate_scev.
10242         (analyze_siv_subscript): Pass in the loop nest number.
10243         Call evolution_function_is_affine_in_loop instead of
10244         evolution_function_is_affine_p.
10245         (analyze_overlapping_iterations): Pass in the loop nest number.
10246
10247 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10248             Sebastian Pop  <sebastian.pop@amd.com>
10249
10250         PR tree-optimization/36206
10251         * tree-chrec.h (chrec_fold_op): New.
10252         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
10253         and other trees.
10254
10255 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
10256
10257         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
10258         (DIRS_EQ): New.
10259         (remove_duplicates): Do not set inode on non-inode systems.
10260         Use DIRS_EQ.
10261
10262 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
10263
10264         * config.gcc (tm_file): Update comments about relative pathnames.
10265
10266 2008-05-20  Richard Guenther  <rguenther@suse.de>
10267
10268         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
10269         * tree-ssa-sccvn.c (process_scc): Likewise.
10270         * tree-ssa-sink.c (execute_sink_code): Likewise.
10271         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
10272         * tree-vrp.c (process_assert_insertions): Likewise.
10273         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
10274         (perform_tree_ssa_dce): Likewise.
10275         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
10276         (dump_dominator_optimization_stats): Likewise.
10277         * tree-vectorizer.c (vectorize_loops): Likewise.
10278
10279 2008-05-20  Richard Guenther  <rguenther@suse.de>
10280
10281         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
10282
10283 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
10284
10285         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
10286         (ix86_i386elf_return_in_memory): Likewise.
10287         (ix86_i386interix_return_in_memory): Likewise.
10288         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
10289         (SUBTARGET_RETURN_IN_MEMORY): New.
10290         * config/i386/i386elf.h: Likewise.
10291         * config/i386/ptx4-i.h: Likewise.
10292         * config/i386/sol2-10.h: Likewise.
10293         * config/i386/sysv4.h: Likewise.
10294         * config/i386/vx-common.h: Likewise.
10295         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
10296         * config/i386/i386.c (ix86_return_in_memory): Made static and
10297         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
10298         (ix86_i386elf_return_in_memory): Removed.
10299         (ix86_i386interix_return_in_memory): Removed.
10300         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
10301         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
10302
10303 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
10304
10305         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
10306
10307 2008-05-19  Xinliang David Li  <davidxl@google.com>
10308
10309         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
10310         * opts.c: Ditto.
10311         * common.opt: Ditto.
10312         * doc/invoke.texi: Ditto.
10313
10314 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
10315
10316         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
10317         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
10318
10319 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10320
10321         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
10322         sizes of operand array from 8/4 to 4/2.
10323         (ix86_expand_vector_init_general): Change size of operand array
10324         from 32 to 16.  Remove op0, op1 and half_mode.
10325
10326 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10327
10328         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
10329         (ix86_expand_vector_init_interleave): Likewise.
10330         (ix86_expand_vector_init_general): Use them.  Assert
10331         word_mode == SImode when n_words == 4.
10332
10333 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
10334
10335         * config/i386/i386.c (ix86_secondary_reload): New static function.
10336         (TARGET_SECONDARY_RELOAD): New define.
10337         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
10338         * config/i386/i386.md (reload_outqi): Remove.
10339
10340 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10341
10342         PR middle-end/35509
10343         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
10344         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
10345         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
10346         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
10347         (fold_builtin_1): Likewise.
10348         * builtins.def (BUILT_IN_ISINF_SIGN): New.
10349         c-common.c (check_builtin_function_arguments): Handle
10350         BUILT_IN_ISINF_SIGN.
10351         * doc/extend.texi: Document __builtin_isinf_sign.
10352         * fold-const.c (operand_equal_p): Handle COND_EXPR.
10353
10354 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
10355
10356         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
10357         EH cleanup at the end of the pass, search for those that have been
10358         turned into forwarder blocks and do the cleanup on their successor.
10359
10360 2008-05-18  Richard Guenther  <rguenther@suse.de>
10361
10362         * tree-cfg.c (verify_gimple_expr): Allow conversions from
10363         pointers to sizetype and vice versa.
10364
10365 2008-05-18 Xinliang David Li   <davidxl@google.com>
10366
10367         * gcc/tree-ssa-dce.c: Coding style fix.
10368         (check_pow): Documentation comment.
10369         (check_log): Documenation comment. Coding style fix.
10370         (is_unnecessary_except_errno_call): Ditto.
10371         (gen_conditions_for_pow): Ditto.
10372         (gen_conditions_for_log): Ditto.
10373         (gen_shrink_wrap_conditions): Ditto.
10374         (shrink_wrap_one_built_in_calls): Ditto.
10375         * gcc/doc/invoke.texi: Better documentation string.
10376         * ChangeLog: Fix wrong change log entries from
10377         May 17 checkin on function call DCE.
10378
10379 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
10380
10381         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
10382
10383 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
10384
10385         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
10386         * df-problems.c (simulation routines): Fixed block comment to
10387         properly say how to add forwards scanning functions.
10388
10389 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
10390
10391         * tree-inline.c (setup_one_parameter): Remove dead code.
10392
10393 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
10394
10395         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
10396         a BIT_AND_EXPR only for an INTEGER_TYPE.
10397
10398 2008-05-17 Xinliang David Li   <davidxl@google.com>
10399
10400         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
10401         (check_pow, check_log, is_unnecessary_except_errno_call): New
10402         functions to check for eliminating math functions that are pure
10403         except for setting errno.
10404         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
10405         general condition expressions for shrink-wrapping pow/log calls.
10406         (gen_shrink_wrap_conditions): Ditto.
10407         (shrink_wrap_one_built_in_call): Ditto.
10408         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
10409         (mark_operand_necessary): If debugging, output if OP is necessary.
10410         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
10411         unnecessary.
10412         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
10413         opt level >= 2.
10414         * gcc/common.opt: New user flag -ftree-builtin-dce.
10415         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
10416
10417 2008-05-16  David S. Miller  <davem@davemloft.net>
10418
10419         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
10420         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
10421
10422 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
10423
10424         PR target/36246
10425         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
10426
10427 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10428
10429         * ifcvt.c (dead_or_predicable): Rename
10430         df_simulate_one_insn_backwards to df_simulate_one_insn.
10431         * recog.c (peephole2_optimize): Ditto.
10432         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
10433         Ditto.
10434         * df.h: Rename df_simulate_one_insn_backwards to
10435         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
10436         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
10437         scanning of defs and uses.
10438         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
10439         (df_simulate_one_insn_forwards): Removed.
10440
10441 2008-05-16  Doug Kwan  <dougkwan@google.com>
10442
10443         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
10444         QNaN & SNaN.
10445         (real_from_string): Handle NaNs and Inf as approriate.
10446
10447 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
10448
10449         * doc/gty.texi (Source Files Containing Type Information): Note
10450         that headers should appear first in the gtfiles list.
10451
10452 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10453
10454         * tree.def (COND_EXEC): Properly documented this code.
10455
10456 2008-05-16  Diego Novillo  <dnovillo@google.com>
10457
10458         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
10459         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
10460         the new field.
10461
10462 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10463
10464         * tree-ssa-dse (max_stmt_uid): Removed.
10465         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
10466         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
10467         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
10468         * function.h (cfun.last_stmt_uid): New field.
10469         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
10470         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
10471         New functions.
10472         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
10473         (create_stmt_ann): Initialize the ann->uid field.
10474         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
10475         with new calls.
10476         * tree-flow.h (renumber_gimple_stmt_uids): New function.
10477
10478 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
10479
10480         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
10481         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
10482         (init_empty_tree_cfg): Call it.
10483
10484 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10485
10486         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
10487         Update all users.
10488
10489 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10490
10491         * doc/invoke.text (-fdump-tree-*-verbose): New option.
10492         * tree-dump.c (dump_options): New verbose option.
10493         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
10494         Add verbose dump.
10495         * tree-pass.h (TDF_VERBOSE): New dump flag.
10496         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
10497         (tree-flow.h): Added include.
10498         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
10499
10500 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
10501
10502         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
10503
10504         From Jie Zhang  <jie.zhang@analog.com>
10505         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10506         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
10507         mcpu=bf561-none and mcpu=bf561-0.2.
10508         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10509         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
10510         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10511         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
10512         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
10513         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
10514         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
10515         option.
10516         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
10517         (cputype_selected): Remove.
10518         (bfin_handle_option): Don't use cputype_selected.
10519         (override_options): When no mcpu option, enable all workarounds.
10520         Don't use bfin_workarounds.
10521         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
10522         processor type.
10523         (DEFAULT_CPU_TYPE): Don't define.
10524
10525 2008-05-16  Richard Guenther  <rguenther@suse.de>
10526
10527         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
10528         on deletion of the last stmt.
10529
10530 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
10531
10532         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
10533         V8HImode for SSE2 and V16QImode for SSE4.1.
10534
10535 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
10536
10537         * cgraph.h (compute_inline_parameters): Made public.
10538         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
10539         variable_generate_summary, function_write_summary,
10540         variable_write_summary, variable_read_summary.  Added generate_summary,
10541         write_summary, read_summary.
10542         * cgraphunit.c (cgraph_process_new_functions): Changed call from
10543         pass_ipa_inline.function_generate_summary, to
10544         compute_inline_parameters.
10545         * ipa-inline.c (compute_inline_parameters): Made public and added
10546         node parameter.
10547         (compute_inline_parameters_for_current): New function.
10548         (pass_inline_param): Now calls compute_inline_parameters_for_current.
10549         (inline_generate_summary): Removed parameter and made to loop over
10550         all cgraph nodes.
10551         (pass_ipa_inline): Updated for new IPA_PASS structure.
10552         * passes.c (execute_ipa_summary_passes): Now is called once per
10553         pass rather than once per node*pass.
10554
10555 2008-05-15  Anatoly Sokolov <aesok@post.ru>
10556
10557         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
10558         avr_have_mul_p, avr_asm_only_p): Remove variables.
10559         (avr_override_options): Remove initialization of removed variables.
10560         (avr_file_start):  Convert removed variables to fields of
10561         'struct base_arch_s *avr_current_arch'.
10562         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
10563         (AVR_HAVE_MUL): (Ditto.).
10564         (AVR_HAVE_MOVW): (Ditto.).
10565         (AVR_HAVE_LPMX): (Ditto.).
10566         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
10567         avr_asm_only_p): Remove declaration.
10568
10569 2008-05-15  Diego Novillo  <dnovillo@google.com>
10570
10571         * config/arm/arm.c (arm_return_in_memory): Fix return type.
10572         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
10573
10574 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
10575
10576         PR middle-end/36194
10577         * combine.c (check_conversion): Rename back to check_promoted_subreg.
10578         Don't call record_truncated_value from here.
10579         (record_truncated_value): Turn it into a for_each_rtx callback.
10580         (record_truncated_values): New function.
10581         (combine_instructions): Call note_uses with record_truncated_values.
10582         Change name of check_conversion to check_promoted_subreg.
10583
10584 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
10585
10586         * doc/sourcebuild.texi: Document support for torture tests.
10587
10588 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
10589
10590         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
10591         to alternative 4 of operand 2.
10592
10593 2008-05-15  Richard Guenther  <rguenther@suse.de>
10594
10595         * tree-pass.h (current_pass): Declare.
10596         (get_pass_for_id): Likewise.
10597         * passes.c (passes_by_id, passes_by_id_size): New globals.
10598         (set_pass_for_id): New function.
10599         (get_pass_for_id): Likewise.
10600         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
10601         (execute_function_todo): Flush per function statistics.
10602         * toplev.c (compile_file): Init statistics.
10603         (general_init): Do early statistics initialization.
10604         (finalize): Finish statistics.
10605         * statistics.h (statistics_early_init): Declare.
10606         (statistics_init): Likewise.
10607         (statistics_fini): Likewise.
10608         (statistics_fini_pass): Likewise.
10609         (statistics_counter_event): Likewise.
10610         (statistics_histogram_event): Likewise.
10611         * statistics.c: New file.
10612         * Makefile.in (OBJS-common): Add statistics.o.
10613         (statistics.o): Add dependencies.
10614         * doc/invoke.texi (-fdump-statistics): Document.
10615
10616         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
10617         (insert): Likewise.
10618         (execute_pre): Use statistics_counter_event.
10619         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
10620         (substitute_and_fold): Increment it.  Use statistics_counter_event.
10621
10622 2008-05-15  Diego Novillo  <dnovillo@google.com>
10623
10624         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
10625
10626         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
10627         * tree-ssa-alias.c (new_type_alias): Remove references to
10628         sub-variables from comment.
10629         * tree-ssa-operands.c (swap_tree_operands): Likewise.
10630
10631 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
10632
10633         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
10634         attribute to 1 only for insertps alternative.
10635
10636 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
10637
10638         * config/bfin/bfin.md (loadbytes): New pattern.
10639         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
10640         (bfin_init_builtins): Initialize it.
10641         (bdesc_1arg): Add it.
10642
10643 2008-05-15  Sa Liu  <saliu@de.ibm.com>
10644
10645         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
10646         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
10647         * testsuite/lib/target-supports.exp: Add
10648         check_effective_target_fortran_integer_16.
10649
10650 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
10651
10652         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
10653         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
10654         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
10655         (TARGET_RETURN_IN_MEMORY): Define.
10656
10657 2008-05-15  Richard Guenther  <rguenther@suse.de>
10658
10659         PR middle-end/36244
10660         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
10661         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
10662         represent unmodifiable vars.
10663
10664 2008-05-15  Richard Guenther  <rguenther@suse.de>
10665
10666         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
10667         INDIRECT_REF and TARGET_MEM_REF.
10668         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
10669         TARGET_MEM_REF.
10670
10671 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
10672             H.J. Lu  <hongjiu.lu@intel.com>
10673
10674         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
10675         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
10676         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
10677         insn alternatives.  Add missing alternatives.
10678         (*vec_concatv2di_rex64_sse4_1): Likewise.
10679         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
10680         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
10681         Require TARGET_SSE.
10682
10683 2008-05-15  Richard Guenther  <rguenther@suse.de>
10684
10685         PR tree-optimization/36009
10686         PR tree-optimization/36204
10687         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
10688         (determine_invariantness_stmt): Record the loop a store is
10689         always executed in.
10690         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
10691         dependency.
10692
10693 2008-05-15  Richard Guenther  <rguenther@suse.de>
10694
10695         PR tree-optimization/34330
10696         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
10697         through the pointer will alias the SMT.
10698
10699 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
10700
10701         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
10702
10703 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
10704
10705         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
10706
10707 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
10708             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
10709
10710         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
10711         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
10712         (vashl_optab): New optab for vector/vector shifts.
10713         (vashr_optab): Ditto.
10714         (vlshr_optab): Ditto.
10715         (vrotl_optab): Ditto.
10716         (vrotr_optab): Ditto.
10717         (optab_subtype): New enum for optab_for_tree_code call.
10718         (optab_for_tree_code): Add enum optab_subtype argument.
10719
10720         * optabs.c (optab_for_tree_code): Take an additional argument to
10721         distinguish between a vector shift by a scalar and vector shift by
10722         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
10723         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
10724         vector shift by a vector.
10725         (expand_widen_pattern_expr): Pass additional argument to
10726         optab_for_tree_code.
10727
10728         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
10729         vrotl_optab, vrotr_optab.
10730
10731         * expr.c (expand_expr_real_1): Update calls to
10732         optab_for_tree_code to distinguish between vector shifted by a
10733         scalar and vector shifted by a vector.
10734         * tree-vectorizer.c (supportable_widening_operation): Ditto.
10735         (supportable_narrowing_operation): Ditto.
10736         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
10737         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
10738         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
10739         (vect_create_epilog_for_reduction): Ditto.
10740         (vectorizable_reduction): Ditto.
10741         (vectorizable_operation): Ditto.
10742         (vect_strided_store_supported): Ditto.
10743         (vect_strided_load_supported): Ditto.
10744         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
10745         * expmed.c (expand_shift): Ditto.
10746
10747         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
10748         scalar type.
10749         (ashr@var{m}3): Ditto.
10750         (vashl@var{m}3): Document new vector/vector shift standard name.
10751         (vashr@var{m}3): Ditto.
10752         (vlshr@var{m}3): Ditto.
10753         (vrotl@var{m}3): Ditto.
10754         (vrotr@var{m}3): Ditto.
10755
10756         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
10757         (PPERM_INVERT): Ditto.
10758         (PPERM_REVERSE): Ditto.
10759         (PPERM_REV_INV): Ditto.
10760         (PPERM_ZERO): Ditto.
10761         (PPERM_ONES): Ditto.
10762         (PPERM_SIGN): Ditto.
10763         (PPERM_INV_SIGN): Ditto.
10764         (PPERM_SRC1): Ditto.
10765         (PPERM_SRC2): Ditto.
10766
10767         * config/i386/sse.md (mulv2di3): Add SSE5 support.
10768         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
10769         allows a memory operand to be the value being added, and split it
10770         to improve vectorization.
10771         (sse5_pmacsdqh_mem): Ditto.
10772         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
10773         (sse5_mulv2div2di3_high): Ditto.
10774         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
10775         (vec_pack_trunc_v4si): Ditto.
10776         (vec_pack_trunc_v2di): Ditto.
10777         (sse5_pcmov_<mode>): Remove code that tried to use use
10778         andps/andnps instead of pcmov.
10779         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
10780         pmacsdqh instructions.
10781         (vec_widen_smult_lo_v4si): Ditto.
10782
10783         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
10784         (PPERM_INVERT): Ditto.
10785         (PPERM_REVERSE): Ditto.
10786         (PPERM_REV_INV): Ditto.
10787         (PPERM_ZERO): Ditto.
10788         (PPERM_ONES): Ditto.
10789         (PPERM_SIGN): Ditto.
10790         (PPERM_INV_SIGN): Ditto.
10791         (PPERM_SRC1): Ditto.
10792         (PPERM_SRC2): Ditto.
10793         (ix86_expand_sse_movcc): Move the SSE5 test after the if
10794         true/false tests.
10795         (ix86_expand_int_vcond): If SSE5 generate all possible integer
10796         comparisons.
10797         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
10798         says ignore whether the last reference is a memory operand.
10799
10800 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
10801             Paolo Bonzini <bonzini at gnu dot org>
10802
10803         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
10804         shift patterns.
10805
10806         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
10807         (vlshr<mode>3): Rename from vlshr<mode>3.
10808         (vashr<mode>3): Rename from vashr<mode>3.
10809         (mulv4sf3): Change the names of vector shift patterns.
10810         (mulv4si3): Ditto.
10811         (negv4sf2): Ditt.
10812
10813         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
10814         shift insns.
10815
10816         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
10817         (SI_SHLHI): Ditto.
10818         (SI_SHL): Ditto.
10819         (SI_SHLI): Ditto.
10820         (SI_ROTH): Ditto.
10821         (SI_ROTHI): Ditto.
10822         (SI_ROT): Ditto.
10823         (SI_ROTI): Ditto.
10824         (SPU_RL_0): Ditto.
10825         (SPU_RL_1): Ditto.
10826         (SPU_RL_2): Ditto.
10827         (SPU_RL_3): Ditto.
10828         (SPU_RL_4): Ditto.
10829         (SPU_RL_5): Ditto.
10830         (SPU_RL_6): Ditto.
10831         (SPU_RL_7): Ditto.
10832         (SPU_SL_0): Ditto.
10833         (SPU_SL_1): Ditto.
10834         (SPU_SL_2): Ditto.
10835         (SPU_SL_3): Ditto.
10836         (SPU_SL_4): Ditto.
10837         (SPU_SL_5): Ditto.
10838         (SPU_SL_6): Ditto.
10839         (SPU_SL_7): Ditto.
10840
10841         * config/spu/spu.md (v): New iterator macro to add v for vector types.
10842         (floatunssidf2_internal): Change vector/vector shift names.
10843         (floatunsdidf2_internal): Ditto.
10844         (mulv8hi3): Ditto.
10845         (ashrdi3): Ditto.
10846         (ashrti3): Ditto.
10847         (cgt_df): Ditto.
10848         (cgt_v2df): Ditto.
10849         (dftsv): Ditto.
10850         (vashl<mode>3): Rename from ashl<mode>3.
10851         (vashr<mode>3): Rename from ashr<mode>3.
10852         (vlshr<mode>3): Rename from lshr<mode>3.
10853         (vrotl<mode>3): Rename from rotl<mode>3.
10854
10855 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
10856
10857         PR target/36224
10858         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
10859         multiply gives the wrong value when doing widening multiplies.
10860         (vec_widen_smult_lo_v4si): Ditto.
10861
10862 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
10863
10864         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
10865         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
10866         emit_library_call_value.
10867         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
10868         * tree.h (ECF_LIBCALL_BLOCK): Removed.
10869         * calls.c (initialize_argument_information, precompute_arguments,
10870         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
10871         (precompute_arguments): Removed flags parameter.
10872         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
10873
10874 2008-05-14  Richard Guenther  <rguenther@suse.de>
10875
10876         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
10877         Make sure to register the store if the use is a PHI_NODE.
10878
10879 2008-05-14  Olivier Hainque  <hainque@adacore.com>
10880
10881         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
10882         memory if the component is to be referenced in BLKmode according
10883         to get_inner_reference.
10884
10885 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
10886
10887         * calls.c (emit_library_call_value_1): Restore code clearing
10888         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
10889
10890 2008-05-14  Olivier Hainque  <hainque@adacore.com>
10891             Nicolas Roche  <roche@adacore.com>
10892
10893         * configure.ac: Add support for a "gcc_subdir" variable in
10894         config-lang.in, to denote a subdirectory where the language/GCC
10895         integration files are to be found.
10896         * configure: Regenerate.
10897
10898 2008-05-14  Ira Rosen  <irar@il.ibm.com>
10899
10900         PR tree-optimization/36098
10901         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
10902         value for the first load in the group in case of a gap.
10903         (vect_build_slp_tree): Check that there are no gaps in loads.
10904
10905 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
10906
10907         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
10908         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
10909         expand_copysign_bit, ): Change call to emit_no_conflict_block to
10910         emit_insn and remove unneeded code to construct extra args.
10911         (emit_no_conflict_block): Removed.
10912         * optabls.h: (emit_no_conflict_block): Removed.
10913         * cse.c (cse_extended_basic_block): Remove search for
10914         REG_NO_CONFLICT note.
10915         * global.c: Removed incorrect comment added in revision 117.
10916         * expr.c (convert_move): Change call to emit_no_conflict_block to
10917         emit_insn.
10918         * recog.c: Change comments so that they do not mention
10919         REG_NO_CONFLICT.
10920         * local_alloc.c (combine_regs): Removed last parameter.
10921         (no_conflict_p): Removed.
10922         (block_alloc): Removed note, no_conflict_combined_regno and set
10923         local vars. Removed all code to process REG_NO_CONFLICT blocks.
10924         (combine_regs): Removed already_dead and code to look for
10925         REG_NO_CONFLICT notes.
10926         * lower_subreg (remove_retval_note): Removed code to look for
10927         REG_NO_CONFLICT block.
10928         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
10929         (resolve_clobber): Remove code to process libcalls that have
10930         REG_NO_CONFLICT notes.
10931         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
10932         case.
10933         * combine.c (can_combine_p, distribute_notes):  Removed
10934         REG_NO_CONFLICT case.
10935         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
10936         to emit_insns.
10937         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
10938         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
10939         Ditto.
10940         * reg-notes.def (NO_CONFLICT): Removed.
10941
10942 2008-05-14  David S. Miller  <davem@davemloft.net>
10943
10944         * config/sparc/sparc.c (sparc_profile_hook): If
10945         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
10946         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
10947         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
10948
10949 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
10950
10951         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
10952
10953 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
10954
10955         PR target/36222
10956         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
10957         and op1 expansion before vector concat to have less live pseudos.
10958
10959 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
10960
10961         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
10962         ix86_expand_vector_set if supported.
10963
10964 2008-05-13  Diego Novillo  <dnovillo@google.com>
10965             Kenneth Zadeck  <zadeck@naturalbridge.com>
10966
10967         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
10968
10969         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
10970         phinodes_print_statistics, init_ssanames, fini_ssanames,
10971         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
10972         release_ssa_name, release_defs, replace_ssa_name_symbol,
10973         ssanames_print_statistics): Move ...
10974         * tree-flow.h: ... here.
10975         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
10976         Use FN instead of cfun.
10977         (make_ssa_name_fn): Rename from make_ssa_name.
10978         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
10979         * tree-flow-inline.h (make_ssa_name): Move from
10980         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
10981         * omp-low.c (expand_omp_parallel):
10982         * tree-flow-inline.h (redirect_edge_var_map_result):
10983         * tree-ssa.c (init_tree_ssa): Add argument FN.
10984         Use it instead of cfun.  Update all users.
10985
10986 2008-05-13  Tom Tromey  <tromey@redhat.com>
10987
10988         PR preprocessor/22168:
10989         * doc/cpp.texi (Top): Update menu.
10990         (Alternatives to Wrapper #ifndef): New node.
10991         (Other Directives): Document deprecation.
10992         (Obsolete Features): Remove menu.
10993         (Assertions): Merge node into Obsolete Features.
10994         (Obsolete once-only headers): Move earlier; rename to Alternatives
10995         to Wrapper #ifndef.
10996         * doc/cppopts.texi: Update.
10997         * c.opt (Wdeprecated): Enable for C and ObjC.
10998         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
10999         (C++ Dialect Options): Move -Wno-deprecated from here to...
11000         (Warning Options): ... here.
11001
11002 2008-05-13  Richard Guenther  <rguenther@suse.de>
11003
11004         PR middle-end/36227
11005         * fold-const.c (fold_sign_changed_comparison): Do not allow
11006         changes in pointer-ness.
11007
11008 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11009
11010         PR target/24713
11011         * config/sh/sh.c (sh_expand_prologue): Don't clear
11012         RTX_FRAME_RELATED_P for push insns.
11013
11014 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
11015
11016         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
11017
11018 2008-05-12  Anatoly Sokolov <aesok@post.ru>
11019
11020         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
11021         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
11022         Use 'machine->is_leaf' instead of 'leaf_func_p'.
11023
11024 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
11025
11026         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
11027         (*vec_concatv4sf_sse): This.
11028         (*sse2_concatv2si): Renamed to ...
11029         (*vec_concatv2si_sse2): This.
11030         (*sse1_concatv2si): Renamed to ...
11031         (*vec_concatv2si_sse): This.
11032         (*vec_concatv2di_rex): Renamed to ...
11033         (*vec_concatv2di_rex64): This.
11034         (*vec_concatv2si_sse4_1): New.
11035         (*vec_concatv2di_rex64_sse4_1): Likewise.
11036
11037 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
11038
11039         PR rtl-optimization/36111
11040         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
11041         that was created for swappable operands.
11042
11043 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
11044
11045         PR ada/36001
11046         * Makefile.in: Substitute GNATMAKE and GNATBIND.
11047         * configure.ac: Add call to ACX_PROG_GNAT.
11048
11049 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
11050
11051         * optc-gen.awk: Fix comment typo.
11052
11053 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
11054
11055         * pretty-print.c (pp_integer_with_precision): Use
11056         HOST_LONG_LONG_FORMAT.
11057
11058 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
11059
11060         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
11061
11062 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
11063
11064         * config/i386/i386.c (bdesc_ptest): Removed.
11065         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
11066         (bdesc_args): Add __builtin_ia32_ptestz128,
11067         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
11068         (ix86_init_mmx_sse_builtins): Updated.
11069         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
11070         (ix86_expand_builtin): Updated.
11071
11072 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
11073
11074         * tree-cfg.c (valid_fixed_convert_types_p): New function.
11075         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
11076
11077 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
11078
11079         * value-prof.c (interesting_stringop_to_profile): Do not
11080         return early for BUILT_IN_MEMPCPY.
11081
11082 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
11083
11084         * calls.c (expand_call): Don't use callgraph to increase
11085         preferred_stack_boundary.
11086
11087         * cgraph.h (cgraph_rtl_info): Use unsigned on
11088         preferred_incoming_stack_boundary.
11089
11090         * final.c (rest_of_clean_state): Use unsigned on
11091         preferred_stack_boundary.
11092
11093 2008-05-09  Tom Tromey  <tromey@redhat.com>
11094
11095         PR preprocessor/22231:
11096         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
11097         proceeding.
11098
11099 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
11100
11101         PR tree-optimization/36129
11102         * tree-ssa-ccp.c: Include value-prof.h.
11103         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
11104         built-in function was folded to a constant.
11105         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
11106
11107 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
11108             Sebastian Pop  <sebastian.pop@amd.com>
11109
11110         * tree-scalar-evolution.c: Document instantiate_scev.
11111         (instantiate_parameters_1): Renamed instantiate_scev_1.
11112         Don't use the same loop for instantiation_loop and evolution_loop.
11113         (instantiate_scev): New.
11114         (instantiate_parameters): Moved...
11115         (resolve_mixers): Update call to instantiate_scev_1 to pass the
11116         same loop twice.  Maintains the semantics for this function.
11117         * tree-scalar-evolution.h (instantiate_scev): Declare.
11118         (instantiate_parameters): ...here.  Now static inline.
11119         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
11120         instead of resolve_mixers.
11121
11122 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
11123
11124         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
11125
11126 2008-05-09  Tomas Bily  <tbily@suse.cz>
11127
11128         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
11129         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
11130         * tree-ssa-structalias.c (get_constraint_for): Likewise.
11131         * c-common.c (c_common_truthvalue_conversion): Likewise.
11132         * tree-object-size.c (compute_object_offset): Likewise.
11133         * tree-inline.c (estimate_num_insns_1): Likewise.
11134         * varasm.c (const_hash_1, compare_constant, copy_constant)
11135         (compute_reloc_for_constant, output_addressed_constants)
11136         (initializer_constant_valid_p): Likewise.
11137         * c-omp.c (check_omp_for_incr_expr): Likewise.
11138         * gimplify.c (gimplify_expr): Likewise.
11139         * c-typeck.c (c_finish_return): Likewise.
11140         * tree-vectorizer.c (supportable_widening_operation)
11141         (supportable_narrowing_operation): Likewise.
11142         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
11143         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
11144         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11145         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
11146         (descr_info_loc): Likewise.
11147         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
11148         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
11149         (fold_unary): Likewise.
11150         * builtins.c (get_pointer_alignment): Likewise.
11151         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
11152         (instantiate_parameters_1): Likewise.
11153         * tree.c (expr_align, stabilize_reference): Likewise.
11154         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
11155         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
11156         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
11157         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
11158         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
11159         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
11160         Likewise.
11161         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
11162         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
11163         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
11164         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
11165         (forward_propagate_comparison)
11166         (tree_ssa_forward_propagate_single_use_vars): Likewise.
11167         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
11168         * emit-rtl.c (component_ref_for_mem_expr)
11169         (set_mem_attributes_minus_bitpos): Likewise.
11170         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
11171         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
11172         Likewise.
11173         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
11174         (build_function_call, pointer_diff, build_compound_expr)
11175         (c_finish_return): Likewise.
11176         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
11177         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
11178         Likewise.
11179         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
11180         * expr.c (is_aligning_offset): Likewise.
11181         * tree-ssa-alias.c (is_escape_site): Likewise.
11182         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
11183         (check_all_va_list_escapes): Likewise.
11184         * tree-ssa-loop-ivopts.c (determine_base_object)
11185         (determine_common_wider_type): Likewise.
11186         * dojump.c (do_jump): Likewise.
11187         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
11188         * tree-gimple.c (is_gimple_cast): Likewise.
11189         * fold-const.c (decode_field_reference, )
11190         (fold_sign_changed_comparison, fold_unary, fold_comparison)
11191         (fold_binary): Likewise.
11192         * tree-ssa-alias-warnings.c (find_alias_site_helper)
11193         (already_warned_in_frontend_p): Likewise.
11194         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
11195         * tree.c (really_constant_p, get_unwidened): Likewise.
11196         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
11197         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
11198         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
11199         Likewise.
11200         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
11201         CONVERT_EXPR_P.
11202         (CONVERT_EXPR_P): Define.
11203         (CASE_CONVERT): Define.
11204
11205 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
11206
11207         PR middle-end/36117
11208         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
11209         (delete_unmarked_insns): When deleting a call, call
11210         delete_unreachable_blocks.
11211         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
11212         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
11213
11214 2008-05-08  Richard Guenther  <rguenther@suse.de>
11215
11216         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
11217         (-ftree-salias): Likewise.
11218         (salias-max-implicit-fields): Remove param documentation.
11219         (salias-max-array-elements): Likewise.
11220         * tree-pass.h (pass_create_structure_vars): Remove.
11221         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
11222         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
11223         * tree-ssa-alias.c (create_structure_vars): Remove.
11224         (gate_structure_vars): Likewise.
11225         (pass_create_structure_vars): Likewise.
11226         (gate_build_alias): Likewise.
11227         (pass_build_alias): Adjust to run always and dump the function.
11228         * common.opt (ftree-salias): Hide.
11229         * passes.c (init_optimization_passes): Remove
11230         pass_create_structure_vars, adjust comment.
11231         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
11232         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
11233         * opts.c (decode_options): Do not set flag_tree_salias.
11234         (common_handle_option): Add OPT_ftree_salias to the backward
11235         compatibility section.
11236
11237 2008-05-08  Richard Guenther  <rguenther@suse.de>
11238
11239         * tree-flow-inline.h (var_can_have_subvars): Move ...
11240         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
11241         * tree-flow.h (var_can_have_subvars): Remove.
11242         (push_fields_onto_fieldstack): Remove.
11243         (sort_fieldstack): Likewise.
11244         (struct fieldoff): Move ...
11245         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
11246         alias_set and base_for_components fields.
11247         (sort_fieldstack): Make static.
11248         (push_fields_onto_fieldstack): Likewise.  Remove code that
11249         handles anything but RECORD_TYPEs.  Remove alias_set and
11250         base_for_components handling.
11251         (create_variable_info_for): Adjust.
11252
11253 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
11254
11255         * common.opt (Wframe-larger-than=): Shorten the help message
11256         to one line.
11257         * doc/invoke.texi (Wframe-larger-than=): Add more description.
11258
11259 2008-05-08  Rafael Espindola  <espindola@google.com>
11260
11261         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
11262         trap.
11263         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
11264         trap and that both operands are gimple values.
11265         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
11266         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
11267         is a fp operation.
11268
11269 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11270
11271         * read-rtl.c (join_c_conditions): Return the first string if the
11272         two strings are equal.
11273
11274 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11275
11276         * gensupport.h (pred_data): Add a "num_codes" field.
11277         (add_predicate_code): Declare.
11278         * gensupport.c (add_predicate_code): New function.
11279         (std_pred_table): Add an "allows_const_p" field.
11280         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
11281         Remove the (incomplete) list of such codes from the codes field.
11282         (init_predicate_table): Use add_predicate_code.  Add all
11283         RTX_CONST_OBJs if allows_const_p is true.
11284         * genrecog.c (process_define_predicate): Use add_predicate_code.
11285
11286 2008-05-08  David Daney  <ddaney@avtrex.com>
11287             Richard Sandiford  <rsandifo@nildram.co.uk>
11288
11289         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
11290         special case of constant zero operands.
11291         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
11292         old and new values.  Special case constant zero values.
11293         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
11294         fails.
11295         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
11296         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
11297
11298 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
11299
11300         PR target/36090
11301         * simplify-rtx.c (simplify_plus_minus): Create CONST of
11302         similar RTX_CONST_OBJ before CONST_INT.
11303
11304 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
11305
11306         * stmt.c (expand_stack_restore): Change sa mode if needed.
11307
11308 2008-05-08  Richard Guenther  <rguenther@suse.de>
11309
11310         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
11311         return type to bool.
11312         (ix86_sol10_return_in_memory): Likewise.
11313         (ix86_i386elf_return_in_memory): Likewise.
11314         (ix86_i386interix_return_in_memory): Likewise.
11315         * config/i386/i386.c (ix86_return_in_memory): Likewise.
11316         (ix86_sol10_return_in_memory): Likewise.
11317         (ix86_i386elf_return_in_memory): Likewise.
11318         (ix86_i386interix_return_in_memory): Likewise.
11319
11320 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
11321
11322         PR bootstrap/36180
11323         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
11324         fndecl argument.
11325         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
11326         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
11327         declared in front.
11328
11329 2008-05-08  Richard Guenther  <rguenther@suse.de>
11330
11331         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
11332         * tree-data-ref.h (struct dr_alias): Remove subvars field.
11333         (DR_SUBVARS): Remove.
11334         * tree-dfa.c (dump_subvars_for): Remove.
11335         (debug_subvars_for): Likewise.
11336         (dump_variable): Do not dump subvars.
11337         (remove_referenced_var): Do not remove subvars.
11338         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
11339         (lookup_subvars_for_var): Remove.
11340         (get_subvars_for_var): Likewise.
11341         (get_subvars_at): Likewise.
11342         (get_first_overlapping_subvar): Likewise.
11343         (overlap_subvar): Likewise.
11344         * tree-flow.h (subvar_t): Remove.
11345         (struct var_ann_d): Remove subvars field.
11346         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
11347         argument.  Remove special handling of SFTs.
11348         (compute_tag_properties): Likewise.
11349         (set_initial_properties): Likewise.
11350         (compute_call_clobbered): Likewise.
11351         (count_mem_refs): Likewise.
11352         (compute_memory_partitions): Likewise.
11353         (compute_flow_insensitive_aliasing): Likewise.
11354         (setup_pointers_and_addressables): Likewise.
11355         (new_type_alias): Likewise.
11356         (struct used_part): Remove.
11357         (used_portions): Likewise.
11358         (struct used_part_map): Likewise.
11359         (used_part_map_eq): Likewise.
11360         (used_part_map_hash): Likewise.
11361         (free_used_part_map): Likewise.
11362         (up_lookup): Likewise.
11363         (up_insert): Likewise.
11364         (get_or_create_used_part_for): Likewise.
11365         (create_sft): Likewise.
11366         (create_overlap_variables_for): Likewise.
11367         (find_used_portions): Likewise.
11368         (create_structure_vars): Likewise.
11369         * tree.def (STRUCT_FIELD_TAG): Remove.
11370         * tree.h (MTAG_P): Adjust.
11371         (struct tree_memory_tag): Remove base_for_components and
11372         unpartitionable flags.
11373         (struct tree_struct_field_tag): Remove.
11374         (SFT_PARENT_VAR): Likewise.
11375         (SFT_OFFSET): Likewise.
11376         (SFT_SIZE): Likewise.
11377         (SFT_NONADDRESSABLE_P): Likewise.
11378         (SFT_ALIAS_SET): Likewise.
11379         (SFT_UNPARTITIONABLE_P): Likewise.
11380         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
11381         (union tree_node): Remove sft field.
11382         * alias.c (get_alias_set): Remove special handling of SFTs.
11383         * print-tree.c (print_node): Remove handling of SFTs.
11384         * tree-dump.c (dequeue_and_dump): Likewise.
11385         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
11386         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
11387         * tree-predcom.c (set_alias_info): Do not set subvars.
11388         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
11389         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
11390         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
11391         (add_vars_for_offset): Remove.
11392         (add_virtual_operand): Remove special handling of SFTs.
11393         (add_call_clobber_ops): Likewise.
11394         (add_call_read_ops): Likewise.
11395         (get_asm_expr_operands): Likewise.
11396         (get_modify_stmt_operands): Likewise.
11397         (get_expr_operands): Likewise.
11398         (add_to_addressable_set): Likewise.
11399         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
11400         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
11401         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
11402         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
11403         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
11404         (tree_node_structure): Likewise.
11405         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
11406         handling of SFTs.
11407         (find_what_p_points_to): Likewise.
11408
11409 2008-05-08  Sa Liu  <saliu@de.ibm.com>
11410
11411         * config/spu/spu.md: Fixed subti3 pattern.
11412
11413 2008-05-08  Richard Guenther  <rguenther@suse.de>
11414
11415         PR middle-end/36154
11416         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
11417         sure to create a representative for trailing arrays for PTA.
11418
11419 2008-05-08  Richard Guenther  <rguenther@suse.de>
11420
11421         PR middle-end/36172
11422         * fold-const.c (operand_equal_p): Two objects which types
11423         differ in pointerness are not equal.
11424
11425 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
11426
11427         * calls.c (compute_argument_block_size): Add argument tree fndecl.
11428         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
11429         (emit_library_call_value_1): Add new variable fndecl initialized by
11430         NULL_TREE. It should be the decl type of orgfun, but this information
11431         seems not to be available here, so it uses the default calling abi.
11432         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
11433         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
11434         by TARGET_RETURN_IN_MEMORY.
11435         * config/i386/i386-interix.h: Likewise.
11436         * config/i386/i386.h: Likewise.
11437         * config/i386/i386elf.h: Likewise.
11438         * config/i386/ptx4-i.h: Likewise.
11439         * config/i386/sol2-10.h: Likewise.
11440         * config/i386/sysv4.h: Likewise.
11441         * config/i386/vx-common.h: Likewise.
11442         * config/cris/cris.h: Removed #if 0 clause.
11443         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
11444         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
11445         argument.
11446         (ix86_sol10_return_in_memory): Likewise.
11447         (ix86_i386elf_return_in_memory): New.
11448         (ix86_i386interix_return_in_memory): New.
11449         * config/mt/mt-protos.h (mt_return_in_memory): New.
11450         * config/mt/mt.c: Likewise.
11451         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
11452         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
11453         * config/bfin/bfin.h: Likewise.
11454         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
11455         argument.
11456         * config/bfin/bfin.c: Likewise.
11457         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
11458         * config/alpha/unicosmk.h: Likewise.
11459         * config/i386/cygming.h: Likewise.
11460         * config/iq2000/iq2000.h: Likewise.
11461         * config/mips/mips.h: Likewise.
11462         * config/mn10300/mn10300.h: Likewise.
11463         * config/rs6000/rs6000.h: Likewise.
11464         * config/score/score.h: Likewise.
11465         * config/spu/spu.h: Likewise.
11466         * config/v850/v850.h: Likewise.
11467         * defaults.h: Likewise.
11468         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
11469         * expr.c (emit_block_move): Adjust use of
11470         OUTGOING_REG_PARM_STACK_SPACE.
11471         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
11472         OUTGOING_REG_PARM_STACK_SPACE.
11473         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
11474
11475 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
11476
11477         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
11478         on OMP_RETURN for OMP_FOR.
11479
11480         PR debug/35896
11481         * dwarf2out.c (dw_expand_expr, common_check): Removed.
11482         (fortran_common): New function.
11483         (gen_variable_die): Call fortran_common instead of common_check,
11484         adjust for it returning tree instead of rtx.  Formatting.
11485
11486 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
11487
11488         PR rtl/7335
11489         PR rtl/33826
11490         * see.c (see_copy_insn): Copy new pure const attributes for new call.
11491         * c-decl.c (merge_decls): Ditto.
11492         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
11493         to RTL_CONST_OR_PURE_CALL_P.
11494         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
11495         Initialized DECL_LOOPING_CONST_PURE.
11496         (process_call_operands): Set tree_side_effects properly.
11497         * tree.h (TREE_READONLY_DECL_P): Removed.
11498         (DECL_IS_PURE): Renamed to DECL_PURE_P.
11499         (DECL_LOOPING_OR_CONST_P): New macro.
11500         (struct tree_function_decl): Added looping_const_or_pure_p.
11501         (ECF_*) Renumbered.
11502         (ECF_LOOPING_OR_CONST_P): New macro.
11503         * rtlanal.c (pure_const_p): Removed.
11504         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
11505         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
11506         to RTL_CONST_CALL_P.
11507         * ipa-pure-const.c (pure_const_state_e): Added looping field.
11508         (check_decl, check_tree, check_call, scan_function): Initialize
11509         looping.
11510         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
11511         (static_execute): Set looping true for recursive functions.
11512         Undo setting state to IPA_NEITHER for recursive functions.
11513         * cse.c (cse_insn):
11514         * ifcvt.c (noce_can_store_speculate_p): Changed
11515         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
11516         RTL_CONST_OR_PURE_CALL_P.
11517         * dse.c (scan_insn): Ditto.
11518         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
11519         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
11520         RTL_CONST_OR_PURE_CALL_P.
11521         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
11522         pure_call_p to RTL_CONST_CALL_P.
11523         * gimplify.c (gimplify_call_expr): Clear side effects for
11524         non-looping pure and constant calls.
11525         * calls.c (emit_call_1): Set rtl flags from ecf flags.
11526         (flags_from_decl_or_type): Set ecf flags from decl flags.
11527         (initialize_argument_information): Turn off
11528         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
11529         Change const to pure if callee_copies is true rather than just
11530         turning off const.
11531         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
11532         way of marking pure calls.
11533         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
11534         Remove hack that was supposed to fix pr7335 and remove old
11535         way of marking pure calls.
11536         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
11537         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
11538         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
11539         RTL_CONST_OR_PURE_CALL_P.
11540         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
11541         * loop-invariant.c (find_exits, find_invariant_bb): Changed
11542         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
11543         * sched-deps.c (schedule_analyze): Ditto.
11544         * rtl.h (struct rtx_def): Use call field, unchanging field, and
11545         return_val field of calls to represent pure and const function info.
11546         (CONST_OR_PURE_CALL_P): Deleted macro.
11547         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
11548         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
11549         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
11550         TREE_READONLY.
11551         * tree-optimize.c (execute_fixup_cfg): Added test for
11552         ECF_LOOPING_CONST_OR_PURE.
11553         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
11554         DECL_PURE_P.
11555         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
11556         effects for looping pure or const calls.
11557         (verify_gimple_expr): Added verification code.
11558         * config/alpha/alpha.c (alpha_legitimize_address,
11559         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
11560         RTL_CONST_CALL_P.
11561         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
11562         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
11563         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
11564         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
11565         RTL_CONST_OR_PURE_CALL_P.
11566         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
11567         and const calls to be deleted.
11568
11569 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
11570
11571         PR target/35714
11572         * config/i386/mmx.md (mmx_subv2sf3): New expander.
11573         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
11574         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
11575         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
11576         to handle nonimmediate operands.
11577         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
11578         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
11579         to handle nonimmediate operands.
11580         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
11581         (mmx_pmulhrwv4hi3): New expander.  Use
11582         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11583         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
11584         (sse2_umulv1siv1di3): New expander.  Use
11585         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11586         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
11587         (mmx_eq<mode>3): New expander.  Use
11588         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11589         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
11590         (mmx_uavgv8qi3): New expander.  Use
11591         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11592         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
11593         (mmx_uavgv4hi3): New expander.  Use
11594         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11595
11596         * config/i386/sse.md
11597         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
11598         to handle nonimmediate operands.
11599         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
11600         to handle nonimmediate operands.
11601         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
11602         to handle nonimmediate operands.
11603         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
11604         to handle nonimmediate operands.
11605         (sse2_unpckhpd_exp): New expander.  Use
11606         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11607         (sse2_unpcklpd_exp): New expander.  Use
11608         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11609         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
11610         to handle nonimmediate operands.
11611         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
11612         to handle nonimmediate operands.
11613         (*sse2_<plusminus_insn><mode>3): Rename from
11614         sse2_<plusminus_insn><mode>3 insn pattern.
11615         (sse2_<plusminus_insn><mode>3): New expander.  Use
11616         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11617         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
11618         (sse2_umulv2siv2di3): New expander.  Use
11619         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11620         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
11621         (sse4_1_mulv2siv2di3): New expander.  Use
11622         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11623         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
11624         (sse2_pmaddwd): New expander.  Use
11625         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11626         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
11627         (sse2_eq<mode>3): New expander.  Use
11628         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11629         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
11630         (sse4_1_eqv2di3): New expander.  Use
11631         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11632         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
11633         (sse2_uavgv16qi3): New expander.  Use
11634         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11635         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
11636         (sse2_uavgv16qi3): New expander.  Use
11637         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11638         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
11639         (sse2_uavgv8hi3): New expander.  Use
11640         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11641         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
11642         (ssse3_pmulhrswv8hi3): New expander.  Use
11643         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11644         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
11645         (ssse3_pmulhrswv4hi3): New expander.  Use
11646         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11647
11648         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
11649         (<sse>_vmmul<mode>3): Ditto.
11650         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
11651         (divv2df3): Ditto.
11652         (ssse3_pmaddubsw128): Use register_operand for operand 1.
11653         (ssse3_pmaddubsw): Ditto.
11654
11655         * config/i386/i386.c (struct_builtin_description)
11656         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
11657         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
11658         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
11659         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
11660         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
11661         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
11662         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
11663         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
11664         (ix86_fixup_binary_operands): Assert that src1
11665         and src2 must have the same mode when swapped.
11666         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
11667         and ix86_binary_operator_ok.  Do not force operands in registers
11668         when optimizing.
11669
11670 2008-05-07  Jan Hubicka  <jh@suse.cz>
11671
11672         * cgraph.c (dump_cgraph_node): Update.
11673         * cgraph.h (cgraph_local_info): Break out inline summary.
11674         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
11675         hook.
11676         * ipa-inline (inline_summary): New accestor function.
11677         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
11678         cgraph_decide_inlining, compute_inline_parameters): Update.
11679         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
11680
11681 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
11682
11683         Cleanup ColdFire scheduling support and add V4 pipeline model.
11684
11685         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
11686         (define_attr cpu): Add cfv4 value.
11687         (define_attr type, define_attr type1): Merge into a single 'type'
11688         attribute.  Update all uses.
11689         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
11690         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
11691         Update all uses.
11692         (define_attr opx_mem, define_attr opy_mem): Remove.
11693         (define_attr op_mem): Clean up, update comment.
11694         (define_attr size): Use specific values instead of general int.
11695         (define_attr guess, define_attr split): Remove.  Update all uses.
11696         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
11697         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
11698         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
11699         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
11700         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
11701         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
11702         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
11703         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
11704         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
11705         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
11706         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
11707         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
11708         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
11709         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
11710         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
11711         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
11712         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
11713         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
11714         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
11715         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
11716         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
11717         Update or set attributes.
11718         (stack_tie): New fake instruction.
11719
11720         * config/m68k/m68k.h (TUNE_CFV4): New macro.
11721         (m68k_sched_attr_size): Update declaration.
11722         (m68k_sched_attr_type2): Remove.
11723         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
11724         Declare new bypass predicates.
11725
11726         * config/m68k/m68k.c (m68k_sched_issue_rate,
11727         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
11728         implementations.
11729         (TARGET_SCHED_ISSUE_RATE,
11730         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
11731         (override_options): Handle scheduling for ColdFire V4 core.
11732         (m68k_expand_prologue): Emit stack_tie.
11733         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
11734         'OP_TYPE_FPN'.  Update all uses.
11735         (sched_guess_p): Remove.
11736         (sched_address_type): Handle symbolic addresses.
11737         (sched_get_operand): New static function.
11738         (sched_operand_type): Merge into sched_attr_op_type.
11739         (sched_attr_op_type): Handle FP registers, handle quick constants,
11740         update.
11741         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
11742         (m68k_sched_attr_size): Update.  Move logic to ...
11743         (sched_get_attr_size_int): New static function.
11744         (sched_get_opxy_mem_type): New static function.
11745         (m68k_sched_attr_op_mem): Update.
11746         (m68k_sched_attr_type2): Remove.
11747         (sched_cfv4_bypass_data): New static variable.
11748         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
11749         (m68k_sched_issue_rate): Implement scheduler hook.
11750         (struct _sched_ib: enabled_p): New field.
11751         (m68k_sched_variable_issue): Update.  Handle V4.
11752         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
11753         sched_dump_class_func_t, sched_dump_split_class,
11754         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
11755         sched_dump_dfa_class, m68k_sched_dump): Remove.
11756         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
11757         hook.
11758         (m68k_sched_init_global): Remove statisctics dumping, introduce
11759         sanity check that all instructions have pipeline reservations.  Handle
11760         ColdFire V4 core.
11761         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
11762         Handle ColdFire V4 core.
11763         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
11764         New static functions.
11765         (m68k_sched_address_bypass_p): New bypass predicate.
11766         (sched_get_indexed_address_scale): New static function.
11767         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
11768
11769         * cf.md: Update comments.
11770         (define_attr type2): Remove.  Use 'type' attribute instead.
11771         Update all uses.
11772         (cf_ib): Rename to cfv123_ib.  Update all uses.
11773         (cf_oep): Rename to cfv123_oep.  Update all uses.
11774         (cf_chr): Rename to cfv123_chr.  Update all uses.
11775         (cf_mem): Rename to cfv123_mem.  Update all uses.
11776         (cf_mac): Move to more appropriate place.
11777         (cfv123_guess): New automaton and cpu_unit.
11778         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
11779         Update uses of 'size' attribute.  Handle before reload scheduling.
11780         (cfv123_guess): New dummy reservation for unhandled instructions.
11781         (cfv4_*): Pipeline description of ColdFire V4 core.
11782         (ignore): New reservation to handle 'ignore' type.
11783
11784 2008-05-07  Ian Lance Taylor  <iant@google.com>
11785
11786         PR middle-end/36013
11787         * gimplify.c (find_single_pointer_decl_1): Don't look through
11788         indirections.
11789         (find_single_pointer_decl): Adjust comments.
11790
11791 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
11792
11793         PR middle-end/36137
11794         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
11795         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
11796
11797         PR middle-end/36106
11798         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
11799         integral type rather than floating point, then VIEW_CONVERT_EXPR
11800         to the floating point type.
11801
11802 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
11803
11804         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
11805         TFmode op0 to register.
11806
11807 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
11808
11809         * c-decl.c (grokdeclarator): Comment typo.
11810
11811 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
11812
11813         * tree-flow.h: Remove prototype for computed_goto_p.
11814         * tree-cfg.c (computed_goto_p): Make static.
11815
11816 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
11817
11818         PR target/35657
11819         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
11820         (contains_aligned_value_p): This.  Handle _Decimal128.
11821         (ix86_function_arg_boundary): Only align _Decimal128 to its
11822         natural boundary and handle it properly.
11823
11824 2008-05-06  Martin Jambor  <mjambor@suse.cz>
11825
11826         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
11827         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
11828         (ipcp_method_set_orig_node): Removed.
11829         (ipcp_cval_get_cvalue_type): Removed.
11830         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
11831         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
11832         (ipcp_cval_set_cvalue_type): Removed.
11833         (ipcp_cval_get_cvalue): Removed.
11834         (ipcp_cval_set_cvalue): Removed.
11835         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
11836         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
11837         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
11838         (ipcp_cval_meet): Renamed to ipa_lattice_meet
11839         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
11840         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
11841         (ipcp_get_ith_lattice): Changed parameters.
11842         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
11843         (ipcp_lattice_from_jfunc): Changed parameters.
11844         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
11845         (ipcp_method_cval_print): Added temporary variable info.
11846         (ipcp_redirect): Removed already unused local variable caller.
11847         (ipcp_redirect): New temporary variable orig_callee_info
11848         (ipcp_redirect): Removed newly unused local variable callee.
11849         (ipcp_redirect): Removed (a bit confusing) local variable type.
11850         (ipcp_insert_stage): Added local variable info.
11851         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
11852         renamed too
11853         (ipcp_formal_create): Removed.
11854         (ipcp_method_cval_set): Removed.
11855         (ipcp_propagate_stage): Renamed lattice variables.
11856         (ipcp_method_cval_set_cvalue_type): Removed.
11857         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
11858         (ipcp_print_all_lattices): Changed printed strings to refer to
11859         lattices rather than cvals.
11860         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
11861         (ipcp_propagate_const): Changed formal parameters.
11862         (build_const_val): Changed formal parameters.
11863         (ipcp_insert_stage): Removed useless variable cvalue
11864         (build_const_val): Changed formal parameters.
11865         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
11866         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
11867         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
11868         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
11869         (ipcp_print_func_profile_counts): Changed string from "method" to
11870         "function"
11871         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
11872         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
11873         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
11874         (ipcp_structures_print): Renamed to ipcp_print_all_structures
11875         (ipcp_profile_print): Renamed to ipcp_print_profile_data
11876         (ipcp_lat_is_const): Changed parameters and made inline.
11877         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
11878         (ipcp_redirect): Renamed to ipcp_need_redirect_p
11879         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
11880         the predicate condition directly
11881         (ipcp_propagate_stage): Added local variable args. Removed local
11882         variable callee.  (Both are mere code simplifications.)
11883         (ipcp_method_dont_insert_const): Renamed to
11884         ipcp_node_not_modifiable_p.
11885         (ipcp_node_not_modifiable_p): Made inline.
11886         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
11887         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
11888         (ipcp_print_all_lattices): Removed variable cvalue
11889         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
11890         Updated comments.
11891
11892 2008-05-06  Olivier Hainque  <hainque@adacore.com>
11893
11894         * tree-sra.c (try_instantiate_multiple_fields): Early return
11895         if field has POINTER_TYPE.
11896
11897 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
11898
11899         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
11900         by using 'q' specifier for instruction.
11901         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
11902
11903 2008-05-06  Anatoly Sokolov <aesok@post.ru>
11904
11905         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
11906         Change mode of zero_extract from QImode to HImode.
11907         (sign bit tests peepholes): (Ditto.).
11908
11909 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
11910
11911         * config/i386/mmx.md: Remove double backslashes from asm templates.
11912         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
11913         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
11914         to handle nonimmediate operands.
11915         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
11916         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
11917         to handle nonimmediate operands.
11918         (*mmx_<code>v2sf3_finite): New insn pattern.
11919         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
11920         (mmx_<code>v2sf3): New expander.  Use
11921         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11922         (mmx_<plusminus_insn><mode>3): New expander.  Use
11923         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11924         (*mmx_<plusminus_insn><mode>3): New insn pattern.
11925         (mmx_add<mode>3): Removed.
11926         (mmx_ssadd<mode>3): Ditto.
11927         (mmx_usadd<mode>3): Ditto.
11928         (mmx_sub<mode>3): Ditto.
11929         (mmx_sssub<mode>3): Ditto.
11930         (mmx_ussub<mode>3): Ditto.
11931         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
11932         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
11933         to handle nonimmediate operands.
11934         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
11935         insn pattern.
11936         (mmx_smulv4hi3_highpart): New expander.  Use
11937         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11938         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
11939         insn pattern.
11940         (mmx_umulv4hi3_highpart): New expander.  Use
11941         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11942         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
11943         (mmx_<code>v4hi3): New expander.  Use
11944         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11945         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
11946         (mmx_<code>v8qi3): New expander.  Use
11947         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11948         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
11949         (mmx_<code><mode>3): New expander.  Use
11950         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11951
11952 2008-05-05  Jan Hubicka  <jh@suse.cz>
11953
11954         PR tree-optimization/36118
11955         * passes.c (pass_init_dump_file): Fix dump header.
11956
11957 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11958
11959         PR middle-end/36141
11960         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
11961         VCE for function decls.
11962
11963 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
11964
11965         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
11966
11967 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
11968
11969         * config/i386/i386.md (sat_plusminus): New.
11970         (plusminus_insn): Likewise.
11971         (plusminus_mnemonic): Likewise.
11972         (addsub): Removed.
11973         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
11974         (*<addsub><mode>3_cc_overflow): Renamed to ...
11975         (*<plusminus_insn><mode>3_cc_overflow): This.
11976         (*<addsub>si3_zext_cc_overflow): Renamed to ...
11977         (*<plusminus_insn>si3_zext_cc_overflow): This.
11978
11979         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
11980         (<plusminus_insn><mode>3): This.
11981         (*<addsub><mode>3): Renamed to ...
11982         (*<plusminus_insn><mode>3): This.
11983         (<sse>_vm<addsub><mode>3): Renamed to ...
11984         (<sse>_vm<plusminus_insn><mode>3): This.
11985         (sse3_h<addsub>v4sf3): Renamed to ...
11986         (sse3_h<plusminus_insn>v4sf3): This.
11987         (sse3_h<addsub>v2df3): Renamed to ...
11988         (sse3_h<plusminus_insn>v2df3): This.
11989         (<plusminus_insn><mode>3): New.
11990         (*<plusminus_insn><mode>3): Likewise.
11991         (sse2_<plusminus_insn><mode>3): Likewise.
11992         (add<mode>): Removed.
11993         (*add<mode>3): Likewise.
11994         (sse2_ssadd<mode>3): Likewise.
11995         (sse2_usadd<mode>3): Likewise.
11996         (sub<mode>3): Likewise.
11997         (*sub<mode>3): Likewise.
11998         (sse2_sssub<mode>3): Likewise.
11999         (sse2_ussub<mode>3): Likewise.
12000
12001 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
12002
12003         * gthr-single.h: Add in required interface elements as per gthr.h.
12004         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
12005         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
12006         Generalize UNUSED macro.
12007         (__gthread_once): Add.
12008         (__gthread_key_create): Add.
12009         (__gthread_key_delete): Add.
12010         (__gthread_getspecific): Add.
12011         (__gthread_setspecific): Add.
12012
12013 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
12014
12015         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
12016         the same size types for the indirect reference on the rhs, then
12017         create a VCE.
12018
12019 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
12020
12021         * config/i386/i386.md
12022         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
12023         one insn template instead of template series.
12024         (*xordi_1_rex64): Ditto.
12025         (*xordi_2_rex64): Ditto.
12026
12027 2008-05-05  Ira Rosen  <irar@il.ibm.com>
12028
12029         PR tree-optimization/36119
12030         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
12031         in case of SLP.
12032
12033 2008-06-04  Jan Hubicka  <jh@suse.cz>
12034
12035         tree-optimization/36100
12036         * tree-pass.h (pass_O0_always_inline): Declare.
12037         * ipa-inline.c (inline_transform): Remove dead code.
12038         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
12039         pass_O0_always_inline): New.
12040         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
12041
12042 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
12043
12044         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
12045         mnemonic in this_param move for TARGET_64BIT.
12046
12047 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
12048
12049         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
12050         (*strmovsi_rex_1): Ditto.
12051         (*strsetsi_1): Ditto.
12052         (*strsetsi_rex_1): Ditto.
12053
12054         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
12055         adddicc expanders using SWI mode iterator.
12056
12057 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
12058
12059         PR target/36121
12060         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
12061         argument handling.
12062
12063 2008-05-04  David S. Miller  <davem@davemloft.net>
12064
12065         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
12066         (sparc*-*-linux*): Use linux.h in tm_file.
12067         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
12068         compiler defaulting to 32-bit.
12069         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
12070         no longer needed.
12071         * config/sparc/linux.h: Remove definitions now obtained
12072         properly from linux.h
12073         * config/sparc/linux64.h: Likewise.
12074         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
12075         don't want this setting for 32-bit builds in a biarch compiler.
12076         * doc/install.texi: Add sparc-linux to list of targets
12077         supporting --enable-targets=all.
12078
12079 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
12080
12081         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
12082
12083 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
12084
12085         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
12086         after V4SI_FTYPE_V8HI.
12087         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
12088         case V4SI_FTYPE_V2DF.
12089
12090 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
12091
12092         * doc/invoke.texi (max-flow-memory-locations): Removed.
12093         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
12094
12095 2008-05-03  Richard Guenther  <rguenther@suse.de>
12096
12097         PR middle-end/34973
12098         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
12099
12100 2008-05-02  David S. Miller  <davem@davemloft.net>
12101
12102         * config.gcc (need_64bit_hwint): Document libcpp dependency.
12103
12104 2008-05-02  Simon Baldwin <simonb@google.com>
12105
12106         PR bootstrap/36108
12107         * c-common.h (warn_array_subscript_range): Removed.
12108         * c-common.c (warn_array_subscript_range): Ditto.
12109         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
12110         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
12111
12112 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12113
12114         * config/i386/i386.c (ix86_special_builtin_type): New.
12115         (bdesc_special_args): Likewise.
12116         (ix86_expand_special_args_builtin): Likewise.
12117         (ix86_init_mmx_sse_builtins): Updated.
12118         (ix86_expand_builtin): Updated.
12119         (ix86_expand_store_builtin): Removed.
12120         (ix86_expand_unop_builtin): Likewise.
12121
12122         * config/i386/mm3dnow.h (__v2sf): Moved to ...
12123         * config/i386/mmintrin.h (__v2sf): Here.
12124
12125         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
12126         const __v2sf.
12127         (_mm_loadl_pi): Likewise.
12128         (_mm_storeh_pi): Replace __v2si with __v2sf.
12129         (_mm_storel_pi): Likewise.
12130
12131         * doc/extend.texi: Correct __builtin_ia32_loadhps,
12132         __builtin_ia32_loadlps, __builtin_ia32_storehps,
12133         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
12134         __builtin_ia32_loadlpd.
12135
12136 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12137
12138         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
12139         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
12140         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
12141         (ix86_init_mmx_sse_builtins): Updated.
12142         (ix86_expand_args_builtin): Likewise.
12143         (ix86_expand_builtin): Likewise.
12144         (ix86_expand_unop1_builtin): Renamed to ...
12145         (ix86_expand_unop_vec_merge_builtin): This.
12146
12147 2008-05-01  Jan Hubicka  <jh@suse.cz>
12148
12149         PR bootstrap/36100
12150         * ipa-inline.c (inline_generate_summary): Make static.
12151         (inline_transform): Do not call inlining at -O0; make static.
12152         * passes.c (execute_todo): Add sanity check.
12153         (execute_one_ipa_transform_pass): Execute proper flags.
12154
12155 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
12156
12157         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
12158         (DECL_NONADDRESSABLE_P): Likewise.
12159         * alias.c (record_component_aliases): Fix comment.
12160
12161 2008-05-01  Simon Baldwin <simonb@google.com>
12162
12163         * c-common.h (warn_array_subscript_range): New function.
12164         * c-common.c (warn_array_subscript_range): Ditto.
12165         * tree-vrp.c (check_array_ref): Corrected code to agree with
12166         comment, ignoring only arrays of size 0 or size 1.
12167         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
12168
12169 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12170
12171         * config/i386/i386.c (ix86_builtin_type): Replace
12172         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
12173         (bdesc_args): Updated.
12174         (ix86_init_mmx_sse_builtins): Likewise.
12175         (ix86_expand_args_builtin): Likewise.
12176
12177         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
12178         with __v1di.
12179
12180         * doc/extend.texi: Correct __builtin_ia32_palignr.
12181
12182 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12183
12184         PR target/36095
12185         * config/i386/i386.c (bdesc_crc32): Removed.
12186         (ix86_expand_crc32): Likewise.
12187         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
12188         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
12189         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
12190         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
12191         UINT_FTYPE_UINT_UCHAR.
12192         (bdesc_args): Updated. Add crc32 builtins.
12193         (ix86_init_mmx_sse_builtins): Updated.
12194         (ix86_expand_args_builtin): Updated to support subreg.
12195
12196         * doc/extend.texi: Correct __builtin_ia32_crc32di.
12197
12198 2008-05-01  Jan Hubicka  <jh@suse.cz>
12199
12200         * tree-pass.h (opt_pass): Add IPA_PASS.
12201         (varpool_node, cgraph_node): Forward declare.
12202         (ipa_opt_pass): Define.
12203         (pass_ipa_inline): Turn into ipa_opt_pass.
12204         (pass_apply_inline): Remove.
12205         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
12206         (apply_inline): Turn into ....
12207         (inline_transform): ... this one.
12208         (inline_generate_summary): New function.
12209         (pass_apply_inline): Remove.
12210         * function.h (ipa_opt_pass): Forward declare structure; typedef;
12211         vector.
12212         (struct function): Add ipa_transforms_to_apply.
12213         * passes.c (register_one_dump_file): Work on IPA_PASS.
12214         (init_optimization_passes): Remove pass_inline_parameters and
12215         pass_apply_inline.
12216         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
12217         (execute_one_pass) ... here; apply transforms when possible.
12218         (add_ipa_transform_pass, execute_ipa_summary_asses,
12219         execute_one_ipa_transform_pass): New.
12220         (execute_ipa_pass_list): Update for IPA_PASS type.
12221
12222 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12223
12224         * config/i386/i386.c (ix86_builtin_type): Add
12225         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
12226         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
12227         (bdesc_args): Add SSE4a builtins.
12228         (ix86_init_mmx_sse_builtins): Updated.
12229         (ix86_expand_args_builtin): Likewise.
12230         (ix86_expand_builtin): Likewise.
12231
12232 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12233
12234         * config/i386/i386.c (ix86_builtin_type): Add
12235         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
12236         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
12237         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
12238         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
12239         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
12240         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
12241         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
12242         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
12243         and DI_FTYPE_DI_DI_INT.
12244         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
12245         (ix86_init_mmx_sse_builtins): Updated.
12246         (ix86_expand_args_builtin): Likewise.
12247         (ix86_expand_builtin): Likewise.
12248         (ix86_expand_binop_imm_builtin): Removed.
12249
12250         * doc/extend.texi: Correct __builtin_ia32_palignr128.
12251
12252 2008-04-30  Richard Guenther  <rguenther@suse.de>
12253
12254         PR tree-optimization/32921
12255         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
12256
12257 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
12258
12259         * config/arm/arm.c (arm_unwind_emit): Use
12260         crtl->all_throwers_are_sibcalls instead of
12261         cfun->all_throwers_are_sibcalls.
12262         (arm_output_fn_unwind): Likewise.
12263         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
12264         instead of cfun->uses_pic_offset_table.
12265         (frv_expand_prologue): Likewise.
12266         (frv_frame_pointer_required): Likewise.
12267         (frv_expand_fdpic_call): Likewise.
12268         (frv_emit_movsi): Likewise.
12269         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
12270         cfun->returns_pcc_struct instead of
12271         current_function_returns_pcc_struct.
12272         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
12273         instead of cfun->calls_eh_return.
12274         (m32c_pushm_popm): Likewise.
12275         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
12276         "extern" declaration.
12277
12278 2008-04-30  Richard Guenther  <rguenther@suse.de>
12279
12280         PR tree-optimization/21636
12281         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
12282         constant address.
12283         (evaluate_stmt): Print the likely value.
12284         (ccp_visit_stmt): Avoid excessive vertical spacing.
12285
12286 2008-04-30  Rafael Espindola  <espindola@google.com>
12287
12288         * builtins.c (fold_call_expr): Return realret.
12289         * tree-ssa-threadedge.c
12290         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
12291         __builtin_object_size.
12292
12293 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
12294
12295         * gcc.c (wrapper_string): New variable.
12296         (insert_wrapper): New function.
12297         (execute): New option -wrapper.
12298         * doc/invoke.texi (Overall Options): New driver option -wrapper.
12299
12300 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
12301
12302         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
12303         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
12304         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
12305         from...
12306         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
12307         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
12308         config/rs6000/e500crtres64gprctr.asm,
12309         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
12310         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
12311         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
12312         config/rs6000/e500crtsav64gprctr.asm,
12313         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
12314         config/rs6000/e500crtsavg64gprctr.asm: New files.
12315         * config/rs6000/t-ppccomm: Add build rules for new files.
12316         (LIB2FUNCS_STATIC_EXTRA): Add new files.
12317         * config/rs6000/t-netbsd: Add build rules for new files.
12318         (LIB2FUNCS_STATIC_EXTRA): New variable.
12319         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
12320         (CRTSAVRES_DEFAULT_SPEC): Likewise.
12321         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
12322
12323 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
12324
12325         * config/i386/i386.c (ix86_builtin_type): Add
12326         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
12327         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
12328         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
12329         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
12330         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
12331         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
12332         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
12333         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
12334         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
12335         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
12336         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
12337         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
12338         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
12339         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
12340         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
12341         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
12342         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
12343         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
12344         V1DI_FTYPE_V2SI_V2SI.
12345         (bdesc_2arg): Moved to ...
12346         (bdesc_args): Here.
12347         (ix86_init_mmx_sse_builtins): Updated.
12348         (ix86_expand_args_builtin): Updated.  Take a pointer
12349         to const struct builtin_description.  Handle comparison
12350         builtin functions.
12351         (ix86_expand_sse_compare): Take a new argument for swapping operands.
12352         (ix86_expand_builtin): Updated.
12353
12354         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
12355         (ssse3_pmaddubsw128): This.
12356         (ssse3_pmaddubswv4hi3): Renamed to ...
12357         (ssse3_pmaddubsw): This.
12358
12359         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
12360         (__builtin_ia32_packssdw128): Likewise.
12361         (__builtin_ia32_packuswb128): Likewise.
12362         (__builtin_ia32_pmaddubsw): Likewise.
12363         (__builtin_ia32_pmaddubsw128): Likewise.
12364
12365 2008-04-30  Richard Guenther  <rguenther@suse.de>
12366
12367         PR tree-optimization/14847
12368         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
12369         (recognize_bits_test): Use it.
12370         (recognize_single_bit_test): Likewise.
12371
12372 2008-04-30  Martin Jambor  <mjambor@suse.cz>
12373
12374         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
12375         instead of setting number of formal parameters to zero.
12376         (ipcp_init_stage): Do not set the number of actual parameters to zero
12377         either.
12378         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
12379         which are called with variable number of arguments.
12380         (ipcp_insert_stage): Explicitely skipping all nodes which are
12381         called with variable number of arguments.
12382         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
12383         number of parameters.
12384
12385         * ipa-prop.h (struct ipa_node_params): Added flag
12386         called_with_var_arguments
12387         (ipa_set_param_count): Added.  Changed sole setter to use it.
12388         (ipa_get_param_count): Added.  All readers of param_count
12389         converted to use it instead.
12390         (ipa_set_called_with_variable_arg): Added.
12391         (ipa_is_called_with_var_arguments): Added.
12392         (ipa_get_ith_param): Added.  All readers of param_decls converted
12393         to use it instead.
12394         (ipa_set_cs_argument_count): Added, sole writer to argument_count
12395         changed to use it.
12396         (ipa_get_cs_argument_count): Added, all readers of argument_count
12397         changed to cal it.
12398         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
12399         to use it.
12400
12401         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
12402         (struct ipcp_lattice): Renamed cval_type to type
12403         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
12404
12405         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
12406         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
12407         (ipcp_insert_stage): Changed the type of variable cvalue to tree
12408         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
12409         (build_const_val): Changed the type of parameter cvalue to tree
12410         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
12411         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
12412
12413         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
12414         constant
12415
12416         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
12417         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
12418         (ipa_add_method): Renamed to ipa_push_func_to_list
12419         (ipa_remove_method): Renamed to ipa_pop_func_from_list
12420         (ipa_callsite_param_count): Removed.
12421         (ipa_callsite_param_count_set): Removed.
12422         (ipa_callsite_param): Removed.
12423         (ipa_callsite_callee): Removed.
12424         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
12425         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
12426         (ipa_method_formal_count): Removed.
12427         (ipa_method_formal_count_set): Removed.
12428         (ipa_method_get_tree): Removed.
12429         (ipa_method_tree_map_create): Removed.
12430         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
12431         (ipa_create_param_decls_array): Creates the array itself
12432         (ipa_create_param_decls_array): Temporary variable info instead of
12433         a few dereferences.
12434         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
12435         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
12436         (get_type): Removed.
12437         (ipa_jf_get_info_type): Removed.
12438         (ipa_node_create): Renamed to ipa_create_node_params
12439         (ipa_free): Renamed to ipa_free_all_node_params
12440         (ipa_nodes_create): Renamed to ipa_create_all_node_params
12441         (ipa_edges_create): Renamed to ipa_create_all_edge_args
12442         (ipa_edges_free): Renamed to ipa_free_all_edge_args
12443         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
12444         (ipa_free_all_node_params): Deallocation to jump_functions moved to
12445         ipa_free_all_edge_args
12446         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
12447         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
12448         (ipa_create_methodlist_node): Removed.
12449         (ipa_methodlist_method): Removed.
12450         (ipa_methodlist_method_set): Removed.
12451         (ipa_methodlist_next_method): Removed.
12452         (ipa_methodlist_next_method_set): Removed.
12453         (ipa_method_is_modified): Removed.
12454         (ipa_method_modify_create): Removed.
12455         (ipa_method_modify_init): Temporary variable info instead of a few
12456         dereferences.
12457         (ipa_detect_param_modifications): Temporary variable info instead of
12458         a few dereferences.
12459         (ipa_compute_jump_functions): Temporary variable info instead of
12460         a few dereferences.
12461         (ipa_method_modify_set): Removed.
12462         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
12463         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
12464         than craph_node as the first parameter.
12465         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
12466         (ipa_method_modify_init): Removed.
12467         (ipa_compute_jump_functions): Added a temp variable instead of
12468         repeatadly dereferencing the cgraph_edge.aux pointer
12469         (ipa_callsite_param_set_type): Removed.
12470         (ipa_compute_jump_functions): i renamed to index and moved to
12471         an inner block
12472         (ipa_callsite_param_set_info_type_formal): Removed.
12473         (ipa_callsite_param_set_info_type): Removed.
12474         (ipa_callsite_param_map_create): Removed.
12475         (ipa_callsite_tree): Removed.
12476         (ipa_callsite_caller): Removed.
12477         (ipa_pop_func_from_list): return_method removed to return_func
12478
12479         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
12480         prefixed all values with IPA_. Changed all users.
12481         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
12482         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
12483         and FORMAL_IPATYPE IPA_PASS_THROUGH.
12484         (union parameter_info): Renamed to jump_func_value.
12485         (union jump_func_value): Renamed value to constant
12486         (struct ipa_jump_func): Renamed info_type to value
12487         (struct ipa_node): Renamed to ipa_node_params
12488         (struct ipa_node_params): Renamed ipa_arg_num to param_count
12489         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
12490         (struct ipa_node_params): Renamed ipa_mod to modified_flags
12491         (struct ipa_edge): Renamed to ipa_edge_args
12492         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
12493         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
12494         (struct ipa_methodlist): Renamed to ipa_func_list
12495         (struct ipa_func_list): method_p renamed to node, next_method
12496         renamed to next
12497         (ipa_methodlist_p): Removed, switched all users to struct pointer
12498         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
12499
12500 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
12501
12502         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
12503         (rs6000_emit_epilogue): Use backchain to restore only when we
12504         have a large frame.  Make use of frame pointer to restore if we
12505         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
12506
12507 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
12508
12509         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
12510         Add mode to zero_extract.
12511         (sign bit tests peepholes): (Ditto.).
12512
12513 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
12514
12515         * config/i386/i386.c (ix86_builtins): Replace Prescott New
12516         Instructions in comments with SSE3.
12517         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
12518         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
12519         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
12520         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
12521         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
12522         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
12523         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
12524         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
12525         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
12526         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
12527         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
12528         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
12529         (bdesc_sse_args): Renamed to ...
12530         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
12531         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
12532         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
12533         IX86_BUILTIN_FABSQ.
12534         (bdesc_1arg): Moved to ...
12535         (bdesc_args): Here.
12536         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
12537         Instructions in comments with SSE3.
12538         (ix86_expand_sse_operands_builtin): Renamed to ...
12539         (ix86_expand_args_builtin): This.  Updated.
12540         (ix86_expand_unop1_builtin): Update comments.
12541         (ix86_expand_builtin): Updated.
12542
12543 2008-04-29  Richard Guenther  <rguenther@suse.de>
12544
12545         PR tree-optimization/36078
12546         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
12547         Update virtual SSA form after cleaning up the CFG.
12548
12549 2008-04-29  Richard Guenther  <rguenther@suse.de>
12550
12551         PR middle-end/15255
12552         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
12553
12554 2008-04-29  Richard Guenther  <rguenther@suse.de>
12555
12556         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
12557         (compute_may_aliases): Do not call finalize_ref_all_pointers.
12558         (compute_flow_insensitive_aliasing): Do not treat
12559         PTR_IS_REF_ALL pointers special.
12560         (get_smt_for): Likewise.
12561         (may_alias_p): Re-structure.
12562         (is_escape_site): A ref-all pointer conversion is not an escape site.
12563         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
12564         PTR_IS_REF_ALL pointers special.
12565         * tree-ssa-structalias.h (struct alias_info): Remove
12566         ref_all_symbol_mem_tag field.
12567         (PTR_IS_REF_ALL): Remove.
12568
12569 2008-04-29  Richard Guenther  <rguenther@suse.de>
12570
12571         PR middle-end/36077
12572         * fold-const.c (extract_muldiv_1): In combining division constants
12573         make sure to never overflow.
12574
12575 2008-04-29  Nick Clifton  <nickc@redhat.com>
12576
12577         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
12578
12579 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12580
12581         PR bootstrap/35169
12582         * optc-gen.awk: Work around HP-UX/IA awk bug.
12583
12584 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
12585
12586         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
12587         2008-04-25 commit.
12588
12589 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
12590
12591         PR target/36073
12592         * config/i386/i386.md
12593         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
12594         Change operand 1 predicate to nonimmediate_operand.
12595
12596 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
12597
12598         PR debug/36060
12599         * dwarf2out.c (struct die_struct): Mark as chain_circular through
12600         die_sub field.
12601         * gengtype.c (walk_type, write_func_for_structure): Handle
12602         chain_circular.
12603         * doc/gty.texi: Document chain_circular.
12604
12605 2008-04-28  Richard Guenther  <rguenther@suse.de>
12606
12607         PR tree-optimization/36066
12608         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
12609         SCEV and loop.
12610
12611 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
12612
12613         PR target/36064
12614         * config/i386/i386.md
12615         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
12616         Use match_scratch instead of match_operand for operands 3 and 4.
12617
12618 2008-04-27  Richard Guenther  <rguenther@suse.de>
12619
12620         PR tree-optimization/18754
12621         PR tree-optimization/34223
12622         * tree-pass.h (pass_complete_unrolli): Declare.
12623         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
12624         loop size before and after unconditionally of UL_NO_GROWTH in effect.
12625         Rewrite loop into loop closed SSA form if it is not already.
12626         (tree_unroll_loops_completely): Re-structure to iterate over
12627         innermost loops with intermediate CFG cleanups.
12628         Unroll outermost loops only if requested or the code does not grow
12629         doing so.
12630         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
12631         loops are available.
12632         (tree_vectorize): Instead do so here.
12633         (tree_complete_unroll): Also unroll outermost loops.
12634         (tree_complete_unroll_inner): New function.
12635         (gate_tree_complete_unroll_inner): Likewise.
12636         (pass_complete_unrolli): New pass.
12637         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
12638         uses outside of the loop.
12639         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
12640         form if it is available.
12641         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
12642         * passes.c (init_optimization_passes): Schedule complete inner
12643         loop unrolling pass before the first CCP pass after final inlining.
12644
12645 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
12646
12647         * targhooks.h (default_emutls_var_fields,
12648         default_emutls_var_init): Declare.
12649         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
12650         * target.h (struct gcc_target): Add struct emutls member.
12651         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
12652         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
12653         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
12654         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
12655         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
12656         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
12657         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
12658         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
12659         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
12660         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
12661         emit debug information.
12662         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
12663         * varasm.c: Include targhooks.h.
12664         (emutls_object_section, emutls_tmpl_section): New.
12665         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
12666         (EMUTLS_SEPARATOR): New.
12667         (prefix_name): New.
12668         (get_emutls_object_name): New.
12669         (default_emutls_var_fields): New, broken out of ...
12670         (get_emutls_object_type): ... here.  Adjust to use target hooks.
12671         (get_emutls_init_templ_addr): Adjust to use target hooks.
12672         (emutls_decl): Adjust to use target hooks.
12673         (emutls_finish): Likewise.
12674         (default_emutls_var_init): New, broken out of ...
12675         (assemble_variable): ... here.  Adjust to use target hooks.
12676         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
12677         SECCAT_EMUTLS_TMPL.
12678         * c-common.c (handle_section_attribute): Prevent overriding
12679         sections for emulated tls with special sections.
12680         * config/i386/i386.c (x86_64_elf_select_section): Add
12681         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
12682         (x86_64_elf_unique_section): Likewise.
12683         * config/vxworks.c: Include tree.h.
12684         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
12685         (vxworks_override_options): Set TLS scheme.
12686         * doc/tm.texi (Emulated TLS): New node.
12687
12688 2008-04-26  Simon Baldwin <simonb@google.com>
12689
12690         PR c/35652
12691         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
12692         with propagated string constants.
12693
12694 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
12695
12696         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
12697         constraint for operand 2 when operand 0 is memory operand.
12698         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
12699         operand 0 is memory operand.
12700         (fix_trunc<mode>_i387_with_temp): Ditto.
12701         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
12702         operand 2 when operand 1 is memory operand.
12703         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
12704         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
12705         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
12706         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
12707         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
12708         operands 2,3 and 4 when operand 1 is memory operand.
12709         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
12710         is memory operand.
12711         (fistdi2_floor_with_temp): Ditto.
12712         (fist<mode>2_floor_with_temp): Ditto.
12713         (fistdi2_ceil_with_temp): Ditto.
12714         (fist<mode>2_ceil_with_temp): Ditto.
12715         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
12716
12717 2008-04-26  David Daney  <ddaney@avtrex.com>
12718
12719         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
12720         unspec_volitile.
12721         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
12722         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
12723         UNSPEC_UPDATE_GOT_VERSION): Renumber.
12724         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
12725         (compare_and_swap_12): New insn.
12726         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
12727         * config/mips/mips.c (mips_force_binary): New function.
12728         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
12729         (mips_expand_compare_and_swap_12): New function.
12730         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
12731
12732 2008-04-25  Jan Hubicka  <jh@suse.cz>
12733
12734         PR testsuite/35843
12735         * cfgexpand.c (pass_expand): Turn into RTL pass.
12736         * passes.c (execute_one_pass): Do pass typechecking after execution.
12737         * tree-pass.h (pass_expand): Turn into RTL pass.
12738
12739         * function.h (struct rtl_data): Move here fields
12740         accesses_prior_frames, calls_eh_return, saves_all_registers,
12741         has_nonlocal_goto, has_asm_statement, is_thunk,
12742         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
12743         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
12744         arg_pointer_save_area_init from struct function; turn into bool.
12745         (struct function): Move
12746         calls_eh_return, saves_all_registers, has_nonlocal_goto,
12747         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
12748         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
12749         tail_call_emit, arg_pointer_save_area_init
12750         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
12751         (current_function_returns_struct, current_function_returns_pcc_struct,
12752         current_function_calls_setjmp, current_function_calls_alloca,
12753         current_function_accesses_prior_frames,
12754         current_function_calls_eh_return, current_function_is_thunk,
12755         current_function_stdarg, current_function_profile,
12756         current_function_limit_stack, current_function_uses_pic_offset_table,
12757         current_function_uses_const_pool, current_function_has_nonlocal_label,
12758         current_function_saves_all_registers,
12759         current_function_has_nonlocal_goto,
12760         current_function_has_asm_statement): Remove accesor macros.
12761         * ra-conflict.c (global_conflicts): Update.
12762         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
12763         (suitable_for_tail_call_opt_p): Update.
12764         * builtins.c (expand_builtin_return_addr): Update.
12765         (expand_builtin_setjmp_setup): Update.
12766         (expand_builtin_nonlocal_goto): Update.
12767         * final.c (final_start_function): Update.
12768         (profile_function): Update.
12769         (leaf_function_p): Update.
12770         (only_leaf_regs_used): Update.
12771         * df-scan.c (df_get_exit_block_use_set): Update.
12772         * dojump.c (clear_pending_stack_adjust): Update.
12773         * tree-stdarg.c (gate_optimize_stdarg): Update.
12774         * gimple-low.c (lower_function_body): Update.
12775         * global.c (compute_regsets): Update.
12776         (global_alloc): Update.
12777         * dwarf2out.c (dwarf2out_begin_prologue): Update.
12778         * expr.c (expand_assignment): Update.
12779         * dse.c (dse_step0): Update.
12780         (dse_step1): Update.
12781         * c-decl.c (store_parm_decls): Update.
12782         * local-alloc.c (combine_regs): Update.
12783         (find_free_reg): Update.
12784         * function.c (assign_parms_augmented_arg_list): Update.
12785         (assign_parm_find_data_types): Update.
12786         (assign_parms): Update.
12787         (allocate_struct_function): Update.
12788         (expand_function_start): Update.
12789         (expand_function_end): Update.
12790         (get_arg_pointer_save_area): Update.
12791         (thread_prologue_and_epilogue_insns): Update.
12792         (rest_of_match_asm_constraints): Update.
12793         * stor-layout.c (variable_size): Update.
12794         * gcse.c (gcse_main): Update.
12795         (bypass_jumps): Update.
12796         * gimplify.c (gimplify_function_tree): Update.
12797         * calls.c (emit_call_1): Update.
12798         (expand_call): Update.
12799         * bt-load.c (compute_defs_uses_and_gen): Update.
12800         * except.c (sjlj_assign_call_site_values): Update.
12801         (sjlj_emit_function_enter): Update.
12802         (can_throw_external): Update.
12803         (set_nothrow_function_flags): Update.
12804         (expand_builtin_unwind_init): Update.
12805         (expand_eh_return): Update.
12806         (convert_to_eh_region_ranges): Update.
12807         (output_function_exception_table): Update.
12808         * emit-rtl.c (gen_tmp_stack_mem): Update.
12809         * cfgexpand.c (expand_used_vars): Update.
12810         (tree_expand_cfg): Update.
12811         * cfgcleanup.c (rest_of_handle_jump): Update.
12812         * explow.c (allocate_dynamic_stack_space): Update.
12813         * varasm.c (assemble_start_function): Update.
12814         (force_const_mem): Update.
12815         (mark_constant_pool): Update.
12816         * tree-optimize.c (tree_rest_of_compilation): Update.
12817         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
12818         * tree-cfg.c (notice_special_calls): Update.
12819         (is_ctrl_altering_stmt): Update.
12820         (tree_can_make_abnormal_goto): Update.
12821         (tree_purge_dead_abnormal_call_edges): Update.
12822         * config/alpha/predicates.md: Update.
12823         * config/alpha/alpha.c (alpha_sa_mask): Update.
12824         (alpha_sa_size): Update.
12825         (alpha_does_function_need_gp): Update.
12826         (alpha_expand_prologue): Update.
12827         (alpha_start_function): Update.
12828         (alpha_output_function_end_prologue): Update.
12829         (alpha_expand_epilogue): Update.
12830         * config/frv/frv.c (frv_stack_info): Update.
12831         (frv_expand_epilogue): Update.
12832         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
12833         (s390_register_info): Update.
12834         (s390_frame_info): Update.
12835         (s390_init_frame_layout): Update.
12836         (s390_can_eliminate): Update.
12837         (save_gprs): Update.
12838         * config/spu/spu.c (spu_split_immediate): Update.
12839         (need_to_save_reg): Update.
12840         (spu_expand_prologue): Update.
12841         (spu_expand_epilogue): Update.
12842         * config/sparc/sparc.md: Update.
12843         * config/sparc/sparc.c (eligible_for_return_delay): Update.
12844         (sparc_tls_got): Update.
12845         (legitimize_pic_address): Update.
12846         (sparc_emit_call_insn): Update.
12847         (sparc_expand_prologue): Update.
12848         (output_return): Update.
12849         (print_operand): Update.
12850         (sparc_function_ok_for_sibcall): Update.
12851         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
12852         * config/m32r/m32r.md: Update.
12853         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
12854         (m32r_compute_frame_size): Update.
12855         (m32r_expand_prologue): Update.
12856         (m32r_expand_epilogue): Update.
12857         (m32r_legitimize_pic_address): Update.
12858         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
12859         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
12860         * config/i386/i386.c (ix86_frame_pointer_required): Update.
12861         (gen_push): Update.
12862         (ix86_save_reg): Update.
12863         (ix86_compute_frame_layout): Update.
12864         (ix86_expand_prologue): Update.
12865         (ix86_expand_epilogue): Update.
12866         * config/sh/sh.c (output_stack_adjust): Update.
12867         (calc_live_regs): Update.
12868         (sh5_schedule_saves): Update.
12869         (sh_expand_prologue): Update.
12870         (sh_expand_epilogue): Update.
12871         (sh_setup_incoming_varargs): Update.
12872         (sh_allocate_initial_value): Update.
12873         (sh_get_pr_initial_val): Update.
12874         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
12875         * config/sh/sh.md (label:): Update.
12876         * config/avr/avr.c (out_movhi_mr_r): Update.
12877         * config/crx/crx.h (enum): Update.
12878         * config/xtensa/xtensa.h (along): Update.
12879         * config/stormy16/stormy16.c Update.
12880         (xstormy16_compute_stack_layout): Update.
12881         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
12882         (fr30_expand_prologue): Update.
12883         * config/cris/cris.c (cris_conditional_register_usage): Update.
12884         (cris_reg_saved_in_regsave_area): Update.
12885         (cris_initial_frame_pointer_offset): Update.
12886         (cris_simple_epilogue): Update.
12887         (cris_expand_prologue): Update.
12888         (cris_expand_epilogue): Update.
12889         (cris_expand_pic_call_address): Update.
12890         (cris_asm_output_symbol_ref): Update.
12891         (cris_asm_output_label_ref): Update.
12892         * config/cris/cris.md Update.
12893         * config/iq2000/iq2000.c (compute_frame_size): Update.
12894         (iq2000_expand_epilogue): Update.
12895         * config/mt/mt.h (save_direction): Update.
12896         * config/mn10300/mn10300.c (mn10300_function_value): Update.
12897         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
12898         (ia64_secondary_reload_class): Update.
12899         * config/m68k/m68k.c (m68k_save_reg): Update.
12900         (m68k_expand_prologue): Update.
12901         (m68k_expand_epilogue): Update.
12902         (legitimize_pic_address): Update.
12903         * config/rs6000/rs6000.c (rs6000_got_register): Update.
12904         (first_reg_to_save): Update.
12905         (first_altivec_reg_to_save): Update.
12906         (compute_vrsave_mask): Update.
12907         (compute_save_world_info): Update.
12908         (rs6000_stack_info): Update.
12909         (spe_func_has_64bit_regs_p): Update.
12910         (rs6000_ra_ever_killed): Update.
12911         (rs6000_emit_eh_reg_restore): Update.
12912         (rs6000_emit_allocate_stack): Update.
12913         (rs6000_emit_prologue): Update.
12914         (rs6000_emit_epilogue): Update.
12915         (rs6000_output_function_epilogue): Update.
12916         (output_profile_hook): Update.
12917         (rs6000_elf_declare_function_name): Update.
12918         * config/rs6000/rs6000.h (rs6000_args): Update.
12919         * config/rs6000/rs6000.md: Update.
12920         * config/mcore/mcore.c (mcore_expand_prolog): Update.
12921         * config/arc/arc.c (arc_output_function_epilogue): Update.
12922         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
12923         * config/darwin.c (machopic_function_base_name): Update.
12924         * config/score/score3.c (score3_compute_frame_size): Update.
12925         (rpush): Update.
12926         (rpop): Update.
12927         (score3_epilogue): Update.
12928         * config/score/score7.c (score7_compute_frame_size): Update.
12929         (score7_prologue): Update.
12930         (score7_epilogue): Update.
12931         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
12932         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
12933         * config/arm/arm.c (use_return_insn): Update.
12934         (require_pic_register): Update.
12935         (arm_load_pic_register): Update.
12936         (arm_compute_save_reg0_reg12_mask): Update.
12937         (arm_compute_save_reg_mask): Update.
12938         (thumb1_compute_save_reg_mask): Update.
12939         (output_return_instruction): Update.
12940         (arm_output_function_prologue): Update.
12941         (arm_output_epilogue): Update.
12942         (arm_get_frame_offsets): Update.
12943         (arm_expand_prologue): Update.
12944         (thumb_pushpop): Update.
12945         (thumb_exit): Update.
12946         (thumb1_expand_prologue): Update.
12947         (thumb1_expand_epilogue): Update.
12948         (arm_unwind_emit): Update.
12949         (arm_output_fn_unwind): Update.
12950         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
12951         * config/arm/arm.md: Update.
12952         * config/pa/pa.md: Update.
12953         * config/pa/pa.c (legitimize_pic_address): Update.
12954         (compute_frame_size): Update.
12955         (hppa_expand_prologue): Update.
12956         (hppa_expand_epilogue): Update.
12957         (borx_reg_operand): Update.
12958         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
12959         (HARD_REGNO_RENAME_OK): Update.
12960         * config/mips/mips.c (mips_global_pointer): Update.
12961         (mips_save_reg_p): Update.
12962         (mips_compute_frame_info): Update.
12963         (mips_frame_pointer_required): Update.
12964         (mips_expand_prologue): Update.
12965         (mips_expand_epilogue): Update.
12966         (mips_can_use_return_insn): Update.
12967         (mips_reorg_process_insns): Update.
12968         * config/v850/v850.c (compute_register_save_size): Update.
12969         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
12970         * config/mmix/mmix.c (along): Update.
12971         (mmix_expand_epilogue): Update.
12972         * config/bfin/bfin.c (legitimize_pic_address): Update.
12973         (must_save_p): Update.
12974         (stack_frame_needed_p): Update.
12975         (add_to_reg): Update.
12976         (bfin_expand_prologue): Update.
12977         * stmt.c (expand_asm_operands): Update.
12978         * reload1.c (reload): Update.
12979         (init_elim_table): Update.
12980
12981 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
12982
12983         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
12984
12985 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
12986
12987         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
12988         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
12989         (mov<mode>): Removed.
12990         (*movv4sf_internal): Likewise.
12991         (*movv2df_internal): Likewise.
12992
12993 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
12994
12995         * config.gcc (crx-*-elf): Remove deprecation.
12996
12997 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
12998
12999         * config/i386/cygming-crtend.c (register_frame_ctor): Register
13000         __gcc_deregister_frame with atexit.
13001         (deregister_frame_dtor): Remove.
13002
13003 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
13004             Nathan Sidwell  <nathan@codesourcery.com>
13005
13006         * config/rs6000/rs6000.opt (mspe): Remove Var property.
13007         (misel): Likewise.
13008         * config/rs6000/rs6000.h (rs6000_spe): Declare.
13009         (rs6000_isel): Likewise.
13010         * config/rs6000/rs6000.c (rs6000_spe): New variable.
13011         (rs6000_isel): New variable.
13012         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
13013
13014 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13015
13016         PR c++/35758
13017         * c-common.c (handle_vector_size_attribute): Call
13018         lang_hooks.types.reconstruct_complex_type instead of
13019         reconstruct_complex_type.
13020         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
13021         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
13022         * langhooks.h (struct lang_hooks_for_types): Add
13023         reconstruct_complex_type hook.
13024         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
13025         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
13026
13027 2008-04-24  Richard Guenther  <rguenther@suse.de>
13028
13029         * c-common.h (check_builtin_function_arguments): Declare.
13030         * c-common.c (validate_nargs): New function.
13031         (check_builtin_function_arguments): Likewise.
13032         * c-typeck.c (build_function_call): Call
13033         check_builtin_function_arguments.
13034         * builtins.c (fold_builtin_classify): Remove error reporting code.
13035         (fold_builtin_unordered_cmp): Likewise.
13036         (fold_builtin_1): Likewise.
13037         (fold_builtin_n): Likewise.
13038
13039 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13040
13041         PR tree-optimization/36008
13042         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
13043         the original op1, rather than delta by step.
13044
13045 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
13046             Sebastian Pop  <sebastian.pop@amd.com>
13047
13048         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
13049         eliminate_local_variables_stmt, eliminate_local_variables,
13050         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
13051         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
13052         of code delimited by two edges in the CFG.
13053         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
13054         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
13055         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
13056         the case of parallelisation of reductions.
13057         (expr_invariant_in_region_p): New.
13058
13059         * tree-flow.h (gather_blocks_in_sese_region): Declared.
13060         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
13061
13062 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13063             Richard Guenther  <rguenther@suse.de>
13064
13065         PR tree-optimization/36034
13066         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
13067         incapable of dealing with loads with gaps.
13068
13069 2008-04-24  Rafael Espindola  <espindola@google.com>
13070
13071         * tree-flow.h (vrp_evaluate_conditional): Change signature.
13072         * tree-ssa-propagate.c (fold_predicate_in): Update call to
13073         vrp_evaluate_conditional.
13074         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
13075         (vrp_evaluate_conditional): Split the cond argument.
13076         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
13077         (simplify_stmt_for_jump_threading): Update call to
13078         vrp_evaluate_conditional.
13079
13080 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13081
13082         PR tree-optimization/35982
13083         * tree-vect-analyze.c (vect_check_interleaving): Check that the
13084         interleaved data-refs are of the same type.
13085
13086 2008-04-24  Danny Smith  <dannysmith@users.net>
13087
13088         * c-format.c (check_format_info_main): Use strncmp rather than a
13089         magic prefix to handle multichar length specs.
13090         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
13091         Don't prefix "I64" and "I32" with '\0'.
13092
13093 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13094
13095         PR target/36015
13096         * config/i386/i386.c (init_cumulative_args): Don't pass anything
13097         in registers for -m32 only if stdarg_p (fntype).
13098
13099 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
13100
13101         PR rtl-optimization/36006
13102         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
13103         temp to op0 in order to avoid invalid rtx sharing.
13104
13105 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13106
13107         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
13108         check TREE_INVARIANT.
13109         * tree-gimple.c (is_gimple_address): New.
13110         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
13111         * tree-gimple.h (is_gimple_address): New.
13112         * tree.h (decl_address_invariant_p): New.
13113         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
13114         (build_string): Likewise.
13115         (decl_address_invariant_p): New, from is_gimple_invariant_address.
13116         (tree_invariant_p_1): Likewise.
13117         (save_expr): Use it.
13118         (tree_invariant_p): New.
13119         (skip_simple_arithmetic): Use it.
13120         (stabilize_reference_1): Use it.
13121         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
13122         simplify.
13123         (build1_stat): Drop code to compute TREE_INVARIANT.
13124         (build2_stat): Drop code to compute TREE_INVARIANT.
13125         (build3_stat): Drop code to compute TREE_INVARIANT.
13126         (build4_stat): Drop code to compute TREE_INVARIANT.
13127         (build5_stat): Drop code to compute TREE_INVARIANT.
13128         (build7_stat): Drop code to compute TREE_INVARIANT.
13129         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
13130         * tree.h (struct tree_base): Remove invariant_flag.
13131         (TREE_INVARIANT): Remove.
13132         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
13133         (fold_builtin_expect): Check TREE_CONSTANT.
13134         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
13135         * c-tree.h (c_expr_to_decl): Drop third parameter.
13136         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
13137         (build_c_cast): Don't set TREE_INVARIANT.
13138         (pop_init_level): Don't set TREE_INVARIANT.
13139         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
13140         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
13141         TREE_CONSTANT.
13142         (gimplify_init_constructor): Don't set TREE_INVARIANT.
13143         (gimplify_addr_expr): Adjust comment.
13144         * tree-mudflap.c (mf_build_string):
13145         * print-tree.c (print_node): Don't print TREE_INVARIANT.
13146         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
13147         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
13148         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
13149         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
13150         * langhooks.h (struct lang_hooks): Drop third parameter from
13151         expr_to_decl.
13152
13153 2008-04-23  Richard Guenther  <rguenther@suse.de>
13154
13155         PR tree-optimization/27799
13156         PR tree-optimization/32921
13157         PR tree-optimization/32624
13158         * tree-ssa-structalias.c (merge_smts_into): Only merge the
13159         SMTs aliases and the tag itself into the solution.
13160         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
13161         merge the points-to solution back into the SMT aliases.
13162         (may_alias_p): Use alias_set_subset_of instead of
13163         aliases_conflict_p.  A pointer which points to
13164         memory with alias set zero may access any variable.
13165
13166 2008-04-23  Richard Guenther  <rguenther@suse.de>
13167
13168         * alias.c (alias_set_subset_of): Correctly handle asking
13169         if zero is a subset of an alias set with zero child.
13170         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
13171         (compute_flow_insensitive_aliasing): Correctly walk all
13172         pointers.  Do not unnecessarily union sets.
13173
13174 2008-04-23  Richard Guenther  <rguenther@suse.de>
13175
13176         PR middle-end/36021
13177         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
13178
13179 2008-04-22  Tomas Bily  <tbily@suse.cz>
13180
13181         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
13182         unreachable case.
13183         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
13184         NON_LVALUE_EXPR.
13185         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
13186         * tree-ssa-structalias.c (get_constraint_for): Likewise.
13187         * tree-inline.c (estimate_num_insns_1): Likewise.
13188         * varasm.c (const_hash_1, compare_constant, copy_constant)
13189         (compute_reloc_for_constant, output_addressed_constants): Likewise.
13190         * emit-rtl.c (component_ref_for_mem_expr)
13191         (set_mem_attributes_minus_bitpos): Likewise.
13192         * expr.c (highest_pow2_factor, expand_expr_real_1, )
13193         (is_aligning_offset): Likewise.
13194         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
13195         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
13196         * dojump.c (do_jump): Likewise.
13197         * builtins.c (get_pointer_alignment, get_memory_rtx)
13198         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
13199         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
13200
13201 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
13202
13203         PR rtl-optimization/36017
13204         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
13205         expanding the library call.
13206
13207 2008-04-22  Ian Lance Taylor  <iant@google.com>
13208
13209         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
13210         than size_in_bytes.
13211
13212 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
13213
13214         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
13215         of LR/CTR moves for Power6.
13216
13217 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
13218
13219         PR middle-end/36003
13220         * passes.c (init_optimization_passes): Remove
13221         pass_fast_rtl_byte_dce.
13222
13223 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
13224
13225         PR target/29096
13226         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
13227         builtin functions to generate faster code.
13228         (_mm_cvtpu16_ps): Ditto.
13229         (_mm_cvtpi32x2_ps): Ditto.
13230
13231 2008-04-22  Nick Clifton  <nickc@redhat.com>
13232
13233         * common.opt (ftree-loop-distribution): Add Optimization
13234         attribute.
13235
13236         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
13237         (frv_expand_builtin_va_start): Likewise.
13238
13239         * config/arm/arm.c (thumb_find_work_register): Fix location of
13240         argument register count.
13241
13242 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
13243
13244         Support scheduling for ColdFire V1 and V3 microarchitecture.
13245         Improve scheduling of multiplication instructions.
13246
13247         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
13248         (mac): New instruction attribute.
13249         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
13250         (m68k_sched_mac): New variable.
13251         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
13252         Handle cfv1 and cfv3.
13253         (max_insn_size): New static variable.
13254         (struct _sched_ib): New type.
13255         (sched_ib): New static variable.
13256         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
13257         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
13258         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
13259         Update.
13260         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
13261         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
13262         new variables.  Update.
13263         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
13264         Add modeling of cfv3 instruction buffer.  Update.
13265         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
13266         * config/m68k/m68k.h (TUNE_CFV3): New macro.
13267         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
13268         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
13269         a particular reservation applies to.
13270         (type2): Reorganize attribute values.  Rename alu to alu_reg,
13271         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
13272         to mul_l and mul_w.
13273         (cf_ib_*): Simplify description of instruction buffer.
13274         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
13275         (cf_mem): Split into cf_mem1 and cf_mem2.
13276         (cf_v2_move_??): Rename to cfv12_alu_??.
13277         (cf_v2_move_l_??): Rename to cfv12_omove_??.
13278         (cf_v2_mul_??): Remove reservations.
13279         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
13280         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
13281         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
13282         appropriate place.
13283         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
13284         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
13285         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
13286         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
13287         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
13288         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
13289         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
13290         expansions of the above reservations for instructions of sizes
13291         1, 2 and 3 words.
13292
13293 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
13294
13295         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
13296
13297 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
13298
13299         * coverage.c: Include tree-pass.h.
13300         (coverage_counter_alloc): Print da_file_name to the dump file.
13301
13302 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
13303
13304         * sbitmap.c (sbitmap_range_empty_p): New function.
13305         * sbitmap.h (sbitmap_range_empty_p): New function.
13306         * bitmap.h: Now includes obstack.h.
13307
13308 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
13309             Kenneth Zadeck  <zadeck@naturalbridge.com>
13310
13311         * dbgcnt.def (ra_byte_scan): Added.
13312         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
13313         when the last hit happens for a counter.
13314         * timevar.def (TV_DF_BYTE_LR): New variable.
13315         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
13316         * passes.c (pass_fast_rtl_byte_dce): New pass.
13317         * fwprop.c (update_df): Added mode to call df_ref_create.
13318         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
13319         DF_REF_EXTRACT_OFFSET.
13320         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
13321         DF_BYTE_LR_OUT, df_byte_lr): New macro.
13322         (df_mm): New enum.
13323         (df_ref_extract): Added mode field.
13324         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
13325         DF_REF_EXTRACT_OFFSET.
13326         (DF_REF_EXTRACT_MODE): New macro.
13327         (df_byte_lr_bb_info): New structure.
13328         (df_print_byte_regset, df_compute_accessed_bytes,
13329         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
13330         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
13331         df_byte_lr_simulate_uses,
13332         df_byte_lr_simulate_artificial_refs_at_top,
13333         df_byte_lr_simulate_artificial_refs_at_end,
13334         df_compute_accessed_bytes): New function.
13335         (df_ref_create): Add parameter.
13336         (df_byte_lr_get_bb_info): New inline function.
13337         * df-scan.c (df_ref_record, df_uses_record,
13338         df_ref_create_structure): Added mode parameter.
13339         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
13340         df_defs_record, df_uses_record, df_get_conditional_uses,
13341         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
13342         df_entry_block_defs_collect, df_exit_block_uses_collect):
13343         Added mode parameter to calls to df_ref_record, df_uses_record,
13344         df_ref_create_structure.
13345         (df_ref_equal_p, df_ref_compare): Added test for modes.
13346         (df_ref_create_structure): Added code to set mode.  Renamed
13347         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
13348         DF_REF_EXTRACT_OFFSET.
13349         * df-core.c (df_print_byte_regset): New function.
13350         * df-byte-scan.c: New file.
13351         * df-problems.c (df_rd_transfer_function): Removed unnecessary
13352         calls to BITMAP_FREE.
13353         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
13354         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
13355         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
13356         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
13357         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
13358         df_byte_lr_local_compute, df_byte_lr_init,
13359         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
13360         df_byte_lr_transfer_function, df_byte_lr_free,
13361         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
13362         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
13363         df_byte_lr_simulate_uses,
13364         df_byte_lr_simulate_artificial_refs_at_top,
13365         df_byte_lr_simulate_artificial_refs_at_end): New function.
13366         * dce.c (byte_dce_process_block): New function.
13367         (dce_process_block): au is now passed in rather than computed
13368         locally.  Changed loops that look at artificial defs to not look
13369         for conditional or partial ones, because there never are any.
13370         (fast_dce): Now is able to drive byte_dce_process_block or
13371         dce_process_block depending on the kind of dce being done.
13372         (rest_of_handle_fast_dce): Add parameter to fast_dce.
13373         (rest_of_handle_fast_byte_dce): New function.
13374         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
13375         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
13376
13377 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
13378
13379         PR fortran/35019
13380         * gcc.h: Added fortran options that take arguments to
13381         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
13382         macros.
13383
13384 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
13385
13386         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
13387         scalarization if on the LHS and not a full access.
13388
13389 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13390
13391         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
13392
13393 2008-04-18  Rafael Espindola  <espindola@google.com>
13394
13395         * tree-vrp.c (find_case_label_index): Fix the binary search.
13396         (find_case_label_range): New.
13397         (vrp_visit_switch_stmt): Use find_case_label_range.
13398         (simplify_switch_using_ranges): Use find_case_label_range.
13399
13400 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
13401
13402         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
13403         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
13404
13405 2008-04-18  Tom Tromey  <tromey@redhat.com>
13406
13407         PR libcpp/15500:
13408         * doc/cpp.texi (Implementation-defined behavior): Mention
13409         -finput-charset.
13410
13411 2008-04-18  Ian Lance Taylor  <iant@google.com>
13412
13413         * fold-const.c (pointer_may_wrap_p): New static function.
13414         (fold_comparison): Add another test for pointer overflow.  Use
13415         pointer_may_wrap_p to disable some false positives.
13416
13417 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
13418
13419         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
13420         (fname_as_string): Match updated cpp_interpret_string prototype.
13421         (fix_string_type): Support char16_t* and char32_t*.
13422         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
13423         derivative) nodes.  Register as builtin if C++0x.
13424         (c_parse_error): Support CPP_CHAR{16,32}.
13425         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
13426         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
13427         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
13428         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
13429         CTI_CHAR32_ARRAY_TYPE>: New elements.
13430         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
13431         char32_type_node, signed_char32_type_node, char16_array_type_node,
13432         char32_array_type_node): New defines.
13433         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
13434         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
13435         (lex_string): Support CPP_STRING{16,32}, match updated
13436         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
13437         (lex_charconst): Support CPP_CHAR{16,32}.
13438         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
13439         and CPP_STRING{16,32}.
13440
13441 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
13442
13443         PR bootstrap/35457
13444         * aclocal.m4: Regenerate.
13445         * configure: Regenerate.
13446
13447 2008-04-18  Jan Hubicka  <jh@suse.cz>
13448
13449         * except.c (dw2_size_of_call_site_table,
13450         sjlj_size_of_call_site_table): Use vector API for call_site_record.
13451
13452         * cgraphbuild.c (build_cgraph_edges): Update.
13453         * tree-pass.h: Update comment.
13454         * final.c (leaf_function_p): Update.
13455         (leaf_renumber_regs): Update.
13456         (rest_of_clean_state): Update.
13457         * omp-low.c (expand_omp_parallel): Update.
13458         * ipa-reference.c (analyze_function): Update.
13459         * reorg.c (find_end_label): Update.
13460         (optimize_skip): Update.
13461         (fill_simple_delay_slots): Update.
13462         (fill_simple_delay_slots): Update.
13463         (make_return_insns): Update.
13464         (dbr_schedule): Update.
13465         * gimple-low.c (record_vars_into): Update.
13466         * cfgbuild.c (make_edges): Update.
13467         * function.c (assign_stack_local): Update.
13468         (assign_parm_adjust_stack_rtl): Update.
13469         (locate_and_pad_parm): Update.
13470         (allocate_struct_function): Do not initialize stack_alignment_needed
13471         and preferred_stack_boundary here.
13472         (stack_protect_prologue): Update.
13473         (stack_protect_epilogue): Update.
13474         (expand_function_start): Initialize stack_alignment_needed,
13475         preferred_stack_boundary and max_jumptable_ents.
13476         (expand_function_end): Update.
13477         (free_after_compilation): Do not NULLify epilogue_delay_list.
13478         * function.h (struct rtl_data): Add stack_protect_guard,
13479         stack_alignment_needed,
13480         preferred_stack_boundary, epilogue_delay_list.
13481         (struct function): Remove value_histograms, stack_alignment_needed,
13482         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
13483         last_label_uid,
13484         unexpanded_var_list, stack_protect_guard.
13485         (current_function_epilogue_delay_list): Remove.
13486         * ipa-type-escape.c (analyze_function): Update.
13487         * gimplify.c (pop_gimplify_context): Update comment.
13488         * calls.c (expand_call): Update.
13489         (emit_library_call_value_1): Update.
13490         * except.c (set_nothrow_function_flags): Update.
13491         * cfgexpand.c (get_decl_align_unit): Update.
13492         (create_stack_guard): Update.
13493         (estimated_stack_frame_size): Update.
13494         (expand_used_vars): Update.
13495         (tree_expand_cfg): Free histogram earliers, init expansion variables.
13496         * explow.c (allocate_dynamic_stack_space): Update.
13497         * tree-ssa-live.c (remove_unused_locals): Update.
13498         * varasm.c (mark_constant_pool): Update.
13499         * tree-inline.c (remap_decls): Update.
13500         (initialize_cfun): Update.
13501         (declare_return_variable): Update.
13502         (inline_forbidden_p): Update.
13503         (expand_call_inline): Update.
13504         (declare_inline_vars): Update.
13505         (tree_function_versioning): Update.
13506         * tree-flow.h (value_histograms): New.
13507         (VALUE_HISTOGRAMS): New macro.
13508         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
13509         last_label_uid.
13510         * tree-cfg.c (set_bb_for_stmt): Update.
13511         (replace_by_duplicate_decl): Update.
13512         (move_block_to_fn): Update.
13513         (new_label_mapper): Update.
13514         (dump_function_to_file): Update.
13515         * ipa-struct-reorg.c (build_data_structure): Update.
13516         * cfgrtl.c (print_rtl_with_bb): Update.
13517         * reload1.c (reload): Update.
13518         (reload): Update.
13519         * config/i386/i386.c (setup_incoming_varargs_64,
13520         ix86_compute_frame_layout): Update.
13521         * config/arc/arc.c (arc_output_function_epilogue): Update.
13522
13523 2008-04-18  Marius Strobl <marius@FreeBSD.org>
13524
13525         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
13526         for FreeBSD as well.
13527         * gthr-posix95.h: Likewise.
13528
13529 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
13530
13531         PR rtl-optimization/35838
13532         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
13533         out the byte offset of the first subreg.
13534
13535 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
13536
13537         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
13538         to split_ti instead of three separate calls with single member arrays.
13539         (subti3 splitter): Ditto.
13540         (adddi3 splitter): Ditto with split_di.
13541         (subdi3 splitter): Ditto.
13542         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
13543         two separate calls with single member arrays.  Swap match_dup
13544         operands 1 and 2 to better fit into the array.
13545         (negdi2 splitter): Ditto with split_di.
13546         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
13547         two separate calls with single member arrays.  Swap match_dup operands
13548         6 and 7 to better fit into the array.
13549
13550 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
13551
13552         * config/i386/i386.c (sse_builtin_type): New.
13553         (bdesc_sse_args): Likewise.
13554         (bdesc_sse_3arg): Removed.
13555         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
13556         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
13557         IX86_BUILTIN_ROUNDPS.
13558         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
13559         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
13560         IX86_BUILTIN_ROUNDPS.
13561         (ix86_expand_sse_4_operands_builtin): Removed.
13562         (ix86_expand_sse_operands_builtin): New.
13563         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
13564         and CODE_FOR_sse4_1_roundps.
13565         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
13566         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
13567
13568 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
13569
13570         PR target/35907
13571         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
13572         regs before frame pop when needed.  If use_backchain_to_restore_sp
13573         then load backchain into a temp reg to restore vr and vrsave.  Add
13574         code to restore vr after frame pop if possible.
13575
13576 2008-04-17  Richard Guenther  <rguenther@suse.de>
13577
13578         * tree-vn.c (expressions_equal_p): Do not check type
13579         equality or compatibility before calling operand_equal_p.
13580         * fold-const.c (operand_equal_p): Check equivalence of
13581         integer constants before bailing out due to signedness or
13582         precision differences.
13583         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
13584         spurious differences in type qualification.  Ignore types
13585         for COMPONENT_REFs at all.
13586
13587 2008-04-17  Christian Bruel  <christian.bruel@st.com>
13588
13589         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
13590         msw_skip comparison.
13591
13592 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
13593
13594         PR c/35739
13595         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
13596         reg type.
13597
13598         PR tree-optimization/35899
13599         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
13600         rather than TREE_OPERAND.
13601
13602 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
13603
13604         PR target/35944
13605         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
13606         temporary registers.  Change operand predicate to general_operand.
13607         (remainderxf3): Ditto.
13608
13609 2008-04-16  Richard Guenther  <rguenther@suse.de>
13610
13611         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
13612         * tree-affine.c (aff_combination_expand): Look through some
13613         conversions.
13614
13615 2008-04-15  Doug Kwan  <dougkwan@google.com>
13616
13617         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
13618         for hex printing.
13619         * tree-pretty-print.c (dump_generic_node): Ditto.
13620         * final.c (output_addr_const): Ditto.
13621         * dwarf2out.c (output_cfi): Ditto.
13622         * c-pretty-print.c (pp_c_integer_constant): Ditto.
13623         * print-rtl.c (print_rtx): Ditto.
13624         * print-tree.c (print_node_brief, print_node): Ditto.
13625         * c-common.c (match_case_to_enum_1): Ditto.
13626         * sched-vis.c (print_value): Ditto.
13627         * config/i386/i386.c (print_operand): Cast to long unsigned int
13628         for hex printing.
13629
13630 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
13631         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
13632         MS Windows VirtualProtect function.
13633
13634 2008-04-15  Jan Hubicka  <jh@suse.cz>
13635
13636         * gengtype.c (write_root): Param_is argument is OK.
13637         * expr.c (expand_expr_real_1): Update call of get_exception_*.
13638         * function.h: Include varray.h
13639         (rtl_eh): New stucture based on except.c one.
13640         (call_site_record): New forward declaration and vector type.
13641         * calls.c (emit_call_1): Do not call
13642         note_current_region_may_contain_throw.
13643         * except.c (eh_status): Remove cur_region, try_region since they are
13644         unused.
13645         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
13646         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
13647         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
13648         Remove call_site_data_used, call_site_data_size.
13649         Turn call_site_record into vector in function.h.
13650         (note_current_region_may_contain_throw): Remove.
13651         (get_exception_pointer, get_exception_filter): Do not take struct
13652         function argument; update.
13653         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
13654         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
13655         build_post_landing_pads, dw2_build_landing_pads,
13656         sjlj_assign_call_site_values, sjlj_mark_call_sites,
13657         sjlj_emit_function_enter, sjlj_emit_function_enter,
13658         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
13659         sjlj_build_landing_pads, finish_eh_generation,
13660         remove_exception_handler_label, remove_eh_handler,
13661         maybe_remove_eh_handler, add_reachable_handler,
13662         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
13663         add_action_record, collect_one_action_chain, add_call_site,
13664         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
13665         sjlj_output_call_site_table, output_function_exception_table,
13666         * except.h (note_current_region_may_contain_throw): Remove
13667         (get_exception_pointer, get_exception_filter): Do not take struct
13668         function argument.
13669         * Makefile.in (GTFILES): Put varargs before struct function.
13670
13671 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
13672
13673         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
13674         punt for STRING_CST.
13675         (get_constraint_for): Deal with STRING_CST here instead.
13676
13677 2008-04-15  Richard Guenther  <rguenther@suse.de>
13678
13679         * tree-ssa-propagate.c (substitute_and_fold): Substitute
13680         statements in a basic-block with a backward walk.  Do not
13681         substitute into dead statements but instead remove those.
13682
13683 2008-04-15  Richard Guenther  <rguenther@suse.de>
13684
13685         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
13686         to zero, thus disable creation of SFTs.
13687
13688 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
13689
13690         * tree-predcom.c (suitable_reference_p): Return false if the
13691         reference can throw.
13692
13693 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
13694
13695         PR c/35751
13696         * c-decl.c (finish_decl): If extern or static var has variable
13697         size, set TREE_TYPE (decl) to error_mark_node.
13698
13699 2008-04-15  Rafael Espindola  <espindola@google.com>
13700
13701         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
13702         variable arg1.
13703
13704 2008-04-15  Richard Guenther  <rguenther@suse.de>
13705
13706         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
13707         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
13708         (visit_reference_op_load): Do walk vuse-vdef chains on
13709         vn_reference_lookup.
13710         (visit_reference_op_store): But do not here.
13711         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
13712         vn_reference_lookup.
13713         (vn_lookup_with_vuses): But do so here.
13714
13715 2008-04-14  Ian Lance Taylor  <iant@google.com>
13716
13717         * fold-const.c (fold_overflow_warning): Remove assertion.
13718
13719 2008-04-15  Ben Elliston  <bje@au.ibm.com>
13720
13721         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
13722         temp1 local variables.
13723
13724 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
13725
13726         PR target/35661
13727         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
13728         ".text.unlikely" section as executable.
13729
13730 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
13731
13732         * config/ia64/ia64.c (rtx_needs_barrier): Handle
13733         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
13734         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
13735         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
13736         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
13737         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
13738         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
13739
13740 2008-04-14  Ian Lance Taylor  <iant@google.com>
13741
13742         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
13743         * fold-const.c (fold_comparison): If appropriate, test
13744         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
13745         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
13746         reassociating a pointer type.
13747         * doc/invoke.texi (Optimize Options): Document that
13748         -fstrict-overflow applies to pointer wraparound.
13749
13750 2008-04-13  Jan Hubicka  <jh@suse.cz>
13751
13752         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
13753
13754 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
13755
13756         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
13757         we are going to "save the world".
13758
13759 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
13760
13761         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
13762         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
13763         operand 0 constraint, not "=".
13764
13765 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
13766
13767         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
13768
13769 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
13770
13771         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
13772         of size of positions_needed * CHAR_BIT.
13773
13774 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
13775
13776         PR middle-end/35897
13777         * dse.c (store_info): Change positions_needed to unsigned
13778         HOST_WIDE_INT.
13779         (lowpart_bitmask): New.
13780         (record_store): Cast to unsigned HOST_WIDE_INT for
13781         positions_needed.  Assert width <= size of positions_needed *
13782         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
13783         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
13784         lowpart_bitmask to set mask.
13785
13786 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
13787
13788         * config/bfin/constraints.md: New file.
13789         * config/bfin/bfin.md: Include it.
13790         (adddi3): Use satisfies_constraint functions instead of the old macros.
13791         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
13792         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
13793         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
13794         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
13795         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
13796         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
13797         EXTRA_CONSTRAINT): Delete.
13798         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
13799         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
13800         of the old macros.
13801         * config/bfin/bfin.c: Include "tm-constrs.h".
13802         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
13803         Use satisfies_constraint functions instead of the old macros.
13804         * doc/md.texi (Blackfin Constraints): Update file name reference.
13805
13806 2008-04-11  Richard Guenther  <rguenther@suse.de>
13807
13808         PR tree-optimization/35869
13809         * tree-vrp.c (execute_vrp): Move switch statement update after
13810         jump threading.  Schedule another cfg cleanup run.
13811
13812 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
13813
13814         PR c/35744
13815         * attribs.c (decl_attributes): Return early on errorneous node.
13816
13817 2008-04-10  Oleg Ryjkov  <olegr@google.com>
13818
13819         * tree.h (struct tree_base): Added a new flag default_def_flag.
13820         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
13821
13822 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
13823
13824         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
13825
13826 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13827
13828         PR target/35768
13829         * pa.md: Define mode iterator P.  Define mode attribute dwc.
13830         (dcacheflush): Update pattern to use iterator P and attribute dwc.
13831         (icacheflush): Likewise.
13832         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
13833         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
13834
13835 2008-04-11  Ben Elliston  <bje@au.ibm.com>
13836
13837         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
13838
13839 2008-04-10  Rafael Espindola  <espindola@google.com>
13840
13841         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
13842         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
13843         (extract_range_from_expr): The same.
13844
13845 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
13846
13847         * config/mips/mips.md (GPR2): New mode iterator.
13848         (seq): Add comment.
13849         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
13850         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
13851         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
13852         Rewrite these to take two modes, the mode of comparison and the
13853         mode of the destination.
13854         * config/mips/mips.c (mips_expand_scc): Instead of having
13855         paradoxical subreg as destination, expand "narrowing" scc if mode
13856         of comparison is SI and target is requested in DI mode.
13857         (mips_emit_int_order_test): Update comment.  Make mode of
13858         comparison match CMP0 rather than TARGET.  When creating inverse
13859         target use mode of TARGET.
13860
13861 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
13862
13863         * gcov-dump.c (tag_summary): Only print summaries for the first
13864         GCOV_COUNTERS_SUMMABLE counters.
13865
13866 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
13867
13868         * config/i386/i386.md (absneg): New code iterator.
13869         (absnegprefix): New code attribute.
13870         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
13871         patterns using absneg code iterator.
13872         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
13873         using absneg code iterator.
13874         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
13875         *neg<mode>2 patterns using absneg code iterator.
13876         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
13877         *negextendsfdf2 patterns using absneg code iterator.
13878         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
13879         *negextendsfxf2 patterns using absneg code iterator.
13880         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
13881         *negextendsfdf2 patterns using absneg code iterator.
13882         * config/i386/sse.md (<code><mode>2): Macroize expander from
13883         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
13884
13885 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
13886
13887         * config/s390/s390.h: Remove the remains of the recent search
13888         & replace action of current_function_outgoing_args_size.
13889
13890 2008-04-10  Ira Rosen  <irar@il.ibm.com>
13891
13892         PR tree-optimization/35821
13893         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
13894         NEW_STMT_LIST is not NULL.
13895
13896 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
13897
13898         PR libstdc++/35597
13899         * toplev.c (process_options): Remove -ffunction-sections debugging
13900         warning.
13901
13902 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
13903
13904         PR middle-end/PR28690
13905         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
13906         than gen_rtx_fmt_ee to perform more canonicalizations.
13907
13908 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13909
13910         PR driver/35665
13911         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
13912
13913 2008-04-09  Richard Guenther  <rguenther@suse.de>
13914
13915         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
13916         (dump_function_to_file): Dump function arguments with types.
13917
13918 2008-04-08  Richard Guenther  <rguenther@suse.de>
13919
13920         * fold-const.c (fold_widened_comparison): Do not allow
13921         sign-changes that change the result.
13922
13923 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
13924
13925         PR target/35839
13926         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
13927         kinds of indirect references.
13928
13929 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
13930
13931         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
13932         GNU Fortran language string.
13933
13934 2008-04-08  Rafael Espindola  <espindola@google.com>
13935
13936         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
13937         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
13938         * tree.h (tree_call_nonnegative_warnv_p): New.
13939
13940 2008-04-08  Jan Hubicka  <jh@suse.cz>
13941
13942         * function.c (free_after_compilation): Clear out regno_reg_rtx
13943         pointer.
13944
13945 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
13946
13947         Revert
13948         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
13949
13950         PR middle-end/PR28690
13951         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
13952         same precedence as REG_POINTER and MEM_POINTER operands.
13953
13954 2008-04-08  Richard Guenther  <rguenther@suse.de>
13955
13956         PR middle-end/35834
13957         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
13958         for adding index to base.
13959
13960 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
13961
13962         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
13963         (MINGW_ENABLE_EXECUTE_STACK): New.
13964         (IN_LIBGCC2): For libgcc include windows.h file for
13965         function declarations.
13966
13967 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
13968
13969         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
13970         and tem2 if tem1 is not a REG or MULT.
13971
13972 2008-04-08  Jan Hubicka  <jh@suse.cz>
13973
13974         * function.h (incomming_args): Break out of struct function.
13975         (function_subsections): Break out of struct function.
13976         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
13977         return_rtx and hard_reg_initial_vals from struct function.
13978         Kill inl_max_label_num.
13979         (current_function_pops_args, current_function_args_info,
13980         current_function_args_size, current_function_args_size,
13981         current_function_pretend_args_size,
13982         current_function_outgoing_args_size,
13983         current_function_internal_arg_pointer, current_function_return_rtx):
13984         Kill compatibility accestor macros.
13985         * builtins.c (expand_builtin_apply_args_1): Update.
13986         (expand_builtin_next_arg): Update.
13987         * df-scan.c (df_get_call_refs): Update.
13988         * dbxout.c (dbxout_function_end): Update.
13989         * dwarf2out.c (dwarf2out_switch_text_section): Update.
13990         (output_line_info): Update.
13991         (secname_for_decl): Update.
13992         (dwarf2out_var_location): Update.
13993         * function.c (free_after_compilation): Update.
13994         (assign_parm_find_stack_rtl): Update.
13995         (assign_parms): Update.
13996         (expand_dummy_function_end): Update.
13997         (expand_function_end): Update.
13998         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
13999         (expand_call): Update.
14000         (emit_library_call_value_1): Update.
14001         (store_one_arg): Update.
14002         * varasm.c (initialize_cold_section_name): Update.
14003         (unlikely_text_section): Update.
14004         (unlikely_text_section_p): Update.
14005         (assemble_start_function): Update.
14006         (assemble_end_function): Update.
14007         (default_section_type_flags): Update.
14008         (switch_to_section): Update.
14009         * integrate.c (set_decl_abstract_flags): Update.
14010         (get_hard_reg_initial_val): Update.
14011         (has_hard_reg_initial_val): Update.
14012         (allocate_initial_values): Update.
14013         * resource.c (init_resource_info): Update.
14014         * config/alpha/alpha.c (NUM_ARGS): Update.
14015         (direct_return): Update.
14016         (alpha_va_start): Update.
14017         (alpha_sa_size): Update.
14018         (alpha_initial_elimination_offset): Update.
14019         (alpha_expand_prologue): Update.
14020         (alpha_start_function): Update.
14021         (alpha_expand_epilogue): Update.
14022         (unicosmk_initial_elimination_offset):
14023         * config/alpha/alpha.md (call expander): Update.
14024         * config/s390/s390.c (s390_register_info): Update.
14025         (s390_register_info): Update.
14026         (s390_frame_info): Update.
14027         (s390_initial_elimination_offset): Update.
14028         (s390_build_builtin_va_list): Update.
14029         (s390_va_start): Update.
14030         * config/spu/spu.c (direct_return): Update.
14031         (spu_expand_prologue): Update.
14032         (spu_initial_elimination_offset): Update.
14033         (spu_build_builtin_va_list): Update.
14034         (spu_va_start): Update.
14035         * config/sparc/sparc.c (sparc_init_modes): Update.
14036         (sparc_compute_frame_size): Update.
14037         (function_value): Update.
14038         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
14039         * config/i386/i386.md (return expander): Update.
14040         * config/i386/i386.c (ix86_va_start): Update.
14041         (ix86_can_use_return_insn_p): Update.
14042         (ix86_compute_frame_layout): Update.
14043         (ix86_expand_epilogue): Update.
14044         * config/sh/sh.c (output_stack_adjust): Update.
14045         (calc_live_regs): Update.
14046         (sh_expand_prologue): Update.
14047         (sh_builtin_saveregs): Update.
14048         (sh_va_start): Update.
14049         (initial_elimination_offset): Update.
14050         (sh_allocate_initial_value): Update.
14051         (sh_function_ok_for_sibcall): Update.
14052         (sh_get_pr_initial_val): Update.
14053         * config/sh/sh.md (return expander): Update.
14054         * config/avr/avr.c (frame_pointer_required_p): UPdate.
14055         * config/crx/crx.c (crx_compute_frame): UPdate.
14056         (crx_initial_elimination_offset): UPdate.
14057         * config/xtensa/xtensa.c (compute_frame_size): Update
14058         (xtensa_builtin_saveregs): Update.
14059         (xtensa_va_start): Update.
14060         (order_regs_for_local_alloc): Update.
14061         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
14062         (xstormy16_expand_builtin_va_start): Update.
14063         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
14064         * config/m68hc11/m68hc11.md (return expanders): Update.
14065         * config/m68hc11/m68hc11.c (expand_prologue): Update.
14066         (expand_epilogue): Update.
14067         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
14068         (cris_simple_epilogue): Update.
14069         (cris_expand_prologue): Update.
14070         (cris_expand_epilogue): Update.
14071         * config/iq2000/iq2000.c (iq2000_va_start): Update.
14072         (compute_frame_size): Update.
14073         * config/mt/mt.c (mt_compute_frame_size): Update.
14074         * config/mn10300/mn10300.c (expand_prologue): Update.
14075         (expand_epilogue): Update.
14076         (initial_offset): Update.
14077         (mn10300_builtin_saveregs):
14078         * config/mn10300/mn10300.md (return expander): Update.
14079         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
14080         (ia64_initial_elimination_offset): Update.
14081         (ia64_initial_elimination_offset): Update.
14082         (ia64_expand_prologue): Update.
14083         * config/m68k/m68k.md (return expander): Update.
14084         * config/rs6000/rs6000.c (rs6000_va_start): Update.
14085         (rs6000_stack_info): Update.
14086         * config/mcore/mcore.c (layout_mcore_frame): Update.
14087         (mcore_expand_prolog): Update.
14088         * config/arc/arc.c (arc_compute_frame_size): Update.
14089         * config/score/score3.c (score3_compute_frame_size): Update.
14090         * config/score/score7.c (score7_compute_frame_size): Update.
14091         * config/arm/arm.c (use_return_insn): Update.
14092         (thumb_find_work_register): Update.
14093         (arm_compute_save_reg_mask): Update.
14094         (arm_output_function_prologue): Update.
14095         (arm_output_epilogue): Update.
14096         (arm_size_return_regs): Update.
14097         (arm_get_frame_offsets): Update.
14098         (arm_expand_prologue): Update.
14099         (thumb_exit): Update.
14100         (thumb_unexpanded_epilogue): Update.
14101         (thumb1_output_function_prologue): Update.
14102         * config/pa/pa.md (return expander): Update.
14103         * config/pa/pa.c (compute_frame_size): Update.
14104         (hppa_builtin_saveregs): Update.
14105         * config/mips/mips.c (mips_va_start): Update.
14106         (mips16_build_function_stub): Update.
14107         (mips_compute_frame_info): Update.
14108         (mips_restore_gp): Update.
14109         (mips_output_function_prologue): Update.
14110         (mips_expand_prologue): Update.
14111         * config/v850/v850.c (compute_frame_size): Update.
14112         (expand_prologue): * config/mmix/mmix.c (along): update.
14113         (mmix_initial_elimination_offset): update.
14114         (mmix_reorg): update.
14115         (mmix_use_simple_return): update.
14116         (mmix_expand_prologue): update.
14117         (mmix_expand_epilogue): Update.
14118         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
14119         (emit_link_insn): Update.
14120
14121 2008-04-08  Anatoly Sokolov <aesok@post.ru>
14122
14123         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
14124         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
14125         instructions.
14126         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
14127         atmega103 device.
14128
14129 2008-04-07  Jan Hubicka  <jh@suse.cz>
14130
14131         * function.h (rtl): Rename to x_rtl.
14132         (crtl): New define.
14133         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
14134         frame_offset, stack_check_probe_note, arg_pointer_save_area,
14135         used_temp_slots avail_temp_slots, temp_slot_level,
14136         nonlocal_goto_handler_labels): Update accesstors.
14137         (rtl): New global variable.
14138         (struct function): Move some fileds to rtl_data.
14139         (get_arg_pointer_save_area): Update prototype.
14140         * builtins.c (expand_builtin_setjmp_receiver): Update call of
14141         get_arg_pointer_save_area.
14142         * expr.c (init_expr): Update
14143         * function.c (get_frame_size): Update
14144         (assign_stack_local): Update
14145         (expand_function_end): Update.
14146         (get_art_pointer_save_area): Update
14147         * function.h
14148         * emit-rtl.c (rtl): Declare.
14149         (regno_reg_rtx): Declare.
14150         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
14151         Update.
14152         (gen_reg_rtx): Update.
14153         * varasm.c (n_deferred_constatns): Update accestor.
14154         (init_varasm_status): Do not allocate varasm_status.
14155         (force_const_mem, get_pool_size, output_constant_pool): Update.
14156         * stmt.c (force_label_rtx): Do not use x_ prefixes.
14157         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
14158         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
14159         * sparc/sparc.h (INIT_EXPANDERS): Update.
14160         * ia64/ia64.h (INIT_EXPANDERS): Update.
14161
14162 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
14163
14164         * reload.c (push_secondary_reload): Add missing break to for loop.
14165
14166 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14167
14168         PR middle-end/PR28690
14169         * rtlanal.c: Update copyright years.
14170         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
14171         as REG_POINTER and MEM_POINTER operands.
14172         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
14173         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
14174         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
14175         * gcse.c: Update copyright years.
14176         (pre_delete): Call gen_reg_rtx_and_attrs.
14177         (hoist_code): Likewise.
14178         (build_store_vectors): Likewise.
14179         (delete_store): Likewise.
14180         * loop-invariant.c (move_invariant_reg): Likewise.
14181         Update copyright years.
14182
14183 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
14184
14185         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
14186         control string instead of quoted.
14187
14188 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
14189
14190         * doc/rtl.texi: Rewrite of subreg section.
14191
14192 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
14193
14194         PR/35842
14195         * config/i386/i386.c (legitimize_pic_address): Add treating
14196         of dllimport SYM_REF's.
14197         (legitimize_dllimport_symbol): Add prototype.
14198
14199 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14200
14201         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
14202         reference in constructor with non self-referential type.
14203
14204 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14205
14206         Removal of Return with Depressed Stack Pointer support
14207         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
14208         (ECF_SP_DEPRESSED): Likewise.
14209         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
14210         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
14211         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14212         (expand_call): Do not test ECF_SP_DEPRESSED.
14213         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14214         * function.c (keep_stack_depressed): Delete.
14215         (handle_epilogue_set): Likewise.
14216         (update_epilogue_consts): Likewise.
14217         (emit_equiv_load): Likewise.
14218         (thread_prologue_and_epilogue_insns): Remove support for Return with
14219         Depressed Stack Pointer.
14220         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14221
14222 2008-04-06  Richard Guenther  <rguenther@suse.de>
14223
14224         PR tree-optimization/35400
14225         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
14226         information from SSA_NAMEs.
14227
14228 2008-04-06  Anatoly Sokolov <aesok@post.ru>
14229
14230         * config/avr/avr.h (avr_mega_p): Remove declaration.
14231         (AVR_MEGA): Remove macro.
14232         * config/avr/avr.c (avr_mega_p): Remove variable.
14233         (avr_override_options): Remove inicializion of avr_mega_p.
14234         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
14235         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
14236         (avr_jump_mode): (Ditto.).
14237         (avr_output_progmem_section_asm_op): (Ditto.).
14238         (avr_asm_init_sections): (Ditto.).
14239         (avr_asm_init_sections): (Ditto.).
14240         (avr_rtx_costs): (Ditto.).
14241         * config/avr/avr.md: (Ditto.).
14242         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
14243         '__AVR_MEGA__'.
14244
14245 2008-04-06  Richard Guenther  <rguenther@suse.de>
14246
14247         PR tree-optimization/35842
14248         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
14249         is_gimple_invariant_address.
14250
14251 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
14252
14253         * gcc.c (default_compilers): Sync Fortran extensions list with
14254         that in fortran/lang-specs.h.
14255         * doc/invoke.texi: Likewise.
14256         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
14257         * dwarf2out.c (gen_compile_unit_die): Likewise.
14258
14259 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
14260
14261         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
14262
14263 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
14264
14265         PR target/12329
14266         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
14267         attribute is used for nested functions.
14268
14269 2008-04-05  Jan Hubicka  <jh@suse.cz>
14270
14271         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
14272
14273         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
14274         letter argument.
14275         (dump_files): Update.
14276         (enable_rtl_dump_file): Do not accept letter argument.
14277         * tree-pass.h (dump_file_info): Remove letter argument.
14278         * toplev.c (decode_d_option): Update -da handling.
14279         * toplev.h (enable_rtl_dump_file): Update prototype.
14280         * passes.c (register_one_dump_file): Do not accept IPA argument; work
14281         it out based on pass type.
14282         (register_dump_files_1): Likewise.
14283         (init_optimization_passes): Update register_one_dump_file calls.
14284         (execute_one_pass): Sanity check that IPA passes are called at IPA
14285         level and RTL passes at RTL level.
14286         (execute_pass_list): IPA pass can not be after or subpass of
14287         GIMPLE/RTL pass.
14288         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
14289         disallov RTL subpasses of IPA subpasses.
14290
14291 2008-04-05  Ben Elliston  <bje@au.ibm.com>
14292
14293         * tree-cfg.c (need_fake_edge_p): Return false for calls to
14294         builtins that return exactly once and do not throw. Cache call to
14295         call_expr_flags.
14296
14297 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
14298
14299         PR rtl-optimization/34916
14300         PR middle-end/35519
14301         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
14302         between instruction pairs.
14303
14304 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
14305
14306         * doc/invoke.texi: Document -mbitops for SH.
14307         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
14308         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
14309         * config/sh/sh.c (print_operand): Add %t operand code.
14310         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
14311         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
14312         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
14313         (extendqihi2): Likewise.
14314         (movqi_i): Likewise.
14315         (insv): Use bset, bclr and bst instructions for SH2A if possible.
14316         (extv): Use bld instruction for SH2A if possible.
14317         (extzv): Likewise.
14318         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
14319         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
14320         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
14321         (bset.b, bclr.b): Define peepholes.
14322         * config/sh/sh.opt (mbitops): New option.
14323
14324 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
14325
14326         PR target/35620
14327         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
14328         and view convert expression.
14329
14330 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
14331
14332         PR target/35364
14333         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
14334
14335 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
14336
14337         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
14338
14339         * config/i386/cpuid.h (bit_AES): New.
14340         (bit_PCLMUL): Likewise.
14341
14342         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
14343         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
14344         SSE2 if AES or PCLMUL is enabled.
14345         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
14346         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
14347         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
14348         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
14349         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
14350         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
14351         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
14352         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
14353         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
14354         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
14355         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
14356         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
14357         __builtin_ia32_aeskeygenassist128 and
14358         __builtin_ia32_pclmulqdq128.
14359         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
14360         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
14361         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
14362
14363         * config/i386/i386.h (TARGET_AES): New.
14364         (TARGET_PCLMUL): Likewise.
14365         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
14366
14367         * config/i386/i386.md (UNSPEC_AESENC): New.
14368         (UNSPEC_AESENCLAST): Likewise.
14369         (UNSPEC_AESDEC): Likewise.
14370         (UNSPEC_AESDECLAST): Likewise.
14371         (UNSPEC_AESIMC): Likewise.
14372         (UNSPEC_AESKEYGENASSIST): Likewise.
14373         (UNSPEC_PCLMUL): Likewise.
14374
14375         * config/i386/i386.opt (maes): New.
14376         (mpclmul): Likewise.
14377
14378         * config/i386/sse.md (aesenc): New pattern.
14379         (aesenclast): Likewise.
14380         (aesdec): Likewise.
14381         (aesdeclast): Likewise.
14382         (aesimc): Likewise.
14383         (aeskeygenassist): Likewise.
14384         (pclmulqdq): Likewise.
14385
14386         * config/i386/wmmintrin.h: New.
14387
14388         * doc/extend.texi: Document AES and PCLMUL built-in function.
14389
14390         * doc/invoke.texi: Document -maes and -mpclmul.
14391
14392 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
14393
14394         * function.c (free_after_parsing): Replace with
14395         cxx_push_function_context from C++ front-end.
14396         (allocate_struct_function): Don't call langhook.
14397         * langhooks.h (struct lang_hooks_for_functions): Delete.
14398         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
14399         member "function".
14400         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
14401         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
14402         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
14403         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
14404         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
14405         remove LANG_HOOKS_FUNCTION_INITIALIZER.
14406         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
14407
14408         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
14409         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
14410
14411 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
14412
14413         PR c/35440
14414         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
14415         for all types.
14416
14417 2008-04-04  Richard Guenther  <rguenther@suse.de>
14418
14419         PR middle-end/35823
14420         * fold-const.c (optimize_minmax_comparison): Use the correct
14421         type for the constant in the simplified comparison.
14422
14423 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
14424
14425         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
14426         Pass L2 size as "--param l2-cache-size" to the compiler.
14427         (decode_l2_cache): New function to decode L2 cache parameters using
14428         0x8000006 extended cpuid function.
14429         (detect_caches_amd): Determine parameters of L2 cache using
14430         decode_l2_caches function.
14431         (decode_caches_intel): Decode L2 cache parameters.
14432         (detect_caches_intel): Determine L2 cache parameters using
14433         decode_caches_intel and decode_l2_caches functions.
14434
14435 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
14436
14437         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
14438         secondary input reload for subword loads from the constant pool.
14439
14440 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
14441
14442         PR target/35713
14443         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
14444           constants of the appropriate size for runtime calculations.
14445
14446         PR c/35712
14447         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
14448           decimal-float literal constant zero.
14449
14450 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
14451
14452         PR c/35738
14453         * c-parser.c (c_parser_omp_atomic): Call
14454         default_function_array_conversion on the RHS.
14455
14456         PR middle-end/35818
14457         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
14458         call is_variable_sized if decl has incomplete type.
14459
14460 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
14461
14462         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
14463
14464 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
14465
14466         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
14467         iterators.
14468         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
14469         (sgt<u>): Merge sgt and sgtu into new expander.
14470         (sgt, sgtu): Remove expanders.
14471         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
14472         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
14473         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
14474         *sgtu_<mode>_mips16 into new pattern.
14475         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
14476         (sge<u>): Merge sge and sgeu into new expander.
14477         (sge, sgeu): Remove expanders.
14478         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
14479         new pattern.
14480         (*sge_<mode>, second *sge_<mode>): Remove patterns.
14481         (slt<u>): Merge slt and sltu into new expander.
14482         (slt, sltu): Remove expanders.
14483         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
14484         (*slt_<mode>, *sltu_<mode>): Remove patterns.
14485         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
14486         *sltu_<mode>_mips16 into new pattern.
14487         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
14488         (sle<u>): Merge sle and sleu into new expander.
14489         (sle, sleu): Remove expanders.
14490         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
14491         (*sle_<mode>, *sleu_<mode>): Remove patterns.
14492         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
14493         *sleu_<mode>_mips16 into new pattern.
14494         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
14495
14496 2008-04-03  Jan Hubicka  <jh@suse.cz>
14497
14498         PR tree-optimization/35795
14499         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
14500         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
14501         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
14502         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
14503         * score/score3.c (score3_output_mi_thunk): Likewise.
14504         * score/score7.c (score7_output_mi_thunk): Likewise.
14505         * mips/mips.c (mips_output_mi_thunk): Likewise.
14506
14507 2008-04-03  Richard Guenther  <rguenther@suse.de>
14508
14509         * tree-vrp.c (extract_range_from_unary_expr): Handle all
14510         conversions.  Simplify code.
14511
14512 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
14513
14514         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
14515
14516 2008-04-03  Tom Tromey  <tromey@redhat.com>
14517             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14518
14519         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
14520         * config/bfin/t-bfin-linux (generated_files): Add
14521         linux-sysroot-suffix.h.
14522         * doc/install.texi (Prerequisites): Require make 3.80.
14523         * doc/sourcebuild.texi (Front End Directory): Document new
14524         variable.
14525         * Makefile.in (generated_files): New variable.
14526         (ALL_HOST_OBJS): New variable.
14527         ($(ALL_HOST_OBJS)): New target.
14528
14529 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
14530
14531         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
14532         (remap_block): Call id->transform_lang_insert_block instead
14533         of langhook.
14534         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
14535         Set id.transform_lang_insert_block to NULL.
14536         (clone_body): Move to cp/optimize.c
14537         * tree-inline.h (struct copy_body_data): Change
14538         transform_lang_insert_block to function pointer.
14539         (copy_generic_body, copy_decl_no_change): Export.
14540         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
14541         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
14542         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
14543
14544         * c-tree.h (insert_block): Kill.
14545         * c-decl.c (insert_block): Kill.
14546
14547 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
14548
14549         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
14550         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
14551         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
14552         argument.
14553         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
14554         argument, call {push,pop}_function_context from here.
14555         * c-parser.c: Use c_{push,pop}_function_context.
14556
14557         * function.c (push_function_context_to): Move meat ...
14558         (push_function_context): ... here.  Simplify.
14559         * function.c (pop_function_context_from): Move meat ...
14560         (pop_function_context): ... here.  Simplify.
14561         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
14562         leave_nested).
14563         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
14564         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
14565         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
14566         * tree.h (push_function_context_to, pop_function_context_from): Remove.
14567
14568 2008-04-03  Ben Elliston  <bje@au.ibm.com>
14569
14570         * expmed.c (extract_force_align_mem_bit_field): Remove.
14571
14572 2008-04-03  Richard Guenther  <rguenther@suse.de>
14573
14574         PR middle-end/35800
14575         * expr.h (try_casesi): Adjust prototype.
14576         * expr.c (try_casesi): Take fallback label as extra parameter.
14577         Use that for gen_casesi if default_label is NULL.
14578         * stmt.c (expand_case): Pass fallback label to try_casesi,
14579         make sure to fill gaps with a fallback label if default_label
14580         is not present.
14581
14582 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
14583
14584         PR target/35801
14585         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
14586
14587 2008-04-03  Ben Elliston  <bje@au.ibm.com>
14588
14589         * expmed.c (extract_split_bit_field): Remove if (0) code.
14590         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
14591         (do_ds_constraint): Likewise.
14592
14593 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
14594
14595         * doc/cppopts.texi (-dU): Document.
14596         * c-common.h (flag_dump_macros): Update comment.
14597         * c-opts.c (handle_OPT_d): Handle -dU.
14598         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
14599         dump_queued_macros, cb_used_define, cb_used_undef): New.
14600         (init_pp_output): Handle -dU.
14601         (cb_line_change): Call dump_queued_macros.
14602         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
14603
14604 2008-04-02  Anatoly Sokolov <aesok@post.ru>
14605
14606         * config/avr/predicates.md (io_address_operand): New predicate.
14607         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
14608         * config/avr/avr.c (avr_io_address_p): Remove function.
14609         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
14610         'avr_io_address_p' function.
14611         (out_movhi_r_mr): (Ditto.).
14612         (out_movqi_mr_r): (Ditto.).
14613         (out_movhi_mr_r): (Ditto.).
14614         (avr_address_cost): (Ditto.).
14615
14616 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
14617
14618         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
14619         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
14620         in 32bit mode when XMM registers are available to avoid store
14621         forwarding stalls.
14622         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
14623         corresponding post-reload splitters.
14624
14625 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
14626
14627         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
14628         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
14629         __builtin_ia32_roundss.
14630         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
14631         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
14632         __builtin_ia32_roundss.
14633         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
14634         IX86_BUILTIN_SHUFPD here.
14635
14636 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
14637
14638         * config/i386/i386.md (plogic): New.
14639         (plogicprefix): Likewise.
14640
14641         * config/i386/mmx.md (mmx_<code><mode>3): New.
14642         (mmx_and<mode>3): Removed.
14643         (mmx_ior<mode>3): Likewise.
14644         (mmx_xor<mode>3): Likewise.
14645
14646         * config/i386/sse.md (<code><mode>3): New.
14647         (*<code><mode>3): Likewise.
14648         (*<code><mode>3): Likewise.
14649         (<code><mode>3): Likewise.
14650         (*sse_<code><mode>3): Likewise.
14651         (*sse2_<code><mode>3): Likewise.
14652         (<code>tf3): Likewise.
14653         (*<code>tf3): Likewise.
14654         (and<mode>3): Likewise.
14655         (*and<mode>3): Likewise.
14656         (ior<mode>3): Removed.
14657         (*ior<mode>3): Likewise.
14658         (xor<mode>3): Likewise.
14659         (*xor<mode>3): Likewise.
14660         (*and<mode>3): Likewise.
14661         (*ior<mode>3): Likewise.
14662         (*xor<mode>3): Likewise.
14663         (and<mode>3): Likewise.
14664         (*sse_and<mode>3): Likewise.
14665         (*sse2_and<mode>3): Likewise.
14666         (andtf3): Likewise.
14667         (*andtf3): Likewise.
14668         (ior<mode>3): Likewise.
14669         (*sse_ior<mode>3): Likewise.
14670         (*sse2_ior<mode>3): Likewise.
14671         (iortf3): Likewise.
14672         (*iortf3): Likewise.
14673         (xor<mode>3): Likewise.
14674         (*sse_xor<mode>3): Likewise.
14675         (*sse2_xor<mode>3): Likewise.
14676         (xortf3): Likewise.
14677         (*xortf3): Likewise.
14678
14679 2008-04-02  Richard Guenther  <rguenther@suse.de>
14680
14681         PR tree-optimization/14495
14682         PR tree-optimization/34793
14683         * tree-vrp.c (struct switch_update): New structure.
14684         (to_remove_edges, to_update_switch_stmts): New VECs.
14685         (simplify_switch_using_ranges): New function.  Remove not taken
14686         case labels and edges.
14687         (simplify_stmt_using_ranges): Call it.
14688         (identify_jump_threads): Mark edges we have queued for removal
14689         so we don't thread them.
14690         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
14691         case label vector.
14692         * tree-cfg.c (group_case_labels): Deal with missing default label.
14693         (tree_verify_flow_info): Allow missing default label.
14694         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
14695         (emit_case_nodes): Likewise.
14696         (expand_case): Do not rely on the default label to be present.
14697         * expr.c (try_casesi): Deal with NULL default_label.
14698         (do_tablejump): Likewise.
14699
14700 2008-04-02  Richard Guenther  <rguenther@suse.de>
14701
14702         PR tree-optimization/14495
14703         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
14704         SWITCH_EXPR here ...
14705         (vrp_visit_switch_stmt): ... but here (new function).
14706         (find_case_label_index): New helper function.
14707         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
14708
14709 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14710
14711         * fwprop.c: Fix ISO-C99ism.
14712
14713 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14714
14715         PR bootstrap/35752
14716         * Makefile.in (objdir): Set it here.
14717         * configure.ac: Not here.  Find dynamic linker characteristics.
14718         * exec-tool.in: Use them.
14719         * aclocal.m4: Regenerate.
14720         * configure: Regenerate.
14721
14722 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14723
14724         * expr.c (expand_var): Delete it.
14725         * expr.h (expand_var): Delete prototype.
14726         * function.c (expand_function_start): Use expand_decl instead.
14727         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
14728         langhook.
14729
14730 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
14731
14732         PR rtl-optimization/35542
14733         * fwprop.c (forward_propagate_and_simplify): Replace
14734         loc_reg_mentioned_in_p with reg_mentioned_p.
14735
14736 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14737
14738         PR rtl-optimization/35281
14739         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
14740         (propagate_rtx_1): Handle PR_HANDLE_MEM.
14741         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
14742         (varying_mem_p): Move above propagate_rtx.
14743         (all_uses_available_at): Do not check MEMs.
14744
14745 2008-04-02  Rafael Espindola  <espindola@google.com>
14746
14747         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
14748         (register_edge_assert_for_2): Split the cond argument.
14749         (register_edge_assert_for_1): Adjust for the change in
14750         register_edge_assert_for_2.
14751         (register_edge_assert_for): Split the cond argument.
14752         (find_switch_asserts): Adjust for the change in
14753         register_edge_assert_for.
14754
14755 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
14756
14757         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
14758         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
14759         offsets for 64-bit mingw.
14760         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
14761         abi for x86_64-pc-mingw.
14762
14763 2008-04-02  Richard Guenther  <rguenther@suse.de>
14764
14765         * tree-vrp.c (extract_range_from_assert): Make sure to not
14766         produce range min/max with TREE_OVERFOW set.
14767         If merging a anti-range and a range keep the anti-range if
14768         the range covers all values of the type.
14769         (register_edge_assert_for_2): Only allow sign-changing
14770         conversions in detecting canonical range checks.  Also
14771         register an assert for the unsigned name if useful.
14772
14773         PR tree-optimization/35787
14774         * tree-vrp.c (vrp_val_max): New function.
14775         (vrp_val_min): Likewise.
14776         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
14777         (vrp_val_is_min): Likewise.
14778         (supports_overflow_infinity): Use vrp_val_{min,max}.
14779         (negative_overflow_infinity): Likewise.
14780         (positive_overflow_infinity): Likewise.
14781         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
14782         (is_positive_overflow_infinity): Likewise.
14783         (is_overflow_infinity): Likewise.
14784         (avoid_overflow_infinity): Use vrp_val_{min,max} and
14785         vrp_val_is_{min,max}.
14786         (set_and_canonicalize_value_range): Canonicalize anti-ranges
14787         to ranges if possible.  Avoid empty ranges.
14788
14789 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14790
14791         PR middle-end/35705
14792         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
14793         the expression is a function address.
14794
14795 2008-04-01  George Helffrich  <george@gcc.gnu.org>
14796
14797         PR fortran/35154, fortran/23057
14798         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
14799         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
14800         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
14801         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
14802         in common.
14803         (dbxout_syms): Check for COMMON-based symbol and wrap in
14804         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
14805         in bracket for efficiency.
14806
14807         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
14808         using DW_TAG_common_block + member offset.
14809         (add_pubname_string): New function.
14810         (dw_expand_expr): New function to find block name and offset for
14811         COMMON var.
14812         (common_check): New function to check whether symbol in Fortran COMMON.
14813         (gen_variable_die): If COMMON, use DW_TAG_common_block.
14814
14815 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
14816
14817         PR c/35436
14818         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
14819
14820 2008-04-02  Ben Elliston  <bje@au.ibm.com>
14821
14822         * config/v850/v850.md (casesi): Remove if (0) code.
14823         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
14824         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
14825
14826 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
14827
14828         * config/i386/i386.md (rex64suffix): New mode attribute.
14829         (floathi<mode>2): Disable expander for SSE math.
14830         (*floathi<mode>2_1): New insn insn_and_split pattern.
14831         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
14832         corresponding post-reload splitters.
14833         (*floathi<mode>2_i387): New macroized insn pattern.
14834         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
14835         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
14836         insn_and_split pattern.
14837         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
14838         New macroized instruction patterns and corresponding post-reload
14839         splitters.
14840         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
14841         and corresponding post-reload splitters.
14842         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
14843         New macroized instruction patterns.
14844         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
14845         macroized instruction patterns and corresponding post-reload splitters.
14846         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
14847         corresponding post-reload splitters.
14848         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
14849         New macroized instruction patterns.
14850         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
14851         corresponding post-reload splitters.
14852         (*floatsi<mode>2_i387): New macroized instruction patterns.
14853
14854 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
14855
14856         * config/i386/i386.md (smaxmin): New.
14857         (umaxmin): Likewise.
14858         (maxminiprefix): Likewise.
14859         (maxminfprefix): Likewise.
14860         (<code><mode>3): Likewise.
14861         (smin<mode>3): Removed.
14862         (smax<mode>3): Likewise.
14863
14864         * config/i386/mmx.md (mmx_<code>v2sf3): New.
14865         (mmx_<code>v4hi3): Likewise.
14866         (mmx_<code>v8qi3): Likewise.
14867         (mmx_smaxv2sf3): Removed.
14868         (mmx_sminv2sf3): Likewise.
14869         (mmx_umaxv8qi3): Likewise.
14870         (mmx_smaxv4hi3): Likewise.
14871         (mmx_uminv8qi3): Likewise.
14872         (mmx_sminv4hi3): Likewise.
14873
14874         * config/i386/sse.md (<addsub><mode>3): New.
14875         (*<addsub><mode>3): Likewise.
14876         (<sse>_vm<addsub><mode>3): Likewise.
14877         (<maxmin><mode>3): Likewise.
14878         (*<maxmin><mode>3_finite): Likewise.
14879         (*<maxmin><mode>3): Likewise.
14880         (<sse>_vm<maxmin><mode>3): Likewise.
14881         (sse3_h<addsub>v4sf3): Likewise.
14882         (sse3_h<addsub>v2df3): Likewise.
14883         (<maxmin>v16qi3): Likewise.
14884         (*<maxmin>v16qi3): Likewise.
14885         (<maxmin>v8hi3): Likewise.
14886         (*<maxmin>v8hi3): Likewise.
14887         (*sse4_1_<maxmin><mode>3): Likewise.
14888         (*sse4_1_<maxmin><mode>3): Likewise.
14889         (add<mode>3): Removed.
14890         (*add<mode>3): Likewise.
14891         (<sse>_vmadd<mode>3): Likewise.
14892         (sub<mode>3): Likewise.
14893         (*sub<mode>3): Likewise.
14894         (<sse>_vmsub<mode>3): Likewise.
14895         (smin<mode>3): Likewise.
14896         (*smin<mode>3_finite): Likewise.
14897         (*smin<mode>3): Likewise.
14898         (<sse>_vmsmin<mode>3): Likewise.
14899         (smax<mode>3): Likewise.
14900         (*smax<mode>3_finite): Likewise.
14901         (*smax<mode>3): Likewise.
14902         (<sse>_vmsmax<mode>3): Likewise.
14903         (sse3_haddv4sf3): Likewise.
14904         (sse3_haddv2df3): Likewise.
14905         (sse3_hsubv4sf3): Likewise.
14906         (sse3_hsubv2df3): Likewise.
14907         (umaxv16qi3): Likewise.
14908         (*umaxv16qi3): Likewise.
14909         (smaxv8hi3): Likewise.
14910         (*smaxv8hi3): Likewise.
14911         (*sse4_1_smax<mode>3): Likewise.
14912         (*sse4_1_umax<mode>3): Likewise.
14913         (uminv16qi3): Likewise.
14914         (*uminv16qi3): Likewise.
14915         (sminv8hi3): Likewise.
14916         (*sminv8hi3): Likewise.
14917         (*sse4_1_smin<mode>3): Likewise.
14918         (*sse4_1_umin<mode>3): Likewise.
14919
14920 2008-04-01  Rafael Espindola  <espindola@google.com>
14921
14922         * tree-cfg.c (verify_expr): remove in_phi.
14923         (verify_stmt): Don't call walk_tree with verify_expr. Use
14924         is_gimple_min_invariant instead of is_gimple_val.
14925
14926 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
14927
14928         * doc/include/gpl_v3.texi: Update for manpage generation.
14929         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
14930         gpl.texi.
14931         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
14932         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
14933         gpl_v3.texi instead of gpl.texi.
14934         (gpl.pod): New.
14935
14936 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
14937
14938         PR pch/13675
14939         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
14940
14941 2008-04-01  Rafael Espindola  <espindola@google.com>
14942
14943         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
14944         (extract_code_and_val_from_cond): Use
14945         extract_code_and_val_from_cond_with_ops.
14946
14947 2008-04-01  Jan Hubicka  <jh@suse.cz>
14948
14949         * function.c (free_after_compilation): Free epilogue_delay_list.
14950         (prepare_function_start): Assert that previous compilation was freed.
14951
14952 2008-04-01  Jan Hubicka  <jh@suse.cz>
14953             Jim Wilson  <wilson@tuliptree.org>
14954             Andreas Tobler <andreast@gcc.gnu.org>
14955
14956         PR middle-end/35781
14957         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
14958         rtl.emit instead cfun->emit.
14959         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
14960         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
14961
14962 2008-04-01  Ben Elliston  <bje@au.ibm.com>
14963
14964         * doc/c-tree.texi (Function Basics): Fix grammatical error.
14965
14966 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
14967
14968         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
14969         New options
14970         (fprofile-use): Add var flag_profile_use
14971         * coverage.c (coverage_begin_output): Do not open a gcno file for
14972         output only if -ftest-coverage is set.
14973         Do not add getpwd() to gcda file path.
14974         (build_gcov_info): Check the new flag
14975         flag_profile_datafile_relative_path.
14976         (coverage_init): Use profile_data_prefix.
14977         Read profile counter only if flag_profile_use is set.
14978         * opts.c (common_handle_option): New option fprofile-use=,
14979         fprofile-dir=, fprofile-generate=.
14980         * toplev.c (profile_data_prefix): New variable definition.
14981         * toplev.h (profile_data_prefix): New declaration.
14982         * doc/invoke.tex (Option Summary, Optimization Options):
14983         Add new options.
14984
14985 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
14986
14987         * varasm.c (output_constant_pool_1): In LABEL_REF check,
14988         use tmp consistently.
14989
14990         PR target/35695
14991         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
14992         * config/ia64/ia64.c (rtx_needs_barrier): Handle
14993         UNSPEC_FR_RECIP_APPROX_RES.
14994         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
14995
14996 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
14997
14998         PR c/35750
14999         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
15000
15001 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15002
15003         PR middle-end/30186
15004         * fold-const.c (fold_indirect_ref_1): Support accessing non first
15005         element of the vector via a pointer.
15006
15007 2008-03-31  Ian Lance Taylor  <iant@google.com>
15008
15009         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
15010
15011 2008-03-31  Jan Hubicka  <jh@suse.cz>
15012
15013         * builtins.c (expand_builtin_setjmp_receiver): Update call of
15014         get_arg_pointer_save_area.
15015         * expr.c (init_expr): Just clear out rtl.expr.
15016         * function.c (free_after_compilation): Clear out whole RTL structure.
15017         (get_func_frame_size): Merge into ...
15018         (get_frame_size): ... this one.
15019         (assign_stack_local_1): Merge into ...
15020         (assign_stack_local): ... this one.
15021         (expand_function_end): Update call of get_arg_pointer_save_area.
15022         (get_art_pointer_save_area): Remove cfun argument.
15023         * function.h (emit_status): regno_pointer_align does not need length
15024         attribute. Move x_regno_reg_rtx to ...
15025         (regno_reg_rtx): ... new global array.
15026         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
15027         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
15028         apply_args_value, forced_labels, stack_pointer_delta):
15029         Update accestors.
15030         (struct varasm_status): Move here from varasm.c
15031         (struct rtl_data): New. Move here some fields from struct function.
15032         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
15033         frame_offset, stack_check_probe_note, arg_pointer_save_area,
15034         used_temp_slots avail_temp_slots, temp_slot_level,
15035         nonlocal_goto_handler_labels): Update accesstors.
15036         (rtl): New global variable.
15037         (struct function): Move some fileds to rtl_data.
15038         (get_arg_pointer_save_area): Update prototype.
15039         * emit-rtl.c (rtl): Declare.
15040         (regno_reg_rtx): Declare.
15041         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
15042         Update.
15043         (gen_reg_rtx): Update.
15044         (init_virtual_regs): Do not tate emit_status argument.
15045         (init_emit): Do not allocate emit.
15046         * varasm.c (varasm_statuc): Move to function.h.
15047         (n_deferred_constatns): Update accestor.
15048         (init_varasm_status): Do not allocate varasm_status.
15049         (force_const_mem, get_pool_size, output_constant_pool): Update.
15050         * stmt.c (force_label_rtx): Do not use x_ prefixes.
15051         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
15052
15053 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
15054
15055         PR rtl-optimization/35729
15056         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
15057         references.
15058
15059 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
15060
15061         PR target/32000
15062         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
15063         load/store if memory is unaligned.
15064         (*movti_rex64): Likewise.
15065
15066         * config/i386/predicates.md (misaligned_operand): New.
15067
15068 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
15069
15070         PR tree-opt/35431
15071         * tree-ssa-phiopt.c (conditional_replacement): Return early for
15072         complex types.
15073
15074 2008-03-31  Jan Beulich  <jbeulich@novell.com>
15075
15076         * config/ia64/constraints.md: Add 'j' constraint.
15077         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
15078         (movdi_internal): Likewise.
15079
15080 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
15081
15082         PR c/35748
15083         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
15084
15085 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
15086
15087         PR target/35757
15088         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
15089         proper error message for the third argument on blendpd and
15090         blendps.
15091
15092         * config/i386/sse.md (blendbits): New.
15093         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
15094
15095 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
15096
15097         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
15098
15099 2008-03-30  Richard Guenther  <rguenther@suse.de>
15100
15101         PR middle-end/31023
15102         * fold-const.c (fold_sign_changed_comparison): Do leave
15103         conversions to base-types alone.
15104
15105 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15106
15107         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
15108         the link register if one altivec register is be saved.
15109
15110 2008-03-30  Ben Elliston  <bje@au.ibm.com>
15111
15112         * final.c (final_scan_insn): Remove if (0) code.
15113
15114 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
15115
15116         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
15117
15118 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
15119
15120         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
15121         of V4SFmode to ix86_binary_operator_ok.
15122
15123 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
15124
15125         * config/i386/i386.c (override_options): Initialize
15126         ix86_veclib_handler to ix86_veclibabi_svml when
15127         -mveclibabi=svml is used.
15128         (ix86_veclibabi_svml): New function for SVML ABI style
15129         vectorization support.
15130         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
15131
15132 2008-03-28  Rafael Espindola  <espindola@google.com>
15133
15134         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
15135         (tree_binary_nonnegative_warnv_p): Make it public.
15136         (tree_single_nonnegative_warnv_p): Make it public.
15137         (tree_invalid_nonnegative_warnv_p): Make it public.
15138         (tree_unary_nonzero_warnv_p): Make it public.
15139         (tree_binary_nonzero_warnv_p): Make it public
15140         (tree_single_nonzero_warnv_p): Make it public.
15141         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
15142         (extract_range_from_binary_expr): Split the expr argument.
15143         (extract_range_from_unary_expr): Split the expr argument.
15144         (extract_range_from_comparison): Split the expr argument.
15145         (extract_range_from_expr): Use the new aux functions.
15146         (vrp_evaluate_conditional_warnv): Use
15147         vrp_evaluate_conditional_warnv_with_ops.
15148         * tree.h (tree_unary_nonzero_warnv_p): Declare.
15149         (tree_binary_nonzero_warnv_p): Declare.
15150         (tree_single_nonzero_warnv_p): Declare.
15151         (tree_expr_nonzero_warnv_p): Declare.
15152         (tree_unary_nonnegative_warnv_p): Declare.
15153         (tree_binary_nonnegative_warnv_p): Declare.
15154         (tree_single_nonnegative_warnv_p): Declare.
15155         (tree_invalid_nonnegative_warnv_p): Declare.
15156
15157 2008-03-28  Richard Guenther  <rguenther@suse.de>
15158
15159         PR tree-optimization/30317
15160         PR tree-optimization/30911
15161         PR tree-optimization/34793
15162         * tree-vrp.c (set_and_canonicalize_value_range): New function.
15163         (struct assert_locus_d): New member EXPR.
15164         (register_new_assert_for): Add EXPR parameter to support
15165         ASSERT_EXPR <name, expr OP limit>.
15166         (register_edge_assert_for_1): Adjust callers.
15167         (find_assert_locations): Likewise.
15168         (process_assert_insertions_for): Build condition from expression.
15169         (extract_range_from_assert): Handle ASSERT_EXPRs
15170         of the form ASSERT_EXPR <name, expr OP limit>.
15171         (register_edge_assert_for_2): New helper registering
15172         asserts for comparisons.  Recognize range tests of the form
15173         (unsigned)i - CST1 OP CST2.
15174         (register_edge_assert_for_1): Use it.
15175         (register_edge_assert_for): Likewise.
15176         (needs_overflow_infinity): Integer sub-types
15177         do not need overflow infinities.
15178         (vrp_val_is_max): The extreme values of integer sub-types
15179         are those of the base type.
15180         (vrp_val_is_min): Likewise.
15181         * tree.def (ASSERT_EXPR): Document extra allowed conditional
15182         expressions.
15183
15184 2008-03-28  Nick Clifton  <nickc@redhat.com>
15185
15186         PR target/31110
15187         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
15188         Return GENERAL_REGS for stack adjustment reloads.
15189
15190 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15191
15192         PR target/31334
15193         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
15194         const_vector when all the vectors are constant.
15195
15196 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
15197
15198         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
15199         comparisons.
15200         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
15201         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
15202         (scc_sf): New.
15203         (s<code>_sf): Use new scc_sf attribute for opcode names.
15204
15205 2008-03-27  Tom Tromey  <tromey@redhat.com>
15206
15207         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
15208         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
15209         config/spu/t-spu-elf, config/i386/t-interix,
15210         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
15211         config/i386/x-darwin, config/i386/x-mingw32,
15212         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
15213         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
15214         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
15215         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
15216         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
15217         config/rs6000/x-darwin, config/rs6000/t-rs6000,
15218         config/score/t-score-elf, config/arm/t-strongarm-pe,
15219         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
15220         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
15221         Revert automatic dependency patch.
15222
15223 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15224
15225         PR target/35657
15226         * config/i386/i386.c (ix86_function_arg_boundary): Align
15227         decimal floating point to its natural boundary.
15228
15229 2008-03-27  Richard Guenther  <rguenther@suse.de>
15230
15231         PR middle-end/35716
15232         * fold-const.c (fold_comparison): Restrict distinct decl
15233         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
15234         solely rely on operand_equal_p.
15235
15236 2008-03-27  Richard Guenther  <rguenther@suse.de>
15237
15238         PR c/32511
15239         * c-common.c (handle_weak_attribute): Reject combination of
15240         weak and inline.
15241
15242 2008-03-27  Richard Guenther  <rguenther@suse.de>
15243
15244         PR tree-optimization/32810
15245         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
15246         conversions from DECL_INITIAL.
15247         (fold_const_aggregate_ref): Likewise from constructor elements.
15248
15249 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
15250
15251         * tree-affine.h (aff_combination_expand): Declare.
15252         (get_inner_reference_aff): Likewise.
15253         * tree-affine.c (aff_combination_expand): Split out from
15254         tree_to_aff_combination_expand.
15255         (get_inner_reference_aff): New function.
15256         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
15257         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
15258         (struct lim_aux_data): sm_done field removed.
15259         (mem_ref_loc_p, mem_ref_locs_p): New types.
15260         (struct mem_ref): Added id, stored, accesses_in_loop,
15261         indep_loop, dep_loop, indep_ref, dep_ref fields.
15262         Removed is_stored, locs and next fields.
15263         (memory_accesses): New variable.
15264         (movement_possibility): Do not allow moving statements
15265         that store to memory.
15266         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
15267         New functions.
15268         (determine_max_movement): For statements with memory references,
15269         find the outermost loop in that the reference is independent.
15270         (move_computations_stmt): Mark the virtual operands for renaming.
15271         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
15272         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
15273         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
15274         add_vop_ref_mapping, create_vop_ref_mapping_loop,
15275         create_vop_ref_mapping, analyze_memory_references,
15276         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
15277         get_all_locs_in_loop, ref_always_accessed_p,
15278         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
15279         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
15280         store_motion_loop, store_motion): New functions.
15281         (struct vop_to_refs_elt): New type.
15282         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
15283         memref_hash, memref_eq, hoist_memory_references): Rewritten.
15284         (schedule_sm): Replaced by...
15285         (execute_sm): ... this.
15286         (determine_lsm_ref, hoist_memory_references,
15287         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
15288         find_more_ref_vops, free_mem_ref, free_mem_refs,
15289         determine_lsm_loop, determine_lsm): Removed.
15290         (tree_ssa_lim_finalize): Free data structures used by store motion.
15291         (tree_ssa_lim): Call analyze_memory_references.  Use
15292         store_motion instead of determine_lsm.
15293
15294 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
15295
15296         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
15297         rename tmake_file to m68hc11/t-m68hc11.
15298         (mcore): Set inhibit_libc to true.
15299         * config.host (alpha*-dec-*vms*): Set extra_programs.
15300         (interix3*): Don't use host_xmake_file.
15301         * configure.ac: Let config.gcc override inhibit_libc.
15302         * configure: Regenerate.
15303
15304         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
15305         * config/t-openbsd-thread: Remove commented out lines.
15306
15307         * config/x-interix: Remove.
15308
15309         * config/m68hc11/t-m68hc11-gas: Rename to...
15310         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
15311
15312         * config/mcore/t-mcore: Remove T_CFLAGS.
15313         * config/mcore/t-mcore-pe: Likewise.
15314
15315 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
15316
15317         * configure.ac: Replace custom __GNU_SOURCE test with
15318         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
15319         * aclocal.m4: Regenerate.
15320         * configure: Regenerate.
15321         * config.in: Regenerate.
15322
15323 2008-03-27  Richard Guenther  <rguenther@suse.de>
15324
15325         * fold-const.c (target.h): Include.
15326         (fold_comparison): Fold comparison of addresses of decls
15327         that bind locally or of constants.  Consolidate address folding code.
15328         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
15329         results from fold_binary_to_constant.
15330         (compare_values_warnv): Likewise.
15331
15332 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
15333
15334         PR middle-end/35429
15335         * fold-const.c (fold_truthop): Check for integeral types when folding
15336         a == 0 && b == 0 and a != 0 || b != 0 .
15337
15338 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
15339
15340         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
15341
15342 2008-03-26  Andreas Schwab  <schwab@suse.de>
15343
15344         * doc/invoke.texi: Fix use of @item vs. @itemx.
15345
15346 2008-03-26  Tom Tromey  <tromey@redhat.com>
15347
15348         * Makefile.in (build/gensupport.o, build/print-rtl.o,
15349         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
15350         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
15351         build/gencodes.o, build/genconditions.o, build/genconfig.o,
15352         build/genconstants.o, build/genemit.o, build/genextract.o,
15353         build/genflags.o, build/genmddeps.o, build/genopinit.o,
15354         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
15355         options.h.
15356
15357 2008-03-26  Richard Guenther  <rguenther@suse.de>
15358
15359         Revert
15360         2008-03-26  Richard Guenther  <rguenther@suse.de>
15361
15362         * fold-const.c (target.h): Include.
15363         (fold_comparison): Fold comparison of addresses of two decls
15364         that bind locally.  Consolidate address folding code.
15365
15366 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15367
15368         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
15369         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
15370         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
15371         dconstsqrt2, dconstthird, dconste and/or dconst10.
15372         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
15373         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
15374         dconstsqrt2, dconste): Delete.
15375         (init_emit_once): Likewise.  Simplify initializing dconstm1.
15376         Constify variable.
15377         * real.c (get_real_const): New.
15378         * real.h (dconst3, dconst10, dconstm2, dconstthird,
15379         dconstsqrt2, dconste): Delete.
15380         (real_value_const, get_real_const): New.
15381
15382 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
15383
15384         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
15385
15386         * config/i386/i386.c (ix86_function_arg_boundary): Check
15387         BIGGEST_ALIGNMENT instead of 128.
15388         (setup_incoming_varargs_64): Likewise.
15389
15390 2008-03-26  Tom Tromey  <tromey@redhat.com>
15391
15392         * Makefile.in (DEPFILES): Add missing '/'.
15393
15394 2008-03-26  Richard Guenther  <rguenther@suse.de>
15395
15396         * fold-const.c (target.h): Include.
15397         (fold_comparison): Fold comparison of addresses of two decls
15398         that bind locally.  Consolidate address folding code.
15399
15400 2008-03-26  Nick Clifton  <nickc@redhat.com>
15401
15402         PR target/31232
15403         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
15404         not allow INT+INT as a legitimate addressing mode.
15405
15406 2008-03-26  Richard Guenther  <rguenther@suse.de>
15407
15408         * tree-flow.h (widen_bitfield): Remove declaration.
15409         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
15410         (widen_bitfield): Remove function.
15411         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
15412         code.
15413
15414 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15415
15416         PR target/31558
15417         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
15418         error_mark_node's.
15419
15420 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
15421
15422         PR rtl-optimization/35232
15423         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
15424         (forget_old_reloads_1, forget_marked_reloads): Don't clear
15425         reg_reloaded_call_part_clobbered here.
15426         (reload_regs_reach_end_p): New function.
15427         (reload_reg_rtx_for_input): New variable.
15428         (reload_reg_rtx_for_output): Likewise.
15429         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
15430         when reassigning a pseudo register.  Load reloadreg from
15431         reload_reg_rtx_for_input, moving the mode and register
15432         calculation to...
15433         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
15434         instead of the original when deciding whether an input reload
15435         would be a no-op or whether an output reload can be deleted.
15436         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
15437         when setting up new_spill_reg_store.  Load it from
15438         reload_reg_rtx_for_output, moving the mode and register
15439         calculation to...
15440         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
15441         instead of the original when deciding whether an output reload
15442         would be a no-op.  Do the same when modifying insn notes.
15443         Use rtx_equal_p instead of == to compare the registers.
15444         (inherit_piecemeal_p): Take a mode and two register numbers
15445         as argument.
15446         (emit_reload_insns): Clear new_spill_reg_store for every hard
15447         register in the reload register.  Remove spill registers
15448         from reg_reloaded_valid before considering whether to record
15449         inheritance information for them.  Use reload_reg_rtx_for_output
15450         instead of reg_rtx when recording output reloads.  Use
15451         reload_reg_rtx_for_input instead of reg_rtx when recording
15452         input reloads.  Set or clear reg_reloaded_call_part_clobbered
15453         at the same time as setting reg_reloaded_valid.
15454         (delete_output_reload): Add a new_reload_reg parameter and use it
15455         instead of rld[j].reg_rtx.
15456         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
15457         calls accordingly.
15458
15459 2008-03-25  Tom Tromey  <tromey@redhat.com>
15460
15461         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
15462         (build/genattr.o): Likewise.
15463         (build/genattrtab.o): Likewise.
15464         (build/gencodes.o): Likewise.
15465         (build/genconfig.o): Likewise.
15466         (build/genconstants.o): Likewise.
15467         (build/genemit.o): Likewise.
15468         (build/genextract.o): Likewise.
15469         (build/genflags.o): Likewise.
15470
15471 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
15472
15473         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
15474         instead of size_int for integer types.
15475         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
15476         to match type of MINUS_EXPR.
15477
15478 2008-03-25  Tom Tromey  <tromey@redhat.com>
15479
15480         * configure: Rebuilt.
15481         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
15482         Makefile.
15483
15484 2008-03-25  Tom Tromey  <tromey@redhat.com>
15485
15486         * config/x-solaris (host-solaris.o): Update.
15487         * config/x-linux (host-linux.o): Update.
15488         * config/x-hpux (host-hpux.o): Update.
15489         * config/x-darwin (host-darwin.o): Update.
15490         * config/v850/t-v850e (v850-c.o): Update.
15491         * config/v850/t-v850 (v850-c.o): Update.
15492         * config/t-vxworks (vxworks.o): Update.
15493         * config/t-sol2 (sol2-c.o, sol2.o): Update.
15494         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
15495         * config/spu/t-spu-elf (spu-c.o): Update.
15496         (spu.o): Remove.
15497         * config/sh/t-symbian (sh-c.o): Update.
15498         (symbian.o): Update.
15499         * config/sh/t-sh (sh-c.o): Update.
15500         * config/score/t-score-elf (score7.o, score3.o): Update.
15501         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
15502         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
15503         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
15504         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
15505         (rs6000.o): Remove.
15506         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
15507         * config/m32c/t-m32c (m32c-pragma.o): Update.
15508         * config/ia64/t-ia64 (ia64-c.o): Update.
15509         * config/i386/x-mingw32 (host-mingw32.o): Update.
15510         * config/i386/x-i386 (driver-i386.o): Update.
15511         * config/i386/x-darwin (host-i386-darwin.o): Update.
15512         * config/i386/x-cygwin (host-cygwin.o): Update.
15513         * config/i386/t-nwld (nwld.o): Update.
15514         * config/i386/t-netware (netware.o): Update.
15515         * config/i386/t-interix (winnt.o): Update.
15516         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
15517         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
15518         msformat-c.o): Update.
15519         * config/bfin/t-bfin-linux (generated_files): Add
15520         linux-sysroot-suffix.h.
15521         * config/arm/t-wince-pe (pe.o): Update.
15522         * config/arm/t-strongarm-pe (pe.o): Update.
15523         * config/arm/t-pe (pe.o): Update.
15524         * config/arm/t-arm (arm-c.o): Update.
15525         * doc/install.texi (Prerequisites): Require make 3.80.
15526         * Makefile.in: Remove .o targets.
15527         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
15528         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
15529         (simple_generated_h, simple_generated_c): Move earlier.
15530         (generated_files): New variable.
15531         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
15532         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
15533         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
15534         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
15535         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
15536         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
15537         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
15538         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
15539         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
15540         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
15541         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
15542         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
15543         (.c.o): Remove.
15544         (COMPILE.base, COMPILE): New variables.
15545         (%.o): New pattern rule.
15546         (ALL_HOST_OBJS): New variable.
15547         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
15548         (dummy-checksum.o, cc1-checksum.o): Remove.
15549         (DRIVER_SHLIB): New variable.
15550         (DRIVER_DEFINES): Use it.
15551         (gencondmd.c): Move out of build/.
15552         (s-conditions): Update.
15553         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
15554         (ALL_BUILD_OBJS): Likewise.
15555         (build/%.o): Use BUILDCOMPILE.
15556         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
15557         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
15558         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
15559         build/gencheck.o, build/gencodes.o, build/genconditions.o,
15560         build/genconfig.o, build/genconstants.o, build/genemit.o,
15561         build/genextract.o, build/genflags.o, build/genmddeps.o,
15562         build/genopinit.o, build/genoutput.o, build/genpeep.o,
15563         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
15564         build/gen-protos.o, build/scan.o, build/fix-header.o,
15565         build/scan-decls.o): Simplify.
15566         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
15567         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
15568         prefix.o, toplev.o): Reduce to variable setting.
15569         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
15570         ($(out_object_file), gcc-options.o): New targets.
15571         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
15572         * configure: Rebuilt.
15573         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
15574         * doc/sourcebuild.texi (Front End Directory): Document new variable.
15575
15576 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
15577
15578         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
15579         complain when we hit an error, return ERROR_MARK_NODE.
15580
15581 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
15582
15583         * config/sh/constraints.md (Pso, Psz): New constraints.
15584         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
15585         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
15586
15587 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
15588
15589         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
15590         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
15591
15592 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
15593
15594         * config/sh/sh.md (prefetch): Add condition for SH2A target.
15595         (prefetch_sh2a): New.
15596
15597 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
15598             Naveen.H.S  <naveen.hs@kpitcummins.com>
15599
15600         * config/sh/constraints.md (I28): New constraint.
15601         * config/sh/sh.c (broken_move): Add support for movi20s.
15602         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
15603
15604 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
15605             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
15606             Naveen.H.S  <naveen.hs@kpitcummins.com>
15607
15608         * config/sh/sh.c (SH_ATTRIBUTES): Define.
15609         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
15610         (print_operand): Handle resbank in %@ operand code.
15611         (sh_encode_section_info): New.
15612         (push_regs): Add conditions for resbank.
15613         (sh_expand_epilogue): Likewise.
15614         (sh_insert_attributes): Likewise.
15615         (sh_attribute_table): Likewise.
15616         (sh_handle_resbank_handler_attribute): New.
15617         (sh2a_handle_function_vector_handler_attribute): New.
15618         (sh2a_is_function_vector_call): New.
15619         (sh2a_get_function_vector_number): New.
15620         (sh2a_function_vector_p): New.
15621         (sh_cfun_resbank_handler_p): New.
15622         * config/sh/sh.md (calli): Emit jsr/n if possible.
15623         (calli_tbr_rel): New.
15624         (calli_pcrel): Emit jsr/n if possible.
15625         (return_i): Emit rts/n if possible.
15626         (call_valuei_tbr_rel): New.
15627         (call_valuei_pcrel): Add condition for SH2A target.
15628         (call_value): Likewise.
15629         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
15630         (sh2a_get_function_vector_number): Likewise.
15631         (sh2a_is_function_vector_call): Likewise.
15632         * doc/extend.texi: Document TBR relative addressing of SH2A.
15633         (resbank): Add description for SH2A.
15634
15635 2008-03-24  Richard Guenther  <rguenther@suse.de>
15636
15637         PR c/22371
15638         * gimplify.c (gimplify_modify_expr): For frontend type-correct
15639         pointer assignments change conversions according to middle-end rules.
15640         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
15641         * configure.ac: Include type checking in yes.
15642         * configure: Regenerate.
15643
15644 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15645
15646         * diagnostic.c (diagnostic_count_diagnostic): Delete.
15647         (diagnostic_report_diagnostic): Update. Handle ICEs here.
15648
15649 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
15650
15651         * gthr-vxworks.h (UNUSED): Define.
15652
15653 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
15654
15655         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
15656
15657 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
15658
15659         * doc/extend.texi (Function Attributes): Add missing comma in the
15660         example of the "alloc_size" attribute.
15661
15662 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
15663
15664         Revert:
15665         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
15666
15667         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
15668         32bit host.
15669
15670         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
15671
15672         PR target/35496
15673         * stor-layout.c (update_alignment_for_field): Set minimum alignment
15674         of the underlying type of a MS bitfield layout to the natural
15675         alignment of the type.
15676
15677         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
15678
15679         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
15680         to their natural alignment to avoid store forwarding stalls.
15681
15682 2008-03-22  Richard Guenther  <rguenther@suse.de>
15683
15684         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
15685         For PHI nodes verify the address is invariant.
15686         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
15687         (get_symbol_constant_value): Use is_gimple_min_invariant.
15688         (maybe_fold_stmt_indirect): Likewise.
15689
15690 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
15691
15692         PR rtl-optimization/33927
15693         * Makefile.in (dse.o): Depend on $(TM_P_H).
15694         * expr.h (extract_low_bits): Declare.
15695         * expmed.c (extract_low_bits): New function.
15696         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
15697         * dse.c: Include tm_p.h.
15698         (find_shift_sequence): Remove the read_reg argument and return the
15699         read value.  Emit the instructions instead of returning them.
15700         Iterate on new_mode rather than calculating it each time.
15701         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
15702         source to NEW_MODE and extract_low_bits to convert the shifted
15703         value to READ_MODE.
15704         (replace_read): Allow the load and store to have different mode
15705         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
15706         or extraction instructions before trying the replacement.  Update
15707         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
15708
15709 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
15710
15711         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
15712         to their natural alignment to avoid store forwarding stalls.
15713
15714 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15715
15716         PR target/27946
15717         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
15718         encouraging but not allowing gprs for input;
15719         change the input constraint to !f#r.
15720         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
15721         gprs for output;
15722         change the output constraint to !f#r.
15723
15724 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
15725
15726         PR target/13958
15727         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
15728         corresponding post-reload splitters.
15729         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
15730         when x87 FP math is selected.
15731         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
15732         New function prototype.
15733         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
15734         unreachable function to ease macroization of insn patterns.
15735
15736 2008-03-21  Martin Jambor  <mjambor@suse.cz>
15737
15738         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
15739         reference dumps if ddr is NULL or dependence is unknown.
15740
15741 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
15742
15743         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
15744         unsigned extension into account.
15745         (ATOMIC_COMPARE_AND_SWAP): Likewise.
15746         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
15747         Do computations on a scratch register.
15748
15749 2008-03-21  Richard Guenther  <rguenther@suse.de>
15750
15751         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
15752         Use is_gimple_min_invariant instead of TREE_INVARIANT.
15753         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
15754         * tree-ssa-dom.c (record_equality): Likewise.
15755         * tree-inline.c (copy_body_r): Likewise.
15756         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
15757         TREE_INVARIANT.
15758
15759 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
15760
15761         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
15762         as 'delete_unused' argument.
15763
15764 2008-03-20  Richard Guenther  <rguenther@suse.de>
15765
15766         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
15767         special casing of constant qualifiers.
15768         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
15769         care about them in general.
15770         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
15771         regardless of their type.
15772         (fold_stmt_r): Forcefully fold *& if we end up with that.
15773
15774 2008-03-20  Paul Brook  <paul@codesourcery.com>
15775
15776         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
15777         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
15778         linker flags.
15779         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
15780         definition.
15781         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
15782         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
15783
15784 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
15785
15786         * common.opt (Wmudflap): New option.
15787         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
15788         (mx_register_decls): Likewise.
15789         (mudflap_finish_file): Likewise.
15790         * doc/invoke.texi: Document -Wno-mudflap.
15791
15792 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
15793
15794         * c-format.c (replace_format_name_to_system_name): New.
15795         (cmp_attribs): New.
15796         (convert_format_name_to_system_name): New.
15797         (decode_format_attr): Add use of convert_format_name_to_system_name.
15798         (format_types_orig): Add gnu_ prefix to names.
15799         (check_format_info_main): Special treating of \0 escaped names for
15800         supporting multi-character format specifiers as I32, I64.
15801         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
15802         (gnu_target_overrides_format_attributes): New.
15803         * c-format.h: Add structure target_ovr_attr to hold
15804         system specific formatter names.
15805         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
15806         msformat-c.o file to c_target_objs and cxx_target_objs.
15807         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
15808         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
15809         (TARGET_N_FORMAT_TYPES): New.
15810         * config/i386/msformat-c.c: New.
15811         * config/i386/t-cygming: Add build rule for msformat-c.o.
15812         * doc/extend.texi: Add new format names gnu_* and ms_* and
15813         further details.
15814         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
15815
15816 2008-03-20  Ira Rosen  <irar@il.ibm.com>
15817
15818         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
15819         optimizations turned on under -O3.
15820         (ftree-vectorize): Add that the flag is turned on with -O3.
15821
15822 2008-03-20  Ben Elliston  <bje@au.ibm.com>
15823
15824         * regmove.c (try_auto_increment): Fix spelling error in comment.
15825         * final.c (final_scan_insn): Likewise.
15826
15827 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
15828
15829         PR target/14552
15830         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
15831         allocator preferences for "y" and "r" class registers.
15832         ("*mov<mode>_internal"): Ditto.
15833         ("*movv2sf_internal_rex64"): Ditto.
15834         ("*movv2sf_internal"): Ditto.
15835
15836 2008-03-19  Michael Matz  <matz@suse.de>
15837
15838         PR middle-end/35616
15839         * calls.c (expand_call): Check overlap of arguments with call
15840         address for sibcalls.
15841
15842 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
15843
15844         PR target/35496
15845         * stor-layout.c (update_alignment_for_field): Set minimum alignment
15846         of the underlying type of a MS bitfield layout to the natural
15847         alignment of the type.
15848
15849 2008-03-19  Jan Hubicka  <jh@suse.cz>
15850
15851         PR other/35094
15852         * toplev.c (decode_d_option): Handle all CPP flags.
15853         * tree-vrp.c: Update tree_pass descriptors.
15854         * regrename.c: Update tree_pass descriptors.
15855         * fwprop.c: Update tree_pass descriptors.
15856         * doc/invoke.texi: Remove documentation of dropped -d? flags.
15857         * tree-into-ssa.c: Update tree_pass descriptors.
15858         * tree-dump.c: Update tree_pass descriptors.
15859         * tree-complex.c: Update tree_pass descriptors.
15860         * tree-dump.h: Update tree_pass descriptors.
15861         * see.c: Update tree_pass descriptors.
15862         * cgraphbuild.c: Update tree_pass descriptors.
15863         * tracer.c: Update tree_pass descriptors.
15864         * tree-loop-distribution.c: Update tree_pass descriptors.
15865         * cgraph.c: Update tree_pass descriptors.
15866         * postreload-gcse.c: Update tree_pass descriptors.
15867         * postreload.c: Update tree_pass descriptors.
15868         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
15869         * tree-tailcall.c: Update tree_pass descriptors.
15870         * tree-pass.h (tree_opt_pass): Rename to ...
15871         (opt_pass) ... this one; add "type" field and remove letter field.
15872         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
15873         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
15874         all_lowering_passes): Update declaration.
15875         * ipa-cp.c: Update tree_pass descriptors.
15876         * final.c: Update tree_pass descriptors.
15877         * omp-low.c: Update tree_pass descriptors.
15878         * tree-ssa-dse.c: Update tree_pass descriptors.
15879         * ipa-reference.c: Update tree_pass descriptors.
15880         * tree-ssa-uncprop.c: Update tree_pass descriptors.
15881         * auto-inc-dec.c: Update tree_pass descriptors.
15882         * reorg.c: Update tree_pass descriptors.
15883         * cgraphunit.c: Update tree_pass descriptors.
15884         * tree-ssa-copyrename.c: Update tree_pass descriptors.
15885         * tree-ssa-ccp.c: Update tree_pass descriptors.
15886         * df-core.c: Update tree_pass descriptors.
15887         * mode-switching.c: Update tree_pass descriptors.
15888         * tree-nomudflap.c: Update tree_pass descriptors.
15889         * modulo-sched.c: Update tree_pass descriptors.
15890         * ipa-pure-const.c: Update tree_pass descriptors.
15891         * cse.c: Update tree_pass descriptors.
15892         * web.c: Update tree_pass descriptors.
15893         * tree-stdarg.c: Update tree_pass descriptors.
15894         * tree-ssa-math-opts.c: Update tree_pass descriptors.
15895         * tree-ssa-dom.c: Update tree_pass descriptors.
15896         * tree-nrv.c: Update tree_pass descriptors.
15897         * tree-ssa-alias.c: Update tree_pass descriptors.
15898         * loop-init.c: Update tree_pass descriptors.
15899         * gimple-low.c: Update tree_pass descriptors.
15900         * ipa-inline.c: Update tree_pass descriptors.
15901         * tree-ssa-sink.c: Update tree_pass descriptors.
15902         * global.c: Update tree_pass descriptors.
15903         * ifcvt.c: Update tree_pass descriptors.
15904         * jump.c: Update tree_pass descriptors.
15905         * predict.c: Update tree_pass descriptors.
15906         * tree-ssa-loop.c: Update tree_pass descriptors.
15907         * recog.c: Update tree_pass descriptors.
15908         * dse.c: Update tree_pass descriptors.
15909         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
15910         * tree-eh.c: Update tree_pass descriptors.
15911         * regmove.c: Update tree_pass descriptors.
15912         * local-alloc.c
15913         * function.c: Update tree_pass descriptors.
15914         * tree-vectorizer.c: Update tree_pass descriptors.
15915         * gcse.c: Update tree_pass descriptors.
15916         * ipa-type-escape.c: Update tree_pass descriptors.
15917         * tree-if-conv.c: Update tree_pass descriptors.
15918         * init-regs.c: Update tree_pass descriptors.
15919         * ipa.c: Update tree_pass descriptors.
15920         * tree-ssa-phiopt.c: Update tree_pass descriptors.
15921         * rtl-factoring.c: Update tree_pass descriptors.
15922         * lower-subreg.c: Update tree_pass descriptors.
15923         * bt-load.c: Update tree_pass descriptors.
15924         * tree-dfa.c: Update tree_pass descriptors.
15925         * except.c: Update tree_pass descriptors.
15926         * emit-rtl.c: Update tree_pass descriptors.
15927         * cfgexpand.c: Update tree_pass descriptors.
15928         * tree-cfgcleanup.c: Update tree_pass descriptors.
15929         * cfgcleanup.c: Update tree_pass descriptors.
15930         * tree-ssa-pre.c: Update tree_pass descriptors.
15931         * tree-sra.c: Update tree_pass descriptors.
15932         * tree-mudflap.c: Update tree_pass descriptors.
15933         * tree-ssa-copy.c: Update tree_pass descriptors.
15934         * cfglayout.c: Update tree_pass descriptors.
15935         * tree-ssa-forwprop.c: Update tree_pass descriptors.
15936         * tree-ssa-dce.c: Update tree_pass descriptors.
15937         * tree-ssa.c: Update tree_pass descriptors.
15938         * regclass.c: Update tree_pass descriptors.
15939         * integrate.c: Update tree_pass descriptors.
15940         * tree-optimize.c: Update tree_pass descriptors.
15941         * tree-ssa-phiprop.c: Update tree_pass descriptors.
15942         * tree-object-size.c: Update tree_pass descriptors.
15943         * combine.c: Update tree_pass descriptors.
15944         * tree-outof-ssa.c: Update tree_pass descriptors.
15945         * bb-reorder.c: Update tree_pass descriptors.
15946         * stack-ptr-mod.c: Update tree_pass descriptors.
15947         * var-tracking.c: Update tree_pass descriptors.
15948         * tree-profile.c: Update tree_pass descriptors.
15949         * tree-vect-generic.c: Update tree_pass descriptors.
15950         * reg-stack.c: Update tree_pass descriptors.
15951         * sched-rgn.c: Update tree_pass descriptors.
15952         * tree-ssa-structalias.c: Update tree_pass descriptors.
15953         * tree-cfg.c: Update tree_pass descriptors.
15954         * passes.c (current_pass): Update declaration.
15955         (finish_optimization_passes): Update.
15956         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
15957         (register_one_dump_file, register_dump_files_1, next_pass_1):
15958         Update arguments.
15959         (init_optimization_passes): Update handling of new types.
15960         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
15961         * ipa-struct-reorg.c: Update tree_pass descriptors.
15962         * tree-ssa-reassoc.c: Update tree_pass descriptors.
15963         * combine-stack-adj.c: Update tree_pass descriptors.
15964         * cfgrtl.c: Update tree_pass descriptors.
15965         * dce.c: Update tree_pass descriptors.
15966         * tree-ssanames.c: Update tree_pass descriptors.
15967
15968 2008-03-19  Richard Guenther  <rguenther@suse.de>
15969
15970         PR middle-end/35609
15971         * tree-ssa.c (walk_data): New structure.
15972         (warn_uninitialized_var): If not always_executed warn with "maybe"
15973         instead of "is".
15974         (execute_early_warn_uninitialized): Compute post-dominators.
15975         Initialize always_executed before processing each basic block.
15976
15977 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
15978
15979         PR target/35504
15980         * config/i386/i386.c (x86_this_parameter): Calculate correct location
15981         of "this" pointer when "regparm = N" or "fastcall" is in effect.
15982
15983 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15984
15985         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
15986
15987 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
15988
15989         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
15990         is true.
15991         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
15992         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
15993         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
15994         target after ignore has been set, and move there also the commputation
15995         of subtarget and original_target.
15996         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
15997         (LANG_HOOKS_INITIALIZER): Remove it.
15998         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
15999
16000 2008-03-18  Richard Guenther  <rguenther@suse.de>
16001
16002         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
16003         found an expression with constants, note that in the VN for the lhs.
16004         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
16005         fold them to constants if possible.  Run cleanup_cfg if done so.
16006         (execute_pre): Return todo.
16007         (do_pre): Likewise.
16008         (execute_fre): Likewise.
16009         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
16010         of constants.
16011         (get_prop_source_stmt): Look through pointer conversions.
16012
16013 2008-03-18  Jan Hubicka  <jh@suse.cz>
16014
16015         * tree-pretty-print.c: Include predict.h.
16016         (dump_generic_node): Dump predictor.
16017         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
16018         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
16019         * gimple-low.c (lower_stmt): Likewise.
16020         * expr.c (expand_expr_real): Likewise.
16021         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
16022         them.
16023         (build_predict_expr, build_predict_expr): New.
16024         * predict.h (predictor_name, build_predict_expr): Update.
16025         * c-typeck.c (c_finish_bc_stmt): Add prediction.
16026         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
16027         * predict.def (PRED_CONTINUE): Update hitrate.
16028         * tree.def (PREDICT_EXPR): Define.
16029         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
16030         do not handle BIND_EXPR.
16031         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
16032         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
16033         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
16034         operands.
16035
16036 2008-03-18  Michael Matz  <matz@suse.de>
16037
16038         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
16039
16040 2008-03-18  Richard Guenther  <rguenther@suse.de>
16041
16042         * tree-gimple.h (is_gimple_invariant_address): Declare.
16043         (is_gimple_constant): Likewise.
16044         * tree-gimple.c (is_gimple_constant): New function.
16045         (is_gimple_invariant_address): Likewise.
16046         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
16047         and is_gimple_invariant_address.
16048         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
16049         previous change.
16050         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
16051         an addressable base.
16052
16053 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
16054
16055         PR middle-end/35611
16056         * gimplify.c (gimplify_expr): Gimplify second operand of
16057         OMP_ATOMIC_LOAD.
16058
16059 2008-03-17  Richard Guenther  <rguenther@suse.de>
16060
16061         PR tree-optimization/19637
16062         * fold-const.c (fold_unary): Remove restrictions of removing
16063         intermediate pointer-conversions (P2)(P1)P0.
16064         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
16065         conversion to void pointer.
16066         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
16067
16068 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
16069
16070         PR debug/31510
16071         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
16072         emulated thread local variables.
16073
16074 2008-03-16  Richard Guenther  <rguenther@suse.de>
16075
16076         PR middle-end/35607
16077         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
16078         expand TREE_INVARIANT operations that are not gimple invariant.
16079
16080 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
16081
16082         * doc/extend.texi (Alignment): Say that the ABI controls
16083         the __alignof__ for non-strict-alignment targets rather
16084         than being a recommendation.
16085
16086 2008-03-15  Paul Brook  <paul@codesourcery.com>
16087
16088         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
16089         annotations.
16090         (arm_output_fn_unwind): Mark functions that can not be unwound.
16091
16092 2008-03-15  Paul Brook  <paul@codesourcery.com>
16093
16094         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
16095         extension instructions.
16096
16097 2008-03-15  Richard Guenther  <rguenther@suse.de>
16098
16099         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
16100         and fold constant aggregate refs.
16101         (fold_const_aggregate_ref): Handle string constants
16102         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
16103         (evaluate_stmt): Simplify now that ccp_fold folds constant
16104         aggregate refs.
16105
16106 2008-03-15  Paul Brook  <paul@codesourcery.com>
16107
16108         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
16109         (extzv): Use gen_extzv_t2.
16110         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
16111
16112 2008-03-15  Richard Guenther  <rguenther@suse.de>
16113
16114         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
16115         (fold_const_aggregate_ref): Likewise.
16116         (get_value): Return NULL if we don't have any values.
16117         (ccp_finalize): Set const_val to NULL after freeing it.
16118         * tree-flow.h (get_symbol_constant_value): Declare.
16119         (fold_const_aggregate_ref): Likewise.
16120         * tree-ssa-sccvn.c (try_to_simplify): Use them.
16121
16122 2008-03-15  Richard Guenther  <rguenther@suse.de>
16123
16124         PR middle-end/35593
16125         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
16126         to not produce negative array indices if not allowed.  Add
16127         parameter to indicate that.
16128         (maybe_fold_offset_to_component_ref): Allow negative array
16129         indices only for the first member of a structure.
16130         (maybe_fold_offset_to_reference): Allow negative array indices.
16131         (maybe_fold_stmt_addition): Likewise.
16132
16133 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
16134             Anatoly Sokolov <aesok@post.ru>
16135
16136         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
16137         (avr_arch): Add ARCH_AVR6.
16138         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
16139         (initial_elimination_offset): Initialize and use 'avr_pc_size'
16140         instead of fixed value 2.
16141         (print_operand_address): Use gs() asm specifier instead of pm().
16142         (avr_assemble_integer): (Ditto.).
16143         (avr_output_addr_vec_elt): (Ditto.).
16144         (print_operand): Handle "!" code.
16145         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
16146         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
16147         (AVR_HAVE_EIJMP_EICALL): Define.
16148         (AVR_3_BYTE_PC): Redefine.
16149         (AVR_2_BYTE_PC): (Ditto.).
16150         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
16151         (LINK_SPEC): Add atmega2560 and atmega2561.
16152         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
16153         (crtm2561.o).
16154         * config/avr/avr.md (call_insn): Use eicall instead of icall
16155         for 3 byte PC devices.
16156         (call_value_insn): (Ditto.).
16157         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
16158         (indirect_jump): Use only for for 2 byte PC devices.
16159         (*tablejump): (Ditto.).
16160         (*indirect_jump_avr6): Add insn.
16161         (*tablejump_rjmp): Don't use for 3 byte PC devices.
16162         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
16163         instead of ijmp for 3 byte PC devices.
16164         (__tablejump2__): (Ditto.).
16165         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
16166         (MULITLIB_DIRNAMES): (Ditto.).
16167         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
16168
16169 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
16170
16171         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
16172         "sse2_umulsidi3".  Use V1DI mode for operand 0.
16173         ("mmx_psadbw"): Use V1DI mode for operand 0.
16174         * config/i386/i386-modes.def (V1SI): New vector mode.
16175         * config/i386/i386.c (struct builtin_description)
16176         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
16177         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
16178         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
16179         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
16180         v1di_ftype_v8qi_v8qi type.
16181         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
16182
16183         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
16184         __builtin_ia32_pmuludq]: Fix the mode of return value.
16185
16186 2008-03-15  Richard Guenther  <rguenther@suse.de>
16187
16188         PR middle-end/35595
16189         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
16190         being a PHI_NODE.
16191
16192 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
16193
16194         * doc/invoke.texi (Option Summary, Xtensa Options): Document
16195         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
16196         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
16197         unless TARGET_SERIALIZE_VOLATILE is enabled.
16198         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
16199         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
16200         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
16201
16202 2008-03-14  Richard Guenther  <rguenther@suse.de>
16203
16204         PR tree-optimization/34172
16205         * tree-flow.h (refs_may_alias_p): Declare.
16206         (get_single_def_stmt): Likewise.
16207         (get_single_def_stmt_from_phi): Likewise.
16208         (get_single_def_stmt_with_phi): Likewise.
16209         * tree-dfa.c (refs_may_alias_p): New function.
16210         (get_single_def_stmt): Likewise.
16211         (get_single_def_stmt_from_phi): Likewise.
16212         (get_single_def_stmt_with_phi): Likewise.
16213         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
16214         (vn_reference_lookup_1): New helper function.
16215         (vn_reference_lookup): Walk the virtual use-def chain to
16216         continue searching for a match if the def does not alias the
16217         reference we are looking for.
16218
16219 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
16220
16221         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
16222         archive and Perzl.  Update The Written Word listing.
16223
16224 2008-03-14  Richard Guenther  <rguenther@suse.de>
16225
16226         PR tree-optimization/34043
16227         PR tree-optimization/33989
16228         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
16229         when doing FRE.
16230         (bitmap_find_leader): Use extra argument to verify dominance
16231         relationship inside a basic-block.
16232         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
16233         (find_leader_in_sets): Adjust.
16234         (create_component_ref_by_pieces): Take extra argument for
16235         dominance check, handle lookup failures.
16236         (find_or_generate_expression): Likewise.
16237         (create_expression_by_pieces): Likewise.
16238         (insert_into_preds_of_block): Adjust.
16239         (create_value_expr_from): If asked for, verify all operands
16240         are in the blocks AVAIL_OUT set.
16241         (make_values_for_stmt): Check for SSA_NAMEs that are life
16242         over an abnormal edge.
16243         (compute_avail): Remove such check.
16244         (do_SCCVN_insertion): New function.
16245         (eliminate): If we do not find a leader suitable for replacement
16246         insert a replacement expression from SCCVN if available.
16247         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
16248         (struct vn_ssa_aux): Add needs_insertion flag.
16249         * tree-ssa-sccvn.c (may_insert): New global flag.
16250         (copy_reference_ops_from_ref): Value-number union member access
16251         based on its size, not type and member if insertion is allowed.
16252         (visit_reference_op_load): For a weak match from union type
16253         punning lookup a view-converted value and insert a SSA_NAME
16254         for that value if that is not found.
16255         (visit_use): Make dumps shorter.  Do not disallow value numbering
16256         SSA_NAMEs that are life over an abnormal edge to constants.
16257         (free_scc_vn): Release inserted SSA_NAMEs.
16258         (run_scc_vn): New flag to specify whether insertion is allowed.
16259         Process SSA_NAMEs in forward order.
16260         * tree-ssa-loop-im.c (for_each_index): Handle invariant
16261         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
16262         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
16263         pointer type to/from integral types that do not change the
16264         precision to regular conversions.
16265
16266 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
16267
16268         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
16269         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
16270         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
16271         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
16272         input arguments and the mode of return value.  Built-in functions
16273         that operate on whole 64-bit MMX register now use V1DI mode.
16274
16275 2008-03-13  Alon Dayan  <alond@il.ibm.com>
16276             Olga Golovanevsky  <olga@il.ibm.com>
16277
16278         PR tree-optimization/35041
16279         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
16280         to locate the right position in a statement.
16281
16282 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
16283
16284         PR target/34000
16285         PR target/35553
16286         * config/i386/xmmintrin.h:  Change all static inline functions to
16287         extern inline and add __gnu_inline__ attribute.
16288         * config/i386/bmintrin.h: Ditto.
16289         * config/i386/smmintrin.h: Ditto.
16290         * config/i386/tmmintrin.h: Ditto.
16291         * config/i386/mmintrin-common.h: Ditto.
16292         * config/i386/ammintrin.h: Ditto.
16293         * config/i386/emmintrin.h: Ditto.
16294         * config/i386/pmmintrin.h: Ditto.
16295         * config/i386/mmintrin.h: Ditto.
16296         * config/i386/mm3dnow.h: Ditto.
16297
16298 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
16299
16300         PR middle-end/35185
16301         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
16302         (lower_omp_2): New function.
16303         (lower_omp_1, lower_omp): Rewritten.
16304
16305 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
16306
16307         PR 35054
16308         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
16309         with the phrase "Microsoft Windows compilers".
16310         (Push/Pop Macro Pragmas): New subsection. Document
16311         #pragma push_macro and pragma pop_macro.
16312
16313 2008-03-12  Paul Brook  <paul@codesourcery.com>
16314
16315         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
16316
16317 2008-03-12  Paul Brook  <paul@codesourcery.com>
16318
16319         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
16320         (thumb2_alusi3_short): Exclude PLUS and MINUS.
16321         (thumb2_addsi_shortim): Rename ...
16322         (thumb2_addsi_short): ... to this.  Allow register operands.
16323         (thumb2_subsi_short): New pattern.
16324         (thumb2_one_cmplsi2_short,
16325         thumb2_negsi2_short): New patterns and peepholes.
16326
16327 2008-03-12  Paul Brook  <paul@codesourcery.com>
16328
16329         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
16330
16331 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
16332
16333         * config/i386/i386.md (int_cond): New code iterator.
16334         (fp_cond): Ditto.
16335         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
16336         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
16337         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
16338         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
16339         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
16340         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
16341         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
16342         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
16343
16344 2008-03-12  Paul Brook  <paul@codesourcery.com>
16345
16346         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
16347         instead of {arm,thumb}_compute_save_reg_mask.
16348         (output_return_instruction): Ditto.
16349         (thumb_unexpanded_epilogue): Ditto.
16350         (thumb1_expand_prologue): Ditto.
16351         (thumb1_output_function_prologue): Ditto.
16352         (arm_set_return_address): Ditto.
16353         (thumb_set_return_address): Ditto.
16354         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
16355         regs to achieve stack alignment.
16356         (thumb1_compute_save_reg_mask): Fix compiler warning.
16357         (arm_output_epilogue): Use offsets->saved_regs_mask.
16358         Adjust stack pointer by poping call clobered registers.
16359         (arm_expand_prologue): Use offsets->saved_regs_mask.
16360         Adjust stack pointer by pushing extra registers.
16361         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
16362
16363 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
16364
16365         PR tree-opt/35422
16366         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
16367         conversion to the operands of a multiplication.
16368
16369 2008-03-12  Richard Guenther  <rguenther@suse.de>
16370
16371         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
16372         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
16373         * timevar.def (TV_TREE_PHIPROP): Add.
16374         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
16375         pass description.  Use TV_TREE_PHIPROP.
16376         * tree-ssa-forwprop.c: Remove phiprop code.
16377
16378 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
16379
16380         PR middle-end/35549
16381         * omp-low.c (maybe_lookup_decl): Constify first argument.
16382         (use_pointer_for_field): Change last argument from bool to
16383         omp_context *.  Disallow shared copy-in/out in nested
16384         parallel if decl is shared in outer parallel too.
16385         (build_outer_var_ref, scan_sharing_clauses,
16386         lower_rec_input_clauses, lower_copyprivate_clauses,
16387         lower_send_clauses, lower_send_shared_vars): Adjust callers.
16388
16389 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
16390             Ira Rosen  <irar@il.ibm.com>
16391
16392         * tree-vectorizer.c (free_stmt_vec_info): New function.
16393         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
16394         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
16395         * tree-vectorizer.h (free_stmt_vec_info): Declare.
16396         * tree-vect-transform.c (vectorizable_conversion): Free
16397         vec_oprnds0 if it was allocated.
16398         (vect_permute_store_chain): Remove unused VECs.
16399         (vectorizable_store): Free VECs that are allocated in the..
16400         function.
16401         (vect_transform_strided_load, vectorizable_load): Likewise.
16402         (vect_remove_stores): Simplify the code.
16403         (vect_transform_loop): Move code to vect_remove_stores().
16404         Call vect_remove_stores() and free_stmt_vec_info().
16405
16406 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16407
16408         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
16409         TARGET_HPUX.  Revise comment.
16410         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
16411         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
16412         Use sr4 variant of `be' instruction when not generating PIC code.
16413         (attr_length_call): Adjust for above change.
16414
16415 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16416
16417         * ipa-reference.c (static_execute): Remove module_statics_const and
16418         associated setting code.
16419
16420 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
16421
16422         PR target/35540
16423         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
16424         predicate for operand 1.
16425         (paritysi2_cmp): Use register_operand predicate for operand 2.
16426         Use earlyclobber modifier for operand 1.  Remove support for
16427         memory operands.
16428         (paritydi2_cmp): Use register_operand predicate for operand 3.
16429         Use earlyclobber modifier for operand 1.  Remove support for
16430         memory operands.
16431
16432 2008-03-11  Paul Brook  <paul@codesourcery.com>
16433             Vladimir Prus  <vladimir@codesourcery.com>
16434
16435         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
16436         (arm_compute_save_reg0_reg12_mask): Always
16437         check if register 11 must be saved.  Always safe hard frame pointer
16438         when frame_pointer_needeed.
16439         (arm_compute_save_reg_mask): Save IP and PC
16440         only with apcs frames.
16441         (arm_output_epilogue): Adjust Thumb2 codepath to
16442         be also invoked and work for ARM non-apcs frames.
16443         (arm_expand_prologue): Don't bother saving IP
16444         for non-apcs frame, since it's not clobbered by
16445         prologue code.  Implement non-apcs frame
16446         layout.
16447
16448 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
16449
16450         PR rtl-optimization/35281
16451         * expr.c (convert_move): Use a new pseudo for the intermediate
16452         from_mode->word_mode result.
16453
16454 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
16455
16456         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
16457         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
16458         * toplev.c (compile_file): Don't call it.
16459
16460 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
16461
16462         PR middle-end/35526
16463         * expr.c (store_expr): Call emit_block_move if the mode
16464         of "temp" RTX is BLKmode.
16465
16466 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16467             Richard Guenther  <rguenther@suse.de>
16468
16469         PR tree-optimization/31358
16470         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
16471         the step with a NULL_TREE.
16472         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
16473         to sizetype if type is a pointer type.
16474         (add_candidate_1): Don't convert the base and step to
16475         the generic type if the orginal type is a pointer type.
16476         (add_iv_value_candidates): Use sizetype for the step
16477         if type is a pointer type.
16478         (cand_value_at): Likewise.
16479         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
16480         for pointer types.
16481         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
16482         Don't convert the tem affine to the type.
16483         (add_elt_to_tree): Use sizetype for the step if a pointer.
16484         Use POINTER_PLUS_EXPR for pointers.
16485         (aff_combination_to_tree): Use sizetype for the step if a
16486         pointer.
16487
16488 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
16489
16490         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
16491         Remove commutativity hint.
16492
16493 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
16494
16495         PR c/35438
16496         PR c/35439
16497         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
16498         errorneous type.  Check that v is a VAR_DECL.
16499
16500         PR middle-end/35099
16501         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
16502
16503 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
16504
16505         PR tree-optimization/35494
16506         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
16507         may be overriden at link and run time.
16508
16509 2008-03-10  Richard Guenther  <rguenther@suse.de>
16510
16511         PR tree-optimization/34677
16512         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
16513         (poolify_tree): Likewise.
16514         (modify_expr_template): Likewise.
16515         (poolify_modify_stmt): Likewise.
16516         (insert_fake_stores): Handle all component-ref style stores
16517         in addition to INDIRECT_REF.  Also handle complex types.
16518         Do not poolify the inserted load.
16519         (realify_fake_stores): Do not rebuild the tree but only
16520         make it a SSA_NAME copy.
16521         (init_pre): Remove initialzation of modify_expr_template.
16522         Do not allocate modify_expr_node_pool.
16523         (fini_pre): Do not free modify_expr_node_pool.
16524
16525 2008-03-10  Paul Brook  <paul@codesourcery.com>
16526
16527         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
16528         to avoid conflicts.
16529
16530 2008-03-10  Paul Brook  <paul@codesourcery.com>
16531             Mark Shinwell  <shinwell@codesourcery.com>
16532
16533         * config/arm/cortex-r4.md: New.
16534         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
16535         insn attributes.
16536         * config/arm/arm.md: Include cortex-r4.md.
16537         (insn): Add smmls, sdiv and udiv values.
16538         (generic_sched): Don't use generic scheduling for Cortex-R4.
16539         (arm_issue_rate): New function.
16540         (TARGET_SCHED_ISSUE_RATE): Define.
16541
16542 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
16543
16544         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
16545
16546 2008-03-10  Richard Guenther  <rguenther@suse.de>
16547
16548         * tree-ssa-pre.c (get_sccvn_value): Simplify.
16549         (compute_avail): Do not add stmt uses to AVAIL_OUT.
16550
16551 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
16552
16553         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
16554         Set default to true.
16555
16556 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16557
16558         * c.opt (Wsynth): Deprecate.
16559         * doc/invoke.texi (Option Summary, Warning Options): Document
16560         -Wno-format-contains-nul.
16561
16562 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
16563
16564         PR target/35496
16565         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
16566         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
16567
16568 2008-03-09  Ira Rosen  <irar@il.ibm.com>
16569
16570         * config/rs6000/rs6000.c (builtin_description): Rename vector
16571         left shift operations.
16572         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
16573         (altivec_vsl<VI_char>): Rename to ...
16574         (ashl<mode>3): ... new name.
16575         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
16576         gen_ashlv4si3.
16577         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
16578
16579 2008-03-08  Richard Guenther  <rguenther@suse.de>
16580
16581         * coverage.h (tree_coverage_counter_addr): Declare.
16582         * coverage.c (tree_coverage_counter_addr): New function.
16583         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
16584         before using again.
16585         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
16586         (tree_gen_one_value_profiler): Likewise.
16587         (tree_gen_ic_profiler): Likewise.
16588         (tree_gen_average_profiler): Likewise.
16589         (tree_gen_ior_profiler): Likewise.
16590
16591 2008-03-08  Richard Guenther  <rguenther@suse.de>
16592
16593         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
16594         (vn_binary_op_insert): Likewise.
16595         (vn_unary_op_lookup): Likewise.
16596         (vn_unary_op_insert): Likewise.
16597         (vn_nary_op_lookup): Declare.
16598         (vn_nary_op_insert): Likewise.
16599         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
16600         and binary hashes, use a single obstack for unary_op_pool
16601         and binary_op_pool.
16602         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
16603         a single struct vn_nary_op_s.  Store tree code length and
16604         a variable number of operands.
16605         (struct vn_reference_op_struct): Remove unused op2.
16606         (vn_reference_op_eq): Do not compare op2.
16607         (vn_reference_op_compute_hash): Do not compute hash of op2.
16608         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
16609         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
16610         with vn_nary_op_compute_hash.
16611         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
16612         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
16613         vn_nary_op_lookup.
16614         (vn_unary_op_insert, vn_binary_op_insert): Replace with
16615         vn_nary_op_insert.
16616         (visit_unary_op): Call nary functions.
16617         (visit_binary_op): Likewise.
16618         (process_scc): Adjust for struct vn_tables_s changes.
16619         (allocate_vn_table): Likewise.
16620         (free_vn_table): Likewise.
16621         * tree-vn.c (vn_add): Call nary functions.
16622         (vn_lookup): Likewise.
16623
16624 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
16625
16626         PR target/35498
16627         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
16628         wdst back after sync_compare_and_swapqhi_internal.
16629
16630 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
16631
16632         PR target/22152
16633         * config/i386/i386-modes.def (V1DI): New vector mode.
16634         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
16635         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
16636         (MMXMODE248): Ditto.
16637         (MMXMODE): Add V1DI mode.
16638         (mmxvecsize): Change DI mode to V1DI mode.
16639         ("mov<mode>): Use MMXMODEI8 mode iterator.
16640         ("*mov<mode>_internal_rex64"): Ditto.
16641         ("*mov<mode>_internal"): Ditto.
16642         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
16643         ("mmx_sub<mode>3"): Ditto.
16644         ("mmx_adddi3"): Remove insn pattern.
16645         ("mmx_subdi3"): Ditto.
16646         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
16647         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
16648         ("mmx_ashl<mode>3"): Ditto.
16649         ("mmx_lshrdi3"): Remove insn pattern.
16650         ("mmx_ashldi3"): Ditto.
16651         * config/i386/i386.c (classify_argument): Handle V1DImode.
16652         (function_arg_advance_32): Ditto.
16653         (function_arg_32): Ditto.
16654         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
16655         mmx_addv1di3 insn pattern.
16656         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
16657         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
16658         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
16659         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
16660         Remove definitions of built-in functions.
16661         (V1DI_type_node): New node.
16662         (v1di_ftype_v1di_int): Ditto.
16663         (v1di_ftype_v1di_v1di): Ditto.
16664         (v2si_ftype_v2si_si): Ditto.
16665         (v4hi_ftype_v4hi_di): Remove node.
16666         (v2si_ftype_v2si_di): Ditto.
16667         (ix86_init_mmx_sse_builtins): Handle V1DImode.
16668         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
16669         Redefine builtins using def_builtin_const with *_ftype_*_int node.
16670         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
16671         Add new builtins using def_builtin_const.
16672         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
16673         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
16674         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
16675         * config/i386/mmintrin.h (__v1di): New typedef.
16676         (_mm_add_si64): Cast arguments to __v1di type.
16677         (_mm_sub_si64): Ditto.
16678         (_mm_sll_pi16): Cast __count to __v4hi type.
16679         (_mm_sll_pi32): Cast __count to __v2si type.
16680         (_mm_sll_si64): Cast arguments to __v1di type.
16681         (_mm_srl_pi16): Cast __count to __v4hi type.
16682         (_mm_srl_pi32): Cast __count to __v2si type.
16683         (_mm_srl_si64): Cast arguments to __v1di type.
16684         (_mm_sra_pi16): Cast __count to __v4hi type.
16685         (_mm_sra_pi32): Cast __count to __v2si type.
16686         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
16687         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
16688         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
16689         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
16690         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
16691         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
16692         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
16693         (_mm_srai_pi32): Use __builtin_ia32_psradi.
16694         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
16695         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
16696         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
16697         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
16698
16699 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
16700
16701         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
16702
16703 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
16704
16705         PR target/35373
16706         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
16707         reg+const addressing for Altivec modes.  Don't generate reg+reg
16708         addressing for TFmode or TDmode quantities.
16709
16710 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
16711
16712         * c-common.c (vector_types_convertible_p): Call langhook
16713         instead of comptypes.
16714
16715 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16716
16717         PR tree-opt/35402
16718         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
16719         integral and scalar float variables which have a
16720         NULL DECL_INITIAL.
16721
16722 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
16723
16724         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
16725         dwarf_register_span hook when emitting unwind information for
16726         register-to-memory saves.
16727         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
16728         (rs6000_frame_related): Remove call to spe_synthesize_frame.
16729
16730 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
16731
16732         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
16733         for the same VAR_DECL.
16734
16735 2008-03-06  Tom Tromey  <tromey@redhat.com>
16736
16737         * treelang: Delete.
16738         * doc/standards.texi (Standards): Don't mention treelang.
16739         * doc/invoke.texi (Overall Options): Don't mention treelang.
16740         * doc/install.texi (Prerequisites): Don't mention bison or
16741         treelang.
16742         (Configuration): Don't mention treelang.
16743         (Building): Likewise.
16744         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
16745
16746 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
16747
16748         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
16749         word-extractions out of a multi-word object.
16750
16751 2008-03-06  Richard Guenther  <rguenther@suse.de>
16752
16753         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
16754         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
16755         result type and precision.
16756         * expr.c (get_inner_reference): Set unsignedp based on the result
16757         type of BIT_FIELD_REF.
16758         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
16759         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
16760         (try_instantiate_multiple_fields): Likewise.  Use the correct type
16761         for BIT_FIELD_REF.
16762         (sra_build_assignment): Likewise.
16763         (sra_build_elt_assignment): Likewise.
16764         (sra_explode_bitfield_assignment): Likewise.
16765         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
16766         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
16767         set BIT_FIELD_REF_UNSIGNED.
16768         (vectorizable_load): Likewise.
16769
16770 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
16771
16772         * cse.c (cse_extended_basic_block): Invalidate artificial defs
16773         at bb start.
16774
16775 2008-03-06  Richard Guenther  <rguenther@suse.de>
16776
16777         * alias.c (struct alias_set_entry): Move has_zero_child field
16778         to pack with alias_set.
16779
16780 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
16781
16782         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
16783         32bit host.
16784
16785 2008-03-05  Ian Lance Taylor  <iant@google.com>
16786
16787         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
16788
16789 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
16790
16791         * fwprop.c (update_df): Support width and offset parameters of
16792         df_ref_create.
16793         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
16794         global_conflicts): Change DF_REF_EXTRACT to either
16795         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
16796         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
16797         * df-scan.c (df_ref_record, df_defs_record,
16798         df_ref_create_structure, df_def_record_1, df_uses_record,
16799         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
16800         df_bb_refs_collect, df_entry_block_defs_collect,
16801         df_exit_block_uses_collect): Support new width and offset fields.
16802         (ref_extract_pool): New storage pool.
16803         (df_free_ref): New function.
16804         (df_reg_chain_unlink, df_free_collection_rec,
16805         df_sort_and_compress_refs): Call df_free_ref.
16806         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
16807         of df_ref_extract.
16808         (df_ref_create_structure): Allocate df_ref_extract if offset and
16809         width fields are used.
16810         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
16811         (df_uses_record): Get offset and width from ZERO_EXTRACT
16812         and SIGN_EXTRACT.
16813         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
16814         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
16815         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
16816         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
16817         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
16818         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
16819         (df_ref_extract): New structure.
16820         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
16821         (df_ref_create): Add width and offset parameters.
16822
16823 2008-03-05  Richard Guenther  <rguenther@suse.de>
16824
16825         * tree-ssa-structalias.c (get_constraint_for_component_ref):
16826         Use ranges_overlap_p.
16827         (offset_overlaps_with_access): Rename
16828         to ranges_overlap_p and move ...
16829         * tree-flow-inline.h (ranges_overlap_p): ... here.
16830
16831         * tree.h (get_inner_reference, handled_component_p): Update
16832         comments.
16833
16834         * tree.h (record_component_aliases, get_alias_set,
16835         alias_sets_conflict_p, alias_sets_must_conflict_p,
16836         objects_must_conflict_p): Move declarations ...
16837         * alias.h (record_component_aliases, get_alias_set,
16838         alias_sets_conflict_p, alias_sets_must_conflict_p,
16839         objects_must_conflict_p): ... here.
16840         Include coretypes.h.
16841         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
16842
16843 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
16844
16845         * cfg.c: Include tree-flow.h.
16846         (remove_edge_raw): Call redirect_edge_var_map_clear.
16847         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
16848         * tree-flow-inline.h (redirect_edge_var_map_def): New.
16849         (redirect_edge_var_map_result): New.
16850         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
16851         PENDING_STMT use with redirect_edge_var_map_*.
16852         * tree-ssa.c (edge_var_maps): New definition.
16853         (redirect_edge_var_map_add): New.
16854         (redirect_edge_var_map_clear): New.
16855         (redirect_edge_var_map_dup): New.
16856         (redirect_edge_var_map_vector): New.
16857         (redirect_edge_var_map_destroy): New.
16858         (ssa_redirect_edge): Replace PENDING_STMT use with
16859         redirect_edge_var_map_*.
16860         (flush_pending_stmts): Same.
16861         (delete_tree_ssa): Destroy edge var map.
16862         * tree-flow.h (struct _edge_var_map): New.
16863         Define edge_var_map vector type.
16864         Declare redirect_edge_var_map_* prototypes.
16865         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
16866         * tree-cfg.c (reinstall_phi_args): Replace
16867         PENDING_STMT use with redirect_edge_var_map_*.
16868
16869 2008-03-05  Richard Guenther  <rguenther@suse.de>
16870
16871         PR tree-optimization/35472
16872         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
16873         whose single use_stmt has a overlapping set of loaded and
16874         stored symbols as that use_stmt might be a noop assignment then.
16875
16876 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
16877
16878         * gthr-rtems.h: Implement __gthread_mutex_destroy.
16879
16880 2008-03-05  Richard Guenther  <rguenther@suse.de>
16881
16882         PR c++/35336
16883         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
16884         should be constants.
16885         * tree-cfg.c (verify_expr): Verify it.
16886         * fold-const.c (fold_truthop): Remove code generating
16887         BIT_FIELD_REFs of structure bases.
16888         (fold_binary): Likewise.
16889         (fold_ternary): Position and size of BIT_FIELD_REFs are
16890         always host integers.
16891         (make_bit_field_ref): Remove.
16892         (optimize_bit_field_compare): Remove.
16893         (all_ones_mask_p): Remove.
16894
16895 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
16896
16897         PR gcc/33009
16898         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
16899         (split_block_and_df_analyze): New. Split basic block and rebuild
16900         dataflow.
16901         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
16902         SPLIT_BLOCK.
16903         (split_pattern_seq): Likewise.
16904         (erase_matching_seqs): Likewise.
16905         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
16906
16907 2008-03-04  Geoff Keating  <geoffk@apple.com>
16908
16909         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
16910         declaration and code.
16911         (tree_invalid_nonnegative_warnv_p): Likewise.
16912
16913 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
16914
16915         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
16916         examples.  Truncate option-names then causing overfull hbox.
16917
16918 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16919
16920         PR target/35222
16921         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
16922         on hpux10.
16923         * configure: Rebuilt.
16924
16925 2008-03-04  Rafael Espindola  <espindola@google.com>
16926
16927         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
16928         (tree_unary_nonnegative_warnv_p): New.
16929         (tree_binary_nonnegative_warnv_p): New.
16930         (tree_single_nonnegative_warnv_p): New.
16931         (tree_invalid_nonnegative_warnv_p): New.
16932         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
16933
16934 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
16935
16936         PR 28322
16937         * opts.c (handle_option): Postpone 'unknown option' errors only for
16938         warning options.
16939
16940 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
16941
16942         PR target/35453
16943         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
16944         (_SIDD_XXX): This.
16945
16946 2008-03-04  Rafael Espindola  <espindola@google.com>
16947
16948         * fold-const.c (tree_unary_nonzero_warnv_p): New.
16949         (tree_binary_nonzero_warnv_p): New.
16950         (tree_single_nonzero_warnv_p): New.
16951         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
16952
16953 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
16954
16955         PR middle-end/35456
16956         * fold-const.c (fold_cond_expr_with_comparison): Prevent
16957         transformations for modes that have signed zeros.
16958         * ifcvt.c (noce_try_abs): Ditto.
16959
16960 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
16961
16962         * config/i386/i386.c (override_options): Force
16963         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
16964
16965 2008-03-04  Jan Hubicka  <jh@suse.cz>
16966
16967         PR c++/35262
16968         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
16969         in last commit.
16970
16971 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
16972
16973         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
16974         label to probe the stack.
16975
16976 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
16977
16978         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
16979         (__gthr_win32_mutex_destroy): Declare.
16980         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
16981         __gthr_win32_mutex_destroy.
16982         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
16983
16984 2008-03-03  Jan Hubicka  <jh@suse.cz>
16985
16986         PR c++/35262
16987         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
16988         aggressive on inlining cold calls.
16989
16990 2008-03-03  Richard Guenther  <rguenther@suse.de>
16991
16992         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
16993         struct copies into the expression table.
16994         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
16995         (try_to_simplify): Likewise.
16996         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
16997         integral and pointer arguments which do not change the
16998         precision to NOP_EXPRs.
16999         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
17000         VIEW_CONVERT_EXPR case.
17001
17002 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
17003
17004         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
17005         defined in a loop at depth 0 is invariant.
17006         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
17007         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
17008         be called at loop depth 0.
17009
17010 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
17011
17012         PR driver/35420
17013         * gcc.c (process_command): Update copyright notice dates.
17014         * gcov.c (print_version): Likewise.
17015         * gcov-dump.c (print_version): Likewise.
17016         * mips-tfile.c (main): Likewise.
17017         * mips-tdump.c (main): Likewise.
17018
17019 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17020
17021         PR 24924
17022         * c-common.c (flag_permissive): Delete.
17023         (constant_expression_warnings): Check flags first.
17024         (constant_expression_error): New.
17025         * c-common.h (flag_permissive): Delete.
17026         (constant_expression_error): Declare.
17027         * flags.h (flag_permissive): Declare. Update description.
17028         * diagnostic.c (pedwarn): Update.
17029         (permerror): New.
17030         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
17031         (permissive_error_kind): New.
17032         * toplev.c (flag_permissive): Define. Update description.
17033         * toplev.h (permissive_error_kind): Declare.
17034         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
17035         (pedwarn_c90): Use pedantic_warning_kind.
17036         * c-opts.c (c_common_post_options): flag_permissive does not affect
17037         flag_pedantic_errors.
17038
17039 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
17040
17041         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
17042         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
17043         __absvsi2, __absvDI2): Use unsigned arithmetic.
17044
17045 2008-03-02  Andi Kleen  <ak@suse.de>
17046             Richard Guenther  <rguenther@suse.de>
17047
17048         * struct-equiv.c: Remove file.
17049         * cfg_cleanup.c (condjump_equiv_p): Remove.
17050         * Makefile.in (OBJS-common): Remove struct-equiv.o.
17051         (struct-equiv.o): Remove rule.
17052         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
17053         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
17054         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
17055
17056 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17057
17058         * ifcvt.c (noce_process_if_block): Try to handle only the then
17059         block if the else block exists but isn't suitable.
17060
17061 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17062
17063         PR gcc/35063
17064         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
17065         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
17066         regression from previous patch.
17067
17068 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17069
17070         PR gcc/35063
17071         * gthr.h: Add __gthread_mutex_destroy as a function that must be
17072         implemented.
17073         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
17074         * gthr-single.h (__gthread_mutex_destroy): Likewise.
17075         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
17076         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
17077         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
17078         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
17079         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
17080         (__gthread_mutex_destroy_function): Rename to
17081         __gthread_mutex_destroy.
17082         * gthr-dce.h (__gthread_mutex_destroy): Call
17083         pthread_mutex_destroy.
17084         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
17085         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
17086         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
17087
17088 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17089
17090         * df-scan.c (df_ref_chain_change_bb): Simplify.
17091         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
17092         set_block_for_insn if there's any change.
17093         * df.h ((df_insn_change_bb): Fix prototype.
17094         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
17095         df_insn_change_bb, don't call set_block_for_insn.
17096         * emit-rtl.c (reorder_insns): Likewise.
17097         * haifa-sched.c (move_insn): Likewise.
17098
17099 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17100
17101         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
17102
17103 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17104
17105         * tree-flow-inline.h (next_readonly_imm_use): Return
17106         NULL_USE_OPERAND_P after the end.
17107
17108 2008-03-01  Richard Guenther  <rguenther@suse.de>
17109
17110         PR tree-optimization/35411
17111         * tree-sra.c (sra_build_assignment): Split conversion to
17112         final type to a separate statement if we are not assigning
17113         to a register.
17114
17115 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
17116
17117         * fold-const.c (fold_convertible_p): Correct the logic to follow
17118         that in fold_convert().
17119
17120 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
17121
17122         PR c++/35315
17123         * tree-inline.c (build_duplicate_type): When we make a
17124         duplicate type, make it unique in the canonical types system.
17125
17126 2008-02-29  Tom Tromey  <tromey@redhat.com>
17127
17128         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
17129         input_file_stack_history, input_file_stack_restored): Remove.
17130         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17131         * input.h (struct file_stack): Remove.
17132         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17133         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
17134         Likewise.
17135         * diagnostic.h (struct diagnostic_context) <last_module>: Change
17136         type.
17137         (diagnostic_last_module_changed): Add 'map' argument.
17138         (diagnostic_set_last_function): Likewise.
17139         * diagnostic.c (undiagnostic_report_current_module): Iterate using
17140         line map, not input_file_stack.
17141         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
17142
17143 2008-02-29  Paul Brook  <paul@codesourcery.com>
17144
17145         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
17146
17147 2008-02-29  Paul Brook  <paul@codesourcery.com>
17148
17149         * config/arm/ieee754-df.S (muldf3): Use RET macros.
17150
17151 2008-02-29  Richard Guenther  <rguenther@suse.de>
17152
17153         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
17154         vn_lookup_or_add.
17155         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
17156         value for comparing for a store match.
17157         (simplify_unary_expression): Do nothing for SSA_NAMEs.
17158         (try_to_simplify): Do not do a full-blown reference lookup.
17159
17160 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
17161
17162         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
17163         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17164
17165         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
17166
17167 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
17168
17169         * tree-loop-linear.c (try_interchange_loops): Compare memory access
17170         strides against cache sizes.
17171
17172 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
17173
17174         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
17175         constant to fpul.
17176
17177 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
17178
17179         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
17180         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
17181         is smaller than the original promoted value.
17182         (simplify_subreg): If OP is a SUBREG, try to preserve its
17183         SUBREG_PROMOTED_VAR_P information.
17184
17185 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
17186
17187         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
17188         (VN_INFO_GET): Allocate new objects on the obstack.
17189         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
17190         for rpo_numbers_temp, for consistency.
17191         (free_scc_vn): Free the obstack.
17192
17193 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
17194
17195         * doc/invoke.texi: Document -ftree-loop-distribution.
17196         * tree-loop-distribution.c: New.
17197         * tree-pass.h (pass_loop_distribution): New.
17198         * graphds.h (struct graph): Add htab_t indices.
17199         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
17200         * tree-vectorizer.c (rename_variables_in_loop): Extern.
17201         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
17202         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
17203         * tree-data-ref.c (debug_data_dependence_relations): New.
17204         (dump_data_dependence_relation): Also print data references.
17205         (free_data_ref): Extern.
17206         (same_access_functions): Moved...
17207         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
17208         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
17209         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
17210         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
17211         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
17212         (stmts_from_loop): Skip LABEL_EXPR.
17213         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
17214         New.
17215         (build_rdg): Initialize rdg->indices htab.
17216         (free_rdg, stores_from_loop, ref_base_address,
17217         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
17218         have_similar_memory_accesses_1, ref_base_address_1,
17219         remove_similar_memory_refs): New.
17220         * tree-data-ref.h: Depend on tree-chrec.h.
17221         (debug_data_dependence_relations, free_data_ref): Declared.
17222         (same_access_functions): ... here.
17223         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
17224         New.
17225         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
17226         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
17227         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
17228         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
17229         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
17230         rdg_vertex_for_stmt): Declared.
17231         (struct rdg_edge): Add level.
17232         (RDGE_LEVEL): New.
17233         (free_rdg, stores_from_loop, remove_similar_memory_refs,
17234         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
17235         Declared.
17236         (rdg_has_similar_memory_accesses): New.
17237         * tree-vect-analyze.c: Remove unused static decls.
17238         * lambda.h (dependence_level): New.
17239         * common.opt (ftree-loop-distribution): New.
17240         * tree-flow.h (mark_virtual_ops_in_bb,
17241         slpeel_tree_duplicate_loop_to_edge_cfg,
17242         rename_variables_in_loop): Declared.
17243         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
17244         (OBJS-common): Add tree-loop-distribution.o.
17245         (tree-loop-distribution.o): New rule.
17246         * tree-cfg.c (mark_virtual_ops_in_bb): New.
17247         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
17248         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
17249
17250 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
17251
17252         PR target/33963
17253         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
17254         other than structures and unions.
17255
17256 2008-02-28  Richard Guenther  <rguenther@suse.de>
17257
17258         Revert:
17259         2008-02-26  Richard Guenther  <rguenther@suse.de>
17260
17261         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17262         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17263         (lookup_decl_from_uid): Declare.
17264         (remove_decl_from_map): Likewise.
17265         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17266         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17267         (decl_for_uid_map): New global hashtable mapping DECL_UID
17268         to the decl tree.
17269         (init_ttree): Allocate it.
17270         (insert_decl_to_uid_decl_map): New helper function.
17271         (make_node_stat): Insert new decls into the map.
17272         (copy_node_stat): Likewise.
17273         (lookup_decl_from_uid): New function.
17274         (remove_decl_from_map): Likewise.
17275         (print_decl_for_uid_map_statistics): New helper.
17276         (dump_tree_statistics): Call it.
17277
17278         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17279         (referenced_var_iterator): Adjust.
17280         (FOR_EACH_REFERENCED_VAR): Adjust.
17281         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17282         (num_referenced_vars): Adjust.
17283         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17284         (first_referenced_var): Remove.
17285         (end_referenced_vars_p): Likewise.
17286         (next_referenced_var): Likewise.
17287         (referenced_var_iterator_set): New helper function.
17288         * tree-dfa.c (referenced_var_lookup): Adjust.
17289         (referenced_var_check_and_insert): Likewise.
17290         (remove_referenced_var): Likewise.
17291         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17292         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17293         (verify_call_clobbering): Likewise.
17294         (verify_memory_partitions): Likewise.
17295         (init_tree_ssa): Allocate bitmap instead of hashtable for
17296         referenced_vars.
17297         (delete_tree_ssa): Adjust.
17298         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17299         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17300         (compute_tag_properties): Likewise.
17301         (set_initial_properties): Likewise.
17302         (find_partition_for): Likewise.
17303         (update_reference_counts): Likewise.
17304         (dump_may_aliases_for): Likewise.
17305         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17306         (add_call_clobber_ops): Likewise.
17307         (add_call_read_ops): Likewise.
17308         (get_asm_expr_operands): Likewise.
17309         * tree-into-ssa.c (dump_decl_set): Likewise.
17310         (update_ssa): Likewise.
17311         * tree-sra.c (scan_function): Likewise.
17312         (decide_instantiations): Likewise.
17313         (scalarize_parms): Likewise.
17314         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17315         (dsa_named_for): Likewise.
17316         * tree-ssa-structalias.c (update_alias_info): Likewise.
17317         (merge_smts_into): Likewise.
17318
17319 2008-02-27  David Daney  <ddaney@avtrex.com>
17320
17321         PR target/34409
17322         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
17323         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
17324         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
17325         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
17326         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
17327
17328 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
17329
17330         PR target/25477
17331         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
17332         (BUILT_IN_NEXTTOWARD): Remove.
17333         (BUILT_IN_NEXTTOWARDF): Ditto.
17334         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
17335         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
17336
17337 2008-02-27  Tom Tromey  <tromey@redhat.com>
17338
17339         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
17340         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
17341
17342 2008-02-27  Jan Beulich  <jbeulich@novell.com>
17343
17344         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
17345         update the respective field on newdecl.
17346
17347 2008-02-27  Revital Eres  <eres@il.ibm.com>
17348
17349         PR rtl-optimization/34999
17350         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
17351         crossing edges that ends with a call insn.
17352         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
17353         call insn and clear the EDGE_CROSSING flag of the crossing edge
17354         when fixing fallthru edges.
17355
17356 2008-02-27  Richard Guenther  <rguenther@suse.de>
17357
17358         PR middle-end/35390
17359         * fold-const.c (fold_unary): Return the correct argument,
17360         converted to the result type.
17361
17362 2008-02-27  Richard Guenther  <rguenther@suse.de>
17363
17364         PR middle-end/34971
17365         * expr.c (expand_expr_real_1): Assert on rotates that operate
17366         on partial modes.
17367         * fold-const.c (fold_binary): Use the types precision, not the
17368         bitsize of the mode if folding rotate expressions.  Build rotates
17369         only for full modes.
17370
17371 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
17372
17373         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
17374         and CPP_PRAGMA_EOL.
17375         * c-pragma.c (pragma_ns_name): New typedef.
17376         (registered_pp_pragmas): New variable.
17377         (c_pp_lookup_pragma): New function.
17378         (c_register_pragma_1): If flag_preprocess_only, do nothing
17379         for non-expanded pragmas, for expanded ones push pragma's
17380         namespace and name into registered_pp_pragmas vector.
17381         (c_invoke_pragma_handler): Register OpenMP pragmas even when
17382         flag_preprocess_only, don't register GCC pch_preprocess
17383         pragma if flag_preprocess_only.
17384         * c-opts.c (c_common_init): Call init_pragma even if
17385         flag_preprocess_only.
17386         * c-pragma.c (c_pp_lookup_pragma): New prototype.
17387         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
17388         cpp_register_pragma if flag_preprocess_only.
17389
17390 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17391
17392         PR c/28800
17393         * c-parser.c (c_parser_translation_unit): Warn for empty
17394         translation unit, not empty source file.
17395
17396 2008-02-26  Paul Brook  <paul@codesourcery.com>
17397
17398         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
17399         operand for Thumb-2.
17400         * config/arm/arm.h (reg_class): Add CORE_REGS.
17401         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
17402         (BASE_REG_CLASS): Use CORE_REGS.
17403         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
17404         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
17405         (REGNO_OK_FOR_INDEX_P): Exclude SP.
17406         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
17407         ARM_REGNO_OK_FOR_INDEX_P.
17408         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
17409         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
17410         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
17411         (ldm/stm peepholes): Ditto.
17412         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
17413         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
17414         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
17415         * config/arm/constraints.md: Enable "k" constraint on ARM.
17416
17417 2008-02-27  Ben Elliston  <bje@au.ibm.com>
17418
17419         * config/rs6000/rs6000.c: Annotate cache line size field in all
17420         instances of struct processor_costs.
17421
17422 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
17423
17424         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
17425         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
17426         jump_bypass): New counters.
17427         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
17428         * dce.c (gate_ud_dce): Same.
17429         (gate_fast_dce): Same.
17430         * dse.c (gate_dse1): New function.
17431         (gate_dse2): New function.
17432         (gate_dse): Merge results of new gate functions.
17433         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
17434         (gate_handle_jump_bypass): Add dbg_cnt.
17435         (gate_handle_gcse): Add dbg_cnt.
17436         * ifcvt.c (gate_handle_if_conversion): Same.
17437         (gate_handle_if_after_combine): Same.
17438         (gate_handle_if_after_reload): Same.
17439         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
17440
17441 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
17442
17443         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
17444         line sizes.
17445         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
17446
17447 2008-02-26  Jason Merrill  <jason@redhat.com>
17448
17449         PR c++/35315
17450         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
17451         alone if it's the naming decl for the type's main variant.
17452
17453 2008-02-26  Tom Tromey  <tromey@redhat.com>
17454
17455         * system.h (USE_MAPPED_LOCATION): Poison.
17456         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
17457         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
17458         (make_goto_expr_edges): Likewise.
17459         (remove_bb): Likewise.
17460         (execute_warn_function_return): Likewise.
17461         * basic-block.h (struct edge_def) <goto_locus>: Change type to
17462         location_t.
17463         * c-common.c (fname_decl): Remove old location code.
17464         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
17465         location code.
17466         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
17467         variant.
17468         (ASM_INPUT_SOURCE_LOCATION): Likewise.
17469         (gen_rtx_ASM_INPUT): Likewise.
17470         (gen_rtx_ASM_INPUT_loc): Likewise.
17471         (get_rtx_asm_OPERANDS): Remove.
17472         * cfglayout.c (insn_locators_alloc): Remove old location code.
17473         (set_curr_insn_source_location): Likewise.
17474         (curr_insn_locator): Likewise.
17475         * print-tree.c (print_node): Remove old location code.
17476         * tree-mudflap.c (mf_varname_tree): Remove old location code.
17477         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
17478         * cfgexpand.c (expand_gimple_cond_expr): Don't use
17479         location_from_locus.
17480         (construct_exit_block): Remove old location code.
17481         * emit-rtl.c (force_next_line_note): Remove old location code.
17482         * profile.c (branch_prob): Remove old location code.
17483         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
17484         LOC_LINE): Remove old-location variants.
17485         * langhooks.c (lhd_print_error_function): Remove old location
17486         code.
17487         * configure, config.in: Rebuilt.
17488         * configure.ac (--enable-mapped-location): Remove.
17489         * c-decl.c (c_init_decl_processing): Remove old location code.
17490         (finish_function): Likewise.
17491         * recog.c (decode_asm_operands): Remove old location code.
17492         * c-pch.c (c_common_read_pch): Remove old location code.
17493         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
17494         variants.
17495         * gimple-low.c (lower_function_body): Remove old location code.
17496         * toplev.c (unknown_location): Remove.
17497         (push_srcloc): Remove old-location variant.
17498         (process_options): Remove old location code.
17499         (lang_dependent_init): Likewise.
17500         * input.h (UNKNOWN_LOCATION): Move definition.
17501         (location_t): Undeprecate.
17502         (source_locus): Remove.
17503         (location_from_locus): Remove.
17504         (struct location_s): Remove.
17505         Remove all old-location code.
17506         (input_line, input_filename): Remove.
17507         * final.c (final_scan_insn): Remove old location code.
17508         * diagnostic.c (diagnostic_build_prefix): Remove
17509         USE_MAPPED_LOCATION test.
17510         * tree.h (gimple_stmt) <locus>: Now a location_t.
17511         (tree_exp) <locus>: Likewise.
17512         (DECL_IS_BUILTIN): Remove old-location variant.
17513         (annotate_with_file_line, annotate_with_locus): Likewise.
17514         (expr_locus, set_expr_locus): Update.
17515         * tree.c (build1_stat): Remove old location code.
17516         (last_annotated_node): Remove.
17517         (annotate_with_file_line): Remove old-location variant.
17518         (annotate_with_locus): Likewise.
17519         (expr_location): Remove old location code.
17520         (set_expr_location): Likewise.
17521         (expr_has_location): Likewise.
17522         (expr_locus): Likewise.
17523         (set_expr_locus): Likewise.
17524         (expr_filename): Don't use location_from_locus.
17525         (expr_lineno): Likewise.
17526         * rtl-error.c (location_for_asm): Remove old location code.
17527         * c-lex.c (cb_line_change): Remove old location code.
17528         (fe_file_change): Likewise.
17529         (cb_def_pragma): Likewise.
17530         (c_lex_with_flags): Likewise.
17531         * gengtype.c (do_typedef): Don't special-case location types.
17532         (define_location_structures): Remove.
17533         (main): Don't call define_location_structures.
17534         * tree-pretty-print.c (dump_implicit_edges): Remove old location
17535         code.
17536
17537 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17538
17539         PR 26264
17540         * builtins.def (BUILT_IN_STDARG_START): Remove.
17541         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
17542         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
17543         * tree-inline.c (inline_forbidden_p_1): Likewise.
17544
17545 2008-02-26  Richard Guenther  <rguenther@suse.de>
17546
17547         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17548         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17549         (lookup_decl_from_uid): Declare.
17550         (remove_decl_from_map): Likewise.
17551         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17552         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17553         (decl_for_uid_map): New global hashtable mapping DECL_UID
17554         to the decl tree.
17555         (init_ttree): Allocate it.
17556         (insert_decl_to_uid_decl_map): New helper function.
17557         (make_node_stat): Insert new decls into the map.
17558         (copy_node_stat): Likewise.
17559         (lookup_decl_from_uid): New function.
17560         (remove_decl_from_map): Likewise.
17561         (print_decl_for_uid_map_statistics): New helper.
17562         (dump_tree_statistics): Call it.
17563
17564         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17565         (referenced_var_iterator): Adjust.
17566         (FOR_EACH_REFERENCED_VAR): Adjust.
17567         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17568         (num_referenced_vars): Adjust.
17569         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17570         (first_referenced_var): Remove.
17571         (end_referenced_vars_p): Likewise.
17572         (next_referenced_var): Likewise.
17573         (referenced_var_iterator_set): New helper function.
17574         * tree-dfa.c (referenced_var_lookup): Adjust.
17575         (referenced_var_check_and_insert): Likewise.
17576         (remove_referenced_var): Likewise.
17577         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17578         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17579         (verify_call_clobbering): Likewise.
17580         (verify_memory_partitions): Likewise.
17581         (init_tree_ssa): Allocate bitmap instead of hashtable for
17582         referenced_vars.
17583         (delete_tree_ssa): Adjust.
17584         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17585         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17586         (compute_tag_properties): Likewise.
17587         (set_initial_properties): Likewise.
17588         (find_partition_for): Likewise.
17589         (update_reference_counts): Likewise.
17590         (dump_may_aliases_for): Likewise.
17591         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17592         (add_call_clobber_ops): Likewise.
17593         (add_call_read_ops): Likewise.
17594         (get_asm_expr_operands): Likewise.
17595         * tree-into-ssa.c (dump_decl_set): Likewise.
17596         (update_ssa): Likewise.
17597         * tree-sra.c (scan_function): Likewise.
17598         (decide_instantiations): Likewise.
17599         (scalarize_parms): Likewise.
17600         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17601         (dsa_named_for): Likewise.
17602         * tree-ssa-structalias.c (update_alias_info): Likewise.
17603         (merge_smts_into): Likewise.
17604
17605 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17606
17607         PR 34351
17608         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
17609         * c-opts.c (c_common_handle_option): Wall enables
17610         Wvolatile-register-var.
17611         * common.opt: Move Wvolatile-register-var to...
17612         * c.opt: ...here.
17613
17614 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17615
17616         * common.opt (Wlarger-than=): New.
17617         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
17618         -Wlarger-than=.
17619         * opts.c (common_handle_option): Handle -Wlarger-than=.
17620         * optc-gen.awk: Likewise.
17621         * opth-gen.awk: Likewise.
17622         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
17623         * tree-optimize.c (tree_rest_of_compilation): Likewise.
17624
17625 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17626
17627         * c-common.c (match_case_to_enum_1): Add appropriate
17628         OPT_W* parameter to warning.
17629         (c_do_switch_warnings): Likewise.
17630         * c-typeck.c (warning_init): Add one more parameter following
17631         'warning' function.
17632         (push_init_level): Update call to warning_init.
17633         (pop_init_level): Likewise.
17634         (add_pending_init): Likewise.
17635         (output_init_element: Likewise.
17636
17637 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17638
17639         PR 28322
17640         * toplev.c (toplev_main): If there are warnings or error, print
17641         errors for ignored options.
17642         * opts.c (ignored_options): New static variable.
17643         (postpone_unknown_option_error): New.
17644         (print_ignored_options): New.
17645         (handle_option): Postpone errors for unknown -Wno-* options.
17646         * opts.h (print_ignored_options): Declare.
17647
17648 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
17649
17650         * config/mips/mips.md (loadgp_blockage, blockage): Change type
17651         to "ghost".
17652
17653 2008-02-25  Richard Guenther  <rguenther@suse.de>
17654
17655         Revert:
17656         2008-02-25  Richard Guenther  <rguenther@suse.de>
17657
17658         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17659         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17660         (lookup_decl_from_uid): Declare.
17661         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17662         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17663         (decl_for_uid_map): New global hashtable mapping DECL_UID
17664         to the decl tree.
17665         (init_ttree): Allocate it.
17666         (insert_decl_to_uid_decl_map): New helper function.
17667         (make_node_stat): Insert new decls into the map.
17668         (copy_node_stat): Likewise.
17669         (lookup_decl_from_uid): New function.
17670         (print_decl_for_uid_map_statistics): New helper.
17671         (dump_tree_statistics): Call it.
17672
17673         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17674         (referenced_var_iterator): Adjust.
17675         (FOR_EACH_REFERENCED_VAR): Adjust.
17676         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17677         (num_referenced_vars): Adjust.
17678         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17679         (first_referenced_var): Remove.
17680         (end_referenced_vars_p): Likewise.
17681         (next_referenced_var): Likewise.
17682         (referenced_var_iterator_set): New helper function.
17683         * tree-dfa.c (referenced_var_lookup): Adjust.
17684         (referenced_var_check_and_insert): Likewise.
17685         (remove_referenced_var): Likewise.
17686         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17687         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17688         (verify_call_clobbering): Likewise.
17689         (verify_memory_partitions): Likewise.
17690         (init_tree_ssa): Allocate bitmap instead of hashtable for
17691         referenced_vars.
17692         (delete_tree_ssa): Adjust.
17693         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17694         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17695         (compute_tag_properties): Likewise.
17696         (set_initial_properties): Likewise.
17697         (find_partition_for): Likewise.
17698         (update_reference_counts): Likewise.
17699         (dump_may_aliases_for): Likewise.
17700         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17701         (add_call_clobber_ops): Likewise.
17702         (add_call_read_ops): Likewise.
17703         (get_asm_expr_operands): Likewise.
17704         * tree-into-ssa.c (dump_decl_set): Likewise.
17705         (update_ssa): Likewise.
17706         * tree-sra.c (scan_function): Likewise.
17707         (decide_instantiations): Likewise.
17708         (scalarize_parms): Likewise.
17709         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17710         (dsa_named_for): Likewise.
17711         * tree-ssa-structalias.c (update_alias_info): Likewise.
17712         (merge_smts_into): Likewise.
17713
17714 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
17715
17716         PR fortran/29549
17717         * doc/invoke.texi (-fcx-limited-range): Document new option.
17718         * toplev.c (process_options): Handle -fcx-fortran-rules.
17719         * common.opt: Add documentation for -fcx-fortran-rules.
17720
17721 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
17722
17723         PR c/35162
17724         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
17725         actual behaviour and C99.
17726
17727 2008-02-26  Ben Elliston  <bje@au.ibm.com>
17728
17729         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
17730         (ASM_CPU_POWER6_SPEC): Likewise.
17731         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
17732         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
17733         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
17734
17735 2008-02-25  Richard Guenther  <rguenther@suse.de>
17736
17737         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17738         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17739         (lookup_decl_from_uid): Declare.
17740         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17741         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17742         (decl_for_uid_map): New global hashtable mapping DECL_UID
17743         to the decl tree.
17744         (init_ttree): Allocate it.
17745         (insert_decl_to_uid_decl_map): New helper function.
17746         (make_node_stat): Insert new decls into the map.
17747         (copy_node_stat): Likewise.
17748         (lookup_decl_from_uid): New function.
17749         (print_decl_for_uid_map_statistics): New helper.
17750         (dump_tree_statistics): Call it.
17751
17752         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17753         (referenced_var_iterator): Adjust.
17754         (FOR_EACH_REFERENCED_VAR): Adjust.
17755         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17756         (num_referenced_vars): Adjust.
17757         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17758         (first_referenced_var): Remove.
17759         (end_referenced_vars_p): Likewise.
17760         (next_referenced_var): Likewise.
17761         (referenced_var_iterator_set): New helper function.
17762         * tree-dfa.c (referenced_var_lookup): Adjust.
17763         (referenced_var_check_and_insert): Likewise.
17764         (remove_referenced_var): Likewise.
17765         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17766         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17767         (verify_call_clobbering): Likewise.
17768         (verify_memory_partitions): Likewise.
17769         (init_tree_ssa): Allocate bitmap instead of hashtable for
17770         referenced_vars.
17771         (delete_tree_ssa): Adjust.
17772         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17773         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17774         (compute_tag_properties): Likewise.
17775         (set_initial_properties): Likewise.
17776         (find_partition_for): Likewise.
17777         (update_reference_counts): Likewise.
17778         (dump_may_aliases_for): Likewise.
17779         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17780         (add_call_clobber_ops): Likewise.
17781         (add_call_read_ops): Likewise.
17782         (get_asm_expr_operands): Likewise.
17783         * tree-into-ssa.c (dump_decl_set): Likewise.
17784         (update_ssa): Likewise.
17785         * tree-sra.c (scan_function): Likewise.
17786         (decide_instantiations): Likewise.
17787         (scalarize_parms): Likewise.
17788         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17789         (dsa_named_for): Likewise.
17790         * tree-ssa-structalias.c (update_alias_info): Likewise.
17791         (merge_smts_into): Likewise.
17792
17793 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
17794
17795         PR target/35258
17796         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
17797         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
17798         * alias.h (nonoverlapping_memrefs_p): Likewise.
17799
17800 2008-02-25  Jan Beulich  <jbeulich@novell.com>
17801
17802         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
17803         * config/i386/netware-libgcc.exp: Add __bswap?i2,
17804         __emultls_get_address, __emultls_register_common,
17805         __floatundi?f, and _Unwind_GetIPInfo.
17806         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
17807         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
17808         (gen_regparm_prefix): Likewise.
17809         (i386_nlm_encode_section_info): Sync with
17810         config/i386/winnt.c:i386_pe_encode_section_info().
17811         (i386_nlm_maybe_mangle_decl_assembler_name): New.
17812         i386_nlm_mangle_decl_assembler_name): New.
17813         (netware_override_options): New.
17814         * config/i386/netware.h (netware_override_options): Declare.
17815         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
17816         (i386_nlm_mangle_decl_assembler_name): Declare.
17817         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
17818
17819 2008-02-25  Ben Elliston  <bje@au.ibm.com>
17820
17821         PR other/32948
17822         * c-decl.c (grokdeclarator): Remove unused local variables
17823         `typedef_type' and `type_as_written'.
17824         * bb-reorder.c
17825         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
17826         unused local variable `has_hot_blocks'.
17827         (fix_crossing_conditional_branches): Remove unused local variable
17828         `prev_bb'.
17829
17830 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
17831
17832         PR middle-end/19984
17833         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
17834         using DEF_C99_BUILTIN.
17835         (BUILT_IN_NANF): Ditto.
17836         (BUILT_IN_NANL): Ditto.
17837
17838 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
17839             Revital Eres  <eres@il.ibm.com>
17840
17841         * modulo-sched.c (calculate_must_precede_follow): Address TODO
17842         regarding the order of two dependent insns in the same row.
17843
17844 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
17845
17846         * stor-layout.c (layout_decl): Do not bump the alignment of a
17847         bit-field to more than byte alignment if it is packed.
17848
17849 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
17850
17851         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
17852         e300c2 and e300c3.
17853
17854 2008-02-24  Diego Novillo  <dnovillo@google.com>
17855
17856         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
17857
17858         PR 33738
17859         * tree-vrp.c (vrp_evaluate_conditional): With
17860         -Wtype-limits, emit a warning when comparing against a
17861         constant outside the natural range of OP0's type.
17862         * c.opt (Wtype-limits): Move ...
17863         * common.opt (Wtype-limits): ... here.
17864
17865 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
17866
17867         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
17868         * config/rs6000/e300c2c3.md: New file.
17869         * config/rs6000/rs6000.c (processor_costs): Add new costs for
17870         e300c2 and e300c3.
17871         (rs6000_override_options): Add e300c2 and e300c3 cases to
17872         processor_target_table. Do not allow usage of Altivec or Spe
17873         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
17874         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
17875         * config/rs6000/rs6000.h (processor_type): Add
17876         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
17877         (ASM_CPU_SPEC): Add e300c2 and e300c3.
17878         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
17879         and ppce300c3. Include e300c2c3.md.
17880
17881 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
17882
17883         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
17884         instead of TARGET_STRICT_ALIGN.
17885
17886 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
17887
17888         * explow.c (memory_address): Assert that the generated address is
17889         valid.
17890
17891 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
17892
17893         PR target/25477
17894         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
17895         * config/darwin-ppc-ldouble-patch.def: New file.
17896         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
17897         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
17898         SUBTARGET_INIT_BUILTINS if defined.
17899         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
17900         New functions.
17901
17902 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17903
17904         PR rtl-opt/33512
17905         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
17906         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
17907
17908 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17909
17910         PR pch/35027
17911         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
17912         file" warning condtional on -Winvalid-PCH.
17913
17914 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
17915
17916         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
17917
17918 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
17919
17920         PR target/22076
17921         PR target/34256
17922         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
17923         prevent reload from using MMX registers.
17924         (*mov<mode>_internal): Ditto.
17925         (*movv2sf_internal_rex64): Ditto.
17926         (*movv2sf_internal): Ditto.
17927
17928 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17929
17930         PR documentation/31569
17931         * doc/install.texi2html: Use makeinfo --no-number-sections.
17932
17933 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
17934
17935         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
17936         ensure that we can address an entire entity > 8 bytes.  Don't
17937         generate reg+reg addressing for such data.
17938
17939 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
17940
17941         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
17942         strings when optimizing for size, unless the target cares about
17943         alignment.
17944
17945 2008-02-22  Tom Tromey  <tromey@redhat.com>
17946
17947         * regclass.c (current_pass): Remove declaration.
17948
17949 2008-02-22  Anatoly Sokolov <aesok@post.ru>
17950
17951         * config/avr/libgcc.S (__RAMPZ__): Define.
17952         (__do_copy_data): Add for devices with 128KB code memory.
17953
17954 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
17955
17956         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
17957         Use spe_abi.
17958         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
17959
17960 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
17961
17962         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
17963         GENNONACR_REGS.
17964
17965 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17966
17967         PR c/19999
17968         * c-typeck.c (build_binary_op): Warn about floating point
17969         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
17970
17971 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
17972
17973         PR target/34526
17974         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
17975         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
17976         add vrsave.
17977         (rs6000_override_options): Set altivec_abi as default, not override,
17978         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
17979         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
17980         is used; use new member spe_abi.
17981         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
17982         spe_abi and altivec_abi.
17983
17984 2008-02-22  Tomas Bily  <tbily@suse.cz>
17985
17986         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
17987
17988 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17989
17990         PR bootstrap/35273
17991         * config.build (build_file_translate): Set to `CMD //c' only if
17992         it works.
17993         * Makefile.in (build_file_translate): Improve comment.
17994
17995 2008-02-21  Jan Hubicka  <jh@suse.cz>
17996
17997         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
17998         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
17999         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
18000
18001 2008-02-21  Michael Matz  <matz@suse.de>
18002
18003         PR target/35264
18004         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
18005
18006 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
18007
18008         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
18009         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
18010         as insn constraint.
18011         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
18012         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
18013         SSE_VEC_FLOAT_MODE_P as insn constraint.
18014         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
18015         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
18016         sse4a_movntdf using MODEF mode iterator.
18017         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
18018         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
18019         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
18020         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
18021         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
18022         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
18023         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
18024
18025 2008-02-21  Richard Guenther  <rguenther@suse.de>
18026
18027         * tree.def (PAREN_EXPR): New tree code.
18028         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
18029         and PAREN_EXPR.
18030         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
18031         * expr.c (expand_expr_real_1): Likewise.
18032         * tree-inline.c (estimate_num_insns_1): Likewise.
18033         * tree-complex.c (expand_complex_move): Likewise.
18034         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
18035         as plain x.
18036
18037 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18038
18039         PR target/35225
18040         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
18041
18042 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18043
18044         PR target/35190
18045         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
18046
18047         * config/sh/sh.c (find_barrier): Don't go past
18048         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
18049
18050 2008-02-20  DJ Delorie  <dj@redhat.com>
18051
18052         * config/h8300/h8300.md (insv): Force source operand to be a register.
18053
18054         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
18055         as a jump, not as a plain insn.
18056
18057 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
18058
18059         * doc/invoke.texi (Warning Options): Add new option
18060         -Wframe-larger-than=.
18061         (-Wframe-larger-than): Document.
18062
18063         * flags.h (warn_frame_larger_than, frame_larger_than_size):
18064         Add declarations for new option variables.
18065
18066         * final.c (final_start_function): Check the frame size
18067         before emission and issue a Wframe-larger-than warning.
18068
18069         * opts.c (warn_frame_larger_than, frame_larger_than_size):
18070         Add definitions for new option variables.
18071         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
18072
18073         * common.opt (Wframe-larger-than=): New option.
18074
18075 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18076
18077         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
18078         (<sse>_div<mode>3): Ditto.
18079         (<sse>_vmdiv<mode>3): Ditto.
18080         (<sse>_vmsqrt<mode>2): Ditto.
18081         (*smax<mode>3): Ditto.
18082         (sse5_frcz<mode>2): Ditto.
18083         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
18084         as insn constraint.
18085
18086 2008-02-20  Richard Guenther  <rguenther@suse.de>
18087
18088         PR middle-end/35265
18089         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
18090         be happy with INTEGRAL_TYPE_P.
18091
18092 2008-02-20  Richard Guenther  <rguenther@suse.de>
18093
18094         * fold-const.c (split_tree): Associate floatig-point expressions
18095         if flag_associative_math is set.
18096
18097 2008-02-20  Richard Guenther  <rguenther@suse.de>
18098
18099         * tree.h (fold_real_zero_addition_p): Declare.
18100         * fold-const.c (fold_real_zero_addition_p): Export.
18101         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
18102         floating-point operations with zero and one.
18103
18104 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
18105
18106         * doc/install.texi: Correct references to CFLAGS, replacing them
18107         with BOOT_CFLAGS.  Document flags used during bootstrap for
18108         target libraries.
18109
18110 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18111
18112         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
18113         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
18114         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
18115         insn constraint.
18116         (smin<mode>3): Ditto from similar patterns.
18117         (smax<mode>3): Ditto.
18118         (*ieee_smin<mode>3): Ditto.
18119         (*ieee_smax<mode>3): Ditto.
18120         * config/i386/sse.md (sse): New mode attribute.
18121         (mov<mode>): Macroize expander from movv4sf and movv2df using
18122         SSEMODEF2P mode iterator.
18123         (<sse>_movnt<mode>): Ditto from similar patterns. Use
18124         SSE_VEC_FLOAT_MODE_P as insn constraint.
18125         (storent<mode>): Ditto.
18126         (storent<mode>): Macroize expander from storentsf and storentdf using
18127         MODEF mode iterator.
18128         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
18129         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
18130         (abs<mode>2): Ditto from similar patterns.
18131         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
18132         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
18133         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
18134         (<sse>_vmsqrt<mode>2): Ditto.
18135         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
18136         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
18137         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
18138         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
18139         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
18140         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
18141         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
18142         insn constraint.
18143         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
18144         iterator and SSE_FLOAT_MODE_P as insn constraint.
18145         (<sse>_ucomi): Ditto from similar patterns.
18146         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
18147         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
18148         SSE_VEC_FLOAT_MODE_P as insn constraint.
18149         (vcond<mode>): Ditto from similar patterns.
18150         (and<mode>3, *and<mode>3): Ditto.
18151         (<sse>_nand<mode>3): Ditto.
18152         (ior<mode>3, *ior<mode>3): Ditto.
18153         (xor<mode>3, *xor<mode>3): Ditto.
18154         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
18155         iterator and SSE_FLOAT_MODE_P as insn constraint.
18156         (*nand<mode>3): Ditto from similar patterns.
18157         (*ior<mode>3): Ditto.
18158         (*xor<mode>3): Ditto.
18159
18160 2008-02-20  Ira Rosen  <irar@il.ibm.com>
18161
18162         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
18163         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
18164         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
18165
18166 2008-02-19  Jan Hubicka  <jh@suse.cz>
18167
18168         * predict.c (tree_bb_level_predictions): Remove variable next
18169         mistakely introduced by previous commit.
18170
18171 2008-02-19  Jan Hubicka  <jh@suse.cz>
18172
18173         * predict.c (predict_paths_leading_to): Rewrite.
18174         (predict_paths_for_bb): New.
18175         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
18176
18177 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18178
18179         PR bootstrap/35218
18180         * Makefile.in (build_file_translate): New.
18181         (gcc-vers.texi): Use it for translating $(abs_srcdir).
18182         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
18183         * configure.ac (build_file_translate): Substitute it.
18184         * configure: Regenerate.
18185
18186 2008-02-19  Jan Hubicka  <jh@suse.cz>
18187
18188         PR rtl-optimization/34408
18189         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
18190         invalid sharing.
18191
18192 2008-02-19  Jan Hubicka  <jh@suse.cz>
18193
18194         PR middle-end/28779
18195         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
18196         call_expr.
18197
18198 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
18199
18200         PR Ada/35186
18201         * config/i386/i386-modes.def: Revert the last DI alignment
18202         change until Ada people can look into it.
18203
18204 2008-02-19  Nick Clifton  <nickc@redhat.com>
18205
18206         * opts.c (print_specific_help): Fix typo in --help text.
18207
18208 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
18209
18210         PR target/35239
18211         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
18212         32-bit inline asm without asm alternatives for host GCC < 3.0.
18213
18214 2008-02-19  Richard Guenther  <rguenther@suse.de>
18215
18216         PR tree-optimization/34989
18217         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
18218         Allow propagation to INDIRECT_REF if we can simplify only.
18219
18220 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18221
18222         * c-common.c (warn_for_collisions_1): Use appropriate option when
18223         warning.
18224
18225 2008-02-19  Nick Clifton  <nickc@redhat.com>
18226
18227         PR other/31349
18228         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
18229         (handle_options): Fix indentation.
18230         (print_filtered_help): If no language-specific options were
18231         displayed tell the user how to list all the options supported by
18232         the language's front-end.
18233         (print_specific_help): Fix indentation and remove duplicate line.
18234         (common_handle_option): Handle the -v option.
18235         For --help enable the display of undocumented options if the -v
18236         switch has been included on the command line.
18237         For --help= check for overlaps in the arguments between the option
18238         classes and the language names and issue a warning when they
18239         cannot be disambiguated.
18240         * c.opt (v): Pass on to the common option handler.
18241
18242 2008-02-19  Revital Eres  <eres@il.ibm.com>
18243
18244         * modulo-sched.c (sms_schedule): Change dump message when
18245         create_ddg function fails.
18246         (try_scheduling_node_in_cycle): Rename row to cycle.
18247         (print_partial_schedule): Rename CYCLE to ROW.
18248
18249 2008-02-19  Christian Bruel  <christian.bruel@st.com>
18250             Zdenek Dvorak  <ook@ucw.cz>
18251
18252         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
18253
18254 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
18255
18256         PR target/33555
18257         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
18258         (*x86_movdicc_0_m1_se): Ditto.
18259
18260 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
18261
18262         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
18263         (CMPtype): Define as __gcc_CMPtype.
18264         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
18265         (CMPtype): Define as __gcc_CMPtype.
18266
18267 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
18268
18269         Support valgrind 3.3 for --enable-checking=valgrind.
18270         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
18271         here.
18272         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
18273         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
18274         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
18275         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
18276         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
18277         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
18278         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
18279         respectively.
18280         * ggc-zone.c: Similar.
18281         * ggc-page.c: Similar.
18282
18283 2008-02-19  Paul Brook  <paul@codesourcery.com>
18284
18285         PR target/35071
18286         * config/arm/ieee754-df.S: Fix do_it typo.
18287         * config/arm/ieee754-sf.S: Fix do_it typo.
18288
18289 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
18290
18291         PR target/35189
18292         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
18293         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
18294         (OPTION_MASK_ISA_SSE_SET): Likewise.
18295         (OPTION_MASK_ISA_SSE2_SET): Likewise.
18296         (OPTION_MASK_ISA_SSE3_SET): Likewise.
18297         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
18298         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
18299         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
18300         (OPTION_MASK_ISA_SSE4_SET): Likewise.
18301         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
18302         (OPTION_MASK_ISA_SSE5_SET): Likewise.
18303         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
18304         (OPTION_MASK_ISA_MMX_UNSET): Updated.
18305         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
18306         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
18307         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
18308         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
18309         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
18310         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
18311         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
18312         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
18313         (OPTION_MASK_ISA_SSE4): Removed.
18314         (ix86_handle_option): Turn on bits in ix86_isa_flags and
18315         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
18316         (override_options): Don't turn on implied SSE/MMX bits in
18317         ix86_isa_flags.
18318
18319 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
18320
18321         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
18322         32bit host.
18323
18324 2008-02-18  Joey Ye  <joey.ye@intel.com>
18325
18326         PR middle-end/34921
18327         * tree-nested.c (insert_field_into_struct): Set type alignment
18328         to field alignment if the former is less than the latter.
18329
18330 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
18331
18332         * BASE-VER: Set to 4.4.0.
18333
18334 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18335
18336         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
18337         * doc/cfg.texi: Likewise.
18338         * doc/extend.texi: Likewise.
18339         * doc/gty.texi: Likewise.
18340         * doc/invoke.texi: Likewise.
18341         * doc/loop.texi: Likewise.
18342         * doc/md.texi: Likewise.
18343         * doc/passes.texi: Likewise.
18344         * doc/rtl.texi: Likewise.
18345         * doc/sourcebuild.texi: Likewise.
18346         * doc/tm.texi: Likewise.
18347         * doc/tree-ssa.texi: Likewise.
18348
18349 2008-02-17  Richard Guenther  <rguenther@suse.de>
18350
18351         PR middle-end/35227
18352         * tree-complex.c (init_parameter_lattice_values): Handle parameters
18353         without default definition.
18354
18355 2008-02-17  Richard Guenther  <rguenther@suse.de>
18356
18357         PR tree-optimization/35231
18358         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
18359         if A | B != 1.
18360
18361 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
18362
18363         Revert:
18364         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18365         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
18366         libgcc_cmp_return mode.
18367
18368 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18369
18370         PR c/28368
18371         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
18372
18373 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
18374
18375         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
18376         multilibs.
18377
18378 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18379
18380         * doc/c-tree.texi: Use `@.' where appropriate.
18381         * doc/extend.texi: Likewise.
18382         * doc/install.texi: Likewise.
18383         * doc/invoke.texi: Likewise.
18384         * doc/loop.texi: Likewise.
18385         * doc/makefile.texi: Likewise.
18386         * doc/md.texi: Likewise.
18387         * doc/passes.texi: Likewise.
18388         * doc/standards.texi: Likewise.
18389         * doc/tm.texi: Likewise.
18390
18391 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
18392
18393         PR middle-end/35196
18394         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
18395         in entry_bb.
18396         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
18397         rather than in entry_bb.
18398
18399 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18400
18401         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
18402         libgcc_cmp_return mode.
18403
18404 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
18405
18406         PR middle-end/35130
18407         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
18408         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
18409
18410 2008-02-15  Richard Guenther  <rguenther@suse.de>
18411             Zdenek Dvorak  <ook@ucw.cz>
18412
18413         PR tree-optimization/35164
18414         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
18415         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
18416         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
18417         Only propagate addresses which do not have abnormal SSA_NAMEs
18418         in their operands.
18419
18420 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
18421
18422         PR target/35088
18423         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
18424
18425 2008-02-15  Jan Hubicka  <jh@suse.cz>
18426
18427         PR middle-end/35149
18428         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
18429
18430 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18431
18432         PR middle-end/34621
18433         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
18434         when calculating alignment_pad.
18435
18436 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18437
18438         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
18439         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
18440         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
18441         and STACK_BOUNDARY define.
18442
18443 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
18444
18445         PR preprocessor/35061
18446         * c-pragma.c (handle_pragma_pop_macro): Check that
18447         pushed_macro_table has been allocated.
18448
18449 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
18450
18451         PR middle-end/35136
18452         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
18453         (force_gimple_operand): Likewise.
18454         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
18455         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
18456         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
18457         (find_interesting_uses_address): Check addressability and alignment
18458         of the base expression only after substituting bases of IVs into it.
18459
18460 2008-02-14  Michael Matz  <matz@suse.de>
18461
18462         PR target/34930
18463         * function.c (instantiate_virtual_regs_in_insn): Reload address
18464         before falling back to reloading the whole operand.
18465
18466 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
18467
18468         * config/s390/s390.c (s390_mainpool_start): Emit the pool
18469         before the first section switch note.
18470
18471 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18472
18473         * doc/bugreport.texi: Update copyright years.
18474         * doc/c-tree.texi: Likewise.
18475         * doc/cfg.texi: Likewise.
18476         * doc/cpp.texi: Likewise.
18477         * doc/cppinternals.texi: Likewise.
18478         * doc/fragments.texi: Likewise.
18479         * doc/frontends.texi: Likewise.
18480         * doc/gcc.texi: Likewise.
18481         * doc/gty.texi: Likewise.
18482         * doc/hostconfig.texi: Likewise.
18483         * doc/implement-c.texi: Likewise.
18484         * doc/libgcc.texi: Likewise.
18485         * doc/loop.texi: Likewise.
18486         * doc/makefile.texi: Likewise.
18487         * doc/options.texi: Likewise.
18488         * doc/passes.texi: Likewise.
18489         * doc/rtl.texi: Likewise.
18490         * doc/sourcebuild.texi: Likewise.
18491         * doc/standards.texi: Likewise.
18492         * doc/tree-ssa.texi: Likewise.
18493         * doc/trouble.texi: Likewise.
18494
18495         * doc/extend.texi: Use @: or add comma where appropriate.
18496         * doc/invoke.texi: Likewise.
18497         * doc/tm.texi: Likewise.
18498
18499 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
18500
18501         PR target/34393
18502         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
18503         to a reg.
18504
18505 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
18506
18507         * doc/md.texi (clz, ctz): Add reference.
18508         * doc/rtl.texi (clz, ctz): Likewise.
18509
18510 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18511
18512         PR other/35148
18513         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
18514         srcdir.
18515
18516 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
18517
18518         * config/s390/s390.c (struct constant_pool): New field
18519         emit_pool_after added.
18520         (s390_mainpool_start): Set the emit_pool_after flag according
18521         to the section switch notes.
18522         (s390_mainpool_finish): Consider emit_pool_after when emitting
18523         the literal pool at the end of the function.
18524         (s390_chunkify_start): Force literal pool splits at section
18525         switch notes.
18526
18527 2008-02-13  Michael Matz  <matz@suse.de>
18528
18529         PR debug/35065
18530         * var-tracking.c (clobber_variable_part): Correctly traverse the
18531         list.
18532
18533 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18534
18535         PR 29673
18536         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
18537         Add -fdump-ipa-inline.
18538         * tree-dump.c (dump_files): Remove tree-inlined dump.
18539         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
18540
18541 2008-02-12  Richard Guenther  <rguenther@suse.de>
18542
18543         PR tree-optimization/35171
18544         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
18545         default defs.
18546
18547 2008-02-12  Richard Guenther  <rguenther@suse.de>
18548
18549         PR middle-end/35163
18550         * fold-const.c (fold_widened_comparison): Use get_unwidened in
18551         value-preserving mode.  Disallow final truncation.
18552
18553 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
18554
18555         PR middle-end/35136
18556         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
18557         code from here to...
18558         (force_gimple_operand): ...here.
18559
18560 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
18561
18562         PR c++/35144
18563         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
18564         non-compatible pointers.
18565         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
18566         different FIELD_DECLs, try harder by comparing field offsets, sizes
18567         and types.
18568
18569         PR inline-asm/35160
18570         * function.c (match_asm_constraints_1): Don't replace the same input
18571         multiple times.
18572
18573 2008-02-12  Anatoly Sokolov <aesok@post.ru>
18574
18575         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
18576         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
18577         (expand_epilogue): Restore RAMPZ register.
18578         * config/avr/avr.md (RAMPZ_ADDR): New constant.
18579
18580 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
18581
18582         * config/i386/cygwin.asm: (__alloca): Correct calling
18583         convention and alignment.
18584         (__chkstk): Force 8 byte stack alignment.
18585
18586 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
18587             Richard Guenther  <rguenther@suse.de>
18588
18589         PR tree-optimization/33992
18590         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
18591         the zero we compare against.
18592
18593 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
18594
18595         PR libfortran/35063
18596         * gthr-win32.h (__gthread_mutex_destroy_function): New function
18597         to CloseHandle after unlocking to prevent accumulation of handle
18598         count.
18599
18600 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18601
18602         PR middle_end/34150
18603         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
18604         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
18605         and update LABEL_NUSES during and after reload.
18606
18607 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
18608
18609         PR middle-end/34627
18610         * combine.c (simplify_if_then_else): Make sure the comparison is
18611         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
18612
18613 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
18614
18615         PR bootstrap/35051
18616         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
18617         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
18618         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
18619         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
18620         * tree.h (get_type_static_bounds): Likewise.
18621
18622 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18623
18624         * doc/invoke.texi (Option Summary, C++ Dialect Options)
18625         (Objective-C and Objective-C++ Dialect Options, Warning Options):
18626         Make -Wfoo language annotations match what the compiler outputs.
18627
18628 2008-02-08  Sa Liu  <saliu@de.ibm.com>
18629
18630         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
18631         intrinsics spu_convts, spu_convtu, spu_convtf.
18632
18633 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
18634
18635         * doc/extend.texi (Function Attributes) <noinline>: Mention
18636         asm ("") as method to keep calls.
18637
18638 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18639
18640         PR other/32754
18641         * doc/options.texi (Options): Replace references to opts.sh with
18642         optc-gen.awk.
18643         * opts-common.c: Likewise.
18644         * optc-gen.awk: Likewise.
18645
18646 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
18647
18648         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
18649
18650 2008-02-07  Richard Henderson  <rth@redhat.com>
18651
18652         PR rtl-opt/33410
18653         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
18654         EXPR_LIST for the REG_EQUAL instead of a comparison with a
18655         funny mode.
18656
18657 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
18658
18659         PR tree-optimization/35085
18660         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
18661         for operand entry oe2 in addition to operand entry oe3 in order to
18662         expose more opportunities for vectorizer sum reduction.
18663
18664 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18665
18666         PR other/35107
18667         * Makefile.in (LIBS): Remove $(GMPLIBS).
18668         (cc1-dummy, cc1): Add $(GMPLIBS).
18669
18670 2008-02-06  Jan Hubicka  <jh@suse.cz>
18671
18672         PR target/23322
18673         * i386.md (moddf_integer): Do not produce partial memory stalls for
18674         targets where it hurts.
18675
18676 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
18677
18678         PR target/35083
18679         * optabs.c (expand_float): Do not check for decimal modes when
18680         expanding unsigned integer through signed conversion.
18681
18682 2008-02-06  Nick Clifton  <nickc@redhat.com>
18683
18684         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
18685         inside the clobber with a match_operand and duplicated operand
18686         number in the constraint.
18687         (ineqbranchsi): Delete redundant comment.
18688
18689 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
18690
18691         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
18692         builtin_define ("__USE_INIT_FINI__").
18693         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
18694         -msx multilibs.
18695         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
18696
18697 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18698
18699         PR documentation/30330
18700         * doc/invoke.texi (C++ Dialect Options)
18701         (Objective-C and Objective-C++ Dialect Options, Warning Options):
18702         For each warning option -Wfoo that allows -Wno-foo, ensure both
18703         -Wfoo and -Wno-foo are listed in the option index.  Fix index
18704         entry of -Wswitch-default, index -Wnormalized= including the
18705         `=', and -Wlarger-than-@var{len} including @var{len}.
18706
18707 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
18708
18709         * config/i386/i386.md (floatunssisf2): Use
18710         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
18711         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
18712         Macroize expander using MODEF mode iterator.
18713
18714 2008-02-05  Diego Novillo  <dnovillo@google.com>
18715
18716         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
18717
18718         PR 33738
18719         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
18720
18721 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18722
18723         PR other/35070
18724         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
18725
18726 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
18727
18728         PR target/35084
18729         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
18730         to indicate if a message should be generated.
18731         (init_cumulative_args): Updated.
18732         (function_value_32): Likewise.
18733
18734 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
18735
18736         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
18737
18738 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
18739
18740         PR target/35083
18741         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
18742         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
18743
18744 2008-02-04  Diego Novillo  <dnovillo@google.com>
18745
18746         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
18747
18748         PR 33738
18749         * tree-vrp.c (vrp_evaluate_conditional): With
18750         -Wtype-limits, emit a warning when comparing against a
18751         constant outside the natural range of OP0's type.
18752
18753 2008-02-04  Richard Guenther  <rguenther@suse.de>
18754
18755         PR middle-end/33631
18756         * expr.c (count_type_elements): Give for unions instead of
18757         guessing.
18758
18759 2008-02-04  Richard Guenther  <rguenther@suse.de>
18760
18761         PR middle-end/35043
18762         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
18763         to TYPE_DOMAINs base type instead of using bitsizetype here.
18764
18765 2008-02-03  Jason Merrill  <jason@redhat.com>
18766
18767         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
18768
18769 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18770
18771         PR other/29972
18772         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
18773         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
18774         (RS/6000 and PowerPC Options): Fix typos and markup.
18775         * doc/passes.texi (Tree-SSA passes): Likewise.
18776
18777 2008-02-02  Michael Matz  <matz@suse.de>
18778
18779         PR target/35045
18780         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
18781         from record_last_reg_set_info.
18782         (record_last_reg_set_info): Take an RTX argument, iterate over all
18783         constituent hardregs.
18784         (record_last_set_info, record_opr_changes): Change calls to
18785         new signature or to record_last_reg_set_info_regno.
18786
18787 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
18788
18789         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
18790
18791 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
18792
18793         PR rtl-optimization/34773
18794         * reg-notes.def (EQUAL): Mention significance of combination of
18795         REG_EQUAL and REG_RETVAL.
18796         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
18797         insn that has a REG_RETVAL.
18798
18799 2008-02-01  Roger Sayle  <roger@eyesopen.com>
18800
18801         PR bootstrap/33781
18802         * configure.ac (--enable-fixed-point): Disable unless explicitly
18803         requested on IRIX.
18804         * configure: Regenerate.
18805
18806 2008-02-01  Richard Guenther  <rguenther@suse.de>
18807
18808         PR other/35042
18809         * invoke.texi (-finline-limit): Remove no longer true parts
18810         of the documentation.  Note that there is no default value.
18811
18812 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
18813             Mark Mitchell  <mark@codesourcery.com>
18814             Ben Elliston  <bje@au.ibm.com>
18815
18816         PR c/29326
18817         * doc/extend.texi (Other Builtins): Document.
18818
18819 2008-01-31  Tom Browder <tom.browder@gmail.com>
18820
18821         * doc/c-tree.texi (Types): Fix grammar.
18822         (Expression trees): Ditto.
18823         * doc/passes.texi (Tree-SSA passes): Ditto.
18824
18825         * doc/configterms.texi (Configure Terms): Fix typo.
18826         * doc/cpp.texi (Common Predefined Macros): Ditto.
18827         * doc/md.texi (Machine Constraints): Ditto.
18828
18829         * doc/makefile.texi (Makefile): Add comma.
18830
18831 2008-01-31  Tom Browder  <tom.browder@gmail.com>
18832             Gerald Pfeifer  <gerald@pfeifer.com>
18833
18834         * doc/sourcebuild.texi (Front End): Remove references to CVS
18835         and CVSROOT/modules.
18836         (Texinfo Manuals): Replace reference to CVS by one to SVN.
18837         (Back End): Remove reference to CVS.
18838
18839 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
18840
18841         PR target/34900
18842         * config/mips/mips.c (gen_load_const_gp): New function, taking a
18843         comment from...
18844         (mips16_gp_pseudo_reg): ...here.
18845         * config/mips/mips.md (load_const_gp): Replace with...
18846         (load_const_gp_<mode>): ...this :P-based insn.
18847
18848 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18849
18850         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
18851         options. Minor fixes.
18852         (-std): Move reference to standards closer to where language
18853         standards are first mentioned.
18854
18855 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
18856
18857         PR rtl-optimization/34995
18858         * reload.c (alternative_allows_const_pool_ref): Take an rtx
18859         parameter and return a bool.  If the rtx parameter is nonnull,
18860         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
18861         (find_reloads): Update call accordingly.  Pass the new operand
18862         if it needed no address reloads, otherwise pass null.
18863
18864 2008-01-30  Richard Henderson  <rth@redhat.com>
18865
18866         PR c/34993
18867         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
18868         for unbounded arrays.
18869
18870 2008-01-30  Silvius Rus  <rus@google.com>
18871
18872         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
18873
18874 2008-01-30  Jan Hubicka  <jh@suse.cz>
18875
18876         PR target/34982
18877         * i386.c (init_cumulative_args): Use real function declaration when
18878         calling locally.
18879
18880 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
18881
18882         PR rtl-optimization/34998
18883         * global.c (build_insn_chain): Treat non-subreg_lowpart
18884         SUBREGs of pseudos as clobbering all the words covered by the
18885         SUBREG, not just all the bytes.
18886         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
18887         original df_ref rather than an extract parameter.
18888         (global_conflicts): Update call accordingly.
18889
18890 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
18891
18892         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
18893         the overflow check to make it easier to read.
18894         (__fixtfdi): Change the type of the ll member in union
18895         long_double to UDItype_x.
18896
18897 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
18898
18899         PR middle-end/34969
18900         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
18901         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
18902         * tree-inline.c (fold_marked_statements): Call
18903         cgraph_update_edges_for_call_stmt if folding a call statement.
18904         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
18905         debug_generic_stmt calls, reset it back afterwards.
18906
18907         PR c/35017
18908         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
18909         static decls.
18910         * c-typeck.c (build_external_ref): Don't pedwarn about
18911         static vars in current function's scope.
18912
18913 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
18914
18915         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
18916
18917 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
18918
18919         PR c/35002
18920         * ipa-struct-reorg.c: Fix spelling.
18921         * params.def: Ditto.
18922
18923 2008-01-29  Richard Guenther  <rguenther@suse.de>
18924
18925         PR middle-end/35006
18926         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
18927         field.
18928         * tree-inline.c (remap_type): Increment remapping_type_depth
18929         around remapping types.
18930         (copy_body_r): Only add referenced variables if they are referenced
18931         from code, not types.
18932
18933 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
18934
18935         PR c++/34055
18936         PR c++/34103
18937         PR c++/34219
18938         PR c++/34606
18939         PR c++/34753
18940         PR c++/34754
18941         PR c++/34755
18942         PR c++/34919
18943         PR c++/34961
18944         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
18945         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
18946
18947 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
18948
18949         PR target/34412
18950         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
18951         pointer for tiny stack.
18952
18953 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
18954
18955         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
18956
18957 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
18958
18959         * config/vx-common.h: Fix typo in comment.
18960
18961 2008-01-28  Ian Lance Taylor  <iant@google.com>
18962
18963         PR c++/34862
18964         PR c++/33407
18965         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
18966         coalesce pointers if they have different DECL_NO_TBAA_P values.
18967         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
18968         between variables with different DECL_NO_TBAA_P values.
18969
18970 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
18971
18972         PR 31535
18973         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
18974         are not legitimate small data references on SPE targets.
18975
18976 2008-01-28  David Daney  <ddaney@avtrex.com>
18977
18978         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
18979
18980 2008-01-28  David Daney  <ddaney@avtrex.com>
18981
18982         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
18983
18984 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
18985
18986         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
18987         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
18988         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
18989         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
18990         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
18991         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
18992         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
18993         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
18994
18995 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
18996
18997         * basic-block.h (condjump_equiv_p): Fix comment.
18998
18999 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19000
19001         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
19002         print_generic_stmt_indented): Fix comment.
19003
19004 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19005
19006         * configure.ac (__stack_chk_fail): Add detecion for availability
19007         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
19008         * configure: Regenerate.
19009
19010 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
19011
19012         PR middle-end/34688
19013         * final.c (output_addr_const): Handle TRUNCATE.
19014
19015 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
19016
19017         PR target/34711
19018         * tree-ssa-loop-ivopts.c (comp_cost): New type.
19019         (zero_cost, infinite_cost): New constants.
19020         (struct cost_pair): Change type of cost to comp_cost.
19021         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
19022         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
19023         New functions.
19024         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
19025         split_address_cost, ptr_difference_cost, difference_cost,
19026         get_computation_cost_at, get_computation_cost,
19027         determine_use_iv_cost_generic, determine_use_iv_cost_address,
19028         determine_use_iv_cost_condition, determine_use_iv_costs,
19029         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
19030         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
19031         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
19032         Change type of cost to comp_cost.
19033         (determine_iv_cost): Increase cost of non-original ivs, instead
19034         of decreasing the cost of original ones.
19035         (get_address_cost): Indicate the complexity of the addressing mode
19036         in comp_cost.
19037         (try_add_cand_for): Prefer using ivs not specific to some object.
19038         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
19039
19040 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
19041             Janis Johnson  <janis187@us.ibm.com>
19042
19043         PR target/34814
19044         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
19045         (TARGET_INSTANTIATE_DECLS): Likewise.
19046         * target.h (expand_to_rtl_hook): New target hook.
19047         (instantiate_decls): Likewise.
19048         * function.c (instantiate_decl): Make non-static.  Rename to...
19049         (instantiate_decl_rtl): ... this.
19050         (instantiate_expr): Use instantiate_decl_rtl.
19051         (instantiate_decls_1): Likewise.
19052         (instantiate_decls): Likewise.
19053         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
19054         * function.h (instantiate_decl_rtl): Add prototype.
19055         * cfgexpand.c (target.h): New include.
19056         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
19057         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
19058         (TARGET_INSTANTIATE_DECLS): Likewise.
19059         (TARGET_INITIALIZER): New target hooks added.
19060         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
19061         New prototype.
19062         * config/rs6000/rs6000.c (tree-flow.h): New include.
19063         (machine_function): Add sdmode_stack_slot field.
19064         (rs6000_alloc_sdmode_stack_slot): New function.
19065         (rs6000_instantiate_decls): Likewise.
19066         (rs6000_secondary_memory_needed_rtx): Likewise.
19067         (rs6000_check_sdmode): Likewise.
19068         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
19069         (TARGET_INSTANTIATE_DECLS): Likewise.
19070         (rs6000_hard_regno_mode_ok): Allow SDmode.
19071         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
19072         (rs6000_emit_move): Handle SDmode.
19073         (function_arg_advance): Likewise.
19074         (function_arg): Likewise.
19075         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
19076         SDmode var args for 32-bit compiles.
19077         (rs6000_secondary_reload_class): Handle SDmode.
19078         (rs6000_output_function_epilogue): Likewise.
19079         (rs6000_function_value): Simplify if statement.
19080         (rs6000_libcall_value): Likewise.
19081         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
19082         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
19083         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
19084         (movsd_hardfloat): New define_insn.
19085         (movsd_softfloat): Likewise.
19086         (movsd_store): Likewise.
19087         (movsd_load): Likewise.
19088         (extendsddd2): Likewise.
19089         (extendsdtd2): Likewise.
19090         (truncddsd2): Likewise.
19091         (movdd_hardfloat64): Fixup comment.
19092         (UNSPEC_MOVSD_LOAD): New constant.
19093         (UNSPEC_MOVSD_STORE): Likewise.
19094
19095 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
19096
19097         PR c++/34965
19098         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
19099         TRUTH_XOR_EXPR.
19100         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
19101         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
19102         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
19103         and TRUTH_XOR_EXPR.
19104
19105 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
19106
19107         PR target/34794
19108         * config.gcc: Separate AIX 5.3 from AIX 6.1.
19109         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
19110         __LONGDOUBLE128 too.
19111         * config/rs6000/aix61.h: New file.
19112
19113 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19114
19115         PR rtl-optimization/34959
19116         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
19117         popcount and parity rtxes the same mode as their operand.
19118         Truncate or extend the result to the return value's mode
19119         if necessary.
19120
19121 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19122
19123         PR target/34981
19124         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
19125         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
19126         to GOT_VERSION_REGNUM.
19127         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
19128         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
19129         * config/mips/mips.c (mips_emit_call_insn): New function.
19130         (mips_call_tls_get_addr): Call mips_expand_call directly.
19131         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
19132         emit_call_insn.
19133         (mips16_build_call_stub): Likewise.  Return the call insn or null.
19134         (mips_expand_call): Update the call to mips16_build_call_stub
19135         accordingly and a remove redundant condition.  Assert that MIPS16
19136         stubs do not use lazy binding.  Use mips_emit_call_insn and return
19137         the call insn.
19138         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
19139         TARGET_USE_GOT.
19140         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
19141         (mips_avoid_hazard): Remove hazard_set handling.
19142         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
19143         (UNSPEC_RESTORE_GP): ...this.
19144         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
19145         (FAKE_CALL_REGNO): Rename to...
19146         (GOT_VERSION_REGNUM): ...this.
19147         (type): Add "ghost" value.  Add an associated insn reservation.
19148         (hazard_set): Remove.
19149         (exception_receiver): Rename to...
19150         (restore_gp): ...this and update the unspec identifier accordingly.
19151         (exception_receiver, nonlocal_got_receiver): New expanders.
19152         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
19153         FAKE_CALL_REGNO.  Remove hazard_set attribute.
19154         (set_got_version, update_got_version): New patterns.
19155
19156 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
19157
19158         PR target/34970
19159         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
19160
19161 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
19162
19163         PR other/31955
19164         * doc/install.texi2html: Generate gcc-vers.texi.
19165
19166 2008-01-25  DJ Delorie  <dj@redhat.com>
19167
19168         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
19169
19170 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
19171
19172         * config/c4x: Remove directory.
19173         * config.gcc (crx-*, mt-*): Mark obsolete.
19174         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
19175         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
19176         sh-*-rtemscoff*): Remove cases.
19177         * defaults.h (C4X_FLOAT_FORMAT): Remove.
19178         * real.c (encode_c4x_single, decode_c4x_single,
19179         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
19180         c4x_extended_format): Remove.
19181         * real.h (c4x_single_format, c4x_extended_format): Remove.
19182         * doc/extend.texi (interrupt, naked): Remove mention of attributes
19183         on C4x.
19184         (Pragmas): Remove comment about c4x pragmas.
19185         * doc/install.texi (c4x): Remove target-specific instructions.
19186         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
19187         * doc/md.texi (Machine Constraints): Remove C4x documentation.
19188         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
19189         refer to C4x source files as examples.
19190         (C4X_FLOAT_FORMAT): Remove documentation.
19191
19192 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
19193
19194         * config/bfin/bfin.c (override_options): Reorder tests so that
19195         flag_pic gets enabled for -msep-data.
19196
19197 2008-01-25  Richard Guenther  <rguenther@suse.de>
19198
19199         PR middle-end/32244
19200         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
19201         to its bitfield precision if required.
19202
19203 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
19204
19205         PR middle-end/33880
19206         * tree-nested.c (walk_omp_for): New function.
19207         (convert_nonlocal_reference, convert_local_reference): Call
19208         walk_omp_for on OMP_FOR.
19209         (convert_call_expr): Call walk_body on OMP_FOR's
19210         OMP_FOR_PRE_INIT_BODY.
19211
19212 2008-01-25  Richard Guenther  <rguenther@suse.de>
19213
19214         PR tree-optimization/34966
19215         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
19216         default defs and PHI_NODEs we have to insert after the
19217         defining statement.
19218
19219 2008-01-24  Nick Clifton  <nickc@redhat.com>
19220
19221         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
19222         Provide a default definition.
19223         (LIBGCC2_UNITS_PER_WORD): Likewise.
19224
19225         * config/stormy16/stormy16.c: Include df.h for the prototype
19226         for df_regs_ever_live_p.
19227         (xstormy16_expand_builtin_va_start): Convert the stack offset
19228         into a component_ref and then use POINTER_PLUS_EXPR to add it
19229         to the incoming_virtual_args_rtx.
19230         (xstormy16_gimplify_va_arg_expr): Rename to
19231         xstormy16_gimplify_va_arg_expr.
19232         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
19233         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
19234         xstormy16_gimplify_va_arg_expr.
19235         Fix up some formatting issues.
19236
19237         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
19238         Move to predicates.md.
19239         (xs_hi_general_operand): Likewise.
19240         (xs_hi_nonmemory_operand): Likewise.
19241         * config/stormy16/predicates.md:
19242         (xstormy16_carry_plus_operand): New predicate.
19243         (xs_hi_general_operand): New predicate.
19244         (xs_hi_nonmemory_operand): New predicate.
19245         * config/stormy16/stormy16-protos.h:
19246         (xstormy16_carry_plus_operand): Delete prototype.
19247         (xs_hi_general_operand): Likewise.
19248         (xs_hi_nonmemory_operand): Likewise.
19249
19250         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
19251         modifiers as they are no longer needed and they can trigger
19252         reload spill failures.
19253
19254         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
19255         with a match_operand in order to help reload.
19256
19257         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
19258         constraint with 'e' for the 8th alternative as this version of
19259         the mov.w instruction only accepts the lower 8 registers.
19260
19261 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
19262
19263         PR target/34856
19264         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
19265         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
19266         vector elements.
19267
19268 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
19269
19270         PR middle-end/33333
19271         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
19272
19273 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
19274
19275         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
19276         New functions.
19277         (remove_structure): Update allocations list before removing structure.
19278
19279 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
19280
19281         * ipa-struct-reorg.c (is_safe_cond_expr,
19282         create_new_stmts_for_cond_expr): Use integer_zerop function,
19283         that recognize not only zero-pointer, but zero-integer too.
19284
19285 2008-01-25  Ben Elliston  <bje@au.ibm.com>
19286
19287         PR other/22232
19288         * fixproto: Escape "." in sed expression that strips leading "./".
19289
19290 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
19291
19292         PR driver/34904
19293         * gcc.c (SWITCH_OK): Removed.
19294         (SWITCH_LIVE): Changed to bit.
19295         (SWITCH_FALSE): Likewise.
19296         (SWITCH_IGNORE): Likewise.
19297         (switchstr): Change live_cond to unsigned int.
19298         (process_command): Replace SWITCH_OK with 0.
19299         (do_self_spec): Likewise.
19300         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
19301         (give_switch): Likewise.
19302         (used_arg): Likewise.
19303         (do_spec_1): Set the SWITCH_IGNORE bit.
19304         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
19305         bits.  Set the SWITCH_LIVE bit.
19306
19307 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
19308
19309         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
19310
19311 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
19312
19313         PR tree-optimization/34472
19314         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
19315         parameter to a "bool *" and set *DATA to false if there is
19316         an unsafe access.  Do not delete the structure here.
19317         (check_cond_exprs): Delete it here instead.
19318         (check_cond_exprs, exclude_cold_structs): Do not increase
19319         I when removing a structure.
19320
19321 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
19322
19323         PR target/34856
19324         * config/i386/i386.c (ix86_expand_vector_init): Consider only
19325         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
19326
19327 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
19328
19329         PR middle-end/34934
19330         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
19331         a fixed vector for stack.
19332
19333 2008-01-24  Ben Elliston  <bje@au.ibm.com>
19334
19335         PR c++/25701
19336         * doc/gcc.texi (Software development): Add a direntry for g++.
19337
19338 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
19339
19340         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
19341         stale and straggling -fforce-addr comments above.
19342
19343         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
19344         define.
19345         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
19346         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
19347
19348 2008-01-23  Michael Matz  <matz@suse.de>
19349
19350         PR debug/34895
19351         * dwarf2out.c (force_type_die): Use modified_type_die instead of
19352         gen_type_die.
19353
19354 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
19355
19356         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
19357         malloc result type.
19358
19359 2008-01-23 Anatoly Sokolov <aesok@post.ru>
19360
19361         * config/avr/avr.c (avr_current_arch): New variable.
19362         (avr_arch_types): Add 'avr31' and 'avr51' entries.
19363         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
19364         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
19365         (avr_override_options): Init 'avr_current_arch'.
19366         (base_arch_s): Move from here...
19367         * config/avr/avr.h (base_arch_s): ... here. Add new members
19368         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
19369         'mega' to 'have_jmp_call'.
19370         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
19371         "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
19372         macros.
19373         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
19374         architectures.
19375         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
19376         MULTILIB_MATCHES): Ditto.
19377
19378 2008-01-23  Richard Guenther  <rguenther@suse.de>
19379
19380         PR middle-end/31529
19381         * cgraphunit.c (cgraph_reset_node): Always mark the node
19382         not reachable if it is not queued already.
19383
19384 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
19385
19386         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
19387         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
19388         (cputype_selected): New static variable.
19389         (bfin_handle_option): Set it if -mcpu is used.
19390         (override_option): Select default set of workarounds if no cpu type
19391         selected on the command line.
19392         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
19393
19394         From  Michael Frysinger  <michael.frysinger@analog.com>
19395         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
19396         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
19397
19398         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
19399         for bf547, bf523, bf524, and bf526.
19400         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
19401         bf526.
19402         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
19403         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
19404         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
19405         __ADSPBF547__ and __ADSPBF54x__ for bf547.
19406         * doc/invoke.texi (Blackfin Options): Document that
19407         -mcpu now accept bf547, bf523, bf524, and bf526.
19408
19409 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
19410
19411         PR rtl-optimization/34628
19412         * combine.c (try_combine): Stop and undo after the first combination
19413         if an autoincrement side-effect on the first insn has effectively
19414         been lost.
19415
19416 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
19417
19418         PR target/34529
19419         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
19420         Offset addresses are not valid for Altivec or paired float modes.
19421
19422 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
19423
19424         PR c++/34607
19425         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
19426         if DECL_INITIAL (decl) is error_mark_node.
19427
19428         PR c++/34914
19429         * c-common.c (handle_vector_size_attribute): Only allow
19430         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
19431         the same way as pointer, array etc. types.
19432         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
19433
19434         PR c++/34917
19435         * tree.c (build_type_attribute_qual_variant): Call
19436         build_qualified_type if attributes are equal, but quals are not.
19437
19438 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19439
19440         PR 32102
19441         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
19442         * flags.h (warn_strict_aliasing): Remove.
19443         (warn_strict_overflow): Remove.
19444         * opts.c (warn_strict_aliasing): Remove.
19445         (warn_strict_overflow): Remove.
19446         * c-opts.c (c_common_handle_option): -Wall only sets
19447         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
19448         (c_common_post_options): Give default values to -Wstrict-aliasing
19449         and -Wstrict-overflow if they are uninitialized.
19450         * common.opt (Wstrict-aliasing): Specify Var and Init.
19451         (Wstrict-overflow): Likewise.
19452
19453 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
19454
19455         PR rtl-optimization/26854
19456         PR rtl-optimization/34400
19457         PR rtl-optimization/34884
19458         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
19459         DF_RD->gen.
19460         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
19461         (df_rd_bb_info.expanded_lr_out): Deleted
19462         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
19463         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
19464         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
19465         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
19466         Removed code to allocate, initialize or free expanded_lr_out.
19467         (df_rd_bb_local_compute_process_def): Restructured to make more
19468         understandable.
19469         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
19470         sets if the sets are being trimmed.
19471
19472 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
19473
19474         PR bootstrap/32287
19475         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
19476         (as_vers): Likewise.
19477         * configure: Regenerated.
19478
19479 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19480
19481         PR middle-end/33092
19482         * tree-pass.h (pass_build_alias): New pass.
19483         * tree-ssa-alias.c (gate_build_alias): New.
19484         (pass_build_alias): New.
19485         * passes.c (init_optimization_passes): Add pass_build_alias after
19486         pass_create_structure_vars.
19487
19488 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
19489
19490         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
19491         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
19492         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
19493         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
19494         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
19495         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
19496         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
19497         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
19498         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
19499         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
19500         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
19501         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
19502         * config/s390/s390.md (FP_ALL): New mode iterator.
19503         (_d): New mode attribute.
19504         ("*signbit<mode>2>"): Changed mode of first operand.
19505         ("isinf<mode>2"): Changed mode of first operand.
19506         ("*TDC_insn"): Adaptation for DFP modes.
19507
19508 2008-01-22  Ben Elliston  <bje@au.ibm.com>
19509
19510         * tree.c (check_qualified_type): Improve function description.
19511
19512 2008-01-21  Jason Merrill  <jason@redhat.com>
19513
19514         PR c++/34196
19515         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
19516         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
19517         if it is set.
19518
19519 2008-01-21  DJ Delorie  <dj@redhat.com>
19520
19521         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
19522         return zero.
19523
19524 2008-01-21  Richard Guenther  <rguenther@suse.de>
19525
19526         PR middle-end/34856
19527         * tree-cfg.c (verify_expr): Allow all invariant expressions
19528         instead of just constant class ones as reference argument.
19529         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
19530         like any other constant.
19531         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
19532
19533 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
19534
19535         * regmove.c (fixup_match_1): Update call crossed frequencies.
19536
19537 2008-01-21  Richard Guenther  <rguenther@suse.de>
19538
19539         PR c/34885
19540         * tree-inline.c (setup_one_parameter): Deal with mismatched
19541         types using a VIEW_CONVERT_EXPR.
19542
19543 2008-01-21  Alon Dayan  <alond@il.ibm.com>
19544             Olga Golovanevsky  <olga@il.ibm.com>
19545
19546         PR tree-optimization/34701
19547         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
19548         when the structure size is not a power of 2.
19549
19550 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
19551
19552         * doc/install.texi: Add doc for --enable-checking=df.
19553
19554 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
19555
19556         PR rtl-optimization/34808
19557         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
19558
19559 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
19560
19561         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
19562         input.
19563
19564 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
19565
19566         PR rtl-optimization/26854
19567         PR rtl-optimization/34400
19568         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
19569         DF_RD->gen.
19570         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
19571         (df_rd_bb_info.expanded_lr_out): New.
19572         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
19573         * loop_iv.c (iv_analysis_loop_init): Ditto.
19574         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
19575         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
19576         Added code to allocate, initialize or free expanded_lr_out.
19577         (df_rd_bb_local_compute_process_def): Restructured to make
19578         more understandable.
19579         (df_rd_confluence_n): Add code to do nothing with fake edges and
19580         code to no apply invalidate_by_call sets if the sets are being trimmed.
19581         (df_lr_local_finalize): Renamed to df_lr_finalize.
19582         (df_live_local_finalize): Renamed to df_live_finalize.
19583
19584 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
19585
19586         PR target/34831
19587         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
19588         deciding whether to use reciprocal instructions.
19589
19590 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
19591
19592         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
19593         dwarf2out_note_section_used if cold_text_section is NULL.
19594
19595 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
19596
19597         PR gcov-profile/34610
19598         * tree-cfg.c (make_edges): Mark both outgoing edges from
19599         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
19600         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
19601         from OMP_FOR and OMP_CONTINUE outgoing edges.
19602
19603         * tree-profile.c (tree_profiling): Return early if
19604         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
19605         at the end.
19606         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
19607         from cfun to child_cfun.
19608         * function.h (struct function): Add after_tree_profile bit.
19609
19610 2008-01-19 Anatoly Sokolov <aesok@post.ru>
19611
19612         * config/avr/avr.S (_exit): Disable interrupt.
19613
19614 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
19615             Steven Bosscher  <stevenb.gcc@gmail.com>
19616
19617         PR rtl-optimization/26854
19618         PR rtl-optimization/34400
19619         * df-problems.c (df_live_scratch): New scratch bitmap.
19620         (df_live_alloc): Allocate df_live_scratch when doing df_live.
19621         (df_live_reset): Clear the proper bitmaps.
19622         (df_live_bb_local_compute): Only process the artificial defs once
19623         since the order is not important.
19624         (df_live_init): Init the df_live sets only with the variables
19625         found live by df_lr.
19626         (df_live_transfer_function): Use the df_lr sets to prune the
19627         df_live sets as they are being computed.
19628         (df_live_free): Free df_live_scratch.
19629
19630 2008-01-18  Ian Lance Taylor  <iant@google.com>
19631
19632         * common.opt: Add fmerge-debug-strings.
19633         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
19634         flag_merge_debug_strings rather than flag_merge_constants.
19635         * doc/invoke.texi (Option Summary): Mention
19636         -fmerge-debug-strings.
19637         (Debugging Options): Document -fmerge-debug-strings.
19638
19639 2008-01-18  Ian Lance Taylor  <iant@google.com>
19640
19641         PR c++/33407
19642         * tree.h (DECL_IS_OPERATOR_NEW): Define.
19643         (struct tree_function_decl): Add new field operator_new_flag.
19644         * tree-inline.c (expand_call_inline): When inlining a call to
19645         operator new, force the return value to go into a variable, and
19646         set DECL_NO_TBAA_P on that variable.
19647         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
19648
19649 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
19650
19651         PR debug/34484
19652         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
19653         DWARF2_DEBUGGING_INFO.
19654         (dwarf2out_note_section_used): Ditto.  Add prototype.
19655         (have_multiple_function_sections, text_section_used,
19656         cold_text_section_used, *cold_text_sections): Move declarations
19657         before their uses.
19658
19659 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
19660
19661         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
19662         field and add signal_ra.
19663         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
19664         assignments to frame state pc.  Move end of stack check after
19665         MD_FALLBACK_FRAME_STATE_FOR.
19666         (uw_update_context_1): Use frame state signal_regs if set, instead
19667         of checking signal_frame flag.
19668         (uw_update_context): Use frame state signal_ra if set.
19669         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
19670         * config/xtensa/linux-unwind.h: New file.
19671
19672 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
19673
19674         * modulo-sched.c (get_sched_window): Fix comment typo.
19675
19676 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
19677
19678         PR tree-optimization/34648
19679         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
19680
19681 2008-01-17  Anatoly Sokolov <aesok@post.ru>
19682
19683         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
19684         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
19685
19686 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
19687
19688         PR rtl-optimization/34400
19689         * df-core.c (df_worklist_dataflow_overeager,
19690         df_worklist_dataflow_doublequeue): New functions.
19691         (df_worklist_dataflow): Two different worklist solvers.
19692         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
19693         New param.
19694
19695 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
19696
19697         PR testsuite/34821
19698         * doc/invoke.texi: Document the dependence on pthread for fopenmp
19699         and ftree-parallelize-loops.
19700
19701 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
19702
19703         PR rtl-optimization/34826
19704         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
19705
19706 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
19707
19708         * global.c (find_reg): Mark the eh regs as used if necessary.
19709         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
19710         * ra.h (struct allocno): no_eh_reg field added.  Changed
19711         no_stack_reg type to bitfield.
19712
19713 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
19714
19715         * tree.c (substitute_in_expr): Add missing 'break'.
19716
19717 2008-01-17  Richard Guenther  <rguenther@suse.de>
19718
19719         PR tree-optimization/34825
19720         * tree-ssa-math-opts.c (is_division_by): Do not recognize
19721         x / x as division to handle.
19722
19723 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19724
19725         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
19726         "-pthread" is specified.
19727         * pa-hpux11.h (LIB_SPEC): Likewise.
19728
19729 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
19730             Peter Bergner  <bergner@vnet.ibm.com>
19731
19732         PR rtl-optimization/33796
19733         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
19734
19735 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19736
19737         PR libgfortran/34699
19738         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
19739         static links.
19740         * pa-hpux10.h (LINK_SPEC): Likewise.
19741         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
19742
19743 2008-01-16  Richard Guenther  <rguenther@suse.de>
19744
19745         PR middle-end/32628
19746         * fold-const.c (fold_convert_const_int_from_int): Do not
19747         set overflow if that occured only because of a sign extension
19748         change when converting from/to a sizetype with the same
19749         precision and signedness.
19750
19751 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
19752
19753         PR debug/34249
19754         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
19755         location address to the correct place.  Update copyright year.
19756
19757 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
19758
19759         * lambda-code.c (lambda_transform_legal_p): Handle the case of
19760         no dependences in the dependence_relations vector.
19761
19762 2008-01-16  Jan Hubicka  <jh@suse.cz>
19763
19764         PR rtl-optimization/31396
19765         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
19766         * cfg.c (dump_reg_info): Print it.
19767         * regs.h (struct reg_info_t): add freq_calls_crossed.
19768         (REG_FREQ_CALLS_CROSSED): New macro.
19769         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
19770         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
19771         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
19772         regmove_optimize): Update call crossed frequencies.
19773         * local-alloc.c (struct qty): Add freq_calls_crossed.
19774         (alloc_qty): Copute freq_calls_crossed.
19775         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
19776         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
19777         * ra.h (struct allocno): Add freq_calls_crossed.
19778
19779 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
19780
19781         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
19782         libgomp when compiling with ftree-parallelize-loops.
19783         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
19784
19785 2008-01-16  Richard Guenther  <rguenther@suse.de>
19786
19787         PR tree-optimization/34769
19788         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
19789         * tree.c (int_cst_value): Instead make this function more
19790         permissive in what it accepts as valid input.  Document this
19791         function always sign-extends the value.
19792
19793 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
19794             Richard Guenther  <rguenther@suse.de>
19795
19796         PR c/34668
19797         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
19798         (gimple_fold_indirect_ref_rhs): ... this.
19799         (gimple_fold_indirect_ref): New function with foldings
19800         that preserve lvalueness.
19801         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
19802         * tree-flow.h (gimple_fold_indirect_ref): Declare.
19803         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
19804         to fold an INDIRECT_REF, fall back to the old use of
19805         fold_indirect_ref_1.
19806
19807 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
19808
19809         * tree-data-ref.c (subscript_dependence_tester_1): Call
19810         free_conflict_function.
19811         (compute_self_dependence): Same.
19812
19813 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
19814
19815         PR debug/34249
19816         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
19817         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
19818         function global.
19819         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
19820         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
19821         for DWARF2_UNWIND_INFO targets.
19822
19823 2008-01-16  Richard Guenther  <rguenther@suse.de>
19824
19825         PR c/34768
19826         * c-typeck.c (common_pointer_type): Do not merge inconsistent
19827         type qualifiers for function types.
19828
19829 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
19830
19831         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
19832         loop_iterator li from previous commit.
19833
19834 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
19835
19836         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
19837
19838 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
19839
19840         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
19841         (parallelize_loops): Don't parallelize irreducible components.
19842
19843 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19844
19845         PR c++/24924
19846         * c-opts (c_common_post_options): Do not enable CPP
19847         flag_pedantic_errors by default.
19848
19849 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
19850
19851         PR rtl-optimization/31944
19852         * cse.c (remove_pseudo_from_table): New function.
19853         (merge_equiv_classes): Use above function to remove pseudo-registers.
19854         (invalidate): Likewise.
19855
19856 2008-01-13  Richard Guenther  <rguenther@suse.de>
19857
19858         PR middle-end/34601
19859         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
19860         instead of TYPE_MODE to deal with calls from expand_one_error_var.
19861
19862 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
19863
19864         * gcse.c (cprop_jump): Call validate_unshare_change instead of
19865         validate_change to unshare the source of the PC set.
19866
19867 2008-01-12  Jan Hubicka  <jh@suse.cz>
19868
19869         PR middle-end/32135
19870         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
19871         references above array bounds.  This might trigger bounds checks for
19872         pointers to arrays.
19873
19874 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
19875
19876         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
19877         new_replaceable_dependencies.
19878
19879 2008-01-12  Doug Kwan  <dougkwan@google.com>
19880
19881         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
19882         instead of OPT_Wreturn_type in warning due to ignored return type
19883         qualifiers.
19884         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
19885         options included in -Wextra.
19886         * c.opt: New option -Wignored_qualifiers.
19887         * doc/invoke.texi (Warning Options, -Wextra): Add new option
19888         -Wignore_qualifiers.
19889         (-Wignored-qualifiers): Document.
19890         (-Wreturn-type): Remove description of functionality now handled
19891         by -Wignored-qualifiers.
19892
19893 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
19894
19895         PR ada/33788
19896         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
19897         NOP_EXPR if it is between integral types with the same precision.
19898
19899 2008-01-12  Jan Hubicka  <jh@suse.cz>
19900
19901         PR other/28023
19902         * invoke.texi (max-inline-recursive-depth): Fix default value.
19903
19904 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
19905
19906         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
19907         correct type.
19908
19909 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
19910
19911         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
19912
19913 2008-01-11  James E. Wilson  <wilson@specifix.com>
19914
19915         PR target/26015
19916         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
19917
19918 2008-01-11  Anatoly Sokolov <aesok@post.ru>
19919
19920         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
19921         save/restore frame pointer register and don't use 'call-prologues'
19922         optimization in function with "OS_task" attribute.
19923
19924 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
19925
19926         PR middle-end/31309
19927         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
19928         when copying to memory.
19929
19930 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
19931
19932         PR rtl-optimization/30905
19933         * cfgcleanup.c: Include dce.h
19934         (crossjumps_occured): New global variable.
19935         (try_crossjump_bb): Exit loop after finding a fallthru edge.
19936         If something changed, set crossjumps_occured to true.
19937         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
19938         Don't add/remove fake edges to exit here...
19939         (cleanup_cfg): ...but do it here, when crossjumping.
19940         Run a fast DCE when successful crossjumps occured in the latest
19941         iteration of try_optimize_cfg.
19942
19943 2008-01-11  Richard Guenther  <rguenther@suse.de>
19944
19945         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
19946         (struct vn_unary_op_s): Likewise.
19947         (vn_reference_insert): Free old reference on hash collision.
19948
19949 2008-01-10  Raksit Ashok  <raksit@google.com>
19950
19951         PR rtl-optimization/27971
19952         * combine.c (find_split_point): Split PLUS expressions which are
19953         inside a MEM rtx, and whose first operand is complex.
19954
19955 2008-01-10  DJ Delorie  <dj@redhat.com>
19956
19957         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
19958         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
19959         (m32c_hard_regno_ok): Call the underlying function.
19960
19961 2008-01-10  Richard Guenther  <rguenther@suse.de>
19962
19963         PR middle-end/34683
19964         * tree-cfg.c (tree_merge_blocks): Do not go through the
19965         full-blown folding and stmt updating path if we just deal
19966         with virtual operands.
19967         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
19968         test for abnormal SSA_NAMEs.
19969
19970 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
19971
19972         PR middle-end/34641
19973         * reload.c (push_reload): Add assertions.  All constants from
19974         reg_equiv_constant should have been used for replacing the respective
19975         pseudo earlier.
19976         (find_reloads_address): Invoke find_reloads_address_part for
19977         constant taken from the reg_equiv_constant array.
19978
19979 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
19980
19981         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
19982         field (valnum) the first in the struct.  Replace bools with
19983         unit bit fields.
19984
19985 2008-01-10  Richard Guenther  <rguenther@suse.de>
19986
19987         PR tree-optimization/34651
19988         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
19989         types and ordering for masking and converting.
19990
19991 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
19992
19993         PR tree-optimization/34017
19994         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
19995         also for PHI_NODE expressions.
19996
19997 2008-01-09  Jan Hubicka  <jh@suse.cz>
19998
19999         PR tree-optimization/34708
20000         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
20001         based on number of case labels.
20002         (init_inline_once): Remove switch_cost.
20003         * tree-inline.h (eni_weights_d): Remove switch_cost.
20004
20005 2008-01-09  Richard Guenther  <rguenther@suse.de>
20006         Andrew Pinski  <andrew_pinski@playstation.sony.com>
20007
20008         PR middle-end/30132
20009         * gimplify.c (gimplify_cond_expr): Do not create an addressable
20010         temporary if an rvalue is ok or an lvalue is not required.
20011
20012 2008-01-09  Richard Guenther  <rguenther@suse.de>
20013
20014         PR middle-end/34458
20015         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
20016         adjust return type.
20017
20018 2008-01-09  Richard Guenther  <rguenther@suse.de>
20019
20020         PR middle-end/34679
20021         * tree.c (host_integerp): Check for sizetype only if the
20022         type is an integer type.
20023
20024 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
20025
20026         PR debug/26364
20027         * opts.c (decode_options): Disable inlining of functions called
20028         once if not in unit-at-a-time mode.
20029
20030 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
20031
20032         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
20033
20034 2008-01-08  Richard Guenther  <rguenther@suse.de>
20035
20036         PR middle-end/31863
20037         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
20038         out early if the result will be unused.
20039
20040 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20041
20042         PR target/34709
20043         Revert:
20044
20045         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20046         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20047         for TARGET_RECIP.
20048
20049 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
20050
20051         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
20052         for vectorization tuned.
20053
20054 2008-01-08  Richard Guenther  <rguenther@suse.de>
20055
20056         PR tree-optimization/34683
20057         * tree-ssa-operands.c (operand_build_cmp): Export.
20058         * tree-ssa-operands.h (operand_build_cmp): Declare.
20059         * tree-vn.c (vuses_compare): Remove.
20060         (sort_vuses): Use operand_build_cmp.
20061         (sort_vuses_heap): Likewise.
20062         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
20063         to re-use old VEC if available.  Do not sort already sorted VUSEs.
20064         (vdefs_to_vec): Do not sort already sorted VDEFs.
20065
20066 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
20067
20068         PR middle-end/34694
20069         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
20070
20071 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20072
20073         PR target/34702
20074         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
20075         limitations of reciprocal sequences on x86 targets.
20076
20077 2008-01-08  Richard Guenther  <rguenther@suse.de>
20078
20079         PR tree-optimization/34683
20080         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
20081
20082 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
20083
20084         PR target/34622
20085         * config/darwin.c (darwin_mergeable_string_section): Don't use
20086         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
20087
20088 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
20089
20090         PR target/34682
20091         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
20092         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
20093         predicates of op0 and op1 to register_operand.
20094         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
20095         expander using X87MODEF mode iterator.  Change predicates of
20096         op0 and op1 to register_operand.
20097         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
20098         corresponding patterns and macroize using MODEF macro.  Change
20099         predicates of op0 and op1 to register_operand and remove
20100         "m" constraint. Disparage "r" alternative with "!".
20101         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
20102         macroize using X87MODEF macro.  Change predicates of op0 and op1
20103         to register_operand and remove "m" constraint.  Disparage "r"
20104         alternative with "!".
20105         (absneg splitter with memory operands): Remove.
20106         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
20107         patterns and macroize using X87MODEF mode iterator.
20108         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
20109         Change predicate of op1 to register_operand.
20110         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
20111         for memory operands.
20112
20113 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
20114
20115         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
20116
20117 2008-01-07  Richard Guenther  <rguenther@suse.de>
20118
20119         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
20120         fields.
20121
20122 2008-01-07  Richard Guenther  <rguenther@suse.de>
20123
20124         PR tree-optimization/34683
20125         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
20126         VOPs of the needed size to save memory.  Use VEC_quick_push
20127         to save compile-time.
20128         (vdefs_to_vec): Likewise.
20129
20130 2008-01-07  Sa Liu  <saliu@de.ibm.com>
20131
20132         * config/spu/spu.md (divdf3): Genetate inline code for double
20133         division.  The implementation doesn't handle INF or NAN, therefore it
20134         only applies when -ffinite-math-only is given.
20135
20136 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
20137
20138         PR libstdc++/34680
20139         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
20140         * doc/cpp.texi ([Common Predefined Macros]): Document.
20141
20142 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
20143
20144         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
20145         order to use commutative addition instead of subtraction.
20146
20147 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20148             Mircea Namolaru  <namolaru@il.ibm.com>
20149             Vladimir Yanovsky  <yanov@il.ibm.com>
20150             Revital Eres  <eres@il.ibm.com>
20151
20152         PR tree-optimization/34263
20153         * tree-outof-ssa.c (process_single_block_loop_latch,
20154         contains_tree_r): New functions.
20155         (analyze_edges_for_bb): Call process_single_block_loop_latch
20156         function to empty single-basic-block latch block if possible.
20157
20158 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20159
20160         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20161         for TARGET_RECIP.
20162         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
20163
20164 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
20165
20166         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
20167
20168 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
20169
20170         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
20171
20172 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
20173
20174         PR tree-optimization/34618
20175         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
20176         flag from T.
20177
20178 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20179
20180         PR target/34673
20181         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
20182         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
20183         Update copyright year.
20184
20185         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
20186         Update copyright year.
20187         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
20188         using NR fixup.
20189
20190 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
20191
20192         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
20193         edge does not point to current bb before changing need_assert.
20194
20195 2008-01-04  Richard Guenther  <rguenther@suse.de>
20196
20197         PR middle-end/34029
20198         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
20199         for verifying purposes if they are is_gimple_min_invariant.
20200
20201 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
20202
20203         PR tree-optimization/34448
20204         PR tree-optimization/34465
20205         * gimplify.c (gimplify_init_constructor): Add new parameter
20206         notify_temp_creation.  Use it.
20207         (gimplify_modify_expr_rhs): Take volatiles into account when
20208         optimizing constructors.
20209         Do not optimize constructors if gimplify_init_constructor will dump to
20210         memory.
20211         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
20212         * gcc.c-torture/compile/pr34448.c: New.
20213
20214 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
20215
20216         PR gcov-profile/34609
20217         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
20218         return_slot if result is TREE_ADDRESSABLE.
20219
20220 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
20221
20222         * config/mips/mips.md (sqrt_condition): Tweak comment.
20223         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
20224
20225 2008-01-03  Tom Tromey  <tromey@redhat.com>
20226
20227         PR c/34457
20228         * c-common.c (c_type_hash): Handle VLAs.
20229
20230 2008-01-03  Jan Hubicka  <jh@suse.cz>
20231
20232         PR tree-optimization/31081
20233         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
20234         0 when inlining and not inlining to first basic block.
20235         (remap_decl): When var is initialized to 0, don't set default_def.
20236         (expand_call_inline): Set entry_bb.
20237         * tree-inline.h (copy_body_data): Add entry_bb.
20238
20239 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
20240
20241         PR c++/34619
20242         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
20243         before returning.
20244
20245         PR tree-optimization/29484
20246         * tree-inline.c (inline_forbidden_p_2): New function.
20247         (inline_forbidden_p): Disallow inlining if some static var
20248         has an address of a local LABEL_DECL in its initializer.
20249         * doc/extend.texi (Labels as Values): Document &&foo behaviour
20250         vs. inlining.
20251
20252 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
20253
20254         PR tree-optimization/34635
20255         * tree-data-ref.c (add_other_self_distances): Make sure that the
20256         evolution step is constant.
20257
20258 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
20259
20260         PR middle-end/34608
20261         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
20262
20263 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
20264
20265         * tree-sra.c (scalarize_init): Insert the generate_element_init
20266         statements after the generate_element_zero statements.
20267
20268 2008-01-02  Richard Guenther  <rguenther@suse.de>
20269
20270         PR middle-end/34093
20271         PR middle-end/31976
20272         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
20273         for very large number of operands instead of ICEing.
20274
20275 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
20276
20277         PR target/34013
20278         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
20279         while stack probing.
20280
20281 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
20282
20283         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
20284         in C++0x mode.
20285
20286 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
20287
20288         PR libmudflap/26442
20289         * tree-mudflap.c (mx_register_decls): Guard warning by
20290         !DECL_ARTIFICIAL check.
20291
20292 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
20293
20294         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
20295         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
20296         sse5_perm<mode>): Fix constraints.