gcc/ChangeLog

   1 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
   2
   3         * config.gcc (aarch64*-*-*): Add aarch64-sve-builtins-sve2.o to
   4         extra_objs.
   5         * config/aarch64/t-aarch64 (aarch64-sve-builtins.o): Depend on
   6         aarch64-sve-builtins-base.def, aarch64-sve-builtins-sve2.def and
   7         aarch64-sve-builtins-sve2.h.
   8         (aarch64-sve-builtins-sve2.o): New rule.
   9         * config/aarch64/aarch64.h (AARCH64_ISA_SVE2_AES): New macro.
  10         (AARCH64_ISA_SVE2_BITPERM, AARCH64_ISA_SVE2_SHA3): Likewise.
  11         (AARCH64_ISA_SVE2_SM4, TARGET_SVE2_AES, TARGET_SVE2_BITPERM): Likewise.
  12         (TARGET_SVE2_SHA, TARGET_SVE2_SM4): Likewise.
  13         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Handle
  14         TARGET_SVE2_AES, TARGET_SVE2_BITPERM, TARGET_SVE2_SHA3 and
  15         TARGET_SVE2_SM4.
  16         * config/aarch64/aarch64-sve.md: Update comments with SVE2
  17         instructions that are handled here.
  18         (@cond_asrd<mode>): Generalize to...
  19         (@cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>): ...this.
  20         (*cond_asrd<mode>_2): Generalize to...
  21         (*cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>_2): ...this.
  22         (*cond_asrd<mode>_z): Generalize to...
  23         (*cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>_z): ...this.
  24         * config/aarch64/aarch64.md (UNSPEC_LDNT1_GATHER): New unspec.
  25         (UNSPEC_STNT1_SCATTER, UNSPEC_WHILEGE, UNSPEC_WHILEGT): Likewise.
  26         (UNSPEC_WHILEHI, UNSPEC_WHILEHS): Likewise.
  27         * config/aarch64/aarch64-sve2.md (@aarch64_gather_ldnt<mode>): New
  28         pattern.
  29         (@aarch64_gather_ldnt_<ANY_EXTEND:optab><SVE_FULL_SDI:mode><SVE_PARTIAL_I:mode>)
  30         (@aarch64_scatter_stnt<mode>): Likewise.
  31         (@aarch64_scatter_stnt_<SVE_FULL_SDI:mode><SVE_PARTIAL_I:mode>)
  32         (@aarch64_mul_lane_<mode>): Likewise.
  33         (@aarch64_sve_suqadd<mode>_const): Likewise.
  34         (*<sur>h<addsub><mode>): Generalize to...
  35         (@aarch64_pred_<SVE2_COND_INT_BINARY_REV:sve_int_op><mode>): ...this
  36         new pattern.
  37         (@cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>): New expander.
  38         (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_2): New pattern.
  39         (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_3): Likewise.
  40         (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_any): Likewise.
  41         (*cond_<SVE2_COND_INT_BINARY_NOREV:sve_int_op><mode>_z): Likewise.
  42         (@aarch64_sve_<SVE2_INT_BINARY:sve_int_op><mode>):: Likewise.
  43         (@aarch64_sve_<SVE2_INT_BINARY:sve_int_op>_lane_<mode>): Likewise.
  44         (@aarch64_pred_<SVE2_COND_INT_SHIFT:sve_int_op><mode>): Likewise.
  45         (@cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>): New expander.
  46         (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_2): New pattern.
  47         (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_3): Likewise.
  48         (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_any): Likewise.
  49         (@aarch64_sve_<SVE2_INT_TERNARY:sve_int_op><mode>): Likewise.
  50         (@aarch64_sve_<SVE2_INT_TERNARY_LANE:sve_int_op>_lane_<mode>)
  51         (@aarch64_sve_add_mul_lane_<mode>): Likewise.
  52         (@aarch64_sve_sub_mul_lane_<mode>): Likewise.
  53         (@aarch64_sve2_xar<mode>): Likewise.
  54         (@aarch64_sve2_bcax<mode>): Likewise.
  55         (*aarch64_sve2_eor3<mode>): Rename to...
  56         (@aarch64_sve2_eor3<mode>): ...this.
  57         (@aarch64_sve2_bsl<mode>): New expander.
  58         (@aarch64_sve2_nbsl<mode>): Likewise.
  59         (@aarch64_sve2_bsl1n<mode>): Likewise.
  60         (@aarch64_sve2_bsl2n<mode>): Likewise.
  61         (@aarch64_sve_add_<SHIFTRT:sve_int_op><mode>): Likewise.
  62         (*aarch64_sve2_sra<mode>): Add MOVPRFX support.
  63         (@aarch64_sve_add_<VRSHR_N:sve_int_op><mode>): New pattern.
  64         (@aarch64_sve_<SVE2_INT_SHIFT_INSERT:sve_int_op><mode>): Likewise.
  65         (@aarch64_sve2_<USMAX:su>aba<mode>): New expander.
  66         (*aarch64_sve2_<USMAX:su>aba<mode>): New pattern.
  67         (@aarch64_sve_<SVE2_INT_BINARY_WIDE:sve_int_op><mode>): Likewise.
  68         (<su>mull<bt><Vwide>): Generalize to...
  69         (@aarch64_sve_<SVE2_INT_BINARY_LONG:sve_int_op><mode>): ...this new
  70         pattern.
  71         (@aarch64_sve_<SVE2_INT_BINARY_LONG_lANE:sve_int_op>_lane_<mode>)
  72         (@aarch64_sve_<SVE2_INT_SHIFT_IMM_LONG:sve_int_op><mode>)
  73         (@aarch64_sve_add_<SVE2_INT_ADD_BINARY_LONG:sve_int_op><mode>)
  74         (@aarch64_sve_add_<SVE2_INT_ADD_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
  75         (@aarch64_sve_qadd_<SVE2_INT_QADD_BINARY_LONG:sve_int_op><mode>)
  76         (@aarch64_sve_qadd_<SVE2_INT_QADD_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
  77         (@aarch64_sve_sub_<SVE2_INT_SUB_BINARY_LONG:sve_int_op><mode>)
  78         (@aarch64_sve_sub_<SVE2_INT_SUB_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
  79         (@aarch64_sve_qsub_<SVE2_INT_QSUB_BINARY_LONG:sve_int_op><mode>)
  80         (@aarch64_sve_qsub_<SVE2_INT_QSUB_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
  81         (@aarch64_sve_<SVE2_FP_TERNARY_LONG:sve_fp_op><mode>): New patterns.
  82         (@aarch64_<SVE2_FP_TERNARY_LONG_LANE:sve_fp_op>_lane_<mode>)
  83         (@aarch64_sve_<SVE2_INT_UNARY_NARROWB:sve_int_op><mode>): Likewise.
  84         (@aarch64_sve_<SVE2_INT_UNARY_NARROWT:sve_int_op><mode>): Likewise.
  85         (@aarch64_sve_<SVE2_INT_BINARY_NARROWB:sve_int_op><mode>): Likewise.
  86         (@aarch64_sve_<SVE2_INT_BINARY_NARROWT:sve_int_op><mode>): Likewise.
  87         (<SHRNB:r>shrnb<mode>): Generalize to...
  88         (@aarch64_sve_<SVE2_INT_SHIFT_IMM_NARROWB:sve_int_op><mode>): ...this
  89         new pattern.
  90         (<SHRNT:r>shrnt<mode>): Generalize to...
  91         (@aarch64_sve_<SVE2_INT_SHIFT_IMM_NARROWT:sve_int_op><mode>): ...this
  92         new pattern.
  93         (@aarch64_pred_<SVE2_INT_BINARY_PAIR:sve_int_op><mode>): New pattern.
  94         (@aarch64_pred_<SVE2_FP_BINARY_PAIR:sve_fp_op><mode>): Likewise.
  95         (@cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>): New expander.
  96         (*cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>_2): New pattern.
  97         (*cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>_z): Likewise.
  98         (@aarch64_sve_<SVE2_INT_CADD:optab><mode>): Likewise.
  99         (@aarch64_sve_<SVE2_INT_CMLA:optab><mode>): Likewise.
 100         (@aarch64_<SVE2_INT_CMLA:optab>_lane_<mode>): Likewise.
 101         (@aarch64_sve_<SVE2_INT_CDOT:optab><mode>): Likewise.
 102         (@aarch64_<SVE2_INT_CDOT:optab>_lane_<mode>): Likewise.
 103         (@aarch64_pred_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): Likewise.
 104         (@cond_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): New expander.
 105         (*cond_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): New pattern.
 106         (@aarch64_sve2_cvtnt<mode>): Likewise.
 107         (@aarch64_pred_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): Likewise.
 108         (@cond_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): New expander.
 109         (*cond_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>_any): New pattern.
 110         (@aarch64_sve2_cvtxnt<mode>): Likewise.
 111         (@aarch64_pred_<SVE2_U32_UNARY:sve_int_op><mode>): Likewise.
 112         (@cond_<SVE2_U32_UNARY:sve_int_op><mode>): New expander.
 113         (*cond_<SVE2_U32_UNARY:sve_int_op><mode>): New pattern.
 114         (@aarch64_pred_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): Likewise.
 115         (@cond_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): New expander.
 116         (*cond_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): New pattern.
 117         (@aarch64_sve2_pmul<mode>): Likewise.
 118         (@aarch64_sve_<SVE2_PMULL:optab><mode>): Likewise.
 119         (@aarch64_sve_<SVE2_PMULL_PAIR:optab><mode>): Likewise.
 120         (@aarch64_sve2_tbl2<mode>): Likewise.
 121         (@aarch64_sve2_tbx<mode>): Likewise.
 122         (@aarch64_sve_<SVE2_INT_BITPERM:sve_int_op><mode>): Likewise.
 123         (@aarch64_sve2_histcnt<mode>): Likewise.
 124         (@aarch64_sve2_histseg<mode>): Likewise.
 125         (@aarch64_pred_<SVE2_MATCH:sve_int_op><mode>): Likewise.
 126         (*aarch64_pred_<SVE2_MATCH:sve_int_op><mode>_cc): Likewise.
 127         (*aarch64_pred_<SVE2_MATCH:sve_int_op><mode>_ptest): Likewise.
 128         (aarch64_sve2_aes<CRYPTO_AES:aes_op>): Likewise.
 129         (aarch64_sve2_aes<CRYPTO_AESMC:aesmc_op>): Likewise.
 130         (*aarch64_sve2_aese_fused, *aarch64_sve2_aesd_fused): Likewise.
 131         (aarch64_sve2_rax1, aarch64_sve2_sm4e, aarch64_sve2_sm4ekey): Likewise.
 132         (<su>mulh<r>s<mode>3): Update after above pattern name changes.
 133         * config/aarch64/iterators.md (VNx16QI_ONLY, VNx4SF_ONLY)
 134         (SVE_STRUCT2, SVE_FULL_BHI, SVE_FULL_HSI, SVE_FULL_HDI)
 135         (SVE2_PMULL_PAIR_I): New mode iterators.
 136         (UNSPEC_ADCLB, UNSPEC_ADCLT, UNSPEC_ADDHNB, UNSPEC_ADDHNT, UNSPEC_BDEP)
 137         (UNSPEC_BEXT, UNSPEC_BGRP, UNSPEC_CADD90, UNSPEC_CADD270, UNSPEC_CDOT)
 138         (UNSPEC_CDOT90, UNSPEC_CDOT180, UNSPEC_CDOT270, UNSPEC_CMLA)
 139         (UNSPEC_CMLA90, UNSPEC_CMLA180, UNSPEC_CMLA270, UNSPEC_COND_FCVTLT)
 140         (UNSPEC_COND_FCVTNT, UNSPEC_COND_FCVTX, UNSPEC_COND_FCVTXNT)
 141         (UNSPEC_COND_FLOGB, UNSPEC_EORBT, UNSPEC_EORTB, UNSPEC_FADDP)
 142         (UNSPEC_FMAXP, UNSPEC_FMAXNMP, UNSPEC_FMLALB, UNSPEC_FMLALT)
 143         (UNSPEC_FMLSLB, UNSPEC_FMLSLT, UNSPEC_FMINP, UNSPEC_FMINNMP)
 144         (UNSPEC_HISTCNT, UNSPEC_HISTSEG, UNSPEC_MATCH, UNSPEC_NMATCH)
 145         (UNSPEC_PMULLB, UNSPEC_PMULLB_PAIR, UNSPEC_PMULLT, UNSPEC_PMULLT_PAIR)
 146         (UNSPEC_RADDHNB, UNSPEC_RADDHNT, UNSPEC_RSUBHNB, UNSPEC_RSUBHNT)
 147         (UNSPEC_SLI, UNSPEC_SRI, UNSPEC_SABDLB, UNSPEC_SABDLT, UNSPEC_SADDLB)
 148         (UNSPEC_SADDLBT, UNSPEC_SADDLT, UNSPEC_SADDWB, UNSPEC_SADDWT)
 149         (UNSPEC_SBCLB, UNSPEC_SBCLT, UNSPEC_SMAXP, UNSPEC_SMINP)
 150         (UNSPEC_SQCADD90, UNSPEC_SQCADD270, UNSPEC_SQDMULLB, UNSPEC_SQDMULLBT)
 151         (UNSPEC_SQDMULLT, UNSPEC_SQRDCMLAH, UNSPEC_SQRDCMLAH90)
 152         (UNSPEC_SQRDCMLAH180, UNSPEC_SQRDCMLAH270, UNSPEC_SQRSHRNB)
 153         (UNSPEC_SQRSHRNT, UNSPEC_SQRSHRUNB, UNSPEC_SQRSHRUNT, UNSPEC_SQSHRNB)
 154         (UNSPEC_SQSHRNT, UNSPEC_SQSHRUNB, UNSPEC_SQSHRUNT, UNSPEC_SQXTNB)
 155         (UNSPEC_SQXTNT, UNSPEC_SQXTUNB, UNSPEC_SQXTUNT, UNSPEC_SSHLLB)
 156         (UNSPEC_SSHLLT, UNSPEC_SSUBLB, UNSPEC_SSUBLBT, UNSPEC_SSUBLT)
 157         (UNSPEC_SSUBLTB, UNSPEC_SSUBWB, UNSPEC_SSUBWT, UNSPEC_SUBHNB)
 158         (UNSPEC_SUBHNT, UNSPEC_TBL2, UNSPEC_UABDLB, UNSPEC_UABDLT)
 159         (UNSPEC_UADDLB, UNSPEC_UADDLT, UNSPEC_UADDWB, UNSPEC_UADDWT)
 160         (UNSPEC_UMAXP, UNSPEC_UMINP, UNSPEC_UQRSHRNB, UNSPEC_UQRSHRNT)
 161         (UNSPEC_UQSHRNB, UNSPEC_UQSHRNT, UNSPEC_UQXTNB, UNSPEC_UQXTNT)
 162         (UNSPEC_USHLLB, UNSPEC_USHLLT, UNSPEC_USUBLB, UNSPEC_USUBLT)
 163         (UNSPEC_USUBWB, UNSPEC_USUBWT): New unspecs.
 164         (UNSPEC_SMULLB, UNSPEC_SMULLT, UNSPEC_UMULLB, UNSPEC_UMULLT)
 165         (UNSPEC_SMULHS, UNSPEC_SMULHRS, UNSPEC_UMULHS, UNSPEC_UMULHRS)
 166         (UNSPEC_RSHRNB, UNSPEC_RSHRNT, UNSPEC_SHRNB, UNSPEC_SHRNT): Move
 167         further down file.
 168         (VNARROW, Ventype): New mode attributes.
 169         (Vewtype): Handle VNx2DI.  Fix typo in comment.
 170         (VDOUBLE): New mode attribute.
 171         (sve_lane_con): Handle VNx8HI.
 172         (SVE_INT_UNARY): Include ss_abs and ss_neg for TARGET_SVE2.
 173         (SVE_INT_BINARY): Likewise ss_plus, us_plus, ss_minus and us_minus.
 174         (sve_int_op, sve_int_op_rev): Handle the above codes.
 175         (sve_pred_int_rhs2_operand): Likewise.
 176         (MULLBT, SHRNB, SHRNT): Delete.
 177         (SVE_INT_SHIFT_IMM): New int iterator.
 178         (SVE_WHILE): Add UNSPEC_WHILEGE, UNSPEC_WHILEGT, UNSPEC_WHILEHI
 179         and UNSPEC_WHILEHS for TARGET_SVE2.
 180         (SVE2_U32_UNARY, SVE2_INT_UNARY_NARROWB, SVE2_INT_UNARY_NARROWT)
 181         (SVE2_INT_BINARY, SVE2_INT_BINARY_LANE, SVE2_INT_BINARY_LONG)
 182         (SVE2_INT_BINARY_LONG_LANE, SVE2_INT_BINARY_NARROWB)
 183         (SVE2_INT_BINARY_NARROWT, SVE2_INT_BINARY_PAIR, SVE2_FP_BINARY_PAIR)
 184         (SVE2_INT_BINARY_PAIR_LONG, SVE2_INT_BINARY_WIDE): New int iterators.
 185         (SVE2_INT_SHIFT_IMM_LONG, SVE2_INT_SHIFT_IMM_NARROWB): Likewise.
 186         (SVE2_INT_SHIFT_IMM_NARROWT, SVE2_INT_SHIFT_INSERT, SVE2_INT_CADD)
 187         (SVE2_INT_BITPERM, SVE2_INT_TERNARY, SVE2_INT_TERNARY_LANE): Likewise.
 188         (SVE2_FP_TERNARY_LONG, SVE2_FP_TERNARY_LONG_LANE, SVE2_INT_CMLA)
 189         (SVE2_INT_CDOT, SVE2_INT_ADD_BINARY_LONG, SVE2_INT_QADD_BINARY_LONG)
 190         (SVE2_INT_SUB_BINARY_LONG, SVE2_INT_QSUB_BINARY_LONG): Likewise.
 191         (SVE2_INT_ADD_BINARY_LONG_LANE, SVE2_INT_QADD_BINARY_LONG_LANE)
 192         (SVE2_INT_SUB_BINARY_LONG_LANE, SVE2_INT_QSUB_BINARY_LONG_LANE)
 193         (SVE2_COND_INT_UNARY_FP, SVE2_COND_FP_UNARY_LONG): Likewise.
 194         (SVE2_COND_FP_UNARY_NARROWB, SVE2_COND_INT_BINARY): Likewise.
 195         (SVE2_COND_INT_BINARY_NOREV, SVE2_COND_INT_BINARY_REV): Likewise.
 196         (SVE2_COND_INT_SHIFT, SVE2_MATCH, SVE2_PMULL): Likewise.
 197         (optab): Handle the new unspecs.
 198         (su, r): Remove entries for UNSPEC_SHRNB, UNSPEC_SHRNT, UNSPEC_RSHRNB
 199         and UNSPEC_RSHRNT.
 200         (lr): Handle the new unspecs.
 201         (bt): Delete.
 202         (cmp_op, while_optab_cmp, sve_int_op): Handle the new unspecs.
 203         (sve_int_op_rev, sve_int_add_op, sve_int_qadd_op, sve_int_sub_op)
 204         (sve_int_qsub_op): New int attributes.
 205         (sve_fp_op, rot): Handle the new unspecs.
 206         * config/aarch64/aarch64-sve-builtins.h
 207         (function_resolver::require_matching_pointer_type): Declare.
 208         (function_resolver::resolve_unary): Add an optional boolean argument.
 209         (function_resolver::finish_opt_n_resolution): Add an optional
 210         type_suffix_index argument.
 211         (gimple_folder::redirect_call): Declare.
 212         (gimple_expander::prepare_gather_address_operands): Add an optional
 213         bool parameter.
 214         * config/aarch64/aarch64-sve-builtins.cc: Include
 215         aarch64-sve-builtins-sve2.h.
 216         (TYPES_b_unsigned, TYPES_b_integer, TYPES_bh_integer): New macros.
 217         (TYPES_bs_unsigned, TYPES_hs_signed, TYPES_hs_integer): Likewise.
 218         (TYPES_hd_unsigned, TYPES_hsd_signed): Likewise.
 219         (TYPES_hsd_integer): Use TYPES_hsd_signed.
 220         (TYPES_s_float_hsd_integer, TYPES_s_float_sd_integer): New macros.
 221         (TYPES_s_unsigned): Likewise.
 222         (TYPES_s_integer): Use TYPES_s_unsigned.
 223         (TYPES_sd_signed, TYPES_sd_unsigned): New macros.
 224         (TYPES_sd_integer): Use them.
 225         (TYPES_d_unsigned): New macro.
 226         (TYPES_d_integer): Use it.
 227         (TYPES_d_data, TYPES_cvt_long, TYPES_cvt_narrow_s): New macros.
 228         (TYPES_cvt_narrow): Likewise.
 229         (DEF_SVE_TYPES_ARRAY): Include the new types macros above.
 230         (preds_mx): New variable.
 231         (function_builder::add_overloaded_function): Allow the new feature
 232         set to be more restrictive than the original one.
 233         (function_resolver::infer_pointer_type): Remove qualifiers from
 234         the pointer type before printing it.
 235         (function_resolver::require_matching_pointer_type): New function.
 236         (function_resolver::resolve_sv_displacement): Handle functions
 237         that don't support 32-bit vector indices or svint32_t vector offsets.
 238         (function_resolver::finish_opt_n_resolution): Take the inferred type
 239         as a separate argument.
 240         (function_resolver::resolve_unary): Optionally treat all forms in
 241         the same way as normal merging functions.
 242         (gimple_folder::redirect_call): New function.
 243         (function_expander::prepare_gather_address_operands): Add an argument
 244         that says whether scaled forms are available.  If they aren't,
 245         handle scaling of vector indices and don't add the extension and
 246         scaling operands.
 247         (function_expander::map_to_unspecs): If aarch64_sve isn't available,
 248         fall back to using cond_* instead.
 249         * config/aarch64/aarch64-sve-builtins-functions.h (rtx_code_function):
 250         Split out the member variables into...
 251         (rtx_code_function_base): ...this new base class.
 252         (rtx_code_function_rotated): Inherit rtx_code_function_base.
 253         (unspec_based_function): Split out the member variables into...
 254         (unspec_based_function_base): ...this new base class.
 255         (unspec_based_function_rotated): Inherit unspec_based_function_base.
 256         (unspec_based_function_exact_insn): New class.
 257         (unspec_based_add_function, unspec_based_add_lane_function)
 258         (unspec_based_lane_function, unspec_based_pred_function)
 259         (unspec_based_qadd_function, unspec_based_qadd_lane_function)
 260         (unspec_based_qsub_function, unspec_based_qsub_lane_function)
 261         (unspec_based_sub_function, unspec_based_sub_lane_function): New
 262         typedefs.
 263         (unspec_based_fused_function): New class.
 264         (unspec_based_mla_function, unspec_based_mls_function): New typedefs.
 265         (unspec_based_fused_lane_function): New class.
 266         (unspec_based_mla_lane_function, unspec_based_mls_lane_function): New
 267         typedefs.
 268         (CODE_FOR_MODE1): New macro.
 269         (fixed_insn_function): New class.
 270         (while_comparison): Likewise.
 271         * config/aarch64/aarch64-sve-builtins-shapes.h (binary_long_lane)
 272         (binary_long_opt_n, binary_narrowb_opt_n, binary_narrowt_opt_n)
 273         (binary_to_uint, binary_wide, binary_wide_opt_n, compare, compare_ptr)
 274         (load_ext_gather_index_restricted, load_ext_gather_offset_restricted)
 275         (load_gather_sv_restricted, shift_left_imm_long): Declare.
 276         (shift_left_imm_to_uint, shift_right_imm_narrowb): Likewise.
 277         (shift_right_imm_narrowt, shift_right_imm_narrowb_to_uint): Likewise.
 278         (shift_right_imm_narrowt_to_uint, store_scatter_index_restricted)
 279         (store_scatter_offset_restricted, tbl_tuple, ternary_long_lane)
 280         (ternary_long_opt_n, ternary_qq_lane_rotate, ternary_qq_rotate)
 281         (ternary_shift_left_imm, ternary_shift_right_imm, ternary_uint)
 282         (unary_convert_narrowt, unary_long, unary_narrowb, unary_narrowt)
 283         (unary_narrowb_to_uint, unary_narrowt_to_uint, unary_to_int): Likewise.
 284         * config/aarch64/aarch64-sve-builtins-shapes.cc (apply_predication):
 285         Also add an initial argument for unary_convert_narrowt, regardless
 286         of the predication type.
 287         (build_32_64): Allow loads and stores to specify MODE_none.
 288         (build_sv_index64, build_sv_uint_offset): New functions.
 289         (long_type_suffix): New function.
 290         (binary_imm_narrowb_base, binary_imm_narrowt_base): New classes.
 291         (binary_imm_long_base, load_gather_sv_base): Likewise.
 292         (shift_right_imm_narrow_wrapper, ternary_shift_imm_base): Likewise.
 293         (ternary_resize2_opt_n_base, ternary_resize2_lane_base): Likewise.
 294         (unary_narrowb_base, unary_narrowt_base): Likewise.
 295         (binary_long_lane_def, binary_long_lane): New shape.
 296         (binary_long_opt_n_def, binary_long_opt_n): Likewise.
 297         (binary_narrowb_opt_n_def, binary_narrowb_opt_n): Likewise.
 298         (binary_narrowt_opt_n_def, binary_narrowt_opt_n): Likewise.
 299         (binary_to_uint_def, binary_to_uint): Likewise.
 300         (binary_wide_def, binary_wide): Likewise.
 301         (binary_wide_opt_n_def, binary_wide_opt_n): Likewise.
 302         (compare_def, compare): Likewise.
 303         (compare_ptr_def, compare_ptr): Likewise.
 304         (load_ext_gather_index_restricted_def,
 305         load_ext_gather_index_restricted): Likewise.
 306         (load_ext_gather_offset_restricted_def,
 307         load_ext_gather_offset_restricted): Likewise.
 308         (load_gather_sv_def): Inherit from load_gather_sv_base.
 309         (load_gather_sv_restricted_def, load_gather_sv_restricted): New shape.
 310         (shift_left_imm_def, shift_left_imm): Likewise.
 311         (shift_left_imm_long_def, shift_left_imm_long): Likewise.
 312         (shift_left_imm_to_uint_def, shift_left_imm_to_uint): Likewise.
 313         (store_scatter_index_restricted_def,
 314         store_scatter_index_restricted): Likewise.
 315         (store_scatter_offset_restricted_def,
 316         store_scatter_offset_restricted): Likewise.
 317         (tbl_tuple_def, tbl_tuple): Likewise.
 318         (ternary_long_lane_def, ternary_long_lane): Likewise.
 319         (ternary_long_opt_n_def, ternary_long_opt_n): Likewise.
 320         (ternary_qq_lane_def): Inherit from ternary_resize2_lane_base.
 321         (ternary_qq_lane_rotate_def, ternary_qq_lane_rotate): New shape
 322         (ternary_qq_opt_n_def): Inherit from ternary_resize2_opt_n_base.
 323         (ternary_qq_rotate_def, ternary_qq_rotate): New shape.
 324         (ternary_shift_left_imm_def, ternary_shift_left_imm): Likewise.
 325         (ternary_shift_right_imm_def, ternary_shift_right_imm): Likewise.
 326         (ternary_uint_def, ternary_uint): Likewise.
 327         (unary_convert): Fix typo in comment.
 328         (unary_convert_narrowt_def, unary_convert_narrowt): New shape.
 329         (unary_long_def, unary_long): Likewise.
 330         (unary_narrowb_def, unary_narrowb): Likewise.
 331         (unary_narrowt_def, unary_narrowt): Likewise.
 332         (unary_narrowb_to_uint_def, unary_narrowb_to_uint): Likewise.
 333         (unary_narrowt_to_uint_def, unary_narrowt_to_uint): Likewise.
 334         (unary_to_int_def, unary_to_int): Likewise.
 335         * config/aarch64/aarch64-sve-builtins-base.cc (unspec_cmla)
 336         (unspec_fcmla, unspec_cond_fcmla, expand_mla_mls_lane): New functions.
 337         (svasrd_impl): Delete.
 338         (svcadd_impl::expand): Handle integer operations too.
 339         (svcmla_impl::expand, svcmla_lane::expand): Likewise, using the
 340         new functions to derive the unspec numbers.
 341         (svmla_svmls_lane_impl): Replace with...
 342         (svmla_lane_impl, svmls_lane_impl): ...these new classes.  Handle
 343         integer operations too.
 344         (svwhile_impl): Rename to...
 345         (svwhilelx_impl): ...this and inherit from while_comparison.
 346         (svasrd): Use unspec_based_function.
 347         (svmla_lane): Use svmla_lane_impl.
 348         (svmls_lane): Use svmls_lane_impl.
 349         (svrecpe, svrsqrte): Handle unsigned integer operations too.
 350         (svwhilele, svwhilelt): Use svwhilelx_impl.
 351         * config/aarch64/aarch64-sve-builtins-sve2.h: New file.
 352         * config/aarch64/aarch64-sve-builtins-sve2.cc: Likewise.
 353         * config/aarch64/aarch64-sve-builtins-sve2.def: Likewise.
 354         * config/aarch64/aarch64-sve-builtins.def: Include
 355         aarch64-sve-builtins-sve2.def.
 356
 357 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
 358
 359         * config/aarch64/aarch64-protos.h (aarch64_sve_arith_immediate_p)
 360         (aarch64_sve_sqadd_sqsub_immediate_p): Add a machine_mode argument.
 361         * config/aarch64/aarch64.c (aarch64_sve_arith_immediate_p)
 362         (aarch64_sve_sqadd_sqsub_immediate_p): Likewise.  Handle scalar
 363         immediates as well as vector ones.
 364         * config/aarch64/predicates.md (aarch64_sve_arith_immediate)
 365         (aarch64_sve_sub_arith_immediate, aarch64_sve_qadd_immediate)
 366         (aarch64_sve_qsub_immediate): Update calls accordingly.
 367
 368 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
 369
 370         * config/aarch64/aarch64-sve2.md: Add banner comments.
 371         (<su>mulh<r>s<mode>3): Move further up file.
 372         (<su>mull<bt><Vwide>, <r>shrnb<mode>, <r>shrnt<mode>)
 373         (*aarch64_sve2_sra<mode>): Move further down file.
 374         * config/aarch64/t-aarch64 (s-check-sve-md): Check aarch64-sve2.md too.
 375
 376 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
 377
 378         * config/aarch64/iterators.md (SVE_WHILE): Add UNSPEC_WHILERW
 379         and UNSPEC_WHILEWR.
 380         (while_optab_cmp): Handle them.
 381         * config/aarch64/aarch64-sve.md
 382         (*while_<while_optab_cmp><GPI:mode><PRED_ALL:mode>_ptest): Make public
 383         and add a "@" marker.
 384         * config/aarch64/aarch64-sve2.md (check_<raw_war>_ptrs<mode>): Use it
 385         instead of gen_aarch64_sve2_while_ptest.
 386         (@aarch64_sve2_while<cmp_op><GPI:mode><PRED_ALL:mode>_ptest): Delete.
 387
 388 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
 389
 390         * config/aarch64/aarch64.md (UNSPEC_WHILE_LE): Rename to...
 391         (UNSPEC_WHILELE): ...this.
 392         (UNSPEC_WHILE_LO): Rename to...
 393         (UNSPEC_WHILELO): ...this.
 394         (UNSPEC_WHILE_LS): Rename to...
 395         (UNSPEC_WHILELS): ...this.
 396         (UNSPEC_WHILE_LT): Rename to...
 397         (UNSPEC_WHILELT): ...this.
 398         * config/aarch64/iterators.md (SVE_WHILE): Update accordingly.
 399         (cmp_op, while_optab_cmp): Likewise.
 400         * config/aarch64/aarch64.c (aarch64_sve_move_pred_via_while): Likewise.
 401         * config/aarch64/aarch64-sve-builtins-base.cc (svwhilele): Likewise.
 402         (svwhilelt): Likewise.
 403
 404 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
 405
 406         * config/aarch64/aarch64-sve-builtins-shapes.h (unary_count): Delete.
 407         (unary_to_uint): Define.
 408         * config/aarch64/aarch64-sve-builtins-shapes.cc (unary_count_def)
 409         (unary_count): Rename to...
 410         (unary_to_uint_def, unary_to_uint): ...this.
 411         * config/aarch64/aarch64-sve-builtins-base.def: Update accordingly.
 412
 413 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
 414
 415         * config/aarch64/aarch64-sve-builtins-functions.h
 416         (code_for_mode_function): New class.
 417         (CODE_FOR_MODE0, QUIET_CODE_FOR_MODE0): New macros.
 418         * config/aarch64/aarch64-sve-builtins-base.cc (svcompact_impl)
 419         (svext_impl, svmul_lane_impl, svsplice_impl, svtmad_impl): Delete.
 420         (svcompact, svext, svsplice): Use QUIET_CODE_FOR_MODE0.
 421         (svmul_lane, svtmad): Use CODE_FOR_MODE0.
 422
 423 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
 424
 425         * config/aarch64/iterators.md (addsub): New code attribute.
 426         * config/aarch64/aarch64-simd.md (aarch64_<su_optab><optab><mode>):
 427         Re-express as...
 428         (aarch64_<su_optab>q<addsub><mode>): ...this, making the same change
 429         in the asm string and attributes.  Fix indentation.
 430         * config/aarch64/aarch64-sve.md (@aarch64_<su_optab><optab><mode>):
 431         Re-express as...
 432         (@aarch64_sve_<optab><mode>): ...this.
 433         * config/aarch64/aarch64-sve-builtins.h
 434         (function_expander::expand_signed_unpred_op): Delete.
 435         * config/aarch64/aarch64-sve-builtins.cc
 436         (function_expander::expand_signed_unpred_op): Likewise.
 437         (function_expander::map_to_rtx_codes): If the optab isn't defined,
 438         try using code_for_aarch64_sve instead.
 439         * config/aarch64/aarch64-sve-builtins-base.cc (svqadd_impl): Delete.
 440         (svqsub_impl): Likewise.
 441         (svqadd, svqsub): Use rtx_code_function instead.
 442
 443 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
 444
 445         * config/aarch64/iterators.md (SRHSUB, URHSUB): Delete.
 446         (HADDSUB, sur, addsub): Remove them.
 447
 448 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
 449
 450         * tree-nrv.c (pass_return_slot::execute): Handle all internal
 451         functions the same way, rather than singling out those that
 452         aren't mapped directly to optabs.
 453
 454 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
 455
 456         * target.def (compatible_vector_types_p): New target hook.
 457         * hooks.h (hook_bool_const_tree_const_tree_true): Declare.
 458         * hooks.c (hook_bool_const_tree_const_tree_true): New function.
 459         * doc/tm.texi.in (TARGET_COMPATIBLE_VECTOR_TYPES_P): New hook.
 460         * doc/tm.texi: Regenerate.
 461         * gimple-expr.c: Include target.h.
 462         (useless_type_conversion_p): Use targetm.compatible_vector_types_p.
 463         * config/aarch64/aarch64.c (aarch64_compatible_vector_types_p): New
 464         function.
 465         (TARGET_COMPATIBLE_VECTOR_TYPES_P): Define.
 466         * config/aarch64/aarch64-sve-builtins.cc (gimple_folder::convert_pred):
 467         Use the original predicate if it already has a suitable type.
 468
 469 2020-01-09  Martin Jambor  <mjambor@suse.cz>
 470
 471         * cgraph.h (cgraph_edge): Make remove, set_call_stmt, make_direct,
 472         resolve_speculation and redirect_call_stmt_to_callee static.  Change
 473         return type of set_call_stmt to cgraph_edge *.
 474         * auto-profile.c (afdo_indirect_call): Adjust call to
 475         redirect_call_stmt_to_callee.
 476         * cgraph.c (cgraph_edge::set_call_stmt): Make return cgraph-edge *,
 477         make the this pointer explicit, adjust self-recursive calls and the
 478         call top make_direct.  Return the resulting edge.
 479         (cgraph_edge::remove): Make this pointer explicit.
 480         (cgraph_edge::resolve_speculation): Likewise, adjust call to remove.
 481         (cgraph_edge::make_direct): Likewise, adjust call to
 482         resolve_speculation.
 483         (cgraph_edge::redirect_call_stmt_to_callee): Likewise, also adjust
 484         call to set_call_stmt.
 485         (cgraph_update_edges_for_call_stmt_node): Update call to
 486         set_call_stmt and remove.
 487         * cgraphclones.c (cgraph_node::set_call_stmt_including_clones):
 488         Renamed edge to master_edge.  Adjusted calls to set_call_stmt.
 489         (cgraph_node::create_edge_including_clones): Moved "first" definition
 490         of edge to the block where it was used.  Adjusted calls to
 491         set_call_stmt.
 492         (cgraph_node::remove_symbol_and_inline_clones): Adjust call to
 493         cgraph_edge::remove.
 494         * cgraphunit.c (walk_polymorphic_call_targets): Adjusted calls to
 495         make_direct and redirect_call_stmt_to_callee.
 496         * ipa-fnsummary.c (redirect_to_unreachable): Adjust calls to
 497         resolve_speculation and make_direct.
 498         * ipa-inline-transform.c (inline_transform): Adjust call to
 499         redirect_call_stmt_to_callee.
 500         (check_speculations_1):: Adjust call to resolve_speculation.
 501         * ipa-inline.c (resolve_noninline_speculation): Adjust call to
 502         resolve-speculation.
 503         (inline_small_functions): Adjust call to resolve_speculation.
 504         (ipa_inline): Likewise.
 505         * ipa-prop.c (ipa_make_edge_direct_to_target): Adjust call to
 506         make_direct.
 507         * ipa-visibility.c (function_and_variable_visibility): Make iteration
 508         safe with regards to edge removal, adjust calls to
 509         redirect_call_stmt_to_callee.
 510         * ipa.c (walk_polymorphic_call_targets): Adjust calls to make_direct
 511         and redirect_call_stmt_to_callee.
 512         * multiple_target.c (create_dispatcher_calls): Adjust call to
 513         redirect_call_stmt_to_callee
 514         (redirect_to_specific_clone): Likewise.
 515         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
 516         Adjust calls to cgraph_edge::remove.
 517         * tree-inline.c (copy_bb): Adjust call to set_call_stmt.
 518         (redirect_all_calls): Adjust call to redirect_call_stmt_to_callee.
 519         (expand_call_inline): Adjust call to cgraph_edge::remove.
 520
 521 2020-01-09  Martin Liska  <mliska@suse.cz>
 522
 523         * params.opt: Set Optimization for
 524         param_max_speculative_devirt_maydefs.
 525
 526 2020-01-09  Martin Sebor  <msebor@redhat.com>
 527
 528         PR middle-end/93200
 529         PR fortran/92956
 530         * builtins.c (compute_objsize): Avoid handling MEM_REFs of vector type.
 531
 532 2020-01-09  Martin Liska  <mliska@suse.cz>
 533
 534         * auto-profile.c (auto_profile): Use opt_for_fn
 535         for a parameter.
 536         * ipa-cp.c (ipcp_lattice::add_value): Likewise.
 537         (propagate_vals_across_arith_jfunc): Likewise.
 538         (hint_time_bonus): Likewise.
 539         (incorporate_penalties): Likewise.
 540         (good_cloning_opportunity_p): Likewise.
 541         (perform_estimation_of_a_value): Likewise.
 542         (estimate_local_effects): Likewise.
 543         (ipcp_propagate_stage): Likewise.
 544         * ipa-fnsummary.c (decompose_param_expr): Likewise.
 545         (set_switch_stmt_execution_predicate): Likewise.
 546         (analyze_function_body): Likewise.
 547         * ipa-inline-analysis.c (offline_size): Likewise.
 548         * ipa-inline.c (early_inliner): Likewise.
 549         * ipa-prop.c (ipa_analyze_node): Likewise.
 550         (ipcp_transform_function): Likewise.
 551         * ipa-sra.c (process_scan_results): Likewise.
 552         (ipa_sra_summarize_function): Likewise.
 553         * params.opt: Rename ipcp-unit-growth to
 554         ipa-cp-unit-growth.  Add Optimization for various
 555         IPA-related parameters.
 556
 557 2020-01-09  Richard Biener  <rguenther@suse.de>
 558
 559         PR middle-end/93054
 560         * gimplify.c (gimplify_expr): Deal with NOP definitions.
 561
 562 2020-01-09  Richard Biener  <rguenther@suse.de>
 563
 564         PR tree-optimization/93040
 565         * gimple-ssa-store-merging.c (find_bswap_or_nop): Raise search limit.
 566
 567 2020-01-09  Georg-Johann Lay  <avr@gjlay.de>
 568
 569         * common/config/avr/avr-common.c (avr_option_optimization_table)
 570         [OPT_LEVELS_1_PLUS]: Set -fsplit-wide-types-early.
 571
 572 2020-01-09  Martin Liska  <mliska@suse.cz>
 573
 574         * cgraphclones.c (symbol_table::materialize_all_clones):
 575         Use cgraph_node::dump_name.
 576
 577 2020-01-09  Jakub Jelinek  <jakub@redhat.com>
 578
 579         PR inline-asm/93202
 580         * config/riscv/riscv.c (riscv_print_operand_reloc): Use
 581         output_operand_lossage instead of gcc_unreachable.
 582         * doc/md.texi (riscv f constraint): Fix typo.
 583
 584         PR target/93141
 585         * config/i386/i386.md (subv<mode>4): Use SWIDWI iterator instead of
 586         SWI.  Use <general_hilo_operand> instead of <general_operand>.  Use
 587         CONST_SCALAR_INT_P instead of CONST_INT_P.
 588         (*subv<mode>4_1): Rename to ...
 589         (subv<mode>4_1): ... this.
 590         (*subv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
 591         define_insn_and_split patterns.
 592         (*subv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
 593         patterns.
 594
 595 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
 596
 597         * vec.c (class selftest::count_dtor): New class.
 598         (selftest::test_auto_delete_vec): New test.
 599         (selftest::vec_c_tests): Call it.
 600         * vec.h (class auto_delete_vec): New class template.
 601         (auto_delete_vec<T>::~auto_delete_vec): New dtor.
 602
 603 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
 604
 605         * sbitmap.h (auto_sbitmap): Add operator const_sbitmap.
 606
 607 2020-01-08  Jim Wilson  <jimw@sifive.com>
 608
 609         * config/riscv/riscv.c (riscv_legitimize_tls_address): Ifdef out
 610         use of TLS_MODEL_LOCAL_EXEC when not pic.
 611
 612 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
 613
 614         * hash-map-tests.c (selftest::test_map_of_strings_to_int): Fix
 615         memory leak.
 616
 617 2020-01-08  Jakub Jelinek  <jakub@redhat.com>
 618
 619         PR target/93187
 620         * config/i386/i386.md (*stack_protect_set_2_<mode> peephole2,
 621         *stack_protect_set_3 peephole2): Also check that the second
 622         insns source is general_operand.
 623
 624         PR target/93174
 625         * config/i386/i386.md (addcarry<mode>_0): Use nonimmediate_operand
 626         predicate for output operand instead of register_operand.
 627         (addcarry<mode>, addcarry<mode>_1): Likewise.  Add alternative with
 628         memory destination and non-memory operands[2].
 629
 630 2020-01-08  Martin Liska  <mliska@suse.cz>
 631
 632         * cgraph.c (cgraph_node::dump): Use ::dump_name or
 633         ::dump_asm_name instead of (::name or ::asm_name).
 634         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
 635         * cgraphunit.c (walk_polymorphic_call_targets): Likewise.
 636         (analyze_functions): Likewise.
 637         (expand_all_functions): Likewise.
 638         * ipa-cp.c (ipcp_cloning_candidate_p): Likewise.
 639         (propagate_bits_across_jump_function): Likewise.
 640         (dump_profile_updates): Likewise.
 641         (ipcp_store_bits_results): Likewise.
 642         (ipcp_store_vr_results): Likewise.
 643         * ipa-devirt.c (dump_targets): Likewise.
 644         * ipa-fnsummary.c (analyze_function_body): Likewise.
 645         * ipa-hsa.c (check_warn_node_versionable): Likewise.
 646         (process_hsa_functions): Likewise.
 647         * ipa-icf.c (sem_item_optimizer::merge_classes): Likewise.
 648         (set_alias_uids): Likewise.
 649         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 650         * ipa-inline.c (recursive_inlining): Likewise.
 651         (inline_to_all_callers_1): Likewise.
 652         (ipa_inline): Likewise.
 653         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
 654         (ipa_propagate_frequency): Likewise.
 655         * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
 656         (remove_described_reference): Likewise.
 657         * ipa-pure-const.c (worse_state): Likewise.
 658         (check_retval_uses): Likewise.
 659         (analyze_function): Likewise.
 660         (propagate_pure_const): Likewise.
 661         (propagate_nothrow): Likewise.
 662         (dump_malloc_lattice): Likewise.
 663         (propagate_malloc): Likewise.
 664         (pass_local_pure_const::execute): Likewise.
 665         * ipa-visibility.c (optimize_weakref): Likewise.
 666         (function_and_variable_visibility): Likewise.
 667         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
 668         (ipa_discover_variable_flags): Likewise.
 669         * lto-streamer-out.c (output_function): Likewise.
 670         (output_constructor): Likewise.
 671         * tree-inline.c (copy_bb): Likewise.
 672         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
 673         * varpool.c (symbol_table::remove_unreferenced_decls): Likewise.
 674
 675 2020-01-08  Richard Biener  <rguenther@suse.de>
 676
 677         PR middle-end/93199
 678         * tree-eh.c (sink_clobbers): Update virtual operands for
 679         the first and last stmt only.  Add a dry-run capability.
 680         (pass_lower_eh_dispatch::execute): Perform clobber sinking
 681         after CFG manipulations and in RPO order to catch all
 682         secondary opportunities reliably.
 683
 684 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
 685
 686         PR target/93182
 687         * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
 688
 689 2019-01-08  Richard Biener  <rguenther@suse.de>
 690
 691         PR middle-end/93199
 692         * gimple-fold.c (rewrite_to_defined_overflow): Mark stmt modified.
 693         * tree-ssa-loop-im.c (move_computations_worker): Properly adjust
 694         virtual operand, also updating SSA use.
 695         * gimple-loop-interchange.cc (loop_cand::undo_simple_reduction):
 696         Update stmt after resetting virtual operand.
 697         (tree_loop_interchange::move_code_to_inner_loop): Likewise.
 698         * gimple-iterator.c (gsi_remove): When not removing the stmt
 699         permanently do not delink immediate uses or mark the stmt modified.
 700
 701 2020-01-08  Martin Liska  <mliska@suse.cz>
 702
 703         * ipa-fnsummary.c (dump_ipa_call_summary): Use symtab_node::dump_name.
 704         (ipa_call_context::estimate_size_and_time): Likewise.
 705         (inline_analyze_function): Likewise.
 706
 707 2020-01-08  Martin Liska  <mliska@suse.cz>
 708
 709         * cgraph.c (cgraph_node::dump): Use systematically
 710         dump_asm_name.
 711
 712 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
 713
 714         Add -nodevicespecs option for avr.
 715
 716         PR target/93182
 717         * config/avr/avr.opt (-nodevicespecs): New driver option.
 718         * config/avr/driver-avr.c (avr_devicespecs_file): Only issue
 719         "-specs=device-specs/..." if that option is not set.
 720         * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
 721
 722 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
 723
 724         Implement 64-bit double functions for avr.
 725
 726         PR target/92055
 727         * config.gcc (tm_defines) [target=avr]: Support --with-libf7,
 728         --with-double-comparison.
 729         * doc/install.texi: Document them.
 730         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
 731         <WITH_LIBF7_LIBGCC, WITH_LIBF7_MATH, WITH_LIBF7_MATH_SYMBOLS>
 732         <WITH_DOUBLE_COMPARISON>: New built-in defines.
 733         * doc/invoke.texi (AVR Built-in Macros): Document them.
 734         * config/avr/avr-protos.h (avr_float_lib_compare_returns_bool): New.
 735         * config/avr/avr.c (avr_float_lib_compare_returns_bool): New function.
 736         * config/avr/avr.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): New macro.
 737
 738 2020-01-08  Richard Earnshaw  <rearnsha@arm.com>
 739
 740         PR target/93188
 741         * config/arm/t-multilib (MULTILIB_MATCHES): Add rules to match
 742         armv7-a{+mp,+sec,+mp+sec} to appropriate armv7 multilib variants
 743         when only building rm-profile multilibs.
 744
 745 2020-01-08  Feng Xue  <fxue@os.amperecomputing.com>
 746
 747         PR ipa/93084
 748         * ipa-cp.c (self_recursively_generated_p): Find matched aggregate
 749         lattice for a value to check.
 750         (propagate_vals_across_arith_jfunc): Add an assertion to ensure
 751         finite propagation in self-recursive scc.
 752
 753 2020-01-08  Luo Xiong Hu  <luoxhu@linux.ibm.com>
 754
 755         * ipa-inline.c (caller_growth_limits): Restore the AND.
 756
 757 2020-01-07  Andrew Stubbs  <ams@codesourcery.com>
 758
 759         * config/gcn/gcn-valu.md (VEC_1REG_INT_ALT): Delete iterator.
 760         (VEC_ALLREG_ALT): New iterator.
 761         (VEC_ALLREG_INT_MODE): New iterator.
 762         (VCMP_MODE): New iterator.
 763         (VCMP_MODE_INT): New iterator.
 764         (vec_cmpu<mode>di): Use VCMP_MODE_INT.
 765         (vec_cmp<u>v64qidi): New define_expand.
 766         (vec_cmp<mode>di_exec): Use VCMP_MODE.
 767         (vec_cmpu<mode>di_exec): New define_expand.
 768         (vec_cmp<u>v64qidi_exec): New define_expand.
 769         (vec_cmp<mode>di_dup): Use VCMP_MODE.
 770         (vec_cmp<mode>di_dup_exec): Use VCMP_MODE.
 771         (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>): Rename ...
 772         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): ... to this.
 773         (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>_exec): Rename ...
 774         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): ... to this.
 775         (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>): Rename ...
 776         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): ... to this.
 777         (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>_exec): Rename ...
 778         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): ... to
 779         this.
 780         * config/gcn/gcn.c (print_operand): Fix 8 and 16 bit suffixes.
 781         * config/gcn/gcn.md (expander): Add sign_extend and zero_extend.
 782
 783 2020-01-07  Andrew Stubbs  <ams@codesourcery.com>
 784
 785         * config/gcn/constraints.md (DA): Update description and match.
 786         (DB): Likewise.
 787         (Db): New constraint.
 788         * config/gcn/gcn-protos.h (gcn_inline_constant64_p): Add second
 789         parameter.
 790         * config/gcn/gcn.c (gcn_inline_constant64_p): Add 'mixed' parameter.
 791         Implement 'Db' mixed immediate type.
 792         * config/gcn/gcn-valu.md (addcv64si3<exec_vcc>): Rework constraints.
 793         (addcv64si3_dup<exec_vcc>): Delete.
 794         (subcv64si3<exec_vcc>): Rework constraints.
 795         (addv64di3): Rework constraints.
 796         (addv64di3_exec): Rework constraints.
 797         (subv64di3): Rework constraints.
 798         (addv64di3_dup): Delete.
 799         (addv64di3_dup_exec): Delete.
 800         (addv64di3_zext): Rework constraints.
 801         (addv64di3_zext_exec): Rework constraints.
 802         (addv64di3_zext_dup): Rework constraints.
 803         (addv64di3_zext_dup_exec): Rework constraints.
 804         (addv64di3_zext_dup2): Rework constraints.
 805         (addv64di3_zext_dup2_exec): Rework constraints.
 806         (addv64di3_sext_dup2): Rework constraints.
 807         (addv64di3_sext_dup2_exec): Rework constraints.
 808
 809 2020-01-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
 810
 811         * doc/sourcebuild.texi (arm_little_endian, arm_nothumb): Documented
 812         existing target checks.
 813
 814 2020-01-07  Richard Biener  <rguenther@suse.de>
 815
 816         * doc/install.texi: Bump minimal supported MPC version.
 817
 818 2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>
 819
 820         * langhooks-def.h (lhd_simulate_enum_decl): Declare.
 821         (LANG_HOOKS_SIMULATE_ENUM_DECL): Use it.
 822         * langhooks.c: Include stor-layout.h.
 823         (lhd_simulate_enum_decl): New function.
 824         * config/aarch64/aarch64-sve-builtins.cc (init_builtins): Call
 825         handle_arm_sve_h for the LTO frontend.
 826         (register_vector_type): Cope with null returns from pushdecl.
 827
 828 2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>
 829
 830         * config/aarch64/aarch64-protos.h (aarch64_sve::svbool_type_p)
 831         (aarch64_sve::nvectors_if_data_type): Replace with...
 832         (aarch64_sve::builtin_type_p): ...this.
 833         * config/aarch64/aarch64-sve-builtins.cc: Include attribs.h.
 834         (find_vector_type): Delete.
 835         (add_sve_type_attribute): New function.
 836         (lookup_sve_type_attribute): Likewise.
 837         (register_builtin_types): Add an "SVE type" attribute to each type.
 838         (register_tuple_type): Likewise.
 839         (svbool_type_p, nvectors_if_data_type): Delete.
 840         (mangle_builtin_type): Use lookup_sve_type_attribute.
 841         (builtin_type_p): Likewise.  Add an overload that returns the
 842         number of constituent vector and predicate registers.
 843         * config/aarch64/aarch64.c (aarch64_sve_argument_p): Delete.
 844         (aarch64_returns_value_in_sve_regs_p): Use aarch64_sve::builtin_type_p
 845         instead of aarch64_sve_argument_p.
 846         (aarch64_takes_arguments_in_sve_regs_p): Likewise.
 847         (aarch64_pass_by_reference): Likewise.
 848         (aarch64_function_value_1): Likewise.
 849         (aarch64_return_in_memory): Likewise.
 850         (aarch64_layout_arg): Likewise.
 851
 852 2020-01-07  Jakub Jelinek  <jakub@redhat.com>
 853
 854         PR tree-optimization/93156
 855         * tree-ssa-ccp.c (bit_value_binop): For x * x note that the second
 856         least significant bit is always clear.
 857
 858         PR tree-optimization/93118
 859         * match.pd ((x >> c) << c -> x & (-1<<c)): Add nop_convert?.  Add new
 860         simplifier with two intermediate conversions.
 861
 862 2020-01-07  Martin Liska  <mliska@suse.cz>
 863
 864         * params.opt: Add Optimization for various parameters.
 865
 866 2020-01-07  Martin Liska  <mliska@suse.cz>
 867
 868         PR ipa/83411
 869         * doc/extend.texi: Explain cloning for target_clone
 870         attribute.
 871
 872 2020-01-07  Martin Liska  <mliska@suse.cz>
 873
 874         PR tree-optimization/92860
 875         * common.opt: Make in Optimization option
 876         as it is affected by -O0, which is an Optimization
 877         option.
 878         * tree-inline.c (tree_inlinable_function_p):
 879         Use opt_for_fn for warn_inline.
 880         (expand_call_inline): Likewise.
 881
 882 2020-01-07  Martin Liska  <mliska@suse.cz>
 883
 884         PR tree-optimization/92860
 885         * common.opt: Make flag_ree as optimization
 886         attribute.
 887
 888 2020-01-07  Martin Liska  <mliska@suse.cz>
 889
 890         PR optimization/92860
 891         * params.opt: Mark param_min_crossjump_insns with Optimization
 892         keyword.
 893
 894 2020-01-07  Luo Xiong Hu  <luoxhu@linux.ibm.com>
 895
 896         * ipa-inline-analysis.c (estimate_growth): Fix typo.
 897         * ipa-inline.c (caller_growth_limits): Use OR instead of AND.
 898
 899 2020-01-06  Michael Meissner  <meissner@linux.ibm.com>
 900
 901         * config/rs6000/rs6000.c (hard_reg_and_mode_to_addr_mask): New
 902         helper function to return the valid addressing formats for a given
 903         hard register and mode.
 904         (rs6000_adjust_vec_address): Call hard_reg_and_mode_to_addr_mask.
 905
 906         * config/rs6000/constraints.md (Q constraint): Update
 907         documentation.
 908         * doc/md.texi (RS/6000 constraints): Update 'Q' cosntraint
 909         documentation.
 910
 911         * config/rs6000/vsx.md (vsx_extract_<mode>_var, VSX_D iterator):
 912         Use 'Q' for doing vector extract from memory.
 913         (vsx_extract_v4sf_var): Use 'Q' for doing vector extract from
 914         memory.
 915         (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): Use 'Q' for
 916         doing vector extract from memory.
 917         (vsx_extract_<mode>_<VS_scalar>mode_var): Use 'Q' for doing vector
 918         extract from memory.
 919
 920         * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add support
 921         for the offset being 34-bits when -mcpu=future is used.
 922
 923 2020-01-06  John David Anglin  <danglin@gcc.gnu.org>
 924
 925         * config/pa/pa.md: Revert change to use ordered_comparison_operator
 926         instead of cmpib_comparison_operator in cmpib patterns.
 927         * config/pa/predicates.md (cmpib_comparison_operator): Revert removal
 928         of cmpib_comparison_operator.  Revise comment.
 929
 930 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 931
 932         * tree-vect-slp.c (vect_build_slp_tree_1): Require all shifts
 933         in an IFN_DIV_POW2 node to be equal.
 934
 935 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 936
 937         * tree-vect-stmts.c (vect_check_load_store_mask): Rename to...
 938         (vect_check_scalar_mask): ...this.
 939         (vectorizable_store, vectorizable_load): Update call accordingly.
 940         (vectorizable_call): Use vect_check_scalar_mask to check the mask
 941         argument in calls to conditional internal functions.
 942
 943 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
 944
 945         * config/gcn/gcn-valu.md (subv64di3): Use separate alternatives for
 946         '0' matching inputs.
 947         (subv64di3_exec): Likewise.
 948
 949 2020-01-06  Bryan Stenson  <bryan@siliconvortex.com>
 950
 951         * config/mips/mips.c (vr4130_align_insns): Fix typo.
 952         * doc/md.texi (movstr): Likewise.
 953
 954 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
 955
 956         * config/gcn/gcn-valu.md (vec_extract<mode><scalar_mode>): Add early
 957         clobber.
 958
 959 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 960
 961         * config/aarch64/t-aarch64 ($(srcdir)/config/aarch64/aarch64-tune.md):
 962         Depend on...
 963         (s-aarch64-tune-md): ...this new stamp file.  Pipe the new contents
 964         to a temporary file and use move-if-change to update the real
 965         file where necessary.
 966
 967 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 968
 969         * config/aarch64/aarch64-sve.md (@aarch64_sel_dup<mode>): Use Upl
 970         rather than Upa for CPY /M.
 971
 972 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
 973
 974         * config/gcn/gcn.c (gcn_inline_constant_p): Allow 64 as an inline
 975         immediate.
 976
 977 2020-01-06  Martin Liska  <mliska@suse.cz>
 978
 979     PR tree-optimization/92860
 980     * params.opt: Mark param_max_combine_insns with Optimization
 981     keyword.
 982
 983 2020-01-05  Jakub Jelinek  <jakub@redhat.com>
 984
 985         PR target/93141
 986         * config/i386/i386.md (SWIDWI): New mode iterator.
 987         (DWI, dwi): Add TImode variants.
 988         (addv<mode>4): Use SWIDWI iterator instead of SWI.  Use
 989         <general_hilo_operand> instead of <general_operand>.  Use
 990         CONST_SCALAR_INT_P instead of CONST_INT_P.
 991         (*addv<mode>4_1): Rename to ...
 992         (addv<mode>4_1): ... this.
 993         (QWI): New mode attribute.
 994         (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
 995         define_insn_and_split patterns.
 996         (*addv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
 997         patterns.
 998         (uaddv<mode>4): Use SWIDWI iterator instead of SWI.  Use
 999         <general_hilo_operand> instead of <general_operand>.
1000         (*addcarry<mode>_1): New define_insn.
1001         (*add<dwi>3_doubleword_cc_overflow_1): New define_insn_and_split.
1002
1003 2020-01-03  Konstantin Kharlamov  <Hi-Angel@yandex.ru>
1004
1005         * gdbinit.in (pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, pdd, pbs, pbm):
1006         Use "call" instead of "set".
1007
1008 2020-01-03  Martin Jambor  <mjambor@suse.cz>
1009
1010         PR ipa/92917
1011         * ipa-cp.c (print_all_lattices): Skip functions without info.
1012
1013 2020-01-03  Jakub Jelinek  <jakub@redhat.com>
1014
1015         PR target/93089
1016         * config/i386/i386-options.c (ix86_simd_clone_adjust): If
1017         TARGET_PREFER_AVX128, use prefer-vector-width=256 for 'c' and 'd'
1018         simd clones.  If TARGET_PREFER_AVX256, use prefer-vector-width=512
1019         for 'e' simd clones.
1020
1021         PR target/93089
1022         * config/i386/i386.opt (x_prefer_vector_width_type): Remove TargetSave
1023         entry.
1024         (mprefer-vector-width=): Add Save.
1025         * config/i386/i386-options.c (ix86_target_string): Add PVW argument, print
1026         -mprefer-vector-width= if non-zero.  Fix up -mfpmath= comment.
1027         (ix86_debug_options, ix86_function_specific_print): Adjust
1028         ix86_target_string callers.
1029         (ix86_valid_target_attribute_inner_p): Handle prefer-vector-width=.
1030         (ix86_valid_target_attribute_tree): Likewise.
1031         * config/i386/i386-options.h (ix86_target_string): Add PVW argument.
1032         * config/i386/i386-expand.c (ix86_expand_builtin): Adjust
1033         ix86_target_string caller.
1034
1035         PR target/93110
1036         * config/i386/i386.md (abs<mode>2): Use expand_simple_binop instead of
1037         emitting ASHIFTRT, XOR and MINUS by hand.  Use gen_int_mode with QImode
1038         instead of gen_int_shift_amount + convert_modes.
1039
1040         PR rtl-optimization/93088
1041         * loop-iv.c (find_single_def_src): Punt after looking through
1042         128 reg copies for regs with single definitions.  Move definitions
1043         to first uses.
1044
1045 2020-01-02  Dennis Zhang  <dennis.zhang@arm.com>
1046
1047         * config/arm/arm-c.c (arm_cpu_builtins): Define
1048         __ARM_FEATURE_MATMUL_INT8, __ARM_FEATURE_BF16_VECTOR_ARITHMETIC,
1049         __ARM_FEATURE_BF16_SCALAR_ARITHMETIC, and
1050         __ARM_BF16_FORMAT_ALTERNATIVE when enabled.
1051         * config/arm/arm-cpus.in (armv8_6, i8mm, bf16): New features.
1052         * config/arm/arm-tables.opt: Regenerated.
1053         * config/arm/arm.c (arm_option_reconfigure_globals): Initialize
1054         arm_arch_i8mm and arm_arch_bf16 when enabled.
1055         * config/arm/arm.h (TARGET_I8MM): New macro.
1056         (TARGET_BF16_FP, TARGET_BF16_SIMD): Likewise.
1057         * config/arm/t-aprofile: Add matching rules for -march=armv8.6-a.
1058         * config/arm/t-arm-elf (all_v8_archs): Add armv8.6-a.
1059         * config/arm/t-multilib: Add matching rules for -march=armv8.6-a.
1060         (v8_6_a_simd_variants): New.
1061         (v8_*_a_simd_variants): Add i8mm and bf16.
1062         * doc/invoke.texi (armv8.6-a, i8mm, bf16): Document new options.
1063
1064 2020-01-02  Jakub Jelinek  <jakub@redhat.com>
1065
1066         PR ipa/93087
1067         * predict.c (compute_function_frequency): Don't call
1068         warn_function_cold on functions that already have cold attribute.
1069
1070 2020-01-01  John David Anglin  <danglin@gcc.gnu.org>
1071
1072         PR target/67834
1073         * config/pa/pa.c (pa_elf_select_rtx_section): New.  Put references to
1074         COMDAT group function labels in .data.rel.ro.local section.
1075         * config/pa/pa32-linux.h (TARGET_ASM_SELECT_RTX_SECTION): Define.
1076
1077         PR target/93111
1078         * config/pa/pa.md (scc): Use ordered_comparison_operator instead of
1079         comparison_operator in B and S integer comparisons.  Likewise, use
1080         ordered_comparison_operator instead of cmpib_comparison_operator in
1081         cmpib patterns.
1082         * config/pa/predicates.md (cmpib_comparison_operator): Remove.
1083
1084 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
1085
1086         Update copyright years.
1087
1088         * gcc.c (process_command): Update copyright notice dates.
1089         * gcov-dump.c (print_version): Ditto.
1090         * gcov.c (print_version): Ditto.
1091         * gcov-tool.c (print_version): Ditto.
1092         * gengtype.c (create_file): Ditto.
1093         * doc/cpp.texi: Bump @copying's copyright year.
1094         * doc/cppinternals.texi: Ditto.
1095         * doc/gcc.texi: Ditto.
1096         * doc/gccint.texi: Ditto.
1097         * doc/gcov.texi: Ditto.
1098         * doc/install.texi: Ditto.
1099         * doc/invoke.texi: Ditto.
1100
1101 2020-01-01  Jan Hubicka  <hubicka@ucw.cz>
1102
1103         * ipa.c (walk_polymorphic_call_targets): Fix updating of overall
1104         summary.
1105
1106 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
1107
1108         PR tree-optimization/93098
1109         * match.pd (popcount): For shift amounts, use integer_onep
1110         or wi::to_widest () == cst instead of tree_to_uhwi () == cst
1111         tests.  Make sure that precision is power of two larger than or equal
1112         to 16.  Ensure shift is never negative.  Use HOST_WIDE_INT_UC macro
1113         instead of ULL suffixed constants.  Formatting fixes.
1114 \f
1115 Copyright (C) 2020 Free Software Foundation, Inc.
1116
1117 Copying and distribution of this file, with or without modification,
1118 are permitted in any medium without royalty provided the copyright
1119 notice and this notice are preserved.