diff options
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 92 |
1 files changed, 91 insertions, 1 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 526e7d1..ffb1386 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -2772,7 +2772,8 @@ ix86_target_string (HOST_WIDE_INT isa, HOST_WIDE_INT isa2, { "-mmovbe", OPTION_MASK_ISA_MOVBE }, { "-mclzero", OPTION_MASK_ISA_CLZERO }, { "-mmwaitx", OPTION_MASK_ISA_MWAITX }, - { "-mmovdir64b", OPTION_MASK_ISA_MOVDIR64B } + { "-mmovdir64b", OPTION_MASK_ISA_MOVDIR64B }, + { "-mwaitpkg", OPTION_MASK_ISA_WAITPKG } }; static struct ix86_target_opts isa_opts[] = { @@ -3455,6 +3456,7 @@ ix86_option_override_internal (bool main_args_p, const wide_int_bitmask PTA_RDPID (0, HOST_WIDE_INT_1U << 6); const wide_int_bitmask PTA_PCONFIG (0, HOST_WIDE_INT_1U << 7); const wide_int_bitmask PTA_WBNOINVD (0, HOST_WIDE_INT_1U << 8); + const wide_int_bitmask PTA_WAITPKG (0, HOST_WIDE_INT_1U << 9); const wide_int_bitmask PTA_CORE2 = PTA_64BIT | PTA_MMX | PTA_SSE | PTA_SSE2 | PTA_SSE3 | PTA_SSSE3 | PTA_CX16 | PTA_FXSR; @@ -5387,6 +5389,7 @@ ix86_valid_target_attribute_inner_p (tree args, char *p_strings[], IX86_ATTR_ISA ("vpclmulqdq", OPT_mvpclmulqdq), IX86_ATTR_ISA ("movdiri", OPT_mmovdiri), IX86_ATTR_ISA ("movdir64b", OPT_mmovdir64b), + IX86_ATTR_ISA ("waitpkg", OPT_mwaitpkg), /* enum options */ IX86_ATTR_ENUM ("fpmath=", OPT_mfpmath_), @@ -30642,6 +30645,9 @@ enum ix86_builtins IX86_BUILTIN_CLFLUSH, IX86_BUILTIN_MONITOR, IX86_BUILTIN_MWAIT, + IX86_BUILTIN_UMONITOR, + IX86_BUILTIN_UMWAIT, + IX86_BUILTIN_TPAUSE, IX86_BUILTIN_CLZERO, IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI, @@ -31973,6 +31979,14 @@ ix86_init_mmx_sse_builtins (void) def_builtin2 (OPTION_MASK_ISA_CLZERO, "__builtin_ia32_clzero", VOID_FTYPE_PCVOID, IX86_BUILTIN_CLZERO); + /* WAITPKG. */ + def_builtin2 (OPTION_MASK_ISA_WAITPKG, "__builtin_ia32_umonitor", + VOID_FTYPE_PVOID, IX86_BUILTIN_UMONITOR); + def_builtin2 (OPTION_MASK_ISA_WAITPKG, "__builtin_ia32_umwait", + UINT8_FTYPE_UNSIGNED_UINT64, IX86_BUILTIN_UMWAIT); + def_builtin2 (OPTION_MASK_ISA_WAITPKG, "__builtin_ia32_tpause", + UINT8_FTYPE_UNSIGNED_UINT64, IX86_BUILTIN_TPAUSE); + /* Add FMA4 multi-arg argument instructions */ for (i = 0, d = bdesc_multi_arg; i < ARRAY_SIZE (bdesc_multi_arg); i++, d++) { @@ -37048,6 +37062,82 @@ ix86_expand_builtin (tree exp, rtx target, rtx subtarget, emit_insn (gen_mwaitx (op0, op1, op2)); return 0; + case IX86_BUILTIN_UMONITOR: + arg0 = CALL_EXPR_ARG (exp, 0); + op0 = expand_normal (arg0); + + op0 = ix86_zero_extend_to_Pmode (op0); + + insn = (TARGET_64BIT + ? gen_umonitor_di (op0) + : gen_umonitor_si (op0)); + + emit_insn (insn); + return 0; + + case IX86_BUILTIN_UMWAIT: + case IX86_BUILTIN_TPAUSE: + arg0 = CALL_EXPR_ARG (exp, 0); + arg1 = CALL_EXPR_ARG (exp, 1); + op0 = expand_normal (arg0); + op1 = expand_normal (arg1); + + if (!REG_P (op0)) + op0 = copy_to_mode_reg (SImode, op0); + + op1 = force_reg (DImode, op1); + + if (TARGET_64BIT) + { + op2 = expand_simple_binop (DImode, LSHIFTRT, op1, GEN_INT (32), + NULL, 1, OPTAB_DIRECT); + switch (fcode) + { + case IX86_BUILTIN_UMWAIT: + icode = CODE_FOR_umwait_rex64; + break; + case IX86_BUILTIN_TPAUSE: + icode = CODE_FOR_tpause_rex64; + break; + default: + gcc_unreachable (); + } + + op2 = gen_lowpart (SImode, op2); + op1 = gen_lowpart (SImode, op1); + pat = GEN_FCN (icode) (op0, op1, op2); + } + else + { + switch (fcode) + { + case IX86_BUILTIN_UMWAIT: + icode = CODE_FOR_umwait; + break; + case IX86_BUILTIN_TPAUSE: + icode = CODE_FOR_tpause; + break; + default: + gcc_unreachable (); + } + pat = GEN_FCN (icode) (op0, op1); + } + + if (!pat) + return 0; + + emit_insn (pat); + + if (target == 0 + || !register_operand (target, QImode)) + target = gen_reg_rtx (QImode); + + pat = gen_rtx_EQ (QImode, gen_rtx_REG (CCCmode, FLAGS_REG), + const0_rtx); + emit_insn (gen_rtx_SET (target, pat)); + + return target; + case IX86_BUILTIN_CLZERO: arg0 = CALL_EXPR_ARG (exp, 0); op0 = expand_normal (arg0); |