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8154122: Intrinsify fused mac operations

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Added FMA intrinsics on x86

Reviewed-by: kvn, aph, darcy
This commit is contained in:
Vivek Deshpande 2016-08-26 12:17:50 -07:00
parent 474c035379
commit d58e3e0324
42 changed files with 365 additions and 13 deletions
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16
hotspot/src/cpu/x86/vm/assembler_x86.cpp
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@ -4769,6 +4769,22 @@ void Assembler::vdivss(XMMRegister dst, XMMRegister nds, XMMRegister src) {
emit_int8((unsigned char)(0xC0 | encode));
}
void Assembler::vfmadd231sd(XMMRegister dst, XMMRegister src1, XMMRegister src2) {
assert(VM_Version::supports_fma(), "");
InstructionAttr attributes(AVX_128bit, /* vex_w */ true, /* legacy_mode */ false, /* no_mask_reg */ false, /* uses_vl */ false);
int encode = vex_prefix_and_encode(dst->encoding(), src1->encoding(), src2->encoding(), VEX_SIMD_66, VEX_OPCODE_0F_38, &attributes);
emit_int8((unsigned char)0xB9);
emit_int8((unsigned char)(0xC0 | encode));
}
void Assembler::vfmadd231ss(XMMRegister dst, XMMRegister src1, XMMRegister src2) {
assert(VM_Version::supports_fma(), "");
InstructionAttr attributes(AVX_128bit, /* vex_w */ false, /* legacy_mode */ false, /* no_mask_reg */ false, /* uses_vl */ false);
int encode = vex_prefix_and_encode(dst->encoding(), src1->encoding(), src2->encoding(), VEX_SIMD_66, VEX_OPCODE_0F_38, &attributes);
emit_int8((unsigned char)0xB9);
emit_int8((unsigned char)(0xC0 | encode));
}
void Assembler::vmulsd(XMMRegister dst, XMMRegister nds, Address src) {
assert(VM_Version::supports_avx(), "");
InstructionMark im(this);