mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 02:32:08 +00:00
61 lines
2.8 KiB
TableGen
61 lines
2.8 KiB
TableGen
|
//====- X86InstrFMA.td - Describe the X86 Instruction Set --*- tablegen -*-===//
|
||
|
|
//
|
||
|
|
// The LLVM Compiler Infrastructure
|
||
|
|
//
|
||
|
|
// This file is distributed under the University of Illinois Open Source
|
||
|
|
// License. See LICENSE.TXT for details.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// This file describes FMA (Fused Multiply-Add) instructions.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
// FMA3 - Intel 3 operand Fused Multiply-Add instructions
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
multiclass fma_rm<bits<8> opc, string OpcodeStr> {
|
||
|
|
def r : FMA3<opc, MRMSrcReg, (outs VR128:$dst),
|
||
|
|
(ins VR128:$src1, VR128:$src2),
|
||
|
|
!strconcat(OpcodeStr, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
|
||
|
|
[]>;
|
||
|
|
def m : FMA3<opc, MRMSrcMem, (outs VR128:$dst),
|
||
|
|
(ins VR128:$src1, f128mem:$src2),
|
||
|
|
!strconcat(OpcodeStr, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
|
||
|
|
[]>;
|
||
|
|
def rY : FMA3<opc, MRMSrcReg, (outs VR256:$dst),
|
||
|
|
(ins VR256:$src1, VR256:$src2),
|
||
|
|
!strconcat(OpcodeStr, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
|
||
|
|
[]>;
|
||
|
|
def mY : FMA3<opc, MRMSrcMem, (outs VR256:$dst),
|
||
|
|
(ins VR256:$src1, f256mem:$src2),
|
||
|
|
!strconcat(OpcodeStr, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
|
||
|
|
[]>;
|
||
|
|
}
|
||
|
|
|
||
|
|
multiclass fma_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231,
|
||
|
|
string OpcodeStr, string PackTy> {
|
||
|
|
defm r132 : fma_rm<opc132, !strconcat(OpcodeStr, !strconcat("132", PackTy))>;
|
||
|
|
defm r213 : fma_rm<opc213, !strconcat(OpcodeStr, !strconcat("213", PackTy))>;
|
||
|
|
defm r231 : fma_rm<opc231, !strconcat(OpcodeStr, !strconcat("231", PackTy))>;
|
||
|
|
}
|
||
|
|
|
||
|
|
let isAsmParserOnly = 1 in {
|
||
|
|
// Fused Multiply-Add
|
||
|
|
defm VFMADDPS : fma_forms<0x98, 0xA8, 0xB8, "vfmadd", "ps">;
|
||
|
|
defm VFMADDPD : fma_forms<0x98, 0xA8, 0xB8, "vfmadd", "pd">, VEX_W;
|
||
|
|
defm VFMADDSUBPS : fma_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "ps">;
|
||
|
|
defm VFMADDSUBPD : fma_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "pd">, VEX_W;
|
||
|
|
defm VFMSUBADDPS : fma_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "ps">;
|
||
|
|
defm VFMSUBADDPD : fma_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "pd">, VEX_W;
|
||
|
|
defm VFMSUBPS : fma_forms<0x9A, 0xAA, 0xBA, "vfmsub", "ps">;
|
||
|
|
defm VFMSUBPD : fma_forms<0x9A, 0xAA, 0xBA, "vfmsub", "pd">, VEX_W;
|
||
|
|
|
||
|
|
// Fused Negative Multiply-Add
|
||
|
|
defm VFNMADDPS : fma_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "ps">;
|
||
|
|
defm VFNMADDPD : fma_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "pd">, VEX_W;
|
||
|
|
defm VFNMSUBPS : fma_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "ps">;
|
||
|
|
defm VFNMSUBPD : fma_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "pd">, VEX_W;
|
||
|
|
}
|