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llvm-6502/lib/Target/X86/X86InstrFMA.td

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//===-- X86InstrFMA.td - FMA 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
//===----------------------------------------------------------------------===//
let Constraints = "$src1 = $dst" in {
multiclass fma3p_rm<bits<8> opc, string OpcodeStr> {
def r : FMA3<opc, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, VR128:$src3),
!strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[]>;
let mayLoad = 1 in
def m : FMA3<opc, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, f128mem:$src3),
!strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[]>;
def rY : FMA3<opc, MRMSrcReg, (outs VR256:$dst),
(ins VR256:$src1, VR256:$src2, VR256:$src3),
!strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[]>;
let mayLoad = 1 in
def mY : FMA3<opc, MRMSrcMem, (outs VR256:$dst),
(ins VR256:$src1, VR256:$src2, f256mem:$src3),
!strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[]>;
}
// Intrinsic for 132 pattern
multiclass fma3p_rm_int<bits<8> opc, string OpcodeStr,
PatFrag MemFrag128, PatFrag MemFrag256,
Intrinsic Int128, Intrinsic Int256> {
def r_Int : FMA3<opc, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, VR128:$src3),
!strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[(set VR128:$dst, (Int128 VR128:$src1, VR128:$src3, VR128:$src2))]>;
def m_Int : FMA3<opc, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, f128mem:$src3),
!strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[(set VR128:$dst,
(Int128 VR128:$src1, (MemFrag128 addr:$src3), VR128:$src2))]>;
def rY_Int : FMA3<opc, MRMSrcReg, (outs VR256:$dst),
(ins VR256:$src1, VR256:$src2, VR256:$src3),
!strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[(set VR256:$dst, (Int256 VR256:$src1, VR256:$src3, VR256:$src2))]>;
def mY_Int : FMA3<opc, MRMSrcMem, (outs VR256:$dst),
(ins VR256:$src1, VR256:$src2, f256mem:$src3),
!strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[(set VR256:$dst,
(Int256 VR256:$src1, (MemFrag256 addr:$src3), VR256:$src2))]>;
}
}
multiclass fma3p_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231,
string OpcodeStr, string PackTy,
PatFrag MemFrag128, PatFrag MemFrag256,
Intrinsic Int128, Intrinsic Int256> {
defm r132 : fma3p_rm_int <opc132, !strconcat(OpcodeStr,
!strconcat("132", PackTy)), MemFrag128, MemFrag256,
Int128, Int256>;
defm r132 : fma3p_rm <opc132, !strconcat(OpcodeStr, !strconcat("132", PackTy))>;
defm r213 : fma3p_rm <opc213, !strconcat(OpcodeStr, !strconcat("213", PackTy))>;
defm r231 : fma3p_rm <opc231, !strconcat(OpcodeStr, !strconcat("231", PackTy))>;
}
// Fused Multiply-Add
let ExeDomain = SSEPackedSingle in {
defm VFMADDPS : fma3p_forms<0x98, 0xA8, 0xB8, "vfmadd", "ps", memopv4f32,
memopv8f32, int_x86_fma4_vfmadd_ps, int_x86_fma4_vfmadd_ps_256>;
defm VFMSUBPS : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "ps", memopv4f32,
memopv8f32, int_x86_fma4_vfmsub_ps, int_x86_fma4_vfmsub_ps_256>;
defm VFMADDSUBPS : fma3p_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "ps",
memopv4f32, memopv8f32, int_x86_fma4_vfmaddsub_ps,
int_x86_fma4_vfmaddsub_ps_256>;
defm VFMSUBADDPS : fma3p_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "ps",
memopv4f32, memopv8f32, int_x86_fma4_vfmsubadd_ps,
int_x86_fma4_vfmaddsub_ps_256>;
}
let ExeDomain = SSEPackedDouble in {
defm VFMADDPD : fma3p_forms<0x98, 0xA8, 0xB8, "vfmadd", "pd", memopv2f64,
memopv4f64, int_x86_fma4_vfmadd_pd, int_x86_fma4_vfmadd_pd_256>, VEX_W;
defm VFMSUBPD : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "pd", memopv2f64,
memopv4f64, int_x86_fma4_vfmsub_pd, int_x86_fma4_vfmsub_pd_256>, VEX_W;
defm VFMADDSUBPD : fma3p_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "pd", memopv2f64,
memopv4f64, int_x86_fma4_vfmaddsub_pd, int_x86_fma4_vfmaddsub_pd_256>, VEX_W;
defm VFMSUBADDPD : fma3p_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "pd", memopv2f64,
memopv4f64, int_x86_fma4_vfmsubadd_pd, int_x86_fma4_vfmsubadd_pd_256>, VEX_W;
}
// Fused Negative Multiply-Add
let ExeDomain = SSEPackedSingle in {
defm VFNMADDPS : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "ps", memopv4f32,
memopv8f32, int_x86_fma4_vfnmadd_ps, int_x86_fma4_vfnmadd_ps_256>;
defm VFNMSUBPS : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "ps", memopv4f32,
memopv8f32, int_x86_fma4_vfnmsub_ps, int_x86_fma4_vfnmsub_ps_256>;
}
let ExeDomain = SSEPackedDouble in {
defm VFNMADDPD : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "pd", memopv2f64,
memopv4f64, int_x86_fma4_vfnmadd_pd, int_x86_fma4_vfnmadd_pd_256>, VEX_W;
defm VFNMSUBPD : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "pd", memopv2f64,
memopv4f64, int_x86_fma4_vfnmsub_pd, int_x86_fma4_vfnmsub_pd_256>, VEX_W;
}
let Constraints = "$src1 = $dst" in {
multiclass fma3s_rm<bits<8> opc, string OpcodeStr, X86MemOperand x86memop,
RegisterClass RC> {
def r : FMA3<opc, MRMSrcReg, (outs RC:$dst),
(ins RC:$src1, RC:$src2, RC:$src3),
!strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[]>;
def m : FMA3<opc, MRMSrcMem, (outs RC:$dst),
(ins RC:$src1, RC:$src2, x86memop:$src3),
!strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[]>;
}
multiclass fma3s_rm_int<bits<8> opc, string OpcodeStr, X86MemOperand x86memop,
RegisterClass RC, Intrinsic IntId> {
def r_Int : FMA3<opc, MRMSrcReg, (outs RC:$dst),
(ins RC:$src1, RC:$src2, RC:$src3),
!strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[(set RC:$dst, (IntId RC:$src1, RC:$src3, RC:$src2))]>;
def m_Int : FMA3<opc, MRMSrcMem, (outs RC:$dst),
(ins RC:$src1, VR128:$src2, x86memop:$src3),
!strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[(set RC:$dst, (IntId RC:$src1, (load addr:$src3), RC:$src2))]>;
}
}
multiclass fma3s_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231,
string OpcodeStr, string PackTy, X86MemOperand MemOp,
RegisterClass RC, Intrinsic IntId> {
defm r132 : fma3s_rm <opc132, !strconcat(OpcodeStr,
!strconcat("132", PackTy)), MemOp, RC>;
defm r213 : fma3s_rm <opc213, !strconcat(OpcodeStr,
!strconcat("213", PackTy)), MemOp, RC>;
defm r231 : fma3s_rm <opc231, !strconcat(OpcodeStr,
!strconcat("231", PackTy)), MemOp, RC>;
defm r132_Int : fma3s_rm_int <opc132, !strconcat(OpcodeStr,
!strconcat("132", PackTy)), MemOp, VR128, IntId>;
}
defm VFMADDSS : fma3s_forms<0x99, 0xA9, 0xB9, "vfmadd", "ss", f32mem, FR32,
int_x86_fma4_vfmadd_ss>, VEX_LIG;
defm VFMADDSD : fma3s_forms<0x99, 0xA9, 0xB9, "vfmadd", "sd", f64mem, FR64,
int_x86_fma4_vfmadd_sd>, VEX_W, VEX_LIG;
defm VFMSUBSS : fma3s_forms<0x9B, 0xAB, 0xBB, "vfmsub", "ss", f32mem, FR32,
int_x86_fma4_vfmsub_ss>, VEX_LIG;
defm VFMSUBSD : fma3s_forms<0x9B, 0xAB, 0xBB, "vfmsub", "sd", f64mem, FR64,
int_x86_fma4_vfmsub_sd>, VEX_W, VEX_LIG;
defm VFNMADDSS : fma3s_forms<0x9D, 0xAD, 0xBD, "vfnmadd", "ss", f32mem, FR32,
int_x86_fma4_vfnmadd_ss>, VEX_LIG;
defm VFNMADDSD : fma3s_forms<0x9D, 0xAD, 0xBD, "vfnmadd", "sd", f64mem, FR64,
int_x86_fma4_vfnmadd_sd>, VEX_W, VEX_LIG;
defm VFNMSUBSS : fma3s_forms<0x9F, 0xAF, 0xBF, "vfnmsub", "ss", f32mem, FR32,
int_x86_fma4_vfnmsub_ss>, VEX_LIG;
defm VFNMSUBSD : fma3s_forms<0x9F, 0xAF, 0xBF, "vfnmsub", "sd", f64mem, FR64,
int_x86_fma4_vfnmsub_sd>, VEX_W, VEX_LIG;
//===----------------------------------------------------------------------===//
// FMA4 - AMD 4 operand Fused Multiply-Add instructions
//===----------------------------------------------------------------------===//
multiclass fma4s<bits<8> opc, string OpcodeStr, Operand memop,
ComplexPattern mem_cpat, Intrinsic Int> {
def rr : FMA4<opc, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, VR128:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
[(set VR128:$dst,
(Int VR128:$src1, VR128:$src2, VR128:$src3))]>, VEX_W, MemOp4;
def rm : FMA4<opc, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, memop:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
[(set VR128:$dst,
(Int VR128:$src1, VR128:$src2, mem_cpat:$src3))]>, VEX_W, MemOp4;
def mr : FMA4<opc, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, memop:$src2, VR128:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
[(set VR128:$dst,
(Int VR128:$src1, mem_cpat:$src2, VR128:$src3))]>;
// For disassembler
let isCodeGenOnly = 1 in
def rr_REV : FMA4<opc, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, VR128:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>;
}
multiclass fma4p<bits<8> opc, string OpcodeStr,
Intrinsic Int128, Intrinsic Int256,
PatFrag ld_frag128, PatFrag ld_frag256> {
def rr : FMA4<opc, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, VR128:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
[(set VR128:$dst,
(Int128 VR128:$src1, VR128:$src2, VR128:$src3))]>, VEX_W, MemOp4;
def rm : FMA4<opc, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, f128mem:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
[(set VR128:$dst, (Int128 VR128:$src1, VR128:$src2,
(ld_frag128 addr:$src3)))]>, VEX_W, MemOp4;
def mr : FMA4<opc, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, f128mem:$src2, VR128:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
[(set VR128:$dst,
(Int128 VR128:$src1, (ld_frag128 addr:$src2), VR128:$src3))]>;
def rrY : FMA4<opc, MRMSrcReg, (outs VR256:$dst),
(ins VR256:$src1, VR256:$src2, VR256:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
[(set VR256:$dst,
(Int256 VR256:$src1, VR256:$src2, VR256:$src3))]>, VEX_W, MemOp4;
def rmY : FMA4<opc, MRMSrcMem, (outs VR256:$dst),
(ins VR256:$src1, VR256:$src2, f256mem:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
[(set VR256:$dst, (Int256 VR256:$src1, VR256:$src2,
(ld_frag256 addr:$src3)))]>, VEX_W, MemOp4;
def mrY : FMA4<opc, MRMSrcMem, (outs VR256:$dst),
(ins VR256:$src1, f256mem:$src2, VR256:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
[(set VR256:$dst,
(Int256 VR256:$src1, (ld_frag256 addr:$src2), VR256:$src3))]>;
// For disassembler
let isCodeGenOnly = 1 in {
def rr_REV : FMA4<opc, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, VR128:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>;
def rrY_REV : FMA4<opc, MRMSrcReg, (outs VR256:$dst),
(ins VR256:$src1, VR256:$src2, VR256:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>;
} // isCodeGenOnly = 1
}
let Predicates = [HasFMA4] in {
defm VFMADDSS4 : fma4s<0x6A, "vfmaddss", ssmem, sse_load_f32,
int_x86_fma4_vfmadd_ss>;
defm VFMADDSD4 : fma4s<0x6B, "vfmaddsd", sdmem, sse_load_f64,
int_x86_fma4_vfmadd_sd>;
defm VFMADDPS4 : fma4p<0x68, "vfmaddps", int_x86_fma4_vfmadd_ps,
int_x86_fma4_vfmadd_ps_256, memopv4f32, memopv8f32>;
defm VFMADDPD4 : fma4p<0x69, "vfmaddpd", int_x86_fma4_vfmadd_pd,
int_x86_fma4_vfmadd_pd_256, memopv2f64, memopv4f64>;
defm VFMSUBSS4 : fma4s<0x6E, "vfmsubss", ssmem, sse_load_f32,
int_x86_fma4_vfmsub_ss>;
defm VFMSUBSD4 : fma4s<0x6F, "vfmsubsd", sdmem, sse_load_f64,
int_x86_fma4_vfmsub_sd>;
defm VFMSUBPS4 : fma4p<0x6C, "vfmsubps", int_x86_fma4_vfmsub_ps,
int_x86_fma4_vfmsub_ps_256, memopv4f32, memopv8f32>;
defm VFMSUBPD4 : fma4p<0x6D, "vfmsubpd", int_x86_fma4_vfmsub_pd,
int_x86_fma4_vfmsub_pd_256, memopv2f64, memopv4f64>;
defm VFNMADDSS4 : fma4s<0x7A, "vfnmaddss", ssmem, sse_load_f32,
int_x86_fma4_vfnmadd_ss>;
defm VFNMADDSD4 : fma4s<0x7B, "vfnmaddsd", sdmem, sse_load_f64,
int_x86_fma4_vfnmadd_sd>;
defm VFNMADDPS4 : fma4p<0x78, "vfnmaddps", int_x86_fma4_vfnmadd_ps,
int_x86_fma4_vfnmadd_ps_256, memopv4f32, memopv8f32>;
defm VFNMADDPD4 : fma4p<0x79, "vfnmaddpd", int_x86_fma4_vfnmadd_pd,
int_x86_fma4_vfnmadd_pd_256, memopv2f64, memopv4f64>;
defm VFNMSUBSS4 : fma4s<0x7E, "vfnmsubss", ssmem, sse_load_f32,
int_x86_fma4_vfnmsub_ss>;
defm VFNMSUBSD4 : fma4s<0x7F, "vfnmsubsd", sdmem, sse_load_f64,
int_x86_fma4_vfnmsub_sd>;
defm VFNMSUBPS4 : fma4p<0x7C, "vfnmsubps", int_x86_fma4_vfnmsub_ps,
int_x86_fma4_vfnmsub_ps_256, memopv4f32, memopv8f32>;
defm VFNMSUBPD4 : fma4p<0x7D, "vfnmsubpd", int_x86_fma4_vfnmsub_pd,
int_x86_fma4_vfnmsub_pd_256, memopv2f64, memopv4f64>;
defm VFMADDSUBPS4 : fma4p<0x5C, "vfmaddsubps", int_x86_fma4_vfmaddsub_ps,
int_x86_fma4_vfmaddsub_ps_256, memopv4f32, memopv8f32>;
defm VFMADDSUBPD4 : fma4p<0x5D, "vfmaddsubpd", int_x86_fma4_vfmaddsub_pd,
int_x86_fma4_vfmaddsub_pd_256, memopv2f64, memopv4f64>;
defm VFMSUBADDPS4 : fma4p<0x5E, "vfmsubaddps", int_x86_fma4_vfmsubadd_ps,
int_x86_fma4_vfmsubadd_ps_256, memopv4f32, memopv8f32>;
defm VFMSUBADDPD4 : fma4p<0x5F, "vfmsubaddpd", int_x86_fma4_vfmsubadd_pd,
int_x86_fma4_vfmsubadd_pd_256, memopv2f64, memopv4f64>;
} // HasFMA4
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