forked from OSchip/llvm-project
641 lines
33 KiB
TableGen
641 lines
33 KiB
TableGen
//===-- X86InstrFMA.td - FMA Instruction Set ---------------*- tablegen -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file describes FMA (Fused Multiply-Add) instructions.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// FMA3 - Intel 3 operand Fused Multiply-Add instructions
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//===----------------------------------------------------------------------===//
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// For all FMA opcodes declared in fma3p_rm_* and fma3s_rm_* multiclasses
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// defined below, both the register and memory variants are commutable.
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// For the register form the commutable operands are 1, 2 and 3.
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// For the memory variant the folded operand must be in 3. Thus,
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// in that case, only the operands 1 and 2 can be swapped.
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// Commuting some of operands may require the opcode change.
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// FMA*213*:
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// operands 1 and 2 (memory & register forms): *213* --> *213*(no changes);
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// operands 1 and 3 (register forms only): *213* --> *231*;
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// operands 2 and 3 (register forms only): *213* --> *132*.
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// FMA*132*:
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// operands 1 and 2 (memory & register forms): *132* --> *231*;
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// operands 1 and 3 (register forms only): *132* --> *132*(no changes);
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// operands 2 and 3 (register forms only): *132* --> *213*.
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// FMA*231*:
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// operands 1 and 2 (memory & register forms): *231* --> *132*;
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// operands 1 and 3 (register forms only): *231* --> *213*;
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// operands 2 and 3 (register forms only): *231* --> *231*(no changes).
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multiclass fma3p_rm_213<bits<8> opc, string OpcodeStr, RegisterClass RC,
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ValueType VT, X86MemOperand x86memop, PatFrag MemFrag,
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SDNode Op, X86FoldableSchedWrite sched> {
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def r : FMA3<opc, MRMSrcReg, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, RC:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[(set RC:$dst, (VT (Op RC:$src2, RC:$src1, RC:$src3)))]>,
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Sched<[sched]>;
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let mayLoad = 1 in
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def m : FMA3<opc, MRMSrcMem, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, x86memop:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[(set RC:$dst, (VT (Op RC:$src2, RC:$src1,
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(MemFrag addr:$src3))))]>,
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Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>;
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}
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multiclass fma3p_rm_231<bits<8> opc, string OpcodeStr, RegisterClass RC,
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ValueType VT, X86MemOperand x86memop, PatFrag MemFrag,
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SDNode Op, X86FoldableSchedWrite sched> {
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let hasSideEffects = 0 in
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def r : FMA3<opc, MRMSrcReg, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, RC:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[]>, Sched<[sched]>;
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let mayLoad = 1 in
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def m : FMA3<opc, MRMSrcMem, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, x86memop:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[(set RC:$dst, (VT (Op RC:$src2, (MemFrag addr:$src3),
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RC:$src1)))]>,
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Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>;
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}
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multiclass fma3p_rm_132<bits<8> opc, string OpcodeStr, RegisterClass RC,
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ValueType VT, X86MemOperand x86memop, PatFrag MemFrag,
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SDNode Op, X86FoldableSchedWrite sched> {
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let hasSideEffects = 0 in
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def r : FMA3<opc, MRMSrcReg, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, RC:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[]>, Sched<[sched]>;
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// Pattern is 312 order so that the load is in a different place from the
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// 213 and 231 patterns this helps tablegen's duplicate pattern detection.
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let mayLoad = 1 in
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def m : FMA3<opc, MRMSrcMem, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, x86memop:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[(set RC:$dst, (VT (Op (MemFrag addr:$src3), RC:$src1,
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RC:$src2)))]>,
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Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>;
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}
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let Constraints = "$src1 = $dst", hasSideEffects = 0, isCommutable = 1,
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Uses = [MXCSR], mayRaiseFPException = 1 in
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multiclass fma3p_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231,
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string OpcodeStr, string PackTy, string Suff,
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PatFrag MemFrag128, PatFrag MemFrag256,
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SDNode Op, ValueType OpTy128, ValueType OpTy256,
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X86SchedWriteWidths sched> {
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defm NAME#213#Suff : fma3p_rm_213<opc213, !strconcat(OpcodeStr, "213", PackTy),
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VR128, OpTy128, f128mem, MemFrag128, Op, sched.XMM>;
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defm NAME#231#Suff : fma3p_rm_231<opc231, !strconcat(OpcodeStr, "231", PackTy),
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VR128, OpTy128, f128mem, MemFrag128, Op, sched.XMM>;
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defm NAME#132#Suff : fma3p_rm_132<opc132, !strconcat(OpcodeStr, "132", PackTy),
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VR128, OpTy128, f128mem, MemFrag128, Op, sched.XMM>;
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defm NAME#213#Suff#Y : fma3p_rm_213<opc213, !strconcat(OpcodeStr, "213", PackTy),
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VR256, OpTy256, f256mem, MemFrag256, Op, sched.YMM>,
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VEX_L;
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defm NAME#231#Suff#Y : fma3p_rm_231<opc231, !strconcat(OpcodeStr, "231", PackTy),
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VR256, OpTy256, f256mem, MemFrag256, Op, sched.YMM>,
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VEX_L;
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defm NAME#132#Suff#Y : fma3p_rm_132<opc132, !strconcat(OpcodeStr, "132", PackTy),
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VR256, OpTy256, f256mem, MemFrag256, Op, sched.YMM>,
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VEX_L;
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}
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// Fused Multiply-Add
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let ExeDomain = SSEPackedSingle in {
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defm VFMADD : fma3p_forms<0x98, 0xA8, 0xB8, "vfmadd", "ps", "PS",
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loadv4f32, loadv8f32, X86any_Fmadd, v4f32, v8f32,
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SchedWriteFMA>;
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defm VFMSUB : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "ps", "PS",
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loadv4f32, loadv8f32, X86any_Fmsub, v4f32, v8f32,
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SchedWriteFMA>;
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defm VFMADDSUB : fma3p_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "ps", "PS",
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loadv4f32, loadv8f32, X86Fmaddsub, v4f32, v8f32,
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SchedWriteFMA>;
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defm VFMSUBADD : fma3p_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "ps", "PS",
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loadv4f32, loadv8f32, X86Fmsubadd, v4f32, v8f32,
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SchedWriteFMA>;
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}
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let ExeDomain = SSEPackedDouble in {
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defm VFMADD : fma3p_forms<0x98, 0xA8, 0xB8, "vfmadd", "pd", "PD",
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loadv2f64, loadv4f64, X86any_Fmadd, v2f64,
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v4f64, SchedWriteFMA>, VEX_W;
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defm VFMSUB : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "pd", "PD",
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loadv2f64, loadv4f64, X86any_Fmsub, v2f64,
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v4f64, SchedWriteFMA>, VEX_W;
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defm VFMADDSUB : fma3p_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "pd", "PD",
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loadv2f64, loadv4f64, X86Fmaddsub,
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v2f64, v4f64, SchedWriteFMA>, VEX_W;
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defm VFMSUBADD : fma3p_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "pd", "PD",
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loadv2f64, loadv4f64, X86Fmsubadd,
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v2f64, v4f64, SchedWriteFMA>, VEX_W;
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}
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// Fused Negative Multiply-Add
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let ExeDomain = SSEPackedSingle in {
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defm VFNMADD : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "ps", "PS", loadv4f32,
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loadv8f32, X86any_Fnmadd, v4f32, v8f32, SchedWriteFMA>;
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defm VFNMSUB : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "ps", "PS", loadv4f32,
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loadv8f32, X86any_Fnmsub, v4f32, v8f32, SchedWriteFMA>;
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}
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let ExeDomain = SSEPackedDouble in {
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defm VFNMADD : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "pd", "PD", loadv2f64,
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loadv4f64, X86any_Fnmadd, v2f64, v4f64, SchedWriteFMA>, VEX_W;
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defm VFNMSUB : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "pd", "PD", loadv2f64,
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loadv4f64, X86any_Fnmsub, v2f64, v4f64, SchedWriteFMA>, VEX_W;
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}
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// All source register operands of FMA opcodes defined in fma3s_rm multiclass
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// can be commuted. In many cases such commute transformation requires an opcode
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// adjustment, for example, commuting the operands 1 and 2 in FMA*132 form
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// would require an opcode change to FMA*231:
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// FMA*132* reg1, reg2, reg3; // reg1 * reg3 + reg2;
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// -->
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// FMA*231* reg2, reg1, reg3; // reg1 * reg3 + reg2;
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// Please see more detailed comment at the very beginning of the section
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// defining FMA3 opcodes above.
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multiclass fma3s_rm_213<bits<8> opc, string OpcodeStr,
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X86MemOperand x86memop, RegisterClass RC,
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SDPatternOperator OpNode,
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X86FoldableSchedWrite sched> {
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def r : FMA3S<opc, MRMSrcReg, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, RC:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[(set RC:$dst, (OpNode RC:$src2, RC:$src1, RC:$src3))]>,
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Sched<[sched]>;
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let mayLoad = 1 in
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def m : FMA3S<opc, MRMSrcMem, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, x86memop:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[(set RC:$dst,
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(OpNode RC:$src2, RC:$src1, (load addr:$src3)))]>,
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Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>;
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}
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multiclass fma3s_rm_231<bits<8> opc, string OpcodeStr,
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X86MemOperand x86memop, RegisterClass RC,
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SDPatternOperator OpNode, X86FoldableSchedWrite sched> {
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let hasSideEffects = 0 in
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def r : FMA3S<opc, MRMSrcReg, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, RC:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[]>, Sched<[sched]>;
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let mayLoad = 1 in
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def m : FMA3S<opc, MRMSrcMem, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, x86memop:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[(set RC:$dst,
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(OpNode RC:$src2, (load addr:$src3), RC:$src1))]>,
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Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>;
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}
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multiclass fma3s_rm_132<bits<8> opc, string OpcodeStr,
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X86MemOperand x86memop, RegisterClass RC,
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SDPatternOperator OpNode, X86FoldableSchedWrite sched> {
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let hasSideEffects = 0 in
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def r : FMA3S<opc, MRMSrcReg, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, RC:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[]>, Sched<[sched]>;
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// Pattern is 312 order so that the load is in a different place from the
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// 213 and 231 patterns this helps tablegen's duplicate pattern detection.
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let mayLoad = 1 in
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def m : FMA3S<opc, MRMSrcMem, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, x86memop:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[(set RC:$dst,
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(OpNode (load addr:$src3), RC:$src1, RC:$src2))]>,
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Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>;
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}
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let Constraints = "$src1 = $dst", isCommutable = 1, isCodeGenOnly = 1,
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hasSideEffects = 0, Uses = [MXCSR], mayRaiseFPException = 1 in
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multiclass fma3s_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231,
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string OpStr, string PackTy, string Suff,
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SDNode OpNode, RegisterClass RC,
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X86MemOperand x86memop, X86FoldableSchedWrite sched> {
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defm NAME#213#Suff : fma3s_rm_213<opc213, !strconcat(OpStr, "213", PackTy),
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x86memop, RC, OpNode, sched>;
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defm NAME#231#Suff : fma3s_rm_231<opc231, !strconcat(OpStr, "231", PackTy),
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x86memop, RC, OpNode, sched>;
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defm NAME#132#Suff : fma3s_rm_132<opc132, !strconcat(OpStr, "132", PackTy),
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x86memop, RC, OpNode, sched>;
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}
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// These FMA*_Int instructions are defined specially for being used when
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// the scalar FMA intrinsics are lowered to machine instructions, and in that
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// sense, they are similar to existing ADD*_Int, SUB*_Int, MUL*_Int, etc.
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// instructions.
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//
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// All of the FMA*_Int opcodes are defined as commutable here.
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// Commuting the 2nd and 3rd source register operands of FMAs is quite trivial
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// and the corresponding optimizations have been developed.
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// Commuting the 1st operand of FMA*_Int requires some additional analysis,
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// the commute optimization is legal only if all users of FMA*_Int use only
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// the lowest element of the FMA*_Int instruction. Even though such analysis
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// may be not implemented yet we allow the routines doing the actual commute
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// transformation to decide if one or another instruction is commutable or not.
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let Constraints = "$src1 = $dst", isCommutable = 1, hasSideEffects = 0,
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Uses = [MXCSR], mayRaiseFPException = 1 in
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multiclass fma3s_rm_int<bits<8> opc, string OpcodeStr,
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Operand memopr, RegisterClass RC,
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X86FoldableSchedWrite sched> {
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def r_Int : FMA3S_Int<opc, MRMSrcReg, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, RC:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[]>, Sched<[sched]>;
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let mayLoad = 1 in
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def m_Int : FMA3S_Int<opc, MRMSrcMem, (outs RC:$dst),
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(ins RC:$src1, RC:$src2, memopr:$src3),
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!strconcat(OpcodeStr,
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"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
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[]>, Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>;
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}
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// The FMA 213 form is created for lowering of scalar FMA intrinsics
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// to machine instructions.
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// The FMA 132 form can trivially be get by commuting the 2nd and 3rd operands
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// of FMA 213 form.
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// The FMA 231 form can be get only by commuting the 1st operand of 213 or 132
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// forms and is possible only after special analysis of all uses of the initial
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// instruction. Such analysis do not exist yet and thus introducing the 231
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// form of FMA*_Int instructions is done using an optimistic assumption that
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// such analysis will be implemented eventually.
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multiclass fma3s_int_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231,
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string OpStr, string PackTy, string Suff,
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RegisterClass RC, Operand memop,
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X86FoldableSchedWrite sched> {
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defm NAME#132#Suff : fma3s_rm_int<opc132, !strconcat(OpStr, "132", PackTy),
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memop, RC, sched>;
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defm NAME#213#Suff : fma3s_rm_int<opc213, !strconcat(OpStr, "213", PackTy),
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memop, RC, sched>;
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defm NAME#231#Suff : fma3s_rm_int<opc231, !strconcat(OpStr, "231", PackTy),
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memop, RC, sched>;
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}
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multiclass fma3s<bits<8> opc132, bits<8> opc213, bits<8> opc231,
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string OpStr, SDNode OpNode, X86FoldableSchedWrite sched> {
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let ExeDomain = SSEPackedSingle in
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defm NAME : fma3s_forms<opc132, opc213, opc231, OpStr, "ss", "SS", OpNode,
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FR32, f32mem, sched>,
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fma3s_int_forms<opc132, opc213, opc231, OpStr, "ss", "SS",
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VR128, ssmem, sched>;
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let ExeDomain = SSEPackedDouble in
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defm NAME : fma3s_forms<opc132, opc213, opc231, OpStr, "sd", "SD", OpNode,
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FR64, f64mem, sched>,
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fma3s_int_forms<opc132, opc213, opc231, OpStr, "sd", "SD",
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VR128, sdmem, sched>, VEX_W;
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}
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defm VFMADD : fma3s<0x99, 0xA9, 0xB9, "vfmadd", X86any_Fmadd,
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SchedWriteFMA.Scl>, VEX_LIG;
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defm VFMSUB : fma3s<0x9B, 0xAB, 0xBB, "vfmsub", X86any_Fmsub,
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SchedWriteFMA.Scl>, VEX_LIG;
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defm VFNMADD : fma3s<0x9D, 0xAD, 0xBD, "vfnmadd", X86any_Fnmadd,
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SchedWriteFMA.Scl>, VEX_LIG;
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defm VFNMSUB : fma3s<0x9F, 0xAF, 0xBF, "vfnmsub", X86any_Fnmsub,
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SchedWriteFMA.Scl>, VEX_LIG;
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multiclass scalar_fma_patterns<SDNode Op, string Prefix, string Suffix,
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SDNode Move, ValueType VT, ValueType EltVT,
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RegisterClass RC, PatFrag mem_frag> {
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let Predicates = [HasFMA, NoAVX512] in {
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def : Pat<(VT (Move (VT VR128:$src1), (VT (scalar_to_vector
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(Op RC:$src2,
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(EltVT (extractelt (VT VR128:$src1), (iPTR 0))),
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RC:$src3))))),
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(!cast<Instruction>(Prefix#"213"#Suffix#"r_Int")
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VR128:$src1, (VT (COPY_TO_REGCLASS RC:$src2, VR128)),
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(VT (COPY_TO_REGCLASS RC:$src3, VR128)))>;
|
|
|
|
def : Pat<(VT (Move (VT VR128:$src1), (VT (scalar_to_vector
|
|
(Op RC:$src2, RC:$src3,
|
|
(EltVT (extractelt (VT VR128:$src1), (iPTR 0)))))))),
|
|
(!cast<Instruction>(Prefix#"231"#Suffix#"r_Int")
|
|
VR128:$src1, (VT (COPY_TO_REGCLASS RC:$src2, VR128)),
|
|
(VT (COPY_TO_REGCLASS RC:$src3, VR128)))>;
|
|
|
|
def : Pat<(VT (Move (VT VR128:$src1), (VT (scalar_to_vector
|
|
(Op RC:$src2,
|
|
(EltVT (extractelt (VT VR128:$src1), (iPTR 0))),
|
|
(mem_frag addr:$src3)))))),
|
|
(!cast<Instruction>(Prefix#"213"#Suffix#"m_Int")
|
|
VR128:$src1, (VT (COPY_TO_REGCLASS RC:$src2, VR128)),
|
|
addr:$src3)>;
|
|
|
|
def : Pat<(VT (Move (VT VR128:$src1), (VT (scalar_to_vector
|
|
(Op (EltVT (extractelt (VT VR128:$src1), (iPTR 0))),
|
|
(mem_frag addr:$src3), RC:$src2))))),
|
|
(!cast<Instruction>(Prefix#"132"#Suffix#"m_Int")
|
|
VR128:$src1, (VT (COPY_TO_REGCLASS RC:$src2, VR128)),
|
|
addr:$src3)>;
|
|
|
|
def : Pat<(VT (Move (VT VR128:$src1), (VT (scalar_to_vector
|
|
(Op RC:$src2, (mem_frag addr:$src3),
|
|
(EltVT (extractelt (VT VR128:$src1), (iPTR 0)))))))),
|
|
(!cast<Instruction>(Prefix#"231"#Suffix#"m_Int")
|
|
VR128:$src1, (VT (COPY_TO_REGCLASS RC:$src2, VR128)),
|
|
addr:$src3)>;
|
|
}
|
|
}
|
|
|
|
defm : scalar_fma_patterns<X86any_Fmadd, "VFMADD", "SS", X86Movss, v4f32, f32, FR32, loadf32>;
|
|
defm : scalar_fma_patterns<X86any_Fmsub, "VFMSUB", "SS", X86Movss, v4f32, f32, FR32, loadf32>;
|
|
defm : scalar_fma_patterns<X86any_Fnmadd, "VFNMADD", "SS", X86Movss, v4f32, f32, FR32, loadf32>;
|
|
defm : scalar_fma_patterns<X86any_Fnmsub, "VFNMSUB", "SS", X86Movss, v4f32, f32, FR32, loadf32>;
|
|
|
|
defm : scalar_fma_patterns<X86any_Fmadd, "VFMADD", "SD", X86Movsd, v2f64, f64, FR64, loadf64>;
|
|
defm : scalar_fma_patterns<X86any_Fmsub, "VFMSUB", "SD", X86Movsd, v2f64, f64, FR64, loadf64>;
|
|
defm : scalar_fma_patterns<X86any_Fnmadd, "VFNMADD", "SD", X86Movsd, v2f64, f64, FR64, loadf64>;
|
|
defm : scalar_fma_patterns<X86any_Fnmsub, "VFNMSUB", "SD", X86Movsd, v2f64, f64, FR64, loadf64>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// FMA4 - AMD 4 operand Fused Multiply-Add instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let Uses = [MXCSR], mayRaiseFPException = 1 in
|
|
multiclass fma4s<bits<8> opc, string OpcodeStr, RegisterClass RC,
|
|
X86MemOperand x86memop, ValueType OpVT, SDNode OpNode,
|
|
PatFrag mem_frag, X86FoldableSchedWrite sched> {
|
|
let isCommutable = 1 in
|
|
def rr : FMA4S<opc, MRMSrcRegOp4, (outs RC:$dst),
|
|
(ins RC:$src1, RC:$src2, RC:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[(set RC:$dst,
|
|
(OpVT (OpNode RC:$src1, RC:$src2, RC:$src3)))]>, VEX_W, VEX_LIG,
|
|
Sched<[sched]>;
|
|
def rm : FMA4S<opc, MRMSrcMemOp4, (outs RC:$dst),
|
|
(ins RC:$src1, RC:$src2, x86memop:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[(set RC:$dst, (OpNode RC:$src1, RC:$src2,
|
|
(mem_frag addr:$src3)))]>, VEX_W, VEX_LIG,
|
|
Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>;
|
|
def mr : FMA4S<opc, MRMSrcMem, (outs RC:$dst),
|
|
(ins RC:$src1, x86memop:$src2, RC:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[(set RC:$dst,
|
|
(OpNode RC:$src1, (mem_frag addr:$src2), RC:$src3))]>, VEX_LIG,
|
|
Sched<[sched.Folded, sched.ReadAfterFold,
|
|
// x86memop:$src2
|
|
ReadDefault, ReadDefault, ReadDefault, ReadDefault,
|
|
ReadDefault,
|
|
// RC:$src3
|
|
sched.ReadAfterFold]>;
|
|
// For disassembler
|
|
let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in
|
|
def rr_REV : FMA4S<opc, MRMSrcReg, (outs RC:$dst),
|
|
(ins RC:$src1, RC:$src2, RC:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>,
|
|
VEX_LIG, FoldGenData<NAME#rr>, Sched<[sched]>;
|
|
}
|
|
|
|
multiclass fma4s_int<bits<8> opc, string OpcodeStr, Operand memop,
|
|
ValueType VT, X86FoldableSchedWrite sched> {
|
|
let isCodeGenOnly = 1, hasSideEffects = 0,
|
|
Uses = [MXCSR], mayRaiseFPException = 1 in {
|
|
def rr_Int : FMA4S_Int<opc, MRMSrcRegOp4, (outs VR128:$dst),
|
|
(ins VR128:$src1, VR128:$src2, VR128:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[]>, VEX_W, VEX_LIG, Sched<[sched]>;
|
|
let mayLoad = 1 in
|
|
def rm_Int : FMA4S_Int<opc, MRMSrcMemOp4, (outs VR128:$dst),
|
|
(ins VR128:$src1, VR128:$src2, memop:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[]>, VEX_W, VEX_LIG,
|
|
Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>;
|
|
let mayLoad = 1 in
|
|
def mr_Int : FMA4S_Int<opc, MRMSrcMem, (outs VR128:$dst),
|
|
(ins VR128:$src1, memop:$src2, VR128:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[]>,
|
|
VEX_LIG, Sched<[sched.Folded, sched.ReadAfterFold,
|
|
// memop:$src2
|
|
ReadDefault, ReadDefault, ReadDefault,
|
|
ReadDefault, ReadDefault,
|
|
// VR128::$src3
|
|
sched.ReadAfterFold]>;
|
|
def rr_Int_REV : FMA4S_Int<opc, MRMSrcReg, (outs VR128:$dst),
|
|
(ins VR128:$src1, VR128:$src2, VR128:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[]>, VEX_LIG, FoldGenData<NAME#rr_Int>, Sched<[sched]>;
|
|
} // isCodeGenOnly = 1
|
|
}
|
|
|
|
let Uses = [MXCSR], mayRaiseFPException = 1 in
|
|
multiclass fma4p<bits<8> opc, string OpcodeStr, SDNode OpNode,
|
|
ValueType OpVT128, ValueType OpVT256,
|
|
PatFrag ld_frag128, PatFrag ld_frag256,
|
|
X86SchedWriteWidths sched> {
|
|
let isCommutable = 1 in
|
|
def rr : FMA4<opc, MRMSrcRegOp4, (outs VR128:$dst),
|
|
(ins VR128:$src1, VR128:$src2, VR128:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[(set VR128:$dst,
|
|
(OpVT128 (OpNode VR128:$src1, VR128:$src2, VR128:$src3)))]>,
|
|
VEX_W, Sched<[sched.XMM]>;
|
|
def rm : FMA4<opc, MRMSrcMemOp4, (outs VR128:$dst),
|
|
(ins VR128:$src1, VR128:$src2, f128mem:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[(set VR128:$dst, (OpNode VR128:$src1, VR128:$src2,
|
|
(ld_frag128 addr:$src3)))]>, VEX_W,
|
|
Sched<[sched.XMM.Folded, sched.XMM.ReadAfterFold, sched.XMM.ReadAfterFold]>;
|
|
def mr : FMA4<opc, MRMSrcMem, (outs VR128:$dst),
|
|
(ins VR128:$src1, f128mem:$src2, VR128:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[(set VR128:$dst,
|
|
(OpNode VR128:$src1, (ld_frag128 addr:$src2), VR128:$src3))]>,
|
|
Sched<[sched.XMM.Folded, sched.XMM.ReadAfterFold,
|
|
// f128mem:$src2
|
|
ReadDefault, ReadDefault, ReadDefault, ReadDefault,
|
|
ReadDefault,
|
|
// VR128::$src3
|
|
sched.XMM.ReadAfterFold]>;
|
|
let isCommutable = 1 in
|
|
def Yrr : FMA4<opc, MRMSrcRegOp4, (outs VR256:$dst),
|
|
(ins VR256:$src1, VR256:$src2, VR256:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[(set VR256:$dst,
|
|
(OpVT256 (OpNode VR256:$src1, VR256:$src2, VR256:$src3)))]>,
|
|
VEX_W, VEX_L, Sched<[sched.YMM]>;
|
|
def Yrm : FMA4<opc, MRMSrcMemOp4, (outs VR256:$dst),
|
|
(ins VR256:$src1, VR256:$src2, f256mem:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[(set VR256:$dst, (OpNode VR256:$src1, VR256:$src2,
|
|
(ld_frag256 addr:$src3)))]>, VEX_W, VEX_L,
|
|
Sched<[sched.YMM.Folded, sched.YMM.ReadAfterFold, sched.YMM.ReadAfterFold]>;
|
|
def Ymr : FMA4<opc, MRMSrcMem, (outs VR256:$dst),
|
|
(ins VR256:$src1, f256mem:$src2, VR256:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
|
|
[(set VR256:$dst, (OpNode VR256:$src1,
|
|
(ld_frag256 addr:$src2), VR256:$src3))]>, VEX_L,
|
|
Sched<[sched.YMM.Folded, sched.YMM.ReadAfterFold,
|
|
// f256mem:$src2
|
|
ReadDefault, ReadDefault, ReadDefault, ReadDefault,
|
|
ReadDefault,
|
|
// VR256::$src3
|
|
sched.YMM.ReadAfterFold]>;
|
|
// For disassembler
|
|
let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in {
|
|
def rr_REV : FMA4<opc, MRMSrcReg, (outs VR128:$dst),
|
|
(ins VR128:$src1, VR128:$src2, VR128:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>,
|
|
Sched<[sched.XMM]>, FoldGenData<NAME#rr>;
|
|
def Yrr_REV : FMA4<opc, MRMSrcReg, (outs VR256:$dst),
|
|
(ins VR256:$src1, VR256:$src2, VR256:$src3),
|
|
!strconcat(OpcodeStr,
|
|
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>,
|
|
VEX_L, Sched<[sched.YMM]>, FoldGenData<NAME#Yrr>;
|
|
} // isCodeGenOnly = 1
|
|
}
|
|
|
|
let ExeDomain = SSEPackedSingle in {
|
|
// Scalar Instructions
|
|
defm VFMADDSS4 : fma4s<0x6A, "vfmaddss", FR32, f32mem, f32, X86any_Fmadd, loadf32,
|
|
SchedWriteFMA.Scl>,
|
|
fma4s_int<0x6A, "vfmaddss", ssmem, v4f32,
|
|
SchedWriteFMA.Scl>;
|
|
defm VFMSUBSS4 : fma4s<0x6E, "vfmsubss", FR32, f32mem, f32, X86any_Fmsub, loadf32,
|
|
SchedWriteFMA.Scl>,
|
|
fma4s_int<0x6E, "vfmsubss", ssmem, v4f32,
|
|
SchedWriteFMA.Scl>;
|
|
defm VFNMADDSS4 : fma4s<0x7A, "vfnmaddss", FR32, f32mem, f32,
|
|
X86any_Fnmadd, loadf32, SchedWriteFMA.Scl>,
|
|
fma4s_int<0x7A, "vfnmaddss", ssmem, v4f32,
|
|
SchedWriteFMA.Scl>;
|
|
defm VFNMSUBSS4 : fma4s<0x7E, "vfnmsubss", FR32, f32mem, f32,
|
|
X86any_Fnmsub, loadf32, SchedWriteFMA.Scl>,
|
|
fma4s_int<0x7E, "vfnmsubss", ssmem, v4f32,
|
|
SchedWriteFMA.Scl>;
|
|
// Packed Instructions
|
|
defm VFMADDPS4 : fma4p<0x68, "vfmaddps", X86any_Fmadd, v4f32, v8f32,
|
|
loadv4f32, loadv8f32, SchedWriteFMA>;
|
|
defm VFMSUBPS4 : fma4p<0x6C, "vfmsubps", X86any_Fmsub, v4f32, v8f32,
|
|
loadv4f32, loadv8f32, SchedWriteFMA>;
|
|
defm VFNMADDPS4 : fma4p<0x78, "vfnmaddps", X86any_Fnmadd, v4f32, v8f32,
|
|
loadv4f32, loadv8f32, SchedWriteFMA>;
|
|
defm VFNMSUBPS4 : fma4p<0x7C, "vfnmsubps", X86any_Fnmsub, v4f32, v8f32,
|
|
loadv4f32, loadv8f32, SchedWriteFMA>;
|
|
defm VFMADDSUBPS4 : fma4p<0x5C, "vfmaddsubps", X86Fmaddsub, v4f32, v8f32,
|
|
loadv4f32, loadv8f32, SchedWriteFMA>;
|
|
defm VFMSUBADDPS4 : fma4p<0x5E, "vfmsubaddps", X86Fmsubadd, v4f32, v8f32,
|
|
loadv4f32, loadv8f32, SchedWriteFMA>;
|
|
}
|
|
|
|
let ExeDomain = SSEPackedDouble in {
|
|
// Scalar Instructions
|
|
defm VFMADDSD4 : fma4s<0x6B, "vfmaddsd", FR64, f64mem, f64, X86any_Fmadd, loadf64,
|
|
SchedWriteFMA.Scl>,
|
|
fma4s_int<0x6B, "vfmaddsd", sdmem, v2f64,
|
|
SchedWriteFMA.Scl>;
|
|
defm VFMSUBSD4 : fma4s<0x6F, "vfmsubsd", FR64, f64mem, f64, X86any_Fmsub, loadf64,
|
|
SchedWriteFMA.Scl>,
|
|
fma4s_int<0x6F, "vfmsubsd", sdmem, v2f64,
|
|
SchedWriteFMA.Scl>;
|
|
defm VFNMADDSD4 : fma4s<0x7B, "vfnmaddsd", FR64, f64mem, f64,
|
|
X86any_Fnmadd, loadf64, SchedWriteFMA.Scl>,
|
|
fma4s_int<0x7B, "vfnmaddsd", sdmem, v2f64,
|
|
SchedWriteFMA.Scl>;
|
|
defm VFNMSUBSD4 : fma4s<0x7F, "vfnmsubsd", FR64, f64mem, f64,
|
|
X86any_Fnmsub, loadf64, SchedWriteFMA.Scl>,
|
|
fma4s_int<0x7F, "vfnmsubsd", sdmem, v2f64,
|
|
SchedWriteFMA.Scl>;
|
|
// Packed Instructions
|
|
defm VFMADDPD4 : fma4p<0x69, "vfmaddpd", X86any_Fmadd, v2f64, v4f64,
|
|
loadv2f64, loadv4f64, SchedWriteFMA>;
|
|
defm VFMSUBPD4 : fma4p<0x6D, "vfmsubpd", X86any_Fmsub, v2f64, v4f64,
|
|
loadv2f64, loadv4f64, SchedWriteFMA>;
|
|
defm VFNMADDPD4 : fma4p<0x79, "vfnmaddpd", X86any_Fnmadd, v2f64, v4f64,
|
|
loadv2f64, loadv4f64, SchedWriteFMA>;
|
|
defm VFNMSUBPD4 : fma4p<0x7D, "vfnmsubpd", X86any_Fnmsub, v2f64, v4f64,
|
|
loadv2f64, loadv4f64, SchedWriteFMA>;
|
|
defm VFMADDSUBPD4 : fma4p<0x5D, "vfmaddsubpd", X86Fmaddsub, v2f64, v4f64,
|
|
loadv2f64, loadv4f64, SchedWriteFMA>;
|
|
defm VFMSUBADDPD4 : fma4p<0x5F, "vfmsubaddpd", X86Fmsubadd, v2f64, v4f64,
|
|
loadv2f64, loadv4f64, SchedWriteFMA>;
|
|
}
|
|
|
|
multiclass scalar_fma4_patterns<SDNode Op, string Name,
|
|
ValueType VT, ValueType EltVT,
|
|
RegisterClass RC, PatFrag mem_frag> {
|
|
let Predicates = [HasFMA4] in {
|
|
def : Pat<(VT (X86vzmovl (VT (scalar_to_vector
|
|
(Op RC:$src1, RC:$src2, RC:$src3))))),
|
|
(!cast<Instruction>(Name#"rr_Int")
|
|
(VT (COPY_TO_REGCLASS RC:$src1, VR128)),
|
|
(VT (COPY_TO_REGCLASS RC:$src2, VR128)),
|
|
(VT (COPY_TO_REGCLASS RC:$src3, VR128)))>;
|
|
|
|
def : Pat<(VT (X86vzmovl (VT (scalar_to_vector
|
|
(Op RC:$src1, RC:$src2,
|
|
(mem_frag addr:$src3)))))),
|
|
(!cast<Instruction>(Name#"rm_Int")
|
|
(VT (COPY_TO_REGCLASS RC:$src1, VR128)),
|
|
(VT (COPY_TO_REGCLASS RC:$src2, VR128)), addr:$src3)>;
|
|
|
|
def : Pat<(VT (X86vzmovl (VT (scalar_to_vector
|
|
(Op RC:$src1, (mem_frag addr:$src2),
|
|
RC:$src3))))),
|
|
(!cast<Instruction>(Name#"mr_Int")
|
|
(VT (COPY_TO_REGCLASS RC:$src1, VR128)), addr:$src2,
|
|
(VT (COPY_TO_REGCLASS RC:$src3, VR128)))>;
|
|
}
|
|
}
|
|
|
|
defm : scalar_fma4_patterns<X86any_Fmadd, "VFMADDSS4", v4f32, f32, FR32, loadf32>;
|
|
defm : scalar_fma4_patterns<X86any_Fmsub, "VFMSUBSS4", v4f32, f32, FR32, loadf32>;
|
|
defm : scalar_fma4_patterns<X86any_Fnmadd, "VFNMADDSS4", v4f32, f32, FR32, loadf32>;
|
|
defm : scalar_fma4_patterns<X86any_Fnmsub, "VFNMSUBSS4", v4f32, f32, FR32, loadf32>;
|
|
|
|
defm : scalar_fma4_patterns<X86any_Fmadd, "VFMADDSD4", v2f64, f64, FR64, loadf64>;
|
|
defm : scalar_fma4_patterns<X86any_Fmsub, "VFMSUBSD4", v2f64, f64, FR64, loadf64>;
|
|
defm : scalar_fma4_patterns<X86any_Fnmadd, "VFNMADDSD4", v2f64, f64, FR64, loadf64>;
|
|
defm : scalar_fma4_patterns<X86any_Fnmsub, "VFNMSUBSD4", v2f64, f64, FR64, loadf64>;
|