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-rw-r--r--llvm/lib/Target/X86/X86InstrAVX512.td39
1 files changed, 36 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86InstrAVX512.td b/llvm/lib/Target/X86/X86InstrAVX512.td
index 0b50b82b154..0b8994cdc69 100644
--- a/llvm/lib/Target/X86/X86InstrAVX512.td
+++ b/llvm/lib/Target/X86/X86InstrAVX512.td
@@ -3770,7 +3770,7 @@ multiclass avx512_fp_scalar<bits<8> opc, string OpcodeStr,X86VectorVTInfo _,
(ins _.FRC:$src1, _.ScalarMemOp:$src2),
OpcodeStr#"\t{$src2, $src1, $dst|$dst, $src1, $src2}",
[(set _.FRC:$dst, (OpNode _.FRC:$src1,
- (_.ScalarLdFrag addr:$src2)))], itins.rr>;
+ (_.ScalarLdFrag addr:$src2)))], itins.rm>;
}
}
@@ -3827,8 +3827,41 @@ defm VADD : avx512_binop_s_round<0x58, "vadd", fadd, X86faddRnd, SSE_ALU_ITINS_S
defm VMUL : avx512_binop_s_round<0x59, "vmul", fmul, X86fmulRnd, SSE_ALU_ITINS_S, 1>;
defm VSUB : avx512_binop_s_round<0x5C, "vsub", fsub, X86fsubRnd, SSE_ALU_ITINS_S, 0>;
defm VDIV : avx512_binop_s_round<0x5E, "vdiv", fdiv, X86fdivRnd, SSE_ALU_ITINS_S, 0>;
-defm VMIN : avx512_binop_s_sae <0x5D, "vmin", X86fmin, X86fminRnd, SSE_ALU_ITINS_S, 1>;
-defm VMAX : avx512_binop_s_sae <0x5F, "vmax", X86fmax, X86fmaxRnd, SSE_ALU_ITINS_S, 1>;
+defm VMIN : avx512_binop_s_sae <0x5D, "vmin", X86fmin, X86fminRnd, SSE_ALU_ITINS_S, 0>;
+defm VMAX : avx512_binop_s_sae <0x5F, "vmax", X86fmax, X86fmaxRnd, SSE_ALU_ITINS_S, 0>;
+
+// MIN/MAX nodes are commutable under "unsafe-fp-math". In this case we use
+// X86fminc and X86fmaxc instead of X86fmin and X86fmax
+multiclass avx512_comutable_binop_s<bits<8> opc, string OpcodeStr,
+ X86VectorVTInfo _, SDNode OpNode, OpndItins itins> {
+ let isCodeGenOnly = 1, isCommutable =1, Predicates = [HasAVX512] in {
+ def rr : I< opc, MRMSrcReg, (outs _.FRC:$dst),
+ (ins _.FRC:$src1, _.FRC:$src2),
+ OpcodeStr#"\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ [(set _.FRC:$dst, (OpNode _.FRC:$src1, _.FRC:$src2))],
+ itins.rr>;
+ def rm : I< opc, MRMSrcMem, (outs _.FRC:$dst),
+ (ins _.FRC:$src1, _.ScalarMemOp:$src2),
+ OpcodeStr#"\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ [(set _.FRC:$dst, (OpNode _.FRC:$src1,
+ (_.ScalarLdFrag addr:$src2)))], itins.rm>;
+ }
+}
+defm VMINCSSZ : avx512_comutable_binop_s<0x5D, "vminss", f32x_info, X86fminc,
+ SSE_ALU_ITINS_S.s>, XS, EVEX_4V, VEX_LIG,
+ EVEX_CD8<32, CD8VT1>;
+
+defm VMINCSDZ : avx512_comutable_binop_s<0x5D, "vminsd", f64x_info, X86fminc,
+ SSE_ALU_ITINS_S.d>, XD, VEX_W, EVEX_4V, VEX_LIG,
+ EVEX_CD8<64, CD8VT1>;
+
+defm VMAXCSSZ : avx512_comutable_binop_s<0x5F, "vmaxss", f32x_info, X86fmaxc,
+ SSE_ALU_ITINS_S.s>, XS, EVEX_4V, VEX_LIG,
+ EVEX_CD8<32, CD8VT1>;
+
+defm VMAXCSDZ : avx512_comutable_binop_s<0x5F, "vmaxsd", f64x_info, X86fmaxc,
+ SSE_ALU_ITINS_S.d>, XD, VEX_W, EVEX_4V, VEX_LIG,
+ EVEX_CD8<64, CD8VT1>;
multiclass avx512_fp_packed<bits<8> opc, string OpcodeStr, SDNode OpNode,
X86VectorVTInfo _, bit IsCommutable> {
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