[AVX-512] Add isCommutable to scalar FMA3 instructions.

llvm-svn: 278596

diff --git a/llvm/lib/Target/X86/X86InstrAVX512.td b/llvm/lib/Target/X86/X86InstrAVX512.td
index dc83c1b..06a8acf 100644 (file)
--- a/llvm/lib/Target/X86/X86InstrAVX512.td
+++ b/llvm/lib/Target/X86/X86InstrAVX512.td
@@ -5060,7 +5060,7 @@ multiclass avx512_fma3_132_round<bits<8> opc, string OpcodeStr, SDNode OpNode,
   defm rb: AVX512_maskable_3src<opc, MRMSrcReg, _, (outs _.RC:$dst),
           (ins _.RC:$src2, _.RC:$src3, AVX512RC:$rc),
           OpcodeStr, "$rc, $src3, $src2", "$src2, $src3, $rc",
-          (_.VT ( OpNode _.RC:$src1, _.RC:$src3, _.RC:$src2, (i32 imm:$rc)))>,
+          (_.VT ( OpNode _.RC:$src1, _.RC:$src3, _.RC:$src2, (i32 imm:$rc))), 1, 1>,
           AVX512FMA3Base, EVEX_B, EVEX_RC;
 }
 
@@ -5102,18 +5102,18 @@ multiclass avx512_fma3s_common<bits<8> opc, string OpcodeStr, X86VectorVTInfo _,
                                                         dag RHS_r, dag RHS_m > {
   defm r_Int: AVX512_maskable_3src_scalar<opc, MRMSrcReg, _, (outs _.RC:$dst),
           (ins _.RC:$src2, _.RC:$src3), OpcodeStr,
-          "$src3, $src2", "$src2, $src3", RHS_VEC_r>, AVX512FMA3Base;
+          "$src3, $src2", "$src2, $src3", RHS_VEC_r, 1, 1>, AVX512FMA3Base;
 
   defm m_Int: AVX512_maskable_3src_scalar<opc, MRMSrcMem, _, (outs _.RC:$dst),
           (ins _.RC:$src2, _.ScalarMemOp:$src3), OpcodeStr,
-          "$src3, $src2", "$src2, $src3", RHS_VEC_m>, AVX512FMA3Base;
+          "$src3, $src2", "$src2, $src3", RHS_VEC_m, 1, 1>, AVX512FMA3Base;
 
   defm rb_Int: AVX512_maskable_3src_scalar<opc, MRMSrcReg, _, (outs _.RC:$dst),
          (ins _.RC:$src2, _.RC:$src3, AVX512RC:$rc),
-         OpcodeStr, "$rc, $src3, $src2", "$src2, $src3, $rc", RHS_VEC_rb>,
+         OpcodeStr, "$rc, $src3, $src2", "$src2, $src3, $rc", RHS_VEC_rb, 1, 1>,
                                        AVX512FMA3Base, EVEX_B, EVEX_RC;
 
-  let isCodeGenOnly = 1 in {
+  let isCodeGenOnly = 1, isCommutable = 1 in {
     def r     : AVX512FMA3<opc, MRMSrcReg, (outs _.FRC:$dst),
                      (ins _.FRC:$src1, _.FRC:$src2, _.FRC:$src3),
                      !strconcat(OpcodeStr,