[AMDGPU][MC] Corrected default values for unused SDWA operands

See bug 36355:  https://bugs.llvm.org/show_bug.cgi?id=36355

Differential Revision: https://reviews.llvm.org/D44481

Reviewers: artem.tamazov, arsenm
llvm-svn: 327720

2 files changed, 10 insertions, 10 deletions

diff --git a/llvm/lib/Target/AMDGPU/VOPCInstructions.td b/llvm/lib/Target/AMDGPU/VOPCInstructions.td
index f8879d6bd8f..cc6b8116afe 100644
--- a/llvm/lib/Target/AMDGPU/VOPCInstructions.td
+++ b/llvm/lib/Target/AMDGPU/VOPCInstructions.td
@@ -30,8 +30,8 @@ class VOPC_SDWAe <bits<8> op, VOPProfile P> : VOP_SDWAe <P> {
   let Inst{31-25} = 0x3e; // encoding
 
   // VOPC disallows dst_sel and dst_unused as they have no effect on destination
-  let Inst{42-40} = SDWA.DWORD;
-  let Inst{44-43} = SDWA.UNUSED_PRESERVE;
+  let Inst{42-40} = 0;
+  let Inst{44-43} = 0;
 }
 
 class VOPC_SDWA9e <bits<8> op, VOPProfile P> : VOP_SDWA9Be <P> {
diff --git a/llvm/lib/Target/AMDGPU/VOPInstructions.td b/llvm/lib/Target/AMDGPU/VOPInstructions.td
index 520d5dd0f50..21cad2a59e7 100644
--- a/llvm/lib/Target/AMDGPU/VOPInstructions.td
+++ b/llvm/lib/Target/AMDGPU/VOPInstructions.td
@@ -325,13 +325,13 @@ class VOP_SDWAe<VOPProfile P> : Enc64 {
   bits<1> clamp;
 
   let Inst{39-32} = !if(P.HasSrc0, src0{7-0}, 0);
-  let Inst{42-40} = !if(P.EmitDst, dst_sel{2-0}, SDWA.DWORD);
-  let Inst{44-43} = !if(P.EmitDst, dst_unused{1-0}, SDWA.UNUSED_PRESERVE);
+  let Inst{42-40} = !if(P.EmitDst, dst_sel{2-0}, 0);
+  let Inst{44-43} = !if(P.EmitDst, dst_unused{1-0}, 0);
   let Inst{45}    = !if(P.HasSDWAClamp, clamp{0}, 0);
-  let Inst{50-48} = !if(P.HasSrc0, src0_sel{2-0}, SDWA.DWORD);
+  let Inst{50-48} = !if(P.HasSrc0, src0_sel{2-0}, 0);
   let Inst{51}    = !if(P.HasSrc0IntMods, src0_modifiers{0}, 0);
   let Inst{53-52} = !if(P.HasSrc0FloatMods, src0_modifiers{1-0}, 0);
-  let Inst{58-56} = !if(P.HasSrc1, src1_sel{2-0}, SDWA.DWORD);
+  let Inst{58-56} = !if(P.HasSrc1, src1_sel{2-0}, 0);
   let Inst{59}    = !if(P.HasSrc1IntMods, src1_modifiers{0}, 0);
   let Inst{61-60} = !if(P.HasSrc1FloatMods, src1_modifiers{1-0}, 0);
 }
@@ -359,11 +359,11 @@ class VOP_SDWA9e<VOPProfile P> : Enc64 {
   bits<1> src1_sgpr;
 
   let Inst{39-32} = !if(P.HasSrc0, src0{7-0}, 0);
-  let Inst{50-48} = !if(P.HasSrc0, src0_sel{2-0}, SDWA.DWORD);
+  let Inst{50-48} = !if(P.HasSrc0, src0_sel{2-0}, 0);
   let Inst{51}    = !if(P.HasSrc0IntMods, src0_modifiers{0}, 0);
   let Inst{53-52} = !if(P.HasSrc0FloatMods, src0_modifiers{1-0}, 0);
   let Inst{55}    = !if(P.HasSrc0, src0{8}, 0);
-  let Inst{58-56} = !if(P.HasSrc1, src1_sel{2-0}, SDWA.DWORD);
+  let Inst{58-56} = !if(P.HasSrc1, src1_sel{2-0}, 0);
   let Inst{59}    = !if(P.HasSrc1IntMods, src1_modifiers{0}, 0);
   let Inst{61-60} = !if(P.HasSrc1FloatMods, src1_modifiers{1-0}, 0);
   let Inst{63}    = 0; // src1_sgpr - should be specified in subclass
@@ -376,8 +376,8 @@ class VOP_SDWA9Ae<VOPProfile P> : VOP_SDWA9e<P> {
   bits<1> clamp;
   bits<2> omod;
 
-  let Inst{42-40} = !if(P.EmitDst, dst_sel{2-0}, SDWA.DWORD);
-  let Inst{44-43} = !if(P.EmitDst, dst_unused{1-0}, SDWA.UNUSED_PRESERVE);
+  let Inst{42-40} = !if(P.EmitDst, dst_sel{2-0}, 0);
+  let Inst{44-43} = !if(P.EmitDst, dst_unused{1-0}, 0);
   let Inst{45}    = !if(P.HasSDWAClamp, clamp{0}, 0);
   let Inst{47-46} = !if(P.HasSDWAOMod, omod{1-0}, 0);
 }