diff --git a/src/arch/gcn3/insts/instructions.hh b/src/arch/gcn3/insts/instructions.hh
index 471c130688..207da293cb 100644
--- a/src/arch/gcn3/insts/instructions.hh
+++ b/src/arch/gcn3/insts/instructions.hh
@@ -79137,7 +79137,7 @@ namespace Gcn3ISA
               case 0: //vgpr_addr
                 return 8;
               case 1: //vgpr_dst
-                return 32;
+                return 1;
               default:
                 fatal("op idx %i out of bounds\n", opIdx);
                 return -1;
@@ -79261,7 +79261,7 @@ namespace Gcn3ISA
               case 0: //vgpr_addr
                 return 8;
               case 1: //vgpr_dst
-                return 32;
+                return 2;
               default:
                 fatal("op idx %i out of bounds\n", opIdx);
                 return -1;
@@ -80147,9 +80147,9 @@ namespace Gcn3ISA
               case 0: //vgpr_addr
                 return 8;
               case 1: //vgpr_src
-                return 32;
+                return 4;
               case 2: //vgpr_dst
-                return 32;
+                return 4;
               default:
                 fatal("op idx %i out of bounds\n", opIdx);
                 return -1;
@@ -80215,9 +80215,9 @@ namespace Gcn3ISA
               case 0: //vgpr_addr
                 return 8;
               case 1: //vgpr_src
-                return 32;
+                return 4;
               case 2: //vgpr_dst
-                return 32;
+                return 4;
               default:
                 fatal("op idx %i out of bounds\n", opIdx);
                 return -1;
@@ -80281,9 +80281,9 @@ namespace Gcn3ISA
               case 0: //vgpr_addr
                 return 8;
               case 1: //vgpr_src
-                return 32;
+                return 4;
               case 2: //vgpr_dst
-                return 32;
+                return 4;
               default:
                 fatal("op idx %i out of bounds\n", opIdx);
                 return -1;
@@ -80347,9 +80347,9 @@ namespace Gcn3ISA
               case 0: //vgpr_addr
                 return 8;
               case 1: //vgpr_src
-                return 32;
+                return 4;
               case 2: //vgpr_dst
-                return 32;
+                return 4;
               default:
                 fatal("op idx %i out of bounds\n", opIdx);
                 return -1;
@@ -80413,9 +80413,9 @@ namespace Gcn3ISA
               case 0: //vgpr_addr
                 return 8;
               case 1: //vgpr_src
-                return 32;
+                return 4;
               case 2: //vgpr_dst
-                return 32;
+                return 4;
               default:
                 fatal("op idx %i out of bounds\n", opIdx);
                 return -1;
@@ -80479,9 +80479,9 @@ namespace Gcn3ISA
               case 0: //vgpr_addr
                 return 8;
               case 1: //vgpr_src
-                return 32;
+                return 4;
               case 2: //vgpr_dst
-                return 32;
+                return 4;
               default:
                 fatal("op idx %i out of bounds\n", opIdx);
                 return -1;
@@ -80545,9 +80545,9 @@ namespace Gcn3ISA
               case 0: //vgpr_addr
                 return 8;
               case 1: //vgpr_src
-                return 32;
+                return 4;
               case 2: //vgpr_dst
-                return 32;
+                return 4;
               default:
                 fatal("op idx %i out of bounds\n", opIdx);
                 return -1;
@@ -80611,9 +80611,9 @@ namespace Gcn3ISA
               case 0: //vgpr_addr
                 return 8;
               case 1: //vgpr_src
-                return 32;
+                return 4;
               case 2: //vgpr_dst
-                return 32;
+                return 4;
               default:
                 fatal("op idx %i out of bounds\n", opIdx);
                 return -1;
@@ -80677,9 +80677,9 @@ namespace Gcn3ISA
               case 0: //vgpr_addr
                 return 8;
               case 1: //vgpr_src
-                return 32;
+                return 4;
               case 2: //vgpr_dst
-                return 32;
+                return 4;
               default:
                 fatal("op idx %i out of bounds\n", opIdx);
                 return -1;
@@ -80745,9 +80745,9 @@ namespace Gcn3ISA
               case 0: //vgpr_addr
                 return 8;
               case 1: //vgpr_src
-                return 32;
+                return 4;
               case 2: //vgpr_dst
-                return 32;
+                return 4;
               default:
                 fatal("op idx %i out of bounds\n", opIdx);
                 return -1;