diff --git a/dlls/wined3d/shader.c b/dlls/wined3d/shader.c
index 55de67974b4..f88ccb5b6d7 100644
--- a/dlls/wined3d/shader.c
+++ b/dlls/wined3d/shader.c
@@ -1730,6 +1730,10 @@ static void shader_dump_register(struct wined3d_string_buffer *buffer,
             shader_addline(buffer, "vDomainLocation");
             break;
 
+        case WINED3DSPR_GROUPSHAREDMEM:
+            shader_addline(buffer, "g");
+            break;
+
         default:
             shader_addline(buffer, "<unhandled_rtype(%#x)>", reg->type);
             break;
diff --git a/dlls/wined3d/shader_sm4.c b/dlls/wined3d/shader_sm4.c
index 45a3d04f7f7..4603d9a3eaf 100644
--- a/dlls/wined3d/shader_sm4.c
+++ b/dlls/wined3d/shader_sm4.c
@@ -242,6 +242,7 @@ enum wined3d_sm4_register_type
     WINED3D_SM5_RT_PATCH_CONSTANT_DATA     = 0x1b,
     WINED3D_SM5_RT_DOMAIN_LOCATION         = 0x1c,
     WINED3D_SM5_RT_UAV                     = 0x1e,
+    WINED3D_SM5_RT_SHARED_MEMORY           = 0x1f,
 };
 
 enum wined3d_sm4_output_primitive_type
@@ -800,6 +801,7 @@ static const enum wined3d_shader_register_type register_type_table[] =
     /* WINED3D_SM5_RT_DOMAIN_LOCATION */         WINED3DSPR_TESSCOORD,
     /* UNKNOWN */                                ~0u,
     /* WINED3D_SM5_RT_UAV */                     WINED3DSPR_UAV,
+    /* WINED3D_SM5_RT_SHARED_MEMORY */           WINED3DSPR_GROUPSHAREDMEM,
 };
 
 static const struct wined3d_sm4_opcode_info *get_opcode_info(enum wined3d_sm4_opcode opcode)
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index ffcfb817bc4..7ad7bac1bdc 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -386,6 +386,7 @@ enum wined3d_shader_register_type
     WINED3DSPR_INCONTROLPOINT,
     WINED3DSPR_PATCHCONST,
     WINED3DSPR_TESSCOORD,
+    WINED3DSPR_GROUPSHAREDMEM,
 };
 
 enum wined3d_data_type