diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c
index 0deeaf16f8fa039d020f6e9c3d70ed976df74e11..cd96bd13106e927c2714d5f64c199647a3c62466 100644
--- a/gcc/config/rs6000/rs6000-c.c
+++ b/gcc/config/rs6000/rs6000-c.c
@@ -3411,6 +3411,8 @@ const struct altivec_builtin_types altivec_overloaded_builtins[] = {
 
   { VSX_BUILTIN_VEC_LD, VSX_BUILTIN_LXVD2X_V2DF,
     RS6000_BTI_V2DF, RS6000_BTI_INTSI, ~RS6000_BTI_V2DF, 0 },
+  { VSX_BUILTIN_VEC_LD, VSX_BUILTIN_LXVD2X_V2DF,
+    RS6000_BTI_V2DF, RS6000_BTI_INTSI, ~RS6000_BTI_double, 0 },
   { VSX_BUILTIN_VEC_LD, VSX_BUILTIN_LXVD2X_V2DI,
     RS6000_BTI_V2DI, RS6000_BTI_INTSI, ~RS6000_BTI_V2DI, 0 },
   { VSX_BUILTIN_VEC_LD, VSX_BUILTIN_LXVD2X_V2DI,
@@ -3465,6 +3467,8 @@ const struct altivec_builtin_types altivec_overloaded_builtins[] = {
 
   { VSX_BUILTIN_VEC_ST, VSX_BUILTIN_STXVD2X_V2DF,
     RS6000_BTI_void, RS6000_BTI_V2DF, RS6000_BTI_INTSI, ~RS6000_BTI_V2DF },
+  { VSX_BUILTIN_VEC_ST, VSX_BUILTIN_STXVD2X_V2DF,
+    RS6000_BTI_void, RS6000_BTI_V2DF, RS6000_BTI_INTSI, ~RS6000_BTI_double },
   { VSX_BUILTIN_VEC_ST, VSX_BUILTIN_STXVD2X_V2DI,
     RS6000_BTI_void, RS6000_BTI_V2DI, RS6000_BTI_INTSI, ~RS6000_BTI_V2DI },
   { VSX_BUILTIN_VEC_ST, VSX_BUILTIN_STXVD2X_V2DI,