--- trunk/gcc/config/i386/i386.c 2016/01/07 18:37:48 232139 +++ trunk/gcc/config/i386/i386.c 2016/01/07 19:06:37 232140 @@ -10903,6 +10903,10 @@ if (TARGET_64BIT_MS_ABI && get_frame_size () > SEH_MAX_FRAME_SIZE) return true; + /* SSE saves require frame-pointer when stack is misaligned. */ + if (TARGET_64BIT_MS_ABI && ix86_incoming_stack_boundary < 128) + return true; + /* In ix86_option_override_internal, TARGET_OMIT_LEAF_FRAME_POINTER turns off the frame pointer b