[patch] adds framepointer when saving SSE registers at function call or something

gcc-sp-align-with-sse.patch (text/plain), 498 bytes, created by brankob on 2016-03-04 02:34:09 UTC

--- 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