Change stack boundary to 64

Author: claziss

gcc/config/arc64/arc64.c

@@ -115,8 +115,7 @@ typedef struct GTY (()) machine_function
 /* N.B. Vectors have alignment exceeding BIGGEST_ALIGNMENT.
    ARC_FUNCTION_ARG_BOUNDARY reduces this to no more than 32 bit.  */
 #define ROUND_ADVANCE_CUM(CUM, MODE, TYPE)				\
-  ((((CUM) - 1) | (32 - 1)/BITS_PER_WORD)				\
-   + 1)
+  ((((CUM) - 1) | (PARM_BOUNDARY - 1)/BITS_PER_WORD) + 1)
 
 /* ARC64 stack frame generated by this compiler looks like:
 
@@ -233,7 +232,8 @@ arc64_compute_frame_info (void)
   frame->saved_outargs_size = crtl->outgoing_args_size;
 
   /* 2. Size of locals and temporaries.  */
-  frame->saved_locals_size = ARC_STACK_ALIGN (get_frame_size ());
+  frame->saved_locals_size = ROUND_UP (get_frame_size (),
+				       STACK_BOUNDARY / BITS_PER_UNIT);
 
   /* 3. Size of the saved registers (including FP/BLINK).
      FIXME! FPR registers.  */

gcc/config/arc64/arc64.h

@@ -49,7 +49,7 @@
 
 /* Boundaries.  */
 #define PARM_BOUNDARY		64
-#define STACK_BOUNDARY		128
+#define STACK_BOUNDARY		64
 #define FUNCTION_BOUNDARY	32
 #define EMPTY_FIELD_BOUNDARY	32
 #define STRUCTURE_SIZE_BOUNDARY 8