* pa.h (STACK_BOUNDARY): Bring back down to 64bits.

From-SVN: r10973

diff --git a/gcc/config/pa/pa.h b/gcc/config/pa/pa.h
index 7805cc35c0472f2c8bc83c4a3c56665e7da3da9d..3fd3be98a95600fd39c5dd33dca1a680f7e7ed99 100644 (file)
--- a/gcc/config/pa/pa.h
+++ b/gcc/config/pa/pa.h
@@ -313,8 +313,12 @@ do {                                                               \
    Don't define this if it is equal to PARM_BOUNDARY */
 #define MAX_PARM_BOUNDARY 64
 
-/* Boundary (in *bits*) on which stack pointer should be aligned.  */
-#define STACK_BOUNDARY 512
+/* Boundary (in *bits*) on which stack pointer is always aligned;
+   certain optimizations in combine depend on this.
+
+   GCC for the PA always rounds its stacks to a 512bit boundary,
+   but that happens late in the compilation process.  */
+#define STACK_BOUNDARY 64
 
 /* Allocation boundary (in *bits*) for the code of a function.  */
 #define FUNCTION_BOUNDARY 32