mips.h (PARM_BOUNDARY): Guarantee alignment of arguments to 64-bit boundaries on 64-bit ABIs.

* config/mips/mips.h (PARM_BOUNDARY): Guarantee alignment of
arguments to 64-bit boundaries on 64-bit ABIs.

From-SVN: r49356

gcc/ChangeLog

+2002-01-30  Alexandre Oliva  <aoliva@redhat.com>
+
+	* config/mips/mips.h (PARM_BOUNDARY): Guarantee alignment of
+	arguments to 64-bit boundaries on 64-bit ABIs.
+
 2002-01-30  Steve Ellcey  <sje@cup.hp.com>
 
 	* loop.c (loop_invariant_p): Special case pic_offset_table_rtx.

gcc/config/mips/mips.h

@@ -1646,7 +1646,9 @@ do {							\
 #define POINTER_BOUNDARY (Pmode == DImode ? 64 : 32)
 
 /* Allocation boundary (in *bits*) for storing arguments in argument list.  */
-#define PARM_BOUNDARY (TARGET_64BIT ? 64 : 32)
+#define PARM_BOUNDARY ((mips_abi == ABI_O64 || mips_abi == ABI_N32 \
+			|| mips_abi == ABI_64 \
+			|| (mips_abi == ABI_EABI && TARGET_64BIT)) ? 64 : 32)
 
 /* Allocation boundary (in *bits*) for the code of a function.  */
 #define FUNCTION_BOUNDARY 32