#define CONSTLEN_3_BIT (1<<21)
#define HITACHI_BIT (1<<22)
#define CONSTLEN_0_BIT (1<<25)
-#define PACKSTRUCT_BIT (1<<28)
+#define PADSTRUCT_BIT (1<<28)
#define LITTLE_ENDIAN_BIT (1<<29)
/* Nonzero if we should generate code using type 0 insns. */
/* Nonzero if using Hitachi's calling convention. */
#define TARGET_HITACHI (target_flags & HITACHI_BIT)
-/* Nonzero if packing structures as small as they'll go (incompatible
- with Hitachi's compiler). */
-#define TARGET_PACKSTRUCT (target_flags & PACKSTRUCT_BIT)
-
+/* Nonzero if padding structures to a multiple of 4 bytes. This is
+ incompatible with Hitachi's compiler, and gives unusual structure layouts
+ which confuse programmers.
+ ??? This option is not useful, but is retained in case there are people
+ who are still relying on it. It may be deleted in the future. */
+#define TARGET_PADSTRUCT (target_flags & PADSTRUCT_BIT)
#define TARGET_LITTLE_ENDIAN (target_flags & LITTLE_ENDIAN_BIT)
{"hitachi", (HITACHI_BIT) }, \
{"isize", (ISIZE_BIT) }, \
{"l", (LITTLE_ENDIAN_BIT) }, \
- {"packstruct",(PACKSTRUCT_BIT) }, \
+ {"padstruct",(PADSTRUCT_BIT) }, \
{"r", (RTL_BIT) }, \
{"space", (SPACE_BIT) }, \
{"", TARGET_DEFAULT} \
/* Number of bits which any structure or union's size must be a
multiple of. Each structure or union's size is rounded up to a
multiple of this. */
-#define STRUCTURE_SIZE_BOUNDARY (TARGET_PACKSTRUCT ? 8 : 32)
+#define STRUCTURE_SIZE_BOUNDARY (TARGET_PADSTRUCT ? 32 : 8)
/* Set this nonzero if move instructions will actually fail to work
when given unaligned data. */