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(PACKSTRUCT_BIT, TARGET_PACKSTRUCT): Change to PADSTRUCT. 

Add comment saying that the option is not useful.
(TARGET_SWITCHES): Change -mpackstruct option to -mpadstruct.
(STRUCTURE_SIZE_BOUNDARY): Change PACKSTRUCT to PADSTRUCT changing
default value from 32 to 8.

From-SVN: r9071
This commit is contained in:
Jim Wilson 1995-02-24 18:16:06 -08:00
parent dfe8a5acb9
commit 9791111f79
1 changed files with 9 additions and 7 deletions
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16
gcc/config/sh/sh.h
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@ -79,7 +79,7 @@ extern int target_flags;
#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. */
@ -128,10 +128,12 @@ extern int target_flags;
/* 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)
@ -151,7 +153,7 @@ extern int target_flags;
{"hitachi", (HITACHI_BIT) }, \
{"isize", (ISIZE_BIT) }, \
{"l", (LITTLE_ENDIAN_BIT) }, \
{"packstruct",(PACKSTRUCT_BIT) }, \
{"padstruct",(PADSTRUCT_BIT) }, \
{"r", (RTL_BIT) }, \
{"space", (SPACE_BIT) }, \
{"", TARGET_DEFAULT} \
@ -276,7 +278,7 @@ do { \
/* 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. */