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sparc.h ({MASK,TARGET}_LITTLE_ENDIAN): Define. 

* sparc.h ({MASK,TARGET}_LITTLE_ENDIAN): Define.
	(LIBGCC2_WORDS_BIG_ENDIAN): Add little endian support.

From-SVN: r12660
This commit is contained in:
Doug Evans 1996-08-19 22:40:29 +00:00
parent 747691c4ee
commit 62f1c6492f
1 changed files with 14 additions and 4 deletions
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18
gcc/config/sparc/sparc.h
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@ -324,7 +324,12 @@ extern int target_flags;
#define MASK_HARD_QUAD 0x800
#define TARGET_HARD_QUAD (target_flags & MASK_HARD_QUAD)
/* Bit 0x1000 currently unused. */
/* Non-zero on little-endian machines. */
/* ??? Little endian support currently only exists for sparclet-aout and
sparc64-elf configurations. May eventually want to expand the support
to all targets, but for now it's kept local to only those two. */
#define MASK_LITTLE_ENDIAN 0x1000
#define TARGET_LITTLE_ENDIAN (target_flags & MASK_LITTLE_ENDIAN)
/* Nonzero if ints are 64 bits.
This automatically implies longs are 64 bits too.
@ -530,15 +535,20 @@ extern struct sparc_cpu_select sparc_select[];
#define BITS_BIG_ENDIAN 1
/* Define this if most significant byte of a word is the lowest numbered. */
/* This is true on the SPARC. */
#define BYTES_BIG_ENDIAN 1
/* Define this if most significant word of a multiword number is the lowest
numbered. */
/* Doubles are stored in memory with the high order word first. This
matters when cross-compiling. */
#define WORDS_BIG_ENDIAN 1
/* Define this to set the endianness to use in libgcc2.c, which can
not depend on target_flags. */
#if defined (__LITTLE_ENDIAN__)
#define LIBGCC2_WORDS_BIG_ENDIAN 0
#else
#define LIBGCC2_WORDS_BIG_ENDIAN 1
#endif
/* number of bits in an addressable storage unit */
#define BITS_PER_UNIT 8