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| author | Doug Evans <dje@gnu.org> | 1996-08-19 22:40:29 +0000 |
|---|---|---|
| committer | Doug Evans <dje@gnu.org> | 1996-08-19 22:40:29 +0000 |
| commit | 62f1c6492fd8177d0ade0b7846a29d2aa2e619ee (patch) | |
| tree | 4ffc8f23fcec4b9b0a655b3868514c1df7b7d93f /gcc | |
| parent | 747691c4ee3f19e199741c53d580d2a4814450c6 (diff) | |
| download | gcc-62f1c6492fd8177d0ade0b7846a29d2aa2e619ee.zip gcc-62f1c6492fd8177d0ade0b7846a29d2aa2e619ee.tar.gz gcc-62f1c6492fd8177d0ade0b7846a29d2aa2e619ee.tar.bz2 | |
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
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/sparc/sparc.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h index 44cba6a..9848f95 100644 --- a/gcc/config/sparc/sparc.h +++ b/gcc/config/sparc/sparc.h @@ -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 |