diff options
Diffstat (limited to 'gcc/config/rs6000/sysv4.h')
| -rw-r--r-- | gcc/config/rs6000/sysv4.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h index ef7f969ece4..b94de3bbbf4 100644 --- a/gcc/config/rs6000/sysv4.h +++ b/gcc/config/rs6000/sysv4.h @@ -266,19 +266,27 @@ do { \ #endif /* Define cutoff for using external functions to save floating point. - Currently on V.4, always use inline stores. */ -#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64) + Currently on 64-bit V.4, always use inline stores. When optimizing + for size on 32-bit targets, use external functions when + profitable. */ +#define FP_SAVE_INLINE(FIRST_REG) (optimize_size && !TARGET_64BIT \ + ? ((FIRST_REG) == 62 \ + || (FIRST_REG) == 63) \ + : (FIRST_REG) < 64) +/* And similarly for general purpose registers. */ +#define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32 \ + && (TARGET_64BIT || !optimize_size)) /* Put jump tables in read-only memory, rather than in .text. */ #define JUMP_TABLES_IN_TEXT_SECTION 0 /* Prefix and suffix to use to saving floating point. */ #define SAVE_FP_PREFIX "_savefpr_" -#define SAVE_FP_SUFFIX "_l" +#define SAVE_FP_SUFFIX (TARGET_64BIT ? "_l" : "") /* Prefix and suffix to use to restoring floating point. */ #define RESTORE_FP_PREFIX "_restfpr_" -#define RESTORE_FP_SUFFIX "_l" +#define RESTORE_FP_SUFFIX (TARGET_64BIT ? "_l" : "") /* Type used for ptrdiff_t, as a string used in a declaration. */ #define PTRDIFF_TYPE "int" |