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Diffstat (limited to 'gcc/config/sh/sh.h')
| -rw-r--r-- | gcc/config/sh/sh.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h index 8819300116e..8c30e5c14bd 100644 --- a/gcc/config/sh/sh.h +++ b/gcc/config/sh/sh.h @@ -1594,6 +1594,11 @@ struct sh_args { #define SET_BY_PIECES_P(SIZE, ALIGN) STORE_BY_PIECES_P(SIZE, ALIGN) +/* If a memory clear move would take CLEAR_RATIO or more simple + move-instruction pairs, we will do a setmem instead. */ + +#define CLEAR_RATIO(speed) ((speed) ? 15 : 3) + /* Macros to check register numbers against specific register classes. */ /* These assume that REGNO is a hard or pseudo reg number. |