diff options
Diffstat (limited to 'gcc/config/riscv/riscv.h')
| -rw-r--r-- | gcc/config/riscv/riscv.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/config/riscv/riscv.h b/gcc/config/riscv/riscv.h index e53555e..a802a3f 100644 --- a/gcc/config/riscv/riscv.h +++ b/gcc/config/riscv/riscv.h @@ -615,7 +615,12 @@ typedef struct { #define MOVE_MAX UNITS_PER_WORD #define MAX_MOVE_MAX 8 -#define SLOW_BYTE_ACCESS 0 +/* The SPARC port says: + Nonzero if access to memory by bytes is slow and undesirable. + For RISC chips, it means that access to memory by bytes is no + better than access by words when possible, so grab a whole word + and maybe make use of that. */ +#define SLOW_BYTE_ACCESS 1 #define SHIFT_COUNT_TRUNCATED 1 |