diff options
Diffstat (limited to 'gcc/defaults.h')
-rw-r--r-- | gcc/defaults.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/defaults.h b/gcc/defaults.h index c1776b05690..d2609e761c2 100644 --- a/gcc/defaults.h +++ b/gcc/defaults.h @@ -1006,6 +1006,15 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define MOVE_MAX_PIECES MOVE_MAX #endif +/* STORE_MAX_PIECES is the number of bytes at a time that we can + store efficiently. Due to internal GCC limitations, this is + MOVE_MAX_PIECES limited by the number of bytes GCC can represent + for an immediate constant. */ + +#ifndef STORE_MAX_PIECES +#define STORE_MAX_PIECES MIN (MOVE_MAX_PIECES, 2 * sizeof (HOST_WIDE_INT)) +#endif + #ifndef MAX_MOVE_MAX #define MAX_MOVE_MAX MOVE_MAX #endif |