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| author | H. Peter Anvin <hpa@zytor.com> | 2008-06-10 09:31:31 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-06-10 09:31:31 -0700 |
| commit | 8cc5aa78291843c10931ed3c738290df0b643279 (patch) | |
| tree | a46aad32b1afebd6ce0b89438093a9de11773c8d /saa.c | |
| parent | 1cff81e3562645b55fbe4beb7856c5ef8b7e910a (diff) | |
| download | nasm-8cc5aa78291843c10931ed3c738290df0b643279.tar.gz nasm-8cc5aa78291843c10931ed3c738290df0b643279.tar.bz2 nasm-8cc5aa78291843c10931ed3c738290df0b643279.zip | |
SAA: optimize all power-of-two lengths
We can actually use the shift optimization whenever blk_len ==
SAA_BLKLEN, which will be true for all powers of two.
Diffstat (limited to 'saa.c')
| -rw-r--r-- | saa.c | 5 |
1 files changed, 2 insertions, 3 deletions
@@ -211,7 +211,7 @@ void saa_fread(struct SAA *s, size_t posn, void *data, size_t len) return; } - if (s->elem_len == 1) { + if (s->blk_len == SAA_BLKLEN) { ix = posn >> SAA_BLKSHIFT; s->rpos = posn & (SAA_BLKLEN-1); } else { @@ -234,9 +234,8 @@ void saa_fwrite(struct SAA *s, size_t posn, const void *data, size_t len) nasm_malloc_error(ERR_PANIC|ERR_NOFILE, "overrun in saa_fwrite"); return; } - - if (s->elem_len == 1) { + if (s->blk_len == SAA_BLKLEN) { ix = posn >> SAA_BLKSHIFT; s->wpos = posn & (SAA_BLKLEN-1); } else { |