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| author | David Schleef <ds@bigkitten.com> | 2008-03-16 18:58:49 -0700 |
|---|---|---|
| committer | David Schleef <ds@bigkitten.com> | 2008-03-16 18:58:49 -0700 |
| commit | ba4855b50c5b840e88b330362e9d094810427315 (patch) | |
| tree | 020895f2b0a37e0704830ffd600d770ee3720c40 | |
| parent | 301ac278cb7341eb3a515434fd9ef3403abce24c (diff) | |
Check n==0 case.
| -rw-r--r-- | liboil/amd64/wavelet.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/liboil/amd64/wavelet.c b/liboil/amd64/wavelet.c index 9785fa2..1ee7ba7 100644 --- a/liboil/amd64/wavelet.c +++ b/liboil/amd64/wavelet.c @@ -1770,6 +1770,7 @@ lshift_s16_mmx(int16_t *d1, int16_t *s1, int16_t *s3_1, int n) n--; } n >>= 2; + if (n == 0) return; __asm__ __volatile__ ("\n" " movzwl 0(%[s3_1]), %%ecx\n" " movd %%ecx, %%mm1\n" @@ -1800,6 +1801,7 @@ lshift_s16_mmx_2(int16_t *d1, int16_t *s1, int16_t *s3_1, int n) n--; } n >>= 3; + if (n == 0) return; __asm__ __volatile__ ("\n" " movzwl 0(%[s3_1]), %%ecx\n" " movd %%ecx, %%mm1\n" |