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replace if(x>>b) by if(x>C) as shifts are slow on some cpus and i have my doubts that gcc can replace the shifts as x is signed, it could in theory but well its gcc ...

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Originally committed as revision 7776 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-01-31 10:07:22 +00:00
parent d62a0c1e5d
commit 801778bc83
1 changed files with 3 additions and 3 deletions
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6
libavcodec/lzo.c
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@ -184,11 +184,11 @@ int lzo1x_decode(void *out, int *outlen, void *in, int *inlen) {
}
while (!c.error) {
int cnt, back;
if (x >> 4) {
if (x >> 6) {
if (x > 15) {
if (x > 63) {
cnt = (x >> 5) - 1;
back = (GETB(c) << 3) + ((x >> 2) & 7) + 1;
} else if (x >> 5) {
} else if (x > 31) {
cnt = get_len(&c, x, 31);
x = GETB(c);
back = (GETB(c) << 6) + (x >> 2) + 1;