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Code Issues Releases Activity

dsputil: restore mistakenly removed hunk of disabled code

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This particular part serves to document the optimized code variant.
This commit is contained in:
Diego Biurrun 2011-07-18 18:03:28 +02:00
parent 9bc8bcddbd
commit e463f0e979
1 changed files with 11 additions and 0 deletions
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11
libavcodec/dsputil.c
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@ -175,6 +175,16 @@ static int pix_norm1_c(uint8_t * pix, int line_size)
s = 0;
for (i = 0; i < 16; i++) {
for (j = 0; j < 16; j += 8) {
#if 0
s += sq[pix[0]];
s += sq[pix[1]];
s += sq[pix[2]];
s += sq[pix[3]];
s += sq[pix[4]];
s += sq[pix[5]];
s += sq[pix[6]];
s += sq[pix[7]];
#else
#if LONG_MAX > 2147483647
register uint64_t x=*(uint64_t*)pix;
s += sq[x&0xff];
@ -196,6 +206,7 @@ static int pix_norm1_c(uint8_t * pix, int line_size)
s += sq[(x>>8)&0xff];
s += sq[(x>>16)&0xff];
s += sq[(x>>24)&0xff];
#endif
#endif
pix += 8;
}