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postproc/postprocess_template: Avoid using %4 for the threshold compare

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This avoids problems if %4 is the stack pointer
the constraints do not allow %4 to be the stack pointer but gcc 9 may
no longer support specifying such constraints

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-12-20 22:40:05 +01:00
parent 7ea4b928a2
commit 4325527e1c
1 changed files with 4 additions and 4 deletions
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8
libpostproc/postprocess_template.c
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@ -1184,10 +1184,10 @@ FIND_MIN_MAX((%0, %1, 8))
#endif
"movq %%mm6, %%mm0 \n\t" // max
"psubb %%mm7, %%mm6 \n\t" // max - min
"push %4 \n\t"
"movd %%mm6, %k4 \n\t"
"cmpb "MANGLE(deringThreshold)", %b4 \n\t"
"pop %4 \n\t"
"push %%"FF_REG_a" \n\t"
"movd %%mm6, %%eax \n\t"
"cmpb "MANGLE(deringThreshold)", %%al \n\t"
"pop %%"FF_REG_a" \n\t"
" jb 1f \n\t"
PAVGB(%%mm0, %%mm7) // a=(max + min)/2
"punpcklbw %%mm7, %%mm7 \n\t"