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Merge pull request #9 from pattop/master

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ppc32: fix fp_montgomery_reduce assembly
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Steffen Jaeckel 2015-04-25 14:22:22 +02:00
commit e0fe602802
1 changed files with 7 additions and 11 deletions
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18
src/mont/fp_montgomery_reduce.c
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@ -325,22 +325,18 @@ asm( \
asm( \ asm( \
" mullw 16,%3,%4 \n\t" \ " mullw 16,%3,%4 \n\t" \
" mulhwu 17,%3,%4 \n\t" \ " mulhwu 17,%3,%4 \n\t" \
" addc 16,16,%0 \n\t" \ " addc 16,16,%2 \n\t" \
" addze 17,17 \n\t" \ " addze 17,17 \n\t" \
" lwz 18,%1 \n\t" \ " addc %1,16,%5 \n\t" \
" addc 16,16,18 \n\t" \
" addze %0,17 \n\t" \ " addze %0,17 \n\t" \
" stw 16,%1 \n\t" \ :"=r"(cy),"=r"(_c[0]):"0"(cy),"r"(mu),"r"(tmpm[0]),"1"(_c[0]):"16", "17", "cc"); ++tmpm;
:"=r"(cy),"=g"(_c[0]):"0"(cy),"r"(mu),"r"(tmpm[0]),"1"(_c[0]):"16", "17", "18","cc"); ++tmpm;
#define PROPCARRY \ #define PROPCARRY \
asm( \ asm( \
" lwz 16,%1 \n\t" \ " addc %1,%3,%2 \n\t" \
" addc 16,16,%0 \n\t" \ " xor %0,%2,%2 \n\t" \
" stw 16,%1 \n\t" \ " addze %0,%2 \n\t" \
" xor %0,%0,%0 \n\t" \ :"=r"(cy),"=r"(_c[0]):"0"(cy),"1"(_c[0]):"cc");
" addze %0,%0 \n\t" \
:"=r"(cy),"=g"(_c[0]):"0"(cy),"1"(_c[0]):"16","cc");
/******************************************************************/ /******************************************************************/
#elif defined(TFM_PPC64) #elif defined(TFM_PPC64)