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asm.c: fix ppc asm for macOS

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This commit is contained in:
Sergey Fedorov
2024-09-01 19:44:20 +08:00
parent 765e5d1689
commit b6bfae9c24
1 changed files with 50 additions and 0 deletions
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50
wolfcrypt/src/asm.c
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@@ -529,6 +529,27 @@ __asm__( \
#define LOOP_START \ #define LOOP_START \
mu = c[x] * mp mu = c[x] * mp
#ifdef __APPLE__
#define INNERMUL \
__asm__( \
" mullw r16,%3,%4 \n\t" \
" mulhwu r17,%3,%4 \n\t" \
" addc r16,r16,%2 \n\t" \
" addze r17,r17 \n\t" \
" addc %1,r16,%5 \n\t" \
" addze %0,r17 \n\t" \
:"=r"(cy),"=r"(_c[0]):"0"(cy),"r"(mu),"r"(tmpm[0]),"1"(_c[0]):"r16", "r17", "cc"); ++tmpm;
#define PROPCARRY \
__asm__( \
" addc %1,%3,%2 \n\t" \
" xor %0,%2,%2 \n\t" \
" addze %0,%2 \n\t" \
:"=r"(cy),"=r"(_c[0]):"0"(cy),"1"(_c[0]):"cc");
#else
#define INNERMUL \ #define INNERMUL \
__asm__( \ __asm__( \
" mullw 16,%3,%4 \n\t" \ " mullw 16,%3,%4 \n\t" \
@@ -546,6 +567,8 @@ __asm__( \
" addze %0,%2 \n\t" \ " addze %0,%2 \n\t" \
:"=r"(cy),"=r"(_c[0]):"0"(cy),"1"(_c[0]):"cc"); :"=r"(cy),"=r"(_c[0]):"0"(cy),"1"(_c[0]):"cc");
#endif
#elif defined(TFM_PPC64) #elif defined(TFM_PPC64)
/* PPC64 */ /* PPC64 */
@@ -555,6 +578,8 @@ __asm__( \
#define LOOP_START \ #define LOOP_START \
mu = c[x] * mp mu = c[x] * mp
#ifdef __APPLE__
#define INNERMUL \ #define INNERMUL \
__asm__( \ __asm__( \
" mulld r16,%3,%4 \n\t" \ " mulld r16,%3,%4 \n\t" \
@@ -576,6 +601,31 @@ __asm__( \
" addze %0,%0 \n\t" \ " addze %0,%0 \n\t" \
:"=r"(cy),"=m"(_c[0]):"0"(cy),"1"(_c[0]):"r16","cc"); :"=r"(cy),"=m"(_c[0]):"0"(cy),"1"(_c[0]):"r16","cc");
#else
#define INNERMUL \
__asm__( \
" mulld 16,%3,%4 \n\t" \
" mulhdu 17,%3,%4 \n\t" \
" addc 16,16,%0 \n\t" \
" addze 17,17 \n\t" \
" ldx 18,0,%1 \n\t" \
" addc 16,16,18 \n\t" \
" addze %0,17 \n\t" \
" sdx 16,0,%1 \n\t" \
:"=r"(cy),"=m"(_c[0]):"0"(cy),"r"(mu),"r"(tmpm[0]),"1"(_c[0]):"16", "17", "18","cc"); ++tmpm;
#define PROPCARRY \
__asm__( \
" ldx 16,0,%1 \n\t" \
" addc 16,16,%0 \n\t" \
" sdx 16,0,%1 \n\t" \
" xor %0,%0,%0 \n\t" \
" addze %0,%0 \n\t" \
:"=r"(cy),"=m"(_c[0]):"0"(cy),"1"(_c[0]):"16","cc");
#endif
/******************************************************************/ /******************************************************************/
#elif defined(TFM_AVR32) #elif defined(TFM_AVR32)