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fix arm thumb mode assembly

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toddouska 2014-02-18 16:45:43 -08:00
parent 24dcddb216
commit 45859e97bf
1 changed files with 36 additions and 2 deletions
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38
ctaocrypt/src/asm.c
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@ -318,6 +318,36 @@ __asm__( \
#define LOOP_START \
mu = c[x] * mp
#ifdef __thumb__
#define INNERMUL \
__asm__( \
" LDR r0,%1 \n\t" \
" ADDS r0,r0,%0 \n\t" \
" ITE CS \n\t" \
" MOVCS %0,#1 \n\t" \
" MOVCC %0,#0 \n\t" \
" UMLAL r0,%0,%3,%4 \n\t" \
" STR r0,%1 \n\t" \
:"=r"(cy),"=m"(_c[0]):"0"(cy),"r"(mu),"r"(*tmpm++),"m"(_c[0]):"r0","cc");
#define PROPCARRY \
__asm__( \
" LDR r0,%1 \n\t" \
" ADDS r0,r0,%0 \n\t" \
" STR r0,%1 \n\t" \
" ITE CS \n\t" \
" MOVCS %0,#1 \n\t" \
" MOVCC %0,#0 \n\t" \
:"=r"(cy),"=m"(_c[0]):"0"(cy),"m"(_c[0]):"r0","cc");
/* TAO thumb mode uses ite (if then else) to detect carry directly
* fixed unmatched constraint warning by changing 1 to m */
#else /* __thumb__ */
#define INNERMUL \
__asm__( \
" LDR r0,%1 \n\t" \
@ -337,6 +367,8 @@ __asm__( \
" MOVCC %0,#0 \n\t" \
:"=r"(cy),"=m"(_c[0]):"0"(cy),"1"(_c[0]):"r0","cc");
#endif /* __thumb__ */
#elif defined(TFM_PPC32)
/* PPC32 */
@ -725,9 +757,11 @@ __asm__( \
#define SQRADDSC(i, j) \
__asm__( \
" UMULL %0,%1,%6,%7 \n\t" \
" UMULL %0,%1,%3,%4 \n\t" \
" SUB %2,%2,%2 \n\t" \
:"=r"(sc0), "=r"(sc1), "=r"(sc2) : "0"(sc0), "1"(sc1), "2"(sc2), "r"(i), "r"(j) : "cc");
:"=r"(sc0), "=r"(sc1), "=r"(sc2) : "r"(i), "r"(j) : "cc");
/* TAO removed sc0,1,2 as input to remove warning so %6,%7 become %3,%4 */
#define SQRADDAC(i, j) \
__asm__( \