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add sm2

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[GGSuchao]
2017-07-06 17:27:45 +08:00
committed by GGSuchao
parent 7f55f996cd
commit a35f536e5a
1 changed files with 1 additions and 1 deletions
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80
crypto/sm2/miracl/mrmuldv.c Normal file
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/* GCC inline assembly version for Linux64 */
#include <openssl/miracl.h>
mr_small muldiv(mr_small a,mr_small b,mr_small c,mr_small m,mr_small *rp)
{
mr_small q;
__asm__ __volatile__ (
"movq %1,%%rax\n"
"mulq %2\n"
"addq %3,%%rax\n"
"adcq $0,%%rdx\n"
"divq %4\n"
"movq %5,%%rbx\n"
"movq %%rdx,(%%rbx)\n"
"movq %%rax,%0\n"
: "=m"(q)
: "m"(a),"m"(b),"m"(c),"m"(m),"m"(rp)
: "rax","rbx","memory"
);
return q;
}
mr_small muldvm(mr_small a,mr_small c,mr_small m,mr_small *rp)
{
mr_small q;
__asm__ __volatile__ (
"movq %1,%%rdx\n"
"movq %2,%%rax\n"
"divq %3\n"
"movq %4,%%rbx\n"
"movq %%rdx,(%%rbx)\n"
"movq %%rax,%0\n"
: "=m"(q)
: "m"(a),"m"(c),"m"(m),"m"(rp)
: "rax","rbx","memory"
);
return q;
}
mr_small muldvd(mr_small a,mr_small b,mr_small c,mr_small *rp)
{
mr_small q;
__asm__ __volatile__ (
"movq %1,%%rax\n"
"mulq %2\n"
"addq %3,%%rax\n"
"adcq $0,%%rdx\n"
"movq %4,%%rbx\n"
"movq %%rax,(%%rbx)\n"
"movq %%rdx,%0\n"
: "=m"(q)
: "m"(a),"m"(b),"m"(c),"m"(rp)
: "rax","rbx","memory"
);
return q;
}
void muldvd2(mr_small a,mr_small b,mr_small *c,mr_small *rp)
{
__asm__ __volatile__ (
"movq %0,%%rax\n"
"mulq %1\n"
"movq %2,%%rbx\n"
"addq (%%rbx),%%rax\n"
"adcq $0,%%rdx\n"
"movq %3,%%rsi\n"
"addq (%%rsi),%%rax\n"
"adcq $0,%%rdx\n"
"movq %%rax,(%%rsi)\n"
"movq %%rdx,(%%rbx)\n"
:
: "m"(a),"m"(b),"m"(c),"m"(rp)
: "rax","rbx","rsi","memory"
);
}