Subversion Repositories openrisc_me

typedef unsigned short uint16_t;

typedef unsigned int uint32_t;

#define CF (1<<0)

#define PF (1<<2)

#define AF (1<<4)

#define ZF (1<<6)

#define SF (1<<7)

#define OF (1<<11)

#define EFLAGS_BITS (CF|PF|AF|ZF|SF|OF)

void test16(uint16_t x, uint32_t eflags)

{

        uint16_t bsr_result;

        uint32_t bsr_eflags;

        uint16_t bsf_result;

        uint32_t bsf_eflags;

        __asm volatile(""

                : "=&r" (bsr_result), "=&r" (bsr_eflags)

                : "r" (x), "i" (~EFLAGS_BITS), "r" (eflags));

        __asm volatile(""

                : "=&r" (bsf_result), "=&r" (bsf_eflags)

                : "r" (x), "i" (~EFLAGS_BITS), "r" (eflags));

        printf("%08x %04x bsrw %02x %08x bsfw %02x %08x\n",

                x, eflags, bsr_result, bsr_eflags, bsf_result, bsf_eflags);

}