1 /* { dg-skip-if "not enough registers" { pdp11-*-* } } */
2
3 typedef unsigned short uint16_t;
4 typedef unsigned int uint32_t;
5
6 #define CF (1<<0)
7 #define PF (1<<2)
8 #define AF (1<<4)
9 #define ZF (1<<6)
10 #define SF (1<<7)
11 #define OF (1<<11)
12
13 #define EFLAGS_BITS (CF|PF|AF|ZF|SF|OF)
14
test16(uint16_t x,uint32_t eflags)15 void test16(uint16_t x, uint32_t eflags)
16 {
17 uint16_t bsr_result;
18 uint32_t bsr_eflags;
19 uint16_t bsf_result;
20 uint32_t bsf_eflags;
21
22 __asm volatile(""
23 : "=&r" (bsr_result), "=&r" (bsr_eflags)
24 : "r" (x), "i" (~EFLAGS_BITS), "r" (eflags));
25 __asm volatile(""
26 : "=&r" (bsf_result), "=&r" (bsf_eflags)
27 : "r" (x), "i" (~EFLAGS_BITS), "r" (eflags));
28 printf("%08x %04x bsrw %02x %08x bsfw %02x %08x\n",
29 x, eflags, bsr_result, bsr_eflags, bsf_result, bsf_eflags);
30 }
31