1 /* { dg-skip-if "not enough registers" { pdp11-*-* } } */
2 /* { dg-skip-if "too many arguments in function call" { bpf-*-* } } */
3
4 typedef unsigned short uint16_t;
5 typedef unsigned int uint32_t;
6
7 #define CF (1<<0)
8 #define PF (1<<2)
9 #define AF (1<<4)
10 #define ZF (1<<6)
11 #define SF (1<<7)
12 #define OF (1<<11)
13
14 #define EFLAGS_BITS (CF|PF|AF|ZF|SF|OF)
15
test16(uint16_t x,uint32_t eflags)16 void test16(uint16_t x, uint32_t eflags)
17 {
18 uint16_t bsr_result;
19 uint32_t bsr_eflags;
20 uint16_t bsf_result;
21 uint32_t bsf_eflags;
22
23 __asm volatile(""
24 : "=&r" (bsr_result), "=&r" (bsr_eflags)
25 : "r" (x), "i" (~EFLAGS_BITS), "r" (eflags));
26 __asm volatile(""
27 : "=&r" (bsf_result), "=&r" (bsf_eflags)
28 : "r" (x), "i" (~EFLAGS_BITS), "r" (eflags));
29 printf("%08x %04x bsrw %02x %08x bsfw %02x %08x\n",
30 x, eflags, bsr_result, bsr_eflags, bsf_result, bsf_eflags);
31 }
32