diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/compile/20040101-1.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/20040101-1.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/20040101-1.c b/gcc/testsuite/gcc.c-torture/compile/20040101-1.c new file mode 100644 index 000000000..baa0e4f93 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20040101-1.c @@ -0,0 +1,30 @@ +/* { dg-skip-if "not enough registers" { pdp11-*-* } { "-O[12s]" } { "" } } */ + +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); +} |