diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/tcctest.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/tests/tcctest.c b/tests/tcctest.c index abe15f8..5851fb4 100644 --- a/tests/tcctest.c +++ b/tests/tcctest.c @@ -2565,12 +2565,33 @@ static __inline__ unsigned long long inc64(unsigned long long a) return res; } +struct struct123 { + int a; + int b; +}; +struct struct1231 { + unsigned long addr; +}; + +unsigned long mconstraint_test(struct struct1231 *r) +{ + unsigned long ret; + unsigned int a[2]; + a[0] = 0; + __asm__ volatile ("lea %2,%0; movl 4(%0),%k0; addl %2,%k0; movl $51,%2; movl $52,4%2; movl $63,%1" + : "=&r" (ret), "=m" (a) + : "m" (*(struct struct123 *)r->addr)); + return ret + a[0]; +} + unsigned int set; void asm_test(void) { char buf[128]; unsigned int val; + struct struct123 s1; + struct struct1231 s2 = { (unsigned long)&s1 }; printf("inline asm:\n"); @@ -2592,6 +2613,10 @@ void asm_test(void) printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234)); printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff)); + s1.a = 42; + s1.b = 43; + printf("mconstraint: %d", mconstraint_test(&s2)); + printf(" %d %d\n", s1.a, s1.b); set = 0xff; sigdelset1(&set, 2); sigaddset1(&set, 16); @@ -2600,9 +2625,6 @@ void asm_test(void) goto label1; label2: __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc"); -#ifdef __GNUC__ // works strange with GCC 4.3 - set=0x1080fd; -#endif printf("set=0x%x\n", set); val = 0x01020304; printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val)); |