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#include <assert.h>
#include <stdint.h>
static void test_dr(void)
{
register int32_t r0 asm("r0") = -1;
register int32_t r1 asm("r1") = -4241;
int32_t b = 101, q, r;
asm("dr %[r0],%[b]"
: [r0] "+r" (r0), [r1] "+r" (r1)
: [b] "r" (b)
: "cc");
q = r1;
r = r0;
assert(q == -41);
assert(r == -100);
}
static void test_dlr(void)
{
register uint32_t r0 asm("r0") = 0;
register uint32_t r1 asm("r1") = 4243;
uint32_t b = 101, q, r;
asm("dlr %[r0],%[b]"
: [r0] "+r" (r0), [r1] "+r" (r1)
: [b] "r" (b)
: "cc");
q = r1;
r = r0;
assert(q == 42);
assert(r == 1);
}
static void test_dsgr(void)
{
register int64_t r0 asm("r0") = -1;
register int64_t r1 asm("r1") = -4241;
int64_t b = 101, q, r;
asm("dsgr %[r0],%[b]"
: [r0] "+r" (r0), [r1] "+r" (r1)
: [b] "r" (b)
: "cc");
q = r1;
r = r0;
assert(q == -41);
assert(r == -100);
}
static void test_dlgr(void)
{
register uint64_t r0 asm("r0") = 0;
register uint64_t r1 asm("r1") = 4243;
uint64_t b = 101, q, r;
asm("dlgr %[r0],%[b]"
: [r0] "+r" (r0), [r1] "+r" (r1)
: [b] "r" (b)
: "cc");
q = r1;
r = r0;
assert(q == 42);
assert(r == 1);
}
int main(void)
{
test_dr();
test_dlr();
test_dsgr();
test_dlgr();
return 0;
}
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