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Add simple tests for RX and RXY style instructions.

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Also changed the test function signature to int64_t fn(int64_t, int64_t)
to make it easier to test 64-bit operations.
This commit is contained in:
Michael Munday 2016-12-05 14:51:48 -05:00
parent d9e61fe7a8
commit be3efbc65a
1 changed files with 39 additions and 9 deletions
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48
dynasm/Examples/test_z_inst.c
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@ -33,18 +33,48 @@ static void mul(dasm_State *state)
| br r14 | br r14
} }
static void rx(dasm_State *state)
{
dasm_State **Dst = &state;
int x = 1;
int y = 4095;
| la r4, 4095(r2, r3)
| la r5, 4095(r4)
| la r1, x(r5)
| la r2, y(r1, r0)
| br r14
}
static void rxy(dasm_State *state)
{
dasm_State **Dst = &state;
int x = -524287;
int y = 524286;
| lay r4, -524288(r2, r3)
| lay r5, 524287(r4)
| lay r1, x(r5)
| lay r2, y(r1, r0)
| br r14
}
typedef struct { typedef struct {
int arg1; int64_t arg1;
int arg2; int64_t arg2;
void (*fn)(dasm_State *); void (*fn)(dasm_State *);
int want; int64_t want;
const char *testname; const char *testname;
} test_table; } test_table;
test_table test[] = { test_table test[] = {
{ 1, 2, add, 3, "add"}, { 1, 2, add, 3, "add"},
{10, 5, sub, 5, "sub"}, {10, 5, sub, 5, "sub"},
{ 2, 3, mul, 6, "mul"} { 2, 3, mul, 6, "mul"},
{ 5, 7, rx, 12298, "rx"},
{ 5, 7, rxy, 10, "rxy"}
}; };
static void *jitcode(dasm_State **state, size_t *size) static void *jitcode(dasm_State **state, size_t *size)
@ -69,11 +99,11 @@ int main(int argc, char *argv[])
dasm_setup(&state, actions); dasm_setup(&state, actions);
test[i].fn(state); test[i].fn(state);
size_t size; size_t size;
int (*fptr)(int, int) = jitcode(&state, &size); int64_t (*fptr)(int64_t, int64_t) = jitcode(&state, &size);
int got = fptr(test[i].arg1, test[i].arg2); int64_t got = fptr(test[i].arg1, test[i].arg2);
if (got != test[i].want) { if (got != test[i].want) {
fprintf(stderr, "FAIL: test %s: want %d, got %d\n", test[i].testname, test[i].want, got); fprintf(stderr, "FAIL: test %s: want %ld, got %ld\n", test[i].testname, test[i].want, got);
exit(1); exit(1);
} }
munmap(fptr, size); munmap(fptr, size);