39 lines
1 KiB
Go
39 lines
1 KiB
Go
package x86_test
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"git.urbach.dev/cli/q/src/cpu"
|
|
"git.urbach.dev/cli/q/src/x86"
|
|
"git.urbach.dev/go/assert"
|
|
)
|
|
|
|
func TestDivRegister(t *testing.T) {
|
|
usagePatterns := []struct {
|
|
Register cpu.Register
|
|
Code []byte
|
|
}{
|
|
{x86.RAX, []byte{0x48, 0xF7, 0xF8}},
|
|
{x86.RCX, []byte{0x48, 0xF7, 0xF9}},
|
|
{x86.RDX, []byte{0x48, 0xF7, 0xFA}},
|
|
{x86.RBX, []byte{0x48, 0xF7, 0xFB}},
|
|
{x86.RSP, []byte{0x48, 0xF7, 0xFC}},
|
|
{x86.RBP, []byte{0x48, 0xF7, 0xFD}},
|
|
{x86.RSI, []byte{0x48, 0xF7, 0xFE}},
|
|
{x86.RDI, []byte{0x48, 0xF7, 0xFF}},
|
|
{x86.R8, []byte{0x49, 0xF7, 0xF8}},
|
|
{x86.R9, []byte{0x49, 0xF7, 0xF9}},
|
|
{x86.R10, []byte{0x49, 0xF7, 0xFA}},
|
|
{x86.R11, []byte{0x49, 0xF7, 0xFB}},
|
|
{x86.R12, []byte{0x49, 0xF7, 0xFC}},
|
|
{x86.R13, []byte{0x49, 0xF7, 0xFD}},
|
|
{x86.R14, []byte{0x49, 0xF7, 0xFE}},
|
|
{x86.R15, []byte{0x49, 0xF7, 0xFF}},
|
|
}
|
|
|
|
for _, pattern := range usagePatterns {
|
|
t.Logf("idiv %s", pattern.Register)
|
|
code := x86.DivRegister(nil, pattern.Register)
|
|
assert.DeepEqual(t, code, pattern.Code)
|
|
}
|
|
}
|