Implemented arm64 instructions: ldp and stp

src/arm/StorePair_test.go

@@ -0,0 +1,28 @@
+package arm_test
+
+import (
+	"testing"
+
+	"git.urbach.dev/cli/q/src/arm"
+	"git.urbach.dev/cli/q/src/cpu"
+	"git.urbach.dev/go/assert"
+)
+
+func TestStorePair(t *testing.T) {
+	usagePatterns := []struct {
+		Reg1   cpu.Register
+		Reg2   cpu.Register
+		Base   cpu.Register
+		Offset int
+		Code   uint32
+	}{
+		{arm.FP, arm.LR, arm.SP, -32, 0xA9BE7BFD},
+		{arm.FP, arm.LR, arm.SP, -16, 0xA9BF7BFD},
+	}
+
+	for _, pattern := range usagePatterns {
+		t.Logf("stp %s, %s, [%s, #%d]!", pattern.Reg1, pattern.Reg2, pattern.Base, pattern.Offset)
+		code := arm.StorePair(pattern.Reg1, pattern.Reg2, pattern.Base, pattern.Offset)
+		assert.DeepEqual(t, code, pattern.Code)
+	}
+}