feat(gasm): audit-instructions for arm64, riscv64 and loong64

Assisted-by: GLM 5.3 Flash

cmd/gasm/audit_test.go

@@ -3,7 +3,11 @@
 
 package main
 
-import "testing"
+import (
+	"testing"
+
+	"sourcedock.dev/petrbalvin/gasm-devkit/arch"
+)
 
 func TestDerivedFamily(t *testing.T) {
 	for _, n := range []string{"JEQ", "JLT", "JCC", "CMOVLGT", "SETNE", "SETA"} {
@@ -23,3 +27,40 @@ func TestSanitize(t *testing.T) {
 		t.Errorf("sanitize: got %q", got)
 	}
 }
+
+func TestAuditArch(t *testing.T) {
+	for in, want := range map[string]arch.Arch{
+		"amd64": arch.AMD64, "arm64": arch.ARM64,
+		"riscv64": arch.RISCV, "riscv": arch.RISCV,
+		"loong64": arch.LOONG64, "LOONG": arch.LOONG64,
+	} {
+		got, err := auditArch(in)
+		if err != nil || got != want {
+			t.Errorf("auditArch(%q) = %v, %v; want %v", in, got, err, want)
+		}
+	}
+	if _, err := auditArch("mips"); err == nil {
+		t.Error("auditArch(mips) must fail")
+	}
+}
+
+func TestGasmEncodable(t *testing.T) {
+	cases := []struct {
+		a   arch.Arch
+		yes string
+		no  string
+	}{
+		{arch.AMD64, "ADDQ", "NOSUCHMNEMONIC"},
+		{arch.ARM64, "ADD", "NOSUCHMNEMONIC"},
+		{arch.RISCV, "ADD", "NOSUCHMNEMONIC"},
+		{arch.LOONG64, "ADDV", "NOSUCHMNEMONIC"},
+	}
+	for _, c := range cases {
+		if !gasmEncodable(c.a, c.yes) {
+			t.Errorf("%s: %s should be encodable", c.a, c.yes)
+		}
+		if gasmEncodable(c.a, c.no) {
+			t.Errorf("%s: %s should not be encodable", c.a, c.no)
+		}
+	}
+}