fix(disasm): render amd64 in the toolchain's Go syntax

Assisted-by: GLM 5.3 Flash

disasm/disasm_test.go

@@ -20,8 +20,8 @@ func TestDecodeKnownBytes(t *testing.T) {
 		text string
 		want int
 	}{
-		{arch.AMD64, []byte{0x55}, "push rbp", 1},
-		{arch.AMD64, []byte{0x48, 0x89, 0xE5}, "mov rbp, rsp", 3},
+		{arch.AMD64, []byte{0x55}, "PUSHQ BP", 1},
+		{arch.AMD64, []byte{0x48, 0x89, 0xE5}, "MOVQ SP, BP", 3},
 		{arch.ARM64, []byte{0xc0, 0x03, 0x5f, 0xd6}, "RET", 4},
 		{arch.RISCV, []byte{0x67, 0x80, 0x00, 0x00}, "RET", 4},
 		{arch.LOONG64, []byte{0x20, 0x00, 0x00, 0x4c}, "RET", 4},