FMADDF	F2, F14, F9, F16	// 30391108
	FMADDD	F11, F20, F23, F12	// ecd22508
	FMSUBF	F3, F11, F31, F22	// f6af5108
	FMSUBD	F13, F30, F9, F15	// 2ff96608
	FNMADDF	F27, F11, F5, F21	// b5ac9d08
	FNMADDD	F29, F14, F27, F6	// 66bbae08
	FNMSUBF	F17, F8, F12, F8	// 88a1d808
	FNMSUBD	F29, F21, F3, F17	// 71d4ee08
	FMADDF	F2, F14, F9		// 29391108
	FMADDD	F11, F20, F23		// f7d22508
	FMSUBF	F3, F11, F31		// ffaf5108

	register["FS7"] = riscv.REG_FS7
	register["FS8"] = riscv.REG_FS8
	register["FS9"] = riscv.REG_FS9
	register["FS10"] = riscv.REG_FS10
	register["FS11"] = riscv.REG_FS11
	register["FT8"] = riscv.REG_FT8
	register["FT9"] = riscv.REG_FT9
	register["FT10"] = riscv.REG_FT10
	register["FT11"] = riscv.REG_FT11

	// Pseudo-registers.
	register["SB"] = RSB
	register["FP"] = RFP
	register["PC"] = RPC

	CLFEBR	F15, R1                // b39c501f
	CLFDBR	F14, R2                // b39d502e
	CLGEBR	F13, R3                // b3ac503d
	CLGDBR	F12, R4                // b3ad504c

	FMOVS	$0, F11                // b37400b0
	FMOVD	$0, F12                // b37500c0
	FMOVS	(R1)(R2*1), F0         // 78021000
	FMOVS	n-8(SP), F15           // 78f0f010
	FMOVD	-9999999(R8)(R9*1), F8 // c0a1ff67698141aa9000688a8000

  private static final ImmutableSet<String> VALID_NAME =
      ImmutableSet.of(
          "foo.com",
          "f-_-o.cOM",
          "f--1.com",
          "f11-1.com",
          "www",
          "abc.a23",
          "biz.com.ua",
          "x",
          "fOo",
          "f--o",
          "f_a",
          "foo.net.us\uFF61ocm",
          "woo.com.",