"E. Europe Standard Time":         {"EET", "EEST"},    // Europe/Chisinau
	"Turkey Standard Time":            {"+03", "+03"},     // Europe/Istanbul
	"Kaliningrad Standard Time":       {"EET", "EET"},     // Europe/Kaliningrad
	"FLE Standard Time":               {"EET", "EEST"},    // Europe/Kiev
	"GMT Standard Time":               {"GMT", "BST"},     // Europe/London
	"Belarus Standard Time":           {"+03", "+03"},     // Europe/Minsk

(NE  (InvertFlags cmp) yes no) => (NE cmp yes no)
(FLT (InvertFlags cmp) yes no) => (FGT cmp yes no)
(FGT (InvertFlags cmp) yes no) => (FLT cmp yes no)
(FLE (InvertFlags cmp) yes no) => (FGE cmp yes no)
(FGE (InvertFlags cmp) yes no) => (FLE cmp yes no)
(LTnoov (InvertFlags cmp) yes no) => (GTnoov cmp yes no)
(GEnoov (InvertFlags cmp) yes no) => (LEnoov cmp yes no)
(LEnoov (InvertFlags cmp) yes no) => (GEnoov cmp yes no)

(If (LessEqual cc) yes no) => (LE cc yes no)
(If (GreaterThan cc) yes no) => (GT cc yes no)
(If (GreaterEqual cc) yes no) => (GE cc yes no)
(If (FLessThan cc) yes no) => (FLT cc yes no)
(If (FLessEqual cc) yes no) => (FLE cc yes no)
(If (FGreaterThan cc) yes no) => (FGT cc yes no)
(If (FGreaterEqual cc) yes no) => (FGE cc yes no)

(If cond yes no) => (NE (CMPconst [0] (ANDconst [1] cond)) yes no)

// Absorb boolean tests into block

(Less(64|32)F ...) => (FLT(D|S) ...)

// Convert x <= y to !(y > x).
(Leq(64|32|16|8)  x y) => (Not (Less(64|32|16|8)  y x))
(Leq(64|32|16|8)U x y) => (Not (Less(64|32|16|8)U y x))
(Leq(64|32)F ...) => (FLE(D|S) ...)

(EqPtr x y) => (SEQZ (SUB <typ.Uintptr> x y))
(Eq64  x y) => (SEQZ (SUB <x.Type> x y))
(Eq32  x y) &&  x.Type.IsSigned() => (SEQZ (SUB <x.Type> (SignExt32to64 x) (SignExt32to64 y)))

		{name: "NE", controls: 1},
		{name: "LT", controls: 1},
		{name: "LE", controls: 1},
		{name: "GT", controls: 1},
		{name: "GE", controls: 1},
		{name: "FLT", controls: 1},
		{name: "FLE", controls: 1},
		{name: "FGT", controls: 1},
		{name: "FGE", controls: 1},
	}

	archs = append(archs, arch{
		name:               "PPC64",
		pkg:                "cmd/internal/obj/ppc64",

		{name: "TBZ", controls: 1, aux: "Int64"},  // Control & (1 << AuxInt) == 0
		{name: "TBNZ", controls: 1, aux: "Int64"}, // Control & (1 << AuxInt) != 0
		{name: "FLT", controls: 1},
		{name: "FLE", controls: 1},
		{name: "FGT", controls: 1},
		{name: "FGE", controls: 1},
		{name: "LTnoov", controls: 1}, // 'LT' but without honoring overflow
		{name: "LEnoov", controls: 1}, // 'LE' but without honoring overflow

			v_0 := b.Controls[0]
			cmp := v_0.Args[0]
			b.resetWithControl(BlockARM64EQ, cmp)
			return true
		}
	case BlockARM64FGE:
		// match: (FGE (InvertFlags cmp) yes no)
		// result: (FLE cmp yes no)
		for b.Controls[0].Op == OpARM64InvertFlags {
			v_0 := b.Controls[0]
			cmp := v_0.Args[0]
			b.resetWithControl(BlockARM64FLE, cmp)
			return true
		}
	case BlockARM64FGT:

			v_0 := b.Controls[0]
			cc := v_0.Args[0]
			b.resetWithControl(BlockPPC64FLT, cc)
			return true
		}
		// match: (If (FLessEqual cc) yes no)
		// result: (FLE cc yes no)
		for b.Controls[0].Op == OpPPC64FLessEqual {
			v_0 := b.Controls[0]
			cc := v_0.Args[0]
			b.resetWithControl(BlockPPC64FLE, cc)
			return true
		}

	BlockARM64NZ:        "NZ",
	BlockARM64ZW:        "ZW",
	BlockARM64NZW:       "NZW",
	BlockARM64TBZ:       "TBZ",
	BlockARM64TBNZ:      "TBNZ",
	BlockARM64FLT:       "FLT",
	BlockARM64FLE:       "FLE",
	BlockARM64FGT:       "FGT",
	BlockARM64FGE:       "FGE",
	BlockARM64LTnoov:    "LTnoov",
	BlockARM64LEnoov:    "LEnoov",
	BlockARM64GTnoov:    "GTnoov",
	BlockARM64GEnoov:    "GEnoov",