(BRC {s390x.Less}           (CMPconst  x [ 128]) yes no) => (CGIJ {s390x.LessOrEqual}    x [ 127] yes no)
(BRC {s390x.Less}           (CMPWconst x [ 128]) yes no) => (CIJ  {s390x.LessOrEqual}    x [ 127] yes no)
(BRC {s390x.LessOrEqual}    (CMPconst  x [-129]) yes no) => (CGIJ {s390x.Less}           x [-128] yes no)
(BRC {s390x.LessOrEqual}    (CMPWconst x [-129]) yes no) => (CIJ  {s390x.Less}           x [-128] yes no)

        echo "OS: ${os} JDK: ${jdk} => Label: ${osLabel} JDK: ${jdkName} Arch: s390x"

        String stageId = "${os}-jdk${jdk}-s390x"
        String stageLabel = "Run ITs ${os.capitalize()} Java ${jdk} on s390x"
        runITsTasks[stageId] = {
            node('s390x') {
                stage("${stageLabel}") {
                    echo "NODE_NAME = ${env.NODE_NAME}"

Srinivas Pokala <******@****.***> 1697447930 +0200

golang.org/******@****.***-s390x

-- .mod --
module golang.org/toolchain
-- .info --
{"Version":"v0.0.1-go1.999testmod.linux-s390x"}
-- go.mod --
module golang.org/toolchain
-- bin/go --
#!/bin/sh
echo go1.999testmod here!
-- bin/gofmt --
echo i am unused

	if cnt > clearLoopCutoff {
		ireg := int16(s390x.REGRT2) // register holds number of remaining loop iterations
		p = pp.Append(p, s390x.AMOVD, obj.TYPE_CONST, 0, cnt/256, obj.TYPE_REG, ireg, 0)
		p = pp.Append(p, s390x.ACLEAR, obj.TYPE_CONST, 0, 256, obj.TYPE_MEM, reg, off)
		pl := p
		p = pp.Append(p, s390x.AADD, obj.TYPE_CONST, 0, 256, obj.TYPE_REG, reg, 0)
		p = pp.Append(p, s390x.ABRCTG, obj.TYPE_REG, ireg, 0, obj.TYPE_BRANCH, 0, 0)

func LeadingZeros(n uint) int {
	// amd64/v1,amd64/v2:"BSRQ"
	// amd64/v3:"LZCNTQ", -"BSRQ"
	// s390x:"FLOGR"
	// arm:"CLZ" arm64:"CLZ"
	// mips:"CLZ"
	// wasm:"I64Clz"
	// ppc64x:"CNTLZD"
	return bits.LeadingZeros(n)
}

func LeadingZeros64(n uint64) int {
	// amd64/v1,amd64/v2:"BSRQ"
	// amd64/v3:"LZCNTQ", -"BSRQ"
	// s390x:"FLOGR"
	// arm:"CLZ" arm64:"CLZ"
	// mips:"CLZ"
	// wasm:"I64Clz"
	// ppc64x:"CNTLZD"

	// s390x:"CGIJ\t[$]12, R[0-9]+, [$]127, "
	for i := doNotOptimize; i < 128; i++ {
		dummy()
	}

	// s390x:"CGIJ\t[$]10, R[0-9]+, [$]-128, "
	for i := doNotOptimize; i > -129; i-- {
		dummy()
	}

	// s390x:"CGIJ\t[$]2, R[0-9]+, [$]127, "
	for i := doNotOptimize; i >= 128; i++ {
		dummy()
	}

	// s390x:"CGIJ\t[$]4, R[0-9]+, [$]-128, "

		// result: (BRC {c&^s390x.Unordered} x yes no)
		for b.Controls[0].Op == OpS390XCMPU {
			x := b.Controls[0]
			c := auxToS390xCCMask(b.Aux)
			if !(c&s390x.Unordered != 0) {
				break
			}
			b.resetWithControl(BlockS390XBRC, x)
			b.Aux = s390xCCMaskToAux(c &^ s390x.Unordered)
			return true
		}
		// match: (BRC {c} x:(CMPWU _ _) yes no)
		// cond: c&s390x.Unordered != 0

		switch t.Size() {
		case 4:
			return s390x.AFMOVS
		case 8:
			return s390x.AFMOVD
		}
	} else {
		switch t.Size() {
		case 1:
			if t.IsSigned() {
				return s390x.AMOVB
			} else {
				return s390x.AMOVBZ
			}
		case 2:
			if t.IsSigned() {
				return s390x.AMOVH
			} else {
				return s390x.AMOVHZ
			}
		case 4:
			if t.IsSigned() {
				return s390x.AMOVW
			} else {
				return s390x.AMOVWZ

	// amd64:"ROUNDSD\t[$]2"
	// s390x:"FIDBR\t[$]6"
	// arm64:"FRINTPD"
	// ppc64x:"FRIP"
	// wasm:"F64Ceil"
	sink64[0] = math.Ceil(x)

	// amd64/v2:-".*x86HasSSE41" amd64/v3:-".*x86HasSSE41"
	// amd64:"ROUNDSD\t[$]1"
	// s390x:"FIDBR\t[$]7"
	// arm64:"FRINTMD"
	// ppc64x:"FRIM"
	// wasm:"F64Floor"
	sink64[1] = math.Floor(x)

	// s390x:"FIDBR\t[$]1"
	// arm64:"FRINTAD"
	// ppc64x:"FRIN"