// 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"

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package s390x

import (
	"cmd/compile/internal/ssagen"
	"cmd/internal/obj/s390x"
)

func Init(arch *ssagen.ArchInfo) {
	arch.LinkArch = &s390x.Links390x
	arch.REGSP = s390x.REGSP
	arch.MAXWIDTH = 1 << 50

	arch.ZeroRange = zerorange
	arch.Ginsnop = ginsnop

	arch.SSAMarkMoves = ssaMarkMoves

	"loong64":  loong64.Init,
	"mips":     mips.Init,
	"mipsle":   mips.Init,
	"mips64":   mips64.Init,
	"mips64le": mips64.Init,
	"ppc64":    ppc64.Init,
	"ppc64le":  ppc64.Init,
	"riscv64":  riscv64.Init,
	"s390x":    s390x.Init,
	"wasm":     wasm.Init,
}

func main() {
	// disable timestamps for reproducible output
	log.SetFlags(0)
	log.SetPrefix("compile: ")

	buildcfg.Check()

Michael Munday <******@****.***> 1458336258 -0400

func ptrEqual() {
	// amd64:-"JEQ",-"JNE"
	// ppc64x:-"BEQ",-"BNE"
	// s390x:-"BEQ",-"BNE"
	copy(x[:], x[:])
}

func ptrOneOffset() {
	// amd64:-"JEQ",-"JNE"
	// ppc64x:-"BEQ",-"BNE"
	// s390x:-"BEQ",-"BNE"
	copy(x[1:], x[:])
}

func ptrBothOffset() {
	// amd64:-"JEQ",-"JNE"
	// ppc64x:-"BEQ",-"BNE"
	// s390x:-"BEQ",-"BNE"
	copy(x[1:], x[2:])
}

// Verify #62698 on PPC64.

[kubernetes-client-linux-s390x.tar.gz](https://dl.k8s.io/v1.27.15/kubernetes-client-linux-s390x.tar.gz) | 148e14eb6a5a231ada7a5ae66fad38d9738adb71c6eeb7115b6c3ea5a3f267418ef82695b81e3b075d8f28c4b31e83597bea93bc4d7039a3894c609492ed04e4

}

func CmpZero64(f float64) bool {
	// s390x:"LTDBR",-"FCMPU"
	return f <= 0
}

func CmpZero32(f float32) bool {
	// s390x:"LTEBR",-"CEBR"
	return f <= 0
}

func CmpWithSub(a float64, b float64) bool {
	f := a - b
	// s390x:-"LTDBR"
	return f <= 0
}

func CmpWithAdd(a float64, b float64) bool {
	f := a + b
	// s390x:-"LTDBR"
	return f <= 0
}

[kubernetes-client-linux-s390x.tar.gz](https://dl.k8s.io/v1.29.6/kubernetes-client-linux-s390x.tar.gz) | 71ac395e28ea713151c54969f293a13c770fc72ab41a4f9fa8d81239f8e06e270ccc293b9ba5c66b33a2570ef1f882737237663aa16350bef8914d8d80da25c2

}

// merge ANDconst into ubfiz.
func ubfiz9(x uint64) uint64 {
	// arm64:"UBFIZ\t[$]3, R[0-9]+, [$]12",-"LSL",-"AND"
	// s390x:"RISBGZ\t[$]49, [$]60, [$]3,",-"SLD",-"AND"
	return (x & 0xfff) << 3
}

func ubfiz10(x uint64) uint64 {
	// arm64:"UBFIZ\t[$]4, R[0-9]+, [$]12",-"LSL",-"AND"
	// s390x:"RISBGZ\t[$]48, [$]59, [$]4,",-"SLD",-"AND"
	return (x << 4) & 0xfff0
}

// ubfiz combinations

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build gc && !purego

package chacha20

import "golang.org/x/sys/cpu"

var haveAsm = cpu.S390X.HasVX

const bufSize = 256

// xorKeyStreamVX is an assembly implementation of XORKeyStream. It must only
// be called when the vector facility is available. Implementation in asm_s390x.s.
//
//go:noescape