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// asmcheck
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package codegen
// ------------------ //
// masked shifts //
// ------------------ //
func lshMask64x64(v int64, s uint64) int64 {
// s390x:-".*AND",-".*MOVDGE"
return v << (s&63)
}
func rshMask64Ux64(v uint64, s uint64) uint64 {
// s390x:-".*AND",-".*MOVDGE"
return v >> (s&63)
}
func rshMask64x64(v int64, s uint64) int64 {
// s390x:-".*AND",-".*MOVDGE"
return v >> (s&63)
}
func lshMask32x64(v int32, s uint64) int32 {
// s390x:-".*AND",-".*MOVDGE"
return v << (s&63)
}
func rshMask32Ux64(v uint32, s uint64) uint32 {
// s390x:-".*AND",-".*MOVDGE"
return v >> (s&63)
}
func rshMask32x64(v int32, s uint64) int32 {
// s390x:-".*AND",-".*MOVDGE"
return v >> (s&63)
}
func lshMask64x32(v int64, s uint32) int64 {
// s390x:-".*AND",-".*MOVDGE"
return v << (s&63)
}
func rshMask64Ux32(v uint64, s uint32) uint64 {
// s390x:-".*AND",-".*MOVDGE"
return v >> (s&63)
}
func rshMask64x32(v int64, s uint32) int64 {
// s390x:-".*AND",-".*MOVDGE"
return v >> (s&63)
}
func lshMask64x32Ext(v int64, s int32) int64 {
// s390x:-".*AND",-".*MOVDGE"
return v << uint(s&63)
}
func rshMask64Ux32Ext(v uint64, s int32) uint64 {
// s390x:-".*AND",-".*MOVDGE"
return v >> uint(s&63)
}
func rshMask64x32Ext(v int64, s int32) int64 {
// s390x:-".*AND",-".*MOVDGE"
return v >> uint(s&63)
}
// ------------------ //
// bounded shifts //
// ------------------ //
func lshGuarded64(v int64, s uint) int64 {
if s < 64 {
// s390x:-".*AND",-".*MOVDGE"
return v >> s
}
panic("shift too large")
}
func rshGuarded64U(v uint64, s uint) uint64 {
if s < 64 {
// s390x:-".*AND",-".*MOVDGE"
return v >> s
}
panic("shift too large")
}
func rshGuarded64(v int64, s uint) int64 {
if s < 64 {
// s390x:-".*AND",-".*MOVDGE"
return v << s
}
panic("shift too large")
}
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