mirror of
https://github.com/golang/go
synced 2024-11-24 01:20:08 -07:00
66f03f79da
Change-Id: I79eb5e7d6bcb23f26d3a100e915efff6dae70391 Reviewed-on: https://go-review.googlesource.com/c/go/+/399061 Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Cherry Mui <cherryyz@google.com>
106 lines
2.2 KiB
Go
106 lines
2.2 KiB
Go
// asmcheck
|
|
|
|
// Copyright 2021 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
|
|
|
|
func andn64(x, y int64) int64 {
|
|
// amd64/v3:"ANDNQ"
|
|
return x &^ y
|
|
}
|
|
|
|
func andn32(x, y int32) int32 {
|
|
// amd64/v3:"ANDNL"
|
|
return x &^ y
|
|
}
|
|
|
|
func blsi64(x int64) int64 {
|
|
// amd64/v3:"BLSIQ"
|
|
return x & -x
|
|
}
|
|
|
|
func blsi32(x int32) int32 {
|
|
// amd64/v3:"BLSIL"
|
|
return x & -x
|
|
}
|
|
|
|
func blsmsk64(x int64) int64 {
|
|
// amd64/v3:"BLSMSKQ"
|
|
return x ^ (x - 1)
|
|
}
|
|
|
|
func blsmsk32(x int32) int32 {
|
|
// amd64/v3:"BLSMSKL"
|
|
return x ^ (x - 1)
|
|
}
|
|
|
|
func blsr64(x int64) int64 {
|
|
// amd64/v3:"BLSRQ"
|
|
return x & (x - 1)
|
|
}
|
|
|
|
func blsr32(x int32) int32 {
|
|
// amd64/v3:"BLSRL"
|
|
return x & (x - 1)
|
|
}
|
|
|
|
func sarx64(x, y int64) int64 {
|
|
// amd64/v3:"SARXQ"
|
|
return x >> y
|
|
}
|
|
|
|
func sarx32(x, y int32) int32 {
|
|
// amd64/v3:"SARXL"
|
|
return x >> y
|
|
}
|
|
|
|
func sarx64_load(x []int64, i int) int64 {
|
|
// amd64/v3: `SARXQ\t[A-Z]+[0-9]*, \([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
|
|
s := x[i] >> (i & 63)
|
|
// amd64/v3: `SARXQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
|
|
s = x[i+1] >> (s & 63)
|
|
return s
|
|
}
|
|
|
|
func sarx32_load(x []int32, i int) int32 {
|
|
// amd64/v3: `SARXL\t[A-Z]+[0-9]*, \([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
|
|
s := x[i] >> (i & 63)
|
|
// amd64/v3: `SARXL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
|
|
s = x[i+1] >> (s & 63)
|
|
return s
|
|
}
|
|
|
|
func shlrx64(x, y uint64) uint64 {
|
|
// amd64/v3:"SHRXQ"
|
|
s := x >> y
|
|
// amd64/v3:"SHLXQ"
|
|
s = s << y
|
|
return s
|
|
}
|
|
|
|
func shlrx32(x, y uint32) uint32 {
|
|
// amd64/v3:"SHRXL"
|
|
s := x >> y
|
|
// amd64/v3:"SHLXL"
|
|
s = s << y
|
|
return s
|
|
}
|
|
|
|
func shlrx64_load(x []uint64, i int, s uint64) uint64 {
|
|
// amd64/v3: `SHRXQ\t[A-Z]+[0-9]*, \([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
|
|
s = x[i] >> i
|
|
// amd64/v3: `SHLXQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
|
|
s = x[i+1] << s
|
|
return s
|
|
}
|
|
|
|
func shlrx32_load(x []uint32, i int, s uint32) uint32 {
|
|
// amd64/v3: `SHRXL\t[A-Z]+[0-9]*, \([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
|
|
s = x[i] >> i
|
|
// amd64/v3: `SHLXL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
|
|
s = x[i+1] << s
|
|
return s
|
|
}
|