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// Copyright 2020 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 gc
import "testing"
var globl int64
var globl32 int32
func BenchmarkLoadAdd(b *testing.B) {
x := make([]int64, 1024)
y := make([]int64, 1024)
for i := 0; i < b.N; i++ {
var s int64
for i := range x {
s ^= x[i] + y[i]
}
globl = s
}
}
// Added for ppc64 extswsli on power9
func BenchmarkExtShift(b *testing.B) {
x := make([]int32, 1024)
for i := 0; i < b.N; i++ {
var s int64
for i := range x {
s ^= int64(x[i]+32) * 8
}
globl = s
}
}
func BenchmarkModify(b *testing.B) {
a := make([]int64, 1024)
v := globl
for i := 0; i < b.N; i++ {
for j := range a {
a[j] += v
}
}
}
func BenchmarkMullImm(b *testing.B) {
x := make([]int32, 1024)
for i := 0; i < b.N; i++ {
var s int32
for i := range x {
s += x[i] * 100
}
globl32 = s
}
}
func BenchmarkConstModify(b *testing.B) {
a := make([]int64, 1024)
for i := 0; i < b.N; i++ {
for j := range a {
a[j] += 3
}
}
}
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