1 files changed, 64 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/gc/bench_test.go b/src/cmd/compile/internal/gc/bench_test.go
new file mode 100644
index 0000000..8c42881
--- /dev/null
+++ b/src/cmd/compile/internal/gc/bench_test.go
@@ -0,0 +1,64 @@
+// 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
+		}
+	}
+}