cmd/compile: Move divconst_test out of test/bench/go1

This is necessary to avoid disrupting the go1 suite and gives
us a place to put other tests of basic compiler function and
correctness.

Change-Id: I36933819ff2bfe6a2121fff2be9a98efd2123d9a
Reviewed-on: https://go-review.googlesource.com/22597
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>

src/cmd/compile/internal/test/divconst_test.go

@@ -0,0 +1,73 @@
+// Copyright 2016 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 test
+
+import (
+	"testing"
+)
+
+var i64res int64
+
+func BenchmarkDivconstI64(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		i64res = int64(i) / 7
+	}
+}
+
+var u64res uint64
+
+func BenchmarkDivconstU64(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		u64res = uint64(i) / 7
+	}
+}
+
+var i32res int32
+
+func BenchmarkDivconstI32(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		i32res = int32(i) / 7
+	}
+}
+
+var u32res uint32
+
+func BenchmarkDivconstU32(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		u32res = uint32(i) / 7
+	}
+}
+
+var i16res int16
+
+func BenchmarkDivconstI16(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		i16res = int16(i) / 7
+	}
+}
+
+var u16res uint16
+
+func BenchmarkDivconstU16(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		u16res = uint16(i) / 7
+	}
+}
+
+var i8res int8
+
+func BenchmarkDivconstI8(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		i8res = int8(i) / 7
+	}
+}
+
+var u8res uint8
+
+func BenchmarkDivconstU8(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		u8res = uint8(i) / 7
+	}
+}