1 files changed, 69 insertions, 0 deletions
diff --git a/test/codegen/comparisons.go b/test/codegen/comparisons.go
new file mode 100644
index 0000000000..40a1714519
--- /dev/null
+++ b/test/codegen/comparisons.go
@@ -0,0 +1,69 @@
+// 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
+
+import "unsafe"
+
+// This file contains code generation tests related to the comparison
+// operators.
+
+// -------------- //
+//    Equality    //
+// -------------- //
+
+// Check that compare to constant string use 2/4/8 byte compares
+
+func CompareString1(s string) bool {
+	// amd64:`CMPW\t\(.*\), [$]`
+	return s == "xx"
+}
+
+func CompareString2(s string) bool {
+	// amd64:`CMPL\t\(.*\), [$]`
+	return s == "xxxx"
+}
+
+func CompareString3(s string) bool {
+	// amd64:`CMPQ\t\(.*\), [A-Z]`
+	return s == "xxxxxxxx"
+}
+
+// Check that arrays compare use 2/4/8 byte compares
+
+func CompareArray1(a, b [2]byte) bool {
+	// amd64:`CMPW\t""[.+_a-z0-9]+\(SP\), [A-Z]`
+	return a == b
+}
+
+func CompareArray2(a, b [3]uint16) bool {
+	// amd64:`CMPL\t""[.+_a-z0-9]+\(SP\), [A-Z]`
+	// amd64:`CMPW\t""[.+_a-z0-9]+\(SP\), [A-Z]`
+	return a == b
+}
+
+func CompareArray3(a, b [3]int16) bool {
+	// amd64:`CMPL\t""[.+_a-z0-9]+\(SP\), [A-Z]`
+	// amd64:`CMPW\t""[.+_a-z0-9]+\(SP\), [A-Z]`
+	return a == b
+}
+
+func CompareArray4(a, b [12]int8) bool {
+	// amd64:`CMPQ\t""[.+_a-z0-9]+\(SP\), [A-Z]`
+	// amd64:`CMPL\t""[.+_a-z0-9]+\(SP\), [A-Z]`
+	return a == b
+}
+
+func CompareArray5(a, b [15]byte) bool {
+	// amd64:`CMPQ\t""[.+_a-z0-9]+\(SP\), [A-Z]`
+	return a == b
+}
+
+// This was a TODO in mapaccess1_faststr
+func CompareArray6(a, b unsafe.Pointer) bool {
+	// amd64:`CMPL\t\(.*\), [A-Z]`
+	return *((*[4]byte)(a)) != *((*[4]byte)(b))
+}