runtime: added mips64{,le} build tags and GOARCH cases

Change-Id: I381c03d957a0dccae5f655f02e92760e5c0e9629
Reviewed-on: https://go-review.googlesource.com/14929
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Minux Ma <minux@golang.org>

src/runtime/cputicks.go

@@ -4,6 +4,8 @@
 
 // +build !arm
 // +build !arm64
+// +build !mips64
+// +build !mips64le
 
 package runtime
 

src/runtime/gcinfo_test.go

@@ -144,7 +144,7 @@ func infoBigStruct() []byte {
 			typeScalar, typeScalar, typeScalar, typeScalar, // t int; y uint16; u uint64
 			typePointer, typeScalar, // i string
 		}
-	case "arm64", "amd64", "ppc64", "ppc64le":
+	case "arm64", "amd64", "mips64", "mips64le", "ppc64", "ppc64le":
 		return []byte{
 			typePointer,                        // q *int
 			typeScalar, typeScalar, typeScalar, // w byte; e [17]byte

src/runtime/hash64.go

@@ -6,7 +6,7 @@
 //   xxhash: https://code.google.com/p/xxhash/
 // cityhash: https://code.google.com/p/cityhash/
 
-// +build amd64 amd64p32 arm64 ppc64 ppc64le
+// +build amd64 amd64p32 arm64 mips64 mips64le ppc64 ppc64le
 
 package runtime
 

src/runtime/noasm.go

@@ -4,7 +4,7 @@
 
 // Routines that are implemented in assembly in asm_{amd64,386,arm,arm64,ppc64x}.s
 
-// +build ignore
+// +build mips64 mips64le
 
 package runtime
 

src/runtime/runtime-gdb_test.go

@@ -103,7 +103,7 @@ func TestGdbPython(t *testing.T) {
 	// stack frames on RISC architectures.
 	canBackTrace := false
 	switch runtime.GOARCH {
-	case "amd64", "386", "ppc64", "ppc64le", "arm", "arm64":
+	case "amd64", "386", "ppc64", "ppc64le", "arm", "arm64", "mips64", "mips64le":
 		canBackTrace = true
 		args = append(args,
 			"-ex", "echo BEGIN goroutine 2 bt\n",

src/runtime/unaligned2.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build arm ppc64 ppc64le
+// +build arm ppc64 ppc64le mips64 mips64le
 
 package runtime