1 files changed, 0 insertions, 43 deletions
diff --git a/src/pkg/runtime/arm/cas5.s b/src/pkg/runtime/arm/cas5.s
deleted file mode 100644
index 20bd3c3e2..000000000
--- a/src/pkg/runtime/arm/cas5.s
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright 2009 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.
-
-#include "arm/asm.h"
-
-// This version works on pre v6 architectures
-
-// bool cas(int32 *val, int32 old, int32 new)
-// Atomically:
-//	if(*val == old){
-//		*val = new;
-//		return 1;
-//	}else
-//		return 0;
-
-TEXT runtime·cas(SB),7,$0
-	MOVW	0(FP), R0	// *val
-	MOVW	4(FP), R1	// old
-	MOVW	8(FP), R2	// new
-	MOVW	$1, R3
-	MOVW	$runtime·cas_mutex(SB), R4
-l:
-	SWPW	(R4), R3	// acquire mutex
-	CMP		$0, R3
-	BNE		fail0
-	
-	MOVW	(R0), R5
-	CMP		R1, R5
-	BNE		fail1
-	
-	MOVW	R2, (R0)	
-	MOVW	R3, (R4)	// release mutex
-	MOVW	$1, R0
-	RET
-fail1:	
-	MOVW	R3, (R4)	// release mutex
-fail0:
-	MOVW	$0, R0
-	RET
- 
-DATA runtime·cas_mutex(SB)/4, $0
-GLOBL runtime·cas_mutex(SB), $4