use Cas64 in And64/Or64

Author: mauri870

src/runtime/internal/atomic/atomic_mips64x.s

@@ -370,6 +370,14 @@ TEXT ·And64(SB), NOSPLIT, $0-24
 	MOVV R4, ret+16(FP)
 	RET
 
+// func Anduintptr(addr *uintptr, v uintptr) old uintptr
+TEXT ·Anduintptr(SB), NOSPLIT, $0-24
+	JMP	·And64(SB)
+
+// func Oruintptr(addr *uintptr, v uintptr) old uintptr
+TEXT ·Oruintptr(SB), NOSPLIT, $0-24
+	JMP	·Or64(SB)
+
 // uint32 ·Load(uint32 volatile* ptr)
 TEXT ·Load(SB),NOSPLIT|NOFRAME,$0-12
 	MOVV	ptr+0(FP), R1

src/runtime/internal/atomic/atomic_mipsx.go

@@ -106,24 +106,22 @@ func Store64(addr *uint64, val uint64) {
 
 //go:nosplit
 func Or64(addr *uint64, val uint64) (old uint64) {
-	lockAndCheck(addr)
-
-	old = *addr
-	*addr = old | val
-
-	unlockNoFence()
-	return old
+	for {
+		old = *addr
+		if Cas64(addr, old, old|val) {
+			return old
+		}
+	}
 }
 
 //go:nosplit
 func And64(addr *uint64, val uint64) (old uint64) {
-	lockAndCheck(addr)
-
-	old = *addr
-	*addr = old & val
-
-	unlockNoFence()
-	return old
+	for {
+		old = *addr
+		if Cas64(addr, old, old&val) {
+			return old
+		}
+	}
 }
 
 //go:noescape

src/runtime/internal/atomic/atomic_mipsx.s

@@ -270,6 +270,14 @@ TEXT ·And32(SB), NOSPLIT, $0-12
 	MOVW R4, ret+8(FP)
 	RET
 
+// func Anduintptr(addr *uintptr, v uintptr) old uintptr
+TEXT ·Anduintptr(SB), NOSPLIT, $0-12
+	JMP	·And32(SB)
+
+// func Oruintptr(addr *uintptr, v uintptr) old uintptr
+TEXT ·Oruintptr(SB), NOSPLIT, $0-12
+	JMP	·Or32(SB)
+
 TEXT ·spinLock(SB),NOSPLIT,$0-4
 	MOVW	state+0(FP), R1
 	MOVW	$1, R2