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-rwxr-xr-xpkg/atomicbitops/atomic_bitops_arm64.s139
1 files changed, 0 insertions, 139 deletions
diff --git a/pkg/atomicbitops/atomic_bitops_arm64.s b/pkg/atomicbitops/atomic_bitops_arm64.s
deleted file mode 100755
index 97f8808c1..000000000
--- a/pkg/atomicbitops/atomic_bitops_arm64.s
+++ /dev/null
@@ -1,139 +0,0 @@
-// Copyright 2019 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build arm64
-
-#include "textflag.h"
-
-TEXT ·AndUint32(SB),$0-12
- MOVD ptr+0(FP), R0
- MOVW val+8(FP), R1
-again:
- LDAXRW (R0), R2
- ANDW R1, R2
- STLXRW R2, (R0), R3
- CBNZ R3, again
- RET
-
-TEXT ·OrUint32(SB),$0-12
- MOVD ptr+0(FP), R0
- MOVW val+8(FP), R1
-again:
- LDAXRW (R0), R2
- ORRW R1, R2
- STLXRW R2, (R0), R3
- CBNZ R3, again
- RET
-
-TEXT ·XorUint32(SB),$0-12
- MOVD ptr+0(FP), R0
- MOVW val+8(FP), R1
-again:
- LDAXRW (R0), R2
- EORW R1, R2
- STLXRW R2, (R0), R3
- CBNZ R3, again
- RET
-
-TEXT ·CompareAndSwapUint32(SB),$0-20
- MOVD addr+0(FP), R0
- MOVW old+8(FP), R1
- MOVW new+12(FP), R2
-
-again:
- LDAXRW (R0), R3
- CMPW R1, R3
- BNE done
- STLXRW R2, (R0), R4
- CBNZ R4, again
-done:
- MOVW R3, prev+16(FP)
- RET
-
-TEXT ·AndUint64(SB),$0-16
- MOVD ptr+0(FP), R0
- MOVD val+8(FP), R1
-again:
- LDAXR (R0), R2
- AND R1, R2
- STLXR R2, (R0), R3
- CBNZ R3, again
- RET
-
-TEXT ·OrUint64(SB),$0-16
- MOVD ptr+0(FP), R0
- MOVD val+8(FP), R1
-again:
- LDAXR (R0), R2
- ORR R1, R2
- STLXR R2, (R0), R3
- CBNZ R3, again
- RET
-
-TEXT ·XorUint64(SB),$0-16
- MOVD ptr+0(FP), R0
- MOVD val+8(FP), R1
-again:
- LDAXR (R0), R2
- EOR R1, R2
- STLXR R2, (R0), R3
- CBNZ R3, again
- RET
-
-TEXT ·CompareAndSwapUint64(SB),$0-32
- MOVD addr+0(FP), R0
- MOVD old+8(FP), R1
- MOVD new+16(FP), R2
-
-again:
- LDAXR (R0), R3
- CMP R1, R3
- BNE done
- STLXR R2, (R0), R4
- CBNZ R4, again
-done:
- MOVD R3, prev+24(FP)
- RET
-
-TEXT ·IncUnlessZeroInt32(SB),NOSPLIT,$0-9
- MOVD addr+0(FP), R0
-
-again:
- LDAXRW (R0), R1
- CBZ R1, fail
- ADDW $1, R1
- STLXRW R1, (R0), R2
- CBNZ R2, again
- MOVW $1, R2
- MOVB R2, ret+8(FP)
- RET
-fail:
- MOVB ZR, ret+8(FP)
- RET
-
-TEXT ·DecUnlessOneInt32(SB),NOSPLIT,$0-9
- MOVD addr+0(FP), R0
-
-again:
- LDAXRW (R0), R1
- SUBSW $1, R1, R1
- BEQ fail
- STLXRW R1, (R0), R2
- CBNZ R2, again
- MOVW $1, R2
- MOVB R2, ret+8(FP)
- RET
-fail:
- MOVB ZR, ret+8(FP)
- RET