Module Name: src
Committed By: skrll
Date: Sat Jun 18 08:01:56 UTC 2022
Modified Files:
src/common/lib/libc/arch/aarch64/atomic: __aarch64_lse.S
Log Message:
be consistent about comparing loaded value against expected old value
register ordering
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 \
src/common/lib/libc/arch/aarch64/atomic/__aarch64_lse.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/common/lib/libc/arch/aarch64/atomic/__aarch64_lse.S
diff -u src/common/lib/libc/arch/aarch64/atomic/__aarch64_lse.S:1.4 src/common/lib/libc/arch/aarch64/atomic/__aarch64_lse.S:1.5
--- src/common/lib/libc/arch/aarch64/atomic/__aarch64_lse.S:1.4 Sat Jun 18 07:55:19 2022
+++ src/common/lib/libc/arch/aarch64/atomic/__aarch64_lse.S Sat Jun 18 08:01:56 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: __aarch64_lse.S,v 1.4 2022/06/18 07:55:19 skrll Exp $ */
+/* $NetBSD: __aarch64_lse.S,v 1.5 2022/06/18 08:01:56 skrll Exp $ */
/*-
* Copyright (c) 2021 The NetBSD Foundation, Inc.
@@ -177,9 +177,9 @@ ENTRY_NP(CASP_FUNC)
mov x5, x0 /* need x0 for return value */
mov x6, x1 /* need x1 for return value */
1: LDXP x0, x1, [x4] /* load old value */
- cmp x5, x0 /* compare */
+ cmp x0, x5 /* compare */
b.ne 2f /* not equal? return */
- cmp x6, x1
+ cmp x1, x6
b.ne 2f /* not equal? return */
STXP w7, x2, x3, [x4] /* store new value */
cbnz w7, 3f /* succeed? nope, try again. */
