D27886.diff
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D27886.diff
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	diff --git a/sys/arm64/include/atomic.h b/sys/arm64/include/atomic.h
	--- a/sys/arm64/include/atomic.h
	+++ b/sys/arm64/include/atomic.h
	@@ -409,7 +409,7 @@
	uint##t##_t mask, old, tmp; \
	int res; \
	\
	- mask = 1u << (val & 0x1f); \
	+ mask = ((uint##t##_t)1) << (val & (t - 1)); \
	__asm __volatile( \
	"1: ldxr %"#w"2, [%3]\n" \
	" "#llsc_asm_op" %"#w"0, %"#w"2, %"#w"4\n" \
	@@ -427,7 +427,7 @@
	{ \
	uint##t##_t mask, old; \
	\
	- mask = 1u << (val & 0x1f); \
	+ mask = ((uint##t##_t)1) << (val & (t - 1)); \
	__asm __volatile( \
	".arch_extension lse\n" \
	"ld"#lse_asm_op" %"#w"2, %"#w"0, [%1]\n" \