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2 Commits

Author SHA1 Message Date
Xi Ruoyao
17fcc4bd7e LoongArch: Simplify __arch_bitrev32() implementation 
LoongArch has the bitrev.w instruction to reverse bits in a 32-bit
integer, thus there's no need to reverse the bytes and use bitrev.4b.

Signed-off-by: Xi Ruoyao <xry111@xry111.site>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
 2025-12-06 10:39:39 +08:00
Huacai Chen
5b0b14e550 LoongArch: Add atomic/locking headers 
Add common headers (atomic, bitops, barrier and locking) for basic
LoongArch support.

Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
 2022-06-03 20:09:28 +08:00