| Commit message (Collapse) | Author | Age | Files | Lines | |
|---|---|---|---|---|---|
| * | lib: add weak clz/ctz functions | Lucas Stach | 2018-02-21 | 1 | -0/+59 |
| This is a copy of the Linux kernel implementation. This adds weak functions for the clz and ctz gcc builtins. Normally GCC will map those builtins to CPU instructions directly, but for CPUs where those are unavailable, we need to provide a fallback implementation. Fixes build of the zlib decompressor on ARMv4 CPUs. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> | |||||
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