Re: [PATCH] x86: add missed clobber for 32-bit memmove
From: H. Peter Anvin
Date: Fri Oct 17 2008 - 12:36:01 EST
Jike Song wrote:
memmove() is implemented by inline assembly. It calls std at first
and cld at last, but EFLAGS still should be clobbered.
gcc always treats EFLAGS as clobbered on x86. The "cc" clobber is
needed on some platforms, but is a noop on x86.
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