Date: Tue, 24 Feb 2015 04:06:06 +0100 From: Denys Vlasenko <vda.linux@...glemail.com> To: Rich Felker <dalias@...c.org> Cc: musl <musl@...ts.openwall.com> Subject: Re: Draft of improved memset.s for i386 On Tue, Feb 24, 2015 at 4:02 AM, Denys Vlasenko <vda.linux@...glemail.com> wrote: > On Tue, Feb 24, 2015 at 2:09 AM, Rich Felker <dalias@...c.org> wrote: >> mov %edi,12(%esp) > > Shouldn't this be "mov 12(%esp),%edi"? > It's a load of dst pointer from stack, right? Erm... no it is not, 12(%esp) is size param. Looks like this insn serves no purpose? This will simply trash size param on stack, since %edi is not initialized.
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