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Re: [PATCH] Multiarch optimization for strncat on PowerPC64
- From: Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>
- To: libc-alpha at sourceware dot org
- Date: Thu, 06 Mar 2014 09:43:43 -0300
- Subject: Re: [PATCH] Multiarch optimization for strncat on PowerPC64
- Authentication-results: sourceware.org; auth=none
- References: <5310CE87 dot 7040406 at linux dot vnet dot ibm dot com> <5315E8D2 dot 2010201 at linux dot vnet dot ibm dot com> <53184F47 dot 3030307 at linux dot vnet dot ibm dot com> <53186C49 dot 6000006 at linux dot vnet dot ibm dot com>
On 06-03-2014 09:38, Adhemerval Zanella wrote:
> On 06-03-2014 07:34, R Vidya wrote:
>> > +#define FRAMESIZE (FRAME_MIN_SIZE+112)
> Your implementation does not uses 112 bytes of stack, I think you mean plus 3 (the r29, r30, r31)
> you save.
>
And remember the stack needs to be quadword aligned (that's why the original 144).