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Re: [PATCH 12/15] PowerPC: multiarch isinf/isinff for PowerPC64
- From: Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>
- To: libc-alpha at sourceware dot org
- Date: Thu, 12 Dec 2013 22:07:22 -0200
- Subject: Re: [PATCH 12/15] PowerPC: multiarch isinf/isinff for PowerPC64
- Authentication-results: sourceware.org; auth=none
- References: <52A9B1C5 dot 7040201 at linux dot vnet dot ibm dot com> <52A9BA31 dot 9050805 at linux dot vnet dot ibm dot com> <1386888124 dot 30838 dot 14 dot camel at oc8268013063 dot ibm dot com>
On 12-12-2013 20:42, Steven Munroe wrote:
> On Thu, 2013-12-12 at 11:29 -0200, Adhemerval Zanella wrote:
>> 2013-12-09 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
>>
>> * sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile: Add isinf and
>> isinff multiarch implementation.
>> * sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf-power7.S: New
>> file.
>> * sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf-ppc64.S: New file.
>> * sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf.c: New file:
>> multiarch isinf for PPC64.
>> * sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff-ppc64.c: New
>> file.
>> * sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff.c: New file:
>> multiarch isinff for PPC64.
>>
>> --
> Looks OK. For power8 look at if ftdiv or register transfer and bit masj
> performs better.
>
Yes, this and finite as well is on my radar for p8 opt.