This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: The state of glibc libm

On Wed, Mar 14, 2012 at 10:47 PM, Andi Kleen <andi@firstfloor.org> wrote:
> On Wed, Mar 14, 2012 at 09:04:53PM +0000, Joseph S. Myers wrote:
>> On Wed, 14 Mar 2012, Andi Kleen wrote:
>>
>> > One big win alone on 32bit x86 would be to use a SSE ABI for libm
>> > by default.
>>
>> I haven't checked, but I'd hope x32 does that as a better 32-bit ABI for
>> newer x86 processors.
>
> x32 is not a mainstream option.

SSE ABI entries for i?86 in glibc were rejected.  I proposed them like
4-5 years ago to make -mfpmath=sse not suck.

Richard.

> -Andi
> --
> ak@linux.intel.com -- Speaking for myself only.
Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]