Gentoo Archives: gentoo-dev

From: Matt Turner <mattst88@g.o>
To: gentoo development <gentoo-dev@l.g.o>
Subject: Re: [gentoo-dev] Augmenting the CPU_FLAGS_X86 list and creating CPU_FLAGS_PPC + CPU_FLAGS_ARM
Date: Mon, 01 Aug 2016 22:58:59
Message-Id: CAEdQ38GeOhdWgdSwYarS0iKh8LqdgN-dNBAwEvLz-zJV_Mf6NQ@mail.gmail.com
In Reply to: [gentoo-dev] Augmenting the CPU_FLAGS_X86 list and creating CPU_FLAGS_PPC + CPU_FLAGS_ARM by David Seifert
1 On Mon, Aug 1, 2016 at 2:08 PM, David Seifert <soap@g.o> wrote:
2 > Dear friends,
3 > while version bumping sci-libs/fftw, I've noticed our CPU_FLAGS_X86
4 > list could be expanded a bit:
5 >
6 > avx512 - introduced with Skylake and Knights Landing
7 >
8 > I also propose creating a CPU_FLAGS_PPC variable containing (at least):
9 >
10 > altivec - PowerPC's SSE
11 > vsx - PowerPC's AVX
12 >
13 > Finally, I also propose creating CPU_FLAGS_ARM variable containing:
14 >
15 > neon
16
17 There is also "iwmmxt" (used by x11-libs/pixman) and ffmpeg has
18 armv5te, armv6, armv6t2, and armvfp.