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Re: [PATCH] X86-64: Add _dl_runtime_resolve_avx[512]_opt [BZ #20508]

From: Richard Henderson <rth at twiddle dot net>
To: "H.J. Lu" <hjl dot tools at gmail dot com>, Florian Weimer <fweimer at redhat dot com>
Cc: GNU C Library <libc-alpha at sourceware dot org>
Date: Mon, 29 Aug 2016 16:07:27 -0700
Subject: Re: [PATCH] X86-64: Add _dl_runtime_resolve_avx[512]_opt [BZ #20508]
Authentication-results: sourceware.org; auth=none
References: <CAMe9rOojpuFz1jTbMpNcqZK1KVDqaWozNuEuS3E67dvD3Rh=hw@mail.gmail.com> <c6e21847-bc95-3c75-ed54-798c62194072@redhat.com> <CAMe9rOp=bvrk0MBF8SrP4JqLHembRdeyfGNqNkcVWvoEs3R=tA@mail.gmail.com> <CAMe9rOo7MmGNPKct=AzzbtR564yH1P96tUcLD7pFv7GtxF3-Ng@mail.gmail.com>

On 08/26/2016 10:18 AM, H.J. Lu wrote:

+	vpcmpeqd %xmm8, %xmm8, %xmm8
+	vorpd %ymm9, %ymm10, %ymm10
+	vptest %ymm10, %ymm8


No need to create a mask of all -1; use vptest ymm10, ymm10.


r~

Follow-Ups:
- Re: [PATCH] X86-64: Add _dl_runtime_resolve_avx[512]_opt [BZ #20508]
  - From: H.J. Lu

References:
- [PATCH] X86-64: Add _dl_runtime_resolve_avx[512]_opt [BZ #20508]
  - From: H.J. Lu
- Re: [PATCH] X86-64: Add _dl_runtime_resolve_avx[512]_opt [BZ #20508]
  - From: Florian Weimer
- Re: [PATCH] X86-64: Add _dl_runtime_resolve_avx[512]_opt [BZ #20508]
  - From: H.J. Lu
- Re: [PATCH] X86-64: Add _dl_runtime_resolve_avx[512]_opt [BZ #20508]
  - From: H.J. Lu

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