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[PATCH, i386]: Introduce signbit<mode>2 expander

From: Uros Bizjak <ubizjak at gmail dot com>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Date: Tue, 21 May 2019 18:01:01 +0200
Subject: [PATCH, i386]: Introduce signbit<mode>2 expander

Based on the recent work that enabled vectorization of
__builtin_signbit on aarch64.

2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>

    * config/i386/sse.md (VF1_AVX2): New mode iterator.
    (signbit<mode>2): New expander

testsuite/ChangeLog:

2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>

    * gcc.target/i386/vect-signbitf.c: New test.

Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.

Committed to mainline SVN.

Uros.

Attachment: p.diff.txt
Description: Text document

Follow-Ups:
- Re: [PATCH, i386]: Introduce signbit<mode>2 expander
  - From: Rainer Orth

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