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Re: Fix PR rtl-optimization/70007

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>
Cc: Eric Botcazou <ebotcazou at adacore dot com>
Date: Wed, 2 Mar 2016 00:37:37 +0100
Subject: Re: Fix PR rtl-optimization/70007
Authentication-results: sourceware.org; auth=none

Hello!

> 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
>
> PR rtl-optimization/70007
> * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
> references present in REG_EQUAL notes attached to non-SET patterns.
>
>
> 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
>
> * gcc.target/i386/pr70007.c: New test.

The testcase will fail due to several problems:
- warning: large integer implicitly truncated to unsigned type [-Woverflow]
- warning: AVX vector argument without AVX enabled changes the ABI [-Wpsabi]
- missing int128 effective target check
- missing runtime checks for BMI2 ISA support

Attached patch fixes all of them.

Uros.

Attachment: t.diff.txt
Description: Text document

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