[Bug tree-optimization/59617] [vectorizer] ICE in vectorizable_mask_load_store with AVX-512F's gathers enabled.

["kirill.yukhin at intel dot com" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59617

--- Comment #16 from Yukhin Kirill <kirill.yukhin at intel dot com> ---
(In reply to Dominique d'Humieres from comment #15)
> 19:02:01.000000000 +0100
> +++ gcc/testsuite/gcc.target/i386/avx512f-gather-5.c	2014-04-03
> 15:17:05.000000000 +0200
> @@ -1,5 +1,6 @@
>  /* { dg-do compile } */
>  /* { dg-options "-O3 -mavx512f" } */
> +/* { dg-additional-options "-std=c99" { target *-*-darwin* } } */
>  
>  #include "avx512f-gather-4.c"

Then I think we need to add such a line in all files with __restrict keyword.
>From gcc-bugs-return-448197-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Apr 03 13:25:08 2014
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From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/59617] [vectorizer] ICE in vectorizable_mask_load_store with AVX-512F's gathers enabled.
Date: Thu, 03 Apr 2014 13:25:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59617

--- Comment #17 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Iain Sandoe from comment #14)
> (In reply to Dominique d'Humieres from comment #13)
> > Another option would be to add -std=c99 for darwin.
> 
> I would suggest that this is the Right Thing to do.

There is quite some usage of __restrict in gcc.target/i386/ directory. Why
doesn't this problem trigger with e.g. avx2-gather-4.c, which also uses
__restrict?
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Subject: [Bug target/60609] [4.8/4.9 Regression] Error: value of 256 too large for field of 1 bytes at 68242
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id`609

--- Comment #5 from Charles Baylis <charles.baylis at linaro dot org> ---

I have proposed a fix for this:

http://gcc.gnu.org/ml/gcc-patches/2014-04/msg00122.html