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Re: [PATCH] Fix split-path-5.c testcase (PR testsuite/88454)
- From: Jeff Law <law at redhat dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Thu, 13 Dec 2018 11:46:50 -0700
- Subject: Re: [PATCH] Fix split-path-5.c testcase (PR testsuite/88454)
- References: <2bac4239-d7ef-7555-a362-cfddc6bde931@redhat.com> <20181213074953.GR12380@tucnak>
On 12/13/18 12:49 AM, Jakub Jelinek wrote:
> Hi!
>
> On Mon, Dec 10, 2018 at 09:56:46PM -0700, Jeff Law wrote:
>> Note that split-path-5 has the same basic structure. A half-diamond
>> with a single statement in the middle block that should be trivially
>> if-convertable if profitable. So I adjusted that testcase.
>
> The split-path-5.c testcase now fails on powerpc64*, arm*, aarch64* etc.
> targets.
>
> When looking for the difference, I found out it is a -fsigned-char vs.
> -funsigned-char issue, on -funsigned-char targets we are simply compiling
> something quite different.
>
> The following patch fixes it, regtested on x86_64-linux (-m64/-m32) and
> tested with cross to aarch64-linux and powerpc64-linux. Ok for trunk?
>
> 2018-12-13 Jakub Jelinek <jakub@redhat.com>
>
> PR testsuite/88454
> * gcc.dg/tree-ssa/split-path-5.c (__ctype_ptr__): Change type from
> const char * to const signed char *.
> (bmhi_init): Change pattern parameter's type the same. Use
> __builtin_strlen instead of undeclared strlen.
Yea. Interesting that we hadn't had problems with it before. THanks
for taking care of it while I was out.
jeff