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Re: [PATCH] Enhance tst-xmmymm.sh to detect zmm register usage in ld.so
- From: "Carlos O'Donell" <carlos at redhat dot com>
- To: Siddhesh Poyarekar <siddhesh at redhat dot com>, libc-alpha at sourceware dot org
- Date: Thu, 11 Sep 2014 16:01:29 -0400
- Subject: Re: [PATCH] Enhance tst-xmmymm.sh to detect zmm register usage in ld.so
- Authentication-results: sourceware.org; auth=none
- References: <20140911173002 dot GJ14885 at spoyarek dot pnq dot redhat dot com> <5411FA64 dot 9060509 at redhat dot com>
On 09/11/2014 03:39 PM, Carlos O'Donell wrote:
> On 09/11/2014 01:30 PM, Siddhesh Poyarekar wrote:
>> Hi,
>>
>> 2d63a517e4084ec80403cd9f278690fa8b676cc4 added support to save and
>> restore zmm register in the dynamic linker, but did not enhance
>> test-xmmymm.sh to detect accidental usage of these registers. The
>> patch below adds that check.
>>
>> Tested on x86_64 by injecting an instruction into dl-runtime.os.
>>
>> Siddhesh
>>
>> * sysdeps/x86/tst-xmmymm.sh: Check for zmm register usage.
[BZ #16194]
c.