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Re: [PATCH] Instrument bit field and unaligned accesses for TSAN
- From: Dmitry Vyukov <dvyukov at google dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: Bernd Edlinger <bernd dot edlinger at hotmail dot de>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 14 Jan 2015 20:12:13 +0400
- Subject: Re: [PATCH] Instrument bit field and unaligned accesses for TSAN
- Authentication-results: sourceware.org; auth=none
- References: <DUB118-W36BD6269214D3EE6E26A4AE4510 at phx dot gbl> <20150102190102 dot GB1667 at tucnak dot redhat dot com> <DUB118-W157955758BEE04CBCE299FE45D0 at phx dot gbl> <20150102212901 dot GG1667 at tucnak dot redhat dot com> <DUB118-W23B6AF5E187BC7CE6646AEE45D0 at phx dot gbl> <20150102221140 dot GH1667 at tucnak dot redhat dot com>
Cool! Thanks.
Gcc is again ahead of clang :)
On Sat, Jan 3, 2015 at 1:11 AM, Jakub Jelinek <jakub@redhat.com> wrote:
> On Fri, Jan 02, 2015 at 11:01:56PM +0100, Bernd Edlinger wrote:
>> gcc/ChangeLog:
>> 2015-01-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
>>
>> Instrument bit field and unaligned accesses for TSAN.
>> * sanitizer.def (BUILT_IN_TSAN_READ_RANGE): New built-in function.
>> (BUILT_IN_TSAN_WRITE_RANGE): New built-in function.
>> * tsan.c (instrument_expr): Handle COMPONENT_REF and BIT_FIELD_REF.
>> Use BUILT_IN_TSAN_READ_RANGE and BUILT_IN_TSAN_WRITE_RANGE for
>> unaligned memory regions.
>>
>> testsuite/ChangeLog:
>> 2015-01-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
>>
>> * c-c++-common/tsan/bitfield_race.c: New testcase.
>> * g++.dg/tsan/aligned_vs_unaligned_race.C: Fixed.
>
> Ok for trunk.
>
> Jakub