[PATCH] Instrument bit field and unaligned accesses for TSAN

[Jakub Jelinek]

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