Ping?

Best regards,

Thomas

On 27/03/17 12:15, Thomas Preudhomme wrote:
> Hi,
>
> Currently GCC is happy to use LDRD to perform a 64bit load on ARMv7-R,
> as shown by the testcase on this patch. However, LDRD is only atomic
> when LPAE extensions is available, which they are not for ARMv7-R. This
> commit solve the issue by introducing a new feature bit to distinguish
> LPAE extensions instead of deducing it from div instruction
> availability.
>
> ChangeLog entries are as follow:
>
> *** gcc/ChangeLog ***
>
> 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
>
>     PR target/80082
>     * config/arm/arm-protos.h (FL_LPAE): Define macro.
>     (FL_FOR_ARCH7VE): Add FL_LPAE.
>     (arm_arch_lpae): Declare extern.
>     * config/arm/arm.c (arm_arch_lpae): Declare.
>     (arm_option_override): Define arm_arch_lpae.
>     * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
>     arm_arch_lpae.
>
> *** gcc/testsuite/ChangeLog ***
>
> 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
>
>     PR target/80082
>     * gcc.target/arm/atomic_loaddi_10.c: New testcase.
>     * gcc.target/arm/atomic_loaddi_11.c: Likewise.
>
>
> Testing: bootstrapped for -march=armv7ve and testsuite shows no regression.
>
> Is this ok for gcc-6-branch?
>
> Best regards,
>
> Thomas