Re: [PATCH, GCC/ARM, gcc-5-branch] Fix PR80082: LDRD erronously used for 64bit load on ARMv7-R

On 10/04/17 13:12, 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

Re: [PATCH, GCC/ARM, gcc-5-branch] Fix PR80082: LDRD erronously used for 64bit load on ARMv7-R

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