Hi Michael, On 21 March 2013 03:00, Richard Henderson <r...@redhat.com> wrote: > On 03/18/2013 05:48 AM, David Holsgrove wrote: >> * gcc/config/microblaze/sync.md: New file. >> * gcc/config/microblaze/microblaze.md: Add UNSPEC_SYNC_CAS, >> UNSPEC_SYNC_XCHG and include sync.md. >> * gcc/config/microblaze/microblaze.c: Add print_operand 'y'. >> * gcc/config/microblaze/constraints.md: Add memory_contraint >> 'Q' which is a single register. > > Do not add new __sync implementations. Use the __atomic builtins. > > > r~
Please find attached reworked patch using __atomic builtin. Changelog entry would be; 2013-07-15 David Holsgrove <david.holsgr...@xilinx.com> * gcc/config/microblaze/sync.md: New file. * gcc/config/microblaze/microblaze.md: Include sync.md * gcc/config/microblaze/microblaze.c: Add print_operand 'y'. * gcc/config/microblaze/constraints.md: Add memory_contraint 'Q' which is a single register. thanks, David
0004-Patch-microblaze-Add-4-byte-implementation-for-atomi.patch
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