r280055 - in /trunk/libgcc: ChangeLog config/gc...

[kcy@gcc.gnu.org]

Author: kcy
Date: Thu Jan  9 15:35:14 2020
New Revision: 280055

URL: https://gcc.gnu.org/viewcvs?rev=280055&root=gcc&view=rev
Log:
[amdgcn] Add support for sub-word sync_compare_and_swap operations

2020-01-09  Kwok Cheung Yeung  <kcy@codesourcery.com>

	libgcc/
	* config/gcn/atomic.c: New.
	* config/gcn/t-amdgcn (LIB2ADD): Add atomic.c.

Added:
    trunk/libgcc/config/gcn/atomic.c
Modified:
    trunk/libgcc/ChangeLog
    trunk/libgcc/config/gcn/t-amdgcn