r259967 - in /trunk/gcc: ChangeLog config/nvptx...

[vries@gcc.gnu.org]

Author: vries
Date: Sat May  5 07:56:21 2018
New Revision: 259967

URL: https://gcc.gnu.org/viewcvs?rev=259967&root=gcc&view=rev
Log:
[nvptx] Add workaround for subsequent bar.syncs

2018-05-05  Tom de Vries  <tom@codesourcery.com>

	PR target/85653
	* config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG_3): Define.
	(workaround_barsyncs): New function.
	(nvptx_reorg): Use workaround_barsyncs.
	* config/nvptx/nvptx.md (define_c_enum "unspecv"): Add UNSPECV_MEMBAR.
	(define_expand "nvptx_membar_cta"): New define_expand.
	(define_insn "*nvptx_membar_cta"): New insn.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/nvptx/nvptx.c
    trunk/gcc/config/nvptx/nvptx.md