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[nvptx] Generalize bar.sync instruction
authorTom de Vries <tdevries@suse.de>
Wed, 19 Dec 2018 10:17:01 +0000 (10:17 +0000)
committerTom de Vries <vries@gcc.gnu.org>
Wed, 19 Dec 2018 10:17:01 +0000 (10:17 +0000)
commit1dcf26882b1a8c4f388ed6a618d6e4b1e1330057
tree819d7d0613f2f27c82e00fcf8178b5235c86cbeftree
parent22aa0613532c867b252ebfa681a0b74231a82efacommit | diff
[nvptx] Generalize bar.sync instruction

Allow the logical barrier operand of nvptx_barsync to be a register, and add a
thread count operand.

Build and reg-tested on x86_64 with nvptx accelerator.

2018-12-19  Tom de Vries  <tdevries@suse.de>

* config/nvptx/nvptx.md (nvptx_barsync): Add and handle operand.
* config/nvptx/nvptx.c (nvptx_wsync): Update call to gen_nvptx_barsync.

From-SVN: r267258
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