[llvm] r322291 - [AArch64] Remove Unsupported = 1 flag for the WriteAtomic WriteRes.
Joel Jones via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 11 08:50:56 PST 2018
Author: joel_k_jones
Date: Thu Jan 11 08:50:56 2018
New Revision: 322291
URL: http://llvm.org/viewvc/llvm-project?rev=322291&view=rev
Log:
[AArch64] Remove Unsupported = 1 flag for the WriteAtomic WriteRes.
In practice, this patch has no effect on scheduling.
There is no test case as there already exists a comprehensive test case for
LSE Atomics.
Patch by Stefan Teleman
Differential Revision: https://reviews.llvm.org/D40694
Modified:
llvm/trunk/lib/Target/AArch64/AArch64SchedThunderX2T99.td
Modified: llvm/trunk/lib/Target/AArch64/AArch64SchedThunderX2T99.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64SchedThunderX2T99.td?rev=322291&r1=322290&r2=322291&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64SchedThunderX2T99.td (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64SchedThunderX2T99.td Thu Jan 11 08:50:56 2018
@@ -391,7 +391,7 @@ def : WriteRes<WriteBarrier, []> { let L
def : WriteRes<WriteHint, []> { let Latency = 1; }
def : WriteRes<WriteAtomic, []> {
- let Unsupported = 1;
+ let Latency = 4;
let NumMicroOps = 2;
}
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