[PATCH] D36663: [X86][Haswell] Updating HSW instruction scheduling information
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Aug 20 10:15:34 PDT 2017
craig.topper added inline comments.
================
Comment at: lib/Target/X86/X86SchedHaswell.td:2722
+def HWWriteResGroup52 : SchedWriteRes<[HWPort1,HWPort23]> {
+ let Latency = 3;
+ let NumMicroOps = 2;
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gadi.haber wrote:
> craig.topper wrote:
> > Should this account for load latency?
> yes, according to the SNB architects.
If it shoudl include load latency shouldn't it have a latency of more than 3? ADDPDrr is in a group with latency 3. So shoudln't ADDPrm be more than 3?
Repository:
rL LLVM
https://reviews.llvm.org/D36663
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