[PATCH] D44548: [DAGCombiner] Expand combining of FP logical operations to sign-setting FP operations
Sanjay Patel via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Oct 9 07:58:43 PDT 2018
spatel added a comment.
How about enabling the hook for PPC before adding to the generic DAG combine...
Right now, you'll get something horrible for normal fabs (and fneg?) without this patch, right?
xscvdpspn 0, 1
xxsldwi 0, 0, 0, 3
mfvsrwz 3, 0
rlwinm 3, 3, 0, 1, 31
mtvsrd 0, 3
xxsldwi 0, 0, 0, 1
xscvspdpn 1, 0
Repository:
rL LLVM
https://reviews.llvm.org/D44548
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