[PATCH] D35192: [ARM] Use ADDCARRY / SUBCARRY
Eli Friedman via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jul 18 10:32:59 PDT 2017
efriedma added inline comments.
================
Comment at: lib/Target/ARM/ARMISelLowering.cpp:4014
+ Overflow = DAG.getNode(ARMISD::SUBC, dl, VTs,
+ DAG.getConstant(1, dl, MVT::i32), Overflow);
+ break;
----------------
Could you use ISD::SUB here, rather than ARMISD::SUBC?
https://reviews.llvm.org/D35192
More information about the llvm-commits
mailing list