[PATCH] D96098: [X86] Don't pass a 1 to the secon argument of ISD::FP_ROUND in LowerFCOPYSIGN.

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Feb 4 23:28:34 PST 2021


craig.topper updated this revision to Diff 321664.
craig.topper added a comment.

clang-format


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D96098/new/

https://reviews.llvm.org/D96098

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp


Index: llvm/lib/Target/X86/X86ISelLowering.cpp
===================================================================
--- llvm/lib/Target/X86/X86ISelLowering.cpp
+++ llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -21900,7 +21900,8 @@
 
   // And if it is bigger, shrink it first.
   if (Sign.getSimpleValueType().bitsGT(VT))
-    Sign = DAG.getNode(ISD::FP_ROUND, dl, VT, Sign, DAG.getIntPtrConstant(1, dl));
+    Sign =
+        DAG.getNode(ISD::FP_ROUND, dl, VT, Sign, DAG.getIntPtrConstant(0, dl));
 
   // At this point the operands and the result should have the same
   // type, and that won't be f80 since that is not custom lowered.


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