[PATCH] D72307: [X86] Directly emit a BROADCAST_LOAD from constant pool in lowerUINT_TO_FP_vXi32 to avoid double loads seen in D71971

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 7 01:04:29 PST 2020


RKSimon added inline comments.


================
Comment at: llvm/lib/Target/X86/X86ISelLowering.cpp:19121
                              DAG.getBitcast(MVT::v4i64, VBias));
     Or = DAG.getBitcast(MVT::v4f64, Or);
 
----------------
Could we avoid all this by using X86ISD::FOR instead?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D72307/new/

https://reviews.llvm.org/D72307





More information about the llvm-commits mailing list