tree 3fad5940c624b6dcd19467837de9a39e32750af7
parent 02fc2083cc5f6dcdf8172cb396cdd6eb7b330586
author Craig Topper <craig.topper@intel.com> 1549645674 +0000
committer Craig Topper <craig.topper@intel.com> 1549645674 +0000

[X86] Remove isReMaterializable from X87 floating point constant loads and constant pool loads.

Summary: These instructions update FPSW so they aren't generically safe to rematerialize into any location if FPSW is live for a comparison result. They also use FPCW for exception masking control. Though the only exception they can generate is stack overflow and we manage the stack ourselves so that's not really going to occur.

Reviewers: RKSimon, spatel

Reviewed By: RKSimon

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D57934

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@353536 91177308-0d34-0410-b5e6-96231b3b80d8