[llvm-bugs] [Bug 43711] New: [AMDGPU] fneg optimized to xor with sign bit removed

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=43711

            Bug ID: 43711
           Summary: [AMDGPU] fneg optimized to xor with sign bit removed
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: samuel.pitoiset at gmail.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

We implemented a workaround in Mesa [1]. It shouldn't be needed and fneg should
always return a canonicalized result.

[1]
https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2322/diffs?commit_id=2c2aaf275c1edba38c552ac74de4d46bb2ebfbe8

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20191018/bc96afa5/attachment.html>