[llvm-bugs] [Bug 27108] New: __builtin_sqrtf vs sqrtf and vectorization

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=27108

            Bug ID: 27108
           Summary: __builtin_sqrtf vs sqrtf and vectorization
           Product: new-bugs
           Version: 3.8
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: steven at uplinklabs.net
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 16110
  --> https://llvm.org/bugs/attachment.cgi?id=16110&action=edit
test case

The auto-vectorizer behaves vastly differently depending on whether you use
__builtin_sqrtf or a sqrtf() call from math.h. Attaching examples momentarily.

-- 
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/20160329/29a6ea45/attachment.html>