http://llvm.org/bugs/show_bug.cgi?id=17548
Bug ID: 17548
Summary: Poor MMX+SSE codegen
Product: clang
Version: 3.3
Hardware: Macintosh
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: LLVM Codegen
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Noticed in FFT code in the NT2 library, please consult this MSVC ticket for
information on how to get to the code:
https://connect.microsoft.com/VisualStudio/feedback/details/804579/msvc-serious-sse-codegen-regression
Pay attention to the note in extra_registers.hpp for line 41...
- possibly related to:
http://llvm.org/bugs/show_bug.cgi?id=13292
http://llvm.org/bugs/show_bug.cgi?id=1821
http://llvm.org/bugs/show_bug.cgi?id=17547
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