[LLVMbugs] [Bug 6215] New: Target dependent selection of intrinsics

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=6215

           Summary: Target dependent selection of intrinsics
           Product: libraries
           Version: 2.6
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: llvm at henning-thielemann.de
                CC: llvmbugs at cs.uiuc.edu


Using the LLVM interface for Haskell I generate, compile and run llvm code at
runtime of a Haskell program. I want to make use of special SSE commands like
'haddps', 'minps', 'dpps' if the corresponding SSE intruction set is available
on the machine the program runs on. I have found that X86Subtarget has methods
hasSSE3 and friends that would solve the problem. However, they do not seem to
be available in the C interface.
Thus my feature request is to add according functions to the C interface to
LLVM or to extend documentation by a paragraph on how to access hasSSE checks
with the current C interface. Maybe I have to write such C wrappers myself?


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