[LLVMbugs] [Bug 9432] New: 22% slowdown of flops-7 with list-ilp on i386, -7% on x86_64

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=9432

           Summary: 22% slowdown of flops-7 with list-ilp on i386, -7% on
                    x86_64
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: atrick at apple.com
                CC: llvmbugs at cs.uiuc.edu


When list-ilp was enabled by default on 2011-03-07,
SingleSource/Benchmarks/Misc/flops-7.exec slowed down by 22%
vs. list-burr (it now takes 29% more time to execute).  My x86_64
tester only showed a 7% slowdown. The nightly x86_64 tester showed no change.

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