[llvm-bugs] [Bug 39188] New: [X86] Broadwell load latencies don't match similar targets

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Oct 5 05:57:42 PDT 2018


            Bug ID: 39188
           Summary: [X86] Broadwell load latencies don't match similar
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: llvm-dev at redking.me.uk
                CC: clement.courbet at gmail.com, craig.topper at gmail.com,
                    llvm-bugs at lists.llvm.org

The Broadwell scheduler model indicates that it has faster load latencies than
both the previous Haswell and the successor Skylake targets.

Its more likely the Broadwell are incorrect.

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