[llvm-bugs] [Bug 39668] New: [X86][SSE] Use maskmovdqu for masked stores for unsupported types

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Nov 14 13:55:01 PST 2018


            Bug ID: 39668
           Summary: [X86][SSE] Use maskmovdqu for masked stores for
                    unsupported types
           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: craig.topper at gmail.com, llvm-bugs at lists.llvm.org,
                    llvm-dev at redking.me.uk, spatel+llvm at rotateright.com

maskmovdqu could be used for targets which don't have wider masked store or
extract instructions, although its a non-temporal store and on some targets a
microcoded nightmare.....

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