[llvm-bugs] [Bug 38475] New: multiply intrinsic that returns high bits

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=38475

            Bug ID: 38475
           Summary: multiply intrinsic that returns high bits
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: slandden at gmail.com
                CC: llvm-bugs at lists.llvm.org

mips and sh4[1] have multiply instructions that return a type twice as wide as
the operands and do not overflow. It would be nice if llvm knew how to use
these instructions.

[1] http://www.shared-ptr.com/sh_insns.html

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20180807/e64ba2b3/attachment.html>