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: unassignedb...@nondot.org
Reporter: sland...@gmail.com
CC: llvm-bugs@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
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