[LLVMbugs] [Bug 21768] reassociate multiplies with fast-math

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=21768

Sanjay Patel <spatel+llvm at rotateright.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from Sanjay Patel <spatel+llvm at rotateright.com> ---
x86 reg-reg integer multiplies can now be reassociated:
http://llvm.org/viewvc/llvm-project?view=revision&revision=243756

There's no reason that the reassociation logic can't be hoisted/extended to
other architectures, so I hope this optimization will eventually make it to
other targets. There's a 'TODO' comment about this in the code.

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