[llvm] r227584 - ARM: correct handling of .fpu directive
hans at chromium.org
Fri Jan 30 10:20:47 PST 2015
On Fri, Jan 30, 2015 at 9:58 AM, Saleem Abdulrasool
<compnerd at compnerd.org> wrote:
> Author: compnerd
> Date: Fri Jan 30 11:58:25 2015
> New Revision: 227584
> URL: http://llvm.org/viewvc/llvm-project?rev=227584&view=rev
> ARM: correct handling of .fpu directive
> The FPU directive permits the user to switch the target FPU, enabling
> instructions that would be otherwise unavailable. However, when configuring the
> new subtarget features, we would not enable the implied functions for newer
> FPUs. This would result in invalid rejection of valid input. Ensure that we
> inherit the implied FPU functionality when enabling newer versions of the FPU.
> Fortunately, these are mostly hierarchical, unlike the CPUs.
> Addresses PR22395.
Should we merge this to 3.6?
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