Re: [AArch64] Tighten address register subreg checks

2017-08-30 Thread James Greenhalgh
On Tue, Aug 22, 2017 at 10:25:02AM +0100, Richard Sandiford wrote: > Previously we allowed subregs of non-GPR modes to be base and index > registers in non-strict mode. In practice such subregs will always > require a reload, so we get better code by disallowing them. Makes sense. > Tested on aa

[AArch64] Tighten address register subreg checks

2017-08-22 Thread Richard Sandiford
Previously we allowed subregs of non-GPR modes to be base and index registers in non-strict mode. In practice such subregs will always require a reload, so we get better code by disallowing them. Tested on aarch64-linux-gnu. OK to install? Richard 2017-08-22 Richard Sandiford A