Re: [Patch AArch64] Reinstate CANNOT_CHANGE_MODE_CLASS to fix pr67609

2015-12-14 Thread Marcus Shawcroft
On 14 December 2015 at 11:01, James Greenhalgh wrote: > On Wed, Dec 09, 2015 at 01:13:20PM +, Marcus Shawcroft wrote: >> On 27 November 2015 at 13:01, James Greenhalgh >> wrote: >> >> > 2015-11-27 James Greenhalgh >> > >> > * config/aarch64/aarch64-protos.h >> > (aarch64_c

Re: [Patch AArch64] Reinstate CANNOT_CHANGE_MODE_CLASS to fix pr67609

2015-12-14 Thread James Greenhalgh
On Wed, Dec 09, 2015 at 01:13:20PM +, Marcus Shawcroft wrote: > On 27 November 2015 at 13:01, James Greenhalgh > wrote: > > > 2015-11-27 James Greenhalgh > > > > * config/aarch64/aarch64-protos.h > > (aarch64_cannot_change_mode_class): Bring back. > > * config/aarc

Re: [Patch AArch64] Reinstate CANNOT_CHANGE_MODE_CLASS to fix pr67609

2015-12-09 Thread Marcus Shawcroft
On 27 November 2015 at 13:01, James Greenhalgh wrote: > 2015-11-27 James Greenhalgh > > * config/aarch64/aarch64-protos.h > (aarch64_cannot_change_mode_class): Bring back. > * config/aarch64/aarch64.c > (aarch64_cannot_change_mode_class): Likewise. > * c

Re: [Patch AArch64] Reinstate CANNOT_CHANGE_MODE_CLASS to fix pr67609

2015-12-09 Thread James Greenhalgh
On Fri, Nov 27, 2015 at 01:01:01PM +, James Greenhalgh wrote: > This patch follow Richard Henderson's advice to tighten up > CANNOT_CHANGE_MODE_CLASS for AArch64 to avoid a simplification bug in > the middle-end. > > There is nothing AArch64-specific about the testcase which triggers this, > s

Re: [Patch AArch64] Reinstate CANNOT_CHANGE_MODE_CLASS to fix pr67609

2015-11-27 Thread Richard Biener
On Fri, Nov 27, 2015 at 2:01 PM, James Greenhalgh wrote: > > Hi, > > This patch follow Richard Henderson's advice to tighten up > CANNOT_CHANGE_MODE_CLASS for AArch64 to avoid a simplification bug in > the middle-end. > > There is nothing AArch64-specific about the testcase which triggers this, >