Re: [RFC: AArch64] Parametrically set defaults for function and jump alignment

2014-11-14 Thread Ramana Radhakrishnan
On Fri, Nov 14, 2014 at 11:11 AM, Marcus Shawcroft wrote: > On 14 November 2014 10:50, James Greenhalgh wrote: >> On Fri, Nov 14, 2014 at 10:42:27AM +, Andrew Pinski wrote: >>> On Fri, Nov 14, 2014 at 2:35 AM, James Greenhalgh >>> wrote: >>> > >>> > Hi, >>> > >>> > We currently do not set an

Re: [RFC: AArch64] Parametrically set defaults for function and jump alignment

2014-11-14 Thread Marcus Shawcroft
On 14 November 2014 10:50, James Greenhalgh wrote: > On Fri, Nov 14, 2014 at 10:42:27AM +, Andrew Pinski wrote: >> On Fri, Nov 14, 2014 at 2:35 AM, James Greenhalgh >> wrote: >> > >> > Hi, >> > >> > We currently do not set any interesting default values for jump and >> > function >> > alignm

Re: [RFC: AArch64] Parametrically set defaults for function and jump alignment

2014-11-14 Thread James Greenhalgh
On Fri, Nov 14, 2014 at 10:42:27AM +, Andrew Pinski wrote: > On Fri, Nov 14, 2014 at 2:35 AM, James Greenhalgh > wrote: > > > > Hi, > > > > We currently do not set any interesting default values for jump and function > > alignment in AArch64. I've made the formula for these values derive from

Re: [RFC: AArch64] Parametrically set defaults for function and jump alignment

2014-11-14 Thread Andrew Pinski
On Fri, Nov 14, 2014 at 2:35 AM, James Greenhalgh wrote: > > Hi, > > We currently do not set any interesting default values for jump and function > alignment in AArch64. I've made the formula for these values derive from > the issue rate of the processor as so: > > jumps: 4 * processor issue-rat