Re: [Patch ARM] Allow any register for DImode values in Thumb2.

2014-04-23 Thread Ramana Radhakrishnan
On Wed, Apr 23, 2014 at 2:06 PM, Ramana Radhakrishnan wrote: > On Wed, Apr 23, 2014 at 1:53 PM, Christophe Lyon > wrote: >> On 27 February 2014 14:58, Ramana Radhakrishnan wrote: >>> Hi >>> >>> I noticed that for T32 we don't allow any old register for DImode values. >>> The restriction of an ev

Re: [Patch ARM] Allow any register for DImode values in Thumb2.

2014-04-23 Thread Ramana Radhakrishnan
On Wed, Apr 23, 2014 at 1:53 PM, Christophe Lyon wrote: > On 27 February 2014 14:58, Ramana Radhakrishnan wrote: >> Hi >> >> I noticed that for T32 we don't allow any old register for DImode values. >> The restriction of an even register is true only for ARM state because the >> ISA doesn't allow

Re: [Patch ARM] Allow any register for DImode values in Thumb2.

2014-04-23 Thread Christophe Lyon
On 27 February 2014 14:58, Ramana Radhakrishnan wrote: > Hi > > I noticed that for T32 we don't allow any old register for DImode values. > The restriction of an even register is true only for ARM state because the > ISA doesn't allow any old register in this place. In a few large .i files > that

[Patch ARM] Allow any register for DImode values in Thumb2.

2014-02-27 Thread Ramana Radhakrishnan
Hi I noticed that for T32 we don't allow any old register for DImode values. The restriction of an even register is true only for ARM state because the ISA doesn't allow any old register in this place. In a few large .i files that I had knocking about, noticed a nice drop in stack usage and a