Re: [4.8.[01]] PowerPC di->ti widening multiplication

2013-01-30 Thread Jakub Jelinek
On Wed, Jan 30, 2013 at 04:27:57PM -0500, David Edelsohn wrote: > On Wed, Jan 30, 2013 at 1:17 PM, Richard Henderson wrote: > > For gcc 4.9, I intend to ensure that optabs.c can make automatic use of > > [us]mul_highpart. There are plenty of targets that only implement > > _highpart but not the w

Re: [4.8.[01]] PowerPC di->ti widening multiplication

2013-01-30 Thread David Edelsohn
On Wed, Jan 30, 2013 at 1:17 PM, Richard Henderson wrote: > For gcc 4.9, I intend to ensure that optabs.c can make automatic use of > [us]mul_highpart. There are plenty of targets that only implement > _highpart but not the widening pattern. But that's not something that would > be appropriate a

[4.8.[01]] PowerPC di->ti widening multiplication

2013-01-30 Thread Richard Henderson
For gcc 4.9, I intend to ensure that optabs.c can make automatic use of [us]mul_highpart. There are plenty of targets that only implement _highpart but not the widening pattern. But that's not something that would be appropriate at this stage in the 4.8 cycle. Whether this patch is appropria