date:20181121

Re: Question about make_extraction() in combine.c

2018-11-21 Thread Segher Boessenkool

On Tue, Nov 20, 2018 at 10:07:35AM -0800, Michael Eager wrote: > The internal RTL should not be dictating what the target arch can or > cannot implement. Reload should insert any needed conversions, > especially ones which narrow the size. Well, that depends. A zero_extract of mem is only defi

Re: Question about make_extraction() in combine.c

2018-11-21 Thread Michael Eager

On 11/21/2018 08:33 AM, Segher Boessenkool wrote: On Tue, Nov 20, 2018 at 10:07:35AM -0800, Michael Eager wrote: The internal RTL should not be dictating what the target arch can or cannot implement. Reload should insert any needed conversions, especially ones which narrow the size. Well, tha

Re: Question about make_extraction() in combine.c

2018-11-21 Thread Segher Boessenkool

On Wed, Nov 21, 2018 at 08:52:21AM -0800, Michael Eager wrote: > On 11/21/2018 08:33 AM, Segher Boessenkool wrote: > >On Tue, Nov 20, 2018 at 10:07:35AM -0800, Michael Eager wrote: > >>The internal RTL should not be dictating what the target arch can or > >>cannot implement. Reload should insert a

Re: Question about make_extraction() in combine.c

2018-11-21 Thread Michael Eager

On 11/21/18 11:47, Segher Boessenkool wrote: On Wed, Nov 21, 2018 at 08:52:21AM -0800, Michael Eager wrote: On 11/21/2018 08:33 AM, Segher Boessenkool wrote: On Tue, Nov 20, 2018 at 10:07:35AM -0800, Michael Eager wrote: The internal RTL should not be dictating what the target arch can or cann