On Fri, Apr 3, 2015 at 8:51 AM, Alan Modra wrote:
> On Thu, Apr 02, 2015 at 08:02:57PM -0400, David Edelsohn wrote:
>> If the final alternative cannot occur, it should be removed as well.
>> Alan, would you please test that change also?
>
> Tested powerpc64-linux and powerpc-linux no regressions.
On Thu, Apr 02, 2015 at 08:02:57PM -0400, David Edelsohn wrote:
> If the final alternative cannot occur, it should be removed as well.
> Alan, would you please test that change also?
Tested powerpc64-linux and powerpc-linux no regressions.
* config/rs6000/rs6000.md (extenddftf2_internal):
On Thu, Apr 2, 2015 at 7:41 PM, Michael Meissner
wrote:
> On Thu, Apr 02, 2015 at 03:52:35PM +1030, Alan Modra wrote:
>> This cures an unrecognizable insn ICE by modifying a predicate of
>> extenddftf2_internal (the only place this predicate is used) to ensure
>> that rtl optimization passes do no
On Thu, Apr 02, 2015 at 03:52:35PM +1030, Alan Modra wrote:
> This cures an unrecognizable insn ICE by modifying a predicate of
> extenddftf2_internal (the only place this predicate is used) to ensure
> that rtl optimization passes do not substitute 0.0 for a register with
> known 0.0 value, except
On Thu, Apr 02, 2015 at 01:03:19PM -0400, David Edelsohn wrote:
> On Thu, Apr 2, 2015 at 1:22 AM, Alan Modra wrote:
> > This cures an unrecognizable insn ICE by modifying a predicate of
> > extenddftf2_internal (the only place this predicate is used) to ensure
> > that rtl optimization passes do n
On Thu, Apr 2, 2015 at 1:22 AM, Alan Modra wrote:
> This cures an unrecognizable insn ICE by modifying a predicate of
> extenddftf2_internal (the only place this predicate is used) to ensure
> that rtl optimization passes do not substitute 0.0 for a register with
> known 0.0 value, except when VSX
This cures an unrecognizable insn ICE by modifying a predicate of
extenddftf2_internal (the only place this predicate is used) to ensure
that rtl optimization passes do not substitute 0.0 for a register with
known 0.0 value, except when VSX is enabled. ie. Don't undo the
necessary register move em
