On 8/28/19 12:33 PM, Segher Boessenkool wrote:
Hi!
On Tue, Aug 27, 2019 at 09:37:59AM -0700, Michael Eager wrote:
Combine is complex, but I don't think that target descriptions should
conform to its behaviors;
But they have to, in some ways. If combine writes something that can be
written in
Hi!
On Tue, Aug 27, 2019 at 09:37:59AM -0700, Michael Eager wrote:
> Combine is complex, but I don't think that target descriptions should
> conform to its behaviors;
But they have to, in some ways. If combine writes something that can be
written in multiple ways in some way X, then your machin
On 8/20/19 4:07 PM, Jeff Law wrote:
On 11/20/18 4:39 PM, Michael Eager wrote:
On 11/20/2018 03:10 PM, Jeff Law wrote:
On 11/20/18 11:07 AM, Michael Eager wrote:
On 11/18/2018 08:14 AM, Jeff Law wrote:
On 11/18/18 8:44 AM, Michael Eager wrote:
On 11/16/18 14:50, Segher Boessenkool wrote:
H
On 11/21/18 9:33 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.
>
>
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
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
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
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
On 11/20/18 11:07 AM, Michael Eager wrote:
> On 11/18/2018 08:14 AM, Jeff Law wrote:
>> On 11/18/18 8:44 AM, Michael Eager wrote:
>>> On 11/16/18 14:50, Segher Boessenkool wrote:
Hi!
On Wed, Nov 14, 2018 at 11:22:58AM -0800, Michael Eager wrote:
> The (mem:SI) is converted to (me
On 11/18/2018 08:14 AM, Jeff Law wrote:
On 11/18/18 8:44 AM, Michael Eager wrote:
On 11/16/18 14:50, Segher Boessenkool wrote:
Hi!
On Wed, Nov 14, 2018 at 11:22:58AM -0800, Michael Eager wrote:
The (mem:SI) is converted to (mem:QI).
The return from make_extract() is
(zero_extract:SI (me
In combine, simplify_comparison() is being called with the following
arguments:
code = EQ
op0 = (and:SI (mem:SI (reg/v/f:SI 50 [ gp ]) (const_int 4 [0x4]))
op1 = (const_int 0 [0])
After churning down through make_compound_operation() and
make_compound_operation_int(), processing gets to
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