On 2/22/24 2:08 PM, Jakub Jelinek wrote:
On Thu, Feb 22, 2024 at 12:59:18PM -0800, Greg McGary wrote:
The sign bit of a sign-extending load cannot be known until runtime,
so don't attempt to simplify it in the combiner.
2024-02-22 Greg McGary
PR rtl-optimization/113010
*
On Thu, Feb 22, 2024 at 12:59:18PM -0800, Greg McGary wrote:
> The sign bit of a sign-extending load cannot be known until runtime,
> so don't attempt to simplify it in the combiner.
>
> 2024-02-22 Greg McGary
>
> PR rtl-optimization/113010
> * combine.cc (simplify_comparison):
The sign bit of a sign-extending load cannot be known until runtime,
so don't attempt to simplify it in the combiner.
2024-02-22 Greg McGary
PR rtl-optimization/113010
* combine.cc (simplify_comparison): Don't simplify high part
of paradoxical-SUBREG-of-MEM on machines