On 10/14/21 7:42 PM, H.J. Lu wrote:
On Thu, Oct 14, 2021 at 11:06 AM Andrew MacLeod via Gcc-patches
wrote:
As the PR observes, if the first operand of a right shift is 0 or -1,
operand 2 doesn't matter and the result will be the same as op1, so it
can be turned into a copy.
This patch checks f
On Thu, Oct 14, 2021 at 11:06 AM Andrew MacLeod via Gcc-patches
wrote:
>
> As the PR observes, if the first operand of a right shift is 0 or -1,
> operand 2 doesn't matter and the result will be the same as op1, so it
> can be turned into a copy.
>
> This patch checks for that condition and perfor
As the PR observes, if the first operand of a right shift is 0 or -1,
operand 2 doesn't matter and the result will be the same as op1, so it
can be turned into a copy.
This patch checks for that condition and performs the operation in EVRP.
Bootstrapped on x86_64-pc-linux-gnu with no regressio
