On 11/18/2021 11:23 PM, Jojo R wrote:
— Jojo
在 2021年11月19日 +0800 AM12:13，Jeff Law ，写道：
On 11/16/2021 7:20 PM, Jojo R via Gcc-patches wrote:
— Jojo
在 2021年11月16日 +0800 PM8:12，Richard Biener
，写道：
On Tue, Nov 16, 2021 at 12:45 PM Jojo R via Gcc-patche
— Jojo
在 2021年11月19日 +0800 AM12:13，Jeff Law ，写道：
>
>
> On 11/16/2021 7:20 PM, Jojo R via Gcc-patches wrote:
> > — Jojo
> > 在 2021年11月16日 +0800 PM8:12，Richard Biener ，写道：
> > > On Tue, Nov 16, 2021 at 12:45 PM Jojo R via Gcc-patches
> > > wrote:
> > > > Skip renaming if instruction is noop move,
On 11/16/2021 7:20 PM, Jojo R via Gcc-patches wrote:
— Jojo
在 2021年11月16日 +0800 PM8:12，Richard Biener ，写道：
On Tue, Nov 16, 2021 at 12:45 PM Jojo R via Gcc-patches
wrote:
Skip renaming if instruction is noop move, and it will
been removed for performance.
Is there any (target specific) test
— Jojo
在 2021年11月16日 +0800 PM8:12，Richard Biener ，写道：
> On Tue, Nov 16, 2021 at 12:45 PM Jojo R via Gcc-patches
> wrote:
> >
> > Skip renaming if instruction is noop move, and it will
> > been removed for performance.
>
> Is there any (target specific) testcase you can add? Such commits are
> pr
On Tue, Nov 16, 2021 at 12:45 PM Jojo R via Gcc-patches
wrote:
>
> Skip renaming if instruction is noop move, and it will
> been removed for performance.
Is there any (target specific) testcase you can add? Such commits are
problematic
when later bisected to since the intent isn't clear.
> gcc/
Skip renaming if instruction is noop move, and it will
been removed for performance.
gcc/
* regrename.c (find_rename_reg): Return satisfied regno
if instruction is noop move.
---
gcc/regrename.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gcc/regrename.c b/gcc/regrename
