On Wed, Aug 28, 2024, Rick P Edgecombe wrote:
> On Tue, 2024-06-04 at 12:34 -0700, Sean Christopherson wrote:
> >
> > If we're willing to suffer a few gnarly macros, I think we get a
> > satisfactory mix of standardized arguments and explicit operands, and
> > generate vastly better code.
>
> Hi
On Tue, 2024-06-04 at 12:34 -0700, Sean Christopherson wrote:
>
> If we're willing to suffer a few gnarly macros, I think we get a satisfactory
> mix
> of standardized arguments and explicit operands, and generate vastly better
> code.
Hi Sean,
We are kind of stuck on improving the code generati
On Tue, Jun 04, 2024, Kirill A. Shutemov wrote:
> On Mon, Jun 03, 2024 at 06:37:45AM -0700, Dave Hansen wrote:
> > On 6/2/24 04:54, Kirill A. Shutemov wrote:
> > > Sean observed that the compiler is generating inefficient code to clear
> > > the tdx_module_args struct for TDCALL and SEAMCALL wrappe
On Mon, Jun 03, 2024 at 06:37:45AM -0700, Dave Hansen wrote:
> On 6/2/24 04:54, Kirill A. Shutemov wrote:
> > Sean observed that the compiler is generating inefficient code to clear
> > the tdx_module_args struct for TDCALL and SEAMCALL wrappers. The
> > compiler is generating numerous instructions
On 6/2/24 04:54, Kirill A. Shutemov wrote:
> Sean observed that the compiler is generating inefficient code to clear
> the tdx_module_args struct for TDCALL and SEAMCALL wrappers. The
> compiler is generating numerous instructions at each call site to clear
> the unused fields of the structure.
>
Sean observed that the compiler is generating inefficient code to clear
the tdx_module_args struct for TDCALL and SEAMCALL wrappers. The
compiler is generating numerous instructions at each call site to clear
the unused fields of the structure.
To address this issue, avoid using C99-initializer an
