[Bug testsuite/97680] [11 Regression] new test case c-c++-common/zero-scratch-regs-10.c in r11-4578 has excess errors

[qing.zhao at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97680

--- Comment #10 from Qing Zhao <qing.zhao at oracle dot com> ---
> but it will still fail on all targets but x86_64 (and now powerpc).  Qinzhao,
> what's the list of targets this is supported?

I believe that the targets that currently support this feature are:
x86-64
aarch64
sparc

The original patch supported x86-64 and aarch64, later the following patch
https://gcc.gnu.org/pipermail/gcc-cvs/2020-December/338342.html
<https://gcc.gnu.org/pipermail/gcc-cvs/2020-December/338342.html>

Support sparc