在 2024-03-14 23:33, Andrew Cooper via Gcc 写道:
And for x86's arch_ffs(),
unsigned int arch_ffs(unsigned int x)
{
unsigned int res;
if ( __builtin_constant_p(x > 0) && x > 0 )
{
// Well defined when x is known non-zero
asm("bsf %1, %0" : "=r"(res) : "rm"(x));
Ev
On Wed, 20 Mar 2024 at 16:34, Simon Marchi wrote:
>
> On 3/18/24 13:25, Christophe Lyon wrote:
> > Well the rule to regenerate Makefile.in (eg in in opcodes/) is a bit
> > more complex
> > than just calling automake. IIUC it calls automake --foreign it any of
> > *.m4 file from $(am__configure_dep
Snapshot gcc-11-20240321 is now available on
https://gcc.gnu.org/pub/gcc/snapshots/11-20240321/
and on various mirrors, see https://gcc.gnu.org/mirrors.html for details.
This snapshot has been generated from the GCC 11 git branch
with the following options: git://gcc.gnu.org/git/gcc.git branch
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