As GCC 11 is released and the development of GCC 12 begins I would like
to send this patch again.
It is basically unchanged since the previous submission in February. The
only change I made is fixing formatting by adding a space after gcc_assert.
Please note, that the original author of the co
Prior to this commit GCC -O2 generated quite bad code for this
function:
bool f()
{
return __builtin_cpu_supports("popcnt")
&& __builtin_cpu_supports("ssse3");
}
f:
movl__cpu_model+12(%rip), %eax
xorl%r8d, %r8d
testb $4, %al
je .L1
On 02.02.2021 02:00, Ivan Sorokin wrote:
> [PATCH] [PR91400] build only one __cpu_model variable
This is my first patch to GCC. So I might have done something totally
stupid or totally wrong. Caution is required for reviewing. :-)
> gcc/ChangeLog:
>
> PR target/91400
> * config/i386/
Prior to this commit GCC -O2 generated quite bad code for this
function:
bool f()
{
return __builtin_cpu_supports("popcnt")
&& __builtin_cpu_supports("ssse3");
}
f:
movl__cpu_model+12(%rip), %eax
xorl%r8d, %r8d
testb $4, %al
je .L1
