https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105576
--- Comment #5 from Fangrui Song <i at maskray dot me> ---
(In reply to Hongtao.liu from comment #4)
> constraint "i" + "%p0"?
>
> asm (".pushsection .xxx,\"aw\"; .dc.a %p0; .popsection" :: "i"(addr)); //
> supported on aarch64 and riscv
> asm (".pushsection .xxx,\"aw\"; .dc.a %p0; .popsection" :: "i"(&var)); //
> supported on aarch64
constraint "i" + "%p0" does not work with -mcmodel=large:
a.c:11:3: warning: ‘asm’ operand 0 probably does not match constraints
11 | asm volatile(".quad %p0" :: "i"(foo));
| ^~~
a.c:11:3: error: impossible constraint in ‘asm’
On aarch64, `asm volatile(".quad %0" :: "S"(foo));` works with -mcmodel=large
-fno-pic (note: PIC large code model has not been implemented).
