void *resolve_builtin_cpu(void) {
__builtin_cpu_init();
if (__builtin_cpu_supports("sse4.1"))
return sse41;
else
return portable;
}
Is the right way to implement ifunc resolver.
** Changed in: gcc-10 (Ubuntu)
Status: New => Invalid
** Changed in: glibc (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1884382
Title:
__builtin_cpu_supports does not work in ifunc resolver
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