https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107359
Bug ID: 107359
Summary: [aarch64] should avoid the punpklo/punpkhi compare to
llvm
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: zhongyunde at huawei dot com
Target Milestone: ---
* case, https://godbolt.org/z/38bcszxdo
```
int check (char *mask, double *result, int n) {
int count = 0;
for (int i=0; i<n; i++) {
if (mask[i] == 0 && result[i] != 2.0)
count++;
}
return count;
}
```
gcc may also choose more wider SVE to avoid the punpklo/punpkhi.
