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expand128 bugs fixed

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This commit is contained in:
Apostolos Tapsas 2021-10-22 07:05:55 +00:00
parent 7184ce9870
commit 5abda15c26
1 changed files with 4 additions and 5 deletions
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9
src/util/arch/ppc64el/bitutils.h
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@ -135,17 +135,16 @@ u64a expand64_impl(u64a x, u64a m) {
}
static really_inline
m128 expand128_impl(m128 xvec, m128 mvec) {
m128 expand128_impl(m128 x, m128 m) {
m128 one = set1_2x64(1);
m128 bb = one;
m128 res = zeroes128();
while (isnonzero128(m)) {
m128 xm = and128(x, bb);
m128 mm = sub_2x64(zeroes128(), m);
m128 xm = and128(x, m);
xm = and128(xm, mm);
m128 mask = not128(eq64_m128(xm, zeroes128()));
res = or128(res, and128(bb, mask));
mask = and128(mask, and128(m,mm));
res = or128(res, mask);
m = and128(m, sub_2x64(m, one));
bb = lshift64_m128(bb, 1);
}