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the previous fix on int overflow is incomplete

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Heng Li
2018-05-11 10:12:57 -04:00
parent 10c6dd2551
commit abe989e355
3 changed files with 7 additions and 7 deletions
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ksw2_extz2_sse.c
+3 -3
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@@ -89,7 +89,7 @@ void ksw_extz2_sse(void *km, int qlen, const uint8_t *query, int tlen, const uin
for (t = 0; t < tlen_ * 16; ++t) H[t] = KSW_NEG_INF;
}
if (with_cigar) {
mem2 = (uint8_t*)kmalloc(km, ((qlen + tlen - 1) * n_col_ + 1) * 16);
mem2 = (uint8_t*)kmalloc(km, ((size_t)(qlen + tlen - 1) * n_col_ + 1) * 16);
p = (__m128i*)(((size_t)mem2 + 15) >> 4 << 4);
off = (int*)kmalloc(km, (qlen + tlen - 1) * sizeof(int) * 2);
off_end = off + qlen + tlen - 1;
@@ -169,7 +169,7 @@ void ksw_extz2_sse(void *km, int qlen, const uint8_t *query, int tlen, const uin
#endif
}
} else if (!(flag&KSW_EZ_RIGHT)) { // gap left-alignment
__m128i *pr = p + r * n_col_ - st_;
__m128i *pr = p + (size_t)r * n_col_ - st_;
off[r] = st, off_end[r] = en;
for (t = st_; t <= en_; ++t) {
__m128i d, z, a, b, xt1, vt1, ut, tmp;
@@ -195,7 +195,7 @@ void ksw_extz2_sse(void *km, int qlen, const uint8_t *query, int tlen, const uin
_mm_store_si128(&pr[t], d);
}
} else { // gap right-alignment
__m128i *pr = p + r * n_col_ - st_;
__m128i *pr = p + (size_t)r * n_col_ - st_;
off[r] = st, off_end[r] = en;
for (t = st_; t <= en_; ++t) {
__m128i d, z, a, b, xt1, vt1, ut, tmp;