diff options
Diffstat (limited to 'src/libcryptobox/base64/avx2.c')
| -rw-r--r-- | src/libcryptobox/base64/avx2.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libcryptobox/base64/avx2.c b/src/libcryptobox/base64/avx2.c index 80f3b9972..432149a29 100644 --- a/src/libcryptobox/base64/avx2.c +++ b/src/libcryptobox/base64/avx2.c @@ -144,6 +144,7 @@ dec_reshuffle (__m256i in) const __m256i eq_2F = _mm256_cmpeq_epi8(str, mask_2F); \ const __m256i roll = _mm256_shuffle_epi8(lut_roll, _mm256_add_epi8(eq_2F, hi_nibbles)); \ if (!_mm256_testz_si256(lo, hi)) { \ + seen_error = true; \ break; \ } \ str = _mm256_add_epi8(str, roll); \ @@ -168,12 +169,15 @@ base64_decode_avx2 (const char *in, size_t inlen, uint8_t q, carry; size_t outl = 0; size_t leftover = 0; + bool seen_error = false; repeat: switch (leftover) { for (;;) { case 0: - INNER_LOOP_AVX2 + if (G_LIKELY (!seen_error)) { + INNER_LOOP_AVX2 + } if (inlen-- == 0) { ret = 1; @@ -267,6 +271,7 @@ repeat: } if (inlen > 0) { + seen_error = false; goto repeat; } } |