diff options
Diffstat (limited to 'src/libcryptobox/base64/sse42.c')
| -rw-r--r-- | src/libcryptobox/base64/sse42.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libcryptobox/base64/sse42.c b/src/libcryptobox/base64/sse42.c index 1d1287ad2..806dd5298 100644 --- a/src/libcryptobox/base64/sse42.c +++ b/src/libcryptobox/base64/sse42.c @@ -118,6 +118,7 @@ static inline __m128i dec_reshuffle (__m128i in) 'A','Z', \ 'a','z'); \ if (_mm_cmpistrc(range, str, _SIDD_UBYTE_OPS | _SIDD_CMP_RANGES | _SIDD_NEGATIVE_POLARITY)) { \ + seen_error = true; \ break; \ } \ __m128i indices = _mm_subs_epu8(str, _mm_set1_epi8(46)); \ @@ -150,12 +151,15 @@ base64_decode_sse42 (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_SSE42 + if (G_LIKELY (!seen_error)) { + INNER_LOOP_SSE42 + } if (inlen-- == 0) { ret = 1; @@ -249,6 +253,7 @@ repeat: } if (inlen > 0) { + seen_error = false; goto repeat; } } |