diff options
Diffstat (limited to 'iconv/loop.c')
| -rw-r--r-- | iconv/loop.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/iconv/loop.c b/iconv/loop.c index 9e8e32e8cc..857c93de1e 100644 --- a/iconv/loop.c +++ b/iconv/loop.c @@ -232,14 +232,17 @@ FCTNAME (LOOPFCT) (const unsigned char **inptrp, const unsigned char *inend, /* `if' cases for MIN_NEEDED_OUTPUT ==/!= 1 is made to help the compiler generating better code. It will optimized away since MIN_NEEDED_OUTPUT is always a constant. */ - if ((MIN_NEEDED_OUTPUT != 1 && outptr + MIN_NEEDED_OUTPUT > outend) - || (MIN_NEEDED_OUTPUT == 1 && outptr >= outend)) + if ((MIN_NEEDED_OUTPUT != 1 + && __builtin_expect (outptr + MIN_NEEDED_OUTPUT > outend, 0)) + || (MIN_NEEDED_OUTPUT == 1 + && __builtin_expect (outptr >= outend, 0))) { /* Overflow in the output buffer. */ result = __GCONV_FULL_OUTPUT; break; } - if (MIN_NEEDED_INPUT > 1 && inptr + MIN_NEEDED_INPUT > inend) + if (MIN_NEEDED_INPUT > 1 + && __builtin_expect (inptr + MIN_NEEDED_INPUT > inend, 0)) { /* We don't have enough input for another complete input character. */ @@ -356,7 +359,7 @@ SINGLE(LOOPFCT) (const unsigned char **inptrp, const unsigned char *inend, bytes from the state and at least one more, or the character is still incomplete, or we have some other error (like illegal input character, no space in output buffer). */ - if (inptr != bytebuf) + if (__builtin_expect (inptr != bytebuf, 1)) { /* We found a new character. */ assert (inptr - bytebuf > (state->__count & 7)); |