diff options
Diffstat (limited to 'lib/libpbm3.c')
| -rw-r--r-- | lib/libpbm3.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/libpbm3.c b/lib/libpbm3.c index a3ada015..2a811748 100644 --- a/lib/libpbm3.c +++ b/lib/libpbm3.c @@ -107,11 +107,12 @@ packBitsWithMmxSse(FILE * const fileP, typedef int v8qi __attribute__ ((mode(V8QI))); typedef int di __attribute__ ((mode(DI))); - int col; di const zero64 = 0; /* to clear with PXOR */ - for (col = 0; col < cols-7; col += 8) { + unsigned int col; + + for (col = 0; col + 7 < cols; col += 8) { v8qi const compare = __builtin_ia32_pcmpeqb(*(v8qi*) (&bitrow[col]), *(v8qi*) &zero64); unsigned char const backwardWhiteMask = (unsigned char) |