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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2007-02-28 03:47:25 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2007-02-28 03:47:25 +0000 |
| commit | 1afcbfb7de6fef5c052766f258bde74d845253df (patch) | |
| tree | 19e9591a5f1f7e2804e08c4199e29ab2a2281f30 /lib/libpbm3.c | |
| parent | 84b03c4a38ade9c100ae40e9d5b3fabfceb59913 (diff) | |
| download | netpbm-mirror-1afcbfb7de6fef5c052766f258bde74d845253df.tar.gz netpbm-mirror-1afcbfb7de6fef5c052766f258bde74d845253df.tar.xz netpbm-mirror-1afcbfb7de6fef5c052766f258bde74d845253df.zip | |
Fix unsigned arithmetic bug
git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@238 9d0c8265-081b-0410-96cb-a4ca84ce46f8
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) |