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| author | Diego Biurrun <diego@biurrun.de> | 2007-10-17 22:29:13 +0000 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2007-10-17 22:29:13 +0000 |
| commit | deb43f0bd8c21d70217b9cab6b11418c64d2ae2f (patch) | |
| tree | a89c45394839f757e8b0c049856c7ee084f982ac | |
| parent | 9b1f04b08bfe47ad33db815cc14d0824705710c1 (diff) | |
| download | ffmpeg-deb43f0bd8c21d70217b9cab6b11418c64d2ae2f.tar.gz | |
Explain why there are no multiple inclusion guards in these header files.
Originally committed as revision 10771 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/i386/dsputil_mmx_avg.h | 4 | ||||
| -rw-r--r-- | libavcodec/i386/dsputil_mmx_qns.h | 4 | ||||
| -rw-r--r-- | libavcodec/i386/dsputil_mmx_rnd.h | 4 |
3 files changed, 12 insertions, 0 deletions
diff --git a/libavcodec/i386/dsputil_mmx_avg.h b/libavcodec/i386/dsputil_mmx_avg.h index d37d300646..cb70b9ac7a 100644 --- a/libavcodec/i386/dsputil_mmx_avg.h +++ b/libavcodec/i386/dsputil_mmx_avg.h @@ -24,6 +24,10 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +/* This header intentionally has no multiple inclusion guards. It is meant to + * be included multiple times and generates different code depending on the + * value of certain #defines. */ + /* XXX: we use explicit registers to avoid a gcc 2.95.2 register asm clobber bug - now it will work with 2.95.2 and also with -fPIC */ diff --git a/libavcodec/i386/dsputil_mmx_qns.h b/libavcodec/i386/dsputil_mmx_qns.h index d2524c2221..f01f0b08bb 100644 --- a/libavcodec/i386/dsputil_mmx_qns.h +++ b/libavcodec/i386/dsputil_mmx_qns.h @@ -22,6 +22,10 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +/* This header intentionally has no multiple inclusion guards. It is meant to + * be included multiple times and generates different code depending on the + * value of certain #defines. */ + #define MAX_ABS (512 >> (SCALE_OFFSET>0 ? SCALE_OFFSET : 0)) static int DEF(try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale) diff --git a/libavcodec/i386/dsputil_mmx_rnd.h b/libavcodec/i386/dsputil_mmx_rnd.h index cd75c4d5f0..4a6bc0e47f 100644 --- a/libavcodec/i386/dsputil_mmx_rnd.h +++ b/libavcodec/i386/dsputil_mmx_rnd.h @@ -24,6 +24,10 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +/* This header intentionally has no multiple inclusion guards. It is meant to + * be included multiple times and generates different code depending on the + * value of certain #defines. */ + // put_pixels static void DEF(put, pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) { |