diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/compile/20070520-1.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/20070520-1.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/20070520-1.c b/gcc/testsuite/gcc.c-torture/compile/20070520-1.c new file mode 100644 index 000000000..fe9db9747 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20070520-1.c @@ -0,0 +1,35 @@ +typedef unsigned char uint8_t; +extern uint8_t ff_cropTbl[256 + 2 * 1024]; + +void ff_pred8x8_plane_c(uint8_t *src, int stride){ + int j, k; + int a; + uint8_t *cm = ff_cropTbl + 1024; + const uint8_t * const src0 = src+3-stride; + const uint8_t *src1 = src+4*stride-1; + const uint8_t *src2 = src1-2*stride; + int H = src0[1] - src0[-1]; + int V = src1[0] - src2[ 0]; + for(k=2; k<=4; ++k) { + src1 += stride; src2 -= stride; + H += k*(src0[k] - src0[-k]); + V += k*(src1[0] - src2[ 0]); + } + H = ( 17*H+16 ) >> 5; + V = ( 17*V+16 ) >> 5; + + a = 16*(src1[0] + src2[8]+1) - 3*(V+H); + for(j=8; j>0; --j) { + int b = a; + a += V; + src[0] = cm[ (b ) >> 5 ]; + src[1] = cm[ (b+ H) >> 5 ]; + src[2] = cm[ (b+2*H) >> 5 ]; + src[3] = cm[ (b+3*H) >> 5 ]; + src[4] = cm[ (b+4*H) >> 5 ]; + src[5] = cm[ (b+5*H) >> 5 ]; + src[6] = cm[ (b+6*H) >> 5 ]; + src[7] = cm[ (b+7*H) >> 5 ]; + src += stride; + } +} |