On Wed, Dec 11, 2019 at 04:45:36PM +0800, Linjie Fu wrote: > Add overflow test for hevc_add_res when int16_t coeff = -32768. > The result of C is good, while ASM is not. > > To verify: > make fate-checkasm-hevc_add_res > ffmpeg/tests/checkasm/checkasm --test=hevc_add_res > > ./checkasm --test=hevc_add_res > checkasm: using random seed 679391863 > MMXEXT: > hevc_add_res_4x4_8_mmxext (hevc_add_res.c:69) > - hevc_add_res.add_residual [FAILED] > SSE2: > hevc_add_res_8x8_8_sse2 (hevc_add_res.c:69) > hevc_add_res_16x16_8_sse2 (hevc_add_res.c:69) > hevc_add_res_32x32_8_sse2 (hevc_add_res.c:69) > - hevc_add_res.add_residual [FAILED] > AVX: > hevc_add_res_8x8_8_avx (hevc_add_res.c:69) > hevc_add_res_16x16_8_avx (hevc_add_res.c:69) > hevc_add_res_32x32_8_avx (hevc_add_res.c:69) > - hevc_add_res.add_residual [FAILED] > AVX2: > hevc_add_res_32x32_8_avx2 (hevc_add_res.c:69) > - hevc_add_res.add_residual [FAILED] > checkasm: 8 of 14 tests have failed > > Signed-off-by: Xu Guangxin <guangxin...@intel.com> > Signed-off-by: Linjie Fu <linjie...@intel.com> > --- > tests/checkasm/hevc_add_res.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tests/checkasm/hevc_add_res.c b/tests/checkasm/hevc_add_res.c > index e92c6b4..a6e3b8a 100644 > --- a/tests/checkasm/hevc_add_res.c > +++ b/tests/checkasm/hevc_add_res.c > @@ -58,6 +58,7 @@ static void check_add_res(HEVCDSPContext h, int bit_depth) > > randomize_buffers(res0, size); > randomize_buffers2(dst0, size); > + res0[0] = 0x8000;// overflow test > memcpy(res1, res0, sizeof(*res0) * size); > memcpy(dst1, dst0, sizeof(int16_t) * size);
unconditionally and always seting this would reduce the space that can be tested unless iam missing something [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB You can kill me, but you cannot change the truth.
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