checkasm: Add tests for vp8dsp

The tests are inspired by similar tests for vp9 by
Ronald Bultje.
Signed-off-by: Martin Storsjö <martin@martin.st>

tests/checkasm/Makefile

@@ -5,6 +5,7 @@ AVCODECOBJS-$(CONFIG_FMTCONVERT)        += fmtconvert.o
 AVCODECOBJS-$(CONFIG_H264DSP)           += h264dsp.o
 AVCODECOBJS-$(CONFIG_H264PRED)          += h264pred.o
 AVCODECOBJS-$(CONFIG_H264QPEL)          += h264qpel.o
+AVCODECOBJS-$(CONFIG_VP8DSP)            += vp8dsp.o
 
 # decoders/encoders
 AVCODECOBJS-$(CONFIG_DCA_DECODER)       += dcadsp.o synth_filter.o

tests/checkasm/checkasm.c

@@ -88,6 +88,9 @@ static const struct {
 #endif
 #if CONFIG_V210_ENCODER
     { "v210enc", checkasm_check_v210enc },
+#endif
+#if CONFIG_VP8DSP
+    { "vp8dsp", checkasm_check_vp8dsp },
 #endif
     { NULL }
 };

tests/checkasm/checkasm.h

@@ -40,6 +40,7 @@ void checkasm_check_h264qpel(void);
 void checkasm_check_hevc_mc(void);
 void checkasm_check_synth_filter(void);
 void checkasm_check_v210enc(void);
+void checkasm_check_vp8dsp(void);
 
 void *checkasm_check_func(void *func, const char *name, ...) av_printf_format(2, 3);
 int checkasm_bench_func(void);