checkasm: Add tests for h264 idct

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

tests/checkasm/Makefile

@@ -2,6 +2,7 @@
 # subsystems
 AVCODECOBJS-$(CONFIG_BSWAPDSP)          += bswapdsp.o
 AVCODECOBJS-$(CONFIG_FMTCONVERT)        += fmtconvert.o
+AVCODECOBJS-$(CONFIG_H264DSP)           += h264dsp.o
 AVCODECOBJS-$(CONFIG_H264PRED)          += h264pred.o
 AVCODECOBJS-$(CONFIG_H264QPEL)          += h264qpel.o
 

tests/checkasm/checkasm.c

@@ -74,6 +74,9 @@ static const struct {
 #if CONFIG_FMTCONVERT
     { "fmtconvert", checkasm_check_fmtconvert },
 #endif
+#if CONFIG_H264DSP
+    { "h264dsp", checkasm_check_h264dsp },
+#endif
 #if CONFIG_H264PRED
     { "h264pred", checkasm_check_h264pred },
 #endif

tests/checkasm/checkasm.h

@@ -33,6 +33,7 @@
 void checkasm_check_bswapdsp(void);
 void checkasm_check_dcadsp(void);
 void checkasm_check_fmtconvert(void);
+void checkasm_check_h264dsp(void);
 void checkasm_check_h264pred(void);
 void checkasm_check_h264qpel(void);
 void checkasm_check_hevc_mc(void);