AltiVec perf (take 2), plus a couple AltiVec functions by (Romain Dolbeau <dolbeau at irisa dot fr>)

Originally committed as revision 1464 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 62 insertions, 3 deletions

diff --git a/libavcodec/ppc/dsputil_altivec.h b/libavcodec/ppc/dsputil_altivec.h
index 4a6043fe2f..b7b4238db9 100644
--- a/libavcodec/ppc/dsputil_altivec.h
+++ b/libavcodec/ppc/dsputil_altivec.h
@@ -31,13 +31,16 @@ extern int pix_sum_altivec(UINT8 * pix, int line_size);
 extern void diff_pixels_altivec(DCTELEM* block, const UINT8* s1, const UINT8* s2, int stride);
 extern void get_pixels_altivec(DCTELEM* block, const UINT8 * pixels, int line_size);
 
-extern void gmc1_altivec(UINT8 *dst, UINT8 *src, int stride, int h, int x16, int y16, int rounder);
-
 extern void add_bytes_altivec(uint8_t *dst, uint8_t *src, int w);
+extern void put_pixels_clamped_altivec(const DCTELEM *block, UINT8 *restrict pixels, int line_size);
+void put_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
+void avg_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
 
-extern int has_altivec(void);
+extern void gmc1_altivec(UINT8 *dst, UINT8 *src, int stride, int h, int x16, int y16, int rounder);
 
+extern int has_altivec(void);
 
+#ifdef HAVE_ALTIVEC
 
 // used to build registers permutation vectors (vcprm)
 // the 's' are for words in the _s_econd vector
@@ -63,3 +66,59 @@ extern int has_altivec(void);
 #define FLOAT_p 1.
 
 #define vcii(a,b,c,d) (const vector float)(FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d)
+
+#ifdef ALTIVEC_TBL_PERFORMANCE_REPORT
+void altivec_display_perf_report(void);
+/* if you add to the enum below, also add to the perfname array
+   in dsputil_altivec.c */
+enum altivec_perf_index {
+  altivec_fft_num = 0,
+  altivec_gmc1_num,
+  altivec_dct_unquantize_h263_num,
+  altivec_idct_add_num,
+  altivec_idct_put_num,
+  altivec_put_pixels_clamped_num,
+  altivec_put_pixels16_num,
+  altivec_avg_pixels16_num,
+  altivec_perf_total
+};
+enum altivec_data_index {
+  altivec_data_min = 0,
+  altivec_data_max,
+  altivec_data_sum,
+  altivec_data_num,
+  altivec_data_total
+};
+extern unsigned long long perfdata[altivec_perf_total][altivec_data_total];
+#define ALTIVEC_TBL_DECLARE(a, cond) register unsigned long tbl_start, tbl_stop
+#define ALTIVEC_TBL_START_COUNT(a, cond) do { asm("mftb %0" : "=r" (tbl_start)); } while (0)
+#define ALTIVEC_TBL_STOP_COUNT(a, cond) do {     \
+  asm volatile("mftb %0" : "=r" (tbl_stop));              \
+  if (tbl_stop > tbl_start)                      \
+  {                                              \
+    unsigned long diff =  tbl_stop - tbl_start;  \
+    if (cond)                                    \
+    {                                            \
+      if (diff < perfdata[a][altivec_data_min])  \
+        perfdata[a][altivec_data_min] = diff;    \
+      if (diff > perfdata[a][altivec_data_max])  \
+        perfdata[a][altivec_data_max] = diff;    \
+      perfdata[a][altivec_data_sum] += diff;     \
+      perfdata[a][altivec_data_num] ++;          \
+    }                                            \
+  }                                              \
+} while (0)
+#else /* ALTIVEC_TBL_PERFORMANCE_REPORT */
+#define ALTIVEC_TBL_DECLARE(a, cond)
+#define ALTIVEC_TBL_START_COUNT(a, cond)
+#define ALTIVEC_TBL_STOP_COUNT(a, cond)
+#endif /* ALTIVEC_TBL_PERFORMANCE_REPORT */
+
+#else /* HAVE_ALTIVEC */
+#ifdef ALTIVEC_USE_REFERENCE_C_CODE
+#error "I can't use ALTIVEC_USE_REFERENCE_C_CODE if I don't use HAVE_ALTIVEC"
+#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
+#ifdef ALTIVEC_TBL_PERFORMANCE_REPORT
+#error "I can't use ALTIVEC_TBL_PERFORMANCE_REPORT if I don't use HAVE_ALTIVEC"
+#endif /* ALTIVEC_TBL_PERFORMANCE_REPORT */
+#endif /* HAVE_ALTIVEC */