build: Add explanatory comments to (optimization) blocks in the Makefiles

[ffmpeg] / libavcodec / arm / mpegvideo_neon.S

diff --git a/libavcodec/arm/mpegvideo_neon.S b/libavcodec/arm/mpegvideo_neon.S
index 365dcf65cf75164a19f5cffa5bf5976fe8077fe7..3e1f7b53e2a46e4cbcccba16e3d3b340f6aeb23e 100644 (file)
--- a/libavcodec/arm/mpegvideo_neon.S
+++ b/libavcodec/arm/mpegvideo_neon.S
@@ -18,7 +18,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "asm.S"
+#include "libavutil/arm/asm.S"
 #include "asm-offsets.h"
 
 function ff_dct_unquantize_h263_inter_neon, export=1
@@ -57,6 +57,7 @@ function ff_dct_unquantize_h263_neon, export=1
         subs            r3,  r3,  #16
         vst1.16         {q0},     [r1,:128]!
         vst1.16         {q8},     [r1,:128]!
+        it              le
         bxle            lr
         cmp             r3,  #8
         bgt             1b
@@ -78,6 +79,7 @@ function ff_dct_unquantize_h263_intra_neon, export=1
         ldr             r6,  [r0, #AC_PRED]
         add             lr,  r0,  #INTER_SCANTAB_RASTER_END
         cmp             r6,  #0
+        it              ne
         movne           r12, #63
         bne             1f
         ldr             r12, [r12, r2, lsl #2]
@@ -86,9 +88,11 @@ function ff_dct_unquantize_h263_intra_neon, export=1
         ldrsh           r4,  [r1]
         cmp             r5,  #0
         mov             r5,  r1
+        it              ne
         movne           r2,  #0
         bne             2f
         cmp             r2,  #4
+        it              ge
         addge           r0,  r0,  #4
         sub             r2,  r3,  #1
         ldr             r6,  [r0, #Y_DC_SCALE]
@@ -96,7 +100,7 @@ function ff_dct_unquantize_h263_intra_neon, export=1
         smulbb          r4,  r4,  r6
 2:      lsl             r0,  r3,  #1
         add             r3,  r12, #1
-        bl              ff_dct_unquantize_h263_neon
+        bl              X(ff_dct_unquantize_h263_neon)
         vmov.16         d0[0], r4
         vst1.16         {d0[0]},  [r5]
         pop             {r4-r6,pc}