x86util: add and use RSHIFT/LSHIFT macros

Those macros take a byte number as shift argument, as this argument
differs between MMX and SSE2 instructions.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/x86/huffyuvdsp.asm

@@ -34,22 +34,6 @@ SECTION_TEXT
 ; void ff_add_hfyu_median_pred_mmxext(uint8_t *dst, const uint8_t *top,
 ;                                     const uint8_t *diff, int w,
 ;                                     int *left, int *left_top)
-%macro LSHIFT 2
-%if mmsize > 8
-    pslldq  %1, %2
-%else
-    psllq   %1, 8*(%2)
-%endif
-%endmacro
-
-%macro RSHIFT 2
-%if mmsize > 8
-    psrldq  %1, %2
-%else
-    psrlq   %1, 8*(%2)
-%endif
-%endmacro
-
 %macro HFYU_MEDIAN 0
 cglobal add_hfyu_median_pred, 6,6,8, dst, top, diff, w, left, left_top
     movu    m0, [topq]

libavfilter/x86/vf_yadif.asm

@@ -39,11 +39,7 @@ SECTION .text
     pavgb     m5, m3
     pand      m4, [pb_1]
     psubusb   m5, m4
-%if mmsize == 16
-    psrldq    m5, 1
-%else
-    psrlq     m5, 8
-%endif
+    RSHIFT    m5, 1
     punpcklbw m5, m7
     mova      m4, m2
     psubusb   m2, m3
@@ -51,13 +47,8 @@ SECTION .text
     pmaxub    m2, m3
     mova      m3, m2
     mova      m4, m2
-%if mmsize == 16
-    psrldq    m3, 1
-    psrldq    m4, 2
-%else
-    psrlq     m3, 8
-    psrlq     m4, 16
-%endif
+    RSHIFT    m3, 1
+    RSHIFT    m4, 2
     punpcklbw m2, m7
     punpcklbw m3, m7
     punpcklbw m4, m7

libavfilter/x86/yadif-10.asm

@@ -59,24 +59,15 @@ SECTION .text
     pavgw     m5, m3
     pand      m4, [pw_1]
     psubusw   m5, m4
-%if mmsize == 16
-    psrldq    m5, 2
-%else
-    psrlq     m5, 16
-%endif
+    RSHIFT    m5, 2
     mova      m4, m2
     psubusw   m2, m3
     psubusw   m3, m4
     PMAXUW    m2, m3
     mova      m3, m2
     mova      m4, m2
-%if mmsize == 16
-    psrldq    m3, 2
-    psrldq    m4, 4
-%else
-    psrlq     m3, 16
-    psrlq     m4, 32
-%endif
+    RSHIFT    m3, 2
+    RSHIFT    m4, 4
     paddw     m2, m3
     paddw     m2, m4
 %endmacro
@@ -174,13 +165,8 @@ SECTION .text
     psubusw      m2, m3
     psubusw      m3, m4
     PMAXUW       m2, m3
-%if mmsize == 16
     mova         m3, m2
-    psrldq       m3, 4
-%else
-    mova         m3, m2
-    psrlq        m3, 32
-%endif
+    RSHIFT       m3, 4
     paddw        m0, m2
     paddw        m0, m3
     psubw        m0, [pw_1]

libavfilter/x86/yadif-16.asm

@@ -33,22 +33,6 @@ pd_8000: times 4 dd 0x8000
 
 SECTION .text
 
-%macro PIXSHIFT1 1
-%if cpuflag(sse2)
-    psrldq %1, 2
-%else
-    psrlq %1, 16
-%endif
-%endmacro
-
-%macro PIXSHIFT2 1
-%if cpuflag(sse2)
-    psrldq %1, 4
-%else
-    psrlq %1, 32
-%endif
-%endmacro
-
 %macro PABS 2
 %if cpuflag(ssse3)
     pabsd %1, %1
@@ -112,11 +96,7 @@ SECTION .text
     pavgw     m5, m3
     pand      m4, [pw_1]
     psubusw   m5, m4
-%if mmsize == 16
-    psrldq    m5, 2
-%else
-    psrlq     m5, 16
-%endif
+    RSHIFT    m5, 2
     punpcklwd m5, m7
     mova      m4, m2
     psubusw   m2, m3
@@ -124,13 +104,8 @@ SECTION .text
     PMAXUW    m2, m3
     mova      m3, m2
     mova      m4, m2
-%if mmsize == 16
-    psrldq    m3, 2
-    psrldq    m4, 4
-%else
-    psrlq     m3, 16
-    psrlq     m4, 32
-%endif
+    RSHIFT    m3, 2
+    RSHIFT    m4, 4
     punpcklwd m2, m7
     punpcklwd m3, m7
     punpcklwd m4, m7
@@ -234,13 +209,8 @@ SECTION .text
     psubusw      m2, m3
     psubusw      m3, m4
     PMAXUW       m2, m3
-%if mmsize == 16
     mova         m3, m2
-    psrldq       m3, 4
-%else
-    mova         m3, m2
-    psrlq        m3, 32
-%endif
+    RSHIFT       m3, 4
     punpcklwd    m2, m7
     punpcklwd    m3, m7
     paddd        m0, m2

libavutil/x86/x86util.asm

@@ -743,3 +743,19 @@ PMA_EMU PMADCSWD, pmadcswd, pmaddwd, paddd
         addps   %1, %4
     %endif
 %endmacro
+
+%macro LSHIFT 2
+%if mmsize > 8
+    pslldq  %1, %2
+%else
+    psllq   %1, 8*(%2)
+%endif
+%endmacro
+
+%macro RSHIFT 2
+%if mmsize > 8
+    psrldq  %1, %2
+%else
+    psrlq   %1, 8*(%2)
+%endif
+%endmacro