swscale/utils: factor (d + 1 < 4) out

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libswscale/utils.c

@@ -781,10 +781,10 @@ static av_cold int init_hscaler_mmxext(int dstW, int xInc, uint8_t *filterCode,
             int c                  = ((xpos + xInc * 2) >> 16) - xx;
             int d                  = ((xpos + xInc * 3) >> 16) - xx;
             int inc                = (d + 1 < 4);
-            uint8_t *fragment      = (d + 1 < 4) ? fragmentB : fragmentA;
-            x86_reg imm8OfPShufW1  = (d + 1 < 4) ? imm8OfPShufW1B : imm8OfPShufW1A;
-            x86_reg imm8OfPShufW2  = (d + 1 < 4) ? imm8OfPShufW2B : imm8OfPShufW2A;
-            x86_reg fragmentLength = (d + 1 < 4) ? fragmentLengthB : fragmentLengthA;
+            uint8_t *fragment      = inc ? fragmentB : fragmentA;
+            x86_reg imm8OfPShufW1  = inc ? imm8OfPShufW1B : imm8OfPShufW1A;
+            x86_reg imm8OfPShufW2  = inc ? imm8OfPShufW2B : imm8OfPShufW2A;
+            x86_reg fragmentLength = inc ? fragmentLengthB : fragmentLengthA;
             int maxShift           = 3 - (d + inc);
             int shift              = 0;