31       "srl            $t9, %[dst_width], 4           \n"  // iterations -> by 16  in ScaleRowDown2_DSPR2()
32       "beqz           $t9, 2f                        \n"  in ScaleRowDown2_DSPR2()
50       "addiu          $t9, $t9, -1                   \n"  in ScaleRowDown2_DSPR2()
55       "bgtz           $t9, 1b                        \n"  in ScaleRowDown2_DSPR2()
59       "andi           $t9, %[dst_width], 0xf         \n"  // residue  in ScaleRowDown2_DSPR2()
60       "beqz           $t9, 3f                        \n"  in ScaleRowDown2_DSPR2()
66       "addiu          $t9, $t9, -1                   \n"  in ScaleRowDown2_DSPR2()
68       "bgtz           $t9, 21b                       \n"  in ScaleRowDown2_DSPR2()
75       : "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9");  in ScaleRowDown2_DSPR2()
88       "srl            $t9, %[dst_width], 3          \n"  // iterations -> step 8  in ScaleRowDown2Box_DSPR2()
89       "bltz           $t9, 2f                       \n"  in ScaleRowDown2Box_DSPR2()
101       "addiu          $t9, $t9, -1                  \n"  in ScaleRowDown2Box_DSPR2()
140       "bgtz           $t9, 1b                       \n"  in ScaleRowDown2Box_DSPR2()
144       "andi           $t9, %[dst_width], 0x7        \n"  // x = residue  in ScaleRowDown2Box_DSPR2()
145       "beqz           $t9, 3f                       \n"  in ScaleRowDown2Box_DSPR2()
163       "addiu          $t9, $t9, -2                  \n"  in ScaleRowDown2Box_DSPR2()
165       "bgtz           $t9, 21b                      \n"  in ScaleRowDown2Box_DSPR2()
173       : "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9");  in ScaleRowDown2Box_DSPR2()
184       "srl            $t9, %[dst_width], 3          \n"  in ScaleRowDown4_DSPR2()
185       "beqz           $t9, 2f                       \n"  in ScaleRowDown4_DSPR2()
204       "addiu          $t9, $t9, -1                  \n"  in ScaleRowDown4_DSPR2()
207       "bgtz           $t9, 1b                       \n"  in ScaleRowDown4_DSPR2()
211       "andi           $t9, %[dst_width], 7          \n"  // residue  in ScaleRowDown4_DSPR2()
212       "beqz           $t9, 3f                       \n"  in ScaleRowDown4_DSPR2()
218       "addiu          $t9, $t9, -1                  \n"  in ScaleRowDown4_DSPR2()
220       "bgtz           $t9, 21b                      \n"  in ScaleRowDown4_DSPR2()
227       : "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9");  in ScaleRowDown4_DSPR2()
243       "srl           $t9, %[dst_width], 1         \n"  in ScaleRowDown4Box_DSPR2()
277       "addiu         $t9, $t9, -1                 \n"  in ScaleRowDown4Box_DSPR2()
278       "bgtz          $t9, 1b                      \n"  in ScaleRowDown4Box_DSPR2()
303       : "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9");  in ScaleRowDown4Box_DSPR2()
323       "precrq.qb.ph    $t9, $t6, $t8                      \n"  // |23|21|31|30|  in ScaleRowDown34_DSPR2()
328       "ins             $t8, $t9, 8, 16                    \n"  // |X|31|29|28|  in ScaleRowDown34_DSPR2()
331       "packrl.ph       $t9, $t7, $t9                      \n"  // |25|24|23|21|  in ScaleRowDown34_DSPR2()
340       "sw              $t9, 16(%[dst])                    \n"  in ScaleRowDown34_DSPR2()
347       : "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9");  in ScaleRowDown34_DSPR2()