30     "srl            $t9, %[dst_width], 4           \n"  // iterations -> by 16  in ScaleRowDown2_MIPS_DSPR2()
31     "beqz           $t9, 2f                        \n"  in ScaleRowDown2_MIPS_DSPR2()
50     "addiu          $t9, $t9, -1                   \n"  in ScaleRowDown2_MIPS_DSPR2()
55     "bgtz           $t9, 1b                        \n"  in ScaleRowDown2_MIPS_DSPR2()
59     "andi           $t9, %[dst_width], 0xf         \n"  // residue  in ScaleRowDown2_MIPS_DSPR2()
60     "beqz           $t9, 3f                        \n"  in ScaleRowDown2_MIPS_DSPR2()
66     "addiu          $t9, $t9, -1                   \n"  in ScaleRowDown2_MIPS_DSPR2()
68     "bgtz           $t9, 21b                       \n"  in ScaleRowDown2_MIPS_DSPR2()
77     "t6", "t7", "t8", "t9"  in ScaleRowDown2_MIPS_DSPR2()
89     "srl            $t9, %[dst_width], 3          \n"  // iterations -> step 8  in ScaleRowDown2Box_MIPS_DSPR2()
90     "bltz           $t9, 2f                       \n"  in ScaleRowDown2Box_MIPS_DSPR2()
103     "addiu          $t9, $t9, -1                  \n"  in ScaleRowDown2Box_MIPS_DSPR2()
142     "bgtz           $t9, 1b                       \n"  in ScaleRowDown2Box_MIPS_DSPR2()
146     "andi           $t9, %[dst_width], 0x7        \n"  // x = residue  in ScaleRowDown2Box_MIPS_DSPR2()
147     "beqz           $t9, 3f                       \n"  in ScaleRowDown2Box_MIPS_DSPR2()
165     "addiu          $t9, $t9, -2                  \n"  in ScaleRowDown2Box_MIPS_DSPR2()
167     "bgtz           $t9, 21b                      \n"  in ScaleRowDown2Box_MIPS_DSPR2()
177     "t6", "t7", "t8", "t9"  in ScaleRowDown2Box_MIPS_DSPR2()
187       "srl            $t9, %[dst_width], 3          \n"  in ScaleRowDown4_MIPS_DSPR2()
188       "beqz           $t9, 2f                       \n"  in ScaleRowDown4_MIPS_DSPR2()
208       "addiu          $t9, $t9, -1                  \n"  in ScaleRowDown4_MIPS_DSPR2()
211       "bgtz           $t9, 1b                       \n"  in ScaleRowDown4_MIPS_DSPR2()
215       "andi           $t9, %[dst_width], 7          \n"  // residue  in ScaleRowDown4_MIPS_DSPR2()
216       "beqz           $t9, 3f                       \n"  in ScaleRowDown4_MIPS_DSPR2()
222       "addiu          $t9, $t9, -1                  \n"  in ScaleRowDown4_MIPS_DSPR2()
224       "bgtz           $t9, 21b                      \n"  in ScaleRowDown4_MIPS_DSPR2()
233         "t6", "t7", "t8", "t9"  in ScaleRowDown4_MIPS_DSPR2()
248       "srl           $t9, %[dst_width], 1         \n"  in ScaleRowDown4Box_MIPS_DSPR2()
283       "addiu         $t9, $t9, -1                 \n"  in ScaleRowDown4Box_MIPS_DSPR2()
284       "bgtz          $t9, 1b                      \n"  in ScaleRowDown4Box_MIPS_DSPR2()
313         "t6","t7", "t8", "t9"  in ScaleRowDown4Box_MIPS_DSPR2()
333       "precrq.qb.ph    $t9, $t6, $t8                      \n"  // |23|21|31|30|  in ScaleRowDown34_MIPS_DSPR2()
338       "ins             $t8, $t9, 8, 16                    \n"  // |X|31|29|28|  in ScaleRowDown34_MIPS_DSPR2()
341       "packrl.ph       $t9, $t7, $t9                      \n"  // |25|24|23|21|  in ScaleRowDown34_MIPS_DSPR2()
350       "sw              $t9, 16(%[dst])                    \n"  in ScaleRowDown34_MIPS_DSPR2()
360         "t6","t7", "t8", "t9"  in ScaleRowDown34_MIPS_DSPR2()