32bytes_9cycle_osd.txt

一个TIDM642DSP处理器测试程序

.global _osd
      ;.global _MyFun
; A4 --> pIn0
; B4 --> pMask
; A6 --> nlongth
;_MyFun:
   ;     mvk .s1 0x3,a1
    ;    mvk .s1 0x2,a2
    ;    and .l1 a1,a2,a1
     
     ;   cmpeq4 .s1 a2,a1,a2
     ;   xpnd4 .m1 a1,a1
_osd:
     ; mvkl .s1 0x7c3839b0,a4
     ; mvkh .s1 0x7c3839b0,a4
     ; mvkl .s2 0x7c383800,b4
     ; mvkh .s2 0x7c383800,b4
      
      lddw .d2 *b4++,a29:a28
   || MV .S1 A6,a1
   || mv .L2 b4,b5
      lddw .d1 *a4++,a31:a30
   || lddw .d2 *b4++,b29:b28    ;++++1
   || zero .l1 a9
   || mv .s1 a4,a5
   
   
   
   ; lddw .d2 *b4++,b29:b28
   ;|| lddw .d1 *a4++,b31:b30
      lddw .d1 *a4++,b31:b30    ;++++1
   || SHR 	.S1 	A1,5,A1	
      SUB .S1 A1,2,A1	
      lddw .d2 *b4++,a21:a20
      lddw .d1 *a4++,a23:a22
      lddw .d2 *b4++,b21:b20
      lddw .d1 *a4++,b23:b22
      
      ;Get a29,a28 (mask64_1)

      cmpeq4 .s1 a9,a29,a27  ;+++++0
      
      ;Get a31,a30 (src64_1);Get b29,b28(mask64_2)
 
      xpnd4  .m1 a27,a25     ;+++++0
   || cmpeq4 .s1 a9,a28,a26  ;+++++0
   || cmpeq4 .s2x a9,b29,b27 ;+++++1
   
LOOP:  
      xpnd4  .m1 a26,a24     ;+++++0
   || xpnd4  .m2 b27,b25     ;+++++1
   || cmpeq4 .s2 a9,b28,b26  ;+++++1
   || cmpeq4 .s1 a9,a21,a19  ;+++++4
      ;Get b31,b30 (src64_2)
      and .l1 a25,a31,a31    ;+++++0
   || xpnd4  .m2 b26,b24     ;+++++1 
   || xpnd4  .m1 a19,a17     ;+++++4
   || cmpeq4 .s1 a9,a20,a18  ;+++++5
   
      and .s1  a24,a30,a30   ;+++++0
   || and .l2 b25,b31,b31     ;+++++1
   || xpnd4  .m1 a18,a16      ;+++++5
   || cmpeq4 .s2 a9,b21,b19   ;+++++6
      or  .l1 a29,a31,a31     ;+++++0
   || and .d2 b24,b30,b30     ;+++++1
   || or  .l2 b29,b31,b31     ;+++++1
   || and .s1 a17,a23,a23     ;+++++4
   || xpnd4  .m2 b19,b17      ;+++++6
   || cmpeq4 .s2 a9,b20,b18   ;+++++7
      or  .l1 a28,a30,a30
   || or  .l2 b28,b30,b30     ;+++++1
   || or  .s1 a21,a23,a23     ;+++++4
   || and .d1  a16,a22,a22    ;+++++5
   || xpnd4  .m2 b18,b16      ;+++++7
   || lddw .d2 *b4++,a29:a28 ;loop+1
      stdw .d1 a31:a30,*a5++
   || or  .l1 a20,a22,a22     ;+++++5
   || and .l2 b17,b23,b23     ;+++++6
  
      lddw .d1 *a4++,a31:a30  ;loop+2
      
      lddw .d2 *b4++,b29:b28  ;loop+3
      stdw .d1t2 b31:b30,*a5++  ;+++++1
   || or  .l2 b21,b23,b23     ;+++++6
   || and .s2 b16,b22,b22     ;+++++7
   || BDEC 	.S1  LOOP, A1     ;JUMP
      lddw .d1 *a4++,b31:b30  ;loop+4
   || lddw .d2 *b4++,a21:a20  ;loop+5
   || or  .l2 b20,b22,b22     ;+++++7
   || cmpeq4 .s1 a9,a29,a27   ;+++++0
   
      stdw .d1 a23:a22,*a5++  ;+++++5
   || lddw .d2 *b4++,b21:b20  ;loop+7
   
      stdw .d1 b23:b22,*a5++  ;+++++7
  
      lddw .d1 *a4++,a23:a22  ;loop+6
   || xpnd4  .m1 a27,a25
   || cmpeq4 .s1 a9,a28,a26
   || cmpeq4 .s2x a9,b29,b27 ;+++++1
      lddw .d1 *a4++,b23:b22  ;loop+8
   
      b .s2 b3
      nop 5