dopt3.asm

DSP培训 作业【源码】

;******************************************************************************
;* TMS320C6x C/C++ Codegen                                    PC Version 4.32 *
;* Date/Time created: Mon Nov 06 17:11:17 2006                                *
;******************************************************************************

;******************************************************************************
;* GLOBAL FILE PARAMETERS                                                     *
;*                                                                            *
;*   Architecture      : TMS320C64xx                                          *
;*   Optimization      : Enabled at level 3                                   *
;*   Optimizing for    : Speed                                                *
;*                       Based on options: -o3, no -ms                        *
;*   Endian            : Little                                               *
;*   Interrupt Thrshld : Disabled                                             *
;*   Memory Model      : Small                                                *
;*   Calls to RTS      : Near                                                 *
;*   Pipelining        : Enabled                                              *
;*   Speculative Load  : Disabled                                             *
;*   Memory Aliases    : Presume are aliases (pessimistic)                    *
;*   Debug Info        : COFF Debug                                           *
;*                                                                            *
;******************************************************************************

	.asg	A15, FP
	.asg	B14, DP
	.asg	B15, SP
	.global	$bss

	.file	"dopt3.c"
;	c:\ti\c6000\cgtools\bin\opt6x.exe -v6400 -O3 C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\TI1576_2 C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\TI1576_5 -w D:/DM64xApp/5stsrc/debugc/Debug 

	.sect	".text"
	.global	_dopt3
	.sym	_dopt3,_dopt3, 36, 2, 0
	.func	2

;******************************************************************************
;* FUNCTION NAME: _dopt3                                                      *
;*                                                                            *
;*   Regs Modified     : A0,A3,A4,A5,A6,A7,A8,A9,B0,B4,B5,B6,A16              *
;*   Regs Used         : A0,A3,A4,A5,A6,A7,A8,A9,B0,B3,B4,B5,B6,DP,SP,A16     *
;*   Local Frame Size  : 0 Args + 0 Auto + 0 Save = 0 byte                    *
;******************************************************************************

;******************************************************************************
;*                                                                            *
;* Using -g (debug) with optimization (-o3) may disable key optimizations!    *
;*                                                                            *
;******************************************************************************
_dopt3:
;** --------------------------------------------------------------------------*
	.line	2
	.sym	_a,4, 19, 17, 32
	.sym	_b,20, 19, 17, 32
	.sym	_N,6, 4, 17, 32
	.sym	_sum1,8, 4, 4, 32
	.sym	_sum0,7, 4, 4, 32
	.sym	_a,3, 19, 4, 32
	.sym	_b,3, 19, 4, 32
	.sym	_N,6, 4, 4, 32
           MV      .D1X    B4,A3             ; |3| 
	.line	9
           ADD     .D1     1,A6,A5           ; |10| 
           NOP             1
           SHR     .S2X    A5,1,B6           ; |10| 
	.line	5
           MVC     .S2     CSR,B4
           AND     .D2     -2,B4,B5

           SUB     .D2     B6,3,B0
||         MVC     .S2     B5,CSR            ; interrupts off

;*----------------------------------------------------------------------------*
;*   SOFTWARE PIPELINE INFORMATION
;*
;*      Loop source line                 : 9
;*      Loop opening brace source line   : 10
;*      Loop closing brace source line   : 12
;*      Known Minimum Trip Count         : 100
;*      Known Max Trip Count Factor      : 1
;*      Loop Carried Dependency Bound(^) : 0
;*      Unpartitioned Resource Bound     : 1
;*      Partitioned Resource Bound(*)    : 2
;*      Resource Partition:
;*                                A-side   B-side
;*      .L units                     0        0     
;*      .S units                     0        1     
;*      .D units                     2*       0     
;*      .M units                     1        0     
;*      .X cross paths               0        0     
;*      .T address paths             2*       2*    
;*      Long read paths              0        0     
;*      Long write paths             0        0     
;*      Logical  ops (.LS)           0        0     (.L or .S unit)
;*      Addition ops (.LSD)          2        0     (.L or .S or .D unit)
;*      Bound(.L .S .LS)             0        1     
;*      Bound(.L .S .D .LS .LSD)     2*       1     
;*
;*      Searching for software pipeline schedule at ...
;*         ii = 2  Schedule found with 6 iterations in parallel
;*      Done
;*
;*      Epilog not removed
;*      Collapsed epilog stages     : 0
;*
;*      Prolog not entirely removed
;*      Collapsed prolog stages     : 3
;*
;*      Minimum required memory pad : 0 bytes
;*
;*      For further improvement on this loop, try option -mh12
;*
;*      Minimum safe trip count     : 5
;*----------------------------------------------------------------------------*
L1:    ; PIPED LOOP PROLOG
   [ B0]   BDEC    .S2     L2,B0             ; |12| (P) <0,5> 

           MV      .S1     A4,A6
||         LDNW    .D1T1   *A3++(4),A16      ; |10| (P) <0,0> 

           ZERO    .S1     A8                ; |6| 
||         LDNW    .D1T1   *A6++(4),A9       ; |10| (P) <0,1> 
|| [ B0]   BDEC    .S2     L2,B0             ; |12| (P) <1,5> 

           ZERO    .L1     A7                ; |6| 
||         MVK     .S1     0x4000,A0         ; init prolog collapse predicate
||         LDNW    .D1T1   *A3++(4),A16      ; |10| (P) <1,0> 

;** --------------------------------------------------------------------------*
L2:    ; PIPED LOOP KERNEL

   [ A0]   MPYSU   .M1     2,A0,A0           ; <0,9> 
|| [ B0]   BDEC    .S2     L2,B0             ; |12| <2,5> 
||         LDNW    .D1T1   *A6++(4),A9       ; |10| <4,1> 

   [!A0]   ADD     .S1     A4,A7,A7          ; |10| <0,10> 
|| [!A0]   ADD     .L1     A5,A8,A8          ; |11| <0,10> 
||         MPY2    .M1     A9,A16,A5:A4      ; |10| <2,6> 
||         LDNW    .D1T1   *A3++(4),A16      ; |10| <5,0> 

;** --------------------------------------------------------------------------*
L3:    ; PIPED LOOP EPILOG
           LDNW    .D1T1   *A6++(4),A9       ; |10| (E) <5,1> 

           ADD     .D1     A4,A7,A3          ; |10| (E) <1,10> 
||         ADD     .S1     A5,A8,A6          ; |11| (E) <1,10> 
||         MPY2    .M1     A9,A16,A5:A4      ; |10| (E) <3,6> 

           NOP             1

           ADD     .D1     A4,A3,A6          ; |10| (E) <2,10> 
||         ADD     .S1     A5,A6,A3          ; |11| (E) <2,10> 
||         MPY2    .M1     A9,A16,A5:A4      ; |10| (E) <4,6> 

           NOP             1

           ADD     .D1     A4,A6,A3          ; |10| (E) <3,10> 
||         ADD     .S1     A5,A3,A6          ; |11| (E) <3,10> 
||         MPY2    .M1     A9,A16,A5:A4      ; |10| (E) <5,6> 

           NOP             1

           ADD     .D1     A5,A6,A3          ; |11| (E) <4,10> 
||         ADD     .S1     A4,A3,A6          ; |10| (E) <4,10> 

           MVC     .S2     B4,CSR            ; interrupts on

           ADD     .D1     A4,A6,A4          ; |10| (E) <5,10> 
||         ADD     .S1     A5,A3,A3          ; |11| (E) <5,10> 

	.line	13
           ADD     .D1     A3,A4,A4          ; |14| 
	.line	14
           RETNOP  .S2     B3,5              ; |15| 
           ; BRANCH OCCURS                   ; |15| 
	.endfunc	15,000000000h,0



;******************************************************************************
;* TYPE INFORMATION                                                           *
;******************************************************************************