gui__divideround32.txt

来自「STM32F103ZET6+UCOSII+UCGUI源码」· 文本 代码 · 共 35 行

; generated by ARM C/C++ Compiler with , RVCT4.0 [Build 524] for uVision
; commandline ArmCC [--split_sections --debug -c --asm --interleave -o.\Obj\gui__divideround32.o --depend=.\Obj\gui__divideround32.d --device=DARMSTM --apcs=interwork -O3 -I..\..\include -I..\..\..\FWLib\library\inc -I..\..\..\USBLib\library\inc -I..\..\Config -I..\..\GUI\Core -I..\..\GUI\Font -I..\..\GUI\ConvertColor -I..\..\GUI\AntiAlias -I..\..\GUI\ConvertMono -I..\..\GUI\JPEG -I..\..\GUI\MemDev -I..\..\GUI\MultiLayer -I..\..\GUI\Widget -I..\..\GUI\WM -IC:\Keil\ARM\INC\ST\STM32F10x ..\..\GUI\Core\GUI__DivideRound32.c]
                          THUMB

                          AREA ||i.GUI__DivideRound32||, CODE, READONLY, ALIGN=1

                  GUI__DivideRound32 PROC
;;;35     */
;;;36     I32 GUI__DivideRound32(I32 a, I32 b) {
000000  b149              CBZ      r1,|L1.22|
;;;37       if (b) {
;;;38         if (a < 0) {
000002  2800              CMP      r0,#0
000004  da02              BGE      |L1.12|
;;;39           return (a - (b >> 1)) / b;
000006  eba00061          SUB      r0,r0,r1,ASR #1
00000a  e001              B        |L1.16|
                  |L1.12|
;;;40         } else {
;;;41           return (a + (b >> 1)) / b;
00000c  eb000061          ADD      r0,r0,r1,ASR #1
                  |L1.16|
000010  fb90f0f1          SDIV     r0,r0,r1
;;;42         }
;;;43       }
;;;44       return 0;
;;;45     }
000014  4770              BX       lr
                  |L1.22|
000016  2000              MOVS     r0,#0                 ;44
000018  4770              BX       lr
;;;46     
                          ENDP