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Update ch3-05-control-flow.md

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fix errors.
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smallwhite 2019-02-20 20:05:00 +08:00 committed by GitHub
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1 changed files with 3 additions and 3 deletions
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ch3-asm/ch3-05-control-flow.md
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@ -214,7 +214,7 @@ LOOP_END:
``` ```
// func LoopAdd(cnt, v0, step int) int // func LoopAdd(cnt, v0, step int) int
TEXT ·LoopAdd(SB), NOSPLIT, $0-32 TEXT ·LoopAdd(SB), $0-32
MOVQ cnt+0(FP), AX // cnt MOVQ cnt+0(FP), AX // cnt
MOVQ v0+8(FP), BX // v0/result MOVQ v0+8(FP), BX // v0/result
MOVQ step+16(FP), CX // step MOVQ step+16(FP), CX // step
@ -225,12 +225,12 @@ LOOP_BEGIN:
LOOP_IF: LOOP_IF:
CMPQ DX, AX // compare i, cnt CMPQ DX, AX // compare i, cnt
JL LOOP_BODY // if i < cnt: goto LOOP_BODY JL LOOP_BODY // if i < cnt: goto LOOP_BODY
goto LOOP_END JMP LOOP_END
LOOP_BODY: LOOP_BODY:
ADDQ $1, DX // i++ ADDQ $1, DX // i++
ADDQ CX, BX // result += step ADDQ CX, BX // result += step
goto LOOP_IF JMP LOOP_IF
LOOP_END: LOOP_END: