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Use bcc instead of bne in OptNegAX2 to ease optimizations.

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This commit is contained in:
acqn
2020-09-18 20:22:58 +08:00
committed by Oliver Schmidt
parent 4f3a96a535
commit 9c776a24e5
2 changed files with 4 additions and 4 deletions
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6
src/cc65/coptneg.c
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@@ -480,7 +480,7 @@ unsigned OptNegAX2 (CodeSeg* S)
** eor #$FF ** eor #$FF
** clc ** clc
** adc #$01 ** adc #$01
** bne L1 ** bcc L1
** inx ** inx
** L1: ** L1:
** **
@@ -528,8 +528,8 @@ unsigned OptNegAX2 (CodeSeg* S)
/* Get the label attached to the insn following the call */ /* Get the label attached to the insn following the call */
L = CS_GenLabel (S, P); L = CS_GenLabel (S, P);
/* bne L */ /* bcc L */
X = NewCodeEntry (OP65_BNE, AM65_BRA, L->Name, L, E->LI); X = NewCodeEntry (OP65_BCC, AM65_BRA, L->Name, L, E->LI);
CS_InsertEntry (S, X, I+5); CS_InsertEntry (S, X, I+5);
/* inx */ /* inx */

2
src/cc65/coptneg.h
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@@ -155,7 +155,7 @@ unsigned OptNegAX2 (CodeSeg* S);
** eor #$FF ** eor #$FF
** clc ** clc
** adc #$01 ** adc #$01
** bne L1 ** bcc L1
** inx ** inx
** L1: ** L1:
** **