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Fixed a bug

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git-svn-id: svn://svn.cc65.org/cc65/trunk@895 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2001-09-12 18:20:30 +00:00
parent 745cf9a6b3
commit 1a39515769
1 changed files with 9 additions and 1 deletions
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10
src/cc65/codeopt.c
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@ -1,3 +1,4 @@
/*****************************************************************************/
/* */
/* codeopt.c */
@ -552,7 +553,7 @@ static unsigned OptAdd1 (CodeSeg* S)
*
* and replace it by:
*
* ldy xxx
* ldy xxx-2
* clc
* adc (sp),y
* bcc L
@ -576,6 +577,7 @@ static unsigned OptAdd1 (CodeSeg* S)
strcmp (E->Arg, "pushax") == 0 &&
CS_GetEntries (S, L, I+1, 5) &&
L[0]->OPC == OP65_LDY &&
CE_KnownImm (L[0]) &&
!CE_HasLabel (L[0]) &&
L[1]->OPC == OP65_LDX &&
CE_KnownImm (L[1]) &&
@ -589,10 +591,16 @@ static unsigned OptAdd1 (CodeSeg* S)
CodeEntry* X;
CodeLabel* Label;
char Buf [16];
/* Remove the call to pushax */
CS_DelEntry (S, I);
/* Correct the stack offset (needed since pushax was removed) */
L[0]->Num -= 2;
xsprintf (Buf, sizeof (Buf), "$%02lX", L[0]->Num);
CE_SetArg (L[0], Buf);
/* Add the clc . */
X = NewCodeEntry (OP65_CLC, AM65_IMP, 0, 0, L[3]->LI);
CS_InsertEntry (S, X, I+1);