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Check for usage of Y instead of reloading it. The latter will destroy the

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flags from load of A.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4055 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz 2009-08-27 16:38:27 +00:00
parent 7c55f30627
commit 1b4e2111c3
1 changed files with 2 additions and 6 deletions
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8
src/cc65/coptptrload.c
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@ -566,7 +566,6 @@ unsigned OptPtrLoad6 (CodeSeg* S)
* tay * tay
* ldx #$00 * ldx #$00
* lda (ptr1),y * lda (ptr1),y
* ldy #$00
*/ */
{ {
unsigned Changes = 0; unsigned Changes = 0;
@ -594,7 +593,8 @@ unsigned OptPtrLoad6 (CodeSeg* S)
L[5]->OPC == OP65_LDY && L[5]->OPC == OP65_LDY &&
CE_IsKnownImm (L[5], 0) && CE_IsKnownImm (L[5], 0) &&
CE_IsCallTo (L[6], "ldauidx") && CE_IsCallTo (L[6], "ldauidx") &&
!CS_RangeHasLabel (S, I+1, 6)) { !CS_RangeHasLabel (S, I+1, 6) &&
!RegYUsed (S, I+7)) {
CodeEntry* X; CodeEntry* X;
const char* Arg; const char* Arg;
@ -628,10 +628,6 @@ unsigned OptPtrLoad6 (CodeSeg* S)
X = NewCodeEntry (OP65_LDA, AM65_ZP_INDY, "ptr1", 0, L[6]->LI); X = NewCodeEntry (OP65_LDA, AM65_ZP_INDY, "ptr1", 0, L[6]->LI);
CS_InsertEntry (S, X, I+13); CS_InsertEntry (S, X, I+13);
/* ldy #$00 (will eventually get removed later) */
X = NewCodeEntry (OP65_LDY, AM65_IMM, "$00", 0, L[5]->LI);
CS_InsertEntry (S, X, I+14);
/* Remove the old code */ /* Remove the old code */
CS_DelEntries (S, I, 7); CS_DelEntries (S, I, 7);