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This commit is contained in:
Colin Leroy-Mira
2025-07-20 16:14:35 +02:00
parent 8ba1cef550
commit 8a793796d7
1 changed files with 19 additions and 22 deletions
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41
src/cc65/coptptrload.c
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@@ -1529,8 +1529,8 @@ unsigned OptPtrLoad18 (CodeSeg* S)
X = NewCodeEntry (OP65_LDX, AM65_IMM, "$00", 0, L[0]->LI);
CS_InsertEntry (S, X, I+9);
Label = xmalloc(6);
sprintf(Label, "$%s%s", L[0]->Arg+1, L[1]->Arg+1);
Label = xmalloc (6);
sprintf (Label, "$%s%s", L[0]->Arg+1, L[1]->Arg+1);
X = NewCodeEntry (OP65_LDA, AM65_ABSY, Label, 0, L[0]->LI);
CS_InsertEntry (S, X, I+10);
xfree (Label);
@@ -1593,7 +1593,7 @@ unsigned OptPtrLoad19 (CodeSeg* S)
/* Check for the sequence */
if (L[0]->OPC == OP65_LDX &&
CE_IsKnownImm(L[0], 0) &&
CE_IsKnownImm (L[0], 0) &&
CS_GetEntries (S, L+1, I+1, 11) &&
L[1]->OPC == OP65_AND &&
L[1]->AM == AM65_IMM &&
@@ -1607,12 +1607,12 @@ unsigned OptPtrLoad19 (CodeSeg* S)
L[8]->OPC == OP65_TAX &&
L[9]->OPC == OP65_TYA &&
L[10]->OPC == OP65_LDY &&
CE_IsKnownImm(L[10], 1) &&
CE_IsKnownImm (L[10], 1) &&
L[4]->Arg[0] == '<' &&
L[7]->Arg[0] == '>' &&
strlen(L[4]->Arg) > 3 &&
strlen(L[7]->Arg) > 3 &&
strcmp(L[4]->Arg+1, L[7]->Arg+1) == 0 &&
strlen (L[4]->Arg) > 3 &&
strlen (L[7]->Arg) > 3 &&
strcmp (L[4]->Arg+1, L[7]->Arg+1) == 0 &&
(strcmp (L[2]->Arg, "aslax1") == 0 ||
strcmp (L[2]->Arg, "shlax1") == 0) &&
CE_IsCallTo (L[11], "ldaxidx") &&
@@ -1620,7 +1620,7 @@ unsigned OptPtrLoad19 (CodeSeg* S)
CodeEntry* X;
char* Label;
int Len = strlen(L[4]->Arg);
int Len = strlen (L[4]->Arg);
/* Track the insertion point */
unsigned IP = I + 12;
@@ -1641,7 +1641,7 @@ unsigned OptPtrLoad19 (CodeSeg* S)
CS_InsertEntry (S, X, IP++);
/* ldx label+1,y */
strcpy(&Label[Len-3], "+1");
strcpy (&Label[Len-3], "+1");
X = NewCodeEntry (OP65_LDX, AM65_ABSY, Label, 0, L[10]->LI);
CS_InsertEntry (S, X, IP++);
/* free Label memory */
@@ -1656,7 +1656,7 @@ unsigned OptPtrLoad19 (CodeSeg* S)
}
/* Remove the ldx #0 */
CS_DelEntry(S, I);
CS_DelEntry (S, I);
/* Remember, we had changes */
++Changes;
@@ -1698,22 +1698,19 @@ unsigned OptPtrLoad20 (CodeSeg* S)
/* Get the next entry */
E[0] = CS_GetEntry (S, I);
if (E[0]->OPC == OP65_JSR &&
(strcmp (E[0]->Arg, "ldax0sp") == 0 ||
strcmp (E[0]->Arg, "ldaxysp") == 0) &&
CS_GetEntries (S, E+1, I+1, 2) != 0 &&
E[1]->OPC == OP65_STA &&
strcmp(E[1]->Arg, "ptr1") == 0 &&
E[2]->OPC == OP65_STX &&
strcmp(E[2]->Arg, "ptr1+1") == 0 &&
if ((CE_IsCallTo(E[0], "ldax0sp") ||
CE_IsCallTo(E[0], "ldaxysp")) &&
CS_GetEntries (S, E+1, I+1, 2) != 0 &&
E[1]->OPC == OP65_STA &&
strcmp (E[1]->Arg, "ptr1") == 0 &&
E[2]->OPC == OP65_STX &&
strcmp (E[2]->Arg, "ptr1+1") == 0 &&
!CS_RangeHasLabel (S, I+1, 2)) {
if (strcmp (E[0]->Arg, "ldaxysp") == 0) {
xfree(E[0]->Arg);
E[0]->Arg = xstrdup("ldptr1ysp");
CE_SetArg (E[0], "ldptr1ysp");
} else {
xfree(E[0]->Arg);
E[0]->Arg = xstrdup("ldptr10sp");
CE_SetArg (E[0], "ldptr10sp");
}
/* Delete the sta/stx */
CS_DelEntries (S, I+1, 2);