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Fixed a bug

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1242 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2002-04-17 18:52:03 +00:00
parent 3dcb7dba3b
commit 99de22ffe2
1 changed files with 10 additions and 5 deletions
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15
src/cc65/coptind.c
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@@ -500,8 +500,13 @@ unsigned OptJumpTarget (CodeSeg* S)
/* Get next entry */ /* Get next entry */
E2 = CS_GetNextEntry (S, I); E2 = CS_GetNextEntry (S, I);
/* Check if we have a jump or branch, and a matching label */ /* Check if we have a jump or branch, and a matching label, which
if (E2 && (E2->Info & OF_UBRA) != 0 && E2->JumpTo) { * is not attached to the jump itself
*/
if (E2 != 0 &&
(E2->Info & OF_UBRA) != 0 &&
E2->JumpTo &&
E2->JumpTo->Owner != E2) {
/* Get the entry preceeding the branch target */ /* Get the entry preceeding the branch target */
T1 = CS_GetPrevEntry (S, CS_GetEntryIndex (S, E2->JumpTo->Owner)); T1 = CS_GetPrevEntry (S, CS_GetEntryIndex (S, E2->JumpTo->Owner));
@@ -908,7 +913,7 @@ unsigned OptDupLoads (CodeSeg* S)
if (In->RegA >= 0 && if (In->RegA >= 0 &&
In->RegA == In->RegX && In->RegA == In->RegX &&
(N = CS_GetNextEntry (S, I)) != 0 && (N = CS_GetNextEntry (S, I)) != 0 &&
!CE_UseLoadFlags (N)) { !CE_UseLoadFlags (N)) {
/* Value is identical and not followed by a branch */ /* Value is identical and not followed by a branch */
Delete = 1; Delete = 1;
} }
@@ -967,7 +972,7 @@ unsigned OptDupLoads (CodeSeg* S)
} }
/* Free register info */ /* Free register info */
CS_FreeRegInfo (S); CS_FreeRegInfo (S);
/* Return the number of changes made */ /* Return the number of changes made */
@@ -1060,7 +1065,7 @@ unsigned OptTransfers (CodeSeg* S)
*/ */
if ((X = CS_GetNextEntry (S, I+1)) == 0) { if ((X = CS_GetNextEntry (S, I+1)) == 0) {
goto NextEntry; goto NextEntry;
} }
if (CE_UseLoadFlags (X)) { if (CE_UseLoadFlags (X)) {
if (I == 0) { if (I == 0) {
/* No preceeding entry */ /* No preceeding entry */