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Fixed a bug

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1717 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2002-12-05 12:59:07 +00:00
parent cca009fe78
commit e4d25caa56
1 changed files with 10 additions and 2 deletions
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12
src/cc65/coptstop.c
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@ -711,8 +711,16 @@ unsigned OptStackOps (CodeSeg* S)
/* Handling depends if we're inside a sequence or not */
if (InSeq) {
if (((E->Use & REG_SP) != 0 &&
(E->AM != AM65_ZP_INDY || RegValIsUnknown (E->RI->In.RegY)))) {
/* If we are using the stack, and we don't have "indirect Y"
* addressing mode, or the value of Y is unknown, or less than
* two, we cannot cope with this piece of code. Having an unknown
* value of Y means that we cannot correct the stack offset, while
* having an offset less than two means that the code works with
* the value on stack which is to be removed.
*/
if ((E->Use & REG_SP) != 0 &&
(E->AM != AM65_ZP_INDY || RegValIsUnknown (E->RI->In.RegY) ||
E->RI->In.RegY < 2)) {
/* All this stuff is not allowed in a sequence */
InSeq = 0;