6502/cc65
1
0
Fork 0
mirror of https://github.com/cc65/cc65.git synced 2024-09-29 02:55:20 +00:00
Code Issues Projects Releases Wiki Activity

Fixed a bug

Browse Source 
git-svn-id: svn://svn.cc65.org/cc65/trunk@1714 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2002-12-04 11:03:15 +00:00
parent df5132d31c
commit 867b2ea2ed
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/cc65/coptstop.c
View File

@ -208,8 +208,12 @@ static void CheckDirectOp (StackOpData* D)
if (E->AM == AM65_IMM || E->AM == AM65_ZP || E->AM == AM65_ABS) {
/* These insns are all ok and replaceable */
D->Flags |= OP_DIRECT;
} else if (E->AM == AM65_ZP_INDY && RegValIsKnown (E->RI->In.RegY)) {
/* Load indirect with known offset is also ok */
} else if (E->AM == AM65_ZP_INDY && RegValIsKnown (E->RI->In.RegY) &&
strcmp (E->Arg, D->ZPLo) != 0 && strcmp (E->Arg, D->ZPHi) != 0) {
/* Load indirect with known offset is also ok, provided that
* the zeropage location used is not the same as the one we're
* using for the temp storage.
*/
D->Flags |= (OP_DIRECT | OP_RELOAD_Y);
}
}