6502/cc65
1
0
Fork 0
mirror of https://github.com/cc65/cc65.git synced 2024-11-19 21:32:19 +00:00
Code Issues Projects Releases Wiki Activity

If the previous insn may be skipped, we cannot simply predict the output values of the registers.

Browse Source
This commit is contained in:
acqn 2020-01-03 08:20:28 +08:00 committed by Oliver Schmidt
parent 53eb6a948d
commit 2220c58f51
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/cc65/codeseg.c
View File

@ -1560,9 +1560,9 @@ void CS_GenRegInfo (CodeSeg* S)
/* If this insn is a branch on zero flag, we may have more info on
** register contents for one of both flow directions, but only if
** there is a previous instruction.
** we've gone through a previous instruction.
*/
if ((E->Info & OF_ZBRA) != 0 && (P = CS_GetPrevEntry (S, I)) != 0) {
if (LabelCount == 0 && (E->Info & OF_ZBRA) != 0 && (P = CS_GetPrevEntry (S, I)) != 0) {
/* Get the branch condition */
bc_t BC = GetBranchCond (E->OPC);