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authorMike Pall <mike>2020-05-22 03:28:52 +0200
committerMike Pall <mike>2020-05-22 03:28:52 +0200
commit2f3f07882fb4ad9c64967d7088461b1ca0a25d3a (patch)
tree5cc6dbd0f7d2b60f08202bca84b7422b404e5bc5
parentcc4bbec483d3f3250b519ccb7cc22f1a8e6fe6f0 (diff)
downloadluajit2-2f3f07882fb4ad9c64967d7088461b1ca0a25d3a.tar.gz
Fix bytecode register allocation for comparisons.
-rw-r--r--src/lj_parse.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/lj_parse.c b/src/lj_parse.c
index 74dd5706..e18f4bfb 100644
--- a/src/lj_parse.c
+++ b/src/lj_parse.c
@@ -851,9 +851,12 @@ static void bcemit_comp(FuncState *fs, BinOpr opr, ExpDesc *e1, ExpDesc *e2)
e1 = e2; e2 = eret; /* Swap operands. */
op = ((op-BC_ISLT)^3)+BC_ISLT;
expr_toval(fs, e1);
+ ra = expr_toanyreg(fs, e1);
+ rd = expr_toanyreg(fs, e2);
+ } else {
+ rd = expr_toanyreg(fs, e2);
+ ra = expr_toanyreg(fs, e1);
}
- rd = expr_toanyreg(fs, e2);
- ra = expr_toanyreg(fs, e1);
ins = BCINS_AD(op, ra, rd);
}
/* Using expr_free might cause asserts if the order is wrong. */