A cast of an OP_AND can be simplified away if the mask
already 'cover' the value.
However this cannot be done if the cast is in fact
a sign-extension.
Fix this by adding the appropriate check of OP_CAST vs. OP_SCAST
Fixes: caeaf72d34d1e91aaea7340241232d1d877907b7
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
simplify.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/simplify.c b/simplify.c
index 23cdd19ae..daf91d82b 100644
--- a/simplify.c
+++ b/simplify.c
@@ -1046,7 +1046,7 @@ static int simplify_cast(struct instruction *insn)
}
/* A cast of a "and" might be a no-op.. */
- if (def_opcode(src) == OP_AND) {
+ if (insn->opcode == OP_CAST && def_opcode(src) == OP_AND) {
struct instruction *def = src->def;
if (def->size >= size) {
pseudo_t val = def->src2;
--
2.13.2
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