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authorMike Frysinger <vapier@gentoo.org>2023-12-24 05:21:30 -0500
committerMike Frysinger <vapier@gentoo.org>2024-01-01 10:56:08 -0500
commitf793be444cc72d818064b0c9b98ecd25f781a38d (patch)
tree7720d19175867bae845290952ed1ffbd44eeb993 /cpu
parent361a6d49c6526dcff3b530c8ceefcce95fe1b9d0 (diff)
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sim: frv: fix cmpb uninitialized variable usage
This code sets up the cc variable based on the comparison of other registers, but it does so incrementally with bit operations, and it never initializes the cc variable. Initialize it to 0 which the cmpba insn is already doing.
Diffstat (limited to 'cpu')
-rw-r--r--cpu/frv.cpu1
1 files changed, 1 insertions, 0 deletions
diff --git a/cpu/frv.cpu b/cpu/frv.cpu
index cdb169e..d2fe7c6 100644
--- a/cpu/frv.cpu
+++ b/cpu/frv.cpu
@@ -4266,6 +4266,7 @@
"cmpb$pack $GRi,$GRj,$ICCi_1"
(+ pack (GRk-null) OP_00 GRi ICCi_1 OPE2_0C GRj)
(sequence ((QI cc))
+ (set cc 0)
(set-n cc (eq (and GRi #xff000000) (and GRj #xff000000)))
(set-z cc (eq (and GRi #x00ff0000) (and GRj #x00ff0000)))
(set-v cc (eq (and GRi #x0000ff00) (and GRj #x0000ff00)))