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sim: frv: fix cmpb uninitialized variable usage

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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.
This commit is contained in:
Mike Frysinger
2023-12-24 05:21:30 -05:00
parent 361a6d49c6
commit f793be444c
2 changed files with 2 additions and 0 deletions
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cpu/frv.cpu
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@@ -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)))