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-rw-r--r--riscV/Asm.v3
1 files changed, 2 insertions, 1 deletions
diff --git a/riscV/Asm.v b/riscV/Asm.v
index 9a4b2a57..5d3518f2 100644
--- a/riscV/Asm.v
+++ b/riscV/Asm.v
@@ -957,7 +957,8 @@ Definition exec_instr (f: function) (i: instruction) (rs: regset) (m: mem) : out
end
| Pselectl rd rb rt rf =>
Next (nextinstr (rs#rd <- (ExtValues.select01_long
- (rs###rb) (rs###rt) (rs###rf)))) m
+ (rs###rb) (rs###rt) (rs###rf)))
+ #X31 <- Vundef) m
| Plabel lbl =>
Next (nextinstr rs) m
| Ploadsymbol rd s ofs =>