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[xcc] minor performance tweaks
[riscv-isa-sim.git]
/
riscv
/
insns
/
divu.h
diff --git
a/riscv/insns/divu.h
b/riscv/insns/divu.h
index 35eee14eae11774afdcbb4d27c49d2c51b6994e0..681afd217bbbda882d88de0c7a93848c8ed0d6fa 100644
(file)
--- a/
riscv/insns/divu.h
+++ b/
riscv/insns/divu.h
@@
-1,2
+1,4
@@
-require64;
-RDR = RS1 / RS2;
+if(RS2 == 0)
+ RD = UINT64_MAX;
+else
+ RD = sext_xprlen(zext_xprlen(RS1) / zext_xprlen(RS2));