Support setting ISA/subsets with --isa flag

[riscv-isa-sim.git] / riscv / insns / rem.h

diff --git a/riscv/insns/rem.h b/riscv/insns/rem.h
index 9192428e37519adac62cd422e28490aa20a7f4c1..858799577ccbc4875aa38932455c5d54261b545b 100644 (file)
--- a/riscv/insns/rem.h
+++ b/riscv/insns/rem.h
@@ -1,2 +1,9 @@
-require64;
-RDR = sreg_t(RS1) % sreg_t(RS2);
+require_extension('M');
+sreg_t lhs = sext_xlen(RS1);
+sreg_t rhs = sext_xlen(RS2);
+if(rhs == 0)
+  WRITE_RD(lhs);
+else if(lhs == INT64_MIN && rhs == -1)
+  WRITE_RD(0);
+else
+  WRITE_RD(sext_xlen(lhs % rhs));