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-rw-r--r--riscv/insns/ksubw.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/riscv/insns/ksubw.h b/riscv/insns/ksubw.h
index 49c6385..7bd5cdb 100644
--- a/riscv/insns/ksubw.h
+++ b/riscv/insns/ksubw.h
@@ -1,3 +1,4 @@
+require_vector_vs;
require_extension('P');
sreg_t res = (sreg_t)P_SW(RS1, 0) - (sreg_t)P_SW(RS2, 0);
P_SAT(res, 32);