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-rw-r--r--riscv/insns/pm2sub_w.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/riscv/insns/pm2sub_w.h b/riscv/insns/pm2sub_w.h
new file mode 100644
index 00000000..4e7c8307
--- /dev/null
+++ b/riscv/insns/pm2sub_w.h
@@ -0,0 +1,8 @@
+require_rv64;
+P_REDUCTION_LOOP(64, 32, false, false, {
+ if (j & 1)
+ p_res -= (sreg_t)p_rs1 * p_rs2;
+ else
+ p_res += (sreg_t)p_rs1 * p_rs2;
+}
+)