rvv: fix vmul.v[vx]

don't need mask and mask is overflow in original code

Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/riscv/insns/vmul_vx.h b/riscv/insns/vmul_vx.h
index 931ddc4..72e9bbc 100644
--- a/riscv/insns/vmul_vx.h
+++ b/riscv/insns/vmul_vx.h
@@ -1,9 +1,5 @@
 // vmul
-reg_t vsew = p->VU.vsew;
-uint64_t lo_mask = ((uint64_t)1 << vsew) - 1;
-
 VI_VX_LOOP
 ({
-    int64_t result = rs1 * vs2;
-	vd = result & lo_mask;
+  vd = vs2 * rs1;
 })