target/arm: Use TCG_COND_TSTNE in gen_cmtst_vec

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-20-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index e64ca02e0c15b2c5ddde2c94f76b66ae161a5410..2451d23823ff9b402852a270f2659bc31f970fc7 100644 (file)
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -944,9 +944,7 @@ void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
 
 static void gen_cmtst_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
 {
-    tcg_gen_and_vec(vece, d, a, b);
-    tcg_gen_dupi_vec(vece, a, 0);
-    tcg_gen_cmp_vec(TCG_COND_NE, vece, d, d, a);
+    tcg_gen_cmp_vec(TCG_COND_TSTNE, vece, d, a, b);
 }
 
 void gen_gvec_cmtst(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,