target/arm: Use TCG_COND_TSTNE in gen_cmtst_{i32, i64}

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-19-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 6dc96269d5e8fe8ed4becf203cb9520fafcfbd9b..e64ca02e0c15b2c5ddde2c94f76b66ae161a5410 100644 (file)
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -934,14 +934,12 @@ void gen_gvec_mls(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
 /* CMTST : test is "if (X & Y != 0)". */
 static void gen_cmtst_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
 {
-    tcg_gen_and_i32(d, a, b);
-    tcg_gen_negsetcond_i32(TCG_COND_NE, d, d, tcg_constant_i32(0));
+    tcg_gen_negsetcond_i32(TCG_COND_TSTNE, d, a, b);
 }
 
 void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
 {
-    tcg_gen_and_i64(d, a, b);
-    tcg_gen_negsetcond_i64(TCG_COND_NE, d, d, tcg_constant_i64(0));
+    tcg_gen_negsetcond_i64(TCG_COND_TSTNE, d, a, b);
 }
 
 static void gen_cmtst_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)