target/arm: Convert VADD to decodetree

Convert the VADD instruction to decodetree.

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

diff --git a/target/arm/translate-vfp.inc.c b/target/arm/translate-vfp.inc.c
index 4c684f033b6b4a677ef1f162ed6569c2da4532a9..14aeb25f597daaf4abdca5183e0e12c42f4330e6 100644 (file)
--- a/target/arm/translate-vfp.inc.c
+++ b/target/arm/translate-vfp.inc.c
@@ -1451,3 +1451,13 @@ static bool trans_VNMUL_dp(DisasContext *s, arg_VNMUL_sp *a)
 {
     return do_vfp_3op_dp(s, gen_VNMUL_dp, a->vd, a->vn, a->vm, false);
 }
+
+static bool trans_VADD_sp(DisasContext *s, arg_VADD_sp *a)
+{
+    return do_vfp_3op_sp(s, gen_helper_vfp_adds, a->vd, a->vn, a->vm, false);
+}
+
+static bool trans_VADD_dp(DisasContext *s, arg_VADD_sp *a)
+{
+    return do_vfp_3op_dp(s, gen_helper_vfp_addd, a->vd, a->vn, a->vm, false);
+}

diff --git a/target/arm/translate.c b/target/arm/translate.c
index 24c24251325d01e6202c7752cc56fb405f9954e5..610659041f7e70e575bc2223303c7934bc9114b1 100644 (file)
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -1386,7 +1386,6 @@ static inline void gen_vfp_##name(int dp)                             \
     tcg_temp_free_ptr(fpst);                                          \
 }
 
-VFP_OP2(add)
 VFP_OP2(sub)
 VFP_OP2(div)
 
@@ -3111,7 +3110,7 @@ static int disas_vfp_insn(DisasContext *s, uint32_t insn)
             rn = VFP_SREG_N(insn);
 
             switch (op) {
-            case 0 ... 5:
+            case 0 ... 6:
                 /* Already handled by decodetree */
                 return 1;
             default:
@@ -3297,9 +3296,6 @@ static int disas_vfp_insn(DisasContext *s, uint32_t insn)
             for (;;) {
                 /* Perform the calculation.  */
                 switch (op) {
-                case 6: /* add: fn + fm */
-                    gen_vfp_add(dp);
-                    break;
                 case 7: /* sub: fn - fm */
                     gen_vfp_sub(dp);
                     break;

diff --git a/target/arm/vfp.decode b/target/arm/vfp.decode
index 3063fcac23f46d2bea249bd669d1db0fc57a1d4f..d911f12dfd0d7fd691b365ef8ae57d9abc4b0622 100644 (file)
--- a/target/arm/vfp.decode
+++ b/target/arm/vfp.decode
@@ -127,3 +127,8 @@ VNMUL_sp     ---- 1110 0.10 .... .... 1010 .1.0 .... \
              vm=%vm_sp vn=%vn_sp vd=%vd_sp
 VNMUL_dp     ---- 1110 0.10 .... .... 1011 .1.0 .... \
              vm=%vm_dp vn=%vn_dp vd=%vd_dp
+
+VADD_sp      ---- 1110 0.11 .... .... 1010 .0.0 .... \
+             vm=%vm_sp vn=%vn_sp vd=%vd_sp
+VADD_dp      ---- 1110 0.11 .... .... 1011 .0.0 .... \
+             vm=%vm_dp vn=%vn_dp vd=%vd_dp