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[Qemu-arm] [PATCH v2 24/42] target/arm: Convert VADD to decodetree


From: Peter Maydell
Subject: [Qemu-arm] [PATCH v2 24/42] target/arm: Convert VADD to decodetree
Date: Tue, 11 Jun 2019 11:53:33 +0100

Convert the VADD instruction to decodetree.

Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
---
 target/arm/translate-vfp.inc.c | 10 ++++++++++
 target/arm/translate.c         |  6 +-----
 target/arm/vfp.decode          |  5 +++++
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/target/arm/translate-vfp.inc.c b/target/arm/translate-vfp.inc.c
index 4c684f033b6..14aeb25f597 100644
--- 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 1f9fa6b03a1..cd1f24798b1 100644
--- 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 3063fcac23f..d911f12dfd0 100644
--- 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
-- 
2.20.1




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