target/riscv: make ADD/SUB/OR/XOR/AND insn use arg lists

manual decoding in gen_arith() is not necessary with decodetree. For now
the function is called trans_arith as the original gen_arith still
exists. The former will be renamed to gen_arith as soon as the old
gen_arith can be removed.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Peer Adelt <peer.adelt@hni.uni-paderborn.de>

1 files changed, 7 insertions, 14 deletions

diff --git a/target/riscv/insn_trans/trans_rvi.inc.c b/target/riscv/insn_trans/trans_rvi.inc.c
index 0265740bdb..8879f2da35 100644
--- a/target/riscv/insn_trans/trans_rvi.inc.c
+++ b/target/riscv/insn_trans/trans_rvi.inc.c
@@ -312,14 +312,12 @@ static bool trans_srai(DisasContext *ctx, arg_srai *a)
 
 static bool trans_add(DisasContext *ctx, arg_add *a)
 {
-    gen_arith(ctx, OPC_RISC_ADD, a->rd, a->rs1, a->rs2);
-    return true;
+    return trans_arith(ctx, a, &tcg_gen_add_tl);
 }
 
 static bool trans_sub(DisasContext *ctx, arg_sub *a)
 {
-    gen_arith(ctx, OPC_RISC_SUB, a->rd, a->rs1, a->rs2);
-    return true;
+    return trans_arith(ctx, a, &tcg_gen_sub_tl);
 }
 
 static bool trans_sll(DisasContext *ctx, arg_sll *a)
@@ -342,8 +340,7 @@ static bool trans_sltu(DisasContext *ctx, arg_sltu *a)
 
 static bool trans_xor(DisasContext *ctx, arg_xor *a)
 {
-    gen_arith(ctx, OPC_RISC_XOR, a->rd, a->rs1, a->rs2);
-    return true;
+    return trans_arith(ctx, a, &tcg_gen_xor_tl);
 }
 
 static bool trans_srl(DisasContext *ctx, arg_srl *a)
@@ -360,14 +357,12 @@ static bool trans_sra(DisasContext *ctx, arg_sra *a)
 
 static bool trans_or(DisasContext *ctx, arg_or *a)
 {
-    gen_arith(ctx, OPC_RISC_OR, a->rd, a->rs1, a->rs2);
-    return true;
+    return trans_arith(ctx, a, &tcg_gen_or_tl);
 }
 
 static bool trans_and(DisasContext *ctx, arg_and *a)
 {
-    gen_arith(ctx, OPC_RISC_AND, a->rd, a->rs1, a->rs2);
-    return true;
+    return trans_arith(ctx, a, &tcg_gen_and_tl);
 }
 
 #ifdef TARGET_RISCV64
@@ -414,14 +409,12 @@ static bool trans_sraiw(DisasContext *ctx, arg_sraiw *a)
 
 static bool trans_addw(DisasContext *ctx, arg_addw *a)
 {
-    gen_arith(ctx, OPC_RISC_ADDW, a->rd, a->rs1, a->rs2);
-    return true;
+    return trans_arith(ctx, a, &gen_addw);
 }
 
 static bool trans_subw(DisasContext *ctx, arg_subw *a)
 {
-    gen_arith(ctx, OPC_RISC_SUBW, a->rd, a->rs1, a->rs2);
-    return true;
+    return trans_arith(ctx, a, &gen_subw);
 }
 
 static bool trans_sllw(DisasContext *ctx, arg_sllw *a)