target/riscv: Remove manual decoding from gen_branch()

We now utilizes argument-sets of decodetree such that no manual
decoding is necessary.

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, 0 insertions, 47 deletions

diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index 9dee2ec242..a3d5cdbad8 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -531,53 +531,6 @@ static void gen_jal(DisasContext *ctx, int rd, target_ulong imm)
     ctx->base.is_jmp = DISAS_NORETURN;
 }
 
-static void gen_branch(DisasContext *ctx, uint32_t opc, int rs1, int rs2,
-                       target_long bimm)
-{
-    TCGLabel *l = gen_new_label();
-    TCGv source1, source2;
-    source1 = tcg_temp_new();
-    source2 = tcg_temp_new();
-    gen_get_gpr(source1, rs1);
-    gen_get_gpr(source2, rs2);
-
-    switch (opc) {
-    case OPC_RISC_BEQ:
-        tcg_gen_brcond_tl(TCG_COND_EQ, source1, source2, l);
-        break;
-    case OPC_RISC_BNE:
-        tcg_gen_brcond_tl(TCG_COND_NE, source1, source2, l);
-        break;
-    case OPC_RISC_BLT:
-        tcg_gen_brcond_tl(TCG_COND_LT, source1, source2, l);
-        break;
-    case OPC_RISC_BGE:
-        tcg_gen_brcond_tl(TCG_COND_GE, source1, source2, l);
-        break;
-    case OPC_RISC_BLTU:
-        tcg_gen_brcond_tl(TCG_COND_LTU, source1, source2, l);
-        break;
-    case OPC_RISC_BGEU:
-        tcg_gen_brcond_tl(TCG_COND_GEU, source1, source2, l);
-        break;
-    default:
-        gen_exception_illegal(ctx);
-        return;
-    }
-    tcg_temp_free(source1);
-    tcg_temp_free(source2);
-
-    gen_goto_tb(ctx, 1, ctx->pc_succ_insn);
-    gen_set_label(l); /* branch taken */
-    if (!has_ext(ctx, RVC) && ((ctx->base.pc_next + bimm) & 0x3)) {
-        /* misaligned */
-        gen_exception_inst_addr_mis(ctx);
-    } else {
-        gen_goto_tb(ctx, 0, ctx->base.pc_next + bimm);
-    }
-    ctx->base.is_jmp = DISAS_NORETURN;
-}
-
 static void gen_load(DisasContext *ctx, uint32_t opc, int rd, int rs1,
         target_long imm)
 {