From 8a1b4917c576abf61c27cc74cb7cd28df3697c7c Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 23 Aug 2021 12:55:13 -0700 Subject: [PATCH] target/riscv: Use gen_arith for mulh and mulhu Split out gen_mulh and gen_mulhu and use the common helper. Reviewed-by: Bin Meng Reviewed-by: Alistair Francis Signed-off-by: Richard Henderson Message-id: 20210823195529.560295-9-richard.henderson@linaro.org Signed-off-by: Alistair Francis --- target/riscv/insn_trans/trans_rvm.c.inc | 40 +++++++++++-------------- 1 file changed, 18 insertions(+), 22 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvm.c.inc b/target/riscv/insn_trans/trans_rvm.c.inc index 3d93b24c25..80552be7a3 100644 --- a/target/riscv/insn_trans/trans_rvm.c.inc +++ b/target/riscv/insn_trans/trans_rvm.c.inc @@ -25,20 +25,18 @@ static bool trans_mul(DisasContext *ctx, arg_mul *a) return gen_arith(ctx, a, EXT_NONE, tcg_gen_mul_tl); } +static void gen_mulh(TCGv ret, TCGv s1, TCGv s2) +{ + TCGv discard = tcg_temp_new(); + + tcg_gen_muls2_tl(discard, ret, s1, s2); + tcg_temp_free(discard); +} + static bool trans_mulh(DisasContext *ctx, arg_mulh *a) { REQUIRE_EXT(ctx, RVM); - TCGv source1 = tcg_temp_new(); - TCGv source2 = tcg_temp_new(); - gen_get_gpr(ctx, source1, a->rs1); - gen_get_gpr(ctx, source2, a->rs2); - - tcg_gen_muls2_tl(source2, source1, source1, source2); - - gen_set_gpr(ctx, a->rd, source1); - tcg_temp_free(source1); - tcg_temp_free(source2); - return true; + return gen_arith(ctx, a, EXT_NONE, gen_mulh); } static bool trans_mulhsu(DisasContext *ctx, arg_mulhsu *a) @@ -47,20 +45,18 @@ static bool trans_mulhsu(DisasContext *ctx, arg_mulhsu *a) return gen_arith(ctx, a, EXT_NONE, gen_mulhsu); } +static void gen_mulhu(TCGv ret, TCGv s1, TCGv s2) +{ + TCGv discard = tcg_temp_new(); + + tcg_gen_mulu2_tl(discard, ret, s1, s2); + tcg_temp_free(discard); +} + static bool trans_mulhu(DisasContext *ctx, arg_mulhu *a) { REQUIRE_EXT(ctx, RVM); - TCGv source1 = tcg_temp_new(); - TCGv source2 = tcg_temp_new(); - gen_get_gpr(ctx, source1, a->rs1); - gen_get_gpr(ctx, source2, a->rs2); - - tcg_gen_mulu2_tl(source2, source1, source1, source2); - - gen_set_gpr(ctx, a->rd, source1); - tcg_temp_free(source1); - tcg_temp_free(source2); - return true; + return gen_arith(ctx, a, EXT_NONE, gen_mulhu); } static bool trans_div(DisasContext *ctx, arg_div *a)