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authorRichard Henderson <richard.henderson@linaro.org>2021-08-23 12:55:13 -0700
committerAlistair Francis <alistair.francis@wdc.com>2021-09-01 11:59:12 +1000
commit8a1b4917c576abf61c27cc74cb7cd28df3697c7c (patch)
treeadbb7ea8103ce1cdefbc3a07bfe2e1d2adf58b2d /target
parentafbbec820149299943976ef8b957a37073f3a0b5 (diff)
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 <bmeng.cn@gmail.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210823195529.560295-9-richard.henderson@linaro.org Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target')
-rw-r--r--target/riscv/insn_trans/trans_rvm.c.inc40
1 files 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 bool trans_mulh(DisasContext *ctx, arg_mulh *a)
+static void gen_mulh(TCGv ret, TCGv s1, TCGv s2)
{
- 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);
+ TCGv discard = tcg_temp_new();
- tcg_gen_muls2_tl(source2, source1, source1, source2);
+ tcg_gen_muls2_tl(discard, ret, s1, s2);
+ tcg_temp_free(discard);
+}
- gen_set_gpr(ctx, a->rd, source1);
- tcg_temp_free(source1);
- tcg_temp_free(source2);
- return true;
+static bool trans_mulh(DisasContext *ctx, arg_mulh *a)
+{
+ REQUIRE_EXT(ctx, RVM);
+ 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 bool trans_mulhu(DisasContext *ctx, arg_mulhu *a)
+static void gen_mulhu(TCGv ret, TCGv s1, TCGv s2)
{
- 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);
+ TCGv discard = tcg_temp_new();
- tcg_gen_mulu2_tl(source2, source1, source1, source2);
+ tcg_gen_mulu2_tl(discard, ret, s1, s2);
+ tcg_temp_free(discard);
+}
- gen_set_gpr(ctx, a->rd, source1);
- tcg_temp_free(source1);
- tcg_temp_free(source2);
- return true;
+static bool trans_mulhu(DisasContext *ctx, arg_mulhu *a)
+{
+ REQUIRE_EXT(ctx, RVM);
+ return gen_arith(ctx, a, EXT_NONE, gen_mulhu);
}
static bool trans_div(DisasContext *ctx, arg_div *a)