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authorRichard Henderson <rth@twiddle.net>2015-02-18 11:51:10 -0800
committerRichard Henderson <rth@twiddle.net>2017-02-14 08:14:59 +1100
commit784696d119d2c6709920e8f4c8c9b445a43a8e8c (patch)
tree7a8eda5f8d3e025bc7c9fd048cca8537d12bf31e /target
parent9745807191a81c45970f780166f44a7f93b18653 (diff)
target/openrisc: Use movcond where appropriate
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target')
-rw-r--r--target/openrisc/translate.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/target/openrisc/translate.c b/target/openrisc/translate.c
index 6c745d3fd0..f91ab6a557 100644
--- a/target/openrisc/translate.c
+++ b/target/openrisc/translate.c
@@ -214,12 +214,16 @@ static void gen_jump(DisasContext *dc, int32_t n26, uint32_t reg, uint32_t op0)
case 0x03: /* l.bnf */
case 0x04: /* l.bf */
{
- TCGLabel *lab = gen_new_label();
- tcg_gen_movi_tl(jmp_pc, dc->pc+8);
- tcg_gen_brcondi_tl(op0 == 0x03 ? TCG_COND_NE : TCG_COND_EQ,
- cpu_sr_f, 0, lab);
- tcg_gen_movi_tl(jmp_pc, tmp_pc);
- gen_set_label(lab);
+ TCGv t_next = tcg_const_tl(dc->pc + 8);
+ TCGv t_true = tcg_const_tl(tmp_pc);
+ TCGv t_zero = tcg_const_tl(0);
+
+ tcg_gen_movcond_tl(op0 == 0x03 ? TCG_COND_EQ : TCG_COND_NE,
+ jmp_pc, cpu_sr_f, t_zero, t_true, t_next);
+
+ tcg_temp_free(t_next);
+ tcg_temp_free(t_true);
+ tcg_temp_free(t_zero);
}
break;
case 0x11: /* l.jr */
@@ -502,14 +506,10 @@ static void dec_calc(DisasContext *dc, uint32_t insn)
case 0xe: /* l.cmov */
LOG_DIS("l.cmov r%d, r%d, r%d\n", rd, ra, rb);
{
- TCGLabel *lab = gen_new_label();
- TCGv res = tcg_temp_local_new();
- tcg_gen_mov_tl(res, cpu_R[rb]);
- tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_sr_f, 0, lab);
- tcg_gen_mov_tl(res, cpu_R[ra]);
- gen_set_label(lab);
- tcg_gen_mov_tl(cpu_R[rd], res);
- tcg_temp_free(res);
+ TCGv zero = tcg_const_tl(0);
+ tcg_gen_movcond_tl(TCG_COND_NE, cpu_R[rd], cpu_sr_f, zero,
+ cpu_R[ra], cpu_R[rb]);
+ tcg_temp_free(zero);
}
return;