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| author | Richard Henderson <rth@twiddle.net> | 2015-02-18 11:51:10 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2017-02-14 08:14:59 +1100 |
| commit | 784696d119d2c6709920e8f4c8c9b445a43a8e8c (patch) | |
| tree | 7a8eda5f8d3e025bc7c9fd048cca8537d12bf31e /target | |
| parent | 9745807191a81c45970f780166f44a7f93b18653 (diff) | |
| download | qemu-784696d119d2c6709920e8f4c8c9b445a43a8e8c.zip qemu-784696d119d2c6709920e8f4c8c9b445a43a8e8c.tar.gz qemu-784696d119d2c6709920e8f4c8c9b445a43a8e8c.tar.bz2 | |
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.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/target/openrisc/translate.c b/target/openrisc/translate.c index 6c745d3..f91ab6a 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; |