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target/openrisc: Use movcond where appropriate 

Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2015-02-18 11:51:10 -08:00
parent 9745807191
commit 784696d119
1 changed files with 14 additions and 14 deletions
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28
target/openrisc/translate.c
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@ -214,12 +214,16 @@ static void gen_jump(DisasContext *dc, int32_t n26, uint32_t reg, uint32_t op0)
case 0x03: /* l.bnf */ case 0x03: /* l.bnf */
case 0x04: /* l.bf */ case 0x04: /* l.bf */
{ {
TCGLabel *lab = gen_new_label(); TCGv t_next = tcg_const_tl(dc->pc + 8);
tcg_gen_movi_tl(jmp_pc, dc->pc+8); TCGv t_true = tcg_const_tl(tmp_pc);
tcg_gen_brcondi_tl(op0 == 0x03 ? TCG_COND_NE : TCG_COND_EQ, TCGv t_zero = tcg_const_tl(0);
cpu_sr_f, 0, lab);
tcg_gen_movi_tl(jmp_pc, tmp_pc); tcg_gen_movcond_tl(op0 == 0x03 ? TCG_COND_EQ : TCG_COND_NE,
gen_set_label(lab); 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; break;
case 0x11: /* l.jr */ case 0x11: /* l.jr */
@ -502,14 +506,10 @@ static void dec_calc(DisasContext *dc, uint32_t insn)
case 0xe: /* l.cmov */ case 0xe: /* l.cmov */
LOG_DIS("l.cmov r%d, r%d, r%d\n", rd, ra, rb); LOG_DIS("l.cmov r%d, r%d, r%d\n", rd, ra, rb);
{ {
TCGLabel *lab = gen_new_label(); TCGv zero = tcg_const_tl(0);
TCGv res = tcg_temp_local_new(); tcg_gen_movcond_tl(TCG_COND_NE, cpu_R[rd], cpu_sr_f, zero,
tcg_gen_mov_tl(res, cpu_R[rb]); cpu_R[ra], cpu_R[rb]);
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_sr_f, 0, lab); tcg_temp_free(zero);
tcg_gen_mov_tl(res, cpu_R[ra]);
gen_set_label(lab);
tcg_gen_mov_tl(cpu_R[rd], res);
tcg_temp_free(res);
} }
return; return;