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target-cris: Use movcond and setcond

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Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
This commit is contained in:
Richard Henderson 2015-09-02 11:38:10 -07:00 committed by Edgar E. Iglesias
parent 9d34158a5a
commit 88174019d2
2 changed files with 9 additions and 30 deletions
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27
target-cris/translate.c
View File

@ -311,7 +311,7 @@ static void t_gen_asr(TCGv d, TCGv a, TCGv b)
static void t_gen_cris_dstep(TCGv d, TCGv a, TCGv b)
{
TCGLabel *l1 = gen_new_label();
TCGv t = tcg_temp_new();
/*
* d <<= 1
@ -319,9 +319,9 @@ static void t_gen_cris_dstep(TCGv d, TCGv a, TCGv b)
* d -= s;
*/
tcg_gen_shli_tl(d, a, 1);
tcg_gen_brcond_tl(TCG_COND_LTU, d, b, l1);
tcg_gen_sub_tl(d, d, b);
gen_set_label(l1);
tcg_gen_sub_tl(t, d, b);
tcg_gen_movcond_tl(TCG_COND_GEU, d, d, b, t, d);
tcg_temp_free(t);
}
static void t_gen_cris_mstep(TCGv d, TCGv a, TCGv b, TCGv ccs)
@ -769,13 +769,7 @@ static void cris_alu_op_exec(DisasContext *dc, int op,
t_gen_cris_mstep(dst, a, b, cpu_PR[PR_CCS]);
break;
case CC_OP_BOUND:
{
TCGLabel *l1 = gen_new_label();
tcg_gen_mov_tl(dst, a);
tcg_gen_brcond_tl(TCG_COND_LEU, a, b, l1);
tcg_gen_mov_tl(dst, b);
gen_set_label(l1);
}
tcg_gen_movcond_tl(TCG_COND_LEU, dst, a, b, a, b);
break;
case CC_OP_CMP:
tcg_gen_sub_tl(dst, a, b);
@ -1482,15 +1476,8 @@ static int dec_scc_r(CPUCRISState *env, DisasContext *dc)
LOG_DIS("s%s $r%u\n",
cc_name(cond), dc->op1);
if (cond != CC_A) {
TCGLabel *l1 = gen_new_label();
gen_tst_cc(dc, cpu_R[dc->op1], cond);
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_R[dc->op1], 0, l1);
tcg_gen_movi_tl(cpu_R[dc->op1], 1);
gen_set_label(l1);
} else {
tcg_gen_movi_tl(cpu_R[dc->op1], 1);
}
gen_tst_cc(dc, cpu_R[dc->op1], cond);
tcg_gen_setcondi_tl(TCG_COND_NE, cpu_R[dc->op1], cpu_R[dc->op1], 0);
cris_cc_mask(dc, 0);
return 2;

12
target-cris/translate_v10.c
View File

@ -535,16 +535,8 @@ static void dec10_reg_scc(DisasContext *dc)
LOG_DIS("s%s $r%u\n", cc_name(cond), dc->src);
if (cond != CC_A)
{
TCGLabel *l1 = gen_new_label();
gen_tst_cc (dc, cpu_R[dc->src], cond);
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_R[dc->src], 0, l1);
tcg_gen_movi_tl(cpu_R[dc->src], 1);
gen_set_label(l1);
} else {
tcg_gen_movi_tl(cpu_R[dc->src], 1);
}
gen_tst_cc(dc, cpu_R[dc->src], cond);
tcg_gen_setcondi_tl(TCG_COND_NE, cpu_R[dc->src], cpu_R[dc->src], 0);
cris_cc_mask(dc, 0);
}