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target-ppc: Use setcond in gen_op_cmp 

Which means that callers need not copy data into local tmps.

Cc: Alexander Graf <agraf@suse.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Richard Henderson 2013-02-19 23:52:14 -08:00 committed by Blue Swirl
parent da91a00f19
commit 2fdcb62907
1 changed files with 23 additions and 23 deletions
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46
target-ppc/translate.c
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@ -596,33 +596,33 @@ static opc_handler_t invalid_handler = {
static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
{
int l1, l2, l3;
TCGv t0 = tcg_temp_new();
TCGv_i32 t1 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);
l1 = gen_new_label();
l2 = gen_new_label();
l3 = gen_new_label();
if (s) {
tcg_gen_brcond_tl(TCG_COND_LT, arg0, arg1, l1);
tcg_gen_brcond_tl(TCG_COND_GT, arg0, arg1, l2);
} else {
tcg_gen_brcond_tl(TCG_COND_LTU, arg0, arg1, l1);
tcg_gen_brcond_tl(TCG_COND_GTU, arg0, arg1, l2);
}
tcg_gen_ori_i32(cpu_crf[crf], cpu_crf[crf], 1 << CRF_EQ);
tcg_gen_br(l3);
gen_set_label(l1);
tcg_gen_ori_i32(cpu_crf[crf], cpu_crf[crf], 1 << CRF_LT);
tcg_gen_br(l3);
gen_set_label(l2);
tcg_gen_ori_i32(cpu_crf[crf], cpu_crf[crf], 1 << CRF_GT);
gen_set_label(l3);
tcg_gen_setcond_tl((s ? TCG_COND_LT: TCG_COND_LTU), t0, arg0, arg1);
tcg_gen_trunc_tl_i32(t1, t0);
tcg_gen_shli_i32(t1, t1, CRF_LT);
tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
tcg_gen_setcond_tl((s ? TCG_COND_GT: TCG_COND_GTU), t0, arg0, arg1);
tcg_gen_trunc_tl_i32(t1, t0);
tcg_gen_shli_i32(t1, t1, CRF_GT);
tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
tcg_gen_setcond_tl(TCG_COND_EQ, t0, arg0, arg1);
tcg_gen_trunc_tl_i32(t1, t0);
tcg_gen_shli_i32(t1, t1, CRF_EQ);
tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
tcg_temp_free(t0);
tcg_temp_free_i32(t1);
}
static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
{
TCGv t0 = tcg_const_local_tl(arg1);
TCGv t0 = tcg_const_tl(arg1);
gen_op_cmp(arg0, t0, s, crf);
tcg_temp_free(t0);
}
@ -631,8 +631,8 @@ static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
{
TCGv t0, t1;
t0 = tcg_temp_local_new();
t1 = tcg_temp_local_new();
t0 = tcg_temp_new();
t1 = tcg_temp_new();
if (s) {
tcg_gen_ext32s_tl(t0, arg0);
tcg_gen_ext32s_tl(t1, arg1);
@ -647,7 +647,7 @@ static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
{
TCGv t0 = tcg_const_local_tl(arg1);
TCGv t0 = tcg_const_tl(arg1);
gen_op_cmp32(arg0, t0, s, crf);
tcg_temp_free(t0);
}