diff options
| author | Richard Henderson <rth@twiddle.net> | 2015-08-14 07:59:22 -0700 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2016-10-25 20:54:47 +0200 |
| commit | b459e3eccfae7fe83e30187c391de00bccf4f51d (patch) | |
| tree | 0e95d43fa49b1029ae5bcc9892664b4548056bab /target-m68k | |
| parent | 6a432295d73df91890dc70c4a94dcc4ba88ad1c3 (diff) | |
target-m68k: Use setcond for scc
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'target-m68k')
| -rw-r--r-- | target-m68k/translate.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/target-m68k/translate.c b/target-m68k/translate.c index 4a650e1f0e..5cc5e14bb6 100644 --- a/target-m68k/translate.c +++ b/target-m68k/translate.c @@ -865,19 +865,21 @@ static void gen_jmpcc(DisasContext *s, int cond, TCGLabel *l1) DISAS_INSN(scc) { - TCGLabel *l1; + DisasCompare c; int cond; - TCGv reg; + TCGv reg, tmp; - l1 = gen_new_label(); cond = (insn >> 8) & 0xf; + gen_cc_cond(&c, s, cond); + + tmp = tcg_temp_new(); + tcg_gen_setcond_i32(c.tcond, tmp, c.v1, c.v2); + free_cond(&c); + reg = DREG(insn, 0); - tcg_gen_andi_i32(reg, reg, 0xffffff00); - /* This is safe because we modify the reg directly, with no other values - live. */ - gen_jmpcc(s, cond ^ 1, l1); - tcg_gen_ori_i32(reg, reg, 0xff); - gen_set_label(l1); + tcg_gen_neg_i32(tmp, tmp); + tcg_gen_deposit_i32(reg, reg, tmp, 0, 8); + tcg_temp_free(tmp); } /* Force a TB lookup after an instruction that changes the CPU state. */ |