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authorRichard Henderson <rth@twiddle.net>2012-09-05 10:55:00 -0700
committerRichard Henderson <rth@twiddle.net>2013-01-05 12:18:44 -0800
commit632086da28e1682c0129276656ee0d32274fcd17 (patch)
tree7926f1d106e32911eedd993f94fc646349d5f780 /target-s390x/translate.c
parent1c2687518235aa38dd3dd270fc216e559d0509eb (diff)
target-s390: Implement LOAD ON CONDITION
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-s390x/translate.c')
-rw-r--r--target-s390x/translate.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index e94c663180..1edb066463 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -2045,6 +2045,36 @@ static ExitStatus op_ld64(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
+static ExitStatus op_loc(DisasContext *s, DisasOps *o)
+{
+ DisasCompare c;
+
+ disas_jcc(s, &c, get_field(s->fields, m3));
+
+ if (c.is_64) {
+ tcg_gen_movcond_i64(c.cond, o->out, c.u.s64.a, c.u.s64.b,
+ o->in2, o->in1);
+ free_compare(&c);
+ } else {
+ TCGv_i32 t32 = tcg_temp_new_i32();
+ TCGv_i64 t, z;
+
+ tcg_gen_setcond_i32(c.cond, t32, c.u.s32.a, c.u.s32.b);
+ free_compare(&c);
+
+ t = tcg_temp_new_i64();
+ tcg_gen_extu_i32_i64(t, t32);
+ tcg_temp_free_i32(t32);
+
+ z = tcg_const_i64(0);
+ tcg_gen_movcond_i64(TCG_COND_NE, o->out, t, z, o->in2, o->in1);
+ tcg_temp_free_i64(t);
+ tcg_temp_free_i64(z);
+ }
+
+ return NO_EXIT;
+}
+
#ifndef CONFIG_USER_ONLY
static ExitStatus op_lctl(DisasContext *s, DisasOps *o)
{