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authorRichard Henderson <rth@twiddle.net>2012-09-01 14:13:52 -0700
committerRichard Henderson <rth@twiddle.net>2013-01-05 12:18:45 -0800
commit2db014b5a73f295f6edbdc2c8400a94ccfc90624 (patch)
tree3adad748a4bc326b97b950ea7233660b84bfdb99
parent99b4f24b3e636ab241b53bc16bf8f0a0ac4a2271 (diff)
target-s390: Implement CPSDR
Signed-off-by: Richard Henderson <rth@twiddle.net>
-rw-r--r--target-s390x/insn-data.def3
-rw-r--r--target-s390x/translate.c16
2 files changed, 19 insertions, 0 deletions
diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index 49e4a441fd..b023911cec 100644
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -104,6 +104,9 @@
/* CHECKSUM */
C(0xb241, CKSM, RRE, Z, r1_o, ra2, new, r1_32, cksm, 0)
+/* COPY SIGN */
+ C(0xb372, CPSDR, RRF_b, FPSSH, f3_o, f2_o, f1, 0, cps, 0)
+
/* COMPARE */
C(0x1900, CR, RR_a, Z, r1_o, r2_o, 0, 0, 0, cmps32)
C(0x5900, C, RX_a, Z, r1_o, m2_32s, 0, 0, 0, cmps32)
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index fe880956f0..2873f7d2e4 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -1719,6 +1719,16 @@ static ExitStatus op_clst(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
+static ExitStatus op_cps(DisasContext *s, DisasOps *o)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+ tcg_gen_andi_i64(t, o->in1, 0x8000000000000000ull);
+ tcg_gen_andi_i64(o->out, o->in2, 0x7fffffffffffffffull);
+ tcg_gen_or_i64(o->out, o->out, t);
+ tcg_temp_free_i64(t);
+ return NO_EXIT;
+}
+
static ExitStatus op_cs(DisasContext *s, DisasOps *o)
{
int r3 = get_field(s->fields, r3);
@@ -3801,6 +3811,12 @@ static void in1_x1_o(DisasContext *s, DisasFields *f, DisasOps *o)
o->g_out = o->g_out2 = true;
}
+static void in1_f3_o(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in1 = fregs[get_field(f, r3)];
+ o->g_in1 = true;
+}
+
static void in1_la1(DisasContext *s, DisasFields *f, DisasOps *o)
{
o->addr1 = get_address(s, 0, get_field(f, b1), get_field(f, d1));