diff mbox

Adding support for LPD and LPDG instructions

Message ID 20170224131918.15480-2-ebischoff@suse.com
State New
Headers show

Commit Message

Eric Bischoff Feb. 24, 2017, 1:19 p.m. UTC 
From: Eric Bischoff <ebischoff@nerim.net>

LPD = LOAD PAIR DISJOINT
---
 target/s390x/insn-data.def |  4 +++-
 target/s390x/translate.c   | 16 ++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)
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Patch

diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index 075ff59..5a0231f 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -504,7 +504,9 @@ 
     C(0xb9e2, LOCGR,   RRF_c, LOC, r1, r2, r1, 0, loc, 0)
     C(0xebf2, LOC,     RSY_b, LOC, r1, m2_32u, new, r1_32, loc, 0)
     C(0xebe2, LOCG,    RSY_b, LOC, r1, m2_64, r1, 0, loc, 0)
-/* LOAD PAIR DISJOINT TODO */
+/* LOAD PAIR DISJOINT */
+    C(0xc804, LPD,     SSF,   ILA, m1_32s, m2_32s, 0, r3_P32, movx, 0)
+    C(0xc805, LPDG,    SSF,   ILA, m1_64, m2_64, 0, r3_P64, movx, 0)
 /* LOAD POSITIVE */
     C(0x1000, LPR,     RR_a,  Z,   0, r2_32s, new, r1_32, abs, abs32)
     C(0xb900, LPGR,    RRE,   Z,   0, r2, r1, 0, abs, abs64)
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 01c6217..70397b6 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -4420,6 +4420,22 @@  static void wout_r1_D32(DisasContext *s, DisasFields *f, DisasOps *o)
 }
 #define SPEC_wout_r1_D32 SPEC_r1_even
 
+static void wout_r3_P32(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+    int r3 = get_field(f, r3);
+    store_reg32_i64(r3, o->out);
+    store_reg32_i64(r3 + 1, o->out2);
+}
+#define SPEC_wout_r3_P32 SPEC_r3_even
+
+static void wout_r3_P64(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+    int r3 = get_field(f, r3);
+    store_reg(r3, o->out);
+    store_reg(r3 + 1, o->out2);
+}
+#define SPEC_wout_r3_P64 SPEC_r3_even
+
 static void wout_e1(DisasContext *s, DisasFields *f, DisasOps *o)
 {
     store_freg32_i64(get_field(f, r1), o->out);