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[Qemu-devel] [PATCH 06/26] target/s390x: implement LOAD PAIR FROM QUADWO
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH 06/26] target/s390x: implement LOAD PAIR FROM QUADWORD |
Date: |
Thu, 25 May 2017 23:04:48 +0200 |
Signed-off-by: Aurelien Jarno <address@hidden>
---
target/s390x/insn-data.def | 2 ++
target/s390x/translate.c | 16 ++++++++++++++++
2 files changed, 18 insertions(+)
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index f92bfde4f8..53c86d5832 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -507,6 +507,8 @@
/* LOAD PAIR DISJOINT */
D(0xc804, LPD, SSF, ILA, 0, 0, new_P, r3_P32, lpd, 0, MO_TEUL)
D(0xc805, LPDG, SSF, ILA, 0, 0, new_P, r3_P64, lpd, 0, MO_TEQ)
+/* LOAD PAIR FROM QUADWORD */
+ C(0xe38f, LPQ, RXY_a, Z, 0, a2, r1_P, 0, lpq, 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 624e8667d7..09052972f1 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -2827,6 +2827,22 @@ static ExitStatus op_lpd(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
+static ExitStatus op_lpq(DisasContext *s, DisasOps *o)
+{
+ /* In a parallel context, stop the world and single step. */
+ if (parallel_cpus) {
+ potential_page_fault(s);
+ gen_exception(EXCP_ATOMIC);
+ return EXIT_NORETURN;
+ }
+
+ /* In a serial context, perform the two loads ... */
+ tcg_gen_qemu_ld64(o->out, o->in2, get_mem_index(s));
+ tcg_gen_addi_i64(o->in2, o->in2, 8);
+ tcg_gen_qemu_ld64(o->out2, o->in2, get_mem_index(s));
+ return NO_EXIT;
+}
+
#ifndef CONFIG_USER_ONLY
static ExitStatus op_lura(DisasContext *s, DisasOps *o)
{
--
2.11.0
- Re: [Qemu-devel] [PATCH 16/26] target/s390x: implement COMPARE LOGICAL LONG, (continued)
- [Qemu-devel] [PATCH 22/26] target/s390x: implement UNPACK ASCII, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 25/26] target/s390x: implement TRANSLATE ONE/TWO TO ONE/TWO, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 23/26] target/s390x: implement UNPACK UNICODE, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 02/26] target/s390x: make IPTE SMP aware, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 10/26] target/s390x: implement MOVE WITH OFFSET, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 07/26] target/s390x: implement STORE PAIR TO QUADWORD, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 06/26] target/s390x: implement LOAD PAIR FROM QUADWORD,
Aurelien Jarno <=
- [Qemu-devel] [PATCH 11/26] target/s390x: implement MOVE ZONES, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 04/26] target/s390x: implement TEST ADDRESSING MODE, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 13/26] target/s390x: improve 24-bit and 31-bit addresses write, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 17/26] target/s390x: improve MOVE LONG and MOVE LONG EXTENDED, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 20/26] target/s390x: implement PACK ASCII, Aurelien Jarno, 2017/05/25