[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PULL 66/69] target/s390x: implement TEST DECIMAL
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PULL 66/69] target/s390x: implement TEST DECIMAL |
Date: |
Sun, 4 Jun 2017 10:35:06 -0700 |
From: Aurelien Jarno <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
target/s390x/helper.h | 1 +
target/s390x/insn-data.def | 3 +++
target/s390x/mem_helper.c | 23 +++++++++++++++++++++++
target/s390x/translate.c | 9 +++++++++
4 files changed, 36 insertions(+)
diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index dc85a14..c043be6 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -88,6 +88,7 @@ DEF_HELPER_FLAGS_4(pku, TCG_CALL_NO_WG, void, env, i64, i64,
i32)
DEF_HELPER_FLAGS_4(unpk, TCG_CALL_NO_WG, void, env, i32, i64, i64)
DEF_HELPER_FLAGS_4(unpka, TCG_CALL_NO_WG, i32, env, i64, i32, i64)
DEF_HELPER_FLAGS_4(unpku, TCG_CALL_NO_WG, i32, env, i64, i32, i64)
+DEF_HELPER_FLAGS_3(tp, TCG_CALL_NO_WG, i32, env, i64, i32)
DEF_HELPER_FLAGS_4(tr, TCG_CALL_NO_WG, void, env, i32, i64, i64)
DEF_HELPER_4(tre, i64, env, i64, i64, i64)
DEF_HELPER_4(trt, i32, env, i32, i64, i64)
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index 683f91b..7f554ab 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -856,6 +856,9 @@
C(0xed11, TCDB, RXE, Z, f1_o, a2, 0, 0, tcdb, 0)
C(0xed12, TCXB, RXE, Z, x1_o, a2, 0, 0, tcxb, 0)
+/* TEST DECIMAL */
+ C(0xebc0, TP, RSL, E2, la1, 0, 0, 0, tp, 0)
+
/* TEST UNDER MASK */
C(0x9100, TM, SI, Z, m1_8u, i2_8u, 0, 0, 0, tm32)
C(0xeb51, TMY, SIY, LD, m1_8u, i2_8u, 0, 0, 0, tm32)
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index 5cb1a8a..a9297c1 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -1088,6 +1088,29 @@ uint32_t HELPER(unpku)(CPUS390XState *env, uint64_t
dest, uint32_t destlen,
return do_unpkau(env, dest, destlen, 2, src, GETPC());
}
+uint32_t HELPER(tp)(CPUS390XState *env, uint64_t dest, uint32_t destlen)
+{
+ uintptr_t ra = GETPC();
+ uint32_t cc = 0;
+ int i;
+
+ for (i = 0; i < destlen; i++) {
+ uint8_t b = cpu_ldub_data_ra(env, dest + i, ra);
+ /* digit */
+ cc |= (b & 0xf0) > 0x90 ? 2 : 0;
+
+ if (i == (destlen - 1)) {
+ /* sign */
+ cc |= (b & 0xf) < 0xa ? 1 : 0;
+ } else {
+ /* digit */
+ cc |= (b & 0xf) > 0x9 ? 2 : 0;
+ }
+ }
+
+ return cc;
+}
+
static uint32_t do_helper_tr(CPUS390XState *env, uint32_t len, uint64_t array,
uint64_t trans, uintptr_t ra)
{
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 747d4eb..a7c564f 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -4313,6 +4313,15 @@ static ExitStatus op_tprot(DisasContext *s, DisasOps *o)
#endif
+static ExitStatus op_tp(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 l1 = tcg_const_i32(get_field(s->fields, l1) + 1);
+ gen_helper_tp(cc_op, cpu_env, o->addr1, l1);
+ tcg_temp_free_i32(l1);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
static ExitStatus op_tr(DisasContext *s, DisasOps *o)
{
TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
--
2.9.4
- [Qemu-devel] [PULL 54/69] target/s390x: improve 24-bit and 31-bit addresses write, (continued)
- [Qemu-devel] [PULL 54/69] target/s390x: improve 24-bit and 31-bit addresses write, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 55/69] target/s390x: improve 24-bit and 31-bit lengths read/write, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 56/69] target/s390x: fix COMPARE LOGICAL LONG EXTENDED, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 58/69] target/s390x: fix adj_len_to_page, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 60/69] target/s390x: implement COMPARE LOGICAL LONG UNICODE, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 61/69] target/s390x: implement MOVE LONG UNICODE, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 57/69] target/s390x: implement COMPARE LOGICAL LONG, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 59/69] target/s390x: improve MOVE LONG and MOVE LONG EXTENDED, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 62/69] target/s390x: implement PACK ASCII, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 63/69] target/s390x: implement PACK UNICODE, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 66/69] target/s390x: implement TEST DECIMAL,
Richard Henderson <=
- [Qemu-devel] [PULL 65/69] target/s390x: implement UNPACK UNICODE, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 67/69] target/s390x: implement TRANSLATE ONE/TWO TO ONE/TWO, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 68/69] target/s390x: mark ETF2 and ETF2-ENH facilities as available, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 64/69] target/s390x: implement UNPACK ASCII, Richard Henderson, 2017/06/04
- [Qemu-devel] [PULL 69/69] target/s390x: addressing exceptions are suppressing, Richard Henderson, 2017/06/04
- Re: [Qemu-devel] [PULL 00/69] target/s390x tcg patches, no-reply, 2017/06/04
- Re: [Qemu-devel] [PULL 00/69] target/s390x tcg patches, Aurelien Jarno, 2017/06/04