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[Qemu-devel] [PATCH 24/26] target/s390x: implement TEST DECIMAL
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH 24/26] target/s390x: implement TEST DECIMAL |
Date: |
Thu, 25 May 2017 23:05:06 +0200 |
Signed-off-by: Aurelien Jarno <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 8d94018a3f..7bfb0223ce 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 56928c24a5..c0fe04e45c 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -850,6 +850,9 @@
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 3366c2e799..b6e083c7e1 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -1134,6 +1134,29 @@ 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 void 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 d9a6a92984..b51342583e 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -4251,6 +4251,15 @@ 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));
--
2.11.0
- [Qemu-devel] [PATCH 17/26] target/s390x: improve MOVE LONG and MOVE LONG EXTENDED, (continued)
- [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
- [Qemu-devel] [PATCH 19/26] target/s390x: implement MOVE LONG UNICODE, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 18/26] target/s390x: implement COMPARE LOGICAL LONG UNICODE, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 12/26] target/s390x: improve 24-bit and 31-bit addresses read, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 24/26] target/s390x: implement TEST DECIMAL,
Aurelien Jarno <=
- [Qemu-devel] [PATCH 21/26] target/s390x: implement PACK UNICODE, Aurelien Jarno, 2017/05/25
- [Qemu-devel] [PATCH 27/26] target/s390x: fix adj_len_to_page, Aurelien Jarno, 2017/05/25