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authorAurelien Jarno <aurelien@aurel32.net>2017-06-01 00:01:26 +0200
committerRichard Henderson <rth@twiddle.net>2017-06-06 15:20:44 -0700
commit5d4a655a4187a0fe245b8bbaa1cf4ce9de5b4aea (patch)
treecb687b40fc620370614c32b9ec30ef3440c5a053 /target
parent15417787212f321efa0592d64b89d6b189c58b41 (diff)
target/s390x: implement TEST DECIMAL
Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-28-aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target')
-rw-r--r--target/s390x/helper.h1
-rw-r--r--target/s390x/insn-data.def3
-rw-r--r--target/s390x/mem_helper.c23
-rw-r--r--target/s390x/translate.c9
4 files changed, 36 insertions, 0 deletions
diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index 9d4bf6426b..587156890d 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -91,6 +91,7 @@ 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 6aa02213ea..7db5133722 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -852,6 +852,9 @@
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 402147e708..fa2bfbbf2f 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 bba9ce87e0..2253ce68e3 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -4305,6 +4305,15 @@ 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));