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-rw-r--r--target-s390x/fpu_helper.c31
-rw-r--r--target-s390x/helper.h3
-rw-r--r--target-s390x/insn-data.def7
-rw-r--r--target-s390x/translate.c25
4 files changed, 66 insertions, 0 deletions
diff --git a/target-s390x/fpu_helper.c b/target-s390x/fpu_helper.c
index 6a76541833..58c2e6135c 100644
--- a/target-s390x/fpu_helper.c
+++ b/target-s390x/fpu_helper.c
@@ -395,6 +395,37 @@ uint64_t HELPER(cxgb)(CPUS390XState *env, int64_t v2, uint32_t m3)
return RET128(ret);
}
+/* convert 64-bit uint to 32-bit float */
+uint64_t HELPER(celgb)(CPUS390XState *env, uint64_t v2, uint32_t m3)
+{
+ int hold = swap_round_mode(env, m3);
+ float32 ret = uint64_to_float32(v2, &env->fpu_status);
+ set_float_rounding_mode(hold, &env->fpu_status);
+ handle_exceptions(env, GETPC());
+ return ret;
+}
+
+/* convert 64-bit uint to 64-bit float */
+uint64_t HELPER(cdlgb)(CPUS390XState *env, uint64_t v2, uint32_t m3)
+{
+ int hold = swap_round_mode(env, m3);
+ float64 ret = uint64_to_float64(v2, &env->fpu_status);
+ set_float_rounding_mode(hold, &env->fpu_status);
+ handle_exceptions(env, GETPC());
+ return ret;
+}
+
+/* convert 64-bit uint to 128-bit float */
+uint64_t HELPER(cxlgb)(CPUS390XState *env, uint64_t v2, uint32_t m3)
+{
+ int hold = swap_round_mode(env, m3);
+ /* ??? Not 50% correct. */
+ float128 ret = int64_to_float128(v2, &env->fpu_status);
+ set_float_rounding_mode(hold, &env->fpu_status);
+ handle_exceptions(env, GETPC());
+ return RET128(ret);
+}
+
/* convert 32-bit float to 64-bit int */
uint64_t HELPER(cgeb)(CPUS390XState *env, uint64_t v2, uint32_t m3)
{
diff --git a/target-s390x/helper.h b/target-s390x/helper.h
index 0204e8505f..aef6f0faf8 100644
--- a/target-s390x/helper.h
+++ b/target-s390x/helper.h
@@ -32,6 +32,9 @@ DEF_HELPER_4(clcle, i32, env, i32, i64, i32)
DEF_HELPER_3(cegb, i64, env, s64, i32)
DEF_HELPER_3(cdgb, i64, env, s64, i32)
DEF_HELPER_3(cxgb, i64, env, s64, i32)
+DEF_HELPER_3(celgb, i64, env, i64, i32)
+DEF_HELPER_3(cdlgb, i64, env, i64, i32)
+DEF_HELPER_3(cxlgb, i64, env, i64, i32)
DEF_HELPER_3(aeb, i64, env, i64, i64)
DEF_HELPER_3(adb, i64, env, i64, i64)
DEF_HELPER_5(axb, i64, env, i64, i64, i64, i64)
diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index a67fdcc6ad..0777b5567b 100644
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -233,6 +233,13 @@
C(0xb3ac, CLGEBR, RRF_e, FPE, 0, e2, r1, 0, clgeb, 0)
C(0xb3ad, CLGDBR, RRF_e, FPE, 0, f2_o, r1, 0, clgdb, 0)
C(0xb3ae, CLGXBR, RRF_e, FPE, 0, x2_o, r1, 0, clgxb, 0)
+/* CONVERT FROM LOGICAL */
+ C(0xb390, CELFBR, RRF_e, FPE, 0, r2_32u, new, e1, celgb, 0)
+ C(0xb391, CDLFBR, RRF_e, FPE, 0, r2_32u, f1, 0, cdlgb, 0)
+ C(0xb392, CXLFBR, RRF_e, FPE, 0, r2_32u, x1, 0, cxlgb, 0)
+ C(0xb3a0, CELGBR, RRF_e, FPE, 0, r2_o, new, e1, celgb, 0)
+ C(0xb3a1, CDLGBR, RRF_e, FPE, 0, r2_o, f1, 0, cdlgb, 0)
+ C(0xb3a2, CXLGBR, RRF_e, FPE, 0, r2_o, x1, 0, cxlgb, 0)
/* DIVIDE */
C(0x1d00, DR, RR_a, Z, r1_D32, r2_32s, new_P, r1_P32, divs32, 0)
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 1b7a8dc946..dc5aac7941 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -1609,6 +1609,31 @@ static ExitStatus op_cxgb(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
+static ExitStatus op_celgb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ gen_helper_celgb(o->out, cpu_env, o->in2, m3);
+ tcg_temp_free_i32(m3);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cdlgb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ gen_helper_cdlgb(o->out, cpu_env, o->in2, m3);
+ tcg_temp_free_i32(m3);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cxlgb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ gen_helper_cxlgb(o->out, cpu_env, o->in2, m3);
+ tcg_temp_free_i32(m3);
+ return_low128(o->out2);
+ return NO_EXIT;
+}
+
static ExitStatus op_cksm(DisasContext *s, DisasOps *o)
{
int r2 = get_field(s->fields, r2);