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[qemu-s390x] [PATCH v2 13/22] s390x/tcg: Implement VECTOR LOAD LENGTHENE
From: |
David Hildenbrand |
Subject: |
[qemu-s390x] [PATCH v2 13/22] s390x/tcg: Implement VECTOR LOAD LENGTHENED |
Date: |
Mon, 3 Jun 2019 11:06:26 +0200 |
Take care of reading/indicating the 32-bit elements.
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: David Hildenbrand <address@hidden>
---
target/s390x/helper.h | 2 ++
target/s390x/insn-data.def | 2 ++
target/s390x/translate_vx.inc.c | 19 ++++++++++++++++++
target/s390x/vec_fpu_helper.c | 35 +++++++++++++++++++++++++++++++++
4 files changed, 58 insertions(+)
diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index 10a9cb39b6..cb25141ffe 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -278,6 +278,8 @@ DEF_HELPER_FLAGS_5(gvec_vfd64, TCG_CALL_NO_WG, void, ptr,
cptr, cptr, env, i32)
DEF_HELPER_FLAGS_5(gvec_vfd64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env,
i32)
DEF_HELPER_FLAGS_4(gvec_vfi64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vfi64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
+DEF_HELPER_FLAGS_4(gvec_vfll32, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
+DEF_HELPER_FLAGS_4(gvec_vfll32s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
#ifndef CONFIG_USER_ONLY
DEF_HELPER_3(servc, i32, env, i64, i64)
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index f77aa41253..5afdb36aec 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -1230,6 +1230,8 @@
F(0xe7e5, VFD, VRR_c, V, 0, 0, 0, 0, vfa, 0, IF_VEC)
/* VECTOR LOAD FP INTEGER */
F(0xe7c7, VFI, VRR_a, V, 0, 0, 0, 0, vcdg, 0, IF_VEC)
+/* VECTOR LOAD LENGTHENED */
+ F(0xe7c4, VFLL, VRR_a, V, 0, 0, 0, 0, vfll, 0, IF_VEC)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */
diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c
index 59d8b971c0..a25985e5c9 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -2679,3 +2679,22 @@ static DisasJumpType op_vcdg(DisasContext *s, DisasOps
*o)
deposit32(m4, 4, 4, erm), fn);
return DISAS_NEXT;
}
+
+static DisasJumpType op_vfll(DisasContext *s, DisasOps *o)
+{
+ const uint8_t fpf = get_field(s->fields, m3);
+ const uint8_t m4 = get_field(s->fields, m4);
+ gen_helper_gvec_2_ptr *fn = gen_helper_gvec_vfll32;
+
+ if (fpf != FPF_SHORT || extract32(m4, 0, 3)) {
+ gen_program_exception(s, PGM_SPECIFICATION);
+ return DISAS_NORETURN;
+ }
+
+ if (extract32(m4, 3, 1)) {
+ fn = gen_helper_gvec_vfll32s;
+ }
+ gen_gvec_2_ptr(get_field(s->fields, v1), get_field(s->fields, v2), cpu_env,
+ 0, fn);
+ return DISAS_NEXT;
+}
diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c
index bdcafc6738..f5b7fdf871 100644
--- a/target/s390x/vec_fpu_helper.c
+++ b/target/s390x/vec_fpu_helper.c
@@ -409,3 +409,38 @@ void HELPER(gvec_vfi64s)(void *v1, const void *v2,
CPUS390XState *env,
vop64_2(v1, v2, env, true, XxC, erm, vfi64, GETPC());
}
+
+static void vfll32(S390Vector *v1, const S390Vector *v2, CPUS390XState *env,
+ bool s, uintptr_t retaddr)
+{
+ uint8_t vxc, vec_exc = 0;
+ S390Vector tmp = {};
+ int i;
+
+ for (i = 0; i < 2; i++) {
+ /* load from even element */
+ const float32 a = s390_vec_read_element32(v2, i * 2);
+ const uint64_t ret = float32_to_float64(a, &env->fpu_status);
+
+ s390_vec_write_element64(&tmp, i, ret);
+ /* indicate the source element */
+ vxc = check_ieee_exc(env, i * 2, false, &vec_exc);
+ if (s || vxc) {
+ break;
+ }
+ }
+ handle_ieee_exc(env, vxc, vec_exc, retaddr);
+ *v1 = tmp;
+}
+
+void HELPER(gvec_vfll32)(void *v1, const void *v2, CPUS390XState *env,
+ uint32_t desc)
+{
+ vfll32(v1, v2, env, false, GETPC());
+}
+
+void HELPER(gvec_vfll32s)(void *v1, const void *v2, CPUS390XState *env,
+ uint32_t desc)
+{
+ vfll32(v1, v2, env, true, GETPC());
+}
--
2.21.0
- [qemu-s390x] [PATCH v2 05/22] s390x/tcg: Implement VECTOR FP COMPARE (AND SIGNAL) SCALAR, (continued)
- [qemu-s390x] [PATCH v2 05/22] s390x/tcg: Implement VECTOR FP COMPARE (AND SIGNAL) SCALAR, David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 07/22] s390x/tcg: Implement VECTOR FP CONVERT FROM FIXED 64-BIT, David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 08/22] s390x/tcg: Implement VECTOR FP CONVERT FROM LOGICAL 64-BIT, David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 06/22] s390x/tcg: Implement VECTOR FP COMPARE (EQUAL|HIGH|HIGH OR EQUAL), David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 10/22] s390x/tcg: Implement VECTOR FP CONVERT TO LOGICAL 64-BIT, David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 09/22] s390x/tcg: Implement VECTOR FP CONVERT TO FIXED 64-BIT, David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 11/22] s390x/tcg: Implement VECTOR FP DIVIDE, David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 12/22] s390x/tcg: Implement VECTOR LOAD FP INTEGER, David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 13/22] s390x/tcg: Implement VECTOR LOAD LENGTHENED,
David Hildenbrand <=
- [qemu-s390x] [PATCH v2 15/22] s390x/tcg: Implement VECTOR FP MULTIPLY, David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 14/22] s390x/tcg: Implement VECTOR LOAD ROUNDED, David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 16/22] s390x/tcg: Implement VECTOR FP MULTIPLY AND (ADD|SUBTRACT), David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 17/22] s390x/tcg: Implement VECTOR FP PERFORM SIGN OPERATION, David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 18/22] s390x/tcg: Implement VECTOR FP SQUARE ROOT, David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 19/22] s390x/tcg: Implement VECTOR FP SUBTRACT, David Hildenbrand, 2019/06/03
- [qemu-s390x] [PATCH v2 21/22] s390x/tcg: Allow linux-user to use vector instructions, David Hildenbrand, 2019/06/03