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s390x/tcg: Implement VECTOR LOAD FP INTEGER

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We can reuse most of the infrastructure introduced for
VECTOR FP CONVERT FROM FIXED 64-BIT and friends.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
David Hildenbrand 2019-05-29 21:57:10 +02:00
parent 817a1cec89
commit 60d0ab29a1
4 changed files with 30 additions and 0 deletions
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2
target/s390x/helper.h
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@ -276,6 +276,8 @@ DEF_HELPER_FLAGS_4(gvec_vclgd64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vclgd64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
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)
#ifndef CONFIG_USER_ONLY
DEF_HELPER_3(servc, i32, env, i64, i64)

2
target/s390x/insn-data.def
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@ -1228,6 +1228,8 @@
F(0xe7c0, VCLGD, VRR_a, V, 0, 0, 0, 0, vcdg, 0, IF_VEC)
/* VECTOR FP DIVIDE */
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)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */

3
target/s390x/translate_vx.inc.c
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@ -2669,6 +2669,9 @@ static DisasJumpType op_vcdg(DisasContext *s, DisasOps *o)
case 0xc0:
fn = se ? gen_helper_gvec_vclgd64s : gen_helper_gvec_vclgd64;
break;
case 0xc7:
fn = se ? gen_helper_gvec_vfi64s : gen_helper_gvec_vfi64;
break;
default:
g_assert_not_reached();
}

23
target/s390x/vec_fpu_helper.c
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@ -386,3 +386,26 @@ void HELPER(gvec_vfd64s)(void *v1, const void *v2, const void *v3,
{
vop64_3(v1, v2, v3, env, true, vfd64, GETPC());
}
static uint64_t vfi64(uint64_t a, float_status *s)
{
return float64_round_to_int(a, s);
}
void HELPER(gvec_vfi64)(void *v1, const void *v2, CPUS390XState *env,
uint32_t desc)
{
const uint8_t erm = extract32(simd_data(desc), 4, 4);
const bool XxC = extract32(simd_data(desc), 2, 1);
vop64_2(v1, v2, env, false, XxC, erm, vfi64, GETPC());
}
void HELPER(gvec_vfi64s)(void *v1, const void *v2, CPUS390XState *env,
uint32_t desc)
{
const uint8_t erm = extract32(simd_data(desc), 4, 4);
const bool XxC = extract32(simd_data(desc), 2, 1);
vop64_2(v1, v2, env, true, XxC, erm, vfi64, GETPC());
}