From 817a1cec89ed1bb94c112cc8fa013efb74a4df83 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Wed, 29 May 2019 21:54:33 +0200 Subject: [PATCH] s390x/tcg: Implement VECTOR FP DIVIDE We can reuse most of the infrastructure added for VECTOR FP ADD. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/helper.h | 2 ++ target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 3 +++ target/s390x/vec_fpu_helper.c | 17 +++++++++++++++++ 4 files changed, 24 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 9b9062970a..238bfa2509 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -274,6 +274,8 @@ DEF_HELPER_FLAGS_4(gvec_vcgd64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vcgd64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) 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) #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 ed8b888d59..f9830deace 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1226,6 +1226,8 @@ F(0xe7c2, VCGD, VRR_a, V, 0, 0, 0, 0, vcdg, 0, IF_VEC) /* VECTOR FP CONVERT TO LOGICAL 64-BIT */ 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) #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 0395d69968..9e55d4488b 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2560,6 +2560,9 @@ static DisasJumpType op_vfa(DisasContext *s, DisasOps *o) case 0xe3: fn = se ? gen_helper_gvec_vfa64s : gen_helper_gvec_vfa64; break; + case 0xe5: + fn = se ? gen_helper_gvec_vfd64s : gen_helper_gvec_vfd64; + break; default: g_assert_not_reached(); } diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c index 09ef0abfb0..3c62eb5787 100644 --- a/target/s390x/vec_fpu_helper.c +++ b/target/s390x/vec_fpu_helper.c @@ -369,3 +369,20 @@ void HELPER(gvec_vclgd64s)(void *v1, const void *v2, CPUS390XState *env, vop64_2(v1, v2, env, true, XxC, erm, vclgd64, GETPC()); } + +static uint64_t vfd64(uint64_t a, uint64_t b, float_status *s) +{ + return float64_div(a, b, s); +} + +void HELPER(gvec_vfd64)(void *v1, const void *v2, const void *v3, + CPUS390XState *env, uint32_t desc) +{ + vop64_3(v1, v2, v3, env, false, vfd64, GETPC()); +} + +void HELPER(gvec_vfd64s)(void *v1, const void *v2, const void *v3, + CPUS390XState *env, uint32_t desc) +{ + vop64_3(v1, v2, v3, env, true, vfd64, GETPC()); +}