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bh=yy6lnR9hI61mHQdGjnobLOThoPQCIjscGWYC2j7VR4g=; b=JAEcj8XFIcmpAlXKinBgr+xlU/+RhnPwi0UESl9DpAn5Uzy/FLARv9yGZpEnJLJkd2Nphq 8RegAVviVpB/kpNRT4IxXvkrHEu8vwwKKi9egPSXBJOHJGTHDXEmjCV67GsQ+4RGQWVrvv OmgPmSw9AGOv82LWWP+C2lIY0V7Hfbo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-581-Y93Fs_O0O7yXg3zDcU1TyQ-1; Tue, 08 Jun 2021 05:24:06 -0400 X-MC-Unique: Y93Fs_O0O7yXg3zDcU1TyQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id F1DCA180FD79; Tue, 8 Jun 2021 09:24:04 +0000 (UTC) Received: from t480s.redhat.com (ovpn-115-132.ams2.redhat.com [10.36.115.132]) by smtp.corp.redhat.com (Postfix) with ESMTP id CB1D85C1BB; Tue, 8 Jun 2021 09:24:02 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Subject: [PATCH v4 07/26] s390x/tcg: Simplify vfma64() handling Date: Tue, 8 Jun 2021 11:23:18 +0200 Message-Id: <20210608092337.12221-8-david@redhat.com> In-Reply-To: <20210608092337.12221-1-david@redhat.com> References: <20210608092337.12221-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=david@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=216.205.24.124; envelope-from=david@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.2, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , Cornelia Huck , Richard Henderson , Laurent Vivier , Halil Pasic , Christian Borntraeger , qemu-s390x@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/helper.h | 2 -- target/s390x/translate_vx.c.inc | 8 +++---- target/s390x/vec_fpu_helper.c | 42 +++++++++++++-------------------- 3 files changed, 20 insertions(+), 32 deletions(-) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index e832680236..3c87593553 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -267,9 +267,7 @@ DEF_HELPER_FLAGS_4(gvec_vflr64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vflr64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_5(gvec_vfm64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32) DEF_HELPER_FLAGS_6(gvec_vfma64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32) -DEF_HELPER_FLAGS_6(gvec_vfma64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32) DEF_HELPER_FLAGS_6(gvec_vfms64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32) -DEF_HELPER_FLAGS_6(gvec_vfms64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfsq64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_5(gvec_vfs64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32) DEF_HELPER_4(gvec_vftci64, void, ptr, cptr, env, i32) diff --git a/target/s390x/translate_vx.c.inc b/target/s390x/translate_vx.c.inc index 1404471881..4b5bf0a7e3 100644 --- a/target/s390x/translate_vx.c.inc +++ b/target/s390x/translate_vx.c.inc @@ -2589,7 +2589,6 @@ static DisasJumpType op_vfma(DisasContext *s, DisasOps *o) { const uint8_t m5 = get_field(s, m5); const uint8_t fpf = get_field(s, m6); - const bool se = extract32(m5, 3, 1); gen_helper_gvec_4_ptr *fn; if (fpf != FPF_LONG || extract32(m5, 0, 3)) { @@ -2598,13 +2597,12 @@ static DisasJumpType op_vfma(DisasContext *s, DisasOps *o) } if (s->fields.op2 == 0x8f) { - fn = se ? gen_helper_gvec_vfma64s : gen_helper_gvec_vfma64; + fn = gen_helper_gvec_vfma64; } else { - fn = se ? gen_helper_gvec_vfms64s : gen_helper_gvec_vfms64; + fn = gen_helper_gvec_vfms64; } gen_gvec_4_ptr(get_field(s, v1), get_field(s, v2), - get_field(s, v3), get_field(s, v4), cpu_env, - 0, fn); + get_field(s, v3), get_field(s, v4), cpu_env, m5, fn); return DISAS_NEXT; } diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c index 2ced6fcfaf..23b38df158 100644 --- a/target/s390x/vec_fpu_helper.c +++ b/target/s390x/vec_fpu_helper.c @@ -374,12 +374,12 @@ static void vfma64(S390Vector *v1, const S390Vector *v2, const S390Vector *v3, int i; for (i = 0; i < 2; i++) { - const uint64_t a = s390_vec_read_element64(v2, i); - const uint64_t b = s390_vec_read_element64(v3, i); - const uint64_t c = s390_vec_read_element64(v4, i); - uint64_t ret = float64_muladd(a, b, c, flags, &env->fpu_status); + const float64 a = s390_vec_read_float64(v2, i); + const float64 b = s390_vec_read_float64(v3, i); + const float64 c = s390_vec_read_float64(v4, i); + const float64 ret = float64_muladd(a, b, c, flags, &env->fpu_status); - s390_vec_write_element64(&tmp, i, ret); + s390_vec_write_float64(&tmp, i, ret); vxc = check_ieee_exc(env, i, false, &vec_exc); if (s || vxc) { break; @@ -389,29 +389,21 @@ static void vfma64(S390Vector *v1, const S390Vector *v2, const S390Vector *v3, *v1 = tmp; } -void HELPER(gvec_vfma64)(void *v1, const void *v2, const void *v3, - const void *v4, CPUS390XState *env, uint32_t desc) -{ - vfma64(v1, v2, v3, v4, env, false, 0, GETPC()); -} - -void HELPER(gvec_vfma64s)(void *v1, const void *v2, const void *v3, - const void *v4, CPUS390XState *env, uint32_t desc) -{ - vfma64(v1, v2, v3, v4, env, true, 0, GETPC()); +#define DEF_GVEC_VFMA_B(NAME, FLAGS, BITS) \ +void HELPER(gvec_##NAME##BITS)(void *v1, const void *v2, const void *v3, \ + const void *v4, CPUS390XState *env, \ + uint32_t desc) \ +{ \ + const bool se = extract32(simd_data(desc), 3, 1); \ + \ + vfma##BITS(v1, v2, v3, v4, env, se, FLAGS, GETPC()); \ } -void HELPER(gvec_vfms64)(void *v1, const void *v2, const void *v3, - const void *v4, CPUS390XState *env, uint32_t desc) -{ - vfma64(v1, v2, v3, v4, env, false, float_muladd_negate_c, GETPC()); -} +#define DEF_GVEC_VFMA(NAME, FLAGS) \ + DEF_GVEC_VFMA_B(NAME, FLAGS, 64) -void HELPER(gvec_vfms64s)(void *v1, const void *v2, const void *v3, - const void *v4, CPUS390XState *env, uint32_t desc) -{ - vfma64(v1, v2, v3, v4, env, true, float_muladd_negate_c, GETPC()); -} +DEF_GVEC_VFMA(vfma, 0) +DEF_GVEC_VFMA(vfms, float_muladd_negate_c) void HELPER(gvec_vftci64)(void *v1, const void *v2, CPUS390XState *env, uint32_t desc) -- 2.31.1