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Fri, 7 Jan 2022 15:57:42 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id A71B7800473; Fri, 7 Jan 2022 15:57:42 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH 23/37] target/ppc: Implement xxpermx instruction Date: Fri, 7 Jan 2022 15:56:39 -0300 Message-Id: <20220107185653.1609775-24-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220107185653.1609775-1-matheus.ferst@eldorado.org.br> References: <20220107185653.1609775-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-OriginalArrivalTime: 07 Jan 2022 18:57:42.0996 (UTC) FILETIME=[73615140:01D803F8] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=201.28.113.2; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: danielhb413@gmail.com, richard.henderson@linaro.org, groug@kaod.org, clg@kaod.org, Matheus Ferst , david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1641584891338100001 Content-Type: text/plain; charset="utf-8" From: Matheus Ferst Signed-off-by: Matheus Ferst --- target/ppc/helper.h | 1 + target/ppc/insn64.decode | 8 ++++++++ target/ppc/int_helper.c | 20 ++++++++++++++++++++ target/ppc/translate/vsx-impl.c.inc | 22 ++++++++++++++++++++++ 4 files changed, 51 insertions(+) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index bedd2896d3..2a4cd89643 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -502,6 +502,7 @@ DEF_HELPER_3(xvrspim, void, env, vsr, vsr) DEF_HELPER_3(xvrspip, void, env, vsr, vsr) DEF_HELPER_3(xvrspiz, void, env, vsr, vsr) DEF_HELPER_4(xxextractuw, void, env, vsr, vsr, i32) +DEF_HELPER_5(XXPERMX, void, vsr, vsr, vsr, vsr, tl) DEF_HELPER_4(xxinsertw, void, env, vsr, vsr, i32) DEF_HELPER_3(xvxsigsp, void, env, vsr, vsr) DEF_HELPER_5(XXBLENDVB, void, vsr, vsr, vsr, vsr, i32) diff --git a/target/ppc/insn64.decode b/target/ppc/insn64.decode index 9e4f531fb9..0963e064b1 100644 --- a/target/ppc/insn64.decode +++ b/target/ppc/insn64.decode @@ -54,6 +54,11 @@ ...... ..... ..... ..... ..... .. .... \ &8RR_XX4 xt=3D%8rr_xx_xt xa=3D%8rr_xx_xa xb=3D%8rr_xx_xb x= c=3D%8rr_xx_xc =20 +&8RR_XX4_uim3 xt xa xb xc uim3 +@8RR_XX4_uim3 ...... .. .... .. ............... uim3:3 \ + ...... ..... ..... ..... ..... .. .... \ + &8RR_XX4_uim3 xt=3D%8rr_xx_xt xa=3D%8rr_xx_xa xb=3D%8rr_xx= _xb xc=3D%8rr_xx_xc + ### Fixed-Point Load Instructions =20 PLBZ 000001 10 0--.-- .................. \ @@ -194,3 +199,6 @@ XXBLENDVH 000001 01 0000 -- ------------------ \ 100001 ..... ..... ..... ..... 01 .... @8RR_XX4 XXBLENDVB 000001 01 0000 -- ------------------ \ 100001 ..... ..... ..... ..... 00 .... @8RR_XX4 + +XXPERMX 000001 01 0000 -- --------------- ... \ + 100010 ..... ..... ..... ..... 00 .... @8RR_XX4_uim3 diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 3c604a5c09..27739400e4 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -1153,6 +1153,26 @@ void helper_VMULHUD(ppc_avr_t *r, ppc_avr_t *a, ppc_= avr_t *b, uint32_t desc) mulu64(&discard, &r->u64[1], a->u64[1], b->u64[1]); } =20 +void helper_XXPERMX(ppc_vsr_t *t, ppc_vsr_t *s0, ppc_vsr_t *s1, ppc_vsr_t = *pcv, + target_ulong uim) +{ + int i, idx; + ppc_vsr_t tmp =3D { .u64 =3D {0, 0} }; + + for (i =3D 0; i < ARRAY_SIZE(t->u8); i++) { + if ((pcv->VsrB(i) >> 5) =3D=3D uim) { + idx =3D pcv->VsrB(i) & 0x1f; + if (idx < ARRAY_SIZE(t->u8)) { + tmp.VsrB(i) =3D s0->VsrB(idx); + } else { + tmp.VsrB(i) =3D s1->VsrB(idx - ARRAY_SIZE(t->u8)); + } + } + } + + *t =3D tmp; +} + void helper_VPERM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) { ppc_avr_t result; diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx= -impl.c.inc index 1cb626da2d..4ac4399235 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -1232,6 +1232,28 @@ static bool trans_XXPERMDI(DisasContext *ctx, arg_XX= 3_dm *a) return true; } =20 +static bool trans_XXPERMX(DisasContext *ctx, arg_8RR_XX4_uim3 *a) +{ + TCGv_ptr xt, xa, xb, xc; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VSX(ctx); + + xt =3D gen_vsr_ptr(a->xt); + xa =3D gen_vsr_ptr(a->xa); + xb =3D gen_vsr_ptr(a->xb); + xc =3D gen_vsr_ptr(a->xc); + + gen_helper_XXPERMX(xt, xa, xb, xc, tcg_constant_tl(a->uim3)); + + tcg_temp_free_ptr(xt); + tcg_temp_free_ptr(xa); + tcg_temp_free_ptr(xb); + tcg_temp_free_ptr(xc); + + return true; +} + #define GEN_VSX_HELPER_VSX_MADD(name, op1, aop, mop, inval, type) = \ static void gen_##name(DisasContext *ctx) = \ { = \ --=20 2.25.1