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Fri, 07 Jan 2022 13:58:49 -0500 Received: from [201.28.113.2] (port=60478 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n5uRs-0007N1-7u; Fri, 07 Jan 2022 13:58:49 -0500 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Fri, 7 Jan 2022 15:57:41 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 134648001D1; Fri, 7 Jan 2022 15:57:41 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH 16/37] target/ppc: implement vclrrb Date: Fri, 7 Jan 2022 15:56:32 -0300 Message-Id: <20220107185653.1609775-17-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 X-OriginalArrivalTime: 07 Jan 2022 18:57:41.0384 (UTC) FILETIME=[726B5880:01D803F8] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) 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-ppc@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-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-ppc" From: Matheus Ferst Signed-off-by: Matheus Ferst --- target/ppc/insn32.decode | 1 + target/ppc/translate/vmx-impl.c.inc | 43 +++++++++++++++++++++++------ 2 files changed, 35 insertions(+), 9 deletions(-) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index f718f29521..923286e37f 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -502,6 +502,7 @@ VSTRIHL 000100 ..... 00010 ..... . 0000001101 @VX_tb_rc VSTRIHR 000100 ..... 00011 ..... . 0000001101 @VX_tb_rc VCLRLB 000100 ..... ..... ..... 00110001101 @VX +VCLRRB 000100 ..... ..... ..... 00111001101 @VX # VSX Load/Store Instructions diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index 3fb4935bff..9ae0ab94ac 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1956,7 +1956,7 @@ TRANS(VSTRIBR, do_vstri, gen_helper_VSTRIBR) TRANS(VSTRIHL, do_vstri, gen_helper_VSTRIHL) TRANS(VSTRIHR, do_vstri, gen_helper_VSTRIHR) -static bool trans_VCLRLB(DisasContext *ctx, arg_VX *a) +static bool do_vclrb(DisasContext *ctx, arg_VX *a, bool right) { TCGv_i64 hi, lo, rb; TCGLabel *l, *end; @@ -1976,29 +1976,51 @@ static bool trans_VCLRLB(DisasContext *ctx, arg_VX *a) /* RB == 0: all zeros */ tcg_gen_brcondi_i64(TCG_COND_EQ, rb, 0, end); - get_avr64(lo, a->vra, false); + if (right) { + get_avr64(hi, a->vra, true); + } else { + get_avr64(lo, a->vra, false); + } /* RB <= 8 */ tcg_gen_brcondi_i64(TCG_COND_LEU, rb, 8, l); - get_avr64(hi, a->vra, true); + if (right) { + get_avr64(lo, a->vra, false); + } else { + get_avr64(hi, a->vra, true); + } /* RB >= 16: just copy VRA to VRB */ tcg_gen_brcondi_i64(TCG_COND_GEU, rb, 16, end); - /* 8 < RB < 16: copy lo and partially clear hi */ + /* 8 < RB < 16: */ tcg_gen_subfi_i64(rb, 16, rb); tcg_gen_shli_i64(rb, rb, 3); - tcg_gen_shl_i64(hi, hi, rb); - tcg_gen_shr_i64(hi, hi, rb); + if (right) { + /* copy hi and partially clear lo */ + tcg_gen_shr_i64(lo, lo, rb); + tcg_gen_shl_i64(lo, lo, rb); + } else { + /* copy lo and partially clear hi */ + tcg_gen_shl_i64(hi, hi, rb); + tcg_gen_shr_i64(hi, hi, rb); + } tcg_gen_br(end); - /* 0 < RB <= 8: zeroes hi and partially clears lo */ + /* 0 < RB <= 8: */ gen_set_label(l); tcg_gen_subfi_i64(rb, 8, rb); tcg_gen_shli_i64(rb, rb, 3); - tcg_gen_shl_i64(lo, lo, rb); - tcg_gen_shr_i64(lo, lo, rb); + if (right) { + /* zeroes lo and partially clears hi */ + tcg_gen_shr_i64(hi, hi, rb); + tcg_gen_shl_i64(hi, hi, rb); + } else { + /* zeroes hi and partially clears lo */ + tcg_gen_shl_i64(lo, lo, rb); + tcg_gen_shr_i64(lo, lo, rb); + } /* Update VRT */ gen_set_label(end); @@ -2012,6 +2034,9 @@ static bool trans_VCLRLB(DisasContext *ctx, arg_VX *a) return true; } +TRANS(VCLRLB, do_vclrb, false) +TRANS(VCLRRB, do_vclrb, true) + #define GEN_VAFORM_PAIRED(name0, name1, opc2) \ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \