From patchwork Tue Nov 9 05:51:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 12609833 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6E2FC4332F for ; Tue, 9 Nov 2021 06:59:32 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9D72B61159 for ; Tue, 9 Nov 2021 06:59:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 9D72B61159 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:37666 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkL6R-0005XD-OM for qemu-devel@archiver.kernel.org; Tue, 09 Nov 2021 01:59:31 -0500 Received: from eggs.gnu.org ([209.51.188.92]:50356) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkK4L-00056q-Ac; Tue, 09 Nov 2021 00:53:17 -0500 Received: from gandalf.ozlabs.org ([150.107.74.76]:38231) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkK4H-0006tE-J6; Tue, 09 Nov 2021 00:53:17 -0500 Received: by gandalf.ozlabs.org (Postfix, from userid 1007) id 4HpHDp4W0cz4xfF; Tue, 9 Nov 2021 16:52:10 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gibson.dropbear.id.au; s=201602; t=1636437130; bh=Bq+1upA5GZy13jqYY+FDcQq14U9U1/Jt74kuI+Ap3A0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Yf+TGycj9Q+Eg1WnSxsOZXsbf/HaND7sP537SY4bl8X7g9PsHroa5OHcN8WvjgqAk Bq+bKidYMRASWd65QjEGuANbkJOWBPzLS6LXxP24qJY9z1y2zlew4B/WtvLzdVPLOr JzTWwwcxKCzZyb1iycuQg09FoWMH9Pxdu9xCYNTI= From: David Gibson To: peter.maydell@linaro.org, clg@kaod.org, danielhb413@gmail.com, groug@kaod.org Subject: [PULL 36/54] target/ppc: Implement Vector Extract Double to VSR using GPR index insns Date: Tue, 9 Nov 2021 16:51:46 +1100 Message-Id: <20211109055204.230765-37-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211109055204.230765-1-david@gibson.dropbear.id.au> References: <20211109055204.230765-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Received-SPF: pass client-ip=150.107.74.76; envelope-from=dgibson@gandalf.ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_PASS=-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: Richard Henderson , qemu-devel@nongnu.org, Luis Pires , qemu-ppc@nongnu.org, Matheus Ferst , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Matheus Ferst Implement the following PowerISA v3.1 instructions: vextdubvlx: Vector Extract Double Unsigned Byte to VSR using GPR-specified Left-Index vextduhvlx: Vector Extract Double Unsigned Halfword to VSR using GPR-specified Left-Index vextduwvlx: Vector Extract Double Unsigned Word to VSR using GPR-specified Left-Index vextddvlx: Vector Extract Double Doubleword to VSR using GPR-specified Left-Index vextdubvrx: Vector Extract Double Unsigned Byte to VSR using GPR-specified Right-Index vextduhvrx: Vector Extract Double Unsigned Halfword to VSR using GPR-specified Right-Index vextduwvrx: Vector Extract Double Unsigned Word to VSR using GPR-specified Right-Index vextddvrx: Vector Extract Double Doubleword to VSR using GPR-specified Right-Index Suggested-by: Richard Henderson Reviewed-by: Richard Henderson Signed-off-by: Luis Pires Signed-off-by: Matheus Ferst Message-Id: <20211104123719.323713-10-matheus.ferst@eldorado.org.br> Signed-off-by: David Gibson --- target/ppc/helper.h | 4 +++ target/ppc/insn32.decode | 12 +++++++++ target/ppc/int_helper.c | 39 +++++++++++++++++++++++++++++ target/ppc/translate/vmx-impl.c.inc | 37 +++++++++++++++++++++++++++ 4 files changed, 92 insertions(+) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 356495f392..7ff1d055c4 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -334,6 +334,10 @@ DEF_HELPER_2(vextuwlx, tl, tl, avr) DEF_HELPER_2(vextubrx, tl, tl, avr) DEF_HELPER_2(vextuhrx, tl, tl, avr) DEF_HELPER_2(vextuwrx, tl, tl, avr) +DEF_HELPER_5(VEXTDUBVLX, void, env, avr, avr, avr, tl) +DEF_HELPER_5(VEXTDUHVLX, void, env, avr, avr, avr, tl) +DEF_HELPER_5(VEXTDUWVLX, void, env, avr, avr, avr, tl) +DEF_HELPER_5(VEXTDDVLX, void, env, avr, avr, avr, tl) DEF_HELPER_2(vsbox, void, avr, avr) DEF_HELPER_3(vcipher, void, avr, avr, avr) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 2eb7fb4e92..e438177b32 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -38,6 +38,9 @@ %dx_d 6:s10 16:5 0:1 @DX ...... rt:5 ..... .......... ..... . &DX d=%dx_d +&VA vrt vra vrb rc +@VA ...... vrt:5 vra:5 vrb:5 rc:5 ...... &VA + &VN vrt vra vrb sh @VN ...... vrt:5 vra:5 vrb:5 .. sh:3 ...... &VN @@ -347,6 +350,15 @@ VPEXTD 000100 ..... ..... ..... 10110001101 @VX ## Vector Permute and Formatting Instruction +VEXTDUBVLX 000100 ..... ..... ..... ..... 011000 @VA +VEXTDUBVRX 000100 ..... ..... ..... ..... 011001 @VA +VEXTDUHVLX 000100 ..... ..... ..... ..... 011010 @VA +VEXTDUHVRX 000100 ..... ..... ..... ..... 011011 @VA +VEXTDUWVLX 000100 ..... ..... ..... ..... 011100 @VA +VEXTDUWVRX 000100 ..... ..... ..... ..... 011101 @VA +VEXTDDVLX 000100 ..... ..... ..... ..... 011110 @VA +VEXTDDVRX 000100 ..... ..... ..... ..... 011111 @VA + VINSERTB 000100 ..... - .... ..... 01100001101 @VX_uim4 VINSERTH 000100 ..... - .... ..... 01101001101 @VX_uim4 VINSERTW 000100 ..... - .... ..... 01110001101 @VX_uim4 diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 6f9479fd53..b7861776c2 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -1642,6 +1642,45 @@ VINSX(D, uint64_t) #undef ELEM_ADDR #undef VINSX #if defined(HOST_WORDS_BIGENDIAN) +#define VEXTDVLX(NAME, SIZE) \ +void helper_##NAME(CPUPPCState *env, ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, \ + target_ulong index) \ +{ \ + const target_long idx = index; \ + ppc_avr_t tmp[2] = { *a, *b }; \ + memset(t, 0, sizeof(*t)); \ + if (idx >= 0 && idx + SIZE <= sizeof(tmp)) { \ + memcpy(&t->u8[ARRAY_SIZE(t->u8) / 2 - SIZE], (void *)tmp + idx, SIZE); \ + } else { \ + qemu_log_mask(LOG_GUEST_ERROR, "Invalid index for " #NAME " after 0x" \ + TARGET_FMT_lx ", RC = " TARGET_FMT_ld " > %d\n", \ + env->nip, idx < 0 ? SIZE - idx : idx, 32 - SIZE); \ + } \ +} +#else +#define VEXTDVLX(NAME, SIZE) \ +void helper_##NAME(CPUPPCState *env, ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, \ + target_ulong index) \ +{ \ + const target_long idx = index; \ + ppc_avr_t tmp[2] = { *b, *a }; \ + memset(t, 0, sizeof(*t)); \ + if (idx >= 0 && idx + SIZE <= sizeof(tmp)) { \ + memcpy(&t->u8[ARRAY_SIZE(t->u8) / 2], \ + (void *)tmp + sizeof(tmp) - SIZE - idx, SIZE); \ + } else { \ + qemu_log_mask(LOG_GUEST_ERROR, "Invalid index for " #NAME " after 0x" \ + TARGET_FMT_lx ", RC = " TARGET_FMT_ld " > %d\n", \ + env->nip, idx < 0 ? SIZE - idx : idx, 32 - SIZE); \ + } \ +} +#endif +VEXTDVLX(VEXTDUBVLX, 1) +VEXTDVLX(VEXTDUHVLX, 2) +VEXTDVLX(VEXTDUWVLX, 4) +VEXTDVLX(VEXTDDVLX, 8) +#undef VEXTDVLX +#if defined(HOST_WORDS_BIGENDIAN) #define VEXTRACT(suffix, element) \ void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ { \ diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index 6fd18690df..8eb8d3a067 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1228,6 +1228,43 @@ GEN_VXFORM_DUAL(vsplth, PPC_ALTIVEC, PPC_NONE, GEN_VXFORM_DUAL(vspltw, PPC_ALTIVEC, PPC_NONE, vextractuw, PPC_NONE, PPC2_ISA300); +static bool do_vextdx(DisasContext *ctx, arg_VA *a, int size, bool right, + void (*gen_helper)(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv)) +{ + TCGv_ptr vrt, vra, vrb; + TCGv rc; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VECTOR(ctx); + + vrt = gen_avr_ptr(a->vrt); + vra = gen_avr_ptr(a->vra); + vrb = gen_avr_ptr(a->vrb); + rc = tcg_temp_new(); + + tcg_gen_andi_tl(rc, cpu_gpr[a->rc], 0x1F); + if (right) { + tcg_gen_subfi_tl(rc, 32 - size, rc); + } + gen_helper(cpu_env, vrt, vra, vrb, rc); + + tcg_temp_free_ptr(vrt); + tcg_temp_free_ptr(vra); + tcg_temp_free_ptr(vrb); + tcg_temp_free(rc); + return true; +} + +TRANS(VEXTDUBVLX, do_vextdx, 1, false, gen_helper_VEXTDUBVLX) +TRANS(VEXTDUHVLX, do_vextdx, 2, false, gen_helper_VEXTDUHVLX) +TRANS(VEXTDUWVLX, do_vextdx, 4, false, gen_helper_VEXTDUWVLX) +TRANS(VEXTDDVLX, do_vextdx, 8, false, gen_helper_VEXTDDVLX) + +TRANS(VEXTDUBVRX, do_vextdx, 1, true, gen_helper_VEXTDUBVLX) +TRANS(VEXTDUHVRX, do_vextdx, 2, true, gen_helper_VEXTDUHVLX) +TRANS(VEXTDUWVRX, do_vextdx, 4, true, gen_helper_VEXTDUWVLX) +TRANS(VEXTDDVRX, do_vextdx, 8, true, gen_helper_VEXTDDVLX) + static bool do_vinsx(DisasContext *ctx, int vrt, int size, bool right, TCGv ra, TCGv_i64 rb, void (*gen_helper)(TCGv_ptr, TCGv_ptr, TCGv_i64, TCGv)) {