From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52165) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cPNoP-0006n7-H0 for qemu-devel@nongnu.org; Fri, 06 Jan 2017 01:15:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cPNoL-0002o3-Vg for qemu-devel@nongnu.org; Fri, 06 Jan 2017 01:15:37 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:42313 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cPNoL-0002nw-JT for qemu-devel@nongnu.org; Fri, 06 Jan 2017 01:15:33 -0500 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id v066E15f009352 for ; Fri, 6 Jan 2017 01:15:33 -0500 Received: from e23smtp01.au.ibm.com (e23smtp01.au.ibm.com [202.81.31.143]) by mx0b-001b2d01.pphosted.com with ESMTP id 27t0y0hpua-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Fri, 06 Jan 2017 01:15:33 -0500 Received: from localhost by e23smtp01.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 6 Jan 2017 16:15:30 +1000 From: Nikunj A Dadhania Date: Fri, 6 Jan 2017 11:44:44 +0530 In-Reply-To: <1483683296-32568-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1483683296-32568-1-git-send-email-nikunj@linux.vnet.ibm.com> Message-Id: <1483683296-32568-3-git-send-email-nikunj@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH v1 02/14] target-ppc: Add xxinsertw instruction List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Cc: qemu-devel@nongnu.org, bharata@linux.vnet.ibm.com, nikunj@linux.vnet.ibm.com xxinsertw: VSX Vector Insert Word Signed-off-by: Nikunj A Dadhania --- target/ppc/helper.h | 1 + target/ppc/int_helper.c | 25 +++++++++++++++++++++++++ target/ppc/translate/vsx-impl.inc.c | 5 +++-- target/ppc/translate/vsx-ops.inc.c | 1 + 4 files changed, 30 insertions(+), 2 deletions(-) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 8b30420..6c5b194 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -541,6 +541,7 @@ DEF_HELPER_2(xvrspiz, void, env, i32) DEF_HELPER_2(xxperm, void, env, i32) DEF_HELPER_2(xxpermr, void, env, i32) DEF_HELPER_4(xxextractuw, void, env, tl, tl, i32) +DEF_HELPER_4(xxinsertw, void, env, tl, tl, i32) DEF_HELPER_2(efscfsi, i32, env, i32) DEF_HELPER_2(efscfui, i32, env, i32) diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 63ba0e3..24e5964 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -2059,6 +2059,31 @@ void helper_xxextractuw(CPUPPCState *env, target_ulong xtn, putVSR(xtn, &xt, env); } +void helper_xxinsertw(CPUPPCState *env, target_ulong xtn, + target_ulong xbn, uint32_t index) +{ + ppc_vsr_t xt, xb; + size_t es = sizeof(uint32_t); + int ins_index, i = 0; + + getVSR(xbn, &xb, env); + getVSR(xtn, &xt, env); + +#if defined(HOST_WORDS_BIGENDIAN) + ins_index = index; + for (i = 0; i < es && ins_index < 16; i++, ins_index++) { + xt.u8[ins_index] = xb.u8[8 - es + i]; + } +#else + ins_index = 15 - index; + for (i = es - 1; i >= 0 && ins_index >= 0; i--, ins_index--) { + xt.u8[ins_index] = xb.u8[8 + i]; + } +#endif + + putVSR(xtn, &xt, env); +} + #define VEXT_SIGNED(name, element, mask, cast, recast) \ void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \ { \ diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c index 7977f24..c9ba0f5 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -1180,7 +1180,7 @@ static void gen_xxsldwi(DisasContext *ctx) tcg_temp_free_i64(xtl); } -#define VSX_EXTRACT(name) \ +#define VSX_EXTRACT_INSERT(name) \ static void gen_##name(DisasContext *ctx) \ { \ TCGv xt, xb; \ @@ -1208,7 +1208,8 @@ static void gen_##name(DisasContext *ctx) \ tcg_temp_free_i32(t0); \ } -VSX_EXTRACT(xxextractuw) +VSX_EXTRACT_INSERT(xxextractuw) +VSX_EXTRACT_INSERT(xxinsertw) #undef GEN_XX2FORM #undef GEN_XX3FORM diff --git a/target/ppc/translate/vsx-ops.inc.c b/target/ppc/translate/vsx-ops.inc.c index 473d925..096d358 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -285,6 +285,7 @@ GEN_XX2FORM(xxspltw, 0x08, 0x0A, PPC2_VSX), GEN_XX1FORM(xxspltib, 0x08, 0x0B, PPC2_ISA300), GEN_XX3FORM_DM(xxsldwi, 0x08, 0x00), GEN_XX2FORM_EXT(xxextractuw, 0x0A, 0x0A, PPC2_ISA300), +GEN_XX2FORM_EXT(xxinsertw, 0x0A, 0x0B, PPC2_ISA300), #define GEN_XXSEL_ROW(opc3) \ GEN_HANDLER2_E(xxsel, "xxsel", 0x3C, 0x18, opc3, 0, PPC_NONE, PPC2_VSX), \ -- 2.7.4