From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44205) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bPBzB-00058U-0e for qemu-devel@nongnu.org; Mon, 18 Jul 2016 13:05:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bPBz6-0006jq-EH for qemu-devel@nongnu.org; Mon, 18 Jul 2016 13:05:40 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:3597 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bPBz6-0006jZ-7n for qemu-devel@nongnu.org; Mon, 18 Jul 2016 13:05:36 -0400 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u6IGx3cW103245 for ; Mon, 18 Jul 2016 13:05:35 -0400 Received: from e28smtp05.in.ibm.com (e28smtp05.in.ibm.com [125.16.236.5]) by mx0b-001b2d01.pphosted.com with ESMTP id 2482ge74w3-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 18 Jul 2016 13:05:35 -0400 Received: from localhost by e28smtp05.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 18 Jul 2016 22:35:32 +0530 From: Nikunj A Dadhania Date: Mon, 18 Jul 2016 22:35:10 +0530 In-Reply-To: <1468861517-2508-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1468861517-2508-1-git-send-email-nikunj@linux.vnet.ibm.com> Message-Id: <1468861517-2508-7-git-send-email-nikunj@linux.vnet.ibm.com> Subject: [Qemu-devel] [RFC v1 06/13] target-ppc: add modulo dword operations List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Cc: qemu-devel@nongnu.org, aneesh.kumar@linux.vnet.ibm.com, benh@kernel.crashing.org, nikunj@linux.vnet.ibm.com Adding following instructions for ISA3.0 support modud: Modulo Unsigned Dword modsd: Modulo Signed Dword Signed-off-by: Nikunj A Dadhania --- target-ppc/translate.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 487dd94..a561609 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1224,6 +1224,47 @@ static void glue(gen_, name)(DisasContext *ctx) \ GEN_INT_ARITH_MODW(modsw, 0x18, 1); GEN_INT_ARITH_MODW(moduw, 0x08, 0); +#if defined(TARGET_PPC64) +static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1, + TCGv arg2, int sign) +{ + TCGLabel *l1 = gen_new_label(); + TCGLabel *l2 = gen_new_label(); + TCGv_i64 t0 = tcg_temp_local_new_i64(); + + tcg_gen_brcondi_i64(TCG_COND_EQ, arg2, 0, l1); + if (sign) { + TCGLabel *l3 = gen_new_label(); + tcg_gen_brcondi_i64(TCG_COND_NE, arg2, -1, l3); + tcg_gen_brcondi_i64(TCG_COND_EQ, arg1, INT64_MIN, l1); + gen_set_label(l3); + tcg_gen_rem_i64(ret, arg1, arg2); + } else { + tcg_gen_remu_i64(ret, arg1, arg2); + } + tcg_gen_br(l2); + gen_set_label(l1); + if (sign) { + tcg_gen_sari_i64(ret, arg1, 63); + } else { + tcg_gen_movi_i64(ret, 0); + } + gen_set_label(l2); + tcg_temp_free_i64(t0); +} + +#define GEN_INT_ARITH_MODD(name, opc3, sign) \ +static void glue(gen_, name)(DisasContext *ctx) \ +{ \ + gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)], \ + cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ + sign); \ +} + +GEN_INT_ARITH_MODD(modsd, 0x18, 1); +GEN_INT_ARITH_MODD(modud, 0x08, 0); +#endif + /* mulhw mulhw. */ static void gen_mulhw(DisasContext *ctx) { @@ -10306,6 +10347,8 @@ GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206), +GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300), +GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300), #undef GEN_INT_ARITH_MUL_HELPER #define GEN_INT_ARITH_MUL_HELPER(name, opc3) \ -- 2.7.4