From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51561) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bQsYk-0002ND-9k for qemu-devel@nongnu.org; Sat, 23 Jul 2016 04:45:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bQsYh-0007Fp-K9 for qemu-devel@nongnu.org; Sat, 23 Jul 2016 04:45:22 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:9197 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bQsYh-0007Fl-F7 for qemu-devel@nongnu.org; Sat, 23 Jul 2016 04:45:19 -0400 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u6N8hbWS109451 for ; Sat, 23 Jul 2016 04:45:18 -0400 Received: from e23smtp05.au.ibm.com (e23smtp05.au.ibm.com [202.81.31.147]) by mx0b-001b2d01.pphosted.com with ESMTP id 24c4rk8rbx-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Sat, 23 Jul 2016 04:45:18 -0400 Received: from localhost by e23smtp05.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sat, 23 Jul 2016 18:45:15 +1000 From: Nikunj A Dadhania Date: Sat, 23 Jul 2016 14:14:42 +0530 In-Reply-To: <1469263490-19130-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1469263490-19130-1-git-send-email-nikunj@linux.vnet.ibm.com> Message-Id: <1469263490-19130-6-git-send-email-nikunj@linux.vnet.ibm.com> Subject: [Qemu-devel] [RFC v2 05/13] target-ppc: add modulo word operations 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, nikunj@linux.vnet.ibm.com, bharata@linux.vnet.ibm.com, aneesh.kumar@linux.vnet.ibm.com Adding following instructions: moduw: Modulo Unsigned Word modsw: Modulo Signed Word Signed-off-by: Nikunj A Dadhania --- target-ppc/helper.h | 2 ++ target-ppc/int_helper.c | 15 +++++++++++++++ target-ppc/translate.c | 19 +++++++++++++++++++ 3 files changed, 36 insertions(+) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 1f5cfd0..76072fd 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -41,6 +41,8 @@ DEF_HELPER_FLAGS_1(cntlzw, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(popcntb, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(popcntw, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_2(cmpb, TCG_CALL_NO_RWG_SE, tl, tl, tl) +DEF_HELPER_FLAGS_2(modsw, TCG_CALL_NO_RWG_SE, i32, i32, i32) +DEF_HELPER_FLAGS_2(moduw, TCG_CALL_NO_RWG_SE, i32, i32, i32) DEF_HELPER_3(sraw, tl, env, tl, tl) #if defined(TARGET_PPC64) DEF_HELPER_FLAGS_1(cntlzd, TCG_CALL_NO_RWG_SE, tl, tl) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 7445376..631e0b4 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -139,6 +139,21 @@ uint64_t helper_divde(CPUPPCState *env, uint64_t rau, uint64_t rbu, uint32_t oe) #endif +uint32_t helper_modsw(uint32_t rau, uint32_t rbu) +{ + int32_t ra = (int32_t) rau; + int32_t rb = (int32_t) rbu; + + if ((rb == 0) || (ra == INT32_MIN && rb == -1)) { + return 0; + } + return ra % rb; +} + +uint32_t helper_moduw(uint32_t ra, uint32_t rb) +{ + return rb ? ra % rb : 0; +} target_ulong helper_cntlzw(target_ulong t) { diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 7e349e8..4348efd 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1175,6 +1175,23 @@ GEN_DIVE(divde, divde, 0); GEN_DIVE(divdeo, divde, 1); #endif +#define GEN_INT_ARITH_MODW(name, opc3, sign) \ +static void glue(gen_, name)(DisasContext *ctx) \ +{ \ + TCGv_i32 t0 = tcg_temp_new_i32(); \ + TCGv_i32 t1 = tcg_temp_new_i32(); \ + \ + tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); \ + tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); \ + gen_helper_##name(t0, t0 , t1); \ + tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); \ + tcg_temp_free_i32(t0); \ + tcg_temp_free_i32(t1); \ +} + +GEN_INT_ARITH_MODW(moduw, 0x08, 0); +GEN_INT_ARITH_MODW(modsw, 0x18, 1); + /* mulhw mulhw. */ static void gen_mulhw(DisasContext *ctx) { @@ -10241,6 +10258,8 @@ GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206), +GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300), +GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300), #if defined(TARGET_PPC64) #undef GEN_INT_ARITH_DIVD -- 2.7.4