From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39028) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VUcJn-0003s6-0C for qemu-devel@nongnu.org; Fri, 11 Oct 2013 08:59:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VUcJe-0006lm-J4 for qemu-devel@nongnu.org; Fri, 11 Oct 2013 08:59:46 -0400 Message-ID: <5257F622.8050707@gmail.com> Date: Fri, 11 Oct 2013 07:59:14 -0500 From: Tom Musta MIME-Version: 1.0 References: <5257F4DD.7000204@gmail.com> In-Reply-To: <5257F4DD.7000204@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] [v2 04/13] Add lxvw4x List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-ppc@nongnu.org Cc: Tom Musta , qemu-devel@nongnu.org This patch adds the Load VSX Vector Word*4 Indexed (lxvw4x) instruction. V2: changed to use deposit_i64 per Richard Henderson's review. Signed-off-by: Tom Musta --- target-ppc/translate.c | 29 +++++++++++++++++++++++++++++ 1 files changed, 29 insertions(+), 0 deletions(-) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index e5021cf..064cfa1 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -7053,6 +7053,34 @@ static void gen_lxvdsx(DisasContext *ctx) tcg_temp_free(EA); } +static void gen_lxvw4x(DisasContext *ctx) +{ + TCGv EA, tmp; + TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode)); + TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode)); + if (unlikely(!ctx->vsx_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VSXU); + return; + } + gen_set_access_type(ctx, ACCESS_INT); + EA = tcg_temp_new(); + tmp = tcg_temp_new(); + gen_addr_reg_index(ctx, EA); + gen_qemu_ld32u(ctx, tmp, EA); + tcg_gen_addi_tl(EA, EA, 4); + gen_qemu_ld32u(ctx, xth, EA); + tcg_gen_deposit_i64(xth, xth, tmp, 32, 32); + + tcg_gen_addi_tl(EA, EA, 4); + gen_qemu_ld32u(ctx, tmp, EA); + tcg_gen_addi_tl(EA, EA, 4); + gen_qemu_ld32u(ctx, xtl, EA); + tcg_gen_deposit_i64(xtl, xtl, tmp, 32, 32); + + tcg_temp_free(EA); + tcg_temp_free(tmp); +} + static void gen_stxvd2x(DisasContext *ctx) { TCGv EA; @@ -9551,6 +9579,7 @@ GEN_VAFORM_PAIRED(vmaddfp, vnmsubfp, 23), GEN_HANDLER_E(lxsdx, 0x1F, 0x0C, 0x12, 0, PPC_NONE, PPC2_VSX), GEN_HANDLER_E(lxvd2x, 0x1F, 0x0C, 0x1A, 0, PPC_NONE, PPC2_VSX), GEN_HANDLER_E(lxvdsx, 0x1F, 0x0C, 0x0A, 0, PPC_NONE, PPC2_VSX), +GEN_HANDLER_E(lxvw4x, 0x1F, 0x0C, 0x18, 0, PPC_NONE, PPC2_VSX), GEN_HANDLER_E(stxvd2x, 0x1F, 0xC, 0x1E, 0, PPC_NONE, PPC2_VSX), -- 1.7.1