From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58653) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WLhoJ-00016I-Vk for qemu-devel@nongnu.org; Thu, 06 Mar 2014 18:35:22 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WLhnx-0003L6-EV for qemu-devel@nongnu.org; Thu, 06 Mar 2014 18:34:43 -0500 From: Alexander Graf Date: Fri, 7 Mar 2014 00:33:16 +0100 Message-Id: <1394148857-19607-70-git-send-email-agraf@suse.de> In-Reply-To: <1394148857-19607-1-git-send-email-agraf@suse.de> References: <1394148857-19607-1-git-send-email-agraf@suse.de> Subject: [Qemu-devel] [PULL 069/130] target-ppc: Add ISA2.06 lfiwzx Instruction List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell , Tom Musta , blauwirbel@gmail.com, qemu-ppc@nongnu.org, aliguori@amazon.com, aurelien@aurel32.net From: Tom Musta This patch adds the Load Floating Point as Integer Word and Zero Indexed (lfiwzx) instruction which was introduced in Power ISA 2.06. Signed-off-by: Tom Musta Reviewed-by: Richard Henderson Signed-off-by: Alexander Graf --- target-ppc/translate.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index c9aebc5..951f15e 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -3508,6 +3508,20 @@ static void gen_lfiwax(DisasContext *ctx) tcg_temp_free(t0); } +/* lfiwzx */ +static void gen_lfiwzx(DisasContext *ctx) +{ + TCGv EA; + if (unlikely(!ctx->fpu_enabled)) { + gen_exception(ctx, POWERPC_EXCP_FPU); + return; + } + gen_set_access_type(ctx, ACCESS_FLOAT); + EA = tcg_temp_new(); + gen_addr_reg_index(ctx, EA); + gen_qemu_ld32u_i64(ctx, cpu_fpr[rD(ctx->opcode)], EA); + tcg_temp_free(EA); +} /*** Floating-point store ***/ #define GEN_STF(name, stop, opc, type) \ static void glue(gen_, name)(DisasContext *ctx) \ @@ -9984,6 +9998,7 @@ GEN_LDXF(name, ldop, 0x17, op | 0x00, type) GEN_LDFS(lfd, ld64, 0x12, PPC_FLOAT) GEN_LDFS(lfs, ld32fs, 0x10, PPC_FLOAT) GEN_HANDLER_E(lfiwax, 0x1f, 0x17, 0x1a, 0x00000001, PPC_NONE, PPC2_ISA205), +GEN_HANDLER_E(lfiwzx, 0x1f, 0x17, 0x1b, 0x1, PPC_NONE, PPC2_FP_CVT_ISA206), GEN_HANDLER_E(lfdp, 0x39, 0xFF, 0xFF, 0x00200003, PPC_NONE, PPC2_ISA205), GEN_HANDLER_E(lfdpx, 0x1F, 0x17, 0x18, 0x00200001, PPC_NONE, PPC2_ISA205), -- 1.8.1.4