From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33331) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bha5c-0002ah-DA for qemu-devel@nongnu.org; Wed, 07 Sep 2016 06:28:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bha5X-0004b0-1X for qemu-devel@nongnu.org; Wed, 07 Sep 2016 06:28:19 -0400 From: David Gibson Date: Wed, 7 Sep 2016 20:28:47 +1000 Message-Id: <1473244183-31510-9-git-send-email-david@gibson.dropbear.id.au> In-Reply-To: <1473244183-31510-1-git-send-email-david@gibson.dropbear.id.au> References: <1473244183-31510-1-git-send-email-david@gibson.dropbear.id.au> Subject: [Qemu-devel] [PULL 08/64] target-ppc: add modulo dword operations List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: peter.maydell@linaro.org Cc: agraf@suse.de, thuth@redhat.com, lvivier@redhat.com, benh@kernel.crashing.org, qemu-devel@nongnu.org, qemu-ppc@nongnu.org, Nikunj A Dadhania , David Gibson From: Nikunj A Dadhania Adding following instructions for ISA3.0 support modud: Modulo Unsigned Dword modsd: Modulo Signed Dword Signed-off-by: Nikunj A Dadhania Reviewed-by: Richard Henderson --- target-ppc/translate.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index e3d9ac3..90aabb5 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1222,6 +1222,52 @@ static void glue(gen_, name)(DisasContext *ctx) \ GEN_INT_ARITH_MODW(moduw, 0x08, 0); GEN_INT_ARITH_MODW(modsw, 0x18, 1); +#if defined(TARGET_PPC64) +static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1, + TCGv arg2, int sign) +{ + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + + tcg_gen_mov_i64(t0, arg1); + tcg_gen_mov_i64(t1, arg2); + if (sign) { + TCGv_i64 t2 = tcg_temp_new_i64(); + TCGv_i64 t3 = tcg_temp_new_i64(); + tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN); + tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1); + tcg_gen_and_i64(t2, t2, t3); + tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0); + tcg_gen_or_i64(t2, t2, t3); + tcg_gen_movi_i64(t3, 0); + tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_rem_i64(ret, t0, t1); + tcg_temp_free_i64(t2); + tcg_temp_free_i64(t3); + } else { + TCGv_i64 t2 = tcg_const_i64(1); + TCGv_i64 t3 = tcg_const_i64(0); + tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1); + tcg_gen_remu_i64(ret, t0, t1); + tcg_temp_free_i64(t2); + tcg_temp_free_i64(t3); + } + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); +} + +#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(modud, 0x08, 0); +GEN_INT_ARITH_MODD(modsd, 0x18, 1); +#endif + /* mulhw mulhw. */ static void gen_mulhw(DisasContext *ctx) { @@ -10304,6 +10350,8 @@ 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