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envelope-from=clg@kaod.org; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?V=C3=ADctor_Colombo?= , Peter Maydell , Matheus Ferst , =?utf-8?q?C=C3=A9dric_Le_Goa?= =?utf-8?q?ter?= Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Víctor Colombo Signed-off-by: Víctor Colombo Signed-off-by: Matheus Ferst Message-Id: <20220225210936.1749575-39-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater --- target/ppc/insn32.decode | 7 +++++ target/ppc/translate/vsx-impl.c.inc | 40 +++++++++++++++++++++++++++++ 2 files changed, 47 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index c28cc13325fe..973cda113166 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -155,6 +155,9 @@ &XX2 xt xb uim:uint8_t @XX2 ...... ..... ... uim:2 ..... ......... .. &XX2 xt=%xx_xt xb=%xx_xb +&XX2_bf_xb bf xb +@XX2_bf_xb ...... bf:3 .. ..... ..... ......... . . &XX2_bf_xb xb=%xx_xb + &XX3 xt xa xb @XX3 ...... ..... ..... ..... ........ ... &XX3 xt=%xx_xt xa=%xx_xa xb=%xx_xb @@ -666,6 +669,10 @@ XSMINJDP 111100 ..... ..... ..... 10011000 ... @XX3 XSCVQPDP 111111 ..... 10100 ..... 1101000100 . @X_tb_rc +## VSX Vector Test Least-Significant Bit by Byte Instruction + +XVTLSBB 111100 ... -- 00010 ..... 111011011 . - @XX2_bf_xb + ### rfebb &XL_s s:uint8_t @XL_s ......-------------- s:1 .......... - &XL_s diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc index 292a14f5aa98..4da889531bd7 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -1704,6 +1704,46 @@ static bool trans_LXVKQ(DisasContext *ctx, arg_X_uim5 *a) return true; } +static bool trans_XVTLSBB(DisasContext *ctx, arg_XX2_bf_xb *a) +{ + TCGv_i64 xb, t0, t1, all_true, all_false, mask, zero; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VSX(ctx); + + xb = tcg_temp_new_i64(); + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + all_true = tcg_temp_new_i64(); + all_false = tcg_temp_new_i64(); + mask = tcg_constant_i64(dup_const(MO_8, 1)); + zero = tcg_constant_i64(0); + + get_cpu_vsr(xb, a->xb, true); + tcg_gen_and_i64(t0, mask, xb); + get_cpu_vsr(xb, a->xb, false); + tcg_gen_and_i64(t1, mask, xb); + + tcg_gen_or_i64(all_false, t0, t1); + tcg_gen_and_i64(all_true, t0, t1); + + tcg_gen_setcond_i64(TCG_COND_EQ, all_false, all_false, zero); + tcg_gen_shli_i64(all_false, all_false, 1); + tcg_gen_setcond_i64(TCG_COND_EQ, all_true, all_true, mask); + tcg_gen_shli_i64(all_true, all_true, 3); + + tcg_gen_or_i64(t0, all_false, all_true); + tcg_gen_extrl_i64_i32(cpu_crf[a->bf], t0); + + tcg_temp_free_i64(xb); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(all_true); + tcg_temp_free_i64(all_false); + + return true; +} + static void gen_xxsldwi(DisasContext *ctx) { TCGv_i64 xth, xtl;