From 08d512e1b972a8993b9ad1829d79804891e68483 Mon Sep 17 00:00:00 2001 From: Matheus Ferst Date: Wed, 2 Mar 2022 06:51:37 +0100 Subject: target/ppc: implement vclrlb MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reviewed-by: Richard Henderson Signed-off-by: Matheus Ferst Message-Id: <20220225210936.1749575-16-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater --- target/ppc/insn32.decode | 2 ++ target/ppc/translate/vmx-impl.c.inc | 40 +++++++++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index d844d86..31cdbba 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -529,6 +529,8 @@ VSTRIBR 000100 ..... 00001 ..... . 0000001101 @VX_tb_rc VSTRIHL 000100 ..... 00010 ..... . 0000001101 @VX_tb_rc VSTRIHR 000100 ..... 00011 ..... . 0000001101 @VX_tb_rc +VCLRLB 000100 ..... ..... ..... 00110001101 @VX + # VSX Load/Store Instructions LXV 111101 ..... ..... ............ . 001 @DQ_TSX diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index 6962929..d43fba0 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1940,6 +1940,46 @@ TRANS(VSTRIBR, do_vstri, gen_helper_VSTRIBR) TRANS(VSTRIHL, do_vstri, gen_helper_VSTRIHL) TRANS(VSTRIHR, do_vstri, gen_helper_VSTRIHR) +static bool trans_VCLRLB(DisasContext *ctx, arg_VX *a) +{ + TCGv_i64 rb, mh, ml, tmp, + ones = tcg_constant_i64(-1), + zero = tcg_constant_i64(0); + + rb = tcg_temp_new_i64(); + mh = tcg_temp_new_i64(); + ml = tcg_temp_new_i64(); + tmp = tcg_temp_new_i64(); + + tcg_gen_extu_tl_i64(rb, cpu_gpr[a->vrb]); + tcg_gen_andi_i64(tmp, rb, 7); + tcg_gen_shli_i64(tmp, tmp, 3); + tcg_gen_shl_i64(tmp, ones, tmp); + tcg_gen_not_i64(tmp, tmp); + + tcg_gen_movcond_i64(TCG_COND_LTU, ml, rb, tcg_constant_i64(8), + tmp, ones); + tcg_gen_movcond_i64(TCG_COND_LTU, mh, rb, tcg_constant_i64(8), + zero, tmp); + tcg_gen_movcond_i64(TCG_COND_LTU, mh, rb, tcg_constant_i64(16), + mh, ones); + + get_avr64(tmp, a->vra, true); + tcg_gen_and_i64(tmp, tmp, mh); + set_avr64(a->vrt, tmp, true); + + get_avr64(tmp, a->vra, false); + tcg_gen_and_i64(tmp, tmp, ml); + set_avr64(a->vrt, tmp, false); + + tcg_temp_free_i64(rb); + tcg_temp_free_i64(mh); + tcg_temp_free_i64(ml); + tcg_temp_free_i64(tmp); + + return true; +} + #define GEN_VAFORM_PAIRED(name0, name1, opc2) \ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \ -- cgit v1.1