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envelope-from=clg@kaod.org; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, KHOP_HELO_FCRDNS=0.187, 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: Peter Maydell , Richard Henderson , 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: Matheus Ferst Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson Message-Id: <20220225210936.1749575-27-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater --- target/ppc/insn32.decode | 1 + target/ppc/translate/vmx-impl.c.inc | 81 +++++++++++++++++++++++++++-- 2 files changed, 77 insertions(+), 5 deletions(-) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index c3d47a881573..87d482c5d961 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -498,6 +498,7 @@ VRLDMI 000100 ..... ..... ..... 00011000101 @VX VRLWNM 000100 ..... ..... ..... 00110000101 @VX VRLDNM 000100 ..... ..... ..... 00111000101 @VX +VRLQNM 000100 ..... ..... ..... 00101000101 @VX ## Vector Integer Arithmetic Instructions diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index 478a62440db3..eb305e84da9a 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1055,28 +1055,83 @@ TRANS_FLAGS2(ISA310, VSLQ, do_vector_shift_quad, false, false); TRANS_FLAGS2(ISA310, VSRQ, do_vector_shift_quad, true, false); TRANS_FLAGS2(ISA310, VSRAQ, do_vector_shift_quad, true, true); -static bool trans_VRLQ(DisasContext *ctx, arg_VX *a) +static void do_vrlq_mask(TCGv_i64 mh, TCGv_i64 ml, TCGv_i64 b, TCGv_i64 e) { - TCGv_i64 ah, al, n, t0, t1, zero = tcg_constant_i64(0); + TCGv_i64 th, tl, t0, t1, zero = tcg_constant_i64(0), + ones = tcg_constant_i64(-1); + + th = tcg_temp_new_i64(); + tl = tcg_temp_new_i64(); + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + + /* m = ~0 >> b */ + tcg_gen_andi_i64(t0, b, 64); + tcg_gen_movcond_i64(TCG_COND_NE, t1, t0, zero, zero, ones); + tcg_gen_andi_i64(t0, b, 0x3F); + tcg_gen_shr_i64(mh, t1, t0); + tcg_gen_shr_i64(ml, ones, t0); + tcg_gen_xori_i64(t0, t0, 63); + tcg_gen_shl_i64(t1, t1, t0); + tcg_gen_shli_i64(t1, t1, 1); + tcg_gen_or_i64(ml, t1, ml); + + /* t = ~0 >> e */ + tcg_gen_andi_i64(t0, e, 64); + tcg_gen_movcond_i64(TCG_COND_NE, t1, t0, zero, zero, ones); + tcg_gen_andi_i64(t0, e, 0x3F); + tcg_gen_shr_i64(th, t1, t0); + tcg_gen_shr_i64(tl, ones, t0); + tcg_gen_xori_i64(t0, t0, 63); + tcg_gen_shl_i64(t1, t1, t0); + tcg_gen_shli_i64(t1, t1, 1); + tcg_gen_or_i64(tl, t1, tl); + + /* t = t >> 1 */ + tcg_gen_shli_i64(t0, th, 63); + tcg_gen_shri_i64(tl, tl, 1); + tcg_gen_shri_i64(th, th, 1); + tcg_gen_or_i64(tl, t0, tl); + + /* m = m ^ t */ + tcg_gen_xor_i64(mh, mh, th); + tcg_gen_xor_i64(ml, ml, tl); + + /* Negate the mask if begin > end */ + tcg_gen_movcond_i64(TCG_COND_GT, t0, b, e, ones, zero); + + tcg_gen_xor_i64(mh, mh, t0); + tcg_gen_xor_i64(ml, ml, t0); + + tcg_temp_free_i64(th); + tcg_temp_free_i64(tl); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); +} + +static bool do_vector_rotl_quad(DisasContext *ctx, arg_VX *a, bool mask) +{ + TCGv_i64 ah, al, vrb, n, t0, t1, zero = tcg_constant_i64(0); REQUIRE_VECTOR(ctx); REQUIRE_INSNS_FLAGS2(ctx, ISA310); ah = tcg_temp_new_i64(); al = tcg_temp_new_i64(); + vrb = tcg_temp_new_i64(); n = tcg_temp_new_i64(); t0 = tcg_temp_new_i64(); t1 = tcg_temp_new_i64(); get_avr64(ah, a->vra, true); get_avr64(al, a->vra, false); - get_avr64(n, a->vrb, true); + get_avr64(vrb, a->vrb, true); tcg_gen_mov_i64(t0, ah); - tcg_gen_andi_i64(t1, n, 64); + tcg_gen_andi_i64(t1, vrb, 64); tcg_gen_movcond_i64(TCG_COND_NE, ah, t1, zero, al, ah); tcg_gen_movcond_i64(TCG_COND_NE, al, t1, zero, t0, al); - tcg_gen_andi_i64(n, n, 0x3F); + tcg_gen_andi_i64(n, vrb, 0x3F); tcg_gen_shl_i64(t0, ah, n); tcg_gen_shl_i64(t1, al, n); @@ -1091,11 +1146,24 @@ static bool trans_VRLQ(DisasContext *ctx, arg_VX *a) tcg_gen_shri_i64(ah, ah, 1); tcg_gen_or_i64(t1, ah, t1); + if (mask) { + tcg_gen_shri_i64(n, vrb, 8); + tcg_gen_shri_i64(vrb, vrb, 16); + tcg_gen_andi_i64(n, n, 0x7f); + tcg_gen_andi_i64(vrb, vrb, 0x7f); + + do_vrlq_mask(ah, al, vrb, n); + + tcg_gen_and_i64(t0, t0, ah); + tcg_gen_and_i64(t1, t1, al); + } + set_avr64(a->vrt, t0, true); set_avr64(a->vrt, t1, false); tcg_temp_free_i64(ah); tcg_temp_free_i64(al); + tcg_temp_free_i64(vrb); tcg_temp_free_i64(n); tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); @@ -1103,6 +1171,9 @@ static bool trans_VRLQ(DisasContext *ctx, arg_VX *a) return true; } +TRANS(VRLQ, do_vector_rotl_quad, false) +TRANS(VRLQNM, do_vector_rotl_quad, true) + #define GEN_VXFORM_SAT(NAME, VECE, NORM, SAT, OPC2, OPC3) \ static void glue(glue(gen_, NAME), _vec)(unsigned vece, TCGv_vec t, \ TCGv_vec sat, TCGv_vec a, \