From 50449ae482ff2c6f985e6f60ebccdff96e64e1bd Mon Sep 17 00:00:00 2001 From: Matheus Ferst Date: Wed, 2 Mar 2022 06:51:37 +0100 Subject: [PATCH] target/ppc: Implement Vector Compare Greater Than Quadword MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Implement the following PowerISA v3.1 instructions: vcmpgtsq: Vector Compare Greater Than Signed Quadword vcmpgtuq: Vector Compare Greater Than Unsigned Quadword Reviewed-by: Richard Henderson Signed-off-by: Matheus Ferst Message-Id: <20220225210936.1749575-13-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater --- target/ppc/insn32.decode | 2 ++ target/ppc/translate/vmx-impl.c.inc | 39 +++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 437a3e29e0..07a4ef9103 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -388,11 +388,13 @@ VCMPGTSB 000100 ..... ..... ..... . 1100000110 @VC VCMPGTSH 000100 ..... ..... ..... . 1101000110 @VC VCMPGTSW 000100 ..... ..... ..... . 1110000110 @VC VCMPGTSD 000100 ..... ..... ..... . 1111000111 @VC +VCMPGTSQ 000100 ..... ..... ..... . 1110000111 @VC VCMPGTUB 000100 ..... ..... ..... . 1000000110 @VC VCMPGTUH 000100 ..... ..... ..... . 1001000110 @VC VCMPGTUW 000100 ..... ..... ..... . 1010000110 @VC VCMPGTUD 000100 ..... ..... ..... . 1011000111 @VC +VCMPGTUQ 000100 ..... ..... ..... . 1010000111 @VC VCMPNEB 000100 ..... ..... ..... . 0000000111 @VC VCMPNEH 000100 ..... ..... ..... . 0001000111 @VC diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index b7e9afb978..7f9913235e 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1143,6 +1143,45 @@ static bool trans_VCMPEQUQ(DisasContext *ctx, arg_VC *a) return true; } +static bool do_vcmpgtq(DisasContext *ctx, arg_VC *a, bool sign) +{ + TCGv_i64 t0, t1, t2; + + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + t2 = tcg_temp_new_i64(); + + get_avr64(t0, a->vra, false); + get_avr64(t1, a->vrb, false); + tcg_gen_setcond_i64(TCG_COND_GTU, t2, t0, t1); + + get_avr64(t0, a->vra, true); + get_avr64(t1, a->vrb, true); + tcg_gen_movcond_i64(TCG_COND_EQ, t2, t0, t1, t2, tcg_constant_i64(0)); + tcg_gen_setcond_i64(sign ? TCG_COND_GT : TCG_COND_GTU, t1, t0, t1); + + tcg_gen_or_i64(t1, t1, t2); + tcg_gen_neg_i64(t1, t1); + + set_avr64(a->vrt, t1, true); + set_avr64(a->vrt, t1, false); + + if (a->rc) { + tcg_gen_extrl_i64_i32(cpu_crf[6], t1); + tcg_gen_andi_i32(cpu_crf[6], cpu_crf[6], 0xa); + tcg_gen_xori_i32(cpu_crf[6], cpu_crf[6], 0x2); + } + + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(t2); + + return true; +} + +TRANS(VCMPGTSQ, do_vcmpgtq, true) +TRANS(VCMPGTUQ, do_vcmpgtq, false) + GEN_VXRFORM(vcmpeqfp, 3, 3) GEN_VXRFORM(vcmpgefp, 3, 7) GEN_VXRFORM(vcmpgtfp, 3, 11)