From b58f393198117730937983b826de849b220f58d3 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 Quadword MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Implement the following PowerISA v3.1 instructions: vcmpsq: Vector Compare Signed Quadword vcmpuq: Vector Compare Unsigned Quadword Reviewed-by: Richard Henderson Signed-off-by: Matheus Ferst Message-Id: <20220225210936.1749575-14-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater --- target/ppc/insn32.decode | 6 ++++ target/ppc/translate/vmx-impl.c.inc | 45 +++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 07a4ef9103..f0cb6602e2 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -60,6 +60,9 @@ &VX vrt vra vrb @VX ...... vrt:5 vra:5 vrb:5 .......... . &VX +&VX_bf bf vra vrb +@VX_bf ...... bf:3 .. vra:5 vrb:5 ........... &VX_bf + &VX_uim4 vrt uim vrb @VX_uim4 ...... vrt:5 . uim:4 vrb:5 ........... &VX_uim4 @@ -404,6 +407,9 @@ VCMPNEZB 000100 ..... ..... ..... . 0100000111 @VC VCMPNEZH 000100 ..... ..... ..... . 0101000111 @VC VCMPNEZW 000100 ..... ..... ..... . 0110000111 @VC +VCMPSQ 000100 ... -- ..... ..... 00101000001 @VX_bf +VCMPUQ 000100 ... -- ..... ..... 00100000001 @VX_bf + ## Vector Bit Manipulation Instruction VCFUGED 000100 ..... ..... ..... 10101001101 @VX diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index 7f9913235e..ba2106dc7c 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1182,6 +1182,51 @@ static bool do_vcmpgtq(DisasContext *ctx, arg_VC *a, bool sign) TRANS(VCMPGTSQ, do_vcmpgtq, true) TRANS(VCMPGTUQ, do_vcmpgtq, false) +static bool do_vcmpq(DisasContext *ctx, arg_VX_bf *a, bool sign) +{ + TCGv_i64 vra, vrb; + TCGLabel *gt, *lt, *done; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VECTOR(ctx); + + vra = tcg_temp_local_new_i64(); + vrb = tcg_temp_local_new_i64(); + gt = gen_new_label(); + lt = gen_new_label(); + done = gen_new_label(); + + get_avr64(vra, a->vra, true); + get_avr64(vrb, a->vrb, true); + tcg_gen_brcond_i64((sign ? TCG_COND_GT : TCG_COND_GTU), vra, vrb, gt); + tcg_gen_brcond_i64((sign ? TCG_COND_LT : TCG_COND_LTU), vra, vrb, lt); + + get_avr64(vra, a->vra, false); + get_avr64(vrb, a->vrb, false); + tcg_gen_brcond_i64(TCG_COND_GTU, vra, vrb, gt); + tcg_gen_brcond_i64(TCG_COND_LTU, vra, vrb, lt); + + tcg_gen_movi_i32(cpu_crf[a->bf], CRF_EQ); + tcg_gen_br(done); + + gen_set_label(gt); + tcg_gen_movi_i32(cpu_crf[a->bf], CRF_GT); + tcg_gen_br(done); + + gen_set_label(lt); + tcg_gen_movi_i32(cpu_crf[a->bf], CRF_LT); + tcg_gen_br(done); + + gen_set_label(done); + tcg_temp_free_i64(vra); + tcg_temp_free_i64(vrb); + + return true; +} + +TRANS(VCMPSQ, do_vcmpq, true) +TRANS(VCMPUQ, do_vcmpq, false) + GEN_VXRFORM(vcmpeqfp, 3, 3) GEN_VXRFORM(vcmpgefp, 3, 7) GEN_VXRFORM(vcmpgtfp, 3, 11)