From 4c75c985d9b4d2ac7e0183083e31c243b06a3f2b Mon Sep 17 00:00:00 2001 From: Stefan Markovic Date: Thu, 2 Aug 2018 16:16:29 +0200 Subject: [PATCH] target/mips: Add emulation of DSP ASE for nanoMIPS - part 5 Add emulation of DSP ASE instructions for nanoMIPS - part 5. Reviewed-by: Richard Henderson Reviewed-by: Aleksandar Markovic Signed-off-by: Aleksandar Markovic Signed-off-by: Stefan Markovic --- target/mips/translate.c | 142 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) diff --git a/target/mips/translate.c b/target/mips/translate.c index 24476a53ec..c83dad0c22 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -17774,6 +17774,144 @@ static void gen_pool32axf_2_nanomips_insn(DisasContext *ctx, uint32_t opc, tcg_temp_free(v1_t); } +static void gen_pool32axf_4_nanomips_insn(DisasContext *ctx, uint32_t opc, + int rt, int rs) +{ + int ret = rt; + TCGv t0 = tcg_temp_new(); + TCGv v0_t = tcg_temp_new(); + + gen_load_gpr(v0_t, rs); + + switch (opc) { + case NM_ABSQ_S_QB: + check_dspr2(ctx); + gen_helper_absq_s_qb(v0_t, v0_t, cpu_env); + gen_store_gpr(v0_t, ret); + break; + case NM_ABSQ_S_PH: + check_dsp(ctx); + gen_helper_absq_s_ph(v0_t, v0_t, cpu_env); + gen_store_gpr(v0_t, ret); + break; + case NM_ABSQ_S_W: + check_dsp(ctx); + gen_helper_absq_s_w(v0_t, v0_t, cpu_env); + gen_store_gpr(v0_t, ret); + break; + case NM_PRECEQ_W_PHL: + check_dsp(ctx); + tcg_gen_andi_tl(v0_t, v0_t, 0xFFFF0000); + tcg_gen_ext32s_tl(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_PRECEQ_W_PHR: + check_dsp(ctx); + tcg_gen_andi_tl(v0_t, v0_t, 0x0000FFFF); + tcg_gen_shli_tl(v0_t, v0_t, 16); + tcg_gen_ext32s_tl(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_PRECEQU_PH_QBL: + check_dsp(ctx); + gen_helper_precequ_ph_qbl(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_PRECEQU_PH_QBR: + check_dsp(ctx); + gen_helper_precequ_ph_qbr(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_PRECEQU_PH_QBLA: + check_dsp(ctx); + gen_helper_precequ_ph_qbla(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_PRECEQU_PH_QBRA: + check_dsp(ctx); + gen_helper_precequ_ph_qbra(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_PRECEU_PH_QBL: + check_dsp(ctx); + gen_helper_preceu_ph_qbl(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_PRECEU_PH_QBR: + check_dsp(ctx); + gen_helper_preceu_ph_qbr(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_PRECEU_PH_QBLA: + check_dsp(ctx); + gen_helper_preceu_ph_qbla(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_PRECEU_PH_QBRA: + check_dsp(ctx); + gen_helper_preceu_ph_qbra(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_REPLV_PH: + check_dsp(ctx); + tcg_gen_ext16u_tl(v0_t, v0_t); + tcg_gen_shli_tl(t0, v0_t, 16); + tcg_gen_or_tl(v0_t, v0_t, t0); + tcg_gen_ext32s_tl(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_REPLV_QB: + check_dsp(ctx); + tcg_gen_ext8u_tl(v0_t, v0_t); + tcg_gen_shli_tl(t0, v0_t, 8); + tcg_gen_or_tl(v0_t, v0_t, t0); + tcg_gen_shli_tl(t0, v0_t, 16); + tcg_gen_or_tl(v0_t, v0_t, t0); + tcg_gen_ext32s_tl(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_BITREV: + check_dsp(ctx); + gen_helper_bitrev(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_INSV: + check_dsp(ctx); + { + TCGv tv0 = tcg_temp_new(); + + gen_load_gpr(tv0, rt); + gen_helper_insv(v0_t, cpu_env, v0_t, tv0); + gen_store_gpr(v0_t, ret); + tcg_temp_free(tv0); + } + break; + case NM_RADDU_W_QB: + check_dsp(ctx); + gen_helper_raddu_w_qb(v0_t, v0_t); + gen_store_gpr(v0_t, ret); + break; + case NM_BITSWAP: + gen_bitswap(ctx, OPC_BITSWAP, ret, rs); + break; + case NM_CLO: + gen_cl(ctx, OPC_CLO, ret, rs); + break; + case NM_CLZ: + gen_cl(ctx, OPC_CLZ, ret, rs); + break; + case NM_WSBH: + gen_bshfl(ctx, OPC_WSBH, ret, rs); + break; + default: + generate_exception_end(ctx, EXCP_RI); + break; + } + + tcg_temp_free(v0_t); + tcg_temp_free(t0); +} + static void gen_pool32axf_nanomips_insn(CPUMIPSState *env, DisasContext *ctx) { @@ -17795,6 +17933,10 @@ static void gen_pool32axf_nanomips_insn(CPUMIPSState *env, DisasContext *ctx) } break; case NM_POOL32AXF_4: + { + int32_t op1 = extract32(ctx->opcode, 9, 7); + gen_pool32axf_4_nanomips_insn(ctx, op1, rt, rs); + } break; case NM_POOL32AXF_5: switch (extract32(ctx->opcode, 9, 7)) {