diff options
Diffstat (limited to 'target-tricore')
| -rw-r--r-- | target-tricore/translate.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/target-tricore/translate.c b/target-tricore/translate.c index 525b236..1cebc9b 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -7583,6 +7583,59 @@ static void decode_rrr1_msubad_h(CPUTriCoreState *env, DisasContext *ctx) } } +/* RRRR format */ +static void decode_rrrr_extract_insert(CPUTriCoreState *env, DisasContext *ctx) +{ + uint32_t op2; + int r1, r2, r3, r4; + TCGv tmp_width, tmp_pos; + + r1 = MASK_OP_RRRR_S1(ctx->opcode); + r2 = MASK_OP_RRRR_S2(ctx->opcode); + r3 = MASK_OP_RRRR_S3(ctx->opcode); + r4 = MASK_OP_RRRR_D(ctx->opcode); + op2 = MASK_OP_RRRR_OP2(ctx->opcode); + + tmp_pos = tcg_temp_new(); + tmp_width = tcg_temp_new(); + + switch (op2) { + case OPC2_32_RRRR_DEXTR: + tcg_gen_andi_tl(tmp_pos, cpu_gpr_d[r3], 0x1f); + if (r1 == r2) { + tcg_gen_rotl_tl(cpu_gpr_d[r4], cpu_gpr_d[r1], tmp_pos); + } else { + tcg_gen_shl_tl(tmp_width, cpu_gpr_d[r1], tmp_pos); + tcg_gen_subfi_tl(tmp_pos, 32, tmp_pos); + tcg_gen_shr_tl(tmp_pos, cpu_gpr_d[r2], tmp_pos); + tcg_gen_or_tl(cpu_gpr_d[r4], tmp_width, tmp_pos); + } + break; + case OPC2_32_RRRR_EXTR: + case OPC2_32_RRRR_EXTR_U: + tcg_gen_andi_tl(tmp_width, cpu_gpr_d[r3+1], 0x1f); + tcg_gen_andi_tl(tmp_pos, cpu_gpr_d[r3], 0x1f); + tcg_gen_add_tl(tmp_pos, tmp_pos, tmp_width); + tcg_gen_subfi_tl(tmp_pos, 32, tmp_pos); + tcg_gen_shl_tl(cpu_gpr_d[r4], cpu_gpr_d[r1], tmp_pos); + tcg_gen_subfi_tl(tmp_width, 32, tmp_width); + if (op2 == OPC2_32_RRRR_EXTR) { + tcg_gen_sar_tl(cpu_gpr_d[r4], cpu_gpr_d[r4], tmp_width); + } else { + tcg_gen_shr_tl(cpu_gpr_d[r4], cpu_gpr_d[r4], tmp_width); + } + break; + case OPC2_32_RRRR_INSERT: + tcg_gen_andi_tl(tmp_width, cpu_gpr_d[r3+1], 0x1f); + tcg_gen_andi_tl(tmp_pos, cpu_gpr_d[r3], 0x1f); + gen_insert(cpu_gpr_d[r4], cpu_gpr_d[r1], cpu_gpr_d[r2], tmp_width, + tmp_pos); + break; + } + tcg_temp_free(tmp_pos); + tcg_temp_free(tmp_width); +} + static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx) { int op1; @@ -7898,6 +7951,9 @@ static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx) case OPCM_32_RRR1_MSUBAD_H: decode_rrr1_msubad_h(env, ctx); break; +/* RRRR format */ + case OPCM_32_RRRR_EXTRACT_INSERT: + decode_rrrr_extract_insert(env, ctx); } } |
