diff options
Diffstat (limited to 'target-tricore/translate.c')
| -rw-r--r-- | target-tricore/translate.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/target-tricore/translate.c b/target-tricore/translate.c index 1cebc9b787..f03cd26278 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -7636,6 +7636,65 @@ static void decode_rrrr_extract_insert(CPUTriCoreState *env, DisasContext *ctx) tcg_temp_free(tmp_width); } +/* RRRW format */ +static void decode_rrrw_extract_insert(CPUTriCoreState *env, DisasContext *ctx) +{ + uint32_t op2; + int r1, r2, r3, r4; + int32_t width; + + TCGv temp, temp2; + + op2 = MASK_OP_RRRW_OP2(ctx->opcode); + r1 = MASK_OP_RRRW_S1(ctx->opcode); + r2 = MASK_OP_RRRW_S2(ctx->opcode); + r3 = MASK_OP_RRRW_S3(ctx->opcode); + r4 = MASK_OP_RRRW_D(ctx->opcode); + width = MASK_OP_RRRW_WIDTH(ctx->opcode); + + temp = tcg_temp_new(); + + switch (op2) { + case OPC2_32_RRRW_EXTR: + tcg_gen_andi_tl(temp, cpu_gpr_d[r3], 0x1f); + tcg_gen_addi_tl(temp, temp, width); + tcg_gen_subfi_tl(temp, 32, temp); + tcg_gen_shl_tl(cpu_gpr_d[r4], cpu_gpr_d[r1], temp); + tcg_gen_sari_tl(cpu_gpr_d[r4], cpu_gpr_d[r4], 32 - width); + break; + case OPC2_32_RRRW_EXTR_U: + if (width == 0) { + tcg_gen_movi_tl(cpu_gpr_d[r4], 0); + } else { + tcg_gen_andi_tl(temp, cpu_gpr_d[r3], 0x1f); + tcg_gen_shr_tl(cpu_gpr_d[r4], cpu_gpr_d[r1], temp); + tcg_gen_andi_tl(cpu_gpr_d[r4], cpu_gpr_d[r4], ~0u >> (32-width)); + } + break; + case OPC2_32_RRRW_IMASK: + temp2 = tcg_temp_new(); + + tcg_gen_andi_tl(temp, cpu_gpr_d[r3], 0x1f); + tcg_gen_movi_tl(temp2, (1 << width) - 1); + tcg_gen_shl_tl(temp2, temp2, temp); + tcg_gen_shl_tl(cpu_gpr_d[r4], cpu_gpr_d[r2], temp); + tcg_gen_mov_tl(cpu_gpr_d[r4+1], temp2); + + tcg_temp_free(temp2); + break; + case OPC2_32_RRRW_INSERT: + temp2 = tcg_temp_new(); + + tcg_gen_movi_tl(temp, width); + tcg_gen_andi_tl(temp2, cpu_gpr_d[r3], 0x1f); + gen_insert(cpu_gpr_d[r4], cpu_gpr_d[r1], cpu_gpr_d[r2], temp, temp2); + + tcg_temp_free(temp2); + break; + } + tcg_temp_free(temp); +} + static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx) { int op1; @@ -7954,6 +8013,10 @@ static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx) /* RRRR format */ case OPCM_32_RRRR_EXTRACT_INSERT: decode_rrrr_extract_insert(env, ctx); +/* RRRW format */ + case OPCM_32_RRRW_EXTRACT_INSERT: + decode_rrrw_extract_insert(env, ctx); + break; } } |