diff options
Diffstat (limited to 'target-ppc/translate.c')
| -rw-r--r-- | target-ppc/translate.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index e400cf2da1..0368c37430 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -3859,7 +3859,24 @@ GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC) cpu_gpr[rD(ctx->opcode)], crn * 4); } } else { - gen_helper_load_cr(cpu_gpr[rD(ctx->opcode)]); + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_mov_i32(t0, cpu_crf[0]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[1]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[2]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[3]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[4]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[5]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[6]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[7]); + tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); + tcg_temp_free_i32(t0); } } @@ -3956,8 +3973,14 @@ GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC) tcg_temp_free_i32(temp); } } else { - TCGv_i32 temp = tcg_const_i32(crm); - gen_helper_store_cr(cpu_gpr[rS(ctx->opcode)], temp); + TCGv_i32 temp = tcg_temp_new_i32(); + tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]); + for (crn = 0 ; crn < 8 ; crn++) { + if (crm & (1 << crn)) { + tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4); + tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf); + } + } tcg_temp_free_i32(temp); } } |