diff options
Diffstat (limited to 'target/mips/translate.c')
| -rw-r--r-- | target/mips/translate.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c index 8deffa1c48..7f8ecf42c2 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -3626,29 +3626,38 @@ static void gen_cl (DisasContext *ctx, uint32_t opc, /* Treat as NOP. */ return; } - t0 = tcg_temp_new(); + t0 = cpu_gpr[rd]; gen_load_gpr(t0, rs); + switch (opc) { case OPC_CLO: case R6_OPC_CLO: - gen_helper_clo(cpu_gpr[rd], t0); +#if defined(TARGET_MIPS64) + case OPC_DCLO: + case R6_OPC_DCLO: +#endif + tcg_gen_not_tl(t0, t0); break; + } + + switch (opc) { + case OPC_CLO: + case R6_OPC_CLO: case OPC_CLZ: case R6_OPC_CLZ: - gen_helper_clz(cpu_gpr[rd], t0); + tcg_gen_ext32u_tl(t0, t0); + tcg_gen_clzi_tl(t0, t0, TARGET_LONG_BITS); + tcg_gen_subi_tl(t0, t0, TARGET_LONG_BITS - 32); break; #if defined(TARGET_MIPS64) case OPC_DCLO: case R6_OPC_DCLO: - gen_helper_dclo(cpu_gpr[rd], t0); - break; case OPC_DCLZ: case R6_OPC_DCLZ: - gen_helper_dclz(cpu_gpr[rd], t0); + tcg_gen_clzi_i64(t0, t0, 64); break; #endif } - tcg_temp_free(t0); } /* Godson integer instructions */ |