diff options
| -rw-r--r-- | target-mips/helper.h | 2 | ||||
| -rw-r--r-- | target-mips/op_helper.c | 12 | ||||
| -rw-r--r-- | target-mips/translate.c | 48 |
3 files changed, 20 insertions, 42 deletions
diff --git a/target-mips/helper.h b/target-mips/helper.h index cd48738..ed75e2c 100644 --- a/target-mips/helper.h +++ b/target-mips/helper.h @@ -24,8 +24,6 @@ DEF_HELPER_FLAGS_1(clz, TCG_CALL_NO_RWG_SE, tl, tl) #ifdef TARGET_MIPS64 DEF_HELPER_FLAGS_1(dclo, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(dclz, TCG_CALL_NO_RWG_SE, tl, tl) -DEF_HELPER_3(dmult, void, env, tl, tl) -DEF_HELPER_3(dmultu, void, env, tl, tl) #endif DEF_HELPER_3(muls, tl, env, tl, tl) diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index 526f84f..45cbb2f 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -267,18 +267,6 @@ target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1, (uint64_t)(uint32_t)arg2); } -#ifdef TARGET_MIPS64 -void helper_dmult(CPUMIPSState *env, target_ulong arg1, target_ulong arg2) -{ - muls64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), arg1, arg2); -} - -void helper_dmultu(CPUMIPSState *env, target_ulong arg1, target_ulong arg2) -{ - mulu64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), arg1, arg2); -} -#endif - #ifndef CONFIG_USER_ONLY static inline hwaddr do_translate_address(CPUMIPSState *env, diff --git a/target-mips/translate.c b/target-mips/translate.c index 4ee9615..f10a533 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -2715,47 +2715,39 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc, break; case OPC_MULT: { - TCGv_i64 t2 = tcg_temp_new_i64(); - TCGv_i64 t3 = tcg_temp_new_i64(); + TCGv_i32 t2 = tcg_temp_new_i32(); + TCGv_i32 t3 = tcg_temp_new_i32(); acc = ((ctx->opcode) >> 11) & 0x03; if (acc != 0) { check_dsp(ctx); } - tcg_gen_ext_tl_i64(t2, t0); - tcg_gen_ext_tl_i64(t3, t1); - tcg_gen_mul_i64(t2, t2, t3); - tcg_temp_free_i64(t3); - tcg_gen_trunc_i64_tl(t0, t2); - tcg_gen_shri_i64(t2, t2, 32); - tcg_gen_trunc_i64_tl(t1, t2); - tcg_temp_free_i64(t2); - tcg_gen_ext32s_tl(cpu_LO[acc], t0); - tcg_gen_ext32s_tl(cpu_HI[acc], t1); + tcg_gen_trunc_tl_i32(t2, t0); + tcg_gen_trunc_tl_i32(t3, t1); + tcg_gen_muls2_i32(t2, t3, t2, t3); + tcg_gen_ext_i32_tl(cpu_LO[acc], t2); + tcg_gen_ext_i32_tl(cpu_HI[acc], t3); + tcg_temp_free_i32(t2); + tcg_temp_free_i32(t3); } opn = "mult"; break; case OPC_MULTU: { - TCGv_i64 t2 = tcg_temp_new_i64(); - TCGv_i64 t3 = tcg_temp_new_i64(); + TCGv_i32 t2 = tcg_temp_new_i32(); + TCGv_i32 t3 = tcg_temp_new_i32(); acc = ((ctx->opcode) >> 11) & 0x03; if (acc != 0) { check_dsp(ctx); } - tcg_gen_ext32u_tl(t0, t0); - tcg_gen_ext32u_tl(t1, t1); - tcg_gen_extu_tl_i64(t2, t0); - tcg_gen_extu_tl_i64(t3, t1); - tcg_gen_mul_i64(t2, t2, t3); - tcg_temp_free_i64(t3); - tcg_gen_trunc_i64_tl(t0, t2); - tcg_gen_shri_i64(t2, t2, 32); - tcg_gen_trunc_i64_tl(t1, t2); - tcg_temp_free_i64(t2); - tcg_gen_ext32s_tl(cpu_LO[acc], t0); - tcg_gen_ext32s_tl(cpu_HI[acc], t1); + tcg_gen_trunc_tl_i32(t2, t0); + tcg_gen_trunc_tl_i32(t3, t1); + tcg_gen_mulu2_i32(t2, t3, t2, t3); + tcg_gen_ext_i32_tl(cpu_LO[acc], t2); + tcg_gen_ext_i32_tl(cpu_HI[acc], t3); + tcg_temp_free_i32(t2); + tcg_temp_free_i32(t3); } opn = "multu"; break; @@ -2791,11 +2783,11 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc, opn = "ddivu"; break; case OPC_DMULT: - gen_helper_dmult(cpu_env, t0, t1); + tcg_gen_muls2_i64(cpu_LO[0], cpu_HI[0], t0, t1); opn = "dmult"; break; case OPC_DMULTU: - gen_helper_dmultu(cpu_env, t0, t1); + tcg_gen_mulu2_i64(cpu_LO[0], cpu_HI[0], t0, t1); opn = "dmultu"; break; #endif |