diff options
| -rw-r--r-- | target-microblaze/translate.c | 61 |
1 files changed, 9 insertions, 52 deletions
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c index 5274191ce3..de2090ac71 100644 --- a/target-microblaze/translate.c +++ b/target-microblaze/translate.c @@ -581,50 +581,10 @@ static void dec_msr(DisasContext *dc) } } -/* 64-bit signed mul, lower result in d and upper in d2. */ -static void t_gen_muls(TCGv d, TCGv d2, TCGv a, TCGv b) -{ - TCGv_i64 t0, t1; - - t0 = tcg_temp_new_i64(); - t1 = tcg_temp_new_i64(); - - tcg_gen_ext_i32_i64(t0, a); - tcg_gen_ext_i32_i64(t1, b); - tcg_gen_mul_i64(t0, t0, t1); - - tcg_gen_extrl_i64_i32(d, t0); - tcg_gen_shri_i64(t0, t0, 32); - tcg_gen_extrl_i64_i32(d2, t0); - - tcg_temp_free_i64(t0); - tcg_temp_free_i64(t1); -} - -/* 64-bit unsigned muls, lower result in d and upper in d2. */ -static void t_gen_mulu(TCGv d, TCGv d2, TCGv a, TCGv b) -{ - TCGv_i64 t0, t1; - - t0 = tcg_temp_new_i64(); - t1 = tcg_temp_new_i64(); - - tcg_gen_extu_i32_i64(t0, a); - tcg_gen_extu_i32_i64(t1, b); - tcg_gen_mul_i64(t0, t0, t1); - - tcg_gen_extrl_i64_i32(d, t0); - tcg_gen_shri_i64(t0, t0, 32); - tcg_gen_extrl_i64_i32(d2, t0); - - tcg_temp_free_i64(t0); - tcg_temp_free_i64(t1); -} - /* Multiplier unit. */ static void dec_mul(DisasContext *dc) { - TCGv d[2]; + TCGv tmp; unsigned int subcode; if ((dc->tb_flags & MSR_EE_FLAG) @@ -636,13 +596,11 @@ static void dec_mul(DisasContext *dc) } subcode = dc->imm & 3; - d[0] = tcg_temp_new(); - d[1] = tcg_temp_new(); if (dc->type_b) { LOG_DIS("muli r%d r%d %x\n", dc->rd, dc->ra, dc->imm); - t_gen_mulu(cpu_R[dc->rd], d[1], cpu_R[dc->ra], *(dec_alu_op_b(dc))); - goto done; + tcg_gen_mul_tl(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc))); + return; } /* mulh, mulhsu and mulhu are not available if C_USE_HW_MUL is < 2. */ @@ -651,30 +609,29 @@ static void dec_mul(DisasContext *dc) /* nop??? */ } + tmp = tcg_temp_new(); switch (subcode) { case 0: LOG_DIS("mul r%d r%d r%d\n", dc->rd, dc->ra, dc->rb); - t_gen_mulu(cpu_R[dc->rd], d[1], cpu_R[dc->ra], cpu_R[dc->rb]); + tcg_gen_mul_tl(cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]); break; case 1: LOG_DIS("mulh r%d r%d r%d\n", dc->rd, dc->ra, dc->rb); - t_gen_muls(d[0], cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]); + tcg_gen_muls2_tl(tmp, cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]); break; case 2: LOG_DIS("mulhsu r%d r%d r%d\n", dc->rd, dc->ra, dc->rb); - t_gen_muls(d[0], cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]); + tcg_gen_mulsu2_tl(tmp, cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]); break; case 3: LOG_DIS("mulhu r%d r%d r%d\n", dc->rd, dc->ra, dc->rb); - t_gen_mulu(d[0], cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]); + tcg_gen_mulu2_tl(tmp, cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]); break; default: cpu_abort(CPU(dc->cpu), "unknown MUL insn %x\n", subcode); break; } -done: - tcg_temp_free(d[0]); - tcg_temp_free(d[1]); + tcg_temp_free(tmp); } /* Div unit. */ |