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-rw-r--r--target-mips/translate.c238
1 files changed, 115 insertions, 123 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 140d873295..b2f32ad873 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -1803,8 +1803,23 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
int rs, int rt)
{
const char *opn = "mul/div";
- TCGv t0 = tcg_temp_local_new();
- TCGv t1 = tcg_temp_local_new();
+ TCGv t0, t1;
+
+ switch (opc) {
+ case OPC_DIV:
+ case OPC_DIVU:
+#if defined(TARGET_MIPS64)
+ case OPC_DDIV:
+ case OPC_DDIVU:
+#endif
+ t0 = tcg_temp_local_new();
+ t1 = tcg_temp_local_new();
+ break;
+ default:
+ t0 = tcg_temp_new();
+ t1 = tcg_temp_new();
+ break;
+ }
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
@@ -1812,30 +1827,22 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
case OPC_DIV:
{
int l1 = gen_new_label();
+ int l2 = gen_new_label();
+ tcg_gen_ext32s_tl(t0, t0);
+ tcg_gen_ext32s_tl(t1, t1);
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
- {
- int l2 = gen_new_label();
- TCGv_i32 r_tmp1 = tcg_temp_local_new_i32();
- TCGv_i32 r_tmp2 = tcg_temp_local_new_i32();
- TCGv_i32 r_tmp3 = tcg_temp_local_new_i32();
-
- tcg_gen_trunc_tl_i32(r_tmp1, t0);
- tcg_gen_trunc_tl_i32(r_tmp2, t1);
- tcg_gen_brcondi_i32(TCG_COND_NE, r_tmp1, -1 << 31, l2);
- tcg_gen_brcondi_i32(TCG_COND_NE, r_tmp2, -1, l2);
- tcg_gen_ext32s_tl(cpu_LO[0], t0);
- tcg_gen_movi_tl(cpu_HI[0], 0);
- tcg_gen_br(l1);
- gen_set_label(l2);
- tcg_gen_div_i32(r_tmp3, r_tmp1, r_tmp2);
- tcg_gen_rem_i32(r_tmp2, r_tmp1, r_tmp2);
- tcg_gen_ext_i32_tl(cpu_LO[0], r_tmp3);
- tcg_gen_ext_i32_tl(cpu_HI[0], r_tmp2);
- tcg_temp_free_i32(r_tmp1);
- tcg_temp_free_i32(r_tmp2);
- tcg_temp_free_i32(r_tmp3);
- }
+ tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
+ tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
+
+ tcg_gen_mov_tl(cpu_LO[0], t0);
+ tcg_gen_movi_tl(cpu_HI[0], 0);
+ tcg_gen_br(l1);
+ gen_set_label(l2);
+ tcg_gen_div_tl(cpu_LO[0], t0, t1);
+ tcg_gen_rem_tl(cpu_HI[0], t0, t1);
+ tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]);
+ tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]);
gen_set_label(l1);
}
opn = "div";
@@ -1844,40 +1851,28 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
{
int l1 = gen_new_label();
- tcg_gen_ext32s_tl(t1, t1);
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
- {
- TCGv_i32 r_tmp1 = tcg_temp_new_i32();
- TCGv_i32 r_tmp2 = tcg_temp_new_i32();
- TCGv_i32 r_tmp3 = tcg_temp_new_i32();
-
- tcg_gen_trunc_tl_i32(r_tmp1, t0);
- tcg_gen_trunc_tl_i32(r_tmp2, t1);
- tcg_gen_divu_i32(r_tmp3, r_tmp1, r_tmp2);
- tcg_gen_remu_i32(r_tmp1, r_tmp1, r_tmp2);
- tcg_gen_ext_i32_tl(cpu_LO[0], r_tmp3);
- tcg_gen_ext_i32_tl(cpu_HI[0], r_tmp1);
- tcg_temp_free_i32(r_tmp1);
- tcg_temp_free_i32(r_tmp2);
- tcg_temp_free_i32(r_tmp3);
- }
+ tcg_gen_divu_tl(cpu_LO[0], t0, t1);
+ tcg_gen_remu_tl(cpu_HI[0], t0, t1);
+ tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]);
+ tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]);
gen_set_label(l1);
}
opn = "divu";
break;
case OPC_MULT:
{
- TCGv_i64 r_tmp1 = tcg_temp_new_i64();
- TCGv_i64 r_tmp2 = tcg_temp_new_i64();
-
- tcg_gen_ext_tl_i64(r_tmp1, t0);
- tcg_gen_ext_tl_i64(r_tmp2, t1);
- tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
- tcg_temp_free_i64(r_tmp2);
- tcg_gen_trunc_i64_tl(t0, r_tmp1);
- tcg_gen_shri_i64(r_tmp1, r_tmp1, 32);
- tcg_gen_trunc_i64_tl(t1, r_tmp1);
- tcg_temp_free_i64(r_tmp1);
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
+
+ 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[0], t0);
tcg_gen_ext32s_tl(cpu_HI[0], t1);
}
@@ -1885,19 +1880,19 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
break;
case OPC_MULTU:
{
- TCGv_i64 r_tmp1 = tcg_temp_new_i64();
- TCGv_i64 r_tmp2 = tcg_temp_new_i64();
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
- tcg_gen_extu_tl_i64(r_tmp1, t0);
- tcg_gen_extu_tl_i64(r_tmp2, t1);
- tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
- tcg_temp_free_i64(r_tmp2);
- tcg_gen_trunc_i64_tl(t0, r_tmp1);
- tcg_gen_shri_i64(r_tmp1, r_tmp1, 32);
- tcg_gen_trunc_i64_tl(t1, r_tmp1);
- tcg_temp_free_i64(r_tmp1);
+ 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[0], t0);
tcg_gen_ext32s_tl(cpu_HI[0], t1);
}
@@ -1907,20 +1902,17 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
case OPC_DDIV:
{
int l1 = gen_new_label();
+ int l2 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
- {
- int l2 = gen_new_label();
-
- tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
- tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
- tcg_gen_mov_tl(cpu_LO[0], t0);
- tcg_gen_movi_tl(cpu_HI[0], 0);
- tcg_gen_br(l1);
- gen_set_label(l2);
- tcg_gen_div_i64(cpu_LO[0], t0, t1);
- tcg_gen_rem_i64(cpu_HI[0], t0, t1);
- }
+ tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
+ tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
+ tcg_gen_mov_tl(cpu_LO[0], t0);
+ tcg_gen_movi_tl(cpu_HI[0], 0);
+ tcg_gen_br(l1);
+ gen_set_label(l2);
+ tcg_gen_div_i64(cpu_LO[0], t0, t1);
+ tcg_gen_rem_i64(cpu_HI[0], t0, t1);
gen_set_label(l1);
}
opn = "ddiv";
@@ -1947,19 +1939,19 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
#endif
case OPC_MADD:
{
- TCGv_i64 r_tmp1 = tcg_temp_new_i64();
- TCGv_i64 r_tmp2 = tcg_temp_new_i64();
-
- tcg_gen_ext_tl_i64(r_tmp1, t0);
- tcg_gen_ext_tl_i64(r_tmp2, t1);
- tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
- tcg_gen_concat_tl_i64(r_tmp2, cpu_LO[0], cpu_HI[0]);
- tcg_gen_add_i64(r_tmp1, r_tmp1, r_tmp2);
- tcg_temp_free_i64(r_tmp2);
- tcg_gen_trunc_i64_tl(t0, r_tmp1);
- tcg_gen_shri_i64(r_tmp1, r_tmp1, 32);
- tcg_gen_trunc_i64_tl(t1, r_tmp1);
- tcg_temp_free_i64(r_tmp1);
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
+
+ tcg_gen_ext_tl_i64(t2, t0);
+ tcg_gen_ext_tl_i64(t3, t1);
+ tcg_gen_mul_i64(t2, t2, t3);
+ tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
+ tcg_gen_add_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[0], t0);
tcg_gen_ext32s_tl(cpu_LO[1], t1);
}
@@ -1967,21 +1959,21 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
break;
case OPC_MADDU:
{
- TCGv_i64 r_tmp1 = tcg_temp_new_i64();
- TCGv_i64 r_tmp2 = tcg_temp_new_i64();
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
- tcg_gen_extu_tl_i64(r_tmp1, t0);
- tcg_gen_extu_tl_i64(r_tmp2, t1);
- tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
- tcg_gen_concat_tl_i64(r_tmp2, cpu_LO[0], cpu_HI[0]);
- tcg_gen_add_i64(r_tmp1, r_tmp1, r_tmp2);
- tcg_temp_free_i64(r_tmp2);
- tcg_gen_trunc_i64_tl(t0, r_tmp1);
- tcg_gen_shri_i64(r_tmp1, r_tmp1, 32);
- tcg_gen_trunc_i64_tl(t1, r_tmp1);
- tcg_temp_free_i64(r_tmp1);
+ tcg_gen_extu_tl_i64(t2, t0);
+ tcg_gen_extu_tl_i64(t3, t1);
+ tcg_gen_mul_i64(t2, t2, t3);
+ tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
+ tcg_gen_add_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[0], t0);
tcg_gen_ext32s_tl(cpu_HI[0], t1);
}
@@ -1989,19 +1981,19 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
break;
case OPC_MSUB:
{
- TCGv_i64 r_tmp1 = tcg_temp_new_i64();
- TCGv_i64 r_tmp2 = tcg_temp_new_i64();
-
- tcg_gen_ext_tl_i64(r_tmp1, t0);
- tcg_gen_ext_tl_i64(r_tmp2, t1);
- tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
- tcg_gen_concat_tl_i64(r_tmp2, cpu_LO[0], cpu_HI[0]);
- tcg_gen_sub_i64(r_tmp1, r_tmp1, r_tmp2);
- tcg_temp_free_i64(r_tmp2);
- tcg_gen_trunc_i64_tl(t0, r_tmp1);
- tcg_gen_shri_i64(r_tmp1, r_tmp1, 32);
- tcg_gen_trunc_i64_tl(t1, r_tmp1);
- tcg_temp_free_i64(r_tmp1);
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
+
+ tcg_gen_ext_tl_i64(t2, t0);
+ tcg_gen_ext_tl_i64(t3, t1);
+ tcg_gen_mul_i64(t2, t2, t3);
+ tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
+ tcg_gen_sub_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[0], t0);
tcg_gen_ext32s_tl(cpu_HI[0], t1);
}
@@ -2009,21 +2001,21 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
break;
case OPC_MSUBU:
{
- TCGv_i64 r_tmp1 = tcg_temp_new_i64();
- TCGv_i64 r_tmp2 = tcg_temp_new_i64();
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
- tcg_gen_extu_tl_i64(r_tmp1, t0);
- tcg_gen_extu_tl_i64(r_tmp2, t1);
- tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
- tcg_gen_concat_tl_i64(r_tmp2, cpu_LO[0], cpu_HI[0]);
- tcg_gen_sub_i64(r_tmp1, r_tmp1, r_tmp2);
- tcg_temp_free_i64(r_tmp2);
- tcg_gen_trunc_i64_tl(t0, r_tmp1);
- tcg_gen_shri_i64(r_tmp1, r_tmp1, 32);
- tcg_gen_trunc_i64_tl(t1, r_tmp1);
- tcg_temp_free_i64(r_tmp1);
+ tcg_gen_extu_tl_i64(t2, t0);
+ tcg_gen_extu_tl_i64(t3, t1);
+ tcg_gen_mul_i64(t2, t2, t3);
+ tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
+ tcg_gen_sub_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[0], t0);
tcg_gen_ext32s_tl(cpu_HI[0], t1);
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-24 22:45:39 +0000