tcg/loongarch64: Implement mul/mulsh/muluh/div/divu/rem/remu ops

Signed-off-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211221054105.178795-19-git@xen0n.name>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

3 files changed, 74 insertions, 8 deletions

diff --git a/tcg/loongarch64/tcg-target-con-set.h b/tcg/loongarch64/tcg-target-con-set.h
index 4b8ce85897..fb56f3a295 100644
--- a/tcg/loongarch64/tcg-target-con-set.h
+++ b/tcg/loongarch64/tcg-target-con-set.h
@@ -23,3 +23,4 @@ C_O1_I2(r, r, rU)
 C_O1_I2(r, r, rW)
 C_O1_I2(r, 0, rZ)
 C_O1_I2(r, rZ, rN)
+C_O1_I2(r, rZ, rZ)
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index c71d25d3fe..0ae193fba5 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -717,6 +717,55 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
         }
         break;
 
+    case INDEX_op_mul_i32:
+        tcg_out_opc_mul_w(s, a0, a1, a2);
+        break;
+    case INDEX_op_mul_i64:
+        tcg_out_opc_mul_d(s, a0, a1, a2);
+        break;
+
+    case INDEX_op_mulsh_i32:
+        tcg_out_opc_mulh_w(s, a0, a1, a2);
+        break;
+    case INDEX_op_mulsh_i64:
+        tcg_out_opc_mulh_d(s, a0, a1, a2);
+        break;
+
+    case INDEX_op_muluh_i32:
+        tcg_out_opc_mulh_wu(s, a0, a1, a2);
+        break;
+    case INDEX_op_muluh_i64:
+        tcg_out_opc_mulh_du(s, a0, a1, a2);
+        break;
+
+    case INDEX_op_div_i32:
+        tcg_out_opc_div_w(s, a0, a1, a2);
+        break;
+    case INDEX_op_div_i64:
+        tcg_out_opc_div_d(s, a0, a1, a2);
+        break;
+
+    case INDEX_op_divu_i32:
+        tcg_out_opc_div_wu(s, a0, a1, a2);
+        break;
+    case INDEX_op_divu_i64:
+        tcg_out_opc_div_du(s, a0, a1, a2);
+        break;
+
+    case INDEX_op_rem_i32:
+        tcg_out_opc_mod_w(s, a0, a1, a2);
+        break;
+    case INDEX_op_rem_i64:
+        tcg_out_opc_mod_d(s, a0, a1, a2);
+        break;
+
+    case INDEX_op_remu_i32:
+        tcg_out_opc_mod_wu(s, a0, a1, a2);
+        break;
+    case INDEX_op_remu_i64:
+        tcg_out_opc_mod_du(s, a0, a1, a2);
+        break;
+
     case INDEX_op_mov_i32:  /* Always emitted via tcg_out_mov.  */
     case INDEX_op_mov_i64:
     default:
@@ -808,6 +857,22 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
     case INDEX_op_sub_i64:
         return C_O1_I2(r, rZ, rN);
 
+    case INDEX_op_mul_i32:
+    case INDEX_op_mul_i64:
+    case INDEX_op_mulsh_i32:
+    case INDEX_op_mulsh_i64:
+    case INDEX_op_muluh_i32:
+    case INDEX_op_muluh_i64:
+    case INDEX_op_div_i32:
+    case INDEX_op_div_i64:
+    case INDEX_op_divu_i32:
+    case INDEX_op_divu_i64:
+    case INDEX_op_rem_i32:
+    case INDEX_op_rem_i64:
+    case INDEX_op_remu_i32:
+    case INDEX_op_remu_i64:
+        return C_O1_I2(r, rZ, rZ);
+
     default:
         g_assert_not_reached();
     }
diff --git a/tcg/loongarch64/tcg-target.h b/tcg/loongarch64/tcg-target.h
index d1ded50cb0..05010805e7 100644
--- a/tcg/loongarch64/tcg-target.h
+++ b/tcg/loongarch64/tcg-target.h
@@ -93,8 +93,8 @@ typedef enum {
 
 /* optional instructions */
 #define TCG_TARGET_HAS_movcond_i32      0
-#define TCG_TARGET_HAS_div_i32          0
-#define TCG_TARGET_HAS_rem_i32          0
+#define TCG_TARGET_HAS_div_i32          1
+#define TCG_TARGET_HAS_rem_i32          1
 #define TCG_TARGET_HAS_div2_i32         0
 #define TCG_TARGET_HAS_rot_i32          1
 #define TCG_TARGET_HAS_deposit_i32      1
@@ -105,8 +105,8 @@ typedef enum {
 #define TCG_TARGET_HAS_sub2_i32         0
 #define TCG_TARGET_HAS_mulu2_i32        0
 #define TCG_TARGET_HAS_muls2_i32        0
-#define TCG_TARGET_HAS_muluh_i32        0
-#define TCG_TARGET_HAS_mulsh_i32        0
+#define TCG_TARGET_HAS_muluh_i32        1
+#define TCG_TARGET_HAS_mulsh_i32        1
 #define TCG_TARGET_HAS_ext8s_i32        1
 #define TCG_TARGET_HAS_ext16s_i32       1
 #define TCG_TARGET_HAS_ext8u_i32        1
@@ -130,8 +130,8 @@ typedef enum {
 
 /* 64-bit operations */
 #define TCG_TARGET_HAS_movcond_i64      0
-#define TCG_TARGET_HAS_div_i64          0
-#define TCG_TARGET_HAS_rem_i64          0
+#define TCG_TARGET_HAS_div_i64          1
+#define TCG_TARGET_HAS_rem_i64          1
 #define TCG_TARGET_HAS_div2_i64         0
 #define TCG_TARGET_HAS_rot_i64          1
 #define TCG_TARGET_HAS_deposit_i64      1
@@ -163,8 +163,8 @@ typedef enum {
 #define TCG_TARGET_HAS_sub2_i64         0
 #define TCG_TARGET_HAS_mulu2_i64        0
 #define TCG_TARGET_HAS_muls2_i64        0
-#define TCG_TARGET_HAS_muluh_i64        0
-#define TCG_TARGET_HAS_mulsh_i64        0
+#define TCG_TARGET_HAS_muluh_i64        1
+#define TCG_TARGET_HAS_mulsh_i64        1
 
 /* not defined -- call should be eliminated at compile time */
 void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);