[Qemu-devel] [PULL 12/14] tcg-aarch64: Support muluh, mulsh

[Richard Henderson <rth@twiddle.net>]

Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
Tested-by: Claudio Fontana <claudio.fontana@huawei.com>
---
 tcg/aarch64/tcg-target.c | 12 ++++++++++++
 tcg/aarch64/tcg-target.h |  4 ++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/tcg/aarch64/tcg-target.c b/tcg/aarch64/tcg-target.c
index b9dc6bb..9c50820 100644
--- a/tcg/aarch64/tcg-target.c
+++ b/tcg/aarch64/tcg-target.c
@@ -311,6 +311,8 @@ typedef enum {
     I3508_LSRV      = 0x1ac02400,
     I3508_ASRV      = 0x1ac02800,
     I3508_RORV      = 0x1ac02c00,
+    I3508_SMULH     = 0x9b407c00,
+    I3508_UMULH     = 0x9bc07c00,
 
     /* Logical shifted register instructions (without a shift).  */
     I3510_AND       = 0x0a000000,
@@ -1565,6 +1567,13 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
                         args[5], const_args[4], const_args[5], true);
         break;
 
+    case INDEX_op_muluh_i64:
+        tcg_out_insn(s, 3508, UMULH, TCG_TYPE_I64, a0, a1, a2);
+        break;
+    case INDEX_op_mulsh_i64:
+        tcg_out_insn(s, 3508, SMULH, TCG_TYPE_I64, a0, a1, a2);
+        break;
+
     case INDEX_op_mov_i64:
     case INDEX_op_mov_i32:
     case INDEX_op_movi_i64:
@@ -1694,6 +1703,9 @@ static const TCGTargetOpDef aarch64_op_defs[] = {
     { INDEX_op_sub2_i32, { "r", "r", "rZ", "rZ", "rwA", "rwMZ" } },
     { INDEX_op_sub2_i64, { "r", "r", "rZ", "rZ", "rA", "rMZ" } },
 
+    { INDEX_op_muluh_i64, { "r", "r", "r" } },
+    { INDEX_op_mulsh_i64, { "r", "r", "r" } },
+
     { -1 },
 };
 
diff --git a/tcg/aarch64/tcg-target.h b/tcg/aarch64/tcg-target.h
index f174ebd..c819095 100644
--- a/tcg/aarch64/tcg-target.h
+++ b/tcg/aarch64/tcg-target.h
@@ -89,8 +89,8 @@ typedef enum {
 #define TCG_TARGET_HAS_sub2_i64         1
 #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
 
 enum {
     TCG_AREG0 = TCG_REG_X19,
-- 
1.8.5.3