[Qemu-devel] [PATCH v2 05/12] target/mips: Support R5900 three-operand MADD1 and MADDU1

[Fredrik Noring]

Signed-off-by: Fredrik Noring <nor...@nocrew.org>
---
 target/mips/translate.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/target/mips/translate.c b/target/mips/translate.c
index 4808cb49c3..57b17ad8f6 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -5021,7 +5021,7 @@ static void gen_muldiv(DisasContext *ctx, uint32_t opc,
  *
  * and
  *
- *     MADD[U]    rd, rs, rt
+ *     MADD[U][1] rd, rs, rt
  *
  * such that
  *
@@ -5083,6 +5083,9 @@ static void gen_mul_txx9(DisasContext *ctx, uint32_t opc,
             tcg_temp_free_i32(t3);
         }
         break;
+    case TX79_MMI_MADD1:
+        acc = 1;
+        /* Fall through */
     case TX79_MMI_MADD:
         {
             TCGv_i64 t2 = tcg_temp_new_i64();
@@ -5102,6 +5105,9 @@ static void gen_mul_txx9(DisasContext *ctx, uint32_t opc,
             tcg_temp_free_i64(t2);
         }
         break;
+    case TX79_MMI_MADDU1:
+        acc = 1;
+        /* Fall through */
     case TX79_MMI_MADDU:
         {
             TCGv_i64 t2 = tcg_temp_new_i64();
@@ -26640,6 +26646,8 @@ static void decode_tx79_mmi(CPUMIPSState *env, 
DisasContext *ctx)
     case TX79_MMI_MULTU1:
     case TX79_MMI_MADD:
     case TX79_MMI_MADDU:
+    case TX79_MMI_MADD1:
+    case TX79_MMI_MADDU1:
         gen_mul_txx9(ctx, opc, rd, rs, rt);
         break;
     case TX79_MMI_DIV1:
@@ -26655,8 +26663,6 @@ static void decode_tx79_mmi(CPUMIPSState *env, 
DisasContext *ctx)
         gen_HILO1_tx79(ctx, opc, rd);
         break;
     case TX79_MMI_PLZCW:         /* TODO: TX79_MMI_PLZCW */
-    case TX79_MMI_MADD1:         /* TODO: TX79_MMI_MADD1 */
-    case TX79_MMI_MADDU1:        /* TODO: TX79_MMI_MADDU1 */
     case TX79_MMI_PMFHL:         /* TODO: TX79_MMI_PMFHL */
     case TX79_MMI_PMTHL:         /* TODO: TX79_MMI_PMTHL */
     case TX79_MMI_PSLLH:         /* TODO: TX79_MMI_PSLLH */
-- 
2.18.1