diff mbox series

[v4,4/7] tcg/ppc: Support vector dup2

Message ID 20190519041522.12327-5-richard.henderson@linaro.org
State Superseded
Headers show
Series tcg/ppc: Add vector opcodes | expand

Commit Message

Richard Henderson May 19, 2019, 4:15 a.m. UTC 
This is only used for 32-bit hosts.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 tcg/ppc/tcg-target.inc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

-- 
2.17.1
diff mbox series

Patch

diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c
index 9d58db9eb1..3219df2e90 100644
--- a/tcg/ppc/tcg-target.inc.c
+++ b/tcg/ppc/tcg-target.inc.c
@@ -3120,6 +3120,14 @@  static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
         }
         break;
 
+    case INDEX_op_dup2_vec:
+        assert(TCG_TARGET_REG_BITS == 32);
+        /* With inputs a1 = xLxx, a2 = xHxx  */
+        tcg_out32(s, VMRGHW | VRT(a0) | VRA(a2) | VRB(a1));  /* a0  = xxHL */
+        tcg_out_vsldoi(s, TCG_VEC_TMP1, a0, a0, 8);          /* tmp = HLxx */
+        tcg_out_vsldoi(s, a0, a0, TCG_VEC_TMP1, 8);          /* a0  = HLHL */
+        return;
+
     case INDEX_op_ppc_mrgh_vec:
         insn = mrgh_op[vece];
         break;
@@ -3498,6 +3506,7 @@  static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op)
     case INDEX_op_ppc_mulou_vec:
     case INDEX_op_ppc_pkum_vec:
     case INDEX_op_ppc_rotl_vec:
+    case INDEX_op_dup2_vec:
         return &v_v_v;
     case INDEX_op_not_vec:
     case INDEX_op_dup_vec: