Add gen_(const_)vec_duplicate helpers

[thirdparty/gcc.git] / gcc / config / powerpcspe / altivec.md

diff --git a/gcc/config/powerpcspe/altivec.md b/gcc/config/powerpcspe/altivec.md
index e98309a8ad416d6abee8020080272010936a08b7..f1cc6e2d07603c77b7995e6954da5f003d99ffc4 100644 (file)
--- a/gcc/config/powerpcspe/altivec.md
+++ b/gcc/config/powerpcspe/altivec.md
@@ -352,12 +352,10 @@
   HOST_WIDE_INT val = const_vector_elt_as_int (op1, elt);
   rtx rtx_val = GEN_INT (val);
   int shift = vspltis_shifted (op1);
-  int nunits = GET_MODE_NUNITS (<MODE>mode);
-  int i;
 
   gcc_assert (shift != 0);
   operands[2] = gen_reg_rtx (<MODE>mode);
-  operands[3] = gen_rtx_CONST_VECTOR (<MODE>mode, rtvec_alloc (nunits));
+  operands[3] = gen_const_vec_duplicate (<MODE>mode, rtx_val);
   operands[4] = gen_reg_rtx (<MODE>mode);
 
   if (shift < 0)
@@ -370,10 +368,6 @@
       operands[5] = CONST0_RTX (<MODE>mode);
       operands[6] = GEN_INT (shift);
     }
-
-  /* Populate the constant vectors.  */
-  for (i = 0; i < nunits; i++)
-    XVECEXP (operands[3], 0, i) = rtx_val;
 })
 
 (define_insn "get_vrsave_internal"
@@ -2752,15 +2746,8 @@
         (smax:VI2 (match_dup 1) (match_dup 4)))]
   "<VI_unit>"
 {
-  int i, n_elt = GET_MODE_NUNITS (<MODE>mode);
-  rtvec v = rtvec_alloc (n_elt);
-
-  /* Create an all 0 constant.  */
-  for (i = 0; i < n_elt; ++i)
-    RTVEC_ELT (v, i) = const0_rtx;
-
   operands[2] = gen_reg_rtx (<MODE>mode);
-  operands[3] = gen_rtx_CONST_VECTOR (<MODE>mode, v);
+  operands[3] = CONST0_RTX (<MODE>mode);
   operands[4] = gen_reg_rtx (<MODE>mode);
 })
 
@@ -2777,17 +2764,8 @@
         (smin:VI2 (match_dup 1) (match_dup 4)))]
   "<VI_unit>"
 {
-  int i;
-  int n_elt = GET_MODE_NUNITS (<MODE>mode);
-
-  rtvec v = rtvec_alloc (n_elt);
-
-  /* Create an all 0 constant.  */
-  for (i = 0; i < n_elt; ++i)
-    RTVEC_ELT (v, i) = const0_rtx;
-
   operands[2] = gen_reg_rtx (<MODE>mode);
-  operands[3] = gen_rtx_CONST_VECTOR (<MODE>mode, v);
+  operands[3] = CONST0_RTX (<MODE>mode);
   operands[4] = gen_reg_rtx (<MODE>mode);
 })