More improvements to sparc VIS vec_init code generation.

gcc/

	* config/sparc/sparc.md (UNSPEC_SHORT_LOAD): New unspec.
	(zero-extend_v8qi_vis, zero_extend_v4hi_vis): New expanders.
	(*zero_extend_v8qi_<P:mode>_insn,
	*zero_extend_v4hi_<P:mode>_insn): New insns.
	* config/sparc/sparc.c (vector_init_move_words,
	vector_init_prepare_elts, sparc_expand_vector_init_vis2,
	sparc_expand_vector_init_vis1): New functions.
	(vector_init_bshuffle): Rewrite to handle more cases and make use
	of locs[] array prepared by vector_init_prepare_elts.
	(vector_init_fpmerge, vector_init_faligndata): Delete.
	(sparc_expand_vector_init): Rewrite using new infrastructure.

gcc/testsuite/

	* lib/test-supports.exp
	(check_effective_target_ultrasparc_vis2_hw): New proc.
	(check_effective_target_ultrasparc_vis3_hw): New proc.
	* gcc.target/sparc/vec-init-1.inc: New vector init common code.
	* gcc.target/sparc/vec-init-2.inc: Likewise.
	* gcc.target/sparc/vec-init-3.inc: Likewise.
	* gcc.target/sparc/vec-init-1-vis1.c: New test.
	* gcc.target/sparc/vec-init-1-vis2.c: New test.
	* gcc.target/sparc/vec-init-1-vis3.c: New test.
	* gcc.target/sparc/vec-init-2-vis1.c: New test.
	* gcc.target/sparc/vec-init-2-vis2.c: New test.
	* gcc.target/sparc/vec-init-2-vis3.c: New test.
	* gcc.target/sparc/vec-init-3-vis1.c: New test.
	* gcc.target/sparc/vec-init-3-vis2.c: New test.
	* gcc.target/sparc/vec-init-3-vis3.c: New test.

From-SVN: r181024

17 files changed, 743 insertions, 100 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2df0736..328efb3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,17 @@
+2011-11-05  David S. Miller  <davem@davemloft.net>
+
+	* config/sparc/sparc.md (UNSPEC_SHORT_LOAD): New unspec.
+	(zero-extend_v8qi_vis, zero_extend_v4hi_vis): New expanders.
+	(*zero_extend_v8qi_<P:mode>_insn,
+	*zero_extend_v4hi_<P:mode>_insn): New insns.
+	* config/sparc/sparc.c (vector_init_move_words,
+	vector_init_prepare_elts, sparc_expand_vector_init_vis2,
+	sparc_expand_vector_init_vis1): New functions.
+	(vector_init_bshuffle): Rewrite to handle more cases and make use
+	of locs[] array prepared by vector_init_prepare_elts.
+	(vector_init_fpmerge, vector_init_faligndata): Delete.
+	(sparc_expand_vector_init): Rewrite using new infrastructure.
+
 2011-11-05  Joern Rennecke  <joern.rennecke@embecosm.com>
 
 	* config.gcc (epiphany-*-*): New architecture.
@@ -56,7 +70,7 @@
 	Remove -mcpu=601 multilib.
 	Remove -Dmpc8260 multilib.
 	* config/rs6000/rtems.h: Allow --float-gprs=... to override grps
-	on E500 targets.	
+	on E500 targets.
 
 2011-11-05  Quentin Neill  <quentin.neill@amd.com>
 
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c
index 0daa53d..5d22fc0 100644
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -11280,83 +11280,333 @@ output_v8plus_mult (rtx insn, rtx *operands, const char *name)
 }
 
 static void
-vector_init_bshuffle (rtx target, rtx elt, enum machine_mode mode,
+vector_init_bshuffle (rtx target, rtx *locs, int n_elts, enum machine_mode mode,
 		      enum machine_mode inner_mode)
 {
-      rtx t1, final_insn;
-      int bmask;
+  rtx mid_target, r0_high, r0_low, r1_high, r1_low;
+  enum machine_mode partial_mode;
+  int bmask, i, idxs[8];
 
-      t1 = gen_reg_rtx (mode);
+  partial_mode = (mode == V4HImode
+		  ? V2HImode
+		  : (mode == V8QImode
+		     ? V4QImode : mode));
 
-      elt = convert_modes (SImode, inner_mode, elt, true);
-      emit_move_insn (gen_lowpart(SImode, t1), elt);
+  r0_high = r0_low = NULL_RTX;
+  r1_high = r1_low = NULL_RTX;
 
-      switch (mode)
+  /* Move the pieces into place, as needed, and calculate the nibble
+     indexes for the bmask calculation.  After we execute this loop the
+     locs[] array is no longer needed.  Therefore, to simplify things,
+     we set entries that have been processed already to NULL_RTX.  */
+
+  for (i = 0; i < n_elts; i++)
+    {
+      int j;
+
+      if (locs[i] == NULL_RTX)
+	continue;
+
+      if (!r0_low)
 	{
-	case V2SImode:
-	  final_insn = gen_bshufflev2si_vis (target, t1, t1);
-	  bmask = 0x45674567;
-	  break;
-	case V4HImode:
-	  final_insn = gen_bshufflev4hi_vis (target, t1, t1);
-	  bmask = 0x67676767;
+	  r0_low = locs[i];
+	  idxs[i] = 0x7;
+	}
+      else if (!r1_low)
+	{
+	  r1_low = locs[i];
+	  idxs[i] = 0xf;
+	}
+      else if (!r0_high)
+	{
+	  r0_high = gen_highpart (partial_mode, r0_low);
+	  emit_move_insn (r0_high, gen_lowpart (partial_mode, locs[i]));
+	  idxs[i] = 0x3;
+	}
+      else if (!r1_high)
+	{
+	  r1_high = gen_highpart (partial_mode, r1_low);
+	  emit_move_insn (r1_high, gen_lowpart (partial_mode, locs[i]));
+	  idxs[i] = 0xb;
+	}
+      else
+	gcc_unreachable ();
+
+      for (j = i + 1; j < n_elts; j++)
+	{
+	  if (locs[j] == locs[i])
+	    {
+	      locs[j] = NULL_RTX;
+	      idxs[j] = idxs[i];
+	    }
+	}
+      locs[i] = NULL_RTX;
+    }
+
+  bmask = 0;
+  for (i = 0; i < n_elts; i++)
+    {
+      int v = idxs[i];
+
+      switch (GET_MODE_SIZE (inner_mode))
+	{
+	case 2:
+	  bmask <<= 8;
+	  bmask |= (((v - 1) << 4) | v);
 	  break;
-	case V8QImode:
-	  final_insn = gen_bshufflev8qi_vis (target, t1, t1);
-	  bmask = 0x77777777;
+
+	case 1:
+	  bmask <<= 4;
+	  bmask |= v;
 	  break;
+
 	default:
 	  gcc_unreachable ();
 	}
+    }
+
+  emit_insn (gen_bmasksi_vis (gen_reg_rtx (SImode), CONST0_RTX (SImode),
+			      force_reg (SImode, GEN_INT (bmask))));
+
+  mid_target = target;
+  if (GET_MODE_SIZE (mode) == 4)
+    {
+      mid_target = gen_reg_rtx (mode == V2HImode
+				? V4HImode : V8QImode);
+    }
+
+  if (!r1_low)
+    r1_low = r0_low;
+
+  switch (GET_MODE (mid_target))
+    {
+    case V4HImode:
+      emit_insn (gen_bshufflev4hi_vis (mid_target, r0_low, r1_low));
+      break;
+    case V8QImode:
+      emit_insn (gen_bshufflev8qi_vis (mid_target, r0_low, r1_low));
+      break;
+    default:
+      gcc_unreachable ();
+    }
 
-      emit_insn (gen_bmasksi_vis (gen_reg_rtx (SImode), CONST0_RTX (SImode),
-				  force_reg (SImode, GEN_INT (bmask))));
-      emit_insn (final_insn);
+  if (mid_target != target)
+    emit_move_insn (target, gen_lowpart (partial_mode, mid_target));
 }
 
+static bool
+vector_init_move_words (rtx target, rtx vals, enum machine_mode mode,
+			enum machine_mode inner_mode)
+{
+  switch (mode)
+    {
+    case V1SImode:
+    case V1DImode:
+      emit_move_insn (gen_lowpart (inner_mode, target),
+		      gen_lowpart (inner_mode, XVECEXP (vals, 0, 0)));
+      return true;
+
+    case V2SImode:
+      emit_move_insn (gen_highpart (SImode, target), XVECEXP (vals, 0, 0));
+      emit_move_insn (gen_lowpart (SImode, target), XVECEXP (vals, 0, 1));
+      return true;
+
+    default:
+      break;
+    }
+  return false;
+}
+
+/* Move the elements in rtvec VALS into registers compatible with MODE.
+   Store the rtx for these regs into the corresponding array entry of
+   LOCS.  */
 static void
-vector_init_fpmerge (rtx target, rtx elt, enum machine_mode inner_mode)
+vector_init_prepare_elts (rtx vals, int n_elts, rtx *locs, enum machine_mode mode,
+			  enum machine_mode inner_mode)
 {
-  rtx t1, t2, t3, t3_low;
+  enum machine_mode loc_mode;
+  int i;
 
-  t1 = gen_reg_rtx (V4QImode);
-  elt = convert_modes (SImode, inner_mode, elt, true);
-  emit_move_insn (gen_lowpart (SImode, t1), elt);
+  switch (mode)
+    {
+    case V2HImode:
+      loc_mode = V4HImode;
+      break;
 
-  t2 = gen_reg_rtx (V4QImode);
-  emit_move_insn (t2, t1);
+    case V4QImode:
+      loc_mode = V8QImode;
+      break;
+
+    case V4HImode:
+    case V8QImode:
+      loc_mode = mode;
+      break;
+
+    default:
+      gcc_unreachable ();
+    }
+
+  gcc_assert (GET_MODE_SIZE (inner_mode) <= 4);
+  for (i = 0; i < n_elts; i++)
+    {
+      rtx dst, elt = XVECEXP (vals, 0, i);
+      int j;
+
+      /* Did we see this already?  If so just record it's location.  */
+      dst = NULL_RTX;
+      for (j = 0; j < i; j++)
+	{
+	  if (XVECEXP (vals, 0, j) == elt)
+	    {
+	      dst = locs[j];
+	      break;
+	    }
+	}
 
-  t3 = gen_reg_rtx (V8QImode);
-  t3_low = gen_lowpart (V4QImode, t3);
+      if (! dst)
+	{
+	  enum rtx_code code = GET_CODE (elt);
 
-  emit_insn (gen_fpmerge_vis (t3, t1, t2));
-  emit_move_insn (t1, t3_low);
-  emit_move_insn (t2, t3_low);
+	  dst = gen_reg_rtx (loc_mode);
 
-  emit_insn (gen_fpmerge_vis (t3, t1, t2));
-  emit_move_insn (t1, t3_low);
-  emit_move_insn (t2, t3_low);
+	  /* We use different strategies based upon whether the element
+	     is in memory or in a register.  When we start in a register
+	     and we're VIS3 capable, it's always cheaper to use the VIS3
+	     int-->fp register moves since we avoid having to use stack
+	     memory.  */
+	  if ((TARGET_VIS3 && (code == REG || code == SUBREG))
+	      || (CONSTANT_P (elt)
+		  && (const_zero_operand (elt, inner_mode)
+		      || const_all_ones_operand (elt, inner_mode))))
+	    {
+	      elt = convert_modes (SImode, inner_mode, elt, true);
 
-  emit_insn (gen_fpmerge_vis (gen_lowpart (V8QImode, target), t1, t2));
+	      emit_clobber (dst);
+	      emit_move_insn (gen_lowpart (SImode, dst), elt);
+	    }
+	  else
+	    {
+	      rtx m = elt;
+
+	      if (CONSTANT_P (elt))
+		{
+		  m = force_const_mem (inner_mode, elt);
+		}
+	      else if (code != MEM)
+		{
+		  rtx stk = assign_stack_temp (inner_mode, GET_MODE_SIZE(inner_mode), 0);
+		  emit_move_insn (stk, elt);
+		  m = stk;
+		}
+
+	      switch (loc_mode)
+		{
+		case V4HImode:
+		  emit_insn (gen_zero_extend_v4hi_vis (dst, m));
+		  break;
+		case V8QImode:
+		  emit_insn (gen_zero_extend_v8qi_vis (dst, m));
+		  break;
+		default:
+		  gcc_unreachable ();
+		}
+	    }
+	}
+      locs[i] = dst;
+    }
 }
 
 static void
-vector_init_faligndata (rtx target, rtx elt, enum machine_mode inner_mode)
+sparc_expand_vector_init_vis2 (rtx target, rtx *locs, int n_elts, int n_unique,
+			       enum machine_mode mode,
+			       enum machine_mode inner_mode)
 {
-  rtx t1 = gen_reg_rtx (V4HImode);
+  if (n_unique <= 4)
+    {
+      vector_init_bshuffle (target, locs, n_elts, mode, inner_mode);
+    }
+  else
+    {
+      int i;
 
-  elt = convert_modes (SImode, inner_mode, elt, true);
+      gcc_assert (mode == V8QImode);
 
-  emit_move_insn (gen_lowpart (SImode, t1), elt);
+      emit_insn (gen_alignaddrsi_vis (gen_reg_rtx (SImode),
+				      force_reg (SImode, GEN_INT (7)),
+				      CONST0_RTX (SImode)));
+      i = n_elts - 1;
+      emit_insn (gen_faligndatav8qi_vis (target, locs[i], locs[i]));
+      while (--i >= 0)
+	emit_insn (gen_faligndatav8qi_vis (target, locs[i], target));
+    }
+}
+
+static void
+sparc_expand_vector_init_vis1 (rtx target, rtx *locs, int n_elts, int n_unique,
+			       enum machine_mode mode)
+{
+  enum machine_mode full_mode = mode;
+  rtx (*emitter)(rtx, rtx, rtx);
+  int alignaddr_val, i;
+  rtx tmp = target;
+
+  if (n_unique == 1 && mode == V8QImode)
+    {
+      rtx t2, t2_low, t1;
+
+      t1 = gen_reg_rtx (V4QImode);
+      emit_move_insn (t1, gen_lowpart (V4QImode, locs[0]));
+
+      t2 = gen_reg_rtx (V8QImode);
+      t2_low = gen_lowpart (V4QImode, t2);
+
+      /* xxxxxxAA --> xxxxxxxxxxxxAAAA
+         xxxxAAAA --> xxxxxxxxAAAAAAAA
+         AAAAAAAA --> AAAAAAAAAAAAAAAA */
+      emit_insn (gen_fpmerge_vis (t2, t1, t1));
+      emit_move_insn (t1, t2_low);
+      emit_insn (gen_fpmerge_vis (t2, t1, t1));
+      emit_move_insn (t1, t2_low);
+      emit_insn (gen_fpmerge_vis (target, t1, t1));
+      return;
+    }
+
+  switch (mode)
+    {
+    case V2HImode:
+      full_mode = V4HImode;
+      /* FALLTHRU */
+    case V4HImode:
+      emitter = gen_faligndatav4hi_vis;
+      alignaddr_val = 6;
+      break;
+
+    case V4QImode:
+      full_mode = V8QImode;
+      /* FALLTHRU */
+    case V8QImode:
+      emitter = gen_faligndatav8qi_vis;
+      alignaddr_val = 7;
+      break;
+
+    default:
+      gcc_unreachable ();
+    }
+
+  if (full_mode != mode)
+    tmp = gen_reg_rtx (full_mode);
 
   emit_insn (gen_alignaddrsi_vis (gen_reg_rtx (SImode),
-				  force_reg (SImode, GEN_INT (6)),
+				  force_reg (SImode, GEN_INT (alignaddr_val)),
 				  CONST0_RTX (SImode)));
 
-  emit_insn (gen_faligndatav4hi_vis (target, t1, target));
-  emit_insn (gen_faligndatav4hi_vis (target, t1, target));
-  emit_insn (gen_faligndatav4hi_vis (target, t1, target));
-  emit_insn (gen_faligndatav4hi_vis (target, t1, target));
+  i = n_elts - 1;
+  emit_insn (emitter (tmp, locs[i], locs[i]));
+  while (--i >= 0)
+    emit_insn (emitter (tmp, locs[i], tmp));
+
+  if (tmp != target)
+    emit_move_insn (target, gen_highpart (mode, tmp));
 }
 
 void
@@ -11365,19 +11615,30 @@ sparc_expand_vector_init (rtx target, rtx vals)
   enum machine_mode mode = GET_MODE (target);
   enum machine_mode inner_mode = GET_MODE_INNER (mode);
   int n_elts = GET_MODE_NUNITS (mode);
-  int i, n_var = 0;
-  bool all_same;
-  rtx mem;
+  int i, n_var = 0, n_unique = 0;
+  rtx locs[8];
+
+  gcc_assert (n_elts <= 8);
 
-  all_same = true;
   for (i = 0; i < n_elts; i++)
     {
       rtx x = XVECEXP (vals, 0, i);
+      bool found = false;
+      int j;
+
       if (!CONSTANT_P (x))
 	n_var++;
 
-      if (i > 0 && !rtx_equal_p (x, XVECEXP (vals, 0, 0)))
-	all_same = false;
+      for (j = 0; j < i; j++)
+	{
+	  if (rtx_equal_p (x, XVECEXP (vals, 0, j)))
+	    {
+	      found = true;
+	      break;
+	    }
+	}
+      if (!found)
+	n_unique++;
     }
 
   if (n_var == 0)
@@ -11386,56 +11647,16 @@ sparc_expand_vector_init (rtx target, rtx vals)
       return;
     }
 
-  if (GET_MODE_SIZE (inner_mode) == GET_MODE_SIZE (mode))
-    {
-      if (GET_MODE_SIZE (inner_mode) == 4)
-	{
-	  emit_move_insn (gen_lowpart (SImode, target),
-			  gen_lowpart (SImode, XVECEXP (vals, 0, 0)));
-	  return;
-	}
-      else if (GET_MODE_SIZE (inner_mode) == 8)
-	{
-	  emit_move_insn (gen_lowpart (DImode, target),
-			  gen_lowpart (DImode, XVECEXP (vals, 0, 0)));
-	  return;
-	}
-    }
-  else if (GET_MODE_SIZE (inner_mode) == GET_MODE_SIZE (word_mode)
-	   && GET_MODE_SIZE (mode) == 2 * GET_MODE_SIZE (word_mode))
-    {
-      emit_move_insn (gen_highpart (word_mode, target),
-		      gen_lowpart (word_mode, XVECEXP (vals, 0, 0)));
-      emit_move_insn (gen_lowpart (word_mode, target),
-		      gen_lowpart (word_mode, XVECEXP (vals, 0, 1)));
-      return;
-    }
+  if (vector_init_move_words (target, vals, mode, inner_mode))
+    return;
 
-  if (all_same && GET_MODE_SIZE (mode) == 8)
-    {
-      if (TARGET_VIS2)
-	{
-	  vector_init_bshuffle (target, XVECEXP (vals, 0, 0), mode, inner_mode);
-	  return;
-	}
-      if (mode == V8QImode)
-	{
-	  vector_init_fpmerge (target, XVECEXP (vals, 0, 0), inner_mode);
-	  return;
-	}
-      if (mode == V4HImode)
-	{
-	  vector_init_faligndata (target, XVECEXP (vals, 0, 0), inner_mode);
-	  return;
-	}
-    }
+  vector_init_prepare_elts (vals, n_elts, locs, mode, inner_mode);
 
-  mem = assign_stack_temp (mode, GET_MODE_SIZE (mode), 0);
-  for (i = 0; i < n_elts; i++)
-    emit_move_insn (adjust_address_nv (mem, inner_mode,
-				    i * GET_MODE_SIZE (inner_mode)),
-		    XVECEXP (vals, 0, i));
-  emit_move_insn (target, mem);
+  if (TARGET_VIS2)
+    sparc_expand_vector_init_vis2 (target, locs, n_elts, n_unique,
+				   mode, inner_mode);
+  else
+    sparc_expand_vector_init_vis1 (target, locs, n_elts, n_unique, mode);
 }
 
 static reg_class_t
diff --git a/gcc/config/sparc/sparc.md b/gcc/config/sparc/sparc.md
index d4827bd..7452f96 100644
--- a/gcc/config/sparc/sparc.md
+++ b/gcc/config/sparc/sparc.md
@@ -92,6 +92,7 @@
    (UNSPEC_MUL8			86)
    (UNSPEC_MUL8SU		87)
    (UNSPEC_MULDSU		88)
+   (UNSPEC_SHORT_LOAD		89)
   ])
 
 (define_constants
@@ -7830,6 +7831,48 @@
   DONE;
 })
 
+(define_expand "zero_extend_v8qi_vis"
+  [(set (match_operand:V8QI 0 "register_operand" "")
+        (unspec:V8QI [(match_operand:QI 1 "memory_operand" "")]
+                     UNSPEC_SHORT_LOAD))]
+  "TARGET_VIS"
+{
+  if (! REG_P (XEXP (operands[1], 0)))
+    {
+      rtx addr = force_reg (Pmode, XEXP (operands[1], 0));
+      operands[1] = replace_equiv_address (operands[1], addr);
+    }
+})
+
+(define_expand "zero_extend_v4hi_vis"
+  [(set (match_operand:V4HI 0 "register_operand" "")
+        (unspec:V4HI [(match_operand:HI 1 "memory_operand" "")]
+                     UNSPEC_SHORT_LOAD))]
+  "TARGET_VIS"
+{
+  if (! REG_P (XEXP (operands[1], 0)))
+    {
+      rtx addr = force_reg (Pmode, XEXP (operands[1], 0));
+      operands[1] = replace_equiv_address (operands[1], addr);
+    }
+})
+
+(define_insn "*zero_extend_v8qi_<P:mode>_insn"
+  [(set (match_operand:V8QI 0 "register_operand" "=e")
+        (unspec:V8QI [(mem:QI
+                       (match_operand:P 1 "register_operand" "r"))]
+                     UNSPEC_SHORT_LOAD))]
+  "TARGET_VIS"
+  "ldda\t[%1] 0xd0, %0")
+
+(define_insn "*zero_extend_v4hi_<P:mode>_insn"
+  [(set (match_operand:V4HI 0 "register_operand" "=e")
+        (unspec:V4HI [(mem:HI
+                       (match_operand:P 1 "register_operand" "r"))]
+                     UNSPEC_SHORT_LOAD))]
+  "TARGET_VIS"
+  "ldda\t[%1] 0xd2, %0")
+
 (define_expand "vec_init<mode>"
   [(match_operand:VMALL 0 "register_operand" "")
    (match_operand:VMALL 1 "" "")]
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8091789..b84dcf0 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,21 @@
+2011-11-05  David S. Miller  <davem@davemloft.net>
+
+	* lib/test-supports.exp
+	(check_effective_target_ultrasparc_vis2_hw): New proc.
+	(check_effective_target_ultrasparc_vis3_hw): New proc.
+	* gcc.target/sparc/vec-init-1.inc: New vector init common code.
+	* gcc.target/sparc/vec-init-2.inc: Likewise.
+	* gcc.target/sparc/vec-init-3.inc: Likewise.
+	* gcc.target/sparc/vec-init-1-vis1.c: New test.
+	* gcc.target/sparc/vec-init-1-vis2.c: New test.
+	* gcc.target/sparc/vec-init-1-vis3.c: New test.
+	* gcc.target/sparc/vec-init-2-vis1.c: New test.
+	* gcc.target/sparc/vec-init-2-vis2.c: New test.
+	* gcc.target/sparc/vec-init-2-vis3.c: New test.
+	* gcc.target/sparc/vec-init-3-vis1.c: New test.
+	* gcc.target/sparc/vec-init-3-vis2.c: New test.
+	* gcc.target/sparc/vec-init-3-vis3.c: New test.
+
 2011-11-05  Joern Rennecke  <joern.rennecke@embecosm.com>
 
 	* gcc.c-torture/execute/ieee/mul-subnormal-single-1.x:
diff --git a/gcc/testsuite/gcc.target/sparc/vec-init-1-vis1.c b/gcc/testsuite/gcc.target/sparc/vec-init-1-vis1.c
new file mode 100644
index 0000000..4202bfa
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/vec-init-1-vis1.c
@@ -0,0 +1,5 @@
+/* { dg-do run } */
+/* { dg-require-effective-target ultrasparc_hw } */
+/* { dg-options "-mcpu=ultrasparc -mvis -O2" } */
+
+#include "vec-init-1.inc"
diff --git a/gcc/testsuite/gcc.target/sparc/vec-init-1-vis2.c b/gcc/testsuite/gcc.target/sparc/vec-init-1-vis2.c
new file mode 100644
index 0000000..a5c2132
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/vec-init-1-vis2.c
@@ -0,0 +1,5 @@
+/* { dg-do run } */
+/* { dg-require-effective-target ultrasparc_vis2_hw } */
+/* { dg-options "-mcpu=ultrasparc3 -O2" } */
+
+#include "vec-init-1.inc"
diff --git a/gcc/testsuite/gcc.target/sparc/vec-init-1-vis3.c b/gcc/testsuite/gcc.target/sparc/vec-init-1-vis3.c
new file mode 100644
index 0000000..ab916e0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/vec-init-1-vis3.c
@@ -0,0 +1,5 @@
+/* { dg-do run } */
+/* { dg-require-effective-target ultrasparc_vis3_hw } */
+/* { dg-options "-mcpu=niagara3 -O2" } */
+
+#include "vec-init-1.inc"
diff --git a/gcc/testsuite/gcc.target/sparc/vec-init-1.inc b/gcc/testsuite/gcc.target/sparc/vec-init-1.inc
new file mode 100644
index 0000000..e27bb6e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/vec-init-1.inc
@@ -0,0 +1,85 @@
+typedef int __v1si __attribute__ ((__vector_size__ (4)));
+typedef int __v2si __attribute__ ((__vector_size__ (8)));
+typedef short __v2hi __attribute__ ((__vector_size__ (4)));
+typedef short __v4hi __attribute__ ((__vector_size__ (8)));
+typedef unsigned char __v4qi __attribute__ ((__vector_size__ (4)));
+typedef unsigned char __v8qi __attribute__ ((__vector_size__ (8)));
+
+extern void abort (void);
+
+static void
+compare64 (void *p, unsigned long long val)
+{
+  if (*(unsigned long long *)p != val)
+    abort();
+}
+
+static void
+compare32 (void *p, unsigned int val)
+{
+  if (*(unsigned int *)p != val)
+    abort();
+}
+
+static void
+test_v8qi (unsigned char x)
+{
+  __v8qi v = { x, x, x, x, x, x, x, x };
+
+  compare64(&v, 0x4444444444444444ULL);
+}
+
+static void
+test_v4qi (unsigned char x)
+{
+  __v4qi v = { x, x, x, x };
+
+  compare32(&v, 0x44444444);
+}
+
+static void
+test_v4hi (unsigned short x)
+{
+  __v4hi v = { x, x, x, x, };
+
+  compare64(&v, 0x3344334433443344ULL);
+}
+
+static void
+test_v2hi (unsigned short x)
+{
+  __v2hi v = { x, x, };
+
+  compare32(&v, 0x33443344);
+}
+
+static void
+test_v2si (unsigned int x)
+{
+  __v2si v = { x, x, };
+
+  compare64(&v, 0x1122334411223344ULL);
+}
+
+static void
+test_v1si (unsigned int x)
+{
+  __v1si v = { x };
+
+  compare32(&v, 0x11223344);
+}
+
+unsigned char x8 = 0x44;
+unsigned short x16 = 0x3344;
+unsigned int x32 = 0x11223344;
+
+int main(void)
+{
+  test_v8qi (x8);
+  test_v4qi (x8);
+  test_v4hi (x16);
+  test_v2hi (x16);
+  test_v2si (x32);
+  test_v1si (x32);
+  return 0;
+}
diff --git a/gcc/testsuite/gcc.target/sparc/vec-init-2-vis1.c b/gcc/testsuite/gcc.target/sparc/vec-init-2-vis1.c
new file mode 100644
index 0000000..efa08fa
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/vec-init-2-vis1.c
@@ -0,0 +1,5 @@
+/* { dg-do run } */
+/* { dg-require-effective-target ultrasparc_hw } */
+/* { dg-options "-mcpu=ultrasparc -mvis -O2" } */
+
+#include "vec-init-2.inc"
diff --git a/gcc/testsuite/gcc.target/sparc/vec-init-2-vis2.c b/gcc/testsuite/gcc.target/sparc/vec-init-2-vis2.c
new file mode 100644
index 0000000..3aa0f51
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/vec-init-2-vis2.c
@@ -0,0 +1,5 @@
+/* { dg-do run } */
+/* { dg-require-effective-target ultrasparc_vis2_hw } */
+/* { dg-options "-mcpu=ultrasparc3 -O2" } */
+
+#include "vec-init-2.inc"
diff --git a/gcc/testsuite/gcc.target/sparc/vec-init-2-vis3.c b/gcc/testsuite/gcc.target/sparc/vec-init-2-vis3.c
new file mode 100644
index 0000000..5f0c658
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/vec-init-2-vis3.c
@@ -0,0 +1,5 @@
+/* { dg-do run } */
+/* { dg-require-effective-target ultrasparc_vis3_hw } */
+/* { dg-options "-mcpu=niagara3 -O2" } */
+
+#include "vec-init-2.inc"
diff --git a/gcc/testsuite/gcc.target/sparc/vec-init-2.inc b/gcc/testsuite/gcc.target/sparc/vec-init-2.inc
new file mode 100644
index 0000000..13685a1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/vec-init-2.inc
@@ -0,0 +1,94 @@
+typedef short __v2hi __attribute__ ((__vector_size__ (4)));
+typedef short __v4hi __attribute__ ((__vector_size__ (8)));
+
+extern void abort (void);
+
+static void
+compare64 (int n, void *p, unsigned long long val)
+{
+  unsigned long long *x = (unsigned long long *) p;
+
+  if (*x != val)
+    abort();
+}
+
+static void
+compare32 (int n, void *p, unsigned int val)
+{
+  unsigned int *x = (unsigned int *) p;
+  if (*x != val)
+    abort();
+}
+
+#define V2HI_TEST(N, elt0, elt1) \
+static void \
+test_v2hi_##N (unsigned short x, unsigned short y) \
+{ \
+  __v2hi v = { (elt0), (elt1) }; \
+  compare32(N, &v, ((int)(elt0) << 16) | (elt1)); \
+}
+
+V2HI_TEST(1, x, y)
+V2HI_TEST(2, y, x)
+V2HI_TEST(3, x, x)
+V2HI_TEST(4, x, 0)
+V2HI_TEST(5, 0, x)
+V2HI_TEST(6, y, 1)
+V2HI_TEST(7, 1, y)
+V2HI_TEST(8, 2, 3)
+V2HI_TEST(9, 0x400, x)
+V2HI_TEST(10, y, 0x8000)
+
+#define V4HI_TEST(N, elt0, elt1, elt2, elt3)	\
+static void \
+test_v4hi_##N (unsigned short a, unsigned short b, unsigned short c, unsigned short d) \
+{ \
+  __v4hi v = { (elt0), (elt1), (elt2), (elt3) }; \
+  compare64(N, &v, \
+            ((long long)(elt0) << 48) | \
+	    ((long long)(elt1) << 32) | \
+            ((long long)(elt2) << 16) | \
+            ((long long)(elt3))); \
+}
+
+V4HI_TEST(1, a, a, a, a)
+V4HI_TEST(2, a, b, c, d)
+V4HI_TEST(3, a, a, b, b)
+V4HI_TEST(4, d, c, b, a)
+V4HI_TEST(5, a, 0, 0, 0)
+V4HI_TEST(6, a, 0, b, 0)
+V4HI_TEST(7, c, 5, 5, 5)
+V4HI_TEST(8, d, 6, a, 6)
+V4HI_TEST(9, 0x200, 0x300, 0x500, 0x8800)
+V4HI_TEST(10, 0x600, a, a, a)
+
+unsigned short a16 = 0x3344;
+unsigned short b16 = 0x5566;
+unsigned short c16 = 0x7788;
+unsigned short d16 = 0x9911;
+
+int main(void)
+{
+  test_v2hi_1 (a16, b16);
+  test_v2hi_2 (a16, b16);
+  test_v2hi_3 (a16, b16);
+  test_v2hi_4 (a16, b16);
+  test_v2hi_5 (a16, b16);
+  test_v2hi_6 (a16, b16);
+  test_v2hi_7 (a16, b16);
+  test_v2hi_8 (a16, b16);
+  test_v2hi_9 (a16, b16);
+  test_v2hi_10 (a16, b16);
+
+  test_v4hi_1 (a16, b16, c16, d16);
+  test_v4hi_2 (a16, b16, c16, d16);
+  test_v4hi_3 (a16, b16, c16, d16);
+  test_v4hi_4 (a16, b16, c16, d16);
+  test_v4hi_5 (a16, b16, c16, d16);
+  test_v4hi_6 (a16, b16, c16, d16);
+  test_v4hi_7 (a16, b16, c16, d16);
+  test_v4hi_8 (a16, b16, c16, d16);
+  test_v4hi_9 (a16, b16, c16, d16);
+  test_v4hi_10 (a16, b16, c16, d16);
+  return 0;
+}
diff --git a/gcc/testsuite/gcc.target/sparc/vec-init-3-vis1.c b/gcc/testsuite/gcc.target/sparc/vec-init-3-vis1.c
new file mode 100644
index 0000000..6c82610
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/vec-init-3-vis1.c
@@ -0,0 +1,5 @@
+/* { dg-do run } */
+/* { dg-require-effective-target ultrasparc_hw } */
+/* { dg-options "-mcpu=ultrasparc -mvis -O2" } */
+
+#include "vec-init-3.inc"
diff --git a/gcc/testsuite/gcc.target/sparc/vec-init-3-vis2.c b/gcc/testsuite/gcc.target/sparc/vec-init-3-vis2.c
new file mode 100644
index 0000000..6424e2f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/vec-init-3-vis2.c
@@ -0,0 +1,5 @@
+/* { dg-do run } */
+/* { dg-require-effective-target ultrasparc_vis2_hw } */
+/* { dg-options "-mcpu=ultrasparc3 -O2" } */
+
+#include "vec-init-3.inc"
diff --git a/gcc/testsuite/gcc.target/sparc/vec-init-3-vis3.c b/gcc/testsuite/gcc.target/sparc/vec-init-3-vis3.c
new file mode 100644
index 0000000..226c108
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/vec-init-3-vis3.c
@@ -0,0 +1,5 @@
+/* { dg-do run } */
+/* { dg-require-effective-target ultrasparc_vis3_hw } */
+/* { dg-options "-mcpu=niagara3 -O2" } */
+
+#include "vec-init-3.inc"
diff --git a/gcc/testsuite/gcc.target/sparc/vec-init-3.inc b/gcc/testsuite/gcc.target/sparc/vec-init-3.inc
new file mode 100644
index 0000000..8a3db26
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/vec-init-3.inc
@@ -0,0 +1,105 @@
+typedef unsigned char __v4qi __attribute__ ((__vector_size__ (4)));
+typedef unsigned char __v8qi __attribute__ ((__vector_size__ (8)));
+
+extern void abort (void);
+
+static void
+compare64 (int n, void *p, unsigned long long val)
+{
+  unsigned long long *x = (unsigned long long *) p;
+
+  if (*x != val)
+    abort();
+}
+
+static void
+compare32 (int n, void *p, unsigned int val)
+{
+  unsigned int *x = (unsigned int *) p;
+  if (*x != val)
+    abort();
+}
+
+#define V4QI_TEST(N, elt0, elt1, elt2, elt3)	\
+static void \
+test_v4qi_##N (unsigned char a, unsigned char b, unsigned char c, unsigned char d) \
+{ \
+  __v4qi v = { (elt0), (elt1), (elt2), (elt3) };	\
+  compare32(N, &v, ((int)(elt0) << 24) | \
+	           ((int)(elt1) << 16) | \
+	           ((int)(elt2) << 8) | ((int)(elt3)));	\
+}
+
+V4QI_TEST(1, a, a, a, a)
+V4QI_TEST(2, b, b, b, b)
+V4QI_TEST(3, a, b, c, d)
+V4QI_TEST(4, d, c, b, a)
+V4QI_TEST(5, a, 0, 0, 0)
+V4QI_TEST(6, b, 1, 1, b)
+V4QI_TEST(7, c, 5, d, 5)
+V4QI_TEST(8, 0x20, 0x30, b, a)
+V4QI_TEST(9, 0x40, 0x50, 0x60, 0x70)
+V4QI_TEST(10, 0x40, 0x50, 0x60, c)
+
+#define V8QI_TEST(N, elt0, elt1, elt2, elt3, elt4, elt5, elt6, elt7) \
+static void \
+test_v8qi_##N (unsigned char a, unsigned char b, unsigned char c, unsigned char d, \
+               unsigned char e, unsigned char f, unsigned char g, unsigned char h) \
+{ \
+  __v8qi v = { (elt0), (elt1), (elt2), (elt3), \
+	       (elt4), (elt5), (elt6), (elt7) }; \
+  compare64(N, &v, ((long long)(elt0) << 56) | \
+	           ((long long)(elt1) << 48) | \
+	           ((long long)(elt2) << 40) | \
+	           ((long long)(elt3) << 32) | \
+	           ((long long)(elt4) << 24) | \
+	           ((long long)(elt5) << 16) | \
+	           ((long long)(elt6) << 8) | \
+	           ((long long)(elt7) << 0)); \
+}
+
+V8QI_TEST(1, a, a, a, a, a, a, a, a)
+V8QI_TEST(2, a, b, c, d, e, f, g, h)
+V8QI_TEST(3, h, g, f, e, d, c, b, a)
+V8QI_TEST(4, a, b, a, b, a, b, a, b)
+V8QI_TEST(5, c, b, c, b, c, b, c, a)
+V8QI_TEST(6, a, 0, 0, 0, 0, 0, 0, 0)
+V8QI_TEST(7, b, 1, b, 1, b, 1, b, 1)
+V8QI_TEST(8, c, d, 0x20, a, 0x21, b, 0x23, c)
+V8QI_TEST(9, 1, 2, 3, 4, 5, 6, 7, 8)
+V8QI_TEST(10, a, a, b, b, c, c, d, d)
+
+unsigned char a8 = 0x33;
+unsigned char b8 = 0x55;
+unsigned char c8 = 0x77;
+unsigned char d8 = 0x99;
+unsigned char e8 = 0x11;
+unsigned char f8 = 0x22;
+unsigned char g8 = 0x44;
+unsigned char h8 = 0x66;
+
+int main(void)
+{
+  test_v4qi_1 (a8, b8, c8, d8);
+  test_v4qi_2 (a8, b8, c8, d8);
+  test_v4qi_3 (a8, b8, c8, d8);
+  test_v4qi_4 (a8, b8, c8, d8);
+  test_v4qi_5 (a8, b8, c8, d8);
+  test_v4qi_6 (a8, b8, c8, d8);
+  test_v4qi_7 (a8, b8, c8, d8);
+  test_v4qi_8 (a8, b8, c8, d8);
+  test_v4qi_9 (a8, b8, c8, d8);
+  test_v4qi_10 (a8, b8, c8, d8);
+
+  test_v8qi_1 (a8, b8, c8, d8, e8, f8, g8, h8);
+  test_v8qi_2 (a8, b8, c8, d8, e8, f8, g8, h8);
+  test_v8qi_3 (a8, b8, c8, d8, e8, f8, g8, h8);
+  test_v8qi_4 (a8, b8, c8, d8, e8, f8, g8, h8);
+  test_v8qi_5 (a8, b8, c8, d8, e8, f8, g8, h8);
+  test_v8qi_6 (a8, b8, c8, d8, e8, f8, g8, h8);
+  test_v8qi_7 (a8, b8, c8, d8, e8, f8, g8, h8);
+  test_v8qi_8 (a8, b8, c8, d8, e8, f8, g8, h8);
+  test_v8qi_9 (a8, b8, c8, d8, e8, f8, g8, h8);
+  test_v8qi_10 (a8, b8, c8, d8, e8, f8, g8, h8);
+  return 0;
+}
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index f19c3c5..1ba71f0 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -2449,6 +2449,24 @@ proc check_effective_target_ultrasparc_hw { } {
     } "-mcpu=ultrasparc"]
 }
 
+# Return 1 if the test environment supports executing UltraSPARC VIS2
+# instructions.  We check this by attempting: "bmask %g0, %g0, %g0"
+
+proc check_effective_target_ultrasparc_vis2_hw { } {
+    return [check_runtime ultrasparc_hw {
+	int main() { __asm__(".word 0x81b00320"); return 0; }
+    } "-mcpu=ultrasparc3"]
+}
+
+# Return 1 if the test environment supports executing UltraSPARC VIS3
+# instructions.  We check this by attempting: "addxc %g0, %g0, %g0"
+
+proc check_effective_target_ultrasparc_vis3_hw { } {
+    return [check_runtime ultrasparc_hw {
+	int main() { __asm__(".word 0x81b00220"); return 0; }
+    } "-mcpu=niagara3"]
+}
+
 # Return 1 if the target supports hardware vector shift operation.
 
 proc check_effective_target_vect_shift { } {