[gcc(refs/users/wschmidt/heads/builtins4)] rs6000: More progress on builtin debug support

[William Schmidt <wschmidt@gcc.gnu.org>]

https://gcc.gnu.org/g:1708b29318eb8fdebad72b3920e9220d25f8e326

commit 1708b29318eb8fdebad72b3920e9220d25f8e326
Author: Bill Schmidt <wschmidt@linux.ibm.com>
Date:   Mon Nov 2 11:40:54 2020 -0500

    rs6000: More progress on builtin debug support
    
    2020-11-02  Bill Schmidt  <wschmidt@linux.ibm.com>
    
            * config/rs6000/rs6000-call.c (rs6000_init_builtins): Dump
            autoinitialized built-ins.
            (altivec_init_builtins): Dump __builtin_altivec_mask_for_load.

Diff:
---
 gcc/config/rs6000/rs6000-call.c | 65 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)

diff --git a/gcc/config/rs6000/rs6000-call.c b/gcc/config/rs6000/rs6000-call.c
index 16f209dcd95..7cd2138cdb8 100644
--- a/gcc/config/rs6000/rs6000-call.c
+++ b/gcc/config/rs6000/rs6000-call.c
@@ -14348,6 +14348,65 @@ rs6000_init_builtins (void)
   /* Execute the autogenerated initialization code for builtins.  */
   rs6000_autoinit_builtins ();
 
+  if (TARGET_DEBUG_BUILTIN)
+    {
+      fprintf (stderr, "\nAutogenerated built-in functions:\n\n");
+      for (int i = 1; i < (int) RS6000_BIF_MAX; i++)
+	{
+	  bif_enable e = rs6000_builtin_info_x[i].enable;
+	  if (e == ENB_P5 && !TARGET_POPCNTB)
+	    continue;
+	  if (e == ENB_P6 && !TARGET_CMPB)
+	    continue;
+	  if (e == ENB_ALTIVEC && !TARGET_ALTIVEC)
+	    continue;
+	  if (e == ENB_VSX && !TARGET_VSX)
+	    continue;
+	  if (e == ENB_P7 && !TARGET_POPCNTD)
+	    continue;
+	  if (e == ENB_P7_64 && (!TARGET_POPCNTD || !TARGET_POWERPC64))
+	    continue;
+	  if (e == ENB_P8 && !TARGET_DIRECT_MOVE)
+	    continue;
+	  if (e == ENB_P8V && !TARGET_P8_VECTOR)
+	    continue;
+	  if (e == ENB_P9 && !TARGET_MODULO)
+	    continue;
+	  if (e == ENB_P9_64 && (!TARGET_MODULO || !TARGET_POWERPC64))
+	    continue;
+	  if (e == ENB_P9V && !TARGET_P9_VECTOR)
+	    continue;
+	  if (e == ENB_IEEE128_HW && !TARGET_FLOAT128_HW)
+	    continue;
+	  if (e == ENB_DFP && !TARGET_DFP)
+	    continue;
+	  if (e == ENB_CRYPTO && !TARGET_CRYPTO)
+	    continue;
+	  if (e == ENB_HTM && !TARGET_HTM)
+	    continue;
+	  if (e == ENB_P10 && !TARGET_POWER10)
+	    continue;
+	  if (e == ENB_MMA && !TARGET_MMA)
+	    continue;
+	  tree fntype = rs6000_builtin_info_x[i].fntype;
+	  tree t = TREE_TYPE (fntype);
+	  fprintf (stderr, "%s %s (", rs6000_debug_type (t),
+		   rs6000_builtin_info_x[i].bifname);
+	  t = TYPE_ARG_TYPES (fntype);
+	  while (t && TREE_VALUE (t) != void_type_node)
+	    {
+	      fprintf (stderr, "%s",
+		       rs6000_debug_type (TREE_VALUE (t)));
+	      t = TREE_CHAIN (t);
+	      if (t && TREE_VALUE (t) != void_type_node)
+		fprintf (stderr, ", ");
+	    }
+	  fprintf (stderr, "); %s [%4d]\n",
+		   rs6000_builtin_info_x[i].attr_string, (int) i);
+	}
+      fprintf (stderr, "\nEnd autogenerated built-in functions.\n\n\n");
+     }
+
   if (!new_builtins_are_live)
     {
       /* Create Altivec, VSX and MMA builtins on machines with at least the
@@ -14979,6 +15038,12 @@ altivec_init_builtins (void)
 			       ALTIVEC_BUILTIN_MASK_FOR_LOAD,
 			       BUILT_IN_MD, NULL, NULL_TREE);
   TREE_READONLY (decl) = 1;
+  if (TARGET_DEBUG_BUILTIN)
+    fprintf (stderr, "%s __builtin_altivec_mask_for_load (%s); [%4d]\n",
+	     rs6000_debug_type (TREE_TYPE (v16qi_ftype_pcvoid)),
+	     rs6000_debug_type (TREE_VALUE
+				(TYPE_ARG_TYPES (v16qi_ftype_pcvoid))),
+	     (int) ALTIVEC_BUILTIN_MASK_FOR_LOAD);
   /* Record the decl. Will be used by rs6000_builtin_mask_for_load.  */
   altivec_builtin_mask_for_load = decl;