[gcc(refs/users/wschmidt/heads/builtins8)] rs6000: Parsing built-in input file, part 3 of 3

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

https://gcc.gnu.org/g:4a7128be9fb0b1e0eeaf388ac83573d22944a4d3

commit 4a7128be9fb0b1e0eeaf388ac83573d22944a4d3
Author: Bill Schmidt <wschmidt@linux.ibm.com>
Date:   Wed Mar 3 15:10:55 2021 -0600

    rs6000: Parsing built-in input file, part 3 of 3
    
    2021-03-03  Bill Schmidt  <wschmidt@linux.ibm.com>
    
    gcc/
            * config/rs6000/rs6000-gen-builtins.c (parse_bif_attrs):
            Implement.

Diff:
---
 gcc/config/rs6000/rs6000-gen-builtins.c | 96 +++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)

diff --git a/gcc/config/rs6000/rs6000-gen-builtins.c b/gcc/config/rs6000/rs6000-gen-builtins.c
index b1ee194b69b..49c577e4825 100644
--- a/gcc/config/rs6000/rs6000-gen-builtins.c
+++ b/gcc/config/rs6000/rs6000-gen-builtins.c
@@ -1178,6 +1178,102 @@ base = %d, restr = %d, val1 = %d, val2 = %d, pos = %d.\n",
 static parse_codes
 parse_bif_attrs (attrinfo *attrptr)
 {
+  consume_whitespace ();
+  if (linebuf[pos] != '{')
+    {
+      (*diag) ("missing attribute set at column %d.\n", pos + 1);
+      return PC_PARSEFAIL;
+    }
+  safe_inc_pos ();
+
+  memset (attrptr, 0, sizeof (*attrptr));
+  char *attrname = NULL;
+
+  do {
+    consume_whitespace ();
+    int oldpos = pos;
+    attrname = match_identifier ();
+    if (attrname)
+      {
+	if (!strcmp (attrname, "init"))
+	  attrptr->isinit = 1;
+	else if (!strcmp (attrname, "set"))
+	  attrptr->isset = 1;
+	else if (!strcmp (attrname, "extract"))
+	  attrptr->isextract = 1;
+	else if (!strcmp (attrname, "nosoft"))
+	  attrptr->isnosoft = 1;
+	else if (!strcmp (attrname, "ldvec"))
+	  attrptr->isldvec = 1;
+	else if (!strcmp (attrname, "stvec"))
+	  attrptr->isstvec = 1;
+	else if (!strcmp (attrname, "reve"))
+	  attrptr->isreve = 1;
+	else if (!strcmp (attrname, "pred"))
+	  attrptr->ispred = 1;
+	else if (!strcmp (attrname, "htm"))
+	  attrptr->ishtm = 1;
+	else if (!strcmp (attrname, "htmspr"))
+	  attrptr->ishtmspr = 1;
+	else if (!strcmp (attrname, "htmcr"))
+	  attrptr->ishtmcr = 1;
+	else if (!strcmp (attrname, "mma"))
+	  attrptr->ismma = 1;
+	else if (!strcmp (attrname, "quad"))
+	  attrptr->isquad = 1;
+	else if (!strcmp (attrname, "pair"))
+	  attrptr->ispair = 1;
+	else if (!strcmp (attrname, "no32bit"))
+	  attrptr->isno32bit = 1;
+	else if (!strcmp (attrname, "cpu"))
+	  attrptr->iscpu = 1;
+	else if (!strcmp (attrname, "ldstmask"))
+	  attrptr->isldstmask = 1;
+	else if (!strcmp (attrname, "lxvrse"))
+	  attrptr->islxvrse = 1;
+	else if (!strcmp (attrname, "lxvrze"))
+	  attrptr->islxvrze = 1;
+	else
+	  {
+	    (*diag) ("unknown attribute at column %d.\n", oldpos + 1);
+	    return PC_PARSEFAIL;
+	  }
+
+	consume_whitespace ();
+	if (linebuf[pos] == ',')
+	  safe_inc_pos ();
+	else if (linebuf[pos] != '}')
+	  {
+	    (*diag) ("arg not followed by ',' or '}' at column %d.\n",
+		     pos + 1);
+	    return PC_PARSEFAIL;
+	  }
+      }
+    else
+      {
+	pos = oldpos;
+	if (linebuf[pos] != '}')
+	  {
+	    (*diag) ("badly terminated attr set at column %d.\n", pos + 1);
+	    return PC_PARSEFAIL;
+	  }
+	safe_inc_pos ();
+      }
+  } while (attrname);
+
+#ifdef DEBUG
+  (*diag) ("attribute set: init = %d, set = %d, extract = %d, \
+nosoft = %d, ldvec = %d, stvec = %d, reve = %d, pred = %d, htm = %d, \
+htmspr = %d, htmcr = %d, mma = %d, quad = %d, pair = %d, no32bit = %d, \
+cpu = %d, ldstmask = %d, lxvrse = %d, lxvrze = %d.\n",
+	   attrptr->isinit, attrptr->isset, attrptr->isextract,
+	   attrptr->isnosoft, attrptr->isldvec, attrptr->isstvec,
+	   attrptr->isreve, attrptr->ispred, attrptr->ishtm, attrptr->ishtmspr,
+	   attrptr->ishtmcr, attrptr->ismma, attrptr->isquad, attrptr->ispair,
+	   attrptr->isno32bit, attrptr->iscpu, attrptr->isldstmask,
+	   attrptr->islxvrse, attrptr->islxvrze);
+#endif
+
   return PC_OK;
 }