git-svn-id: https://svn.pengutronix.de/svn/oselas/toolchain/trunks/OSELAS.Toolchain-trunk@7239 f8d472c7-5700-0410-ac5a-87979cec3adf

1 files changed, 0 insertions, 164 deletions

diff --git a/patches/gcc-TODO/PR27363.diff b/patches/gcc-TODO/PR27363.diff
deleted file mode 100644
index 98460ad..0000000
--- a/patches/gcc-TODO/PR27363.diff
+++ /dev/null
@@ -1,164 +0,0 @@
-#
-# Submitted-By: Robert Schwebel, 2006-07-20
-# Committed-By: Robert Schwebel
-#
-# Error:
-#
-# The following construction is broken:
-#
-# struct = *some_other_struct;
-#
-# For details see bugzilla entry below.
-#
-# Description:
-#
-# This is a patch against gcc-trunk which fixes the following bug from
-# gcc bugzilla:
-#
-# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27363
-#
-# The patch was taken from upstream cvs for trunk and has to be adapted
-# to random gcc versions. It is at least necessary until gcc 4.1.0
-#
-# State:
-#
-# fixed in upstream cvs
-#
-
---- trunk/gcc/ChangeLog	2006/07/20 08:34:53	115613
-+++ trunk/gcc/ChangeLog	2006/07/20 13:57:31	115614
-@@ -1,3 +1,9 @@
-+2006-07-20  Paul Brook  <paul@codesourcery.com>
-+
-+	PR 27363
-+	* cse.c (cse_insn): Add destination addresses to hash table. Check if
-+	they are invalidated by this instruction.
-+
- 2006-07-21  Danny Smith  <dannysmith@users.sourceforge.net>
- 
- 	PR target/28427
---- trunk/gcc/cse.c	2006/07/20 08:34:53	115613
-+++ trunk/gcc/cse.c	2006/07/20 13:57:31	115614
-@@ -4739,6 +4739,8 @@
-   unsigned src_const_hash;
-   /* Table entry for constant equivalent for SET_SRC, if any.  */
-   struct table_elt *src_const_elt;
-+  /* Table entry for the destination address.  */
-+  struct table_elt *dest_addr_elt;
- };
- 
- static void
-@@ -5970,6 +5972,40 @@
- 	 so that the destination goes into that class.  */
-       sets[i].src_elt = src_eqv_elt;
- 
-+  /* Record destination addresses in the hash table.  This allows us to
-+     check if they are invalidated by other sets.  */
-+  for (i = 0; i < n_sets; i++)
-+    {
-+      if (sets[i].rtl)
-+	{
-+	  rtx x = sets[i].inner_dest;
-+	  struct table_elt *elt;
-+	  enum machine_mode mode;
-+	  unsigned hash;
-+
-+	  if (MEM_P (x))
-+	    {
-+	      x = XEXP (x, 0);
-+	      mode = GET_MODE (x);
-+	      hash = HASH (x, mode);
-+	      elt = lookup (x, hash, mode);
-+	      if (!elt)
-+		{
-+		  if (insert_regs (x, NULL, 0))
-+		    {
-+		      rehash_using_reg (x);
-+		      hash = HASH (x, mode);
-+		    }
-+		  elt = insert (x, NULL, hash, mode);
-+		}
-+
-+	      sets[i].dest_addr_elt = elt;
-+	    }
-+	  else
-+	    sets[i].dest_addr_elt = NULL;
-+	}
-+    }
-+
-   invalidate_from_clobbers (x);
- 
-   /* Some registers are invalidated by subroutine calls.  Memory is
-@@ -6062,12 +6098,20 @@
-     }
- 
-   /* We may have just removed some of the src_elt's from the hash table.
--     So replace each one with the current head of the same class.  */
-+     So replace each one with the current head of the same class.
-+     Also check if destination addresses have been removed.  */
- 
-   for (i = 0; i < n_sets; i++)
-     if (sets[i].rtl)
-       {
--	if (sets[i].src_elt && sets[i].src_elt->first_same_value == 0)
-+	if (sets[i].dest_addr_elt
-+	    && sets[i].dest_addr_elt->first_same_value == 0)
-+	  {
-+	    /* The elt was removed, which means this destination s not
-+	       valid after this instruction.  */
-+	    sets[i].rtl = NULL_RTX;
-+	  }
-+	else if (sets[i].src_elt && sets[i].src_elt->first_same_value == 0)
- 	  /* If elt was removed, find current head of same class,
- 	     or 0 if nothing remains of that class.  */
- 	  {
-/* PR27363.  CSE was breaking on the arm store multiple insn used for
-   structure copies.  */
-/* { dg-do run } */
-/* { dg-options "-Os" } */
-extern void abort (void);
-
-struct snd_mask {
-    unsigned int bits[6];
-};
-
-static int __attribute__((noinline))
-snd_mask_refine(struct snd_mask *mask)
-{
-  struct snd_mask old;
-
-  old = *mask;
-  if (mask->bits[0]==0 && mask->bits[1]==0)
-    return 1;
-
-  return old.bits[0] != mask->bits[0];
-}
-
-int main(int argc, char *argv[])
-{
-  struct snd_mask mask;
-
-
-  mask.bits[0] = 23;
-  mask.bits[1] = 42;
-  mask.bits[2] = 0;
-  mask.bits[3] = 0;
-  mask.bits[4] = 0; 
-  mask.bits[5] = 0;
-
-
-  if (snd_mask_refine(&mask))
-    abort();
-  return 0;
-}
---- trunk/gcc/testsuite/ChangeLog	2006/07/20 08:34:53	115613
-+++ trunk/gcc/testsuite/ChangeLog	2006/07/20 13:57:31	115614
-@@ -1,3 +1,8 @@
-+2006-07-20  Paul Brook  <paul@codesourcery.com>
-+
-+	PR 27363
-+	* gcc.dg/pr27363.c: New test.
-+
- 2006-07-19  Mark Mitchell  <mark@codesourcery.com>
- 
- 	PR c++/28338