8.2.0

1 files changed, 0 insertions, 180 deletions

diff --git a/bz85638.patch b/bz85638.patch
deleted file mode 100644
index 9ed00e836d3c..000000000000
--- a/bz85638.patch
+++ /dev/null
@@ -1,180 +0,0 @@
---- gcc/bb-reorder.c	(revision 259642)
-+++ gcc/bb-reorder.c	(working copy)
-@@ -117,6 +117,7 @@ 
- #include "fibonacci_heap.h"
- #include "stringpool.h"
- #include "attribs.h"
-+#include "common/common-target.h"
- 
- /* The number of rounds.  In most cases there will only be 4 rounds, but
-    when partitioning hot and cold basic blocks into separate sections of
-@@ -1408,17 +1409,95 @@ get_uncond_jump_length (void)
-   return length;
- }
- 
-+/* Create a forwarder block to OLD_BB starting with NEW_LABEL and in the
-+   other partition wrt OLD_BB.  */
-+
-+static basic_block
-+create_forwarder_block (rtx_code_label *new_label, basic_block old_bb)
-+{
-+  /* Put the new label and a jump in the new basic block.  */
-+  rtx_insn *label = emit_label (new_label);
-+  rtx_code_label *old_label = block_label (old_bb);
-+  rtx_insn *jump = emit_jump_insn (targetm.gen_jump (old_label));
-+  JUMP_LABEL (jump) = old_label;
-+
-+  /* Create the new basic block and put it in last position.  */
-+  basic_block last_bb = EXIT_BLOCK_PTR_FOR_FN (cfun)->prev_bb;
-+  basic_block new_bb = create_basic_block (label, jump, last_bb);
-+  new_bb->aux = last_bb->aux;
-+  new_bb->count = old_bb->count;
-+  last_bb->aux = new_bb;
-+
-+  emit_barrier_after_bb (new_bb);
-+
-+  make_single_succ_edge (new_bb, old_bb, 0);
-+
-+  /* Make sure the new basic block is in the other partition.  */
-+  unsigned new_partition = BB_PARTITION (old_bb);
-+  new_partition ^= BB_HOT_PARTITION | BB_COLD_PARTITION;
-+  BB_SET_PARTITION (new_bb, new_partition);
-+
-+  return new_bb;
-+}
-+
-+/* The common landing pad in block OLD_BB has edges from both partitions.
-+   Add a new landing pad that will just jump to the old one and split the
-+   edges so that no EH edge crosses partitions.  */
-+
-+static void
-+sjlj_fix_up_crossing_landing_pad (basic_block old_bb)
-+{
-+  const unsigned lp_len = cfun->eh->lp_array->length ();
-+  edge_iterator ei;
-+  edge e;
-+
-+  /* Generate the new common landing-pad label.  */
-+  rtx_code_label *new_label = gen_label_rtx ();
-+  LABEL_PRESERVE_P (new_label) = 1;
-+
-+  /* Create the forwarder block.  */
-+  basic_block new_bb = create_forwarder_block (new_label, old_bb);
-+
-+  /* Create the map from old to new lp index and initialize it.  */
-+  unsigned *index_map = (unsigned *) alloca (lp_len * sizeof (unsigned));
-+  memset (index_map, 0, lp_len * sizeof (unsigned));
-+
-+  /* Fix up the edges.  */
-+  for (ei = ei_start (old_bb->preds); (e = ei_safe_edge (ei)) != NULL; )
-+    if (e->src != new_bb && BB_PARTITION (e->src) == BB_PARTITION (new_bb))
-+      {
-+	rtx_insn *insn = BB_END (e->src);
-+	rtx note = find_reg_note (insn, REG_EH_REGION, NULL_RTX);
-+
-+	gcc_assert (note != NULL);
-+	const unsigned old_index = INTVAL (XEXP (note, 0));
-+
-+	/* Generate the new landing-pad structure.  */
-+	if (index_map[old_index] == 0)
-+	  {
-+	    eh_landing_pad old_lp = (*cfun->eh->lp_array)[old_index];
-+	    eh_landing_pad new_lp = gen_eh_landing_pad (old_lp->region);
-+	    new_lp->post_landing_pad = old_lp->post_landing_pad;
-+	    new_lp->landing_pad = new_label;
-+	    index_map[old_index] = new_lp->index;
-+	  }
-+	XEXP (note, 0) = GEN_INT (index_map[old_index]);
-+
-+	/* Adjust the edge to the new destination.  */
-+	redirect_edge_succ (e, new_bb);
-+      }
-+    else
-+      ei_next (&ei);
-+}
-+
- /* The landing pad OLD_LP, in block OLD_BB, has edges from both partitions.
-    Add a new landing pad that will just jump to the old one and split the
-    edges so that no EH edge crosses partitions.  */
- 
- static void
--fix_up_crossing_landing_pad (eh_landing_pad old_lp, basic_block old_bb)
-+dw2_fix_up_crossing_landing_pad (eh_landing_pad old_lp, basic_block old_bb)
- {
-   eh_landing_pad new_lp;
--  basic_block new_bb, last_bb;
--  rtx_insn *jump;
--  unsigned new_partition;
-   edge_iterator ei;
-   edge e;
- 
-@@ -1428,32 +1507,12 @@ fix_up_crossing_landing_pad (eh_landing_
-   new_lp->landing_pad = gen_label_rtx ();
-   LABEL_PRESERVE_P (new_lp->landing_pad) = 1;
- 
--  /* Put appropriate instructions in new bb.  */
--  rtx_code_label *new_label = emit_label (new_lp->landing_pad);
--
--  rtx_code_label *old_label = block_label (old_bb);
--  jump = emit_jump_insn (targetm.gen_jump (old_label));
--  JUMP_LABEL (jump) = old_label;
--
--  /* Create new basic block to be dest for lp.  */
--  last_bb = EXIT_BLOCK_PTR_FOR_FN (cfun)->prev_bb;
--  new_bb = create_basic_block (new_label, jump, last_bb);
--  new_bb->aux = last_bb->aux;
--  new_bb->count = old_bb->count;
--  last_bb->aux = new_bb;
--
--  emit_barrier_after_bb (new_bb);
--
--  make_single_succ_edge (new_bb, old_bb, 0);
--
--  /* Make sure new bb is in the other partition.  */
--  new_partition = BB_PARTITION (old_bb);
--  new_partition ^= BB_HOT_PARTITION | BB_COLD_PARTITION;
--  BB_SET_PARTITION (new_bb, new_partition);
-+  /* Create the forwarder block.  */
-+  basic_block new_bb = create_forwarder_block (new_lp->landing_pad, old_bb);
- 
-   /* Fix up the edges.  */
-   for (ei = ei_start (old_bb->preds); (e = ei_safe_edge (ei)) != NULL; )
--    if (e->src != new_bb && BB_PARTITION (e->src) == new_partition)
-+    if (e->src != new_bb && BB_PARTITION (e->src) == BB_PARTITION (new_bb))
-       {
- 	rtx_insn *insn = BB_END (e->src);
- 	rtx note = find_reg_note (insn, REG_EH_REGION, NULL_RTX);
-@@ -1651,9 +1710,11 @@ find_rarely_executed_basic_blocks_and_cr
- 
-   /* The format of .gcc_except_table does not allow landing pads to
-      be in a different partition as the throw.  Fix this by either
--     moving or duplicating the landing pads.  */
-+     moving the landing pads or inserting forwarder landing pads.  */
-   if (cfun->eh->lp_array)
-     {
-+      const bool sjlj
-+	= (targetm_common.except_unwind_info (&global_options) == UI_SJLJ);
-       unsigned i;
-       eh_landing_pad lp;
- 
-@@ -1685,13 +1746,18 @@ find_rarely_executed_basic_blocks_and_cr
- 	      which ^= BB_HOT_PARTITION | BB_COLD_PARTITION;
- 	      BB_SET_PARTITION (bb, which);
- 	    }
-+	  else if (sjlj)
-+	    sjlj_fix_up_crossing_landing_pad (bb);
- 	  else
--	    fix_up_crossing_landing_pad (lp, bb);
-+	    dw2_fix_up_crossing_landing_pad (lp, bb);
-+
-+	  /* There is a single, common landing pad in SJLJ mode.  */
-+	  if (sjlj)
-+	    break;
- 	}
-     }
- 
-   /* Mark every edge that crosses between sections.  */
--
-   FOR_EACH_BB_FN (bb, cfun)
-     FOR_EACH_EDGE (e, ei, bb->succs)
-       {