From: Vladimir Makarov <vmakarov@redhat.com>
Date: Tue, 23 Oct 2012 20:10:27 +0000 (+0000)
Subject: lra-constraints.c (update_ebb_live_info): Process empty blocks.
X-Git-Tag: releases/gcc-4.8.0~2594
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=44b94bdb07afe93c07763c89e8b8ed025fbbd200;p=thirdparty%2Fgcc.git

lra-constraints.c (update_ebb_live_info): Process empty blocks.

2012-10-23  Vladimir Makarov  <vmakarov@redhat.com>

	* lra-constraints.c (update_ebb_live_info): Process empty blocks.

From-SVN: r192743
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 66f303483125..89578c39be2c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2012-10-23  Vladimir Makarov  <vmakarov@redhat.com>
+
+	* lra-constraints.c (update_ebb_live_info): Process empty blocks.
+
 2012-10-23  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	* expmed.c (store_split_bit_field): Update the calls to
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c
index ec48e9ea02cd..32ecfee7659f 100644
--- a/gcc/lra-constraints.c
+++ b/gcc/lra-constraints.c
@@ -4300,8 +4300,6 @@ update_ebb_live_info (rtx head, rtx tail)
        curr_insn = prev_insn)
     {
       prev_insn = PREV_INSN (curr_insn);
-      if (! INSN_P (curr_insn))
-	continue;
       curr_bb = BLOCK_FOR_INSN (curr_insn);
       if (curr_bb != prev_bb)
 	{
@@ -4336,7 +4334,7 @@ update_ebb_live_info (rtx head, rtx tail)
 	  prev_bb = curr_bb;
 	  bitmap_and (&live_regs, &check_only_regs, df_get_live_out (curr_bb));
 	}
-      if (DEBUG_INSN_P (curr_insn))
+      if (! NONDEBUG_INSN_P (curr_insn))
 	continue;
       curr_id = lra_get_insn_recog_data (curr_insn);
       remove_p = false;