From: J"orn Rennecke <amylaar@cygnus.co.uk>
Date: Thu, 11 Mar 1999 12:44:27 +0000 (+0000)
Subject: reload.1c (delete_address_reloads_1): Check for reloads of CURRENT_INSN even if it... 
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3900dc09bc97e0b8a1dd4653d85072d825a1318f;p=platform%2Fupstream%2Fgcc.git

reload.1c (delete_address_reloads_1): Check for reloads of CURRENT_INSN even if it sets DST.

	* reload.1c (delete_address_reloads_1):  Check for reloads of
	CURRENT_INSN even if it sets DST.

From-SVN: r25701
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4e45036..1b1aa77 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Thu Mar 11 20:37:59 1999  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* reload.1c (delete_address_reloads_1):  Check for reloads of
+	CURRENT_INSN even if it sets DST.
+
 Thu Mar 11 10:29:50 1999  Jason Merrill  <jason@yorick.cygnus.com>
 
 	* dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
diff --git a/gcc/reload1.c b/gcc/reload1.c
index 9109614..9d13325 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -8135,10 +8135,9 @@ delete_address_reloads_1 (dead_insn, x, current_insn)
 	    }
 	  if (GET_CODE (i2) == JUMP_INSN)
 	    break;
-	  if (reg_set_p (dst, PATTERN (i2)))
-	    break;
 	  /* If DST is still live at CURRENT_INSN, check if it is used for
-	     any reload.  */
+	     any reload.  Note that even if CURRENT_INSN sets DST, we still
+	     have to check the reloads.  */
 	  if (i2 == current_insn)
 	    {
 	      for (j = n_reloads - 1; j >= 0; j--)
@@ -8151,6 +8150,8 @@ delete_address_reloads_1 (dead_insn, x, current_insn)
 		 spill_hard_reg.  There is no easy way to tell this, so we
 		 have to scan till the end of the basic block.  */
 	    }
+	  if (reg_set_p (dst, PATTERN (i2)))
+	    break;
 	}
     }
   delete_address_reloads_1 (prev, SET_SRC (set), current_insn);