From: Richard Sandiford <rdsandiford@googlemail.com>
Date: Mon, 27 Aug 2012 16:25:47 +0000 (+0000)
Subject: mips.c (mips_pic_call_symbol_from_set): Check for SYMBOL_REF SET_SRCs.
X-Git-Tag: upstream/12.2.0~74561
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cb038fd20d3d744471b887658786e7a765fb3e1b;p=platform%2Fupstream%2Fgcc.git

mips.c (mips_pic_call_symbol_from_set): Check for SYMBOL_REF SET_SRCs.

gcc/
	* config/mips/mips.c (mips_pic_call_symbol_from_set): Check for
	SYMBOL_REF SET_SRCs.

From-SVN: r190717
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 82c7a35..ac45772 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 2012-08-27  Richard Sandiford  <rdsandiford@googlemail.com>
 
+	* config/mips/mips.c (mips_pic_call_symbol_from_set): Check for
+	SYMBOL_REF SET_SRCs.
+
+2012-08-27  Richard Sandiford  <rdsandiford@googlemail.com>
+
 	* config/mips/mips.c (vr4130_align_insns): Don't simulate
 	ghost instructions.  Assert that the required instructions exist.
 
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index b20e4ed..7721a7c 100644
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -14706,13 +14706,13 @@ mips_pic_call_symbol_from_set (df_ref def, rtx reg, bool recurse_p)
     {
       rtx note, src, symbol;
 
-      /* First, look at REG_EQUAL/EQUIV notes.  */
-      note = find_reg_equal_equiv_note (def_insn);
-      if (note && GET_CODE (XEXP (note, 0)) == SYMBOL_REF)
-	return XEXP (note, 0);
-
-      /* For %call16 references we don't have REG_EQUAL.  */
+      /* First see whether the source is a plain symbol.  This is used
+	 when calling symbols that are not lazily bound.  */
       src = SET_SRC (set);
+      if (GET_CODE (src) == SYMBOL_REF)
+	return src;
+
+      /* Handle %call16 references.  */
       symbol = mips_strip_unspec_call (src);
       if (symbol)
 	{
@@ -14720,6 +14720,12 @@ mips_pic_call_symbol_from_set (df_ref def, rtx reg, bool recurse_p)
 	  return symbol;
 	}
 
+      /* If we have something more complicated, look for a
+	 REG_EQUAL or REG_EQUIV note.  */
+      note = find_reg_equal_equiv_note (def_insn);
+      if (note && GET_CODE (XEXP (note, 0)) == SYMBOL_REF)
+	return XEXP (note, 0);
+
       /* Follow at most one simple register copy.  Such copies are
 	 interesting in cases like: