From: Jeffrey A Law <law@cygnus.com>
Date: Thu, 21 Oct 1999 04:59:40 +0000 (+0000)
Subject: local-alloc.c (update_equiv_regs): Check the correct insn for pre-existing REG_EQUIV... 
X-Git-Tag: releases/gcc-2.95.2~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ecba966187c6b806ed4573b39708c83501b601e;p=thirdparty%2Fgcc.git

local-alloc.c (update_equiv_regs): Check the correct insn for pre-existing REG_EQUIV notes.

        * local-alloc.c (update_equiv_regs): Check the correct insn
        for pre-existing REG_EQUIV notes.
Fix the sparc tetex bug.

From-SVN: r30110
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 587dbbca168a..3084634761b1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Wed Oct 20 22:57:58 1999  Jeffrey A Law  (law@cygnus.com)
+
+	* local-alloc.c (update_equiv_regs): Check the correct insn
+	for pre-existing REG_EQUIV notes.
+
 Tue Oct 19 02:03:00 1999  Jeffrey A Law  (law@cygnus.com)
 
 	Revert this change.  Gavin's patch to operand_equal_p is a better fix.
diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c
index d1df595c4c11..2fc3aec49770 100644
--- a/gcc/local-alloc.c
+++ b/gcc/local-alloc.c
@@ -759,7 +759,8 @@ update_equiv_regs ()
 	  && REG_N_SETS (regno) == 1
 	  && reg_equiv_init_insns[regno] != 0
 	  && reg_equiv_init_insns[regno] != const0_rtx
-	  && ! find_reg_note (insn, REG_EQUIV, NULL_RTX)
+	  && ! find_reg_note (XEXP (reg_equiv_init_insns[regno], 0),
+			      REG_EQUIV, NULL_RTX)
 	  && ! contains_replace_regs (XEXP (dest, 0), reg_equiv_replace))
 	{
 	  rtx init_insn = XEXP (reg_equiv_init_insns[regno], 0);