From: Ulrich Weigand <uweigand@de.ibm.com>
Date: Wed, 11 Mar 2009 00:18:02 +0000 (+0000)
Subject: 	* elf32-spu.c (find_function_stack_adjust): Handle sf instruction
X-Git-Tag: sid-snapshot-20090401~306
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9b175a76d11f555b5c34edfa6e4d014173d94972;p=external%2Fbinutils.git

	* elf32-spu.c (find_function_stack_adjust): Handle sf instruction
	used to update stack pointer.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 2d043f7..eac0087 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2009-03-11  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* elf32-spu.c (find_function_stack_adjust): Handle sf instruction
+	used to update stack pointer.
+
 2009-03-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	PR binutils/9921
diff --git a/bfd/elf32-spu.c b/bfd/elf32-spu.c
index 3015cd6..115fa49 100644
--- a/bfd/elf32-spu.c
+++ b/bfd/elf32-spu.c
@@ -2133,6 +2133,19 @@ find_function_stack_adjust (asection *sec,
 	      return reg[rt];
 	    }
 	}
+      else if (buf[0] == 0x08 && (buf[1] & 0xe0) == 0 /* sf */)
+	{
+	  int rb = ((buf[1] & 0x1f) << 2) | ((buf[2] & 0xc0) >> 6);
+
+	  reg[rt] = reg[rb] - reg[ra];
+	  if (rt == 1)
+	    {
+	      if (reg[rt] > 0)
+		break;
+	      *sp_adjust = offset;
+	      return reg[rt];
+	    }
+	}
       else if ((buf[0] & 0xfc) == 0x40 /* il, ilh, ilhu, ila */)
 	{
 	  if (buf[0] >= 0x42 /* ila */)