From: Nathan Froyd <froydnj@codesourcery.com>
Date: Wed, 30 Jul 2008 15:32:34 +0000 (+0000)
Subject: arm.c (arm_expand_prologue): Use 0-length rtvec instead of NULL_RTVEC.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=44bfa35b17b683a5c29dcb512b7f6ec17470ae1f;p=gcc.git

arm.c (arm_expand_prologue): Use 0-length rtvec instead of NULL_RTVEC.

        * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
        instead of NULL_RTVEC.

From-SVN: r138317
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4b8f2d6bb8b..4e6acf0e627 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
+
+        * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
+        instead of NULL_RTVEC.
+
 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
 
 	PR target/35866
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index dfee7c3740e..7410517d6c8 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -12438,7 +12438,9 @@ arm_expand_prologue (void)
 
       r0 = gen_rtx_REG (SImode, 0);
       r1 = gen_rtx_REG (SImode, 1);
-      dwarf = gen_rtx_UNSPEC (SImode, NULL_RTVEC, UNSPEC_STACK_ALIGN);
+      /* Use a real rtvec rather than NULL_RTVEC so the rest of the
+	 compiler won't choke.  */
+      dwarf = gen_rtx_UNSPEC (SImode, rtvec_alloc (0), UNSPEC_STACK_ALIGN);
       dwarf = gen_rtx_SET (VOIDmode, r0, dwarf);
       insn = gen_movsi (r0, stack_pointer_rtx);
       RTX_FRAME_RELATED_P (insn) = 1;