From: Mark Mitchell <mark@codesourcery.com>
Date: Fri, 24 Sep 1999 01:03:58 +0000 (+0000)
Subject: * optabs.c (init_traps): Register trap_rtx as a GC root.
X-Git-Tag: prereleases/libstdc++-2.92~10379
X-Git-Url: https://gcc.gnu.org/git/?a=commitdiff_plain;h=541b0512b1977c888dc08b99076cee97997c950d;p=gcc.git

* optabs.c (init_traps): Register trap_rtx as a GC root.

From-SVN: r29643
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 88fe18d360f4..f2002c1bfa36 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Thu Sep 23 18:07:01 1999  Mark Mitchell  <mark@codesourcery.com>
+
+	* optabs.c (init_traps): Register trap_rtx as a GC root.
+
 Thu Sep 23 17:41:47 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
 
 	* config/mips/mips.c (function_arg_pass_by_reference): Define
diff --git a/gcc/optabs.c b/gcc/optabs.c
index b424f1b931ee..32abf391985b 100644
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -4754,16 +4754,17 @@ ldexp(x,n)
 /* The insn generating function can not take an rtx_code argument.
    TRAP_RTX is used as an rtx argument.  Its code is replaced with
    the code to be used in the trap insn and all other fields are
-   ignored.
-
-   ??? Will need to change to support garbage collection.  */
+   ignored.  */
 static rtx trap_rtx;
 
 static void
 init_traps ()
 {
   if (HAVE_conditional_trap)
-    trap_rtx = gen_rtx_fmt_ee (EQ, VOIDmode, NULL_RTX, NULL_RTX);
+    {
+      trap_rtx = gen_rtx_fmt_ee (EQ, VOIDmode, NULL_RTX, NULL_RTX);
+      ggc_add_tree_root (&trap_rtx, 1);
+    }
 }
 #endif