* reg-stack.c (subst_stack_regs): Properly check for deleted insn.

From-SVN: r49024

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a266fa0b064394af144fcfb3f5d01f1688aa0c37..da6644b96a92f7383a7f4026c130530413240ec6 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -7,6 +7,8 @@
 
 Sun Jan 20 18:40:14 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
+       * reg-stack.c (subst_stack_regs): Properly check for deleted insn.
+
        * dwarf2out.c (loc_descriptor_from_tree): Add TRUTH_*_EXPR cases.
        (gen_struct_or_union_type_die): Don't SIGSEGV if no TYPE_STUB_DECL
        in incomplete case.

diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c
index e7f69b0e786dffbaa8477806bbad6e4439052823..c0915a59b3c30c3ef274c57337fe5a5dc4e63fb8 100644 (file)
--- a/gcc/reg-stack.c
+++ b/gcc/reg-stack.c
@@ -2215,7 +2215,7 @@ subst_stack_regs (insn, regstack)
   /* subst_stack_regs_pat may have deleted a no-op insn.  If so, any
      REG_UNUSED will already have been dealt with, so just return.  */
 
-  if (GET_CODE (insn) == NOTE)
+  if (GET_CODE (insn) == NOTE || INSN_DELETED_P (insn))
     return;
 
   /* If there is a REG_UNUSED note on a stack register on this insn,