ssa-dce.c (EXECUTE_IF_UNNECESSARY): Verify INSN is an INSN_P before checking to see if it is dead.

       * ssa-dce.c (EXECUTE_IF_UNNECESSARY): Verify INSN is an
        INSN_P before checking to see if it is dead.
        (mark_all_insn_unnecessary): Similarly.
        (ssa_eliminate_dead_code): Similarly.
        * rtl.h (struct rtx_def): Update comments for in_struct usage
        in dead code elimination pass.
        (INSN_DEAD_CODE_P): Allow JUMP_INSN and CALL_INSN as well.

From-SVN: r60520

1 files changed, 4 insertions, 3 deletions

diff --git a/gcc/rtl.h b/gcc/rtl.h
index c873d9f..3cab166 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -174,8 +174,9 @@ struct rtx_def GTY((chain_next ("RTX_NEXT (&%h)"),
      1 in an INSN, JUMP_INSN, or CALL_INSN if insn is in a delay slot and
      from the target of a branch.  Valid from reorg until end of compilation;
      cleared before used.
-     1 in an INSN or related rtx if this insn is dead code.  Valid only during
-     dead-code elimination phase; cleared before use.  */
+     1 in an INSN, JUMP_INSN or CALL_INSN or related rtx if this insn is
+     dead code.  Valid only during dead-code elimination phase; cleared
+     before use.  */
   unsigned int in_struct : 1;
   /* At the end of RTL generation, 1 if this rtx is used.  This is used for
      copying shared structure.  See `unshare_all_rtl'.
@@ -578,7 +579,7 @@ do {				\
 /* 1 if RTX is an insn that is dead code.  Valid only for dead-code
    elimination phase.  */
 #define INSN_DEAD_CODE_P(RTX)						\
-  (RTL_FLAG_CHECK1("INSN_DEAD_CODE_P", (RTX), INSN)->in_struct)
+  (RTL_FLAG_CHECK3("INSN_DEAD_CODE_P", (RTX), INSN, CALL_INSN, JUMP_INSN)->in_struct)
 
 /* 1 if RTX is an insn in a delay slot and is from the target of the branch.
    If the branch insn has INSN_ANNULLED_BRANCH_P set, this insn should only be