[committed] i386: Fix offset calculation in ix86_redzone_clobber

[Uros Bizjak]

plus_constant expects integer as its third argument, not rtx.

gcc/ChangeLog:

    * config/i386/i386.cc (ix86_redzone_clobber): Use integer, not rtx
    as the third argument of plus_constant.

Bootstrapped and regression tested on x86_64-pc-linux-gnu {,-m32}.

Uros.

diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc
index 18127bcada8..f38e3db41fa 100644
--- a/gcc/config/i386/i386.cc
+++ b/gcc/config/i386/i386.cc
@@ -26465,8 +26465,7 @@ ix86_redzone_clobber ()
   cfun->machine->asm_redzone_clobber_seen = true;
   if (ix86_using_red_zone ())
     {
-      rtx base = plus_constant (Pmode, stack_pointer_rtx,
-                               GEN_INT (-RED_ZONE_SIZE));
+      rtx base = plus_constant (Pmode, stack_pointer_rtx, -RED_ZONE_SIZE);
       rtx mem = gen_rtx_MEM (BLKmode, base);
       set_mem_size (mem, RED_ZONE_SIZE);
       return mem;