[gcc] Eliminate control integrity pass in favor of nacl instructions generation from the start.

gcc/gcc/config/i386/i386.md

Index: gcc/gcc/config/i386/i386.md
diff --git a/gcc/gcc/config/i386/i386.md b/gcc/gcc/config/i386/i386.md
index c2898b28f54d5d0b8832d23e00de88ed02bb3c3a..602f4b765134dde218de53aa06e56fb3dc098983 100644
--- a/gcc/gcc/config/i386/i386.md
+++ b/gcc/gcc/config/i386/i386.md
@@ -15320,6 +15320,15 @@
       operands[0] = expand_simple_binop (Pmode, code, op0, op1, NULL_RTX, 0,
 					 OPTAB_DIRECT);
     }
+    
+  /* For NativeClient, force address into register and wrap it into UNSPEC.  */
+  if (TARGET_NACL)
+    {
+      enum machine_mode mode = GET_MODE (operands[0]);
+      operands[0] = gen_rtx_UNSPEC (mode,
+                                    gen_rtvec (1, force_reg (mode, operands[0])),
+                                    UNSPEC_NACLJMP);
+    }
 })
 
 (define_insn "*tablejump_1"