Do not call chkp_type_bounds_count if MPX is not enabled (PR target/84988).

2018-03-28  Martin Liska  <mliska@suse.cz>

	PR target/84988
	* config/i386/i386.c (ix86_function_arg_advance): Do not call
	chkp_type_bounds_count if MPX is not enabled.

From-SVN: r258923

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f7f37cb..33f78bc 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-03-28  Martin Liska  <mliska@suse.cz>
+
+       PR target/84988
+       * config/i386/i386.c (ix86_function_arg_advance): Do not call
+       chkp_type_bounds_count if MPX is not enabled.
+
 2018-03-27  Chung-Ju Wu  <jasonwucj@gmail.com>
 
        * config/nds32/nds32.h (BRANCH_COST): Adjust cost.

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index b4f6aec..2b2896f 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -8618,7 +8618,8 @@ ix86_function_arg_advance (cumulative_args_t cum_v, machine_mode mode,
       if (cum->caller)
        cfun->machine->outgoing_args_on_stack = true;
 
-      cum->bnds_in_bt = chkp_type_bounds_count (type);
+      if (flag_check_pointer_bounds)
+       cum->bnds_in_bt = chkp_type_bounds_count (type);
     }
 }