create infrastructure so that jump tables on/off can be tweaked by an

architecture by changing JUMP_TABLES_DEFAULT
ok kettenis

diff --git a/gnu/gcc/gcc/common.opt b/gnu/gcc/gcc/common.opt
index e50509e..7aec4a2 100644 (file)
--- a/gnu/gcc/gcc/common.opt
+++ b/gnu/gcc/gcc/common.opt
@@ -570,7 +570,7 @@ Common Report Var(flag_ivopts) Init(1)
 Optimize induction variables on trees
 
 fjump-tables
-Common Var(flag_jump_tables) Init(1)
+Common Var(flag_jump_tables) Init(JUMP_TABLES_DEFAULT)
 Use jump tables for sufficiently large switch statements
 
 fkeep-inline-functions

diff --git a/gnu/gcc/gcc/defaults.h b/gnu/gcc/gcc/defaults.h
index d7d65e8..b429d27 100644 (file)
--- a/gnu/gcc/gcc/defaults.h
+++ b/gnu/gcc/gcc/defaults.h
@@ -904,4 +904,8 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
 #define PIE_DEFAULT 0
 #endif
 
+#ifndef JUMP_TABLES_DEFAULT
+#define JUMP_TABLES_DEFAULT 1
+#endif
+
 #endif  /* ! GCC_DEFAULTS_H */