* regclass.c (init_reg_sets): Check for missing registers in target

	initializer macros FIXED_REGISTERS and CALL_USED_REGISTERS.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@82655 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1ad247d..529dd81 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-06-05  Bernardo Innocenti  <bernie@develer.com>
+
+       * regclass.c (init_reg_sets): Check for missing registers in target
+       initializer macros FIXED_REGISTERS and CALL_USED_REGISTERS.
+
 2004-06-05  Zack Weinberg  <zack@codesourcery.com>
 
        * Makefile.in (MKDEPS_H): New shorthand.

diff --git a/gcc/regclass.c b/gcc/regclass.c
index 0203d8a..ff7d89e 100644 (file)
--- a/gcc/regclass.c
+++ b/gcc/regclass.c
@@ -278,6 +278,12 @@ init_reg_sets (void)
          SET_HARD_REG_BIT (reg_class_contents[i], j);
     }
 
+  /* Sanity check: make sure the target macros FIXED_REGISTERS and
+     CALL_USED_REGISTERS had the right number of initializers.  */
+  if (sizeof fixed_regs != sizeof initial_fixed_regs
+      || sizeof call_used_regs != sizeof initial_call_used_regs)
+    abort();
+
   memcpy (fixed_regs, initial_fixed_regs, sizeof fixed_regs);
   memcpy (call_used_regs, initial_call_used_regs, sizeof call_used_regs);
   memset (global_regs, 0, sizeof global_regs);