tm.texi.in (CLASS_LIKELY_SPILLED_P): Remove documentation.

* doc/tm.texi.in (CLASS_LIKELY_SPILLED_P): Remove documentation.
	* doc/tm.texi.in: Regenerate.
	* system.h (CLASS_LIKELY_SPILLED_P): Poison.
	* targhooks.c (default_class_likely_spilled_p): Don't use the 
	CLASS_LIKELY_SPILLED_P macro.

	* config\arm\arm.md: Update comment.

From-SVN: r165060

gcc/ChangeLog

@@ -1,3 +1,13 @@
+2010-10-06  Anatoly Sokolov  <aesok@post.ru>
+
+	* doc/tm.texi.in (CLASS_LIKELY_SPILLED_P): Remove documentation.
+	* doc/tm.texi.in: Regenerate.
+	* system.h (CLASS_LIKELY_SPILLED_P): Poison.
+	* targhooks.c (default_class_likely_spilled_p): Don't use the 
+	CLASS_LIKELY_SPILLED_P macro.
+
+	* config\arm\arm.md: Update comment.
+
 2010-10-06  Jan Hubicka  <jh@suse.cz>
 
 	* ipa.c (cgraph_remove_unreachable_nodes): External references can always

gcc/config/arm/arm.md

@@ -6671,7 +6671,7 @@
 
 ;; Sigh!  This variant shouldn't be needed, but combine often fails to
 ;; merge cases like this because the op1 is a hard register in
-;; CLASS_LIKELY_SPILLED_P.
+;; arm_class_likely_spilled_p.
 (define_peephole2
   [(set (match_operand:SI 0 "low_register_operand" "")
 	(match_operand:SI 1 "low_register_operand" ""))

gcc/doc/tm.texi

@@ -2852,24 +2852,6 @@ the only effect of such implementation would be to slow down register
 allocation.
 @end deftypefn
 
-@defmac CLASS_LIKELY_SPILLED_P (@var{class})
-A C expression whose value is nonzero if pseudos that have been assigned
-to registers of class @var{class} would likely be spilled because
-registers of @var{class} are needed for spill registers.
-
-The default value of this macro returns 1 if @var{class} has exactly one
-register and zero otherwise.  On most machines, this default should be
-used.  Only define this macro to some other expression if pseudos
-allocated by @file{local-alloc.c} end up in memory because their hard
-registers were needed for spill registers.  If this macro returns nonzero
-for those classes, those pseudos will only be allocated by
-@file{global.c}, which knows how to reallocate the pseudo to another
-register.  If there would not be another register available for
-reallocation, you should not change the definition of this macro since
-the only effect of such a definition would be to slow down register
-allocation.
-@end defmac
-
 @defmac CLASS_MAX_NREGS (@var{class}, @var{mode})
 A C expression for the maximum number of consecutive registers
 of class @var{class} needed to hold a value of mode @var{mode}.

gcc/doc/tm.texi.in

@@ -2852,24 +2852,6 @@ the only effect of such implementation would be to slow down register
 allocation.
 @end deftypefn
 
-@defmac CLASS_LIKELY_SPILLED_P (@var{class})
-A C expression whose value is nonzero if pseudos that have been assigned
-to registers of class @var{class} would likely be spilled because
-registers of @var{class} are needed for spill registers.
-
-The default value of this macro returns 1 if @var{class} has exactly one
-register and zero otherwise.  On most machines, this default should be
-used.  Only define this macro to some other expression if pseudos
-allocated by @file{local-alloc.c} end up in memory because their hard
-registers were needed for spill registers.  If this macro returns nonzero
-for those classes, those pseudos will only be allocated by
-@file{global.c}, which knows how to reallocate the pseudo to another
-register.  If there would not be another register available for
-reallocation, you should not change the definition of this macro since
-the only effect of such a definition would be to slow down register
-allocation.
-@end defmac
-
 @defmac CLASS_MAX_NREGS (@var{class}, @var{mode})
 A C expression for the maximum number of consecutive registers
 of class @var{class} needed to hold a value of mode @var{mode}.

gcc/system.h

@@ -716,7 +716,7 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 	CAN_ELIMINATE TRAMPOLINE_TEMPLATE INITIALIZE_TRAMPOLINE		\
 	TRAMPOLINE_ADJUST_ADDRESS STATIC_CHAIN STATIC_CHAIN_INCOMING	\
 	RETURN_POPS_ARGS UNITS_PER_SIMD_WORD OVERRIDE_OPTIONS		\
-	OPTIMIZATION_OPTIONS						\
+	OPTIMIZATION_OPTIONS CLASS_LIKELY_SPILLED_P			\
 	USING_SJLJ_EXCEPTIONS TARGET_UNWIND_INFO
 
 /* Other obsolete target macros, or macros that used to be in target

gcc/targhooks.c

@@ -1226,11 +1226,7 @@ default_profile_before_prologue (void)
 bool
 default_class_likely_spilled_p (reg_class_t rclass)
 {
-#ifndef CLASS_LIKELY_SPILLED_P
   return (reg_class_size[(int) rclass] == 1);
-#else
-  return CLASS_LIKELY_SPILLED_P ((enum reg_class) rclass);
-#endif
 }
 
 /* Determine the debugging unwind mechanism for the target.  */