Remove the unused regs_saved_by_me hook.

[r23138]

ir/be/TEMPLATE/bearch_TEMPLATE.c

@@ -468,15 +468,6 @@ static ir_type *TEMPLATE_get_between_type(void *self)
 	return between_type;
 }
 
-static void TEMPLATE_abi_dont_save_regs(void *self, pset *s)
-{
-	TEMPLATE_abi_env_t *env = self;
-	if (env->flags.try_omit_fp) {
-		/* insert the BP register into the ignore set */
-		pset_insert_ptr(s, env->arch_env->bp);
-	}
-}
-
 /**
  * Build the prolog, return the BASE POINTER register
  */
@@ -507,7 +498,6 @@ static const be_abi_callbacks_t TEMPLATE_abi_callbacks = {
 	TEMPLATE_abi_init,
 	free,
 	TEMPLATE_get_between_type,
-	TEMPLATE_abi_dont_save_regs,
 	TEMPLATE_abi_prologue,
 	TEMPLATE_abi_epilogue,
 };

ir/be/arm/bearch_arm.c

@@ -871,19 +871,6 @@ static void *arm_abi_init(const be_abi_call_t *call, const arch_env_t *arch_env,
 	return env;
 }
 
-/**
- * Put all registers which are saved by the prologue/epilogue in a set.
- *
- * @param self  The callback object.
- * @param s     The result set.
- */
-static void arm_abi_dont_save_regs(void *self, pset *s)
-{
-	arm_abi_env_t *env = self;
-	if (env->flags.try_omit_fp)
-		pset_insert_ptr(s, env->arch_env->bp);
-}
-
 /**
  * Generate the routine prologue.
  *
@@ -1003,7 +990,6 @@ static const be_abi_callbacks_t arm_abi_callbacks = {
 	arm_abi_init,
 	free,
 	arm_get_between_type,
-	arm_abi_dont_save_regs,
 	arm_abi_prologue,
 	arm_abi_epilogue,
 };

ir/be/beabi.h

@@ -75,13 +75,6 @@ struct _be_abi_callbacks_t {
 	 */
 	ir_type *(*get_between_type)(void *self);
 
-	/**
-	 * Put all registers which are saved by the prologue/epilogue in a set.
-	 * @param self The callback object.
-	 * @param regs A set.
-	 */
-	void (*regs_saved_by_me)(void *self, pset *regs);
-
 	/**
 	 * Generate the prologue.
 	 * @param self       The callback object.

ir/be/ia32/bearch_ia32.c

@@ -393,19 +393,6 @@ static int ia32_get_sp_bias(const ir_node *node)
 	return 0;
 }
 
-/**
- * Put all registers which are saved by the prologue/epilogue in a set.
- *
- * @param self  The callback object.
- * @param s     The result set.
- */
-static void ia32_abi_dont_save_regs(void *self, pset *s)
-{
-	ia32_abi_env_t *env = self;
-	if(env->flags.try_omit_fp)
-		pset_insert_ptr(s, env->aenv->bp);
-}
-
 /**
  * Generate the routine prologue.
  *
@@ -898,7 +885,6 @@ static const be_abi_callbacks_t ia32_abi_callbacks = {
 	ia32_abi_init,
 	ia32_abi_done,
 	ia32_abi_get_between_type,
-	ia32_abi_dont_save_regs,
 	ia32_abi_prologue,
 	ia32_abi_epilogue
 };

ir/be/mips/bearch_mips.c

@@ -532,14 +532,6 @@ static void *mips_abi_init(const be_abi_call_t *call, const arch_env_t *arch_env
 	return env;
 }
 
-static void mips_abi_dont_save_regs(void *self, pset *s)
-{
-	mips_abi_env_t *env = self;
-
-	if(env->flags.try_omit_fp)
-		pset_insert_ptr(s, env->arch_env->bp);
-}
-
 static const arch_register_t *mips_abi_prologue(void *self, ir_node** mem, pmap *reg_map, int *stack_bias)
 {
 	mips_abi_env_t *env = self;
@@ -705,7 +697,6 @@ static const be_abi_callbacks_t mips_abi_callbacks = {
 	mips_abi_init,
 	free,
 	mips_abi_get_between_type,
-	mips_abi_dont_save_regs,
 	mips_abi_prologue,
 	mips_abi_epilogue,
 };

ir/be/ppc32/bearch_ppc32.c

@@ -304,17 +304,6 @@ static ir_type *ppc32_abi_get_between_type(void *self)
 	return between_type;
 }
 
-/**
- * Put all registers which are saved by the prologue/epilogue in a set.
- * @param self The callback object.
- * @param regs A set.
- */
-static void ppc32_abi_regs_saved_by_me(void *self, pset *regs)
-{
-	(void) self;
-	(void) regs;
-}
-
 /**
  * Generate the prologue.
  * @param self       The callback object.
@@ -362,7 +351,6 @@ static const be_abi_callbacks_t ppc32_abi_callbacks = {
 	ppc32_abi_init,
 	ppc32_abi_done,
 	ppc32_abi_get_between_type,
-	ppc32_abi_regs_saved_by_me,
 	ppc32_abi_prologue,
 	ppc32_abi_epilogue,
 };