be: remove unused reg_class_for_mode callback

ir/be/TEMPLATE/bearch_TEMPLATE.c

@@ -186,20 +186,6 @@ static void TEMPLATE_done(void *self)
 	free(self);
 }
 
-/**
- * Get the register class which shall be used to store a value of a given mode.
- * @param self The this pointer.
- * @param mode The mode in question.
- * @return A register class which can hold values of the given mode.
- */
-static const arch_register_class_t *TEMPLATE_get_reg_class_for_mode(const ir_mode *mode)
-{
-	if (mode_is_float(mode))
-		return &TEMPLATE_reg_classes[CLASS_TEMPLATE_fp];
-	else
-		return &TEMPLATE_reg_classes[CLASS_TEMPLATE_gp];
-}
-
 /**
  * Get the between type for that call.
  * @param self The callback object.
@@ -399,7 +385,6 @@ const arch_isa_if_t TEMPLATE_isa_if = {
 	TEMPLATE_lower_for_target,
 	TEMPLATE_done,
 	NULL,                /* handle intrinsics */
-	TEMPLATE_get_reg_class_for_mode,
 	TEMPLATE_get_call_abi,
 	TEMPLATE_get_reg_class_alignment,
     TEMPLATE_get_backend_params,

ir/be/amd64/bearch_amd64.c

@@ -335,21 +335,6 @@ static void amd64_done(void *self)
 	free(self);
 }
 
-
-/**
- * Get the register class which shall be used to store a value of a given mode.
- * @param self The this pointer.
- * @param mode The mode in question.
- * @return A register class which can hold values of the given mode.
- */
-static const arch_register_class_t *amd64_get_reg_class_for_mode(const ir_mode *mode)
-{
-	assert(!mode_is_float(mode));
-	return &amd64_reg_classes[CLASS_amd64_gp];
-}
-
-
-
 typedef struct {
 	be_abi_call_flags_bits_t flags;
 	ir_graph *irg;
@@ -583,7 +568,6 @@ const arch_isa_if_t amd64_isa_if = {
 	amd64_lower_for_target,
 	amd64_done,
 	NULL,                /* handle intrinsics */
-	amd64_get_reg_class_for_mode,
 	amd64_get_call_abi,
 	amd64_get_reg_class_alignment,
     amd64_get_backend_params,

ir/be/arm/bearch_arm.c

@@ -471,20 +471,6 @@ static void arm_done(void *self)
 	free(self);
 }
 
-/**
- * Get the register class which shall be used to store a value of a given mode.
- * @param self The this pointer.
- * @param mode The mode in question.
- * @return A register class which can hold values of the given mode.
- */
-static const arch_register_class_t *arm_get_reg_class_for_mode(const ir_mode *mode)
-{
-	if (mode_is_float(mode))
-		return &arm_reg_classes[CLASS_arm_fpa];
-	else
-		return &arm_reg_classes[CLASS_arm_gp];
-}
-
 /**
  * Returns the necessary byte alignment for storing a register of given class.
  */
@@ -613,7 +599,6 @@ const arch_isa_if_t arm_isa_if = {
 	arm_lower_for_target,
 	arm_done,
 	NULL,  /* handle_intrinsics */
-	arm_get_reg_class_for_mode,
 	NULL,
 	arm_get_reg_class_alignment,
 	arm_get_libfirm_params,

ir/be/bearch.h

@@ -485,15 +485,6 @@ struct arch_isa_if_t {
 	 */
 	void (*handle_intrinsics)(void);
 
-	/**
-	 * Get the register class which shall be used to store a value of a given
-	 * mode.
-	 * @param self The this pointer.
-	 * @param mode The mode in question.
-	 * @return A register class which can hold values of the given mode.
-	 */
-	const arch_register_class_t *(*get_reg_class_for_mode)(const ir_mode *mode);
-
 	/**
 	 * Get the ABI restrictions for procedure calls.
 	 * @param self        The this pointer.
@@ -618,7 +609,6 @@ struct arch_isa_if_t {
 #define arch_env_done(env)                             ((env)->impl->done(env))
 #define arch_env_handle_intrinsics(env)                \
 	do { if((env)->impl->handle_intrinsics != NULL) (env)->impl->handle_intrinsics(); } while(0)
-#define arch_env_get_reg_class_for_mode(env,mode)      ((env)->impl->get_reg_class_for_mode((mode)))
 #define arch_env_get_call_abi(env,tp,abi)              ((env)->impl->get_call_abi((env), (tp), (abi)))
 #define arch_env_get_reg_class_alignment(env,cls)      ((env)->impl->get_reg_class_alignment((cls)))
 #define arch_env_get_params(env)                       ((env)->impl->get_params())

ir/be/ia32/bearch_ia32.c

@@ -1565,22 +1565,6 @@ static void ia32_done(void *self)
 	free(self);
 }
 
-
-/**
- * Get the register class which shall be used to store a value of a given mode.
- * @param self The this pointer.
- * @param mode The mode in question.
- * @return A register class which can hold values of the given mode.
- */
-static const arch_register_class_t *ia32_get_reg_class_for_mode(const ir_mode *mode)
-{
-	if (mode_is_float(mode)) {
-		return ia32_cg_config.use_sse2 ? &ia32_reg_classes[CLASS_ia32_xmm] : &ia32_reg_classes[CLASS_ia32_vfp];
-	}
-	else
-		return &ia32_reg_classes[CLASS_ia32_gp];
-}
-
 /**
  * Returns the register for parameter nr.
  */
@@ -2239,7 +2223,6 @@ const arch_isa_if_t ia32_isa_if = {
 	ia32_lower_for_target,
 	ia32_done,
 	ia32_handle_intrinsics,
-	ia32_get_reg_class_for_mode,
 	ia32_get_call_abi,
 	ia32_get_reg_class_alignment,
 	ia32_get_libfirm_params,

ir/be/sparc/bearch_sparc.c

@@ -387,21 +387,6 @@ static void sparc_done(void *self)
 	free(isa);
 }
 
-
-/**
- * Get the register class which shall be used to store a value of a given mode.
- * @param self The this pointer.
- * @param mode The mode in question.
- * @return A register class which can hold values of the given mode.
- */
-static const arch_register_class_t *sparc_get_reg_class_for_mode(const ir_mode *mode)
-{
-	if (mode_is_float(mode))
-		return &sparc_reg_classes[CLASS_sparc_fp];
-	else
-		return &sparc_reg_classes[CLASS_sparc_gp];
-}
-
 /**
  * Returns the necessary byte alignment for storing a register of given class.
  */
@@ -585,7 +570,6 @@ const arch_isa_if_t sparc_isa_if = {
 	sparc_lower_for_target,
 	sparc_done,
 	NULL,                /* handle intrinsics */
-	sparc_get_reg_class_for_mode,
 	NULL,
 	sparc_get_reg_class_alignment,
 	sparc_get_backend_params,