Commit d32b78d7 authored by Sebastian Hack's avatar Sebastian Hack
Browse files

Minor changes

parent 6e7f7018
......@@ -85,6 +85,13 @@ const arch_register_req_t *arch_get_register_req(const arch_env_t *env,
return ops->impl->get_irn_reg_req(ops, req, irn, pos);
}
void arch_set_stack_bias(const arch_env_t *env, ir_node *irn, int bias)
{
const arch_irn_ops_t *ops = get_irn_ops(env, irn);
ops->impl->set_stack_bias(ops, irn, bias);
}
int arch_get_allocatable_regs(const arch_env_t *env, const ir_node *irn, int pos, bitset_t *bs)
{
arch_register_req_t local_req;
......
......@@ -251,18 +251,6 @@ struct _arch_irn_ops_if_t {
*/
arch_irn_flags_t (*get_flags)(const void *self, const ir_node *irn);
/**
* Check, if a node modifies the stack pointer by a constant.
* @param self The this pointer.
* @param irn The node in question.
* @return The (constant) amount by which the stack pointer is modifies
* by this node. Return 0, if irn does not touch the stack pointer.
* <tt>-n</tt> if the node modifies the sp by n against the stack's growing
* direction and <tt>n</tt> if irn modifies the stack by n along the stack's
* growing direction.
*/
int (*modifies_sp)(const void *self, const ir_node *irn);
/**
* Set a bias for the stack pointer.
* If the node in question uses the stack pointer for indexing, it must
......@@ -281,6 +269,9 @@ struct _arch_irn_ops_t {
const arch_irn_ops_if_t *impl;
};
extern void
arch_set_stack_bias(const arch_env_t *env, ir_node *irn, int bias);
/**
* Get the register requirements for a node.
* @param env The architecture environment.
......
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