-
-static int maxnum_gpreg_args = 3; /* maximum number of int arguments passed in registers; default 3 */
-static int maxnum_fpreg_args = 5; /* maximum number of float arguments passed in registers; default 5 */
-
-/* this is the order of the assigned registers usesd for parameter passing */
-
-const arch_register_t *gpreg_param_reg_std[] = {
- &ia32_gp_regs[REG_EAX],
- &ia32_gp_regs[REG_EDX],
- &ia32_gp_regs[REG_ECX],
- &ia32_gp_regs[REG_EBX],
- &ia32_gp_regs[REG_EDI],
- &ia32_gp_regs[REG_ESI]
-};
-
-const arch_register_t *gpreg_param_reg_this[] = {
- &ia32_gp_regs[REG_ECX],
- &ia32_gp_regs[REG_EAX],
- &ia32_gp_regs[REG_EDX],
- &ia32_gp_regs[REG_EBX],
- &ia32_gp_regs[REG_EDI],
- &ia32_gp_regs[REG_ESI]
-};
-
-const arch_register_t *fpreg_param_reg_std[] = {
- &ia32_xmm_regs[REG_XMM0],
- &ia32_xmm_regs[REG_XMM1],
- &ia32_xmm_regs[REG_XMM2],
- &ia32_xmm_regs[REG_XMM3],
- &ia32_xmm_regs[REG_XMM4],
- &ia32_xmm_regs[REG_XMM5],
- &ia32_xmm_regs[REG_XMM6],
- &ia32_xmm_regs[REG_XMM7]
-};
-
-const arch_register_t *fpreg_param_reg_this[] = {
- NULL, /* in case of a "this" pointer, the first parameter must not be a float */
- &ia32_xmm_regs[REG_XMM0],
- &ia32_xmm_regs[REG_XMM1],
- &ia32_xmm_regs[REG_XMM2],
- &ia32_xmm_regs[REG_XMM3],
- &ia32_xmm_regs[REG_XMM4],
- &ia32_xmm_regs[REG_XMM5],
- &ia32_xmm_regs[REG_XMM6],
- &ia32_xmm_regs[REG_XMM7]
-};
-
-
-
-/* Mapping to store registers in firm nodes */
-
-struct ia32_irn_reg_assoc {
- const ir_node *irn;
- const arch_register_t *reg;
-};
-
-int ia32_cmp_irn_reg_assoc(const void *a, const void *b, size_t len) {
- const struct ia32_irn_reg_assoc *x = a;
- const struct ia32_irn_reg_assoc *y = b;
-
- return x->irn != y->irn;
-}
-
-static struct ia32_irn_reg_assoc *get_irn_reg_assoc(const ir_node *irn, set *reg_set) {
- struct ia32_irn_reg_assoc templ;
- unsigned int hash;
-
- templ.irn = irn;
- templ.reg = NULL;
- hash = HASH_PTR(irn);
-
- return set_insert(reg_set, &templ, sizeof(templ), hash);
-}
-
-void ia32_set_firm_reg(ir_node *irn, const arch_register_t *reg, set *reg_set) {
- struct ia32_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
- assoc->reg = reg;
-}
-
-const arch_register_t *ia32_get_firm_reg(const ir_node *irn, set *reg_set) {
- struct ia32_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
- return assoc->reg;
-}
-
-void ia32_build_16bit_reg_map(pmap *reg_map) {
- pmap_insert(reg_map, &ia32_gp_regs[REG_EAX], "ax");
- pmap_insert(reg_map, &ia32_gp_regs[REG_EBX], "bx");
- pmap_insert(reg_map, &ia32_gp_regs[REG_ECX], "cx");
- pmap_insert(reg_map, &ia32_gp_regs[REG_EDX], "dx");
- pmap_insert(reg_map, &ia32_gp_regs[REG_ESI], "si");
- pmap_insert(reg_map, &ia32_gp_regs[REG_EDI], "di");
- pmap_insert(reg_map, &ia32_gp_regs[REG_EBP], "bp");
- pmap_insert(reg_map, &ia32_gp_regs[REG_ESP], "sp");