void ia32_cconv_init(void)
{
be_cconv_add_regs(default_caller_saves, caller_saves_gp, ARRAY_SIZE(caller_saves_gp));
be_cconv_add_regs(default_callee_saves, callee_saves, ARRAY_SIZE(callee_saves));
if (!ia32_cg_config.use_softfloat) {
be_cconv_add_regs(default_caller_saves, caller_saves_fp, ARRAY_SIZE(caller_saves_fp));
rbitset_set(default_callee_saves, REG_FPCW);
}
}
void sparc_cconv_init(void)
{
be_cconv_add_regs(default_caller_saves, caller_saves, ARRAY_SIZE(caller_saves));
rbitset_set_all(default_returns_twice_saves, N_SPARC_REGISTERS);
be_cconv_rem_regs(default_returns_twice_saves, returns_twice_saved, ARRAY_SIZE(returns_twice_saved));
be_cconv_rem_regs(default_returns_twice_saves, ignore_regs, ARRAY_SIZE(ignore_regs));
for (size_t i = 0; i < ARRAY_SIZE(float_result_reqs_double); i += 2) {
arch_register_req_t *req = &float_result_reqs_double[i];
*req = *float_result_regs[i]->single_req;
req->width = 2;
}
for (size_t i = 0; i < ARRAY_SIZE(float_result_reqs_quad); i += 4) {
arch_register_req_t *req = &float_result_reqs_quad[i];
*req = *float_result_regs[i]->single_req;
req->width = 4;
}
}
void amd64_cconv_init(void)
{
static const unsigned common_caller_saves[] = {
REG_RAX,
REG_RCX,
REG_RDX,
REG_R8,
REG_R9,
REG_R10,
REG_R11,
REG_XMM0,
REG_XMM1,
REG_XMM2,
REG_XMM3,
REG_XMM4,
REG_XMM5,
REG_XMM6,
REG_XMM7,
REG_XMM8,
REG_XMM9,
REG_XMM10,
REG_XMM11,
REG_XMM12,
REG_XMM13,
REG_XMM14,
REG_XMM15,
REG_ST0,
REG_ST1,
REG_ST2,
REG_ST3,
REG_ST4,
REG_ST5,
REG_ST6,
REG_ST7,
};
static unsigned const x64_callee_saves[] = { REG_RSI, REG_RDI };
be_cconv_add_regs(default_caller_saves, common_caller_saves, ARRAY_SIZE(common_caller_saves));
if (!amd64_use_x64_abi)
be_cconv_add_regs(default_caller_saves, x64_callee_saves, ARRAY_SIZE(x64_callee_saves));
static const unsigned common_callee_saves[] = {
REG_RBX,
REG_RBP,
REG_R12,
REG_R13,
REG_R14,
REG_R15,
};
be_cconv_add_regs(default_callee_saves, common_callee_saves, ARRAY_SIZE(common_callee_saves));
if (amd64_use_x64_abi)
be_cconv_add_regs(default_callee_saves, x64_callee_saves, ARRAY_SIZE(x64_callee_saves));
static const arch_register_t* const param_regs_list[] = {
&amd64_registers[REG_RDI],
&amd64_registers[REG_RSI],
&amd64_registers[REG_RDX],
&amd64_registers[REG_RCX],
&amd64_registers[REG_R8],
&amd64_registers[REG_R9],
};
param_regs = amd64_use_x64_abi ? ¶m_regs_list[2] : param_regs_list;
n_param_regs = ARRAY_SIZE(param_regs_list) - (amd64_use_x64_abi ? 2 : 0);
n_float_param_regs = amd64_use_x64_abi ? 4 : ARRAY_SIZE(float_param_regs);
}
