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added gen_function_varargs_copy

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Wolfgang Bumiller 2013-01-12 14:11:34 +01:00
parent e8b5ad6625
commit cd543aad5e
1 changed files with 40 additions and 0 deletions
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40
ir.c
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@ -3176,6 +3176,42 @@ static bool gen_function_extparam_copy(ir_function *self)
return true;
}
static bool gen_function_varargs_copy(ir_function *self)
{
size_t i, ext, numparams, maxparams;
ir_builder *ir = self->owner;
ir_value *ep;
prog_section_statement stmt;
numparams = vec_size(self->params);
if (!numparams)
return true;
stmt.opcode = INSTR_STORE_V;
stmt.o3.s1 = 0;
maxparams = numparams + self->max_varargs;
for (i = numparams; i < maxparams; ++i) {
if (i <= 8) {
stmt.o1.u1 = OFS_PARM0 + 3*i;
stmt.o2.u1 = ir_value_code_addr(self->locals[i]);
code_push_statement(&stmt, self->context.line);
continue;
}
ext = i - 8;
if (ext >= vec_size(ir->extparams))
ir_gen_extparam(ir);
ep = ir->extparams[ext];
stmt.o1.u1 = ir_value_code_addr(ep);
stmt.o2.u1 = ir_value_code_addr(self->locals[i]);
code_push_statement(&stmt, self->context.line);
}
return true;
}
static bool gen_function_locals(ir_builder *ir, ir_value *global)
{
prog_section_function *def;
@ -3257,6 +3293,10 @@ static bool gen_global_function_code(ir_builder *ir, ir_value *global)
irerror(irfun->context, "Failed to generate extparam-copy code for function %s", irfun->name);
return false;
}
if (irfun->max_varargs && !gen_function_varargs_copy(irfun)) {
irerror(irfun->context, "Failed to generate vararg-copy code for function %s", irfun->name);
return false;
}
if (!gen_function_code(irfun)) {
irerror(irfun->context, "Failed to generate code for function %s", irfun->name);
return false;