diff options
| -rw-r--r-- | arm-gen.c | 22 |
1 files changed, 16 insertions, 6 deletions
@@ -979,10 +979,12 @@ static int assign_regs(int nb_args, int variadic, struct plan *plan, int *todo) nb_args: number of parameters the function take plan: the overall assignment plan for parameters - todo: a bitmap indicating what core reg will hold a parameter */ -static void copy_params(int nb_args, struct plan *plan, int todo) + todo: a bitmap indicating what core reg will hold a parameter + + Returns the number of SValue added by this function on the value stack */ +static int copy_params(int nb_args, struct plan *plan, int todo) { - int size, align, r, i; + int size, align, r, i, nb_extra_sval = 0; struct param_plan *pplan; /* Several constraints require parameters to be copied in a specific order: @@ -1111,11 +1113,19 @@ static void copy_params(int nb_args, struct plan *plan, int todo) if(todo) { o(0xE8BD0000|todo); /* pop {todo} */ for(pplan = plan->clsplans[CORE_STRUCT_CLASS]; pplan; pplan = pplan->prev) { + int r; pplan->sval->r = pplan->start; - if ((pplan->sval->type.t & VT_BTYPE) == VT_LLONG) - pplan->sval->r2 = pplan->end; + /* TODO: why adding fake param */ + for (r = pplan->start + 1; r <= pplan->end; r++) { + if (todo & (1 << r)) { + nb_extra_sval++; + vpushi(0); + vtop->r = r; + } + } } } + return nb_extra_sval; } /* Generate function call. The function address is pushed first, then @@ -1158,7 +1168,7 @@ void gfunc_call(int nb_args) } #endif - copy_params(nb_args, &plan, todo); + nb_args += copy_params(nb_args, &plan, todo); tcc_free(plan.pplans); /* Move fct SValue on top as required by gcall_or_jmp */ |