kest_reg_format.c

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#include <stdio.h>
 
#include "kest_int.h"
 
#ifndef PRINTLINES_ALLOWED
#define PRINTLINES_ALLOWED 1
#endif
 
static const char *FNAME = "kest_reg_format.c";
 
int kest_compute_register_formats(kest_block_pll *blocks, kest_expr_scope *scope)
{
    KEST_PRINTF("kest_compute_register_formats\n");
    if (!blocks)
    {
        KEST_PRINTF("kest_compute_register_formats: no blocks!\n");
        return NO_ERROR;
    }
    
    kest_block_pll *current = blocks;
    
    kest_interval range;
    float min, max;
    float abs_min, abs_max;
    float max_abs;
    int format_0, format_1;
    int shift_set;
    float p2;
    
    kest_string string;
    kest_string_init(&string);
    char *str = NULL;
    
    int i = 0;
    while (current)
    {
        if (current->data)
        {
            shift_set = current->data->shift_set;
            format_0 = 0;
            format_1 = 0;
            
            /*
            kest_string_appendf(&string, "kest_compute_register_formats(current->data = %p), shift_set = %d, reg_0_active: %d, reg_1_active: %d\n",
                current->data, shift_set, current->data->reg_0.active, current->data->reg_1.active);
            */
            if (current->data->reg_0.active)
            {
                if (!shift_set && current->data->reg_0.expr)
                    format_0 = kest_expression_compute_format(current->data->reg_0.expr, scope, 8, KEST_FPGA_DATA_WIDTH);
                
                current->data->reg_0.format = format_0;
            }
            
            if (current->data->reg_1.active)
            {
                if (!shift_set && current->data->reg_1.expr)
                    format_1 = kest_expression_compute_format(current->data->reg_1.expr, scope, 8, KEST_FPGA_DATA_WIDTH);
                
                current->data->reg_1.format = format_1;
            }
            
            current->data->shift = format_0 + format_1;
            /*
            str = kest_string_to_native(&string);
            KEST_PRINTF("%s", str);
            kest_free(str);
            kest_string_drain(&string);
            */
        }
        
        current = current->next;
        i++;
    }
    
    kest_string_destroy(&string);
    
    KEST_PRINTF("kest_compute_register_formats done\n");
    
    return NO_ERROR;
}