260   int x, y, dx, dy, yy, xx;  in draw_line_xmmx()  local
267   dx = x2 - x1;  in draw_line_xmmx()
278     dx = x2 - x1;  in draw_line_xmmx()
283   if (dx == 0) {  in draw_line_xmmx()
323     if (dy > dx) {  in draw_line_xmmx()
324       dx = ((dx << 16) / dy);  in draw_line_xmmx()
334         x += dx;  in draw_line_xmmx()
340       dy = ((dy << 16) / dx);  in draw_line_xmmx()
360     if (-dy > dx) {  in draw_line_xmmx()
361       dx = ((dx << 16) / -dy);  in draw_line_xmmx()
371         x += dx;  in draw_line_xmmx()
377       dy = ((dy << 16) / dx);  in draw_line_xmmx()