gcc 的gimple 调试

正常情况下,外部parser的语句均要求以 add_stmt 添加

 

Breakpoint 9, add_stmt (t=0xf7ecf1b0) at /net1/home/zhongyunde/6183_hcc/gcc/gcc-4.7.0/gcc/c-decl.c:541
541       enum tree_code code = TREE_CODE (t);
(gdb) p t
$17 = (tree) 0xf7ecf1b0
(gdb) p debug_generic_expr(t)
float ad0;
$18 = void

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