> Could anybody pls advise, if I can detect that given RTL `call` is > actually a setjmp ()? > > I see no references in dump... > (call_insn 6 5 7 (set (reg:SI 0 ax) > (call (mem:QI (symbol_ref:DI ("_setjmp") [flags 0x41] > <function_decl 0x7f6ede1e0000 _setjmp>) [0 _setjmp S1 A8]) > (const_int 0 [0]))) 4.c:17 -1 > (expr_list:REG_SETJMP (const_int 0 [0]) > (expr_list:REG_EH_REGION (const_int 0 [0]) > (nil))) > (expr_list:REG_FRAME_RELATED_EXPR (use (reg:DI 5 di)) > (nil)))
Isn't the REG_SETJMP note sufficient for this purpose? -- Eric Botcazou