From 9defc9b7ac96fd51c70aff0e452c753d1f6159b3 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 21 Sep 2001 13:26:44 -0700 Subject: rtl.h (LCT_RETURNS_TWICE): New. * rtl.h (LCT_RETURNS_TWICE): New. * calls.c (emit_call_1): Set current_function_calls_setjmp for ECF_RETURNS_TWICE. (emit_library_call_value_1): Map LCT_RETURNS_TWICE to ECF_RETURNS_TWICE. * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for call to setjmp. * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc. * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New. (JMP_BUF_SIZE): New. From-SVN: r45736 --- gcc/calls.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'gcc/calls.c') diff --git a/gcc/calls.c b/gcc/calls.c index f21160f..f2b1bdb 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -613,8 +613,11 @@ emit_call_1 (funexp, fndecl, funtype, stack_size, rounded_stack_size, REG_NOTES (call_insn)); if (ecf_flags & ECF_RETURNS_TWICE) - REG_NOTES (call_insn) = gen_rtx_EXPR_LIST (REG_SETJMP, const0_rtx, - REG_NOTES (call_insn)); + { + REG_NOTES (call_insn) = gen_rtx_EXPR_LIST (REG_SETJMP, const0_rtx, + REG_NOTES (call_insn)); + current_function_calls_setjmp = 1; + } SIBLING_CALL_P (call_insn) = ((ecf_flags & ECF_SIBCALL) != 0); @@ -3531,6 +3534,9 @@ emit_library_call_value_1 (retval, orgfun, value, fn_type, outmode, nargs, p) case LCT_ALWAYS_RETURN: flags = ECF_ALWAYS_RETURN; break; + case LCT_RETURNS_TWICE: + flags = ECF_RETURNS_TWICE; + break; } fun = orgfun; -- cgit v1.1