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| author | Jakub Jelinek <jakub@redhat.com> | 2019-05-20 23:33:46 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-05-20 23:33:46 +0200 |
| commit | 500e4868bf5c89a3136fb329293872d29632ffad (patch) | |
| tree | 0176007982f06d3562abe18ff9dd21f58bf4643a /gcc/function.h | |
| parent | 3e03ed662651dada81e39d8850da82e80f54fd2d (diff) | |
| download | gcc-500e4868bf5c89a3136fb329293872d29632ffad.zip gcc-500e4868bf5c89a3136fb329293872d29632ffad.tar.gz gcc-500e4868bf5c89a3136fb329293872d29632ffad.tar.bz2 | |
re PR c++/59813 (tail-call elimination didn't fire for left-shift of char to cout)
PR c++/59813
PR target/90418
* function.h (struct function): Add calls_eh_return member.
* gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
gimplifying __builtin_eh_return call.
* tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
to cfun.
(expand_call_inline): Or in src_cfun->calls_eh_return into
dst_cfun->calls_eh_return.
* tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
cfun->calls_eh_return.
* lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
* lto-streamer-out.c (output_struct_function_base): Write
calls_eh_return.
From-SVN: r271440
Diffstat (limited to 'gcc/function.h')
| -rw-r--r-- | gcc/function.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/function.h b/gcc/function.h index cef093c..bfe9919 100644 --- a/gcc/function.h +++ b/gcc/function.h @@ -327,6 +327,9 @@ struct GTY(()) function { either as a subroutine or builtin. */ unsigned int calls_alloca : 1; + /* Nonzero if function being compiled can call __builtin_eh_return. */ + unsigned int calls_eh_return : 1; + /* Nonzero if function being compiled receives nonlocal gotos from nested functions. */ unsigned int has_nonlocal_label : 1; |