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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/gimplify.c | |
| 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/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index bc2000d..5bacb25 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -3297,6 +3297,10 @@ gimplify_call_expr (tree *expr_p, gimple_seq *pre_p, bool want_value) break; } + case BUILT_IN_EH_RETURN: + cfun->calls_eh_return = true; + break; + default: ; } |