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| author | Jakub Jelinek <jakub@redhat.com> | 2007-09-11 15:40:14 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2007-09-11 15:40:14 +0200 |
| commit | ab0e176c5b252f6cf61e520b36f6c0d313a3281d (patch) | |
| tree | 79484e03a465253f9b84c8b8966f361bbe454ca5 /gcc/builtins.c | |
| parent | e6ebd07f479b258643f61e4b49dc954b336142d5 (diff) | |
| download | gcc-ab0e176c5b252f6cf61e520b36f6c0d313a3281d.zip gcc-ab0e176c5b252f6cf61e520b36f6c0d313a3281d.tar.gz gcc-ab0e176c5b252f6cf61e520b36f6c0d313a3281d.tar.bz2 | |
builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin.
* builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin.
* builtins.c (expand_builtin) <case BUILT_IN_VA_ARG_PACK_LEN>: Issue
error if __builtin_va_arg_pack_len () wasn't optimized out during
inlining.
* tree-inline.c (copy_bb): Replace __builtin_va_arg_pack_len ()
with the number of inline's anonymous arguments.
* doc/extend.texi: Document __builtin_va_arg_pack_len ().
* gcc.dg/va-arg-pack-len-1.c: New test.
* g++.dg/va-arg-pack-len-1.C: New test.
From-SVN: r128376
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index a0b1e2f..50d4b62 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -6276,6 +6276,12 @@ expand_builtin (tree exp, rtx target, rtx subtarget, enum machine_mode mode, error ("invalid use of %<__builtin_va_arg_pack ()%>"); return const0_rtx; + case BUILT_IN_VA_ARG_PACK_LEN: + /* All valid uses of __builtin_va_arg_pack_len () are removed during + inlining. */ + error ("invalid use of %<__builtin_va_arg_pack_len ()%>"); + return const0_rtx; + /* Return the address of the first anonymous stack arg. */ case BUILT_IN_NEXT_ARG: if (fold_builtin_next_arg (exp, false)) |