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| author | DJ Delorie <dj@redhat.com> | 2011-07-28 18:26:23 -0400 |
|---|---|---|
| committer | DJ Delorie <dj@gcc.gnu.org> | 2011-07-28 18:26:23 -0400 |
| commit | 69135c94b33fe4e0eebe40072f327a4e769848e7 (patch) | |
| tree | 15d7f3142f4aa87ddf7448e66576026bcf9e33bd /gcc | |
| parent | 13a234421d1a68af668600893b31034c36b0a6e4 (diff) | |
| download | gcc-69135c94b33fe4e0eebe40072f327a4e769848e7.zip gcc-69135c94b33fe4e0eebe40072f327a4e769848e7.tar.gz gcc-69135c94b33fe4e0eebe40072f327a4e769848e7.tar.bz2 | |
expr.c (expand_expr_addr_expr_1): Detect a user request for a local frame in a naked function...
* expr.c (expand_expr_addr_expr_1): Detect a user request for a
local frame in a naked function, and produce a suitable error for
that specific case.
From-SVN: r176904
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/expr.c | 11 |
2 files changed, 14 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3711288..015724c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2011-07-28 DJ Delorie <dj@redhat.com> + * expr.c (expand_expr_addr_expr_1): Detect a user request for a + local frame in a naked function, and produce a suitable error for + that specific case. + * config/m32c/m32c.c (m32c_secondary_reload_class): Allow PSI registers to be reloaded in HI classes when the target is HI. @@ -7088,7 +7088,16 @@ expand_expr_addr_expr_1 (tree exp, rtx target, enum machine_mode tmode, /* If the DECL isn't in memory, then the DECL wasn't properly marked TREE_ADDRESSABLE, which will be either a front-end or a tree optimizer bug. */ - gcc_assert (MEM_P (result)); + + if (TREE_ADDRESSABLE (exp) + && ! MEM_P (result) + && ! targetm.calls.allocate_stack_slots_for_args()) + { + error ("local frame unavailable (naked function?)"); + return result; + } + else + gcc_assert (MEM_P (result)); result = XEXP (result, 0); /* ??? Is this needed anymore? */ |