diff options
| author | shinwell <shinwell@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-06-01 17:10:17 +0000 |
|---|---|---|
| committer | shinwell <shinwell@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-06-01 17:10:17 +0000 |
| commit | 29ed323e2901c6ecd1ac63822e4da84f32f2fec1 (patch) | |
| tree | b457f3897378de7ff917fd8cc860b2588f8ddee3 | |
| parent | a3e6b41ac6482d665206929cf07923684e14a001 (diff) | |
Patch for issue #693.
* gcc/builtins.c (expand_builtin_return_addr): Always use
hard_frame_pointer_rtx and prevent frame pointer elimination
if INITIAL_FRAME_ADDRESS_RTX isn't set.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/csl/sourcerygxx-4_1@114314 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | ChangeLog.csl | 6 | ||||
| -rw-r--r-- | gcc/builtins.c | 20 |
2 files changed, 13 insertions, 13 deletions
diff --git a/ChangeLog.csl b/ChangeLog.csl index 4aa70e39bdd..8a507d4a7ed 100644 --- a/ChangeLog.csl +++ b/ChangeLog.csl @@ -1,5 +1,11 @@ 2006-06-01 Mark Shinwell <shinwell@codesourcery.com> + * gcc/builtins.c (expand_builtin_return_addr): Always use + hard_frame_pointer_rtx and prevent frame pointer elimination + if INITIAL_FRAME_ADDRESS_RTX isn't set. + +2006-06-01 Mark Shinwell <shinwell@codesourcery.com> + * gcc/tree.h: Declare folding_initializer. * gcc/builtins.c (fold_builtin_constant_p): Give definite answer if folding inside an initializer. diff --git a/gcc/builtins.c b/gcc/builtins.c index 3b2675ae311..2396b6df848 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -496,20 +496,14 @@ expand_builtin_return_addr (enum built_in_function fndecl_code, int count) #else rtx tem; - /* For a zero count, we don't care what frame address we return, so frame - pointer elimination is OK, and using the soft frame pointer is OK. - For a non-zero count, we require a stable offset from the current frame - pointer to the previous one, so we must use the hard frame pointer, and - we must disable frame pointer elimination. */ - if (count == 0) - tem = frame_pointer_rtx; - else - { - tem = hard_frame_pointer_rtx; + /* We require a stable offset from the current frame pointer to the + previous one, so we must use the hard frame pointer, and we must + disable frame pointer elimination. */ - /* Tell reload not to eliminate the frame pointer. */ - current_function_accesses_prior_frames = 1; - } + tem = hard_frame_pointer_rtx; + + /* Tell reload not to eliminate the frame pointer. */ + current_function_accesses_prior_frames = 1; #endif /* Some machines need special handling before we can access |