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| author | Andrew Pinski <andrew_pinski@playstation.sony.com> | 2008-06-25 02:24:24 +0000 |
|---|---|---|
| committer | Andrew Pinski <pinskia@gcc.gnu.org> | 2008-06-24 19:24:24 -0700 |
| commit | d249210298a466b4d143f01d15ac732ba2cb478e (patch) | |
| tree | b1c79c0d5b50c363524b4fffb1fb384a4f0ee977 /gcc | |
| parent | 917db97b023775f3031e99040ed9d058ffdcbd21 (diff) | |
| download | gcc-d249210298a466b4d143f01d15ac732ba2cb478e.zip gcc-d249210298a466b4d143f01d15ac732ba2cb478e.tar.gz gcc-d249210298a466b4d143f01d15ac732ba2cb478e.tar.bz2 | |
rs6000.c (rs6000_emit_epilogue): Set use_backchain_to_restore_sp to true if...
2008-06-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
use_backchain_to_restore_sp to true
if the offset of the link register save area would go over the 32k - 1
offset limit of the load
instructions.
From-SVN: r137097
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 90b7966..2108a87 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2008-06-24 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set + use_backchain_to_restore_sp to true + if the offset of the link register save area would go over the 32k - 1 + offset limit of the load + instructions. + 2008-06-25 Hans-Peter Nilsson <hp@axis.com> * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 66e4b51..68280a5 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -16313,6 +16313,9 @@ rs6000_emit_epilogue (int sibcall) frame pointer for alloca, but the generic parts of the compiler give us one anyway. */ use_backchain_to_restore_sp = (info->total_size > 32767 + || info->total_size + + (info->lr_save_p ? info->lr_save_offset : 0) + > 32767 || (cfun->calls_alloca && !frame_pointer_needed)); |