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| author | Alan Modra <amodra@gmail.com> | 2011-08-04 12:41:02 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gcc.gnu.org> | 2011-08-04 12:41:02 +0930 |
| commit | ea6c2b0e960aa4be55b65a4f4954ac7b461d4b55 (patch) | |
| tree | 7e057cca1159c0f4f38b10fe1b8861944bcb50eb /gcc | |
| parent | c7c2e8316cc7cc99d8dfc9aa166e7af1b0b14516 (diff) | |
| download | gcc-ea6c2b0e960aa4be55b65a4f4954ac7b461d4b55.zip gcc-ea6c2b0e960aa4be55b65a4f4954ac7b461d4b55.tar.gz gcc-ea6c2b0e960aa4be55b65a4f4954ac7b461d4b55.tar.bz2 | |
rs6000.c (rs6000_emit_epilogue): Simplify use_backchain_to_restore_sp initialisation.
* config/rs6000/rs6000.c (rs6000_emit_epilogue): Simplify
use_backchain_to_restore_sp initialisation.
(rs6000_legitimate_offset_address_p): Simplify offset test.
From-SVN: r177309
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 7 |
2 files changed, 8 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 60ee93a..923e8c9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-08-04 Alan Modra <amodra@gmail.com> + + * config/rs6000/rs6000.c (rs6000_emit_epilogue): Simplify + use_backchain_to_restore_sp initialisation. + (rs6000_legitimate_offset_address_p): Simplify offset test. + 2011-08-03 Richard Henderson <rth@redhat.com> * config/spu/spu.md: Use define_c_enum instead of define_constants. diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 2996513..a1141f1 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -5392,7 +5392,7 @@ rs6000_legitimate_offset_address_p (enum machine_mode mode, rtx x, int strict) } offset += 0x8000; - return (offset < 0x10000) && (offset + extra < 0x10000); + return offset < 0x10000 - extra; } bool @@ -20712,10 +20712,7 @@ rs6000_emit_epilogue (int sibcall) here will not trigger at the moment; We don't actually need a 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 + use_backchain_to_restore_sp = (info->total_size > 32767 - info->lr_save_offset || (cfun->calls_alloca && !frame_pointer_needed)); restore_lr = (info->lr_save_p |