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| author | ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-02-01 01:09:35 +0000 |
|---|---|---|
| committer | ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-02-01 01:09:35 +0000 |
| commit | 1a6a0f2a8b031758448b9f00219811342cb433a1 (patch) | |
| tree | ef18ae23759d8cebf30524fd23a40023979adb9e /gcc/common.opt | |
| parent | ae8bbff506d08a4a512f533c0e9e916ee44dd205 (diff) | |
| download | gcc-1a6a0f2a8b031758448b9f00219811342cb433a1.tar.gz | |
gcc/:
* lower-subreg.c: New file.
* rtl.def (CONCATN): Define.
* passes.c (init_optimization_passes): Add pass_lower_subreg and
pass_lower_subreg2.
* emit-rtl.c (update_reg_offset): New static function, broken out
of gen_rtx_REG_offset.
(gen_rtx_REG_offset): Call update_reg_offset.
(gen_reg_rtx_offset): New function.
* regclass.c: Revert patch of 2006-03-05, restoring
reg_scan_update.
(clear_reg_info_regno): New function.
* dwarf2out.c (concatn_loc_descriptor): New static function.
(loc_descriptor): Handle CONCATN.
* common.opt (fsplit_wide_types): New option.
* opts.c (decode_options): Set flag_split_wide_types when
optimizing.
* timevar.def (TV_LOWER_SUBREG): Define.
* rtl.h (gen_reg_rtx_offset): Declare.
(reg_scan_update): Declare.
* regs.h (clear_reg_info_regno): Declare.
* tree-pass.h (pass_lower_subreg): Declare.
(pass_lower_subreg2): Declare.
* doc/invoke.texi (Option Summary): List -fno-split-wide-types.
(Optimize Options): Add -fsplit-wide-types to -O1 list. Document
-fsplit-wide-types.
* doc/rtl.texi (Regs and Memory): Document concat and concatn.
* Makefile.in (OBJS-common): Add lower-subreg.o.
(lower-subreg.o): New target.
gcc/testsuite/:
* gcc.dg/lower-subreg-1.c (test): New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121453 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/common.opt')
| -rw-r--r-- | gcc/common.opt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/common.opt b/gcc/common.opt index 0f6f7ec16c5..0f1020c157f 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -1,6 +1,6 @@ ; Options for the language- and target-independent parts of the compiler. -; Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +; Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. ; ; This file is part of GCC. ; @@ -861,6 +861,10 @@ fsplit-ivs-in-unroller Common Report Var(flag_split_ivs_in_unroller) Init(1) Split lifetimes of induction variables when loops are unrolled +fsplit-wide-types +Common Report Var(flag_split_wide_types) +Split wide types into independent registers + fvariable-expansion-in-unroller Common Report Var(flag_variable_expansion_in_unroller) Apply variable expansion when loops are unrolled |