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| author | Aldy Hernandez <aldyh@redhat.com> | 2011-07-27 13:22:09 +0000 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@gcc.gnu.org> | 2011-07-27 13:22:09 +0000 |
| commit | 1169e45d2716d769be78cf38bcea449414e6ce75 (patch) | |
| tree | efd1ef13f8faacffa0a54f18314494501d46696b /gcc/params.def | |
| parent | 4f13e17fff3c787928f674a9ba26fd5517fc387d (diff) | |
| download | gcc-1169e45d2716d769be78cf38bcea449414e6ce75.zip gcc-1169e45d2716d769be78cf38bcea449414e6ce75.tar.gz gcc-1169e45d2716d769be78cf38bcea449414e6ce75.tar.bz2 | |
params.h (ALLOW_STORE_DATA_RACES): New.
* params.h (ALLOW_STORE_DATA_RACES): New.
* params.def (PARAM_ALLOW_STORE_DATA_RACES): New.
* Makefile.in (expr.o): Depend on PARAMS_H.
* machmode.h (get_best_mode): Add argument.
* fold-const.c (optimize_bit_field_compare): Add argument to
get_best_mode.
(fold_truthop): Same.
* ifcvt.c (noce_emit_move_insn): Add argument to store_bit_field.
* expr.c (emit_group_store): Same.
(copy_blkmode_from_reg): Same.
(write_complex_part): Same.
(optimize_bitfield_assignment_op): Add argument.
Add argument to get_best_mode.
(get_bit_range): New.
(expand_assignment): Calculate maxbits and pass it down
accordingly.
(store_field): New argument.
(expand_expr_real_2): New argument to store_field.
Include params.h.
* expr.h (store_bit_field): New argument.
* stor-layout.c (get_best_mode): Restrict mode expansion by taking
into account maxbits.
* calls.c (store_unaligned_arguments_into_pseudos): New argument
to store_bit_field.
* expmed.c (store_bit_field_1): New argument. Use it.
(store_bit_field): Same.
(store_fixed_bit_field): Same.
(store_split_bit_field): Same.
(extract_bit_field_1): Pass new argument to get_best_mode.
(extract_bit_field): Same.
* stmt.c (store_bit_field): Pass new argument to store_bit_field.
* doc/invoke.texi: Document parameter allow-store-data-races.
From-SVN: r176824
Diffstat (limited to 'gcc/params.def')
| -rw-r--r-- | gcc/params.def | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/params.def b/gcc/params.def index 6bfb40f..e8372ed 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -908,6 +908,12 @@ DEFPARAM (PARAM_CASE_VALUES_THRESHOLD, "if 0, use the default for the machine", 0, 0, 0) +/* Data race flags for C++0x memory model compliance. */ +DEFPARAM (PARAM_ALLOW_STORE_DATA_RACES, + "allow-store-data-races", + "Allow new data races on stores to be introduced", + 1, 0, 1) + /* Local variables: |