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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/fold-const.c | |
| 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/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 889a92c..736b5ca 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -3394,7 +3394,7 @@ optimize_bit_field_compare (location_t loc, enum tree_code code, && flag_strict_volatile_bitfields > 0) nmode = lmode; else - nmode = get_best_mode (lbitsize, lbitpos, + nmode = get_best_mode (lbitsize, lbitpos, 0, 0, const_p ? TYPE_ALIGN (TREE_TYPE (linner)) : MIN (TYPE_ALIGN (TREE_TYPE (linner)), TYPE_ALIGN (TREE_TYPE (rinner))), @@ -5221,7 +5221,7 @@ fold_truthop (location_t loc, enum tree_code code, tree truth_type, to be relative to a field of that size. */ first_bit = MIN (ll_bitpos, rl_bitpos); end_bit = MAX (ll_bitpos + ll_bitsize, rl_bitpos + rl_bitsize); - lnmode = get_best_mode (end_bit - first_bit, first_bit, + lnmode = get_best_mode (end_bit - first_bit, first_bit, 0, 0, TYPE_ALIGN (TREE_TYPE (ll_inner)), word_mode, volatilep); if (lnmode == VOIDmode) @@ -5286,7 +5286,7 @@ fold_truthop (location_t loc, enum tree_code code, tree truth_type, first_bit = MIN (lr_bitpos, rr_bitpos); end_bit = MAX (lr_bitpos + lr_bitsize, rr_bitpos + rr_bitsize); - rnmode = get_best_mode (end_bit - first_bit, first_bit, + rnmode = get_best_mode (end_bit - first_bit, first_bit, 0, 0, TYPE_ALIGN (TREE_TYPE (lr_inner)), word_mode, volatilep); if (rnmode == VOIDmode) |