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authoraldyh <aldyh@138bc75d-0d04-0410-961f-82ee72b054a4>2011-07-27 13:22:09 +0000
committeraldyh <aldyh@138bc75d-0d04-0410-961f-82ee72b054a4>2011-07-27 13:22:09 +0000
commit4bb60ec7c74253ba77870bceced0e3fb31cf39d2 (patch)
treeefd1ef13f8faacffa0a54f18314494501d46696b /gcc/stmt.c
parent297effe4a0af07893bba126c94f447e91da63474 (diff)
downloadgcc-4bb60ec7c74253ba77870bceced0e3fb31cf39d2.tar.gz
* 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@176824 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/stmt.c')
-rw-r--r--gcc/stmt.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/stmt.c b/gcc/stmt.c
index 38e1e285234..2fb4b18dd55 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -1759,7 +1759,8 @@ expand_return (tree retval)
/* Use bitpos for the source extraction (left justified) and
xbitpos for the destination store (right justified). */
- store_bit_field (dst, bitsize, xbitpos % BITS_PER_WORD, word_mode,
+ store_bit_field (dst, bitsize, xbitpos % BITS_PER_WORD,
+ 0, 0, word_mode,
extract_bit_field (src, bitsize,
bitpos % BITS_PER_WORD, 1, false,
NULL_RTX, word_mode, word_mode));