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| author | Aaron Sawdey <acsawdey@linux.ibm.com> | 2019-10-02 14:23:51 +0000 |
|---|---|---|
| committer | Aaron Sawdey <acsawdey@gcc.gnu.org> | 2019-10-02 09:23:51 -0500 |
| commit | 03a9b90aa6df28dde083efd17e8b7ae76b943fe7 (patch) | |
| tree | cf2c7debb8c890c231f2b9b46d142d78e10e2f4c /gcc/expr.h | |
| parent | 629387a6586a753166f5cf53d587026a34362523 (diff) | |
| download | gcc-03a9b90aa6df28dde083efd17e8b7ae76b943fe7.zip gcc-03a9b90aa6df28dde083efd17e8b7ae76b943fe7.tar.gz gcc-03a9b90aa6df28dde083efd17e8b7ae76b943fe7.tar.bz2 | |
builtins.c (expand_builtin_memory_copy_args): Add might_overlap parm.
2019-10-02 Aaron Sawdey <acsawdey@linux.ibm.com>
* builtins.c (expand_builtin_memory_copy_args): Add might_overlap parm.
(expand_builtin_memcpy): Use might_overlap parm.
(expand_builtin_mempcpy_args): Use might_overlap parm.
(expand_builtin_memmove): Call expand_builtin_memory_copy_args.
(expand_builtin_memory_copy_args): Add might_overlap parm.
* expr.c (emit_block_move_via_cpymem): Rename to
emit_block_move_via_pattern, add might_overlap parm, use cpymem
or movmem optab as appropriate.
(emit_block_move_hints): Add might_overlap parm, do the right
thing for might_overlap==true.
* expr.h (emit_block_move_hints): Update prototype.
From-SVN: r276461
Diffstat (limited to 'gcc/expr.h')
| -rw-r--r-- | gcc/expr.h | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -116,7 +116,8 @@ extern rtx emit_block_move_hints (rtx, rtx, rtx, enum block_op_methods, unsigned HOST_WIDE_INT, unsigned HOST_WIDE_INT, bool bail_out_libcall = false, - bool *is_move_done = NULL); + bool *is_move_done = NULL, + bool might_overlap = false); extern rtx emit_block_cmp_hints (rtx, rtx, rtx, tree, rtx, bool, by_pieces_constfn, void *); extern bool emit_storent_insn (rtx to, rtx from); |