diff options
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index e3d557fe809..4d82afb6885 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -2239,7 +2239,8 @@ reset_used_decls (blk) } /* Similar to `copy_rtx' except that if MAY_SHARE is present, it is - placed in the result directly, rather than being copied. */ + placed in the result directly, rather than being copied. MAY_SHARE is + either a MEM of an EXPR_LIST of MEMs. */ rtx copy_most_rtx (orig, may_share) @@ -2251,7 +2252,9 @@ copy_most_rtx (orig, may_share) RTX_CODE code; const char *format_ptr; - if (orig == may_share) + if (orig == may_share + || (GET_CODE (may_share) == EXPR_LIST + && in_expr_list_p (may_share, orig))) return orig; code = GET_CODE (orig); |
