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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/expr.c | 10 |
2 files changed, 15 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8b1d3de..ee29a5a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2002-09-16 Richard Henderson <rth@redhat.com> + * expr.c (emit_block_move): Set memory block size as appropriate + for the copy. + +2002-09-16 Richard Henderson <rth@redhat.com> + PR fortran/3924 * sdbout.c (sdbout_symbol): Don't handle offsets from a symbol. @@ -1733,6 +1733,16 @@ emit_block_move (x, y, size, method) if (size == 0) abort (); + /* Set MEM_SIZE as appropriate for this block copy. The main place this + can be incorrect is coming from __builtin_memcpy. */ + if (GET_CODE (size) == CONST_INT) + { + x = shallow_copy_rtx (x); + y = shallow_copy_rtx (y); + set_mem_size (x, size); + set_mem_size (y, size); + } + if (GET_CODE (size) == CONST_INT && MOVE_BY_PIECES_P (INTVAL (size), align)) move_by_pieces (x, y, INTVAL (size), align); else if (emit_block_move_via_movstr (x, y, size, align)) |