diff options
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 36 |
1 files changed, 6 insertions, 30 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index a70830ce304..2d94cb6287d 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -2061,36 +2061,12 @@ expand_call (exp, target, ignore) } else if (pcc_struct_value) { - if (target == 0) - { - /* We used leave the value in the location that it is - returned in, but that causes problems if it is used more - than once in one expression. Rather than trying to track - when a copy is required, we always copy when TARGET is - not specified. This calling sequence is only used on - a few machines and TARGET is usually nonzero. */ - if (TYPE_MODE (TREE_TYPE (exp)) == BLKmode) - { - target = assign_stack_temp (BLKmode, - int_size_in_bytes (TREE_TYPE (exp)), - 0); - - MEM_IN_STRUCT_P (target) = AGGREGATE_TYPE_P (TREE_TYPE (exp)); - - /* Save this temp slot around the pop below. */ - preserve_temp_slots (target); - } - else - target = gen_reg_rtx (TYPE_MODE (TREE_TYPE (exp))); - } - - if (TYPE_MODE (TREE_TYPE (exp)) != BLKmode) - emit_move_insn (target, gen_rtx (MEM, TYPE_MODE (TREE_TYPE (exp)), - copy_to_reg (valreg))); - else - emit_block_move (target, gen_rtx (MEM, BLKmode, copy_to_reg (valreg)), - expr_size (exp), - TYPE_ALIGN (TREE_TYPE (exp)) / BITS_PER_UNIT); + /* This is the special C++ case where we need to + know what the true target was. We take care to + never use this value more than once in one expression. */ + target = gen_rtx (MEM, TYPE_MODE (TREE_TYPE (exp)), + copy_to_reg (valreg)); + MEM_IN_STRUCT_P (target) = AGGREGATE_TYPE_P (TREE_TYPE (exp)); } /* Handle calls that return values in multiple non-contiguous locations. The Irix 6 ABI has examples of this. */ |