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-rw-r--r--gcc/function.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/gcc/function.c b/gcc/function.c
index 9e65bfd0129..361a8dce197 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -2577,14 +2577,12 @@ assign_parm_find_stack_rtl (tree parm, struct assign_parm_data_one *data)
&& data->promoted_mode != DECL_MODE (parm))
{
set_mem_size (stack_parm, GET_MODE_SIZE (data->promoted_mode));
- if (MEM_EXPR (stack_parm) && MEM_OFFSET (stack_parm))
+ if (MEM_EXPR (stack_parm) && MEM_OFFSET_KNOWN_P (stack_parm))
{
int offset = subreg_lowpart_offset (DECL_MODE (parm),
data->promoted_mode);
if (offset)
- set_mem_offset (stack_parm,
- plus_constant (MEM_OFFSET (stack_parm),
- -offset));
+ set_mem_offset (stack_parm, MEM_OFFSET (stack_parm) - offset);
}
}
}
@@ -3198,10 +3196,9 @@ assign_parm_setup_stack (struct assign_parm_data_all *all, tree parm,
/* ??? This may need a big-endian conversion on sparc64. */
data->stack_parm
= adjust_address (data->stack_parm, data->nominal_mode, 0);
- if (offset && MEM_OFFSET (data->stack_parm))
+ if (offset && MEM_OFFSET_KNOWN_P (data->stack_parm))
set_mem_offset (data->stack_parm,
- plus_constant (MEM_OFFSET (data->stack_parm),
- offset));
+ MEM_OFFSET (data->stack_parm) + offset);
}
}