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riscv-gcc-1
Commit ccdecf58 by Richard Kenner
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(assign_parms, expand_function_start): Properly set MEM_IN_STRUCT_P 

for DECL_RTL of function result.

From-SVN: r6791
parent d4c60bd6
Showing with 21 additions and 4 deletions
gcc/function.c
......@@ -3707,8 +3707,19 @@ assign_parms (fndecl, second_time)
/* If this "parameter" was the place where we are receiving the
function's incoming structure pointer, set up the result. */
if (parm == function_result_decl)
DECL_RTL (DECL_RESULT (fndecl))
= gen_rtx (MEM, DECL_MODE (DECL_RESULT (fndecl)), DECL_RTL (parm));
{
tree result = DECL_RESULT (fndecl);
tree restype = TREE_TYPE (result);
DECL_RTL (result)
= gen_rtx (MEM, DECL_MODE (result), DECL_RTL (parm));
MEM_IN_STRUCT_P (DECL_RTL (result))
= (TREE_CODE (restype) == RECORD_TYPE
|| TREE_CODE (restype) == UNION_TYPE
|| TREE_CODE (restype) == QUAL_UNION_TYPE
|| TREE_CODE (restype) == ARRAY_TYPE);
}
if (TREE_THIS_VOLATILE (parm))
MEM_VOLATILE_P (DECL_RTL (parm)) = 1;
......@@ -4889,9 +4900,15 @@ expand_function_start (subr, parms_have_cleanups)
}
}
if (value_address)
{
DECL_RTL (DECL_RESULT (subr))
= gen_rtx (MEM, DECL_MODE (DECL_RESULT (subr)),
value_address);
= gen_rtx (MEM, DECL_MODE (DECL_RESULT (subr)), value_address);
MEM_IN_STRUCT_P (DECL_RTL (DECL_RESULT (subr)))
= (TREE_CODE (TREE_TYPE (DECL_RESULT (subr))) == RECORD_TYPE
|| TREE_CODE (TREE_TYPE (DECL_RESULT (subr))) == UNION_TYPE
|| TREE_CODE (TREE_TYPE (DECL_RESULT (subr))) == QUAL_UNION_TYPE
|| TREE_CODE (TREE_TYPE (DECL_RESULT (subr))) == ARRAY_TYPE);
}
}
else if (DECL_MODE (DECL_RESULT (subr)) == VOIDmode)
/* If return mode is void, this decl rtl should not be used. */
......
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