diff options
Diffstat (limited to 'gcc/var-tracking.c')
| -rw-r--r-- | gcc/var-tracking.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c index 266f11f..aab9833 100644 --- a/gcc/var-tracking.c +++ b/gcc/var-tracking.c @@ -5732,11 +5732,18 @@ prepare_call_arguments (basic_block bb, rtx insn) call_arguments = gen_rtx_EXPR_LIST (VOIDmode, item, call_arguments); if (t && t != void_list_node) { - enum machine_mode mode = TYPE_MODE (TREE_VALUE (t)); - rtx reg = targetm.calls.function_arg (&args_so_far, mode, - TREE_VALUE (t), true); - if (TREE_CODE (TREE_VALUE (t)) == REFERENCE_TYPE - && INTEGRAL_TYPE_P (TREE_TYPE (TREE_VALUE (t))) + tree argtype = TREE_VALUE (t); + enum machine_mode mode = TYPE_MODE (argtype); + rtx reg; + if (pass_by_reference (&args_so_far, mode, argtype, true)) + { + argtype = build_pointer_type (argtype); + mode = TYPE_MODE (argtype); + } + reg = targetm.calls.function_arg (&args_so_far, mode, + argtype, true); + if (TREE_CODE (argtype) == REFERENCE_TYPE + && INTEGRAL_TYPE_P (TREE_TYPE (argtype)) && reg && REG_P (reg) && GET_MODE (reg) == mode @@ -5747,7 +5754,7 @@ prepare_call_arguments (basic_block bb, rtx insn) && item) { enum machine_mode indmode - = TYPE_MODE (TREE_TYPE (TREE_VALUE (t))); + = TYPE_MODE (TREE_TYPE (argtype)); rtx mem = gen_rtx_MEM (indmode, x); cselib_val *val = cselib_lookup (mem, indmode, 0, VOIDmode); if (val && cselib_preserved_value_p (val)) @@ -5784,7 +5791,7 @@ prepare_call_arguments (basic_block bb, rtx insn) } } targetm.calls.function_arg_advance (&args_so_far, mode, - TREE_VALUE (t), true); + argtype, true); t = TREE_CHAIN (t); } } |