From 33b4151e192552f7de1f9b9bad32e3fc45d48efb Mon Sep 17 00:00:00 2001 From: kenner Date: Fri, 18 Apr 2003 22:39:23 +0000 Subject: * function.c (purge_addressof_1): For ADDRESSOF, see if SUB is a hard or virtual register and copy into pseudo if replacement fails. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@65798 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/function.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'gcc/function.c') diff --git a/gcc/function.c b/gcc/function.c index 699fd21e6d4..b75a07e15a6 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -3052,7 +3052,15 @@ purge_addressof_1 (loc, insn, force, store, may_postpone, ht) return true; start_sequence (); - sub = force_operand (sub, NULL_RTX); + + /* If SUB is a or virtual register, try it as a pseudo-register. + Otherwise, perhaps SUB is an expression, so generate code to compute + it. */ + if (GET_CODE (sub) == REG && REGNO (sub) <= LAST_VIRTUAL_REGISTER) + sub = copy_to_reg (sub); + else + sub = force_operand (sub, NULL_RTX); + if (! validate_change (insn, loc, sub, 0) && ! validate_replace_rtx (x, sub, insn)) abort (); -- cgit v1.2.1