* Claudiu Zissulescu <claudiu.zissule...@synopsys.com> [2017-03-20 12:43:30 +0100]:
> Durring compilation process, (subreg (mem ...) ...) can occur. Hence, > we need to check if the address of mem is a valid one. This patch is > fixing this check by directly calling the address_operand, instead of > calling move_double_src_operand, as the latter is always checking > against the original mode, thus, returning false when the inner and > outer modes are different. > > gcc/ > 2016-10-07 Claudiu Zissulescu <claz...@synopsys.com> > > * config/arc/predicates.md (move_double_src_operand): Replace the > call to move_double_src_operand with a call to > address_operand. Sounds good, thanks, Andrew > --- > gcc/config/arc/predicates.md | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/gcc/config/arc/predicates.md b/gcc/config/arc/predicates.md > index 8dd8d55..9e60cb7 100644 > --- a/gcc/config/arc/predicates.md > +++ b/gcc/config/arc/predicates.md > @@ -318,7 +318,7 @@ > /* (subreg (mem ...) ...) can occur here if the inner part was once a > pseudo-reg and is now a stack slot. */ > if (GET_CODE (SUBREG_REG (op)) == MEM) > - return move_double_src_operand (SUBREG_REG (op), mode); > + return address_operand (XEXP (SUBREG_REG (op), 0), mode); > else > return register_operand (op, mode); > case MEM : > -- > 1.9.1 >
