[PATCH 2/5] Tighten condition for converting SUBREG reloads from OP_OUT to OP_INOUT

[Matthew Fortune]

Matthew Fortune <Matthew.Fortune@imgtec.com> writes:
> This change addresses a comment from Richard Sandiford in:
> https://gcc.gnu.org/ml/gcc-patches/2015-01/msg02165.html
> 
> where a previous fix was over eager in converting OP_OUT reloads to
> OP_INOUT.
> 
> No testcase here either but I will try and exercise this code later with
> a targeted test using the RTL frontend if possible.
> 
> Thanks,
> Matthew
> 
> gcc/
> 	PR target/78660
> 	* lra-constraints.c (curr_insn_transform): Tighten condition
> 	for converting SUBREG reloads from OP_OUT to OP_INOUT.

Committed as r245599.

Thanks,
Matthew