Peter Bergner wrote:
> If we look at rs6000_mode_dependent_address(), it accepts some addresses
> as not being mode dependent:
>
> case PLUS:
> /* Any offset from virtual_stack_vars_rtx and arg_pointer_rtx
> is considered a legitimate address before reload, so there
>
On Mon, Mar 06, 2017 at 12:16:58PM -0600, Peter Bergner wrote:
[ big snip, thanks for the thorough explanation! ]
> The following patch passes bootstrap and regtesting on powerpc64le-linux.
> Ok for the GCC 6 branch?
Please also test on BE and 32-bit.
> We don't hit this on trunk, because we're
PR78543 has two related test cases that have similar insns that need
reloading (pseudo 185 in this case) due to spills:
(insn 142 144 146 20 (parallel [
(set (reg:HI 4 4 [orig:260 p ] [260])
(bswap:HI (subreg/s/v:HI (reg:DI 185 [ load_dst_59 ]) 0)))
(clobber
