On 29 July 2014 16:25, Jiong Wang wrote:
> gcc/
> * config/aarch64/aarch64.md (loadwb_pair_): Fix offset.
> (loadwb_pair_): Likewise.
> * config/aarch64/aarch64.c (aarch64_gen_loadwb_pair): Likewise.
OK
/Marcus
on aarch64, we are using load register pair post-writeback instruction in
epilogue.
for example, for the following instruction:
ldp, x0, x1, [sp], #16
what it's doing is:
x0 <- MEM(sp + 0)
x1 <- MEM(sp + 8)
sp < sp + 16
while there is a glitch in our loadwb_pair* pattern, the restore of the
