On 09/11/2015 05:15 PM, John David Anglin wrote:
On 2015-09-11 4:15 AM, Bernd Schmidt wrote:
On 09/11/2015 01:21 AM, John David Anglin wrote:
As noted in the PR, expand_atomic_compare_and_swap can generate wrong
code when libcalls are emitted
for the sync_compare_and_swap and the result comparison test. This is
fixed by emitting a move insn to copy
the result rtx of the sync_compare_and_swap libcall to target_oval
instead of directly assigning it.
Could you provide relevant parts of the rtl dumps or (preferrably) the
patch you are using to enable the libcall?
This can be duplicated with a cross to hppa-unknown-linux-gnu with the
following change to enable the libcall:
Ok, thanks, This patch is ok.
Bernd
