On Tue, Feb 21, 2012 at 04:23:16PM +0100, Andreas Krebbel wrote:
> using the -fgnu-tm option fails for targets not supporting libitm with
> a *link* failure. So the compile test wasn't sufficient.
>
> With the attached patch the following failures disappear on s390 and
> s390x:
>
> FAIL: gcc.dg/lto/trans-mem-1 c_lto_trans-mem-1_0.o-c_lto_trans-mem-1_1.o
> link, -flto -fgnu-tm
> UNRESOLVED: gcc.dg/lto/trans-mem-1
> c_lto_trans-mem-1_0.o-c_lto_trans-mem-1_1.o execute -flto -fgnu-tm
> FAIL: gcc.dg/lto/trans-mem-2 c_lto_trans-mem-2_0.o-c_lto_trans-mem-2_1.o
> link, -flto -fgnu-tm
> UNRESOLVED: gcc.dg/lto/trans-mem-2
> c_lto_trans-mem-2_0.o-c_lto_trans-mem-2_1.o execute -flto -fgnu-tm
> FAIL: gcc.dg/lto/trans-mem-4 c_lto_trans-mem-4_0.o-c_lto_trans-mem-4_1.o
> link, -flto -fgnu-tm
> UNRESOLVED: gcc.dg/lto/trans-mem-4
> c_lto_trans-mem-4_0.o-c_lto_trans-mem-4_1.o execute -flto -fgnu-tm
> XPASS: gcc.dg/tree-ssa/20040204-1.c scan-tree-dump-times optimized
> "link_error" 0
>
> Ok for mainline?
Won't that just disable tm testing on all targets?
As noted in bugzilla, libitm.spec is in the libitm tree, so runtime
tm testcases should probably be in libitm like e.g. libgomp has them.
Jakub
