[PATCH] testsuite: Turn -fgnu-tm test into link test

[Andreas Krebbel]

On 02/21/2012 04:27 PM, Jakub Jelinek wrote:
> 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.

Ok I see. I wasn't aware that the files would be missing even on targets supporting libtim.

Thanks for the explanation.

-Andreas-