http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20020
--- Comment #20 from H.J. Lu <hjl.tools at gmail dot com> 2012-08-12 19:50:08 UTC --- (In reply to comment #19) > (In reply to comment #15) > > Do we have a run-time testcase? > > I attached three compile-time test cases that check if the generated RTL > refers > to TImode values. The test cases are set up to only run on x86_64 and x86 > targets. I confirmed that they work as expected on an x86_64 target (with and > without the MAX_FIXED_MODE_SIZE patch). Not sure if it will work on x86 or > not. The test case may have to be tweaked for x86. X86 doesn't support __int128 and requires SSE for TImode. We may need to limit those testcases for int128 target. > Is this sufficient? I don't know how a run-time test would demonstrate the > use > of TImode, except in the form of a benchmark. If it is an ABI, we can add a testcase to gcc.target/x86_64/abi for x86-64. If there is no additional issues for x86-64, I think we can close it after checking in those testcases.
