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Re: Testcase for -fssa bug
>>>>> Andreas Jaeger writes:
>>>>> Jeffrey A Law writes:
AJ> Jeff > d In message <u8snvey37i.fsf@gromit.rhein-neckar.de>you write:
>>>
>>> As discussed with Richard and Ulrich on gcc-bugs, here's a testcase to
>>> show a bug with -fssa.
>>>
>>> Can I commit this?
>>>
>>> Andreas
>>>
>>> 2000-05-19 Andreas Jaeger <aj@suse.de>
>>>
>>> * gcc.dg/ssa-1.c: Testcase for SSA bug from Ulrich Drepper.
AJ> Jeff > Actually, I think I'd prefer the test in c-torture/execute and that we change
AJ> Jeff > the c-torture framework to test -fssa.
AJ> Jeff > Other opinions?
AJ> That's fine with me.
AJ> Here's a patch for c-torture.exp.
This looks like the right thing for now, it revealed a number of new
failures:
[...]
Running /cvs/gcc/gcc/testsuite/gcc.c-torture/execute/execute.exp ...
FAIL: gcc.c-torture/execute/20000225-1.c execution, -O2
FAIL: gcc.c-torture/execute/20000225-1.c execution, -O3 -fomit-frame-pointer
FAIL: gcc.c-torture/execute/20000225-1.c execution, -O3 -fomit-frame-pointer -funroll-loops
FAIL: gcc.c-torture/execute/20000225-1.c execution, -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions
FAIL: gcc.c-torture/execute/20000225-1.c execution, -O3 -g
FAIL: gcc.c-torture/execute/20000225-1.c execution, -O3 -fssa
FAIL: gcc.c-torture/execute/20000225-1.c execution, -Os
FAIL: gcc.c-torture/execute/20000412-2.c execution, -O2
FAIL: gcc.c-torture/execute/20000412-2.c execution, -O3 -fomit-frame-pointer
FAIL: gcc.c-torture/execute/20000412-2.c execution, -O3 -g
FAIL: gcc.c-torture/execute/20000412-2.c execution, -O3 -fssa
FAIL: gcc.c-torture/execute/20000412-2.c execution, -Os
FAIL: gcc.c-torture/execute/20000419-1.c execution, -O2
FAIL: gcc.c-torture/execute/20000419-1.c execution, -Os
FAIL: gcc.c-torture/execute/920625-1.c execution, -O3 -fssa
FAIL: gcc.c-torture/execute/920726-1.c execution, -O3 -fssa
FAIL: gcc.c-torture/execute/921013-1.c execution, -O3 -fssa
FAIL: gcc.c-torture/execute/931004-10.c execution, -O3 -fssa
FAIL: gcc.c-torture/execute/931004-12.c execution, -O3 -fssa
FAIL: gcc.c-torture/execute/931004-14.c execution, -O3 -fssa
FAIL: gcc.c-torture/execute/931004-2.c execution, -O3 -fssa
FAIL: gcc.c-torture/execute/931004-4.c execution, -O3 -fssa
FAIL: gcc.c-torture/execute/931004-6.c execution, -O3 -fssa
FAIL: gcc.c-torture/execute/931004-8.c execution, -O3 -fssa
[...]
The only question remains which optimization level should be used? Is
-O3 ok or should we use -O2 together with -fssa?
Andreas
--
Andreas Jaeger
SuSE Labs aj@suse.de
private aj@arthur.inka.de