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--- Bridge Wu <mingqiao.wu@gmail.com> wrote: > Hello, > > I built arm-iwmmxt-linux-gnueabi-gcc 4.1.1 with glibc-2.4 and ran gcc > testsuite-4.1.1. I got some unexpected FAIL results. Below are some > results and questions. > > Results: > > arm-iwmmxt-linux-gnueabi-gcc > # of expected passes 36767 > # of unexpected failures 60 > # of unexpected successes 2 > # of expected failures 75 > # of unresolved testcases 77 > # of untested testcases 28 > # of unsupported tests 384 > > arm-iwmmxt-linux-gnueabi-g++ > # of expected passes 11773 > # of unexpected failures 21 > # of unexpected successes 3 > # of expected failures 66 > # of unresolved testcases 23 > # of unsupported tests 131 > > Questions: > > 1. gcc.c-torture/execute/20050316-1.c > This test case is for testing the issue at > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16104. If we compile it > with -O1 or -O2 option, there will be execution FAIL. The result is > similar with 20050316-2.c and 20050316-3.c > > 2. gcc.c-torture/execute/20050604-1.c > This test case is for testing the issue at > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21897 > . There are seven FAIL cases. > FAIL: gcc.c-torture/execute/20050604-1.c execution, -O1 > FAIL: gcc.c-torture/execute/20050604-1.c execution, -O2 > FAIL: gcc.c-torture/execute/20050604-1.c execution, -O3 -fomit-frame-pointer > FAIL: gcc.c-torture/execute/20050604-1.c execution, -O3 > -fomit-frame-pointer -funroll-loops > FAIL: gcc.c-torture/execute/20050604-1.c execution, -O3 > -fomit-frame-pointer -funroll-all-loops -finline-functions > FAIL: gcc.c-torture/execute/20050604-1.c execution, -O3 ?g > FAIL: gcc.c-torture/execute/20050604-1.c execution, -Os > > The code snippet from 20050604-1.c is shown below. u.v is not computed > with v4hi variables. So abort() is triggered. This only occurred with > above optimization options. > > typedef short v4hi __attribute__ ((vector_size (8))); > union > { > v4hi v; > short s[4]; > } u; > void > foo (void) > { > unsigned int i; > for (i = 0; i < 2; i++) > u.v += (v4hi) { 12, 14 }; > } > > int > main (void) > { > foo (); > if (u.s[0] != 24 || u.s[1] != 28 || u.s[2] || u.s[3]) > abort (); > return 0; > } > > 3. gcc.c-torture/execute/simd-6.c > There are three FAIL cases. > FAIL: gcc.c-torture/execute/simd-6.c execution, -O1 > FAIL: gcc.c-torture/execute/simd-6.c execution, -O2 > FAIL: gcc.c-torture/execute/simd-6.c execution, -Os > > 4. g++.dg/opt/switch4.C > This test case is for testing the issue at > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20008. There were > compilation errors shown as below. > > arm-iwmmxt-linux-gnueabi-g++ ./g++.dg/opt/switch4.C > -fmessage-length=0 -ansi -pedantic-errors -Wno-long-long -S -o > switch4.s > ./g++.dg/opt/switch4.C: In function 'void f(SECStatus)': > ./g++.dg/opt/switch4.C:24: warning: overflow in implicit constant conversion > ./g++.dg/opt/switch4.C:24: warning: case label value exceeds maximum > value for type > ./g++.dg/opt/switch4.C:28: error: expected primary-expression before 'break' > ./g++.dg/opt/switch4.C:28: error: expected `;' before 'break' > > > According to the bugzilla system, these issues should be solved in > gcc-4.1.1. I wonder if I used inproper configuration to build the tool > chain. For the issue 1,2 and 3, it was related to some vector variable > operations. Issue 4 is totally incomprehensibility to me. Does anybody > know the possible reason? How to solve these issues? Hi Bridge. I suspect it just hasn't been tested and the bug fixes missed the iWMMXt case. I haven't run the test suite, I should have done really... Steve ___________________________________________________________ Win tickets to the 2006 FIFA World Cup Germany with Yahoo! Messenger. http://advision.webevents.yahoo.com/fifaworldcup_uk/ -- For unsubscribe information see http://sourceware.org/lists.html#faq
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