Sorry for my unclear expression . I have gotten much help from your description and now I know how to read the log correctly,thank you very much. Best regards, CL At 2018-07-24 18:44:52, "Jonathan Wakely" <jwakely.gcc@xxxxxxxxx> wrote: >On Tue, 24 Jul 2018 at 06:53, 陈龙 <18116491546@xxxxxxx> wrote: >> >> Hi, >> >> >> It is a great pleasure for me to got your help a while ago.Thanks. >> >> >> I got new questions about gcc version8.1.0 testsuite failure cases when I analyzed the log, there were some description I couldn't understand, please look at it below: >> >> >> Testing g++.dg/pr80481.C, -std=gnu++98 >> replacement dg-process-target: `{ target { i?86-*-* x86_64-*-* } && { ! *-*-solaris* } }' >> dg-process-target-1: `{target { i?86-*-* x86_64-*-* } && { ! *-*-solaris* }}' >> replacement dg-process-target: `{target i?86-*-* x86_64-*-*}' >> dg-process-target-1: `{target i?86-*-* x86_64-*-*}' >> selector_list: ` i?86-*-* x86_64-*-* ' 1 >> selector_expression: ` i?86-*-* x86_64-*-* ' 1 >> C:/msys64/mingw64/././libio/_G_config.h >> /c/Users/.../Desktop/work/test/gcc-8.1.0/gcc/C:/msys64/../libio/_G_config.h >> /c/Users/.../Desktop/work/test/gcc-8.1.0/gcc/C:/../../libio/_G_config.h >> /c/Users/.../Desktop/work/test/gcc-8.1.0/gcc/../../../libio/_G_config.h >> /c/Users/.../Desktop/work/test/gcc-8.1.0/../../../../libio/_G_config.h >> C:/msys64/mingw64/././libio/iostream.list >> /c/Users/.../Desktop/work/test/gcc-8.1.0/gcc/C:/msys64/../libio/iostream.list >> /c/Users/.../Desktop/work/test/gcc-8.1.0/gcc/C:/../../libio/iostream.list >> /c/Users/.../Desktop/work/test/gcc-8.1.0/gcc/../../../libio/iostream.list >> /c/Users/.../Desktop/work/test/gcc-8.1.0/../../../../libio/iostream.list >> ./testsuite/./libio/Makefile.in >> /c/Users/.../Desktop/work/test/gcc-8.1.0/gcc/../libio/Makefile.in >> /c/Users/.../Desktop/work/test/gcc-8.1.0/../../libio/Makefile.in >> /c/Users/.../Desktop/work/test/../../../libio/Makefile.in >> /c/Users/.../Desktop/work/../../../../libio/Makefile.in >> Choosing /mingw64/bin/c++ >> doing compile >> Invoking the compiler as c++ ./testsuite/g++.dg/pr80481.C -fno-diagnostics-show-caret -fdiagnostics-color=never -fmessage-length=0 -std=gnu++98 -Ofast -funroll-loops -fopenmp -march=knl -ffat-lto-objects -S -o pr80481.s >> Setting timeout to 300 >> Executing on host: c++ ./testsuite/g++.dg/pr80481.C -fno-diagnostics-show-caret -fdiagnostics-color=never -fmessage-length=0 -std=gnu++98 -Ofast -funroll-loops -fopenmp -march=knl -ffat-lto-objects -S -o pr80481.s (timeout = 300) >> spawn -ignore SIGHUP c++ ./testsuite/g++.dg/pr80481.C -fno-diagnostics-show-caret -fdiagnostics-color=never -fmessage-length=0 -std=gnu++98 -Ofast -funroll-loops -fopenmp -march=knl -ffat-lto-objects -S -o pr80481.s >> pid is 172120 -172120 >> pid is -1 >> waitres is 172120 exp8 0 0 >> output is status 0 >> Checking pattern "sparc-*-sunos*" with x86_64-pc-mingw64 >> Checking pattern "alpha*-*-*" with x86_64-pc-mingw64 >> Checking pattern "hppa*-*-hpux*" with x86_64-pc-mingw64 >> Checking pattern "sparc-*-sunos*" with x86_64-pc-mingw64 >> Checking pattern "alpha*-*-*" with x86_64-pc-mingw64 >> Checking pattern "hppa*-*-hpux*" with x86_64-pc-mingw64 > >> PASS: g++.dg/pr80481.C -std=gnu++98 (test for excess errors) >> FAIL: g++.dg/pr80481.C -std=gnu++98 scan-assembler-not vmovaps >> >> >> Q1:Does the first highlight part mean target process is a list including i?86 and x86_64? > >I don't see any highlighting, this is a plain text email. > >Those patterns come from the test file, not from your system. If your >system matches one of the patterns then the test will run. > > >> but the second highlight part show some differernt processes pattern like 'sparc','alpha','hppa',so how could I confirm which architecture the testsuite use? > >Your system is x86_64-pc-mingw64. > >The testsuite is comparing your target triplet (x86_64-pc-ming64) to >some other patterns to see if it matches. It doesn't mean your machine >is a sparc, alpha or hppa machine. > > >> Q2:The third highlight part shows different results which under the same running condition in general from the log,why is it? > >I don't understand what you're asking. > >The log shows that the "test for excess errors" part got a PASS, >meaning it compiled without errors. But the "scan-assembler-not >vmovaps" part got a FAIL, meaning that checking the generated code >failed. It is expected that the generated code does not contain the >vmovaps instruction, and apparently for your target that instruction >gets used.