Messages in this thread | | | From | Segher Boessenkool <> | Subject | Re: 2.6.19-rc5-mm1 fails to compile with gcc 4.2 | Date | Sun, 12 Nov 2006 12:17:55 +0100 |
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>>> drivers/kvm/kvm_main.c: In function 'kvm_dev_ioctl_run': >>> drivers/kvm/kvm_main.c:153: error: 'asm' operand has impossible >>> constraints drivers/kvm/kvm_main.c:158: error: 'asm' operand has >>> impossible constraints >> >> Smells like a gcc regression. Can you send .config? >> >> Or better yet, preprocessed source and full gcc command line (as >> seen on >> 'make V=1').
Just the function containing those lines (please mark which lines they are) would do probably.
> It does look like a gcc bug -- -O0 makes it go away. > Details at http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29808
PR29808 is not a GCC bug, but invalid code.
Segher
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