В Wed, 22 Jul 2015 02:05:29 +0200 Vladimir 'φ-coder/phcoder' Serbinenko <phco...@gmail.com> пишет:
> On 19.07.2015 09:33, Andrei Borzenkov wrote: > > clang -cc1 version 3.8.0 based upon LLVM 3.8.0svn default target > > x86_64-unknown-linux-gnu > > ignoring nonexistent directory "/include" > > #include "..." search starts here: > > #include <...> search starts here: > > /usr/local/include > > /home/bor/build/clang/bin/../lib/clang/3.8.0/include > > /usr/include > > End of search list. > > "/usr/bin/mips-suse-linux-as" -march mips32r2 -mabi 32 -call_nonpic -EB > > -msoft-float -KPIC -o conftest /tmp/foo-3da0d2.s > > bor@opensuse:~/src/llvm/tools/clang> file conftest > > conftest: ELF 32-bit MSB relocatable, MIPS, MIPS32 rel2 version 1 (SYSV), > > not stripped > > > > While for the same file GAS creates > > > > bor@opensuse:~/build/grub> mips-suse-linux-as -v asm-tests/mips.S > > GNU assembler version 2.24.0 (mips-suse-linux) using BFD version (GNU > > Binutils; openSUSE 13.2) 2.24.0.20140403-6.1 > > bor@opensuse:~/build/grub> file a.out > > a.out: ELF 32-bit MSB relocatable, MIPS, MIPS-I version 1 (SYSV), not > > stripped > > bor@opensuse:~/build/grub> > > > > (using -integrated-as does not change it - arch is still the same). > > > > Not sure if it matters. > > > > > I think it doesn't. It's just on the level of flags. I don't think that > it really generates any non-mips1 instructions unless specifically asked > for. Does not -march mips32r2 does it? > Just it fails to reflect this in flags in resulting binary. > Unlike in the case of x86, on mips there is no need to enable > instruction subsets, so if compiler generates instructions not supported > by target, then it's misconfigured and it's likely bigger problem than > just GRUB. > > _______________________________________________ > > Grub-devel mailing list > > Grub-devel@gnu.org > > https://lists.gnu.org/mailman/listinfo/grub-devel > > > >
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