[llvm-dev] Integrated Assembler is now the default for mips-* and mipsel-* triples.

Rafael EspĂ­ndola via llvm-dev llvm-dev at lists.llvm.org
Mon May 16 07:42:13 PDT 2016

Congratulations and thanks!


On 14 May 2016 at 12:33, Daniel Sanders via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> Hi,
> I'm pleased to announce that the MIPS integrated assembler is now good enough
> to recurse the compiler for MIPS32R2, build a bootable Linux kernel for
> MIPS32R2, and pass LNT testing for a variety of 32-bit MIPS targets. I've
> therefore enabled it by default for all 32-bit MIPS targets in both LLVM and
> Clang.
> We're not aiming for perfect GAS compatibility but you should find that the
> commonly used functionality works as expected.
> If you run into problems with it then please file a bug report and use
> -fno-integrated-as while it's being fixed. The plan is to fix any remaining
> issues as we discover them but we may fall back on reverting temporarily if too
> much breaks.
> We had to leave 64-bit MIPS targets using an external assembler for the moment
> since the integrated assembler has a number of issues with the N32 ABI which
> also prevents us making the switch for the N64 ABI because the relevant code
> cannot distinguish N32 from N64. Hopefully we'll be able to make the switch for
> those targets in the near future.
> Thanks to everyone who made this possible.
> Daniel Sanders
> Leading Software Design Engineer, MIPS Processor IP
> Imagination Technologies Limited
> http://www.imgtec.com/
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