[Bug inline-asm/10396] Constraint alternatives cause error " `asm' operand requires impossible reload"

[bernd.edlinger at hotmail dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10396

Bernd Edlinger <bernd.edlinger at hotmail dot de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bernd.edlinger at hotmail dot de

--- Comment #23 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
(In reply to David from comment #22)
> Despite the impression you may get from comments 17-21, gcc DOES support
> multi-alternatives with inline asm (see
> https://gcc.gnu.org/ml/gcc/2015-10/msg00249.html).
> 
> I do not have an arm build with which to test, but using 5.2 on x64, the
> samples in this bug do not produce errors.  Perhaps in the 7-12 years since
> they were added, something got fixed?  Or maybe this problem is
> platform-specific.

you can build a cross-compiler out of nothing, if you want.

cd binutils-build-arm
../binutils-2.25.1/configure --prefix=../arm-eabi --target=arm-unknown-eabi
make && make install
cd ../gcc-build-arm
../gcc-trunk/configure --prefix=/home/ed/gnu/arm-eabi --target=arm-unknown-eabi
--enable-languages=c --disable-libssp
make && make install