>> IMHO an efficiency enhancement should not prevent running less
>> efficiently on a supported architecture. If target triple is
>> sparcv9-*-*, the next case will match and will add the "-mcpu=v9" to
>> XCFLAGS, but adding it for non-v9 sparc-*-* targets is at least weird.
>
> Well, V9 is about 2
> V9 is currently bound to 64bit, you can't build a sparc-linux-gnu compiler
> defaulting to V9 without patches.
libitm was tested on SPARC/Linux though.
--
Eric Botcazou
Am 02.06.2014 22:30, schrieb Eric Botcazou:
>> I have successfully built without the switch, but I am not sure of the
>> effects at runtime.
>
> For sure libitm cannot work, there is a 'flushw' in config/sparc/sjlj.S.
>
>> If V9 is indeed required, is there a way to build without those libs? Or
>
> I have successfully built without the switch, but I am not sure of the
> effects at runtime.
For sure libitm cannot work, there is a 'flushw' in config/sparc/sjlj.S.
> If V9 is indeed required, is there a way to build without those libs? Or
> has pre V9 support been dropped at some point?
No,
Thanks Jonathan,
>> If V9 is indeed required, is there a way to build without those libs? Or
>> has pre V9 support been dropped at some point?
>
> --disable-libitm --disable-libatomic
Ok, so those two switches will be required for non-v9 SPARC targets.
I still think this should be taken care of
On 2 June 2014 12:38, Carlos Sánchez de La Lama wrote:
> If V9 is indeed required, is there a way to build without those libs? Or
> has pre V9 support been dropped at some point?
--disable-libitm --disable-libatomic
Hi Eric
>> Removing "-mcpu=v9" allows the build to finalize.
>
> IIRC both libraries require the V9 architecture to work
> properly/efficiently.
I have successfully built without the switch, but I am not sure of the
effects at runtime.
If V9 is indeed required, is there a way to build without th
> # Map the target cpu to an ARCH sub-directory. At the same time,
> # work out any special compilation flags as necessary.
>
> case "${target_cpu}" in
>
> ...
>
> sparc)
> case " ${CC} ${CFLAGS} " in
> *" -m64 "*)
> ;;
> *)
> if test -z "$w
