Here is the patch that uses the arm-fpus.def list.
Thanks
Yvan
2014-08-27 Yvan Roux <[email protected]>
* config.gcc (arm*-*-*): Check --with-fpu against arm-fpus.def.
On 27 August 2014 12:35, Yvan Roux <[email protected]> wrote:
> On 27 August 2014 11:24, Richard Earnshaw <[email protected]> wrote:
>> On 27/08/14 09:04, Yvan Roux wrote:
>>> Hi,
>>>
>>> as reported in PR62248 there is a typo in gcc/config.gcc where
>>> --with-fpu doesn't match -mfpu option for fp-armv8 value (fp-arm-v8 in
>>> config.gcc). Here is the patch to fix it.
>>>
>>> Thanks,
>>> Yvan
>>>
>>> 2014-08-27 Yvan Roux <[email protected]>
>>>
>>> * config.gcc: Fix fp-armv8 option for arm*-*-* targets.
>>>
>>>
>>> pr62248.diff
>>>
>>>
>>> diff --git a/gcc/config.gcc b/gcc/config.gcc
>>> index 6862c127..3f68e3e 100644
>>> --- a/gcc/config.gcc
>>> +++ b/gcc/config.gcc
>>> @@ -3528,7 +3528,7 @@ case "${target}" in
>>> | vfp | vfp3 | vfpv3 \
>>> | vfpv3-fp16 | vfpv3-d16 | vfpv3-d16-fp16 | vfpv3xd \
>>> | vfpv3xd-fp16 | neon | neon-fp16 | vfpv4 | vfpv4-d16 \
>>> - | fpv4-sp-d16 | neon-vfpv4 | fp-arm-v8 | neon-fp-armv8 \
>>> + | fpv4-sp-d16 | neon-vfpv4 | fp-armv8 | neon-fp-armv8 \
>>> | crypto-neon-fp-armv8)
>>> # OK
>>> ;;
>>>
>>
>> Ok; but better still would be to change this to use the official list in
>> arm-fpus.def (like we do for CPU names).
>
> Yes indeed, I'll do it that way.
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 6862c127..7434a08 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -3523,20 +3523,17 @@ case "${target}" in
;;
esac
- case "$with_fpu" in
- "" \
- | vfp | vfp3 | vfpv3 \
- | vfpv3-fp16 | vfpv3-d16 | vfpv3-d16-fp16 | vfpv3xd \
- | vfpv3xd-fp16 | neon | neon-fp16 | vfpv4 | vfpv4-d16 \
- | fpv4-sp-d16 | neon-vfpv4 | fp-arm-v8 | neon-fp-armv8 \
- | crypto-neon-fp-armv8)
- # OK
- ;;
- *)
- echo "Unknown fpu used in --with-fpu=$with_fpu" 2>&1
- exit 1
- ;;
- esac
+ # see if it matches any of the entries in arm-fpus.def
+ if [ x"$with_fpu" = x ] \
+ || grep "^ARM_FPU(\"$with_fpu\"," \
+ ${srcdir}/config/arm/arm-fpus.def \
+ > /dev/null; then
+ # OK
+ true
+ else
+ echo "Unknown fpu used in --with-fpu=$with_fpu" 1>&2
+ exit 1
+ fi
case "$with_abi" in
"" \
