Re: [RFC] ARM -mfpu=auto woes

2019-06-19 Thread Alexandre Oliva
Richard, Thanks for your feedback. I conclude from it that it's not worth it to introduce code to support configuring --with-fpu=auto, so I'm going ahead and installing just the obvious configury bits I'd posted before. On Jun 12, 2019, Alexandre Oliva wrote: > So, any objections to my install

Re: [RFC] ARM -mfpu=auto woes

2019-06-14 Thread Richard Earnshaw (lists)
On 13/06/2019 14:00, Alexandre Oliva wrote: > On Jun 12, 2019, Alexandre Oliva wrote: > >> I'm looking into a regression between gcc-7 and gcc-8 that causes >> compilation with -mfloat-abi=hard to fail on arm-eabi with: > >> $ arm-eabi-gcc -c -mfloat-abi=hard t.c >> cc1: error: -mfloat-abi=hard:

Re: [RFC] ARM -mfpu=auto woes

2019-06-13 Thread Alexandre Oliva
On Jun 12, 2019, Alexandre Oliva wrote: > I'm looking into a regression between gcc-7 and gcc-8 that causes > compilation with -mfloat-abi=hard to fail on arm-eabi with: > $ arm-eabi-gcc -c -mfloat-abi=hard t.c > cc1: error: -mfloat-abi=hard: selected processor lacks an FPU > Per the documentat

[RFC] ARM -mfpu=auto woes

2019-06-12 Thread Alexandre Oliva
I'm looking into a regression between gcc-7 and gcc-8 that causes compilation with -mfloat-abi=hard to fail on arm-eabi with: $ arm-eabi-gcc -c -mfloat-abi=hard t.c cc1: error: -mfloat-abi=hard: selected processor lacks an FPU Per the documentation, -mfpu=auto was supposed to be the default, but