Excerpts from Segher Boessenkool's message of February 26, 2022 8:28 am:
> On Fri, Feb 25, 2022 at 10:23:07AM +1000, Nicholas Piggin wrote:
>> Excerpts from Segher Boessenkool's message of February 25, 2022 3:29 am:
>> > On Thu, Feb 24, 2022 at 09:13:25PM +1000, Nicholas Piggin wrote:
>> >> Excerpt
On Fri, Feb 25, 2022 at 10:32:02AM +1000, Nicholas Piggin wrote:
> Excerpts from Segher Boessenkool's message of February 25, 2022 3:12 am:
> > On Thu, Feb 24, 2022 at 03:05:28PM +1000, Nicholas Piggin wrote:
> >> + * gcc 10 started to emit a .machine directive at the beginning of
> >> generated
>
On Fri, Feb 25, 2022 at 10:23:07AM +1000, Nicholas Piggin wrote:
> Excerpts from Segher Boessenkool's message of February 25, 2022 3:29 am:
> > On Thu, Feb 24, 2022 at 09:13:25PM +1000, Nicholas Piggin wrote:
> >> Excerpts from Arnd Bergmann's message of February 24, 2022 8:20 pm:
> >> > Again, the
Excerpts from Arnd Bergmann's message of February 25, 2022 6:33 pm:
> On Fri, Feb 25, 2022 at 1:32 AM Nicholas Piggin wrote:
>> Excerpts from Segher Boessenkool's message of February 25, 2022 3:12 am:
>> >> +#ifdef CONFIG_CC_IS_GCC
>> >> +#if (GCC_VERSION >= 10)
>> >> +#if (CONFIG_AS_VERSION =
On Fri, Feb 25, 2022 at 1:32 AM Nicholas Piggin wrote:
> Excerpts from Segher Boessenkool's message of February 25, 2022 3:12 am:
> >> +#ifdef CONFIG_CC_IS_GCC
> >> +#if (GCC_VERSION >= 10)
> >> +#if (CONFIG_AS_VERSION == 23800)
> >> +asm(".machine any");
> >> +#endif
> >> +#endif
> >> +#endif
Excerpts from Segher Boessenkool's message of February 25, 2022 3:12 am:
> On Thu, Feb 24, 2022 at 03:05:28PM +1000, Nicholas Piggin wrote:
>> + * gcc 10 started to emit a .machine directive at the beginning of generated
>> + * .s files, which overrides assembler -Wa,-m options passed down.
>> + *
Excerpts from Segher Boessenkool's message of February 25, 2022 3:29 am:
> On Thu, Feb 24, 2022 at 09:13:25PM +1000, Nicholas Piggin wrote:
>> Excerpts from Arnd Bergmann's message of February 24, 2022 8:20 pm:
>> > Again, there should be a minimum number of those .machine directives
>> > in inline
On Thu, Feb 24, 2022 at 11:39:16PM +1100, Michael Ellerman wrote:
> > /* Calculate the parity of the value */
> > - asm ("popcntd %0,%1" : "=r" (parity) : "r" (val));
> > + asm (".machine \"push\"\n"
> > +".machine \"power7\"\n"
> > +"popcntd %0,%1\n"
> > +".machine
On Thu, Feb 24, 2022 at 09:13:25PM +1000, Nicholas Piggin wrote:
> Excerpts from Arnd Bergmann's message of February 24, 2022 8:20 pm:
> > Again, there should be a minimum number of those .machine directives
> > in inline asm as well, which tends to work out fine as long as the
> > entire kernel is
On Thu, Feb 24, 2022 at 03:05:28PM +1000, Nicholas Piggin wrote:
> + * gcc 10 started to emit a .machine directive at the beginning of generated
> + * .s files, which overrides assembler -Wa,-m options passed down.
> + * Unclear if this behaviour will be reverted.
It will not be reverted. If you
On Thu, 24 Feb 2022 at 13:39, Michael Ellerman wrote:
>
> Hi Anders,
Hi Michael,
>
> Thanks for these, just a few comments below ...
I will resolve the comments below and resend a v2 shortly.
Cheers,
Anders
>
> Anders Roxell writes:
> > Building tinyconfig with gcc (Debian 11.2.0-16) and ass
Hi Anders,
Thanks for these, just a few comments below ...
Anders Roxell writes:
> Building tinyconfig with gcc (Debian 11.2.0-16) and assembler (Debian
> 2.37.90.20220207) the following build error shows up:
>
> {standard input}: Assembler messages:
> {standard input}:1190: Error: unrecognize
Excerpts from Arnd Bergmann's message of February 24, 2022 8:20 pm:
> On Thu, Feb 24, 2022 at 11:11 AM Nicholas Piggin wrote:
>> Excerpts from Arnd Bergmann's message of February 24, 2022 6:55 pm:
>> > On Thu, Feb 24, 2022 at 6:05 AM Nicholas Piggin wrote:
>> > We had the same thing on Arm a few
On Thu, Feb 24, 2022 at 11:11 AM Nicholas Piggin wrote:
> Excerpts from Arnd Bergmann's message of February 24, 2022 6:55 pm:
> > On Thu, Feb 24, 2022 at 6:05 AM Nicholas Piggin wrote:
> > We had the same thing on Arm a few years ago when binutils
> > started enforcing this more strictly, and it
Excerpts from Arnd Bergmann's message of February 24, 2022 6:55 pm:
> On Thu, Feb 24, 2022 at 6:05 AM Nicholas Piggin wrote:
>> Excerpts from Nicholas Piggin's message of February 24, 2022 12:54 pm:
>> >
>> > Not sure on the outlook for GCC fix. Either way unfortunately we have
>> > toolchains in
On Thu, Feb 24, 2022 at 6:05 AM Nicholas Piggin wrote:
> Excerpts from Nicholas Piggin's message of February 24, 2022 12:54 pm:
> >
> > Not sure on the outlook for GCC fix. Either way unfortunately we have
> > toolchains in the wild now that will explode, so we might have to take
> > your patches
Excerpts from Anders Roxell's message of February 23, 2022 11:58 pm:
> Building tinyconfig with gcc (Debian 11.2.0-16) and assembler (Debian
> 2.37.90.20220207) the following build error shows up:
>
> {standard input}: Assembler messages:
> {standard input}:1190: Error: unrecognized opcode: `stb
Excerpts from Nicholas Piggin's message of February 24, 2022 12:54 pm:
> Excerpts from Anders Roxell's message of February 23, 2022 11:58 pm:
>> Building tinyconfig with gcc (Debian 11.2.0-16) and assembler (Debian
>> 2.37.90.20220207) the following build error shows up:
>>
>> {standard input}: A
Hi!
On Wed, Feb 23, 2022 at 02:58:19PM +0100, Anders Roxell wrote:
> Building tinyconfig with gcc (Debian 11.2.0-16) and assembler (Debian
> 2.37.90.20220207) the following build error shows up:
>
> {standard input}: Assembler messages:
> {standard input}:1190: Error: unrecognized opcode: `stbc
Building tinyconfig with gcc (Debian 11.2.0-16) and assembler (Debian
2.37.90.20220207) the following build error shows up:
{standard input}: Assembler messages:
{standard input}:1190: Error: unrecognized opcode: `stbcix'
{standard input}:1433: Error: unrecognized opcode: `lwzcix'
{standard in
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