X5000 optimized code compile

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FlynnTheAvatar

Re: X5000 optimized code compile

Posted on: Today 8:02 #21

Just popping in

Sadly, the X5000 options do not work for E-UAE.

I used these flags:
CFLAGS="-O3 -mcpu=e5500 -mno-altivec -mno-powerpc64 -gstabs"

At the end I got these error messages:


/T/cc1PpXo7.s: Assembler messages:

/T/cc1PpXo7.s:28739: Error: unrecognized opcode: `mcrxr'

/T/cc1PpXo7.s:28997: Error: unrecognized opcode: `mcrxr'

...

Any ideas what else is needed to make the assembler work?

Thanks,
Josef

sailor

Re: X5000 optimized code compile

Posted on: Today 10:28 #22

Quite a regular

@FlynnTheAvatar
maybe: -mno-mfcrf
but it should be setted correctly with -mcpu

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afxgroup

Re: X5000 optimized code compile

Posted on: Today 10:56 #23

Amigans Defender

@FlynnTheAvatar

If you are not using the latest gcc11 we provide in AmigaLabs with fixed cpu switches most probably that could be the problem

i'm really tired...

FlynnTheAvatar

Re: X5000 optimized code compile

Posted on: Today 12:14 #24

Just popping in

@afxgroup

I am using the lastest gcc (native) version provided by Walkero:


gcc -v

Using built-in specs.

COLLECT_GCC=/Work/Cubic IDE/ide/devkits/sdk/amigaos4/54.16/gcc/ppc-amigaos/bin/11.3.0/gcc

COLLECT_LTO_WRAPPER=/Work/Cubic\ IDE/ide/devkits/sdk/amigaos4/54.16/gcc/ppc-amigaos/bin/11.3.0/../libexec/gcc/ppc-amigaos/11.3.0/lto-wrapper

Target: ppc-amigaos

Configured with: /opt/adtools/gcc/repo/configure --with-bugurl=https://github.com/sba1/adtools/issues --with-pkgversion='adtools build 11.3.0' --host=ppc-amigaos --target=ppc-amigaos --disable-nls --prefix=/gcc --with-gmp=/opt/adtools/native-build/root-cross --with-mpfr=/opt/adtools/native-build/root-cross --with-mpc=/opt/adtools/native-build/root-cross --program-prefix=ppc-amigaos- --program-suffix=-11 --libexecdir=/gcc/libexec --enable-languages=c,c++ --enable-haifa --enable-sjlj-exceptions --disable-libstdcxx-pch --disable-tls --enable-threads=amigaos --enable-lto --disable-c++tools

Thread model: amigaos

Supported LTO compression algorithms: zlib

gcc version 11.3.0 (adtools build 11.3.0)

walkero

Re: X5000 optimized code compile

Posted on: Today 12:41 #25

Site Builder

@FlynnTheAvatar
We need to check if there are changes in adtools that were not part of the build you are using.

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walkero

Re: X5000 optimized code compile

Posted on: Today 12:43 #26

Site Builder

@rjd324
I am sorry I missed your message about the pinned post and the optimisations.

We have the articles. So maybe we can have an article that has all the information gathered there. Anyone can create articles.

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corto

Re: X5000 optimized code compile

Posted on: Today 14:33 #27

Not too shy to talk

@rjd324Quote:

rjd324 wrote:@walkero
Should we make a pinned thread / guide for optimised gcc flags for the different targets?

No, please, we have to stop multiplying unnecessary tweaks that will possibly raise problems, or in any case will bring nothing or almost.
Let's be careful about supposed optimizations or real micro-optimizations (that possibly make things negative on other targets).

As usual, let's make things simple and it will be better.

FlynnTheAvatar

Re: X5000 optimized code compile

Posted on: Today 15:42 #28

Just popping in

@walkero

Thinking about it, it might be more likely that this is an issue with GNU as. It is part of binutils that is rather old. Maybe the old version does not support all PPC assembler commands?

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