From: Daniel Axtens <dja@axtens.net>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org, llvmlinux@lists.linuxfoundation.org
Subject: Re: [RFC PATCH 5/8] poweprc/lib/quad: Provide macros for lq/stq
Date: Fri, 26 Feb 2021 11:13:15 +1100 [thread overview]
Message-ID: <87r1l3ofdw.fsf@dja-thinkpad.axtens.net> (raw)
In-Reply-To: <20210225154444.GF28121@gate.crashing.org>
Segher Boessenkool <segher@kernel.crashing.org> writes:
> On Thu, Feb 25, 2021 at 02:10:03PM +1100, Daniel Axtens wrote:
>> +#define PPC_RAW_LQ(t, a, dq) (0xe0000000 | ___PPC_RT(t) | ___PPC_RA(a) | (((dq) & 0xfff) << 3))
>
> Please keep the operand order the same as for the assembler insns? So
> t,dq,a here.
>
> It should be ((dq) & 0x0fff) << 4) .
>
>> +#define PPC_RAW_STQ(t, a, ds) (0xf8000002 | ___PPC_RT(t) | ___PPC_RA(a) | (((ds) & 0xfff) << 3))
>
> And t,ds,a here. (But it should use "s" instead of "t" preferably, and
> use ___PPC_RS, because it is a source field, not a target).
>
> It should be ((ds) & 0x3fff) << 2) as well.
>
Ah, thank you. I'll fix this up.
Kind regards,
Daniel
>
> Segher
next prev parent reply other threads:[~2021-02-26 0:13 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-25 3:09 [RFC PATCH 0/8] WIP support for the LLVM integrated assembler Daniel Axtens
2021-02-25 3:09 ` [PATCH 1/8] powerpc/64s/exception: Clean up a missed SRR specifier Daniel Axtens
2021-02-25 3:10 ` [RFC PATCH 2/8] powerpc: check for support for -Wa,-m{power4,any} Daniel Axtens
2021-03-19 1:32 ` [RFC PATCH 2/8] powerpc: check for support for -Wa, -m{power4, any} Nicholas Piggin
2021-03-19 10:53 ` Michael Ellerman
2021-02-25 3:10 ` [RFC PATCH 3/8] powerpc/head-64: do less gas-specific stuff with sections Daniel Axtens
2021-03-19 1:35 ` Nicholas Piggin
2021-02-25 3:10 ` [RFC PATCH 4/8] powerpc/ppc_asm: use plain numbers for registers Daniel Axtens
2021-02-25 15:25 ` Segher Boessenkool
2021-02-26 0:12 ` Daniel Axtens
2021-03-19 1:39 ` Nicholas Piggin
2021-02-25 3:10 ` [RFC PATCH 5/8] poweprc/lib/quad: Provide macros for lq/stq Daniel Axtens
2021-02-25 15:44 ` Segher Boessenkool
2021-02-26 0:13 ` Daniel Axtens [this message]
2021-02-25 3:10 ` [RFC PATCH 6/8] powerpc/mm/book3s64/hash: drop pre 2.06 tlbiel for clang Daniel Axtens
2021-03-19 2:01 ` Nicholas Piggin
2021-03-22 16:49 ` Christophe Leroy
2021-03-22 18:11 ` Nicholas Piggin
2021-03-24 15:51 ` Segher Boessenkool
2021-03-24 21:07 ` Segher Boessenkool
2021-02-25 3:10 ` [RFC PATCH 7/8] powerpc/purgatory: drop .machine specifier Daniel Axtens
2021-02-25 15:58 ` Segher Boessenkool
2021-02-26 0:17 ` Daniel Axtens
2021-03-19 2:05 ` Nicholas Piggin
2021-03-19 10:59 ` Michael Ellerman
2021-02-25 3:10 ` [RFC PATCH 8/8] powerpc/64/asm: don't reassign labels Daniel Axtens
2021-02-25 16:08 ` Segher Boessenkool
2021-02-26 0:28 ` Daniel Axtens
2021-03-19 2:15 ` Nicholas Piggin
2021-03-14 10:01 ` [RFC PATCH 0/8] WIP support for the LLVM integrated assembler Michael Ellerman
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