From: Richard Henderson <rth@twiddle.net>
To: Jin Guojie <jinguojie@loongson.cn>, qemu-devel@nongnu.org
Cc: Aurelien Jarno <aurelien@aurel32.net>,
James Hogan <james.hogan@imgtec.com>
Subject: Re: [Qemu-devel] [PATCH v3 10/11] tcg-mips: Adjust qemu_ld/st for mips64
Date: Fri, 25 Nov 2016 12:55:16 +0100 [thread overview]
Message-ID: <8edc4125-bf29-5210-9543-d1881d0ac07d@twiddle.net> (raw)
In-Reply-To: <1480044704-5805-11-git-send-email-jinguojie@loongson.cn>
On 11/25/2016 04:31 AM, Jin Guojie wrote:
> -#define LO_OFF (MIPS_BE * 4)
> -#define HI_OFF (4 - LO_OFF)
> +# define LO_OFF (MIPS_BE * sizeof(long))
> +# define HI_OFF (sizeof(long) - LO_OFF)
For n32, sizeof(long) == 4, and for n64, sizeof(long) == 8. So in the end this
change must be wrong for big-endian.
Surely using link_error, as my patch did, to assert at compile-time that these
values were never used for TCG_TARGET_REGS == 64 is better.
r~
next prev parent reply other threads:[~2016-11-25 11:55 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-25 3:31 [Qemu-devel] [PATCH v3 00/11] tcg mips64 and mips r6 improvements Jin Guojie
2016-11-25 3:31 ` [Qemu-devel] [PATCH v3 01/11] tcg-mips: Move bswap code to a subroutine Jin Guojie
2016-11-25 3:31 ` [Qemu-devel] [PATCH v3 02/11] tcg-mips: Add mips64 opcodes Jin Guojie
2016-11-25 3:31 ` [Qemu-devel] [PATCH v3 03/11] tcg-mips: Support 64-bit opcodes Jin Guojie
2016-11-25 3:31 ` [Qemu-devel] [PATCH v3 04/11] tcg-mips: Add bswap32u and bswap64 Jin Guojie
2016-11-25 3:31 ` [Qemu-devel] [PATCH v3 05/11] tcg-mips: Adjust move functions for mips64 Jin Guojie
2016-11-25 3:31 ` [Qemu-devel] [PATCH v3 06/11] tcg-mips: Adjust load/store " Jin Guojie
2016-11-25 3:31 ` [Qemu-devel] [PATCH v3 07/11] tcg-mips: Adjust prologue " Jin Guojie
2016-11-25 3:31 ` [Qemu-devel] [PATCH v3 08/11] tcg-mips: Add tcg unwind info Jin Guojie
2016-11-25 3:31 ` [Qemu-devel] [PATCH v3 09/11] tcg-mips: Adjust calling conventions for mips64 Jin Guojie
2016-11-25 3:31 ` [Qemu-devel] [PATCH v3 10/11] tcg-mips: Adjust qemu_ld/st " Jin Guojie
2016-11-25 11:55 ` Richard Henderson [this message]
2016-11-25 3:31 ` [Qemu-devel] [PATCH v3 11/11] tcg-mips: Adjust condition functions " Jin Guojie
2016-11-25 12:06 ` Richard Henderson
2016-11-25 14:25 ` Aurelien Jarno
2016-11-25 14:21 ` [Qemu-devel] [PATCH v3 00/11] tcg mips64 and mips r6 improvements Aurelien Jarno
2016-11-30 17:19 ` Aurelien Jarno
2016-11-30 18:33 ` =?gb18030?B?SmluIEd1b2ppZQ==?=
2016-11-30 19:39 ` Aurelien Jarno
2016-11-28 6:59 [Qemu-devel] [PATCH v3 10/11] tcg-mips: Adjust qemu_ld/st for mips64 Jin Guojie
2016-11-28 14:20 ` Richard Henderson
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