From: Richard Henderson <rth@twiddle.net>
To: qemu-devel@nongnu.org
Cc: aurelien@aurel32.net
Subject: Re: [Qemu-devel] [PATCH 7/7] tcg-i386: Perform tail call to qemu_ret_ld*_mmu
Date: Wed, 28 Aug 2013 09:34:33 -0700 [thread overview]
Message-ID: <521E2699.6010803@twiddle.net> (raw)
In-Reply-To: <1377639991-16028-8-git-send-email-rth@twiddle.net>
On 08/27/2013 02:46 PM, Richard Henderson wrote:
> - { INDEX_op_qemu_ld8u, { "r", "L" } },
> - { INDEX_op_qemu_ld8s, { "r", "L" } },
> - { INDEX_op_qemu_ld16u, { "r", "L" } },
> - { INDEX_op_qemu_ld16s, { "r", "L" } },
> - { INDEX_op_qemu_ld32, { "r", "L" } },
> - { INDEX_op_qemu_ld32u, { "r", "L" } },
> - { INDEX_op_qemu_ld32s, { "r", "L" } },
> - { INDEX_op_qemu_ld64, { "r", "L" } },
> + { INDEX_op_qemu_ld8u, { "a", "L" } },
> + { INDEX_op_qemu_ld8s, { "a", "L" } },
> + { INDEX_op_qemu_ld16u, { "a", "L" } },
> + { INDEX_op_qemu_ld16s, { "a", "L" } },
> + { INDEX_op_qemu_ld32, { "a", "L" } },
> + { INDEX_op_qemu_ld32u, { "a", "L" } },
> + { INDEX_op_qemu_ld32s, { "a", "L" } },
> + { INDEX_op_qemu_ld64, { "a", "L" } },
I should have invented a new constraint letter here.
While this works, and is ideal for softmmu, this
unnecessarily penalizes non-softmmu.
r~
next prev parent reply other threads:[~2013-08-28 16:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-27 21:46 [Qemu-devel] [PATCH 0/7] Further tcg ldst improvements Richard Henderson
2013-08-27 21:46 ` [Qemu-devel] [PATCH 1/7] exec: Reorganize the GETRA/GETPC macros Richard Henderson
2013-08-27 21:46 ` [Qemu-devel] [PATCH 2/7] tcg-i386: Don't perform GETPC adjustment in TCG code Richard Henderson
2013-08-27 21:46 ` [Qemu-devel] [PATCH 3/7] exec: Rename USUFFIX to LSUFFIX Richard Henderson
2013-08-27 21:46 ` [Qemu-devel] [PATCH 4/7] target: Include softmmu_exec.h where forgotten Richard Henderson
2013-08-27 21:46 ` [Qemu-devel] [PATCH 5/7] exec: Split softmmu_defs.h Richard Henderson
2013-08-27 21:46 ` [Qemu-devel] [PATCH 6/7] tcg: Introduce zero and sign-extended versions of load helpers Richard Henderson
2013-08-27 21:46 ` [Qemu-devel] [PATCH 7/7] tcg-i386: Perform tail call to qemu_ret_ld*_mmu Richard Henderson
2013-08-28 16:34 ` Richard Henderson [this message]
2013-08-29 15:31 ` Paolo Bonzini
2013-08-29 16:08 ` Richard Henderson
2013-08-29 16:36 ` Paolo Bonzini
2013-08-29 17:06 ` Aurelien Jarno
2013-08-29 17:43 ` Richard Henderson
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