From: Blue Swirl <blauwirbel@gmail.com>
To: Richard Henderson <rth@twiddle.net>
Cc: qemu-devel@nongnu.org, aurelien@aurel32.net
Subject: Re: [Qemu-devel] [PATCH 1/2] tcg: Add TYPE parameter to tcg_out_mov.
Date: Fri, 4 Jun 2010 19:19:40 +0000 [thread overview]
Message-ID: <AANLkTik8JClHDAYIihsGubyWK0uNVinfWEvwYet8sl6E@mail.gmail.com> (raw)
In-Reply-To: <1275524816-4187-2-git-send-email-rth@twiddle.net>
On Thu, Jun 3, 2010 at 12:26 AM, Richard Henderson <rth@twiddle.net> wrote:
> Mirror tcg_out_movi in having a TYPE parameter. This allows x86_64
> to perform the move at the proper width, which may elide a REX prefix.
>
> Introduce a TCG_TYPE_REG enumerator to represent the "native width"
> of the host register, and to distinguish the usage from "pointer data"
> as represented by the existing TCG_TYPE_PTR.
>
> Update all targets to match.
>
> Signed-off-by: Richard Henderson <rth@twiddle.net>
Sparc part looks fine to me.
> +
> + /* An alias for the size of the native pointer. We don't currently
> + support any hosts with 64-bit registers and 32-bit pointers. */
Sparc32plus would match, though the ABI does not guarantee that higher
32 bits are preserved.
next prev parent reply other threads:[~2010-06-04 19:20 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-03 0:26 [Qemu-devel] [PATCH 0/2] tcg cleanups, part 4 Richard Henderson
2010-06-03 0:26 ` [Qemu-devel] [PATCH 1/2] tcg: Add TYPE parameter to tcg_out_mov Richard Henderson
2010-06-04 19:19 ` Blue Swirl [this message]
2010-06-04 19:34 ` Richard Henderson
2010-06-03 0:26 ` [Qemu-devel] [PATCH 2/2] tcg: Make some tcg-target.c routines static Richard Henderson
2010-06-03 9:23 ` [Qemu-devel] [PATCH 0/2] tcg cleanups, part 4 malc
2010-06-04 0:35 ` [Qemu-devel] [PATCH 0/2] tcg-i386: merge 64-bit, guest_base improvement Richard Henderson
2010-06-04 0:35 ` [Qemu-devel] [PATCH 1/2] tcg-i386: Merge 64-bit generation Richard Henderson
2010-06-09 22:18 ` Aurelien Jarno
2010-06-04 0:35 ` [Qemu-devel] [PATCH 2/2] tcg-i386: Use segment registers to implement GUEST_BASE Richard Henderson
2010-06-04 6:35 ` Alexander Graf
2010-06-07 19:45 ` Richard Henderson
2010-06-09 9:42 ` [Qemu-devel] [PATCH 0/2] tcg cleanups, part 4 Aurelien Jarno
-- strict thread matches above, loose matches on Subject: below --
2010-05-03 23:30 [Qemu-devel] [PATCH 0/2] two tcg improvements Richard Henderson
2010-05-03 23:30 ` [Qemu-devel] [PATCH 1/2] tcg: Add TYPE parameter to tcg_out_mov Richard Henderson
2010-05-28 18:21 ` Aurelien Jarno
2010-05-28 21:35 ` Richard Henderson
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