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[Qemu-devel] Re: [PATCH 3/6] tcg: Optional target implementation of ANDC

From: Richard Henderson
Subject: [Qemu-devel] Re: [PATCH 3/6] tcg: Optional target implementation of ANDC.
Date: Wed, 17 Feb 2010 11:15:17 -0800
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100120 Fedora/3.0.1-1.fc12 Thunderbird/3.0.1

On 02/17/2010 10:34 AM, Blue Swirl wrote:
> On Wed, Feb 17, 2010 at 12:10 AM, Richard Henderson <address@hidden> wrote:
>> Previously ANDC was always implemented by tcg-op.h with
>> an explicit NOT opcode.  Allow a target implementation.
> I think the convention is to add commented out #defines or #undefs for
> all targets, like sparc in bswap case:
> //#define TCG_TARGET_HAS_bswap32_i32
> //#define TCG_TARGET_HAS_bswap64_i64
> or mips:
> #undef TCG_TARGET_HAS_bswap32_i32
> #undef TCG_TARGET_HAS_bswap16_i32

Apparently that was only done for bswap, because there's a lot of 
optional opcodes that are missing everywhere.  I suppose I could
add those as a separate patch.


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