From: Aurelien Jarno <aurelien@aurel32.net>
To: Jia Liu <proljc@gmail.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v11 09/14] target-mips: Add ASE DSP bit/manipulation instructions
Date: Wed, 17 Oct 2012 08:05:15 +0200 [thread overview]
Message-ID: <20121017060515.GA22579@ohm.aurel32.net> (raw)
In-Reply-To: <CAJBMM-seQPx0x+rCrektfvph_MdZz7u8_SaQvGy7j+r0KFyvFg@mail.gmail.com>
On Wed, Oct 17, 2012 at 11:44:41AM +0800, Jia Liu wrote:
> Hi Aurelien,
>
> >> +#ifdef TARGET_MIPS64
> >> + case OPC_ABSQ_S_QH_DSP:
> >> + switch (op2) {
> >> + case OPC_REPL_OB:
> >> + check_dsp(ctx);
> >> + {
> >> + target_long temp;
> >> +
> >> + imm = (ctx->opcode >> 16) & 0xFF;
> >> + temp = imm;
> >> + temp = (temp << 8) | temp;
> >> + temp = (temp << 16) | temp;
> >> + temp = (temp << 32) | temp;
> >> + tcg_gen_movi_tl(cpu_gpr[ret], temp);
> >> + break;
> >> + }
> >
> > This hasn't been fixed, and thus is still wrong.
> >
>
> Thank you for check this again.
> May you give me more comment about this please? I'm not sure what
> should do here.
>
The instruction is defined as:
| Replicate a immediate byte into all elements of an eight byte vector.
|
| Description: rd ← immediate || immediate || immediate || immediate || immediate ||
| immediate || immediate || immediate
In your code, I only see the value replicated 4 times, not 8 times.
--
Aurelien Jarno GPG: 1024D/F1BCDB73
aurelien@aurel32.net http://www.aurel32.net
next prev parent reply other threads:[~2012-10-17 6:05 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-15 16:39 [Qemu-devel] [PATCH v11 00/14] QEMU MIPS ASE DSP support Jia Liu
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 01/14] target-mips: Add ASE DSP internal functions Jia Liu
2012-10-16 23:20 ` Aurelien Jarno
2012-10-17 3:39 ` Jia Liu
2012-10-17 15:15 ` Aurelien Jarno
2012-10-18 1:53 ` Jia Liu
2012-10-18 6:05 ` Aurelien Jarno
2012-10-18 11:18 ` Aurelien Jarno
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 02/14] target-mips: Add ASE DSP resources access check Jia Liu
2012-10-16 23:21 ` Aurelien Jarno
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 03/14] target-mips: Use correct acc value to index cpu_HI/cpu_LO rather than using a fix number Jia Liu
2012-10-16 23:21 ` Aurelien Jarno
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 04/14] target-mips: Add ASE DSP branch instructions Jia Liu
2012-10-16 23:21 ` Aurelien Jarno
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 05/14] target-mips: Add ASE DSP load instructions Jia Liu
2012-10-16 23:21 ` Aurelien Jarno
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 06/14] target-mips: Add ASE DSP arithmetic instructions Jia Liu
2012-10-16 23:23 ` Aurelien Jarno
2012-10-17 4:05 ` Jia Liu
2012-10-17 4:54 ` Jia Liu
2012-10-17 6:05 ` Aurelien Jarno
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 07/14] target-mips: Add ASE DSP GPR based shift instructions Jia Liu
2012-10-16 23:23 ` Aurelien Jarno
2012-10-30 14:47 ` Jia Liu
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 08/14] target-mips: Add ASE DSP multiply instructions Jia Liu
2012-10-16 23:23 ` Aurelien Jarno
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 09/14] target-mips: Add ASE DSP bit/manipulation instructions Jia Liu
2012-10-16 23:23 ` Aurelien Jarno
2012-10-17 3:44 ` Jia Liu
2012-10-17 6:05 ` Aurelien Jarno [this message]
2012-10-17 7:16 ` Richard Henderson
2012-10-17 20:07 ` Aurelien Jarno
2012-10-18 0:09 ` Jia Liu
2012-10-17 7:41 ` Jia Liu
2012-10-17 15:15 ` Aurelien Jarno
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 10/14] target-mips: Add ASE DSP compare-pick instructions Jia Liu
2012-10-16 23:23 ` Aurelien Jarno
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 11/14] target-mips: Add ASE DSP accumulator instructions Jia Liu
2012-10-16 23:23 ` Aurelien Jarno
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 12/14] target-mips: Add ASE DSP processors Jia Liu
2012-10-16 23:23 ` Aurelien Jarno
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 13/14] target-mips: Add ASE DSP testcases Jia Liu
2012-10-16 23:23 ` Aurelien Jarno
2012-10-15 16:39 ` [Qemu-devel] [PATCH v11 14/14] target-mips: Change TODO file Jia Liu
2012-10-16 23:23 ` Aurelien Jarno
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