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Re: [Qemu-devel] [PATCH 03/14] target/ppc: remove getVSR()/putVSR() from
From: |
Mark Cave-Ayland |
Subject: |
Re: [Qemu-devel] [PATCH 03/14] target/ppc: remove getVSR()/putVSR() from int_helper.c |
Date: |
Sun, 5 May 2019 10:36:02 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 |
On 30/04/2019 17:32, Richard Henderson wrote:
> On 4/28/19 7:38 AM, Mark Cave-Ayland wrote:
>> void helper_xxextractuw(CPUPPCState *env, target_ulong xtn,
>> target_ulong xbn, uint32_t index)
>> {
>> - ppc_vsr_t xt, xb;
>> + ppc_vsr_t *xt = &env->vsr[xtn];
>> + ppc_vsr_t *xb = &env->vsr[xbn];
>> size_t es = sizeof(uint32_t);
>> uint32_t ext_index;
>> int i;
>>
>> - getVSR(xbn, &xb, env);
>> - memset(&xt, 0, sizeof(xt));
>> + memset(xt, 0, sizeof(ppc_vsr_t));
>
> This fails if xt == xb.
>
> Similarly for xxinsertw.
Yeah. Again I can easily fix this up with a local variable.
ATB,
Mark.
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Mark Cave-Ayland <=