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Re: [Qemu-devel] [PATCH] Added Cortex_a8_v3 version, and added a shift i
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] [PATCH] Added Cortex_a8_v3 version, and added a shift instruction for NEON. |
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Date: |
Fri, 19 Feb 2010 07:52:51 -0800 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.7) Gecko/20100120 Fedora/3.0.1-1.fc12 Thunderbird/3.0.1 |
On 02/18/2010 03:56 PM, George Karavaev wrote:
> + tmp64 = tcg_temp_new_i64();
> + tcg_gen_movi_i64(tmp64, 0);
> + tcg_gen_not_i64(tmp64, tmp64);
movi -1?
> + gen_helper_neon_shl_u64(tmp64, tmp64, cpu_V1);
> + tcg_gen_and_i64(cpu_V0, cpu_V0, tmp64); /*
> XXX */
Why the XXX?
> + tcg_gen_not_i64(tmp64, tmp64);
> + tcg_gen_and_i64(cpu_V1, cpu_V1, tmp64);
tcg_gen_andc_i64.
r~