qemu-ppc
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH 03/12] target/ppc: Move V(ADD|SUB)CUW to decodetree and use g


From: Richard Henderson
Subject: Re: [PATCH 03/12] target/ppc: Move V(ADD|SUB)CUW to decodetree and use gvec
Date: Sat, 24 Sep 2022 14:18:27 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0

On 9/23/22 21:47, Lucas Mateus Castro(alqotel) wrote:
+static void gen_VADDCUW(unsigned vece, TCGv_vec t, TCGv_vec a, TCGv_vec b)
+{
+    tcg_gen_not_vec(vece, a, a);
+    tcg_gen_cmp_vec(TCG_COND_LTU, vece, t, a, b);
+    tcg_gen_and_vec(vece, t, t, tcg_constant_vec_matching(t, vece, 1));
+}

I wondered about negate instead of masking the low bit, but either works.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~



reply via email to

[Prev in Thread] Current Thread [Next in Thread]