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Re: [PATCH v4 38/51] tcg/optimize: Split out fold_masks


From: Richard Henderson
Subject: Re: [PATCH v4 38/51] tcg/optimize: Split out fold_masks
Date: Wed, 27 Oct 2021 09:35:51 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0

On 10/27/21 6:37 AM, Luis Fernando Fujita Pires wrote:
From: Richard Henderson <richard.henderson@linaro.org>

@@ -1084,7 +1215,15 @@ static bool fold_extract(OptContext *ctx, TCGOp
*op)
          t = extract64(t, op->args[2], op->args[3]);
          return tcg_opt_gen_movi(ctx, op, op->args[0], t);
      }
-    return false;
+
+    z_mask_old = arg_info(op->args[1])->z_mask;
+    z_mask = sextract64(z_mask_old, op->args[2], op->args[3]);

Should this be extract64 instead of sextract64?

Quite right, thanks.

r~


Otherwise,
Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>

--
Luis Pires
Instituto de Pesquisas ELDORADO
Aviso Legal - Disclaimer <https://www.eldorado.org.br/disclaimer.html>





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