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Re: [Qemu-devel] [PATCH 5/5] tcg/i386: Use SHLX/SHRX/SARX instructions


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 5/5] tcg/i386: Use SHLX/SHRX/SARX instructions
Date: Sun, 16 Feb 2014 15:21:28 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0

Il 31/01/2014 15:43, Richard Henderson ha scritto:
+    gen_shift_maybe_vex:
+        if (have_bmi2 && !const_args[2]) {
+            tcg_out_vex_modrm(s, vexop + rexw, args[0], args[2], args[1]);
+            break;
+        }
+        /* FALLTHRU */

What if args[2] happens to be ECX?

Apart from this,

Reviewed-by: Paolo Bonzini <address@hidden>

so feel free to post PATCH 6/5 and then squash it in the pull request.

Paolo



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