Merge tag 'pull-tcg-20230814' of https://gitlab.com/rth7680/qemu into…

… staging

tcg/i386: Output %gs prefix in tcg_out_vex_opc

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# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
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* tag 'pull-tcg-20230814' of https://gitlab.com/rth7680/qemu:
  tcg/i386: Output %gs prefix in tcg_out_vex_opc

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

tcg/i386/tcg-target.c.inc

@@ -595,6 +595,9 @@ static void tcg_out_vex_opc(TCGContext *s, int opc, int r, int v,
 {
     int tmp;
 
+    if (opc & P_GS) {
+        tcg_out8(s, 0x65);
+    }
     /* Use the two byte form if possible, which cannot encode
        VEX.W, VEX.B, VEX.X, or an m-mmmm field other than P_EXT.  */
     if ((opc & (P_EXT | P_EXT38 | P_EXT3A | P_VEXW)) == P_EXT