add mailinglist scraper results

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+performance degradation in tcg since Meson switch
+
+The buildsys conversion to Meson (1d806cef0e3..7fd51e68c34)
+introduced a degradation in performance in some TCG targets:
+
+--------------------------------------------------------
+Test Program: matmult_double
+--------------------------------------------------------
+Target              Instructions     Previous    Latest
+                                     1d806cef   7fd51e68
+----------  --------------------  ----------  ----------
+alpha              3 233 957 639       -----     +7.472%
+m68k               3 919 110 506       -----    +18.433%
+--------------------------------------------------------
+
+Original report from Ahmed Karaman with further testing done
+by Aleksandar Markovic:
+https://<email address hidden>/msg740279.html
+
+Can I get a sample statically linked m68k binary that exhibits this effect?
+
+
+
+I get
+
+$ qemu-m68k ./matmult_double-m68k
+Error while loading /home/pbonzini/matmult_double-m68k: Permission denied
+
+
+Paolo: what are the permissions on matmult_double-m68k on your local fs? (needs to be readable/executable by you)
+
+
+Uff, of course...
+
+This patch shold fix the regression:
+
+diff --git a/configure b/configure
+index 0004c46525..0786144043 100755
+--- a/configure
++++ b/configure
+@@ -7414,6 +7414,7 @@ NINJA=${ninja:-$PWD/ninjatool} $meson setup \
+         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
+         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
+         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
++        -Db_staticpic=$(if test "$pie" = yes; then echo true; else echo false; fi) \
+         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
+ 	-Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \
+ 	-Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf \
+
+
+This was fixed initially by commit 0c3dd50eaecbfe2, which is the change suggested in Paolo's comment #6, and then refined by commit a5cb7c5afe717d4.
+
+
+Released with QEMU v5.2.0.
+