diff -Naur linux-5.7.1-gentoo/arch/x86/Makefile linux-5.7.1-gentoo-2/arch/x86/Makefile
--- linux-5.7.1-gentoo/arch/x86/Makefile	2020-06-14 13:35:08.438907762 +0300
+++ linux-5.7.1-gentoo-2/arch/x86/Makefile	2020-06-14 13:35:25.154871267 +0300
@@ -128,8 +128,11 @@
         cflags-$(CONFIG_MJAGUAR) += $(call cc-option,-march=btver2)
         cflags-$(CONFIG_MBULLDOZER) += $(call cc-option,-march=bdver1)
         cflags-$(CONFIG_MPILEDRIVER) += $(call cc-option,-march=bdver2)
+        cflags-$(CONFIG_MPILEDRIVER) += $(call cc-option,-mno-tbm)
         cflags-$(CONFIG_MSTEAMROLLER) += $(call cc-option,-march=bdver3)
+        cflags-$(CONFIG_MSTEAMROLLER) += $(call cc-option,-mno-tbm)
         cflags-$(CONFIG_MEXCAVATOR) += $(call cc-option,-march=bdver4)
+        cflags-$(CONFIG_MEXCAVATOR) += $(call cc-option,-mno-tbm)
         cflags-$(CONFIG_MZEN) += $(call cc-option,-march=znver1)
         cflags-$(CONFIG_MZEN2) += $(call cc-option,-march=znver2)
         cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)