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-rw-r--r--arch/x86_64/Makefile11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
new file mode 100644
index 0000000..16576fb
--- /dev/null
+++ b/arch/x86_64/Makefile
@@ -0,0 +1,11 @@
+# ==========================================================================
+# Build system
+# ==========================================================================
+
+# "Control how GCC aligns variables.
+# Supported values for type are compat uses increased alignment value
+# compatible uses GCC 4.8 and earlier, abi uses alignment value as specified by the psABI,
+# and cacheline uses increased alignment value to match the cache line size.
+# compat is the default."
+# "abi" seems to be somewhat successful in preventing oversealous data alignment.
+CFLAGS += $(call cc-option,-malign-data=abi,)