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-rw-r--r--arch/i386/Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/i386/Makefile b/arch/i386/Makefile
index 385dd52be..e6c99c67d 100644
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -2,4 +2,6 @@
# Build system
# ==========================================================================
+# -mpreferred-stack-boundary=2 is essential in preventing gcc 4.2.x
+# from aligning stack to 16 bytes. (Which is gcc's way of supporting SSE).
CFLAGS += $(call cc-option,-march=i386 -mpreferred-stack-boundary=2,)