1 files changed, 7 insertions, 0 deletions

diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 3d523899fdc0..4f5ff19b992b 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -63,6 +63,13 @@ as-option = $(shell if $(CC) $(CFLAGS) $(1) -Wa,-Z -c -o /dev/null \
              -xassembler /dev/null > /dev/null 2>&1; then echo "$(1)"; \
              else echo "$(2)"; fi ;)
 
+# as-instr
+# Usage: cflags-y += $(call as-instr, instr, option1, option2)
+
+as-instr = $(shell if echo -e "$(1)" | $(AS) >/dev/null 2>&1 -W -Z -o astest$$$$.out ; \
+                   then echo "$(2)"; else echo "$(3)"; fi; \
+                   rm -f astest$$$$.out)
+
 # cc-option
 # Usage: cflags-y += $(call cc-option, -march=winchip-c6, -march=i586)