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The push / pop instructions used in this file are available only with more recent tool chains: cache.S: Assembler messages: cache.S:133: Error: bad instruction `push {r0,r1,r2,lr}' cache.S:160: Error: bad instruction `pop {r1,r2,r3,pc}' cache.S:164: Error: bad instruction `push {r0,r1,r2,lr}' cache.S:191: Error: bad instruction `pop {r1,r2,r3,pc}' Change push/pop into stmfd/ldmfd instructions to support older versions of binutils as well. I verified that the modified source code generates exactly the same binary code. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Sandeep Paulraj <s-paulraj@ti.com> Cc: Tom Rix <tom@bumblecow.com>