// Validate that we can assemble this file exactly like the platform // assembler. // // RUN: llvm-mc -filetype=obj -triple i386-apple-darwin10 -o %t.mc.o %s // RUN: as -arch i386 -o %t.as.o %s // RUN: diff %t.mc.o %t.as.o # 1 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret # nop # 0x90 .align 1, 0x90 ret # 2 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret ret # xchg %ax,%ax # 0x66, 0x90 .align 2, 0x90 ret # 3 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret # nopl (%[re]ax) # 0x0f, 0x1f, 0x00 .align 2, 0x90 ret # 4 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret ret ret ret # nopl 0(%[re]ax) # 0x0f, 0x1f, 0x40, 0x00 .align 3, 0x90 ret # 5 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret ret ret # nopl 0(%[re]ax,%[re]ax,1) # 0x0f, 0x1f, 0x44, 0x00, 0x00 .align 3, 0x90 ret # 6 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret ret # nopw 0(%[re]ax,%[re]ax,1) # 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00 .align 3, 0x90 ret # 7 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret # nopl 0L(%[re]ax) # 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00 .align 3, 0x90 ret # 8 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret ret ret ret ret ret ret ret # nopl 0L(%[re]ax,%[re]ax,1) # 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 .align 3, 0x90 ret # 9 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret ret ret ret ret ret ret # nopw 0L(%[re]ax,%[re]ax,1) # 0x66, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 .align 4, 0x90 ret # 10 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret ret ret ret ret ret ret # nopw %cs:0L(%[re]ax,%[re]ax,1) # 0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 .align 4, 0x90 ret # 11 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret ret ret ret ret # nopw %cs:0L(%[re]ax,%[re]ax,1) # 0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 .align 4, 0x90 ret # 12 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret ret ret ret # nopw 0(%[re]ax,%[re]ax,1) # nopw 0(%[re]ax,%[re]ax,1) # 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00, # 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00 .align 4, 0x90 ret # 13 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret ret ret # nopw 0(%[re]ax,%[re]ax,1) # nopl 0L(%[re]ax) # 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00, # 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00 .align 4, 0x90 ret # 14 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret ret # nopl 0L(%[re]ax) # nopl 0L(%[re]ax) # 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00, # 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00 .align 4, 0x90 ret # 15 byte nop test .align 4, 0 # start with 16 byte alignment filled with zeros ret # nopl 0L(%[re]ax) # nopl 0L(%[re]ax,%[re]ax,1) # 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00, # 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 .align 4, 0x90 ret