40 lines
974 B
ArmAsm
40 lines
974 B
ArmAsm
#################################################################
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# #
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# Copyright 2001 Sanchez Computer Associates, Inc. #
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# #
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# This source code contains the intellectual property #
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# of its copyright holder(s), and is made available #
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# under a license. If you do not know the terms of #
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# the license, please stop and do not read further. #
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# #
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#################################################################
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.arch armv6
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.fpu vfp
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.text
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.align 2
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.global compswap
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.type compswap, %function
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compswap:
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@ args = 4, pretend = 0, frame = 24
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@ frame_needed = 1, uses_anonymous_args = 0
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@ link register save eliminated.
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str fp, [sp, #-4]!
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add fp, sp, #0
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sub sp, sp, #28
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str r0, [fp, #-16]
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str r1, [fp, #-20]
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str r2, [fp, #-24]
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str r3, [fp, #-28]
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ldr r3, [fp, #-20]
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str r3, [fp, #-8]
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ldr r3, [fp, #-8]
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add r3, r3, #17
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str r3, [fp, #-8]
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ldr r3, [fp, #-8]
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mov r0, r3
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add sp, fp, #0
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ldmfd sp!, {fp}
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bx lr
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.size compswap, .-compswap
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