18 lines
434 B
ArmAsm
18 lines
434 B
ArmAsm
/* sub64() - 64 bit subtraction Author: Kees J. Bot */
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/* 7 Dec 1995 */
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#include <minix/compiler.h>
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#include <machine/asm.h>
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ENTRY(sub64)
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/* u64_t sub64(u64_t i, u64_t j); */
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movl 4(%esp), %eax
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movl 8(%esp), %edx
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subl 16(%esp), %edx
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movl %edx, (%eax)
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movl 12(%esp), %edx
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sbbl 20(%esp), %edx
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movl %edx, 4(%eax)
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ret BYTES_TO_POP_ON_STRUCT_RETURN
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/* */
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/* $PchId: sub64.ack.s,v 1.2 1996/04/11 18:59:57 philip Exp $ */
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