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48 lines
871 B
ArmAsm
48 lines
871 B
ArmAsm
/*
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* Written by Ulrich Drepper <drepper@cygnus.com>.
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* Based on e_remainder by J.T. Conklin <jtc@netbsd.org>.
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* Public domain.
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*/
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#include <machine/asm.h>
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#include "bp-sym.h"
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#include "bp-asm.h"
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#define PARMS LINKAGE /* no space for saved regs */
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#define DVDND PARMS
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#define DVSOR DVDND+8
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#define QUOP DVSOR+8
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.text
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ENTRY (BP_SYM (__remquo))
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fldl DVSOR(%esp)
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fldl DVDND(%esp)
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1: fprem1
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fstsw %ax
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sahf
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jp 1b
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fstp %st(1)
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/* Compute the congruent of the quotient. */
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movl %eax, %ecx
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shrl $8, %eax
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shrl $12, %ecx
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andl $4, %ecx
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andl $3, %eax
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orl %eax, %ecx
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leal (%ecx,%ecx,2),%ecx
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movl $0xef2a60, %eax
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shrl %cl, %eax
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andl $7, %eax
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movl QUOP(%esp), %ecx
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movl DVDND+4(%esp), %edx
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xorl DVSOR+4(%esp), %edx
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testl $0x80000000, %edx
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jz 1f
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negl %eax
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1: movl %eax, (%ecx)
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ret
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END (BP_SYM (__remquo))
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weak_alias (BP_SYM (__remquo), BP_SYM (remquo))
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