OpenLibm/amd64/e_remainder.S
Milan Bouchet-Valat 0affa5be19 Enable stack protection in all .S files
Hardware stack protection is required by most distributions.
See https://wiki.gentoo.org/wiki/Project:Hardened/GNU_stack_quickstart
2013-12-21 21:19:54 +01:00

30 lines
628 B
ArmAsm

/*
* Based on the i387 version written by:
* J.T. Conklin (jtc@netbsd.org)
* Public domain.
*/
#include <amd64/bsd_asm.h>
//RCSID("from: FreeBSD: src/lib/msun/i387/e_remainder.S,v 1.8 2005/02/04 14:08:32 das Exp")
//__FBSDID("$FreeBSD: src/lib/msun/amd64/e_remainder.S,v 1.2 2011/01/07 16:13:12 kib Exp $")
ENTRY(remainder)
movsd %xmm0,-8(%rsp)
movsd %xmm1,-16(%rsp)
fldl -16(%rsp)
fldl -8(%rsp)
1: fprem1
fstsw %ax
testw $0x400,%ax
jne 1b
fstpl -8(%rsp)
movsd -8(%rsp),%xmm0
fstp %st
ret
/* Enable stack protection */
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif