/* Floor function.  PowerPC32 version.   Copyright (C) 2004, 2006 Free Software Foundation, Inc.   This file is part of the GNU C Library.   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Lesser General Public   License as published by the Free Software Foundation; either   version 2.1 of the License, or (at your option) any later version.   The GNU C Library is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public   License along with the GNU C Library; if not, write to the Free   Software Foundation, Inc., 1 Franklin Street, Fifth Floor, Boston MA   02110-1301 USA.  */#include <sysdep.h>#include <math_ldbl_opt.h>	.section	.rodata.cst4,"aM",@progbits,4	.align	2.LC0:	/* 2**52 */	.long 0x59800000	.section	".text"ENTRY (__floor)	mffs	fp11		/* Save current FPU rounding mode.  */#ifdef SHARED	mflr	r11	cfi_register(lr,r11)# ifdef HAVE_ASM_PPC_REL16	bcl	20,31,1f1:	mflr	r9	addis	r9,r9,.LC0-1b@ha	lfs	fp13,.LC0-1b@l(r9)# else	bl	_GLOBAL_OFFSET_TABLE_@local-4	mflr	r10	lwz	r9,.LC0@got(10)	lfs	fp13,0(r9)# endif	mtlr	r11	cfi_same_value (lr)#else	lis	r9,.LC0@ha	lfs	fp13,.LC0@l(r9)#endif	fabs	fp0,fp1	fsub	fp12,fp13,fp13	/* generate 0.0  */	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO52)  */	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */	bnllr-	cr7	mtfsfi	7,3		/* Set rounding mode toward -inf.  */	ble-	cr6,.L4	fadd	fp1,fp1,fp13	/* x+= TWO52;  */	fsub	fp1,fp1,fp13	/* x-= TWO52;  */	fabs	fp1,fp1		/* if (x == 0.0)  */				/* x = 0.0; */	mtfsf	0x01,fp11	/* restore previous rounding mode.  */	blr.L4:	bge-	cr6,.L9		/* if (x < 0.0)  */	fsub	fp1,fp1,fp13	/* x-= TWO52;  */	fadd	fp1,fp1,fp13	/* x+= TWO52;  */	fnabs	fp1,fp1		/* if (x == 0.0)  */				/* x = -0.0; */.L9:	mtfsf	0x01,fp11	/* restore previous rounding mode.  */		blr	END (__floor)weak_alias (__floor, floor)#ifdef NO_LONG_DOUBLEweak_alias (__floor, floorl)strong_alias (__floor, __floorl)#endif#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)compat_symbol (libm, __floor, floorl, GLIBC_2_0)#endif