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[thirdparty/glibc.git] / sysdeps / powerpc / powerpc64 / fpu / s_rint.S

diff --git a/sysdeps/powerpc/powerpc64/fpu/s_rint.S b/sysdeps/powerpc/powerpc64/fpu/s_rint.S
index 79e807269dfa6b81d4b461375c73f08291811bef..c0fb2b5cf9f47c356aa4d8b5d3e6b88f363b18fa 100644 (file)
--- a/sysdeps/powerpc/powerpc64/fpu/s_rint.S
+++ b/sysdeps/powerpc/powerpc64/fpu/s_rint.S
@@ -1,5 +1,5 @@
 /* Round to int floating-point values.  PowerPC64 version.
-   Copyright (C) 2004 Free Software Foundation, Inc.
+   Copyright (C) 2004-2014 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
@@ -13,38 +13,39 @@
    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., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 /* This has been coded in assembler because GCC makes such a mess of it
    when it's coded in C.  */
 
 #include <sysdep.h>
+#include <math_ldbl_opt.h>
 
        .section        ".toc","aw"
 .LC0:  /* 2**52 */
        .tc FD_43300000_0[TC],0x4330000000000000
        .section        ".text"
 
-ENTRY (__rint)
+EALIGN (__rint, 4, 0)
        CALL_MCOUNT 0
        lfd     fp13,.LC0@toc(2)
        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
-       bng-    cr6,.L4
+       bnllr   cr7
+       bng     cr6,.L4
        fadd    fp1,fp1,fp13    /* x+= TWO52;  */
        fsub    fp1,fp1,fp13    /* x-= TWO52;  */
-       blr
+       fabs    fp1,fp1         /* if (x == 0.0)  */
+       blr                     /* x = 0.0; */
 .L4:
-       bnllr-  cr6             /* if (x < 0.0)  */
-       fsub    fp1,fp13,fp1    /* x = TWO52 - x;  */
-       fsub    fp0,fp1,fp13    /* x = - (x - TWO52);  */
-       fneg    fp1,fp0
-       blr
+       bnllr   cr6             /* if (x < 0.0)  */
+       fsub    fp1,fp1,fp13    /* x-= TWO52;  */
+       fadd    fp1,fp1,fp13    /* x+= TWO52;  */
+       fnabs   fp1,fp1         /* if (x == 0.0)  */
+       blr                     /* x = -0.0; */
        END (__rint)
 
 weak_alias (__rint, rint)
@@ -53,3 +54,6 @@ weak_alias (__rint, rint)
 weak_alias (__rint, rintl)
 strong_alias (__rint, __rintl)
 #endif
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
+compat_symbol (libm, __rint, rintl, GLIBC_2_0)
+#endif