(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

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

diff --git a/sysdeps/powerpc/powerpc64/fpu/s_floor.S b/sysdeps/powerpc/powerpc64/fpu/s_floor.S
index 65a2848b6777b07881b3b425d0f6db730a401314..80cbdc570930a0f765d86e4fc21b7010c18899fb 100644 (file)
--- a/sysdeps/powerpc/powerpc64/fpu/s_floor.S
+++ b/sysdeps/powerpc/powerpc64/fpu/s_floor.S
@@ -1,5 +1,5 @@
 /* Floor function.  PowerPC64 version.
-   Copyright (C) 2004, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2004 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
@@ -18,14 +18,13 @@
    02111-1307 USA.  */
 
 #include <sysdep.h>
-#include <math_ldbl_opt.h>
 
        .section        ".toc","aw"
 .LC0:  /* 2**52 */
        .tc FD_43300000_0[TC],0x4330000000000000
        .section        ".text"
 
-EALIGN (__floor, 4, 0)
+ENTRY (__floor)
        CALL_MCOUNT 0
        mffs    fp11            /* Save current FPU rounding mode.  */
        lfd     fp13,.LC0@toc(2)
@@ -38,16 +37,15 @@ EALIGN (__floor, 4, 0)
        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; */
+       fcmpu   cr5,fp1,fp12    /* if (x > 0.0)  */
        mtfsf   0x01,fp11       /* restore previous rounding mode.  */
+       bnelr+  cr5
+       fmr     fp1,fp12        /* x must be +0.0 for the 0.0 case.  */
        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
@@ -59,6 +57,3 @@ weak_alias (__floor, floor)
 weak_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