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patches/glibc/2.9/270-ldbl-nexttowardf.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun May 03 09:50:16 2009 +0000 (2009-05-03)
branchnewlib
changeset 1366 5e5d1e6f55d3
permissions -rw-r--r--
Update the newlib devel branch with stuff from /trunk@1498.

-------- diffstat follows --------
/devel/newlib/configure | 336 176 160 0 +++++++------
/devel/newlib/Makefile.in | 12 3 9 0 -
/devel/newlib/scripts/build/kernel/linux.sh | 2 1 1 0
/devel/newlib/scripts/build/internals.sh | 1 0 1 0 -
/devel/newlib/scripts/build/libc/eglibc.sh | 1 0 1 0 -
/devel/newlib/scripts/build/mpfr.sh | 2 1 1 0
/devel/newlib/scripts/functions | 111 5 106 0 ----
/devel/newlib/scripts/config.guess | 7 5 2 0 +
/devel/newlib/scripts/config.sub | 3 2 1 0 +
/devel/newlib/scripts/saveSample.sh.in | 4 2 2 0
/devel/newlib/docs/overview.txt | 8 6 2 0 +
/devel/newlib/samples/armeb-unknown-linux-uclibc/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/sh4-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/x86_64-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/arm-unknown-elf/crosstool.config | 12 3 9 0 -
/devel/newlib/samples/armeb-unknown-eabi/crosstool.config | 2 0 2 0 -
/devel/newlib/samples/arm-unknown-linux-gnueabi/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/ia64-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/x86_64-unknown-linux-uclibc/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/armeb-unknown-linux-gnueabi/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/powerpc-e500v2-linux-gnuspe/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/i686-nptl-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/arm-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/powerpc-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/mips-unknown-linux-uclibc/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/arm-unknown-linux-uclibcgnueabi/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/arm-iphone-linux-gnueabi/crosstool.config | 8 4 4 0
/devel/newlib/samples/armeb-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/powerpc-unknown_nofpu-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/i586-geode-linux-uclibc/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/arm-unknown-linux-uclibc/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/powerpc-unknown-linux-uclibc/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/mips-unknown-elf/crosstool.config | 2 0 2 0 -
/devel/newlib/samples/powerpc-405-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/armeb-unknown-linux-uclibcgnueabi/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/arm-unknown-eabi/crosstool.config | 12 3 9 0 -
/devel/newlib/samples/mipsel-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/powerpc64-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/alphaev56-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/powerpc-860-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/config/kernel/linux.in | 108 2 106 0 ----
/devel/newlib/config/global/ct-behave.in | 22 13 9 0 +
/devel/newlib/config/global/download.in | 210 15 195 0 +-------
/devel/newlib/config/libc/glibc.in | 7 7 0 0 +
/devel/newlib/config/libc/glibc-eglibc.in-common | 15 14 1 0 +
45 files changed, 382 insertions(+), 839 deletions(-) 
     1 Original patch from: gentoo/src/patchsets/glibc/2.9/1073_all_glibc-ldbl-nexttowardf.patch

     2 

     3 -= BEGIN original header =-

     4 ripped from Debian

     5 

     6 this change was made to generic __nexttowardf, but not the long double version

     7 

     8 2008-05-05  Aurelien Jarno  <aurelien@aurel32.net>

     9 

    10 	* sysdeps/ieee754/ldbl-128/s_nexttowardf.c: Include float.h.

    11 	(__nexttowardf): Use math_opt_barrier and

    12 	math_force_eval macros.  If FLT_EVAL_METHOD is not 0, force

    13 	x to float using asm.

    14 

    15 -= END original header =-

    16 

    17 diff -durN glibc-2_9.orig/sysdeps/ieee754/ldbl-128/s_nexttowardf.c glibc-2_9/sysdeps/ieee754/ldbl-128/s_nexttowardf.c

    18 --- glibc-2_9.orig/sysdeps/ieee754/ldbl-128/s_nexttowardf.c	1999-07-14 02:09:42.000000000 +0200

    19 +++ glibc-2_9/sysdeps/ieee754/ldbl-128/s_nexttowardf.c	2009-02-02 22:00:59.000000000 +0100

    20 @@ -19,7 +19,8 @@

    21  #endif

    22  

    23  #include "math.h"

    24 -#include "math_private.h"

    25 +#include <math_private.h>

    26 +#include <float.h>

    27  

    28  #ifdef __STDC__

    29  	float __nexttowardf(float x, long double y)

    30 @@ -44,10 +45,12 @@

    31  	   return x+y;

    32  	if((long double) x==y) return y;	/* x=y, return y */

    33  	if(ix==0) {				/* x == 0 */

    34 -	    float x2;

    35 +	    float u;

    36  	    SET_FLOAT_WORD(x,(u_int32_t)((hy>>32)&0x80000000)|1);/* return +-minsub*/

    37 -	    x2 = x*x;

    38 -	    if(x2==x) return x2; else return x;	/* raise underflow flag */

    39 +	    u = math_opt_barrier (x);

    40 +	    u = u * u;

    41 +	    math_force_eval (u);		/* raise underflow flag */

    42 +	    return x;

    43  	}

    44  	if(hx>=0) {				/* x > 0 */

    45  	    if(hy<0||(ix>>23)>(iy>>48)-0x3f80

    46 @@ -67,13 +70,16 @@

    47  	    }

    48  	}

    49  	hy = hx&0x7f800000;

    50 -	if(hy>=0x7f800000) return x+x;	/* overflow  */

    51 +	if(hy>=0x7f800000) {

    52 +	  x = x+x;	/* overflow  */

    53 +	  if (FLT_EVAL_METHOD != 0)

    54 +	    /* Force conversion to float.  */

    55 +	    asm ("" : "+m"(x));

    56 +	  return x;

    57 +	}

    58  	if(hy<0x00800000) {		/* underflow */

    59 -	    float x2 = x*x;

    60 -	    if(x2!=x) {		/* raise underflow flag */

    61 -	        SET_FLOAT_WORD(x2,hx);

    62 -		return x2;

    63 -	    }

    64 +	    float u = x*x;

    65 +	    math_force_eval (u);	/* raise underflow flag */

    66  	}

    67  	SET_FLOAT_WORD(x,hx);

    68  	return x;
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