diff options
Diffstat (limited to 'libc/sysdeps/x86_64')
-rw-r--r-- | libc/sysdeps/x86_64/bits/byteswap-16.h | 49 | ||||
-rw-r--r-- | libc/sysdeps/x86_64/bits/byteswap.h | 126 | ||||
-rw-r--r-- | libc/sysdeps/x86_64/bits/wordsize.h | 2 | ||||
-rw-r--r-- | libc/sysdeps/x86_64/ffsll.c | 2 | ||||
-rw-r--r-- | libc/sysdeps/x86_64/fpu/e_ilogbl.S (renamed from libc/sysdeps/x86_64/fpu/s_ilogbl.S) | 10 | ||||
-rw-r--r-- | libc/sysdeps/x86_64/fpu/e_powl.S | 31 | ||||
-rw-r--r-- | libc/sysdeps/x86_64/fpu/libm-test-ulps | 103 | ||||
-rw-r--r-- | libc/sysdeps/x86_64/memset.S | 12 | ||||
-rw-r--r-- | libc/sysdeps/x86_64/memset_chk.S | 4 | ||||
-rw-r--r-- | libc/sysdeps/x86_64/preconfigure | 2 | ||||
-rw-r--r-- | libc/sysdeps/x86_64/preconfigure.in | 2 |
11 files changed, 250 insertions, 93 deletions
diff --git a/libc/sysdeps/x86_64/bits/byteswap-16.h b/libc/sysdeps/x86_64/bits/byteswap-16.h new file mode 100644 index 000000000..584eb86b7 --- /dev/null +++ b/libc/sysdeps/x86_64/bits/byteswap-16.h @@ -0,0 +1,49 @@ +/* Macros to swap the order of bytes in 16-bit integer values. + Copyright (C) 2012 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, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _BITS_BYTESWAP_H +# error "Never use <bits/byteswap-16.h> directly; include <byteswap.h> instead." +#endif + +#ifdef __GNUC__ +# if __GNUC__ >= 2 +# define __bswap_16(x) \ + (__extension__ \ + ({ register unsigned short int __v, __x = (unsigned short int) (x); \ + if (__builtin_constant_p (__x)) \ + __v = __bswap_constant_16 (__x); \ + else \ + __asm__ ("rorw $8, %w0" \ + : "=r" (__v) \ + : "0" (__x) \ + : "cc"); \ + __v; })) +# else +/* This is better than nothing. */ +# define __bswap_16(x) \ + (__extension__ \ + ({ register unsigned short int __x = (unsigned short int) (x); \ + __bswap_constant_16 (__x); })) +# endif +#else +static __inline unsigned short int +__bswap_16 (unsigned short int __bsx) +{ + return __bswap_constant_16 (__bsx); +} +#endif diff --git a/libc/sysdeps/x86_64/bits/byteswap.h b/libc/sysdeps/x86_64/bits/byteswap.h index 5094a0540..417843933 100644 --- a/libc/sysdeps/x86_64/bits/byteswap.h +++ b/libc/sysdeps/x86_64/bits/byteswap.h @@ -1,6 +1,5 @@ /* Macros to swap the order of bytes in integer values. - Copyright (C) 1997, 1998, 2000, 2002, 2003, 2007, 2008, 2010, 2011 - Free Software Foundation, Inc. + Copyright (C) 1997-2012 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 @@ -24,78 +23,75 @@ #ifndef _BITS_BYTESWAP_H #define _BITS_BYTESWAP_H 1 +#include <features.h> #include <bits/wordsize.h> /* Swap bytes in 16 bit value. */ #define __bswap_constant_16(x) \ ((unsigned short int) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))) -#if defined __GNUC__ && __GNUC__ >= 2 -# define __bswap_16(x) \ - (__extension__ \ - ({ register unsigned short int __v, __x = (unsigned short int) (x); \ - if (__builtin_constant_p (__x)) \ - __v = __bswap_constant_16 (__x); \ - else \ - __asm__ ("rorw $8, %w0" \ - : "=r" (__v) \ - : "0" (__x) \ - : "cc"); \ - __v; })) -#else -/* This is better than nothing. */ -# define __bswap_16(x) \ - (__extension__ \ - ({ register unsigned short int __x = (unsigned short int) (x); \ - __bswap_constant_16 (__x); })) -#endif - +/* Get __bswap_16. */ +#include <bits/byteswap-16.h> /* Swap bytes in 32 bit value. */ #define __bswap_constant_32(x) \ ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \ (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24)) -#if defined __GNUC__ && __GNUC__ >= 2 -# if __WORDSIZE == 64 || (defined __i486__ || defined __pentium__ \ - || defined __pentiumpro__ || defined __pentium4__ \ - || defined __k8__ || defined __athlon__ \ - || defined __k6__ || defined __nocona__ \ - || defined __core2__ || defined __geode__ \ - || defined __amdfam10__) +#ifdef __GNUC__ +# if __GNUC_PREREQ (4, 2) +static __inline unsigned int +__bswap_32 (unsigned int __bsx) +{ + return __builtin_bswap32 (__bsx); +} +# elif __GNUC__ >= 2 +# if __WORDSIZE == 64 || (defined __i486__ || defined __pentium__ \ + || defined __pentiumpro__ || defined __pentium4__ \ + || defined __k8__ || defined __athlon__ \ + || defined __k6__ || defined __nocona__ \ + || defined __core2__ || defined __geode__ \ + || defined __amdfam10__) /* To swap the bytes in a word the i486 processors and up provide the `bswap' opcode. On i386 we have to use three instructions. */ -# define __bswap_32(x) \ - (__extension__ \ - ({ register unsigned int __v, __x = (x); \ - if (__builtin_constant_p (__x)) \ - __v = __bswap_constant_32 (__x); \ - else \ - __asm__ ("bswap %0" : "=r" (__v) : "0" (__x)); \ - __v; })) +# define __bswap_32(x) \ + (__extension__ \ + ({ register unsigned int __v, __x = (x); \ + if (__builtin_constant_p (__x)) \ + __v = __bswap_constant_32 (__x); \ + else \ + __asm__ ("bswap %0" : "=r" (__v) : "0" (__x)); \ + __v; })) +# else +# define __bswap_32(x) \ + (__extension__ \ + ({ register unsigned int __v, __x = (x); \ + if (__builtin_constant_p (__x)) \ + __v = __bswap_constant_32 (__x); \ + else \ + __asm__ ("rorw $8, %w0;" \ + "rorl $16, %0;" \ + "rorw $8, %w0" \ + : "=r" (__v) \ + : "0" (__x) \ + : "cc"); \ + __v; })) +# endif # else -# define __bswap_32(x) \ +# define __bswap_32(x) \ (__extension__ \ - ({ register unsigned int __v, __x = (x); \ - if (__builtin_constant_p (__x)) \ - __v = __bswap_constant_32 (__x); \ - else \ - __asm__ ("rorw $8, %w0;" \ - "rorl $16, %0;" \ - "rorw $8, %w0" \ - : "=r" (__v) \ - : "0" (__x) \ - : "cc"); \ - __v; })) + ({ register unsigned int __x = (x); __bswap_constant_32 (__x); })) # endif #else -# define __bswap_32(x) \ - (__extension__ \ - ({ register unsigned int __x = (x); __bswap_constant_32 (__x); })) +static __inline unsigned int +__bswap_32 (unsigned int __bsx) +{ + return __bswap_constant_32 (__bsx); +} #endif -#if defined __GNUC__ && __GNUC__ >= 2 +#if __GNUC_PREREQ (2, 0) /* Swap bytes in 64 bit value. */ # define __bswap_constant_64(x) \ (__extension__ ((((x) & 0xff00000000000000ull) >> 56) \ @@ -107,7 +103,13 @@ | (((x) & 0x000000000000ff00ull) << 40) \ | (((x) & 0x00000000000000ffull) << 56))) -# if __WORDSIZE == 64 +# if __GNUC_PREREQ (4, 2) +static __inline unsigned long long int +__bswap_64 (unsigned long long int __bsx) +{ + return __builtin_bswap64 (__bsx); +} +# elif __WORDSIZE == 64 # define __bswap_64(x) \ (__extension__ \ ({ register unsigned long __v, __x = (x); \ @@ -131,6 +133,22 @@ } \ __r.__ll; })) # endif +#elif __GLIBC_HAVE_LONG_LONG +# define __bswap_constant_64(x) \ + ((((x) & 0xff00000000000000ull) >> 56) \ + | (((x) & 0x00ff000000000000ull) >> 40) \ + | (((x) & 0x0000ff0000000000ull) >> 24) \ + | (((x) & 0x000000ff00000000ull) >> 8) \ + | (((x) & 0x00000000ff000000ull) << 8) \ + | (((x) & 0x0000000000ff0000ull) << 24) \ + | (((x) & 0x000000000000ff00ull) << 40) \ + | (((x) & 0x00000000000000ffull) << 56)) + +static __inline unsigned long long int +__bswap_64 (unsigned long long int __bsx) +{ + return __bswap_constant_64 (__bsx); +} #endif #endif /* _BITS_BYTESWAP_H */ diff --git a/libc/sysdeps/x86_64/bits/wordsize.h b/libc/sysdeps/x86_64/bits/wordsize.h index a40a0d816..9b38756fd 100644 --- a/libc/sysdeps/x86_64/bits/wordsize.h +++ b/libc/sysdeps/x86_64/bits/wordsize.h @@ -1,6 +1,6 @@ /* Determine the wordsize from the preprocessor defines. */ -#if defined __x86_64__ +#if defined __x86_64__ && !defined __ILP32__ # define __WORDSIZE 64 # define __WORDSIZE_COMPAT32 1 #else diff --git a/libc/sysdeps/x86_64/ffsll.c b/libc/sysdeps/x86_64/ffsll.c index a7a5dc858..0c07dcec0 100644 --- a/libc/sysdeps/x86_64/ffsll.c +++ b/libc/sysdeps/x86_64/ffsll.c @@ -36,7 +36,7 @@ ffsll (long long int x) return cnt + 1; } -#ifdef __LP64__ +#ifndef __ILP32__ #undef ffsl weak_alias (ffsll, ffsl) #endif diff --git a/libc/sysdeps/x86_64/fpu/s_ilogbl.S b/libc/sysdeps/x86_64/fpu/e_ilogbl.S index f59040c11..ae6c0fe6f 100644 --- a/libc/sysdeps/x86_64/fpu/s_ilogbl.S +++ b/libc/sysdeps/x86_64/fpu/e_ilogbl.S @@ -7,7 +7,7 @@ #include <machine/asm.h> -ENTRY(__ilogbl) +ENTRY(__ieee754_ilogbl) fldt 8(%rsp) /* I added the following ugly construct because ilogb(+-Inf) is required to return INT_MAX in ISO C99. @@ -18,6 +18,8 @@ ENTRY(__ilogbl) andb %ah, %dh cmpb $0x05, %dh je 1f /* Is +-Inf, jump. */ + cmpb $0x40, %dh + je 2f /* Is +-Inf, jump. */ fxtract fstp %st @@ -31,5 +33,7 @@ ENTRY(__ilogbl) 1: fstp %st movl $0x7fffffff, %eax ret -END (__ilogbl) -weak_alias (__ilogbl, ilogbl) +2: fstp %st + movl $0x80000000, %eax /* FP_ILOGB0 */ + ret +END (__ieee754_ilogbl) diff --git a/libc/sysdeps/x86_64/fpu/e_powl.S b/libc/sysdeps/x86_64/fpu/e_powl.S index 0626ce417..10ede2264 100644 --- a/libc/sysdeps/x86_64/fpu/e_powl.S +++ b/libc/sysdeps/x86_64/fpu/e_powl.S @@ -35,6 +35,9 @@ p63: .byte 0, 0, 0, 0, 0, 0, 0xe0, 0x43 ASM_TYPE_DIRECTIVE(p64,@object) p64: .byte 0, 0, 0, 0, 0, 0, 0xf0, 0x43 ASM_SIZE_DIRECTIVE(p64) + ASM_TYPE_DIRECTIVE(p78,@object) +p78: .byte 0, 0, 0, 0, 0, 0, 0xd0, 0x44 + ASM_SIZE_DIRECTIVE(p78) .section .rodata.cst16,"aM",@progbits,16 @@ -151,6 +154,21 @@ ENTRY(__ieee754_powl) fxch // x : y fabs // |x| : y fxch // y : |x| + // If y has absolute value at least 1L<<78, then any finite + // nonzero x will result in 0 (underflow), 1 or infinity (overflow). + // Saturate y to those bounds to avoid overflow in the calculation + // of y*log2(x). + fldl MO(p78) // 1L<<78 : y : |x| + fld %st(1) // y : 1L<<78 : y : |x| + fabs // |y| : 1L<<78 : y : |x| + fcomip %st(1), %st // 1L<<78 : y : |x| + fstp %st(0) // y : |x| + jc 3f + fstp %st(0) // pop y + fldl MO(p78) // 1L<<78 : |x| + testb $2, %dl + jz 3f // y > 0 + fchs // -(1L<<78) : |x| .align ALIGNARG(4) 3: /* y is a real number. */ fxch // x : y @@ -170,11 +188,6 @@ ENTRY(__ieee754_powl) 7: fyl2x // log2(x) : y 8: fmul %st(1) // y*log2(x) : y - fxam - fnstsw - andb $0x45, %ah - cmpb $0x05, %ah // is y*log2(x) == ħinf ? - je 28f fst %st(1) // y*log2(x) : y*log2(x) frndint // int(y*log2(x)) : y*log2(x) fsubr %st, %st(1) // int(y*log2(x)) : fract(y*log2(x)) @@ -183,13 +196,7 @@ ENTRY(__ieee754_powl) faddl MO(one) // 2^fract(y*log2(x)) : int(y*log2(x)) fscale // 2^fract(y*log2(x))*2^int(y*log2(x)) : int(y*log2(x)) fstp %st(1) // 2^fract(y*log2(x))*2^int(y*log2(x)) - jmp 29f - -28: fstp %st(1) // y*log2(x) - fldl MO(one) // 1 : y*log2(x) - fscale // 2^(y*log2(x)) : y*log2(x) - fstp %st(1) // 2^(y*log2(x)) -29: testb $2, %dh + testb $2, %dh jz 292f // x is negative. If y is an odd integer, negate the result. fldt 24(%rsp) // y : abs(result) diff --git a/libc/sysdeps/x86_64/fpu/libm-test-ulps b/libc/sysdeps/x86_64/fpu/libm-test-ulps index d43955aff..c700bdf74 100644 --- a/libc/sysdeps/x86_64/fpu/libm-test-ulps +++ b/libc/sysdeps/x86_64/fpu/libm-test-ulps @@ -550,6 +550,9 @@ ldouble: 1 Test "Real part of: clog (0x1.fffffep+127 + 0x1.fffffep+127 i) == 89.06941264234832570836679262104313101776 + pi/4 i": ildouble: 1 ldouble: 1 +Test "Real part of: clog (0x1.fp+16383 + 0x1.fp+16383 i) == 11356.83823118610934184548269774874545400 + pi/4 i": +ildouble: 1 +ldouble: 1 Test "Real part of: clog (0x1.fp+16383 + 0x1p+16383 i) == 11356.60974243783798653123798337822335902 + 0.4764674194737066993385333770295162295856 i": ildouble: 1 ldouble: 1 @@ -653,6 +656,9 @@ ldouble: 1 Test "Real part of: clog10 (0x1.fp+16383 + 0x1.fp+16383 i) == 4932.212175672014259683102930239951947672 + pi/4*log10(e) i": ildouble: 1 ldouble: 1 +Test "Real part of: clog10 (0x1.fp+16383 + 0x1p+16383 i) == 4932.112944269463028900262609694408579449 + 0.2069271710841128115912940666587802677383 i": +ildouble: 1 +ldouble: 1 Test "Imaginary part of: clog10 (0x1p-1073 + 0x1p-1073 i) == -322.8546703496198318667349645920187712089 + pi/4*log10(e) i": double: 1 idouble: 1 @@ -1011,11 +1017,15 @@ ldouble: 1 # ctan Test "Real part of: ctan (-2 - 3 i) == 0.376402564150424829275122113032269084e-2 - 1.00323862735360980144635859782192726 i": double: 1 +float: 1 idouble: 1 +ifloat: 1 ildouble: 1 ldouble: 1 Test "Imaginary part of: ctan (-2 - 3 i) == 0.376402564150424829275122113032269084e-2 - 1.00323862735360980144635859782192726 i": +double: 1 float: 1 +idouble: 1 ifloat: 1 ildouble: 2 ldouble: 2 @@ -1029,6 +1039,26 @@ idouble: 1 ifloat: 1 ildouble: 3 ldouble: 3 +Test "Real part of: ctan (0x1p1023 + 1 i) == -0.2254627924997545057926782581695274244229 + 0.8786063118883068695462540226219865087189 i": +double: 1 +idouble: 1 +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: ctan (0x1p1023 + 1 i) == -0.2254627924997545057926782581695274244229 + 0.8786063118883068695462540226219865087189 i": +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: ctan (0x1p127 + 1 i) == 0.2446359391192790896381501310437708987204 + 0.9101334047676183761532873794426475906201 i": +double: 1 +idouble: 1 +Test "Real part of: ctan (0x3.243f6cp-1 + 0 i) == -2.287733242885645987394874673945769518150e7 + 0.0 i": +float: 1 +ifloat: 1 +Test "Real part of: ctan (1 + 45 i) == 1.490158918874345552942703234806348520895e-39 + 1.000000000000000000000000000000000000001 i": +ildouble: 1 +ldouble: 1 +Test "Real part of: ctan (1 + 47 i) == 2.729321264492904590777293425576722354636e-41 + 1.0 i": +ildouble: 2 +ldouble: 2 # ctanh Test "Real part of: ctanh (-2 - 3 i) == -0.965385879022133124278480269394560686 + 0.988437503832249372031403430350121098e-2 i": @@ -1039,19 +1069,51 @@ ifloat: 2 ildouble: 3 ldouble: 3 Test "Imaginary part of: ctanh (-2 - 3 i) == -0.965385879022133124278480269394560686 + 0.988437503832249372031403430350121098e-2 i": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 ildouble: 1 ldouble: 1 +Test "Imaginary part of: ctanh (0 + 0x3.243f6cp-1 i) == 0.0 - 2.287733242885645987394874673945769518150e7 i": +float: 1 +ifloat: 1 Test "Imaginary part of: ctanh (0 + pi/4 i) == 0.0 + 1.0 i": +double: 1 float: 1 +idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "Real part of: ctanh (0.75 + 1.25 i) == 1.37260757053378320258048606571226857 + 0.385795952609750664177596760720790220 i": double: 1 +float: 1 idouble: 1 +ifloat: 1 Test "Imaginary part of: ctanh (0.75 + 1.25 i) == 1.37260757053378320258048606571226857 + 0.385795952609750664177596760720790220 i": double: 1 +float: 2 +idouble: 1 +ifloat: 2 +ildouble: 1 +ldouble: 1 +Test "Real part of: ctanh (1 + 0x1p1023 i) == 0.8786063118883068695462540226219865087189 - 0.2254627924997545057926782581695274244229 i": +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: ctanh (1 + 0x1p1023 i) == 0.8786063118883068695462540226219865087189 - 0.2254627924997545057926782581695274244229 i": +double: 1 idouble: 1 ildouble: 1 ldouble: 1 +Test "Real part of: ctanh (1 + 0x1p127 i) == 0.9101334047676183761532873794426475906201 + 0.2446359391192790896381501310437708987204 i": +double: 1 +idouble: 1 +Test "Imaginary part of: ctanh (45 + 1 i) == 1.000000000000000000000000000000000000001 + 1.490158918874345552942703234806348520895e-39 i": +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: ctanh (47 + 1 i) == 1.0 + 2.729321264492904590777293425576722354636e-41 i": +ildouble: 2 +ldouble: 2 # erf Test "erf (1.25) == 0.922900128256458230136523481197281140": @@ -1444,6 +1506,17 @@ Test "log1p (-0.25) == -0.287682072451780927439219005993827432": float: 1 ifloat: 1 +# pow +Test "pow (0x0.ffffffp0, -0x1p24) == 2.7182819094701610539628664526874952929416": +float: 1 +ifloat: 1 +Test "pow (0x0.ffffffp0, 0x1p24) == 0.3678794302077803437135155590023422899744": +float: 1 +ifloat: 1 +Test "pow (0x1.000002p0, 0x1p24) == 7.3890552180866447284268641248075832310141": +float: 1 +ifloat: 1 + # pow_downward Test "pow_downward (1.0625, 1.125) == 1.070582293028761362162622578677070098674": ildouble: 1 @@ -2289,34 +2362,36 @@ ldouble: 1 Function: Real part of "ctan": double: 1 +float: 1 idouble: 1 -ildouble: 1 -ldouble: 1 +ifloat: 1 +ildouble: 2 +ldouble: 2 Function: Imaginary part of "ctan": double: 1 float: 1 idouble: 1 ifloat: 1 -ildouble: 3 -ldouble: 3 +ildouble: 1 +ldouble: 1 Function: Real part of "ctanh": double: 1 -float: 2 -idouble: 1 -ifloat: 2 -ildouble: 3 -ldouble: 3 - -Function: Imaginary part of "ctanh": -double: 1 float: 1 idouble: 1 ifloat: 1 ildouble: 1 ldouble: 1 +Function: Imaginary part of "ctanh": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 +ildouble: 2 +ldouble: 2 + Function: "erf": double: 1 idouble: 1 @@ -2413,6 +2488,10 @@ Function: "log1p": float: 1 ifloat: 1 +Function: "pow": +float: 1 +ifloat: 1 + Function: "pow_downward": float: 1 ifloat: 1 diff --git a/libc/sysdeps/x86_64/memset.S b/libc/sysdeps/x86_64/memset.S index 7be907192..9511745a4 100644 --- a/libc/sysdeps/x86_64/memset.S +++ b/libc/sysdeps/x86_64/memset.S @@ -1,6 +1,6 @@ /* memset/bzero -- set memory area to CH/0 Optimized version for x86-64. - Copyright (C) 2002-2005, 2007, 2008, 2011 Free Software Foundation, Inc. + Copyright (C) 2002-2012 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 @@ -52,7 +52,7 @@ L(ck2): imul %r9,%rdx L(now_dw_aligned): cmp $0x90,%r8 - jg L(ck_mem_ops_method) + ja L(ck_mem_ops_method) L(now_dw_aligned_small): add %r8,%rdi #ifndef PIC @@ -604,7 +604,7 @@ L(aligned_now): punpcklqdq %xmm0,%xmm0 cmp $0xb0,%r8 # 176 - jge L(byte32sse2_pre) + jae L(byte32sse2_pre) add %r8,%rdi # ifndef PIC @@ -864,7 +864,7 @@ L(byte32sse2_pre): mov __x86_64_shared_cache_size(%rip),%r9d # The largest cache size cmp %r9,%r8 - jg L(sse2_nt_move_pre) + ja L(sse2_nt_move_pre) #jmp L(byte32sse2) .balign 16 L(byte32sse2): @@ -880,7 +880,7 @@ L(byte32sse2): movdqa %xmm0,0x70(%rdi) lea 0x80(%rdi),%rdi - jge L(byte32sse2) + jae L(byte32sse2) add %r8,%rdi # ifndef PIC lea L(SSExDx)(%rip),%r11 @@ -914,7 +914,7 @@ L(sse2_nt_move): movntdq %xmm0,0x70(%rdi) lea 0x80(%rdi),%rdi - jge L(sse2_nt_move) + jae L(sse2_nt_move) sfence add %r8,%rdi # ifndef PIC diff --git a/libc/sysdeps/x86_64/memset_chk.S b/libc/sysdeps/x86_64/memset_chk.S index 16f1fde16..862e27563 100644 --- a/libc/sysdeps/x86_64/memset_chk.S +++ b/libc/sysdeps/x86_64/memset_chk.S @@ -1,5 +1,5 @@ /* Checking memset for x86-64. - Copyright (C) 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 2004, 2005, 2012 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 @@ -19,7 +19,7 @@ #include <sysdep.h> #include "asm-syntax.h" -#ifndef PIC +#ifndef SHARED /* For libc.so this is defined in memset.S. For libc.a, this is a separate source to avoid memset bringing in __chk_fail and all routines diff --git a/libc/sysdeps/x86_64/preconfigure b/libc/sysdeps/x86_64/preconfigure index 48ba6a151..ca9de7584 100644 --- a/libc/sysdeps/x86_64/preconfigure +++ b/libc/sysdeps/x86_64/preconfigure @@ -133,7 +133,7 @@ if ${libc_cv_x32+:} false; then : else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ -#ifdef __LP64__ +#ifndef __ILP32__ # error not x32 #endif int diff --git a/libc/sysdeps/x86_64/preconfigure.in b/libc/sysdeps/x86_64/preconfigure.in index 1f049c7a0..600700ea1 100644 --- a/libc/sysdeps/x86_64/preconfigure.in +++ b/libc/sysdeps/x86_64/preconfigure.in @@ -8,7 +8,7 @@ x86_64) AC_CACHE_CHECK(whether $CC compiles in -mx32 mode by default, libc_cv_x32, [dnl AC_TRY_COMPILE(dnl -[#ifdef __LP64__ +[#ifndef __ILP32__ # error not x32 #endif], [], libc_cv_x32=yes, libc_cv_x32=no)]) if test $libc_cv_x32 = yes; then |