diff options
Diffstat (limited to 'newlib/libc/machine/i386')
31 files changed, 0 insertions, 3556 deletions
diff --git a/newlib/libc/machine/i386/Makefile.am b/newlib/libc/machine/i386/Makefile.am deleted file mode 100644 index 3e94db8..0000000 --- a/newlib/libc/machine/i386/Makefile.am +++ /dev/null @@ -1,22 +0,0 @@ -## Process this file with automake to generate Makefile.in - -AUTOMAKE_OPTIONS = cygnus - -INCLUDES = -I $(newlib_basedir)/libm/common $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) - -noinst_LIBRARIES = lib.a - -if MACH_ADD_SETJMP -mach_add_src=setjmp.S -else -mach_add_src= -endif - -lib_a_SOURCES = memchr.S memcmp.S memcpy.S memmove.S memset.S \ - strchr.S strlen.S f_atan2.S f_atan2f.S f_exp.c f_expf.c \ - f_frexp.S f_frexpf.S f_log.S f_logf.S f_log10.S f_log10f.S \ - f_ldexp.S f_ldexpf.S f_pow.c f_powf.c f_tan.S \ - f_tanf.S $(mach_add_src) - -ACLOCAL_AMFLAGS = -I ../../.. -CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host diff --git a/newlib/libc/machine/i386/Makefile.in b/newlib/libc/machine/i386/Makefile.in deleted file mode 100644 index c56f45f..0000000 --- a/newlib/libc/machine/i386/Makefile.in +++ /dev/null @@ -1,308 +0,0 @@ -# Makefile.in generated automatically by automake 1.3b from Makefile.am - 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All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of atan2 using Intel float instructions. - - double _f_atan2 (double y, double x); - -Function computes arctan ( y / x ). -There is no error checking or setting of errno. -*/ - - #include "i386mach.h" - - .global SYM (_f_atan2) - -SYM (_f_atan2): - pushl ebp - movl esp,ebp - fldl 8(ebp) - fldl 16(ebp) - fpatan - - leave - ret diff --git a/newlib/libc/machine/i386/f_atan2f.S b/newlib/libc/machine/i386/f_atan2f.S deleted file mode 100644 index d56a167..0000000 --- a/newlib/libc/machine/i386/f_atan2f.S +++ /dev/null @@ -1,32 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of atan2f using Intel float instructions. - - float _f_atan2f (float y, float x); - -Function computes arctan ( y / x ). -There is no error checking or setting of errno. -*/ - - #include "i386mach.h" - - .global SYM (_f_atan2f) - -SYM (_f_atan2f): - pushl ebp - movl esp,ebp - flds 8(ebp) - flds 12(ebp) - fpatan - - leave - ret diff --git a/newlib/libc/machine/i386/f_exp.c b/newlib/libc/machine/i386/f_exp.c deleted file mode 100644 index a7fb055..0000000 --- a/newlib/libc/machine/i386/f_exp.c +++ /dev/null @@ -1,45 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of exp using Intel float instructions. - - double _f_exp (double x); - -Function computes e ** x. The following special cases exist: - 1. if x is 0.0 ==> return 1.0 - 2. if x is infinity ==> return infinity - 3. if x is -infinity ==> return 0.0 - 4. if x is NaN ==> return x -There is no error checking or setting of errno. -*/ - - -#include <math.h> -#include <ieeefp.h> -#include "f_math.h" - -double _f_exp (double x) -{ - if (check_finite(x)) - { - double result; - asm ("fldl2e; fmulp; fld %%st; frndint; fsub %%st,%%st(1); fxch;" \ - "fchs; f2xm1; fld1; faddp; fxch; fld1; fscale; fstp %%st(1); fmulp" : - "=t"(result) : "0"(x)); - return result; - } - else if (x == -infinity()) - return 0.0; - - return x; -} - - diff --git a/newlib/libc/machine/i386/f_expf.c b/newlib/libc/machine/i386/f_expf.c deleted file mode 100644 index 4387727..0000000 --- a/newlib/libc/machine/i386/f_expf.c +++ /dev/null @@ -1,45 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of exp using Intel float instructions. - - float _f_expf (float x); - -Function computes e ** x. The following special cases exist: - 1. if x is 0.0 ==> return 1.0 - 2. if x is infinity ==> return infinity - 3. if x is -infinity ==> return 0.0 - 4. if x is NaN ==> return x -There is no error checking or setting of errno. -*/ - - -#include <math.h> -#include <ieeefp.h> -#include "f_math.h" - -float _f_expf (float x) -{ - if (check_finitef(x)) - { - float result; - asm ("fldl2e; fmulp; fld %%st; frndint; fsub %%st,%%st(1); fxch;" \ - "fchs; f2xm1; fld1; faddp; fxch; fld1; fscale; fstp %%st(1); fmulp" : - "=t"(result) : "0"(x)); - return result; - } - else if (x == -infinityf()) - return 0.0; - - return x; -} - - diff --git a/newlib/libc/machine/i386/f_frexp.S b/newlib/libc/machine/i386/f_frexp.S deleted file mode 100644 index 8724f52..0000000 --- a/newlib/libc/machine/i386/f_frexp.S +++ /dev/null @@ -1,43 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of frexp using Intel float instructions. - - double _f_frexp (double x, int *exp); - -Function splits x into y * 2 ** z. It then -returns the value of y and updates *exp with z. -There is no error checking or setting of errno. -*/ - - #include "i386mach.h" - - .global SYM (_f_frexp) - -SYM (_f_frexp): - pushl ebp - movl esp,ebp - fldl 8(ebp) - movl 16(ebp),eax - - fxtract - fld1 - fchs - fxch - fscale - fstp st1 - fxch - fld1 - faddp - fistpl 0(eax) - - leave - ret diff --git a/newlib/libc/machine/i386/f_frexpf.S b/newlib/libc/machine/i386/f_frexpf.S deleted file mode 100644 index 05f0555..0000000 --- a/newlib/libc/machine/i386/f_frexpf.S +++ /dev/null @@ -1,43 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of frexpf using Intel float instructions. - - float _f_frexpf (float x, int *exp); - -Function splits x into y * 2 ** z. It then -returns the value of y and updates *exp with z. -There is no error checking or setting of errno. -*/ - - #include "i386mach.h" - - .global SYM (_f_frexpf) - -SYM (_f_frexpf): - pushl ebp - movl esp,ebp - flds 8(ebp) - movl 12(ebp),eax - - fxtract - fld1 - fchs - fxch - fscale - fstp st1 - fxch - fld1 - faddp - fistpl 0(eax) - - leave - ret diff --git a/newlib/libc/machine/i386/f_ldexp.S b/newlib/libc/machine/i386/f_ldexp.S deleted file mode 100644 index 8a87719..0000000 --- a/newlib/libc/machine/i386/f_ldexp.S +++ /dev/null @@ -1,33 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of ldexp using Intel float instructions. - - double _f_ldexp (double x, int exp); - -Function calculates x * 2 ** exp. -There is no error checking or setting of errno. -*/ - - #include "i386mach.h" - - .global SYM (_f_ldexp) - -SYM (_f_ldexp): - pushl ebp - movl esp,ebp - fild 16(ebp) - fldl 8(ebp) - fscale - fstp st1 - - leave - ret diff --git a/newlib/libc/machine/i386/f_ldexpf.S b/newlib/libc/machine/i386/f_ldexpf.S deleted file mode 100644 index e2bf387..0000000 --- a/newlib/libc/machine/i386/f_ldexpf.S +++ /dev/null @@ -1,33 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of ldexpf using Intel float instructions. - - float _f_ldexpf (float x, int exp); - -Function calculates x * 2 ** exp. -There is no error checking or setting of errno. -*/ - - #include "i386mach.h" - - .global SYM (_f_ldexpf) - -SYM (_f_ldexpf): - pushl ebp - movl esp,ebp - fild 12(ebp) - flds 8(ebp) - fscale - fstp st1 - - leave - ret diff --git a/newlib/libc/machine/i386/f_log.S b/newlib/libc/machine/i386/f_log.S deleted file mode 100644 index 8d5ea72..0000000 --- a/newlib/libc/machine/i386/f_log.S +++ /dev/null @@ -1,35 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of log using Intel float instructions. - - double _f_log (double x); - -Function calculates the log base e of x. -There is no error checking or setting of errno. -*/ - - #include "i386mach.h" - - .global SYM (_f_log) - -SYM (_f_log): - pushl ebp - movl esp,ebp - - fld1 - fldl2e - fdivrp - fldl 8(ebp) - fyl2x - - leave - ret diff --git a/newlib/libc/machine/i386/f_log10.S b/newlib/libc/machine/i386/f_log10.S deleted file mode 100644 index 95ab45b..0000000 --- a/newlib/libc/machine/i386/f_log10.S +++ /dev/null @@ -1,35 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of log10 using Intel float instructions. - - double _f_log10 (double x); - -Function calculates the log base 10 of x. -There is no error checking or setting of errno. -*/ - - #include "i386mach.h" - - .global SYM (_f_log10) - -SYM (_f_log10): - pushl ebp - movl esp,ebp - - fld1 - fldl2t - fdivrp - fldl 8(ebp) - fyl2x - - leave - ret diff --git a/newlib/libc/machine/i386/f_log10f.S b/newlib/libc/machine/i386/f_log10f.S deleted file mode 100644 index cdf321e..0000000 --- a/newlib/libc/machine/i386/f_log10f.S +++ /dev/null @@ -1,35 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of logf using Intel float instructions. - - float _f_log10f (float x); - -Function calculates the log base 10 of x. -There is no error checking or setting of errno. -*/ - - #include "i386mach.h" - - .global SYM (_f_log10f) - -SYM (_f_log10f): - pushl ebp - movl esp,ebp - - fld1 - fldl2t - fdivrp - flds 8(ebp) - fyl2x - - leave - ret diff --git a/newlib/libc/machine/i386/f_logf.S b/newlib/libc/machine/i386/f_logf.S deleted file mode 100644 index cff3b35..0000000 --- a/newlib/libc/machine/i386/f_logf.S +++ /dev/null @@ -1,35 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of logf using Intel float instructions. - - float _f_logf (float x); - -Function calculates the log base e of x. -There is no error checking or setting of errno. -*/ - - #include "i386mach.h" - - .global SYM (_f_logf) - -SYM (_f_logf): - pushl ebp - movl esp,ebp - - fld1 - fldl2e - fdivrp - flds 8(ebp) - fyl2x - - leave - ret diff --git a/newlib/libc/machine/i386/f_math.h b/newlib/libc/machine/i386/f_math.h deleted file mode 100644 index bd44b1e..0000000 --- a/newlib/libc/machine/i386/f_math.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef __F_MATH_H__ -#define __F_MATH_H__ - -#include <_ansi.h> -#include "fdlibm.h" - -__inline__ -static -int -_DEFUN (check_finite, (x), - double x) -{ - __int32_t hx; - GET_HIGH_WORD(hx,x); - return (int)((__uint32_t)((hx&0x7fffffff)-0x7ff00000)>>31); -} - -__inline__ -static -int -_DEFUN (check_finitef, (x), - float x) -{ - __int32_t ix; - GET_FLOAT_WORD(ix,x); - return (int)((__uint32_t)((ix&0x7fffffff)-0x7f800000)>>31); -} - -#endif /* __F_MATH_H__ */ diff --git a/newlib/libc/machine/i386/f_pow.c b/newlib/libc/machine/i386/f_pow.c deleted file mode 100644 index ac7dcfe..0000000 --- a/newlib/libc/machine/i386/f_pow.c +++ /dev/null @@ -1,44 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of pow using Intel float instructions. - - double _f_pow (double x, double y); - -Function calculates x to power of y. -The function optimizes the case where x is >0.0 and y is finite. -In such a case, there is no error checking or setting of errno. -All other cases defer to normal pow() function which will -set errno as normal. -*/ - -#include <math.h> -#include <ieeefp.h> -#include "f_math.h" - -double _f_pow (double x, double y) -{ - /* following sequence handles the majority of cases for pow() */ - if (x > 0.0 && check_finite(y)) - { - double result; - /* calculate x ** y as 2 ** (y log2(x)). On Intel, can only - raise 2 to an integer or a small fraction, thus, we have - to perform two steps 2**integer portion * 2**fraction. */ - asm ("fldl 8(%%ebp); fyl2x; fld %%st; frndint; fsub %%st,%%st(1);" \ - "fxch; fchs; f2xm1; fld1; faddp; fxch; fld1; fscale; fstp %%st(1);"\ - "fmulp" : "=t" (result) : "0" (y)); - return result; - } - else /* all other strange cases, defer to normal pow() */ - return pow (x,y); -} - diff --git a/newlib/libc/machine/i386/f_powf.c b/newlib/libc/machine/i386/f_powf.c deleted file mode 100644 index 501b6b1..0000000 --- a/newlib/libc/machine/i386/f_powf.c +++ /dev/null @@ -1,44 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of pow using Intel float instructions. - - float _f_powf (float x, float y); - -Function calculates x to power of y. -The function optimizes the case where x is >0.0 and y is finite. -In such a case, there is no error checking or setting of errno. -All other cases defer to normal powf() function which will -set errno as normal. -*/ - -#include <math.h> -#include <ieeefp.h> -#include "f_math.h" - -float _f_powf (float x, float y) -{ - /* following sequence handles the majority of cases for pow() */ - if (x > 0.0 && check_finitef(y)) - { - float result; - /* calculate x ** y as 2 ** (y log2(x)). On Intel, can only - raise 2 to an integer or a small fraction, thus, we have - to perform two steps 2**integer portion * 2**fraction. */ - asm ("flds 8(%%ebp); fyl2x; fld %%st; frndint; fsub %%st,%%st(1);" \ - "fxch; fchs; f2xm1; fld1; faddp; fxch; fld1; fscale; fstp %%st(1);"\ - "fmulp" : "=t" (result) : "0" (y)); - return result; - } - else /* all other strange cases, defer to normal pow() */ - return powf (x,y); -} - diff --git a/newlib/libc/machine/i386/f_tan.S b/newlib/libc/machine/i386/f_tan.S deleted file mode 100644 index 5221d5e..0000000 --- a/newlib/libc/machine/i386/f_tan.S +++ /dev/null @@ -1,32 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of tan using Intel float instructions. - - double _f_tan (double x); - -Function calculates the tangent of x. -There is no error checking or setting of errno. -*/ - - #include "i386mach.h" - - .global SYM (_f_tan) - -SYM (_f_tan): - pushl ebp - movl esp,ebp - fldl 8(ebp) - fptan - fincstp - - leave - ret diff --git a/newlib/libc/machine/i386/f_tanf.S b/newlib/libc/machine/i386/f_tanf.S deleted file mode 100644 index e8251e0..0000000 --- a/newlib/libc/machine/i386/f_tanf.S +++ /dev/null @@ -1,32 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -Fast version of tanf using Intel float instructions. - - float _f_tanf (float x); - -Function calculates the tangent of x. -There is no error checking or setting of errno. -*/ - - #include "i386mach.h" - - .global SYM (_f_tanf) - -SYM (_f_tanf): - pushl ebp - movl esp,ebp - flds 8(ebp) - fptan - fincstp - - leave - ret diff --git a/newlib/libc/machine/i386/i386mach.h b/newlib/libc/machine/i386/i386mach.h deleted file mode 100644 index fc595cb..0000000 --- a/newlib/libc/machine/i386/i386mach.h +++ /dev/null @@ -1,56 +0,0 @@ -/* This file was based on the modified setjmp.S performed by - * Joel Sherill (joel@OARcorp.com) which specified the use - * of the __USER_LABEL_PREFIX__ and __REGISTER_PREFIX__ macros. - ** - ** This file is distributed WITHOUT ANY WARRANTY; without even the implied - ** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - */ - -/* These are predefined by new versions of GNU cpp. */ - -#ifndef __USER_LABEL_PREFIX__ -#define __USER_LABEL_PREFIX__ _ -#endif - -#define __REG_PREFIX__ % - -/* ANSI concatenation macros. */ - -#define CONCAT1(a, b) CONCAT2(a, b) -#define CONCAT2(a, b) a##b - -/* Use the right prefix for global labels. */ - -#define SYM(x) CONCAT1(__USER_LABEL_PREFIX__, x) - -/* Use the right prefix for registers. */ - -#define REG(x) CONCAT1(__REG_PREFIX__, x) - -#define eax REG(eax) -#define ebx REG(ebx) -#define ecx REG(ecx) -#define edx REG(edx) -#define esi REG(esi) -#define edi REG(edi) -#define ebp REG(ebp) -#define esp REG(esp) - -#define st0 REG(st) -#define st1 REG(st(1)) - -#define ax REG(ax) -#define bx REG(bx) -#define cx REG(cx) -#define dx REG(dx) - -#define ah REG(ah) -#define bh REG(bh) -#define ch REG(ch) -#define dh REG(dh) - -#define al REG(al) -#define bl REG(bl) -#define cl REG(cl) -#define dl REG(dl) - diff --git a/newlib/libc/machine/i386/memchr.S b/newlib/libc/machine/i386/memchr.S deleted file mode 100644 index 40e29af..0000000 --- a/newlib/libc/machine/i386/memchr.S +++ /dev/null @@ -1,41 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - - #include "i386mach.h" - - .global SYM (memchr) - -SYM (memchr): - pushl ebp - movl esp,ebp - pushl edi - movl 12(ebp),eax - movl 16(ebp),ecx - movl 8(ebp),edi - - xorl edx,edx - testl ecx,ecx - jz L1 - - cld - repnz - scasb - - setnz dl - decl edi - decl edx - andl edi,edx -L1: - movl edx,eax - - leal -4(ebp),esp - popl edi - leave - ret diff --git a/newlib/libc/machine/i386/memcmp.S b/newlib/libc/machine/i386/memcmp.S deleted file mode 100644 index 23419dd..0000000 --- a/newlib/libc/machine/i386/memcmp.S +++ /dev/null @@ -1,75 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - - #include "i386mach.h" - - .global SYM (memcmp) - -SYM (memcmp): - - pushl ebp - movl esp,ebp - subl $16,esp - pushl ebx - pushl edi - pushl esi - movl 8(ebp),edi - movl 12(ebp),esi - movl 16(ebp),ecx - cld - -/* check if length is zero in which case just return 0 */ - - xorl eax,eax - testl ecx,ecx - jz L4 - -#ifndef __OPTIMIZE_SIZE__ - -/* if aligned on long boundary, compare doublewords at a time first */ - - movl edi,eax - orl esi,eax - testb $3,al - jne BYTECMP - movl ecx,ebx - shrl $2,ecx /* calculate number of long words to compare */ - repz - cmpsl - jz L5 - subl $4,esi - subl $4,edi - movl $4,ecx - jmp BYTECMP -L5: - andl $3,ebx /* calculate number of remaining bytes */ - movl ebx,ecx - -#endif /* not __OPTIMIZE_SIZE__ */ - -BYTECMP: /* compare any unaligned bytes or remainder bytes */ - repz - cmpsb - -/* set output to be < 0 if less than, 0 if equal, or > 0 if greater than */ -L3: - xorl edx,edx - movb -1(esi),dl - xorl eax,eax - movb -1(edi),al - subl edx,eax - -L4: - leal -28(ebp),esp - popl esi - popl edi - popl ebx - leave - ret diff --git a/newlib/libc/machine/i386/memcpy.S b/newlib/libc/machine/i386/memcpy.S deleted file mode 100644 index bf1dd6b..0000000 --- a/newlib/libc/machine/i386/memcpy.S +++ /dev/null @@ -1,58 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - - #include "i386mach.h" - - .global SYM (memcpy) - -SYM (memcpy): - - pushl ebp - movl esp,ebp - subl $16,esp - pushl edi - pushl esi - movl 8(ebp),edi - movl 12(ebp),esi - movl 16(ebp),ecx - cld - -#ifndef __OPTIMIZE_SIZE__ -/* if aligned on long boundary, move doublewords at a time first */ - - movl edi,eax - orl esi,eax - testb $3,al - jne BYTEMOVE - shrl $2,ecx - rep - movsl - -/* calculate any remainder bytes after moving doublewords */ - - movl 16(ebp),ecx - andl $3,ecx -#endif /* not __OPTIMIZE_SIZE__ */ - -/* move any unaligned bytes or remainder bytes, one at a time */ - -BYTEMOVE: - rep - movsb - -/* return destination address */ - - movl 8(ebp),eax - - leal -24(ebp),esp - popl esi - popl edi - leave - ret diff --git a/newlib/libc/machine/i386/memmove.S b/newlib/libc/machine/i386/memmove.S deleted file mode 100644 index e1aca0d..0000000 --- a/newlib/libc/machine/i386/memmove.S +++ /dev/null @@ -1,74 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - - #include "i386mach.h" - - .global SYM (memmove) - -SYM (memmove): - - pushl ebp - movl esp,ebp - pushl esi - pushl edi - pushl ebx - movl 8(ebp),edi - movl 16(ebp),ecx - movl 12(ebp),esi - -/* check for destructive overlap (src < dst && dst < src + length) */ - - cld - cmpl edi,esi - jae .L2 - leal -1(ecx,esi),ebx - cmpl ebx,edi - ja .L2 - -/* destructive overlap, must copy backwards...do it a byte at a time since it is uncommon */ - - decl edi - movl ebx,esi - addl ecx,edi - std - jmp BYTEMOVE -.L2: -#ifndef __OPTIMIZE_SIZE__ -/* non-destructive overlap so we can try and move 4 bytes at a time */ - - movl esi,eax - orl edi,eax - testb $3,al - jne BYTEMOVE - shrl $2,ecx - rep - movsl - -/* calculate any remainder bytes after moving doublewords */ - - movl 16(ebp),ecx - andl $3,ecx - -#endif /* not __OPTIMIZE_SIZE__ */ - -/* move any unaligned bytes or remainder bytes, one at a time */ - -BYTEMOVE: - rep - movsb - - movl 8(ebp),eax - - leal -12(ebp),esp - popl ebx - popl edi - popl esi - leave - ret diff --git a/newlib/libc/machine/i386/memset.S b/newlib/libc/machine/i386/memset.S deleted file mode 100644 index 12e33e4..0000000 --- a/newlib/libc/machine/i386/memset.S +++ /dev/null @@ -1,59 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - - #include "i386mach.h" - - .global SYM (memset) - -SYM (memset): - - pushl ebp - movl esp,ebp - pushl edi - pushl ebx - movl 8(ebp),edi - movl 12(ebp),eax - movl 16(ebp),ecx - cld - -#ifndef __OPTIMIZE_SIZE__ - andl $255,eax - movl ecx,ebx - testl $3,edi - jne .L19 - cmpl $16,ecx - jbe .L19 - - movl eax,edx - sall $8,eax - orl edx,eax - - movl eax,edx - sall $16,edx - orl edx,eax - - shrl $2,ecx - andl $3,ebx - rep - stosl - movl ebx,ecx -#endif /* not __OPTIMIZE_SIZE__ */ - -.L19: - rep - stosb - - movl 8(ebp),eax - - leal -8(ebp),esp - popl ebx - popl edi - leave - ret diff --git a/newlib/libc/machine/i386/setjmp.S b/newlib/libc/machine/i386/setjmp.S deleted file mode 100644 index 0f4b537..0000000 --- a/newlib/libc/machine/i386/setjmp.S +++ /dev/null @@ -1,136 +0,0 @@ -/* This is file is a merger of SETJMP.S and LONGJMP.S */ -/* - * This file was modified to use the __USER_LABEL_PREFIX__ and - * __REGISTER_PREFIX__ macros defined by later versions of GNU cpp by - * Joel Sherrill (joel@OARcorp.com) - * - ** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954 - ** - ** This file is distributed under the terms listed in the document - ** "copying.dj", available from DJ Delorie at the address above. - ** A copy of "copying.dj" should accompany this file; if not, a copy - ** should be available from where this file was obtained. This file - ** may not be distributed without a verbatim copy of "copying.dj". - ** - ** This file is distributed WITHOUT ANY WARRANTY; without even the implied - ** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - */ - - /* - ** jmp_buf: - ** eax ebx ecx edx esi edi ebp esp eip - ** 0 4 8 12 16 20 24 28 32 - */ - -/* These are predefined by new versions of GNU cpp. */ - -#ifndef __USER_LABEL_PREFIX__ -#define __USER_LABEL_PREFIX__ _ -#endif - -/***************************** TEMPORARY ****************************** - * - * It appears that the i386-coff configuration of gcc 2.6.2 does not - * do the __REGISTER_PREFIX__ correctly. Fix this when it does. - **********************************************************************/ -#define __REGISTER_PREFIX__ % -#ifndef __REGISTER_PREFIX__ -#define __REGISTER_PREFIX__ -#endif - -/* ANSI concatenation macros. */ - -#define CONCAT1(a, b) CONCAT2(a, b) -#define CONCAT2(a, b) a ## b - -/* Use the right prefix for global labels. */ - -#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x) - -/* Use the right prefix for registers. */ - -#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x) - -#define eax REG (eax) -#define ebx REG (ebx) -#define ecx REG (ecx) -#define edx REG (edx) -#define esi REG (esi) -#define edi REG (edi) -#define ebp REG (ebp) -#define esp REG (esp) - -#define ax REG (ax) -#define bx REG (bx) -#define cx REG (cx) -#define dx REG (dx) - -#define ah REG (ah) -#define bh REG (bh) -#define ch REG (ch) -#define dh REG (dh) - -#define al REG (al) -#define bl REG (bl) -#define cl REG (cl) -#define dl REG (dl) - - .global SYM (setjmp) - .global SYM (longjmp) - -SYM (setjmp): - - pushl ebp - movl esp,ebp - - pushl edi - movl 8 (ebp),edi - - movl eax,0 (edi) - movl ebx,4 (edi) - movl ecx,8 (edi) - movl edx,12 (edi) - movl esi,16 (edi) - - movl -4 (ebp),eax - movl eax,20 (edi) - - movl 0 (ebp),eax - movl eax,24 (edi) - - movl esp,eax - addl $12,eax - movl eax,28 (edi) - - movl 4 (ebp),eax - movl eax,32 (edi) - - popl edi - movl $0,eax - leave - ret - -SYM (longjmp): - pushl ebp - movl esp,ebp - - movl 8(ebp),edi /* get jmp_buf */ - movl 12(ebp),eax /* store retval in j->eax */ - movl eax,0(edi) - - movl 24(edi),ebp - - cli - movl 28(edi),esp - - pushl 32(edi) - - movl 0(edi),eax - movl 4(edi),ebx - movl 8(edi),ecx - movl 12(edi),edx - movl 16(edi),esi - movl 20(edi),edi - sti - - ret diff --git a/newlib/libc/machine/i386/strchr.S b/newlib/libc/machine/i386/strchr.S deleted file mode 100644 index 179c4a2..0000000 --- a/newlib/libc/machine/i386/strchr.S +++ /dev/null @@ -1,84 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - - #include "i386mach.h" - - .global SYM (strchr) - -SYM (strchr): - - pushl ebp - movl esp,ebp - pushl edi - pushl ebx - xorl ebx,ebx - movl 8(ebp),edi - movb 12(ebp),bl - -#ifndef __OPTIMIZE_SIZE__ -/* check if string is aligned, if not do check one byte at a time */ - testb $3,al - jne L9 - -/* create 4 byte mask which is just the desired byte repeated 4 times */ - movl ebx,ecx - sall $8,ebx - subl $4,edi - orl ecx,ebx - movl ebx,edx - sall $16,ebx - orl edx,ebx - -/* loop performing 4 byte mask checking for 0 byte or desired byte */ - .p2align 4,,7 -L10: - addl $4,edi - movl (edi),ecx - leal -16843009(ecx),edx - movl ecx,eax - notl eax - andl eax,edx - testl $-2139062144,edx - jne L9 - - movl ebx,eax - xorl ecx,eax - leal -16843009(eax),edx - notl eax - andl eax,edx - testl $-2139062144,edx - je L10 -#endif /* not __OPTIMIZE_SIZE__ */ - -/* loop while (*s && *s++ != c) */ -L9: - leal -1(edi),eax - .p2align 4,,7 -L15: - incl eax - movb (eax),dl - testb dl,dl - je L14 - cmpb bl,dl - jne L15 - -L14: -/* if (*s == c) return address otherwise return NULL */ - cmpb bl,(eax) - je L19 - xorl eax,eax - -L19: - leal -8(ebp),esp - popl ebx - popl edi - leave - ret - diff --git a/newlib/libc/machine/i386/strlen.S b/newlib/libc/machine/i386/strlen.S deleted file mode 100644 index cae390a..0000000 --- a/newlib/libc/machine/i386/strlen.S +++ /dev/null @@ -1,34 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. - * - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - - #include "i386mach.h" - - .global SYM (strlen) - -SYM (strlen): - - pushl ebp - movl esp,ebp - pushl edi - movl 8(ebp),edx - - cld - movl edx,edi - movl $4294967295,ecx - xor eax,eax - repnz - scasb - subl edx,edi - leal -1(edi),eax - - leal -4(ebp),esp - popl edi - leave - ret |