s390(x) port

dev
Dan Horák 6 years ago
parent cca41bc1ab
commit 2a1e56858a
  1. 3
      Make.inc
  2. 2
      Makefile
  3. 2
      include/openlibm_fenv.h
  4. 235
      include/openlibm_fenv_s390.h
  5. 1
      s390/Make.files
  6. 50
      s390/fenv.c
  7. 2
      src/fpmath.h
  8. 51
      src/s390_fpmath.h

@ -60,6 +60,9 @@ endif
ifeq ($(findstring ppc,$(ARCH)),ppc)
override ARCH := powerpc
endif
ifeq ($(findstring s390,$(ARCH)),s390)
override ARCH := s390
endif
ifneq ($(filter $(ARCH),i386 i486 i586 i686 i387 i487 i587 i687),)
override ARCH := i387
MARCH ?= i686

@ -72,7 +72,7 @@ test/test-float: libopenlibm.$(OLM_MAJOR_MINOR_SHLIB_EXT)
$(MAKE) -C test test-float
clean:
rm -f aarch64/*.o amd64/*.o arm/*.o bsdsrc/*.o i387/*.o ld80/*.o ld128/*.o src/*.o powerpc/*.o mips/*.o
rm -f aarch64/*.o amd64/*.o arm/*.o bsdsrc/*.o i387/*.o ld80/*.o ld128/*.o src/*.o powerpc/*.o mips/*.o s390/*.o
rm -f libopenlibm.a libopenlibm.*$(SHLIB_EXT)*
$(MAKE) -C test clean

@ -12,6 +12,8 @@
#include <openlibm_fenv_powerpc.h>
#elif defined(__mips__)
#include <openlibm_fenv_mips.h>
#elif defined(__s390__)
#include <openlibm_fenv_s390.h>
#else
#error "Unsupported platform"
#endif

@ -0,0 +1,235 @@
/*-
* Copyright (c) 2016 Dan Horák <dan[at]danny.cz>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _FENV_H_
#define _FENV_H_
#include <sys/types.h>
#ifndef __fenv_static
#define __fenv_static static
#endif
typedef __uint32_t fenv_t;
typedef __uint32_t fexcept_t;
/* Exception flags */
#define FE_INEXACT 0x080000
#define FE_UNDERFLOW 0x100000
#define FE_OVERFLOW 0x200000
#define FE_DIVBYZERO 0x400000
#define FE_INVALID 0x800000 /* all types of invalid FP ops */
#define FE_ALL_EXCEPT (FE_INVALID | FE_DIVBYZERO | FE_INEXACT | FE_OVERFLOW | FE_UNDERFLOW)
/* Rounding modes */
#define FE_TONEAREST 0x0000
#define FE_TOWARDZERO 0x0001
#define FE_UPWARD 0x0002
#define FE_DOWNWARD 0x0003
#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \
FE_UPWARD | FE_TOWARDZERO)
__BEGIN_DECLS
/* Default floating-point environment */
extern const fenv_t __fe_dfl_env;
#define FE_DFL_ENV (&__fe_dfl_env)
/* We need to be able to map status flag positions to mask flag positions */
#define _FPC_EXC_MASK_SHIFT 8
#define _ENABLE_MASK ((FE_DIVBYZERO | FE_INEXACT | FE_INVALID | \
FE_OVERFLOW | FE_UNDERFLOW) << _FPC_EXC_MASK_SHIFT)
/* Macros for accessing the hardware control word. */
#define _FPU_GETCW(cw) __asm__ __volatile__ ("efpc %0,0" : "=d" (cw))
#define _FPU_SETCW(cw) __asm__ __volatile__ ("sfpc %0,0" : : "d" (cw))
__fenv_static inline int
feclearexcept(int __excepts)
{
fexcept_t __r;
if (__excepts & FE_INVALID)
__excepts |= FE_ALL_EXCEPT;
_FPU_GETCW(__r);
__r &= ~__excepts;
_FPU_SETCW(__r);
return (0);
}
__fenv_static inline int
fegetexceptflag(fexcept_t *__flagp, int __excepts)
{
fexcept_t __r;
_FPU_GETCW(__r);
*__flagp = __r & __excepts;
return (0);
}
__fenv_static inline int
fesetexceptflag(const fexcept_t *__flagp, int __excepts)
{
fexcept_t __r;
if (__excepts & FE_INVALID)
__excepts |= FE_ALL_EXCEPT;
_FPU_GETCW(__r);
__r &= ~__excepts;
__r |= *__flagp & __excepts;
_FPU_SETCW(__r);
return (0);
}
__fenv_static inline int
feraiseexcept(int __excepts)
{
fexcept_t __r;
_FPU_GETCW(__r);
__r |= __excepts;
_FPU_SETCW(__r);
return (0);
}
__fenv_static inline int
fetestexcept(int __excepts)
{
fexcept_t __r;
_FPU_GETCW(__r);
return (__r & __excepts);
}
__fenv_static inline int
fegetround(void)
{
fexcept_t __r;
_FPU_GETCW(__r);
return (__r & _ROUND_MASK);
}
__fenv_static inline int
fesetround(int __round)
{
fexcept_t __r;
if (__round & ~_ROUND_MASK)
return (-1);
_FPU_GETCW(__r);
__r &= ~_ROUND_MASK;
__r |= __round;
_FPU_SETCW(__r);
return (0);
}
__fenv_static inline int
fegetenv(fenv_t *__envp)
{
_FPU_GETCW(*__envp);
return (0);
}
__fenv_static inline int
feholdexcept(fenv_t *__envp)
{
fexcept_t __r;
_FPU_GETCW(__r);
*__envp = __r;
__r &= ~(FE_ALL_EXCEPT | _ENABLE_MASK);
_FPU_SETCW(__r);
return (0);
}
__fenv_static inline int
fesetenv(const fenv_t *__envp)
{
_FPU_SETCW(*__envp);
return (0);
}
__fenv_static inline int
feupdateenv(const fenv_t *__envp)
{
fexcept_t __r;
_FPU_GETCW(__r);
__r &= FE_ALL_EXCEPT;
__r |= *__envp;
_FPU_SETCW(__r);
return (0);
}
#if __BSD_VISIBLE
/* We currently provide no external definitions of the functions below. */
static inline int
feenableexcept(int __mask)
{
fenv_t __r;
fenv_t __oldmask;
_FPU_GETCW(__r);
__oldmask = __r;
__r |= (__mask & FE_ALL_EXCEPT) << _FPC_EXC_MASK_SHIFT;
_FPU_SETCW(__r);
return ((__oldmask & _ENABLE_MASK) >> _FPC_EXC_MASK_SHIFT);
}
static inline int
fedisableexcept(int __mask)
{
fenv_t __r;
fenv_t __oldmask;
_FPU_GETCW(__r);
__oldmask = __r;
__r &= ~((__mask & FE_ALL_EXCEPT) << _FPC_EXC_MASK_SHIFT);
_FPU_SETCW(__r);
return ((__oldmask & _ENABLE_MASK) >> _FPC_EXC_MASK_SHIFT);
}
static inline int
fegetexcept(void)
{
fexcept_t __r;
_FPU_GETCW(__r);
return (__r & (_ENABLE_MASK >> _FPC_EXC_MASK_SHIFT));
}
#endif /* __BSD_VISIBLE */
__END_DECLS
#endif /* !_FENV_H_ */

@ -0,0 +1 @@
$(CUR_SRCS) = fenv.c

@ -0,0 +1,50 @@
/*-
* Copyright (c) 2016 Dan Horák <dan[at]danny.cz>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*
* cloned from ppc/fenv.c
*/
#define __fenv_static
#include <openlibm_fenv.h>
#ifdef __GNUC_GNU_INLINE__
#error "This file must be compiled with C99 'inline' semantics"
#endif
const fenv_t __fe_dfl_env = 0x00000000;
extern inline int feclearexcept(int __excepts);
extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts);
extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
extern inline int feraiseexcept(int __excepts);
extern inline int fetestexcept(int __excepts);
extern inline int fegetround(void);
extern inline int fesetround(int __round);
extern inline int fegetenv(fenv_t *__envp);
extern inline int feholdexcept(fenv_t *__envp);
extern inline int fesetenv(const fenv_t *__envp);
extern inline int feupdateenv(const fenv_t *__envp);

@ -41,6 +41,8 @@
#include "powerpc_fpmath.h"
#elif defined(__mips__)
#include "mips_fpmath.h"
#elif defined(__s390__)
#include "s390_fpmath.h"
#endif
/* Definitions provided directly by GCC and Clang. */

@ -0,0 +1,51 @@
/*-
* Copyright (c) 2016 Dan Horák <dan[at]danny.cz>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*
* cloned from powerpc_fpmath.h
*/
union IEEEl2bits {
long double e;
struct {
unsigned int sign :1;
unsigned int exp :11;
unsigned int manh :20;
unsigned int manl :32;
} bits;
};
#define mask_nbit_l(u) ((void)0)
#define LDBL_IMPLICIT_NBIT
#define LDBL_NBIT 0
#define LDBL_MANH_SIZE 20
#define LDBL_MANL_SIZE 32
#define LDBL_TO_ARRAY32(u, a) do { \
(a)[0] = (uint32_t)(u).bits.manl; \
(a)[1] = (uint32_t)(u).bits.manh; \
} while(0)
Loading…
Cancel
Save