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/* PPU intrinsics as defined by the C/C++ Language extension for Cell BEA.

   Copyright (C) 2007, 2009 Free Software Foundation, Inc.

   This file is free software; you can redistribute it and/or modify it under

   the terms of the GNU General Public License as published by the Free

   Software Foundation; either version 3 of the License, or (at your option)

   any later version.

   This file 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 General Public License

   for more details.

   Under Section 7 of GPL version 3, you are granted additional

   permissions described in the GCC Runtime Library Exception, version

   3.1, as published by the Free Software Foundation.

   You should have received a copy of the GNU General Public License and

   a copy of the GCC Runtime Library Exception along with this program;

   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

   <http://www.gnu.org/licenses/>.  */

/*  TODO:

    misc ops (traps)

    supervisor/hypervisor mode ops.  */

#ifndef  _PPU_INTRINSICS_H

#define _PPU_INTRINSICS_H

#if !defined(__PPU__) && !defined(__ppc__) && !defined(__ppc64__) \

    && !defined(__GNUC__)

  #error ppu_intrinsics.h included on wrong platform/compiler

#endif

#ifdef __cplusplus

extern "C" {

#endif 

/*

 * unsigned int __cntlzw(unsigned int)

 * unsigned int __cntlzd(unsigned long long)

 * int __mulhw(int, int)

 * unsigned int __mulhwu(unsigned int, unsigned int)

 * long long __mulhd(long long, long long)

 * unsigned long long __mulhdu(unsigned long long, unsigned long long)

 *

 * void __sync(void)

 * void __isync(void)

 * void __lwsync(void)

 * void __eieio(void)

 *

 * void __nop(void)

 * void __cctpl(void)

 * void __cctpm(void)

 * void __cctph(void)

 * void __db8cyc(void)

 * void __db10cyc(void)

 * void __db12cyc(void)

 * void __db16cyc(void)

 *

 * void __mtspr(unsigned int spr, unsigned long long value)

 * unsigned long long __mfspr(unsigned int spr)

 * unsigned long long __mftb(void)

 *

 * void __icbi(void *base)

 * void __dcbi(void *base)

 *

 * void __dcbf(void *base)

 * void __dcbz(void *base)

 * void __dcbst(void *base)

 * void __dcbtst(void *base)

 * void __dcbt(void *base)

 * void __dcbt_TH1000(void *EATRUNC, bool D, bool UG, int ID)

 * void __dcbt_TH1010(bool GO, int S, int UNITCNT, bool T, bool U, int ID)

 *

 * unsigned __lwarx(void *base)

 * unsigned long long __ldarx(void *base)

 * bool __stwcx(void *base, unsigned value)

 * bool __stdcx(void *base, unsigned long long value)

 *

 * unsigned short __lhbrx(void *base)

 * unsigned int __lwbrx(void *base)

 * unsigned long long __ldbrx(void *base)

 * void __sthbrx(void *base, unsigned short value)

 * void __stwbrx(void *base, unsigned int value)

 * void __stdbrx(void *base, unsigned long long value)

 *

 * double __fabs(double x)

 * float __fabsf(float x)

 * double __fnabs(double x)

 * float __fnabsf(float x)

 * double __fmadd(double x, double y, double z)

 * double __fmsub(double x, double y, double z)

 * double __fnmadd(double x, double y, double z)

 * double __fnmsub(double x, double y, double z)

 * float __fmadds(float x, float y, float z)

 * float __fmsubs(float x, float y, float z)

 * float __fnmadds(float x, float y, float z)

 * float __fnmsubs(float x, float y, float z)

 * double __fsel(double x, double y, double z)

 * float __fsels(float x, float y, float z)

 * double __frsqrte(double x)

 * float __fres(float x)

 * double __fsqrt(double x)

 * float __fsqrts(float x)

 * long long __fctid(double x)

 * long long __fctiw(double x)

 * double __fcfid(long long x)

 * double __mffs(void)

 * void __mtfsf(int mask, double value)

 * void __mtfsfi(int bits, int field)

 * void __mtfsb0(int)

 * void __mtfsb1(int)

 * double __setflm(double)

 *

 * dcbt intrinsics

 * void __protected_unlimited_stream_set (unsigned int direction, const void *add, unsigned int ID)

 * void __protected_stream_set (unsigned int direction, const void *add, unsigned int ID)

 * void __protected_stream_stop_all (void)

 * void __protected_stream_stop (unsigned int ID)

 * void __protected_stream_count (unsigned int unit_cnt, unsigned int ID)

 * void __protected_stream_go (void)

 */

typedef int __V4SI __attribute__((vector_size(16)));

#define __cntlzw(v) __builtin_clz(v)

#define __cntlzd(v) __builtin_clzll(v)

#define __mulhw(a,b) __extension__ \

  ({int result;                    \

  __asm__ ("mulhw %0,%1,%2"        \

           : "=r" (result)         \

           : "r" ((int) (a)),      \

             "r" ((int) (b)));     \

  result; })

#define __mulhwu(a,b) __extension__     \

  ({unsigned int result;                \

  __asm__ ("mulhwu %0,%1,%2"            \

           : "=r" (result)              \

           : "r" ((unsigned int) (a)),  \

             "r" ((unsigned int) (b))); \

  result; })

#ifdef __powerpc64__

#define __mulhd(a,b) __extension__   \

  ({ long long result;               \

  __asm__ ("mulhd %0,%1,%2"          \

           : "=r" (result)           \

           : "r" ((long long) (a)),  \

             "r" ((long long) (b))); \

  result; })

#define __mulhdu(a,b) __extension__           \

  ({unsigned long long result;                \

  __asm__ ("mulhdu %0,%1,%2"                  \

           : "=r" (result)                    \

           : "r" ((unsigned long long) (a)),  \

             "r" ((unsigned long long) (b))); \

  result; })

#endif /* __powerpc64__ */

#define __sync() __asm__ volatile ("sync" : : : "memory")

#define __isync() __asm__ volatile ("isync" : : : "memory")

#define __lwsync() __asm__ volatile ("lwsync" : : : "memory")

#define __eieio() __asm__ volatile ("eieio" : : : "memory")

#define __nop() __asm__ volatile ("ori 0,0,0" : : : "memory")

#define __cctpl() __asm__ volatile ("or 1,1,1" : : : "memory")

#define __cctpm() __asm__ volatile ("or 2,2,2" : : : "memory")

#define __cctph() __asm__ volatile ("or 3,3,3" : : : "memory")

#define __db8cyc() __asm__ volatile ("or 28,28,28" : : : "memory")

#define __db10cyc() __asm__ volatile ("or 29,29,29" : : : "memory")

#define __db12cyc() __asm__ volatile ("or 30,30,30" : : : "memory")

#define __db16cyc() __asm__ volatile ("or 31,31,31" : : : "memory")

#ifdef __powerpc64__

#define __mtspr(spr, value) \

  __asm__ volatile ("mtspr %0,%1" : : "n" (spr), "r" (value))

#define __mfspr(spr) __extension__                              \

  ({ unsigned long long result;                                 \

  __asm__ volatile ("mfspr %0,%1" : "=r" (result) : "n" (spr)); \

  result; })

#endif /* __powerpc64__ */

#ifdef __powerpc64__

/* Work around the hardware bug in the current Cell implementation.  */

#define __mftb() __extension__                                  \

  ({ unsigned long long result;                                 \

  __asm__ volatile ("1: mftb %[current_tb]\n"                   \

      "\tcmpwi 7, %[current_tb], 0\n"                           \

      "\tbeq-  7, 1b"                                           \

      : [current_tb] "=r" (result):                             \

      :"cr7");                                                  \

  result; })

#else

#define __mftb() __extension__                  \

  ({ unsigned long long result;                 \

  unsigned long t;                              \

  __asm__ volatile ("1:\n"                      \

                    "\tmftbu %0\n"              \

                    "\tmftb %L0\n"              \

                    "\tmftbu %1\n"              \

                    "\tcmpw %0,%1\n"            \

                    "\tbne 1b"                  \

                    : "=r" (result), "=r" (t)); \

  result; })

#endif /* __powerpc64__ */

#define __dcbf(base) \

  __asm__ volatile ("dcbf %y0" : "=Z" (*(__V4SI*) (base)) : : "memory")

#define __dcbz(base) \

  __asm__ volatile ("dcbz %y0" : "=Z" (*(__V4SI*) (base)) : : "memory")

#define __dcbst(base) \

  __asm__ volatile ("dcbst %y0" : "=Z" (*(__V4SI*) (base)) : : "memory")

#define __dcbtst(base) \

  __asm__ volatile ("dcbtst %y0" : "=Z" (*(__V4SI*) (base)) : : "memory")

#define __dcbt(base) \

  __asm__ volatile ("dcbt %y0" : "=Z" (*(__V4SI*) (base)) : : "memory")

#define __icbi(base) \

  __asm__ volatile ("icbi %y0" : "=Z" (*(__V4SI*) (base)) : : "memory")

#define __dcbt_TH1000(EATRUNC, D, UG, ID)                               \

  __asm__ volatile ("dcbt %y0,8"                                        \

           : "=Z" (*(__V4SI*) (__SIZE_TYPE__)((((__SIZE_TYPE__) (EATRUNC)) & ~0x7F)     \

                               | ((((D) & 1) << 6)                      \

                               | (((UG) & 1) << 5)                      \

                               | ((ID) & 0xF)))) : : "memory")

#define __dcbt_TH1010(GO, S, UNITCNT, T, U, ID)                      \

  __asm__ volatile ("dcbt %y0,10"                                    \

           : "=Z" (*(__V4SI*) (__SIZE_TYPE__)((((__SIZE_TYPE__) (GO) & 1) << 31) \

                               | (((S) & 0x3) << 29)                 \

                               | (((UNITCNT) & 0x3FF) << 7)          \

                               | (((T) & 1) << 6)                            \

                               | (((U) & 1) << 5)                            \

                               | ((ID) & 0xF))) : : "memory")

#define __protected_unlimited_stream_set(DIRECTION, ADDR, ID)   \

        __dcbt_TH1000 ((ADDR), (DIRECTION)>>1, 1, (ID))

#define __protected_stream_set(DIRECTION, ADDR, ID)     \

        __dcbt_TH1000 ((ADDR), (DIRECTION)>>1, 0, (ID))

#define __protected_stream_stop_all()                   \

        __dcbt_TH1010 (0, 3, 0, 0, 0, 0)

#define __protected_stream_stop(ID)                     \

        __dcbt_TH1010 (0, 2, 0, 0, 0, (ID))

#define __protected_stream_count(COUNT, ID)             \

        __dcbt_TH1010 (0, 0, (COUNT), 0, 0, (ID))

#define __protected_stream_go()                         \

        __dcbt_TH1010 (1, 0, 0, 0, 0, 0)

#define __lhbrx(base) __extension__             \

  ({unsigned short result;                      \

    typedef  struct {char a[2];} halfwordsize;  \

    halfwordsize *ptrp = (halfwordsize*)(void*)(base);  \

  __asm__ ("lhbrx %0,%y1"                       \

           : "=r" (result)                      \

           : "Z" (*ptrp));                      \

  result; })

#define __lwbrx(base) __extension__             \

  ({unsigned int result;                        \

    typedef  struct {char a[4];} wordsize;      \

    wordsize *ptrp = (wordsize*)(void*)(base);          \

  __asm__ ("lwbrx %0,%y1"                       \

           : "=r" (result)                      \

           : "Z" (*ptrp));                      \

  result; })

#ifdef __powerpc64__

#define __ldbrx(base) __extension__                     \

  ({unsigned long long result;                          \

    typedef  struct {char a[8];} doublewordsize;        \

    doublewordsize *ptrp = (doublewordsize*)(void*)(base);      \

  __asm__ ("ldbrx %0,%y1"                               \

           : "=r" (result)                              \

           : "Z" (*ptrp));                              \

  result; })

#else

#define __ldbrx(base) __extension__                     \

  ({unsigned long long result;                          \

    typedef  struct {char a[8];} doublewordsize;        \

    doublewordsize *ptrp = (doublewordsize*)(void*)(base);      \

  __asm__ ("lwbrx %L0,%y1\n"                            \

           "\tlwbrx %0,%y2"                             \

           : "=&r" (result)                             \

           : "Z" (*ptrp), "Z" (*((char *) ptrp + 4)));  \

  result; })

#endif /* __powerpc64__ */

#define __sthbrx(base, value) do {                      \

    typedef  struct {char a[2];} halfwordsize;          \

    halfwordsize *ptrp = (halfwordsize*)(void*)(base);          \

    __asm__ ("sthbrx %1,%y0"                            \

           : "=Z" (*ptrp)                               \

           : "r" (value));                              \

   } while (0)

#define __stwbrx(base, value) do {              \

    typedef  struct {char a[4];} wordsize;      \

    wordsize *ptrp = (wordsize*)(void*)(base);          \

    __asm__ ("stwbrx %1,%y0"                    \

           : "=Z" (*ptrp)                       \

           : "r" (value));                      \

   } while (0)

#ifdef __powerpc64__

#define __stdbrx(base, value) do {                      \

    typedef  struct {char a[8];} doublewordsize;        \

    doublewordsize *ptrp = (doublewordsize*)(void*)(base);      \

    __asm__ ("stdbrx %1,%y0"                            \

           : "=Z" (*ptrp)                               \

           : "r" (value));                              \

   } while (0)

#else

#define __stdbrx(base, value) do {                      \

    typedef  struct {char a[8];} doublewordsize;        \

    doublewordsize *ptrp = (doublewordsize*)(void*)(base);      \

    __asm__ ("stwbrx %L2,%y0\n"                         \

             "\tstwbrx %2,%y1"                          \

           : "=Z" (*ptrp), "=Z" (*((char *) ptrp + 4))  \

           : "r" (value));                              \

   } while (0)

#endif /* __powerpc64__ */

#define __lwarx(base) __extension__             \

  ({unsigned int result;                        \

    typedef  struct {char a[4];} wordsize;      \

    wordsize *ptrp = (wordsize*)(void*)(base);  \

  __asm__ volatile ("lwarx %0,%y1"              \

           : "=r" (result)                      \

           : "Z" (*ptrp));                      \

  result; })

#ifdef __powerpc64__

#define __ldarx(base) __extension__                     \

  ({unsigned long long result;                          \

    typedef  struct {char a[8];} doublewordsize;        \

    doublewordsize *ptrp = (doublewordsize*)(void*)(base);      \

  __asm__ volatile ("ldarx %0,%y1"                      \

           : "=r" (result)                              \

           : "Z" (*ptrp));                              \

  result; })

#endif /* __powerpc64__ */

#define __stwcx(base, value) __extension__      \

  ({unsigned int result;                        \

    typedef  struct {char a[4];} wordsize;      \

    wordsize *ptrp = (wordsize*)(void*)(base);  \

  __asm__ volatile ("stwcx. %2,%y1\n"           \

           "\tmfocrf %0,0x80"                   \

           : "=r" (result),                     \

             "=Z" (*ptrp)                       \

           : "r" (value) : "cr0");              \

  ((result & 0x20000000) >> 29); })

#ifdef __powerpc64__

#define __stdcx(base, value) __extension__              \

  ({unsigned long long result;                          \

    typedef  struct {char a[8];} doublewordsize;        \

    doublewordsize *ptrp = (doublewordsize*)(void*)(base);      \

  __asm__ volatile ("stdcx. %2,%y1\n"                   \

           "\tmfocrf %0,0x80"                           \

           : "=r" (result),                             \

             "=Z" (*ptrp)                               \

           : "r" (value) : "cr0");                      \

  ((result & 0x20000000) >> 29); })

#endif /* __powerpc64__ */

#define __mffs() __extension__                  \

  ({double result;                              \

  __asm__ volatile ("mffs %0" : "=d" (result)); \

  result; })

#define __mtfsf(mask,value) \

  __asm__ volatile ("mtfsf %0,%1" : : "n" (mask), "d" ((double) (value)))

#define __mtfsfi(bits,field) \

  __asm__ volatile ("mtfsfi %0,%1" : : "n" (bits), "n" (field))

#define __mtfsb0(bit) __asm__ volatile ("mtfsb0 %0" : : "n" (bit))

#define __mtfsb1(bit) __asm__ volatile ("mtfsb1 %0" : : "n" (bit))

#define __setflm(v) __extension__             \

  ({double result;                            \

  __asm__ volatile ("mffs %0\n\tmtfsf 255,%1" \

                    : "=&d" (result)          \

                    : "d" ((double) (v)));    \

  result; })

/* __builtin_fabs may perform unnecessary rounding.  */

/* Rename __fabs and __fabsf to work around internal prototypes defined

   in bits/mathcalls.h with some glibc versions.  */

#define __fabs __ppu_fabs 

#define __fabsf __ppu_fabsf 

static __inline__ double __fabs(double x) __attribute__((always_inline));

static __inline__ double

__fabs(double x)

{

  double r;

  __asm__("fabs %0,%1" : "=d"(r) : "d"(x));

  return r;

}

static __inline__ float __fabsf(float x) __attribute__((always_inline));

static __inline__ float

__fabsf(float x)

{

  float r;

  __asm__("fabs %0,%1" : "=f"(r) : "f"(x));

  return r;

}

static __inline__ double __fnabs(double x) __attribute__((always_inline));

static __inline__ double

__fnabs(double x)

{

  double r;

  __asm__("fnabs %0,%1" : "=d"(r) : "d"(x));

  return r;

}

static __inline__ float __fnabsf(float x) __attribute__((always_inline));

static __inline__ float

__fnabsf(float x)

{

  float r;

  __asm__("fnabs %0,%1" : "=f"(r) : "f"(x));

  return r;

}

static __inline__ double __fmadd(double x, double y, double z)

  __attribute__((always_inline));

static __inline__ double

__fmadd(double x, double y, double z)

{

  double r;

  __asm__("fmadd %0,%1,%2,%3" : "=d"(r) : "d"(x),"d"(y),"d"(z));

  return r;

}

static __inline__ double __fmsub(double x, double y, double z)

  __attribute__((always_inline));

static __inline__ double

__fmsub(double x, double y, double z)

{

  double r;

  __asm__("fmsub %0,%1,%2,%3" : "=d"(r) : "d"(x),"d"(y),"d"(z));

  return r;

}

static __inline__ double __fnmadd(double x, double y, double z)

  __attribute__((always_inline));

static __inline__ double

__fnmadd(double x, double y, double z)

{

  double r;

  __asm__("fnmadd %0,%1,%2,%3" : "=d"(r) : "d"(x),"d"(y),"d"(z));

  return r;

}

static __inline__ double __fnmsub(double x, double y, double z)

  __attribute__((always_inline));

static __inline__ double

__fnmsub(double x, double y, double z)

{

  double r;

  __asm__("fnmsub %0,%1,%2,%3" : "=d"(r) : "d"(x),"d"(y),"d"(z));

  return r;

}

static __inline__ float __fmadds(float x, float y, float z)

  __attribute__((always_inline));

static __inline__ float

__fmadds(float x, float y, float z)

{

  float r;

  __asm__("fmadds %0,%1,%2,%3" : "=f"(r) : "f"(x),"f"(y),"f"(z));

  return r;

}

static __inline__ float __fmsubs(float x, float y, float z)

  __attribute__((always_inline));

static __inline__ float

__fmsubs(float x, float y, float z)

{

  float r;

  __asm__("fmsubs %0,%1,%2,%3" : "=f"(r) : "f"(x),"f"(y),"f"(z));

  return r;

}

static __inline__ float __fnmadds(float x, float y, float z)

  __attribute__((always_inline));

static __inline__ float

__fnmadds(float x, float y, float z)

{

  float r;

  __asm__("fnmadds %0,%1,%2,%3" : "=f"(r) : "f"(x),"f"(y),"f"(z));

  return r;

}

static __inline__ float __fnmsubs(float x, float y, float z)

  __attribute__((always_inline));

static __inline__ float

__fnmsubs(float x, float y, float z)

{

  float r;

  __asm__("fnmsubs %0,%1,%2,%3" : "=f"(r) : "f"(x),"f"(y),"f"(z));

  return r;

}

static __inline__ double __fsel(double x, double y, double z)

  __attribute__((always_inline));

static __inline__ double

__fsel(double x, double y, double z)

{

  double r;

  __asm__("fsel %0,%1,%2,%3" : "=d"(r) : "d"(x),"d"(y),"d"(z));

  return r;

}

static __inline__ float __fsels(float x, float y, float z)

  __attribute__((always_inline));

static __inline__ float

__fsels(float x, float y, float z)

{

  float r;

  __asm__("fsel %0,%1,%2,%3" : "=f"(r) : "f"(x),"f"(y),"f"(z));

  return r;

}

static __inline__ double __frsqrte(double x) __attribute__((always_inline));

static __inline__ double

__frsqrte(double x)

{

  double r;

  __asm__("frsqrte %0,%1" : "=d" (r) : "d" (x));

  return r;

}

static __inline__ float __fres(float x) __attribute__((always_inline));

static __inline__ float

__fres(float x)

{

  float r;

  __asm__("fres %0,%1" : "=f"(r) : "f"(x));

  return r;

}

static __inline__ double __fsqrt(double x) __attribute__((always_inline));

static __inline__ double

__fsqrt(double x)

{

  double r;

  __asm__("fsqrt %0,%1" : "=d"(r) : "d"(x));

  return r;

}

static __inline__ float __fsqrts(float x) __attribute__((always_inline));

static __inline__ float

__fsqrts(float x)

{

  float r;

  __asm__("fsqrts %0,%1" : "=f"(r) : "f"(x));

  return r;

}

static __inline__ double __fmul (double a, double b) __attribute__ ((always_inline));

static __inline__ double

__fmul(double a, double b)

{

  double d;

  __asm__ ("fmul %0,%1,%2" : "=d" (d) : "d" (a), "d" (b));

  return d;

}

static __inline__ float __fmuls (float a, float b) __attribute__ ((always_inline));

static __inline__ float

__fmuls (float a, float b)

{

  float d;

  __asm__ ("fmuls %0,%1,%2" : "=d" (d) : "f" (a), "f" (b));

  return d;

}

static __inline__ float __frsp (float a) __attribute__ ((always_inline));

static __inline__ float

__frsp (float a)

{

  float d;

  __asm__ ("frsp %0,%1" : "=d" (d) : "f" (a));

  return d;

}

static __inline__ double __fcfid (long long a) __attribute__((always_inline));

static __inline__ double

__fcfid (long long a)

{

  double d;

  __asm__ ("fcfid %0,%1" : "=d" (d) : "d" (a));

  return d;

}