/* Cell BEA specific SPU intrinsics to PPU/VMX intrinsics
   Copyright (C) 2007-2024 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/>.  */

#ifndef _SI2VMX_H_
#define _SI2VMX_H_	1

#ifndef __SPU__

#include <stdlib.h>
#include <vec_types.h>


/* Specify a default halt action for spu_hcmpeq and spu_hcmpgt intrinsics.
 * Users can override the action by defining it prior to including this 
 * header file.
 */
#ifndef SPU_HALT_ACTION
#define SPU_HALT_ACTION		abort()
#endif

/* Specify a default stop action for the spu_stop intrinsic.
 * Users can override the action by defining it prior to including this 
 * header file.
 */
#ifndef SPU_STOP_ACTION
#define SPU_STOP_ACTION		abort()
#endif


/* Specify a default action for unsupported intrinsic.
 * Users can override the action by defining it prior to including this 
 * header file.
 */
#ifndef SPU_UNSUPPORTED_ACTION
#define SPU_UNSUPPORTED_ACTION	abort()
#endif


/* Casting intrinsics - from scalar to quadword 
 */

static __inline qword si_from_uchar(unsigned char c) {
  union {
    qword q;
    unsigned char c[16];
  } x;
  x.c[3] = c;
  return (x.q);
}

static __inline qword si_from_char(signed char c) {
  union {
    qword q;
    signed char c[16];
  } x;
  x.c[3] = c;
  return (x.q);
}

static __inline qword si_from_ushort(unsigned short s) {
  union {
    qword q;
    unsigned short s[8];
  } x;
  x.s[1] = s;
  return (x.q);
}

static __inline qword si_from_short(short s) {
  union {
    qword q;
    short s[8];
  } x;
  x.s[1] = s;
  return (x.q);
}


static __inline qword si_from_uint(unsigned int i) {
  union {
    qword q;
    unsigned int i[4];
  } x;
  x.i[0] = i;
  return (x.q);
}

static __inline qword si_from_int(int i) {
  union {
    qword q;
    int i[4];
  } x;
  x.i[0] = i;
  return (x.q);
}

static __inline qword si_from_ullong(unsigned long long l) {
  union {
    qword q;
    unsigned long long l[2];
  } x;
  x.l[0] = l;
  return (x.q);
}

static __inline qword si_from_llong(long long l) {
  union {
    qword q;
    long long l[2];
  } x;
  x.l[0] = l;
  return (x.q);
}

static __inline qword si_from_float(float f) {
  union {
    qword q;
    float f[4];
  } x;
  x.f[0] = f;
  return (x.q);
}

static __inline qword si_from_double(double d) {
  union {
    qword q;
    double d[2];
  } x;
  x.d[0] = d;
  return (x.q);
}

static __inline qword si_from_ptr(void *ptr) {
  union {
    qword q;
    void *p;
  } x;
  x.p = ptr;
  return (x.q);
}


/* Casting intrinsics - from quadword to scalar
 */
static __inline unsigned char si_to_uchar(qword q) {
  union {
    qword q;
    unsigned char c[16];
  } x;
  x.q = q;
  return (x.c[3]);
}

static __inline signed char si_to_char(qword q) {
  union {
    qword q;
    signed char c[16];
  } x;
  x.q = q;
  return (x.c[3]);
}

static __inline unsigned short si_to_ushort(qword q) {
  union {
    qword q;
    unsigned short s[8];
  } x;
  x.q = q;
  return (x.s[1]);
}

static __inline short si_to_short(qword q) {
  union {
    qword q;
    short s[8];
  } x;
  x.q = q;
  return (x.s[1]);
}

static __inline unsigned int si_to_uint(qword q) {
  union {
    qword q;
    unsigned int i[4];
  } x;
  x.q = q;
  return (x.i[0]);
}

static __inline int si_to_int(qword q) {
  union {
    qword q;
    int i[4];
  } x;
  x.q = q;
  return (x.i[0]);
}

static __inline unsigned long long si_to_ullong(qword q) {
  union {
    qword q;
    unsigned long long l[2];
  } x;
  x.q = q;
  return (x.l[0]);
}

static __inline long long si_to_llong(qword q) {
  union {
    qword q;
    long long l[2];
  } x;
  x.q = q;
  return (x.l[0]);
}

static __inline float si_to_float(qword q) {
  union {
    qword q;
    float f[4];
  } x;
  x.q = q;
  return (x.f[0]);
}

static __inline double si_to_double(qword q) {
  union {
    qword q;
    double d[2];
  } x;
  x.q = q;
  return (x.d[0]);
}

static __inline void * si_to_ptr(qword q) {
  union {
    qword q;
    void *p;
  } x;
  x.q = q;
  return (x.p);
}


/* Absolute difference
 */
static __inline qword si_absdb(qword a, qword b)
{
  vec_uchar16 ac, bc, dc;

  ac = (vec_uchar16)(a);
  bc = (vec_uchar16)(b);
  dc = vec_sel(vec_sub(bc, ac), vec_sub(ac, bc), vec_cmpgt(ac, bc));

  return ((qword)(dc));
}

/* Add intrinsics 
 */
#define si_a(_a, _b)		((qword)(vec_add((vec_uint4)(_a), (vec_uint4)(_b))))

#define si_ah(_a, _b)		((qword)(vec_add((vec_ushort8)(_a), (vec_ushort8)(_b))))

static __inline qword si_ai(qword a, int b)
{
  return ((qword)(vec_add((vec_int4)(a), 
			  vec_splat((vec_int4)(si_from_int(b)), 0))));
}


static __inline qword si_ahi(qword a, short b)
{
  return ((qword)(vec_add((vec_short8)(a), 
			  vec_splat((vec_short8)(si_from_short(b)), 1))));
}


#define si_fa(_a, _b)	((qword)(vec_add((vec_float4)(_a), (vec_float4)(_b))))


static __inline qword si_dfa(qword a, qword b)
{
  union {
    vec_double2 v;
    double d[2];
  } ad, bd, dd;

  ad.v = (vec_double2)(a);
  bd.v = (vec_double2)(b);
  dd.d[0] = ad.d[0] + bd.d[0];
  dd.d[1] = ad.d[1] + bd.d[1];

  return ((qword)(dd.v));
}

/* Add word extended
 */
#define si_addx(_a, _b, _c)	((qword)(vec_add(vec_add((vec_uint4)(_a), (vec_uint4)(_b)), 	\
						 vec_and((vec_uint4)(_c), vec_splat_u32(1)))))


/* Bit-wise AND
 */
#define si_and(_a, _b)		((qword)(vec_and((vec_uint4)(_a), (vec_uint4)(_b))))


static __inline qword si_andbi(qword a, signed char b)
{
  return ((qword)(vec_and((vec_char16)(a), 
			  vec_splat((vec_char16)(si_from_char(b)), 3))));
}

static __inline qword si_andhi(qword a, signed short b)
{
  return ((qword)(vec_and((vec_short8)(a), 
			  vec_splat((vec_short8)(si_from_short(b)), 1))));
}


static __inline qword si_andi(qword a, signed int b)
{
  return ((qword)(vec_and((vec_int4)(a),
			  vec_splat((vec_int4)(si_from_int(b)), 0))));
}


/* Bit-wise AND with complement
 */
#define si_andc(_a, _b)		((qword)(vec_andc((vec_uchar16)(_a), (vec_uchar16)(_b))))


/* Average byte vectors
 */
#define si_avgb(_a, _b)		((qword)(vec_avg((vec_uchar16)(_a), (vec_uchar16)(_b))))


/* Branch indirect and set link on external data
 */
#define si_bisled(_func)	/* not mappable */
#define si_bisledd(_func)	/* not mappable */
#define si_bislede(_func)	/* not mappable */


/* Borrow generate
 */
#define si_bg(_a, _b)		((qword)(vec_subc((vec_uint4)(_b), (vec_uint4)(_a))))

#define si_bgx(_a, _b, _c)	((qword)(vec_and(vec_or(vec_cmpgt((vec_uint4)(_b), (vec_uint4)(_a)),		\
							vec_and(vec_cmpeq((vec_uint4)(_b), (vec_uint4)(_a)), 	\
								(vec_uint4)(_c))), vec_splat_u32(1))))

/* Compare absolute equal
 */
static __inline qword si_fcmeq(qword a, qword b)
{
  vec_float4 msb = (vec_float4)((vec_uint4){0x80000000, 0x80000000, 0x80000000, 0x80000000});
  
  return ((qword)(vec_cmpeq(vec_andc((vec_float4)(a), msb), 
				  vec_andc((vec_float4)(b), msb))));
}

static __inline qword si_dfcmeq(qword a, qword b)
{
  vec_uint4 sign_mask= (vec_uint4) { 0x7FFFFFFF, 0xFFFFFFFF, 0x7FFFFFFF, 0xFFFFFFFF };
  vec_uint4 nan_mask = (vec_uint4) { 0x7FF00000, 0x00000000, 0x7FF00000, 0x00000000 };
  vec_uchar16 hihi_promote = (vec_uchar16) { 0,1,2,3,  16,17,18,19,  8,9,10,11, 24,25,26,27};

  vec_uint4 biteq;
  vec_uint4 aabs;
  vec_uint4 babs;
  vec_uint4 a_gt;
  vec_uint4 ahi_inf;
  vec_uint4 anan;
  vec_uint4 result;

  union {
    vec_uchar16 v;
    int i[4];
  } x;

  /* Shift 4 bytes  */
  x.i[3] = 4 << 3;

  /*  Mask out sign bits */
  aabs = vec_and((vec_uint4)a,sign_mask);
  babs = vec_and((vec_uint4)b,sign_mask);

  /*  A)  Check for bit equality, store in high word */
  biteq = (vec_uint4) vec_cmpeq((vec_uint4)aabs,(vec_uint4)babs);
  biteq = vec_and(biteq,(vec_uint4)vec_slo((vec_uchar16)biteq,x.v));

  /*  
      B)  Check if a is NaN, store in high word
        
      B1) If the high word is greater than max_exp (indicates a NaN)
      B2) If the low word is greater than 0 
  */
  a_gt = (vec_uint4)vec_cmpgt(aabs,nan_mask);

  /*  B3) Check if the high word is equal to the inf exponent */
  ahi_inf = (vec_uint4)vec_cmpeq(aabs,nan_mask);

  /*  anan = B1[hi] or (B2[lo] and B3[hi]) */
  anan = (vec_uint4)vec_or(a_gt,vec_and((vec_uint4)vec_slo((vec_uchar16)a_gt,x.v),ahi_inf));

  /*  result = A and not B  */
  result = vec_andc(biteq, anan);

  /*  Promote high words to 64 bits and return  */
  return ((qword)(vec_perm((vec_uchar16)result, (vec_uchar16)result, hihi_promote)));
}


/* Compare absolute greater than
 */
static __inline qword si_fcmgt(qword a, qword b)
{
  vec_float4 msb = (vec_float4)((vec_uint4){0x80000000, 0x80000000, 0x80000000, 0x80000000});
  
  return ((qword)(vec_cmpgt(vec_andc((vec_float4)(a), msb),
				  vec_andc((vec_float4)(b), msb))));
}

static __inline qword si_dfcmgt(qword a, qword b)
{
  vec_uchar16 splat_hi = (vec_uchar16) { 0,1,2,3, 0,1,2,3, 8,9,10,11, 8,9,10,11 };
  vec_uint4 nan_mask = (vec_uint4) { 0x7FF00000, 0x0, 0x7FF00000, 0x0 };
  vec_uint4 sign_mask = (vec_uint4) { 0x7FFFFFFF, 0xFFFFFFFF, 0x7FFFFFFF, 0xFFFFFFFF };

  union {
    vec_uchar16 v;
    int i[4];
  } x;

  /* Shift 4 bytes  */
  x.i[3] = 4 << 3;

  // absolute value of a,b 
  vec_uint4 aabs = vec_and((vec_uint4)a, sign_mask);
  vec_uint4 babs = vec_and((vec_uint4)b, sign_mask);

  // check if a is nan
  vec_uint4 a_inf = (vec_uint4)vec_cmpeq(aabs, nan_mask);
  vec_uint4 a_nan = (vec_uint4)vec_cmpgt(aabs, nan_mask);
  a_nan = vec_or(a_nan, vec_and((vec_uint4)vec_slo((vec_uchar16)a_nan,x.v),a_inf));
  a_nan = (vec_uint4)vec_perm((vec_uchar16)a_nan, (vec_uchar16)a_nan, splat_hi);

  // check if b is nan
  vec_uint4 b_inf = (vec_uint4)vec_cmpeq(babs, nan_mask);
  vec_uint4 b_nan = (vec_uint4)vec_cmpgt(babs, nan_mask);
  b_nan = vec_or(b_nan, vec_and((vec_uint4)vec_slo((vec_uchar16)b_nan,x.v),b_inf));
  b_nan = (vec_uint4)vec_perm((vec_uchar16)b_nan, (vec_uchar16)b_nan, splat_hi);

  // A) Check if the exponents are different 
  vec_uint4 gt_hi = (vec_uint4)vec_cmpgt(aabs,babs);

  // B) Check if high word equal, and low word greater
  vec_uint4 gt_lo = (vec_uint4)vec_cmpgt((vec_uint4)aabs, (vec_uint4)babs);
  vec_uint4 eq = (vec_uint4)vec_cmpeq(aabs, babs);
  vec_uint4 eqgt = vec_and(eq,vec_slo(gt_lo,x.v));

  //  If either A or B is true, return true (unless NaNs detected) 
  vec_uint4 r = vec_or(gt_hi, eqgt);

  // splat the high words of the comparison step
  r = (vec_uint4)vec_perm((vec_uchar16)r,(vec_uchar16)r,splat_hi);

  // correct for NaNs in input
  return ((qword)vec_andc(r,vec_or(a_nan,b_nan)));
}


/* Compare equal
 */
static __inline qword si_ceqb(qword a, qword b)
{
  return ((qword)(vec_cmpeq((vec_uchar16)(a), (vec_uchar16)(b))));
}

static __inline qword si_ceqh(qword a, qword b)
{
  return ((qword)(vec_cmpeq((vec_ushort8)(a), (vec_ushort8)(b))));
}

static __inline qword si_ceq(qword a, qword b)
{
  return ((qword)(vec_cmpeq((vec_uint4)(a), (vec_uint4)(b))));
}

static __inline qword si_fceq(qword a, qword b)
{
  return ((qword)(vec_cmpeq((vec_float4)(a), (vec_float4)(b))));
}

static __inline qword si_ceqbi(qword a, signed char b)
{
  return ((qword)(vec_cmpeq((vec_char16)(a), 
			    vec_splat((vec_char16)(si_from_char(b)), 3))));
}

static __inline qword si_ceqhi(qword a, signed short b)
{
  return ((qword)(vec_cmpeq((vec_short8)(a), 
			  vec_splat((vec_short8)(si_from_short(b)), 1))));
}

static __inline qword si_ceqi(qword a, signed int b)
{
  return ((qword)(vec_cmpeq((vec_int4)(a), 
			  vec_splat((vec_int4)(si_from_int(b)), 0))));
}

static __inline qword si_dfceq(qword a, qword b)
{
  vec_uint4 sign_mask= (vec_uint4) { 0x7FFFFFFF, 0xFFFFFFFF, 0x7FFFFFFF, 0xFFFFFFFF };
  vec_uint4 nan_mask = (vec_uint4) { 0x7FF00000, 0x00000000, 0x7FF00000, 0x00000000 };
  vec_uchar16 hihi_promote = (vec_uchar16) { 0,1,2,3,  16,17,18,19,  8,9,10,11, 24,25,26,27};

  vec_uint4 biteq;
  vec_uint4 aabs;
  vec_uint4 babs;
  vec_uint4 a_gt;
  vec_uint4 ahi_inf;
  vec_uint4 anan;
  vec_uint4 iszero;
  vec_uint4 result;

  union {
    vec_uchar16 v;
    int i[4];
  } x;

  /* Shift 4 bytes  */
  x.i[3] = 4 << 3;

  /*  A)  Check for bit equality, store in high word */
  biteq = (vec_uint4) vec_cmpeq((vec_uint4)a,(vec_uint4)b);
  biteq = vec_and(biteq,(vec_uint4)vec_slo((vec_uchar16)biteq,x.v));

  /*  Mask out sign bits */
  aabs = vec_and((vec_uint4)a,sign_mask);
  babs = vec_and((vec_uint4)b,sign_mask);

  /*  
      B)  Check if a is NaN, store in high word
        
      B1) If the high word is greater than max_exp (indicates a NaN)
      B2) If the low word is greater than 0 
  */
  a_gt = (vec_uint4)vec_cmpgt(aabs,nan_mask);

  /*  B3) Check if the high word is equal to the inf exponent */
  ahi_inf = (vec_uint4)vec_cmpeq(aabs,nan_mask);

  /*  anan = B1[hi] or (B2[lo] and B3[hi]) */
  anan = (vec_uint4)vec_or(a_gt,vec_and((vec_uint4)vec_slo((vec_uchar16)a_gt,x.v),ahi_inf));

  /*  C)  Check for 0 = -0 special case */
  iszero =(vec_uint4)vec_cmpeq((vec_uint4)vec_or(aabs,babs),(vec_uint4)vec_splat_u32(0));
  iszero = vec_and(iszero,(vec_uint4)vec_slo((vec_uchar16)iszero,x.v));

  /*  result = (A or C) and not B  */
  result = vec_or(biteq,iszero);
  result = vec_andc(result, anan);

  /*  Promote high words to 64 bits and return  */
  return ((qword)(vec_perm((vec_uchar16)result, (vec_uchar16)result, hihi_promote))); 
}


/* Compare greater than
 */
static __inline qword si_cgtb(qword a, qword b)
{
  return ((qword)(vec_cmpgt((vec_char16)(a), (vec_char16)(b))));
}

static __inline qword si_cgth(qword a, qword b)
{
  return ((qword)(vec_cmpgt((vec_short8)(a), (vec_short8)(b))));
}

static __inline qword si_cgt(qword a, qword b)
{
  return ((qword)(vec_cmpgt((vec_int4)(a), (vec_int4)(b))));
}

static __inline qword si_clgtb(qword a, qword b)
{
  return ((qword)(vec_cmpgt((vec_uchar16)(a), (vec_uchar16)(b))));
}

static __inline qword si_clgth(qword a, qword b)
{
  return ((qword)(vec_cmpgt((vec_ushort8)(a), (vec_ushort8)(b))));
}

static __inline qword si_clgt(qword a, qword b)
{
  return ((qword)(vec_cmpgt((vec_uint4)(a), (vec_uint4)(b))));
}

static __inline qword si_fcgt(qword a, qword b)
{
  return ((qword)(vec_cmpgt((vec_float4)(a), (vec_float4)(b))));
}

static __inline qword si_dfcgt(qword a, qword b)
{
  vec_uchar16 splat_hi = (vec_uchar16) { 0,1,2,3, 0,1,2,3, 8,9,10,11, 8,9,10,11 };
  vec_uchar16 borrow_shuffle = (vec_uchar16) { 4,5,6,7, 192,192,192,192, 12,13,14,15, 192,192,192,192 };
  vec_uint4 nan_mask = (vec_uint4) { 0x7FF00000, 0x0, 0x7FF00000, 0x0 };
  vec_uint4 sign_mask = (vec_uint4) { 0x7FFFFFFF, 0xFFFFFFFF, 0x7FFFFFFF, 0xFFFFFFFF };

  union {
    vec_uchar16 v;
    int i[4];
  } x;

  /* Shift 4 bytes  */
  x.i[3] = 4 << 3;

  // absolute value of a,b 
  vec_uint4 aabs = vec_and((vec_uint4)a, sign_mask);
  vec_uint4 babs = vec_and((vec_uint4)b, sign_mask);

  // check if a is nan
  vec_uint4 a_inf = (vec_uint4)vec_cmpeq(aabs, nan_mask);
  vec_uint4 a_nan = (vec_uint4)vec_cmpgt(aabs, nan_mask);
  a_nan = vec_or(a_nan, vec_and((vec_uint4)vec_slo((vec_uchar16)a_nan,x.v),a_inf));
  a_nan = (vec_uint4)vec_perm((vec_uchar16)a_nan, (vec_uchar16)a_nan, splat_hi);

  // check if b is nan
  vec_uint4 b_inf = (vec_uint4)vec_cmpeq(babs, nan_mask);
  vec_uint4 b_nan = (vec_uint4)vec_cmpgt(babs, nan_mask);
  b_nan = vec_or(b_nan, vec_and((vec_uint4)vec_slo((vec_uchar16)b_nan,x.v),b_inf));
  b_nan = (vec_uint4)vec_perm((vec_uchar16)b_nan, (vec_uchar16)b_nan, splat_hi);

  // sign of a
  vec_uint4 asel = (vec_uint4)vec_sra((vec_int4)(a), (vec_uint4)vec_splat(((vec_uint4)si_from_int(31)), 0));
  asel = (vec_uint4)vec_perm((vec_uchar16)asel,(vec_uchar16)asel,splat_hi);

  // sign of b
  vec_uint4 bsel = (vec_uint4)vec_sra((vec_int4)(b), (vec_uint4)vec_splat(((vec_uint4)si_from_int(31)), 0));
  bsel = (vec_uint4)vec_perm((vec_uchar16)bsel,(vec_uchar16)bsel,splat_hi);

  // negative a
  vec_uint4 abor = vec_subc((vec_uint4)vec_splat_u32(0), aabs);
  vec_uchar16 pat = vec_sel(((vec_uchar16){0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15}), vec_sr(borrow_shuffle, vec_splat_u8(3)), vec_sra(borrow_shuffle, vec_splat_u8(7)));
  abor = (vec_uint4)(vec_perm(vec_perm((vec_uchar16)abor, (vec_uchar16)abor, borrow_shuffle),((vec_uchar16){0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x80, 0x80, 0x80}),pat));
  vec_uint4 aneg = vec_add(vec_add(vec_splat_u32(0), vec_nor(aabs, aabs)), vec_and(abor, vec_splat_u32(1)));

  // pick the one we want
  vec_int4 aval = (vec_int4)vec_sel((vec_uchar16)aabs, (vec_uchar16)aneg, (vec_uchar16)asel);

  // negative b
  vec_uint4 bbor = vec_subc((vec_uint4)vec_splat_u32(0), babs);
  bbor = (vec_uint4)(vec_perm(vec_perm((vec_uchar16)bbor, (vec_uchar16)bbor, borrow_shuffle),((vec_uchar16){0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x80, 0x80, 0x80}),pat));
  vec_uint4 bneg = vec_add(vec_nor(babs, babs), vec_and(bbor, vec_splat_u32(1)));

  // pick the one we want
  vec_int4 bval=(vec_int4)vec_sel((vec_uchar16)babs, (vec_uchar16)bneg, (vec_uchar16)bsel);

  // A) Check if the exponents are different 
  vec_uint4 gt_hi = (vec_uint4)vec_cmpgt(aval,bval);

  // B) Check if high word equal, and low word greater
  vec_uint4 gt_lo = (vec_uint4)vec_cmpgt((vec_uint4)aval, (vec_uint4)bval);
  vec_uint4 eq = (vec_uint4)vec_cmpeq(aval, bval);
  vec_uint4 eqgt = vec_and(eq,vec_slo(gt_lo,x.v));

  //  If either A or B is true, return true (unless NaNs detected) 
  vec_uint4 r = vec_or(gt_hi, eqgt);

  // splat the high words of the comparison step
  r = (vec_uint4)vec_perm((vec_uchar16)r,(vec_uchar16)r,splat_hi);

  // correct for NaNs in input
  return ((qword)vec_andc(r,vec_or(a_nan,b_nan)));
}

static __inline qword si_cgtbi(qword a, signed char b)
{
  return ((qword)(vec_cmpgt((vec_char16)(a), 
			    vec_splat((vec_char16)(si_from_char(b)), 3))));
}

static __inline qword si_cgthi(qword a, signed short b)
{
  return ((qword)(vec_cmpgt((vec_short8)(a), 
			    vec_splat((vec_short8)(si_from_short(b)), 1))));
}

static __inline qword si_cgti(qword a, signed int b)
{
  return ((qword)(vec_cmpgt((vec_int4)(a), 
			    vec_splat((vec_int4)(si_from_int(b)), 0))));
}

static __inline qword si_clgtbi(qword a, unsigned char b)
{
  return ((qword)(vec_cmpgt((vec_uchar16)(a), 
			    vec_splat((vec_uchar16)(si_from_uchar(b)), 3))));
}

static __inline qword si_clgthi(qword a, unsigned short b)
{
  return ((qword)(vec_cmpgt((vec_ushort8)(a),
			    vec_splat((vec_ushort8)(si_from_ushort(b)), 1))));
}

static __inline qword si_clgti(qword a, unsigned int b)
{
  return ((qword)(vec_cmpgt((vec_uint4)(a), 
			    vec_splat((vec_uint4)(si_from_uint(b)), 0))));
}

static __inline qword si_dftsv(qword a, char b)
{
  vec_uchar16 splat_hi = (vec_uchar16) { 0,1,2,3, 0,1,2,3, 8,9,10,11, 8,9,10,11 };
  vec_uint4 sign_mask = (vec_uint4) { 0x7FFFFFFF, 0xFFFFFFFF, 0x7FFFFFFF, 0xFFFFFFFF };
  vec_uint4 result = (vec_uint4){0};
  vec_uint4 sign = (vec_uint4)vec_sra((vec_int4)(a), (vec_uint4)vec_splat(((vec_uint4)si_from_int(31)), 0));
  sign = (vec_uint4)vec_perm((vec_uchar16)sign,(vec_uchar16)sign,splat_hi);
  vec_uint4 aabs = vec_and((vec_uint4)a,sign_mask);
  
  union {
    vec_uchar16 v;
    int i[4];
  } x;

  /* Shift 4 bytes  */
  x.i[3] = 4 << 3;
  
  /* Nan or +inf or -inf  */
  if (b & 0x70)
  {
    vec_uint4 nan_mask = (vec_uint4) { 0x7FF00000, 0x0, 0x7FF00000, 0x0 };
    vec_uint4 a_inf = (vec_uint4)vec_cmpeq(aabs, nan_mask);
     /* NaN  */
     if (b & 0x40)
     {
       vec_uint4 a_nan = (vec_uint4)vec_cmpgt(aabs, nan_mask);
       a_nan = vec_or(a_nan, vec_and((vec_uint4)vec_slo((vec_uchar16)a_nan,x.v),a_inf));
       a_nan = (vec_uint4)vec_perm((vec_uchar16)a_nan, (vec_uchar16)a_nan, splat_hi); 
       result = vec_or(result, a_nan);
     }
     /* inf  */ 
     if (b & 0x30)
     {
       a_inf = vec_and((vec_uint4)vec_slo((vec_uchar16)a_inf,x.v), a_inf);
       a_inf = (vec_uint4)vec_perm((vec_uchar16)a_inf, (vec_uchar16)a_inf, splat_hi); 
        /* +inf  */
        if (b & 0x20)
          result = vec_or(vec_andc(a_inf, sign), result);
        /* -inf  */
        if (b & 0x10)
          result = vec_or(vec_and(a_inf, sign), result);
     } 
  }
  /* 0 or denorm  */
  if (b & 0xF)
  {
    vec_uint4 iszero =(vec_uint4)vec_cmpeq(aabs,(vec_uint4)vec_splat_u32(0));
    iszero = vec_and(iszero,(vec_uint4)vec_slo((vec_uchar16)iszero,x.v));
    /* denorm  */
    if (b & 0x3)
    {
      vec_uint4 denorm_mask = (vec_uint4){0xFFFFF, 0xFFFFF, 0xFFFFF, 0xFFFFF};
      vec_uint4 isdenorm = vec_nor((vec_uint4)vec_cmpgt(aabs, denorm_mask), iszero);
      isdenorm = (vec_uint4)vec_perm((vec_uchar16)isdenorm, (vec_uchar16)isdenorm, splat_hi);
      /* +denorm  */
     if (b & 0x2)
        result = vec_or(vec_andc(isdenorm, sign), result);
      /* -denorm  */
     if (b & 0x1)
        result = vec_or(vec_and(isdenorm, sign), result);
    }
    /* 0  */
    if (b & 0xC)
    {
      iszero = (vec_uint4)vec_perm((vec_uchar16)iszero, (vec_uchar16)iszero, splat_hi);
      /* +0  */
     if (b & 0x8)
        result = vec_or(vec_andc(iszero, sign), result);
      /* -0  */
     if (b & 0x4)
        result = vec_or(vec_and(iszero, sign), result);
    }
  }
  return ((qword)result);
}


/* Carry generate
 */
#define si_cg(_a, _b)		((qword)(vec_addc((vec_uint4)(_a), (vec_uint4)(_b))))

#define si_cgx(_a, _b, _c)	((qword)(vec_or(vec_addc((vec_uint4)(_a), (vec_uint4)(_b)), 		\
						vec_addc(vec_add((vec_uint4)(_a), (vec_uint4)(_b)),	\
							 vec_and((vec_uint4)(_c), vec_splat_u32(1))))))


/* Count ones for bytes
 */
static __inline qword si_cntb(qword a)
{
  vec_uchar16 nib_cnt = (vec_uchar16){0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4};
  vec_uchar16 four = { 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 };
  vec_uchar16 av;

  av = (vec_uchar16)(a);

  return ((qword)(vec_add(vec_perm(nib_cnt, nib_cnt, av),
			  vec_perm(nib_cnt, nib_cnt, vec_sr (av, four)))));
}

/* Count ones for bytes
 */
static __inline qword si_clz(qword a)
{
  vec_uchar16 av;
  vec_uchar16 cnt_hi, cnt_lo, cnt, tmp1, tmp2, tmp3;
  vec_uchar16 four    = vec_splat_u8(4);
  vec_uchar16 nib_cnt = (vec_uchar16){4, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0};
  vec_uchar16 eight   = vec_splat_u8(8);
  vec_uchar16 sixteen = (vec_uchar16){16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16};
  vec_uchar16 twentyfour = (vec_uchar16){24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24};

  av = (vec_uchar16)(a);

  cnt_hi = vec_perm(nib_cnt, nib_cnt, vec_sr(av, four));
  cnt_lo = vec_perm(nib_cnt, nib_cnt, av);

  cnt = vec_add(cnt_hi, vec_and(cnt_lo, vec_cmpeq(cnt_hi, four)));

  tmp1 = (vec_uchar16)vec_sl((vec_uint4)(cnt), (vec_uint4)(eight));
  tmp2 = (vec_uchar16)vec_sl((vec_uint4)(cnt), (vec_uint4)(sixteen));
  tmp3 = (vec_uchar16)vec_sl((vec_uint4)(cnt), (vec_uint4)(twentyfour));

  cnt = vec_add(cnt, vec_and(tmp1, vec_cmpeq(cnt, eight)));
  cnt = vec_add(cnt, vec_and(tmp2, vec_cmpeq(cnt, sixteen)));
  cnt = vec_add(cnt, vec_and(tmp3, vec_cmpeq(cnt, twentyfour)));
  
  return (qword)((vec_sr((vec_uint4)(cnt), (vec_uint4)(twentyfour))));
}

/* Convert to float
 */
#define si_cuflt(_a, _b)	((qword)(vec_ctf((vec_uint4)(_a), _b)))
#define si_csflt(_a, _b)	((qword)(vec_ctf((vec_int4)(_a), _b)))

/* Convert to signed int
 */
#define si_cflts(_a, _b)	((qword)(vec_cts((vec_float4)(_a), _b)))

/* Convert to unsigned int
 */
#define si_cfltu(_a, _b)	((qword)(vec_ctu((vec_float4)(_a), _b)))

/* Synchronize
 */
#define si_dsync()		/* do nothing */
#define si_sync()		/* do nothing */
#define si_syncc()		/* do nothing */


/* Equivalence
 */
static __inline qword si_eqv(qword a, qword b)
{
  vec_uchar16 d;

  d = vec_xor((vec_uchar16)(a), (vec_uchar16)(b));
  return ((qword)(vec_nor(d, d)));
}

/* Extend
 */
static __inline qword si_xsbh(qword a)
{
  vec_char16 av;

  av = (vec_char16)(a);
  return ((qword)(vec_unpackh(vec_perm(av, av, ((vec_uchar16){1, 3, 5, 7, 9,11,13,15, 
						              0, 0, 0, 0, 0, 0, 0, 0})))));
}

static __inline qword si_xshw(qword a)
{
  vec_short8 av;

  av = (vec_short8)(a);
  return ((qword)(vec_unpackh(vec_perm(av, av, ((vec_uchar16){2, 3, 6, 7, 
					                      10,11,14,15,
							      0, 0, 0, 0, 
						              0, 0, 0, 0})))));
}

static __inline qword si_xswd(qword a)
{
  vec_int4 av;

  av = (vec_int4)(a);
  return ((qword)(vec_perm(av, vec_sra(av, ((vec_uint4){31,31,31,31})), 
			   ((vec_uchar16){20, 21, 22, 23,  
					   4,  5,  6,  7, 
				          28, 29, 30, 31, 
				          12, 13, 14, 15}))));
}

static __inline qword si_fesd(qword a)
{
  union {
    double d[2];
    vec_double2	vd;
  } out;
  union {
    float f[4];
    vec_float4 vf;
  } in;

  in.vf = (vec_float4)(a);
  out.d[0] = (double)(in.f[0]);
  out.d[1] = (double)(in.f[2]);
  return ((qword)(out.vd));
}

/* Gather
 */
static __inline qword si_gbb(qword a)
{
  vec_uchar16 bits;
  vec_uint4   bytes;

  bits  = vec_sl(vec_and((vec_uchar16)(a), vec_splat_u8(1)), ((vec_uchar16){7, 6, 5, 4, 3, 2, 1, 0,
								            7, 6, 5, 4, 3, 2, 1, 0}));
  bytes = (vec_uint4)vec_sum2s((vec_int4)(vec_sum4s(bits, ((vec_uint4){0}))), ((vec_int4){0}));

  return ((qword)(vec_perm(bytes, bytes, ((vec_uchar16){0, 0, 7,15, 0, 0, 0, 0,
					                0, 0, 0, 0, 0, 0, 0, 0}))));
}


static __inline qword si_gbh(qword a)
{
  vec_ushort8 bits;
  vec_uint4   bytes;

  bits  = vec_sl(vec_and((vec_ushort8)(a), vec_splat_u16(1)), ((vec_ushort8){7, 6, 5, 4, 3, 2, 1, 0}));

  bytes = (vec_uint4)vec_sums((vec_int4)(vec_sum4s((vec_short8)(bits), (vec_int4){0})), (vec_int4){0});

  return ((qword)(vec_sld(bytes, bytes, 12)));
}

static __inline qword si_gb(qword a)
{
  vec_uint4 bits;
  vec_uint4 bytes;

  bits  = vec_sl(vec_and((vec_uint4)(a), vec_splat_u32(1)), ((vec_uint4){3, 2, 1, 0}));
  bytes = (vec_uint4)vec_sums((vec_int4)(bits), ((vec_int4){0}));
  return ((qword)(vec_sld(bytes, bytes, 12)));
}


/* Compare and halt 
 */
static __inline void si_heq(qword a, qword b)
{
  union {
    vector unsigned int v;
    unsigned int i[4];
  } aa, bb;

  aa.v = (vector unsigned int)(a);
  bb.v = (vector unsigned int)(b);

  if (aa.i[0] == bb.i[0]) { SPU_HALT_ACTION; };
}

static __inline void si_heqi(qword a, unsigned int b)
{
  union {
    vector unsigned int v;
    unsigned int i[4];
  } aa;

  aa.v = (vector unsigned int)(a);

  if (aa.i[0] == b) { SPU_HALT_ACTION; };
}

static __inline void si_hgt(qword a, qword b)
{
  union {
    vector signed int v;
    signed int i[4];
  } aa, bb;

  aa.v = (vector signed int)(a);
  bb.v = (vector signed int)(b);

  if (aa.i[0] > bb.i[0]) { SPU_HALT_ACTION; };
}

static __inline void si_hgti(qword a, signed int b)
{
  union {
    vector signed int v;
    signed int i[4];
  } aa;

  aa.v = (vector signed int)(a);

  if (aa.i[0] > b) { SPU_HALT_ACTION; };
}

static __inline void si_hlgt(qword a, qword b)
{
  union {
    vector unsigned int v;
    unsigned int i[4];
  } aa, bb;

  aa.v = (vector unsigned int)(a);
  bb.v = (vector unsigned int)(b);

  if (aa.i[0] > bb.i[0]) { SPU_HALT_ACTION; };
}

static __inline void si_hlgti(qword a, unsigned int b)
{
  union {
    vector unsigned int v;
    unsigned int i[4];
  } aa;

  aa.v = (vector unsigned int)(a);

  if (aa.i[0] > b) { SPU_HALT_ACTION; };
}


/* Multiply and Add
 */
static __inline qword si_mpya(qword a, qword b, qword c)
{
  return ((qword)(vec_msum(vec_and((vec_short8)(a), 
				   ((vec_short8){0, -1, 0, -1, 0, -1, 0, -1})), 
			   (vec_short8)(b), (vec_int4)(c))));
}

static __inline qword si_fma(qword a, qword b, qword c)
{
  return ((qword)(vec_madd((vec_float4)(a), (vec_float4)(b), (vec_float4)(c))));
}

static __inline qword si_dfma(qword a, qword b, qword c)
{
  union {
    vec_double2 v;
    double d[2];
  } aa, bb, cc, dd;

  aa.v = (vec_double2)(a);
  bb.v = (vec_double2)(b);
  cc.v = (vec_double2)(c);
  dd.d[0] = aa.d[0] * bb.d[0] + cc.d[0];
  dd.d[1] = aa.d[1] * bb.d[1] + cc.d[1];
  return ((qword)(dd.v));
}

/* Form Mask
 */
#define si_fsmbi(_a)	si_fsmb(si_from_int(_a))

static __inline qword si_fsmb(qword a)
{
  vec_char16 mask;
  vec_ushort8 in;

  in = (vec_ushort8)(a);
  mask = (vec_char16)(vec_perm(in, in, ((vec_uchar16){2, 2, 2, 2, 2, 2, 2, 2,
					              3, 3, 3, 3, 3, 3, 3, 3})));
  return ((qword)(vec_sra(vec_sl(mask, ((vec_uchar16){0, 1, 2, 3, 4, 5, 6, 7,
				                      0, 1, 2, 3, 4, 5, 6, 7})),
			  vec_splat_u8(7))));
}


static __inline qword si_fsmh(qword a)
{
  vec_uchar16 in;
  vec_short8 mask;

  in = (vec_uchar16)(a);
  mask = (vec_short8)(vec_splat(in, 3));
  return ((qword)(vec_sra(vec_sl(mask, ((vec_ushort8){0, 1, 2, 3, 4, 5, 6, 7})), 
			  vec_splat_u16(15))));
}

static __inline qword si_fsm(qword a)
{
  vec_uchar16 in;
  vec_int4 mask;

  in = (vec_uchar16)(a);
  mask = (vec_int4)(vec_splat(in, 3));
  return ((qword)(vec_sra(vec_sl(mask, ((vec_uint4){28, 29, 30, 31})),
			  ((vec_uint4){31,31,31,31}))));
}

/* Move from/to registers
 */
#define si_fscrrd()		((qword)((vec_uint4){0}))
#define si_fscrwr(_a)

#define si_mfspr(_reg)		((qword)((vec_uint4){0}))
#define si_mtspr(_reg, _a)

/* Multiply High High Add
 */
static __inline qword si_mpyhha(qword a, qword b, qword c)
{
  return ((qword)(vec_add(vec_mule((vec_short8)(a), (vec_short8)(b)), (vec_int4)(c))));
}

static __inline qword si_mpyhhau(qword a, qword b, qword c)
{
  return ((qword)(vec_add(vec_mule((vec_ushort8)(a), (vec_ushort8)(b)), (vec_uint4)(c))));
}

/* Multiply Subtract
 */
static __inline qword si_fms(qword a, qword b, qword c)
{
  return ((qword)(vec_madd((vec_float4)(a), (vec_float4)(b), 
			   vec_sub(((vec_float4){0.0f}), (vec_float4)(c)))));
}

static __inline qword si_dfms(qword a, qword b, qword c)
{
  union {
    vec_double2 v;
    double d[2];
  } aa, bb, cc, dd;

  aa.v = (vec_double2)(a);
  bb.v = (vec_double2)(b);
  cc.v = (vec_double2)(c);
  dd.d[0] = aa.d[0] * bb.d[0] - cc.d[0];
  dd.d[1] = aa.d[1] * bb.d[1] - cc.d[1];
  return ((qword)(dd.v));
}

/* Multiply
 */
static __inline qword si_fm(qword a, qword b)
{
  return ((qword)(vec_madd((vec_float4)(a), (vec_float4)(b), ((vec_float4){0.0f}))));
}

static __inline qword si_dfm(qword a, qword b)
{
  union {
    vec_double2 v;
    double d[2];
  } aa, bb, dd;

  aa.v = (vec_double2)(a);
  bb.v = (vec_double2)(b);
  dd.d[0] = aa.d[0] * bb.d[0];
  dd.d[1] = aa.d[1] * bb.d[1];
  return ((qword)(dd.v));
}

/* Multiply High
 */
static __inline qword si_mpyh(qword a, qword b)
{
  vec_uint4 sixteen = (vec_uint4){16, 16, 16, 16};

  return ((qword)(vec_sl(vec_mule((vec_short8)(a), (vec_short8)(vec_sl((vec_uint4)(b), sixteen))), sixteen)));
}


/* Multiply High High
 */
static __inline qword si_mpyhh(qword a, qword b)
{
  return ((qword)(vec_mule((vec_short8)(a), (vec_short8)(b))));
}

static __inline qword si_mpyhhu(qword a, qword b)
{
  return ((qword)(vec_mule((vec_ushort8)(a), (vec_ushort8)(b))));
}

/* Multiply Odd
 */
static __inline qword si_mpy(qword a, qword b)
{
  return ((qword)(vec_mulo((vec_short8)(a), (vec_short8)(b))));
}

static __inline qword si_mpyu(qword a, qword b)
{
  return ((qword)(vec_mulo((vec_ushort8)(a), (vec_ushort8)(b))));
}

static __inline qword si_mpyi(qword a, short b)
{
  return ((qword)(vec_mulo((vec_short8)(a), 
			   vec_splat((vec_short8)(si_from_short(b)), 1))));
}

static __inline qword si_mpyui(qword a, unsigned short b)
{
  return ((qword)(vec_mulo((vec_ushort8)(a), 
			   vec_splat((vec_ushort8)(si_from_ushort(b)), 1))));
}

/* Multiply and Shift Right
 */
static __inline qword si_mpys(qword a, qword b)
{
  return ((qword)(vec_sra(vec_mulo((vec_short8)(a), (vec_short8)(b)), ((vec_uint4){16,16,16,16}))));
}

/* Nand
 */
static __inline qword si_nand(qword a, qword b)
{
  vec_uchar16 d;

  d = vec_and((vec_uchar16)(a), (vec_uchar16)(b));
  return ((qword)(vec_nor(d, d)));
}

/* Negative Multiply Add
 */
static __inline qword si_dfnma(qword a, qword b, qword c)
{
  union {
    vec_double2 v;
    double d[2];
  } aa, bb, cc, dd;

  aa.v = (vec_double2)(a);
  bb.v = (vec_double2)(b);
  cc.v = (vec_double2)(c);
  dd.d[0] = -cc.d[0] - aa.d[0] * bb.d[0];
  dd.d[1] = -cc.d[1] - aa.d[1] * bb.d[1];
  return ((qword)(dd.v));
}

/* Negative Multiply and Subtract
 */
static __inline qword si_fnms(qword a, qword b, qword c)
{
  return ((qword)(vec_nmsub((vec_float4)(a), (vec_float4)(b), (vec_float4)(c))));
}

static __inline qword si_dfnms(qword a, qword b, qword c)
{
  union {
    vec_double2 v;
    double d[2];
  } aa, bb, cc, dd;

  aa.v = (vec_double2)(a);
  bb.v = (vec_double2)(b);
  cc.v = (vec_double2)(c);
  dd.d[0] = cc.d[0] - aa.d[0] * bb.d[0];
  dd.d[1] = cc.d[1] - aa.d[1] * bb.d[1];
  return ((qword)(dd.v));
}

/* Nor
 */
static __inline qword si_nor(qword a, qword b)
{
  return ((qword)(vec_nor((vec_uchar16)(a), (vec_uchar16)(b))));
}

/* Or
 */
static __inline qword si_or(qword a, qword b)
{
  return ((qword)(vec_or((vec_uchar16)(a), (vec_uchar16)(b))));
}

static __inline qword si_orbi(qword a, unsigned char b)
{
  return ((qword)(vec_or((vec_uchar16)(a), 
			 vec_splat((vec_uchar16)(si_from_uchar(b)), 3))));
}

static __inline qword si_orhi(qword a, unsigned short b)
{
  return ((qword)(vec_or((vec_ushort8)(a), 
			  vec_splat((vec_ushort8)(si_from_ushort(b)), 1))));
}

static __inline qword si_ori(qword a, unsigned int b)
{
  return ((qword)(vec_or((vec_uint4)(a), 
			  vec_splat((vec_uint4)(si_from_uint(b)), 0))));
}

/* Or Complement
 */
static __inline qword si_orc(qword a, qword b)
{
  return ((qword)(vec_or((vec_uchar16)(a), vec_nor((vec_uchar16)(b), (vec_uchar16)(b)))));
}


/* Or Across
 */
static __inline qword si_orx(qword a)
{
  vec_uchar16 tmp;
  tmp = (vec_uchar16)(a);
  tmp = vec_or(tmp, vec_sld(tmp, tmp, 8));
  tmp = vec_or(tmp, vec_sld(tmp, tmp, 4));
  return ((qword)(vec_and(tmp, ((vec_uchar16){0xFF,0xFF,0xFF,0xFF, 0x00,0x00,0x00,0x00,
				              0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00}))));
}


/* Estimates
 */
static __inline qword si_frest(qword a)
{
  return ((qword)(vec_re((vec_float4)(a))));
}

static __inline qword si_frsqest(qword a)
{
  return ((qword)(vec_rsqrte((vec_float4)(a))));
}

#define si_fi(_a, _d)		(_d)

/* Channel Read and Write
 */
#define si_rdch(_channel)		((qword)(vec_splat_u8(0)))	/* not mappable */
#define si_rchcnt(_channel)		((qword)(vec_splat_u8(0)))	/* not mappable */
#define si_wrch(_channel, _a)		/* not mappable */

/* Rotate Left
 */
static __inline qword si_roth(qword a, qword b)
{
  return ((qword)(vec_rl((vec_ushort8)(a), (vec_ushort8)(b))));
}

static __inline qword si_rot(qword a, qword b)
{
  return ((qword)(vec_rl((vec_uint4)(a), (vec_uint4)(b))));
}

static __inline qword si_rothi(qword a, int b)
{
  return ((qword)(vec_rl((vec_ushort8)(a), 
			 vec_splat((vec_ushort8)(si_from_int(b)), 1))));
}

static __inline qword si_roti(qword a, int b)
{
  return ((qword)(vec_rl((vec_uint4)(a), 
			 vec_splat((vec_uint4)(si_from_int(b)), 0))));
}

/* Rotate Left with Mask
 */
static __inline qword si_rothm(qword a, qword b)
{
  vec_ushort8 neg_b;
  vec_ushort8 mask;

  neg_b = (vec_ushort8)vec_sub(vec_splat_s16(0), (vec_short8)(b));
  mask = vec_sra(vec_sl(neg_b, vec_splat_u16(11)), vec_splat_u16(15));
  return ((qword)(vec_andc(vec_sr((vec_ushort8)(a), neg_b), mask)));
}

static __inline qword si_rotm(qword a, qword b)
{
  vec_uint4 neg_b;
  vec_uint4 mask;

  neg_b = (vec_uint4)vec_sub(vec_splat_s32(0), (vec_int4)(b));
  mask = vec_sra(vec_sl(neg_b, ((vec_uint4){26,26,26,26})), ((vec_uint4){31,31,31,31}));
  return ((qword)(vec_andc(vec_sr((vec_uint4)(a), neg_b), mask)));
}

static __inline qword si_rothmi(qword a, int b)
{
  vec_ushort8 neg_b;
  vec_ushort8 mask;

  neg_b = vec_splat((vec_ushort8)(si_from_int(-b)), 1);
  mask = vec_sra(vec_sl(neg_b, vec_splat_u16(11)), vec_splat_u16(15));
  return ((qword)(vec_andc(vec_sr((vec_ushort8)(a), neg_b), mask)));
}

static __inline qword si_rotmi(qword a, int b)
{
  vec_uint4 neg_b;
  vec_uint4 mask;

  neg_b = vec_splat((vec_uint4)(si_from_int(-b)), 0);
  mask = vec_sra(vec_sl(neg_b, ((vec_uint4){26,26,26,26})), ((vec_uint4){31,31,31,31}));
  return ((qword)(vec_andc(vec_sr((vec_uint4)(a), neg_b), mask)));
}


/* Rotate Left Algebraic with Mask
 */
static __inline qword si_rotmah(qword a, qword b)
{
  vec_ushort8 neg_b;
  vec_ushort8 mask;

  neg_b = (vec_ushort8)vec_sub(vec_splat_s16(0), (vec_short8)(b));
  mask = vec_sra(vec_sl(neg_b, vec_splat_u16(11)), vec_splat_u16(15));
  return ((qword)(vec_sra((vec_short8)(a), (vec_ushort8)vec_or(neg_b, mask))));
}

static __inline qword si_rotma(qword a, qword b)
{
  vec_uint4 neg_b;
  vec_uint4 mask;

  neg_b = (vec_uint4)vec_sub(vec_splat_s32(0), (vec_int4)(b));
  mask = vec_sra(vec_sl(neg_b, ((vec_uint4){26,26,26,26})), ((vec_uint4){31,31,31,31}));
  return ((qword)(vec_sra((vec_int4)(a), (vec_uint4)vec_or(neg_b, mask))));
}


static __inline qword si_rotmahi(qword a, int b)
{
  vec_ushort8 neg_b;
  vec_ushort8 mask;

  neg_b = vec_splat((vec_ushort8)(si_from_int(-b)), 1);
  mask = vec_sra(vec_sl(neg_b, vec_splat_u16(11)), vec_splat_u16(15));
  return ((qword)(vec_sra((vec_short8)(a), (vec_ushort8)vec_or(neg_b, mask))));
}

static __inline qword si_rotmai(qword a, int b)
{
  vec_uint4 neg_b;
  vec_uint4 mask;

  neg_b = vec_splat((vec_uint4)(si_from_int(-b)), 0);
  mask = vec_sra(vec_sl(neg_b, ((vec_uint4){26,26,26,26})), ((vec_uint4){31,31,31,31}));
  return ((qword)(vec_sra((vec_int4)(a), (vec_uint4)vec_or(neg_b, mask))));
}


/* Rotate Left Quadword by Bytes with Mask
 */
static __inline qword si_rotqmbyi(qword a, int count)
{
  union {
    vec_uchar16 v;
    int i[4];
  } x;
  vec_uchar16 mask;

  count = 0 - count;
  x.i[3] = count << 3;
  mask = (count & 0x10) ? vec_splat_u8(0) : vec_splat_u8(-1);

  return ((qword)(vec_and(vec_sro((vec_uchar16)(a), x.v), mask)));
}


static __inline qword si_rotqmby(qword a, qword count)
{
  union {
    vec_uchar16 v;
    int i[4];
  } x;
  int cnt;
  vec_uchar16 mask;

  x.v = (vec_uchar16)(count);
  x.i[0] = cnt = (0 - x.i[0]) << 3;

  x.v = vec_splat(x.v, 3);
  mask = (cnt & 0x80) ? vec_splat_u8(0) : vec_splat_u8(-1);

  return ((qword)(vec_and(vec_sro((vec_uchar16)(a), x.v), mask)));
}


/* Rotate Left Quadword by Bytes
 */
static __inline qword si_rotqbyi(qword a, int count)
{
  union {
    vec_uchar16 v;
    int i[4];
  } left, right;
 
  count <<= 3;
  left.i[3] = count;
  right.i[3] = 0 - count;
  return ((qword)(vec_or(vec_slo((vec_uchar16)(a), left.v), vec_sro((vec_uchar16)(a), right.v))));
}

static __inline qword si_rotqby(qword a, qword count)
{
  vec_uchar16 left, right;
 
  left = vec_sl(vec_splat((vec_uchar16)(count), 3), vec_splat_u8(3));
  right = vec_sub(vec_splat_u8(0), left);
  return ((qword)(vec_or(vec_slo((vec_uchar16)(a), left), vec_sro((vec_uchar16)(a), right))));
}

/* Rotate Left Quadword by Bytes Bit Count
 */
static __inline qword si_rotqbybi(qword a, qword count)
{
  vec_uchar16 left, right;

  left = vec_splat((vec_uchar16)(count), 3);
  right = vec_sub(vec_splat_u8(7), left);
  return ((qword)(vec_or(vec_slo((vec_uchar16)(a), left), vec_sro((vec_uchar16)(a), right))));
}


/* Rotate Left Quadword by Bytes Bit Count
 */
static __inline qword si_rotqbii(qword a, int count)
{
  vec_uchar16 x, y;
  vec_uchar16 result;
 
  x = vec_splat((vec_uchar16)(si_from_int(count & 7)), 3);
  y = (vec_uchar16)(vec_sr((vec_uint4)vec_sro((vec_uchar16)(a), ((vec_uchar16)((vec_uint4){0,0,0,120}))),
			   (vec_uint4)vec_sub(vec_splat_u8(8), x)));
  result = vec_or(vec_sll((qword)(a), x), y);
  return ((qword)(result));
}

static __inline qword si_rotqbi(qword a, qword count)
{
  vec_uchar16 x, y;
  vec_uchar16 result;
 
  x = vec_and(vec_splat((vec_uchar16)(count), 3), vec_splat_u8(7));
  y = (vec_uchar16)(vec_sr((vec_uint4)vec_sro((vec_uchar16)(a), ((vec_uchar16)((vec_uint4){0,0,0,120}))),
			   (vec_uint4)vec_sub(vec_splat_u8(8), x)));
  
  result = vec_or(vec_sll((qword)(a), x), y);
  return ((qword)(result));
}


/* Rotate Left Quadword and Mask by Bits
 */
static __inline qword si_rotqmbii(qword a, int count)
{
  return ((qword)(vec_srl((vec_uchar16)(a), vec_splat((vec_uchar16)(si_from_int(0 - count)), 3))));
}

static __inline qword si_rotqmbi(qword a, qword count)
{
  return ((qword)(vec_srl((vec_uchar16)(a), vec_sub(vec_splat_u8(0), vec_splat((vec_uchar16)(count), 3)))));
}


/* Rotate Left Quadword and Mask by Bytes with Bit Count
 */
static __inline qword si_rotqmbybi(qword a, qword count)
{
  union {
    vec_uchar16 v;
    int i[4];
  } x;
  int cnt;
  vec_uchar16 mask;

  x.v = (vec_uchar16)(count);
  x.i[0] = cnt = 0 - (x.i[0] & ~7);
  x.v = vec_splat(x.v, 3);
  mask = (cnt & 0x80) ? vec_splat_u8(0) : vec_splat_u8(-1);

  return ((qword)(vec_and(vec_sro((vec_uchar16)(a), x.v), mask)));
}




/* Round Double to Float
 */
static __inline qword si_frds(qword a)
{
  union {
    vec_float4 v;
    float f[4];
  } d;
  union {
    vec_double2 v;
    double d[2];
  } in;

  in.v = (vec_double2)(a);
  d.v = (vec_float4){0.0f};
  d.f[0] = (float)in.d[0];
  d.f[2] = (float)in.d[1];

  return ((qword)(d.v));
}

/* Select Bits
 */
static __inline qword si_selb(qword a, qword b, qword c)
{
  return ((qword)(vec_sel((vec_uchar16)(a), (vec_uchar16)(b), (vec_uchar16)(c))));
}


/* Shuffle Bytes
 */
static __inline qword si_shufb(qword a, qword b, qword pattern)
{
  vec_uchar16 pat;

  pat = vec_sel(((vec_uchar16){0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15}), 
		vec_sr((vec_uchar16)(pattern), vec_splat_u8(3)),
		vec_sra((vec_uchar16)(pattern), vec_splat_u8(7)));
  return ((qword)(vec_perm(vec_perm(a, b, pattern), 
			   ((vec_uchar16){0, 0, 0, 0, 0, 0, 0, 0,
				          0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x80, 0x80, 0x80}),
			   pat)));
}


/* Shift Left
 */
static __inline qword si_shlh(qword a, qword b)
{
  vec_ushort8 mask;

  mask = (vec_ushort8)vec_sra(vec_sl((vec_ushort8)(b), vec_splat_u16(11)), vec_splat_u16(15));
  return ((qword)(vec_andc(vec_sl((vec_ushort8)(a), (vec_ushort8)(b)), mask)));
}

static __inline qword si_shl(qword a, qword b)
{
  vec_uint4 mask;

  mask = (vec_uint4)vec_sra(vec_sl((vec_uint4)(b), ((vec_uint4){26,26,26,26})), ((vec_uint4){31,31,31,31}));
  return ((qword)(vec_andc(vec_sl((vec_uint4)(a), (vec_uint4)(b)), mask)));
}


static __inline qword si_shlhi(qword a, unsigned int b)
{
  vec_ushort8 mask;
  vec_ushort8 bv;

  bv = vec_splat((vec_ushort8)(si_from_int(b)), 1);
  mask = (vec_ushort8)vec_sra(vec_sl(bv, vec_splat_u16(11)), vec_splat_u16(15));
  return ((qword)(vec_andc(vec_sl((vec_ushort8)(a), bv), mask)));
}

static __inline qword si_shli(qword a, unsigned int b)
{
  vec_uint4 bv;
  vec_uint4 mask;

  bv = vec_splat((vec_uint4)(si_from_uint(b)), 0);
  mask = (vec_uint4)vec_sra(vec_sl(bv, ((vec_uint4){26,26,26,26})), ((vec_uint4){31,31,31,31}));
  return ((qword)(vec_andc(vec_sl((vec_uint4)(a), bv), mask)));
}


/* Shift Left Quadword
 */
static __inline qword si_shlqbii(qword a, unsigned int count)
{
  vec_uchar16 x;

  x = vec_splat((vec_uchar16)(si_from_uint(count)), 3);
  return ((qword)(vec_sll((vec_uchar16)(a), x)));
}

static __inline qword si_shlqbi(qword a, qword count)
{
  vec_uchar16 x;

  x = vec_splat((vec_uchar16)(count), 3);
  return ((qword)(vec_sll((vec_uchar16)(a), x)));
}


/* Shift Left Quadword by Bytes
 */
static __inline qword si_shlqbyi(qword a, unsigned int count)
{
  union {
    vec_uchar16 v;
    int i[4];
  } x;
  vec_uchar16 mask;

  x.i[3] = count << 3;
  mask = (count & 0x10) ? vec_splat_u8(0) : vec_splat_u8(-1);
  return ((qword)(vec_and(vec_slo((vec_uchar16)(a), x.v), mask)));
}

static __inline qword si_shlqby(qword a, qword count)
{
  union {
    vec_uchar16 v;
    unsigned int i[4];
  } x;
  unsigned int cnt;
  vec_uchar16 mask;

  x.v = vec_sl(vec_splat((vec_uchar16)(count), 3), vec_splat_u8(3));
  cnt = x.i[0];
  mask = (cnt & 0x80) ? vec_splat_u8(0) : vec_splat_u8(-1);
  return ((qword)(vec_and(vec_slo((vec_uchar16)(a), x.v), mask)));
}

/* Shift Left Quadword by Bytes with Bit Count
 */
static __inline qword si_shlqbybi(qword a, qword count)
{
  union {
    vec_uchar16 v;
    int i[4];
  } x;
  unsigned int cnt;
  vec_uchar16 mask;

  x.v = vec_splat((vec_uchar16)(count), 3);
  cnt = x.i[0];
  mask = (cnt & 0x80) ? vec_splat_u8(0) : vec_splat_u8(-1);
  return ((qword)(vec_and(vec_slo((vec_uchar16)(a), x.v), mask)));
}


/* Stop and Signal
 */
#define si_stop(_type)		SPU_STOP_ACTION
#define si_stopd(a, b, c)	SPU_STOP_ACTION


/* Subtract
 */
static __inline qword si_sfh(qword a, qword b)
{
  return ((qword)(vec_sub((vec_ushort8)(b), (vec_ushort8)(a))));
}

static __inline qword si_sf(qword a, qword b)
{
  return ((qword)(vec_sub((vec_uint4)(b), (vec_uint4)(a))));
}

static __inline qword si_fs(qword a, qword b)
{
  return ((qword)(vec_sub((vec_float4)(a), (vec_float4)(b))));
}

static __inline qword si_dfs(qword a, qword b)
{
  union {
    vec_double2 v;
    double d[2];
  } aa, bb, dd;

  aa.v = (vec_double2)(a);
  bb.v = (vec_double2)(b);
  dd.d[0] = aa.d[0] - bb.d[0];
  dd.d[1] = aa.d[1] - bb.d[1];
  return ((qword)(dd.v));
}

static __inline qword si_sfhi(qword a, short b)
{
  return ((qword)(vec_sub(vec_splat((vec_short8)(si_from_short(b)), 1),
			  (vec_short8)(a))));
}

static __inline qword si_sfi(qword a, int b)
{
  return ((qword)(vec_sub(vec_splat((vec_int4)(si_from_int(b)), 0),
			  (vec_int4)(a))));
}

/* Subtract word extended
 */
#define si_sfx(_a, _b, _c)	((qword)(vec_add(vec_add((vec_uint4)(_b), 				\
							 vec_nor((vec_uint4)(_a), (vec_uint4)(_a))), 	\
						 vec_and((vec_uint4)(_c), vec_splat_u32(1)))))


/* Sum Bytes into Shorts
 */
static __inline qword si_sumb(qword a, qword b)
{
  vec_uint4 zero = (vec_uint4){0};
  vec_ushort8 sum_a, sum_b;
  
  sum_a = (vec_ushort8)vec_sum4s((vec_uchar16)(a), zero);
  sum_b = (vec_ushort8)vec_sum4s((vec_uchar16)(b), zero);

  return ((qword)(vec_perm(sum_a, sum_b, ((vec_uchar16){18, 19,  2,  3, 22, 23,  6,  7,
					                26, 27, 10, 11, 30, 31, 14, 15}))));
}

/* Exclusive OR
 */
static __inline qword si_xor(qword a, qword b)
{
  return ((qword)(vec_xor((vec_uchar16)(a), (vec_uchar16)(b))));
}

static __inline qword si_xorbi(qword a, unsigned char b)
{
  return ((qword)(vec_xor((vec_uchar16)(a), 
			  vec_splat((vec_uchar16)(si_from_uchar(b)), 3))));
}

static __inline qword si_xorhi(qword a, unsigned short b)
{
  return ((qword)(vec_xor((vec_ushort8)(a), 
			  vec_splat((vec_ushort8)(si_from_ushort(b)), 1))));
}

static __inline qword si_xori(qword a, unsigned int b)
{
  return ((qword)(vec_xor((vec_uint4)(a), 
			  vec_splat((vec_uint4)(si_from_uint(b)), 0))));
}


/* Generate Controls for Sub-Quadword Insertion
 */
static __inline qword si_cbd(qword a, int imm)
{
  union {
    vec_uint4 v;
    unsigned char c[16];
  } shmask;

  shmask.v = ((vec_uint4){0x10111213, 0x14151617, 0x18191A1B, 0x1C1D1E1F});
  shmask.c[(si_to_uint(a) + (unsigned int)(imm)) & 0xF] = 0x03;
  return ((qword)(shmask.v));
}

static __inline qword si_cdd(qword a, int imm)
{
  union {
    vec_uint4 v;
    unsigned long long ll[2];
  } shmask;

  shmask.v = ((vec_uint4){0x10111213, 0x14151617, 0x18191A1B, 0x1C1D1E1F});
  shmask.ll[((si_to_uint(a) + (unsigned int)(imm)) >> 3) & 0x1] = 0x0001020304050607ULL;
  return ((qword)(shmask.v));
}

static __inline qword si_chd(qword a, int imm)
{
  union {
    vec_uint4 v;
    unsigned short s[8];
  } shmask;

  shmask.v = ((vec_uint4){0x10111213, 0x14151617, 0x18191A1B, 0x1C1D1E1F});
  shmask.s[((si_to_uint(a) + (unsigned int)(imm)) >> 1) & 0x7] = 0x0203;
  return ((qword)(shmask.v));
}

static __inline qword si_cwd(qword a, int imm)
{
  union {
    vec_uint4 v;
    unsigned int i[4];
  } shmask;

  shmask.v = ((vec_uint4){0x10111213, 0x14151617, 0x18191A1B, 0x1C1D1E1F});
  shmask.i[((si_to_uint(a) + (unsigned int)(imm)) >> 2) & 0x3] = 0x00010203;
  return ((qword)(shmask.v));
}

static __inline qword si_cbx(qword a, qword b)
{
  union {
    vec_uint4 v;
    unsigned char c[16];
  } shmask;

  shmask.v = ((vec_uint4){0x10111213, 0x14151617, 0x18191A1B, 0x1C1D1E1F});
  shmask.c[si_to_uint((qword)(vec_add((vec_uint4)(a), (vec_uint4)(b)))) & 0xF] = 0x03;
  return ((qword)(shmask.v));
}


static __inline qword si_cdx(qword a, qword b)
{
  union {
    vec_uint4 v;
    unsigned long long ll[2];
  } shmask;

  shmask.v = ((vec_uint4){0x10111213, 0x14151617, 0x18191A1B, 0x1C1D1E1F});
  shmask.ll[(si_to_uint((qword)(vec_add((vec_uint4)(a), (vec_uint4)(b)))) >> 3) & 0x1] = 0x0001020304050607ULL;
  return ((qword)(shmask.v));
}

static __inline qword si_chx(qword a, qword b)
{
  union {
    vec_uint4 v;
    unsigned short s[8];
  } shmask;

  shmask.v = ((vec_uint4){0x10111213, 0x14151617, 0x18191A1B, 0x1C1D1E1F});
  shmask.s[(si_to_uint((qword)(vec_add((vec_uint4)(a), (vec_uint4)(b)))) >> 1) & 0x7] = 0x0203;
  return ((qword)(shmask.v));
}

static __inline qword si_cwx(qword a, qword b)
{
  union {
    vec_uint4 v;
    unsigned int i[4];
  } shmask;

  shmask.v = ((vec_uint4){0x10111213, 0x14151617, 0x18191A1B, 0x1C1D1E1F});
  shmask.i[(si_to_uint((qword)(vec_add((vec_uint4)(a), (vec_uint4)(b)))) >> 2) & 0x3] = 0x00010203;
  return ((qword)(shmask.v));
}


/* Constant Formation
 */
static __inline qword si_il(signed short imm)
{
  return ((qword)(vec_splat((vec_int4)(si_from_int((signed int)(imm))), 0)));
}


static __inline qword si_ila(unsigned int imm)
{
  return ((qword)(vec_splat((vec_uint4)(si_from_uint(imm)), 0)));
}

static __inline qword si_ilh(signed short imm)
{
  return ((qword)(vec_splat((vec_short8)(si_from_short(imm)), 1)));
}

static __inline qword si_ilhu(signed short imm)
{
  return ((qword)(vec_splat((vec_uint4)(si_from_uint((unsigned int)(imm) << 16)), 0)));
}

static __inline qword si_iohl(qword a, unsigned short imm)
{
  return ((qword)(vec_or((vec_uint4)(a), vec_splat((vec_uint4)(si_from_uint((unsigned int)(imm))), 0))));
}

/* No Operation
 */
#define si_lnop()		/* do nothing */
#define si_nop()		/* do nothing */


/* Memory Load and Store
 */
static __inline qword si_lqa(unsigned int imm)
{
  return ((qword)(vec_ld(0, (vector unsigned char *)(imm))));
}

static __inline qword si_lqd(qword a, unsigned int imm)
{
  return ((qword)(vec_ld(si_to_uint(a) & ~0xF, (vector unsigned char *)(imm))));
}

static __inline qword si_lqr(unsigned int imm)
{
  return ((qword)(vec_ld(0, (vector unsigned char *)(imm))));
}

static __inline qword si_lqx(qword a, qword b)
{
  return ((qword)(vec_ld(si_to_uint((qword)(vec_add((vec_uint4)(a), (vec_uint4)(b)))), (vector unsigned char *)(0))));
}

static __inline void si_stqa(qword a, unsigned int imm)
{
  vec_st((vec_uchar16)(a), 0, (vector unsigned char *)(imm));
}

static __inline void si_stqd(qword a, qword b, unsigned int imm)
{
  vec_st((vec_uchar16)(a), si_to_uint(b) & ~0xF, (vector unsigned char *)(imm));
}

static __inline void si_stqr(qword a, unsigned int imm)
{
  vec_st((vec_uchar16)(a), 0, (vector unsigned char *)(imm));
}

static __inline void si_stqx(qword a, qword b, qword c)
{
  vec_st((vec_uchar16)(a), 
	 si_to_uint((qword)(vec_add((vec_uint4)(b), (vec_uint4)(c)))),
	 (vector unsigned char *)(0));
}

#endif /* !__SPU__ */
#endif /* !_SI2VMX_H_ */

