// File: /workspace/github_cpp_makefile_star2_O1/marxn[P]pupp/3rdparty/gmp/mpn/toom_interpolate_5pts.c
// Function: _gmpn_toom_interpolate_5pts
void
mpn_toom_interpolate_5pts (mp_ptr c, mp_ptr v2, mp_ptr vm1,
			   mp_size_t k, mp_size_t twor, int sa,
			   mp_limb_t vinf0)
{
  mp_limb_t cy, saved;
  mp_size_t twok;
  mp_size_t kk1;
  mp_ptr c1, v1, c3, vinf;

  twok = k + k;
  kk1 = twok + 1;

  c1 = c  + k;
  v1 = c1 + k;
  c3 = v1 + k;
  vinf = c3 + k;

#define v0 (c)
  /* (1) v2 <- v2-vm1 < v2+|vm1|,       (16 8 4 2 1) - (1 -1 1 -1  1) =
     thus 0 <= v2 < 50*B^(2k) < 2^6*B^(2k)             (15 9 3  3  0)
  */
  if (sa)
    ASSERT_NOCARRY (mpn_add_n (v2, v2, vm1, kk1));
  else
    ASSERT_NOCARRY (mpn_sub_n (v2, v2, vm1, kk1));

  /* {c,2k} {c+2k,2k+1} {c+4k+1,2r-1} {t,2k+1} {t+2k+1,2k+1} {t+4k+2,2r}
       v0       v1       hi(vinf)       |vm1|     v2-vm1      EMPTY */

  ASSERT_NOCARRY (mpn_divexact_by3 (v2, v2, kk1));    /* v2 <- v2 / 3 */
						      /* (5 3 1 1 0)*/

  /* {c,2k} {c+2k,2k+1} {c+4k+1,2r-1} {t,2k+1} {t+2k+1,2k+1} {t+4k+2,2r}
       v0       v1      hi(vinf)       |vm1|     (v2-vm1)/3    EMPTY */

  /* (2) vm1 <- tm1 := (v1 - vm1) / 2  [(1 1 1 1 1) - (1 -1 1 -1 1)] / 2 =
     tm1 >= 0                                         (0  1 0  1 0)
     No carry comes out from {v1, kk1} +/- {vm1, kk1},
     and the division by two is exact.
     If (sa!=0) the sign of vm1 is negative */
  if (sa)
    {
#ifdef HAVE_NATIVE_mpn_rsh1add_n
      mpn_rsh1add_n (vm1, v1, vm1, kk1);
#else
      ASSERT_NOCARRY (mpn_add_n (vm1, v1, vm1, kk1));
      ASSERT_NOCARRY (mpn_rshift (vm1, vm1, kk1, 1));
#endif
    }
  else
    {
#ifdef HAVE_NATIVE_mpn_rsh1sub_n
      mpn_rsh1sub_n (vm1, v1, vm1, kk1);
#else
      ASSERT_NOCARRY (mpn_sub_n (vm1, v1, vm1, kk1));
      ASSERT_NOCARRY (mpn_rshift (vm1, vm1, kk1, 1));
#endif
    }

  /* {c,2k} {c+2k,2k+1} {c+4k+1,2r-1} {t,2k+1} {t+2k+1,2k+1} {t+4k+2,2r}
       v0       v1        hi(vinf)       tm1     (v2-vm1)/3    EMPTY */

  /* (3) v1 <- t1 := v1 - v0    (1 1 1 1 1) - (0 0 0 0 1) = (1 1 1 1 0)
     t1 >= 0
  */
  vinf[0] -= mpn_sub_n (v1, v1, c, twok);

  /* {c,2k} {c+2k,2k+1} {c+4k+1,2r-1} {t,2k+1} {t+2k+1,2k+1} {t+4k+2,2r}
       v0     v1-v0        hi(vinf)       tm1     (v2-vm1)/3    EMPTY */

  /* (4) v2 <- t2 := ((v2-vm1)/3-t1)/2 = (v2-vm1-3*t1)/6
     t2 >= 0                  [(5 3 1 1 0) - (1 1 1 1 0)]/2 = (2 1 0 0 0)
  */
#ifdef HAVE_NATIVE_mpn_rsh1sub_n
  mpn_rsh1sub_n (v2, v2, v1, kk1);
#else
  ASSERT_NOCARRY (mpn_sub_n (v2, v2, v1, kk1));
  ASSERT_NOCARRY (mpn_rshift (v2, v2, kk1, 1));
#endif

  /* {c,2k} {c+2k,2k+1} {c+4k+1,2r-1} {t,2k+1} {t+2k+1,2k+1} {t+4k+2,2r}
       v0     v1-v0        hi(vinf)     tm1    (v2-vm1-3t1)/6    EMPTY */

  /* (5) v1 <- t1-tm1           (1 1 1 1 0) - (0 1 0 1 0) = (1 0 1 0 0)
     result is v1 >= 0
  */
  ASSERT_NOCARRY (mpn_sub_n (v1, v1, vm1, kk1));

  /* We do not need to read the value in vm1, so we add it in {c+k, ...} */
  cy = mpn_add_n (c1, c1, vm1, kk1);
  MPN_INCR_U (c3 + 1, twor + k - 1, cy); /* 2n-(3k+1) = 2r+k-1 */
  /* Memory allocated for vm1 is now free, it can be recycled ...*/

  /* (6) v2 <- v2 - 2*vinf,     (2 1 0 0 0) - 2*(1 0 0 0 0) = (0 1 0 0 0)
     result is v2 >= 0 */
  saved = vinf[0];       /* Remember v1's highest byte (will be overwritten). */
  vinf[0] = vinf0;       /* Set the right value for vinf0                     */
#ifdef HAVE_NATIVE_mpn_sublsh1_n_ip1
  cy = mpn_sublsh1_n_ip1 (v2, vinf, twor);
#else
  /* Overwrite unused vm1 */
  cy = mpn_lshift (vm1, vinf, twor, 1);
  cy += mpn_sub_n (v2, v2, vm1, twor);
#endif
  MPN_DECR_U (v2 + twor, kk1 - twor, cy);

  /* Current matrix is
     [1 0 0 0 0; vinf
      0 1 0 0 0; v2
      1 0 1 0 0; v1
      0 1 0 1 0; vm1
      0 0 0 0 1] v0
     Some values already are in-place (we added vm1 in the correct position)
     | vinf|  v1 |  v0 |
	      | vm1 |
     One still is in a separated area
	| +v2 |
     We have to compute v1-=vinf; vm1 -= v2,
	   |-vinf|
	      | -v2 |
     Carefully reordering operations we can avoid to compute twice the sum
     of the high half of v2 plus the low half of vinf.
  */

  /* Add the high half of t2 in {vinf} */
  if ( LIKELY(twor > k + 1) ) { /* This is the expected flow  */
    cy = mpn_add_n (vinf, vinf, v2 + k, k + 1);
    MPN_INCR_U (c3 + kk1, twor - k - 1, cy); /* 2n-(5k+1) = 2r-k-1 */
  } else { /* triggered only by very unbalanced cases like
	      (k+k+(k-2))x(k+k+1) , should be handled by toom32 */
    ASSERT_NOCARRY (mpn_add_n (vinf, vinf, v2 + k, twor));
  }
  /* (7) v1 <- v1 - vinf,       (1 0 1 0 0) - (1 0 0 0 0) = (0 0 1 0 0)
     result is >= 0 */
  /* Side effect: we also subtracted (high half) vm1 -= v2 */
  cy = mpn_sub_n (v1, v1, vinf, twor);          /* vinf is at most twor long.  */
  vinf0 = vinf[0];                     /* Save again the right value for vinf0 */
  vinf[0] = saved;
  MPN_DECR_U (v1 + twor, kk1 - twor, cy);       /* Treat the last bytes.       */

  /* (8) vm1 <- vm1-v2          (0 1 0 1 0) - (0 1 0 0 0) = (0 0 0 1 0)
     Operate only on the low half.
  */
  cy = mpn_sub_n (c1, c1, v2, k);
  MPN_DECR_U (v1, kk1, cy);

  /********************* Beginning the final phase **********************/

  /* Most of the recomposition was done */

  /* add t2 in {c+3k, ...}, but only the low half */
  cy = mpn_add_n (c3, c3, v2, k);
  vinf[0] += cy;
  ASSERT(vinf[0] >= cy); /* No carry */
  MPN_INCR_U (vinf, twor, vinf0); /* Add vinf0, propagate carry. */

#undef v0
}

// Assembly:
pushq %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
subq $0x38, %rsp
movq %r8, 0x18(%rsp)
movq %rcx, %rbx
movq %rdx, %rbp
movq %rsi, %r15
movq %rdi, %r13
leaq 0x1(%rcx,%rcx), %rax
movq %rax, 0x8(%rsp)
leaq (%rdi,%rcx,8), %rax
movq %rax, 0x20(%rsp)
leaq (%rax,%rcx,8), %r12
leaq (%r12,%rcx,8), %r14
movl %r9d, 0x10(%rsp)
movq %rsi, %rdi
testl %r9d, %r9d
je 0x2843b
movq 0x8(%rsp), %rcx
callq 0x1bfa0
jmp 0x28445
movq 0x8(%rsp), %rcx
callq 0x1c1c0
leaq (%rbx,%rbx), %rax
movq %rax, 0x28(%rsp)
leaq (%r14,%rbx,8), %rax
movq %rax, 0x30(%rsp)
movabsq $0x5555555555555555, %rcx # imm = 0x5555555555555555
movq %r15, %rdi
movq %r15, %rsi
movq 0x8(%rsp), %rdx
xorl %r8d, %r8d
callq 0x2f410
cmpl $0x0, 0x10(%rsp)
je 0x28490
movq %rbp, %rdi
movq %r12, %rsi
movq %rbp, %rdx
movq 0x8(%rsp), %rcx
callq 0x2f8f0
jmp 0x284a3
movq %rbp, %rdi
movq %r12, %rsi
movq %rbp, %rdx
movq 0x8(%rsp), %rcx
callq 0x2fa30
movq %r12, %rdi
movq %r12, %rsi
movq %r13, %rdx
movq 0x28(%rsp), %rcx
callq 0x1c1c0
subq %rax, (%r14,%rbx,8)
movq %r15, %rdi
movq %r15, %rsi
movq %r12, %rdx
movq 0x8(%rsp), %r13
movq %r13, %rcx
callq 0x2fa30
movq %r12, %rdi
movq %r12, %rsi
movq %rbp, %rdx
movq %r13, %rcx
callq 0x1c1c0
movq 0x20(%rsp), %rdi
movq %rdi, %rsi
movq %rbp, %rdx
movq %r13, %rcx
callq 0x1bfa0
leaq 0x8(%r14), %rcx
addq %rax, (%rcx)
jae 0x28508
addq $0x1, 0x8(%rcx)
leaq 0x8(%rcx), %rcx
jb 0x284fd
movq (%r14,%rbx,8), %rax
movq %rax, 0x10(%rsp)
movq 0x70(%rsp), %rax
movq %rax, (%r14,%rbx,8)
movq %r15, %rdi
movq %r15, %rsi
movq 0x30(%rsp), %rbp
movq %rbp, %rdx
movq 0x18(%rsp), %r13
movq %r13, %rcx
callq 0x2f6c0
leaq (%r15,%r13,8), %rcx
subq %rax, (%rcx)
jae 0x28549
subq $0x1, 0x8(%rcx)
leaq 0x8(%rcx), %rcx
jb 0x2853e
leaq 0x1(%rbx), %rcx
leaq (%r15,%rbx,8), %rdx
movq %rbp, %rdi
movq %rbp, %rsi
cmpq %r13, %rcx
jge 0x2861a
callq 0x1bfa0
movq 0x8(%rsp), %rcx
leaq (%r14,%rcx,8), %rcx
addq %rax, (%rcx)
jae 0x2857e
addq $0x1, 0x8(%rcx)
leaq 0x8(%rcx), %rcx
jb 0x28573
movq %r12, %rdi
movq %r12, %rsi
movq %rbp, %rdx
movq 0x18(%rsp), %r13
movq %r13, %rcx
callq 0x1c1c0
movq (%r14,%rbx,8), %rcx
movq %rcx, 0x8(%rsp)
movq 0x10(%rsp), %rcx
movq %rcx, (%r14,%rbx,8)
leaq (%r12,%r13,8), %rcx
subq %rax, (%rcx)
jae 0x285ba
subq $0x1, 0x8(%rcx)
leaq 0x8(%rcx), %rcx
jb 0x285af
movq 0x20(%rsp), %rdi
movq %rdi, %rsi
movq %r15, %rdx
movq %rbx, %rcx
callq 0x1c1c0
subq %rax, (%r12)
jae 0x285e0
subq $0x1, 0x8(%r12)
leaq 0x8(%r12), %r12
jb 0x285d3
movq %r14, %rdi
movq %r14, %rsi
movq %r15, %rdx
movq %rbx, %rcx
callq 0x1bfa0
addq %rax, (%r14,%rbx,8)
movq 0x8(%rsp), %rax
addq %rax, (%rbp)
jae 0x2860b
addq $0x1, 0x8(%rbp)
leaq 0x8(%rbp), %rbp
jb 0x28600
addq $0x38, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
retq
movq 0x18(%rsp), %rcx
callq 0x1bfa0
jmp 0x2857e
nopl (%rax)