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needed compiler features to convert backend to D #8112

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Jun 22, 2018
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needed compiler features to convert backend to D #8112

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22 changes: 11 additions & 11 deletions src/dmd/backend/divcoeff.d
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@ void u128Div(ullong xh, ullong xl, ullong yh, ullong yl, ullong *pqh, ullong *pq

//ullong xxh = xh, xxl = xl, yyh = yh, yyl = yl;

// assert(yh || yl); // no div-by-0 bugs
assert(yh || yl); // no div-by-0 bugs

// left justify y
uint shiftcount = 1;
Expand Down Expand Up @@ -117,9 +117,9 @@ void u128Div(ullong xh, ullong xl, ullong yh, ullong yl, ullong *pqh, ullong *pq

extern (C) bool choose_multiplier(int N, ullong d, int prec, ullong *pm, int *pshpost)
{
// assert(N == 32 || N == 64);
// assert(prec <= N);
// assert(d > 1 && (d & (d - 1)));
assert(N == 32 || N == 64);
assert(prec <= N);
assert(d > 1 && (d & (d - 1)));

// Compute b such that 2**(b-1) < d <= 2**b
// which is the number of significant bits in d
Expand Down Expand Up @@ -205,8 +205,8 @@ extern (C) bool choose_multiplier(int N, ullong d, int prec, ullong *pm, int *ps
*pm = mhighl;
mhighbit = mhighh & 1;
}
// else
// assert(0);
else
assert(0);

*pshpost = shpost;
return mhighbit;
Expand Down Expand Up @@ -243,7 +243,7 @@ extern (C) bool udiv_coefficients(int N, ullong d, int *pshpre, ullong *pm, int
}
*pshpre = e;
mhighbit = choose_multiplier(N, d, N - e, pm, pshpost);
// assert(mhighbit == false);
assert(mhighbit == false);
}
else
*pshpre = 0;
Expand Down Expand Up @@ -290,10 +290,10 @@ unittest
bool mhighbit = udiv_coefficients(ps.N, ps.d, &shpre, &m, &shpost);

//printf("[%d] %d %d %llx %d\n", i, shpre, mhighbit, m, shpost);
// assert(shpre == ps.shpre);
// assert(mhighbit == ps.highbit);
// assert(m == ps.m);
// assert(shpost == ps.shpost);
assert(shpre == ps.shpre);
assert(mhighbit == ps.highbit);
assert(m == ps.m);
assert(shpost == ps.shpost);
}
}

Expand Down