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remove old fp_sub

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MITSUNARI Shigeo 4 years ago
parent 5dc683fea3
commit 7813e6a608
1 changed files with 8 additions and 39 deletions
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  1. 47
      src/fp_generator.hpp

47
src/fp_generator.hpp
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@ -650,25 +650,6 @@ private:
mov(ptr [pz + i * 8], t);
}
}
/*
pz[] = px[] - py[] mod p[]
use rax, t
*/
void gen_raw_fp_sub(const RegExp& pz, const RegExp& px, const RegExp& py, const Pack& t, bool withCarry)
{
const Pack& p0 = t.sub(0, pn_);
const Pack& p1 = t.sub(pn_, pn_);
load_rm(p0, px);
sub_rm(p0, py, withCarry);
lea(rax, ptr[rip+pL_]);
load_rm(p1, rax);
sbb(rax, rax); // rax = (x > y) ? 0 : -1
for (size_t i = 0; i < p1.size(); i++) {
and_(p1[i], rax);
}
add_rr(p0, p1);
store_mr(pz, p0);
}
void gen_raw_fp_add(const RegExp& pz, const RegExp& px, const RegExp& py, const Pack& t, bool withCarry = false, const Reg64 *H = 0)
{
const Pack& t1 = t.sub(0, pn_);
@ -732,11 +713,11 @@ private:
Pack t = sf.t;
t.append(rax);
gen_raw_sub(pz, px, py, rax, pn_);
gen_raw_fp_sub_2(pz + pn_ * 8, px + pn_ * 8, py + pn_ * 8, t, true);
gen_raw_fp_sub(pz + pn_ * 8, px + pn_ * 8, py + pn_ * 8, t, true);
return func;
}
// require t.size() >= pn_ * 2
void gen_raw_fp_sub_2(const RegExp& pz, const RegExp& px, const RegExp& py, const Pack& t, bool withCarry)
void gen_raw_fp_sub(const RegExp& pz, const RegExp& px, const RegExp& py, const Pack& t, bool withCarry)
{
Pack t1 = t.sub(0, pn_);
Pack t2 = t.sub(pn_, pn_);
@ -751,18 +732,6 @@ private:
add_rr(t1, t2);
store_mr(pz, t1);
}
void gen_raw_fp_sub6(const RegExp& pz, const RegExp& px, const RegExp& py, int offset, const Pack& t, bool withCarry)
{
load_rm(t, px + offset);
sub_rm(t, py + offset, withCarry);
/*
jmp is faster than and-mask without jmp
*/
jnc("@f");
add_rm(t, rip + pL_);
L("@@");
store_mr(pz + offset, t);
}
void3u gen_fp_sub()
{
if (pn_ > 6) return 0;
@ -778,7 +747,7 @@ private:
const Reg64& py = sf.p[2];
Pack t = sf.t;
t.append(rax);
gen_raw_fp_sub_2(pz, px, py, t, false);
gen_raw_fp_sub(pz, px, py, t, false);
return func;
}
void2u gen_fp_neg()
@ -3497,7 +3466,7 @@ private:
gen_raw_sub(gp0, gp0, d2, rax, pn_);
const RegExp& d0H = gp0 + pn_ * 8;
const RegExp& d2H = (RegExp)d2 + pn_ * 8;
gen_raw_fp_sub_2(d0H, d0H, d2H, t, true);
gen_raw_fp_sub(d0H, d0H, d2H, t, true);
}
add(rsp, SS);
ret();
@ -3542,7 +3511,7 @@ private:
mov(gp2, ptr [x]);
call(mulPreL);
mov(gp0, ptr [x]);
gen_raw_fp_sub_2(t1, gp0, gp0 + FpByte_, t, false);
gen_raw_fp_sub(t1, gp0, gp0 + FpByte_, t, false);
mov(gp0, ptr [y]);
lea(gp1, ptr [t1]);
lea(gp2, ptr [t2]);
@ -3567,7 +3536,7 @@ private:
gen_raw_add(rsp, xa, xb, rax, pn_ * 2);
// low : x.a = x.a - x.b
gen_raw_sub(ya, xa, xb, rax, pn_);
gen_raw_fp_sub_2(ya + pn_ * 8, xa + pn_ * 8, xb + pn_ * 8, sf.t, true);
gen_raw_fp_sub(ya + pn_ * 8, xa + pn_ * 8, xb + pn_ * 8, sf.t, true);
// low : y.b = [rsp]
mov_mm(yb, rsp, rax, pn_);
@ -3608,8 +3577,8 @@ private:
const Reg64& py = sf.p[2];
Pack t = sf.t;
t.append(rax);
gen_raw_fp_sub_2(pz, px, py, t, false);
gen_raw_fp_sub_2(pz + FpByte_, px + FpByte_, py + FpByte_, t, false);
gen_raw_fp_sub(pz, px, py, t, false);
gen_raw_fp_sub(pz + FpByte_, px + FpByte_, py + FpByte_, t, false);
return func;
}
/*

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