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|
/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-dsp-lib
* Created on: 31 мар. 2020 г.
*
* lsp-dsp-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-dsp-lib 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PRIVATE_DSP_ARCH_X86_SSE4_3DMATH_H_
#define PRIVATE_DSP_ARCH_X86_SSE4_3DMATH_H_
#ifndef PRIVATE_DSP_ARCH_X86_SSE4_IMPL
#error "This header should not be included directly"
#endif /* PRIVATE_DSP_ARCH_X86_SSE4_IMPL */
namespace lsp
{
namespace sse4
{
using namespace dsp;
IF_ARCH_X86(
static const uint32_t X_MASK0111[] __lsp_aligned16 = { 0xffffffff, 0xffffffff, 0xffffffff, 0 };
static const float X_3DPOINT[] __lsp_aligned16 = { 0.0f, 0.0f, 0.0f, 1.0f };
static const float X_3D_TOLERANCE[] __lsp_aligned16 = { LSP_DSP_VEC4(DSP_3D_TOLERANCE) };
static const float X_3D_MTOLERANCE[] __lsp_aligned16 = { LSP_DSP_VEC4(-DSP_3D_TOLERANCE) };
static const uint32_t IONE[] __lsp_aligned16 = { LSP_DSP_VEC4(1) };
)
/* Input:
* x0 = a0 a1 a2 a3
* x1 = b0 b1 b2 b3
*
* Output:
* x0 = b0 b1 b2 b3
* x1 = a0 a1 a2 a3
*/
#define VECTOR_XCHG(x0, x1) \
__ASM_EMIT("xorps %" x0 ", %" x1) /* xmm1 = b ^ a */ \
__ASM_EMIT("xorps %" x1 ", %" x0) /* xmm0 = a ^ ( b ^ a) = b */ \
__ASM_EMIT("xorps %" x0 ", %" x1) /* xmm1 = (b ^ a) ^ b = a */
/* 3x vector multiplication
* Input:
* x0 = vector1 [dx dy dz ? ]
* x1 = vector2 [dx dy dz ? ]
* x2 = vector3 [dx dy dz ? ]
*
* Output:
* x0 = vector1 * vector2 [ vz vx vy ? ]
* x1 = vector2 * vector3 [ vz vx vy ? ]
* x2 = vector3 * vector1 [ vz vx vy ? ]
*/
#define VECTOR_MUL3(x0, x1, x2, x3, x4, x5, x6, x7) \
__ASM_EMIT("movaps %" x0 ", %" x3) /* xmm3 = dx0 dy0 dz0 dw0 */ \
__ASM_EMIT("movaps %" x1 ", %" x4) /* xmm4 = dx1 dy1 dz1 dw1 */ \
__ASM_EMIT("movaps %" x2 ", %" x5) /* xmm5 = dx2 dy2 dz2 dw2 */ \
__ASM_EMIT("shufps $0xc9, %" x3 ", %" x3) /* xmm3 = dy0 dz0 dx0 dw0 */ \
__ASM_EMIT("shufps $0xc9, %" x4 ", %" x4) /* xmm4 = dy1 dz1 dx1 dw1 */ \
__ASM_EMIT("shufps $0xc9, %" x5 ", %" x5) /* xmm5 = dy2 dz2 dx2 dw2 */ \
__ASM_EMIT("movaps %" x0 ", %" x6) /* xmm6 = dx0 dy0 dz0 dw0 */ \
__ASM_EMIT("movaps %" x3 ", %" x7) /* xmm7 = dy0 dz0 dx0 dw0 */ \
\
__ASM_EMIT("mulps %" x4 ", %" x0) /* xmm0 = dx0*dy1 dy0*dz1 dz0*dx1 dw0*dw1 */ \
__ASM_EMIT("mulps %" x1 ", %" x3) /* xmm3 = dy0*dx1 dz0*dy1 dx0*dz1 dw0*dw1 */ \
__ASM_EMIT("mulps %" x5 ", %" x1) /* xmm1 = dx1*dy2 dy1*dz2 dz1*dx2 dw1*dw2 */ \
__ASM_EMIT("mulps %" x2 ", %" x4) /* xmm4 = dy1*dx2 dz1*dy2 dx1*dz2 dw1*dw2 */ \
__ASM_EMIT("mulps %" x7 ", %" x2) /* xmm2 = dx2*dy0 dy2*dz0 dz2*dx0 dw2*dw0 */ \
__ASM_EMIT("mulps %" x6 ", %" x5) /* xmm5 = dy2*dx0 dz2*dy0 dx2*dz0 dw2*dw0 */ \
__ASM_EMIT("subps %" x3 ", %" x0) /* xmm0 = nz0 nx0 ny0 nw0 */ \
__ASM_EMIT("subps %" x4 ", %" x1) /* xmm1 = nz1 nx1 ny1 nw1 */ \
__ASM_EMIT("subps %" x5 ", %" x2) /* xmm2 = nz2 nx2 ny2 nw2 */
/* 3x scalar multiplication
* Input:
* x0 = vector1 [dx dy dz ? ]
* x1 = vector2 [dx dy dz ? ]
* x2 = vector3 [dx dy dz ? ]
*
* Output:
* x0 = vector1 * vector2 [ S0 ? ? ? ]
* x1 = vector2 * vector3 [ S1 ? ? ? ]
* x2 = vector3 * vector1 [ S2 ? ? ? ]
*/
#define SCALAR_MUL3(x0, x1, x2, x3) \
__ASM_EMIT("movaps %" x0 ", %" x3) \
__ASM_EMIT("dpps $0x71, %" x1 ", %" x0) /* xmm0 = dx0*dx1+dy0*dy1+dz0*dz1 */ \
__ASM_EMIT("dpps $0x71, %" x2 ", %" x1) /* xmm1 = dx0*dx1+dy0*dy1+dz0*dz1 */ \
__ASM_EMIT("dpps $0x71, %" x3 ", %" x2) /* xmm2 = dx0*dx1+dy0*dy1+dz0*dz1 */
/*
* Input:
* x0 = vector 1 = dx1 dy1 dz1 dw1
* x1 = vector 2 = dx2 dy2 dz2 dw2
*
* Output:
* x0 = dx1*dx2 + dy1*dy2 + dz1*dz2
*/
#define SCALAR_MUL(x0, x1, x2) \
__ASM_EMIT("dpps $0x71, %" x1 ", %" x0) /* xmm0 = dx1*dx2 + dy1*dy2 + dz1*dz2 */
/*
* Input:
* x0 = vector/point to normalize
* Output:
* x0 = normalized vector
*/
#define NORMALIZE(x0, x1, x2) \
__ASM_EMIT("movaps %" x0 ", %" x1) /* xmm1 = dx dy dz dw */ \
__ASM_EMIT("xorps %" x2 ", %" x2) /* xmm2 = 0 */ \
__ASM_EMIT("dpps $0x7f, %" x1 ", %" x1) /* xmm1 = dx*dx+dy*dy+dz*dz */ \
__ASM_EMIT("sqrtps %" x1", %" x1) /* xmm1 = sqrt(x*x + y*y + z*z) = w */ \
__ASM_EMIT("ucomiss %" x2 ", %" x1) /* xmm2 =?= xmm1 */ \
__ASM_EMIT("jle 1000000f") \
__ASM_EMIT("divps %" x1 ", %" x0) /* xmm0 = dx/w dy/w dz/w dw/w */ \
__ASM_EMIT("1000000:")
/*
* Input:
* x0 = vector/point to scale
* x1 = radius-vector to match length
*
* Output:
* x0 = scaled vector
*/
#define SCALE(x0, x1, x2, x3) \
__ASM_EMIT("movaps %" x0 ", %" x3) /* xmm3 = x y z w */ \
__ASM_EMIT("xorps %" x2 ", %" x2) /* xmm2 = 0 */ \
__ASM_EMIT("dpps $0x7f, %" x3 ", %" x3) /* xmm3 = dx*dx+dy*dy+dz*dz */ \
__ASM_EMIT("shufps $0x00, %" x1 ", %" x1) /* xmm1 = r r r r */ \
__ASM_EMIT("sqrtps %" x3", %" x3) /* xmm3 = sqrt(x*x + y*y + z*z) = W W W W */ \
__ASM_EMIT("ucomiss %" x2 ", %" x3) /* xmm3 =?= xmm2 */ \
__ASM_EMIT("jle 1000000f") \
__ASM_EMIT("divps %" x3 ", %" x0) /* xmm0 = r/W r/W r/W r/W */ \
__ASM_EMIT("mulps %" x1 ", %" x0) /* xmm0 = x*r/W y*r/W z*r/W w*r/W */ \
__ASM_EMIT("1000000:")
void normalize_point(point3d_t *p)
{
float x0, x1, x2;
ARCH_X86_ASM
(
__ASM_EMIT("movups (%[p]), %[x0]") // xmm0 = x y z w
NORMALIZE("[x0]", "[x1]", "[x2]")
__ASM_EMIT("andps %[zmask], %[x0]") // xmm0 = x y z 0
__ASM_EMIT("orps %[omask], %[x0]") // xmm0 = x y z 1
__ASM_EMIT("movups %[x0], (%[p])")
: [x0] "=&x" (x0), [x1] "=&x" (x1), [x2] "=&x" (x2)
: [p] "r" (p),
[zmask] "m" (X_MASK0111),
[omask] "m" (X_3DPOINT)
: "cc", "memory"
);
}
void scale_point1(point3d_t *p, float r)
{
float x0, x1, x2;
ARCH_X86_ASM
(
__ASM_EMIT("movups (%[p]), %[x0]") // xmm0 = x y z w
SCALE("[x0]", "[x3]", "[x1]", "[x2]")
__ASM_EMIT("andps %[zmask], %[x0]") // xmm0 = x y z 0
__ASM_EMIT("orps %[omask], %[x0]") // xmm0 = x y z 1
__ASM_EMIT("movups %[x0], (%[p])")
: [x0] "=&x" (x0), [x1] "=&x" (x1), [x2] "=&x" (x2), [x3] "+x" (r)
: [p] "r" (p),
[zmask] "m" (X_MASK0111),
[omask] "m" (X_3DPOINT)
: "cc", "memory"
);
}
void scale_point2(point3d_t *p, const point3d_t *s, float r)
{
float x0, x1, x2;
ARCH_X86_ASM
(
__ASM_EMIT("movups (%[s]), %[x0]") // xmm0 = x y z w
SCALE("[x0]", "[x3]", "[x1]", "[x2]")
__ASM_EMIT("andps %[zmask], %[x0]") // xmm0 = x y z 0
__ASM_EMIT("orps %[omask], %[x0]") // xmm0 = x y z 1
__ASM_EMIT("movups %[x0], (%[p])")
: [x0] "=&x" (x0), [x1] "=&x" (x1), [x2] "=&x" (x2), [x3] "+x" (r)
: [p] "r" (p), [s] "r" (s),
[zmask] "m" (X_MASK0111),
[omask] "m" (X_3DPOINT)
: "cc", "memory"
);
}
void normalize_vector(vector3d_t *v)
{
float x0, x1, x2;
ARCH_X86_ASM
(
__ASM_EMIT("movups (%[v]), %[x0]") // xmm0 = dx dy dz dw
NORMALIZE("[x0]", "[x1]", "[x2]")
__ASM_EMIT("movups %[x0], (%[v])")
: [x0] "=&x" (x0), [x1] "=&x" (x1), [x2] "=&x" (x2)
: [v] "r" (v)
: "cc", "memory"
);
}
void scale_vector1(vector3d_t *v, float r)
{
float x0, x1, x2;
ARCH_X86_ASM
(
__ASM_EMIT("movups (%[v]), %[x0]") // xmm0 = dx dy dz dw
SCALE("[x0]", "[x3]", "[x1]", "[x2]")
__ASM_EMIT("andps %[zmask], %[x0]")
__ASM_EMIT("movups %[x0], (%[v])")
: [x0] "=&x" (x0), [x1] "=&x" (x1), [x2] "=&x" (x2), [x3] "+x" (r)
: [v] "r" (v),
[zmask] "m" (X_MASK0111)
: "cc", "memory"
);
}
void scale_vector2(vector3d_t *v, const vector3d_t *s, float r)
{
float x0, x1, x2;
ARCH_X86_ASM
(
__ASM_EMIT("movups (%[s]), %[x0]") // xmm0 = dx dy dz dw
SCALE("[x0]", "[x3]", "[x1]", "[x2]")
__ASM_EMIT("andps %[zmask], %[x0]")
__ASM_EMIT("movups %[x0], (%[v])")
: [x0] "=&x" (x0), [x1] "=&x" (x1), [x2] "=&x" (x2), [x3] "+x" (r)
: [v] "r" (v), [s] "r" (s),
[zmask] "m" (X_MASK0111)
: "cc", "memory"
);
}
float check_point3d_on_triangle_tp(const triangle3d_t *t, const point3d_t *p)
{
float x0, x1, x2, x3, x4, x5, x6, x7;
ARCH_X86_ASM
(
/* Load vectors */
__ASM_EMIT("movups (%[p]), %[x3]") /* xmm3 = px py pz pw */
__ASM_EMIT("movups 0x00(%[t]), %[x0]") /* xmm0 = x0 y0 z0 w0 */
__ASM_EMIT("movups 0x10(%[t]), %[x1]") /* xmm1 = x1 y1 z1 w1 */
__ASM_EMIT("movups 0x20(%[t]), %[x2]") /* xmm2 = x2 y2 z2 w2 */
__ASM_EMIT("subps %[x3], %[x0]") /* xmm0 = dx0 dy0 dz0 dw0 */
__ASM_EMIT("subps %[x3], %[x1]") /* xmm1 = dx1 dy1 dz1 dw1 */
__ASM_EMIT("subps %[x3], %[x2]") /* xmm2 = dx2 dy2 dz2 dw2 */
/* 3x vector multiplications */
VECTOR_MUL3("[x0]", "[x1]", "[x2]", "[x3]", "[x4]", "[x5]", "[x6]", "[x7]")
/* 3x scalar multiplications */
SCALAR_MUL3("[x0]", "[x1]", "[x2]", "[x3]")
/* Compare with zeros */
__ASM_EMIT("xorps %[x4], %[x4]")
__ASM_EMIT("ucomiss %[x4], %[x0]")
__ASM_EMIT("jb 110f")
__ASM_EMIT("ucomiss %[x4], %[x1]")
__ASM_EMIT("jb 109f")
__ASM_EMIT("ucomiss %[x4], %[x2]")
__ASM_EMIT("jb 108f")
__ASM_EMIT("mulss %[x1], %[x0]")
__ASM_EMIT("mulss %[x2], %[x0]")
__ASM_EMIT("ucomiss %[x4], %[x0]")
__ASM_EMIT("jne 110f")
/* There is somewhere zero, need additional check */
/* Load vectors */
__ASM_EMIT("movups (%[p]), %[x3]") /* xmm3 = px py pz pw */
__ASM_EMIT("movups 0x00(%[t]), %[x0]") /* xmm0 = x0 y0 z0 w0 */
__ASM_EMIT("movups 0x10(%[t]), %[x1]") /* xmm1 = x1 y1 z1 w1 */
__ASM_EMIT("movups 0x20(%[t]), %[x2]") /* xmm2 = x2 y2 z2 w2 */
__ASM_EMIT("subps %[x3], %[x0]") /* xmm0 = dx0 dy0 dz0 dw0 */
__ASM_EMIT("subps %[x3], %[x1]") /* xmm1 = dx1 dy1 dz1 dw1 */
__ASM_EMIT("subps %[x3], %[x2]") /* xmm2 = dx2 dy2 dz2 dw2 */
/* Do 3x scalar multiplications */
SCALAR_MUL3("[x0]", "[x1]", "[x2]", "[x3]")
__ASM_EMIT("mulss %[x1], %[x0]")
__ASM_EMIT("mulss %[x2], %[x0]")
__ASM_EMIT("jmp 110f")
__ASM_EMIT("108:")
__ASM_EMIT("movss %[x2], %[x0]")
__ASM_EMIT("jmp 110f")
__ASM_EMIT("109:")
__ASM_EMIT("movss %[x1], %[x0]")
__ASM_EMIT("110:")
: [x0] "=&x" (x0), [x1] "=&x" (x1), [x2] "=&x" (x2), [x3] "=&x" (x3),
[x4] "=&x" (x4), [x5] "=&x" (x5), [x6] "=&x" (x6), [x7] "=&x" (x7)
: [p] "r" (p), [t] "r" (t)
);
return x0;
}
float check_point3d_on_triangle_pvp(const point3d_t *pv, const point3d_t *p)
{
float x0, x1, x2, x3, x4, x5, x6, x7;
ARCH_X86_ASM
(
/* Load vectors */
__ASM_EMIT("movups (%[p]), %[x3]") /* xmm3 = px py pz pw */
__ASM_EMIT("movups 0x00(%[pv]), %[x0]") /* xmm0 = x0 y0 z0 w0 */
__ASM_EMIT("movups 0x10(%[pv]), %[x1]") /* xmm1 = x1 y1 z1 w1 */
__ASM_EMIT("movups 0x20(%[pv]), %[x2]") /* xmm2 = x2 y2 z2 w2 */
__ASM_EMIT("subps %[x3], %[x0]") /* xmm0 = dx0 dy0 dz0 dw0 */
__ASM_EMIT("subps %[x3], %[x1]") /* xmm1 = dx1 dy1 dz1 dw1 */
__ASM_EMIT("subps %[x3], %[x2]") /* xmm2 = dx2 dy2 dz2 dw2 */
/* 3x vector multiplications */
VECTOR_MUL3("[x0]", "[x1]", "[x2]", "[x3]", "[x4]", "[x5]", "[x6]", "[x7]")
/* 3x scalar multiplications */
SCALAR_MUL3("[x0]", "[x1]", "[x2]", "[x3]")
/* Compare with zeros */
__ASM_EMIT("xorps %[x4], %[x4]")
__ASM_EMIT("ucomiss %[x4], %[x0]")
__ASM_EMIT("jb 110f")
__ASM_EMIT("ucomiss %[x4], %[x1]")
__ASM_EMIT("jb 109f")
__ASM_EMIT("ucomiss %[x4], %[x2]")
__ASM_EMIT("jb 108f")
__ASM_EMIT("mulss %[x1], %[x0]")
__ASM_EMIT("mulss %[x2], %[x0]")
__ASM_EMIT("ucomiss %[x4], %[x0]")
__ASM_EMIT("jne 110f")
/* There is somewhere zero, need additional check */
/* Load vectors */
__ASM_EMIT("movups (%[p]), %[x3]") /* xmm3 = px py pz pw */
__ASM_EMIT("movups 0x00(%[pv]), %[x0]") /* xmm0 = x0 y0 z0 w0 */
__ASM_EMIT("movups 0x10(%[pv]), %[x1]") /* xmm1 = x1 y1 z1 w1 */
__ASM_EMIT("movups 0x20(%[pv]), %[x2]") /* xmm2 = x2 y2 z2 w2 */
__ASM_EMIT("subps %[x3], %[x0]") /* xmm0 = dx0 dy0 dz0 dw0 */
__ASM_EMIT("subps %[x3], %[x1]") /* xmm1 = dx1 dy1 dz1 dw1 */
__ASM_EMIT("subps %[x3], %[x2]") /* xmm2 = dx2 dy2 dz2 dw2 */
/* Do 3x scalar multiplications */
SCALAR_MUL3("[x0]", "[x1]", "[x2]", "[x3]")
__ASM_EMIT("mulss %[x1], %[x0]")
__ASM_EMIT("mulss %[x2], %[x0]")
__ASM_EMIT("jmp 110f")
__ASM_EMIT("108:")
__ASM_EMIT("movss %[x2], %[x0]")
__ASM_EMIT("jmp 110f")
__ASM_EMIT("109:")
__ASM_EMIT("movss %[x1], %[x0]")
__ASM_EMIT("110:")
: [x0] "=&x" (x0), [x1] "=&x" (x1), [x2] "=&x" (x2), [x3] "=&x" (x3),
[x4] "=&x" (x4), [x5] "=&x" (x5), [x6] "=&x" (x6), [x7] "=&x" (x7)
: [pv] "r" (pv), [p] "r" (p)
);
return x0;
}
float check_point3d_on_triangle_p3p(const point3d_t *p1, const point3d_t *p2, const point3d_t *p3, const point3d_t *p)
{
float x0, x1, x2, x3, x4, x5, x6, x7;
ARCH_X86_ASM
(
/* Load vectors */
__ASM_EMIT("movups (%[p]), %[x3]") /* xmm3 = px py pz pw */
__ASM_EMIT("movups (%[p1]), %[x0]") /* xmm0 = x0 y0 z0 w0 */
__ASM_EMIT("movups (%[p2]), %[x1]") /* xmm1 = x1 y1 z1 w1 */
__ASM_EMIT("movups (%[p3]), %[x2]") /* xmm2 = x2 y2 z2 w2 */
__ASM_EMIT("subps %[x3], %[x0]") /* xmm0 = dx0 dy0 dz0 dw0 */
__ASM_EMIT("subps %[x3], %[x1]") /* xmm1 = dx1 dy1 dz1 dw1 */
__ASM_EMIT("subps %[x3], %[x2]") /* xmm2 = dx2 dy2 dz2 dw2 */
/* 3x vector multiplications */
VECTOR_MUL3("[x0]", "[x1]", "[x2]", "[x3]", "[x4]", "[x5]", "[x6]", "[x7]")
/* 3x scalar multiplications */
SCALAR_MUL3("[x0]", "[x1]", "[x2]", "[x3]")
/* Compare with zeros */
__ASM_EMIT("xorps %[x4], %[x4]")
__ASM_EMIT("ucomiss %[x4], %[x0]")
__ASM_EMIT("jb 110f")
__ASM_EMIT("ucomiss %[x4], %[x1]")
__ASM_EMIT("jb 109f")
__ASM_EMIT("ucomiss %[x4], %[x2]")
__ASM_EMIT("jb 108f")
__ASM_EMIT("mulss %[x1], %[x0]")
__ASM_EMIT("mulss %[x2], %[x0]")
__ASM_EMIT("ucomiss %[x4], %[x0]")
__ASM_EMIT("jne 110f")
/* There is somewhere zero, need additional check */
/* Load vectors */
__ASM_EMIT("movups (%[p]), %[x3]") /* xmm3 = px py pz pw */
__ASM_EMIT("movups (%[p1]), %[x0]") /* xmm0 = x0 y0 z0 w0 */
__ASM_EMIT("movups (%[p2]), %[x1]") /* xmm1 = x1 y1 z1 w1 */
__ASM_EMIT("movups (%[p3]), %[x2]") /* xmm2 = x2 y2 z2 w2 */
__ASM_EMIT("subps %[x3], %[x0]") /* xmm0 = dx0 dy0 dz0 dw0 */
__ASM_EMIT("subps %[x3], %[x1]") /* xmm1 = dx1 dy1 dz1 dw1 */
__ASM_EMIT("subps %[x3], %[x2]") /* xmm2 = dx2 dy2 dz2 dw2 */
/* Do 3x scalar multiplications */
SCALAR_MUL3("[x0]", "[x1]", "[x2]", "[x3]")
__ASM_EMIT("mulss %[x1], %[x0]")
__ASM_EMIT("mulss %[x2], %[x0]")
__ASM_EMIT("jmp 110f")
__ASM_EMIT("108:")
__ASM_EMIT("movss %[x2], %[x0]")
__ASM_EMIT("jmp 110f")
__ASM_EMIT("109:")
__ASM_EMIT("movss %[x1], %[x0]")
__ASM_EMIT("110:")
: [x0] "=&x" (x0), [x1] "=&x" (x1), [x2] "=&x" (x2), [x3] "=&x" (x3),
[x4] "=&x" (x4), [x5] "=&x" (x5), [x6] "=&x" (x6), [x7] "=&x" (x7)
: [p1] "r" (p1), [p2] "r" (p2), [p3] "r" (p3), [p] "r" (p)
);
return x0;
}
size_t colocation_v1p3(const vector3d_t *pl, const point3d_t *p0, const point3d_t *p1, const point3d_t *p2)
{
float x0, x1, x2, x3, x4;
float res[4] __lsp_aligned16;
ARCH_X86_ASM
(
__ASM_EMIT("movups (%[pl]), %[x3]") /* xmm3 = pl */
__ASM_EMIT("movups (%[p0]), %[x0]") /* xmm0 = p0 */
__ASM_EMIT("movups (%[p1]), %[x1]") /* xmm1 = p1 */
__ASM_EMIT("movups (%[p2]), %[x2]") /* xmm2 = p2 */
__ASM_EMIT("dpps $0xf1, %[x3], %[x0]") /* xmm0 = p0 * pl */
__ASM_EMIT("dpps $0xf2, %[x3], %[x1]") /* xmm1 = p1 * pl */
__ASM_EMIT("dpps $0xf4, %[x3], %[x2]") /* xmm2 = p2 * pl */
__ASM_EMIT("orps %[x1], %[x0]") /* xmm0 = k0 k1 0 0 */
__ASM_EMIT("orps %[x2], %[x0]") /* xmm0 = k0 k1 k2 0 */
__ASM_EMIT("movaps %[x0], %[x1]") /* xmm1 = k0 k1 k2 0 */
__ASM_EMIT("cmpps $2, %[PTOL], %[x0]") /* xmm0 = k0 <= +TOL k1 <= +TOL k2 <= +TOL ? */
__ASM_EMIT("cmpps $1, %[MTOL], %[x1]") /* xmm1 = k0 < -TOL k1 < -TOL k2 < -TOL ? */
__ASM_EMIT("andps %[IONE], %[x0]") /* xmm0 = 1*[k0 <= +TOL] 1*[k1 <= +TOL] 1*[k2 <= +TOL] ? */
__ASM_EMIT("andps %[IONE], %[x1]") /* xmm1 = 1*[k0 < -TOL] 1*[k1 < -TOL] 1*[k2 < -TOL] ? */
__ASM_EMIT("paddd %[x1], %[x0]")
__ASM_EMIT("movdqa %[x0], (%[res])")
__ASM_EMIT32("movl 0x00(%[res]), %[p0]")
__ASM_EMIT32("movl 0x04(%[res]), %[p1]")
__ASM_EMIT32("movl 0x08(%[res]), %[p2]")
__ASM_EMIT64("movl 0x00(%[res]), %k[p0]")
__ASM_EMIT64("movl 0x04(%[res]), %k[p1]")
__ASM_EMIT64("movl 0x08(%[res]), %k[p2]")
__ASM_EMIT("lea (%[p1], %[p2], 4), %[p1]")
__ASM_EMIT("lea (%[p0], %[p1], 4), %[p0]")
: [p0] "+r" (p0), [p1] "+r" (p1), [p2] "+r" (p2),
[x0] "=&x" (x0), [x1] "=&x" (x1), [x2] "=&x" (x2), [x3] "=&x" (x3),
[x4] "=&x" (x4)
: [pl] "r" (pl),
[res] "r" (res),
[PTOL] "m" (X_3D_TOLERANCE),
[MTOL] "m" (X_3D_MTOLERANCE),
[IONE] "m" (IONE)
: "cc"
);
return size_t(p0);
}
size_t colocation_v1pv(const vector3d_t *pl, const point3d_t *pv)
{
float x0, x1, x2, x3, x4;
float res[4] __lsp_aligned16;
size_t pt;
ARCH_X86_ASM
(
__ASM_EMIT("movups (%[pl]), %[x3]") /* xmm3 = pl */
__ASM_EMIT("movups 0x00(%[pv]), %[x0]") /* xmm0 = p0 */
__ASM_EMIT("movups 0x10(%[pv]), %[x1]") /* xmm1 = p1 */
__ASM_EMIT("movups 0x20(%[pv]), %[x2]") /* xmm2 = p2 */
__ASM_EMIT("dpps $0xf1, %[x3], %[x0]") /* xmm0 = p0 * pl */
__ASM_EMIT("dpps $0xf2, %[x3], %[x1]") /* xmm1 = p1 * pl */
__ASM_EMIT("dpps $0xf4, %[x3], %[x2]") /* xmm2 = p2 * pl */
__ASM_EMIT("orps %[x1], %[x0]") /* xmm0 = k0 k1 0 0 */
__ASM_EMIT("orps %[x2], %[x0]") /* xmm0 = k0 k1 k2 0 */
__ASM_EMIT("movaps %[x0], %[x1]") /* xmm1 = k0 k1 k2 0 */
__ASM_EMIT("cmpps $2, %[PTOL], %[x0]") /* xmm0 = k0 <= +TOL k1 <= +TOL k2 <= +TOL ? */
__ASM_EMIT("cmpps $1, %[MTOL], %[x1]") /* xmm1 = k0 < -TOL k1 < -TOL k2 < -TOL ? */
__ASM_EMIT("andps %[IONE], %[x0]") /* xmm0 = 1*[k0 <= +TOL] 1*[k1 <= +TOL] 1*[k2 <= +TOL] ? */
__ASM_EMIT("andps %[IONE], %[x1]") /* xmm1 = 1*[k0 < -TOL] 1*[k1 < -TOL] 1*[k2 < -TOL] ? */
__ASM_EMIT("paddd %[x1], %[x0]")
__ASM_EMIT("movdqa %[x0], (%[res])")
__ASM_EMIT32("movl 0x00(%[res]), %[pt]")
__ASM_EMIT32("movl 0x04(%[res]), %[pl]")
__ASM_EMIT32("movl 0x08(%[res]), %[pv]")
__ASM_EMIT64("movl 0x00(%[res]), %k[pt]")
__ASM_EMIT64("movl 0x04(%[res]), %k[pl]")
__ASM_EMIT64("movl 0x08(%[res]), %k[pv]")
__ASM_EMIT("lea (%[pl], %[pv], 4), %[pl]")
__ASM_EMIT("lea (%[pt], %[pl], 4), %[pt]")
: [pl] "+r" (pl), [pv] "+r" (pv), [pt] "=&r" (pt),
[x0] "=&x" (x0), [x1] "=&x" (x1), [x2] "=&x" (x2), [x3] "=&x" (x3),
[x4] "=&x" (x4)
: [res] "r" (res),
[PTOL] "m" (X_3D_TOLERANCE),
[MTOL] "m" (X_3D_MTOLERANCE),
[IONE] "m" (IONE)
: "cc"
);
return pt;
}
}
}
#endif /* PRIVATE_DSP_ARCH_X86_SSE4_3DMATH_H_ */
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