mirror of
https://github.com/dlang/phobos.git
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2301 lines
60 KiB
D
2301 lines
60 KiB
D
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/***************************
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* D programming language http://www.digitalmars.com/d/
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* Runtime support for byte array operations.
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* Based on code originally written by Burton Radons.
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* Placed in public domain.
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*/
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/* Contains SSE2 and MMX versions of certain operations for wchar, short,
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* and ushort ('u', 's' and 't' suffixes).
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*/
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import std.cpuid;
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version (Unittest)
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{
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/* This is so unit tests will test every CPU variant
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*/
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int cpuid;
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const int CPUID_MAX = 4;
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bool mmx() { return cpuid == 1 && std.cpuid.mmx(); }
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bool sse() { return cpuid == 2 && std.cpuid.sse(); }
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bool sse2() { return cpuid == 3 && std.cpuid.sse2(); }
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bool amd3dnow() { return cpuid == 4 && std.cpuid.amd3dnow(); }
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}
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else
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{
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alias std.cpuid.mmx mmx;
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alias std.cpuid.sse sse;
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alias std.cpuid.sse2 sse2;
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alias std.cpuid.sse2 sse2;
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}
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//version = log;
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bool disjoint(T)(T[] a, T[] b)
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{
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return (a.ptr + a.length <= b.ptr || b.ptr + b.length <= a.ptr);
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}
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alias short T;
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extern (C):
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/* ======================================================================== */
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/***********************
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* Computes:
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* a[] = b[] + value
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*/
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T[] _arraySliceExpAddSliceAssign_u(T[] a, T value, T[] b)
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{
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return _arraySliceExpAddSliceAssign_s(a, value, b);
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}
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T[] _arraySliceExpAddSliceAssign_t(T[] a, T value, T[] b)
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{
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return _arraySliceExpAddSliceAssign_s(a, value, b);
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}
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T[] _arraySliceExpAddSliceAssign_s(T[] a, T value, T[] b)
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in
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{
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assert(a.length == b.length);
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assert(disjoint(a, b));
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}
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body
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{
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//printf("_arraySliceExpAddSliceAssign_s()\n");
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auto aptr = a.ptr;
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auto aend = aptr + a.length;
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auto bptr = b.ptr;
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version (D_InlineAsm_X86)
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{
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// SSE2 aligned version is 3343% faster
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if (sse2() && a.length >= 16)
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{
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auto n = aptr + (a.length & ~15);
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uint l = cast(ushort) value;
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l |= (l << 16);
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if (((cast(uint) aptr | cast(uint) bptr) & 15) != 0)
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{
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asm // unaligned case
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{
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mov ESI, aptr;
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mov EDI, n;
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mov EAX, bptr;
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movd XMM2, l;
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pshufd XMM2, XMM2, 0;
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align 4;
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startaddsse2u:
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add ESI, 32;
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movdqu XMM0, [EAX];
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movdqu XMM1, [EAX+16];
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add EAX, 32;
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paddw XMM0, XMM2;
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paddw XMM1, XMM2;
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movdqu [ESI -32], XMM0;
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movdqu [ESI+16-32], XMM1;
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cmp ESI, EDI;
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jb startaddsse2u;
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mov aptr, ESI;
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mov bptr, EAX;
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}
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}
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else
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{
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asm // aligned case
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{
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mov ESI, aptr;
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mov EDI, n;
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mov EAX, bptr;
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movd XMM2, l;
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pshufd XMM2, XMM2, 0;
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align 4;
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startaddsse2a:
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add ESI, 32;
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movdqa XMM0, [EAX];
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movdqa XMM1, [EAX+16];
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add EAX, 32;
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paddw XMM0, XMM2;
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paddw XMM1, XMM2;
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movdqa [ESI -32], XMM0;
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movdqa [ESI+16-32], XMM1;
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cmp ESI, EDI;
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jb startaddsse2a;
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mov aptr, ESI;
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mov bptr, EAX;
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}
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}
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}
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else
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// MMX version is 3343% faster
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if (mmx() && a.length >= 8)
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{
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auto n = aptr + (a.length & ~7);
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uint l = cast(ushort) value;
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asm
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{
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mov ESI, aptr;
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mov EDI, n;
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mov EAX, bptr;
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movd MM2, l;
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pshufw MM2, MM2, 0;
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align 4;
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startmmx:
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add ESI, 16;
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movq MM0, [EAX];
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movq MM1, [EAX+8];
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add EAX, 16;
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paddw MM0, MM2;
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paddw MM1, MM2;
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movq [ESI -16], MM0;
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movq [ESI+8-16], MM1;
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cmp ESI, EDI;
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jb startmmx;
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emms;
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mov aptr, ESI;
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mov bptr, EAX;
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}
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}
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}
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while (aptr < aend)
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*aptr++ = cast(T)(*bptr++ + value);
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return a;
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}
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unittest
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{
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printf("_arraySliceExpAddSliceAssign_s unittest\n");
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for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
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{
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version (log) printf(" cpuid %d\n", cpuid);
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for (int j = 0; j < 2; j++)
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{
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const int dim = 67;
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T[] a = new T[dim + j]; // aligned on 16 byte boundary
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a = a[j .. dim + j]; // misalign for second iteration
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T[] b = new T[dim + j];
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b = b[j .. dim + j];
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T[] c = new T[dim + j];
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c = c[j .. dim + j];
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for (int i = 0; i < dim; i++)
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{ a[i] = cast(T)i;
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b[i] = cast(T)(i + 7);
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c[i] = cast(T)(i * 2);
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}
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c[] = a[] + 6;
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for (int i = 0; i < dim; i++)
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{
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if (c[i] != cast(T)(a[i] + 6))
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{
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printf("[%d]: %d != %d + 6\n", i, c[i], a[i]);
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assert(0);
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}
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}
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}
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}
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}
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/* ======================================================================== */
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/***********************
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* Computes:
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* a[] = b[] + c[]
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*/
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T[] _arraySliceSliceAddSliceAssign_u(T[] a, T[] c, T[] b)
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{
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return _arraySliceSliceAddSliceAssign_s(a, c, b);
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}
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T[] _arraySliceSliceAddSliceAssign_t(T[] a, T[] c, T[] b)
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{
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return _arraySliceSliceAddSliceAssign_s(a, c, b);
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}
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T[] _arraySliceSliceAddSliceAssign_s(T[] a, T[] c, T[] b)
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in
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{
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assert(a.length == b.length && b.length == c.length);
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assert(disjoint(a, b));
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assert(disjoint(a, c));
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assert(disjoint(b, c));
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}
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body
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{
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//printf("_arraySliceSliceAddSliceAssign_s()\n");
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auto aptr = a.ptr;
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auto aend = aptr + a.length;
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auto bptr = b.ptr;
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auto cptr = c.ptr;
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version (D_InlineAsm_X86)
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{
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// SSE2 aligned version is 3777% faster
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if (sse2() && a.length >= 16)
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{
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auto n = aptr + (a.length & ~15);
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if (((cast(uint) aptr | cast(uint) bptr | cast(uint) cptr) & 15) != 0)
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{
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asm // unaligned case
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{
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mov ESI, aptr;
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mov EDI, n;
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mov EAX, bptr;
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mov ECX, cptr;
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align 4;
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startsse2u:
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add ESI, 32;
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movdqu XMM0, [EAX];
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movdqu XMM1, [EAX+16];
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add EAX, 32;
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movdqu XMM2, [ECX];
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movdqu XMM3, [ECX+16];
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add ECX, 32;
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paddw XMM0, XMM2;
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paddw XMM1, XMM3;
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movdqu [ESI -32], XMM0;
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movdqu [ESI+16-32], XMM1;
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cmp ESI, EDI;
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jb startsse2u;
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mov aptr, ESI;
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mov bptr, EAX;
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mov cptr, ECX;
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}
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}
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else
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{
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asm // aligned case
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{
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mov ESI, aptr;
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mov EDI, n;
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mov EAX, bptr;
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mov ECX, cptr;
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align 4;
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startsse2a:
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add ESI, 32;
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movdqa XMM0, [EAX];
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movdqa XMM1, [EAX+16];
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add EAX, 32;
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movdqa XMM2, [ECX];
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movdqa XMM3, [ECX+16];
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add ECX, 32;
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paddw XMM0, XMM2;
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paddw XMM1, XMM3;
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movdqa [ESI -32], XMM0;
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movdqa [ESI+16-32], XMM1;
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cmp ESI, EDI;
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jb startsse2a;
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mov aptr, ESI;
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mov bptr, EAX;
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mov cptr, ECX;
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}
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}
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}
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else
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// MMX version is 2068% faster
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if (mmx() && a.length >= 8)
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{
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auto n = aptr + (a.length & ~7);
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asm
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{
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mov ESI, aptr;
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mov EDI, n;
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mov EAX, bptr;
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mov ECX, cptr;
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align 4;
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startmmx:
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add ESI, 16;
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movq MM0, [EAX];
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movq MM1, [EAX+8];
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add EAX, 16;
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movq MM2, [ECX];
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movq MM3, [ECX+8];
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add ECX, 16;
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paddw MM0, MM2;
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paddw MM1, MM3;
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movq [ESI -16], MM0;
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movq [ESI+8-16], MM1;
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cmp ESI, EDI;
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jb startmmx;
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emms;
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mov aptr, ESI;
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mov bptr, EAX;
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mov cptr, ECX;
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}
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}
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}
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while (aptr < aend)
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*aptr++ = cast(T)(*bptr++ + *cptr++);
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return a;
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}
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unittest
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{
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printf("_arraySliceSliceAddSliceAssign_s unittest\n");
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for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
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{
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version (log) printf(" cpuid %d\n", cpuid);
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for (int j = 0; j < 2; j++)
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{
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const int dim = 67;
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T[] a = new T[dim + j]; // aligned on 16 byte boundary
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a = a[j .. dim + j]; // misalign for second iteration
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T[] b = new T[dim + j];
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b = b[j .. dim + j];
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T[] c = new T[dim + j];
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c = c[j .. dim + j];
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for (int i = 0; i < dim; i++)
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{ a[i] = cast(T)i;
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b[i] = cast(T)(i + 7);
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c[i] = cast(T)(i * 2);
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}
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c[] = a[] + b[];
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for (int i = 0; i < dim; i++)
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{
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if (c[i] != cast(T)(a[i] + b[i]))
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{
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printf("[%d]: %d != %d + %d\n", i, c[i], a[i], b[i]);
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assert(0);
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}
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}
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}
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}
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}
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/* ======================================================================== */
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/***********************
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* Computes:
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* a[] += value
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*/
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T[] _arrayExpSliceAddass_u(T[] a, T value)
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{
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return _arrayExpSliceAddass_s(a, value);
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}
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T[] _arrayExpSliceAddass_t(T[] a, T value)
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{
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return _arrayExpSliceAddass_s(a, value);
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}
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T[] _arrayExpSliceAddass_s(T[] a, T value)
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{
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//printf("_arrayExpSliceAddass_s(a.length = %d, value = %Lg)\n", a.length, cast(real)value);
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auto aptr = a.ptr;
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auto aend = aptr + a.length;
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version (D_InlineAsm_X86)
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{
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// SSE2 aligned version is 832% faster
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if (sse2() && a.length >= 16)
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{
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auto n = aptr + (a.length & ~15);
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uint l = cast(ushort) value;
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l |= (l << 16);
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if (((cast(uint) aptr) & 15) != 0)
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{
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asm // unaligned case
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{
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mov ESI, aptr;
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mov EDI, n;
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movd XMM2, l;
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pshufd XMM2, XMM2, 0;
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align 4;
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startaddsse2u:
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movdqu XMM0, [ESI];
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movdqu XMM1, [ESI+16];
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add ESI, 32;
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paddw XMM0, XMM2;
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paddw XMM1, XMM2;
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movdqu [ESI -32], XMM0;
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movdqu [ESI+16-32], XMM1;
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cmp ESI, EDI;
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jb startaddsse2u;
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mov aptr, ESI;
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}
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}
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else
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{
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asm // aligned case
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{
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mov ESI, aptr;
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mov EDI, n;
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movd XMM2, l;
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pshufd XMM2, XMM2, 0;
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align 4;
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startaddsse2a:
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movdqa XMM0, [ESI];
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movdqa XMM1, [ESI+16];
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add ESI, 32;
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paddw XMM0, XMM2;
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paddw XMM1, XMM2;
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movdqa [ESI -32], XMM0;
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movdqa [ESI+16-32], XMM1;
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cmp ESI, EDI;
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jb startaddsse2a;
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mov aptr, ESI;
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}
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}
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}
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else
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// MMX version is 826% faster
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if (mmx() && a.length >= 8)
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{
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auto n = aptr + (a.length & ~7);
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uint l = cast(ushort) value;
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asm
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{
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mov ESI, aptr;
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mov EDI, n;
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movd MM2, l;
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pshufw MM2, MM2, 0;
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align 4;
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startmmx:
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movq MM0, [ESI];
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movq MM1, [ESI+8];
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add ESI, 16;
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paddw MM0, MM2;
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paddw MM1, MM2;
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movq [ESI -16], MM0;
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movq [ESI+8-16], MM1;
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cmp ESI, EDI;
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jb startmmx;
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emms;
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mov aptr, ESI;
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}
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}
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}
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while (aptr < aend)
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*aptr++ += value;
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return a;
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}
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unittest
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|
{
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printf("_arrayExpSliceAddass_s unittest\n");
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|
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for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
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{
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version (log) printf(" cpuid %d\n", cpuid);
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|
|
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for (int j = 0; j < 2; j++)
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{
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const int dim = 67;
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T[] a = new T[dim + j]; // aligned on 16 byte boundary
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a = a[j .. dim + j]; // misalign for second iteration
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T[] b = new T[dim + j];
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b = b[j .. dim + j];
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T[] c = new T[dim + j];
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c = c[j .. dim + j];
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for (int i = 0; i < dim; i++)
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{ a[i] = cast(T)i;
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b[i] = cast(T)(i + 7);
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c[i] = cast(T)(i * 2);
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}
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a[] = c[];
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a[] += 6;
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for (int i = 0; i < dim; i++)
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{
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if (a[i] != cast(T)(c[i] + 6))
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{
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printf("[%d]: %d != %d + 6\n", i, a[i], c[i]);
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assert(0);
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}
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}
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}
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}
|
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}
|
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|
|
|
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/* ======================================================================== */
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/***********************
|
|
* Computes:
|
|
* a[] += b[]
|
|
*/
|
|
|
|
T[] _arraySliceSliceAddass_u(T[] a, T[] b)
|
|
{
|
|
return _arraySliceSliceAddass_s(a, b);
|
|
}
|
|
|
|
T[] _arraySliceSliceAddass_t(T[] a, T[] b)
|
|
{
|
|
return _arraySliceSliceAddass_s(a, b);
|
|
}
|
|
|
|
T[] _arraySliceSliceAddass_s(T[] a, T[] b)
|
|
in
|
|
{
|
|
assert (a.length == b.length);
|
|
assert (disjoint(a, b));
|
|
}
|
|
body
|
|
{
|
|
//printf("_arraySliceSliceAddass_s()\n");
|
|
auto aptr = a.ptr;
|
|
auto aend = aptr + a.length;
|
|
auto bptr = b.ptr;
|
|
|
|
version (D_InlineAsm_X86)
|
|
{
|
|
// SSE2 aligned version is 2085% faster
|
|
if (sse2() && a.length >= 16)
|
|
{
|
|
auto n = aptr + (a.length & ~15);
|
|
|
|
if (((cast(uint) aptr | cast(uint) bptr) & 15) != 0)
|
|
{
|
|
asm // unaligned case
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov ECX, bptr;
|
|
|
|
align 4;
|
|
startsse2u:
|
|
movdqu XMM0, [ESI];
|
|
movdqu XMM1, [ESI+16];
|
|
add ESI, 32;
|
|
movdqu XMM2, [ECX];
|
|
movdqu XMM3, [ECX+16];
|
|
add ECX, 32;
|
|
paddw XMM0, XMM2;
|
|
paddw XMM1, XMM3;
|
|
movdqu [ESI -32], XMM0;
|
|
movdqu [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2u;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, ECX;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
asm // aligned case
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov ECX, bptr;
|
|
|
|
align 4;
|
|
startsse2a:
|
|
movdqa XMM0, [ESI];
|
|
movdqa XMM1, [ESI+16];
|
|
add ESI, 32;
|
|
movdqa XMM2, [ECX];
|
|
movdqa XMM3, [ECX+16];
|
|
add ECX, 32;
|
|
paddw XMM0, XMM2;
|
|
paddw XMM1, XMM3;
|
|
movdqa [ESI -32], XMM0;
|
|
movdqa [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2a;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, ECX;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
// MMX version is 1022% faster
|
|
if (mmx() && a.length >= 8)
|
|
{
|
|
auto n = aptr + (a.length & ~7);
|
|
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov ECX, bptr;
|
|
|
|
align 4;
|
|
start:
|
|
movq MM0, [ESI];
|
|
movq MM1, [ESI+8];
|
|
add ESI, 16;
|
|
movq MM2, [ECX];
|
|
movq MM3, [ECX+8];
|
|
add ECX, 16;
|
|
paddw MM0, MM2;
|
|
paddw MM1, MM3;
|
|
movq [ESI -16], MM0;
|
|
movq [ESI+8-16], MM1;
|
|
cmp ESI, EDI;
|
|
jb start;
|
|
|
|
emms;
|
|
mov aptr, ESI;
|
|
mov bptr, ECX;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (aptr < aend)
|
|
*aptr++ += *bptr++;
|
|
|
|
return a;
|
|
}
|
|
|
|
unittest
|
|
{
|
|
printf("_arraySliceSliceAddass_s unittest\n");
|
|
|
|
for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
|
|
{
|
|
version (log) printf(" cpuid %d\n", cpuid);
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
const int dim = 67;
|
|
T[] a = new T[dim + j]; // aligned on 16 byte boundary
|
|
a = a[j .. dim + j]; // misalign for second iteration
|
|
T[] b = new T[dim + j];
|
|
b = b[j .. dim + j];
|
|
T[] c = new T[dim + j];
|
|
c = c[j .. dim + j];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{ a[i] = cast(T)i;
|
|
b[i] = cast(T)(i + 7);
|
|
c[i] = cast(T)(i * 2);
|
|
}
|
|
|
|
b[] = c[];
|
|
c[] += a[];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{
|
|
if (c[i] != cast(T)(b[i] + a[i]))
|
|
{
|
|
printf("[%d]: %d != %d + %d\n", i, c[i], b[i], a[i]);
|
|
assert(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* ======================================================================== */
|
|
|
|
/***********************
|
|
* Computes:
|
|
* a[] = b[] - value
|
|
*/
|
|
|
|
T[] _arraySliceExpMinSliceAssign_u(T[] a, T value, T[] b)
|
|
{
|
|
return _arraySliceExpMinSliceAssign_s(a, value, b);
|
|
}
|
|
|
|
T[] _arraySliceExpMinSliceAssign_t(T[] a, T value, T[] b)
|
|
{
|
|
return _arraySliceExpMinSliceAssign_s(a, value, b);
|
|
}
|
|
|
|
T[] _arraySliceExpMinSliceAssign_s(T[] a, T value, T[] b)
|
|
in
|
|
{
|
|
assert(a.length == b.length);
|
|
assert(disjoint(a, b));
|
|
}
|
|
body
|
|
{
|
|
//printf("_arraySliceExpMinSliceAssign_s()\n");
|
|
auto aptr = a.ptr;
|
|
auto aend = aptr + a.length;
|
|
auto bptr = b.ptr;
|
|
|
|
version (D_InlineAsm_X86)
|
|
{
|
|
// SSE2 aligned version is 3695% faster
|
|
if (sse2() && a.length >= 16)
|
|
{
|
|
auto n = aptr + (a.length & ~15);
|
|
|
|
uint l = cast(ushort) value;
|
|
l |= (l << 16);
|
|
|
|
if (((cast(uint) aptr | cast(uint) bptr) & 15) != 0)
|
|
{
|
|
asm // unaligned case
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
movd XMM2, l;
|
|
pshufd XMM2, XMM2, 0;
|
|
|
|
align 4;
|
|
startaddsse2u:
|
|
add ESI, 32;
|
|
movdqu XMM0, [EAX];
|
|
movdqu XMM1, [EAX+16];
|
|
add EAX, 32;
|
|
psubw XMM0, XMM2;
|
|
psubw XMM1, XMM2;
|
|
movdqu [ESI -32], XMM0;
|
|
movdqu [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startaddsse2u;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
asm // aligned case
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
movd XMM2, l;
|
|
pshufd XMM2, XMM2, 0;
|
|
|
|
align 4;
|
|
startaddsse2a:
|
|
add ESI, 32;
|
|
movdqa XMM0, [EAX];
|
|
movdqa XMM1, [EAX+16];
|
|
add EAX, 32;
|
|
psubw XMM0, XMM2;
|
|
psubw XMM1, XMM2;
|
|
movdqa [ESI -32], XMM0;
|
|
movdqa [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startaddsse2a;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
// MMX version is 3049% faster
|
|
if (mmx() && a.length >= 8)
|
|
{
|
|
auto n = aptr + (a.length & ~7);
|
|
|
|
uint l = cast(ushort) value;
|
|
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
movd MM2, l;
|
|
pshufw MM2, MM2, 0;
|
|
|
|
align 4;
|
|
startmmx:
|
|
add ESI, 16;
|
|
movq MM0, [EAX];
|
|
movq MM1, [EAX+8];
|
|
add EAX, 16;
|
|
psubw MM0, MM2;
|
|
psubw MM1, MM2;
|
|
movq [ESI -16], MM0;
|
|
movq [ESI+8-16], MM1;
|
|
cmp ESI, EDI;
|
|
jb startmmx;
|
|
|
|
emms;
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (aptr < aend)
|
|
*aptr++ = cast(T)(*bptr++ - value);
|
|
|
|
return a;
|
|
}
|
|
|
|
unittest
|
|
{
|
|
printf("_arraySliceExpMinSliceAssign_s unittest\n");
|
|
|
|
for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
|
|
{
|
|
version (log) printf(" cpuid %d\n", cpuid);
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
const int dim = 67;
|
|
T[] a = new T[dim + j]; // aligned on 16 byte boundary
|
|
a = a[j .. dim + j]; // misalign for second iteration
|
|
T[] b = new T[dim + j];
|
|
b = b[j .. dim + j];
|
|
T[] c = new T[dim + j];
|
|
c = c[j .. dim + j];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{ a[i] = cast(T)i;
|
|
b[i] = cast(T)(i + 7);
|
|
c[i] = cast(T)(i * 2);
|
|
}
|
|
|
|
c[] = a[] - 6;
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{
|
|
if (c[i] != cast(T)(a[i] - 6))
|
|
{
|
|
printf("[%d]: %d != %d - 6\n", i, c[i], a[i]);
|
|
assert(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* ======================================================================== */
|
|
|
|
/***********************
|
|
* Computes:
|
|
* a[] = value - b[]
|
|
*/
|
|
|
|
T[] _arrayExpSliceMinSliceAssign_u(T[] a, T[] b, T value)
|
|
{
|
|
return _arrayExpSliceMinSliceAssign_s(a, b, value);
|
|
}
|
|
|
|
T[] _arrayExpSliceMinSliceAssign_t(T[] a, T[] b, T value)
|
|
{
|
|
return _arrayExpSliceMinSliceAssign_s(a, b, value);
|
|
}
|
|
|
|
T[] _arrayExpSliceMinSliceAssign_s(T[] a, T[] b, T value)
|
|
in
|
|
{
|
|
assert(a.length == b.length);
|
|
assert(disjoint(a, b));
|
|
}
|
|
body
|
|
{
|
|
//printf("_arrayExpSliceMinSliceAssign_s()\n");
|
|
auto aptr = a.ptr;
|
|
auto aend = aptr + a.length;
|
|
auto bptr = b.ptr;
|
|
|
|
version (D_InlineAsm_X86)
|
|
{
|
|
// SSE2 aligned version is 4995% faster
|
|
if (sse2() && a.length >= 16)
|
|
{
|
|
auto n = aptr + (a.length & ~15);
|
|
|
|
uint l = cast(ushort) value;
|
|
l |= (l << 16);
|
|
|
|
if (((cast(uint) aptr | cast(uint) bptr) & 15) != 0)
|
|
{
|
|
asm // unaligned case
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
|
|
align 4;
|
|
startaddsse2u:
|
|
movd XMM2, l;
|
|
pshufd XMM2, XMM2, 0;
|
|
movd XMM3, l;
|
|
pshufd XMM3, XMM3, 0;
|
|
add ESI, 32;
|
|
movdqu XMM0, [EAX];
|
|
movdqu XMM1, [EAX+16];
|
|
add EAX, 32;
|
|
psubw XMM2, XMM0;
|
|
psubw XMM3, XMM1;
|
|
movdqu [ESI -32], XMM2;
|
|
movdqu [ESI+16-32], XMM3;
|
|
cmp ESI, EDI;
|
|
jb startaddsse2u;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
asm // aligned case
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
|
|
align 4;
|
|
startaddsse2a:
|
|
movd XMM2, l;
|
|
pshufd XMM2, XMM2, 0;
|
|
movd XMM3, l;
|
|
pshufd XMM3, XMM3, 0;
|
|
add ESI, 32;
|
|
movdqa XMM0, [EAX];
|
|
movdqa XMM1, [EAX+16];
|
|
add EAX, 32;
|
|
psubw XMM2, XMM0;
|
|
psubw XMM3, XMM1;
|
|
movdqa [ESI -32], XMM2;
|
|
movdqa [ESI+16-32], XMM3;
|
|
cmp ESI, EDI;
|
|
jb startaddsse2a;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
// MMX version is 4562% faster
|
|
if (mmx() && a.length >= 8)
|
|
{
|
|
auto n = aptr + (a.length & ~7);
|
|
|
|
uint l = cast(ushort) value;
|
|
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
movd MM4, l;
|
|
pshufw MM4, MM4, 0;
|
|
|
|
align 4;
|
|
startmmx:
|
|
add ESI, 16;
|
|
movq MM2, [EAX];
|
|
movq MM3, [EAX+8];
|
|
movq MM0, MM4;
|
|
movq MM1, MM4;
|
|
add EAX, 16;
|
|
psubw MM0, MM2;
|
|
psubw MM1, MM3;
|
|
movq [ESI -16], MM0;
|
|
movq [ESI+8-16], MM1;
|
|
cmp ESI, EDI;
|
|
jb startmmx;
|
|
|
|
emms;
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (aptr < aend)
|
|
*aptr++ = cast(T)(value - *bptr++);
|
|
|
|
return a;
|
|
}
|
|
|
|
unittest
|
|
{
|
|
printf("_arrayExpSliceMinSliceAssign_s unittest\n");
|
|
|
|
for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
|
|
{
|
|
version (log) printf(" cpuid %d\n", cpuid);
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
const int dim = 67;
|
|
T[] a = new T[dim + j]; // aligned on 16 byte boundary
|
|
a = a[j .. dim + j]; // misalign for second iteration
|
|
T[] b = new T[dim + j];
|
|
b = b[j .. dim + j];
|
|
T[] c = new T[dim + j];
|
|
c = c[j .. dim + j];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{ a[i] = cast(T)i;
|
|
b[i] = cast(T)(i + 7);
|
|
c[i] = cast(T)(i * 2);
|
|
}
|
|
|
|
c[] = 6 - a[];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{
|
|
if (c[i] != cast(T)(6 - a[i]))
|
|
{
|
|
printf("[%d]: %d != 6 - %d\n", i, c[i], a[i]);
|
|
assert(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* ======================================================================== */
|
|
|
|
/***********************
|
|
* Computes:
|
|
* a[] = b[] - c[]
|
|
*/
|
|
|
|
T[] _arraySliceSliceMinSliceAssign_u(T[] a, T[] c, T[] b)
|
|
{
|
|
return _arraySliceSliceMinSliceAssign_s(a, c, b);
|
|
}
|
|
|
|
T[] _arraySliceSliceMinSliceAssign_t(T[] a, T[] c, T[] b)
|
|
{
|
|
return _arraySliceSliceMinSliceAssign_s(a, c, b);
|
|
}
|
|
|
|
T[] _arraySliceSliceMinSliceAssign_s(T[] a, T[] c, T[] b)
|
|
in
|
|
{
|
|
assert(a.length == b.length && b.length == c.length);
|
|
assert(disjoint(a, b));
|
|
assert(disjoint(a, c));
|
|
assert(disjoint(b, c));
|
|
}
|
|
body
|
|
{
|
|
auto aptr = a.ptr;
|
|
auto aend = aptr + a.length;
|
|
auto bptr = b.ptr;
|
|
auto cptr = c.ptr;
|
|
|
|
version (D_InlineAsm_X86)
|
|
{
|
|
// SSE2 aligned version is 4129% faster
|
|
if (sse2() && a.length >= 16)
|
|
{
|
|
auto n = aptr + (a.length & ~15);
|
|
|
|
if (((cast(uint) aptr | cast(uint) bptr | cast(uint) cptr) & 15) != 0)
|
|
{
|
|
asm // unaligned case
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
mov ECX, cptr;
|
|
|
|
align 4;
|
|
startsse2u:
|
|
add ESI, 32;
|
|
movdqu XMM0, [EAX];
|
|
movdqu XMM1, [EAX+16];
|
|
add EAX, 32;
|
|
movdqu XMM2, [ECX];
|
|
movdqu XMM3, [ECX+16];
|
|
add ECX, 32;
|
|
psubw XMM0, XMM2;
|
|
psubw XMM1, XMM3;
|
|
movdqu [ESI -32], XMM0;
|
|
movdqu [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2u;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
mov cptr, ECX;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
asm // aligned case
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
mov ECX, cptr;
|
|
|
|
align 4;
|
|
startsse2a:
|
|
add ESI, 32;
|
|
movdqa XMM0, [EAX];
|
|
movdqa XMM1, [EAX+16];
|
|
add EAX, 32;
|
|
movdqa XMM2, [ECX];
|
|
movdqa XMM3, [ECX+16];
|
|
add ECX, 32;
|
|
psubw XMM0, XMM2;
|
|
psubw XMM1, XMM3;
|
|
movdqa [ESI -32], XMM0;
|
|
movdqa [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2a;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
mov cptr, ECX;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
// MMX version is 2018% faster
|
|
if (mmx() && a.length >= 8)
|
|
{
|
|
auto n = aptr + (a.length & ~7);
|
|
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
mov ECX, cptr;
|
|
|
|
align 4;
|
|
startmmx:
|
|
add ESI, 16;
|
|
movq MM0, [EAX];
|
|
movq MM1, [EAX+8];
|
|
add EAX, 16;
|
|
movq MM2, [ECX];
|
|
movq MM3, [ECX+8];
|
|
add ECX, 16;
|
|
psubw MM0, MM2;
|
|
psubw MM1, MM3;
|
|
movq [ESI -16], MM0;
|
|
movq [ESI+8-16], MM1;
|
|
cmp ESI, EDI;
|
|
jb startmmx;
|
|
|
|
emms;
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
mov cptr, ECX;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (aptr < aend)
|
|
*aptr++ = cast(T)(*bptr++ - *cptr++);
|
|
|
|
return a;
|
|
}
|
|
|
|
unittest
|
|
{
|
|
printf("_arraySliceSliceMinSliceAssign_s unittest\n");
|
|
|
|
for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
|
|
{
|
|
version (log) printf(" cpuid %d\n", cpuid);
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
const int dim = 67;
|
|
T[] a = new T[dim + j]; // aligned on 16 byte boundary
|
|
a = a[j .. dim + j]; // misalign for second iteration
|
|
T[] b = new T[dim + j];
|
|
b = b[j .. dim + j];
|
|
T[] c = new T[dim + j];
|
|
c = c[j .. dim + j];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{ a[i] = cast(T)i;
|
|
b[i] = cast(T)(i + 7);
|
|
c[i] = cast(T)(i * 2);
|
|
}
|
|
|
|
c[] = a[] - b[];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{
|
|
if (c[i] != cast(T)(a[i] - b[i]))
|
|
{
|
|
printf("[%d]: %d != %d - %d\n", i, c[i], a[i], b[i]);
|
|
assert(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* ======================================================================== */
|
|
|
|
/***********************
|
|
* Computes:
|
|
* a[] -= value
|
|
*/
|
|
|
|
T[] _arrayExpSliceMinass_u(T[] a, T value)
|
|
{
|
|
return _arrayExpSliceMinass_s(a, value);
|
|
}
|
|
|
|
T[] _arrayExpSliceMinass_t(T[] a, T value)
|
|
{
|
|
return _arrayExpSliceMinass_s(a, value);
|
|
}
|
|
|
|
T[] _arrayExpSliceMinass_s(T[] a, T value)
|
|
{
|
|
//printf("_arrayExpSliceMinass_s(a.length = %d, value = %Lg)\n", a.length, cast(real)value);
|
|
auto aptr = a.ptr;
|
|
auto aend = aptr + a.length;
|
|
|
|
version (D_InlineAsm_X86)
|
|
{
|
|
// SSE2 aligned version is 835% faster
|
|
if (sse2() && a.length >= 16)
|
|
{
|
|
auto n = aptr + (a.length & ~15);
|
|
|
|
uint l = cast(ushort) value;
|
|
l |= (l << 16);
|
|
|
|
if (((cast(uint) aptr) & 15) != 0)
|
|
{
|
|
asm // unaligned case
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
movd XMM2, l;
|
|
pshufd XMM2, XMM2, 0;
|
|
|
|
align 4;
|
|
startaddsse2u:
|
|
movdqu XMM0, [ESI];
|
|
movdqu XMM1, [ESI+16];
|
|
add ESI, 32;
|
|
psubw XMM0, XMM2;
|
|
psubw XMM1, XMM2;
|
|
movdqu [ESI -32], XMM0;
|
|
movdqu [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startaddsse2u;
|
|
|
|
mov aptr, ESI;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
asm // aligned case
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
movd XMM2, l;
|
|
pshufd XMM2, XMM2, 0;
|
|
|
|
align 4;
|
|
startaddsse2a:
|
|
movdqa XMM0, [ESI];
|
|
movdqa XMM1, [ESI+16];
|
|
add ESI, 32;
|
|
psubw XMM0, XMM2;
|
|
psubw XMM1, XMM2;
|
|
movdqa [ESI -32], XMM0;
|
|
movdqa [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startaddsse2a;
|
|
|
|
mov aptr, ESI;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
// MMX version is 835% faster
|
|
if (mmx() && a.length >= 8)
|
|
{
|
|
auto n = aptr + (a.length & ~7);
|
|
|
|
uint l = cast(ushort) value;
|
|
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
movd MM2, l;
|
|
pshufw MM2, MM2, 0;
|
|
|
|
align 4;
|
|
startmmx:
|
|
movq MM0, [ESI];
|
|
movq MM1, [ESI+8];
|
|
add ESI, 16;
|
|
psubw MM0, MM2;
|
|
psubw MM1, MM2;
|
|
movq [ESI -16], MM0;
|
|
movq [ESI+8-16], MM1;
|
|
cmp ESI, EDI;
|
|
jb startmmx;
|
|
|
|
emms;
|
|
mov aptr, ESI;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (aptr < aend)
|
|
*aptr++ -= value;
|
|
|
|
return a;
|
|
}
|
|
|
|
unittest
|
|
{
|
|
printf("_arrayExpSliceMinass_s unittest\n");
|
|
|
|
for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
|
|
{
|
|
version (log) printf(" cpuid %d\n", cpuid);
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
const int dim = 67;
|
|
T[] a = new T[dim + j]; // aligned on 16 byte boundary
|
|
a = a[j .. dim + j]; // misalign for second iteration
|
|
T[] b = new T[dim + j];
|
|
b = b[j .. dim + j];
|
|
T[] c = new T[dim + j];
|
|
c = c[j .. dim + j];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{ a[i] = cast(T)i;
|
|
b[i] = cast(T)(i + 7);
|
|
c[i] = cast(T)(i * 2);
|
|
}
|
|
|
|
a[] = c[];
|
|
a[] -= 6;
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{
|
|
if (a[i] != cast(T)(c[i] - 6))
|
|
{
|
|
printf("[%d]: %d != %d - 6\n", i, a[i], c[i]);
|
|
assert(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* ======================================================================== */
|
|
|
|
/***********************
|
|
* Computes:
|
|
* a[] -= b[]
|
|
*/
|
|
|
|
T[] _arraySliceSliceMinass_u(T[] a, T[] b)
|
|
{
|
|
return _arraySliceSliceMinass_s(a, b);
|
|
}
|
|
|
|
T[] _arraySliceSliceMinass_t(T[] a, T[] b)
|
|
{
|
|
return _arraySliceSliceMinass_s(a, b);
|
|
}
|
|
|
|
T[] _arraySliceSliceMinass_s(T[] a, T[] b)
|
|
in
|
|
{
|
|
assert (a.length == b.length);
|
|
assert (disjoint(a, b));
|
|
}
|
|
body
|
|
{
|
|
//printf("_arraySliceSliceMinass_s()\n");
|
|
auto aptr = a.ptr;
|
|
auto aend = aptr + a.length;
|
|
auto bptr = b.ptr;
|
|
|
|
version (D_InlineAsm_X86)
|
|
{
|
|
// SSE2 aligned version is 2121% faster
|
|
if (sse2() && a.length >= 16)
|
|
{
|
|
auto n = aptr + (a.length & ~15);
|
|
|
|
if (((cast(uint) aptr | cast(uint) bptr) & 15) != 0)
|
|
{
|
|
asm // unaligned case
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov ECX, bptr;
|
|
|
|
align 4;
|
|
startsse2u:
|
|
movdqu XMM0, [ESI];
|
|
movdqu XMM1, [ESI+16];
|
|
add ESI, 32;
|
|
movdqu XMM2, [ECX];
|
|
movdqu XMM3, [ECX+16];
|
|
add ECX, 32;
|
|
psubw XMM0, XMM2;
|
|
psubw XMM1, XMM3;
|
|
movdqu [ESI -32], XMM0;
|
|
movdqu [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2u;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, ECX;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
asm // aligned case
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov ECX, bptr;
|
|
|
|
align 4;
|
|
startsse2a:
|
|
movdqa XMM0, [ESI];
|
|
movdqa XMM1, [ESI+16];
|
|
add ESI, 32;
|
|
movdqa XMM2, [ECX];
|
|
movdqa XMM3, [ECX+16];
|
|
add ECX, 32;
|
|
psubw XMM0, XMM2;
|
|
psubw XMM1, XMM3;
|
|
movdqa [ESI -32], XMM0;
|
|
movdqa [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2a;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, ECX;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
// MMX version is 1116% faster
|
|
if (mmx() && a.length >= 8)
|
|
{
|
|
auto n = aptr + (a.length & ~7);
|
|
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov ECX, bptr;
|
|
|
|
align 4;
|
|
start:
|
|
movq MM0, [ESI];
|
|
movq MM1, [ESI+8];
|
|
add ESI, 16;
|
|
movq MM2, [ECX];
|
|
movq MM3, [ECX+8];
|
|
add ECX, 16;
|
|
psubw MM0, MM2;
|
|
psubw MM1, MM3;
|
|
movq [ESI -16], MM0;
|
|
movq [ESI+8-16], MM1;
|
|
cmp ESI, EDI;
|
|
jb start;
|
|
|
|
emms;
|
|
mov aptr, ESI;
|
|
mov bptr, ECX;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (aptr < aend)
|
|
*aptr++ -= *bptr++;
|
|
|
|
return a;
|
|
}
|
|
|
|
unittest
|
|
{
|
|
printf("_arraySliceSliceMinass_s unittest\n");
|
|
|
|
for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
|
|
{
|
|
version (log) printf(" cpuid %d\n", cpuid);
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
const int dim = 67;
|
|
T[] a = new T[dim + j]; // aligned on 16 byte boundary
|
|
a = a[j .. dim + j]; // misalign for second iteration
|
|
T[] b = new T[dim + j];
|
|
b = b[j .. dim + j];
|
|
T[] c = new T[dim + j];
|
|
c = c[j .. dim + j];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{ a[i] = cast(T)i;
|
|
b[i] = cast(T)(i + 7);
|
|
c[i] = cast(T)(i * 2);
|
|
}
|
|
|
|
b[] = c[];
|
|
c[] -= a[];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{
|
|
if (c[i] != cast(T)(b[i] - a[i]))
|
|
{
|
|
printf("[%d]: %d != %d - %d\n", i, c[i], b[i], a[i]);
|
|
assert(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* ======================================================================== */
|
|
|
|
/***********************
|
|
* Computes:
|
|
* a[] = b[] * value
|
|
*/
|
|
|
|
T[] _arraySliceExpMulSliceAssign_u(T[] a, T value, T[] b)
|
|
{
|
|
return _arraySliceExpMulSliceAssign_s(a, value, b);
|
|
}
|
|
|
|
T[] _arraySliceExpMulSliceAssign_t(T[] a, T value, T[] b)
|
|
{
|
|
return _arraySliceExpMulSliceAssign_s(a, value, b);
|
|
}
|
|
|
|
T[] _arraySliceExpMulSliceAssign_s(T[] a, T value, T[] b)
|
|
in
|
|
{
|
|
assert(a.length == b.length);
|
|
assert(disjoint(a, b));
|
|
}
|
|
body
|
|
{
|
|
//printf("_arraySliceExpMulSliceAssign_s()\n");
|
|
auto aptr = a.ptr;
|
|
auto aend = aptr + a.length;
|
|
auto bptr = b.ptr;
|
|
|
|
version (D_InlineAsm_X86)
|
|
{
|
|
// SSE2 aligned version is 3733% faster
|
|
if (sse2() && a.length >= 16)
|
|
{
|
|
auto n = aptr + (a.length & ~15);
|
|
|
|
uint l = cast(ushort) value;
|
|
l |= l << 16;
|
|
|
|
if (((cast(uint) aptr | cast(uint) bptr) & 15) != 0)
|
|
{
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
movd XMM2, l;
|
|
pshufd XMM2, XMM2, 0;
|
|
|
|
align 4;
|
|
startsse2u:
|
|
add ESI, 32;
|
|
movdqu XMM0, [EAX];
|
|
movdqu XMM1, [EAX+16];
|
|
add EAX, 32;
|
|
pmullw XMM0, XMM2;
|
|
pmullw XMM1, XMM2;
|
|
movdqu [ESI -32], XMM0;
|
|
movdqu [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2u;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
movd XMM2, l;
|
|
pshufd XMM2, XMM2, 0;
|
|
|
|
align 4;
|
|
startsse2a:
|
|
add ESI, 32;
|
|
movdqa XMM0, [EAX];
|
|
movdqa XMM1, [EAX+16];
|
|
add EAX, 32;
|
|
pmullw XMM0, XMM2;
|
|
pmullw XMM1, XMM2;
|
|
movdqa [ESI -32], XMM0;
|
|
movdqa [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2a;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
// MMX version is 3733% faster
|
|
if (mmx() && a.length >= 8)
|
|
{
|
|
auto n = aptr + (a.length & ~7);
|
|
|
|
uint l = cast(ushort) value;
|
|
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
movd MM2, l;
|
|
pshufw MM2, MM2, 0;
|
|
|
|
align 4;
|
|
startmmx:
|
|
add ESI, 16;
|
|
movq MM0, [EAX];
|
|
movq MM1, [EAX+8];
|
|
add EAX, 16;
|
|
pmullw MM0, MM2;
|
|
pmullw MM1, MM2;
|
|
movq [ESI -16], MM0;
|
|
movq [ESI+8-16], MM1;
|
|
cmp ESI, EDI;
|
|
jb startmmx;
|
|
|
|
emms;
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (aptr < aend)
|
|
*aptr++ = cast(T)(*bptr++ * value);
|
|
|
|
return a;
|
|
}
|
|
|
|
unittest
|
|
{
|
|
printf("_arraySliceExpMulSliceAssign_s unittest\n");
|
|
|
|
for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
|
|
{
|
|
version (log) printf(" cpuid %d\n", cpuid);
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
const int dim = 67;
|
|
T[] a = new T[dim + j]; // aligned on 16 byte boundary
|
|
a = a[j .. dim + j]; // misalign for second iteration
|
|
T[] b = new T[dim + j];
|
|
b = b[j .. dim + j];
|
|
T[] c = new T[dim + j];
|
|
c = c[j .. dim + j];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{ a[i] = cast(T)i;
|
|
b[i] = cast(T)(i + 7);
|
|
c[i] = cast(T)(i * 2);
|
|
}
|
|
|
|
c[] = a[] * 6;
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{
|
|
if (c[i] != cast(T)(a[i] * 6))
|
|
{
|
|
printf("[%d]: %d != %d * 6\n", i, c[i], a[i]);
|
|
assert(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* ======================================================================== */
|
|
|
|
/***********************
|
|
* Computes:
|
|
* a[] = b[] * c[]
|
|
*/
|
|
|
|
T[] _arraySliceSliceMulSliceAssign_u(T[] a, T[] c, T[] b)
|
|
{
|
|
return _arraySliceSliceMulSliceAssign_s(a, c, b);
|
|
}
|
|
|
|
T[] _arraySliceSliceMulSliceAssign_t(T[] a, T[] c, T[] b)
|
|
{
|
|
return _arraySliceSliceMulSliceAssign_s(a, c, b);
|
|
}
|
|
|
|
T[] _arraySliceSliceMulSliceAssign_s(T[] a, T[] c, T[] b)
|
|
in
|
|
{
|
|
assert(a.length == b.length && b.length == c.length);
|
|
assert(disjoint(a, b));
|
|
assert(disjoint(a, c));
|
|
assert(disjoint(b, c));
|
|
}
|
|
body
|
|
{
|
|
//printf("_arraySliceSliceMulSliceAssign_s()\n");
|
|
auto aptr = a.ptr;
|
|
auto aend = aptr + a.length;
|
|
auto bptr = b.ptr;
|
|
auto cptr = c.ptr;
|
|
|
|
version (D_InlineAsm_X86)
|
|
{
|
|
// SSE2 aligned version is 2515% faster
|
|
if (sse2() && a.length >= 16)
|
|
{
|
|
auto n = aptr + (a.length & ~15);
|
|
|
|
if (((cast(uint) aptr | cast(uint) bptr | cast(uint) cptr) & 15) != 0)
|
|
{
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
mov ECX, cptr;
|
|
|
|
align 4;
|
|
startsse2u:
|
|
add ESI, 32;
|
|
movdqu XMM0, [EAX];
|
|
movdqu XMM2, [ECX];
|
|
movdqu XMM1, [EAX+16];
|
|
movdqu XMM3, [ECX+16];
|
|
add EAX, 32;
|
|
add ECX, 32;
|
|
pmullw XMM0, XMM2;
|
|
pmullw XMM1, XMM3;
|
|
movdqu [ESI -32], XMM0;
|
|
movdqu [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2u;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
mov cptr, ECX;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
mov ECX, cptr;
|
|
|
|
align 4;
|
|
startsse2a:
|
|
add ESI, 32;
|
|
movdqa XMM0, [EAX];
|
|
movdqa XMM2, [ECX];
|
|
movdqa XMM1, [EAX+16];
|
|
movdqa XMM3, [ECX+16];
|
|
add EAX, 32;
|
|
add ECX, 32;
|
|
pmullw XMM0, XMM2;
|
|
pmullw XMM1, XMM3;
|
|
movdqa [ESI -32], XMM0;
|
|
movdqa [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2a;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
mov cptr, ECX;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
// MMX version is 2515% faster
|
|
if (mmx() && a.length >= 8)
|
|
{
|
|
auto n = aptr + (a.length & ~7);
|
|
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov EAX, bptr;
|
|
mov ECX, cptr;
|
|
|
|
align 4;
|
|
startmmx:
|
|
add ESI, 16;
|
|
movq MM0, [EAX];
|
|
movq MM2, [ECX];
|
|
movq MM1, [EAX+8];
|
|
movq MM3, [ECX+8];
|
|
add EAX, 16;
|
|
add ECX, 16;
|
|
pmullw MM0, MM2;
|
|
pmullw MM1, MM3;
|
|
movq [ESI -16], MM0;
|
|
movq [ESI+8-16], MM1;
|
|
cmp ESI, EDI;
|
|
jb startmmx;
|
|
|
|
emms;
|
|
mov aptr, ESI;
|
|
mov bptr, EAX;
|
|
mov cptr, ECX;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (aptr < aend)
|
|
*aptr++ = cast(T)(*bptr++ * *cptr++);
|
|
|
|
return a;
|
|
}
|
|
|
|
unittest
|
|
{
|
|
printf("_arraySliceSliceMulSliceAssign_s unittest\n");
|
|
|
|
for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
|
|
{
|
|
version (log) printf(" cpuid %d\n", cpuid);
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
const int dim = 67;
|
|
T[] a = new T[dim + j]; // aligned on 16 byte boundary
|
|
a = a[j .. dim + j]; // misalign for second iteration
|
|
T[] b = new T[dim + j];
|
|
b = b[j .. dim + j];
|
|
T[] c = new T[dim + j];
|
|
c = c[j .. dim + j];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{ a[i] = cast(T)i;
|
|
b[i] = cast(T)(i + 7);
|
|
c[i] = cast(T)(i * 2);
|
|
}
|
|
|
|
c[] = a[] * b[];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{
|
|
if (c[i] != cast(T)(a[i] * b[i]))
|
|
{
|
|
printf("[%d]: %d != %d * %d\n", i, c[i], a[i], b[i]);
|
|
assert(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* ======================================================================== */
|
|
|
|
/***********************
|
|
* Computes:
|
|
* a[] *= value
|
|
*/
|
|
|
|
T[] _arrayExpSliceMulass_u(T[] a, T value)
|
|
{
|
|
return _arrayExpSliceMulass_s(a, value);
|
|
}
|
|
|
|
T[] _arrayExpSliceMulass_t(T[] a, T value)
|
|
{
|
|
return _arrayExpSliceMulass_s(a, value);
|
|
}
|
|
|
|
T[] _arrayExpSliceMulass_s(T[] a, T value)
|
|
{
|
|
//printf("_arrayExpSliceMulass_s(a.length = %d, value = %Lg)\n", a.length, cast(real)value);
|
|
auto aptr = a.ptr;
|
|
auto aend = aptr + a.length;
|
|
|
|
version (D_InlineAsm_X86)
|
|
{
|
|
// SSE2 aligned version is 2044% faster
|
|
if (sse2() && a.length >= 16)
|
|
{
|
|
auto n = aptr + (a.length & ~15);
|
|
|
|
uint l = cast(ushort) value;
|
|
l |= l << 16;
|
|
|
|
if (((cast(uint) aptr) & 15) != 0)
|
|
{
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
movd XMM2, l;
|
|
pshufd XMM2, XMM2, 0;
|
|
|
|
align 4;
|
|
startsse2u:
|
|
movdqu XMM0, [ESI];
|
|
movdqu XMM1, [ESI+16];
|
|
add ESI, 32;
|
|
pmullw XMM0, XMM2;
|
|
pmullw XMM1, XMM2;
|
|
movdqu [ESI -32], XMM0;
|
|
movdqu [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2u;
|
|
|
|
mov aptr, ESI;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
movd XMM2, l;
|
|
pshufd XMM2, XMM2, 0;
|
|
|
|
align 4;
|
|
startsse2a:
|
|
movdqa XMM0, [ESI];
|
|
movdqa XMM1, [ESI+16];
|
|
add ESI, 32;
|
|
pmullw XMM0, XMM2;
|
|
pmullw XMM1, XMM2;
|
|
movdqa [ESI -32], XMM0;
|
|
movdqa [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2a;
|
|
|
|
mov aptr, ESI;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
// MMX version is 2056% faster
|
|
if (mmx() && a.length >= 8)
|
|
{
|
|
auto n = aptr + (a.length & ~7);
|
|
|
|
uint l = cast(ushort) value;
|
|
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
movd MM2, l;
|
|
pshufw MM2, MM2, 0;
|
|
|
|
align 4;
|
|
startmmx:
|
|
movq MM0, [ESI];
|
|
movq MM1, [ESI+8];
|
|
add ESI, 16;
|
|
pmullw MM0, MM2;
|
|
pmullw MM1, MM2;
|
|
movq [ESI -16], MM0;
|
|
movq [ESI+8-16], MM1;
|
|
cmp ESI, EDI;
|
|
jb startmmx;
|
|
|
|
emms;
|
|
mov aptr, ESI;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (aptr < aend)
|
|
*aptr++ *= value;
|
|
|
|
return a;
|
|
}
|
|
|
|
unittest
|
|
{
|
|
printf("_arrayExpSliceMulass_s unittest\n");
|
|
|
|
for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
|
|
{
|
|
version (log) printf(" cpuid %d\n", cpuid);
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
const int dim = 67;
|
|
T[] a = new T[dim + j]; // aligned on 16 byte boundary
|
|
a = a[j .. dim + j]; // misalign for second iteration
|
|
T[] b = new T[dim + j];
|
|
b = b[j .. dim + j];
|
|
T[] c = new T[dim + j];
|
|
c = c[j .. dim + j];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{ a[i] = cast(T)i;
|
|
b[i] = cast(T)(i + 7);
|
|
c[i] = cast(T)(i * 2);
|
|
}
|
|
|
|
b[] = a[];
|
|
a[] *= 6;
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{
|
|
if (a[i] != cast(T)(b[i] * 6))
|
|
{
|
|
printf("[%d]: %d != %d * 6\n", i, a[i], b[i]);
|
|
assert(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* ======================================================================== */
|
|
|
|
/***********************
|
|
* Computes:
|
|
* a[] *= b[]
|
|
*/
|
|
|
|
T[] _arraySliceSliceMulass_u(T[] a, T[] b)
|
|
{
|
|
return _arraySliceSliceMulass_s(a, b);
|
|
}
|
|
|
|
T[] _arraySliceSliceMulass_t(T[] a, T[] b)
|
|
{
|
|
return _arraySliceSliceMulass_s(a, b);
|
|
}
|
|
|
|
T[] _arraySliceSliceMulass_s(T[] a, T[] b)
|
|
in
|
|
{
|
|
assert (a.length == b.length);
|
|
assert (disjoint(a, b));
|
|
}
|
|
body
|
|
{
|
|
//printf("_arraySliceSliceMulass_s()\n");
|
|
auto aptr = a.ptr;
|
|
auto aend = aptr + a.length;
|
|
auto bptr = b.ptr;
|
|
|
|
version (D_InlineAsm_X86)
|
|
{
|
|
// SSE2 aligned version is 2519% faster
|
|
if (sse2() && a.length >= 16)
|
|
{
|
|
auto n = aptr + (a.length & ~15);
|
|
|
|
if (((cast(uint) aptr | cast(uint) bptr) & 15) != 0)
|
|
{
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov ECX, bptr;
|
|
|
|
align 4;
|
|
startsse2u:
|
|
movdqu XMM0, [ESI];
|
|
movdqu XMM2, [ECX];
|
|
movdqu XMM1, [ESI+16];
|
|
movdqu XMM3, [ECX+16];
|
|
add ESI, 32;
|
|
add ECX, 32;
|
|
pmullw XMM0, XMM2;
|
|
pmullw XMM1, XMM3;
|
|
movdqu [ESI -32], XMM0;
|
|
movdqu [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2u;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, ECX;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov ECX, bptr;
|
|
|
|
align 4;
|
|
startsse2a:
|
|
movdqa XMM0, [ESI];
|
|
movdqa XMM2, [ECX];
|
|
movdqa XMM1, [ESI+16];
|
|
movdqa XMM3, [ECX+16];
|
|
add ESI, 32;
|
|
add ECX, 32;
|
|
pmullw XMM0, XMM2;
|
|
pmullw XMM1, XMM3;
|
|
movdqa [ESI -32], XMM0;
|
|
movdqa [ESI+16-32], XMM1;
|
|
cmp ESI, EDI;
|
|
jb startsse2a;
|
|
|
|
mov aptr, ESI;
|
|
mov bptr, ECX;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
// MMX version is 1712% faster
|
|
if (mmx() && a.length >= 8)
|
|
{
|
|
auto n = aptr + (a.length & ~7);
|
|
|
|
asm
|
|
{
|
|
mov ESI, aptr;
|
|
mov EDI, n;
|
|
mov ECX, bptr;
|
|
|
|
align 4;
|
|
startmmx:
|
|
movq MM0, [ESI];
|
|
movq MM2, [ECX];
|
|
movq MM1, [ESI+8];
|
|
movq MM3, [ECX+8];
|
|
add ESI, 16;
|
|
add ECX, 16;
|
|
pmullw MM0, MM2;
|
|
pmullw MM1, MM3;
|
|
movq [ESI -16], MM0;
|
|
movq [ESI+8-16], MM1;
|
|
cmp ESI, EDI;
|
|
jb startmmx;
|
|
|
|
emms;
|
|
mov aptr, ESI;
|
|
mov bptr, ECX;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (aptr < aend)
|
|
*aptr++ *= *bptr++;
|
|
|
|
return a;
|
|
}
|
|
|
|
unittest
|
|
{
|
|
printf("_arraySliceSliceMulass_s unittest\n");
|
|
|
|
for (cpuid = 0; cpuid < CPUID_MAX; cpuid++)
|
|
{
|
|
version (log) printf(" cpuid %d\n", cpuid);
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
const int dim = 67;
|
|
T[] a = new T[dim + j]; // aligned on 16 byte boundary
|
|
a = a[j .. dim + j]; // misalign for second iteration
|
|
T[] b = new T[dim + j];
|
|
b = b[j .. dim + j];
|
|
T[] c = new T[dim + j];
|
|
c = c[j .. dim + j];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{ a[i] = cast(T)i;
|
|
b[i] = cast(T)(i + 7);
|
|
c[i] = cast(T)(i * 2);
|
|
}
|
|
|
|
b[] = a[];
|
|
a[] *= c[];
|
|
|
|
for (int i = 0; i < dim; i++)
|
|
{
|
|
if (a[i] != cast(T)(b[i] * c[i]))
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{
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printf("[%d]: %d != %d * %d\n", i, a[i], b[i], c[i]);
|
|
assert(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
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|
|
|
|