diff options
Diffstat (limited to 'indra/llmath')
| -rw-r--r-- | indra/llmath/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | indra/llmath/llcamera.h | 12 | ||||
| -rw-r--r-- | indra/llmath/llmath.h | 6 | ||||
| -rw-r--r-- | indra/llmath/llmatrix3a.h | 2 | ||||
| -rw-r--r-- | indra/llmath/llmatrix4a.h | 2 | ||||
| -rw-r--r-- | indra/llmath/lloctree.h | 4 | ||||
| -rw-r--r-- | indra/llmath/llplane.h | 4 | ||||
| -rw-r--r-- | indra/llmath/llsimdmath.h | 3 | ||||
| -rw-r--r-- | indra/llmath/llsimdtypes.inl | 2 | ||||
| -rw-r--r-- | indra/llmath/llvector4a.cpp | 8 | ||||
| -rw-r--r-- | indra/llmath/llvector4a.h | 6 | ||||
| -rw-r--r-- | indra/llmath/llvector4a.inl | 1 | ||||
| -rw-r--r-- | indra/llmath/llvector4logical.h | 2 | ||||
| -rw-r--r-- | indra/llmath/llvolume.cpp | 45 | ||||
| -rw-r--r-- | indra/llmath/llvolumeoctree.h | 26 | ||||
| -rw-r--r-- | indra/llmath/tests/alignment_test.cpp | 128 |
16 files changed, 205 insertions, 47 deletions
diff --git a/indra/llmath/CMakeLists.txt b/indra/llmath/CMakeLists.txt index b5e59c1ca3..5865ae030c 100644 --- a/indra/llmath/CMakeLists.txt +++ b/indra/llmath/CMakeLists.txt @@ -117,6 +117,7 @@ if (LL_TESTS) # INTEGRATION TESTS set(test_libs llmath llcommon ${LLCOMMON_LIBRARIES} ${WINDOWS_LIBRARIES}) # TODO: Some of these need refactoring to be proper Unit tests rather than Integration tests. + LL_ADD_INTEGRATION_TEST(alignment "" "${test_libs}") LL_ADD_INTEGRATION_TEST(llbbox llbbox.cpp "${test_libs}") LL_ADD_INTEGRATION_TEST(llquaternion llquaternion.cpp "${test_libs}") LL_ADD_INTEGRATION_TEST(mathmisc "" "${test_libs}") diff --git a/indra/llmath/llcamera.h b/indra/llmath/llcamera.h index ec67b91d05..0b591be622 100644 --- a/indra/llmath/llcamera.h +++ b/indra/llmath/llcamera.h @@ -60,7 +60,7 @@ static const F32 MAX_FIELD_OF_VIEW = 175.f * DEG_TO_RAD; // roll(), pitch(), yaw() // etc... - +LL_ALIGN_PREFIX(16) class LLCamera : public LLCoordFrame { @@ -108,7 +108,7 @@ public: }; private: - LLPlane mAgentPlanes[7]; //frustum planes in agent space a la gluUnproject (I'm a bastard, I know) - DaveP + LL_ALIGN_16(LLPlane mAgentPlanes[7]); //frustum planes in agent space a la gluUnproject (I'm a bastard, I know) - DaveP U8 mPlaneMask[8]; // 8 for alignment F32 mView; // angle between top and bottom frustum planes in radians. @@ -116,13 +116,13 @@ private: S32 mViewHeightInPixels; // for ViewHeightInPixels() only F32 mNearPlane; F32 mFarPlane; - LLPlane mLocalPlanes[4]; + LL_ALIGN_16(LLPlane mLocalPlanes[4]); F32 mFixedDistance; // Always return this distance, unless < 0 LLVector3 mFrustCenter; // center of frustum and radius squared for ultra-quick exclusion test F32 mFrustRadiusSquared; - LLPlane mWorldPlanes[PLANE_NUM]; - LLPlane mHorizPlanes[HORIZ_PLANE_NUM]; + LL_ALIGN_16(LLPlane mWorldPlanes[PLANE_NUM]); + LL_ALIGN_16(LLPlane mHorizPlanes[HORIZ_PLANE_NUM]); U32 mPlaneCount; //defaults to 6, if setUserClipPlane is called, uses user supplied clip plane in @@ -208,7 +208,7 @@ protected: void calculateFrustumPlanes(F32 left, F32 right, F32 top, F32 bottom); void calculateFrustumPlanesFromWindow(F32 x1, F32 y1, F32 x2, F32 y2); void calculateWorldFrustumPlanes(); -}; +} LL_ALIGN_POSTFIX(16); #endif diff --git a/indra/llmath/llmath.h b/indra/llmath/llmath.h index 9297bcbac2..b93f89d674 100644 --- a/indra/llmath/llmath.h +++ b/indra/llmath/llmath.h @@ -85,7 +85,7 @@ const F32 F_ALMOST_ONE = 1.0f - F_ALMOST_ZERO; const F32 FP_MAG_THRESHOLD = 0.0000001f; // TODO: Replace with logic like is_approx_equal -inline BOOL is_approx_zero( F32 f ) { return (-F_APPROXIMATELY_ZERO < f) && (f < F_APPROXIMATELY_ZERO); } +inline bool is_approx_zero( F32 f ) { return (-F_APPROXIMATELY_ZERO < f) && (f < F_APPROXIMATELY_ZERO); } // These functions work by interpreting sign+exp+mantissa as an unsigned // integer. @@ -111,13 +111,13 @@ inline BOOL is_approx_zero( F32 f ) { return (-F_APPROXIMATELY_ZERO < f) && (f < // WARNING: Infinity is comparable with F32_MAX and negative // infinity is comparable with F32_MIN -inline BOOL is_approx_equal(F32 x, F32 y) +inline bool is_approx_equal(F32 x, F32 y) { const S32 COMPARE_MANTISSA_UP_TO_BIT = 0x02; return (std::abs((S32) ((U32&)x - (U32&)y) ) < COMPARE_MANTISSA_UP_TO_BIT); } -inline BOOL is_approx_equal(F64 x, F64 y) +inline bool is_approx_equal(F64 x, F64 y) { const S64 COMPARE_MANTISSA_UP_TO_BIT = 0x02; return (std::abs((S32) ((U64&)x - (U64&)y) ) < COMPARE_MANTISSA_UP_TO_BIT); diff --git a/indra/llmath/llmatrix3a.h b/indra/llmath/llmatrix3a.h index adb7e3389d..9916cfd2da 100644 --- a/indra/llmath/llmatrix3a.h +++ b/indra/llmath/llmatrix3a.h @@ -111,7 +111,7 @@ public: protected: - LLVector4a mColumns[3]; + LL_ALIGN_16(LLVector4a mColumns[3]); }; diff --git a/indra/llmath/llmatrix4a.h b/indra/llmath/llmatrix4a.h index 27cf5b79f6..c4cefdb4fa 100644 --- a/indra/llmath/llmatrix4a.h +++ b/indra/llmath/llmatrix4a.h @@ -34,7 +34,7 @@ class LLMatrix4a { public: - LLVector4a mMatrix[4]; + LL_ALIGN_16(LLVector4a mMatrix[4]); inline void clear() { diff --git a/indra/llmath/lloctree.h b/indra/llmath/lloctree.h index 6c768863a6..c3f6f7de2a 100644 --- a/indra/llmath/lloctree.h +++ b/indra/llmath/lloctree.h @@ -89,7 +89,7 @@ public: typedef LLOctreeNode<T> oct_node; typedef LLOctreeListener<T> oct_listener; - /*void* operator new(size_t size) + void* operator new(size_t size) { return ll_aligned_malloc_16(size); } @@ -97,7 +97,7 @@ public: void operator delete(void* ptr) { ll_aligned_free_16(ptr); - }*/ + } LLOctreeNode( const LLVector4a& center, const LLVector4a& size, diff --git a/indra/llmath/llplane.h b/indra/llmath/llplane.h index a611894721..3c32441b11 100644 --- a/indra/llmath/llplane.h +++ b/indra/llmath/llplane.h @@ -36,6 +36,8 @@ // The plane normal = [A, B, C] // The closest approach = D / sqrt(A*A + B*B + C*C) + +LL_ALIGN_PREFIX(16) class LLPlane { public: @@ -94,7 +96,7 @@ public: private: LLVector4a mV; -}; +} LL_ALIGN_POSTFIX(16); diff --git a/indra/llmath/llsimdmath.h b/indra/llmath/llsimdmath.h index c7cdf7b32c..01458521ec 100644 --- a/indra/llmath/llsimdmath.h +++ b/indra/llmath/llsimdmath.h @@ -67,11 +67,10 @@ template <typename T> T* LL_NEXT_ALIGNED_ADDRESS_64(T* address) #define LL_ALIGN_16(var) LL_ALIGN_PREFIX(16) var LL_ALIGN_POSTFIX(16) - - #include <xmmintrin.h> #include <emmintrin.h> +#include "llmemory.h" #include "llsimdtypes.h" #include "llsimdtypes.inl" diff --git a/indra/llmath/llsimdtypes.inl b/indra/llmath/llsimdtypes.inl index 712239e425..e905c84954 100644 --- a/indra/llmath/llsimdtypes.inl +++ b/indra/llmath/llsimdtypes.inl @@ -62,6 +62,7 @@ inline LLSimdScalar operator/(const LLSimdScalar& a, const LLSimdScalar& b) inline LLSimdScalar operator-(const LLSimdScalar& a) { static LL_ALIGN_16(const U32 signMask[4]) = {0x80000000, 0x80000000, 0x80000000, 0x80000000 }; + ll_assert_aligned(signMask,16); return _mm_xor_ps(*reinterpret_cast<const LLQuad*>(signMask), a); } @@ -146,6 +147,7 @@ inline LLSimdScalar& LLSimdScalar::operator/=(const LLSimdScalar& rhs) inline LLSimdScalar LLSimdScalar::getAbs() const { static const LL_ALIGN_16(U32 F_ABS_MASK_4A[4]) = { 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF }; + ll_assert_aligned(F_ABS_MASK_4A,16); return _mm_and_ps( mQ, *reinterpret_cast<const LLQuad*>(F_ABS_MASK_4A)); } diff --git a/indra/llmath/llvector4a.cpp b/indra/llmath/llvector4a.cpp index b66b7a7076..6edeb0fefe 100644 --- a/indra/llmath/llvector4a.cpp +++ b/indra/llmath/llvector4a.cpp @@ -24,6 +24,7 @@ * $/LicenseInfo$ */ +#include "llmemory.h" #include "llmath.h" #include "llquantize.h" @@ -44,7 +45,10 @@ extern const LLVector4a LL_V4A_EPSILON = reinterpret_cast<const LLVector4a&> ( F assert(dst != NULL); assert(bytes > 0); assert((bytes % sizeof(F32))== 0); - + ll_assert_aligned(src,16); + ll_assert_aligned(dst,16); + assert(bytes%16==0); + F32* end = dst + (bytes / sizeof(F32) ); if (bytes > 64) @@ -189,6 +193,8 @@ void LLVector4a::quantize16( const LLVector4a& low, const LLVector4a& high ) LLVector4a oneOverDelta; { static LL_ALIGN_16( const F32 F_TWO_4A[4] ) = { 2.f, 2.f, 2.f, 2.f }; + ll_assert_aligned(F_TWO_4A,16); + LLVector4a two; two.load4a( F_TWO_4A ); // Here we use _mm_rcp_ps plus one round of newton-raphson diff --git a/indra/llmath/llvector4a.h b/indra/llmath/llvector4a.h index 596082509d..0526793d3a 100644 --- a/indra/llmath/llvector4a.h +++ b/indra/llmath/llvector4a.h @@ -32,6 +32,7 @@ class LLRotation; #include <assert.h> #include "llpreprocessor.h" +#include "llmemory.h" /////////////////////////////////// // FIRST TIME USERS PLEASE READ @@ -46,6 +47,7 @@ class LLRotation; // LLVector3/LLVector4. ///////////////////////////////// +LL_ALIGN_PREFIX(16) class LLVector4a { public: @@ -82,6 +84,7 @@ public: } // Copy words 16-byte blocks from src to dst. Source and destination must not overlap. + // Source and dest must be 16-byte aligned and size must be multiple of 16. static void memcpyNonAliased16(F32* __restrict dst, const F32* __restrict src, size_t bytes); //////////////////////////////////// @@ -90,6 +93,7 @@ public: LLVector4a() { //DO NOT INITIALIZE -- The overhead is completely unnecessary + ll_assert_aligned(this,16); } LLVector4a(F32 x, F32 y, F32 z, F32 w = 0.f) @@ -313,7 +317,7 @@ public: private: LLQuad mQ; -}; +} LL_ALIGN_POSTFIX(16); inline void update_min_max(LLVector4a& min, LLVector4a& max, const LLVector4a& p) { diff --git a/indra/llmath/llvector4a.inl b/indra/llmath/llvector4a.inl index 7ad22a5631..7c52ffef21 100644 --- a/indra/llmath/llvector4a.inl +++ b/indra/llmath/llvector4a.inl @@ -475,6 +475,7 @@ inline void LLVector4a::setLerp(const LLVector4a& lhs, const LLVector4a& rhs, F3 inline LLBool32 LLVector4a::isFinite3() const { static LL_ALIGN_16(const U32 nanOrInfMask[4]) = { 0x7f800000, 0x7f800000, 0x7f800000, 0x7f800000 }; + ll_assert_aligned(nanOrInfMask,16); const __m128i nanOrInfMaskV = *reinterpret_cast<const __m128i*> (nanOrInfMask); const __m128i maskResult = _mm_and_si128( _mm_castps_si128(mQ), nanOrInfMaskV ); const LLVector4Logical equalityCheck = _mm_castsi128_ps(_mm_cmpeq_epi32( maskResult, nanOrInfMaskV )); diff --git a/indra/llmath/llvector4logical.h b/indra/llmath/llvector4logical.h index dd66b09d43..c5698f7cea 100644 --- a/indra/llmath/llvector4logical.h +++ b/indra/llmath/llvector4logical.h @@ -27,6 +27,7 @@ #ifndef LL_VECTOR4LOGICAL_H #define LL_VECTOR4LOGICAL_H +#include "llmemory.h" //////////////////////////// // LLVector4Logical @@ -77,6 +78,7 @@ public: inline LLVector4Logical& invert() { static const LL_ALIGN_16(U32 allOnes[4]) = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF }; + ll_assert_aligned(allOnes,16); mQ = _mm_andnot_ps( mQ, *(LLQuad*)(allOnes) ); return *this; } diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 06ac0aa1f6..53d56e96da 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -95,17 +95,6 @@ const S32 SCULPT_MIN_AREA_DETAIL = 1; extern BOOL gDebugGL; -void assert_aligned(void* ptr, uintptr_t alignment) -{ -#if 0 - uintptr_t t = (uintptr_t) ptr; - if (t%alignment != 0) - { - llerrs << "Alignment check failed." << llendl; - } -#endif -} - BOOL check_same_clock_dir( const LLVector3& pt1, const LLVector3& pt2, const LLVector3& pt3, const LLVector3& norm) { LLVector3 test = (pt2-pt1)%(pt3-pt2); @@ -6962,14 +6951,14 @@ void LLVolumeFace::resizeVertices(S32 num_verts) if (num_verts) { mPositions = (LLVector4a*) ll_aligned_malloc_16(sizeof(LLVector4a)*num_verts); - assert_aligned(mPositions, 16); + ll_assert_aligned(mPositions, 16); mNormals = (LLVector4a*) ll_aligned_malloc_16(sizeof(LLVector4a)*num_verts); - assert_aligned(mNormals, 16); + ll_assert_aligned(mNormals, 16); //pad texture coordinate block end to allow for QWORD reads S32 size = ((num_verts*sizeof(LLVector2)) + 0xF) & ~0xF; mTexCoords = (LLVector2*) ll_aligned_malloc_16(size); - assert_aligned(mTexCoords, 16); + ll_assert_aligned(mTexCoords, 16); } else { @@ -6993,14 +6982,17 @@ void LLVolumeFace::pushVertex(const LLVector4a& pos, const LLVector4a& norm, con // S32 old_size = mNumVertices*16; //positions - mPositions = (LLVector4a*) realloc(mPositions, new_size); + mPositions = (LLVector4a*) ll_aligned_realloc_16(mPositions, new_size); + ll_assert_aligned(mPositions,16); //normals - mNormals = (LLVector4a*) realloc(mNormals, new_size); - + mNormals = (LLVector4a*) ll_aligned_realloc_16(mNormals, new_size); + ll_assert_aligned(mNormals,16); + //tex coords new_size = ((new_verts*8)+0xF) & ~0xF; - mTexCoords = (LLVector2*) realloc(mTexCoords, new_size); + mTexCoords = (LLVector2*) ll_aligned_realloc_16(mTexCoords, new_size); + ll_assert_aligned(mTexCoords,16); //just clear binormals @@ -7053,7 +7045,8 @@ void LLVolumeFace::pushIndex(const U16& idx) S32 old_size = ((mNumIndices*2)+0xF) & ~0xF; if (new_size != old_size) { - mIndices = (U16*) realloc(mIndices, new_size); + mIndices = (U16*) ll_aligned_realloc_16(mIndices, new_size); + ll_assert_aligned(mIndices,16); } mIndices[mNumIndices++] = idx; @@ -7094,12 +7087,12 @@ void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat_in, LLMat } //allocate new buffer space - mPositions = (LLVector4a*) realloc(mPositions, new_count*sizeof(LLVector4a)); - assert_aligned(mPositions, 16); - mNormals = (LLVector4a*) realloc(mNormals, new_count*sizeof(LLVector4a)); - assert_aligned(mNormals, 16); - mTexCoords = (LLVector2*) realloc(mTexCoords, (new_count*sizeof(LLVector2)+0xF) & ~0xF); - assert_aligned(mTexCoords, 16); + mPositions = (LLVector4a*) ll_aligned_realloc_16(mPositions, new_count*sizeof(LLVector4a)); + ll_assert_aligned(mPositions, 16); + mNormals = (LLVector4a*) ll_aligned_realloc_16(mNormals, new_count*sizeof(LLVector4a)); + ll_assert_aligned(mNormals, 16); + mTexCoords = (LLVector2*) ll_aligned_realloc_16(mTexCoords, (new_count*sizeof(LLVector2)+0xF) & ~0xF); + ll_assert_aligned(mTexCoords, 16); mNumVertices = new_count; @@ -7145,7 +7138,7 @@ void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat_in, LLMat new_count = mNumIndices + face.mNumIndices; //allocate new index buffer - mIndices = (U16*) realloc(mIndices, (new_count*sizeof(U16)+0xF) & ~0xF); + mIndices = (U16*) ll_aligned_realloc_16(mIndices, (new_count*sizeof(U16)+0xF) & ~0xF); //get destination address into new index buffer U16* dst_idx = mIndices+mNumIndices; diff --git a/indra/llmath/llvolumeoctree.h b/indra/llmath/llvolumeoctree.h index ed54fe0835..9ae34a0c4e 100644 --- a/indra/llmath/llvolumeoctree.h +++ b/indra/llmath/llvolumeoctree.h @@ -37,6 +37,16 @@ class LLVolumeTriangle : public LLRefCount { public: + void* operator new(size_t size) + { + return ll_aligned_malloc_16(size); + } + + void operator delete(void* ptr) + { + ll_aligned_free_16(ptr); + } + LLVolumeTriangle() { mBinIndex = -1; @@ -58,7 +68,7 @@ public: } - LLVector4a mPositionGroup; + LL_ALIGN_16(LLVector4a mPositionGroup); const LLVector4a* mV[3]; U16 mIndex[3]; @@ -80,6 +90,16 @@ class LLVolumeOctreeListener : public LLOctreeListener<LLVolumeTriangle> { public: + void* operator new(size_t size) + { + return ll_aligned_malloc_16(size); + } + + void operator delete(void* ptr) + { + ll_aligned_free_16(ptr); + } + LLVolumeOctreeListener(LLOctreeNode<LLVolumeTriangle>* node); ~LLVolumeOctreeListener(); @@ -106,8 +126,8 @@ public: public: - LLVector4a mBounds[2]; // bounding box (center, size) of this node and all its children (tight fit to objects) - LLVector4a mExtents[2]; // extents (min, max) of this node and all its children + LL_ALIGN_16(LLVector4a mBounds[2]); // bounding box (center, size) of this node and all its children (tight fit to objects) + LL_ALIGN_16(LLVector4a mExtents[2]); // extents (min, max) of this node and all its children }; class LLOctreeTriangleRayIntersect : public LLOctreeTraveler<LLVolumeTriangle> diff --git a/indra/llmath/tests/alignment_test.cpp b/indra/llmath/tests/alignment_test.cpp new file mode 100644 index 0000000000..ac0c45ae6f --- /dev/null +++ b/indra/llmath/tests/alignment_test.cpp @@ -0,0 +1,128 @@ +/** + * @file v3dmath_test.cpp + * @author Vir + * @date 2011-12 + * @brief v3dmath test cases. + * + * $LicenseInfo:firstyear=2011&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2011, Linden Research, Inc. + * + * This library 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; + * version 2.1 of the License only. + * + * This library 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 this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +// Tests related to allocating objects with alignment constraints, particularly for SSE support. + +#include "linden_common.h" +#include "../test/lltut.h" +#include "../llmath.h" +#include "../llsimdmath.h" +#include "../llvector4a.h" + +void* operator new(size_t size) +{ + return ll_aligned_malloc_16(size); +} + +void operator delete(void *p) +{ + ll_aligned_free_16(p); +} + +namespace tut +{ + +#define is_aligned(ptr,alignment) ((reinterpret_cast<uintptr_t>(ptr))%(alignment)==0) +#define is_aligned_relative(ptr,base_ptr,alignment) ((reinterpret_cast<uintptr_t>(ptr)-reinterpret_cast<uintptr_t>(base_ptr))%(alignment)==0) + +struct alignment_test {}; + +typedef test_group<alignment_test> alignment_test_t; +typedef alignment_test_t::object alignment_test_object_t; +tut::alignment_test_t tut_alignment_test("LLAlignment"); + +LL_ALIGN_PREFIX(16) +class MyVector4a +{ + LLQuad mQ; +} LL_ALIGN_POSTFIX(16); + + +// Verify that aligned allocators perform as advertised. +template<> template<> +void alignment_test_object_t::test<1>() +{ +# ifdef LL_DEBUG + skip("This test fails on Windows when compiled in debug mode."); +# endif + + const int num_tests = 7; + void *align_ptr; + for (int i=0; i<num_tests; i++) + { + align_ptr = ll_aligned_malloc_16(sizeof(MyVector4a)); + ensure("ll_aligned_malloc_16 failed", is_aligned(align_ptr,16)); + + align_ptr = ll_aligned_realloc_16(align_ptr,2*sizeof(MyVector4a)); + ensure("ll_aligned_realloc_16 failed", is_aligned(align_ptr,16)); + + ll_aligned_free_16(align_ptr); + + align_ptr = ll_aligned_malloc_32(sizeof(MyVector4a)); + ensure("ll_aligned_malloc_32 failed", is_aligned(align_ptr,32)); + ll_aligned_free_32(align_ptr); + } +} + +// In-place allocation of objects and arrays. +template<> template<> +void alignment_test_object_t::test<2>() +{ + MyVector4a vec1; + ensure("LLAlignment vec1 unaligned", is_aligned(&vec1,16)); + + MyVector4a veca[12]; + ensure("LLAlignment veca unaligned", is_aligned(veca,16)); +} + +// Heap allocation of objects and arrays. +template<> template<> +void alignment_test_object_t::test<3>() +{ +# ifdef LL_DEBUG + skip("This test fails on Windows when compiled in debug mode."); +# endif + + const int ARR_SIZE = 7; + for(int i=0; i<ARR_SIZE; i++) + { + MyVector4a *vecp = new MyVector4a; + ensure("LLAlignment vecp unaligned", is_aligned(vecp,16)); + delete vecp; + } + + MyVector4a *veca = new MyVector4a[ARR_SIZE]; + ensure("LLAligment veca base", is_aligned(veca,16)); + for(int i=0; i<ARR_SIZE; i++) + { + std::cout << "veca[" << i << "]" << std::endl; + ensure("LLAlignment veca member unaligned", is_aligned(&veca[i],16)); + } +} + +} |