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Add Neon to glm

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A few simple functions that use Neon as compiler does not
use the full potential of Neon
For now, -DGLM_FORCE_NEON is required until it's the default
This commit is contained in:
Amaury Le Leyzour
2019-08-27 11:42:48 -07:00
parent ca52121e1b
commit cd3cc166b4
3 changed files with 378 additions and 5 deletions
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29
glm/simd/platform.h
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@@ -235,10 +235,11 @@
// User defines: GLM_FORCE_PURE GLM_FORCE_INTRINSICS GLM_FORCE_SSE2 GLM_FORCE_SSE3 GLM_FORCE_AVX GLM_FORCE_AVX2 GLM_FORCE_AVX2
#define GLM_ARCH_MIPS_BIT (0x10000000)
#define GLM_ARCH_PPC_BIT (0x20000000)
#define GLM_ARCH_ARM_BIT (0x40000000)
#define GLM_ARCH_X86_BIT (0x80000000)
#define GLM_ARCH_MIPS_BIT (0x10000000)
#define GLM_ARCH_PPC_BIT (0x20000000)
#define GLM_ARCH_ARM_BIT (0x40000000)
#define GLM_ARCH_ARMV8_BIT (0x01000000)
#define GLM_ARCH_X86_BIT (0x80000000)
#define GLM_ARCH_SIMD_BIT (0x00001000)
@@ -263,6 +264,7 @@
#define GLM_ARCH_AVX (GLM_ARCH_AVX_BIT | GLM_ARCH_SSE42)
#define GLM_ARCH_AVX2 (GLM_ARCH_AVX2_BIT | GLM_ARCH_AVX)
#define GLM_ARCH_ARM (GLM_ARCH_ARM_BIT)
#define GLM_ARCH_ARMV8 (GLM_ARCH_NEON_BIT | GLM_ARCH_SIMD_BIT | GLM_ARCH_ARM | GLM_ARCH_ARMV8_BIT)
#define GLM_ARCH_NEON (GLM_ARCH_NEON_BIT | GLM_ARCH_SIMD_BIT | GLM_ARCH_ARM)
#define GLM_ARCH_MIPS (GLM_ARCH_MIPS_BIT)
#define GLM_ARCH_PPC (GLM_ARCH_PPC_BIT)
@@ -270,7 +272,11 @@
#if defined(GLM_FORCE_ARCH_UNKNOWN) || defined(GLM_FORCE_PURE)
# define GLM_ARCH GLM_ARCH_UNKNOWN
#elif defined(GLM_FORCE_NEON)
# define GLM_ARCH (GLM_ARCH_NEON)
# if __ARM_ARCH >= 8
# define GLM_ARCH (GLM_ARCH_ARMV8)
# else
# define GLM_ARCH (GLM_ARCH_NEON)
# endif
# define GLM_FORCE_INTRINSICS
#elif defined(GLM_FORCE_AVX2)
# define GLM_ARCH (GLM_ARCH_AVX2)
@@ -313,9 +319,14 @@
# define GLM_ARCH (GLM_ARCH_SSE2)
# elif defined(__i386__)
# define GLM_ARCH (GLM_ARCH_X86)
# elif defined(__ARM_ARCH) && (__ARM_ARCH >= 8)
# define GLM_ARCH (GLM_ARCH_ARMV8)
#warning "ARM v8"
# elif defined(__ARM_NEON)
#warning "ARM NEON"
# define GLM_ARCH (GLM_ARCH_ARM | GLM_ARCH_NEON)
# elif defined(__arm__ ) || defined(_M_ARM)
#warning "ARM v6"
# define GLM_ARCH (GLM_ARCH_ARM)
# elif defined(__mips__ )
# define GLM_ARCH (GLM_ARCH_MIPS)
@@ -355,6 +366,8 @@
# include <pmmintrin.h>
#elif GLM_ARCH & GLM_ARCH_SSE2_BIT
# include <emmintrin.h>
#elif GLM_ARCH & GLM_ARCH_NEON_BIT
# include <arm_neon.h>
#endif//GLM_ARCH
#if GLM_ARCH & GLM_ARCH_SSE2_BIT
@@ -380,3 +393,9 @@
typedef __m256i glm_i64vec4;
typedef __m256i glm_u64vec4;
#endif
#if GLM_ARCH & GLM_ARCH_NEON_BIT
typedef float32x4_t glm_f32vec4;
typedef int32x4_t glm_i32vec4;
typedef uint32x4_t glm_u32vec4;
#endif