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Add an Architecture Abstraction Layer.

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Currently, we support one architecture, but this provides a layer for
adding other architectures without adding more nested `#ifdef`s.

Fixes #42
This commit is contained in:
David Chisnall
2019-07-10 10:42:59 +01:00
parent e594377b8a
commit 7eabea01d6
10 changed files with 214 additions and 115 deletions
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23
src/ds/defines.h
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@@ -1,8 +1,6 @@
#pragma once
#ifdef _MSC_VER
# include <immintrin.h>
# include <intrin.h>
# define ALWAYSINLINE __forceinline
# define NOINLINE __declspec(noinline)
# define HEADER_GLOBAL __declspec(selectany)
@@ -14,8 +12,6 @@
#else
# define likely(x) __builtin_expect(!!(x), 1)
# define unlikely(x) __builtin_expect(!!(x), 0)
# include <cpuid.h>
# include <emmintrin.h>
# define ALWAYSINLINE __attribute__((always_inline))
# define NOINLINE __attribute__((noinline))
# define SNMALLOC_SLOW_PATH NOINLINE
@@ -30,25 +26,6 @@
# endif
#endif
#if defined(__i386__) || defined(_M_IX86) || defined(_X86_) || \
defined(__amd64__) || defined(__x86_64__) || defined(_M_X64) || \
defined(_M_AMD64)
# define PLATFORM_IS_X86
# if defined(__linux__) && !defined(OPEN_ENCLAVE)
# include <x86intrin.h>
# endif
# if defined(__amd64__) || defined(__x86_64__) || defined(_M_X64) || \
defined(_M_AMD64)
# define PLATFORM_BITS_64
# else
# define PLATFORM_BITS_32
# endif
#endif
#if defined(_MSC_VER) && defined(PLATFORM_BITS_32)
# include <intsafe.h>
#endif
#ifndef __has_builtin
# define __has_builtin(x) 0
#endif