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Move quantum detection into its own file.

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This is logically fairly independent.
This commit is contained in:
David Goldblatt 2017-12-18 17:45:21 -08:00 committed by David Goldblatt
parent e904f813b4
commit 07b89c7673
2 changed files with 79 additions and 73 deletions
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75
include/jemalloc/internal/jemalloc_internal_types.h
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@ -1,6 +1,8 @@
#ifndef JEMALLOC_INTERNAL_TYPES_H
#define JEMALLOC_INTERNAL_TYPES_H
#include "jemalloc/internal/quantum.h"
/* Page size index type. */
typedef unsigned pszind_t;
@ -50,79 +52,6 @@ typedef int malloc_cpuid_t;
/* Smallest size class to support. */
#define TINY_MIN (1U << LG_TINY_MIN)
/*
* Minimum allocation alignment is 2^LG_QUANTUM bytes (ignoring tiny size
* classes).
*/
#ifndef LG_QUANTUM
# if (defined(__i386__) || defined(_M_IX86))
# define LG_QUANTUM 4
# endif
# ifdef __ia64__
# define LG_QUANTUM 4
# endif
# ifdef __alpha__
# define LG_QUANTUM 4
# endif
# if (defined(__sparc64__) || defined(__sparcv9) || defined(__sparc_v9__))
# define LG_QUANTUM 4
# endif
# if (defined(__amd64__) || defined(__x86_64__) || defined(_M_X64))
# define LG_QUANTUM 4
# endif
# ifdef __arm__
# define LG_QUANTUM 3
# endif
# ifdef __aarch64__
# define LG_QUANTUM 4
# endif
# ifdef __hppa__
# define LG_QUANTUM 4
# endif
# ifdef __m68k__
# define LG_QUANTUM 3
# endif
# ifdef __mips__
# define LG_QUANTUM 3
# endif
# ifdef __nios2__
# define LG_QUANTUM 3
# endif
# ifdef __or1k__
# define LG_QUANTUM 3
# endif
# ifdef __powerpc__
# define LG_QUANTUM 4
# endif
# if defined(__riscv) || defined(__riscv__)
# define LG_QUANTUM 4
# endif
# ifdef __s390__
# define LG_QUANTUM 4
# endif
# if (defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || \
defined(__SH4_SINGLE_ONLY__))
# define LG_QUANTUM 4
# endif
# ifdef __tile__
# define LG_QUANTUM 4
# endif
# ifdef __le32__
# define LG_QUANTUM 4
# endif
# ifndef LG_QUANTUM
# error "Unknown minimum alignment for architecture; specify via "
"--with-lg-quantum"
# endif
#endif
#define QUANTUM ((size_t)(1U << LG_QUANTUM))
#define QUANTUM_MASK (QUANTUM - 1)
/* Return the smallest quantum multiple that is >= a. */
#define QUANTUM_CEILING(a) \
(((a) + QUANTUM_MASK) & ~QUANTUM_MASK)
#define LONG ((size_t)(1U << LG_SIZEOF_LONG))
#define LONG_MASK (LONG - 1)

77
include/jemalloc/internal/quantum.h Normal file
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@ -0,0 +1,77 @@
#ifndef JEMALLOC_INTERNAL_QUANTUM_H
#define JEMALLOC_INTERNAL_QUANTUM_H
/*
* Minimum allocation alignment is 2^LG_QUANTUM bytes (ignoring tiny size
* classes).
*/
#ifndef LG_QUANTUM
# if (defined(__i386__) || defined(_M_IX86))
# define LG_QUANTUM 4
# endif
# ifdef __ia64__
# define LG_QUANTUM 4
# endif
# ifdef __alpha__
# define LG_QUANTUM 4
# endif
# if (defined(__sparc64__) || defined(__sparcv9) || defined(__sparc_v9__))
# define LG_QUANTUM 4
# endif
# if (defined(__amd64__) || defined(__x86_64__) || defined(_M_X64))
# define LG_QUANTUM 4
# endif
# ifdef __arm__
# define LG_QUANTUM 3
# endif
# ifdef __aarch64__
# define LG_QUANTUM 4
# endif
# ifdef __hppa__
# define LG_QUANTUM 4
# endif
# ifdef __m68k__
# define LG_QUANTUM 3
# endif
# ifdef __mips__
# define LG_QUANTUM 3
# endif
# ifdef __nios2__
# define LG_QUANTUM 3
# endif
# ifdef __or1k__
# define LG_QUANTUM 3
# endif
# ifdef __powerpc__
# define LG_QUANTUM 4
# endif
# if defined(__riscv) || defined(__riscv__)
# define LG_QUANTUM 4
# endif
# ifdef __s390__
# define LG_QUANTUM 4
# endif
# if (defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || \
defined(__SH4_SINGLE_ONLY__))
# define LG_QUANTUM 4
# endif
# ifdef __tile__
# define LG_QUANTUM 4
# endif
# ifdef __le32__
# define LG_QUANTUM 4
# endif
# ifndef LG_QUANTUM
# error "Unknown minimum alignment for architecture; specify via "
"--with-lg-quantum"
# endif
#endif
#define QUANTUM ((size_t)(1U << LG_QUANTUM))
#define QUANTUM_MASK (QUANTUM - 1)
/* Return the smallest quantum multiple that is >= a. */
#define QUANTUM_CEILING(a) \
(((a) + QUANTUM_MASK) & ~QUANTUM_MASK)
#endif /* JEMALLOC_INTERNAL_QUANTUM_H */