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cosmetic changes

cache-refactoring
Aleksey Demakov 16 years ago
parent
b9eaf33cbe
commit
5bc3c8fffc
1 changed files with 45 additions and 37 deletions
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  1. 82
      jit/jit-rules.h

82
jit/jit-rules.h
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@ -34,24 +34,27 @@ extern "C" {
* Determine which backend to use. * Determine which backend to use.
*/ */
#if defined(USE_LIBJIT_INTERPRETER) #if defined(USE_LIBJIT_INTERPRETER)
#define JIT_BACKEND_INTERP 1 # define JIT_BACKEND_INTERP 1
#define JIT_HAVE_BACKEND 1 # define JIT_HAVE_BACKEND 1
#elif defined(__i386) || defined(__i386__) || defined(_M_IX86)
#define JIT_BACKEND_X86 1
#define JIT_HAVE_BACKEND 1
#elif defined(__alpha) || defined(__alpha__) #elif defined(__alpha) || defined(__alpha__)
#define JIT_BACKEND_ALPHA 1 # define JIT_BACKEND_ALPHA 1
#define JIT_HAVE_BACKEND 1 # define JIT_HAVE_BACKEND 1
#elif defined(__amd64) || defined(__amd64__) || defined(_x86_64) || defined(_x86_64__)
#define JIT_BACKEND_X86_64 1
#define JIT_HAVE_BACKEND 1
#elif defined(__arm) || defined(__arm__) #elif defined(__arm) || defined(__arm__)
#define JIT_BACKEND_ARM 1 # define JIT_BACKEND_ARM 1
#define JIT_HAVE_BACKEND 1 # define JIT_HAVE_BACKEND 1
#elif defined(__i386) || defined(__i386__) || defined(_M_IX86)
# define JIT_BACKEND_X86 1
# define JIT_HAVE_BACKEND 1
#elif defined(__amd64) || defined(__amd64__) || defined(_x86_64) || defined(_x86_64__)
# define JIT_BACKEND_X86_64 1
# define JIT_HAVE_BACKEND 1
#endif #endif
/*
* Fallback to interpreter if there is no appropriate native backend.
*/
#if !defined(JIT_HAVE_BACKEND) #if !defined(JIT_HAVE_BACKEND)
#define JIT_BACKEND_INTERP 1 # define JIT_BACKEND_INTERP 1
#endif #endif
/* /*
@ -59,10 +62,10 @@ extern "C" {
*/ */
typedef struct typedef struct
{ {
const char *name; /* Name of the register, for debugging */ const char *name; /* Name of the register, for debugging */
short cpu_reg; /* CPU register number */ short cpu_reg; /* CPU register number */
short other_reg; /* Other register for a "long" pair, or -1 */ short other_reg; /* Other register for a "long" pair, or -1 */
int flags; /* Flags that define the register type */ int flags; /* Flags that define the register type */
} jit_reginfo_t; } jit_reginfo_t;
@ -80,24 +83,25 @@ typedef struct
#define JIT_REG_CALL_USED (1 << 8) /* Destroyed by a call */ #define JIT_REG_CALL_USED (1 << 8) /* Destroyed by a call */
#define JIT_REG_IN_STACK (1 << 9) /* Middle of stack-like allocation */ #define JIT_REG_IN_STACK (1 << 9) /* Middle of stack-like allocation */
#define JIT_REG_GLOBAL (1 << 10) /* Candidate for global allocation */ #define JIT_REG_GLOBAL (1 << 10) /* Candidate for global allocation */
#define JIT_REG_ALL (JIT_REG_WORD | JIT_REG_LONG | JIT_REG_FLOAT32 | \ #define JIT_REG_ALL (JIT_REG_WORD | JIT_REG_LONG \
JIT_REG_FLOAT64 | JIT_REG_NFLOAT) | JIT_REG_FLOAT32 | JIT_REG_FLOAT64 \
| JIT_REG_NFLOAT)
/* /*
* Include definitions that are specific to the backend. * Include definitions that are specific to the backend.
*/ */
#if defined(JIT_BACKEND_INTERP) #if defined(JIT_BACKEND_INTERP)
#include "jit-rules-interp.h" # include "jit-rules-interp.h"
#elif defined(JIT_BACKEND_X86)
#include "jit-rules-x86.h"
#elif defined(JIT_BACKEND_ARM)
#include "jit-rules-arm.h"
#elif defined(JIT_BACKEND_ALPHA) #elif defined(JIT_BACKEND_ALPHA)
#include "jit-rules-alpha.h" # include "jit-rules-alpha.h"
#elif defined(JIT_BACKEND_ARM)
# include "jit-rules-arm.h"
#elif defined(JIT_BACKEND_X86)
# include "jit-rules-x86.h"
#elif defined(JIT_BACKEND_X86_64) #elif defined(JIT_BACKEND_X86_64)
#include "jit-rules-x86-64.h" # include "jit-rules-x86-64.h"
#else #else
#error "unknown jit backend type" # error "unknown jit backend type"
#endif #endif
/* /*
@ -110,14 +114,19 @@ extern jit_reginfo_t const _jit_reg_info[JIT_NUM_REGS];
* definitions if it has more registers than can fit in a "jit_uint". * definitions if it has more registers than can fit in a "jit_uint".
*/ */
#if !defined(jit_regused_init) #if !defined(jit_regused_init)
typedef jit_uint jit_regused_t; typedef jit_uint jit_regused_t;
#define jit_regused_init (0)
#define jit_regused_init_used (~0) #define jit_regused_init (0)
#define jit_reg_is_used(mask,reg) \ #define jit_regused_init_used (~0)
(((mask) & (((jit_uint)1) << (reg))) != 0)
#define jit_reg_set_used(mask,reg) ((mask) |= (((jit_uint)1) << (reg))) #define jit_reg_is_used(mask,reg) (((mask) & (((jit_uint)1) << (reg))) != 0)
#define jit_reg_set_used(mask,reg) ((mask) |= (((jit_uint)1) << (reg)))
#define jit_reg_clear_used(mask,reg) ((mask) &= ~(((jit_uint)1) << (reg))) #define jit_reg_clear_used(mask,reg) ((mask) &= ~(((jit_uint)1) << (reg)))
#endif
#endif /* !defined(jit_regused_init) */
/* /*
* Information about a register's contents. * Information about a register's contents.
@ -174,10 +183,9 @@ struct jit_gencode
typedef struct jit_elf_info jit_elf_info_t; typedef struct jit_elf_info jit_elf_info_t;
struct jit_elf_info struct jit_elf_info
{ {
int machine; int machine;
int abi; int abi;
int abi_version; int abi_version;
}; };
/* /*

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