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fix stack alignment (theoritically but it was OK in practise) in generated

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functions, move m68k_compile_execute() to compiler/ dir since it's JIT
generic and it now depends on USE_PUSH_POP (as it should)
This commit is contained in:
gbeauche 2006-01-15 22:42:51 +00:00
parent bde3eb7972
commit 1b99c9501f
4 changed files with 43 additions and 23 deletions
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10
BasiliskII/src/uae_cpu/compiler/codegen_x86.cpp
View File

@ -81,6 +81,9 @@
#define MUL_NREG1 EAX_INDEX /* %eax will hold the low 32 bits after a 32x32 mul */
#define MUL_NREG2 EDX_INDEX /* %edx will hold the high 32 bits */
#define STACK_ALIGN 16
#define STACK_OFFSET sizeof(void *)
uae_s8 always_used[]={4,-1};
#if defined(__x86_64__)
uae_s8 can_byte[]={0,1,2,3,5,6,7,8,9,10,11,12,13,14,15,-1};
@ -3322,9 +3325,14 @@ static __inline__ void raw_load_flagx(uae_u32 target, uae_u32 r)
raw_mov_l_rm(target,(uintptr)live.state[r].mem);
}
static __inline__ void raw_dec_sp(int off)
{
if (off) raw_sub_l_ri(ESP_INDEX,off);
}
static __inline__ void raw_inc_sp(int off)
{
raw_add_l_ri(ESP_INDEX,off);
if (off) raw_add_l_ri(ESP_INDEX,off);
}
/*************************************************************************

39
BasiliskII/src/uae_cpu/compiler/compemu_support.cpp
View File

@ -132,6 +132,10 @@ static int untranslated_compfn(const void *e1, const void *e2)
}
#endif
#if ! USE_PUSH_POP
static void (*m68k_do_compile_execute)(void) = NULL;
#endif
static compop_func *compfunctbl[65536];
static compop_func *nfcompfunctbl[65536];
static cpuop_func *nfcpufunctbl[65536];
@ -5996,6 +6000,15 @@ static __inline__ void create_popalls(void)
}
vm_protect(popallspace, POPALLSPACE_SIZE, VM_PAGE_READ | VM_PAGE_WRITE);
int stack_space = STACK_OFFSET;
for (i=0;i<N_REGS;i++) {
if (need_to_preserve[i])
stack_space += sizeof(void *);
}
stack_space %= STACK_ALIGN;
if (stack_space)
stack_space = STACK_ALIGN - stack_space;
current_compile_p=popallspace;
set_target(current_compile_p);
#if USE_PUSH_POP
@ -6005,6 +6018,7 @@ static __inline__ void create_popalls(void)
*/
align_target(align_jumps);
popall_do_nothing=get_target();
raw_inc_sp(stack_space);
for (i=0;i<N_REGS;i++) {
if (need_to_preserve[i])
raw_pop_l_r(i);
@ -6013,6 +6027,7 @@ static __inline__ void create_popalls(void)
align_target(align_jumps);
popall_execute_normal=get_target();
raw_inc_sp(stack_space);
for (i=0;i<N_REGS;i++) {
if (need_to_preserve[i])
raw_pop_l_r(i);
@ -6021,6 +6036,7 @@ static __inline__ void create_popalls(void)
align_target(align_jumps);
popall_cache_miss=get_target();
raw_inc_sp(stack_space);
for (i=0;i<N_REGS;i++) {
if (need_to_preserve[i])
raw_pop_l_r(i);
@ -6029,6 +6045,7 @@ static __inline__ void create_popalls(void)
align_target(align_jumps);
popall_recompile_block=get_target();
raw_inc_sp(stack_space);
for (i=0;i<N_REGS;i++) {
if (need_to_preserve[i])
raw_pop_l_r(i);
@ -6037,6 +6054,7 @@ static __inline__ void create_popalls(void)
align_target(align_jumps);
popall_exec_nostats=get_target();
raw_inc_sp(stack_space);
for (i=0;i<N_REGS;i++) {
if (need_to_preserve[i])
raw_pop_l_r(i);
@ -6045,6 +6063,7 @@ static __inline__ void create_popalls(void)
align_target(align_jumps);
popall_check_checksum=get_target();
raw_inc_sp(stack_space);
for (i=0;i<N_REGS;i++) {
if (need_to_preserve[i])
raw_pop_l_r(i);
@ -6071,18 +6090,20 @@ static __inline__ void create_popalls(void)
raw_push_l_r(i);
}
#endif
raw_dec_sp(stack_space);
r=REG_PC_TMP;
raw_mov_l_rm(r,(uintptr)&regs.pc_p);
raw_and_l_ri(r,TAGMASK);
raw_jmp_m_indexed((uintptr)cache_tags,r,SIZEOF_VOID_P);
#if defined(X86_ASSEMBLY) || defined(X86_64_ASSEMBLY)
#if ! USE_PUSH_POP
align_target(align_jumps);
m68k_compile_execute = (void (*)(void))get_target();
m68k_do_compile_execute = (void (*)(void))get_target();
for (i=N_REGS;i--;) {
if (need_to_preserve[i])
raw_push_l_r(i);
}
raw_dec_sp(stack_space);
align_target(align_loops);
uae_u32 dispatch_loop = (uintptr)get_target();
r=REG_PC_TMP;
@ -6099,6 +6120,7 @@ static __inline__ void create_popalls(void)
raw_cmp_b_mi((uintptr)&quit_program,0);
raw_jcc_b_oponly(NATIVE_CC_EQ);
emit_byte(dispatch_loop-((uintptr)get_target()+1));
raw_inc_sp(stack_space);
for (i=0;i<N_REGS;i++) {
if (need_to_preserve[i])
raw_pop_l_r(i);
@ -7103,9 +7125,7 @@ void execute_normal(void)
typedef void (*compiled_handler)(void);
#if defined(X86_ASSEMBLY) || defined(X86_64_ASSEMBLY)
void (*m68k_compile_execute)(void) = NULL;
#else
#if USE_PUSH_POP
void m68k_do_compile_execute(void)
{
for (;;) {
@ -7118,3 +7138,12 @@ void m68k_do_compile_execute(void)
}
}
#endif
void m68k_compile_execute (void)
{
for (;;) {
if (quit_program)
break;
m68k_do_compile_execute();
}
}

11
BasiliskII/src/uae_cpu/newcpu.cpp
View File

@ -1357,17 +1357,6 @@ void m68k_do_execute (void)
}
}
#if USE_JIT && !(defined(X86_ASSEMBLY) || defined(X86_64_ASSEMBLY))
void m68k_compile_execute (void)
{
for (;;) {
if (quit_program)
break;
m68k_do_compile_execute();
}
}
#endif
void m68k_execute (void)
{
#if USE_JIT

6
BasiliskII/src/uae_cpu/newcpu.h
View File

@ -287,14 +287,8 @@ extern void m68k_record_step(uaecptr) REGPARAM;
extern void m68k_do_execute(void);
extern void m68k_execute(void);
#if USE_JIT
#if defined(X86_ASSEMBLY) || defined(X86_64_ASSEMBLY)
/* This is generated code */
extern void (*m68k_compile_execute)(void);
#else
extern void m68k_do_compile_execute(void);
extern void m68k_compile_execute(void);
#endif
#endif
#ifdef USE_CPU_EMUL_SERVICES
extern int32 emulated_ticks;
extern void cpu_do_check_ticks(void);