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we have to 16-byte align sheepshaver_cpu object has it contains SSE values

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that require this alignment.
This commit is contained in:
gbeauche 2004-02-20 17:20:15 +00:00
parent 443231c1da
commit cdab3d6975
1 changed files with 16 additions and 13 deletions
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29
SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp
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@ -158,23 +158,26 @@ public:
void interrupt(uint32 entry);
void handle_interrupt();
// Lazy memory allocator (one item at a time)
void *operator new(size_t size)
{ return allocator_helper< sheepshaver_cpu, lazy_allocator >::allocate(); }
void operator delete(void *p)
{ allocator_helper< sheepshaver_cpu, lazy_allocator >::deallocate(p); }
// FIXME: really make surre array allocation fail at link time?
void *operator new[](size_t);
void operator delete[](void *p);
// Make sure the SIGSEGV handler can access CPU registers
friend sigsegv_return_t sigsegv_handler(sigsegv_address_t, sigsegv_address_t);
};
// FIXME: this specialization doesn't work with GCC
// template<> lazy_allocator< sheepshaver_cpu > allocator_helper< sheepshaver_cpu, lazy_allocator >::allocator;
template< class data_type, template< class > class allocator_type >
allocator_type< data_type > allocator_helper< data_type, allocator_type >::allocator;
// Memory allocator returning areas aligned on 16-byte boundaries
void *operator new(size_t size)
{
void *p;
/* XXX: try different approaches */
if (posix_memalign(&p, 16, size) != 0)
throw std::bad_alloc();
return p;
}
void operator delete(void *p)
{
free(p);
}
sheepshaver_cpu::sheepshaver_cpu()
: powerpc_cpu(enable_jit_p())