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Add new codegen memory allocator. This allows the recompiler to allocate memory from a central pool as required. This central pool is by default 64 MB on x86, x86-64 and ARMv8, and 32 MB on ARMv7.

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The current design does not allow for ARMv8 literal pools, therefore these have been removed.
This commit is contained in:
SarahW 2019-01-12 15:15:43 +00:00
commit 66fba50e06
26 changed files with 1339 additions and 667 deletions
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39
src/codegen_backend.h
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@ -16,45 +16,6 @@ void codegen_backend_init();
void codegen_backend_prologue(codeblock_t *block);
void codegen_backend_epilogue(codeblock_t *block);
static inline void addbyte(uint8_t val)
{
codeblock[block_current].data[block_pos++] = val;
if (block_pos >= BLOCK_MAX)
{
CPU_BLOCK_END();
}
}
static inline void addword(uint16_t val)
{
*(uint16_t *)(void *)&codeblock[block_current].data[block_pos] = val;
block_pos += 2;
if (block_pos >= BLOCK_MAX)
{
CPU_BLOCK_END();
}
}
static inline void addlong(uint32_t val)
{
*(uint32_t *)&codeblock[block_current].data[block_pos] = val;
block_pos += 4;
if (block_pos >= BLOCK_MAX)
{
CPU_BLOCK_END();
}
}
static inline void addquad(uint64_t val)
{
*(uint64_t *)&codeblock[block_current].data[block_pos] = val;
block_pos += 8;
if (block_pos >= BLOCK_MAX)
{
CPU_BLOCK_END();
}
}
struct ir_data_t;
struct uop_t;