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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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14
src/codegen_backend_arm64_uops.c
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@ -779,7 +779,7 @@ static int codegen_FP_ENTER(codeblock_t *block, uop_t *uop)
host_arm64_call(block, x86_int);
host_arm64_B(block, &block->data[BLOCK_EXIT_OFFSET]);
host_arm64_branch_set_offset(branch_ptr, &block->data[block_pos]);
host_arm64_branch_set_offset(branch_ptr, &block_write_data[block_pos]);
return 0;
}
@ -876,12 +876,11 @@ static int codegen_LOAD_SEG(codeblock_t *block, uop_t *uop)
{
int src_reg = HOST_REG_GET(uop->src_reg_a_real);
int src_size = IREG_GET_SIZE(uop->src_reg_a_real);
int offset = add_literal_q(block, (uintptr_t)uop->p);
if (!REG_IS_W(src_size))
fatal("LOAD_SEG %02x %p\n", uop->src_reg_a_real, uop->p);
host_arm64_LDR_LITERAL_X(block, REG_ARG1, offset);
host_arm64_MOVX_IMM(block, REG_ARG1, (uint64_t)uop->p);
host_arm64_AND_IMM(block, REG_ARG0, src_reg, 0xffff);
host_arm64_call(block, (void *)loadseg);
host_arm64_CBNZ(block, REG_X0, (uintptr_t)&block->data[BLOCK_EXIT_OFFSET]);
@ -1229,8 +1228,7 @@ static int codegen_MOV_IMM(codeblock_t *block, uop_t *uop)
}
static int codegen_MOV_PTR(codeblock_t *block, uop_t *uop)
{
int offset = add_literal_q(block, (uintptr_t)uop->p);
host_arm64_LDR_LITERAL_X(block, uop->dest_reg_a_real, offset);
host_arm64_MOVX_IMM(block, uop->dest_reg_a_real, (uint64_t)uop->p);
return 0;
}
@ -1371,7 +1369,7 @@ static int codegen_MOV_INT_DOUBLE_64(codeblock_t *block, uop_t *uop)
host_arm64_call(block, codegen_fp_round_quad);
host_arm64_FMOV_D_Q(block, dest_reg, REG_TEMP);
host_arm64_branch_set_offset(branch_offset, &block->data[block_pos]);
host_arm64_branch_set_offset(branch_offset, &block_write_data[block_pos]);
}
else
fatal("MOV_INT_DOUBLE_64 %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);
@ -3031,8 +3029,6 @@ void codegen_direct_write_double_stack(codeblock_t *block, int stack_offset, int
void codegen_set_jump_dest(codeblock_t *block, void *p)
{
int offset = (uintptr_t)&block->data[block_pos] - (uintptr_t)p;
*(uint32_t *)p |= OFFSET19(offset);
host_arm64_branch_set_offset(p, &block_write_data[block_pos]);
}
#endif