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Added recompiled versions of mem->reg, reg->mem and imm->mem versions of ADD, AND, CMP, OR, SUB and XOR.

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This commit is contained in:
SarahW 2018-07-27 22:24:34 +01:00
commit e64271f5bb
18 changed files with 1554 additions and 542 deletions
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36
src/codegen_backend_x86_uops.c
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@ -36,15 +36,22 @@ static int codegen_ADD(codeblock_t *block, uop_t *uop)
if (REG_IS_L(dest_size) && REG_IS_L(src_size_a) && REG_IS_L(src_size_b))
{
host_x86_ADD32_REG_REG(block, dest_reg, src_reg_a, src_reg_b);
if (uop->dest_reg_a_real != uop->src_reg_a_real)
host_x86_LEA_REG_REG(block, dest_reg, src_reg_a, src_reg_b);
else
host_x86_ADD32_REG_REG(block, dest_reg, src_reg_a, src_reg_b);
}
else if (REG_IS_W(dest_size) && REG_IS_W(src_size_a) && REG_IS_W(src_size_b))
{
host_x86_ADD16_REG_REG(block, dest_reg, src_reg_a, src_reg_b);
if (uop->dest_reg_a_real != uop->src_reg_a_real)
host_x86_MOV16_REG_REG(block, dest_reg, src_reg_a);
host_x86_ADD16_REG_REG(block, dest_reg, dest_reg, src_reg_b);
}
else if (REG_IS_B(dest_size) && REG_IS_B(src_size_a) && REG_IS_B(src_size_b))
{
host_x86_ADD8_REG_REG(block, dest_reg, src_reg_a, src_reg_b);
if (uop->dest_reg_a_real != uop->src_reg_a_real)
host_x86_MOV8_REG_REG(block, dest_reg, src_reg_a);
host_x86_ADD8_REG_REG(block, dest_reg, dest_reg, src_reg_b);
}
else
fatal("ADD %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);
@ -59,15 +66,22 @@ static int codegen_ADD_IMM(codeblock_t *block, uop_t *uop)
if (REG_IS_L(dest_size) && REG_IS_L(src_size))
{
host_x86_ADD32_REG_IMM(block, dest_reg, src_reg, uop->imm_data);
if (uop->dest_reg_a_real != uop->src_reg_a_real)
host_x86_LEA_REG_IMM(block, dest_reg, src_reg, uop->imm_data);
else
host_x86_ADD32_REG_IMM(block, dest_reg, src_reg, uop->imm_data);
}
else if (REG_IS_W(dest_size) && REG_IS_W(src_size))
{
host_x86_ADD16_REG_IMM(block, dest_reg, src_reg, uop->imm_data);
if (uop->dest_reg_a_real != uop->src_reg_a_real)
host_x86_MOV16_REG_REG(block, dest_reg, src_reg);
host_x86_ADD16_REG_IMM(block, dest_reg, dest_reg, uop->imm_data);
}
else if (REG_IS_B(dest_size) && REG_IS_B(src_size))
{
host_x86_ADD8_REG_IMM(block, dest_reg, src_reg, uop->imm_data);
if (uop->dest_reg_a_real != uop->src_reg_a_real)
host_x86_MOV8_REG_REG(block, dest_reg, src_reg);
host_x86_ADD8_REG_IMM(block, dest_reg, dest_reg, uop->imm_data);
}
else
fatal("ADD_IMM %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);
@ -636,4 +650,14 @@ void codegen_direct_write_ptr(codeblock_t *block, void *p, int host_reg)
host_x86_MOV32_ABS_REG(block, p, host_reg);
}
void codegen_direct_read_32_stack(codeblock_t *block, int host_reg, int stack_offset)
{
host_x86_MOV32_REG_BASE_OFFSET(block, host_reg, REG_ESP, stack_offset);
}
void codegen_direct_write_32_stack(codeblock_t *block, int stack_offset, int host_reg)
{
host_x86_MOV32_BASE_OFFSET_REG(block, REG_ESP, stack_offset, host_reg);
}
#endif