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Added code generation for immediate->register and register versions of MOV, XCHG, ADD, SUB, AND, OR, XOR, TEST, CMP, INC and DEC.

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This commit is contained in:
TomW 2015-01-16 21:22:14 +00:00
commit 630592125c
11 changed files with 1568 additions and 30 deletions
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54
src/codegen_x86.c
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@ -7,20 +7,19 @@
#include "ibm.h"
#include "cpu.h"
#include "x86.h"
#include "x86_flags.h"
#include "x86_ops.h"
#include "x87.h"
#include "codegen.h"
#include "codegen_ops.h"
#include "codegen_ops_x86.h"
#include "386_common.h"
#define BLOCK_EXIT_OFFSET 0x1ff0
#define CPU_BLOCK_END() cpu_block_end = 1
int host_reg_mapping[NR_HOST_REGS];
codeblock_t *codeblock;
codeblock_t **codeblock_hash;
@ -33,9 +32,9 @@ page_t *pages;
uint8_t *codeblock_page_dirty;
static int block_current = 0;
int block_current = 0;
static int block_num;
static int block_pos;
int block_pos;
int cpu_recomp_flushes, cpu_recomp_flushes_latched;
int cpu_recomp_evicted, cpu_recomp_evicted_latched;
@ -51,28 +50,6 @@ static uint32_t last_op32;
static x86seg *last_ea_seg;
static int last_ssegs;
static inline void addbyte(uint8_t val)
{
// pclog("Addbyte %02X at %i %i\n", val, block_pos, cpu_block_end);
codeblock[block_current].data[block_pos++] = val;
if (block_pos >= 8000)
{
CPU_BLOCK_END();
}
}
static inline void addlong(uint32_t val)
{
// pclog("Addlong %08X at %i %i\n", val, block_pos, cpu_block_end);
*(uint32_t *)&codeblock[block_current].data[block_pos] = val;
block_pos += 4;
if (block_pos >= 8000)
{
CPU_BLOCK_END();
}
}
void codegen_init()
{
int c;
@ -696,6 +673,10 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
int over = 0;
int pc_off = 0;
int test_modrm = 1;
int c;
for (c = 0; c < NR_HOST_REGS; c++)
host_reg_mapping[c] = -1;
codegen_timing_start();
@ -819,6 +800,21 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
generate_call:
codegen_timing_opcode(opcode, fetchdat, op_32);
if (op_table == x86_dynarec_opcodes && recomp_opcodes[(opcode | op_32) & 0x1ff])
{
uint32_t new_pc = recomp_opcodes[(opcode | op_32) & 0x1ff](opcode, fetchdat, op_32, op_pc, block);
if (new_pc)
{
STORE_IMM_ADDR_L((uintptr_t)&pc, new_pc);
codegen_block_ins++;
block->ins++;
codegen_endpc = (cs + pc) + 8;
return;
}
}
op = op_table[((opcode >> opcode_shift) | op_32) & opcode_mask];
// if (output)
// pclog("Generate call at %08X %02X %08X %02X %08X %08X %08X %08X %08X %02X %02X %02X %02X\n", &codeblock[block_current][block_pos], opcode, new_pc, ram[old_pc], EAX, EBX, ECX, EDX, ESI, ram[0x7bd2+6],ram[0x7bd2+7],ram[0x7bd2+8],ram[0x7bd2+9]);