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Moved integer registers, PC and flags_* variables into new cpu_state structure. Reduces recompiled code size slightly, small speedup (1-3%).

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This commit is contained in:
SarahW 2016-04-20 21:39:41 +01:00
commit c81a91fd72
52 changed files with 1494 additions and 1408 deletions
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18
src/codegen_ops_jump.h
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@ -5,7 +5,7 @@ static uint32_t ropJMP_r8(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
if (offset & 0x80)
offset |= 0xffffff00;
STORE_IMM_ADDR_L((uintptr_t)&pc, op_pc+1+offset);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.pc, op_pc+1+offset);
return -1;
}
@ -14,7 +14,7 @@ static uint32_t ropJMP_r16(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, ui
{
uint16_t offset = fetchdat & 0xffff;
STORE_IMM_ADDR_L((uintptr_t)&pc, (op_pc+2+offset) & 0xffff);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.pc, (op_pc+2+offset) & 0xffff);
return -1;
}
@ -23,7 +23,7 @@ static uint32_t ropJMP_r32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, ui
{
uint32_t offset = fastreadl(cs + op_pc);
STORE_IMM_ADDR_L((uintptr_t)&pc, op_pc+4+offset);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.pc, op_pc+4+offset);
return -1;
}
@ -88,7 +88,7 @@ static int BRANCH_COND_E(int pc_offset, uint32_t op_pc, uint32_t offset, int not
{
int host_reg;
switch (codegen_flags_changed ? flags_op : FLAGS_UNKNOWN)
switch (codegen_flags_changed ? cpu_state.flags_op : FLAGS_UNKNOWN)
{
case FLAGS_ZN8:
case FLAGS_ZN16:
@ -114,7 +114,7 @@ static int BRANCH_COND_E(int pc_offset, uint32_t op_pc, uint32_t offset, int not
case FLAGS_DEC8:
case FLAGS_DEC16:
case FLAGS_DEC32:
host_reg = LOAD_VAR_L((uintptr_t)&flags_res);
host_reg = LOAD_VAR_L((uintptr_t)&cpu_state.flags_res);
if (not)
TEST_NONZERO_JUMP_L(host_reg, op_pc+pc_offset+offset, timing_bt);
else
@ -153,7 +153,7 @@ static int BRANCH_COND_S(int pc_offset, uint32_t op_pc, uint32_t offset, int not
{
int host_reg;
switch (codegen_flags_changed ? flags_op : FLAGS_UNKNOWN)
switch (codegen_flags_changed ? cpu_state.flags_op : FLAGS_UNKNOWN)
{
case FLAGS_ZN8:
case FLAGS_ADD8:
@ -163,7 +163,7 @@ static int BRANCH_COND_S(int pc_offset, uint32_t op_pc, uint32_t offset, int not
case FLAGS_SAR8:
case FLAGS_INC8:
case FLAGS_DEC8:
host_reg = LOAD_VAR_L((uintptr_t)&flags_res);
host_reg = LOAD_VAR_L((uintptr_t)&cpu_state.flags_res);
AND_HOST_REG_IMM(host_reg, 0x80);
if (not)
TEST_ZERO_JUMP_L(host_reg, op_pc+pc_offset+offset, timing_bt);
@ -179,7 +179,7 @@ static int BRANCH_COND_S(int pc_offset, uint32_t op_pc, uint32_t offset, int not
case FLAGS_SAR16:
case FLAGS_INC16:
case FLAGS_DEC16:
host_reg = LOAD_VAR_L((uintptr_t)&flags_res);
host_reg = LOAD_VAR_L((uintptr_t)&cpu_state.flags_res);
AND_HOST_REG_IMM(host_reg, 0x8000);
if (not)
TEST_ZERO_JUMP_L(host_reg, op_pc+pc_offset+offset, timing_bt);
@ -195,7 +195,7 @@ static int BRANCH_COND_S(int pc_offset, uint32_t op_pc, uint32_t offset, int not
case FLAGS_SAR32:
case FLAGS_INC32:
case FLAGS_DEC32:
host_reg = LOAD_VAR_L((uintptr_t)&flags_res);
host_reg = LOAD_VAR_L((uintptr_t)&cpu_state.flags_res);
AND_HOST_REG_IMM(host_reg, 0x80000000);
if (not)
TEST_ZERO_JUMP_L(host_reg, op_pc+pc_offset+offset, timing_bt);