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Added recompiled versions of CLC, CLD, CLI, CMC, STC, STD and STI.

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This commit is contained in:
SarahW 2018-11-28 09:58:50 +00:00
commit e012420f90
5 changed files with 67 additions and 4 deletions
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47
src/codegen_ops_misc.c
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@ -551,3 +551,50 @@ ropLxS(LES, &cpu_state.seg_es)
ropLxS(LFS, &cpu_state.seg_fs)
ropLxS(LGS, &cpu_state.seg_gs)
ropLxS(LSS, &cpu_state.seg_ss)
uint32_t ropCLC(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
uop_CALL_FUNC(ir, flags_rebuild);
uop_AND_IMM(ir, IREG_flags, IREG_flags, ~C_FLAG);
return op_pc;
}
uint32_t ropCMC(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
uop_CALL_FUNC(ir, flags_rebuild);
uop_XOR_IMM(ir, IREG_flags, IREG_flags, C_FLAG);
return op_pc;
}
uint32_t ropSTC(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
uop_CALL_FUNC(ir, flags_rebuild);
uop_OR_IMM(ir, IREG_flags, IREG_flags, C_FLAG);
return op_pc;
}
uint32_t ropCLD(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
uop_AND_IMM(ir, IREG_flags, IREG_flags, ~D_FLAG);
return op_pc;
}
uint32_t ropSTD(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
uop_OR_IMM(ir, IREG_flags, IREG_flags, D_FLAG);
return op_pc;
}
uint32_t ropCLI(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
if (!IOPLp && (cr4 & (CR4_VME | CR4_PVI)))
return 0;
uop_AND_IMM(ir, IREG_flags, IREG_flags, ~I_FLAG);
return op_pc;
}
uint32_t ropSTI(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
if (!IOPLp && (cr4 & (CR4_VME | CR4_PVI)))
return 0;
uop_OR_IMM(ir, IREG_flags, IREG_flags, I_FLAG);
return op_pc;
}