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Added recompiled versions of PUSHA and POPA.

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This commit is contained in:
SarahW 2018-11-28 11:50:24 +00:00
commit 5df3f6caef
4 changed files with 85 additions and 2 deletions
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73
src/codegen_ops_stack.c
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@ -288,3 +288,76 @@ uint32_t ropLEAVE_32(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t
return op_pc;
}
uint32_t ropPUSHA_16(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int sp_reg;
uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc);
sp_reg = LOAD_SP_WITH_OFFSET(ir, -16);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 14, IREG_AX);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 12, IREG_CX);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 10, IREG_DX);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 8, IREG_BX);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 6, IREG_SP);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 4, IREG_BP);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 2, IREG_SI);
uop_MEM_STORE_REG(ir, IREG_SS_base, sp_reg, IREG_DI);
SUB_SP(ir, 16);
return op_pc;
}
uint32_t ropPUSHA_32(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int sp_reg;
uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc);
sp_reg = LOAD_SP_WITH_OFFSET(ir, -32);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 28, IREG_EAX);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 24, IREG_ECX);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 20, IREG_EDX);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 16, IREG_EBX);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 12, IREG_ESP);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 8, IREG_EBP);
uop_MEM_STORE_REG_OFFSET(ir, IREG_SS_base, sp_reg, 4, IREG_ESI);
uop_MEM_STORE_REG(ir, IREG_SS_base, sp_reg, IREG_EDI);
SUB_SP(ir, 32);
return op_pc;
}
uint32_t ropPOPA_16(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int sp_reg;
uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc);
sp_reg = LOAD_SP(ir);
uop_MEM_LOAD_REG(ir, IREG_DI, IREG_SS_base, sp_reg);
uop_MEM_LOAD_REG_OFFSET(ir, IREG_SI, IREG_SS_base, sp_reg, 2);
uop_MEM_LOAD_REG_OFFSET(ir, IREG_BP, IREG_SS_base, sp_reg, 4);
uop_MEM_LOAD_REG_OFFSET(ir, IREG_BX, IREG_SS_base, sp_reg, 8);
uop_MEM_LOAD_REG_OFFSET(ir, IREG_DX, IREG_SS_base, sp_reg, 10);
uop_MEM_LOAD_REG_OFFSET(ir, IREG_CX, IREG_SS_base, sp_reg, 12);
uop_MEM_LOAD_REG_OFFSET(ir, IREG_AX, IREG_SS_base, sp_reg, 14);
ADD_SP(ir, 16);
return op_pc;
}
uint32_t ropPOPA_32(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int sp_reg;
uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc);
sp_reg = LOAD_SP(ir);
uop_MEM_LOAD_REG(ir, IREG_EDI, IREG_SS_base, sp_reg);
uop_MEM_LOAD_REG_OFFSET(ir, IREG_ESI, IREG_SS_base, sp_reg, 4);
uop_MEM_LOAD_REG_OFFSET(ir, IREG_EBP, IREG_SS_base, sp_reg, 8);
uop_MEM_LOAD_REG_OFFSET(ir, IREG_EBX, IREG_SS_base, sp_reg, 16);
uop_MEM_LOAD_REG_OFFSET(ir, IREG_EDX, IREG_SS_base, sp_reg, 20);
uop_MEM_LOAD_REG_OFFSET(ir, IREG_ECX, IREG_SS_base, sp_reg, 24);
uop_MEM_LOAD_REG_OFFSET(ir, IREG_EAX, IREG_SS_base, sp_reg, 28);
ADD_SP(ir, 32);
return op_pc;
}