51 lines
3.4 KiB
C
51 lines
3.4 KiB
C
#include <stdint.h>
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#include <86box/86box.h>
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#include "cpu.h"
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#include <86box/mem.h>
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#include "x86.h"
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#include "x86_flags.h"
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#include "386_common.h"
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#include "codegen.h"
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#include "codegen_accumulate.h"
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#include "codegen_ir.h"
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#include "codegen_ops.h"
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#include "codegen_ops_mmx_pack.h"
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#include "codegen_ops_helpers.h"
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#define ropPpack(func) \
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uint32_t rop ## func(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) \
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{ \
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int dest_reg = (fetchdat >> 3) & 7; \
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\
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uop_MMX_ENTER(ir); \
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codegen_mark_code_present(block, cs+op_pc, 1); \
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if ((fetchdat & 0xc0) == 0xc0) \
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{ \
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int src_reg = fetchdat & 7; \
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uop_ ## func(ir, IREG_MM(dest_reg), IREG_MM(dest_reg), IREG_MM(src_reg)); \
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} \
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else \
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{ \
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x86seg *target_seg; \
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\
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uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); \
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target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); \
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codegen_check_seg_read(block, ir, target_seg); \
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uop_MEM_LOAD_REG(ir, IREG_temp0_Q, ireg_seg_base(target_seg), IREG_eaaddr); \
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uop_ ## func(ir, IREG_MM(dest_reg), IREG_MM(dest_reg), IREG_temp0_Q); \
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} \
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\
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return op_pc + 1; \
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}
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ropPpack(PACKSSWB)
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ropPpack(PACKSSDW)
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ropPpack(PACKUSWB)
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ropPpack(PUNPCKLBW)
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ropPpack(PUNPCKLWD)
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ropPpack(PUNPCKLDQ)
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ropPpack(PUNPCKHBW)
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ropPpack(PUNPCKHWD)
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ropPpack(PUNPCKHDQ)
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