49 lines
3.1 KiB
C
49 lines
3.1 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 "x86seg_common.h"
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#include "x86seg.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_cmp.h"
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#include "codegen_ops_helpers.h"
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#define ropPcmp(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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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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} else { \
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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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// clang-format off
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ropPcmp(PCMPEQB)
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ropPcmp(PCMPEQW)
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ropPcmp(PCMPEQD)
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ropPcmp(PCMPGTB)
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ropPcmp(PCMPGTW)
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ropPcmp(PCMPGTD)
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// clang-format on
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