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Recompiler now handles FPU prefixes.

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This commit is contained in:
SarahW 2018-07-06 17:50:32 +01:00
commit 93ec6b0692
1 changed files with 82 additions and 4 deletions
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86
src/codegen.c
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@ -258,6 +258,9 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
int op_ssegs = 0; int op_ssegs = 0;
int over = 0; int over = 0;
int test_modrm = 1; int test_modrm = 1;
int pc_off = 0;
op_ea_seg = &_ds;
op_ea_seg = &_ds; op_ea_seg = &_ds;
@ -303,6 +306,81 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
op_32 = ((use32 & 0x200) ^ 0x200) | (op_32 & 0x100); op_32 = ((use32 & 0x200) ^ 0x200) | (op_32 & 0x100);
break; break;
case 0xd8:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_d8_a32 : x86_dynarec_opcodes_d8_a16;
// recomp_op_table = recomp_opcodes_d8;
opcode_shift = 3;
opcode_mask = 0x1f;
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xd9:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_d9_a32 : x86_dynarec_opcodes_d9_a16;
// recomp_op_table = recomp_opcodes_d9;
opcode_mask = 0xff;
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xda:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_da_a32 : x86_dynarec_opcodes_da_a16;
// recomp_op_table = recomp_opcodes_da;
opcode_mask = 0xff;
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xdb:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_db_a32 : x86_dynarec_opcodes_db_a16;
// recomp_op_table = recomp_opcodes_db;
opcode_mask = 0xff;
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xdc:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_dc_a32 : x86_dynarec_opcodes_dc_a16;
// recomp_op_table = recomp_opcodes_dc;
opcode_shift = 3;
opcode_mask = 0x1f;
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xdd:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_dd_a32 : x86_dynarec_opcodes_dd_a16;
// recomp_op_table = recomp_opcodes_dd;
opcode_mask = 0xff;
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xde:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_de_a32 : x86_dynarec_opcodes_de_a16;
// recomp_op_table = recomp_opcodes_de;
opcode_mask = 0xff;
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xdf:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_df_a32 : x86_dynarec_opcodes_df_a16;
// recomp_op_table = recomp_opcodes_df;
opcode_mask = 0xff;
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xf0: /*LOCK*/ case 0xf0: /*LOCK*/
break; break;
@ -323,7 +401,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
if (cpu_state.abrt) if (cpu_state.abrt)
return; return;
opcode = fetchdat & 0xff; opcode = fetchdat & 0xff;
// if (!pc_off) if (!pc_off)
fetchdat >>= 8; fetchdat >>= 8;
op_pc++; op_pc++;
@ -348,7 +426,7 @@ generate_call:
uop_MOV_IMM(ir, IREG_rm_mod_reg, cpu_rm | (cpu_mod << 8) | (cpu_reg << 16)); uop_MOV_IMM(ir, IREG_rm_mod_reg, cpu_rm | (cpu_mod << 8) | (cpu_reg << 16));
// op_pc += pc_off; op_pc += pc_off;
if (cpu_mod != 3 && !(op_32 & 0x200)) if (cpu_mod != 3 && !(op_32 & 0x200))
{ {
op_ea_seg = codegen_generate_ea_16_long(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc); op_ea_seg = codegen_generate_ea_16_long(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc);
@ -360,11 +438,11 @@ generate_call:
// has_ea = 1; // has_ea = 1;
} }
// op_ea_seg = codegen_generate_ea_32_long(op_ea_seg, fetchdat, op_ssegs, &op_pc, stack_offset); // op_ea_seg = codegen_generate_ea_32_long(op_ea_seg, fetchdat, op_ssegs, &op_pc, stack_offset);
// op_pc -= pc_off; op_pc -= pc_off;
} }
uop_MOV_IMM(ir, IREG_pc, op_pc); uop_MOV_IMM(ir, IREG_pc, op_pc+pc_off);
uop_MOV_IMM(ir, IREG_oldpc, old_pc); uop_MOV_IMM(ir, IREG_oldpc, old_pc);
if (op_32 != last_op_32) if (op_32 != last_op_32)
uop_MOV_IMM(ir, IREG_op32, op_32); uop_MOV_IMM(ir, IREG_op32, op_32);