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x86-64 recompiler now at parity with x86-32

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This commit is contained in:
TomW 2015-08-04 18:36:27 +01:00
commit 0bf08d9e74
10 changed files with 4591 additions and 222 deletions
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61
src/codegen_x86-64.c
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@ -24,64 +24,6 @@
#include <windows.h>
#endif
static void load_param_1_32(codeblock_t *block, uint32_t param)
{
#if WIN64
addbyte(0xb9); /*MOVL $fetchdat,%ecx*/
#else
addbyte(0xbf); /*MOVL $fetchdat,%edi*/
#endif
addlong(param);
}
static void load_param_1_64(codeblock_t *block, uint64_t param)
{
addbyte(0x48);
#if WIN64
addbyte(0xb9); /*MOVL $fetchdat,%ecx*/
#else
addbyte(0xbf); /*MOVL $fetchdat,%edi*/
#endif
addquad(param);
}
static void load_param_2_32(codeblock_t *block, uint32_t param)
{
#if WIN64
addbyte(0xba); /*MOVL $fetchdat,%edx*/
#else
addbyte(0xbe); /*MOVL $fetchdat,%esi*/
#endif
addlong(param);
}
static void load_param_2_64(codeblock_t *block, uint64_t param)
{
addbyte(0x48);
#if WIN64
addbyte(0xba); /*MOVL $fetchdat,%edx*/
#else
addbyte(0xbe); /*MOVL $fetchdat,%esi*/
#endif
addquad(param);
}
static void call(codeblock_t *block, uintptr_t func)
{
uintptr_t diff = func - (uintptr_t)&block->data[block_pos + 5];
if (diff >= -0x80000000 && diff < 0x7fffffff)
{
addbyte(0xE8); /*CALL*/
addlong((uint32_t)diff);
}
else
{
addbyte(0x48); /*MOV RAX, func*/
addbyte(0xb8);
addquad(func);
addbyte(0xff); /*CALL RAX*/
addbyte(0xd0);
}
}
int codegen_flags_changed = 0;
int codegen_fpu_entered = 0;
@ -1142,7 +1084,6 @@ generate_call:
}
#endif
}
#if 0
if (recomp_op_table && recomp_op_table[(opcode | op_32) & 0x1ff])
{
uint32_t new_pc = recomp_op_table[(opcode | op_32) & 0x1ff](opcode, fetchdat, op_32, op_pc, block);
@ -1159,7 +1100,7 @@ generate_call:
return;
}
}
#endif
op = op_table[((opcode >> opcode_shift) | op_32) & opcode_mask];
// if (output)
// pclog("Generate call at %08X %02X %08X %02X %08X %08X %08X %08X %08X %02X %02X %02X %02X\n", &codeblock[block_current][block_pos], opcode, new_pc, ram[old_pc], EAX, EBX, ECX, EDX, ESI, ram[0x7bd2+6],ram[0x7bd2+7],ram[0x7bd2+8],ram[0x7bd2+9]);