maybe fix some crashes some people are seeing (used wrong instruction to load 64 bits)

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@174 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard 2008-08-10 20:38:15 +00:00
parent dc915d40f3
commit efd15dc2c3
3 changed files with 65 additions and 20 deletions

View file

@ -25,15 +25,16 @@ namespace Gen
static bool mode32 = false;
static bool enableBranchHints = false;
void SetCodePtr(u8 *ptr)
{
code = ptr;
}
const u8 *GetCodePtr()
{
return code;
}
u8 *GetWritableCodePtr()
{
return code;
@ -107,18 +108,18 @@ namespace Gen
{
#ifdef _M_X64
u8 op = 0x40;
if (customOp == -1) customOp = operandReg;
if (customOp == -1) customOp = operandReg;
if (op64) op |= 8;
if (customOp >> 3) op |= 4;
if (customOp >> 3) op |= 4;
if (indexReg >> 3) op |= 2;
if (offsetOrBaseReg >> 3) op |= 1; //TODO investigate if this is dangerous
_dbg_assert_msg_(DYNA_REC,!mode32 || op == 0x40,"!mode32");
_dbg_assert_msg_(DYNA_REC, !mode32 || op == 0x40, "!mode32");
if (op != 0x40)
Write8(op);
#else
_dbg_assert_(DYNA_REC,(operandReg >> 3) == 0);
_dbg_assert_(DYNA_REC,(indexReg >> 3) == 0);
_dbg_assert_(DYNA_REC,(offsetOrBaseReg >> 3) == 0);
_dbg_assert_(DYNA_REC, (operandReg >> 3) == 0);
_dbg_assert_(DYNA_REC, (indexReg >> 3) == 0);
_dbg_assert_(DYNA_REC, (offsetOrBaseReg >> 3) == 0);
#endif
}
@ -970,6 +971,53 @@ namespace Gen
arg.WriteRest(extrabytes);
}
void MOVD_xmm(X64Reg dest, const OpArg &arg) {WriteSSEOp(64, 0x6E, true, dest, arg, 0);}
void MOVQ_xmm(X64Reg dest, OpArg arg) {
if (dest > 7)
{
// Alternate encoding
// This does not display correctly in MSVC's debugger, it thinks it's a MOVD
arg.operandReg = dest;
Write8(0x66);
arg.WriteRex(true);
Write8(0x0f);
Write8(0x6E);
arg.WriteRest(0);
} else {
arg.operandReg = dest;
arg.WriteRex(false);
Write8(0xF3);
Write8(0x0f);
Write8(0x7E);
arg.WriteRest(0);
}
}
void MOVD_xmm(const OpArg &arg, X64Reg src) {WriteSSEOp(64, 0x7E, true, src, arg, 0);}
void MOVQ_xmm(OpArg arg, X64Reg src) {
if (src > 7)
{
// Alternate encoding
// This does not display correctly in MSVC's debugger, it thinks it's a MOVD
arg.operandReg = src;
Write8(0x66);
arg.WriteRex(true);
Write8(0x0f);
Write8(0x7E);
arg.WriteRest(0);
} else {
// INT3();
arg.operandReg = src;
arg.WriteRex(false);
Write8(0x66);
Write8(0x0f);
Write8(0xD6);
arg.WriteRest(0);
}
}
void WriteMXCSR(OpArg arg, int ext)
{
@ -1123,12 +1171,6 @@ namespace Gen
}
}
void MOVD_xmm(X64Reg dest, const OpArg &arg){WriteSSEOp(64, 0x6E, true, dest, arg, 0);}
void MOVQ_xmm(X64Reg dest, const OpArg &arg){WriteSSEOp(64, 0x6E, false, dest, arg, 0);}
void MOVD_xmm(const OpArg &arg, X64Reg src) {WriteSSEOp(64, 0x7E, true, src, arg, 0);}
void MOVQ_xmm(const OpArg &arg, X64Reg src) {WriteSSEOp(64, 0x7E, false, src, arg, 0);}
//There are a few more left
// Also some integer instrucitons are missing
@ -1165,8 +1207,11 @@ namespace Gen
}
void PSHUFB(X64Reg dest, OpArg arg) {
INT3(); //still untested
if (!cpu_info.bSSE3NewInstructions) {
PanicAlert("Trying to use PSHUFB on a system that doesn't support it. Bad programmer.");
}
Write8(0x66);
arg.operandReg = dest;
arg.WriteRex(false);
Write8(0x0f);
Write8(0x38);

View file

@ -414,9 +414,9 @@ namespace Gen
void MOVMSKPD(X64Reg dest, OpArg arg);
void MOVD_xmm(X64Reg dest, const OpArg &arg);
void MOVQ_xmm(X64Reg dest, const OpArg &arg);
void MOVQ_xmm(X64Reg dest, OpArg arg);
void MOVD_xmm(const OpArg &arg, X64Reg src);
void MOVQ_xmm(const OpArg &arg, X64Reg src);
void MOVQ_xmm(OpArg arg, X64Reg src);
void MASKMOVDQU(X64Reg dest, X64Reg src);
void LDDQU(X64Reg dest, OpArg src);

View file

@ -46,8 +46,8 @@
namespace Jit64 {
static double GC_ALIGNED16(psTemp[2]) = {1.0, 1.0};
static u64 GC_ALIGNED16(temp64);
double GC_ALIGNED16(psTemp[2]) = {1.0, 1.0};
u64 GC_ALIGNED16(temp64);
// TODO(ector): Improve 64-bit version
void WriteDual32(u64 value, u32 address)
@ -139,7 +139,7 @@ void psq_st(UGeckoInstruction inst)
MOV(32, gpr.R(a), R(ABI_PARAM2));
CVTPD2PS(XMM0, fpr.R(s));
SHUFPS(XMM0, R(XMM0), 1);
MOVAPS(M(&temp64), XMM0);
MOVQ_xmm(M(&temp64), XMM0);
MOV(64, R(ABI_PARAM1), M(&temp64));
FixupBranch argh = J_CC(CC_NZ);
BSWAP(64, ABI_PARAM1);
@ -170,7 +170,7 @@ void psq_st(UGeckoInstruction inst)
CVTPD2DQ(XMM0, R(XMM0));
PACKSSDW(XMM0, R(XMM0));
PACKUSWB(XMM0, R(XMM0));
MOVAPS(M(&temp64), XMM0);
MOVD_xmm(M(&temp64), XMM0);
MOV(16, R(ABI_PARAM1), M(&temp64));
#ifdef _M_X64
MOV(16, MComplex(RBX, ABI_PARAM2, SCALE_1, 0), R(ABI_PARAM1));