Jit_LoadStorePaired: Make psq_st PIE-compliant

This commit is contained in:
MerryMage 2017-04-12 07:54:32 +01:00
parent a95010bc72
commit 265f0da256
2 changed files with 10 additions and 8 deletions

View File

@ -89,12 +89,12 @@ void Jit64::psq_stXX(UGeckoInstruction inst)
// 0b0011111100000111, or 0x3F07.
MOV(32, R(RSCRATCH2), Imm32(0x3F07));
AND(32, R(RSCRATCH2), PPCSTATE(spr[SPR_GQR0 + i]));
MOVZX(32, 8, RSCRATCH, R(RSCRATCH2));
if (w)
CALLptr(MScaled(RSCRATCH, SCALE_8, PtrOffset(asm_routines.singleStoreQuantized)));
else
CALLptr(MScaled(RSCRATCH, SCALE_8, PtrOffset(asm_routines.pairedStoreQuantized)));
LEA(64, RSCRATCH, M(w ? asm_routines.singleStoreQuantized : asm_routines.pairedStoreQuantized));
// 8-bit operations do not zero upper 32-bits of 64-bit registers.
// Here we know that RSCRATCH's least significant byte is zero.
OR(8, R(RSCRATCH), R(RSCRATCH2));
SHL(8, R(RSCRATCH), Imm8(3));
CALLptr(MatR(RSCRATCH));
}
if (update && jo.memcheck)

View File

@ -243,7 +243,8 @@ constexpr std::array<u8, 8> sizes{{32, 0, 0, 0, 8, 16, 8, 16}};
void CommonAsmRoutines::GenQuantizedStores()
{
pairedStoreQuantized = reinterpret_cast<const u8**>(const_cast<u8*>(AlignCode16()));
// Aligned to 256 bytes as least significant byte needs to be zero (See: Jit64::psq_stXX).
pairedStoreQuantized = reinterpret_cast<const u8**>(const_cast<u8*>(AlignCodeTo(256)));
ReserveCodeSpace(8 * sizeof(u8*));
for (int type = 0; type < 8; type++)
@ -253,7 +254,8 @@ void CommonAsmRoutines::GenQuantizedStores()
// See comment in header for in/outs.
void CommonAsmRoutines::GenQuantizedSingleStores()
{
singleStoreQuantized = reinterpret_cast<const u8**>(const_cast<u8*>(AlignCode16()));
// Aligned to 256 bytes as least significant byte needs to be zero (See: Jit64::psq_stXX).
singleStoreQuantized = reinterpret_cast<const u8**>(const_cast<u8*>(AlignCodeTo(256)));
ReserveCodeSpace(8 * sizeof(u8*));
for (int type = 0; type < 8; type++)