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Fixing <8b memory accesses.

This commit is contained in:
Ben Vanik 2013-05-26 00:43:53 -07:00
parent 0855fe7014
commit 7febbe0f86
1 changed files with 6 additions and 3 deletions
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9
src/xenia/cpu/x64/x64_emitter.cc
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@ -1555,14 +1555,17 @@ GpVar X64Emitter::ReadMemory(
bool needs_swap = false; bool needs_swap = false;
switch (size) { switch (size) {
case 1: case 1:
c.mov(value, byte_ptr(real_address)); c.mov(value.r8(), byte_ptr(real_address));
c.and_(value, imm(0xFF));
break; break;
case 2: case 2:
c.mov(value, word_ptr(real_address)); c.mov(value.r16(), word_ptr(real_address));
c.and_(value, imm(0xFFFF));
c.xchg(value.r8Lo(), value.r8Hi()); c.xchg(value.r8Lo(), value.r8Hi());
break; break;
case 4: case 4:
c.mov(value, dword_ptr(real_address)); c.mov(value.r32(), dword_ptr(real_address));
// No need to and -- the mov to e*x will extend for us.
c.bswap(value.r32()); c.bswap(value.r32());
break; break;
case 8: case 8: