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Fiddling with stack. Still wrong.

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This commit is contained in:
Ben Vanik
2014-01-26 04:34:29 -08:00
parent 495edda8d8
commit 3e52a99adf
3 changed files with 24 additions and 10 deletions
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16
src/alloy/backend/x64/lowering/lowering_sequences.cc
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@@ -60,6 +60,8 @@ void IssueCall(X64Emitter& e, FunctionInfo* symbol_info, uint32_t flags) {
e.jmp(e.rax);
} else {
e.call(e.rax);
e.mov(e.rdx, e.qword[e.rsp + 8]);
e.mov(e.rcx, e.qword[e.rsp + 0]);
}
}
@@ -514,6 +516,8 @@ void alloy::backend::x64::lowering::RegisterSequences(LoweringTable* table) {
e.mov(e.r8, (uint64_t)str_copy);
e.mov(e.rax, (uint64_t)PrintString);
e.call(e.rax);
e.mov(e.rdx, e.qword[e.rsp + 8]);
e.mov(e.rcx, e.qword[e.rsp + 0]);
i = e.Advance(i);
return true;
});
@@ -624,18 +628,18 @@ void alloy::backend::x64::lowering::RegisterSequences(LoweringTable* table) {
});
table->AddSequence(OPCODE_RETURN, [](X64Emitter& e, Instr*& i) {
e.ret();
// If this is the last instruction in the last block, just let us
// fall through.
if (i->next || i->block->next) {
e.jmp("epilog");
}
i = e.Advance(i);
return true;
});
table->AddSequence(OPCODE_RETURN_TRUE, [](X64Emitter& e, Instr*& i) {
e.inLocalLabel();
CheckBoolean(e, i->src1.value);
e.jne(".x", e.T_SHORT);
e.ret();
e.L(".x");
e.outLocalLabel();
e.je("epilog");
i = e.Advance(i);
return true;
});