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Various fixes.

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This commit is contained in:
Ben Vanik
2014-01-28 23:51:40 -08:00
parent 0ec8e32861
commit bdee924494
5 changed files with 23 additions and 11 deletions
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5
src/alloy/backend/x64/x64_emitter.cc
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@@ -132,7 +132,7 @@ int X64Emitter::Emit(HIRBuilder* builder) {
// X64CodeCache, which dynamically generates exception information.
// Adding or changing anything here must be matched!
const bool emit_prolog = true;
const size_t stack_size = 64;
const size_t stack_size = 72;
if (emit_prolog) {
mov(qword[rsp + 8], rcx);
sub(rsp, stack_size);
@@ -238,7 +238,8 @@ void X64Emitter::EvictStaleRegisters() {
// Register is live, not active. Check and see if we get rid of it.
auto v = reg_state_.reg_values[n];
if (v->last_use->ordinal < current_ordinal) {
if (!v->last_use ||
v->last_use->ordinal < current_ordinal) {
reg_state_.reg_values[n] = NULL;
v->reg = -1;
continue;