From 4cbee4620ab9f0a01b34d8da19e2786389f730a1 Mon Sep 17 00:00:00 2001
From: Ben Vanik <ben.vanik@gmail.com>
Date: Sun, 12 Jan 2014 17:19:37 -0800
Subject: [PATCH] Fixing branch CTR compare. Maybe.

---
 src/alloy/frontend/ppc/ppc_emit_control.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/alloy/frontend/ppc/ppc_emit_control.cc b/src/alloy/frontend/ppc/ppc_emit_control.cc
index cfc314608..eb2205baa 100644
--- a/src/alloy/frontend/ppc/ppc_emit_control.cc
+++ b/src/alloy/frontend/ppc/ppc_emit_control.cc
@@ -138,6 +138,7 @@ XEEMITTER(bcx,          0x40000000, B  )(PPCHIRBuilder& f, InstrData& i) {
     ctr = f.Sub(ctr, f.LoadConstant((int64_t)1));
     f.StoreCTR(ctr);
     // Ctr check.
+    ctr = f.Truncate(ctr, INT32_TYPE);
     // TODO(benvanik): could do something similar to cond and avoid the
     // is_true/branch_true pairing.
     if (XESELECTBITS(i.B.BO, 1, 1)) {
@@ -243,6 +244,7 @@ XEEMITTER(bclrx,        0x4C000020, XL )(PPCHIRBuilder& f, InstrData& i) {
     ctr = f.Sub(ctr, f.LoadConstant((int64_t)1));
     f.StoreCTR(ctr);
     // Ctr check.
+    ctr = f.Truncate(ctr, INT32_TYPE);
     // TODO(benvanik): could do something similar to cond and avoid the
     // is_true/branch_true pairing.
     if (XESELECTBITS(i.XL.BO, 1, 1)) {