Add a new MC bit for NaCl (Native Client) mode. NaCl requires that certain
instructions are more aligned than the CPU requires, and adds some additional
directives, to follow in future patches. Patch by David Meyer!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139125 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index be77d87..32493de 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -260,7 +260,8 @@
// FIXME: this is a known good value for Yonah. How about others?
, MaxInlineSizeThreshold(128)
, TargetTriple(TT)
- , In64BitMode(is64Bit) {
+ , In64BitMode(is64Bit)
+ , InNaClMode(false) {
// Determine default and user specified characteristics
if (!FS.empty() || !CPU.empty()) {
std::string CPUName = CPU;
@@ -306,6 +307,11 @@
if (In64BitMode)
ToggleFeature(X86::Mode64Bit);
+ if (isTargetNaCl()) {
+ InNaClMode = true;
+ ToggleFeature(X86::ModeNaCl);
+ }
+
if (HasAVX)
X86SSELevel = NoMMXSSE;