[llvm-commits] CVS: llvm/lib/Target/X86/X86Subtarget.cpp

[Evan Cheng]

Changes in directory llvm/lib/Target/X86:

X86Subtarget.cpp updated: 1.12 -> 1.13
---
Log message:

Added a temporary option -enable-x86-sse to enable sse support. It is used by
llc-beta.


---
Diffs of the changes:  (+11 -2)

 X86Subtarget.cpp |   13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)


Index: llvm/lib/Target/X86/X86Subtarget.cpp
diff -u llvm/lib/Target/X86/X86Subtarget.cpp:1.12 llvm/lib/Target/X86/X86Subtarget.cpp:1.13
--- llvm/lib/Target/X86/X86Subtarget.cpp:1.12	Fri Jan 27 13:30:30 2006
+++ llvm/lib/Target/X86/X86Subtarget.cpp	Fri Jan 27 15:49:34 2006
@@ -16,6 +16,13 @@
 #include "X86GenSubtarget.inc"
 using namespace llvm;
 
+// FIXME: temporary.
+#include "llvm/Support/CommandLine.h"
+namespace {
+  cl::opt<bool> EnableSSE("enable-x86-sse", cl::Hidden,
+                          cl::desc("Enable sse on X86"));
+}
+
 static void GetCpuIDAndInfo(unsigned value, unsigned *EAX, unsigned *EBX,
                             unsigned *ECX, unsigned *EDX) {
 #if defined(i386) || defined(__i386__) || defined(__x86__) || defined(_M_IX86)
@@ -96,8 +103,10 @@
   
   // FIXME: Force these off until they work.  An llc-beta option should turn
   // them back on.
-  X86SSELevel = NoMMXSSE;
-  X863DNowLevel = NoThreeDNow;
+  if (!EnableSSE) {
+    X86SSELevel = NoMMXSSE;
+    X863DNowLevel = NoThreeDNow;
+  }
       
   // Set the boolean corresponding to the current target triple, or the default
   // if one cannot be determined, to true.