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

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llc-beta.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25701 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-01-27 21:49:34 +00:00
parent 8e44f0756f
commit dbd38d7f64
1 changed files with 11 additions and 2 deletions
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13
lib/Target/X86/X86Subtarget.cpp
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@ -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 @@ X86Subtarget::X86Subtarget(const Module &M, const std::string &FS)
// 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.