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Two changes: 

1. Default to having V9 instructions, instead of just V8.
2. unless -enable-sparc-v9-insts is passed, disable V9 (for use with llcbeta)

llvm-svn: 25807
This commit is contained in:
Chris Lattner 2006-01-30 04:57:43 +00:00
parent af209b8b13
commit 238fe93242
1 changed files with 11 additions and 0 deletions
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11
llvm/lib/Target/SparcV8/SparcV8Subtarget.cpp
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@ -15,6 +15,13 @@
#include "SparcV8GenSubtarget.inc" #include "SparcV8GenSubtarget.inc"
using namespace llvm; using namespace llvm;
// FIXME: temporary.
#include "llvm/Support/CommandLine.h"
namespace {
cl::opt<bool> EnableV9("enable-sparc-v9-insts", cl::Hidden,
cl::desc("Enable V9 instructions in the V8 target"));
}
SparcV8Subtarget::SparcV8Subtarget(const Module &M, const std::string &FS) { SparcV8Subtarget::SparcV8Subtarget(const Module &M, const std::string &FS) {
// Set the default features. // Set the default features.
IsV9 = false; IsV9 = false;
@ -25,8 +32,12 @@ SparcV8Subtarget::SparcV8Subtarget(const Module &M, const std::string &FS) {
std::string CPU = "generic"; std::string CPU = "generic";
// FIXME: autodetect host here! // FIXME: autodetect host here!
CPU = "v9"; // What is a good way to detect V9?
// Parse features string. // Parse features string.
ParseSubtargetFeatures(FS, CPU); ParseSubtargetFeatures(FS, CPU);
// Unless explicitly enabled, disable the V9 instructions.
if (!EnableV9)
IsV9 = false;
}; };