Initial commit.

2011-06-21 06:23:29 -07:00
commit 18af5226ba
587 changed files with 45117 additions and 0 deletions
--- a/ispc.cpp
+++ b/ispc.cpp
@@ -0,0 +1,137 @@
+/*
+  Copyright (c) 2010-2011, Intel Corporation
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are
+  met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+    * Neither the name of Intel Corporation nor the names of its
+      contributors may be used to endorse or promote products derived from
+      this software without specific prior written permission.
+
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+   IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+   TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+   PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
+*/
+
+/** @file ispc.cpp
+    @brief ispc global definitions
+*/
+
+#include "ispc.h"
+#include "module.h"
+#include "util.h"
+#include <stdio.h>
+#ifdef ISPC_IS_WINDOWS
+#include <windows.h>
+#include <direct.h>
+#endif
+#include <llvm/LLVMContext.h>
+#include <llvm/Module.h>
+#ifndef LLVM_2_8
+#include <llvm/Analysis/DIBuilder.h>
+#endif
+#include <llvm/Analysis/DebugInfo.h>
+#include <llvm/Support/Dwarf.h>
+
+Globals *g;
+Module *m;
+
+///////////////////////////////////////////////////////////////////////////
+// Target
+
+Target::Target() {
+    arch = "x86-64";
+    cpu = "nehalem";
+    isa = SSE4;
+    nativeVectorWidth = 4;
+    vectorWidth = 4;
+}
+
+///////////////////////////////////////////////////////////////////////////
+// Opt
+
+Opt::Opt() {
+    level = 1;
+    fastMath = false;
+    disableBlendedMaskedStores = false;
+    disableCoherentControlFlow = false;
+    disableUniformControlFlow = false;
+    disableGatherScatterOptimizations = false;
+    disableMaskedStoreToStore = false;
+    disableGatherScatterFlattening = false;
+    disableUniformMemoryOptimizations = false;
+    disableMaskedStoreOptimizations = false;
+}
+
+///////////////////////////////////////////////////////////////////////////
+// Globals
+
+Globals::Globals() {
+    mathLib = Globals::Math_ISPC;
+
+    includeStdlib = true;
+    runCPP = true;
+    debugPrint = false;
+    disableWarnings = false;
+    emitPerfWarnings = true;
+    emitInstrumentation = false;
+    generateDebuggingSymbols = false;
+
+    ctx = new llvm::LLVMContext;
+
+#ifdef ISPC_IS_WINDOWS
+    _getcwd(currentDirectory, sizeof(currentDirectory));
+#else
+    getcwd(currentDirectory, sizeof(currentDirectory));
+#endif
+}
+
+///////////////////////////////////////////////////////////////////////////
+// ASTNode
+
+ASTNode::~ASTNode() {
+}
+
+///////////////////////////////////////////////////////////////////////////
+// SourcePos
+
+SourcePos::SourcePos(const char *n, int l, int c) {
+    name = n ? n : m->module->getModuleIdentifier().c_str();
+    first_line = last_line = l;
+    first_column = last_column = c;
+}
+
+llvm::DIFile SourcePos::GetDIFile() const {
+#ifdef LLVM_2_8
+    return llvm::DIFile();
+#else
+    std::string directory, filename;
+    GetDirectoryAndFileName(g->currentDirectory, name, &directory, &filename);
+    return m->diBuilder->createFile(filename, directory);
+#endif // LLVM_2_8
+}
+
+
+void
+SourcePos::Print() const { 
+    printf(" @ [%s:%d.%d - %d.%d] ", name, first_line, first_column,
+           last_line, last_column); 
+}