It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
new file mode 100644
index 0000000..01c78b7
--- /dev/null
+++ b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
@@ -0,0 +1,96 @@
+//===-- PPCTargetAsmInfo.cpp - PPC asm properties ---------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by James M. Laskey and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the declarations of the DarwinTargetAsmInfo properties.
+//
+//===----------------------------------------------------------------------===//
+
+#include "PPCTargetAsmInfo.h"
+#include "PPCTargetMachine.h"
+#include "llvm/Function.h"
+using namespace llvm;
+
+PPCTargetAsmInfo::PPCTargetAsmInfo(const PPCTargetMachine &TM) {
+ bool isPPC64 = TM.getSubtargetImpl()->isPPC64();
+
+ ZeroDirective = "\t.space\t";
+ SetDirective = "\t.set";
+ Data64bitsDirective = isPPC64 ? "\t.quad\t" : 0;
+ AlignmentIsInBytes = false;
+ LCOMMDirective = "\t.lcomm\t";
+ InlineAsmStart = "# InlineAsm Start";
+ InlineAsmEnd = "# InlineAsm End";
+ AssemblerDialect = TM.getSubtargetImpl()->getAsmFlavor();
+
+ NeedsSet = true;
+ AddressSize = isPPC64 ? 8 : 4;
+ DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
+ DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
+ DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
+ DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
+ DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
+ DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
+ DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
+ DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
+ DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
+ DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
+ DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
+ DwarfEHFrameSection =
+ ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
+ DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
+}
+
+DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
+: PPCTargetAsmInfo(TM)
+{
+ PCSymbol = ".";
+ CommentString = ";";
+ GlobalPrefix = "_";
+ PrivateGlobalPrefix = "L";
+ ConstantPoolSection = "\t.const\t";
+ JumpTableDataSection = ".const";
+ GlobalDirective = "\t.globl\t";
+ CStringSection = "\t.cstring";
+ FourByteConstantSection = "\t.literal4\n";
+ EightByteConstantSection = "\t.literal8\n";
+ ReadOnlySection = "\t.const\n";
+ if (TM.getRelocationModel() == Reloc::Static) {
+ StaticCtorsSection = ".constructor";
+ StaticDtorsSection = ".destructor";
+ } else {
+ StaticCtorsSection = ".mod_init_func";
+ StaticDtorsSection = ".mod_term_func";
+ }
+ UsedDirective = "\t.no_dead_strip\t";
+ WeakRefDirective = "\t.weak_reference\t";
+ HiddenDirective = "\t.private_extern\t";
+ SupportsExceptionHandling = true;
+
+ // In non-PIC modes, emit a special label before jump tables so that the
+ // linker can perform more accurate dead code stripping.
+ if (TM.getRelocationModel() != Reloc::PIC_) {
+ // Emit a local label that is preserved until the linker runs.
+ JumpTableSpecialLabelPrefix = "l";
+ }
+}
+
+LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM)
+: PPCTargetAsmInfo(TM)
+{
+ CommentString = "#";
+ GlobalPrefix = "";
+ PrivateGlobalPrefix = "";
+ ConstantPoolSection = "\t.section .rodata.cst4\t";
+ JumpTableDataSection = ".section .rodata.cst4";
+ CStringSection = "\t.section\t.rodata";
+ StaticCtorsSection = ".section\t.ctors,\"aw\",@progbits";
+ StaticDtorsSection = ".section\t.dtors,\"aw\",@progbits";
+ UsedDirective = "\t# .no_dead_strip\t";
+ WeakRefDirective = "\t.weak\t";
+}