Changes in directory llvm/lib/Target/X86:
X86AsmPrinter.cpp updated: 1.235 -> 1.236
X86TargetAsmInfo.cpp updated: 1.33 -> 1.34
---
Log message:
Put constant data to .const, .const_data, .literal{4|8|16} sections.
---
Diffs of the changes: (+25 -2)
X86AsmPrinter.cpp | 25 +++++++++++++++++++++++--
X86TargetAsmInfo.cpp | 2 ++
2 files changed, 25 insertions(+), 2 deletions(-)
Index: llvm/lib/Target/X86/X86AsmPrinter.cpp
diff -u llvm/lib/Target/X86/X86AsmPrinter.cpp:1.235
llvm/lib/Target/X86/X86AsmPrinter.cpp:1.236
--- llvm/lib/Target/X86/X86AsmPrinter.cpp:1.235 Thu Mar 1 10:29:22 2007
+++ llvm/lib/Target/X86/X86AsmPrinter.cpp Wed Mar 7 19:07:07 2007
@@ -145,7 +145,8 @@
std::string name = Mang->getValueName(I);
Constant *C = I->getInitializer();
- unsigned Size = TD->getTypeSize(C->getType());
+ const Type *Type = C->getType();
+ unsigned Size = TD->getTypeSize(Type);
unsigned Align = TD->getPreferredAlignmentLog(I);
if (I->hasHiddenVisibility())
@@ -250,8 +251,28 @@
} else {
if (C->isNullValue() && !NoZerosInBSS && TAI->getBSSSection())
SwitchToDataSection(TAI->getBSSSection(), I);
- else
+ else if (!I->isConstant())
SwitchToDataSection(TAI->getDataSection(), I);
+ else {
+ // Read-only data.
+ bool isIntFPLiteral = Type->isInteger() || Type->isFloatingPoint();
+ if (C->ContainsRelocations() && Subtarget->isTargetDarwin() &&
+ TM.getRelocationModel() != Reloc::Static)
+ SwitchToDataSection("\t.const_data\n");
+ else if (isIntFPLiteral && Size == 4 &&
+ TAI->getFourByteConstantSection())
+ SwitchToDataSection(TAI->getFourByteConstantSection(), I);
+ else if (isIntFPLiteral && Size == 8 &&
+ TAI->getEightByteConstantSection())
+ SwitchToDataSection(TAI->getEightByteConstantSection(), I);
+ else if (isIntFPLiteral && Size == 16 &&
+ TAI->getSixteenByteConstantSection())
+ SwitchToDataSection(TAI->getSixteenByteConstantSection(), I);
+ else if (TAI->getReadOnlySection())
+ SwitchToDataSection(TAI->getReadOnlySection(), I);
+ else
+ SwitchToDataSection(TAI->getDataSection(), I);
+ }
}
break;
Index: llvm/lib/Target/X86/X86TargetAsmInfo.cpp
diff -u llvm/lib/Target/X86/X86TargetAsmInfo.cpp:1.33
llvm/lib/Target/X86/X86TargetAsmInfo.cpp:1.34
--- llvm/lib/Target/X86/X86TargetAsmInfo.cpp:1.33 Tue Mar 6 20:47:57 2007
+++ llvm/lib/Target/X86/X86TargetAsmInfo.cpp Wed Mar 7 19:07:07 2007
@@ -56,6 +56,7 @@
EightByteConstantSection = "\t.literal8\n";
if (Subtarget->is64Bit())
SixteenByteConstantSection = "\t.literal16\n";
+ ReadOnlySection = "\t.const\n";
LCOMMDirective = "\t.lcomm\t";
COMMDirectiveTakesAlignment = false;
HasDotTypeDotSizeDirective = false;
@@ -103,6 +104,7 @@
// bool HasDotLoc; // Defaults to false.
// HasDotFile - True if target asm supports .file directives.
// bool HasDotFile; // Defaults to false.
+ ReadOnlySection = "\t.section\t.rodata\n";
PrivateGlobalPrefix = ".L";
WeakRefDirective = "\t.weak\t";
DwarfRequiresFrameSection = false;
_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
