[llvm-commits] CVS: llvm/lib/Target/ARM/ARMAsmPrinter.cpp ARMTargetAsmInfo.cpp
Evan Cheng
evan.cheng at apple.com
Wed Mar 7 17:25:47 PST 2007
Changes in directory llvm/lib/Target/ARM:
ARMAsmPrinter.cpp updated: 1.58 -> 1.59
ARMTargetAsmInfo.cpp updated: 1.12 -> 1.13
---
Log message:
For Darwin, put constant data into .const, .const_data, .literal{4|8|16}
sections.
---
Diffs of the changes: (+26 -2)
ARMAsmPrinter.cpp | 25 +++++++++++++++++++++++--
ARMTargetAsmInfo.cpp | 3 +++
2 files changed, 26 insertions(+), 2 deletions(-)
Index: llvm/lib/Target/ARM/ARMAsmPrinter.cpp
diff -u llvm/lib/Target/ARM/ARMAsmPrinter.cpp:1.58 llvm/lib/Target/ARM/ARMAsmPrinter.cpp:1.59
--- llvm/lib/Target/ARM/ARMAsmPrinter.cpp:1.58 Thu Mar 1 00:05:39 2007
+++ llvm/lib/Target/ARM/ARMAsmPrinter.cpp Wed Mar 7 19:25:25 2007
@@ -743,7 +743,8 @@
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())
@@ -829,8 +830,28 @@
} 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/ARM/ARMTargetAsmInfo.cpp
diff -u llvm/lib/Target/ARM/ARMTargetAsmInfo.cpp:1.12 llvm/lib/Target/ARM/ARMTargetAsmInfo.cpp:1.13
--- llvm/lib/Target/ARM/ARMTargetAsmInfo.cpp:1.12 Mon Mar 5 11:59:58 2007
+++ llvm/lib/Target/ARM/ARMTargetAsmInfo.cpp Wed Mar 7 19:25:25 2007
@@ -27,6 +27,9 @@
HiddenDirective = "\t.private_extern\t";
JumpTableDataSection = ".const";
CStringSection = "\t.cstring";
+ FourByteConstantSection = "\t.literal4\n";
+ EightByteConstantSection = "\t.literal8\n";
+ ReadOnlySection = "\t.const\n";
HasDotTypeDotSizeDirective = false;
if (TM.getRelocationModel() == Reloc::Static) {
StaticCtorsSection = ".constructor";
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