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Smaller function alignment when optimizing for size. 

llvm-svn: 48805
This commit is contained in:
Evan Cheng 2008-03-25 22:29:46 +00:00
parent 88c44ef91f
commit ddc58ff92a
3 changed files with 8 additions and 6 deletions
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2
llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
View File

@ -819,7 +819,7 @@ bool DarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
if (const char *Directive = TAI->getHiddenDirective())
O << Directive << CurrentFnName << "\n";
EmitAlignment(4, F);
EmitAlignment(OptimizeForSize ? 2 : 4, F);
O << CurrentFnName << ":\n";
// Emit pre-function debug information.

7
llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
View File

@ -98,21 +98,22 @@ bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
unsigned FnAlign = OptimizeForSize ? 1 : 4;
switch (F->getLinkage()) {
default: assert(0 && "Unknown linkage type!");
case Function::InternalLinkage: // Symbols default to internal.
EmitAlignment(4, F);
EmitAlignment(FnAlign, F);
break;
case Function::DLLExportLinkage:
DLLExportedFns.insert(Mang->makeNameProper(F->getName(), ""));
//FALLS THROUGH
case Function::ExternalLinkage:
EmitAlignment(4, F);
EmitAlignment(FnAlign, F);
O << "\t.globl\t" << CurrentFnName << "\n";
break;
case Function::LinkOnceLinkage:
case Function::WeakLinkage:
EmitAlignment(4, F);
EmitAlignment(FnAlign, F);
if (Subtarget->isTargetDarwin()) {
O << "\t.globl\t" << CurrentFnName << "\n";
O << TAI->getWeakDefDirective() << CurrentFnName << "\n";

5
llvm/lib/Target/X86/X86IntelAsmPrinter.cpp
View File

@ -57,17 +57,18 @@ bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
unsigned FnAlign = OptimizeForSize ? 1 : 4;
switch (F->getLinkage()) {
default: assert(0 && "Unsupported linkage type!");
case Function::InternalLinkage:
EmitAlignment(4);
EmitAlignment(FnAlign);
break;
case Function::DLLExportLinkage:
DLLExportedFns.insert(CurrentFnName);
//FALLS THROUGH
case Function::ExternalLinkage:
O << "\tpublic " << CurrentFnName << "\n";
EmitAlignment(4);
EmitAlignment(FnAlign);
break;
}