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Sets the section names for fixed-size constants and use the mergeable

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flag for ELF on x86 so that duplicate constants can be eliminated by
the linker. This matches what GCC does with its -fmerge-constants
option, which is enabled at most -O levels.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36666 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2007-05-03 16:38:57 +00:00
parent 4604023412
commit 6f858e250b
1 changed files with 5 additions and 0 deletions
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5
lib/Target/X86/X86TargetAsmInfo.cpp
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@ -107,6 +107,11 @@ X86TargetAsmInfo::X86TargetAsmInfo(const X86TargetMachine &TM) {
// HasDotFile - True if target asm supports .file directives.
// bool HasDotFile; // Defaults to false.
ReadOnlySection = "\t.section\t.rodata\n";
FourByteConstantSection = "\t.section\t.rodata.cst4,\"aM\",@progbits,4";
EightByteConstantSection = "\t.section\t.rodata.cst8,\"aM\",@progbits,8";
SixteenByteConstantSection =
"\t.section\t.rodata.cst16,\"aM\",@progbits,16";
CStringSection = "\t.section\t.rodata.str1.1,\"aMS\",@progbits,1";
PrivateGlobalPrefix = ".L";
WeakRefDirective = "\t.weak\t";
SetDirective = "\t.set\t";