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Early return. NFC. 

llvm-svn: 272915
This commit is contained in:
Rui Ueyama 2016-06-16 16:40:36 +00:00
parent 7020f255b1
commit d089a43de4
1 changed files with 11 additions and 12 deletions
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23
lld/ELF/Target.cpp
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@ -1414,20 +1414,19 @@ void AArch64TargetInfo::relaxTlsIeToLe(uint8_t *Loc, uint32_t Type,
uint64_t Val) const {
checkUInt<32>(Val, Type);
uint32_t Inst = read32le(Loc);
uint32_t NewInst;
if (Type == R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21) {
// Generate movz.
unsigned RegNo = (Inst & 0x1f);
NewInst = (0xd2a00000 | RegNo) | (((Val >> 16) & 0xffff) << 5);
} else if (Type == R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC) {
// Generate movk
unsigned RegNo = (Inst & 0x1f);
NewInst = (0xf2800000 | RegNo) | ((Val & 0xffff) << 5);
} else {
llvm_unreachable("invalid Relocation for TLS IE to LE Relax");
// Generate MOVZ.
uint32_t RegNo = read32le(Loc) & 0x1f;
write32le(Loc, (0xd2a00000 | RegNo) | (((Val >> 16) & 0xffff) << 5));
return;
}
write32le(Loc, NewInst);
if (Type == R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC) {
// Generate MOVK.
uint32_t RegNo = read32le(Loc) & 0x1f;
write32le(Loc, (0xf2800000 | RegNo) | ((Val & 0xffff) << 5));
return;
}
llvm_unreachable("invalid relocation for TLS IE to LE relaxation");
}
// Implementing relocations for AMDGPU is low priority since most