diff options
Diffstat (limited to 'lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp')
| -rw-r--r-- | lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp b/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp index 0657475..021c082 100644 --- a/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp +++ b/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp @@ -60,6 +60,8 @@ public: SmallVectorImpl<MCFixup> &Fixups) const; unsigned getTLSRegEncoding(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups) const; + unsigned getTLSCallEncoding(const MCInst &MI, unsigned OpNo, + SmallVectorImpl<MCFixup> &Fixups) const; unsigned get_crbitm_encoding(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups) const; @@ -80,7 +82,7 @@ public: unsigned Size = 4; // FIXME: Have Desc.getSize() return the correct value! unsigned Opcode = MI.getOpcode(); if (Opcode == PPC::BL8_NOP || Opcode == PPC::BLA8_NOP || - Opcode == PPC::BL8_NOP_TLSGD || Opcode == PPC::BL8_NOP_TLSLD) + Opcode == PPC::BL8_NOP_TLS) Size = 8; // Output the constant in big endian byte order. @@ -113,17 +115,6 @@ getDirectBrEncoding(const MCInst &MI, unsigned OpNo, // Add a fixup for the branch target. Fixups.push_back(MCFixup::Create(0, MO.getExpr(), (MCFixupKind)PPC::fixup_ppc_br24)); - - // For special TLS calls, add another fixup for the symbol. Apparently - // BL8_NOP, BL8_NOP_TLSGD, and BL8_NOP_TLSLD are sufficiently - // similar that TblGen will not generate a separate case for the latter - // two, so this is the only way to get the extra fixup generated. - unsigned Opcode = MI.getOpcode(); - if (Opcode == PPC::BL8_NOP_TLSGD || Opcode == PPC::BL8_NOP_TLSLD) { - const MCOperand &MO2 = MI.getOperand(OpNo+1); - Fixups.push_back(MCFixup::Create(0, MO2.getExpr(), - (MCFixupKind)PPC::fixup_ppc_nofixup)); - } return 0; } @@ -222,6 +213,17 @@ unsigned PPCMCCodeEmitter::getTLSRegEncoding(const MCInst &MI, unsigned OpNo, return CTX.getRegisterInfo()->getEncodingValue(PPC::X13); } +unsigned PPCMCCodeEmitter::getTLSCallEncoding(const MCInst &MI, unsigned OpNo, + SmallVectorImpl<MCFixup> &Fixups) const { + // For special TLS calls, we need two fixups; one for the branch target + // (__tls_get_addr), which we create via getDirectBrEncoding as usual, + // and one for the TLSGD or TLSLD symbol, which is emitted here. + const MCOperand &MO = MI.getOperand(OpNo+1); + Fixups.push_back(MCFixup::Create(0, MO.getExpr(), + (MCFixupKind)PPC::fixup_ppc_nofixup)); + return getDirectBrEncoding(MI, OpNo, Fixups); +} + unsigned PPCMCCodeEmitter:: get_crbitm_encoding(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups) const { |