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Get rid of the separate opcodes for the Darwin versions of tBL, tBLXi, and tBLXr, using pseudo-instructions to lower to the single final opcode. Update the ARM disassembler for this change.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135319 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2011-07-15 22:49:31 +00:00
parent 75b10047fc
commit 49e163b6c7
3 changed files with 28 additions and 55 deletions
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8
utils/TableGen/ARMDecoderEmitter.cpp
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@ -1619,10 +1619,6 @@ ARMDEBackend::populateInstruction(const CodeGenInstruction &CGI,
if (Name == "tSTMIA")
return false;
// On Darwin R9 is call-clobbered. Ignore the non-Darwin counterparts.
if (Name == "tBL" || Name == "tBLXi" || Name == "tBLXr")
return false;
// A8.6.25 BX. Use the generic tBX_Rm, ignore tBX_RET and tBX_RET_vararg.
if (Name == "tBX_RET" || Name == "tBX_RET_vararg")
return false;
@ -1654,14 +1650,12 @@ ARMDEBackend::populateInstruction(const CodeGenInstruction &CGI,
// Resolve conflicts:
//
// tBfar conflicts with tBLr9
// t2LDMIA_RET conflict with t2LDM (ditto)
// tMOVCCi conflicts with tMOVi8
// tMOVCCr conflicts with tMOVgpr2gpr
// tLDRcp conflicts with tLDRspi
// t2MOVCCi16 conflicts with tMOVi16
if (Name == "tBfar" ||
Name == "t2LDMIA_RET" ||
if (Name == "t2LDMIA_RET" ||
Name == "tMOVCCi" || Name == "tMOVCCr" ||
Name == "tLDRcp" ||
Name == "t2MOVCCi16")