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| author | Johnny Chen <johnny.chen@apple.com> | 2011-04-05 19:42:11 +0000 |
|---|---|---|
| committer | Johnny Chen <johnny.chen@apple.com> | 2011-04-05 19:42:11 +0000 |
| commit | 151582492d24b94356b7489b0cb2685a57b5c473 (patch) | |
| tree | 34eca69bd460c837d8f6c78ba14e48c64b30a902 /llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp | |
| parent | 40d388c25e28cdb4644e4f2b340600da717e6d8e (diff) | |
| download | bcm5719-llvm-151582492d24b94356b7489b0cb2685a57b5c473.tar.gz bcm5719-llvm-151582492d24b94356b7489b0cb2685a57b5c473.zip | |
ARM disassembler should flag (rGPRRegClassID, r13|r15) as an error.
llvm-svn: 128913
Diffstat (limited to 'llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp b/llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp index 993ff7302f6..cc7f0d6e60c 100644 --- a/llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp +++ b/llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp @@ -82,8 +82,16 @@ const char *ARMUtils::OpcodeName(unsigned Opcode) { // FIXME: Auto-gened? static unsigned getRegisterEnum(BO B, unsigned RegClassID, unsigned RawRegister) { - // For this purpose, we can treat rGPR as if it were GPR. - if (RegClassID == ARM::rGPRRegClassID) RegClassID = ARM::GPRRegClassID; + if (RegClassID == ARM::rGPRRegClassID) { + // Check for The register numbers 13 and 15 that are not permitted for many + // Thumb register specifiers. + if (RawRegister == 13 || RawRegister == 15) { + B->SetErr(-1); + return 0; + } + // For this purpose, we can treat rGPR as if it were GPR. + RegClassID = ARM::GPRRegClassID; + } // See also decodeNEONRd(), decodeNEONRn(), decodeNEONRm(). unsigned RegNum = |
