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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 | bbc65bbb90e38a4066f0d4f5b403f85c1fecdf13 (patch) | |
| tree | 051fe8a9dc55ac0668d71c70a3e9aab68dfb11ef /lib/Target/ARM | |
| parent | 40f16cf91d8469b8198990d2649a8cc81b558277 (diff) | |
| download | external_llvm-bbc65bbb90e38a4066f0d4f5b403f85c1fecdf13.zip external_llvm-bbc65bbb90e38a4066f0d4f5b403f85c1fecdf13.tar.gz external_llvm-bbc65bbb90e38a4066f0d4f5b403f85c1fecdf13.tar.bz2 | |
ARM disassembler should flag (rGPRRegClassID, r13|r15) as an error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128913 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM')
| -rw-r--r-- | lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp b/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp index 993ff73..cc7f0d6 100644 --- a/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp +++ b/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 = |