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| author | Douglas Katzman <dougk@google.com> | 2015-06-26 16:58:59 +0000 |
|---|---|---|
| committer | Douglas Katzman <dougk@google.com> | 2015-06-26 16:58:59 +0000 |
| commit | 289ec857d22c784af27b9b3d3c6b9c711e36284a (patch) | |
| tree | 61fa1324214029bf739938f0b62105fb69f21027 /llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp | |
| parent | 1213dbf1fd97619ef1fbe8397cf71adcb8743f43 (diff) | |
| download | bcm5719-llvm-289ec857d22c784af27b9b3d3c6b9c711e36284a.tar.gz bcm5719-llvm-289ec857d22c784af27b9b3d3c6b9c711e36284a.zip | |
[X86]: Correctly sign-extend 16-bit immediate in CALL instruction.
Patch by Matthew Barney. Thanks!
Differential Revision: http://reviews.llvm.org/D9514
llvm-svn: 240795
Diffstat (limited to 'llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp b/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp index 6e99c37c2bc..cfc3ee2fb08 100644 --- a/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp +++ b/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp @@ -551,9 +551,15 @@ static void translateImmediate(MCInst &mcInst, uint64_t immediate, case TYPE_REL8: isBranch = true; pcrel = insn.startLocation + insn.immediateOffset + insn.immediateSize; - if(immediate & 0x80) + if (immediate & 0x80) immediate |= ~(0xffull); break; + case TYPE_REL16: + isBranch = true; + pcrel = insn.startLocation + insn.immediateOffset + insn.immediateSize; + if (immediate & 0x8000) + immediate |= ~(0xffffull); + break; case TYPE_REL32: case TYPE_REL64: isBranch = true; |
