diff options
| -rw-r--r-- | lib/MC/MCParser/AsmLexer.cpp | 12 | ||||
| -rw-r--r-- | test/MC/X86/x86-64.s | 4 |
2 files changed, 10 insertions, 6 deletions
diff --git a/lib/MC/MCParser/AsmLexer.cpp b/lib/MC/MCParser/AsmLexer.cpp index e474a1501c..5c617bc93d 100644 --- a/lib/MC/MCParser/AsmLexer.cpp +++ b/lib/MC/MCParser/AsmLexer.cpp @@ -184,12 +184,12 @@ AsmToken AsmLexer::LexDigit() { long long Value; if (Result.getAsInteger(10, Value)) { - // We have to handle minint_as_a_positive_value specially, because - // - minint_as_a_positive_value = minint and it is valid. - if (Result == "9223372036854775808") - Value = -9223372036854775808ULL; - else - return ReturnError(TokStart, "Invalid decimal number"); + // Allow positive values that are too large to fit into a signed 64-bit + // integer, but that do fit in an unsigned one, we just convert them over. + unsigned long long UValue; + if (Result.getAsInteger(10, UValue)) + return ReturnError(TokStart, "invalid decimal number"); + Value = (long long)UValue; } // The darwin/x86 (and x86-64) assembler accepts and ignores ULL and LL diff --git a/test/MC/X86/x86-64.s b/test/MC/X86/x86-64.s index a285c6f645..5375919d55 100644 --- a/test/MC/X86/x86-64.s +++ b/test/MC/X86/x86-64.s @@ -916,3 +916,7 @@ movq %mm5, %rbx // CHECK: movd %mm5, %rbx # encoding: [0x48,0x0f,0x7e,0xeb] rex64 // CHECK: rex64 # encoding: [0x48] data16 // CHECK: data16 # encoding: [0x66] + +// PR8855 +movq 18446744073709551615,%rbx // CHECK: movq -1, %rbx + |