From 23cbb1c78a6de399b318f68577469b0a566b0faa Mon Sep 17 00:00:00 2001 From: Reid Spencer Date: Thu, 8 Feb 2007 00:29:31 +0000 Subject: For PR1188: Compute BitMask correctly. Patch by Leo (wenwenti@hotmail.com). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34026 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/ExecutionEngine/Interpreter/Execution.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'lib/ExecutionEngine/Interpreter/Execution.cpp') diff --git a/lib/ExecutionEngine/Interpreter/Execution.cpp b/lib/ExecutionEngine/Interpreter/Execution.cpp index 565915bb5a..fe80dfddd6 100644 --- a/lib/ExecutionEngine/Interpreter/Execution.cpp +++ b/lib/ExecutionEngine/Interpreter/Execution.cpp @@ -1307,7 +1307,7 @@ void Interpreter::visitAShr(BinaryOperator &I) { #define INTEGER_ASSIGN(DEST, BITWIDTH, VAL) \ { \ - uint64_t Mask = (1ull << BITWIDTH) - 1; \ + uint64_t Mask = ~(uint64_t)(0ull) >> (64-BITWIDTH); \ if (BITWIDTH == 1) { \ Dest.Int1Val = (bool) (VAL & Mask); \ } else if (BITWIDTH <= 8) { \ -- cgit v1.2.3-18-g5258