From 7d943d740afb6a42b50c979800608c6fb1614d0c Mon Sep 17 00:00:00 2001 From: Andrew Waterman Date: Mon, 6 Jun 2022 20:36:05 -0700 Subject: Don't mask instruction bits No longer needed, since they are no longer sign-extended. Fixes #1022 by eliminating undefined behavior (64-bit instructions resulted in a shift amount equal to the datatype width). --- riscv/processor.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'riscv/processor.cc') diff --git a/riscv/processor.cc b/riscv/processor.cc index bb41248..c4ca0bc 100644 --- a/riscv/processor.cc +++ b/riscv/processor.cc @@ -796,7 +796,7 @@ void processor_t::take_trap(trap_t& t, reg_t epc) void processor_t::disasm(insn_t insn) { - uint64_t bits = insn.bits() & ((1ULL << (8 * insn_length(insn.bits()))) - 1); + uint64_t bits = insn.bits(); if (last_pc != state.pc || last_bits != bits) { std::stringstream s; // first put everything in a string, later send it to output -- cgit v1.1