diff options
| -rw-r--r-- | opcodes/ChangeLog | 5 | ||||
| -rw-r--r-- | opcodes/cgen-dis.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 0dab08e..20e0524 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,8 @@ +2021-06-22 Andrew Burgess <andrew.burgess@embecosm.com> + + * cgen-dis.c (count_decodable_bits): Use __builtin_popcount when + available. + 2021-06-22 Alan Modra <amodra@gmail.com> * pj-dis.c (print_insn_pj): Don't print trailing tab. Do diff --git a/opcodes/cgen-dis.c b/opcodes/cgen-dis.c index 6a93060..1a5d1ae 100644 --- a/opcodes/cgen-dis.c +++ b/opcodes/cgen-dis.c @@ -40,6 +40,9 @@ static int count_decodable_bits (const CGEN_INSN *insn) { unsigned mask = CGEN_INSN_BASE_MASK (insn); +#if GCC_VERSION >= 3004 + return __builtin_popcount (mask); +#else int bits = 0; unsigned m; @@ -49,6 +52,7 @@ count_decodable_bits (const CGEN_INSN *insn) ++bits; } return bits; +#endif } /* Add an instruction to the hash chain. */ |