diff options
Diffstat (limited to 'src/cpu/x86/vm/x86_64.ad')
| -rw-r--r-- | src/cpu/x86/vm/x86_64.ad | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/cpu/x86/vm/x86_64.ad b/src/cpu/x86/vm/x86_64.ad index cce1c3468..b86d288f5 100644 --- a/src/cpu/x86/vm/x86_64.ad +++ b/src/cpu/x86/vm/x86_64.ad @@ -1714,6 +1714,14 @@ const bool Matcher::match_rule_supported(int opcode) { if (!has_match_rule(opcode)) return false; + switch (opcode) { + case Op_PopCountI: + case Op_PopCountL: + if (!UsePopCountInstruction) + return false; + break; + } + return true; // Per default match rules are supported. } |