machinst x64: implement Fabs/Fneg in terms of other instructions;

2020-07-21 14:58:14 +02:00
parent 03b9e1e86a
commit 48ec806a9d
3 changed files with 43 additions and 2 deletions
--- a/cranelift/codegen/src/isa/x64/inst/emit.rs
+++ b/cranelift/codegen/src/isa/x64/inst/emit.rs
@@ -1545,6 +1545,8 @@ pub(crate) fn emit(
                SseOpcode::Divsd => (LegacyPrefix::_F2, 0x0F5E),
                SseOpcode::Maxss => (LegacyPrefix::_F3, 0x0F5F),
                SseOpcode::Maxsd => (LegacyPrefix::_F2, 0x0F5F),
+                SseOpcode::Xorps => (LegacyPrefix::None, 0x0F57),
+                SseOpcode::Xorpd => (LegacyPrefix::_66, 0x0F57),
                _ => unimplemented!("Opcode {:?} not implemented", op),
            };