src/cpu/x86/vm/x86_64.ad

*** 10949,10958 ****
--- 10949,10982 ----
                          $tmp4$$XMMRegister, $tmp5$$Register, $result$$Register);
    %}
    ins_pipe( pipe_slow );
  %}
  
+ // fma - double - a * b + c
+ instruct fmaD_reg(regD a, regD b, regD c) %{
+   predicate(UseFMA);
+   match(Set c (FmaD  c (Binary a b)));
+   format %{ "fmasd $a,$b,$c -> $c" %}
+   ins_cost(150);
+   ins_encode %{
+     __ vfmadd231sd($c$$XMMRegister, $a$$XMMRegister, $b$$XMMRegister);
+   %}
+   ins_pipe( pipe_slow );
+ %}
+ 
+ // fma - float - a * b + c
+ instruct fmaF_reg(regF a, regF b, regF c) %{
+   predicate(UseFMA);
+   match(Set c (FmaF  c (Binary a b)));
+   format %{ "fmass $a,$b,$c -> $c" %}
+   ins_cost(150);
+   ins_encode %{
+     __ vfmadd231ss($c$$XMMRegister, $a$$XMMRegister, $b$$XMMRegister);
+   %}
+   ins_pipe( pipe_slow );
+ %}
+ 
  //----------Overflow Math Instructions-----------------------------------------
  
  instruct overflowAddI_rReg(rFlagsReg cr, rax_RegI op1, rRegI op2)
  %{
    match(Set cr (OverflowAddI op1 op2));