src/hotspot/cpu/aarch64/aarch64.ad

rev 53028 : 8212043: Add floating-point Math.min/max intrinsics
Summary: Floating-point Math.min() and Math.max() intrinsics are enabled on AArch64 platform
Reviewed-by: adinn, aph

*** 12599,12608 ****
--- 12599,12665 ----
  
    ins_pipe(pipe_class_default);
  %}
  
  
+ // Math.max(FF)F
+ instruct maxF_reg_reg(vRegF dst, vRegF src1, vRegF src2) %{
+   match(Set dst (MaxF src1 src2));
+ 
+   format %{ "fmaxs   $dst, $src1, $src2" %}
+   ins_encode %{
+     __ fmaxs(as_FloatRegister($dst$$reg),
+              as_FloatRegister($src1$$reg),
+              as_FloatRegister($src2$$reg));
+   %}
+ 
+   ins_pipe(fp_dop_reg_reg_s);
+ %}
+ 
+ // Math.min(FF)F
+ instruct minF_reg_reg(vRegF dst, vRegF src1, vRegF src2) %{
+   match(Set dst (MinF src1 src2));
+ 
+   format %{ "fmins   $dst, $src1, $src2" %}
+   ins_encode %{
+     __ fmins(as_FloatRegister($dst$$reg),
+              as_FloatRegister($src1$$reg),
+              as_FloatRegister($src2$$reg));
+   %}
+ 
+   ins_pipe(fp_dop_reg_reg_s);
+ %}
+ 
+ // Math.max(DD)D
+ instruct maxD_reg_reg(vRegD dst, vRegD src1, vRegD src2) %{
+   match(Set dst (MaxD src1 src2));
+ 
+   format %{ "fmaxd   $dst, $src1, $src2" %}
+   ins_encode %{
+     __ fmaxd(as_FloatRegister($dst$$reg),
+              as_FloatRegister($src1$$reg),
+              as_FloatRegister($src2$$reg));
+   %}
+ 
+   ins_pipe(fp_dop_reg_reg_d);
+ %}
+ 
+ // Math.min(DD)D
+ instruct minD_reg_reg(vRegD dst, vRegD src1, vRegD src2) %{
+   match(Set dst (MinD src1 src2));
+ 
+   format %{ "fmind   $dst, $src1, $src2" %}
+   ins_encode %{
+     __ fmind(as_FloatRegister($dst$$reg),
+              as_FloatRegister($src1$$reg),
+              as_FloatRegister($src2$$reg));
+   %}
+ 
+   ins_pipe(fp_dop_reg_reg_d);
+ %}
+ 
+ 
  instruct divF_reg_reg(vRegF dst, vRegF src1, vRegF src2) %{
    match(Set dst (DivF src1  src2));
  
    ins_cost(INSN_COST * 18);
    format %{ "fdivs   $dst, $src1, $src2" %}