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src/cpu/aarch64/vm/aarch64.ad

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rev 12822 : 8183551: Aarch64 platform specific code for 8173770
Reviewed-by:

@@ -14390,11 +14390,11 @@
   ins_encode(aarch64_enc_cmp(op1, op2));
 
   ins_pipe(icmp_reg_reg);
 %}
 
-instruct compL_reg_immI0(rFlagsReg cr, iRegL op1, immI0 zero)
+instruct compL_reg_immL0(rFlagsReg cr, iRegL op1, immL0 zero)
 %{
   match(Set cr (CmpL op1 zero));
 
   effect(DEF cr, USE op1);
 

@@ -14432,10 +14432,66 @@
   ins_encode(aarch64_enc_cmp_imm(op1, op2));
 
   ins_pipe(icmp_reg_imm);
 %}
 
+instruct compUL_reg_reg(rFlagsRegU cr, iRegL op1, iRegL op2)
+%{
+  match(Set cr (CmpUL op1 op2));
+
+  effect(DEF cr, USE op1, USE op2);
+
+  ins_cost(INSN_COST);
+  format %{ "cmp  $op1, $op2" %}
+
+  ins_encode(aarch64_enc_cmp(op1, op2));
+
+  ins_pipe(icmp_reg_reg);
+%}
+
+instruct compUL_reg_immL0(rFlagsRegU cr, iRegL op1, immL0 zero)
+%{
+  match(Set cr (CmpUL op1 zero));
+
+  effect(DEF cr, USE op1);
+
+  ins_cost(INSN_COST);
+  format %{ "tst  $op1" %}
+
+  ins_encode(aarch64_enc_cmp_imm_addsub(op1, zero));
+
+  ins_pipe(icmp_reg_imm);
+%}
+
+instruct compUL_reg_immLAddSub(rFlagsRegU cr, iRegL op1, immLAddSub op2)
+%{
+  match(Set cr (CmpUL op1 op2));
+
+  effect(DEF cr, USE op1);
+
+  ins_cost(INSN_COST);
+  format %{ "cmp  $op1, $op2" %}
+
+  ins_encode(aarch64_enc_cmp_imm_addsub(op1, op2));
+
+  ins_pipe(icmp_reg_imm);
+%}
+
+instruct compUL_reg_immL(rFlagsRegU cr, iRegL op1, immL op2)
+%{
+  match(Set cr (CmpUL op1 op2));
+
+  effect(DEF cr, USE op1);
+
+  ins_cost(INSN_COST * 2);
+  format %{ "cmp  $op1, $op2" %}
+
+  ins_encode(aarch64_enc_cmp_imm(op1, op2));
+
+  ins_pipe(icmp_reg_imm);
+%}
+
 instruct compP_reg_reg(rFlagsRegU cr, iRegP op1, iRegP op2)
 %{
   match(Set cr (CmpP op1 op2));
 
   effect(DEF cr, USE op1, USE op2);

@@ -14916,11 +14972,11 @@
   %}
   ins_pipe(pipe_cmp_branch);
 %}
 
 instruct cmpUL_imm0_branch(cmpOpUEqNeLtGe cmp, iRegL op1, immL0 op2, label labl, rFlagsRegU cr) %{
-  match(If cmp (CmpU op1 op2));
+  match(If cmp (CmpUL op1 op2));
   effect(USE labl);
 
   ins_cost(BRANCH_COST);
   format %{ "cb$cmp   $op1, $labl" %}
   ins_encode %{
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