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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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