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8183551: Aarch64 platform specific code for 8173770

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Reviewed-by: aph, kvn
This commit is contained in:
Roland Westrelin 2017-07-20 13:59:12 +02:00
parent 7150e2f4df
commit 51a564a1bc
1 changed files with 58 additions and 2 deletions
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60
hotspot/src/cpu/aarch64/vm/aarch64.ad
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@ -14392,7 +14392,7 @@ instruct compL_reg_reg(rFlagsReg cr, iRegL op1, iRegL 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));
@ -14434,6 +14434,62 @@ instruct compL_reg_immL(rFlagsReg cr, iRegL op1, immL 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));
@ -14918,7 +14974,7 @@ instruct cmpUI_imm0_branch(cmpOpUEqNeLtGe cmp, iRegIorL2I op1, immI0 op2, label
%}
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);