Mercurial > hg > openjdk > jdk9 > hotspot
changeset 12819:9f8ef620301e
8183551: Aarch64 platform specific code for 8173770
Reviewed-by: aph, kvn
author | roland |
---|---|
date | Thu, 20 Jul 2017 13:59:12 +0200 |
parents | d2661aa42bff |
children | d7baadc223e7 |
files | src/cpu/aarch64/vm/aarch64.ad |
diffstat | 1 files changed, 58 insertions(+), 2 deletions(-) [+] |
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--- a/src/cpu/aarch64/vm/aarch64.ad Thu Jul 13 21:32:55 2017 -0700 +++ b/src/cpu/aarch64/vm/aarch64.ad Thu Jul 20 13:59:12 2017 +0200 @@ -14392,7 +14392,7 @@ 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 @@ 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 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);