Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/assembler_x86.cpp
src/cpu/x86/vm/assembler_x86.cpp
- changeset 2697
- 09f96c3ff1ad
- parent 2686
- b40d4fa697bf
- child 2746
- d86923d96dca
- child 2784
- 92add02409c9
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inserted
replaced
| 2696:9d343b8113db | 2697:09f96c3ff1ad |
|---|---|
| 7767 lea(rscratch1, src); | 7767 lea(rscratch1, src); |
| 7768 xorps(dst, Address(rscratch1, 0)); | 7768 xorps(dst, Address(rscratch1, 0)); |
| 7769 } | 7769 } |
| 7770 } | 7770 } |
| 7771 | 7771 |
| 7772 void MacroAssembler::cmov32(Condition cc, Register dst, Address src) { | |
| 7773 if (VM_Version::supports_cmov()) { | |
| 7774 cmovl(cc, dst, src); | |
| 7775 } else { | |
| 7776 Label L; | |
| 7777 jccb(negate_condition(cc), L); | |
| 7778 movl(dst, src); | |
| 7779 bind(L); | |
| 7780 } | |
| 7781 } | |
| 7782 | |
| 7783 void MacroAssembler::cmov32(Condition cc, Register dst, Register src) { | |
| 7784 if (VM_Version::supports_cmov()) { | |
| 7785 cmovl(cc, dst, src); | |
| 7786 } else { | |
| 7787 Label L; | |
| 7788 jccb(negate_condition(cc), L); | |
| 7789 movl(dst, src); | |
| 7790 bind(L); | |
| 7791 } | |
| 7792 } | |
| 7793 | |
| 7772 void MacroAssembler::verify_oop(Register reg, const char* s) { | 7794 void MacroAssembler::verify_oop(Register reg, const char* s) { |
| 7773 if (!VerifyOops) return; | 7795 if (!VerifyOops) return; |
| 7774 | 7796 |
| 7775 // Pass register number to verify_oop_subroutine | 7797 // Pass register number to verify_oop_subroutine |
| 7776 char* b = new char[strlen(s) + 50]; | 7798 char* b = new char[strlen(s) + 50]; |
| 9017 // difference of the string lengths (stack). | 9039 // difference of the string lengths (stack). |
| 9018 // Do the conditional move stuff | 9040 // Do the conditional move stuff |
| 9019 movl(result, cnt1); | 9041 movl(result, cnt1); |
| 9020 subl(cnt1, cnt2); | 9042 subl(cnt1, cnt2); |
| 9021 push(cnt1); | 9043 push(cnt1); |
| 9022 if (VM_Version::supports_cmov()) { | 9044 cmov32(Assembler::lessEqual, cnt2, result); |
| 9023 cmovl(Assembler::lessEqual, cnt2, result); | |
| 9024 } else { | |
| 9025 Label GT_LABEL; | |
| 9026 jccb(Assembler::greater, GT_LABEL); | |
| 9027 movl(cnt2, result); | |
| 9028 bind(GT_LABEL); | |
| 9029 } | |
| 9030 | 9045 |
| 9031 // Is the minimum length zero? | 9046 // Is the minimum length zero? |
| 9032 testl(cnt2, cnt2); | 9047 testl(cnt2, cnt2); |
| 9033 jcc(Assembler::zero, LENGTH_DIFF_LABEL); | 9048 jcc(Assembler::zero, LENGTH_DIFF_LABEL); |
| 9034 | 9049 |
