Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/sparc/vm/sparc.ad
src/cpu/sparc/vm/sparc.ad
- changeset 6067
- 208ebea980f8
- parent 6030
- b4aa8fc5d0d5
- child 6184
- 9ecf408d4568
- child 6485
- da862781b584
equal
deleted
inserted
replaced
| 6058:5b84039ca739 | 6067:208ebea980f8 |
|---|---|
| 2914 | 2914 |
| 2915 // Strings might not be equal | 2915 // Strings might not be equal |
| 2916 __ bind(LSkip2); | 2916 __ bind(LSkip2); |
| 2917 } | 2917 } |
| 2918 | 2918 |
| 2919 // We have no guarantee that on 64 bit the higher half of limit_reg is 0 | |
| 2920 __ signx(limit_reg); | |
| 2921 | |
| 2919 __ subcc(limit_reg, 1 * sizeof(jchar), chr1_reg); | 2922 __ subcc(limit_reg, 1 * sizeof(jchar), chr1_reg); |
| 2920 __ br(Assembler::equal, true, Assembler::pn, Ldone); | 2923 __ br(Assembler::equal, true, Assembler::pn, Ldone); |
| 2921 __ delayed()->mov(O7, result_reg); // result is difference in lengths | 2924 __ delayed()->mov(O7, result_reg); // result is difference in lengths |
| 2922 | 2925 |
| 2923 // Shift str1_reg and str2_reg to the end of the arrays, negate limit | 2926 // Shift str1_reg and str2_reg to the end of the arrays, negate limit |
| 2970 | 2973 |
| 2971 //rename registers | 2974 //rename registers |
| 2972 Register limit_reg = cnt_reg; | 2975 Register limit_reg = cnt_reg; |
| 2973 Register chr1_reg = result_reg; | 2976 Register chr1_reg = result_reg; |
| 2974 Register chr2_reg = tmp1_reg; | 2977 Register chr2_reg = tmp1_reg; |
| 2978 | |
| 2979 // We have no guarantee that on 64 bit the higher half of limit_reg is 0 | |
| 2980 __ signx(limit_reg); | |
| 2975 | 2981 |
| 2976 //check for alignment and position the pointers to the ends | 2982 //check for alignment and position the pointers to the ends |
| 2977 __ or3(str1_reg, str2_reg, chr1_reg); | 2983 __ or3(str1_reg, str2_reg, chr1_reg); |
| 2978 __ andcc(chr1_reg, 0x3, chr1_reg); | 2984 __ andcc(chr1_reg, 0x3, chr1_reg); |
| 2979 // notZero means at least one not 4-byte aligned. | 2985 // notZero means at least one not 4-byte aligned. |
