This is what the refactored Shark makes of String.hashCode() on ppc. The original version is here.
0xd04c2010: mflr r0 0xd04c2014: stw r0,4(r1) 0xd04c2018: stwu r1,-32(r1) 0xd04c201c: stw r30,28(r1) |
abi frame setup |
0xd04c2020: lwz r5,712(r4) 0xd04c2024: lwz r6,704(r4) 0xd04c2028: addi r5,r5,-44 0xd04c202c: cmplw r5,r6 0xd04c2030: addi r6,r4,712 0xd04c2034: addi r4,r4,716 0xd04c2038: blt- 0xd04c2130 0xd04c203c: stw r5,0(r6) 0xd04c2040: li r7,3 0xd04c2044: stw r7,16(r5) 0xd04c2048: lwz r7,0(r4) 0xd04c204c: stw r7,20(r5) 0xd04c2050: addi r7,r5,20 0xd04c2054: stw r7,0(r4) |
zero frame setup |
0xd04c2058: lwz r5,44(r5) 0xd04c205c: cmplwi r5,0 0xd04c2060: beq- 0xd04c2140 0xd04c2064: lwz r7,20(r5) 0xd04c2068: cmplwi r7,0 0xd04c206c: bne- 0xd04c20f4 |
0: aload_0 1: getfield <Field java.lang.String.hash int> 4: istore_1 5: iload_1 6: ifne 58 |
0xd04c2070: cmplwi r5,0 0xd04c2074: beq- 0xd04c2150 0xd04c2078: lwz r8,12(r5) 0xd04c207c: lwz r9,8(r5) 0xd04c2080: lwz r10,16(r5) 0xd04c2084: li r11,0 |
9: aload_0 10: getfield <Field java.lang.String.offset int> 13: istore_2 14: aload_0 15: getfield <Field java.lang.String.value char[]> 18: astore_3 19: aload_0 20: getfield <Field java.lang.String.count int> 23: istore 4 25: iconst_0 26: istore 5 28: goto 46 |
0xd04c2088: lis r12,4031 0xd04c208c: lwz r12,-10384(r12) 0xd04c2090: cmplwi r12,1 0xd04c2094: beq- 0xd04c2160 0xd04c2098: cmpw r11,r10 0xd04c209c: bge- 0xd04c20e8 |
46: iload 5 48: iload 4 50: if_icmplt 31 |
0xd04c20a0: mulli r7,r7,31 0xd04c20a4: cmplwi r9,0 0xd04c20a8: addi r12,r8,1 0xd04c20ac: beq- 0xd04c2170 0xd04c20b0: lwz r30,8(r9) 0xd04c20b4: cmpw r8,r30 0xd04c20b8: bge- 0xd04c2180 0xd04c20bc: rlwinm r8,r8,1,0,30 0xd04c20c0: add r8,r8,r9 0xd04c20c4: lhz r8,12(r8) 0xd04c20c8: addi r11,r11,1 0xd04c20cc: add r7,r7,r8 |
31: bipush 31 33: iload_1 34: imul 35: aload_3 36: iload_2 37: iinc 2 1 40: caload 41: iadd 42: istore_1 43: iinc 5 1 |
0xd04c20d0: lis r8,4031 0xd04c20d4: lwz r8,-10384(r8) 0xd04c20d8: cmplwi r8,1 0xd04c20dc: beq- 0xd04c2190 0xd04c20e0: cmpw r11,r10 0xd04c20e4: blt- 0xd04c21a0 |
46: iload 5 48: iload 4 50: if_icmplt 31 |
0xd04c20e8: cmplwi r5,0 0xd04c20ec: beq- 0xd04c21a8 0xd04c20f0: stw r7,20(r5) |
53: aload_0 54: iload_1 55: putfield <Field java.lang.String.hash int> |
0xd04c20f4: lis r3,4031 0xd04c20f8: lwz r3,-10384(r3) 0xd04c20fc: cmplwi r3,1 0xd04c2100: beq- 0xd04c21b8 |
58: iload_1 59: ireturn |
0xd04c2104: lwz r3,0(r4) 0xd04c2108: addi r5,r3,24 0xd04c210c: stw r5,0(r6) 0xd04c2110: lwz r5,0(r3) 0xd04c2114: stw r5,0(r4) 0xd04c2118: stw r7,24(r3) |
zero frame teardown |
0xd04c211c: lwz r30,28(r1) 0xd04c2120: addi r1,r1,32 0xd04c2124: lwz r0,4(r1) 0xd04c2128: mtlr r0 0xd04c212c: blr |
abi frame teardown |
0xd04c2130: lis r5,4000 0xd04c2134: li r4,119 0xd04c2138: ori r3,r5,54900 0xd04c213c: bl 0xd04c1fd8 |
stack overflow handler (unimplemented) |
0xd04c2140: lis r5,4000 0xd04c2144: li r4,456 0xd04c2148: ori r3,r5,48904 0xd04c214c: bl 0xd04c1fd8 |
null pointer handler (unimplemented) |
0xd04c2150: lis r5,4000 0xd04c2154: li r4,456 0xd04c2158: ori r3,r5,48904 0xd04c215c: bl 0xd04c1fd8 |
null pointer handler (unimplemented) |
0xd04c2160: lis r5,4000 0xd04c2164: li r4,510 0xd04c2168: ori r3,r5,48904 0xd04c216c: bl 0xd04c1fd8 |
safepoint handler (unimplemented) |
0xd04c2170: lis r7,4000 0xd04c2174: li r4,456 0xd04c2178: ori r3,r7,48904 0xd04c217c: bl 0xd04c1fd8 |
null pointer handler (unimplemented) |
0xd04c2180: lis r7,4000 0xd04c2184: li r4,478 0xd04c2188: ori r3,r7,48904 0xd04c218c: bl 0xd04c1fd8 |
array out of bounds handler (unimplemented) |
0xd04c2190: lis r5,4000 0xd04c2194: li r4,510 0xd04c2198: ori r3,r5,48904 0xd04c219c: bl 0xd04c1fd8 |
safepoint handler (unimplemented) |
0xd04c21a0: mr r8,r12 0xd04c21a4: b 0xd04c20a0 |
part of block commencing bci 46 |
0xd04c21a8: lis r5,4000 0xd04c21ac: li r4,456 0xd04c21b0: ori r3,r5,48904 0xd04c21b4: bl 0xd04c1fd8 |
null pointer handler (unimplemented) |
0xd04c21b8: lis r6,4000 0xd04c21bc: li r4,510 0xd04c21c0: ori r3,r6,48904 0xd04c21c4: bl 0xd04c1fd8 |
safepoint handler (unimplemented) |