FizzBuzzAsm_ppu
Version
% gcc -v Using built-in specs. Target: ppc64-yellowdog-linux Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-libgcj-multifile --enable-languages=c,c++,objc,obj-c++,java,fortran --enable-java-awt=gtk --disable-dssi --enable-plugin --with-java-home=/usr/lib/jvm/java-1.4.2-gcj-1.4.2.0/jre --enable-secureplt --with-long-double-128 --host=ppc64-yellowdog-linux --build=ppc64-yellowdog-linux --target=ppc64-yellowdog-linux --with-cpu=default32 Thread model: posix gcc version 4.1.1 20070105 (Red Hat 4.1.1-52.ydl.1)
Optimized
fizzbuzz.o: file format elf32-powerpc Disassembly of section .text: 00000000 <main>: 0: 94 21 ff d0 stwu r1,-48(r1) 4: 7c 08 02 a6 mflr r0 8: 93 01 00 10 stw r24,16(r1) c: 93 21 00 14 stw r25,20(r1) 10: 93 41 00 18 stw r26,24(r1) 14: 93 61 00 1c stw r27,28(r1) 18: 93 81 00 20 stw r28,32(r1) 1c: 93 a1 00 24 stw r29,36(r1) 20: 93 c1 00 28 stw r30,40(r1) 24: 93 e1 00 2c stw r31,44(r1) 28: 90 01 00 34 stw r0,52(r1) 2c: 3b e0 00 01 li r31,1 30: 3b 80 00 0f li r28,15 34: 3f 60 00 00 lis r27,0 36: R_PPC_ADDR16_HA .rodata.str1.4 38: 3f c0 66 66 lis r30,26214 3c: 63 de 66 67 ori r30,r30,26215 40: 3f 00 00 00 lis r24,0 42: R_PPC_ADDR16_HA .rodata.str1.4+0xc 44: 3f a0 55 55 lis r29,21845 48: 63 bd 55 56 ori r29,r29,21846 4c: 3f 20 00 00 lis r25,0 4e: R_PPC_ADDR16_HA .rodata.str1.4+0x14 50: 3f 40 00 00 lis r26,0 52: R_PPC_ADDR16_HA .rodata.str1.4+0x1c 54: 7c 1f e3 d6 divw r0,r31,r28 58: 54 09 20 36 rlwinm r9,r0,4,0,27 5c: 7d 20 48 50 subf r9,r0,r9 60: 7f 9f 48 00 cmpw cr7,r31,r9 64: 40 9e 00 10 bne- cr7,74 <main+0x74> 68: 38 7b 00 00 addi r3,r27,0 6a: R_PPC_ADDR16_LO .rodata.str1.4 6c: 48 00 00 01 bl 6c <main+0x6c> 6c: R_PPC_REL24 puts 70: 48 00 00 68 b d8 <main+0xd8> 74: 7d 3f f0 96 mulhw r9,r31,r30 78: 7d 29 0e 70 srawi r9,r9,1 7c: 7f e0 fe 70 srawi r0,r31,31 80: 7d 20 48 50 subf r9,r0,r9 84: 55 20 10 3a rlwinm r0,r9,2,0,29 88: 7c 00 4a 14 add r0,r0,r9 8c: 7f 9f 00 00 cmpw cr7,r31,r0 90: 40 9e 00 10 bne- cr7,a0 <main+0xa0> 94: 38 78 00 0c addi r3,r24,12 96: R_PPC_ADDR16_LO .rodata.str1.4+0xc 98: 48 00 00 01 bl 98 <main+0x98> 98: R_PPC_REL24 puts 9c: 48 00 00 3c b d8 <main+0xd8> a0: 7d 3f e8 96 mulhw r9,r31,r29 a4: 7f e0 fe 70 srawi r0,r31,31 a8: 7d 20 48 50 subf r9,r0,r9 ac: 55 20 08 3c rlwinm r0,r9,1,0,30 b0: 7c 00 4a 14 add r0,r0,r9 b4: 7f 9f 00 00 cmpw cr7,r31,r0 b8: 40 9e 00 10 bne- cr7,c8 <main+0xc8> bc: 38 79 00 14 addi r3,r25,20 be: R_PPC_ADDR16_LO .rodata.str1.4+0x14 c0: 48 00 00 01 bl c0 <main+0xc0> c0: R_PPC_REL24 puts c4: 48 00 00 14 b d8 <main+0xd8> c8: 38 7a 00 1c addi r3,r26,28 ca: R_PPC_ADDR16_LO .rodata.str1.4+0x1c cc: 7f e4 fb 78 mr r4,r31 d0: 4c c6 31 82 crclr 4*cr1+eq d4: 48 00 00 01 bl d4 <main+0xd4> d4: R_PPC_REL24 printf d8: 2f 9f 00 64 cmpwi cr7,r31,100 dc: 3b ff 00 01 addi r31,r31,1 e0: 40 9e ff 74 bne+ cr7,54 <main+0x54> e4: 80 01 00 34 lwz r0,52(r1) e8: 7c 08 03 a6 mtlr r0 ec: 83 01 00 10 lwz r24,16(r1) f0: 83 21 00 14 lwz r25,20(r1) f4: 83 41 00 18 lwz r26,24(r1) f8: 83 61 00 1c lwz r27,28(r1) fc: 83 81 00 20 lwz r28,32(r1) 100: 83 a1 00 24 lwz r29,36(r1) 104: 83 c1 00 28 lwz r30,40(r1) 108: 83 e1 00 2c lwz r31,44(r1) 10c: 38 21 00 30 addi r1,r1,48 110: 4e 80 00 20 blr
Normal
fizzbuzz.o: file format elf32-powerpc Disassembly of section .text: 00000000 <main>: 0: 94 21 ff d0 stwu r1,-48(r1) 4: 7c 08 02 a6 mflr r0 8: 93 e1 00 2c stw r31,44(r1) c: 90 01 00 34 stw r0,52(r1) 10: 7c 3f 0b 78 mr r31,r1 14: 38 00 00 01 li r0,1 18: 90 1f 00 08 stw r0,8(r31) 1c: 48 00 00 fc b 118 <main+0x118> 20: 81 7f 00 08 lwz r11,8(r31) 24: 38 00 00 0f li r0,15 28: 7d 2b 03 d6 divw r9,r11,r0 2c: 7d 20 4b 78 mr r0,r9 30: 54 00 20 36 rlwinm r0,r0,4,0,27 34: 7c 09 00 50 subf r0,r9,r0 38: 7c 00 58 50 subf r0,r0,r11 3c: 2f 80 00 00 cmpwi cr7,r0,0 40: 40 9e 00 14 bne- cr7,54 <main+0x54> 44: 3d 20 00 00 lis r9,0 46: R_PPC_ADDR16_HA .rodata 48: 38 69 00 00 addi r3,r9,0 4a: R_PPC_ADDR16_LO .rodata 4c: 48 00 00 01 bl 4c <main+0x4c> 4c: R_PPC_REL24 puts 50: 48 00 00 bc b 10c <main+0x10c> 54: 81 7f 00 08 lwz r11,8(r31) 58: 3c 00 66 66 lis r0,26214 5c: 60 00 66 67 ori r0,r0,26215 60: 7c 0b 00 96 mulhw r0,r11,r0 64: 7c 09 0e 70 srawi r9,r0,1 68: 7d 60 fe 70 srawi r0,r11,31 6c: 7d 20 48 50 subf r9,r0,r9 70: 91 3f 00 1c stw r9,28(r31) 74: 80 1f 00 1c lwz r0,28(r31) 78: 54 00 10 3a rlwinm r0,r0,2,0,29 7c: 81 3f 00 1c lwz r9,28(r31) 80: 7c 00 4a 14 add r0,r0,r9 84: 7d 60 58 50 subf r11,r0,r11 88: 91 7f 00 1c stw r11,28(r31) 8c: 80 1f 00 1c lwz r0,28(r31) 90: 2f 80 00 00 cmpwi cr7,r0,0 94: 40 9e 00 14 bne- cr7,a8 <main+0xa8> 98: 3d 20 00 00 lis r9,0 9a: R_PPC_ADDR16_HA .rodata+0xc 9c: 38 69 00 0c addi r3,r9,12 9e: R_PPC_ADDR16_LO .rodata+0xc a0: 48 00 00 01 bl a0 <main+0xa0> a0: R_PPC_REL24 puts a4: 48 00 00 68 b 10c <main+0x10c> a8: 81 7f 00 08 lwz r11,8(r31) ac: 3c 00 55 55 lis r0,21845 b0: 60 00 55 56 ori r0,r0,21846 b4: 7d 2b 00 96 mulhw r9,r11,r0 b8: 7d 60 fe 70 srawi r0,r11,31 bc: 7d 20 48 50 subf r9,r0,r9 c0: 91 3f 00 18 stw r9,24(r31) c4: 80 1f 00 18 lwz r0,24(r31) c8: 54 00 08 3c rlwinm r0,r0,1,0,30 cc: 81 3f 00 18 lwz r9,24(r31) d0: 7c 00 4a 14 add r0,r0,r9 d4: 7d 60 58 50 subf r11,r0,r11 d8: 91 7f 00 18 stw r11,24(r31) dc: 80 1f 00 18 lwz r0,24(r31) e0: 2f 80 00 00 cmpwi cr7,r0,0 e4: 40 9e 00 14 bne- cr7,f8 <main+0xf8> e8: 3d 20 00 00 lis r9,0 ea: R_PPC_ADDR16_HA .rodata+0x14 ec: 38 69 00 14 addi r3,r9,20 ee: R_PPC_ADDR16_LO .rodata+0x14 f0: 48 00 00 01 bl f0 <main+0xf0> f0: R_PPC_REL24 puts f4: 48 00 00 18 b 10c <main+0x10c> f8: 3d 20 00 00 lis r9,0 fa: R_PPC_ADDR16_HA .rodata+0x1c fc: 38 69 00 1c addi r3,r9,28 fe: R_PPC_ADDR16_LO .rodata+0x1c 100: 80 9f 00 08 lwz r4,8(r31) 104: 4c c6 31 82 crclr 4*cr1+eq 108: 48 00 00 01 bl 108 <main+0x108> 108: R_PPC_REL24 printf 10c: 81 3f 00 08 lwz r9,8(r31) 110: 38 09 00 01 addi r0,r9,1 114: 90 1f 00 08 stw r0,8(r31) 118: 80 1f 00 08 lwz r0,8(r31) 11c: 2f 80 00 64 cmpwi cr7,r0,100 120: 40 9d ff 00 ble+ cr7,20 <main+0x20> 124: 81 61 00 00 lwz r11,0(r1) 128: 80 0b 00 04 lwz r0,4(r11) 12c: 7c 08 03 a6 mtlr r0 130: 83 eb ff fc lwz r31,-4(r11) 134: 7d 61 5b 78 mr r1,r11 138: 4e 80 00 20 blr
Keyword(s):
References:[FizzBuzzAsm]