Implementation notes: ppc64, io83, crypto_aead/scream12v1

Computer: io83
Architecture: ppc64
CPU ID: unknown CPU ID
SUPERCOP version: 20180818
Operation: crypto_aead
Primitive: scream12v1
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
801101? ? ?? ? ?refgcc_-funroll-loops_-mcpu=G5_-maltivec_-O2_-fomit-frame-pointer2018092720180818
802620? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G5_-O2_-fomit-frame-pointer2018092720180818
806197? ? ?? ? ?refgcc_-funroll-loops_-mcpu=G5_-O2_-fomit-frame-pointer2018092720180818
806932? ? ?? ? ?refgcc_-funroll-loops_-mcpu=G5_-maltivec_-O3_-fomit-frame-pointer2018092720180818
807324? ? ?? ? ?refgcc_-m64_-mcpu=G5_-maltivec_-O3_-fomit-frame-pointer2018092720180818
807618? ? ?? ? ?refgcc_-mcpu=G5_-O3_-fomit-frame-pointer2018092720180818
807618? ? ?? ? ?refgcc_-mcpu=G5_-maltivec_-O3_-fomit-frame-pointer2018092720180818
807814? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G5_-maltivec_-O2_-fomit-frame-pointer2018092720180818
808157? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G5_-O3_-fomit-frame-pointer2018092720180818
808941? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G5_-maltivec_-O3_-fomit-frame-pointer2018092720180818
809186? ? ?? ? ?refgcc_-m64_-mcpu=G5_-O3_-fomit-frame-pointer2018092720180818
810607? ? ?? ? ?refgcc_-funroll-loops_-mcpu=G5_-O3_-fomit-frame-pointer2018092720180818
817222? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G4_-O2_-fomit-frame-pointer2018092720180818
817271? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G4_-maltivec_-O2_-fomit-frame-pointer2018092720180818
823347? ? ?? ? ?refgcc_-m64_-mcpu=G4_-maltivec_-O3_-fomit-frame-pointer2018092720180818
823396? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G3_-O2_-fomit-frame-pointer2018092720180818
824131? ? ?? ? ?refgcc_-funroll-loops_-maltivec_-O2_-fomit-frame-pointer2018092720180818
824572? ? ?? ? ?refgcc_-m64_-maltivec_-O3_-fomit-frame-pointer2018092720180818
824670? ? ?? ? ?refgcc_-m64_-mcpu=G4_-O3_-fomit-frame-pointer2018092720180818
824817? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G4_-maltivec_-O3_-fomit-frame-pointer2018092720180818
825503? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2018092720180818
825944? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2018092720180818
826140? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G3_-maltivec_-O2_-fomit-frame-pointer2018092720180818
826189? ? ?? ? ?refgcc_-funroll-loops_-m64_-maltivec_-O2_-fomit-frame-pointer2018092720180818
828786? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2018092720180818
829080? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G4_-O3_-fomit-frame-pointer2018092720180818
829276? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2018092720180818
831138? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2018092720180818
831922? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2018092720180818
833245? ? ?? ? ?refgcc_-maltivec_-O3_-fomit-frame-pointer2018092720180818
842212? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2018092720180818
842555? ? ?? ? ?refgcc_-funroll-loops_-m64_-maltivec_-O3_-fomit-frame-pointer2018092720180818
843192? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G3_-maltivec_-O3_-fomit-frame-pointer2018092720180818
844221? ? ?? ? ?refgcc_-m64_-mcpu=G3_-maltivec_-O3_-fomit-frame-pointer2018092720180818
844368? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2018092720180818
845201? ? ?? ? ?refgcc_-funroll-loops_-maltivec_-O3_-fomit-frame-pointer2018092720180818
845593? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2018092720180818
848827? ? ?? ? ?refgcc_-m64_-mcpu=G3_-O3_-fomit-frame-pointer2018092720180818
852012? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G3_-O3_-fomit-frame-pointer2018092720180818
900914? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2018092720180818
901110? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2018092720180818
901110? ? ?? ? ?refgcc_-funroll-loops_-maltivec_-O_-fomit-frame-pointer2018092720180818
901208? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2018092720180818
901992? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G4_-O_-fomit-frame-pointer2018092720180818
903364? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G4_-maltivec_-O_-fomit-frame-pointer2018092720180818
904197? ? ?? ? ?refgcc_-funroll-loops_-m64_-maltivec_-O_-fomit-frame-pointer2018092720180818
905765? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G5_-maltivec_-O_-fomit-frame-pointer2018092720180818
905814? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G3_-O_-fomit-frame-pointer2018092720180818
907529? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G5_-O_-fomit-frame-pointer2018092720180818
907627? ? ?? ? ?refgcc_-funroll-loops_-mcpu=G5_-maltivec_-O_-fomit-frame-pointer2018092720180818
907823? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G3_-maltivec_-O_-fomit-frame-pointer2018092720180818
908656? ? ?? ? ?refgcc_-funroll-loops_-mcpu=G5_-O_-fomit-frame-pointer2018092720180818
1882923? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2018092720180818
1882972? ? ?? ? ?refgcc_-m64_-maltivec_-O2_-fomit-frame-pointer2018092720180818
1886157? ? ?? ? ?refgcc_-maltivec_-O2_-fomit-frame-pointer2018092720180818
1887676? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2018092720180818
1889538? ? ?? ? ?refgcc_-m64_-mcpu=G5_-O2_-fomit-frame-pointer2018092720180818
1889538? ? ?? ? ?refgcc_-mcpu=G5_-maltivec_-O2_-fomit-frame-pointer2018092720180818
1891302? ? ?? ? ?refgcc_-m64_-mcpu=G5_-maltivec_-O2_-fomit-frame-pointer2018092720180818
1892674? ? ?? ? ?refgcc_-mcpu=G5_-O2_-fomit-frame-pointer2018092720180818
1904728? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2018092720180818
1950543? ? ?? ? ?refgcc_-m64_-mcpu=G4_-O2_-fomit-frame-pointer2018092720180818
1952405? ? ?? ? ?refgcc_-m64_-mcpu=G4_-maltivec_-O2_-fomit-frame-pointer2018092720180818
1965831? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2018092720180818
1967791? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2018092720180818
1968624? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2018092720180818
1969653? ? ?? ? ?refgcc_-m64_-maltivec_-O_-fomit-frame-pointer2018092720180818
1970094? ? ?? ? ?refgcc_-maltivec_-O_-fomit-frame-pointer2018092720180818
1985382? ? ?? ? ?refgcc_-m64_-mcpu=G4_-maltivec_-O_-fomit-frame-pointer2018092720180818
1985578? ? ?? ? ?refgcc_-m64_-mcpu=G4_-O_-fomit-frame-pointer2018092720180818
1994006? ? ?? ? ?refgcc_-mcpu=G5_-maltivec_-Os_-fomit-frame-pointer2018092720180818
1994202? ? ?? ? ?refgcc_-m64_-mcpu=G3_-O2_-fomit-frame-pointer2018092720180818
1995133? ? ?? ? ?refgcc_-mcpu=G5_-Os_-fomit-frame-pointer2018092720180818
1995770? ? ?? ? ?refgcc_-m64_-mcpu=G3_-maltivec_-O2_-fomit-frame-pointer2018092720180818
1996064? ? ?? ? ?refgcc_-m64_-mcpu=G4_-maltivec_-Os_-fomit-frame-pointer2018092720180818
1997191? ? ?? ? ?refgcc_-m64_-mcpu=G4_-Os_-fomit-frame-pointer2018092720180818
2000033? ? ?? ? ?refgcc_-m64_-mcpu=G5_-Os_-fomit-frame-pointer2018092720180818
2001013? ? ?? ? ?refgcc_-m64_-mcpu=G5_-maltivec_-Os_-fomit-frame-pointer2018092720180818
2005276? ? ?? ? ?refgcc_-m64_-mcpu=G3_-maltivec_-O_-fomit-frame-pointer2018092720180818
2006011? ? ?? ? ?refgcc_-m64_-mcpu=G3_-maltivec_-Os_-fomit-frame-pointer2018092720180818
2006403? ? ?? ? ?refgcc_-m64_-mcpu=G3_-O_-fomit-frame-pointer2018092720180818
2009147? ? ?? ? ?refgcc_-m64_-mcpu=G3_-Os_-fomit-frame-pointer2018092720180818
2028649? ? ?? ? ?refgcc_-m64_-mcpu=G5_-maltivec_-O_-fomit-frame-pointer2018092720180818
2030658? ? ?? ? ?refgcc_-mcpu=G5_-maltivec_-O_-fomit-frame-pointer2018092720180818
2031148? ? ?? ? ?refgcc_-mcpu=G5_-O_-fomit-frame-pointer2018092720180818
2031393? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2018092720180818
2034186? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2018092720180818
2037714? ? ?? ? ?refgcc_-m64_-mcpu=G5_-O_-fomit-frame-pointer2018092720180818
2038596? ? ?? ? ?refgcc_-funroll-loops_-maltivec_-Os_-fomit-frame-pointer2018092720180818
2039919? ? ?? ? ?refgcc_-funroll-loops_-m64_-maltivec_-Os_-fomit-frame-pointer2018092720180818
2040458? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2018092720180818
2055354? ? ?? ? ?refgcc_-m64_-maltivec_-Os_-fomit-frame-pointer2018092720180818
2055550? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2018092720180818
2058294? ? ?? ? ?refgcc_-maltivec_-Os_-fomit-frame-pointer2018092720180818
2058343? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2018092720180818
2059323? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2018092720180818
2105824? ? ?? ? ?refgcc_-funroll-loops_-mcpu=G5_-maltivec_-Os_-fomit-frame-pointer2018092720180818
2115526? ? ?? ? ?refgcc_-funroll-loops_-mcpu=G5_-Os_-fomit-frame-pointer2018092720180818
2120916? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G5_-maltivec_-Os_-fomit-frame-pointer2018092720180818
2123219? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G5_-Os_-fomit-frame-pointer2018092720180818
2124003? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G4_-Os_-fomit-frame-pointer2018092720180818
2127874? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G4_-maltivec_-Os_-fomit-frame-pointer2018092720180818
2131157? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G3_-Os_-fomit-frame-pointer2018092720180818
2131402? ? ?? ? ?refgcc_-funroll-loops_-m64_-mcpu=G3_-maltivec_-Os_-fomit-frame-pointer2018092720180818
9155160? ? ?? ? ?refgcc2018092720180818
9155846? ? ?? ? ?refcc2018092720180818
9162314? ? ?? ? ?refgcc_-funroll-loops2018092720180818

Compiler output

Implementation: sse
Security model: unknown
Compiler: cc
scream.c: scream.c: In function 'LBox16P':
scream.c: scream.c:16:32: warning: implicit declaration of function '__builtin_ia32_psrldi128'; did you mean '__builtin_fabsd128'? [-Wimplicit-function-declaration]
scream.c: #define shift_right(x) ((v16qi)__builtin_ia32_psrldi128((v4si)x, 4))
scream.c: ^
scream.c: scream.c:182:10: note: in expansion of macro 'shift_right'
scream.c: t0 = shift_right(in[0]) & V(0xf);
scream.c: ^~~~~~~~~~~
scream.c: scream.c:182:5: error: AltiVec argument passed to unprototyped function
scream.c: t0 = shift_right(in[0]) & V(0xf);
scream.c: ^~
scream.c: scream.c:183:5: error: AltiVec argument passed to unprototyped function
scream.c: t1 = shift_right(in[2]) & V(0xf);
scream.c: ^~
scream.c: scream.c:185:10: warning: implicit declaration of function '__builtin_ia32_pshufb128'; did you mean '__builtin_isinfd128'? [-Wimplicit-function-declaration]
scream.c: A = __builtin_ia32_pshufb128(table, t0);
scream.c: ^~~~~~~~~~~~~~~~~~~~~~~~
scream.c: __builtin_isinfd128
scream.c: scream.c:185:5: error: AltiVec argument passed to unprototyped function
scream.c: A = __builtin_ia32_pshufb128(table, t0);
scream.c: ^
scream.c: scream.c:186:5: error: AltiVec argument passed to unprototyped function
scream.c: C = __builtin_ia32_pshufb128(table, t1);
scream.c: ^
scream.c: scream.c:190:5: error: AltiVec argument passed to unprototyped function
scream.c: B = __builtin_ia32_pshufb128(table, t0);
scream.c: ...

Number of similar (compiler,implementation) pairs: 107, namely:
CompilerImplementations
cc sse
gcc sse
gcc -O2 -fomit-frame-pointer sse
gcc -O3 -fomit-frame-pointer sse
gcc -O -fomit-frame-pointer sse
gcc -Os -fomit-frame-pointer sse
gcc -fno-schedule-insns -O2 -fomit-frame-pointer sse
gcc -fno-schedule-insns -O3 -fomit-frame-pointer sse
gcc -fno-schedule-insns -O -fomit-frame-pointer sse
gcc -fno-schedule-insns -Os -fomit-frame-pointer sse
gcc -funroll-loops sse
gcc -funroll-loops -O2 -fomit-frame-pointer sse
gcc -funroll-loops -O3 -fomit-frame-pointer sse
gcc -funroll-loops -O -fomit-frame-pointer sse
gcc -funroll-loops -Os -fomit-frame-pointer sse
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer sse
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer sse
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer sse
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer sse
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -O -fomit-frame-pointer sse
gcc -funroll-loops -m64 -Os -fomit-frame-pointer sse
gcc -funroll-loops -m64 -maltivec -O2 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -maltivec -O3 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -maltivec -O -fomit-frame-pointer sse
gcc -funroll-loops -m64 -maltivec -Os -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G3 -O2 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G3 -O3 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G3 -O -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G3 -Os -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G3 -maltivec -O2 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G3 -maltivec -O3 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G3 -maltivec -O -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G3 -maltivec -Os -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G4 -O2 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G4 -O3 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G4 -O -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G4 -Os -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G4 -maltivec -O2 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G4 -maltivec -O3 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G4 -maltivec -O -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G4 -maltivec -Os -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G5 -O2 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G5 -O3 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G5 -O -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G5 -Os -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G5 -maltivec -O2 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G5 -maltivec -O3 -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G5 -maltivec -O -fomit-frame-pointer sse
gcc -funroll-loops -m64 -mcpu=G5 -maltivec -Os -fomit-frame-pointer sse
gcc -funroll-loops -maltivec -O2 -fomit-frame-pointer sse
gcc -funroll-loops -maltivec -O3 -fomit-frame-pointer sse
gcc -funroll-loops -maltivec -O -fomit-frame-pointer sse
gcc -funroll-loops -maltivec -Os -fomit-frame-pointer sse
gcc -funroll-loops -mcpu=G5 -O2 -fomit-frame-pointer sse
gcc -funroll-loops -mcpu=G5 -O3 -fomit-frame-pointer sse
gcc -funroll-loops -mcpu=G5 -O -fomit-frame-pointer sse
gcc -funroll-loops -mcpu=G5 -Os -fomit-frame-pointer sse
gcc -funroll-loops -mcpu=G5 -maltivec -O2 -fomit-frame-pointer sse
gcc -funroll-loops -mcpu=G5 -maltivec -O3 -fomit-frame-pointer sse
gcc -funroll-loops -mcpu=G5 -maltivec -O -fomit-frame-pointer sse
gcc -funroll-loops -mcpu=G5 -maltivec -Os -fomit-frame-pointer sse
gcc -m64 -O2 -fomit-frame-pointer sse
gcc -m64 -O3 -fomit-frame-pointer sse
gcc -m64 -O -fomit-frame-pointer sse
gcc -m64 -Os -fomit-frame-pointer sse
gcc -m64 -maltivec -O2 -fomit-frame-pointer sse
gcc -m64 -maltivec -O3 -fomit-frame-pointer sse
gcc -m64 -maltivec -O -fomit-frame-pointer sse
gcc -m64 -maltivec -Os -fomit-frame-pointer sse
gcc -m64 -mcpu=G3 -O2 -fomit-frame-pointer sse
gcc -m64 -mcpu=G3 -O3 -fomit-frame-pointer sse
gcc -m64 -mcpu=G3 -O -fomit-frame-pointer sse
gcc -m64 -mcpu=G3 -Os -fomit-frame-pointer sse
gcc -m64 -mcpu=G3 -maltivec -O2 -fomit-frame-pointer sse
gcc -m64 -mcpu=G3 -maltivec -O3 -fomit-frame-pointer sse
gcc -m64 -mcpu=G3 -maltivec -O -fomit-frame-pointer sse
gcc -m64 -mcpu=G3 -maltivec -Os -fomit-frame-pointer sse
gcc -m64 -mcpu=G4 -O2 -fomit-frame-pointer sse
gcc -m64 -mcpu=G4 -O3 -fomit-frame-pointer sse
gcc -m64 -mcpu=G4 -O -fomit-frame-pointer sse
gcc -m64 -mcpu=G4 -Os -fomit-frame-pointer sse
gcc -m64 -mcpu=G4 -maltivec -O2 -fomit-frame-pointer sse
gcc -m64 -mcpu=G4 -maltivec -O3 -fomit-frame-pointer sse
gcc -m64 -mcpu=G4 -maltivec -O -fomit-frame-pointer sse
gcc -m64 -mcpu=G4 -maltivec -Os -fomit-frame-pointer sse
gcc -m64 -mcpu=G5 -O2 -fomit-frame-pointer sse
gcc -m64 -mcpu=G5 -O3 -fomit-frame-pointer sse
gcc -m64 -mcpu=G5 -O -fomit-frame-pointer sse
gcc -m64 -mcpu=G5 -Os -fomit-frame-pointer sse
gcc -m64 -mcpu=G5 -maltivec -O2 -fomit-frame-pointer sse
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gcc -m64 -mcpu=G5 -maltivec -O -fomit-frame-pointer sse
gcc -m64 -mcpu=G5 -maltivec -Os -fomit-frame-pointer sse
gcc -maltivec -O2 -fomit-frame-pointer sse
gcc -maltivec -O3 -fomit-frame-pointer sse
gcc -maltivec -O -fomit-frame-pointer sse
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gcc -mcpu=G5 -O2 -fomit-frame-pointer sse
gcc -mcpu=G5 -O3 -fomit-frame-pointer sse
gcc -mcpu=G5 -O -fomit-frame-pointer sse
gcc -mcpu=G5 -Os -fomit-frame-pointer sse
gcc -mcpu=G5 -maltivec -O2 -fomit-frame-pointer sse
gcc -mcpu=G5 -maltivec -O3 -fomit-frame-pointer sse
gcc -mcpu=G5 -maltivec -O -fomit-frame-pointer sse
gcc -mcpu=G5 -maltivec -Os -fomit-frame-pointer sse