Implementation notes: x86, gcc16, crypto_dh/k277taa

Computer: gcc16
Architecture: x86
CPU ID: AuthenticAMD-00100f23-178bfbff
SUPERCOP version: 20171020
Operation: crypto_dh
Primitive: k277taa

Compiler output

Implementation: crypto_dh/k277taa/ref
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer
dh.c: In file included from dh.c:6:
dh.c: ffa.h:113: error: expected ')' before '*' token
dh.c: ffa.h:127: warning: integer constant is too large for 'long' type
dh.c: ffa.h:127: warning: integer constant is too large for 'long' type
dh.c: ffa.h:128: warning: integer constant is too large for 'long' type
dh.c: ffa.h:128: warning: integer constant is too large for 'long' type
dh.c: ffa.h:186: error: expected ')' before '*' token
dh.c: ffa.h:292: error: expected ')' before '*' token
dh.c: ffa.h:326: error: expected ')' before '*' token
dh.c: In file included from dh.c:7:
dh.c: eca.h:15: error: expected ')' before '*' token
dh.c: eca.h:45: error: expected ')' before '*' token
dh.c: eca.h:78: error: expected ')' before '*' token
dh.c: eca.h:135: error: expected ')' before '*' token
dh.c: eca.h:202: error: expected ')' before '*' token
dh.c: In file included from dh.c:8:
dh.c: smu.h: In function 'smu_rec_5nf':
dh.c: smu.h:99: warning: integer constant is too large for 'long' type
dh.c: smu.h:99: warning: integer constant is too large for 'long' type
dh.c: smu.h:100: warning: integer constant is too large for 'long' type
dh.c: smu.h:100: warning: integer constant is too large for 'long' type
dh.c: smu.h:101: warning: integer constant is too large for 'long' type
dh.c: smu.h:101: warning: integer constant is too large for 'long' type
dh.c: smu.h:138: warning: integer constant is too large for 'long' type
dh.c: smu.h: At top level:
dh.c: ...

Number of similar (compiler,implementation) pairs: 96, namely:
CompilerImplementations
gcc -funroll-loops -m32 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer ref
gcc -m32 -O2 -fomit-frame-pointer ref
gcc -m32 -O3 -fomit-frame-pointer ref
gcc -m32 -O -fomit-frame-pointer ref
gcc -m32 -Os -fomit-frame-pointer ref
gcc -m32 -march=athlon -O2 -fomit-frame-pointer ref
gcc -m32 -march=athlon -O3 -fomit-frame-pointer ref
gcc -m32 -march=athlon -O -fomit-frame-pointer ref
gcc -m32 -march=athlon -Os -fomit-frame-pointer ref
gcc -m32 -march=i386 -O2 -fomit-frame-pointer ref
gcc -m32 -march=i386 -O3 -fomit-frame-pointer ref
gcc -m32 -march=i386 -O -fomit-frame-pointer ref
gcc -m32 -march=i386 -Os -fomit-frame-pointer ref
gcc -m32 -march=i486 -O2 -fomit-frame-pointer ref
gcc -m32 -march=i486 -O3 -fomit-frame-pointer ref
gcc -m32 -march=i486 -O -fomit-frame-pointer ref
gcc -m32 -march=i486 -Os -fomit-frame-pointer ref
gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer ref
gcc -m32 -march=k6-2 -O -fomit-frame-pointer ref
gcc -m32 -march=k6-2 -Os -fomit-frame-pointer ref
gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer ref
gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer ref
gcc -m32 -march=k6-3 -O -fomit-frame-pointer ref
gcc -m32 -march=k6-3 -Os -fomit-frame-pointer ref
gcc -m32 -march=k6 -O2 -fomit-frame-pointer ref
gcc -m32 -march=k6 -O3 -fomit-frame-pointer ref
gcc -m32 -march=k6 -O -fomit-frame-pointer ref
gcc -m32 -march=k6 -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer ref
gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium2 -O -fomit-frame-pointer ref
gcc -m32 -march=pentium2 -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium3 -O -fomit-frame-pointer ref
gcc -m32 -march=pentium3 -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium -O -fomit-frame-pointer ref
gcc -m32 -march=pentium -Os -fomit-frame-pointer ref
gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentiumpro -O -fomit-frame-pointer ref
gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer ref

Compiler output

Implementation: crypto_dh/k277taa/ref
Compiler: gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer
dh.c: In file included from dh.c:6:
dh.c: ffa.h: In function 'ffa_red_277':
dh.c: ffa.h:123: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:127: warning: integer constant is too large for 'long' type
dh.c: ffa.h:127: warning: integer constant is too large for 'long' type
dh.c: ffa.h:128: warning: integer constant is too large for 'long' type
dh.c: ffa.h:128: warning: integer constant is too large for 'long' type
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ...

Number of similar (compiler,implementation) pairs: 48, namely:
CompilerImplementations
gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer ref
gcc -m32 -march=k8 -O2 -fomit-frame-pointer ref
gcc -m32 -march=k8 -O3 -fomit-frame-pointer ref
gcc -m32 -march=k8 -O -fomit-frame-pointer ref
gcc -m32 -march=k8 -Os -fomit-frame-pointer ref
gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer ref
gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer ref
gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer ref
gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer ref
gcc -m32 -march=nocona -O2 -fomit-frame-pointer ref
gcc -m32 -march=nocona -O3 -fomit-frame-pointer ref
gcc -m32 -march=nocona -O -fomit-frame-pointer ref
gcc -m32 -march=nocona -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium-m -O -fomit-frame-pointer ref
gcc -m32 -march=pentium-m -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium4 -O -fomit-frame-pointer ref
gcc -m32 -march=pentium4 -Os -fomit-frame-pointer ref
gcc -m32 -march=prescott -O2 -fomit-frame-pointer ref
gcc -m32 -march=prescott -O3 -fomit-frame-pointer ref
gcc -m32 -march=prescott -O -fomit-frame-pointer ref
gcc -m32 -march=prescott -Os -fomit-frame-pointer ref

Compiler output

Implementation: crypto_dh/k277taa/ref
Compiler: gcc -m32 -march=barcelona -O2 -fomit-frame-pointer
dh.c: In file included from dh.c:6:
dh.c: ffa.h: In function 'ffa_red_277':
dh.c: ffa.h:123: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:127: warning: integer constant is too large for 'long' type
dh.c: ffa.h:127: warning: integer constant is too large for 'long' type
dh.c: ffa.h:128: warning: integer constant is too large for 'long' type
dh.c: ffa.h:128: warning: integer constant is too large for 'long' type
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ...
dh.c: In file included from dh.c:6:
dh.c: ffa.h: In function 'ffa_red_277':
dh.c: ffa.h:123: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:127: warning: integer constant is too large for 'long' type
dh.c: ffa.h:127: warning: integer constant is too large for 'long' type
dh.c: ffa.h:128: warning: integer constant is too large for 'long' type
dh.c: ffa.h:128: warning: integer constant is too large for 'long' type
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -m32 -march=barcelona -O2 -fomit-frame-pointer ref
gcc -m32 -march=barcelona -O3 -fomit-frame-pointer ref
gcc -m32 -march=barcelona -O -fomit-frame-pointer ref
gcc -m32 -march=barcelona -Os -fomit-frame-pointer ref

Compiler output

Implementation: crypto_dh/k277taa/ref
Compiler: gcc -m32 -march=core2 -O2 -fomit-frame-pointer
dh.c: In file included from dh.c:6:
dh.c: ffa.h: In function 'ffa_red_277':
dh.c: ffa.h:127: warning: integer constant is too large for 'long' type
dh.c: ffa.h:127: warning: integer constant is too large for 'long' type
dh.c: ffa.h:128: warning: integer constant is too large for 'long' type
dh.c: ffa.h:128: warning: integer constant is too large for 'long' type
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:132: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:133: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:134: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:135: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:135: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:135: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ffa.h:135: error: incompatible types when assigning to type '__m128i' from type 'int'
dh.c: ...

Number of similar (compiler,implementation) pairs: 12, namely:
CompilerImplementations
gcc -m32 -march=core2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core2 -O3 -fomit-frame-pointer ref
gcc -m32 -march=core2 -O -fomit-frame-pointer ref
gcc -m32 -march=core2 -Os -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4.1 -O3 -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4 -O3 -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer ref