Implementation notes: x86, h6sandy, crypto_dh/gls254

Computer: h6sandy
Architecture: x86
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20171218
Operation: crypto_dh
Primitive: gls254

Compiler output

Implementation: crypto_dh/gls254/opt
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer
dh.c: In file included from dh.c:10:0:
dh.c: ffa.h: In function 'low_mul':
dh.c: ffa.h:79:9: warning: SSE vector return without SSE enabled changes the ABI [-Wpsabi]
dh.c: a00 = _mm_unpacklo_epi64(op00, op10);
dh.c: ^
dh.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/5/include/xmmintrin.h:1249:0,
dh.c: from /usr/lib/gcc/x86_64-linux-gnu/5/include/x86intrin.h:31,
dh.c: from lib.h:2,
dh.c: from dh.c:2:
dh.c: /usr/lib/gcc/x86_64-linux-gnu/5/include/emmintrin.h:1286:1: error: inlining failed in call to always_inline '_mm_xor_si128': target specific option mismatch
dh.c: _mm_xor_si128 (__m128i __A, __m128i __B)
dh.c: ^
dh.c: In file included from dh.c:10:0:
dh.c: ffa.h:12:11: error: called from here
dh.c: re1 = _mm_xor_si128(re1, _mm_srli_epi64(op2, 63));
dh.c: ^
dh.c: ffa.h:123:5: note: in expansion of macro 'low_red_128_064_001'
dh.c: low_red_128_064_001(dal,dbe,dga,dde,dt0,dt1,*re_0,*re_1);
dh.c: ^
dh.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/5/include/xmmintrin.h:1249:0,
dh.c: from /usr/lib/gcc/x86_64-linux-gnu/5/include/x86intrin.h:31,
dh.c: from lib.h:2,
dh.c: from dh.c:2:
dh.c: /usr/lib/gcc/x86_64-linux-gnu/5/include/emmintrin.h:1214:1: error: inlining failed in call to always_inline '_mm_srli_epi64': target specific option mismatch
dh.c: _mm_srli_epi64 (__m128i __A, int __B)
dh.c: ...

Number of similar (compiler,implementation) pairs: 88, namely:
CompilerImplementations
gcc -funroll-loops -m32 -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer opt
gcc -m32 -O2 -fomit-frame-pointer opt
gcc -m32 -O3 -fomit-frame-pointer opt
gcc -m32 -O -fomit-frame-pointer opt
gcc -m32 -Os -fomit-frame-pointer opt
gcc -m32 -march=athlon -O2 -fomit-frame-pointer opt
gcc -m32 -march=athlon -O3 -fomit-frame-pointer opt
gcc -m32 -march=athlon -O -fomit-frame-pointer opt
gcc -m32 -march=athlon -Os -fomit-frame-pointer opt
gcc -m32 -march=i386 -O2 -fomit-frame-pointer opt
gcc -m32 -march=i386 -O3 -fomit-frame-pointer opt
gcc -m32 -march=i386 -O -fomit-frame-pointer opt
gcc -m32 -march=i386 -Os -fomit-frame-pointer opt
gcc -m32 -march=i486 -O2 -fomit-frame-pointer opt
gcc -m32 -march=i486 -O3 -fomit-frame-pointer opt
gcc -m32 -march=i486 -O -fomit-frame-pointer opt
gcc -m32 -march=i486 -Os -fomit-frame-pointer opt
gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer opt
gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer opt
gcc -m32 -march=k6-2 -O -fomit-frame-pointer opt
gcc -m32 -march=k6-2 -Os -fomit-frame-pointer opt
gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer opt
gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer opt
gcc -m32 -march=k6-3 -O -fomit-frame-pointer opt
gcc -m32 -march=k6-3 -Os -fomit-frame-pointer opt
gcc -m32 -march=k6 -O2 -fomit-frame-pointer opt
gcc -m32 -march=k6 -O3 -fomit-frame-pointer opt
gcc -m32 -march=k6 -O -fomit-frame-pointer opt
gcc -m32 -march=k6 -Os -fomit-frame-pointer opt
gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer opt
gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer opt
gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer opt
gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer opt
gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer opt
gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer opt
gcc -m32 -march=pentium2 -O -fomit-frame-pointer opt
gcc -m32 -march=pentium2 -Os -fomit-frame-pointer opt
gcc -m32 -march=pentium -O2 -fomit-frame-pointer opt
gcc -m32 -march=pentium -O3 -fomit-frame-pointer opt
gcc -m32 -march=pentium -O -fomit-frame-pointer opt
gcc -m32 -march=pentium -Os -fomit-frame-pointer opt
gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer opt
gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer opt
gcc -m32 -march=pentiumpro -O -fomit-frame-pointer opt
gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer opt

Compiler output

Implementation: crypto_dh/gls254/opt
Compiler: gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer
dh.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/5/include/x86intrin.h:43:0,
dh.c: from lib.h:2,
dh.c: from dh.c:2:
dh.c: ffa.h: In function 'low_mul':
dh.c: /usr/lib/gcc/x86_64-linux-gnu/5/include/wmmintrin.h:116:1: error: inlining failed in call to always_inline '_mm_clmulepi64_si128': target specific option mismatch
dh.c: _mm_clmulepi64_si128 (__m128i __X, __m128i __Y, const int __I)
dh.c: ^
dh.c: In file included from dh.c:10:0:
dh.c: ffa.h:64:9: error: called from here
dh.c: re2 = _mm_clmulepi64_si128(op4, op5, ord);\
dh.c: ^
dh.c: ffa.h:96:5: note: in expansion of macro 'low_kts_stp'
dh.c: low_kts_stp(op00,op10,k00,k02,op01,op11,r20,r21,r22,0x11); /* a1xb1 */
dh.c: ^
dh.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/5/include/x86intrin.h:43:0,
dh.c: from lib.h:2,
dh.c: from dh.c:2:
dh.c: /usr/lib/gcc/x86_64-linux-gnu/5/include/wmmintrin.h:116:1: error: inlining failed in call to always_inline '_mm_clmulepi64_si128': target specific option mismatch
dh.c: _mm_clmulepi64_si128 (__m128i __X, __m128i __Y, const int __I)
dh.c: ^
dh.c: In file included from dh.c:10:0:
dh.c: ffa.h:63:9: error: called from here
dh.c: re1 = _mm_clmulepi64_si128(op2, op3, ord);\
dh.c: ^
dh.c: ffa.h:96:5: note: in expansion of macro 'low_kts_stp'
dh.c: ...

Number of similar (compiler,implementation) pairs: 60, namely:
CompilerImplementations
gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer opt
gcc -m32 -march=core2 -O2 -fomit-frame-pointer opt
gcc -m32 -march=core2 -O3 -fomit-frame-pointer opt
gcc -m32 -march=core2 -O -fomit-frame-pointer opt
gcc -m32 -march=core2 -Os -fomit-frame-pointer opt
gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer opt
gcc -m32 -march=core2 -msse4.1 -O3 -fomit-frame-pointer opt
gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer opt
gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer opt
gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer opt
gcc -m32 -march=core2 -msse4 -O3 -fomit-frame-pointer opt
gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer opt
gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer opt
gcc -m32 -march=corei7 -O2 -fomit-frame-pointer opt
gcc -m32 -march=corei7 -O3 -fomit-frame-pointer opt
gcc -m32 -march=corei7 -O -fomit-frame-pointer opt
gcc -m32 -march=corei7 -Os -fomit-frame-pointer opt
gcc -m32 -march=k8 -O2 -fomit-frame-pointer opt
gcc -m32 -march=k8 -O3 -fomit-frame-pointer opt
gcc -m32 -march=k8 -O -fomit-frame-pointer opt
gcc -m32 -march=k8 -Os -fomit-frame-pointer opt
gcc -m32 -march=nocona -O2 -fomit-frame-pointer opt
gcc -m32 -march=nocona -O3 -fomit-frame-pointer opt
gcc -m32 -march=nocona -O -fomit-frame-pointer opt
gcc -m32 -march=nocona -Os -fomit-frame-pointer opt
gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer opt
gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer opt
gcc -m32 -march=pentium-m -O -fomit-frame-pointer opt
gcc -m32 -march=pentium-m -Os -fomit-frame-pointer opt
gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer opt
gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer opt
gcc -m32 -march=pentium4 -O -fomit-frame-pointer opt
gcc -m32 -march=pentium4 -Os -fomit-frame-pointer opt
gcc -m32 -march=prescott -O2 -fomit-frame-pointer opt
gcc -m32 -march=prescott -O3 -fomit-frame-pointer opt
gcc -m32 -march=prescott -O -fomit-frame-pointer opt
gcc -m32 -march=prescott -Os -fomit-frame-pointer opt

Compiler output

Implementation: crypto_dh/gls254/opt
Compiler: gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer
dh.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/5/include/xmmintrin.h:1249:0,
dh.c: from /usr/lib/gcc/x86_64-linux-gnu/5/include/x86intrin.h:31,
dh.c: from lib.h:2,
dh.c: from dh.c:2:
dh.c: ffa.h: In function 'low_mul':
dh.c: /usr/lib/gcc/x86_64-linux-gnu/5/include/emmintrin.h:1286:1: error: inlining failed in call to always_inline '_mm_xor_si128': target specific option mismatch
dh.c: _mm_xor_si128 (__m128i __A, __m128i __B)
dh.c: ^
dh.c: In file included from dh.c:10:0:
dh.c: ffa.h:12:11: error: called from here
dh.c: re1 = _mm_xor_si128(re1, _mm_srli_epi64(op2, 63));
dh.c: ^
dh.c: ffa.h:123:5: note: in expansion of macro 'low_red_128_064_001'
dh.c: low_red_128_064_001(dal,dbe,dga,dde,dt0,dt1,*re_0,*re_1);
dh.c: ^
dh.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/5/include/xmmintrin.h:1249:0,
dh.c: from /usr/lib/gcc/x86_64-linux-gnu/5/include/x86intrin.h:31,
dh.c: from lib.h:2,
dh.c: from dh.c:2:
dh.c: /usr/lib/gcc/x86_64-linux-gnu/5/include/emmintrin.h:1214:1: error: inlining failed in call to always_inline '_mm_srli_epi64': target specific option mismatch
dh.c: _mm_srli_epi64 (__m128i __A, int __B)
dh.c: ^
dh.c: In file included from dh.c:10:0:
dh.c: ffa.h:12:11: error: called from here
dh.c: re1 = _mm_xor_si128(re1, _mm_srli_epi64(op2, 63));
dh.c: ...

Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer opt
gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer opt
gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer opt
gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer opt
gcc -m32 -march=pentium3 -O -fomit-frame-pointer opt
gcc -m32 -march=pentium3 -Os -fomit-frame-pointer opt

Compiler output

Implementation: crypto_dh/gls254/opt
Compiler: gcc -m32 -march=barcelona -O2 -fomit-frame-pointer
dh.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/5/include/x86intrin.h:43:0,
dh.c: from lib.h:2,
dh.c: from dh.c:2:
dh.c: ffa.h: In function 'low_mul':
dh.c: /usr/lib/gcc/x86_64-linux-gnu/5/include/wmmintrin.h:116:1: error: inlining failed in call to always_inline '_mm_clmulepi64_si128': target specific option mismatch
dh.c: _mm_clmulepi64_si128 (__m128i __X, __m128i __Y, const int __I)
dh.c: ^
dh.c: In file included from dh.c:10:0:
dh.c: ffa.h:64:9: error: called from here
dh.c: re2 = _mm_clmulepi64_si128(op4, op5, ord);\
dh.c: ^
dh.c: ffa.h:96:5: note: in expansion of macro 'low_kts_stp'
dh.c: low_kts_stp(op00,op10,k00,k02,op01,op11,r20,r21,r22,0x11); /* a1xb1 */
dh.c: ^
dh.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/5/include/x86intrin.h:43:0,
dh.c: from lib.h:2,
dh.c: from dh.c:2:
dh.c: /usr/lib/gcc/x86_64-linux-gnu/5/include/wmmintrin.h:116:1: error: inlining failed in call to always_inline '_mm_clmulepi64_si128': target specific option mismatch
dh.c: _mm_clmulepi64_si128 (__m128i __X, __m128i __Y, const int __I)
dh.c: ^
dh.c: In file included from dh.c:10:0:
dh.c: ffa.h:63:9: error: called from here
dh.c: re1 = _mm_clmulepi64_si128(op2, op3, ord);\
dh.c: ^
dh.c: ffa.h:96:5: note: in expansion of macro 'low_kts_stp'
dh.c: ...
dh.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/5/include/x86intrin.h:43:0,
dh.c: from lib.h:2,
dh.c: from dh.c:2:
dh.c: ffa.h: In function 'low_mul':
dh.c: /usr/lib/gcc/x86_64-linux-gnu/5/include/wmmintrin.h:116:1: error: inlining failed in call to always_inline '_mm_clmulepi64_si128': target specific option mismatch
dh.c: _mm_clmulepi64_si128 (__m128i __X, __m128i __Y, const int __I)
dh.c: ^
dh.c: In file included from dh.c:10:0:
dh.c: ffa.h:64:9: error: called from here
dh.c: re2 = _mm_clmulepi64_si128(op4, op5, ord);\
dh.c: ^
dh.c: ffa.h:96:5: note: in expansion of macro 'low_kts_stp'
dh.c: low_kts_stp(op00,op10,k00,k02,op01,op11,r20,r21,r22,0x11); /* a1xb1 */
dh.c: ^
dh.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/5/include/x86intrin.h:43:0,
dh.c: from lib.h:2,
dh.c: from dh.c:2:
dh.c: /usr/lib/gcc/x86_64-linux-gnu/5/include/wmmintrin.h:116:1: error: inlining failed in call to always_inline '_mm_clmulepi64_si128': target specific option mismatch
dh.c: _mm_clmulepi64_si128 (__m128i __X, __m128i __Y, const int __I)
dh.c: ^
dh.c: In file included from dh.c:10:0:
dh.c: ffa.h:63:9: error: called from here
dh.c: re1 = _mm_clmulepi64_si128(op2, op3, ord);\
dh.c: ^
dh.c: ffa.h:96:5: note: in expansion of macro 'low_kts_stp'
dh.c: ...

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

Compiler output

Implementation: crypto_dh/gls254/opt
Compiler: gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer
dh.c: In file included from dh.c:12:0:
dh.c: smu.h: In function 'smu_reg_rec':
dh.c: smu.h:12:5: error: 'asm' operand has impossible constraints
dh.c: asm ("subq %2, %0 \n\t"\
dh.c: ^
dh.c: smu.h:38:9: note: in expansion of macro 'smu_sub_128'
dh.c: smu_sub_128(k00[0], k00[1], ki, sig);
dh.c: ^

Number of similar (compiler,implementation) pairs: 15, namely:
CompilerImplementations
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer opt
gcc -m32 -march=core-avx-i -O3 -fomit-frame-pointer opt
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer opt
gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer opt
gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer opt
gcc -m32 -march=core-avx2 -O -fomit-frame-pointer opt
gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer opt
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer opt
gcc -m32 -march=corei7-avx -O3 -fomit-frame-pointer opt
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer opt
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer opt
gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer opt
gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer opt
gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer opt
gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer opt