Implementation notes: amd64, cherry, crypto_dh/gls254
Computer: cherry
Microarchitecture: amd64; Silvermont (406c4)
Architecture: amd64
CPU ID: GenuineIntel-000406c4-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_dh
Primitive: gls254
| Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
|---|
| 563785 | 134992 16 0 | 155131 852 1720 | T:ref | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 568318 | 131136 16 0 | 149723 852 1720 | T:ref | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 578231 | 28539 98336 0 | 48831 99140 1784 | T:ref | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 589230 | 115415 16 0 | 132529 844 1720 | T:ref | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 598505 | 14747 98336 0 | 33879 99140 1784 | T:ref | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 604712 | 12108 98336 0 | 29287 99132 1752 | T:ref | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 612033 | 13310 98336 0 | 31615 99140 1784 | T:ref | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 629858 | 110638 16 0 | 128537 844 1720 | T:ref | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 819196 | 23848 196608 0 | 43720 197404 1784 | T:opt | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 819637 | 20194 196608 0 | 38400 197404 1784 | T:opt | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 820271 | 21952 196608 0 | 40704 197404 1784 | T:opt | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 824888 | 23528 196608 0 | 40974 197428 1720 | T:opt | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 826215 | 19694 196608 0 | 37622 197428 1720 | T:opt | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 827202 | 16629 196608 0 | 33672 197396 1752 | T:opt | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 838966 | 38219 98304 0 | 58520 99100 1784 | T:prot | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 842138 | 16624 98304 0 | 35776 99100 1784 | T:prot | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 843287 | 51302 196608 0 | 70208 197436 1720 | T:opt | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 848436 | 12954 98304 0 | 30032 99092 1752 | T:prot | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 849357 | 51302 196608 0 | 71872 197436 1720 | T:opt | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 857908 | 123448 0 0 | 140286 812 1720 | T:prot | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 889896 | 154880 0 0 | 173184 820 1720 | T:prot | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 893306 | 14539 98304 0 | 32784 99100 1784 | T:prot | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 893486 | 157952 0 0 | 177904 820 1720 | T:prot | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
| 915676 | 112751 0 0 | 130566 812 1720 | T:prot | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
Compiler output
dh.c: In file included from dh.c:10:
dh.c: ./ffa.h:273:13: warning: unused variable 'dt0' [-Wunused-variable]
dh.c: __m128i dt0, dt1;
dh.c: ^
dh.c: ./ffa.h:273:18: warning: unused variable 'dt1' [-Wunused-variable]
dh.c: __m128i dt0, dt1;
dh.c: ^
dh.c: In file included from dh.c:12:
dh.c: ./smu.h:196:31: warning: unused variable 'one' [-Wunused-variable]
dh.c: __m128i sig_sse, msk_sse, one;
dh.c: ^
dh.c: 3 warnings generated.
Number of similar (implementation,compiler) pairs: 3, namely:
| Implementation | Compiler |
| T:opt | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
| T:opt | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
| T:opt | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
Compiler output
dh.c: In file included from dh.c:10:
dh.c: ./ffa.h:273:18: warning: unused variable 'dt1' [-Wunused-variable]
dh.c: __m128i dt0, dt1;
dh.c: ^
dh.c: ./ffa.h:273:13: warning: unused variable 'dt0' [-Wunused-variable]
dh.c: __m128i dt0, dt1;
dh.c: ^
dh.c: In file included from dh.c:12:
dh.c: ./smu.h:196:31: warning: unused variable 'one' [-Wunused-variable]
dh.c: __m128i sig_sse, msk_sse, one;
dh.c: ^
dh.c: 3 warnings generated.
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:opt | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
Compiler output
dh.c: In file included from dh.c:10:
dh.c: ./ffa.h:94:5: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: low_kts_stp(op00,op10,k00,k02,op01,op11,r00,r01,r02,0x00); /* a0xb0 */
dh.c: ^
dh.c: ./ffa.h:62:11: note: expanded from macro 'low_kts_stp'
dh.c: re0 = _mm_clmulepi64_si128(op0, op1, ord);\
dh.c: ^
dh.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_pclmul.h:45:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(X), \
dh.c: ^
dh.c: In file included from dh.c:10:
dh.c: ./ffa.h:94:5: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: ./ffa.h:63:11: note: expanded from macro 'low_kts_stp'
dh.c: re1 = _mm_clmulepi64_si128(op2, op3, ord);\
dh.c: ^
dh.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_pclmul.h:45:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(X), \
dh.c: ^
dh.c: In file included from dh.c:10:
dh.c: ./ffa.h:94:5: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: ./ffa.h:64:11: note: expanded from macro 'low_kts_stp'
dh.c: re2 = _mm_clmulepi64_si128(op4, op5, ord);\
dh.c: ^
dh.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_pclmul.h:45:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(X), \
dh.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:opt | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
Compiler output
dh.c: In file included from dh.c:10:
dh.c: ffa.h: In function 'low_sqr':
dh.c: ffa.h:273:18: warning: unused variable 'dt1' [-Wunused-variable]
dh.c: 273 | __m128i dt0, dt1;
dh.c: | ^~~
dh.c: ffa.h:273:13: warning: unused variable 'dt0' [-Wunused-variable]
dh.c: 273 | __m128i dt0, dt1;
dh.c: | ^~~
dh.c: In file included from dh.c:12:
dh.c: smu.h: In function 'smu_pre_5nf':
dh.c: smu.h:58:18: warning: variable 'ml00' set but not used [-Wunused-but-set-variable]
dh.c: 58 | __m128i ONE, ml00;
dh.c: | ^~~~
dh.c: smu.h: In function 'smu_5nf_dna_ltr':
dh.c: smu.h:196:31: warning: unused variable 'one' [-Wunused-variable]
dh.c: 196 | __m128i sig_sse, msk_sse, one;
dh.c: | ^~~
Number of similar (implementation,compiler) pairs: 4, namely:
| Implementation | Compiler |
| T:opt | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
| T:opt | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
| T:opt | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
| T:opt | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
Compiler output
dh.c: In file included from dh.c:7:
dh.c: ./low.incl:65:38: warning: unused variable 't1' [-Wunused-variable]
dh.c: __m128i m1, m0, m2, m3, m4, m5, t0, t1;
dh.c: ^
dh.c: ./low.incl:153:14: warning: unused variable 't1' [-Wunused-variable]
dh.c: __m128i t0, t1, sq, mask;
dh.c: ^
dh.c: ./low.incl:271:7: warning: unused variable 'uu' [-Wunused-variable]
dh.c: ui64 uu[2], vv[2];
dh.c: ^
dh.c: ./low.incl:271:14: warning: unused variable 'vv' [-Wunused-variable]
dh.c: ui64 uu[2], vv[2];
dh.c: ^
dh.c: In file included from dh.c:9:
dh.c: ./scmul.incl:168:38: warning: unused variable 'c' [-Wunused-variable]
dh.c: ui64 r, carry, shift, mask, *c;
dh.c: ^
dh.c: ./scmul.incl:191:13: warning: unused variable 'efe' [-Wunused-variable]
dh.c: i64 efe=(ui64)(-1), zero = 0x0, one = 0x1;
dh.c: ^
dh.c: ./scmul.incl:191:29: warning: unused variable 'zero' [-Wunused-variable]
dh.c: i64 efe=(ui64)(-1), zero = 0x0, one = 0x1;
dh.c: ^
dh.c: ./scmul.incl:191:41: warning: unused variable 'one' [-Wunused-variable]
dh.c: i64 efe=(ui64)(-1), zero = 0x0, one = 0x1;
dh.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:prot | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
Compiler output
dh.c: In file included from dh.c:7:
dh.c: ./low.incl:65:38: warning: unused variable 't1' [-Wunused-variable]
dh.c: __m128i m1, m0, m2, m3, m4, m5, t0, t1;
dh.c: ^
dh.c: ./low.incl:153:14: warning: unused variable 't1' [-Wunused-variable]
dh.c: __m128i t0, t1, sq, mask;
dh.c: ^
dh.c: ./low.incl:271:14: warning: unused variable 'vv' [-Wunused-variable]
dh.c: ui64 uu[2], vv[2];
dh.c: ^
dh.c: ./low.incl:271:7: warning: unused variable 'uu' [-Wunused-variable]
dh.c: ui64 uu[2], vv[2];
dh.c: ^
dh.c: In file included from dh.c:9:
dh.c: ./scmul.incl:168:38: warning: unused variable 'c' [-Wunused-variable]
dh.c: ui64 r, carry, shift, mask, *c;
dh.c: ^
dh.c: ./scmul.incl:191:41: warning: unused variable 'one' [-Wunused-variable]
dh.c: i64 efe=(ui64)(-1), zero = 0x0, one = 0x1;
dh.c: ^
dh.c: ./scmul.incl:189:13: warning: unused variable 't0' [-Wunused-variable]
dh.c: i64 t0, mask;
dh.c: ^
dh.c: ./scmul.incl:191:29: warning: unused variable 'zero' [-Wunused-variable]
dh.c: i64 efe=(ui64)(-1), zero = 0x0, one = 0x1;
dh.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:prot | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
Compiler output
dh.c: In file included from dh.c:7:
dh.c: ./low.incl:65:38: warning: unused variable 't1' [-Wunused-variable]
dh.c: __m128i m1, m0, m2, m3, m4, m5, t0, t1;
dh.c: ^
dh.c: ./low.incl:153:14: warning: unused variable 't1' [-Wunused-variable]
dh.c: __m128i t0, t1, sq, mask;
dh.c: ^
dh.c: ./low.incl:271:7: warning: unused variable 'uu' [-Wunused-variable]
dh.c: ui64 uu[2], vv[2];
dh.c: ^
dh.c: ./low.incl:271:14: warning: unused variable 'vv' [-Wunused-variable]
dh.c: ui64 uu[2], vv[2];
dh.c: ^
dh.c: In file included from dh.c:9:
dh.c: ./scmul.incl:168:38: warning: unused variable 'c' [-Wunused-variable]
dh.c: ui64 r, carry, shift, mask, *c;
dh.c: ^
dh.c: ./scmul.incl:189:13: warning: unused variable 't0' [-Wunused-variable]
dh.c: i64 t0, mask;
dh.c: ^
dh.c: ./scmul.incl:191:13: warning: unused variable 'efe' [-Wunused-variable]
dh.c: i64 efe=(ui64)(-1), zero = 0x0, one = 0x1;
dh.c: ^
dh.c: ./scmul.incl:191:29: warning: unused variable 'zero' [-Wunused-variable]
dh.c: i64 efe=(ui64)(-1), zero = 0x0, one = 0x1;
dh.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:prot | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
Compiler output
dh.c: In file included from dh.c:7:
dh.c: ./low.incl:65:38: warning: unused variable 't1' [-Wunused-variable]
dh.c: __m128i m1, m0, m2, m3, m4, m5, t0, t1;
dh.c: ^
dh.c: ./low.incl:153:14: warning: unused variable 't1' [-Wunused-variable]
dh.c: __m128i t0, t1, sq, mask;
dh.c: ^
dh.c: ./low.incl:271:7: warning: unused variable 'uu' [-Wunused-variable]
dh.c: ui64 uu[2], vv[2];
dh.c: ^
dh.c: ./low.incl:271:14: warning: unused variable 'vv' [-Wunused-variable]
dh.c: ui64 uu[2], vv[2];
dh.c: ^
dh.c: In file included from dh.c:9:
dh.c: ./scmul.incl:168:38: warning: unused variable 'c' [-Wunused-variable]
dh.c: ui64 r, carry, shift, mask, *c;
dh.c: ^
dh.c: ./scmul.incl:191:29: warning: unused variable 'zero' [-Wunused-variable]
dh.c: i64 efe=(ui64)(-1), zero = 0x0, one = 0x1;
dh.c: ^
dh.c: ./scmul.incl:191:13: warning: unused variable 'efe' [-Wunused-variable]
dh.c: i64 efe=(ui64)(-1), zero = 0x0, one = 0x1;
dh.c: ^
dh.c: ./scmul.incl:189:13: warning: unused variable 't0' [-Wunused-variable]
dh.c: i64 t0, mask;
dh.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:prot | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
Compiler output
dh.c: In file included from dh.c:7:
dh.c: ./low.incl:26:2: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: MUL4(m1, m0, ma, mb);
dh.c: ^
dh.c: ./gls254.h:155:7: note: expanded from macro 'MUL4'
dh.c: r0 = _mm_clmulepi64_si128(ma, mb, 0x00);\
dh.c: ^
dh.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_pclmul.h:45:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(X), \
dh.c: ^
dh.c: In file included from dh.c:7:
dh.c: ./low.incl:26:2: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: ./gls254.h:156:7: note: expanded from macro 'MUL4'
dh.c: r1 = _mm_clmulepi64_si128(ma, mb, 0x11);\
dh.c: ^
dh.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_pclmul.h:45:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(X), \
dh.c: ^
dh.c: In file included from dh.c:7:
dh.c: ./low.incl:26:2: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: ./gls254.h:157:7: note: expanded from macro 'MUL4'
dh.c: t0 = _mm_clmulepi64_si128(t0, t0, 0x10);\
dh.c: ^
dh.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_pclmul.h:45:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(X), \
dh.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:prot | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
Compiler output
dh.c: In file included from dh.c:7:
dh.c: low.incl: In function 'low_mul_nr254':
dh.c: low.incl:65:38: warning: unused variable 't1' [-Wunused-variable]
dh.c: 65 | __m128i m1, m0, m2, m3, m4, m5, t0, t1;
dh.c: | ^~
dh.c: low.incl: In function 'low_sq_nr254':
dh.c: low.incl:153:14: warning: unused variable 't1' [-Wunused-variable]
dh.c: 153 | __m128i t0, t1, sq, mask;
dh.c: | ^~
dh.c: low.incl: In function 'low_sqrt254':
dh.c: low.incl:271:14: warning: unused variable 'vv' [-Wunused-variable]
dh.c: 271 | ui64 uu[2], vv[2];
dh.c: | ^~
dh.c: low.incl:271:7: warning: unused variable 'uu' [-Wunused-variable]
dh.c: 271 | ui64 uu[2], vv[2];
dh.c: | ^~
dh.c: In file included from dh.c:9:
dh.c: scmul.incl: In function 'bn_rsh':
dh.c: scmul.incl:168:38: warning: unused variable 'c' [-Wunused-variable]
dh.c: 168 | ui64 r, carry, shift, mask, *c;
dh.c: | ^
dh.c: scmul.incl: In function 'scmul_wreg':
dh.c: scmul.incl:191:41: warning: unused variable 'one' [-Wunused-variable]
dh.c: 191 | i64 efe=(ui64)(-1), zero = 0x0, one = 0x1;
dh.c: | ^~~
dh.c: ...
Number of similar (implementation,compiler) pairs: 4, namely:
| Implementation | Compiler |
| T:prot | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
| T:prot | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
| T:prot | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
| T:prot | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
Compiler output
dh.c: In file included from dh.c:7:
dh.c: ./low.incl:65:38: warning: unused variable 't1' [-Wunused-variable]
dh.c: __m128i m1, m0, m2, m3, m4, m5, t0, t1;
dh.c: ^
dh.c: ./low.incl:153:14: warning: unused variable 't1' [-Wunused-variable]
dh.c: __m128i t0, t1, sq, mask;
dh.c: ^
dh.c: ./low.incl:271:7: warning: unused variable 'uu' [-Wunused-variable]
dh.c: ui64 uu[2], vv[2];
dh.c: ^
dh.c: ./low.incl:271:14: warning: unused variable 'vv' [-Wunused-variable]
dh.c: ui64 uu[2], vv[2];
dh.c: ^
dh.c: In file included from dh.c:9:
dh.c: ./scmul.incl:204:14: warning: & has lower precedence than ==; == will be evaluated first [-Wparentheses]
dh.c: if (num[0] & 0x1 == 1) {
dh.c: ^~~~~~~~~~
dh.c: ./scmul.incl:204:14: note: place parentheses around the '==' expression to silence this warning
dh.c: if (num[0] & 0x1 == 1) {
dh.c: ^
dh.c: ( )
dh.c: ./scmul.incl:204:14: note: place parentheses around the & expression to evaluate it first
dh.c: if (num[0] & 0x1 == 1) {
dh.c: ^
dh.c: ( )
dh.c: ...
Number of similar (implementation,compiler) pairs: 2, namely:
| Implementation | Compiler |
| T:ref | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
| T:ref | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
Compiler output
dh.c: In file included from dh.c:7:
dh.c: ./low.incl:65:38: warning: unused variable 't1' [-Wunused-variable]
dh.c: __m128i m1, m0, m2, m3, m4, m5, t0, t1;
dh.c: ^
dh.c: ./low.incl:153:14: warning: unused variable 't1' [-Wunused-variable]
dh.c: __m128i t0, t1, sq, mask;
dh.c: ^
dh.c: ./low.incl:271:14: warning: unused variable 'vv' [-Wunused-variable]
dh.c: ui64 uu[2], vv[2];
dh.c: ^
dh.c: ./low.incl:271:7: warning: unused variable 'uu' [-Wunused-variable]
dh.c: ui64 uu[2], vv[2];
dh.c: ^
dh.c: In file included from dh.c:9:
dh.c: ./scmul.incl:204:14: warning: & has lower precedence than ==; == will be evaluated first [-Wparentheses]
dh.c: if (num[0] & 0x1 == 1) {
dh.c: ^~~~~~~~~~
dh.c: ./scmul.incl:204:14: note: place parentheses around the '==' expression to silence this warning
dh.c: if (num[0] & 0x1 == 1) {
dh.c: ^
dh.c: ( )
dh.c: ./scmul.incl:204:14: note: place parentheses around the & expression to evaluate it first
dh.c: if (num[0] & 0x1 == 1) {
dh.c: ^
dh.c: ( )
dh.c: ...
Number of similar (implementation,compiler) pairs: 2, namely:
| Implementation | Compiler |
| T:ref | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
| T:ref | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
Compiler output
dh.c: In file included from dh.c:6:
dh.c: ./curves.incl:53:2: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
dh.c: STEP(k, t, tmp, 16*1, 0x01);
dh.c: ^
dh.c: ./gls254.h:272:6: note: expanded from macro 'STEP'
dh.c: t = _mm_aeskeygenassist_si128(k, rcon);\
dh.c: ^
dh.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_aes.h:136:12: note: expanded from macro '_mm_aeskeygenassist_si128'
dh.c: (__m128i)__builtin_ia32_aeskeygenassist128((__v2di)(__m128i)(C), (int)(R))
dh.c: ^
dh.c: In file included from dh.c:6:
dh.c: ./curves.incl:54:2: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
dh.c: STEP(k, t, tmp, 16*2, 0x02);
dh.c: ^
dh.c: ./gls254.h:272:6: note: expanded from macro 'STEP'
dh.c: t = _mm_aeskeygenassist_si128(k, rcon);\
dh.c: ^
dh.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_aes.h:136:12: note: expanded from macro '_mm_aeskeygenassist_si128'
dh.c: (__m128i)__builtin_ia32_aeskeygenassist128((__v2di)(__m128i)(C), (int)(R))
dh.c: ^
dh.c: In file included from dh.c:6:
dh.c: ./curves.incl:55:2: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
dh.c: STEP(k, t, tmp, 16*3, 0x04);
dh.c: ^
dh.c: ./gls254.h:272:6: note: expanded from macro 'STEP'
dh.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:ref | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
Compiler output
dh.c: In file included from dh.c:7:
dh.c: low.incl: In function 'low_mul_nr254':
dh.c: low.incl:65:38: warning: unused variable 't1' [-Wunused-variable]
dh.c: 65 | __m128i m1, m0, m2, m3, m4, m5, t0, t1;
dh.c: | ^~
dh.c: low.incl: In function 'low_sq_nr254':
dh.c: low.incl:153:14: warning: unused variable 't1' [-Wunused-variable]
dh.c: 153 | __m128i t0, t1, sq, mask;
dh.c: | ^~
dh.c: low.incl: In function 'low_sqrt254':
dh.c: low.incl:271:14: warning: unused variable 'vv' [-Wunused-variable]
dh.c: 271 | ui64 uu[2], vv[2];
dh.c: | ^~
dh.c: low.incl:271:7: warning: unused variable 'uu' [-Wunused-variable]
dh.c: 271 | ui64 uu[2], vv[2];
dh.c: | ^~
dh.c: In file included from dh.c:9:
dh.c: scmul.incl: In function 'scmul_4wnafend':
dh.c: scmul.incl:204:14: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
dh.c: 204 | if (num[0] & 0x1 == 1) {
dh.c: | ^
Number of similar (implementation,compiler) pairs: 4, namely:
| Implementation | Compiler |
| T:ref | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
| T:ref | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
| T:ref | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
| T:ref | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |