Implementation notes: amd64, speed2supercop, crypto_dh/curve2251

Compiler output

curve2_251.c: In file included from curve2_251.c:8:
curve2_251.c: In file included from ./field.h:1:
curve2_251.c: In file included from ./mpfq_2_251.h:5:
curve2_251.c: ./x86_64/mpfq_2_251.h:900:14: error: use of unknown builtin '__builtin_ia32_pslldqi128' [-Wimplicit-function-declaration]
curve2_251.c:                 r.s = t0 ^ SHLD(t1, 64);
curve2_251.c:                            ^
curve2_251.c: ./x86_64/mpfq_2_251.h:748:25: note: expanded from macro 'SHLD'
curve2_251.c: #define SHLD(x,r) (v2di)__builtin_ia32_pslldqi128 ((gcc43bugfix) (x),(r))
curve2_251.c:                         ^
curve2_251.c: ./x86_64/mpfq_2_251.h:900:14: error: invalid conversion between vector type 'v2di' (vector of 2 'uint64_t' values) and integer type 'int' of different size
curve2_251.c:                 r.s = t0 ^ SHLD(t1, 64);
curve2_251.c:                            ^~~~~~~~~~~~
curve2_251.c: ./x86_64/mpfq_2_251.h:748:19: note: expanded from macro 'SHLD'
curve2_251.c: #define SHLD(x,r) (v2di)__builtin_ia32_pslldqi128 ((gcc43bugfix) (x),(r))
curve2_251.c:                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
curve2_251.c: ./x86_64/mpfq_2_251.h:907:14: error: use of unknown builtin '__builtin_ia32_psrldqi128' [-Wimplicit-function-declaration]
curve2_251.c:                 r.s = t2 ^ SHRD(t1, 64);
curve2_251.c:                            ^
curve2_251.c: ./x86_64/mpfq_2_251.h:749:25: note: expanded from macro 'SHRD'
curve2_251.c: #define SHRD(x,r) (v2di)__builtin_ia32_psrldqi128 ((gcc43bugfix) (x),(r))
curve2_251.c:                         ^
curve2_251.c: ./x86_64/mpfq_2_251.h:907:14: error: invalid conversion between vector type 'v2di' (vector of 2 'uint64_t' values) and integer type 'int' of different size
curve2_251.c:                 r.s = t2 ^ SHRD(t1, 64);
curve2_251.c:                            ^~~~~~~~~~~~
curve2_251.c: ./x86_64/mpfq_2_251.h:749:19: note: expanded from macro 'SHRD'
curve2_251.c: ...

Compiler output

curve2_251.c: curve2_251.c:36:13: warning: 'ECcopy' defined but not used [-Wunused-function]
curve2_251.c:    36 | static void ECcopy(Kfield K, dst_ECpoint Q, src_ECpoint P) {
curve2_251.c:       |             ^~~~~~
keysharing.c: In file included from mpfq_2_251.h:5,
keysharing.c:                  from field.h:1,
keysharing.c:                  from keysharing.c:3:
keysharing.c: keysharing.c: In function 'crypto_dh_curve2251_mpfq_timingleaks_keypair':
keysharing.c: x86_64/mpfq_2_251.h:16:25: warning: 'K' is used uninitialized [-Wuninitialized]
keysharing.c:    16 | #define MPFQ_(X)        mpfq_2_251_ ## X
keysharing.c: mpfq_name_K.h:40:33: note: in expansion of macro 'MPFQ_'
keysharing.c:    40 | #define Kset_uipoly(a0,a1)      MPFQ_(set_uipoly) (K,a0,a1)
keysharing.c:       |                                 ^~~~~
keysharing.c: keysharing.c:70:3: note: in expansion of macro 'Kset_uipoly'
keysharing.c:    70 |   Kset_uipoly(base_point, 9);
keysharing.c:       |   ^~~~~~~~~~~
keysharing.c: keysharing.c:58:10: note: 'K' was declared here
keysharing.c:    58 |   Kfield K;
keysharing.c:       |          ^
keysharing.c: keysharing.c: In function 'crypto_dh_curve2251_mpfq_timingleaks':
keysharing.c: keysharing.c:121:3: warning: 'K' is used uninitialized [-Wuninitialized]
keysharing.c:   121 |   ECmul(K, res, base_point, key);
keysharing.c:       |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
keysharing.c: keysharing.c:102:10: note: 'K' was declared here
keysharing.c:   102 |   Kfield K;
keysharing.c:       |          ^

Compiler output

curve2251.c: curve2251.c:21:6: warning: unused variable 'l' [-Wunused-variable]
curve2251.c:         int l;
curve2251.c:             ^
curve2251.c: 1 warning generated.
relic.c: In file included from relic.c:4:
relic.c: ./src/relic_rand.c:117:8: error: call to undeclared function 'time'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
relic.c:         srand(time(NULL));
relic.c:               ^
relic.c: 1 error generated.

Compiler output

curve2251.c: curve2251.c: In function 'crypto_dh_curve2251_relic_amd64_avx_timingleaks_keypair':
curve2251.c: curve2251.c:21:13: warning: unused variable 'l' [-Wunused-variable]
curve2251.c:    21 |         int l;
curve2251.c:       |             ^
relic.c: In file included from relic.c:4:
relic.c: src/relic_rand.c: In function 'rand_init':
relic.c: src/relic_rand.c:117:15: warning: implicit declaration of function 'time' [-Wimplicit-function-declaration]
relic.c:   117 |         srand(time(NULL));
relic.c:       |               ^~~~
relic.c: src/relic_rand.c:1:1: note: 'time' is defined in header '<time.h>'; did you forget to '#include <time.h>'?
relic.c:   +++ |+#include <time.h>
relic.c:     1 | /*
relic.c: In file included from relic.c:3:
relic.c: src/relic_bench.c: At top level:
relic.c: src/relic_bench.c:124:13: warning: 'empty' defined but not used [-Wunused-function]
relic.c:   124 | static void empty(int *a) {
relic.c:       |             ^~~~~
relic_eb.c: In file included from relic_eb.c:2:
relic_eb.c: src/eb/relic_eb_curve.c: In function 'eb_curve_init':
relic_eb.c: src/eb/relic_eb_curve.c:238:13: warning: unused variable 'i' [-Wunused-variable]
relic_eb.c:   238 |         int i;
relic_eb.c:       |             ^
relic_eb.c: src/eb/relic_eb_curve.c: In function 'eb_curve_clean':
relic_eb.c: src/eb/relic_eb_curve.c:266:13: warning: unused variable 'i' [-Wunused-variable]
relic_eb.c:   266 |         int i;
relic_eb.c:       |             ^
relic_fb.c: In file included from relic_fb.c:11:
relic_fb.c: src/low/relic_fb_inv_low.c: In function 'fb_invn_low':
relic_fb.c: src/low/relic_fb_inv_low.c:43:19: warning: unused variable 'chain' [-Wunused-variable]
relic_fb.c:    43 |         int len, *chain = fb_poly_get_chain(&len);
relic_fb.c:       |                   ^~~~~
relic_fb.c: src/low/relic_fb_inv_low.c:40:22: warning: unused variable 'y' [-Wunused-variable]
relic_fb.c:    40 |         int i, j, x, y, u[11];
relic_fb.c:       |                      ^
relic_fb.c: src/low/relic_fb_inv_low.c:40:19: warning: unused variable 'x' [-Wunused-variable]
relic_fb.c:    40 |         int i, j, x, y, u[11];
relic_fb.c:       |                   ^
relic_fb.c: src/low/relic_fb_inv_low.c:40:13: warning: unused variable 'i' [-Wunused-variable]
relic_fb.c:    40 |         int i, j, x, y, u[11];
relic_fb.c:       |             ^
try.c: /usr/bin/ld: libcrypto_dh_curve2251.a(relic_low.o): warning: relocation in read-only section `.eh_frame'
try.c: /usr/bin/ld: warning: creating DT_TEXTREL in a PIE
try.c: /usr/bin/ld: libcrypto_dh_curve2251.a(relic_low.o): warning: relocation in read-only section `.eh_frame'
try.c: /usr/bin/ld: warning: creating DT_TEXTREL in a PIE
measure.c: /usr/bin/ld: libcrypto_dh_curve2251.a(relic_low.o): warning: relocation in read-only section `.eh_frame'
measure.c: /usr/bin/ld: warning: creating DT_TEXTREL in a PIE

Compiler output

curve2251.c: curve2251.c: In function 'crypto_dh_curve2251_relic_amd64_clmul_timingleaks_keypair':
curve2251.c: curve2251.c:21:13: warning: unused variable 'l' [-Wunused-variable]
curve2251.c:    21 |         int l;
curve2251.c:       |             ^
relic.c: In file included from relic.c:4:
relic.c: src/relic_rand.c: In function 'rand_init':
relic.c: src/relic_rand.c:117:15: warning: implicit declaration of function 'time' [-Wimplicit-function-declaration]
relic.c:   117 |         srand(time(NULL));
relic.c:       |               ^~~~
relic.c: src/relic_rand.c:1:1: note: 'time' is defined in header '<time.h>'; did you forget to '#include <time.h>'?
relic.c:   +++ |+#include <time.h>
relic.c:     1 | /*
relic.c: In file included from relic.c:3:
relic.c: src/relic_bench.c: At top level:
relic.c: src/relic_bench.c:124:13: warning: 'empty' defined but not used [-Wunused-function]
relic.c:   124 | static void empty(int *a) {
relic.c:       |             ^~~~~
relic_eb.c: In file included from relic_eb.c:2:
relic_eb.c: src/eb/relic_eb_curve.c: In function 'eb_curve_init':
relic_eb.c: src/eb/relic_eb_curve.c:238:13: warning: unused variable 'i' [-Wunused-variable]
relic_eb.c:   238 |         int i;
relic_eb.c:       |             ^
relic_eb.c: src/eb/relic_eb_curve.c: In function 'eb_curve_clean':
relic_eb.c: src/eb/relic_eb_curve.c:266:13: warning: unused variable 'i' [-Wunused-variable]
relic_eb.c:   266 |         int i;
relic_eb.c:       |             ^
relic_fb.c: In file included from relic_fb.c:11:
relic_fb.c: src/low/relic_fb_inv_low.c: In function 'fb_invn_low':
relic_fb.c: src/low/relic_fb_inv_low.c:43:19: warning: unused variable 'chain' [-Wunused-variable]
relic_fb.c:    43 |         int len, *chain = fb_poly_get_chain(&len);
relic_fb.c:       |                   ^~~~~
relic_fb.c: src/low/relic_fb_inv_low.c:40:22: warning: unused variable 'y' [-Wunused-variable]
relic_fb.c:    40 |         int i, j, x, y, u[11];
relic_fb.c:       |                      ^
relic_fb.c: src/low/relic_fb_inv_low.c:40:19: warning: unused variable 'x' [-Wunused-variable]
relic_fb.c:    40 |         int i, j, x, y, u[11];
relic_fb.c:       |                   ^
relic_fb.c: src/low/relic_fb_inv_low.c:40:13: warning: unused variable 'i' [-Wunused-variable]
relic_fb.c:    40 |         int i, j, x, y, u[11];
relic_fb.c:       |             ^
try.c: /usr/bin/ld: libcrypto_dh_curve2251.a(relic_low.o): warning: relocation in read-only section `.eh_frame'
try.c: /usr/bin/ld: warning: creating DT_TEXTREL in a PIE
try.c: /usr/bin/ld: libcrypto_dh_curve2251.a(relic_low.o): warning: relocation in read-only section `.eh_frame'
try.c: /usr/bin/ld: warning: creating DT_TEXTREL in a PIE
measure.c: /usr/bin/ld: libcrypto_dh_curve2251.a(relic_low.o): warning: relocation in read-only section `.eh_frame'
measure.c: /usr/bin/ld: warning: creating DT_TEXTREL in a PIE

Compiler output

curve2251.c: curve2251.c: In function 'crypto_dh_curve2251_relic_amd64_ssse3_timingleaks_keypair':
curve2251.c: curve2251.c:21:13: warning: unused variable 'l' [-Wunused-variable]
curve2251.c:    21 |         int l;
curve2251.c:       |             ^
relic.c: In file included from relic.c:4:
relic.c: src/relic_rand.c: In function 'rand_init':
relic.c: src/relic_rand.c:117:15: warning: implicit declaration of function 'time' [-Wimplicit-function-declaration]
relic.c:   117 |         srand(time(NULL));
relic.c:       |               ^~~~
relic.c: src/relic_rand.c:1:1: note: 'time' is defined in header '<time.h>'; did you forget to '#include <time.h>'?
relic.c:   +++ |+#include <time.h>
relic.c:     1 | /*
relic.c: In file included from relic.c:3:
relic.c: src/relic_bench.c: At top level:
relic.c: src/relic_bench.c:124:13: warning: 'empty' defined but not used [-Wunused-function]
relic.c:   124 | static void empty(int *a) {
relic.c:       |             ^~~~~
relic_eb.c: In file included from relic_eb.c:2:
relic_eb.c: src/eb/relic_eb_curve.c: In function 'eb_curve_init':
relic_eb.c: src/eb/relic_eb_curve.c:238:13: warning: unused variable 'i' [-Wunused-variable]
relic_eb.c:   238 |         int i;
relic_eb.c:       |             ^
relic_eb.c: src/eb/relic_eb_curve.c: In function 'eb_curve_clean':
relic_eb.c: src/eb/relic_eb_curve.c:266:13: warning: unused variable 'i' [-Wunused-variable]
relic_eb.c:   266 |         int i;
relic_eb.c:       |             ^
relic_fb.c: In file included from relic_fb.c:11:
relic_fb.c: src/low/relic_fb_inv_low.c: In function 'fb_invn_low':
relic_fb.c: src/low/relic_fb_inv_low.c:43:19: warning: unused variable 'chain' [-Wunused-variable]
relic_fb.c:    43 |         int len, *chain = fb_poly_get_chain(&len);
relic_fb.c:       |                   ^~~~~
relic_fb.c: src/low/relic_fb_inv_low.c:40:22: warning: unused variable 'y' [-Wunused-variable]
relic_fb.c:    40 |         int i, j, x, y, u[11];
relic_fb.c:       |                      ^
relic_fb.c: src/low/relic_fb_inv_low.c:40:19: warning: unused variable 'x' [-Wunused-variable]
relic_fb.c:    40 |         int i, j, x, y, u[11];
relic_fb.c:       |                   ^
relic_fb.c: src/low/relic_fb_inv_low.c:40:13: warning: unused variable 'i' [-Wunused-variable]
relic_fb.c:    40 |         int i, j, x, y, u[11];
relic_fb.c:       |             ^
try.c: /usr/bin/ld: libcrypto_dh_curve2251.a(relic_low.o): warning: relocation in read-only section `.eh_frame'
try.c: /usr/bin/ld: warning: creating DT_TEXTREL in a PIE
try.c: /usr/bin/ld: libcrypto_dh_curve2251.a(relic_low.o): warning: relocation in read-only section `.eh_frame'
try.c: /usr/bin/ld: warning: creating DT_TEXTREL in a PIE
measure.c: /usr/bin/ld: libcrypto_dh_curve2251.a(relic_low.o): warning: relocation in read-only section `.eh_frame'
measure.c: /usr/bin/ld: warning: creating DT_TEXTREL in a PIE