Implementation notes: amd64, temp, crypto_kem/lac256

Computer: temp
Architecture: amd64
CPU ID: AuthenticAMD-00800f12-178bfbff
SUPERCOP version: 20191017
Operation: crypto_kem
Primitive: lac256

Compiler output

Implementation: avx2
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
rng.c: rng.c: In function 'seedexpander':
rng.c: rng.c:90:9: error: 'for' loop initial declarations are only allowed in C99 mode
rng.c: for (int i=15; i>=12; i--) {
rng.c: ^
rng.c: rng.c:90:9: note: use option -std=c99 or -std=gnu99 to compile your code
rng.c: rng.c: In function 'AES256_CTR_DRBG_Update':
rng.c: rng.c:145:5: error: 'for' loop initial declarations are only allowed in C99 mode
rng.c: for (int i=0; i<3; i++) {
rng.c: ^
rng.c: rng.c:147:9: error: 'for' loop initial declarations are only allowed in C99 mode
rng.c: for (int j=15; j>=0; j--) {
rng.c: ^
rng.c: rng.c:159:18: error: redefinition of 'i'
rng.c: for (int i=0; i<48; i++)
rng.c: ^
rng.c: rng.c:145:14: note: previous definition of 'i' was here
rng.c: for (int i=0; i<3; i++) {
rng.c: ^
rng.c: rng.c:159:9: error: 'for' loop initial declarations are only allowed in C99 mode
rng.c: for (int i=0; i<48; i++)
rng.c: ^
Number of similar (compiler,implementation) pairs: 12, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE avx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE avx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE avx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE avx2
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE opt
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE opt
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE opt
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE opt
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE ref