Implementation notes: mipso32, gcc23, crypto_sign/sphincss256sha256simple

Computer: gcc23
Microarchitecture: mipso32; Octeon II (cnmips64v2)
Architecture: mipso32
CPU ID: unknown CPU ID
SUPERCOP version: 20230530
Operation: crypto_sign
Primitive: sphincss256sha256simple

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

hash_sha256x8.c: In file included from hash_sha256x8.c:10:0:
hash_sha256x8.c: sha256avx.h:3:23: fatal error: immintrin.h: No such file or directory
hash_sha256x8.c: #include "immintrin.h"
hash_sha256x8.c: ^
hash_sha256x8.c: compilation terminated.

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

sha256.c: sha256.c: In function 'sha256_inc_init':
sha256.c: sha256.c:261:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
sha256.c: for (size_t i = 0; i < 32; ++i) {
sha256.c: ^
sha256.c: sha256.c:261:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
sha256.c: sha256.c:264:17: error: redefinition of 'i'
sha256.c: for (size_t i = 32; i < 40; ++i) {
sha256.c: ^
sha256.c: sha256.c:261:17: note: previous definition of 'i' was here
sha256.c: for (size_t i = 0; i < 32; ++i) {
sha256.c: ^
sha256.c: sha256.c:264:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
sha256.c: for (size_t i = 32; i < 40; ++i) {
sha256.c: ^
sha256.c: sha256.c: In function 'sha256_inc_finalize':
sha256.c: sha256.c:287:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
sha256.c: for (size_t i = 0; i < inlen; ++i) {
sha256.c: ^
sha256.c: sha256.c:293:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
sha256.c: for (size_t i = inlen + 1; i < 56; ++i) {
sha256.c: ^
sha256.c: sha256.c:306:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
sha256.c: for (size_t i = inlen + 1; i < 120; ++i) {
sha256.c: ^
sha256.c: sha256.c:320:17: error: redefinition of 'i'
sha256.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref