Implementation notes: mipso32, gcc23, crypto_aead/simple64speck

Computer: gcc23
Microarchitecture: mipso32; Octeon II (cnmips64v2)
Architecture: mipso32
CPU ID: unknown CPU ID
SUPERCOP version: 20230530
Operation: crypto_aead
Primitive: simple64speck

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
simple_64-128.c: simple_64-128.c: In function 'derive_double':
simple_64-128.c: simple_64-128.c:43:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
simple_64-128.c: for(u8 i=0; i<MSZ; i++){
simple_64-128.c: ^
simple_64-128.c: simple_64-128.c:43:2: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
simple_64-128.c: simple_64-128.c:50:9: error: redefinition of 'i'
simple_64-128.c: for(u8 i=0; i<MSZ; i++){
simple_64-128.c: ^
simple_64-128.c: simple_64-128.c:43:9: note: previous definition of 'i' was here
simple_64-128.c: for(u8 i=0; i<MSZ; i++){
simple_64-128.c: ^
simple_64-128.c: simple_64-128.c:50:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
simple_64-128.c: for(u8 i=0; i<MSZ; i++){
simple_64-128.c: ^
simple_64-128.c: simple_64-128.c:57:9: error: redefinition of 'i'
simple_64-128.c: for(u8 i=0; i<MSZ; i++){
simple_64-128.c: ^
simple_64-128.c: simple_64-128.c:50:9: note: previous definition of 'i' was here
simple_64-128.c: for(u8 i=0; i<MSZ; i++){
simple_64-128.c: ^
simple_64-128.c: simple_64-128.c:57:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
simple_64-128.c: for(u8 i=0; i<MSZ; i++){
simple_64-128.c: ^
simple_64-128.c: simple_64-128.c:64:9: error: redefinition of 'i'
simple_64-128.c: for(u8 i=0; i<MSZ; i++){
simple_64-128.c: ...
Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
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