Implementation notes: riscv64, riscvunleashed000, crypto_aead/iscream14v2

Computer: riscvunleashed000
Microarchitecture: riscv64; U54 (sifive,u54-mc)
Architecture: riscv64
CPU ID: unknown CPU ID
SUPERCOP version: 20240107
Operation: crypto_aead
Primitive: iscream14v2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1555475	9228 1024 0	23637 1808 848	`T:ref`	`gcc_-mcpu=sifive-u54_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240115	20231222
1628463	7904 1024 0	23181 1800 848	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240115	20231222
1628493	7904 1024 0	23181 1800 848	`T:ref`	`clang_-march=rv64imafdc_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240115	20231222
1660461	6696 1024 0	21557 1800 848	`T:ref`	`clang_-march=rv64imafdc_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240115	20231222
1660473	6696 1024 0	21557 1800 848	`T:ref`	`clang_-march=rv64imafdc_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240115	20231222
3078269	4324 1024 0	17507 1792 841	`T:ref`	`clang_-march=rv64imafdc_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240115	20231222
3427301	2978 1024 0	15713 1808 848	`T:ref`	`gcc_-mcpu=sifive-u54_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240115	20231222
4159514	2540 1024 0	13931 1792 848	`T:ref`	`gcc_-mcpu=sifive-u54_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240115	20231222
4450346	2966 1024 0	15327 1808 848	`T:ref`	`gcc_-mcpu=sifive-u54_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240115	20231222

Compiler output

Implementation: T:sse
Security model: timingleaks
Compiler: clang -march=rv64imafdc -mtune=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

iscream.c: iscream.c:179:5: error: invalid output constraint '=x' in asm
iscream.c: READ(tables[0], table);
iscream.c: ^
iscream.c: iscream.c:174:18: note: expanded from macro 'READ'
iscream.c: [data] "=x" (x): \
iscream.c: ^
iscream.c: iscream.c:181:10: error: use of unknown builtin '__builtin_ia32_psrldi128' [-Wimplicit-function-declaration]
iscream.c: t0 = shift_right(in[0]) & V(0xf);
iscream.c: ^
iscream.c: iscream.c:16:32: note: expanded from macro 'shift_right'
iscream.c: #define shift_right(x) ((v16qi)__builtin_ia32_psrldi128((v4si)x, 4))
iscream.c: ^
iscream.c: iscream.c:181:10: error: invalid conversion between vector type 'v16qi' (vector of 16 'char' values) and integer type 'int' of different size
iscream.c: t0 = shift_right(in[0]) & V(0xf);
iscream.c: ^~~~~~~~~~~~~~~~~~
iscream.c: iscream.c:16:25: note: expanded from macro 'shift_right'
iscream.c: #define shift_right(x) ((v16qi)__builtin_ia32_psrldi128((v4si)x, 4))
iscream.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
iscream.c: iscream.c:182:10: error: invalid conversion between vector type 'v16qi' (vector of 16 'char' values) and integer type 'int' of different size
iscream.c: t1 = shift_right(in[2]) & V(0xf);
iscream.c: ^~~~~~~~~~~~~~~~~~
iscream.c: iscream.c:16:25: note: expanded from macro 'shift_right'
iscream.c: #define shift_right(x) ((v16qi)__builtin_ia32_psrldi128((v4si)x, 4))
iscream.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
iscream.c: iscream.c:184:10: error: use of unknown builtin '__builtin_ia32_pshufb128' [-Wimplicit-function-declaration]
iscream.c: ...

Number of similar (compiler,implementation) pairs: 5, namely:

Compiler	Implementations
clang -march=rv64imafdc -mtune=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:sse
clang -march=rv64imafdc -mtune=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:sse
clang -march=rv64imafdc -mtune=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:sse
clang -march=rv64imafdc -mtune=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:sse
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:sse

Compiler output

Implementation: T:sse
Security model: timingleaks
Compiler: gcc -mcpu=sifive-u54 -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

iscream.c: iscream.c: In function 'LBox16P':
iscream.c: iscream.c:16:32: warning: implicit declaration of function '__builtin_ia32_psrldi128' [-Wimplicit-function-declaration]
iscream.c: 16 | #define shift_right(x) ((v16qi)__builtin_ia32_psrldi128((v4si)x, 4))
iscream.c: | ^~~~~~~~~~~~~~~~~~~~~~~~
iscream.c: iscream.c:181:10: note: in expansion of macro 'shift_right'
iscream.c: 181 | t0 = shift_right(in[0]) & V(0xf);
iscream.c: | ^~~~~~~~~~~
iscream.c: iscream.c:181:5: error: cannot convert a value of type 'int' to vector type '__vector(16) char' which has different size
iscream.c: 181 | t0 = shift_right(in[0]) & V(0xf);
iscream.c: | ^~
iscream.c: iscream.c:182:5: error: cannot convert a value of type 'int' to vector type '__vector(16) char' which has different size
iscream.c: 182 | t1 = shift_right(in[2]) & V(0xf);
iscream.c: | ^~
iscream.c: iscream.c:184:10: warning: implicit declaration of function '__builtin_ia32_pshufb128'; did you mean '__builtin_fabsf128'? [-Wimplicit-function-declaration]
iscream.c: 184 | A = __builtin_ia32_pshufb128(table, t0);
iscream.c: | ^~~~~~~~~~~~~~~~~~~~~~~~
iscream.c: | __builtin_fabsf128
iscream.c: iscream.c:184:10: error: incompatible types when assigning to type 'v16qi' {aka '__vector(16) char'} from type 'int'
iscream.c: iscream.c:185:10: error: incompatible types when assigning to type 'v16qi' {aka '__vector(16) char'} from type 'int'
iscream.c: 185 | C = __builtin_ia32_pshufb128(table, t1);
iscream.c: | ^~~~~~~~~~~~~~~~~~~~~~~~
iscream.c: iscream.c:189:10: error: incompatible types when assigning to type 'v16qi' {aka '__vector(16) char'} from type 'int'
iscream.c: 189 | B = __builtin_ia32_pshufb128(table, t0);
iscream.c: | ^~~~~~~~~~~~~~~~~~~~~~~~
iscream.c: iscream.c:190:10: error: incompatible types when assigning to type 'v16qi' {aka '__vector(16) char'} from type 'int'
iscream.c: ...

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

Compiler	Implementations
gcc -mcpu=sifive-u54 -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:sse
gcc -mcpu=sifive-u54 -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:sse
gcc -mcpu=sifive-u54 -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:sse
gcc -mcpu=sifive-u54 -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:sse