Implementation notes: ppc64, power9, crypto_stream/salsa208

Computer: power9
Architecture: ppc64
CPU ID: unknown CPU ID
SUPERCOP version: 20210326
Operation: crypto_stream
Primitive: salsa208

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
5257	6096 0 4	25771 676 1160	`e/merged`	`gcc_-mcpu=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
5266	6096 0 4	25771 676 1160	`e/merged`	`gcc_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
5295	6116 0 4	26059 676 1160	`e/merged`	`gcc_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
5632	4080 0 1	22473 684 1144	`e/merged`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
5635	8192 0 2	24617 684 1144	`e/merged`	`clang_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
5635	4096 0 1	24617 684 1144	`e/merged`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
5643	4080 0 1	22473 684 1144	`e/merged`	`clang_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
5646	2616 0 1	17331 676 1136	`e/merged`	`clang_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
5646	2616 0 1	17331 676 1136	`e/merged`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
5712	2784 0 1	18003 676 1136	`e/merged`	`clang_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
5728	2784 0 1	18003 676 1136	`e/merged`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
5742	3872 0 1	22889 684 1144	`e/merged`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
5975	3904 0 4	22127 676 1152	`e/merged`	`gcc_-mcpu=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
5991	3904 0 4	22127 676 1152	`e/merged`	`gcc_-mcpu=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6020	3876 0 4	22143 676 1152	`e/merged`	`gcc_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6220	2764 0 4	18639 668 1144	`e/merged`	`gcc_-mcpu=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6232	2764 0 4	18639 668 1144	`e/merged`	`gcc_-mcpu=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6235	2764 0 4	18639 668 1144	`e/merged`	`gcc_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6249	3544 0 4	21282 676 1144	`e/merged`	`gcc_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6424	3556 0 4	21282 676 1144	`e/merged`	`gcc_-mcpu=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6426	3556 0 4	21282 676 1144	`e/merged`	`gcc_-mcpu=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6766	5324 0 4	25003 676 1160	`e/regs`	`gcc_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6784	5324 0 4	25003 676 1160	`e/regs`	`gcc_-mcpu=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6809	5324 0 4	25003 676 1160	`e/ref`	`gcc_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6809	5324 0 4	25003 676 1160	`e/ref`	`gcc_-mcpu=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6899	5392 0 4	25355 676 1160	`e/regs`	`gcc_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
6916	5392 0 4	25355 676 1160	`e/ref`	`gcc_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
7937	2640 0 0	24287 676 1160	`ref`	`gcc_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
7953	2640 0 0	24287 676 1160	`ref`	`gcc_-mcpu=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
8064	15920 1656 0	1856096 146232 17312	`T:cryptopp`	`clang++_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8092	2940 0 0	24875 676 1160	`ref`	`gcc_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
8103	3536 0 1	22537 684 1144	`e/ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8109	2024 0 0	23069 684 1136	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8151	3568 0 1	21961 684 1144	`e/ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8162	3568 0 1	21961 684 1144	`e/ref`	`clang_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8165	3568 0 1	24073 684 1144	`e/ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8186	4680 0 0	24893 684 1136	`ref`	`clang_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8187	7136 0 2	24073 684 1144	`e/ref`	`clang_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8199	3632 0 1	22025 684 1144	`e/regs`	`clang_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8203	2340 0 0	24893 684 1136	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8204	3632 0 1	24137 684 1144	`e/regs`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8216	7264 0 2	24137 684 1144	`e/regs`	`clang_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8216	3632 0 1	22025 684 1144	`e/regs`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8248	2340 0 0	22781 684 1136	`ref`	`clang_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8272	2340 0 0	22781 684 1136	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8348	19192 1792 0	1859952 146232 17312	`T:cryptopp`	`clang++_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8406	3600 0 1	22601 684 1144	`e/regs`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
8593	8803 1008 0	1847181 145592 17312	`T:cryptopp`	`clang++_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
9220	22391 3856 0	1858364 148096 17432	`T:cryptopp`	`clang++_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
9471	2424 0 1	17131 676 1136	`e/regs`	`clang_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
9481	2424 0 1	17131 676 1136	`e/regs`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
9823	3452 0 4	21723 676 1152	`e/regs`	`gcc_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
9901	2624 0 1	17835 676 1136	`e/regs`	`clang_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
9925	2624 0 1	17835 676 1136	`e/regs`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
10394	916 0 0	18767 668 1144	`ref`	`gcc_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
10586	892 0 0	17663 676 1136	`ref`	`clang_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
10635	948 0 0	18207 676 1136	`ref`	`clang_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
10657	948 0 0	18207 676 1136	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
10697	892 0 0	17663 676 1136	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
10734	1644 0 0	21927 676 1152	`ref`	`gcc_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
10746	3464 0 4	21707 676 1152	`e/regs`	`gcc_-mcpu=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
10751	3464 0 4	21707 676 1152	`e/regs`	`gcc_-mcpu=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
10890	3396 0 4	21651 676 1152	`e/ref`	`gcc_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
11157	1664 0 0	21875 676 1152	`ref`	`gcc_-mcpu=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
11168	1664 0 0	21875 676 1152	`ref`	`gcc_-mcpu=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
11437	3508 0 4	21262 676 1144	`e/regs`	`gcc_-mcpu=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
11446	3508 0 4	21262 676 1144	`e/regs`	`gcc_-mcpu=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
11720	916 0 0	18735 668 1144	`ref`	`gcc_-mcpu=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
11766	916 0 0	18735 668 1144	`ref`	`gcc_-mcpu=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
12119	2484 0 4	18339 668 1144	`e/ref`	`gcc_-mcpu=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
12123	2484 0 4	18371 668 1144	`e/ref`	`gcc_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
12132	2484 0 4	18339 668 1144	`e/ref`	`gcc_-mcpu=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
12244	3412 0 4	21639 676 1152	`e/ref`	`gcc_-mcpu=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
12261	3412 0 4	21639 676 1152	`e/ref`	`gcc_-mcpu=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
12402	3496 0 4	21230 676 1144	`e/regs`	`gcc_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
12578	1876 0 0	21610 676 1144	`ref`	`gcc_-mcpu=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
12709	2328 0 1	17035 676 1136	`e/ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
12727	1876 0 0	21610 676 1144	`ref`	`gcc_-mcpu=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
12856	2328 0 1	17035 676 1136	`e/ref`	`clang_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
12984	2604 0 4	18479 668 1144	`e/regs`	`gcc_-mcpu=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
13021	2528 0 1	17739 676 1136	`e/ref`	`clang_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
13027	2528 0 1	17739 676 1136	`e/ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
13043	1780 0 0	21482 676 1144	`ref`	`gcc_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
13048	2604 0 4	18479 668 1144	`e/regs`	`gcc_-mcpu=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
13104	2604 0 4	18479 668 1144	`e/regs`	`gcc_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
14637	3480 0 4	21230 676 1144	`e/ref`	`gcc_-mcpu=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
14660	3480 0 4	21230 676 1144	`e/ref`	`gcc_-mcpu=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
15180	3468 0 4	21198 676 1144	`e/ref`	`gcc_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326

Test failure

Implementation: e/ppc-altivec
Security model: constbranchindex
Compiler: clang -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

error 111
crypto_stream writes before output

Number of similar (compiler,implementation) pairs: 20, namely:

Compiler	Implementations
clang -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
gcc -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec

Test failure

Implementation: e/ppc-altivec
Security model: constbranchindex
Compiler: clang -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

error 111
crypto_stream writes before output
error 111
crypto_stream writes before output

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec

Compiler output

Implementation: e/ppc-altivec
Security model: constbranchindex
Compiler: clang -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

Number of similar (compiler,implementation) pairs: 8, namely:

Compiler	Implementations
clang -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec

Compiler output

Implementation: e/ppc-altivec
Security model: constbranchindex
Compiler: clang -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

salsa20.c: In file included from salsa20.c:1:
salsa20.c: ./e/salsa20.c:22:3: warning: implicitly declaring library function 'memcpy' with type 'void *(void *, const void *, unsigned long)' [-Wimplicit-function-declaration]
salsa20.c: memcpy(x->myaligned.input + 4,k,16);
salsa20.c: ^
salsa20.c: ./e/salsa20.c:22:3: note: include the header <string.h> or explicitly provide a declaration for 'memcpy'
salsa20.c: ./e/salsa20.c:39:3: warning: implicitly declaring library function 'memset' with type 'void *(void *, int, unsigned long)' [-Wimplicit-function-declaration]
salsa20.c: memset(x->myaligned.input + 32,0,8);
salsa20.c: ^
salsa20.c: ./e/salsa20.c:39:3: note: include the header <string.h> or explicitly provide a declaration for 'memset'
salsa20.c: ./e/salsa20.c:82:9: warning: assigning to 'const u8 *' (aka 'const unsigned char *') from 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]
salsa20.c: m = (char *) tmp;
salsa20.c: ^ ~~~~~~~~~~~~
salsa20.c: ./e/salsa20.c:84:9: warning: assigning to 'u8 *' (aka 'unsigned char *') from 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]
salsa20.c: c = (char *) tmp;
salsa20.c: ^ ~~~~~~~~~~~~
salsa20.c: 4 warnings generated.
salsa20.c: In file included from salsa20.c:1:
salsa20.c: ./e/salsa20.c:22:3: warning: implicitly declaring library function 'memcpy' with type 'void *(void *, const void *, unsigned long)' [-Wimplicit-function-declaration]
salsa20.c: memcpy(x->myaligned.input + 4,k,16);
salsa20.c: ^
salsa20.c: ./e/salsa20.c:22:3: note: include the header <string.h> or explicitly provide a declaration for 'memcpy'
salsa20.c: ./e/salsa20.c:39:3: warning: implicitly declaring library function 'memset' with type 'void *(void *, int, unsigned long)' [-Wimplicit-function-declaration]
salsa20.c: memset(x->myaligned.input + 32,0,8);
salsa20.c: ^
salsa20.c: ./e/salsa20.c:39:3: note: include the header <string.h> or explicitly provide a declaration for 'memset'
salsa20.c: ./e/salsa20.c:82:9: warning: assigning to 'const u8 *' (aka 'const unsigned char *') from 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]
salsa20.c: m = (char *) tmp;
salsa20.c: ^ ~~~~~~~~~~~~
salsa20.c: ./e/salsa20.c:84:9: warning: assigning to 'u8 *' (aka 'unsigned char *') from 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]
salsa20.c: c = (char *) tmp;
salsa20.c: ^ ~~~~~~~~~~~~
salsa20.c: 4 warnings generated.

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	e/ppc-altivec

Compiler output

Implementation: e/ppc-altivec
Security model: constbranchindex
Compiler: gcc -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

salsa20.c: In file included from salsa20.c:1:
salsa20.c: e/salsa20.c: In function 'crypto_stream_salsa208_e_ppc_altivec_constbranchindex_ECRYPT_keysetup':
salsa20.c: e/salsa20.c:22:3: warning: implicit declaration of function 'memcpy' [-Wimplicit-function-declaration]
salsa20.c: 22 | memcpy(x->myaligned.input + 4,k,16);
salsa20.c: | ^~~~~~
salsa20.c: e/salsa20.c:22:3: warning: incompatible implicit declaration of built-in function 'memcpy'
salsa20.c: e/salsa20.c:9:1: note: include '<string.h>' or provide a declaration of 'memcpy'
salsa20.c: 8 | #include "ecrypt-sync.h"
salsa20.c: +++ |+#include <string.h>
salsa20.c: 9 |
salsa20.c: e/salsa20.c: In function 'crypto_stream_salsa208_e_ppc_altivec_constbranchindex_ECRYPT_ivsetup':
salsa20.c: e/salsa20.c:38:3: warning: incompatible implicit declaration of built-in function 'memcpy'
salsa20.c: 38 | memcpy(x->myaligned.input + 24,iv,8);
salsa20.c: | ^~~~~~
salsa20.c: e/salsa20.c:38:3: note: include '<string.h>' or provide a declaration of 'memcpy'
salsa20.c: e/salsa20.c:39:3: warning: implicit declaration of function 'memset' [-Wimplicit-function-declaration]
salsa20.c: 39 | memset(x->myaligned.input + 32,0,8);
salsa20.c: | ^~~~~~
salsa20.c: e/salsa20.c:39:3: warning: incompatible implicit declaration of built-in function 'memset'
salsa20.c: e/salsa20.c:39:3: note: include '<string.h>' or provide a declaration of 'memset'

Number of similar (compiler,implementation) pairs: 12, namely:

Compiler	Implementations
gcc -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec
gcc -mcpu=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	e/ppc-altivec