Implementation notes: riscv64, hifiveunleashedriscv, crypto_dh/curve25519

Computer: hifiveunleashedriscv
Architecture: riscv64
CPU ID: unknown CPU ID
SUPERCOP version: 20191221
Operation: crypto_dh
Primitive: curve25519

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
3983675	76 0 0	37045 720 1560	`ref`	`gcc_-march=rv64gc_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191231	20191221
3984172	76 0 0	37519 736 1560	`ref`	`gcc_-march=rv64gc_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191231	20191221
3987066	76 0 0	37403 736 1560	`ref`	`gcc_-march=rv64gc_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191231	20191221
4003535	76 0 0	38949 736 1560	`ref`	`gcc_-march=rv64gc_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191231	20191221

Compiler output

Implementation: mpfq
Security model: unknown
Compiler: gcc -march=rv64gc -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

curve25519.c: curve25519.c:18:10: fatal error: gmp.h: No such file or directory
curve25519.c: 18 | #include <gmp.h>
curve25519.c: | ^~~~~~~
curve25519.c: compilation terminated.

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

Compiler	Implementations
gcc -march=rv64gc -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	mpfq
gcc -march=rv64gc -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	mpfq
gcc -march=rv64gc -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	mpfq
gcc -march=rv64gc -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	mpfq