No csrmv instruction in the spike

[qubitpercy]

8010023c: 13 05 05 4d  	addi	a0, a0, 1232
80100240: 73 10 45 80  	csrw	ssp0, a0
80100244: 13 05 30 00  	li	a0, 3
80100248: ef f0 9f fc  	jal	0x80100210 <func>
8010024c: 13 04 05 00  	mv	s0, a0
80100250: 37 05 00 a0  	lui	a0, 655360
80100254: 13 05 05 00  	mv	a0, a0
80100258: 93 05 04 00  	mv	a1, s0
8010025c: ef 00 10 2c  	jal	0x80100d1c <printf>
80100260: 73 45 40 80  	csrmv	a0, ssp0

compiler gives me csrmv instruction, however spike cannot recognize it.

core   0: 0x801017d4 (0x1ac12d83) lw      s11, 428(sp)
core   0: 3 0x801017d4 (0x1ac12d83) x27 0x00000000 mem 0xa002171c
core   0: 0x801017d8 (0x20010113) addi    sp, sp, 512
core   0: 3 0x801017d8 (0x20010113) x2  0xa0021770
core   0: 0x801017dc (0x00008067) ret
core   0: 3 0x801017dc (0x00008067)
core   0: 0x80100260 (0x80404573) unknown
core   0: exception trap_illegal_instruction, epc 0x80100260
core   0:           tval 0x80404573
core   0: >>>>  trap_entry
core   0: 0x801000ec (0xef010113) addi    sp, sp, -272
core   0: 3 0x801000ec (0xef010113) x2  0xa0021660

[aswaterman]

There is no standard RISC-V instruction named csrmv. Are you perhaps using a vendor-specific compiler toolchain?