registri:	x0	zero	0
		x1	ra	return address
		x2	sp	stack pointer
		x5-7	t0-2	temporary
		x8-9	fp/s0-1	saved
		x10-17	a0-7	argument
		x18-27	s2-11	saved
		x28-31	t3-6	temporary

psevdoinštrukcije:

	delta = symbol - pc
	la rd, sym		auipc rd, delta[31:12]+delta[11]; addi rd, rd, delta[11:0]
	lla rd, sym		TODO
	l[bhwd] rd, sym		auipc rd, delta[31:12]+delta[11]; l[bhwd] rd, delta[11:0](rd)
	s[bhwd] rd, sym, rt	auipc rt, delta[31:12]+delta[11]; s[bhws] rd, delta[11:0](rt)

	nop		addi x0, x0, 0
	mv rd, rs	addi rd, rs, 0
	not rd, rs	xori rd, rs, -1
	neg rd, rs	sub rd, x0, rs

	bgt[u] rs, rt, off	blt[u] rt, rs, off
	ble[u] rs, rt, off	bge[u] rt, rs, off
	
	j off	jal x0, off
	jal off	jal x1, off
	jr rs	jalr x0, 0(rs)
	jalr rs	jalr x1, 0(rs)
	ret	jalr x0, 0(x1)
	call of	auipc x1, of[31:12]+of[11]; jalr x1, of[11:0](x1)
	tail of auipc x6, of[31:12]+of[11]; jalr x0, of[11:0](x6)
	
float:	(-1)^s*2^(E-e)*1,M_1 M_2 M_3 M_4...M_n
		exp	e	man
	single	32	8	127	23
	double	64	11	1023	52

	inf: E=255/2047, m=0
	nan: E=255/2047, m!=0
	računamo z več biti: varovalni, zaokroževalni, lepljivi

.data, .text, .byte, .half, .word, .dword, .align

a*10 = a*(8+2) = a*8+a*2

rabimo ceil(log_base(1/error)) decimalk

Dostop do visokih naslovov: %hi(A) -- top 20b, %lo(A) low 12b

TODO: slide 3b množenje floatov, chapter 2.4 intager computation