// Absorb sign and zero extensions into 32-bit comparisons.
(CMP(W|W|WU|WU)      x (MOV(W|WZ|W|WZ)reg y))   => (CMP(W|W|WU|WU) x y)
(CMP(W|W|WU|WU)      (MOV(W|WZ|W|WZ)reg x) y)   => (CMP(W|W|WU|WU) x y)
(CMP(W|W|WU|WU)const (MOV(W|WZ|W|WZ)reg x) [c]) => (CMP(W|W|WU|WU)const x [c])

// Absorb flag constants into branches.
(BRC {c} (FlagEQ) yes no) && c&s390x.Equal     != 0 => (First yes no)

// license that can be found in the LICENSE file.

// W.Hormann, G.Derflinger:
// "Rejection-Inversion to Generate Variates
// from Monotone Discrete Distributions"
// http://eeyore.wu-wien.ac.at/papers/96-04-04.wh-der.ps.gz

package rand

import "math"

// A Zipf generates Zipf distributed variates.
type Zipf struct {
	r            *Rand
	imax         float64
	v            float64

// license that can be found in the LICENSE file.

// W.Hormann, G.Derflinger:
// "Rejection-Inversion to Generate Variates
// from Monotone Discrete Distributions"
// http://eeyore.wu-wien.ac.at/papers/96-04-04.wh-der.ps.gz

package rand

import "math"

// A Zipf generates Zipf distributed variates.
type Zipf struct {
	r            *Rand
	imax         float64
	v            float64

(MOVHBRstore ptr (MOV(H|HZ|W|WZ)reg x) mem) => (MOVHBRstore ptr x mem)
(MOVWBRstore ptr (MOV(W|WZ)reg x) mem) => (MOVWBRstore ptr x mem)

// Lose W-widening ops fed to compare-W
(CMP(W|WU) x (MOV(W|WZ)reg y)) => (CMP(W|WU) x y)
(CMP(W|WU) (MOV(W|WZ)reg x) y) => (CMP(W|WU) x y)

(CMP x (MOVDconst [c])) && is16Bit(c) => (CMPconst x [c])
(CMP (MOVDconst [c]) y) && is16Bit(c) => (InvertFlags (CMPconst y [c]))

// to use the GOT via REGTMP, which currently cannot handle large offset.
(MOV(B|BU|H|HU|W|WU|V|F|D)load [off1] {sym} (ADDVconst [off2] ptr) mem) && is32Bit(int64(off1)+off2)
	&& (ptr.Op != OpSB || !config.ctxt.Flag_dynlink) =>
	(MOV(B|BU|H|HU|W|WU|V|F|D)load [off1+int32(off2)] {sym} ptr mem)

(MOV(B|H|W|V|F|D)store [off1] {sym} (ADDVconst [off2] ptr) val mem) && is32Bit(int64(off1)+off2)

	AAMMAXV:    0x070CB << 15, // ammax.d
	AAMMINW:    0x070CC << 15, // ammin.w
	AAMMINV:    0x070CD << 15, // ammin.d
	AAMMAXWU:   0x070CE << 15, // ammax.wu
	AAMMAXVU:   0x070CF << 15, // ammax.du
	AAMMINWU:   0x070D0 << 15, // ammin.wu
	AAMMINVU:   0x070D1 << 15, // ammin.du
	AAMSWAPDBB: 0x070BC << 15, // amswap_db.b
	AAMSWAPDBH: 0x070BD << 15, // amswap_db.h
	AAMSWAPDBW: 0x070D2 << 15, // amswap_db.w

DDDDD�c�1�c���1�c���1�c�1�뱌c�1�c�1�c�1�c�1�c�1�c�1�cǗ�������>�i@����i@���Ki@���Ki@����i@�
��Ki@���Ki@���Km�]^��1�c�1�c�1�c�1�c�1�c�1�c^^v�Ki@���Ki@���Ki@���KiJꫝu�$�!$��ք$�!$��ֶ�Z�mh$��$ wu��]uw!$� %I(BIBJ�P���$�!$� %wu�]_}�c�1�c�1�c�1�c�1�c�3����]u�@;mp���@;mp���@;mp���@;mp���@;mp���@;mp���@;mp���@;T�W��T�d]��w����~��������8�����p|���������8�#���������苢.��"�ꏘZ�#X[M��?K�Zb|�ץ���ku���z��š{猌��O�>����K�����Ujŏ -�j�/��?~�_}�߰.�Mw��>...

000003b0  11 17 03 03 00 35 39 db  59 c8 ab 08 33 da 2c 19  |.....59.Y...3.,.|
000003c0  04 10 bb 18 b3 10 78 4b  2c a2 2b a2 e2 67 d1 6f  |......xK,.+..g.o|
000003d0  07 9c 0b d2 e1 24 a8 ac  7b ce 77 55 7d b8 b3 9b  |.....$..{.wU}...|
000003e0  82 7f bc 18 7a 61 a8 28  e2 a9 1e 17 03 03 00 8b  |....za.(........|
000003f0  6e a6 11 39 b9 d7 7b a0  67 76 c2 a6 d0 e4 c4 ba  |n..9..{.gv......|

000002b0  00 b6 eb cb e3 18 cf 14  03 01 00 01 01 16 03 01  |................|
000002c0  00 30 61 51 84 02 46 3c  10 62 b5 2a a2 8b 4e 2d  |.0aQ..F<.b.*..N-|
000002d0  57 55 26 c5 46 f2 5d a1  f5 20 46 0d 63 fd 48 5a  |WU&.F.].. F.c.HZ|
000002e0  f3 65 90 8c 1a bd 59 6e  5f d1 5c b6 ee 33 49 12  |.e....Yn_.\..3I.|
000002f0  46 ec                                             |F.|
>>> Flow 4 (server to client)

  count: 5
  avatarUrl: https://avatars.githubusercontent.com/u/90090313?v=4
  url: https://github.com/shashstormer
- login: wu-clan
  count: 5
  avatarUrl: https://avatars.githubusercontent.com/u/52145145?u=f8c9e5c8c259d248e1683fedf5027b4ee08a0967&v=4
  url: https://github.com/wu-clan
- login: abhint
  count: 5
  avatarUrl: https://avatars.githubusercontent.com/u/25699289?u=b5d219277b4d001ac26fb8be357fddd88c29d51b&v=4