File: arm64-bitfield-encoding.s

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (38 lines) | stat: -rw-r--r-- 1,603 bytes parent folder | download | duplicates (40)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
; RUN: llvm-mc -triple arm64-apple-darwin -show-encoding < %s | FileCheck %s

foo:
;==---------------------------------------------------------------------------==
; 5.4.4 Bitfield Operations
;==---------------------------------------------------------------------------==

  bfm  w1, w2, #1, #15
  bfm  x1, x2, #1, #15
  sbfm w1, w2, #1, #15
  sbfm x1, x2, #1, #15
  ubfm w1, w2, #1, #15
  ubfm x1, x2, #1, #15
  sbfiz wzr, w0, #31, #1
  sbfiz xzr, x0, #31, #1
  ubfiz wzr, w0, #31, #1
  ubfiz xzr, x0, #31, #1

; CHECK: bfxil w1, w2, #1, #15       ; encoding: [0x41,0x3c,0x01,0x33]
; CHECK: bfxil x1, x2, #1, #15       ; encoding: [0x41,0x3c,0x41,0xb3]
; CHECK: sbfx w1, w2, #1, #15        ; encoding: [0x41,0x3c,0x01,0x13]
; CHECK: sbfx x1, x2, #1, #15        ; encoding: [0x41,0x3c,0x41,0x93]
; CHECK: ubfx w1, w2, #1, #15        ; encoding: [0x41,0x3c,0x01,0x53]
; CHECK: ubfx x1, x2, #1, #15        ; encoding: [0x41,0x3c,0x41,0xd3]
; CHECK: sbfiz wzr, w0, #31, #1      ; encoding: [0x1f,0x00,0x01,0x13]
; CHECK: sbfiz xzr, x0, #31, #1      ; encoding: [0x1f,0x00,0x61,0x93]
; CHECK: lsl  wzr, w0, #31           ; encoding: [0x1f,0x00,0x01,0x53]
; CHECK: ubfiz xzr, x0, #31, #1      ; encoding: [0x1f,0x00,0x61,0xd3]

;==---------------------------------------------------------------------------==
; 5.4.5 Extract (immediate)
;==---------------------------------------------------------------------------==

  extr w1, w2, w3, #15
  extr x2, x3, x4, #1

; CHECK: extr w1, w2, w3, #15        ; encoding: [0x41,0x3c,0x83,0x13]
; CHECK: extr x2, x3, x4, #1         ; encoding: [0x62,0x04,0xc4,0x93]