llvm-project/llvm/test/MC/AArch64/arm64-bitfield-encoding.s

39 lines
1.6 KiB
ArmAsm

; 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]