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f2f35a9ca3
The canonical form of the BFM instruction is always one of the more explicit extract or insert operations, which makes reading output much easier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207752 91177308-0d34-0410-b5e6-96231b3b80d8
39 lines
1.6 KiB
ArmAsm
39 lines
1.6 KiB
ArmAsm
; RUN: llvm-mc -triple arm64-apple-darwin -show-encoding < %s | FileCheck %s
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foo:
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;==---------------------------------------------------------------------------==
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; 5.4.4 Bitfield Operations
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;==---------------------------------------------------------------------------==
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bfm w1, w2, #1, #15
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bfm x1, x2, #1, #15
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sbfm w1, w2, #1, #15
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sbfm x1, x2, #1, #15
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ubfm w1, w2, #1, #15
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ubfm x1, x2, #1, #15
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sbfiz wzr, w0, #31, #1
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sbfiz xzr, x0, #31, #1
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ubfiz wzr, w0, #31, #1
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ubfiz xzr, x0, #31, #1
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; CHECK: bfxil w1, w2, #1, #15 ; encoding: [0x41,0x3c,0x01,0x33]
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; CHECK: bfxil x1, x2, #1, #15 ; encoding: [0x41,0x3c,0x41,0xb3]
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; CHECK: sbfx w1, w2, #1, #15 ; encoding: [0x41,0x3c,0x01,0x13]
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; CHECK: sbfx x1, x2, #1, #15 ; encoding: [0x41,0x3c,0x41,0x93]
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; CHECK: ubfx w1, w2, #1, #15 ; encoding: [0x41,0x3c,0x01,0x53]
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; CHECK: ubfx x1, x2, #1, #15 ; encoding: [0x41,0x3c,0x41,0xd3]
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; CHECK: sbfiz wzr, w0, #31, #1 ; encoding: [0x1f,0x00,0x01,0x13]
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; CHECK: sbfiz xzr, x0, #31, #1 ; encoding: [0x1f,0x00,0x61,0x93]
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; CHECK: lsl wzr, w0, #31 ; encoding: [0x1f,0x00,0x01,0x53]
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; CHECK: ubfiz xzr, x0, #31, #1 ; encoding: [0x1f,0x00,0x61,0xd3]
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;==---------------------------------------------------------------------------==
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; 5.4.5 Extract (immediate)
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;==---------------------------------------------------------------------------==
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extr w1, w2, w3, #15
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extr x2, x3, x4, #1
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; CHECK: extr w1, w2, w3, #15 ; encoding: [0x41,0x3c,0x83,0x13]
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; CHECK: extr x2, x3, x4, #1 ; encoding: [0x62,0x04,0xc4,0x93]
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