xref: /aosp_15_r20/external/llvm/test/MC/Disassembler/AArch64/arm64-basic-a64-undefined.txt (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker# These spawn another process so they're rather expensive. Not many.
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker# LDR/STR: undefined if option field is 10x or 00x.
4*9880d681SAndroid Build Coastguard Worker# RUN: echo "0x00 0x08 0x20 0xf8" | llvm-mc -triple arm64 -disassemble 2>&1 | FileCheck %s
5*9880d681SAndroid Build Coastguard Worker# RUN: echo "0x00 0x88 0x20 0xf8" | llvm-mc -triple arm64 -disassemble 2>&1 | FileCheck %s
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Worker# Instructions notionally in the add/sub (extended register) sheet, but with
8*9880d681SAndroid Build Coastguard Worker# invalid shift amount or "opt" field.
9*9880d681SAndroid Build Coastguard Worker# RUN: echo "0x00 0x10 0xa0 0x0b" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
10*9880d681SAndroid Build Coastguard Worker# RUN: echo "0x00 0x10 0x60 0x0b" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
11*9880d681SAndroid Build Coastguard Worker# RUN: echo "0x00 0x14 0x20 0x0b" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Worker# MOVK with sf == 0 and hw<1> == 1 is unallocated.
14*9880d681SAndroid Build Coastguard Worker# RUN: echo "0x00 0x00 0xc0 0x72" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Worker# ADD/SUB (shifted register) are reserved if shift == '11' or sf == '0' and imm6<5> == '1'.
17*9880d681SAndroid Build Coastguard Worker# RUN: echo "0x00 0x00 0xc0 0xeb" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
18*9880d681SAndroid Build Coastguard Worker# RUN: echo "0x00 0x80 0x80 0x6b" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Worker# UBFM is undefined when s == 0 and imms<5> or immr<5> is 1.
21*9880d681SAndroid Build Coastguard Worker# RUN: echo "0x00 0x80 0x00 0x53" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Worker# EXT on vectors of i8 must have imm<3> = 0.
24*9880d681SAndroid Build Coastguard Worker# RUN: echo "0x00 0x40 0x00 0x2e" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Worker# SCVTF on fixed point W-registers is undefined if scale<5> == 0.
27*9880d681SAndroid Build Coastguard Worker# Same with FCVTZS and FCVTZU.
28*9880d681SAndroid Build Coastguard Worker# RUN: echo "0x00 0x00 0x02 0x1e" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
29*9880d681SAndroid Build Coastguard Worker# RUN: echo "0x00 0x00 0x18 0x1e" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Worker# CHECK: invalid instruction encoding
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