File: disassemble-mcpu-v3.s

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (18 lines) | stat: -rw-r--r-- 677 bytes parent folder | download | duplicates (17) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
// Make sure that llvm-objdump --mcpu=v3 enables ALU32 feature.
//
// Only test a few instructions here, assembler-disassembler.s is more
// comprehensive but uses --mattr=+alu32 option.
//
// RUN: llvm-mc -triple bpfel --mcpu=v3 --assemble --filetype=obj %s -o %t
// RUN: llvm-objdump -d --mcpu=v2 %t | FileCheck %s --check-prefix=V2
// RUN: llvm-objdump -d --mcpu=v3 %t | FileCheck %s --check-prefix=V3

w0 = *(u32 *)(r1 + 0)
lock *(u32 *)(r1 + 0x1) &= w2


// V2: 61 10 00 00 00 00 00 00  r0 = *(u32 *)(r1 + 0x0)
// V2: c3 21 01 00 50 00 00 00  <unknown>

// V3: 61 10 00 00 00 00 00 00  w0 = *(u32 *)(r1 + 0x0)
// V3: c3 21 01 00 50 00 00 00  lock *(u32 *)(r1 + 0x1) &= w2