https://bugs.llvm.org/show_bug.cgi?id=45353
Bug ID: 45353
Summary: Deprecated instruction in arch v8r?
Product: new-bugs
Version: 8.0
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: 499537...@qq.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org
Created attachment 23292
--> https://bugs.llvm.org/attachment.cgi?id=23292&action=edit
Input file
Compiling with the command will generate 2 warnings. When the assembly file .s
is checked, it is found that there are deprecated instructions for the
architecture v8r. Actually this deprecated instruction was generated by
ourselves.
Command: clang -c -Wall --target=arm-none-eabi -mcpu=cortex-r52
-mfpu=fpv5-sp-d16 -mthumb -fshort-enums -Os -save-temps ee_cortex_r_hal.i
ee_cortex_r_hal.s:150:2: warning: deprecated instruction in IT block
movhi.w r0, #384
^
ee_cortex_r_hal.s:191:2: warning: deprecated instruction in IT block
movhi.w r0, #640
$ clang --version
4.0.0 clang version 8.0.1 (based on LLVM 8.0.1)
Target: aarch64-unknown-linux-gnu
Thread model: posix
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