https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107341
Bug ID: 107341
Summary: RISCV User Stack Frame error with
-fno-omit-frame-pointer on GCC 10.2.0
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: yangwang at nj dot iscas.ac.cn
Target Milestone: ---
Created attachment 53741
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53741&action=edit
C source code
gcc version 10.2.0 (SiFive GCC-Metal 10.2.0-2020.12.8)
1.compile test.c code
riscv64-unknown-elf-gcc -static -O0 -g -fno-omit-frame-pointer test.c -o test
-lm
2.Using perf record
sudo perf record -e cpu-clock -g ./test
3.Using perf script
sudo perf script > test.perf
at test.perf, you will find that normal_loop call normal_loop
test 769 22186.901402: 250000 cpu-clock:
1018a normal_loop+0x34 (/home/test)
1019c normal_loop+0x46 (/home/test)
10104 _start+0x40 (/home/test)
