https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101922
Bug ID: 101922
Summary: mips: illegal instruction at -O3 with -mmsa
-mloongson-mmi
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: xry111 at mengyan1223 dot wang
Target Milestone: ---
$ cat test.c
int x = 0xffffffff;
char d[16];
void f() {
int i;
for (i = 0; i < 16; i++) {
int t = d[i] >> 8;
x &= t;
}
}
$ ~/git-repos/gcc-test-mips/gcc/cc1 test.c -O3 -mmsa -mloongson-mmi -nostdinc
$ mips64el-unknown-linux-gnu-as test.s -mmsa -mloongson-mmi -mips64r2
test.s: Assembler messages:
test.s:29: Error: operand 3 out of range `srai.b $w0,$w0,8'
