https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64011
Bug ID: 64011
Summary: Fail to compile pr48335-2.c on big-endian aarch64
Product: gcc
Version: 4.9.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: chenshanyaoboy at gmail dot com
example from pr48335-2.c
cat test.c
typedef short U __attribute__((may_alias, aligned (1)));
struct S
{
_Complex float d __attribute__((aligned (8)));
};
void bar(struct S);
void f5 (int x)
{
struct S s = { .d = 0.0f };
((U *)((char *) &s.d + 1))[3] = x;
__real__ s.d *= 7.0;
bar (s);
}
aarch64-linux-gnu-gcc -w -c -O1 test.c -mbig-endian
/tmp/cc9vId7S.s: Assembler messages:
/tmp/cc9vId7S.s:12: Error: immediate value out of range 0 to 31 at operand 3 --
`bfi w1,w0,-8,16'