http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53315
Bug #: 53315
Summary: simple xtest program generates ICE
Classification: Unclassified
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: [email protected]
ReportedBy: [email protected]
gcc version 4.8.0 20120510 (experimental) (GCC)
#include <immintrin.h>
main()
{
int flag = -1;
unsigned status;
if ((status = _xbegin()) == _XBEGIN_STARTED) {
flag = _xtest();
_xend();
} else
printf("abort %x\n", status);
printf("%d\n" , flag);
printf("%d\n", _xtest());
}
gives
xtest.c: In function 'main':
xtest.c:12:3: warning: incompatible implicit declaration of built-in function
'printf' [enabled by default]
printf("abort %x\n", status);
^
xtest.c:15:1: error: unable to generate reloads for:
}
^
(jump_insn 7 6 8 2 (parallel [
(set (pc)
(if_then_else (ne (unspec [
(const_int 0 [0])
] UNSPEC_XBEGIN_ABORT)
(const_int 0 [0]))
(label_ref 8)
(pc)))
(set (reg:SI 4 si [63])
(unspec_volatile:SI [
(reg:SI 3 bx [64])
] UNSPECV_XBEGIN))
])
/pkg/gcc-4.8-120510/lib64/gcc/x86_64-unknown-linux-gnu/4.8.0/include/rtmintrin.h:50
978 {xbegin_1}
(nil)
-> 8)
xtest.c:15:1: internal compiler error: in find_reloads, at reload.c:3825
