On Fri, Apr 22, 2005 at 10:26:25AM -0400, Kazu Hirata wrote:
> Hi Rainer and Steve,
>
> > | 4.1.0 20050419 (experimental) (i386-pc-solaris2.10) GCC error: |
> > | in set_value_range, at tree-vrp.c:124 |
> > | Error detected at sem_intr.adb:437:1 |
>
> There seem to be several ways to get to this ICE. set_value_range is
> used in many places in tree-vrp.c. I'll try to take a look at these
> in the next few days.
>
I attached a cutdown test case of cher2k.f for your use
with this bug. I don't know if you fortran or not, but
I can assure that this minimum test case is a very common
Fortran construct. One other thing to keep in mind, this
only happens with -O2.
--
Steve
SUBROUTINE CHER2K(N, BETA, C, LDC)
INTEGER I, J, N, LDC
REAL BETA
COMPLEX C(LDC,*), ZERO
PARAMETER (ZERO = (0.0E+0, 0.0E+0))
IF (BETA .EQ. REAL(ZERO)) THEN
DO 20, J = 1, N
DO 10, I = 1, J
C(I,J) = ZERO
10 CONTINUE
20 CONTINUE
ELSE
DO 40, J = 1, N
DO 30, I = 1, J - 1
C(I,J) = BETA * C(I,J)
30 CONTINUE
40 CONTINUE
END IF
END