*Ping*: [PATCH] PR fortran/96711 - ICE on NINT() Function
Harald Anlauf
anlauf@gmx.de
Mon Sep 7 19:46:19 GMT 2020
Hi Thomas,
thanks for the review!
> Regarding the patch: Could you change the test caes into a
> run-time test and check for the results both for compile-time
> simplification and evaluation at run-time? Just to make sure that
> fold_convert wasn't trying to tell us something that convert doesn't...
>
> OK with that change.
Here's the test I committed:
! { dg-do run }
! { dg-require-effective-target fortran_integer_16 }
! { dg-require-effective-target fortran_real_16 }
! { dg-additional-options "-fdump-tree-original" }
! { dg-final { scan-tree-dump-times "_gfortran_stop_numeric" 2 "original" } }
!
! PR fortran/96711 - ICE on NINT() Function
program p
implicit none
real(8) :: x
real(16) :: y
integer(16), parameter :: k1 = nint (2 / epsilon (x), kind(k1))
integer(16), parameter :: k2 = nint (2 / epsilon (y), kind(k2))
integer(16), parameter :: m1 = 9007199254740992_16 !2**53
integer(16), parameter :: m2 = 10384593717069655257060992658440192_16 !2**113
integer(16), volatile :: m
x = 2 / epsilon (x)
y = 2 / epsilon (y)
m = nint (x, kind(m))
! print *, m
if (k1 /= m1) stop 1
if (m /= m1) stop 2
m = nint (y, kind(m))
! print *, m
if (k2 /= m2) stop 3
if (m /= m2) stop 4
end program
Harald
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