Subversion Repositories openrisc

C Test for bug in reg-stack handling conditional moves.

C Reported by Tim Prince <tprince@computer.org>

C

C { dg-do run { target { { i[6789]86-*-* x86_64-*-* } && ilp32 } } }

C { dg-options "-ffast-math -march=pentiumpro" }

      double precision function foo(x, y)

         implicit none

         double precision x, y

         double precision a, b, c, d

         if (x /= y) then

             if (x * y >= 0) then

                 a = abs(x)

                 b = abs(y)

                 c = max(a, b)

                 d = min(a, b)

                 foo = 1 - d/c

             else

                 foo = 1

             end if

         else

             foo = 0

         end if

      end

      program test

      implicit none

      integer ntests

      parameter (ntests=7)

      double precision tolerance

      parameter (tolerance=1.0D-6)

C Each column is a pair of values to feed to foo,

C and its expected return value.

      double precision a(ntests), b(ntests), x(ntests)

      data a /1, -23, -1,   1,   9,  10,  -9/

      data b /1, -23, 12, -12,  10,   9, -10/

      data x /0,   0,  1,   1, 0.1, 0.1, 0.1/

      double precision foo

      double precision result

      integer i

      do i = 1, ntests

         result = foo(a(i), b(i))

         if (abs(result - x(i)) > tolerance) then

           print *, i, a(i), b(i), x(i), result

           call abort

         end if

      end do

      end