Subversion Repositories openrisc_2011-10-31

! { dg-do compile }

! { dg-options "-O -ffast-math -fdump-tree-original -fdump-tree-optimized" }

! Verify we associate properly during folding

! Verify we propagate constants in the presence of PAREN_EXPR

function test(a)

  real b, c, d

  c = a

  d = 5

  b = (c + 5 - c)

  b = (c + d - c)

  test = a + b - 5

end

! { dg-final { scan-tree-dump "b = 5" "original" } }

! { dg-final { scan-tree-dump "c_. = .a" "optimized" } }

! { dg-final { scan-tree-dump "return c_.;" "optimized" } }

! { dg-final { cleanup-tree-dump "original" } }

! { dg-final { cleanup-tree-dump "optimized" } }