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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900 (2020-05-25)
parents 04ced10e8804
children
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! { dg-do compile }
! { dg-options "-O1 -fno-signed-zeros -fno-trapping-math -fdump-tree-optimized" }
! Fortran defaults to associative by default,
! with -fno-signed-zeros -fno-trapping-math this should optimize away all additions
SUBROUTINE S1(a)
 REAL :: a
 a=1+a-1
END SUBROUTINE S1
! { dg-final { scan-tree-dump-times " \\\+ " 0 "optimized" } }