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authorTobias Schlüter <tobi@gcc.gnu.org>2006-02-08 00:52:37 +0100
committerTobias Schlüter <tobi@gcc.gnu.org>2006-02-08 00:52:37 +0100
commit43ff4e9aa3075d4eab3c74b4bc510a9cde17c313 (patch)
treec0cfce55af07acbfb42d18f9f151fc9d70659377 /gcc
parent23fca1f58766f4095fb3f889433de3f5552681f1 (diff)
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re PR libfortran/25577 (gfortran routine mvbits returns wrong answer.)
libgfortran/ 2006-02-07 Dale Ranta <dir@lanl.gov> PR fortran/25577 * intrinsics/mvbits.c: Shift '(TYPE)1' type when building 'lenmask'. testsuite/ 2006-02-07 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de> PR fortran/25577 * gfortran.dg/mvbits_1.f90: New. Also fixed Dirk Mueller's preceding ChangeLog entry. From-SVN: r110728
Diffstat (limited to 'gcc')
-rw-r--r--gcc/testsuite/ChangeLog9
-rw-r--r--gcc/testsuite/gfortran.dg/mvbits_1.f9039
2 files changed, 46 insertions, 2 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b0b39a3..4c5dc8f 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,7 +1,12 @@
+2006-02-07 Tobias Schlüter <tobias.schlueter@physik.uni-muenchen.de>
+
+ PR fortran/25577
+ * gfortran.dg/mvbits_1.f90: New.
+
2006-02-07 Dirk Mueller <dmueller@suse.com>
- g++.dg/warn/Wdiv-by-zero.C: New test.
- g++.dg/warn/Wno-div-by-zero.C: New.
+ * g++.dg/warn/Wdiv-by-zero.C: New test.
+ * g++.dg/warn/Wno-div-by-zero.C: New.
2006-02-07 Jeff Law <law@redhat.com>
diff --git a/gcc/testsuite/gfortran.dg/mvbits_1.f90 b/gcc/testsuite/gfortran.dg/mvbits_1.f90
new file mode 100644
index 0000000..90e92bb
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/mvbits_1.f90
@@ -0,0 +1,39 @@
+! PR 25577
+! MVBITS didn't work correctly for integer types wider than a C int
+! The testcase is based on the one Dale Ranta posted in the bug report
+implicit none
+integer(1) i1,j1
+integer(2) i2,j2
+integer(4) i4,j4
+integer(8) i8,j8
+integer ibits,n
+
+ibits=bit_size(1_1)
+do n=1,ibits
+ i1=-1
+ call mvbits(1_1, 0,n,i1,0)
+ j1=-1-2_1**n+2
+ if(i1.ne.j1)call abort
+enddo
+ibits=bit_size(1_2)
+do n=1,ibits
+ i2=-1
+ call mvbits(1_2, 0,n,i2,0)
+ j2=-1-2_2**n+2
+ if(i2.ne.j2)call abort
+enddo
+ibits=bit_size(1_4)
+do n=1,ibits
+ i4=-1
+ call mvbits(1_4, 0,n,i4,0)
+ j4=-1-2_4**n+2
+ if(i4.ne.j4)call abort
+enddo
+ibits=bit_size(1_8)
+do n=1,ibits
+ i8=-1
+ call mvbits(1_8, 0,n,i8,0)
+ j8=-1-2_8**n+2
+ if(i8.ne.j8)call abort
+enddo
+end