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authorPaul Thomas <pault@gcc.gnu.org>2006-09-10 17:13:29 +0000
committerPaul Thomas <pault@gcc.gnu.org>2006-09-10 17:13:29 +0000
commitc71d6a561e249d1fe07fcbd97e348b0849247d42 (patch)
tree4d0f643177dfce60aa763c608f0b349c0290cdd5 /gcc
parenta7819e426a4f0a6d1022d0d1e96c5096e0726912 (diff)
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re PR fortran/28923 (Bad triplet interpretation in initialization)
2006-09-10 Paul Thomas <pault@gcc.gnu.org> PR fortran/28923 expr.c (find_array_section): Only use the array lower and upper bounds for the start and end of the sections, where the expr is NULL. 2006-09-10 Paul Thomas <pault@gcc.gnu.org> PR libfortran/28923 gfortran.dg/array_initializer_2.f90: Fill in missing index start value. gfortran.dg/array_initializer_3.f90: New test. From-SVN: r116815
Diffstat (limited to 'gcc')
-rw-r--r--gcc/fortran/ChangeLog9
-rw-r--r--gcc/fortran/expr.c15
-rw-r--r--gcc/testsuite/ChangeLog6
-rw-r--r--gcc/testsuite/gfortran.dg/array_initializer_2.f902
-rw-r--r--gcc/testsuite/gfortran.dg/array_initializer_3.f9014
5 files changed, 32 insertions, 14 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 6fbec93..5b62215 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,4 +1,11 @@
-2006-09-09 Paul Thomas <pault@gcc.gnu.org>
+2006-09-10 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/28923
+ expr.c (find_array_section): Only use the array lower and upper
+ bounds for the start and end of the sections, where the expr is
+ NULL.
+
+2006-09-10 Paul Thomas <pault@gcc.gnu.org>
PR fortran/28914
* trans-array.c (gfc_trans_array_constructor_value): Create a temporary
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c
index b1f064d..5eef939 100644
--- a/gcc/fortran/expr.c
+++ b/gcc/fortran/expr.c
@@ -1090,24 +1090,15 @@ find_array_section (gfc_expr *expr, gfc_ref *ref)
if (begin)
mpz_set (start[d], begin->value.integer);
else
- {
- if (mpz_cmp_si (stride[d], 0) < 0)
- mpz_set (start[d], upper->value.integer);
- else
- mpz_set (start[d], lower->value.integer);
- }
+ mpz_set (start[d], lower->value.integer);
+
mpz_set (ctr[d], start[d]);
/* Obtain the end value for the index. */
if (finish)
mpz_set (end[d], finish->value.integer);
else
- {
- if (mpz_cmp_si (stride[d], 0) < 0)
- mpz_set (end[d], lower->value.integer);
- else
- mpz_set (end[d], upper->value.integer);
- }
+ mpz_set (end[d], upper->value.integer);
/* Separate 'if' because elements sometimes arrive with
non-null end. */
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3d877ed..152d5cf 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2006-09-09 Paul Thomas <pault@gcc.gnu.org>
+
+ PR libfortran/28923
+ gfortran.dg/array_initializer_2.f90: Fill in missing index start value.
+ gfortran.dg/array_initializer_3.f90: New test.
+
2006-09-09 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/28914
diff --git a/gcc/testsuite/gfortran.dg/array_initializer_2.f90 b/gcc/testsuite/gfortran.dg/array_initializer_2.f90
index a1a5bdf..a7cd3a7 100644
--- a/gcc/testsuite/gfortran.dg/array_initializer_2.f90
+++ b/gcc/testsuite/gfortran.dg/array_initializer_2.f90
@@ -8,7 +8,7 @@
integer, dimension(3), parameter :: a=(/1,2,3/)
integer, dimension(3), parameter :: b=(/a(:)/)
integer, dimension(3,3), parameter :: c=reshape ((/(i, i = 1,9)/),(/3,3/))
- integer, dimension(2,3), parameter :: d=reshape ((/c(:2:-1,:)/),(/2,3/))
+ integer, dimension(2,3), parameter :: d=reshape ((/c(3:2:-1,:)/),(/2,3/))
integer, dimension(3,3), parameter :: e=reshape ((/a(:),a(:)+3,a(:)+6/),(/3,3/))
integer, dimension(2,3), parameter :: f=reshape ((/c(2:1:-1,:)/),(/2,3/))
if (any (b .ne. (/1,2,3/))) call abort ()
diff --git a/gcc/testsuite/gfortran.dg/array_initializer_3.f90 b/gcc/testsuite/gfortran.dg/array_initializer_3.f90
new file mode 100644
index 0000000..fd35875
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/array_initializer_3.f90
@@ -0,0 +1,14 @@
+! { dg-do compile }
+! Tests the fix for PR28923 in which initializer array constructors with
+! a missing initial array index and negative stride would be incorrectly
+! interpreted.
+!
+! Contributed by Dominique d'Humieres <dominiq@lps.ens.fr>
+!
+real, dimension(3,3), parameter :: a=reshape ((/(i, i = 1,9)/),(/3,3/))
+real, dimension(2,3) :: b=a(:2:-1,:) ! { dg-error "different shape for Array assignment" }
+real, dimension(2,3) :: c=a(3:2:-1,:)
+print *, b
+print *, c
+end
+