re PR fortran/21594 ([4.0 only] FAIL: gfortran.dg/eoshift.f90 -O0 execution test)

2005-07-07  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/21594
	* intrinsics/eoshift0.c:  If abs(shift) > len, fill the
	the whole array with the boundary value, but don't overrun it.
	* intrinsics/eoshift2.c:  Likewise.
	* m4/eoshift1.m4:  Likewise.
	* m4/eoshift3.m4:  Likewise.
	* generated/eoshift1_4.c:  Regenerated.
	* generated/eoshift1_8.c:  Regenerated.
	* generated/eoshift3_4.c:  Regenerated.
	* generated/eoshift3_8.c:  Regenerated.

2005-07-07  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/21594
	* gfortran.fortran-torture/execute/intrinsic_eoshift.f90:
	Add test cases where the shift length is greater than the
	array length.

From-SVN: r101738

11 files changed, 122 insertions, 14 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 29ed4af..1804874 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2005-07-07  Thomas Koenig  <Thomas.Koenig@online.de>
+
+	PR libfortran/21594
+	* gfortran.fortran-torture/execute/intrinsic_eoshift.f90:
+	Add test cases where the shift length is greater than the
+	array length.
+
 2005-07-07  Ziemowit Laski  <zlaski@apple.com>
 
 	* obj-c++.dg/gnu-runtime-2.mm: Compile, do not run.
diff --git a/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_eoshift.f90 b/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_eoshift.f90
index 872422d..c4bbcdd 100644
--- a/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_eoshift.f90
+++ b/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_eoshift.f90
@@ -11,10 +11,18 @@ program intrinsic_eoshift
       call abort
 
    a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
+   a = eoshift (a, 9999, 99, 1)
+   if (any (a .ne. 99)) call abort
+
+   a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
    a = eoshift (a, -2, dim = 2)
    if (any (a .ne. reshape ((/0, 0, 0, 0, 0, 0, 1, 2, 3/), (/3, 3/)))) &
       call abort
 
+   a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
+   a = eoshift (a, -9999, 99, 1)
+   if (any (a .ne. 99)) call abort
+
    ! Array shift and scalar bound.
    a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
    a = eoshift (a, (/1, 0, -1/), 99, 1)
@@ -22,6 +30,11 @@ program intrinsic_eoshift
       call abort
 
    a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
+   a = eoshift (a, (/9999, 0, -9999/), 99, 1)
+   if (any (a .ne. reshape ((/99, 99, 99, 4, 5, 6, 99, 99, 99/), (/3, 3/)))) &
+      call abort
+
+   a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
    a = eoshift (a, (/2, -2, 0/), dim = 2)
    if (any (a .ne. reshape ((/7, 0, 3, 0, 0, 6, 0, 2, 9/), (/3, 3/)))) &
       call abort
@@ -33,6 +46,16 @@ program intrinsic_eoshift
       call abort
 
    a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
+   a = eoshift (a, 9999, (/99, -1, 42/), 1)
+   if (any (a .ne. reshape ((/99, 99, 99, -1, -1, -1, 42, 42, 42/), &
+	(/3, 3/)))) call abort
+
+   a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
+   a = eoshift (a, -9999, (/99, -1, 42/), 1)
+   if (any (a .ne. reshape ((/99, 99, 99, -1, -1, -1, 42, 42, 42/), &
+	(/3, 3/)))) call abort
+
+   a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
    a = eoshift (a, -2, (/99, -1, 42/), 2)
    if (any (a .ne. reshape ((/99, -1, 42, 99, -1, 42, 1, 2, 3/), (/3, 3/)))) &
       call abort
@@ -61,6 +84,11 @@ program intrinsic_eoshift
    if (any (a .ne. reshape ((/ -999, -999, -999, -99, 4, 5, -9, -9, -9 /), &
         shape(a)))) call abort
 
+   a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
+   a = eoshift (a, (/9999, -9999, 0/), (/99, -1, 42/), 2)
+   if (any (a .ne. reshape ((/99, -1, 3, 99, -1, 6, 99, -1, 9/), (/3, 3/)))) &
+      call abort
+
    ! Test arrays > rank 2
    b(:, :, 1) = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
    b(:, :, 2) = 10 + reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 242bd3c..b125679 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,16 @@
+2005-07-07  Thomas Koenig  <Thomas.Koenig@online.de>
+
+	PR libfortran/21594
+	* intrinsics/eoshift0.c:  If abs(shift) > len, fill the
+	the whole array with the boundary value, but don't overrun it.
+	* intrinsics/eoshift2.c:  Likewise.
+	* m4/eoshift1.m4:  Likewise.
+	* m4/eoshift3.m4:  Likewise.
+	* generated/eoshift1_4.c:  Regenerated.
+	* generated/eoshift1_8.c:  Regenerated.
+	* generated/eoshift3_4.c:  Regenerated.
+	* generated/eoshift3_8.c:  Regenerated.
+
 2005-07-07  Feng Wang  <fengwang@nudt.edu.cn>
 
 	PR fortran/16531
diff --git a/libgfortran/generated/eoshift1_4.c b/libgfortran/generated/eoshift1_4.c
index cb4dfb5..6012c3f 100644
--- a/libgfortran/generated/eoshift1_4.c
+++ b/libgfortran/generated/eoshift1_4.c
@@ -158,7 +158,14 @@ eoshift1_4 (gfc_array_char *ret,
     {
       /* Do the shift for this dimension.  */
       sh = *hptr;
-      delta = (sh >= 0) ? sh: -sh;
+      if (( sh >= 0 ? sh : -sh ) > len)
+	{
+	  delta = len;
+	  sh = len;
+	}
+      else
+	delta = (sh >= 0) ? sh: -sh;
+
       if (sh > 0)
         {
           src = &sptr[delta * soffset];
diff --git a/libgfortran/generated/eoshift1_8.c b/libgfortran/generated/eoshift1_8.c
index 379cb4a..3caf66a 100644
--- a/libgfortran/generated/eoshift1_8.c
+++ b/libgfortran/generated/eoshift1_8.c
@@ -158,7 +158,14 @@ eoshift1_8 (gfc_array_char *ret,
     {
       /* Do the shift for this dimension.  */
       sh = *hptr;
-      delta = (sh >= 0) ? sh: -sh;
+      if (( sh >= 0 ? sh : -sh ) > len)
+	{
+	  delta = len;
+	  sh = len;
+	}
+      else
+	delta = (sh >= 0) ? sh: -sh;
+
       if (sh > 0)
         {
           src = &sptr[delta * soffset];
diff --git a/libgfortran/generated/eoshift3_4.c b/libgfortran/generated/eoshift3_4.c
index 4ce66a3..1fe4e76 100644
--- a/libgfortran/generated/eoshift3_4.c
+++ b/libgfortran/generated/eoshift3_4.c
@@ -167,7 +167,14 @@ eoshift3_4 (gfc_array_char *ret, gfc_array_char *array,
     {
       /* Do the shift for this dimension.  */
       sh = *hptr;
-      delta = (sh >= 0) ? sh: -sh;
+      if (( sh >= 0 ? sh : -sh ) > len)
+	{
+	  delta = len;
+	  sh = len;
+	}
+      else
+	delta = (sh >= 0) ? sh: -sh;
+
       if (sh > 0)
         {
           src = &sptr[delta * soffset];
diff --git a/libgfortran/generated/eoshift3_8.c b/libgfortran/generated/eoshift3_8.c
index 7e9b911..69ead62 100644
--- a/libgfortran/generated/eoshift3_8.c
+++ b/libgfortran/generated/eoshift3_8.c
@@ -167,7 +167,14 @@ eoshift3_8 (gfc_array_char *ret, gfc_array_char *array,
     {
       /* Do the shift for this dimension.  */
       sh = *hptr;
-      delta = (sh >= 0) ? sh: -sh;
+      if (( sh >= 0 ? sh : -sh ) > len)
+	{
+	  delta = len;
+	  sh = len;
+	}
+      else
+	delta = (sh >= 0) ? sh: -sh;
+
       if (sh > 0)
         {
           src = &sptr[delta * soffset];
diff --git a/libgfortran/intrinsics/eoshift0.c b/libgfortran/intrinsics/eoshift0.c
index b1fbd1a..6152e9f 100644
--- a/libgfortran/intrinsics/eoshift0.c
+++ b/libgfortran/intrinsics/eoshift0.c
@@ -131,10 +131,19 @@ eoshift0 (gfc_array_char * ret, const gfc_array_char * array,
   sstride0 = sstride[0];
   rptr = ret->data;
   sptr = array->data;
-  if (shift > 0)
-    len = len - shift;
+
+  if ((shift >= 0 ? shift : -shift) > len)
+    {
+      shift = len;
+      len = 0;
+    }
   else
-    len = len + shift;
+    {
+      if (shift > 0)
+	len = len - shift;
+      else
+	len = len + shift;
+    }
 
   while (rptr)
     {
diff --git a/libgfortran/intrinsics/eoshift2.c b/libgfortran/intrinsics/eoshift2.c
index 70baf3c..4e2b41b 100644
--- a/libgfortran/intrinsics/eoshift2.c
+++ b/libgfortran/intrinsics/eoshift2.c
@@ -139,16 +139,25 @@ eoshift2 (gfc_array_char *ret, const gfc_array_char *array,
   bstride0 = bstride[0];
   rptr = ret->data;
   sptr = array->data;
+
+  if ((shift >= 0 ? shift : -shift ) > len)
+    {
+      shift = len;
+      len = 0;
+    }
+  else
+    {
+      if (shift > 0)
+	len = len - shift;
+      else
+	len = len + shift;
+    }
+  
   if (bound)
     bptr = bound->data;
   else
     bptr = zeros;
 
-  if (shift > 0)
-    len = len - shift;
-  else
-    len = len + shift;
-
   while (rptr)
     {
       /* Do the shift for this dimension.  */
diff --git a/libgfortran/m4/eoshift1.m4 b/libgfortran/m4/eoshift1.m4
index 906687a..a650f95 100644
--- a/libgfortran/m4/eoshift1.m4
+++ b/libgfortran/m4/eoshift1.m4
@@ -159,7 +159,14 @@ eoshift1_`'atype_kind (gfc_array_char *ret,
     {
 `      /* Do the shift for this dimension.  */'
       sh = *hptr;
-      delta = (sh >= 0) ? sh: -sh;
+      if (( sh >= 0 ? sh : -sh ) > len)
+	{
+	  delta = len;
+	  sh = len;
+	}
+      else
+	delta = (sh >= 0) ? sh: -sh;
+
       if (sh > 0)
         {
           src = &sptr[delta * soffset];
diff --git a/libgfortran/m4/eoshift3.m4 b/libgfortran/m4/eoshift3.m4
index 24b21cd..1e04113 100644
--- a/libgfortran/m4/eoshift3.m4
+++ b/libgfortran/m4/eoshift3.m4
@@ -168,7 +168,14 @@ eoshift3_`'atype_kind (gfc_array_char *ret, gfc_array_char *array,
     {
 `      /* Do the shift for this dimension.  */'
       sh = *hptr;
-      delta = (sh >= 0) ? sh: -sh;
+      if (( sh >= 0 ? sh : -sh ) > len)
+	{
+	  delta = len;
+	  sh = len;
+	}
+      else
+	delta = (sh >= 0) ? sh: -sh;
+
       if (sh > 0)
         {
           src = &sptr[delta * soffset];