add comments to the two unexercised tests

git-svn-id: https://gcc.gnu.org/svn/gcc/branches/ibm/bz78056-enhance@243425 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 16 insertions, 4 deletions

diff --git a/gcc/testsuite/gcc.target/powerpc/pr78056-5.c b/gcc/testsuite/gcc.target/powerpc/pr78056-5.c
index 0fca450ff53..c0453cd1afc 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr78056-5.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr78056-5.c
@@ -3,10 +3,6 @@
 /* powerpc_vsx_ok represents power7 */
 /* { dg-require-effective-target powerpc_vsx_ok } */
 /* { dg-skip-if "" { powerpc*-*-aix* } } */
-/* There is an "incompatibility" between power6 flags and power7 which
-   is not resolved with the __attribute__ directive below, so we'll
-   test the __attribute__ directive using a -mcpu=power5 command
-   line.  */
 /* { dg-options "-mcpu=power5" } */
 
 /* Though the command line specifies power5 target, this function is
diff --git a/gcc/testsuite/gcc.target/powerpc/pr78056-6.c b/gcc/testsuite/gcc.target/powerpc/pr78056-6.c
index 772fc98a77f..71eb7f81701 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr78056-6.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr78056-6.c
@@ -1,5 +1,7 @@
 /* { dg-do compile { target { powerpc*-*-* } } } */
 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power6" } } */
+/* dfp_hw represents power 6 */
+/* { dg-require-effective-target dfp_hw } */
 /* powerpc_vsx_ok represents power7 */
 /* { dg-skip-if "" { powerpc_vsx_ok } } */
 /* { dg-skip-if "" { powerpc*-*-aix* } } */
@@ -8,6 +10,13 @@
 /* This test should succeed on both 32- and 64-bit configurations.  */
 #include <altivec.h>
 
+/* This test follow the pattern of pr78056-2.c, which has been
+ * exercised with binutils 2.25.  This test, however, has not
+ * been exercised because the author of the test does not have access
+ * to a development environment that succesfully bootstraps gcc
+ * while at the same lacking assembler support for power 7.
+ */
+
 /* Though the command line specifies power6 target, this function is
    to support power7.  */
 __attribute__((target("cpu=power7")))
diff --git a/gcc/testsuite/gcc.target/powerpc/pr78056-8.c b/gcc/testsuite/gcc.target/powerpc/pr78056-8.c
index 88a59b11185..81d8f47a8a6 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr78056-8.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr78056-8.c
@@ -11,6 +11,13 @@
 /* { dg-skip-if "" { powerpc*-*-aix* } } */
 /* { dg-options "-mcpu=power5" } */
 
+/* This test follow the pattern of pr78056-2.c, which has been
+ * exercised with binutils 2.25.  This test, however, has not
+ * been exercised because the author of the test does not have access
+ * to a development environment that succesfully bootstraps gcc
+ * while at the same lacking assembler support for power 6.
+ */
+
 /* This test should succeed on both 32- and 64-bit configurations.  */
 /* Though the command line specifies power5 target, this function is
    to support power6. Expect an error message here because this target