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authorJanis Johnson <janis187@us.ibm.com>2004-12-03 17:37:12 +0000
committerJanis Johnson <janis@gcc.gnu.org>2004-12-03 17:37:12 +0000
commit5edea4c66480239d8a6c75ca976af634ea6d1253 (patch)
treeb0b8dfe81e2fb7a23266d9c665511f8c00687417 /gcc
parent9c7956fd00a3e064d98ac51090cbe5aa55b9336c (diff)
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extend.texi (AltiVec Builtins): Fix info about signedness.
* doc/extend.texi (AltiVec Builtins): Fix info about signedness. * testsuite/gcc.dg/altivec-18.c: Fix for darwin From-SVN: r91688
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/doc/extend.texi7
-rw-r--r--gcc/testsuite/ChangeLog4
-rw-r--r--gcc/testsuite/gcc.dg/altivec-18.c7
4 files changed, 16 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2aab1af..a397f59 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2004-12-03 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/extend.texi (AltiVec Builtins): Fix info about signedness.
+
2004-12-03 Andreas Tobler <a.tobler@schweiz.ch>
* config/rs6000/rs6000.c (rs6000_override_options): Protect
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index f4134b1..8a3decd 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -6620,9 +6620,10 @@ A vector initializer requires no cast if the vector constant is of the
same type as the variable it is initializing.
@item
-If @code{signed} or @code{unsigned} is omitted, the vector type defaults
-to @code{signed} for @code{vector int} or @code{vector short} and to
-@code{unsigned} for @code{vector char}.
+If @code{signed} or @code{unsigned} is omitted, the signedness of the
+vector type is the default signedness of the base type. The default
+varies depending on the operating system, so a portable program should
+always specify the signedness.
@item
Compiling with @option{-maltivec} adds keywords @code{__vector},
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 7f6dc12..eba1f1e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2004-12-03 Janis Johnson <janis187@us.ibm.com>
+
+ * gcc.dg/altivec-18.c: Fix for darwin
+
2004-12-03 Nathan Sidwell <nathan@codesourcery.com>
PR c++/18782
diff --git a/gcc/testsuite/gcc.dg/altivec-18.c b/gcc/testsuite/gcc.dg/altivec-18.c
index af5687e..9a3ee33 100644
--- a/gcc/testsuite/gcc.dg/altivec-18.c
+++ b/gcc/testsuite/gcc.dg/altivec-18.c
@@ -1,13 +1,14 @@
/* { dg-do compile { target powerpc*-*-* } } */
/* { dg-xfail-if "" { "powerpc-ibm-aix*" } { "-maltivec" } { "" } } */
/* { dg-options "-maltivec -mabi=altivec" } */
-/* { dg-final { scan-assembler "vcmpgtub" } } */
+/* { dg-final { scan-assembler "vcmpgtub" { target *-*-linux* } } } */
+/* { dg-final { scan-assembler "vcmpgtsb" { target *-*-darwin* } } } */
/* { dg-final { scan-assembler "vcmpgtsh" } } */
/* { dg-final { scan-assembler "vcmpgtsw" } } */
/* Verify a statement in the GCC Manual that vector type specifiers can
- omit "signed" or "unsigned", with the default being "signed" for int
- and short, and "unsigned" for char. */
+ omit "signed" or "unsigned". The default is the default signedness
+ of the base type, which differs depending on the ABI. */
#include <altivec.h>