rs6000-c.c (altivec_resolve_overloaded_builtin): Issue a warning message when vec_lvs...

[gcc]

2014-10-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	Issue a warning message when vec_lvsl or vec_lvsr is used with a
	little endian target.

[gcc/testsuite]

2014-10-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* g++.dg/ext/altivec-2.C: Compile with -Wno-deprecated to avoid
	failing with the new warning message.
	* gcc.dg/vmx/3c-01a.c: Likewise.
	* gcc.dg/vmx/ops-long-1.c: Likewise.
	* gcc.dg/vmx/ops.c: Likewise.
	* gcc.target/powerpc/altivec-20.c: Likewise.
	* gcc.target/powerpc/altivec-6.c: Likewise.
	* gcc.target/powerpc/altivec-vec-merge.c: Likewise.
	* gcc.target/powerpc/vsx-builtin-8.c: Likewise.
	* gcc.target/powerpc/warn-lvsl-lvsr.c: New test.

From-SVN: r215880

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 96845dd8a32860703d099261497c6fae0f018588..04991981f4570d6fb3d22cbf7f599c4bb5de5dd1 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2014-10-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
+
+       * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
+       Issue a warning message when vec_lvsl or vec_lvsr is used with a
+       little endian target.
+
 2014-10-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 
        * tree-pretty-print.c (dump_location): Make it extern. Dump also

diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c
index 9c16a886d772e953723291f71344e6aa284e7f71..f024dccfdfc23fe65506e23d3d374d9ed5d365e4 100644 (file)
--- a/gcc/config/rs6000/rs6000-c.c
+++ b/gcc/config/rs6000/rs6000-c.c
@@ -4326,6 +4326,14 @@ altivec_resolve_overloaded_builtin (location_t loc, tree fndecl,
   if (TARGET_DEBUG_BUILTIN)
     fprintf (stderr, "altivec_resolve_overloaded_builtin, code = %4d, %s\n",
             (int)fcode, IDENTIFIER_POINTER (DECL_NAME (fndecl)));
+ 
+  /* vec_lvsl and vec_lvsr are deprecated for use with LE element order.  */
+  if (fcode == ALTIVEC_BUILTIN_VEC_LVSL && !VECTOR_ELT_ORDER_BIG)
+    warning (OPT_Wdeprecated, "vec_lvsl is deprecated for little endian; use \
+assignment for unaligned loads and stores");
+  else if (fcode == ALTIVEC_BUILTIN_VEC_LVSR && !VECTOR_ELT_ORDER_BIG)
+    warning (OPT_Wdeprecated, "vec_lvsr is deprecated for little endian; use \
+assignment for unaligned loads and stores");
 
   /* For now treat vec_splats and vec_promote as the same.  */
   if (fcode == ALTIVEC_BUILTIN_VEC_SPLATS

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d058741487384edc2d6cf705ebcd7921b6053711..489f3ee8411b0b96457ab3a61a7075480ce5f542 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,16 @@
+2014-10-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
+
+       * g++.dg/ext/altivec-2.C: Compile with -Wno-deprecated to avoid
+       failing with the new warning message.
+       * gcc.dg/vmx/3c-01a.c: Likewise.
+       * gcc.dg/vmx/ops-long-1.c: Likewise.
+       * gcc.dg/vmx/ops.c: Likewise.
+       * gcc.target/powerpc/altivec-20.c: Likewise.
+       * gcc.target/powerpc/altivec-6.c: Likewise.
+       * gcc.target/powerpc/altivec-vec-merge.c: Likewise.
+       * gcc.target/powerpc/vsx-builtin-8.c: Likewise.
+       * gcc.target/powerpc/warn-lvsl-lvsr.c: New test.
+
 2014-10-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 
        * gcc.dg/tm/debug-1.c: Update regex.

diff --git a/gcc/testsuite/g++.dg/ext/altivec-2.C b/gcc/testsuite/g++.dg/ext/altivec-2.C
index eb8a92942bc80c3de5a29cb0414e5a2b9710c807..e14e6f800f782b274a05174d9a299f45c219039f 100644 (file)
--- a/gcc/testsuite/g++.dg/ext/altivec-2.C
+++ b/gcc/testsuite/g++.dg/ext/altivec-2.C
@@ -1,6 +1,6 @@
 /* { dg-do compile { target powerpc*-*-* } } */
 /* { dg-require-effective-target powerpc_altivec_ok } */
-/* { dg-options "-maltivec -Wall -Wno-unused-but-set-variable" } */
+/* { dg-options "-maltivec -Wall -Wno-unused-but-set-variable -Wno-deprecated" } */
 
 /* This test checks if AltiVec builtins accept const-qualified
    arguments.  */

diff --git a/gcc/testsuite/gcc.dg/vmx/3c-01a.c b/gcc/testsuite/gcc.dg/vmx/3c-01a.c
index 2499ca66598c8616c49a8aa2af130f56d6a05c3b..3b02ebe6971cd2861820fb295f92cdb6894c5cab 100644 (file)
--- a/gcc/testsuite/gcc.dg/vmx/3c-01a.c
+++ b/gcc/testsuite/gcc.dg/vmx/3c-01a.c
@@ -1,4 +1,5 @@
 /* { dg-do compile } */
+/* { dg-options "-Wno-deprecated" } */
 #include <altivec.h>
 typedef const volatile unsigned int _1;
 typedef const  unsigned int _2;

diff --git a/gcc/testsuite/gcc.dg/vmx/ops-long-1.c b/gcc/testsuite/gcc.dg/vmx/ops-long-1.c
index 5471706790ab25af8bfa4451e32aa27bac7620be..15f7a5bbc1f8714998bec277a7948bb5332651de 100644 (file)
--- a/gcc/testsuite/gcc.dg/vmx/ops-long-1.c
+++ b/gcc/testsuite/gcc.dg/vmx/ops-long-1.c
@@ -1,4 +1,5 @@
 /* { dg-do compile } */
+/* { dg-options "-Wno-deprecated" } */
 
 /* Checks from the original ops.c that pass pointers to long or
    unsigned long for operations that support that in released versions

diff --git a/gcc/testsuite/gcc.dg/vmx/ops.c b/gcc/testsuite/gcc.dg/vmx/ops.c
index 6c00e9638282552063205cf32170f86285890c8d..ee7a418ed8c74d3c726d4bd4cd56e16678b4f5af 100644 (file)
--- a/gcc/testsuite/gcc.dg/vmx/ops.c
+++ b/gcc/testsuite/gcc.dg/vmx/ops.c
@@ -1,4 +1,5 @@
 /* { dg-do compile } */
+/* { dg-options "-Wno-deprecated" } */
 #include <altivec.h>
 #include <stdlib.h>
 extern char * *var_char_ptr;

diff --git a/gcc/testsuite/gcc.target/powerpc/altivec-20.c b/gcc/testsuite/gcc.target/powerpc/altivec-20.c
index b2c29a979d926802783ea0f44c6b014785f148a0..1af8ed7dc54409e2174fdb49384a79f44755df42 100644 (file)
--- a/gcc/testsuite/gcc.target/powerpc/altivec-20.c
+++ b/gcc/testsuite/gcc.target/powerpc/altivec-20.c
@@ -1,5 +1,5 @@
 /* { dg-do compile { target powerpc_altivec_ok } } */
-/* { dg-options "-maltivec -mcpu=G5 -O2" } */
+/* { dg-options "-maltivec -mcpu=G5 -O2 -Wno-deprecated" } */
 
 #include <altivec.h>
 

diff --git a/gcc/testsuite/gcc.target/powerpc/altivec-6.c b/gcc/testsuite/gcc.target/powerpc/altivec-6.c
index 51d411688fb51caf4a3476384db131e686b94728..29856fd0794ba52ae17c65d6386ce0305f076f46 100644 (file)
--- a/gcc/testsuite/gcc.target/powerpc/altivec-6.c
+++ b/gcc/testsuite/gcc.target/powerpc/altivec-6.c
@@ -1,6 +1,6 @@
 /* { dg-do compile { target powerpc*-*-* } } */
 /* { dg-require-effective-target powerpc_altivec_ok } */
-/* { dg-options "-maltivec -O0 -Wall" } */
+/* { dg-options "-maltivec -O0 -Wall -Wno-deprecated" } */
 
 #include <altivec.h>
 

diff --git a/gcc/testsuite/gcc.target/powerpc/altivec-vec-merge.c b/gcc/testsuite/gcc.target/powerpc/altivec-vec-merge.c
index 3689f97490ce2361a918d8079d6fb2727444e24d..b1ed8b8649163f908b5ace8438b26530acb00e35 100644 (file)
--- a/gcc/testsuite/gcc.target/powerpc/altivec-vec-merge.c
+++ b/gcc/testsuite/gcc.target/powerpc/altivec-vec-merge.c
@@ -1,7 +1,7 @@
 /* { dg-do run { target { powerpc*-*-* && vmx_hw } } } */
 /* { dg-do compile { target { powerpc*-*-* && { ! vmx_hw } } } } */
 /* { dg-require-effective-target powerpc_altivec_ok } */
-/* { dg-options "-maltivec -O2" } */
+/* { dg-options "-maltivec -O2 -Wno-deprecated" } */
 
 #include <altivec.h>
 

diff --git a/gcc/testsuite/gcc.target/powerpc/vsx-builtin-8.c b/gcc/testsuite/gcc.target/powerpc/vsx-builtin-8.c
index 836b3851cad843cda2ce4753e84663f5d05b67ec..934cdad250c56810189ae2d474ee1f690d8d9724 100644 (file)
--- a/gcc/testsuite/gcc.target/powerpc/vsx-builtin-8.c
+++ b/gcc/testsuite/gcc.target/powerpc/vsx-builtin-8.c
@@ -1,7 +1,7 @@
 /* { dg-do compile { target { powerpc*-*-* } } } */
 /* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */
 /* { dg-require-effective-target powerpc_vsx_ok } */
-/* { dg-options "-O3 -mcpu=power7" } */
+/* { dg-options "-O3 -mcpu=power7 -Wno-deprecated" } */
 
 /* Test the various load/store varients.  */
 

diff --git a/gcc/testsuite/gcc.target/powerpc/warn-lvsl-lvsr.c b/gcc/testsuite/gcc.target/powerpc/warn-lvsl-lvsr.c
new file mode 100644 (file)
index 0000000..bf889aa
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/warn-lvsl-lvsr.c
@@ -0,0 +1,14 @@
+/* Test for deprecation messages on use of lvsl and lvsr for little endian.  */
+
+/* { dg-do compile { target { powerpc64le-*-* } } } */
+/* { dg-options "-O0 -Wdeprecated" } */
+
+#include <altivec.h>
+
+float f[20];
+
+void foo ()
+{
+  vector unsigned char a = vec_lvsl (4, f); /* { dg-warning "vec_lvsl is deprecated for little endian; use assignment for unaligned loads and stores" } */
+  vector unsigned char b = vec_lvsr (8, f); /* { dg-warning "vec_lvsr is deprecated for little endian; use assignment for unaligned loads and stores" } */
+}