FAILs have been reported for several tree-ssa vector-*.c tests
on i686-linux or on x86_64-linux with -m32.
This patch addresses these fails by setting the necessary -msse2 flags.

This patch also streamlines all tests to use dg-options instead
of dg-additional-options.  This is in line with most other tests
in gcc.dg/tree-ssa.

Tested with the following board config in RUNTESTFLAGS:
  --target_board=unix\{-m64,-m32,-m32/-mno-mmx/-mno-sse}

gcc/testsuite/ChangeLog:

        * gcc.dg/tree-ssa/satd-hadamard.c: Rename dg-additional-options
        to dg-options.
        * gcc.dg/tree-ssa/vector-10.c: Rename dg-additional-options
        to dg-options and add -msse2 to it.
        * gcc.dg/tree-ssa/vector-11.c: Likewise.
        * gcc.dg/tree-ssa/vector-8.c: Rename dg-additional-options
        to dg-options.
        * gcc.dg/tree-ssa/vector-9.c: Likewise.

Signed-off-by: Christoph Müllner <christoph.muell...@vrull.eu>
---
 gcc/testsuite/gcc.dg/tree-ssa/satd-hadamard.c | 2 +-
 gcc/testsuite/gcc.dg/tree-ssa/vector-10.c     | 5 +++--
 gcc/testsuite/gcc.dg/tree-ssa/vector-11.c     | 6 ++----
 gcc/testsuite/gcc.dg/tree-ssa/vector-8.c      | 2 +-
 gcc/testsuite/gcc.dg/tree-ssa/vector-9.c      | 2 +-
 5 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/satd-hadamard.c 
b/gcc/testsuite/gcc.dg/tree-ssa/satd-hadamard.c
index 6042378f165..b0d4f4c4a83 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/satd-hadamard.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/satd-hadamard.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-additional-options "-O3 -fdump-tree-forwprop4-details" } */
+/* { dg-options "-O3 -fdump-tree-forwprop4-details" } */
 /* { dg-additional-options "-msse2" { target i?86-*-* x86_64-*-* } } */
 
 #include <stdint.h>
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vector-10.c 
b/gcc/testsuite/gcc.dg/tree-ssa/vector-10.c
index bb1ed92dc90..4a095a1b54a 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/vector-10.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/vector-10.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
-/* { dg-additional-options "-O3 -fdump-tree-forwprop1-details -Wno-psabi" } */
+/* { dg-options "-O3 -fdump-tree-forwprop1-details -Wno-psabi" } */
+/* { dg-additional-options "-msse2" { target i?86-*-* x86_64-*-* } } */
 
 typedef int vec __attribute__((vector_size (4 * sizeof (int))));
 
@@ -105,7 +106,7 @@ void f4 (vec *p_v_in_1, vec *p_v_out_1, vec *p_v_out_2)
   v_y = v_1 - v_2;
   v_out_1 = __builtin_shuffle (v_x, v_y, sel);
 
-  /* Won't merge because of dependency.  */
+  /* Won't blend because of dependency.  */
   v_in_2 = foo (v_out_1);
 
   /* Second vec perm sequence.  */
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vector-11.c 
b/gcc/testsuite/gcc.dg/tree-ssa/vector-11.c
index e4102d318d2..b1f0c74152a 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/vector-11.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/vector-11.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
-/* { dg-additional-options "-O3 -fdump-tree-forwprop1-details -Wno-psabi" } */
+/* { dg-options "-O3 -fdump-tree-forwprop1-details -Wno-psabi" } */
+/* { dg-additional-options "-msse2" { target i?86-*-* x86_64-*-* } } */
 
 typedef int vec __attribute__((vector_size (4 * sizeof (int))));
 
@@ -27,9 +28,6 @@ void f1 (vec *p_v_in, vec *p_v_out_1, vec *p_v_out_2)
   v_y = v_1 + v_2;
   v_out_2 = __builtin_shuffle (v_y, v_x, sel);
 
-  /* Won't blend because the narrowed sequence
-     utilizes three of the four lanes.  */
-
   *p_v_out_1 = v_out_1;
   *p_v_out_2 = v_out_2;
 }
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vector-8.c 
b/gcc/testsuite/gcc.dg/tree-ssa/vector-8.c
index ba9a0187c10..b7e0a529c28 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/vector-8.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/vector-8.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-additional-options "-O3 -fdump-tree-forwprop1-details" } */
+/* { dg-options "-O3 -fdump-tree-forwprop1-details" } */
 /* { dg-additional-options "-msse2" { target i?86-*-* x86_64-*-* } } */
 
 typedef int vec __attribute__((vector_size (4 * sizeof (int))));
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vector-9.c 
b/gcc/testsuite/gcc.dg/tree-ssa/vector-9.c
index 1aa2ef99c3c..2fb2be6e2a5 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/vector-9.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/vector-9.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-additional-options "-O3 -fdump-tree-forwprop1-details" } */
+/* { dg-options "-O3 -fdump-tree-forwprop1-details" } */
 /* { dg-additional-options "-msse2" { target i?86-*-* x86_64-*-* } } */
 
 typedef int vec __attribute__((vector_size (4 * sizeof (int))));
-- 
2.47.1

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