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[Bug testsuite/60773] [4.9 Regression] FAIL: gcc.dg/vect/pr60656.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorized 1 loops" 1
- From: "congh at google dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 07 Apr 2014 19:16:16 +0000
- Subject: [Bug testsuite/60773] [4.9 Regression] FAIL: gcc.dg/vect/pr60656.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorized 1 loops" 1
- Auto-submitted: auto-generated
- References: <bug-60773-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60773
Cong Hou <congh at google dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |congh at google dot com
--- Comment #2 from Cong Hou <congh at google dot com> ---
This is my bad. I have created a new patch as below to fix this issue. Another
email is sent to gcc-patches also.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 414a745..ea860e7 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2014-04-07 Cong Hou <congh@google.com>
+
+ PR testsuite/60773
+ * testsuite/lib/target-supports.exp:
+ Add check_effective_target_vect_widen_mult_si_to_di_pattern.
+ * gcc.dg/vect/pr60656.c: Update the test by checking if the targets
+ vect_widen_mult_si_to_di_pattern and vect_long are supported.
+
2014-03-28 Cong Hou <congh@google.com>
PR tree-optimization/60656
diff --git a/gcc/testsuite/gcc.dg/vect/pr60656.c
b/gcc/testsuite/gcc.dg/vect/pr60656.c
index ebaab62..b80e008 100644
--- a/gcc/testsuite/gcc.dg/vect/pr60656.c
+++ b/gcc/testsuite/gcc.dg/vect/pr60656.c
@@ -1,5 +1,7 @@
/* { dg-require-effective-target vect_int } */
+/* { dg-require-effective-target vect_long } */
+#include <stdarg.h>
#include "tree-vect.h"
__attribute__ ((noinline)) long
@@ -12,7 +14,7 @@ foo ()
for(i = 0; i < 4; ++i)
{
long P = v[i];
- s += P*P*P;
+ s += P * P * P;
}
return s;
}
@@ -27,7 +29,7 @@ bar ()
for(i = 0; i < 4; ++i)
{
long P = v[i];
- s += P*P*P;
+ s += P * P * P;
__asm__ volatile ("");
}
return s;
@@ -35,11 +37,12 @@ bar ()
int main()
{
+ check_vect ();
+
if (foo () != bar ())
abort ();
return 0;
}
-/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target
vect_widen_mult_si_to_di_pattern } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
-
diff --git a/gcc/testsuite/lib/target-supports.exp
b/gcc/testsuite/lib/target-supports.exp
index bee8471..6d9d689 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -3732,6 +3732,27 @@ proc
check_effective_target_vect_widen_mult_hi_to_si_pattern { } {
}
# Return 1 if the target plus current options supports a vector
+# widening multiplication of *int* args into *long* result, 0 otherwise.
+#
+# This won't change for different subtargets so cache the result.
+
+proc check_effective_target_vect_widen_mult_si_to_di_pattern { } {
+ global et_vect_widen_mult_si_to_di_pattern
+
+ if [info exists et_vect_widen_mult_si_to_di_pattern_saved] {
+ verbose "check_effective_target_vect_widen_mult_si_to_di_pattern:
using cached result" 2
+ } else {
+ if {[istarget ia64-*-*]
+ || [istarget i?86-*-*]
+ || [istarget x86_64-*-*] } {
+ set et_vect_widen_mult_si_to_di_pattern_saved 1
+ }
+ }
+ verbose "check_effective_target_vect_widen_mult_si_to_di_pattern:
returning $et_vect_widen_mult_si_to_di_pattern_saved" 2
+ return $et_vect_widen_mult_si_to_di_pattern_saved
+}
+
+# Return 1 if the target plus current options supports a vector
# widening shift, 0 otherwise.
#
# This won't change for different subtargets so cache the result.