testsuite: fix ASAN errors in i386.exp tests

gcc/testsuite/ChangeLog:

	* gcc.target/i386/avx2-i32gatherpd256-4.c: Fix ASAN errors.
	* gcc.target/i386/avx2-i32gatherq256-4.c: Likewise.
	* gcc.target/i386/avx2-i64gatherpd256-4.c: Likewise.
	* gcc.target/i386/avx2-i64gatherq256-4.c: Likewise.
	* gcc.target/i386/avx2-vpabsb256-2.c: Likewise.
	* gcc.target/i386/avx2-vpabsd256-2.c: Likewise.
	* gcc.target/i386/avx2-vpabsw256-2.c: Likewise.
	* gcc.target/i386/avx256-unaligned-load-7.c: Likewise.
	* gcc.target/i386/avx256-unaligned-store-7.c: Likewise.
	* gcc.target/i386/pr64291-1.c: Likewise.

10 files changed, 46 insertions, 30 deletions

diff --git a/gcc/testsuite/gcc.target/i386/avx2-i32gatherpd256-4.c b/gcc/testsuite/gcc.target/i386/avx2-i32gatherpd256-4.c
index f24acbd..17b0c40 100644
--- a/gcc/testsuite/gcc.target/i386/avx2-i32gatherpd256-4.c
+++ b/gcc/testsuite/gcc.target/i386/avx2-i32gatherpd256-4.c
@@ -25,15 +25,19 @@ avx2_test (void)
   int i;
   union128i_d idx;
   union256d res, src, mask;
-  double s1[4], res_ref[4] = { 0 };
+  double s1[16], res_ref[4] = { 0 };
+  double *s1_ptr = s1 + 8;
 
-  for (i = 0; i < 4; ++i)
+  for (i = 0; i < ARRAY_SIZE (s1); i++)
     {
       /* Set some stuff */
       s1[i] = 2.718281828459045 * (i + 1) * (i + 2);
+    }
 
+  for (i = 0; i < 4; ++i)
+    {
       /* Set src as something different from s1 */
-      src.a[i] = -s1[i];
+      src.a[i] = -s1_ptr[i];
 
       /* Mask out evens */
       ((long long *) mask.a)[i] = i % 2 ? 0 : -1;
@@ -43,9 +47,9 @@ avx2_test (void)
       idx.a[i] = (16 - (i + 1) * 8) >> 1;
     }
 
-  res.x = _mm256_mask_i32gather_pd (src.x, s1, idx.x, mask.x, 2);
+  res.x = _mm256_mask_i32gather_pd (src.x, s1_ptr, idx.x, mask.x, 2);
 
-  compute_i32gatherpd256 (src.a, s1, idx.a, mask.a, 2, res_ref);
+  compute_i32gatherpd256 (src.a, s1_ptr, idx.a, mask.a, 2, res_ref);
 
   if (check_union256d (res, res_ref) != 0)
     abort ();
diff --git a/gcc/testsuite/gcc.target/i386/avx2-i32gatherq256-4.c b/gcc/testsuite/gcc.target/i386/avx2-i32gatherq256-4.c
index 3eab9be..77ebf1f 100644
--- a/gcc/testsuite/gcc.target/i386/avx2-i32gatherq256-4.c
+++ b/gcc/testsuite/gcc.target/i386/avx2-i32gatherq256-4.c
@@ -25,15 +25,19 @@ avx2_test (void)
   long long i;
   union128i_d idx;
   union256i_q res, src, mask;
-  long long s1[4], res_ref[4] = { 0 };
+  long long s1[16], res_ref[4] = { 0 };
+  long long *s1_ptr = s1 + 8;
 
-  for (i = 0; i < 4; ++i)
+  for (i = 0; i < ARRAY_SIZE (s1); i++)
     {
       /* Set some stuff */
       s1[i] = 1983 * (i + 1) * (i + 2);
+    }
 
+  for (i = 0; i < 4; ++i)
+    {
       /* Set src as something different from s1 */
-      src.a[i] = -s1[i];
+      src.a[i] = -s1_ptr[i];
 
       /* Mask out evens */
       mask.a[i] = i % 2 ? 0 : -1;
@@ -44,10 +48,10 @@ avx2_test (void)
     }
 
   res.x = _mm256_mask_i32gather_epi64 (src.x,
-				       (long long int *) s1,
+				       (long long int *) s1_ptr,
 				       idx.x, mask.x, 2);
 
-  compute_i32gatherpd256 (src.a, s1, idx.a, mask.a, 2, res_ref);
+  compute_i32gatherpd256 (src.a, s1_ptr, idx.a, mask.a, 2, res_ref);
 
   if (check_union256i_q (res, res_ref) != 0)
     abort ();
diff --git a/gcc/testsuite/gcc.target/i386/avx2-i64gatherpd256-4.c b/gcc/testsuite/gcc.target/i386/avx2-i64gatherpd256-4.c
index 09a5f8a..cf94256 100644
--- a/gcc/testsuite/gcc.target/i386/avx2-i64gatherpd256-4.c
+++ b/gcc/testsuite/gcc.target/i386/avx2-i64gatherpd256-4.c
@@ -25,15 +25,19 @@ avx2_test (void)
   int i;
   union256i_q idx;
   union256d res, src, mask;
-  double s1[4], res_ref[4] = { 0 };
+  double s1[16], res_ref[4] = { 0 };
+  double *s1_ptr = s1 + 8;
 
-  for (i = 0; i < 4; ++i)
+  for (i = 0; i < ARRAY_SIZE (s1); i++)
     {
       /* Set some stuff */
       s1[i] = 2.718281828459045 * (i + 1) * (i + 2);
+    }
 
+  for (i = 0; i < 4; ++i)
+    {
       /* Set src as something different from s1 */
-      src.a[i] = -s1[i];
+      src.a[i] = -s1_ptr[i];
 
       /* Mask out evens */
       ((long long *) mask.a)[i] = i % 2 ? 0 : -1;
@@ -43,9 +47,9 @@ avx2_test (void)
       idx.a[i] = (16 - (i + 1) * 8) >> 1;
     }
 
-  res.x = _mm256_mask_i64gather_pd (src.x, s1, idx.x, mask.x, 2);
+  res.x = _mm256_mask_i64gather_pd (src.x, s1_ptr, idx.x, mask.x, 2);
 
-  compute_i64gatherpd256 (src.a, s1, idx.a, mask.a, 2, res_ref);
+  compute_i64gatherpd256 (src.a, s1_ptr, idx.a, mask.a, 2, res_ref);
 
   if (check_union256d (res, res_ref) != 0)
     abort ();
diff --git a/gcc/testsuite/gcc.target/i386/avx2-i64gatherq256-4.c b/gcc/testsuite/gcc.target/i386/avx2-i64gatherq256-4.c
index 355c8c2..396ffb4 100644
--- a/gcc/testsuite/gcc.target/i386/avx2-i64gatherq256-4.c
+++ b/gcc/testsuite/gcc.target/i386/avx2-i64gatherq256-4.c
@@ -26,15 +26,19 @@ avx2_test (void)
   long long i;
   union256i_q idx;
   union256i_q res, src, mask;
-  long long s1[4], res_ref[4] = { 0 };
+  long long s1[16], res_ref[4] = { 0 };
+  long long *s1_ptr = s1 + 8;
 
-  for (i = 0; i < 4; ++i)
+  for (i = 0; i < ARRAY_SIZE (s1); i++)
     {
       /* Set some stuff */
       s1[i] = 1983 * (i + 1) * (i + 2);
+    }
 
+  for (i = 0; i < 4; ++i)
+    {
       /* Set src as something different from s1 */
-      src.a[i] = -s1[i];
+      src.a[i] = -s1_ptr[i];
 
       /* Mask out evens */
       ((long long *) mask.a)[i] = i % 2 ? 0 : -1;
@@ -45,10 +49,10 @@ avx2_test (void)
     }
 
   res.x = _mm256_mask_i64gather_epi64 (src.x,
-				       (long long int *) s1,
+				       (long long int *) s1_ptr,
 				       idx.x, mask.x, 2);
 
-  compute_i64gatherq256 (src.a, s1, idx.a, mask.a, 2, res_ref);
+  compute_i64gatherq256 (src.a, s1_ptr, idx.a, mask.a, 2, res_ref);
 
   if (check_union256i_q (res, res_ref) != 0)
     abort ();
diff --git a/gcc/testsuite/gcc.target/i386/avx2-vpabsb256-2.c b/gcc/testsuite/gcc.target/i386/avx2-vpabsb256-2.c
index 05db8a4..9b732af 100644
--- a/gcc/testsuite/gcc.target/i386/avx2-vpabsb256-2.c
+++ b/gcc/testsuite/gcc.target/i386/avx2-vpabsb256-2.c
@@ -28,7 +28,7 @@ avx2_test (void)
 
   union256i_b s, d;
 
-  for (i = 0; i < 256; ++i)
+  for (i = 0; i < 256 - 7; ++i)
     {
       /* Recompute the results for 256-bits */
       compute_pabs256 (&vals[i], ck);
diff --git a/gcc/testsuite/gcc.target/i386/avx2-vpabsd256-2.c b/gcc/testsuite/gcc.target/i386/avx2-vpabsd256-2.c
index 4c88024..caf1a58 100644
--- a/gcc/testsuite/gcc.target/i386/avx2-vpabsd256-2.c
+++ b/gcc/testsuite/gcc.target/i386/avx2-vpabsd256-2.c
@@ -27,7 +27,7 @@ avx2_test (void)
 
   union256i_d s, d;
 
-  for (i = 0; i < 256; ++i)
+  for (i = 0; i < 256 - 7; ++i)
     {
       /* Recompute the results for 256-bits */
       compute_pabs256 (&vals[i], ck);
diff --git a/gcc/testsuite/gcc.target/i386/avx2-vpabsw256-2.c b/gcc/testsuite/gcc.target/i386/avx2-vpabsw256-2.c
index fa4efd2..299323d 100644
--- a/gcc/testsuite/gcc.target/i386/avx2-vpabsw256-2.c
+++ b/gcc/testsuite/gcc.target/i386/avx2-vpabsw256-2.c
@@ -28,7 +28,7 @@ avx2_test (void)
 
   union256i_w s, d;
 
-  for (i = 0; i < 256; ++i)
+  for (i = 0; i < 256 - 7; ++i)
     {
       /* Using only first 2 bytes of int */
       /* Recompute the results for 256-bits */
diff --git a/gcc/testsuite/gcc.target/i386/avx256-unaligned-load-7.c b/gcc/testsuite/gcc.target/i386/avx256-unaligned-load-7.c
index 4c6054c..de30ddb 100644
--- a/gcc/testsuite/gcc.target/i386/avx256-unaligned-load-7.c
+++ b/gcc/testsuite/gcc.target/i386/avx256-unaligned-load-7.c
@@ -16,10 +16,10 @@ __attribute__ ((noinline))
 void
 foo (void)
 {
-  mp = (char **) malloc (N);
-  lp = (char **) malloc (N);
-  ep = (char **) malloc (N);
-  fp = (char **) malloc (N);
+  mp = (char **) malloc (N * sizeof (char **));
+  lp = (char **) malloc (N * sizeof (char **));
+  ep = (char **) malloc (N * sizeof (char **));
+  fp = (char **) malloc (N * sizeof (char **));
 }
 
 void
diff --git a/gcc/testsuite/gcc.target/i386/avx256-unaligned-store-7.c b/gcc/testsuite/gcc.target/i386/avx256-unaligned-store-7.c
index 99a0c71..2752e7f 100644
--- a/gcc/testsuite/gcc.target/i386/avx256-unaligned-store-7.c
+++ b/gcc/testsuite/gcc.target/i386/avx256-unaligned-store-7.c
@@ -14,8 +14,8 @@ __attribute__ ((noinline))
 void
 foo (void)
 {
-  ep = (char **) malloc (N);
-  fp = (char **) malloc (N);
+  ep = (char **) malloc (N * sizeof (char **));
+  fp = (char **) malloc (N * sizeof (char **));
 }
 
 void
diff --git a/gcc/testsuite/gcc.target/i386/pr64291-1.c b/gcc/testsuite/gcc.target/i386/pr64291-1.c
index 1d3a380..85f1e04 100644
--- a/gcc/testsuite/gcc.target/i386/pr64291-1.c
+++ b/gcc/testsuite/gcc.target/i386/pr64291-1.c
@@ -24,7 +24,7 @@ int main ()
   f (n);
   h (d);
   qp = (unsigned long*)__builtin_alloca(4099*8) + 1;
-  dnp = (unsigned long*)__builtin_alloca (2049*8);
+  dnp = (unsigned long*)__builtin_alloca (2049*8) + 1;
   alloc = 1;
   for (test = 0; test < 1; test++)
     {