relax aarch64 stack-clash tests depedence on alloca.h

2020-01-06  Olivier Hainque  <hainque@adacore.com>
	Alexandre Oliva  <oliva@adacore.com>

	* gcc.target/aarch64/stack-check-alloca.h: Remove
	#include alloca.h. #define alloca __builtin_alloca
	instead.
	* gcc.target/aarch64/stack-check-alloca-1.c: Add
	{ dg-require-effective-target alloca }.
	* gcc.target/aarch64/stack-check-alloca-2.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-3.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-4.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-5.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-6.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-7.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-8.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-9.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-10.c: Likewise.

Co-Authored-By: Alexandre Oliva <oliva@adacore.com>

From-SVN: r280010

12 files changed, 32 insertions, 2 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 972bb6d..63ba12d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,21 @@
+2020-01-08  Olivier Hainque  <hainque@adacore.com>
+            Alexandre Oliva  <oliva@adacore.com>
+
+	* gcc.target/aarch64/stack-check-alloca.h: Remove
+	#include alloca.h. #define alloca __builtin_alloca
+	instead.
+	* gcc.target/aarch64/stack-check-alloca-1.c: Add
+	{ dg-require-effective-target alloca }.
+	* gcc.target/aarch64/stack-check-alloca-2.c: Likewise.
+	* gcc.target/aarch64/stack-check-alloca-3.c: Likewise.
+	* gcc.target/aarch64/stack-check-alloca-4.c: Likewise.
+	* gcc.target/aarch64/stack-check-alloca-5.c: Likewise.
+	* gcc.target/aarch64/stack-check-alloca-6.c: Likewise.
+	* gcc.target/aarch64/stack-check-alloca-7.c: Likewise.
+	* gcc.target/aarch64/stack-check-alloca-8.c: Likewise.
+	* gcc.target/aarch64/stack-check-alloca-9.c: Likewise.
+	* gcc.target/aarch64/stack-check-alloca-10.c: Likewise.
+
 2020-01-08  Martin Liska  <mliska@suse.cz>
 
 	* gcc.dg/ipa/ipa-icf-1.c: Update expected scanned output.
diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-1.c b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-1.c
index 7fc189f..e963ee6 100644
--- a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-1.c
+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-1.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fstack-clash-protection --param stack-clash-protection-guard-size=16" } */
 /* { dg-require-effective-target supports_stack_clash_protection } */
+/* { dg-require-effective-target alloca } */
 
 #define SIZE y
 #include "stack-check-alloca.h"
diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-10.c b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-10.c
index 7c42206..eb85843 100644
--- a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-10.c
+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-10.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fstack-clash-protection --param stack-clash-protection-guard-size=16" } */
 /* { dg-require-effective-target supports_stack_clash_protection } */
+/* { dg-require-effective-target alloca } */
 
 #define SIZE 127.5 * 64 * 1024
 #include "stack-check-alloca.h"
diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-2.c b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-2.c
index 69fdd16..cc8216d 100644
--- a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-2.c
+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-2.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fstack-clash-protection --param stack-clash-protection-guard-size=16" } */
 /* { dg-require-effective-target supports_stack_clash_protection } */
+/* { dg-require-effective-target alloca } */
 
 #define SIZE 0
 #include "stack-check-alloca.h"
diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-3.c b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-3.c
index fba3a7a..f5e51fa 100644
--- a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-3.c
+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-3.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fstack-clash-protection --param stack-clash-protection-guard-size=16" } */
 /* { dg-require-effective-target supports_stack_clash_protection } */
+/* { dg-require-effective-target alloca } */
 
 #define SIZE 100
 #include "stack-check-alloca.h"
diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-4.c b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-4.c
index d53f30a..c903f4d 100644
--- a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-4.c
+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-4.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fstack-clash-protection --param stack-clash-protection-guard-size=16" } */
 /* { dg-require-effective-target supports_stack_clash_protection } */
+/* { dg-require-effective-target alloca } */
 
 #define SIZE 2 * 1024
 #include "stack-check-alloca.h"
diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-5.c b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-5.c
index e0ff99f..691ec23 100644
--- a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-5.c
+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-5.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fstack-clash-protection --param stack-clash-protection-guard-size=16" } */
 /* { dg-require-effective-target supports_stack_clash_protection } */
+/* { dg-require-effective-target alloca } */
 
 #define SIZE 63 * 1024
 #include "stack-check-alloca.h"
diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-6.c b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-6.c
index c4bad9a..9e4af23 100644
--- a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-6.c
+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-6.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fstack-clash-protection --param stack-clash-protection-guard-size=16" } */
 /* { dg-require-effective-target supports_stack_clash_protection } */
+/* { dg-require-effective-target alloca } */
 
 #define SIZE 63.5 * 1024
 #include "stack-check-alloca.h"
diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-7.c b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-7.c
index cba9ff8..f0ce2d8 100644
--- a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-7.c
+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-7.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fstack-clash-protection --param stack-clash-protection-guard-size=16" } */
 /* { dg-require-effective-target supports_stack_clash_protection } */
+/* { dg-require-effective-target alloca } */
 
 #define SIZE 64 * 1024
 #include "stack-check-alloca.h"
diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-8.c b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-8.c
index 5a35411..caaab04 100644
--- a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-8.c
+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-8.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fstack-clash-protection --param stack-clash-protection-guard-size=16" } */
 /* { dg-require-effective-target supports_stack_clash_protection } */
+/* { dg-require-effective-target alloca } */
 
 #define SIZE 65 * 1024
 #include "stack-check-alloca.h"
diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-9.c b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-9.c
index 5773d80..2c42e85 100644
--- a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-9.c
+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca-9.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fstack-clash-protection --param stack-clash-protection-guard-size=16" } */
 /* { dg-require-effective-target supports_stack_clash_protection } */
+/* { dg-require-effective-target alloca } */
 
 #define SIZE 127 * 64 * 1024
 #include "stack-check-alloca.h"
diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca.h b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca.h
index a4f7fa2..8c75f6c 100644
--- a/gcc/testsuite/gcc.target/aarch64/stack-check-alloca.h
+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-alloca.h
@@ -1,4 +1,6 @@
-#include <alloca.h>
+
+/* Avoid inclusion of alloca.h, unavailable on some systems.  */
+#define alloca __builtin_alloca
 
 __attribute__((noinline, noipa))
 void g (char* ptr, int y)
@@ -10,4 +12,4 @@ void f_caller (int y)
 {
   char* pStr = alloca(SIZE);
   g (pStr, y);
-}
\ No newline at end of file
+}