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[PATCH V5 03/11] testsuite: annotate c-torture/compile tests with dg-require-stack-size

From: "Jose E. Marchesi" <jose dot marchesi at oracle dot com>
To: gcc-patches at gcc dot gnu dot org
Date: Wed, 28 Aug 2019 23:47:47 +0200
Subject: [PATCH V5 03/11] testsuite: annotate c-torture/compile tests with dg-require-stack-size
References: <20190828214755.20951-1-jose.marchesi@oracle.com>
This patch annotates tests that make use of a significant a mount of
stack space.  Embedded and other restricted targets may have problems
compiling and running these tests.  Note that the annotations are in
many cases not exact.

testsuite/ChangeLog:

	* gcc.c-torture/compile/20000609-1.c: Annotate with
	dg-require-stack-size.
	* gcc/testsuite/gcc.c-torture/compile/20000804-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/20020304-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/20020604-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/20021015-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/20050303-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/20060421-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/20071207-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/20080903-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/20121027-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/20151204.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/920501-12.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/920501-4.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/920723-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/921202-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/931003-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/931004-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/950719-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/951222-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/990517-1.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/bcopy.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/pr23929.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/pr25310.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/pr34458.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/pr39937.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/pr41181.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/pr41634.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/pr43415.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/pr43417.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/pr44788.c: Likewise.
	* gcc/testsuite/gcc.c-torture/compile/sound.c: Likewise.
---
 gcc/testsuite/ChangeLog                          | 35 ++++++++++++++++++++++++
 gcc/testsuite/gcc.c-torture/compile/20000609-1.c |  2 ++
 gcc/testsuite/gcc.c-torture/compile/20000804-1.c |  1 +
 gcc/testsuite/gcc.c-torture/compile/20020304-1.c |  2 ++
 gcc/testsuite/gcc.c-torture/compile/20020604-1.c |  1 +
 gcc/testsuite/gcc.c-torture/compile/20021015-1.c |  1 +
 gcc/testsuite/gcc.c-torture/compile/20050303-1.c |  1 +
 gcc/testsuite/gcc.c-torture/compile/20060421-1.c |  2 ++
 gcc/testsuite/gcc.c-torture/compile/20071207-1.c |  1 +
 gcc/testsuite/gcc.c-torture/compile/20080903-1.c |  2 ++
 gcc/testsuite/gcc.c-torture/compile/20121027-1.c |  2 ++
 gcc/testsuite/gcc.c-torture/compile/20151204.c   |  1 +
 gcc/testsuite/gcc.c-torture/compile/920501-12.c  |  1 +
 gcc/testsuite/gcc.c-torture/compile/920501-4.c   |  1 +
 gcc/testsuite/gcc.c-torture/compile/920723-1.c   |  1 +
 gcc/testsuite/gcc.c-torture/compile/921202-1.c   |  2 ++
 gcc/testsuite/gcc.c-torture/compile/931003-1.c   |  2 ++
 gcc/testsuite/gcc.c-torture/compile/931004-1.c   |  2 ++
 gcc/testsuite/gcc.c-torture/compile/950719-1.c   |  2 ++
 gcc/testsuite/gcc.c-torture/compile/951222-1.c   |  2 ++
 gcc/testsuite/gcc.c-torture/compile/990517-1.c   |  3 ++
 gcc/testsuite/gcc.c-torture/compile/bcopy.c      |  1 +
 gcc/testsuite/gcc.c-torture/compile/pr23929.c    |  1 +
 gcc/testsuite/gcc.c-torture/compile/pr25310.c    |  1 +
 gcc/testsuite/gcc.c-torture/compile/pr34458.c    |  1 +
 gcc/testsuite/gcc.c-torture/compile/pr39937.c    |  2 ++
 gcc/testsuite/gcc.c-torture/compile/pr41181.c    |  2 ++
 gcc/testsuite/gcc.c-torture/compile/pr41634.c    |  2 ++
 gcc/testsuite/gcc.c-torture/compile/pr43415.c    |  2 ++
 gcc/testsuite/gcc.c-torture/compile/pr43417.c    |  2 ++
 gcc/testsuite/gcc.c-torture/compile/pr44788.c    |  2 ++
 gcc/testsuite/gcc.c-torture/compile/sound.c      |  1 +
 32 files changed, 84 insertions(+)

diff --git a/gcc/testsuite/gcc.c-torture/compile/20000609-1.c b/gcc/testsuite/gcc.c-torture/compile/20000609-1.c
index f03aa35a7ac..e41701cc6d9 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20000609-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20000609-1.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "1024" } */
+
 int main ()
 {
   char temp[1024] = "tempfile";
diff --git a/gcc/testsuite/gcc.c-torture/compile/20000804-1.c b/gcc/testsuite/gcc.c-torture/compile/20000804-1.c
index 35464c212d2..550669b53a3 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20000804-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20000804-1.c
@@ -6,6 +6,7 @@
 /* { dg-skip-if "Not enough 64-bit registers" { pdp11-*-* } { "-O0" } { "" } } */
 /* { dg-xfail-if "Inconsistent constraint on asm" { csky-*-* } { "-O0" } { "" } } */
 /* { dg-xfail-if "" { h8300-*-* } } */
+/* { dg-require-stack-size "99*4+16" } */
 
 /* Copyright (C) 2000, 2003 Free Software Foundation */
 __complex__ long long f ()
diff --git a/gcc/testsuite/gcc.c-torture/compile/20020304-1.c b/gcc/testsuite/gcc.c-torture/compile/20020304-1.c
index 3940d5ffd2e..046c5d69c94 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20020304-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20020304-1.c
@@ -4,6 +4,8 @@
    Original bug report is c/5830 by Manuel Serrano <Manuel.Serrano@inria.fr>.
  */
 
+/* { dg-require-stack-size "513" } */
+
 typedef union scmobj {
   struct pair {
     union scmobj *car;
diff --git a/gcc/testsuite/gcc.c-torture/compile/20020604-1.c b/gcc/testsuite/gcc.c-torture/compile/20020604-1.c
index d2e186a7182..4846f7997a3 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20020604-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20020604-1.c
@@ -1,6 +1,7 @@
 /* { dg-do assemble } */
 /* { dg-require-effective-target ptr32plus } */
 /* { dg-xfail-if "The array too big" { "h8300-*-*" } { "-mno-h" "-mn" } { "" } } */
+/* { dg-require-stack-size "2048*4*4" } */
 
 /* PR c/6957
    This testcase ICEd at -O2 on IA-32, because
diff --git a/gcc/testsuite/gcc.c-torture/compile/20021015-1.c b/gcc/testsuite/gcc.c-torture/compile/20021015-1.c
index 789b8a8b176..9753876c2d7 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20021015-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20021015-1.c
@@ -1,4 +1,5 @@
 /* PR target/7370.  */
+/* { dg-require-stack-size "4000 + 8" } */
 
 int g (int *x, int *y);
 
diff --git a/gcc/testsuite/gcc.c-torture/compile/20050303-1.c b/gcc/testsuite/gcc.c-torture/compile/20050303-1.c
index 22154b30af5..0261acd2c30 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20050303-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20050303-1.c
@@ -1,5 +1,6 @@
 /* { dg-require-effective-target int32plus } */
 /* { dg-require-effective-target size32plus } */
+/* { dg-require-stack-size "128*1024" } */
 
 void crc()
 {
diff --git a/gcc/testsuite/gcc.c-torture/compile/20060421-1.c b/gcc/testsuite/gcc.c-torture/compile/20060421-1.c
index 1bd4079b4c8..05396d3dcc1 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20060421-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20060421-1.c
@@ -1,4 +1,6 @@
 /* This test used to ICE on ARM with -mcpu=iwmmxt.  */
+/* { dg-require-stack-size "249*8+1" } */
+
 void
 foo (void)
 {
diff --git a/gcc/testsuite/gcc.c-torture/compile/20071207-1.c b/gcc/testsuite/gcc.c-torture/compile/20071207-1.c
index 27b871616b1..fecf5317734 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20071207-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20071207-1.c
@@ -1,4 +1,5 @@
 /* PR tree-optimization/34371 */
+/* { dg-require-stack-size "1108" } */
 /* Testcase by Martin Michlmayr <tbm@cyrius.com> */
 
 void centerln (int width, int ch, char *s)
diff --git a/gcc/testsuite/gcc.c-torture/compile/20080903-1.c b/gcc/testsuite/gcc.c-torture/compile/20080903-1.c
index 180b926bf3d..d446ebf7c93 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20080903-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20080903-1.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "4096" } */
+
 struct bar { unsigned short length; };
 
 int
diff --git a/gcc/testsuite/gcc.c-torture/compile/20121027-1.c b/gcc/testsuite/gcc.c-torture/compile/20121027-1.c
index 3d3ff31f69b..7c92f3fa436 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20121027-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20121027-1.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "1024+16" } */
+
 extern int nc;
 void f(void)
 {
diff --git a/gcc/testsuite/gcc.c-torture/compile/20151204.c b/gcc/testsuite/gcc.c-torture/compile/20151204.c
index e41f6c1dca9..a6bac5d7e1f 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20151204.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20151204.c
@@ -1,4 +1,5 @@
 /* { dg-require-effective-target size20plus } */
+/* { dg-require-stack-size "32753*2" } */
 
 typedef __SIZE_TYPE__ size_t;
 
diff --git a/gcc/testsuite/gcc.c-torture/compile/920501-12.c b/gcc/testsuite/gcc.c-torture/compile/920501-12.c
index 68892a689df..089de4dcddb 100644
--- a/gcc/testsuite/gcc.c-torture/compile/920501-12.c
+++ b/gcc/testsuite/gcc.c-torture/compile/920501-12.c
@@ -1,5 +1,6 @@
 /* { dg-do assemble } */
 /* { dg-skip-if "Array too big" { "pdp11-*-*" } { "-mint32" } } */
+/* { dg-require-stack-size "9999*4" } */
 
 x(x){            return 3 + x;}
 a(x){int y[994]; return 3 + x;}
diff --git a/gcc/testsuite/gcc.c-torture/compile/920501-4.c b/gcc/testsuite/gcc.c-torture/compile/920501-4.c
index 10736ae76a4..2ef54b5d35d 100644
--- a/gcc/testsuite/gcc.c-torture/compile/920501-4.c
+++ b/gcc/testsuite/gcc.c-torture/compile/920501-4.c
@@ -1,6 +1,7 @@
 /* { dg-do assemble } */
 /* { dg-skip-if "ptxas times out" { nvptx-*-* } { "-O1" } { "" } } */
 /* { dg-skip-if "Array too big" { "pdp11-*-*" } { "-mint32" } } */
+/* { dg-require-stack-size "8196*4" } */
 
 foo ()
 {
diff --git a/gcc/testsuite/gcc.c-torture/compile/920723-1.c b/gcc/testsuite/gcc.c-torture/compile/920723-1.c
index cd8710be7e8..2d778759e13 100644
--- a/gcc/testsuite/gcc.c-torture/compile/920723-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/920723-1.c
@@ -1,4 +1,5 @@
 /* { dg-add-options stack_size } */
+/* { dg-require-stack-size "75*75*4" } */
 
 #if defined(STACK_SIZE) && STACK_SIZE < 65536
 # define GITT_SIZE 75
diff --git a/gcc/testsuite/gcc.c-torture/compile/921202-1.c b/gcc/testsuite/gcc.c-torture/compile/921202-1.c
index 1287edc57b8..d97ddf6144e 100644
--- a/gcc/testsuite/gcc.c-torture/compile/921202-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/921202-1.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "2055*3*8" } */
+
 f ()
 {
   long dx[2055];
diff --git a/gcc/testsuite/gcc.c-torture/compile/931003-1.c b/gcc/testsuite/gcc.c-torture/compile/931003-1.c
index 922b14379c9..637b9aa6d26 100644
--- a/gcc/testsuite/gcc.c-torture/compile/931003-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/931003-1.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "52*8" } */
+
 f (n, a)
      int n;
      double a[];
diff --git a/gcc/testsuite/gcc.c-torture/compile/931004-1.c b/gcc/testsuite/gcc.c-torture/compile/931004-1.c
index 0e741fd4ac0..d5796cee97d 100644
--- a/gcc/testsuite/gcc.c-torture/compile/931004-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/931004-1.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "4*4*2*80" } */
+
 #define A "This is a long test that tests the structure initialization"
 #define B A,A
 #define C B,B,B,B
diff --git a/gcc/testsuite/gcc.c-torture/compile/950719-1.c b/gcc/testsuite/gcc.c-torture/compile/950719-1.c
index d3277fada4e..e1ac117daeb 100644
--- a/gcc/testsuite/gcc.c-torture/compile/950719-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/950719-1.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "4092+4" } */
+
 typedef struct
 {
   int Header;
diff --git a/gcc/testsuite/gcc.c-torture/compile/951222-1.c b/gcc/testsuite/gcc.c-torture/compile/951222-1.c
index b8246f5fe81..f1818e322cf 100644
--- a/gcc/testsuite/gcc.c-torture/compile/951222-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/951222-1.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "10000+3*8" } */
+
 extern long long foo ();
 
 long long
diff --git a/gcc/testsuite/gcc.c-torture/compile/990517-1.c b/gcc/testsuite/gcc.c-torture/compile/990517-1.c
index c738d4be760..afdd844e305 100644
--- a/gcc/testsuite/gcc.c-torture/compile/990517-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/990517-1.c
@@ -1,4 +1,7 @@
 /* Extracted from the sdm module in perl.  */
+
+/* { dg-require-stack-size "12*2+8+1024+8" } */
+
 typedef struct {
 	char *dptr;
 	int dsize;
diff --git a/gcc/testsuite/gcc.c-torture/compile/bcopy.c b/gcc/testsuite/gcc.c-torture/compile/bcopy.c
index 8108f296600..fce95c842f3 100644
--- a/gcc/testsuite/gcc.c-torture/compile/bcopy.c
+++ b/gcc/testsuite/gcc.c-torture/compile/bcopy.c
@@ -1,4 +1,5 @@
 /* { dg-add-options stack_size } */
+/* { dg-require-stack-size "[dg-effective-target-value stack_size]*2" } */
 
 void
 bcopy1 (s, d, c)
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr23929.c b/gcc/testsuite/gcc.c-torture/compile/pr23929.c
index 210bb585e06..2ec658421d9 100644
--- a/gcc/testsuite/gcc.c-torture/compile/pr23929.c
+++ b/gcc/testsuite/gcc.c-torture/compile/pr23929.c
@@ -1,4 +1,5 @@
 /* PR tree-optimization/23929 */
+/* { dg-require-stack-size "2048+8" } */
 
 extern void bar (char *);
 
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr25310.c b/gcc/testsuite/gcc.c-torture/compile/pr25310.c
index 54695e05b4f..7bdd0c574bd 100644
--- a/gcc/testsuite/gcc.c-torture/compile/pr25310.c
+++ b/gcc/testsuite/gcc.c-torture/compile/pr25310.c
@@ -1,4 +1,5 @@
 /* { dg-skip-if "Array too big" { "pdp11-*-*" } { "-mint32" } } */
+/* { dg-require-stack-size "65536+20" } */
 
 /* Prevent spurious test failures on 16-bit targets.  */
 #if __INT_MAX__ >= 2147483647L
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr34458.c b/gcc/testsuite/gcc.c-torture/compile/pr34458.c
index 096cc0c9b89..77154937a63 100644
--- a/gcc/testsuite/gcc.c-torture/compile/pr34458.c
+++ b/gcc/testsuite/gcc.c-torture/compile/pr34458.c
@@ -1,4 +1,5 @@
 /* Testcase by Martin Michlmayr <tbm@cyrius.com> */
+/* { dg-require-stack-size "1025*4" } */
 
 typedef struct
 {
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr39937.c b/gcc/testsuite/gcc.c-torture/compile/pr39937.c
index d0231053258..df280535f1f 100644
--- a/gcc/testsuite/gcc.c-torture/compile/pr39937.c
+++ b/gcc/testsuite/gcc.c-torture/compile/pr39937.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "4096" } */
+
 int foo (__const char *__restrict __s);
 static void 
 read_anisou(char line[])
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr41181.c b/gcc/testsuite/gcc.c-torture/compile/pr41181.c
index f866249b605..4e12d374681 100644
--- a/gcc/testsuite/gcc.c-torture/compile/pr41181.c
+++ b/gcc/testsuite/gcc.c-torture/compile/pr41181.c
@@ -1,5 +1,7 @@
 /* { dg-require-effective-target ptr32plus } */
 /* { dg-skip-if "The array is too big" { "avr-*-*" "pdp11-*-*" } } */ 
+/* { dg-require-stack-size "250*250" } */
+
 char paths[1024];
 static void x264_slicetype_path(char (*best_paths)[250], int n, int length)
 {
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr41634.c b/gcc/testsuite/gcc.c-torture/compile/pr41634.c
index 976e463e2ba..afad6d211bb 100644
--- a/gcc/testsuite/gcc.c-torture/compile/pr41634.c
+++ b/gcc/testsuite/gcc.c-torture/compile/pr41634.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "2*512 + 256" } */
+
 extern int _xgetw();
 extern int foo(char*);
 
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr43415.c b/gcc/testsuite/gcc.c-torture/compile/pr43415.c
index c00e1c41ce9..66afe99a06b 100644
--- a/gcc/testsuite/gcc.c-torture/compile/pr43415.c
+++ b/gcc/testsuite/gcc.c-torture/compile/pr43415.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "256*8+4" } */
+
 int main()                                                                      
 {                                                                               
   unsigned long long table[256];                                          
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr43417.c b/gcc/testsuite/gcc.c-torture/compile/pr43417.c
index 45bf053a0cb..5ae98be35b3 100644
--- a/gcc/testsuite/gcc.c-torture/compile/pr43417.c
+++ b/gcc/testsuite/gcc.c-torture/compile/pr43417.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "1004*4+2*8" } */
+
 int pid_count = 0;
 
 unsigned int getopt (int, const char**, const char*);
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr44788.c b/gcc/testsuite/gcc.c-torture/compile/pr44788.c
index 99dc7982394..b570f65ff92 100644
--- a/gcc/testsuite/gcc.c-torture/compile/pr44788.c
+++ b/gcc/testsuite/gcc.c-torture/compile/pr44788.c
@@ -1,3 +1,5 @@
+/* { dg-require-stack-size "1060*4+4" } */
+
 void joint_decode(float* mlt_buffer1, int t) {
     int i;
     float decode_buffer[1060];
diff --git a/gcc/testsuite/gcc.c-torture/compile/sound.c b/gcc/testsuite/gcc.c-torture/compile/sound.c
index be727e3febb..66e24a00f68 100644
--- a/gcc/testsuite/gcc.c-torture/compile/sound.c
+++ b/gcc/testsuite/gcc.c-torture/compile/sound.c
@@ -1,3 +1,4 @@
+/* { dg-require-stack-size "8192+4" } */
 
 main ()
 {
-- 
2.11.0
References:
- [PATCH V5 00/11] eBPF support for GCC
  - From: Jose E. Marchesi
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