Fix some fallout for small targets.

gcc/testsuite/
	Fix some fallout for small targets.

	PR testsuite/52641
	* gcc.c-torture/execute/20190820-1.c:
	Add dg-require-effective-target int32plus.
	* gcc.c-torture/execute/pr85331.c
	Add dg-require-effective-target double64plus.
	* gcc.dg/pow-sqrt-1.c: Same.
	* gcc.dg/pow-sqrt-2.c: Same.
	* gcc.dg/pow-sqrt-3.c: Same.
	* gcc.c-torture/execute/20190901-1.c: Same.
	* gcc.c-torture/execute/user-printf.c [avr]: Skip.
	* gcc.c-torture/execute/fprintf-2.c [avr]: Skip.
	* gcc.c-torture/execute/printf-2.c [avr]: Skip.
	* gcc.dg/Wlarger-than3.c [avr]: Skip.
	* gcc.c-torture/execute/ieee/20041213-1.c (sqrt)
	[avr,double=float]: Provide custom prototype.
	* gcc.dg/pr36017.c: Same.
	* gcc.c-torture/execute/pr90025.c: Use 32-bit int.
	* gcc.dg/complex-7.c: Add dg-require-effective-target double64.
	* gcc.dg/loop-versioning-1.c:
	Add dg-require-effective-target size32plus.
	* gcc.dg/loop-versioning-2.c: Same.

From-SVN: r277142

gcc/testsuite/ChangeLog

+2019-10-18  Georg-Johann Lay  <avr@gjlay.de>
+
+	Fix some fallout for small targets.
+
+	PR testsuite/52641
+	* gcc.c-torture/execute/20190820-1.c:
+	Add dg-require-effective-target int32plus.
+	* gcc.c-torture/execute/pr85331.c
+	Add dg-require-effective-target double64plus.
+	* gcc.dg/pow-sqrt-1.c: Same.
+	* gcc.dg/pow-sqrt-2.c: Same.
+	* gcc.dg/pow-sqrt-3.c: Same.
+	* gcc.c-torture/execute/20190901-1.c: Same.
+	* gcc.c-torture/execute/user-printf.c [avr]: Skip.
+	* gcc.c-torture/execute/fprintf-2.c [avr]: Skip.
+	* gcc.c-torture/execute/printf-2.c [avr]: Skip.
+	* gcc.dg/Wlarger-than3.c [avr]: Skip.
+	* gcc.c-torture/execute/ieee/20041213-1.c (sqrt)
+	[avr,double=float]: Provide custom prototype.
+	* gcc.dg/pr36017.c: Same.
+	* gcc.c-torture/execute/pr90025.c: Use 32-bit int.
+	* gcc.dg/complex-7.c: Add dg-require-effective-target double64.
+	* gcc.dg/loop-versioning-1.c:
+	Add dg-require-effective-target size32plus.
+	* gcc.dg/loop-versioning-2.c: Same.
+
 2019-10-18  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 	    Richard Sandiford  <richard.sandiford@arm.com>
 

gcc/testsuite/gcc.c-torture/execute/20190820-1.c

 /* PR rtl-optimization/91347 */
 /* Reported by John David Anglin <danglin@gcc.gnu.org> */
+/* { dg-require-effective-target int32plus } */
 
 typedef unsigned short __u16;
 typedef __signed__ int __s32;

gcc/testsuite/gcc.c-torture/execute/20190901-1.c

 /* PR target/91472 */
 /* Reported by John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> */
+/* { dg-require-effective-target double64plus } */
 
+#if __SIZEOF_INT__ >= 4
 typedef unsigned int gmp_uint_least32_t;
+#else
+typedef __UINT_LEAST32_TYPE__ gmp_uint_least32_t;
+#endif
 
 union ieee_double_extract
 {

gcc/testsuite/gcc.c-torture/execute/fprintf-2.c

 /* Verify that calls to fprintf don't get eliminated even if their
    result on success can be computed at compile time (they can fail).
    The calls can still be transformed into those of other functions.
+   { dg-skip-if "requires io" { avr-*-* } }
    { dg-skip-if "requires io" { freestanding } } */
 
 #include <stdio.h>

gcc/testsuite/gcc.c-torture/execute/ieee/20041213-1.c

+#if defined (__AVR__) && (__SIZEOF_DOUBLE__ == __SIZEOF_FLOAT__)
+extern double sqrt (double) __asm ("sqrtf");
+#else
 extern double sqrt (double);
+#endif
 extern void abort (void);
 int once;
 

gcc/testsuite/gcc.c-torture/execute/pr85331.c

 /* PR tree-optimization/85331 */
+/* { dg-require-effective-target double64plus } */
 
 typedef double V __attribute__((vector_size (2 * sizeof (double))));
 typedef long long W __attribute__((vector_size (2 * sizeof (long long))));

gcc/testsuite/gcc.c-torture/execute/pr90025.c

@@ -13,10 +13,10 @@ bar (char *p)
 }
 
 __attribute__((noipa)) void
-foo (unsigned int x)
+foo (__UINT32_TYPE__ x)
 {
   char s[32] = { 'f', 'o', 'o', 'b', 'a', 'r', 0 };
-  ((unsigned int *) s)[2] = __builtin_bswap32 (x);
+  ((__UINT32_TYPE__ *) s)[2] = __builtin_bswap32 (x);
   bar (s);
 }
 

gcc/testsuite/gcc.c-torture/execute/printf-2.c

@@ -2,6 +2,7 @@
    result on success can be computed at compile time (they can fail).
    The calls can still be transformed into those of other functions.
    { dg-require-effective-target unwrapped }
+   { dg-skip-if "requires io" { avr-*-* } }
    { dg-skip-if "requires io" { freestanding } } */
 
 #include <stdio.h>

gcc/testsuite/gcc.c-torture/execute/user-printf.c

@@ -2,6 +2,7 @@
    don't get eliminated even if their result on success can be computed at
    compile time (they can fail).
    { dg-require-effective-target unwrapped }
+   { dg-skip-if "requires io" { avr-*-* } }
    { dg-skip-if "requires io" { freestanding } } */
 
 #include <stdarg.h>

gcc/testsuite/gcc.dg/Wlarger-than3.c

 /* Exercise -Wlarger-than= with a byte-size suffix.
    { dg-do compile }
-   { dg-skip-if "small address space" { "pdp11-*-*" } }
+   { dg-skip-if "small address space" { "pdp11-*-*" } { "avr-*-*" } }
    { dg-options "-Wlarger-than=1MiB" } */
 
 #define MB (1000 * 1000)    /* MegaByte */

gcc/testsuite/gcc.dg/complex-7.c

@@ -2,6 +2,7 @@
 
 /* { dg-do compile } */
 /* { dg-options "-O2 -fdump-tree-cplxlower" } */
+/* { dg-require-effective-target double64 } */
 
 __complex double
 foo (__complex double a, __complex double b)

gcc/testsuite/gcc.dg/loop-versioning-1.c

 /* { dg-options "-O3 -fdump-tree-lversion-details" } */
+/* { dg-require-effective-target size32plus } */
 
 /* The simplest IV case.  */
 

gcc/testsuite/gcc.dg/loop-versioning-2.c

 /* { dg-options "-O3 -fdump-tree-lversion-details" } */
+/* { dg-require-effective-target size32plus } */
 
 /* Versioning for step == 1 in these loops would allow loop interchange,
    but otherwise isn't worthwhile.  At the moment we decide not to version.  */

gcc/testsuite/gcc.dg/pow-sqrt-1.c

 /* { dg-do run } */
 /* { dg-options "-O2 -ffast-math --param max-pow-sqrt-depth=5" } */
+/* { dg-require-effective-target double64plus } */
 
 #define EXPN (-6 * (0.5*0.5*0.5*0.5))
 

gcc/testsuite/gcc.dg/pow-sqrt-2.c

 /* { dg-do run } */
 /* { dg-options "-O2 -ffast-math --param max-pow-sqrt-depth=5" } */
+/* { dg-require-effective-target double64plus } */
 
 #define EXPN (-5.875)
 #include "pow-sqrt.x"

gcc/testsuite/gcc.dg/pow-sqrt-3.c

 /* { dg-do run } */
 /* { dg-options "-O2 -ffast-math --param max-pow-sqrt-depth=3" } */
+/* { dg-require-effective-target double64plus } */
 
 #define EXPN (1.25)
 #include "pow-sqrt.x"

gcc/testsuite/gcc.dg/pr36017.c

@@ -2,7 +2,11 @@
 /* { dg-do run } */
 /* { dg-options "-O2" } */
 
+#if defined (__AVR__) && (__SIZEOF_DOUBLE__ == __SIZEOF_FLOAT__)
+extern double sqrt (double) __asm ("sqrtf");
+#else
 extern double sqrt (double);
+#endif
 extern void abort (void);
 
 __attribute__((noinline)) double