TESTSUITE: Fix tests for 16-bit targets

gcc/ChangeLog:

2020-05-19  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	* doc/sourcebuild.texi: Document new short_eq_int, ptr_eq_short,
	msp430_small, msp430_large and size24plus DejaGNU effective
	targets.
	Improve grammar in descriptions for size20plus and size32plus effective
	targets.

gcc/testsuite/ChangeLog:

2020-05-19  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	* c-c++-common/builtin-has-attribute-7.c: Require size24plus.
	* c-c++-common/cpp/pr63831-1.c: Store result in _has_cpp_attribute in a
	long.
	* c-c++-common/pr81376.c: Skip scan-tree-dump for short_eq_int. Extend
	test for short_eq_int.
	* g++.dg/abi/scoped1.C: Skip dg-warning tests for short_eq_int.
	* g++.dg/cpp0x/constexpr-70001-1.C: Require size24plus.
	* g++.dg/cpp0x/constexpr-bitfield3.C: Require int32plus.
	* g++.dg/cpp0x/enum13.C: Skip dg-warning for short_eq_int.
	* g++.dg/cpp0x/initlist5.C: Add dg-error for short_eq_int.
	* g++.dg/cpp0x/initlist7.C: Add dg-warning for !int32plus.
	* g++.dg/cpp0x/nullptr04.C: Skip dg-error for ptr_eq_short.
	* g++.dg/cpp0x/variadic-value1.C: Add typedef for int32_t.
	* g++.dg/cpp1y/constexpr-arith-overflow.C: Fix test for
	sizeof(int) == sizeof(short).
	* g++.dg/cpp1y/digit-sep-neg.C: Add typedef for int32_t.
	* g++.dg/cpp1y/pr57644.C: Add typedef for uint32_t.
	* g++.dg/cpp1y/pr77321.C: Require size24plus.
	* g++.dg/cpp1y/var-templ4.C: Add typedef for int32_t.
	* g++.dg/cpp1z/direct-enum-init1.C: Skip dg-error for short_eq_int.
	* g++.dg/delayedfold/fwrapv1.C: Skip for int16.
	* g++.dg/expr/bitfield9.C: Add typedef for int32_t.
	* g++.dg/ext/attribute-test-1.C: Add typedef for uint32_t.
	* g++.dg/ext/bitfield1.C: Add typedef for int32_t.
	* g++.dg/ext/flexary13.C: Add typedef for int32_t.
	* g++.dg/ext/utf-cvt.C: Adjust dg-warning for int16.
	* g++.dg/ext/vector28.C: Add typedef for int32_t.
	* g++.dg/ext/vla15.C: Add typedef for int32_t.
	* g++.dg/init/array11.C: Require size32plus.
	* g++.dg/init/array15.C: Require size24plus.
	* g++.dg/init/array4.C: Require size20plus.
	* g++.dg/init/const7.C: Skip dg-message for ptr_eq_short.
	* g++.dg/init/new38.C: Relax regex in dg-error.
	* g++.dg/init/new44.C: Skip dg-error for msp430_small.
	Adjust test for 16-bit size_t.
	Add special case for msp430 -mlarge.
	* g++.dg/init/value9.C: Add typedef for int32_t.
	* g++.dg/ipa/pr77333.C: Add typedef for int32_t.
	* g++.dg/lto/20080908-1_0.C: Add typedef for int32_t.
	* g++.dg/opt/pr55717.C: Add typedef for uint32_t.
	* g++.dg/opt/pr60597.C: Add typedef for int32_t.
	* g++.dg/opt/pr81715.C: Require size20plus.
	* g++.dg/opt/reload3.C: Add typedef for uint32_t.
	* g++.dg/opt/temp2.C: Require size20plus.
	* g++.dg/opt/thunk1.C: Likewise.
	* g++.dg/other/error23.C: Dont assume __SIZEOF_INT__ == 4.
	* g++.dg/other/pr31078.C: Adjust typedef for 32-bit int.
	* g++.dg/parse/concat1.C: Skip dg-error for size20plus.
	* g++.dg/parse/defarg5.C: Add typedef for int32_t and uint32_t.
	* g++.dg/pr48484.C: Add typedef for int32_t.
	* g++.dg/pr53037-2.C: Likewise.
	* g++.dg/pr53037-3.C: Likewise.
	* g++.dg/pr66655.C: Use int32_t.
	* g++.dg/pr66655.h: Add typedef for int32_t.
	* g++.dg/pr66655_1.cc: Use int32_t.
	* g++.dg/pr67351.C: Define 32-bit uint.
	* g++.dg/template/array30.C: Add typedef for int32_t.
	* g++.dg/template/constant1.C: Extend test for 8-bit and 16-bit int.
	* g++.dg/template/constant2.C: Likewise.
	* g++.dg/template/friend18.C: Add typedef for int32_t.
	* g++.dg/template/pr68978.C: Likewise.
	* g++.dg/torture/pr37421.C: Require int_eq_float.
	* g++.dg/torture/pr88861.C: Handle 16-bit int.
	* g++.dg/tree-ssa/pr19807.C: Likewise.
	* g++.dg/tree-ssa/pr27291.C: Fix typedef for uint32_t.
	* g++.dg/tree-ssa/pr49516.C: Fix typedefs for int{16,32}_t and
	uint{32,64}_t.
	* g++.dg/warn/Wconversion-integer.C: Add typedefs for {u,}int32_t.
	* g++.dg/warn/Wconversion-null-2.C: Adjust g() declaration.
	* g++.dg/warn/Wconversion-null.C: Likewise.
	* g++.dg/warn/Wconversion3.C: Skip dg-warning for short_eq_int.
	* g++.dg/warn/Wduplicated-branches1.C: Add dg-warning for short_eq_int.
	* g++.dg/warn/Wplacement-new-size-5.C: Add typedef for int32_t.
	* g++.dg/warn/Wplacement-new-size.C: Likewise.
	* g++.dg/warn/Wstrict-aliasing-5.C: Add typedef for uint32_t.
	* g++.dg/warn/Wstrict-aliasing-bogus-signed-unsigned.C: Add typedef for
	{u,}int32_t.
	* g++.dg/warn/Wtype-limits-Wextra.C: Adjust dg-warning for
	short_eq_int.
	* g++.dg/warn/Wtype-limits.C: Likewise.
	* g++.old-deja/g++.brendan/enum11.C: Add typedef for uint32_t.
	* g++.old-deja/g++.bugs/900227_01.C: Skip dg-error for ptr_eq_short.
	* g++.old-deja/g++.mike/ns15.C: Require size20plus.
	* g++.old-deja/g++.other/exprstmt1.C: Add typedef for uint32_t.
	* g++.old-deja/g++.other/inline12.C: Adjust udword typedef.
	* g++.old-deja/g++.other/new6.C: Add typedef for int32_t.
	* g++.old-deja/g++.pt/crash16.C: Skip for int16.
	* g++.old-deja/g++.robertl/eb76.C: Likewise.
	* g++.old-deja/g++.warn/flow1.C: Add typedef for int32_t.
	* gcc.dg/Walloca-14.c: Adjust -Walloca-larger-than= parameter for
	!ptr32plus.
	* gcc.dg/Warray-bounds-32.c: Adjust dg-warning for size20plus.
	* gcc.dg/Wbuiltin-declaration-mismatch-4.c: Adjust dg-warning for
	short_eq_int.
	Handle case where ptrdiff_t/size_t is __int20.
	* gcc.dg/concat2.c: Skip dg-error for size20plus.
	* gcc.dg/fold-convmaxconv-1.c: Add typedef for {u,}int32_t.
	* gcc.dg/fold-convminconv-1.c: Likewise.
	* gcc.dg/graphite/scop-4.c: Require size20plus.
	* gcc.dg/loop-versioning-1.c: Adjust test for small size_t.
	* gcc.dg/loop-versioning-2.c: Require size20plus.
	* gcc.dg/lto/20081210-1_0.c: Adjust typedef for uintptr_t.
	* gcc.dg/lto/pr85870_0.c: Add typedef for uint32_t.
	* gcc.dg/lto/pr85870_1.c: Likewise.
	* gcc.dg/pr36227.c: Adjust typedef for ptrcast.
	* gcc.dg/pr42611.c: First check for size_t equality with void *
	before trying other types.
	* gcc.dg/pr59963-2.c: Skip dg-warning for int16 instead of
	xfail.
	* gcc.dg/pr68317.c: Add typedef for int32_t.
	* gcc.dg/pr78973.c: Adjust dg-warning for int16.
	* gcc.dg/pr85859.c: Cast using __INTPTR_TYPE__ instead of long.
	* gcc.dg/pr86179.c: Add typedef for {u,}int32_t.
	* gcc.dg/torture/20181024-1.c: Require size32plus.
	* gcc.dg/torture/pr71598-2.c: Skip for short_eq_int.
	* gcc.dg/torture/pr86034.c: Add typedef for int32_t.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-3.c: Adjust dg-warning
	for int16 and msp430 -mlarge.
	* gcc.dg/tree-ssa/integer-addr.c: Use __INTPTR_MAX__ for a large
	constant that is a valid address.
	* gcc.dg/tree-ssa/loop-interchange-10.c: Add typedef for
	int32_t.
	* gcc.dg/tree-ssa/pr84436-3.c: Adjust dg-final for int16.
	* gcc.dg/tree-ssa/pr84648.c: Add typedef for uint32_t.
	* gcc.dg/tree-ssa/scev-8.c: Cast to char if sizeof(int) ==
	sizeof(short).
	* gcc.dg/tree-ssa/ssa-dom-thread-8.c: Adjust test for msp430 -mlarge.
	* lib/target-supports.exp (check_effective_target_size24plus): New.
	(check_effective_target_short_eq_int): New.
	(check_effective_target_ptr_eq_short): New.
	(check_effective_target_msp430_small): New.
	(check_effective_target_msp430_large): New.

1 files changed, 22 insertions, 2 deletions

diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index 0f70e4b..e5554c4 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -1363,6 +1363,12 @@ Target has 64-bit @code{long long}.
 @item long_neq_int
 Target has @code{int} and @code{long} with different sizes.
 
+@item short_eq_int
+Target has @code{short} and @code{int} with the same size.
+
+@item ptr_eq_short
+Target has pointers (@code{void *}) and @code{short} with the same size.
+
 @item int_eq_float
 Target has @code{int} and @code{float} with the same size.
 
@@ -1379,11 +1385,15 @@ Target supports @code{long double} that is longer than @code{double}.
 Target has pointers that are 32 bits or longer.
 
 @item size20plus
-Target has a 20-bit or larger address space, so at least supports
+Target has a 20-bit or larger address space, so supports at least
 16-bit array and structure sizes.
 
+@item size24plus
+Target has a 24-bit or larger address space, so supports at least
+20-bit array and structure sizes.
+
 @item size32plus
-Target has a 32-bit or larger address space, so at least supports
+Target has a 32-bit or larger address space, so supports at least
 24-bit array and structure sizes.
 
 @item 4byte_wchar_t
@@ -2050,6 +2060,16 @@ when using the new ABI.
 MIPS target supports @code{-mpaired-single}.
 @end table
 
+@subsubsection MSP430-specific attributes
+
+@table @code
+@item msp430_small
+MSP430 target has the small memory model enabled (@code{-msmall}).
+
+@item msp430_large
+MSP430 target has the large memory model enabled (@code{-mlarge}).
+@end table
+
 @subsubsection PowerPC-specific attributes
 
 @table @code