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c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1...

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2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
            Paolo Carlini  <pcarlini@suse.de>
	    Uros Bizjak  <ubizjak@gmail.com>

	* c-cppbuiltin.c (c_cpp_builtins): Define
	__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
	__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
	__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
	* doc/cpp.texi ([Standard Predefined Macros]): Document.

2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
            Paolo Carlini  <pcarlini@suse.de>
	    Uros Bizjak  <ubizjak@gmail.com>

	* gcc.dg/gcc-have-sync-compare-and-swap.c,
	gcc.target/i386/gcc-have-sync-compare-and-swap-1.c,
	gcc.target/i386/gcc-have-sync-compare-and-swap-2.c,
	gcc.target/i386/gcc-have-sync-compare-and-swap-3.c,
	gcc.target/i386/gcc-have-sync-compare-and-swap-4.c,
	New testcases.

Co-Authored-By: Paolo Carlini <pcarlini@suse.de>
Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>

From-SVN: r124926
This commit is contained in:
Paolo Bonzini 2007-05-21 22:48:38 +00:00 committed by Paolo Carlini
parent 1b35264fab
commit 60c4429c7e
9 changed files with 201 additions and 0 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2007-05-21 Paolo Bonzini <bonzini@gnu.org>
Paolo Carlini <pcarlini@suse.de>
Uros Bizjak <ubizjak@gmail.com>
* c-cppbuiltin.c (c_cpp_builtins): Define
__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
* doc/cpp.texi ([Standard Predefined Macros]): Document.
2007-05-21 Mike Stump <mrs@apple.com>
* config/darwin.h (LINK_COMMAND_SPEC): Add .cxx for dsymutil

27
gcc/c-cppbuiltin.c
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@ -547,6 +547,33 @@ c_cpp_builtins (cpp_reader *pfile)
if (c_dialect_cxx () && TYPE_UNSIGNED (wchar_type_node))
cpp_define (pfile, "__WCHAR_UNSIGNED__");
/* Tell source code if the compiler makes sync_compare_and_swap
builtins available. */
#ifdef HAVE_sync_compare_and_swapqi
if (HAVE_sync_compare_and_swapqi)
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
#endif
#ifdef HAVE_sync_compare_and_swaphi
if (HAVE_sync_compare_and_swaphi)
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
#endif
#ifdef HAVE_sync_compare_and_swapsi
if (HAVE_sync_compare_and_swapsi)
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
#endif
#ifdef HAVE_sync_compare_and_swapdi
if (HAVE_sync_compare_and_swapdi)
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8");
#endif
#ifdef HAVE_sync_compare_and_swapti
if (HAVE_sync_compare_and_swapti)
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16");
#endif
/* Make the choice of ObjC runtime visible to source code. */
if (c_dialect_objc () && flag_next_runtime)
cpp_define (pfile, "__NEXT_RUNTIME__");

8
gcc/doc/cpp.texi
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@ -2179,6 +2179,14 @@ If GCC cannot determine the current date, it will emit a warning message
(once per compilation) and @code{__TIMESTAMP__} will expand to
@code{@w{"??? ??? ?? ??:??:?? ????"}}.
@item __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1
@itemx __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2
@itemx __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
@itemx __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
@itemx __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
These macros are defined when the target processor supports atomic compare
and swap operations on operands 1, 2, 4, 8 or 16 bytes in length, respectively.
@end table
@node System-specific Predefined Macros

11
gcc/testsuite/ChangeLog
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@ -1,3 +1,14 @@
2007-05-21 Paolo Bonzini <bonzini@gnu.org>
Paolo Carlini <pcarlini@suse.de>
Uros Bizjak <ubizjak@gmail.com>
* gcc.dg/gcc-have-sync-compare-and-swap.c,
gcc.target/i386/gcc-have-sync-compare-and-swap-1.c,
gcc.target/i386/gcc-have-sync-compare-and-swap-2.c,
gcc.target/i386/gcc-have-sync-compare-and-swap-3.c,
gcc.target/i386/gcc-have-sync-compare-and-swap-4.c,
New testcases.
2005-05-21 Daniel Franke <franke.daniel@gmail.com>
PR fortran/32002

56
gcc/testsuite/gcc.dg/gcc-have-sync-compare-and-swap.c Normal file
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@ -0,0 +1,56 @@
/* { dg-do link } */
void f1()
{
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1
typedef int __attribute__ ((__mode__ (__QI__))) qi_int_type;
qi_int_type qi_int;
__sync_bool_compare_and_swap (&qi_int, (qi_int_type)0, (qi_int_type)1);
#endif
}
void f2()
{
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2
typedef int __attribute__ ((__mode__ (__HI__))) hi_int_type;
hi_int_type hi_int;
__sync_bool_compare_and_swap (&hi_int, (hi_int_type)0, (hi_int_type)1);
#endif
}
void f4()
{
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
typedef int __attribute__ ((__mode__ (__SI__))) si_int_type;
si_int_type si_int;
__sync_bool_compare_and_swap (&si_int, (si_int_type)0, (si_int_type)1);
#endif
}
void f8()
{
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
typedef int __attribute__ ((__mode__ (__DI__))) di_int_type;
di_int_type di_int;
__sync_bool_compare_and_swap (&di_int, (di_int_type)0, (di_int_type)1);
#endif
}
void f16()
{
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
typedef int __attribute__ ((__mode__ (__TI__))) ti_int_type;
ti_int_type ti_int;
__sync_bool_compare_and_swap (&ti_int, (ti_int_type)0, (ti_int_type)1);
#endif
}
int main()
{
f1();
f2();
f4();
f8();
f16();
return 0;
}

22
gcc/testsuite/gcc.target/i386/gcc-have-sync-compare-and-swap-1.c Normal file
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@ -0,0 +1,22 @@
/* { dg-do preprocess { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
/* { dg-options "-march=i386" } */
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1
#error nonono
#endif
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2
#error nonono
#endif
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
#error nonono
#endif
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
#error nonono
#endif
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
#error nonono
#endif

23
gcc/testsuite/gcc.target/i386/gcc-have-sync-compare-and-swap-2.c Normal file
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@ -0,0 +1,23 @@
/* { dg-do preprocess { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
/* { dg-options "-march=i486" } */
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1
#error nonono
#endif
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2
#error nonono
#endif
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
#error nonono
#endif
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
#error nonono
#endif
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
#error nonono
#endif

22
gcc/testsuite/gcc.target/i386/gcc-have-sync-compare-and-swap-3.c Normal file
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@ -0,0 +1,22 @@
/* { dg-do preprocess { target i?86-*-* x86_64-*-* } } */
/* { dg-options "-march=i586" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1
#error nonono
#endif
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2
#error nonono
#endif
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
#error nonono
#endif
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
#error nonono
#endif
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
#error nonono
#endif

22
gcc/testsuite/gcc.target/i386/gcc-have-sync-compare-and-swap-4.c Normal file
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@ -0,0 +1,22 @@
/* { dg-do preprocess { target { { i?86-*-* x86_64-*-* } && lp64 } } } */
/* { dg-options "-mcx16" } */
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1
#error nonono
#endif
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2
#error nonono
#endif
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
#error nonono
#endif
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
#error nonono
#endif
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
#error nonono
#endif