target.def (TARGET_LIBC_HAS_FUNCTION): New target hook.

	* target.def (TARGET_LIBC_HAS_FUNCTION): New target hook.
	* builtins.c (default_libc_has_function): New.
	(gnu_libc_has_function): Ditto.
	(no_c99_libc_has_function): Ditto.
	(expand_builtin_cexpi): Using new target hook TARGET_LIBC_HAS_FUNCTION
	instead of TARGET_HAS_SINCOS and TARGET_C99_FUNCTIONS.
	(fold_builtin_sincos): Likewise.
	(fold_builtin_cexp): Likewise.
	* builtins.def (DEF_C94_BUILTIN): Likewise.
	(DEF_C99_BUILTIN): Likewise.
	(DEF_C99_C90RES_BUILTIN): Likewise.
	(DEF_C99_COMPL_BUILTIN): New define. Change all complex c99 builtin
	definitions to using this define.
	* config/darwin-protos.h (darwin_libc_has_function): New.
	* config/darwin.c: (darwin_libc_has_function: Ditto.
	* config/alpha/linux.h: Remove TARGET_C99_FUNCTIONS and
	TARGET_HAS_SINCOS. Redefine TARGET_LIBC_HAS_FUNCTION.
	* config/darwin.h: Ditto.
	* config/elfos.h: Ditto.
	* config/freebsd.h: Ditto.
	* config/i386/cygming.h: Ditto.
	* config/i386/djgpp.h: Ditto.
	* config/i386/i386-interix.h: Ditto.
	* config/microblaze/microblaze.h: Ditto.
	* config/mmix/mmix.h: Ditto.
	* config/gnu-user.h: Ditto.
	* config/ia64/hpux.h: Ditto.
	* config/pa/pa-hpux.h: Ditto.
	* config/pdp11/pdp11.h: Ditto.
	* config/picochip/picochip.h: Ditto.
	* config/linux.h: Ditto.
	* config/netbsd.h: Ditto.
	* config/openbsd.h: Ditto.
	* config/rs6000/aix43.h: Ditto.
	* config/rs6000/aix51.h: Ditto.
	* config/rs6000/aix52.h: Ditto.
	* config/rs6000/aix53.h: Ditto.
	* config/rs6000/aix61.h: Ditto.
	* config/rs6000/darwin.h: Ditto.
	* config/rs6000/linux.h: Ditto.
	* config/rs6000/linux64.h: Ditto.
	* config/s390/tpf.h: Ditto.
	* config/sol2-10.h: Ditto.
	* config/sol2.h: Ditto.
	* config/vms/vms.h: Ditto.
	* config/vxworks.h: Ditto.
	* config/linux-android.c (linux_android_libc_has_function):
	New linux-specific implementation of TARGET_LIBC_HAS_FUNCTION.
	* config/linux-protos.h (linux_android_libc_has_function):
	New declaration.
	* config/i386/i386.c (ix86_libc_has_function): New.
	* config/i386/i386-protos.h
	(ix86_libc_has_function): New declaration.
	* config/i386/i386.md
	("isinfxf2"): Change condition for TARGET_LIBC_HAS_FUNCTION.
	("isinf<mode>2): Likewise.
	* convert.c (convert_to_integer): Using new target hook
	TARGET_LIBC_HAS_FUNCTION istead of TARGET_HAS_SINCOS and
	TARGET_C99_FUNCTIONS.
	* fortran/f95-lang.c (gfc_init_builtin_functions): Ditto.
	* tree-ssa-math-opts.c (execute_cse_sincos): Ditto.
	* coretypes.h (function_class): New enum for different
	classes of functions.
	* defaults.h: Remove TARGET_C99_FUNCTIONS and TARGET_HAS_SINCOS.
	* doc/tm.texi.in (TARGET_C99_FUNCTIONS): Remove documentation.
	(TARGET_HAS_SINCOS): Likewise.
	(TARGET_LIBC_HAS_FUNCTION): New.
	* doc/tm.texi: Regenerated.
	* targhooks.h (default_libc_has_function): New declaration.
	(no_c99_libc_has_function): Ditto.
	(gnu_libc_has_function): Ditto.
	* system.h: Add the poisoning of TARGET_C99_FUNCTIONS
	and TARGET_HAS_SINCOS.

From-SVN: r201838

8 files changed, 16 insertions, 30 deletions

diff --git a/gcc/config/rs6000/aix43.h b/gcc/config/rs6000/aix43.h
index 70db7f7..b27c046 100644
--- a/gcc/config/rs6000/aix43.h
+++ b/gcc/config/rs6000/aix43.h
@@ -159,3 +159,6 @@ do {									\
 #define TARGET_USES_AIX64_OPT 1
 
 #define TARGET_AIX_VERSION 43
+
+#undef TARGET_LIBC_HAS_FUNCTION
+#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
diff --git a/gcc/config/rs6000/aix51.h b/gcc/config/rs6000/aix51.h
index 669dbbe03..3837bfdc0 100644
--- a/gcc/config/rs6000/aix51.h
+++ b/gcc/config/rs6000/aix51.h
@@ -163,3 +163,6 @@ do {									\
 #define TARGET_USE_JCR_SECTION 0
 
 #define TARGET_AIX_VERSION 51
+
+#undef TARGET_LIBC_HAS_FUNCTION
+#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
diff --git a/gcc/config/rs6000/aix52.h b/gcc/config/rs6000/aix52.h
index c57271a..5195471 100644
--- a/gcc/config/rs6000/aix52.h
+++ b/gcc/config/rs6000/aix52.h
@@ -166,10 +166,6 @@ do {									\
 #undef LD_INIT_SWITCH
 #define LD_INIT_SWITCH "-binitfini"
 
-/* AIX 5.2 has the float and long double forms of math functions.  */
-#undef TARGET_C99_FUNCTIONS
-#define TARGET_C99_FUNCTIONS  1
-
 #ifndef _AIX52
 extern long long int    atoll(const char *);  
 #endif
diff --git a/gcc/config/rs6000/aix53.h b/gcc/config/rs6000/aix53.h
index b1b0759..b3bd73a 100644
--- a/gcc/config/rs6000/aix53.h
+++ b/gcc/config/rs6000/aix53.h
@@ -166,10 +166,6 @@ do {									\
 #undef LD_INIT_SWITCH
 #define LD_INIT_SWITCH "-binitfini"
 
-/* AIX 5.2 has the float and long double forms of math functions.  */
-#undef TARGET_C99_FUNCTIONS
-#define TARGET_C99_FUNCTIONS  1
-
 #ifndef _AIX52
 extern long long int    atoll(const char *);  
 #endif
diff --git a/gcc/config/rs6000/aix61.h b/gcc/config/rs6000/aix61.h
index cd341b9..b077814 100644
--- a/gcc/config/rs6000/aix61.h
+++ b/gcc/config/rs6000/aix61.h
@@ -190,10 +190,6 @@ do {									\
 #undef LD_INIT_SWITCH
 #define LD_INIT_SWITCH "-binitfini"
 
-/* AIX 5.2 has the float and long double forms of math functions.  */
-#undef TARGET_C99_FUNCTIONS
-#define TARGET_C99_FUNCTIONS  1
-
 #ifndef _AIX52
 extern long long int    atoll(const char *);  
 #endif
diff --git a/gcc/config/rs6000/darwin.h b/gcc/config/rs6000/darwin.h
index 0cf2f4c..d5919c4 100644
--- a/gcc/config/rs6000/darwin.h
+++ b/gcc/config/rs6000/darwin.h
@@ -386,10 +386,8 @@ extern int darwin_emit_branch_islands;
 #define OFFS_ASSIGNIVAR_FAST		0xFFFEFEC0
 
 /* Old versions of Mac OS/Darwin don't have C99 functions available.  */
-#undef TARGET_C99_FUNCTIONS
-#define TARGET_C99_FUNCTIONS					\
-  (TARGET_64BIT							\
-   || strverscmp (darwin_macosx_version_min, "10.3") >= 0)
+#undef TARGET_LIBC_HAS_FUNCTION
+#define TARGET_LIBC_HAS_FUNCTION darwin_libc_has_function
 
 /* When generating kernel code or kexts, we don't use Altivec by
    default, as kernel code doesn't save/restore those registers.  */
diff --git a/gcc/config/rs6000/linux.h b/gcc/config/rs6000/linux.h
index f7f2d80..c941942 100644
--- a/gcc/config/rs6000/linux.h
+++ b/gcc/config/rs6000/linux.h
@@ -32,13 +32,10 @@
 #define OPTION_GLIBC  (linux_libc == LIBC_GLIBC)
 #endif
 
-/* glibc has float and long double forms of math functions.  */
-#undef  TARGET_C99_FUNCTIONS
-#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
-
-/* Whether we have sincos that follows the GNU extension.  */
-#undef  TARGET_HAS_SINCOS
-#define TARGET_HAS_SINCOS (OPTION_GLIBC)
+/* Determine what functions are present at the runtime;
+   this includes full c99 runtime and sincos.  */
+#undef TARGET_LIBC_HAS_FUNCTION
+#define TARGET_LIBC_HAS_FUNCTION linux_android_libc_has_function
 
 #undef  TARGET_OS_CPP_BUILTINS
 #define TARGET_OS_CPP_BUILTINS()		\
diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h
index 79f0f0b..63e656d 100644
--- a/gcc/config/rs6000/linux64.h
+++ b/gcc/config/rs6000/linux64.h
@@ -292,13 +292,10 @@ extern int dot_symbols;
 #define OPTION_GLIBC  (linux_libc == LIBC_GLIBC)
 #endif
 
-/* glibc has float and long double forms of math functions.  */
-#undef  TARGET_C99_FUNCTIONS
-#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
-
-/* Whether we have sincos that follows the GNU extension.  */
-#undef  TARGET_HAS_SINCOS
-#define TARGET_HAS_SINCOS (OPTION_GLIBC)
+/* Determine what functions are present at the runtime;
+   this includes full c99 runtime and sincos.  */
+#undef TARGET_LIBC_HAS_FUNCTION
+#define TARGET_LIBC_HAS_FUNCTION linux_android_libc_has_function
 
 #undef  TARGET_OS_CPP_BUILTINS
 #define TARGET_OS_CPP_BUILTINS()			\