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authoraesok <aesok@138bc75d-0d04-0410-961f-82ee72b054a4>2010-05-02 10:49:10 +0000
committeraesok <aesok@138bc75d-0d04-0410-961f-82ee72b054a4>2010-05-02 10:49:10 +0000
commite1ce1485c85cf2ea659a92ccddf9305fc2ff3c00 (patch)
tree135035b83149e0071966cf5b87b3d84d1448ce95 /gcc/target.h
parent6cd9a8733290b42109486fd799a07cc810f4d6a1 (diff)
* target.h (struct calls): Add function_value_regno_p field.
* target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define. (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P. * targhooks.c (default_function_value_regno_p): New function. * targhooks.h (default_function_value_regno_p): Declare function. * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook. * builtins.c. (apply_result_size): (Ditto.). * combine.c. (likely_spilled_retval_p): (Ditto.). * mode-switching.c. Include 'target.h'. (create_pre_exit): Use function_value_regno_p hook. * Makefile.in (mode-switching.o): Add dependency on TARGET_H. * doc/tm.texi (FUNCTION_VALUE_REGNO_P, TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation. * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro. * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro. (ix86_function_value_regno_p): Declare as static, change argument type to const unsigned int. * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158970 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/target.h')
-rw-r--r--gcc/target.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/target.h b/gcc/target.h
index 7729525512d..62a1bcc3d7e 100644
--- a/gcc/target.h
+++ b/gcc/target.h
@@ -968,6 +968,10 @@ struct gcc_target
calling the function FN_NAME. */
rtx (*libcall_value) (enum machine_mode, const_rtx);
+ /* Return true if REGNO is a possible register number for
+ a function value as seen by the caller. */
+ bool (*function_value_regno_p) (const unsigned int);
+
/* Return an rtx for the argument pointer incoming to the
current function. */
rtx (*internal_arg_pointer) (void);