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authorNick Clifton <nickc@cygnus.com>2000-04-25 21:10:26 +0000
committerNick Clifton <nickc@gcc.gnu.org>2000-04-25 21:10:26 +0000
commitb36f4ed35411cadef7f3b17cab4089be7246707a (patch)
tree66352391a75daac1edb0b4115f2fae562f8b2e8e /gcc/integrate.c
parent119d24d17a770d4a535c5da3897469d1c7dba354 (diff)
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Define FUNCTION_ATTRIBUTE_INLINABLE_P, a target macro to allow functions with
target specific attributes to be inlined. From-SVN: r33421
Diffstat (limited to 'gcc/integrate.c')
-rw-r--r--gcc/integrate.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/gcc/integrate.c b/gcc/integrate.c
index cfcee1b..6fa0be1 100644
--- a/gcc/integrate.c
+++ b/gcc/integrate.c
@@ -62,6 +62,12 @@ extern struct obstack *function_maybepermanent_obstack;
? (1 + (3 * list_length (DECL_ARGUMENTS (DECL))) / 2) \
: (8 * (8 + list_length (DECL_ARGUMENTS (DECL)))))
#endif
+
+/* Decide whether a function with a target specific attribute
+ attached can be inlined. By default we disallow this. */
+#ifndef FUNCTION_ATTRIBUTE_INLINABLE_P
+#define FUNCTION_ATTRIBUTE_INLINABLE_P(FNDECL) 0
+#endif
static rtvec initialize_for_inline PARAMS ((tree));
static void note_modified_parmregs PARAMS ((rtx, rtx, void *));
@@ -240,7 +246,14 @@ function_cannot_inline_p (fndecl)
if (result && GET_CODE (result) == PARALLEL)
return N_("inline functions not supported for this return value type");
- return 0;
+ /* If the function has a target specific attribute attached to it,
+ then we assume that we should not inline it. This can be overriden
+ by the target if it defines FUNCTION_ATTRIBUTE_INLINABLE_P. */
+ if (DECL_MACHINE_ATTRIBUTES (fndecl)
+ && ! FUNCTION_ATTRIBUTE_INLINABLE_P (fndecl))
+ return N_("function with target specific attribute(s) cannot be inlined");
+
+ return NULL;
}
/* Map pseudo reg number into the PARM_DECL for the parm living in the reg.