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| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 218a95a..e66f1f8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2005-01-31 Danny Smith <dannysmith@users.sourceforge.net> + + PR target/19704 + * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check + that dllimport'd functions do not use all call-clobbered registers + to pass parameters. + 2005-01-30 Richard Henderson <rth@redhat.com> PR 19696 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 4b6b3f2..f72bd3d 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -1678,6 +1678,13 @@ ix86_function_ok_for_sibcall (tree decl, tree exp) } } +#if TARGET_DLLIMPORT_DECL_ATTRIBUTES + /* Dllimport'd functions are also called indirectly. */ + if (decl && lookup_attribute ("dllimport", DECL_ATTRIBUTES (decl)) + && ix86_function_regparm (TREE_TYPE (decl), NULL) >= 3) + return false; +#endif + /* Otherwise okay. That also includes certain types of indirect calls. */ return true; } |