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| author | Danny Smith <dannysmith@users.sourceforge.net> | 2005-01-31 05:49:07 +0000 |
|---|---|---|
| committer | Danny Smith <dannysmith@gcc.gnu.org> | 2005-01-31 05:49:07 +0000 |
| commit | 6cc37e7e24bb91d009d0a0c9ae9f37dd3c329d74 (patch) | |
| tree | d9cbcffdee35ec5e86d7d6b8c881da4d84f948f9 | |
| parent | e3016344b3c8ca1ede6b31a8b9949998e5274cf7 (diff) | |
| download | gcc-6cc37e7e24bb91d009d0a0c9ae9f37dd3c329d74.zip gcc-6cc37e7e24bb91d009d0a0c9ae9f37dd3c329d74.tar.gz gcc-6cc37e7e24bb91d009d0a0c9ae9f37dd3c329d74.tar.bz2 | |
re PR target/19704 (ICE for tail call of regparm 3 and dllimport)
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.
From-SVN: r94467
| -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; } |