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[Bug target/61387] [4.10 Regression] ~900 test failures on on x86_64-apple-darwin13 for g++ with -m64 after r211089
- From: "ktietz at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 15 Jun 2014 19:44:24 +0000
- Subject: [Bug target/61387] [4.10 Regression] ~900 test failures on on x86_64-apple-darwin13 for g++ with -m64 after r211089
- Auto-submitted: auto-generated
- References: <bug-61387-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61387
Kai Tietz <ktietz at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ktietz at gcc dot gnu.org
--- Comment #9 from Kai Tietz <ktietz at gcc dot gnu.org> ---
Suggested patch for fixing direct fallout is below. Nevertheless it seems that
darwin-target has here a general issue in legitimize address
Index: predicates.md
===================================================================
--- predicates.md (Revision 211685)
+++ predicates.md (Arbeitskopie)
@@ -74,7 +74,15 @@
(define_predicate "sibcall_memory_operand"
(match_operand 0 "memory_operand")
{
- return CONSTANT_P (XEXP (op, 0));
+ op = XEXP (op, 0);
+
+ if (TARGET_MACHO && TARGET_64BIT
+ && GET_CODE (op) == CONST
+ && GET_CODE (XEXP (op, 0)) == UNSPEC
+ && XINT (XEXP (op, 0), 1) == UNSPEC_GOTPCREL)
+ return false;
+
+ return CONSTANT_P (op);
})
;; Match an SI or HImode register for a zero_extract.