From d5d7fe56071bd153f8d734d57154a45aff8eee5f Mon Sep 17 00:00:00 2001 From: ian Date: Tue, 14 Feb 2012 18:02:09 +0000 Subject: [PATCH] PR go/48501 runtime: Fix identity hash function for big-endian systems. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@184218 138bc75d-0d04-0410-961f-82ee72b054a4 --- libgo/runtime/go-type-identity.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libgo/runtime/go-type-identity.c b/libgo/runtime/go-type-identity.c index a0168e248361..142edf424640 100644 --- a/libgo/runtime/go-type-identity.c +++ b/libgo/runtime/go-type-identity.c @@ -32,7 +32,10 @@ __go_type_hash_identity (const void *key, uintptr_t key_size) } u; u.v = 0; __builtin_memcpy (&u.a, key, key_size); - return (uintptr_t) u.v; + if (sizeof (uintptr_t) >= 8) + return (uintptr_t) u.v; + else + return (uintptr_t) ((u.v >> 32) ^ (u.v & 0xffffffff)); } ret = 5381; -- 2.47.2