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Gentoo's Bugzilla – Attachment 272309 Details for
Bug 366253
[4.6] x11-libs/qt-core fails to compile on arm
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[patch]
patch needed to compile qt on arm
strict_volatile.patch (text/plain), 1.06 KB, created by
Alexander Holler
on 2011-05-06 17:39:50 UTC
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Description:
patch needed to compile qt on arm
Filename:
MIME Type:
Creator:
Alexander Holler
Created:
2011-05-06 17:39:50 UTC
Size:
1.06 KB
patch
obsolete
>From: Julian Brown <julian@codesourcery.com> >See http://gcc.gnu.org/ml/gcc-patches/2011-03/msg01477.html >ChangeLog > > gcc/ > * expr.c (expand_expr_real_1): Only use BLKmode for volatile > accesses which are not naturally aligned. > >diff -Naur gcc-4.6.0.orig/gcc/expr.c gcc-4.6.0/gcc/expr.c >--- gcc-4.6.0.orig/gcc/expr.c 2011-05-02 12:29:14.000000000 +0200 >+++ gcc-4.6.0/gcc/expr.c 2011-05-02 12:49:57.218752247 +0200 >@@ -9178,8 +9178,11 @@ > && modifier != EXPAND_CONST_ADDRESS > && modifier != EXPAND_INITIALIZER) > /* If the field is volatile, we always want an aligned >- access. */ >- || (volatilep && flag_strict_volatile_bitfields > 0) >+ access. Only do this if the access is not already naturally >+ aligned, otherwise "normal" (non-bitfield) volatile fields >+ become non-addressable. */ >+ || (volatilep && flag_strict_volatile_bitfields > 0 >+ && (bitpos % GET_MODE_ALIGNMENT (mode) != 0)) > /* If the field isn't aligned enough to fetch as a memref, > fetch it as a bit field. */ > || (mode1 != BLKmode
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bug 366253
: 272309