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dirtyepic 11/12/04 07:02:41 |
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|
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Modified: README.history |
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Added: 75_all_arm_4.7.0_strict-volatile-bitfields.patch |
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Log: |
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Add patch for bug #366253. |
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|
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Revision Changes Path |
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1.3 src/patchsets/gcc/4.6.2/gentoo/README.history |
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|
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file : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/4.6.2/gentoo/README.history?rev=1.3&view=markup |
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plain: http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/4.6.2/gentoo/README.history?rev=1.3&content-type=text/plain |
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diff : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/4.6.2/gentoo/README.history?r1=1.2&r2=1.3 |
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|
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Index: README.history |
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=================================================================== |
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RCS file: /var/cvsroot/gentoo/src/patchsets/gcc/4.6.2/gentoo/README.history,v |
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retrieving revision 1.2 |
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retrieving revision 1.3 |
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diff -u -r1.2 -r1.3 |
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--- README.history 30 Oct 2011 19:26:03 -0000 1.2 |
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+++ README.history 4 Dec 2011 07:02:41 -0000 1.3 |
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@@ -1,3 +1,6 @@ |
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+1.1 2011-12-04 |
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+ + 75_all_arm_4.7.0_strict-volatile-bitfields.patch |
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+ |
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1.0 2011-10-30 |
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U 01_all_joined-cpp-defs.patch |
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+ 03_all_java-nomulti.patch |
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|
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|
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|
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1.1 src/patchsets/gcc/4.6.2/gentoo/75_all_arm_4.7.0_strict-volatile-bitfields.patch |
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|
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file : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/4.6.2/gentoo/75_all_arm_4.7.0_strict-volatile-bitfields.patch?rev=1.1&view=markup |
| 36 |
plain: http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/4.6.2/gentoo/75_all_arm_4.7.0_strict-volatile-bitfields.patch?rev=1.1&content-type=text/plain |
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|
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Index: 75_all_arm_4.7.0_strict-volatile-bitfields.patch |
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=================================================================== |
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https://bugs.launchpad.net/gcc-linaro/+bug/675347 |
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http://gcc.gnu.org/ml/gcc-patches/2010-11/msg02245.html |
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|
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https://bugs.gentoo.org/366253 |
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|
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--- a/gcc/expr.c |
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+++ b/gcc/expr.c |
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@@ -9189,8 +9189,11 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode, |
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&& modifier != EXPAND_CONST_ADDRESS |
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&& modifier != EXPAND_INITIALIZER) |
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/* If the field is volatile, we always want an aligned |
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- access. */ |
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- || (volatilep && flag_strict_volatile_bitfields > 0) |
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+ access. Only do this if the access is not already naturally |
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+ aligned, otherwise "normal" (non-bitfield) volatile fields |
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+ become non-addressable. */ |
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+ || (volatilep && flag_strict_volatile_bitfields > 0 |
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+ && (bitpos % GET_MODE_ALIGNMENT (mode) != 0)) |
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/* If the field isn't aligned enough to fetch as a memref, |
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fetch it as a bit field. */ |
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|| (mode1 != BLKmode |
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