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r190754 - in /branches/gcc-4_7-branch/gcc: Chan...
- From: uros at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 28 Aug 2012 17:22:14 -0000
- Subject: r190754 - in /branches/gcc-4_7-branch/gcc: Chan...
Author: uros
Date: Tue Aug 28 17:22:13 2012
New Revision: 190754
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190754
Log:
Backport from mainline
2012-08-27 Uros Bizjak <ubizjak@gmail.com>
PR target/46254
* config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
true for TARGET_64BIT or !flag_pic.
* config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
(atomic_compare_and_swap_double<mode>): Change operand 2 predicate
to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator.
Add insn constraint. Conditionally emit xchg asm insns.
(atomic_compare_and_swap<mode>): Update calls. Check only
cmpxchg8b_pic_memory_operand in memory address fixup.
(DCASMODE): Remove.
(CASHMODE): Rename from DCASHMODE.
(doublemodesuffix): Update modes.
(regprefix): New mode attribute.
(unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
<UNSPECV_CMPXCHG>: New constant.
(atomic_compare_and_swap<mode>_1): Rename from
atomic_compare_and_swap_single<mode>. Update calls and
unspec_volatile constants.
(atomic_compare_and_swap<mode>_doubleword): Rename from
atomic_compare_and_swap_double<mode>. Update calls and
unspec_volatile constants.
testsuite/ChangeLog:
Backport from mainline
2012-08-27 Uros Bizjak <ubizjak@gmail.com>
PR target/46254
* gcc.target/i386/pr46254.c: New test.
Added:
branches/gcc-4_7-branch/gcc/testsuite/gcc.target/i386/pr46254.c
Modified:
branches/gcc-4_7-branch/gcc/ChangeLog
branches/gcc-4_7-branch/gcc/config/i386/predicates.md
branches/gcc-4_7-branch/gcc/config/i386/sync.md
branches/gcc-4_7-branch/gcc/testsuite/ChangeLog