http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46254
--- Comment #2 from uros at gcc dot gnu.org 2012-08-28 17:22:18 UTC --- 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 <ubiz...@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 <ubiz...@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
