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+2012-09-05  Ivan Maidanski <ivmai@mail.ru>
+
+       * src/atomic_ops/sysdeps/gcc/x86.h
+       (AO_compare_double_and_swap_double_full): Re-implement for PIC mode
+       saving EBX to a local variable (instead of pushing it to stack) and
+       saving memory operand address to a register (edi which is manually
+       preserved), so that the whole code could also work even if EBX points
+       to memory operand (e.g., in Clang); test __PIC__ using ifdef (instead
+       of "if"); update comments; reformat code.
+
 [7.2d]
 
 2012-08-09  Ivan Maidanski <ivmai@mail.ru>