gcc/
2011-10-14 David Alan Gilbert <david.gilbert@linaro.org>
* config/arm/arm.c (arm_output_ldrex): Support ldrexd.
(arm_output_strex): Support strexd.
(arm_output_it): New helper to output it in Thumb2 mode only.
(arm_output_sync_loop): Support DI mode. Change comment to
not support const_int.
(arm_expand_sync): Support DI mode.
* config/arm/arm.h (TARGET_HAVE_LDREXBHD): Split into LDREXBH
and LDREXD.
* config/arm/iterators.md (NARROW): move from sync.md.
(QHSD): New iterator for all current ARM integer modes.
(SIDI): New iterator for SI and DI modes only.
* config/arm/sync.md (sync_predtab): New mode_attr.
(sync_compare_and_swapsi): Fold into sync_compare_and_swap<mode>.
(sync_lock_test_and_setsi): Fold into sync_lock_test_and_setsi<mode>.
(sync_<sync_optab>si): Fold into sync_<sync_optab><mode>.
(sync_nandsi): Fold into sync_nand<mode>.
(sync_new_<sync_optab>si): Fold into sync_new_<sync_optab><mode>.
(sync_new_nandsi): Fold into sync_new_nand<mode>.
(sync_old_<sync_optab>si): Fold into sync_old_<sync_optab><mode>.
(sync_old_nandsi): Fold into sync_old_nand<mode>.
(sync_compare_and_swap<mode>): Support SI & DI.
(sync_lock_test_and_set<mode>): Likewise.
(sync_<sync_optab><mode>): Likewise.
(sync_nand<mode>): Likewise.
(sync_new_<sync_optab><mode>): Likewise.
(sync_new_nand<mode>): Likewise.
(sync_old_<sync_optab><mode>): Likewise.
(sync_old_nand<mode>): Likewise.
(arm_sync_compare_and_swapsi): Turn into iterator on SI & DI.
(arm_sync_lock_test_and_setsi): Likewise.
(arm_sync_new_<sync_optab>si): Likewise.
(arm_sync_new_nandsi): Likewise.
(arm_sync_old_<sync_optab>si): Likewise.
(arm_sync_old_nandsi): Likewise.
(arm_sync_compare_and_swap<mode> NARROW): use sync_predtab, fix indent.
(arm_sync_lock_test_and_setsi<mode> NARROW): Likewise.
(arm_sync_new_<sync_optab><mode> NARROW): Likewise.
(arm_sync_new_nand<mode> NARROW): Likewise.
(arm_sync_old_<sync_optab><mode> NARROW): Likewise.
(arm_sync_old_nand<mode> NARROW): Likewise.
From-SVN: r179981
