gcc/
2008-04-23 David Daney <ddaney@avtrex.com>
* config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
unspec_volitile.
(UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
UNSPEC_UPDATE_GOT_VERSION): Renumber.
(sync_compare_and_swap<mode>): New expand for QI and HI modes.
(compare_and_swap_12): New insn.
* config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
* config/mips/mips.c (mips_force_binary): New function.
(mips_emit_int_order_test, mips_expand_synci_loop): Use it.
(mips_expand_compare_and_swap_12): New function.
* config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
gcc/testsuite/
* gcc.target/mips/gcc-have-sync-compare-and-swap-1.c: Expect
__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 and
__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 to be defined.
* gcc.target/mips/gcc-have-sync-compare-and-swap-2.c: Likewise.
From-SVN: r134695
