r179431 - in /trunk/gcc: ChangeLog config/mips/...

[rsandifo@gcc.gnu.org]

Author: rsandifo
Date: Sun Oct  2 17:45:10 2011
New Revision: 179431

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179431
Log:
gcc/
	PR target/49696
	* config/mips/sync.md (sync_<optab>_12): Allow zero operands.
	(sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise.
	(sync_old_nand_12, sync_new_nand_12, test_and_set_12): Likewise.

gcc/testsuite/
	* gcc.dg/pr49696.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr49696.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/mips/sync.md
    trunk/gcc/testsuite/ChangeLog