r176983 - in /branches/gcc-4_4-branch/gcc: Chan...

[uros@gcc.gnu.org]

Author: uros
Date: Sun Jul 31 18:23:40 2011
New Revision: 176983

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176983
Log:
	PR target/49920
	* config/i386/i386.md (strset): Do not expand strset_singleop
	when %eax or $edi are fixed.
	(*strsetdi_rex_1): Disable when %eax or %edi are fixed.
	(*strsetsi_1): Ditto.
	(*strsetsi_rex_1): Ditto.
	(*strsethi_1): Ditto.
	(*strsethi_rex_1): Ditto.
	(*strsetqi_1): Ditto.
	(*strsetqi_rex_1): Ditto.
	(*rep_stosdi_rex64): Disable when %eax, %ecx or %edi are fixed.
	(*rep_stossi): Ditto.
	(*rep_stossi_rex64): Ditto.
	(*rep_stosqi): Ditto.
	(*rep_stosqi_rex64): Ditto.
	(*strlenqi_1): Ditto.
	(*strlenqi_rex_1): Ditto.
	(cmpstrnsi): Also fail when %ecx is fixed.
	(*cmpstrnqi_nz_1): Disable when %ecx, %esi or %edi are fixed.
	(*cmpstrnqi_nz_rex_1): Ditto.
	(*cmpstrnqi_1): Ditto.
	(*cmpstrnqi_rex_1): Ditto.
	(*strmovdi_rex_1): Disable when %esi or %edi are fixed.
	(*strmovsi_1): Ditto.
	(*strmovsi_rex_1): Ditto.
	(*strmovhi_1): Ditto.
	(*strmovhi_rex_1): Ditto.
	(*strmovqi_1): Ditto.
	(*strmovqi_rex_1): Ditto.
	(*rep_movdi_rex64): Disable when %ecx, %esi or %edi are fixed.
	(*rep_movsi): Ditto.
	(*rep_movsi_rex64): Ditto.
	(*rep_movqi): Ditto.
	(*rep_movqi_rex64): Ditto.

testsuite/ChangeLog:

	PR target/49920
	* gcc.target/i386/pr49920.c: New test.


Added:
    branches/gcc-4_4-branch/gcc/testsuite/gcc.target/i386/pr49920.c
Modified:
    branches/gcc-4_4-branch/gcc/ChangeLog
    branches/gcc-4_4-branch/gcc/config/i386/i386.md
    branches/gcc-4_4-branch/gcc/testsuite/ChangeLog