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r137942 - in /branches/gcc-4_3-branch/gcc: Chan...


Author: bonzini
Date: Fri Jul 18 11:44:57 2008
New Revision: 137942

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=137942
Log:
gcc:
2008-07-18  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/35281
	* expr.c (convert_move): Use a new pseudo for the intermediate
	from_mode->word_mode result.
	* fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
	(propagate_rtx_1): Handle PR_HANDLE_MEM.
	(propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
	(varying_mem_p): Move above propagate_rtx.
	(all_uses_available_at): Do not check MEMs.

gcc/testsuite:
2008-07-18  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/35281
	* gcc.target/i386/pr35281.c: New.


Added:
    branches/gcc-4_3-branch/gcc/testsuite/gcc.target/i386/pr35281.c
      - copied unchanged from r133859, trunk/gcc/testsuite/gcc.target/i386/pr35281.c
Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/expr.c
    branches/gcc-4_3-branch/gcc/fwprop.c
    branches/gcc-4_3-branch/gcc/testsuite/ChangeLog


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