[patch] PR51477

[Richard Henderson]

On 11/12/2012 01:04 AM, Steven Bosscher wrote:
> gcc/
> 	PR rtl-optimization/51447
> 	* df-scan.c (df_get_entry_block_def_set): Add global regs to the set.
> 	* df-problems.c (df_lr_local_compute): Make global regs always live.
> 	* dce.c (deletable_insn_p): Make insns setting a global reg
> 	inherently necessary.
> 
> testsuite/
> 	PR rtl-optimization/51447
> 	* gcc.c-torture/execute/pr51447.c: New test.

Ok.


r~