procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

combine.c (distribute_notes): Don't look at global_regs for pseudos.

Browse source 
* combine.c (distribute_notes): Don't look at global_regs for
	pseudos.

From-SVN: r83889
This commit is contained in:
Zack Weinberg 2004-06-30 03:28:31 +00:00
parent 26d44ae2fd
commit 2cd54c2a56
3 changed files with 18 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
gcc/ChangeLog
View file

@ -1,3 +1,8 @@
2004-06-29 Zack Weinberg <zack@codesourcery.com>
* combine.c (distribute_notes): Don't look at global_regs for
pseudos.
2004-06-29 Richard Henderson <rth@redhat.com>
* gimplify.c (gimplify_modify_expr_rhs): Move immediately before
@ -320,7 +325,7 @@
<BIT_XOR_EXPR>: Optimize ~X|X and X|~X as -1.
<BIT_AND_EXPR>: Optimize ~X&X and X&~X as 0.
<TRUTH_AND_EXPR, TRUTH_ANDIF_EXPR>: Optimize !X&&X and X&&!X as false.
<TRUTH_OR_EXPR, TRUTH_ORIF_EXPR>: Optimize !X||X and !X||X as true.
<TRUTH_OR_EXPR, TRUTH_ORIF_EXPR>: Optimize !X||X and !X||X as true.
<TRUTH_XOR_EXPR>: Optimize !X^X and X^X! as true. Now that
TRUTH_XOR_EXPR is a commutative tree code, don't test whether arg0
is a constant.
@ -1199,10 +1204,10 @@
2004-06-21 Richard Henderson <rth@redhat.com>
PR rtl-opt/16114
* cse.c (merge_equiv_classes): Also rehash in response to
delete_reg_equiv changes.
(rehash_using_reg): Don't exclude REGs from rehashing.
PR rtl-opt/16114
* cse.c (merge_equiv_classes): Also rehash in response to
delete_reg_equiv changes.
(rehash_using_reg): Don't exclude REGs from rehashing.
2004-06-21 Richard Henderson <rth@redhat.com>

2
gcc/Makefile.in
View file

@ -1376,7 +1376,7 @@ c-ppoutput.o : c-ppoutput.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
c-objc-common.o : c-objc-common.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
$(C_TREE_H) $(RTL_H) insn-config.h $(INTEGRATE_H) $(EXPR_H) $(C_TREE_H) \
$(FLAGS_H) toplev.h tree-inline.h $(DIAGNOSTIC_H) $(VARRAY_H) \
langhooks.h $(GGC_H) $(TARGET_H) cgraph.h
langhooks.h $(GGC_H) $(TARGET_H)
c-aux-info.o : c-aux-info.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
$(C_TREE_H) $(FLAGS_H) toplev.h
c-convert.o : c-convert.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \

5
gcc/combine.c
View file

@ -11839,8 +11839,9 @@ distribute_notes (rtx notes, rtx from_insn, rtx i3, rtx i2)
TEM is doing. If so, delete TEM. Otherwise, make this
into a REG_UNUSED note instead. Don't delete sets to
global register vars. */
if (reg_set_p (XEXP (note, 0), PATTERN (tem))
&& !global_regs [REGNO(XEXP (note, 0))])
if ((REGNO (XEXP (note, 0)) >= FIRST_PSEUDO_REGISTER
|| !global_regs[REGNO (XEXP (note, 0))])
&& reg_set_p (XEXP (note, 0), PATTERN (tem)))
{
rtx set = single_set (tem);
rtx inner_dest = 0;