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s390.c (s390_decompose_address): Do not treat virtual registers as pointers. 

* config/s390/s390.c (s390_decompose_address): Do not treat virtual
	registers as pointers.
	* config/s390/s390.md ("*la_31" second peephole2): Fix incorrect mode.

From-SVN: r77036
This commit is contained in:
Ulrich Weigand 2004-01-31 17:01:24 +00:00 committed by Ulrich Weigand
parent 24f330691d
commit 025b17a479
3 changed files with 7 additions and 5 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2004-01-31 Ulrich Weigand <uweigand@de.ibm.com>
* config/s390/s390.c (s390_decompose_address): Do not treat virtual
registers as pointers.
* config/s390/s390.md ("*la_31" second peephole2): Fix incorrect mode.
2004-01-31 Paolo Bonzini <bonzini@gnu.org>
* combine.c (cse_main): Set gen_lowpart to gen_lowpart_for_combine

4
gcc/config/s390/s390.c
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@ -2081,8 +2081,6 @@ s390_decompose_address (register rtx addr, struct s390_address *out)
&& frame_pointer_needed
&& REGNO (base) == HARD_FRAME_POINTER_REGNUM)
|| REGNO (base) == ARG_POINTER_REGNUM
|| (REGNO (base) >= FIRST_VIRTUAL_REGISTER
&& REGNO (base) <= LAST_VIRTUAL_REGISTER)
|| (flag_pic
&& REGNO (base) == PIC_OFFSET_TABLE_REGNUM))
pointer = base_ptr = TRUE;
@ -2108,8 +2106,6 @@ s390_decompose_address (register rtx addr, struct s390_address *out)
&& frame_pointer_needed
&& REGNO (indx) == HARD_FRAME_POINTER_REGNUM)
|| REGNO (indx) == ARG_POINTER_REGNUM
|| (REGNO (indx) >= FIRST_VIRTUAL_REGISTER
&& REGNO (indx) <= LAST_VIRTUAL_REGISTER)
|| (flag_pic
&& REGNO (indx) == PIC_OFFSET_TABLE_REGNUM))
pointer = indx_ptr = TRUE;

2
gcc/config/s390/s390.md
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@ -3616,7 +3616,7 @@
&& !reg_overlap_mentioned_p (operands[0], operands[2])
&& strict_memory_address_p (VOIDmode, gen_rtx_PLUS (SImode, operands[1], operands[2]))
&& preferred_la_operand_p (gen_rtx_PLUS (SImode, operands[1], operands[2]))"
[(set (match_dup 0) (plus:DI (match_dup 1) (match_dup 2)))]
[(set (match_dup 0) (plus:SI (match_dup 1) (match_dup 2)))]
"")
(define_insn "*la_31_and"