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avr.md (code_stdname): Add ior, xor.

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* config/avr/avr.md (code_stdname): Add ior, xor.
	(xior): New code iterator.
	(*<code_stdname><mode>qi.byte0): Use xior instead of ior.
	(*<code_stdname><mode>qi.byte1-3): Ditto.

From-SVN: r184509
This commit is contained in:
Georg-Johann Lay 2012-02-23 15:35:27 +00:00 • committed by Georg-Johann Lay
parent a348dc7ff9
commit f71f1418cf
2 changed files with 23 additions and 8 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2012-02-23 Georg-Johann Lay <avr@gjlay.de>
* config/avr/avr.md (code_stdname): Add ior, xor.
(xior): New code iterator.
(*<code_stdname><mode>qi.byte0): Use xior instead of ior.
(*<code_stdname><mode>qi.byte1-3): Ditto.
2012-02-23 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/52019

24
gcc/config/avr/avr.md
View file

@ -231,6 +231,8 @@
(define_code_iterator any_extend [sign_extend zero_extend])
(define_code_iterator any_extend2 [sign_extend zero_extend])
(define_code_iterator xior [xor ior])
;; Define code attributes
(define_code_attr extend_su
[(sign_extend "s")
@ -254,6 +256,8 @@
[(ashift "ashl")
(ashiftrt "ashr")
(lshiftrt "lshr")
(ior "ior")
(xor "xor")
(rotate "rotl")])
;;========================================================================
@ -5960,24 +5964,28 @@
;; in particular when subreg lowering (-fsplit-wide-types) is turned on.
;; That switch obfuscates things here and in many other places.
(define_insn_and_split "*ior<mode>qi.byte0"
;; "*iorhiqi.byte0" "*iorpsiqi.byte0" "*iorsiqi.byte0"
;; "*xorhiqi.byte0" "*xorpsiqi.byte0" "*xorsiqi.byte0"
(define_insn_and_split "*<code_stdname><mode>qi.byte0"
[(set (match_operand:HISI 0 "register_operand" "=r")
(ior:HISI
(xior:HISI
(zero_extend:HISI (match_operand:QI 1 "register_operand" "r"))
(match_operand:HISI 2 "register_operand" "0")))]
""
"#"
"reload_completed"
[(set (match_dup 3)
(ior:QI (match_dup 3)
(match_dup 1)))]
(xior:QI (match_dup 3)
(match_dup 1)))]
{
operands[3] = simplify_gen_subreg (QImode, operands[0], <MODE>mode, 0);
})
(define_insn_and_split "*ior<mode>qi.byte1-3"
;; "*iorhiqi.byte1-3" "*iorpsiqi.byte1-3" "*iorsiqi.byte1-3"
;; "*xorhiqi.byte1-3" "*xorpsiqi.byte1-3" "*xorsiqi.byte1-3"
(define_insn_and_split "*<code_stdname><mode>qi.byte1-3"
[(set (match_operand:HISI 0 "register_operand" "=r")
(ior:HISI
(xior:HISI
(ashift:HISI (zero_extend:HISI (match_operand:QI 1 "register_operand" "r"))
(match_operand:QI 2 "const_8_16_24_operand" "n"))
(match_operand:HISI 3 "register_operand" "0")))]
@ -5985,8 +5993,8 @@
"#"
"&& reload_completed"
[(set (match_dup 4)
(ior:QI (match_dup 4)
(match_dup 1)))]
(xior:QI (match_dup 4)
(match_dup 1)))]
{
int byteno = INTVAL(operands[2]) / BITS_PER_UNIT;
operands[4] = simplify_gen_subreg (QImode, operands[0], <MODE>mode, byteno);