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predicates.md (zero_extend_operand): New predicate.

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* config/sh/predicates.md (zero_extend_operand): New predicate.
	* config/sh/sh.md (zero_extendhisi2): Simplify by using new
	zero_extend_operand predicate.
	(zero_extendqisi2): Likewise.

From-SVN: r189269
This commit is contained in:
Oleg Endo 2012-07-04 23:32:13 +00:00
parent 7f426c93a7
commit 33344a62c4
3 changed files with 18 additions and 14 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2012-07-04 Oleg Endo <olegendo@gcc.gnu.org>
* config/sh/predicates.md (zero_extend_operand): New predicate.
* config/sh/sh.md (zero_extendhisi2): Simplify by using new
zero_extend_operand predicate.
(zero_extendqisi2): Likewise.
2012-07-04 Uros Bizjak <ubizjak@gmail.com>
PR middle-end/53321

7
gcc/config/sh/predicates.md
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@ -368,6 +368,13 @@
: nonimmediate_operand) (op, mode);
})
;; Returns 1 if the operand can be used in a zero_extend.
(define_predicate "zero_extend_operand"
(ior (and (match_test "TARGET_SHMEDIA")
(match_operand 0 "general_extend_operand"))
(and (match_test "! TARGET_SHMEDIA")
(match_operand 0 "arith_reg_operand"))))
;; Returns 1 if OP can be source of a simple move operation. Same as
;; general_operand, but a LABEL_REF is valid, PRE_DEC is invalid as
;; are subregs of system registers.

18
gcc/config/sh/sh.md
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@ -4725,13 +4725,8 @@ label:
(const_string "ignore")))])
(define_expand "zero_extendhisi2"
[(set (match_operand:SI 0 "arith_reg_operand" "")
(zero_extend:SI (match_operand:HI 1 "general_extend_operand" "")))]
""
{
if (! TARGET_SHMEDIA && ! arith_reg_operand (operands[1], HImode))
operands[1] = copy_to_mode_reg (HImode, operands[1]);
})
[(set (match_operand:SI 0 "arith_reg_dest" "")
(zero_extend:SI (match_operand:HI 1 "zero_extend_operand" "")))])
(define_insn "*zero_extendhisi2_compact"
[(set (match_operand:SI 0 "arith_reg_dest" "=r")
@ -4770,13 +4765,8 @@ label:
})
(define_expand "zero_extendqisi2"
[(set (match_operand:SI 0 "arith_reg_operand" "")
(zero_extend:SI (match_operand:QI 1 "general_extend_operand" "")))]
""
{
if (! TARGET_SHMEDIA && ! arith_reg_operand (operands[1], QImode))
operands[1] = copy_to_mode_reg (QImode, operands[1]);
})
[(set (match_operand:SI 0 "arith_reg_dest" "")
(zero_extend:SI (match_operand:QI 1 "zero_extend_operand" "")))])
(define_insn "*zero_extendqisi2_compact"
[(set (match_operand:SI 0 "arith_reg_dest" "=r")