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predicates.md (x86_64_zext_general_operand): New.

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* config/i386/predicates.md (x86_64_zext_general_operand): New.
	* config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
	predicate to x86_64_zext_general_operand.  Accept "Z" constraint.

From-SVN: r185073
This commit is contained in:
Uros Bizjak 2012-03-07 20:44:37 +01:00 • committed by Uros Bizjak
parent 6ba4f08f34
commit ca538e973f
3 changed files with 17 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-03-07 Uros Bizjak <ubizjak@gmail.com>
* config/i386/predicates.md (x86_64_zext_general_operand): New.
* config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
predicate to x86_64_zext_general_operand. Accept "Z" constraint.
2012-03-07 Walter Lee <walt@tilera.com>
* config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate

6
gcc/config/i386/i386.md
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@ -3377,10 +3377,10 @@
(define_insn "*zero_extendsidi2_rex64"
[(set (match_operand:DI 0 "nonimmediate_operand"
"=r,o,?*Ym,?*y,?*Yi,!*x")
"=r ,o,?*Ym,?*y,?*Yi,!*x")
(zero_extend:DI
(match_operand:SI 1 "nonimmediate_operand"
"rm,0,r ,m ,r ,m*x")))]
(match_operand:SI 1 "x86_64_zext_general_operand"
"rmZ,0,r ,m ,r ,m*x")))]
"TARGET_64BIT"
"@
mov{l}\t{%1, %k0|%k0, %1}

8
gcc/config/i386/predicates.md
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@ -340,6 +340,14 @@
(match_operand 0 "x86_64_immediate_operand"))
(match_operand 0 "general_operand")))
;; Return true if OP is general operand representable on x86_64
;; as zero extended constant.
(define_predicate "x86_64_zext_general_operand"
(if_then_else (match_test "TARGET_64BIT")
(ior (match_operand 0 "nonimmediate_operand")
(match_operand 0 "x86_64_zext_immediate_operand"))
(match_operand 0 "general_operand")))
;; Return true if OP is general operand representable on x86_64
;; as either sign extended or zero extended constant.
(define_predicate "x86_64_szext_general_operand"