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re PR middle-end/56552 (conditional move can generate unnecessary conversion code) 

2013-11-18  Andrew Pinski <apinski@cavium.com>
	    Steve Ellcey  <sellcey@mips.com>

	PR target/56552
	* config/mips/mips.md (*mov<GPR:mode>_on_<MOVECC:mode>): Remove
	type restriction from equality_operator on conditonal move.
	(*mov<SCALARF:mode>_on_<MOVECC:mode>): Ditto.
	(*mov<GPR:mode>_on_<GPR2:mode>_ne): New.

Co-Authored-By: Steve Ellcey <sellcey@mips.com>

From-SVN: r204979
This commit is contained in:
Andrew Pinski 2013-11-18 19:20:12 +00:00 committed by Steve Ellcey
parent 3a0b28f83d
commit 72b7c4bc78
2 changed files with 24 additions and 2 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2013-11-18 Andrew Pinski <apinski@cavium.com>
Steve Ellcey <sellcey@mips.com>
PR target/56552
* config/mips/mips.md (*mov<GPR:mode>_on_<MOVECC:mode>): Remove
type restriction from equality_operator on conditonal move.
(*mov<SCALARF:mode>_on_<MOVECC:mode>): Ditto.
(*mov<GPR:mode>_on_<GPR2:mode>_ne): New.
2013-11-18 Jeff Law <law@redhat.com>
* tree-ssa-threadupdate.c: Fix file block comment.

17
gcc/config/mips/mips.md
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@ -6776,7 +6776,7 @@
(define_insn "*mov<GPR:mode>_on_<MOVECC:mode>"
[(set (match_operand:GPR 0 "register_operand" "=d,d")
(if_then_else:GPR
(match_operator:MOVECC 4 "equality_operator"
(match_operator 4 "equality_operator"
[(match_operand:MOVECC 1 "register_operand" "<MOVECC:reg>,<MOVECC:reg>")
(const_int 0)])
(match_operand:GPR 2 "reg_or_0_operand" "dJ,0")
@ -6788,10 +6788,23 @@
[(set_attr "type" "condmove")
(set_attr "mode" "<GPR:MODE>")])
(define_insn "*mov<GPR:mode>_on_<GPR2:mode>_ne"
[(set (match_operand:GPR 0 "register_operand" "=d,d")
(if_then_else:GPR
(match_operand:GPR2 1 "register_operand" "<GPR2:reg>,<GPR2:reg>")
(match_operand:GPR 2 "reg_or_0_operand" "dJ,0")
(match_operand:GPR 3 "reg_or_0_operand" "0,dJ")))]
"ISA_HAS_CONDMOVE"
"@
movn\t%0,%z2,%1
movz\t%0,%z3,%1"
[(set_attr "type" "condmove")
(set_attr "mode" "<GPR:MODE>")])
(define_insn "*mov<SCALARF:mode>_on_<MOVECC:mode>"
[(set (match_operand:SCALARF 0 "register_operand" "=f,f")
(if_then_else:SCALARF
(match_operator:MOVECC 4 "equality_operator"
(match_operator 4 "equality_operator"
[(match_operand:MOVECC 1 "register_operand" "<MOVECC:reg>,<MOVECC:reg>")
(const_int 0)])
(match_operand:SCALARF 2 "register_operand" "f,0")