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[mips] Add instruction alias (negu).

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Summary: negu $reg is equivalent to negu $reg, $reg.

Reviewers: dsanders

Reviewed By: dsanders

Differential Revision: http://reviews.llvm.org/D3510

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207673 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matheus Almeida 2014-04-30 16:53:49 +00:00
parent 3fa0a85ce8
commit 1afb0ccb40
10 changed files with 20 additions and 0 deletions
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2
lib/Target/Mips/MipsInstrInfo.td
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@ -1215,6 +1215,8 @@ def : InstAlias<"not $rt, $rs",
(NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
def : InstAlias<"neg $rt, $rs",
(SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
def : InstAlias<"negu $rt",
(SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
def : InstAlias<"negu $rt, $rs",
(SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
def : InstAlias<"slt $rs, $rt, $imm",

2
test/MC/Mips/mips1/valid.s
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@ -58,6 +58,8 @@
mult $sp,$v0
multu $gp,$k0
multu $t1,$s2
negu $2 # CHECK: negu $2, $2 # encoding: [0x00,0x02,0x10,0x23]
negu $2,$3 # CHECK: negu $2, $3 # encoding: [0x00,0x03,0x10,0x23]
neg.d $f27,$f18
neg.s $f1,$f15
nop

2
test/MC/Mips/mips2/valid.s
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@ -65,6 +65,8 @@
mult $sp,$v0
multu $gp,$k0
multu $t1,$s2
negu $2 # CHECK: negu $2, $2 # encoding: [0x00,0x02,0x10,0x23]
negu $2,$3 # CHECK: negu $2, $3 # encoding: [0x00,0x03,0x10,0x23]
neg.d $f27,$f18
neg.s $f1,$f15
nop

2
test/MC/Mips/mips3/valid.s
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@ -112,6 +112,8 @@
mult $sp,$v0
multu $gp,$k0
multu $t1,$s2
negu $2 # CHECK: negu $2, $2 # encoding: [0x00,0x02,0x10,0x23]
negu $2,$3 # CHECK: negu $2, $3 # encoding: [0x00,0x03,0x10,0x23]
neg.d $f27,$f18
neg.s $f1,$f15
nop

2
test/MC/Mips/mips32/valid.s
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@ -89,6 +89,8 @@
mult $sp,$v0
multu $gp,$k0
multu $t1,$s2
negu $2 # CHECK: negu $2, $2 # encoding: [0x00,0x02,0x10,0x23]
negu $2,$3 # CHECK: negu $2, $3 # encoding: [0x00,0x03,0x10,0x23]
neg.d $f27,$f18
neg.s $f1,$f15
nop

2
test/MC/Mips/mips32r2/valid.s
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@ -102,6 +102,8 @@
mult $sp,$v0
multu $gp,$k0
multu $t1,$s2
negu $2 # CHECK: negu $2, $2 # encoding: [0x00,0x02,0x10,0x23]
negu $2,$3 # CHECK: negu $2, $3 # encoding: [0x00,0x03,0x10,0x23]
neg.d $f27,$f18
neg.s $f1,$f15
nmadd.d $f18,$f9,$f14,$f19

2
test/MC/Mips/mips4/valid.s
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@ -127,6 +127,8 @@
mult $sp,$v0
multu $gp,$k0
multu $t1,$s2
negu $2 # CHECK: negu $2, $2 # encoding: [0x00,0x02,0x10,0x23]
negu $2,$3 # CHECK: negu $2, $3 # encoding: [0x00,0x03,0x10,0x23]
neg.d $f27,$f18
neg.s $f1,$f15
nop

2
test/MC/Mips/mips5/valid.s
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@ -127,6 +127,8 @@
mult $sp,$v0
multu $gp,$k0
multu $t1,$s2
negu $2 # CHECK: negu $2, $2 # encoding: [0x00,0x02,0x10,0x23]
negu $2,$3 # CHECK: negu $2, $3 # encoding: [0x00,0x03,0x10,0x23]
neg.d $f27,$f18
neg.s $f1,$f15
nop

2
test/MC/Mips/mips64/valid.s
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@ -140,6 +140,8 @@
mult $sp,$v0
multu $gp,$k0
multu $t1,$s2
negu $2 # CHECK: negu $2, $2 # encoding: [0x00,0x02,0x10,0x23]
negu $2,$3 # CHECK: negu $2, $3 # encoding: [0x00,0x03,0x10,0x23]
neg.d $f27,$f18
neg.s $f1,$f15
nop

2
test/MC/Mips/mips64r2/valid.s
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@ -154,6 +154,8 @@
mult $sp,$v0
multu $gp,$k0
multu $t1,$s2
negu $2 # CHECK: negu $2, $2 # encoding: [0x00,0x02,0x10,0x23]
negu $2,$3 # CHECK: negu $2, $3 # encoding: [0x00,0x03,0x10,0x23]
neg.d $f27,$f18
neg.s $f1,$f15
nmadd.s $f0,$f5,$f25,$f12