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Mips: don't print subu alias for addiu

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Certainly not without having a custom PrintMethod to invert the immediate
beforehand. But probably not at all.

This will be tested when the TableGen "should I print this Alias" heuristic is
fixed (very soon).

llvm-svn: 208964
This commit is contained in:
Tim Northover 2014-05-16 09:41:30 +00:00
parent 25b5918f36
commit 9e02604274
1 changed files with 2 additions and 2 deletions
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4
lib/Target/Mips/MipsInstrInfo.td
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@ -1318,13 +1318,13 @@ def : MipsInstAlias<"sll $rd, $rt, $rs",
(SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
def : MipsInstAlias<"sub, $rd, $rs, $imm",
(ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
InvertedImOperand:$imm)>;
InvertedImOperand:$imm), 0>;
def : MipsInstAlias<"sub $rs, $imm",
(ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
0>;
def : MipsInstAlias<"subu, $rd, $rs, $imm",
(ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
InvertedImOperand:$imm)>;
InvertedImOperand:$imm), 0>;
def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
InvertedImOperand:$imm), 0>;
def : MipsInstAlias<"sra $rd, $rt, $rs",