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| author | Jack Carter <jack.carter@imgtec.com> | 2013-03-28 23:02:21 +0000 |
|---|---|---|
| committer | Jack Carter <jack.carter@imgtec.com> | 2013-03-28 23:02:21 +0000 |
| commit | e1d85d55e6e2e54f11f0c1ec5cdd3b4c0989093d (patch) | |
| tree | 76a44a7c96ea44b86fc6173582302d54bbc7e50f /llvm/lib/Target/Mips | |
| parent | ff8c45529c4bfc4027aa3a188c86cbbcf162a04d (diff) | |
| download | bcm5719-llvm-e1d85d55e6e2e54f11f0c1ec5cdd3b4c0989093d.tar.gz bcm5719-llvm-e1d85d55e6e2e54f11f0c1ec5cdd3b4c0989093d.zip | |
[Mips Assembler] Add alias definitions for jal
Mips assembler allows following to be used as aliased instructions:
jal $rs for jalr $rs
jal $rd,$rd for jalr $rd,$rs
This patch provides alias definitions in td files and test cases to show the usage.
Contributer: Vladimir Medic
llvm-svn: 178304
Diffstat (limited to 'llvm/lib/Target/Mips')
| -rw-r--r-- | llvm/lib/Target/Mips/Mips64InstrInfo.td | 4 | ||||
| -rw-r--r-- | llvm/lib/Target/Mips/MipsInstrInfo.td | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/Mips64InstrInfo.td b/llvm/lib/Target/Mips/Mips64InstrInfo.td index 5903b9e6235..1d5912a0354 100644 --- a/llvm/lib/Target/Mips/Mips64InstrInfo.td +++ b/llvm/lib/Target/Mips/Mips64InstrInfo.td @@ -332,6 +332,10 @@ def : InstAlias<"not $rt, $rs", def : InstAlias<"j $rs", (JR64 CPU64Regs:$rs), 0>, Requires<[HasMips64]>; def : InstAlias<"jalr $rs", (JALR64 RA_64, CPU64Regs:$rs)>, Requires<[HasMips64]>; +def : InstAlias<"jal $rs", (JALR64 RA_64, CPU64Regs:$rs), 0>, + Requires<[HasMips64]>; +def : InstAlias<"jal $rd,$rs", (JALR64 CPU64Regs:$rd, CPU64Regs:$rs), 0>, + Requires<[HasMips64]>; def : InstAlias<"daddu $rs, $rt, $imm", (DADDiu CPU64RegsOpnd:$rs, CPU64RegsOpnd:$rt, simm16_64:$imm), 1>; diff --git a/llvm/lib/Target/Mips/MipsInstrInfo.td b/llvm/lib/Target/Mips/MipsInstrInfo.td index 022987f12e8..1c523d5bd83 100644 --- a/llvm/lib/Target/Mips/MipsInstrInfo.td +++ b/llvm/lib/Target/Mips/MipsInstrInfo.td @@ -1001,6 +1001,9 @@ def : InstAlias<"and $rs, $rt, $imm", def : InstAlias<"j $rs", (JR CPURegs:$rs), 0>, Requires<[NotMips64]>; def : InstAlias<"jalr $rs", (JALR RA, CPURegs:$rs)>, Requires<[NotMips64]>; +def : InstAlias<"jal $rs", (JALR RA, CPURegs:$rs), 0>, Requires<[NotMips64]>; +def : InstAlias<"jal $rd,$rs", (JALR CPURegs:$rd, CPURegs:$rs), 0>, + Requires<[NotMips64]>; def : InstAlias<"not $rt, $rs", (NOR CPURegsOpnd:$rt, CPURegsOpnd:$rs, ZERO), 1>; def : InstAlias<"neg $rt, $rs", |
