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| author | Jim Grosbach <grosbach@apple.com> | 2010-12-07 20:41:06 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-12-07 20:41:06 +0000 |
| commit | 97a884d602538705644e296a57a039959cdb6f6e (patch) | |
| tree | 523994b35a0bf1868a79b788762a151e28dc2350 /lib/Target/ARM/ARMInstrInfo.td | |
| parent | 52f21e35e83d9c644aa40d557816ea647288c99d (diff) | |
| download | external_llvm-97a884d602538705644e296a57a039959cdb6f6e.zip external_llvm-97a884d602538705644e296a57a039959cdb6f6e.tar.gz external_llvm-97a884d602538705644e296a57a039959cdb6f6e.tar.bz2 | |
Refactor the ARM CMPz* patterns to just use the normal CMP instructions when
possible. They were duplicates for everything exception the source pattern
before.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121179 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 8a59ff5..4c7cdd7 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -2901,6 +2901,14 @@ defm CMP : AI1_cmp_irs<0b1010, "cmp", IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr, BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>; +// ARMcmpZ can re-use the above instruction definitions. +def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm), + (CMPri GPR:$src, so_imm:$imm)>; +def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs), + (CMPrr GPR:$src, GPR:$rhs)>; +def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs), + (CMPrs GPR:$src, so_reg:$rhs)>; + // FIXME: We have to be careful when using the CMN instruction and comparison // with 0. One would expect these two pieces of code should give identical // results: @@ -2953,9 +2961,6 @@ defm TEQ : AI1_cmp_irs<0b1001, "teq", IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr, BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>; -defm CMPz : AI1_cmp_irs<0b1010, "cmp", - IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr, - BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>; defm CMNz : AI1_cmp_irs<0b1011, "cmn", IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr, BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>; |