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| author | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-10-01 14:20:41 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-10-01 14:20:41 +0000 |
| commit | b9dcca8265e9da01119c47e65f114c3adc972ba6 (patch) | |
| tree | 474a2545c18f2a9b2a403d74aa942bd6180544f7 /lib/Target/SystemZ/SystemZInstrFormats.td | |
| parent | 1ff62e182e648c72e6fce4f9d7911f2edfd914d2 (diff) | |
| download | external_llvm-b9dcca8265e9da01119c47e65f114c3adc972ba6.zip external_llvm-b9dcca8265e9da01119c47e65f114c3adc972ba6.tar.gz external_llvm-b9dcca8265e9da01119c47e65f114c3adc972ba6.tar.bz2 | |
[SystemZ] Allow integer AND involving high words
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191762 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/SystemZ/SystemZInstrFormats.td')
| -rw-r--r-- | lib/Target/SystemZ/SystemZInstrFormats.td | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZInstrFormats.td b/lib/Target/SystemZ/SystemZInstrFormats.td index aa15ebd..b35aea8 100644 --- a/lib/Target/SystemZ/SystemZInstrFormats.td +++ b/lib/Target/SystemZ/SystemZInstrFormats.td @@ -1397,6 +1397,16 @@ class StoreRXYPseudo<SDPatternOperator operator, RegisterOperand cls, let AccessBytes = bytes; } +// Like RotateSelectRIEf, but expanded after RA depending on the choice +// of registers. +class RotateSelectRIEfPseudo<RegisterOperand cls1, RegisterOperand cls2> + : Pseudo<(outs cls1:$R1), + (ins cls1:$R1src, cls2:$R2, uimm8:$I3, uimm8:$I4, uimm8zx6:$I5), + []> { + let Constraints = "$R1 = $R1src"; + let DisableEncoding = "$R1src"; +} + // Implements "$dst = $cc & (8 >> CC) ? $src1 : $src2", where CC is // the value of the PSW's 2-bit condition code field. class SelectWrapper<RegisterOperand cls> |