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| author | Craig Topper <craig.topper@gmail.com> | 2013-09-02 07:53:17 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2013-09-02 07:53:17 +0000 |
| commit | 69c474ffa8a4b0186067e39d338a165d4165af2b (patch) | |
| tree | 87ab20fb6bd0890ab5ddcfdd121599b78855173f /lib/Target/X86/X86InstrInfo.td | |
| parent | da0ce6eb8b11083b5cc1849b625509b87a7d9db9 (diff) | |
| download | llvm-69c474ffa8a4b0186067e39d338a165d4165af2b.tar.gz llvm-69c474ffa8a4b0186067e39d338a165d4165af2b.tar.bz2 llvm-69c474ffa8a4b0186067e39d338a165d4165af2b.tar.xz | |
Create BEXTR instructions for (and ((sra or srl) x, imm), (2**size - 1)). Fixes PR17028.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189742 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.td')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 869b9e0dfe..9aa75ff66c 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -253,6 +253,7 @@ def X86blsi : SDNode<"X86ISD::BLSI", SDTIntUnaryOp>; def X86blsmsk : SDNode<"X86ISD::BLSMSK", SDTIntUnaryOp>; def X86blsr : SDNode<"X86ISD::BLSR", SDTIntUnaryOp>; def X86bzhi : SDNode<"X86ISD::BZHI", SDTIntShiftOp>; +def X86bextr : SDNode<"X86ISD::BEXTR", SDTIntShiftOp>; def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>; @@ -1869,6 +1870,15 @@ def : Pat<(X86bzhi (loadi64 addr:$src1), GR8:$src2), (BZHI64rm addr:$src1, (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>; +def : Pat<(X86bextr GR32:$src1, GR32:$src2), + (BEXTR32rr GR32:$src1, GR32:$src2)>; +def : Pat<(X86bextr (loadi32 addr:$src1), GR32:$src2), + (BEXTR32rm addr:$src1, GR32:$src2)>; +def : Pat<(X86bextr GR64:$src1, GR64:$src2), + (BEXTR64rr GR64:$src1, GR64:$src2)>; +def : Pat<(X86bextr (loadi64 addr:$src1), GR64:$src2), + (BEXTR64rm addr:$src1, GR64:$src2)>; + multiclass bmi_pdep_pext<string mnemonic, RegisterClass RC, X86MemOperand x86memop, Intrinsic Int, PatFrag ld_frag> { |