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| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-12-20 03:44:41 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-12-20 03:44:41 +0000 |
| commit | 0dad34a9bf850132e9ec84397f13604143c3aeff (patch) | |
| tree | 9dd0ea3b20deef8a48967f9839827ba19109f5e8 /lib/Target/Mips/Mips64InstrInfo.td | |
| parent | ab48c503e231c9a3c9ccccbb57c0a3a7a4302a75 (diff) | |
| download | external_llvm-0dad34a9bf850132e9ec84397f13604143c3aeff.zip external_llvm-0dad34a9bf850132e9ec84397f13604143c3aeff.tar.gz external_llvm-0dad34a9bf850132e9ec84397f13604143c3aeff.tar.bz2 | |
[mips] Refactor shift immediate instructions. Separate encoding information
from the rest.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170649 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/Mips64InstrInfo.td')
| -rw-r--r-- | lib/Target/Mips/Mips64InstrInfo.td | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/lib/Target/Mips/Mips64InstrInfo.td b/lib/Target/Mips/Mips64InstrInfo.td index d36d1ff..13674a4 100644 --- a/lib/Target/Mips/Mips64InstrInfo.td +++ b/lib/Target/Mips/Mips64InstrInfo.td @@ -37,10 +37,8 @@ def immZExt6 : ImmLeaf<i32, [{return Imm == (Imm & 0x3f);}]>; // Shifts // 64-bit shift instructions. let DecoderNamespace = "Mips64" in { -class shift_rotate_imm64<bits<6> func, bits<5> isRotate, string instr_asm, - SDNode OpNode>: - shift_rotate_imm<func, isRotate, instr_asm, OpNode, immZExt6, shamt, - CPU64Regs>; +class shift_rotate_imm64<string opstr, SDPatternOperator OpNode = null_frag>: + shift_rotate_imm<opstr, immZExt6, shamt, CPU64Regs, OpNode>; // Mul, Div class Mult64<bits<6> func, string instr_asm, InstrItinClass itin>: @@ -109,23 +107,21 @@ def XOR64 : ArithLogicR<"xor", IIAlu, CPU64Regs, 1, xor>, ADD_FM<0, 0x26>; def NOR64 : LogicNOR<0x00, 0x27, "nor", CPU64Regs>; /// Shift Instructions -def DSLL : shift_rotate_imm64<0x38, 0x00, "dsll", shl>; -def DSRL : shift_rotate_imm64<0x3a, 0x00, "dsrl", srl>; -def DSRA : shift_rotate_imm64<0x3b, 0x00, "dsra", sra>; -def DSLLV : shift_rotate_reg<0x14, 0x00, "dsllv", shl, CPU64Regs>; -def DSRLV : shift_rotate_reg<0x16, 0x00, "dsrlv", srl, CPU64Regs>; -def DSRAV : shift_rotate_reg<0x17, 0x00, "dsrav", sra, CPU64Regs>; -let Pattern = []<dag> in { - def DSLL32 : shift_rotate_imm64<0x3c, 0x00, "dsll32", shl>; - def DSRL32 : shift_rotate_imm64<0x3e, 0x00, "dsrl32", srl>; - def DSRA32 : shift_rotate_imm64<0x3f, 0x00, "dsra32", sra>; -} +def DSLL : shift_rotate_imm64<"dsll", shl>, SRA_FM<0x38, 0>; +def DSRL : shift_rotate_imm64<"dsrl", srl>, SRA_FM<0x3a, 0>; +def DSRA : shift_rotate_imm64<"dsra", sra>, SRA_FM<0x3b, 0>; +def DSLLV : shift_rotate_reg<0x14, 0x00, "dsllv", shl, CPU64Regs>; +def DSRLV : shift_rotate_reg<0x16, 0x00, "dsrlv", srl, CPU64Regs>; +def DSRAV : shift_rotate_reg<0x17, 0x00, "dsrav", sra, CPU64Regs>; +def DSLL32 : shift_rotate_imm64<"dsll32">, SRA_FM<0x3c, 0>; +def DSRL32 : shift_rotate_imm64<"dsrl32">, SRA_FM<0x3e, 0>; +def DSRA32 : shift_rotate_imm64<"dsra32">, SRA_FM<0x3f, 0>; } // Rotate Instructions let Predicates = [HasMips64r2, HasStdEnc], DecoderNamespace = "Mips64" in { - def DROTR : shift_rotate_imm64<0x3a, 0x01, "drotr", rotr>; - def DROTRV : shift_rotate_reg<0x16, 0x01, "drotrv", rotr, CPU64Regs>; + def DROTR : shift_rotate_imm64<"drotr", rotr>, SRA_FM<0x3a, 1>; + def DROTRV : shift_rotate_reg<0x16, 0x01, "drotrv", rotr, CPU64Regs>; } let DecoderNamespace = "Mips64" in { |