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1034 lines
50 KiB
TableGen
1034 lines
50 KiB
TableGen
//===-- X86InstrShiftRotate.td - Shift and Rotate Instrs ---*- tablegen -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file describes the shift and rotate instructions.
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//
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//===----------------------------------------------------------------------===//
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// FIXME: Someone needs to smear multipattern goodness all over this file.
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let Defs = [EFLAGS] in {
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let Constraints = "$src1 = $dst", SchedRW = [WriteShift] in {
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let Uses = [CL], SchedRW = [WriteShiftCL] in {
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def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1),
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"shl{b}\t{%cl, $dst|$dst, cl}",
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[(set GR8:$dst, (shl GR8:$src1, CL))]>;
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def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
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"shl{w}\t{%cl, $dst|$dst, cl}",
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[(set GR16:$dst, (shl GR16:$src1, CL))]>, OpSize16;
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def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
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"shl{l}\t{%cl, $dst|$dst, cl}",
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[(set GR32:$dst, (shl GR32:$src1, CL))]>, OpSize32;
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def SHL64rCL : RI<0xD3, MRM4r, (outs GR64:$dst), (ins GR64:$src1),
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"shl{q}\t{%cl, $dst|$dst, cl}",
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[(set GR64:$dst, (shl GR64:$src1, CL))]>;
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} // Uses = [CL], SchedRW
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let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
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def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, u8imm:$src2),
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"shl{b}\t{$src2, $dst|$dst, $src2}",
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[(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
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def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, u8imm:$src2),
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"shl{w}\t{$src2, $dst|$dst, $src2}",
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[(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>,
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OpSize16;
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def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, u8imm:$src2),
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"shl{l}\t{$src2, $dst|$dst, $src2}",
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[(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>,
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OpSize32;
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def SHL64ri : RIi8<0xC1, MRM4r, (outs GR64:$dst),
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(ins GR64:$src1, u8imm:$src2),
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"shl{q}\t{$src2, $dst|$dst, $src2}",
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[(set GR64:$dst, (shl GR64:$src1, (i8 imm:$src2)))]>;
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} // isConvertibleToThreeAddress = 1
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// NOTE: We don't include patterns for shifts of a register by one, because
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// 'add reg,reg' is cheaper (and we have a Pat pattern for shift-by-one).
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let hasSideEffects = 0 in {
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def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
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"shl{b}\t$dst", []>;
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def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
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"shl{w}\t$dst", []>, OpSize16;
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def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
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"shl{l}\t$dst", []>, OpSize32;
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def SHL64r1 : RI<0xD1, MRM4r, (outs GR64:$dst), (ins GR64:$src1),
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"shl{q}\t$dst", []>;
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} // hasSideEffects = 0
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} // Constraints = "$src = $dst", SchedRW
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// FIXME: Why do we need an explicit "Uses = [CL]" when the instr has a pattern
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// using CL?
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let Uses = [CL], SchedRW = [WriteShiftCLLd, WriteRMW] in {
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def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
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"shl{b}\t{%cl, $dst|$dst, cl}",
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[(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
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def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
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"shl{w}\t{%cl, $dst|$dst, cl}",
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[(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>,
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OpSize16;
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def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
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"shl{l}\t{%cl, $dst|$dst, cl}",
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[(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>,
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OpSize32;
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def SHL64mCL : RI<0xD3, MRM4m, (outs), (ins i64mem:$dst),
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"shl{q}\t{%cl, $dst|$dst, cl}",
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[(store (shl (loadi64 addr:$dst), CL), addr:$dst)]>,
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Requires<[In64BitMode]>;
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}
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let SchedRW = [WriteShiftLd, WriteRMW] in {
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def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, u8imm:$src),
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"shl{b}\t{$src, $dst|$dst, $src}",
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[(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
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def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, u8imm:$src),
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"shl{w}\t{$src, $dst|$dst, $src}",
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[(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
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OpSize16;
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def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, u8imm:$src),
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"shl{l}\t{$src, $dst|$dst, $src}",
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[(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
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OpSize32;
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def SHL64mi : RIi8<0xC1, MRM4m, (outs), (ins i64mem:$dst, u8imm:$src),
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"shl{q}\t{$src, $dst|$dst, $src}",
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[(store (shl (loadi64 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
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Requires<[In64BitMode]>;
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// Shift by 1
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def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
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"shl{b}\t$dst",
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[(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
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def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
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"shl{w}\t$dst",
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[(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
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OpSize16;
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def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
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"shl{l}\t$dst",
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[(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>,
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OpSize32;
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def SHL64m1 : RI<0xD1, MRM4m, (outs), (ins i64mem:$dst),
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"shl{q}\t$dst",
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[(store (shl (loadi64 addr:$dst), (i8 1)), addr:$dst)]>,
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Requires<[In64BitMode]>;
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} // SchedRW
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let Constraints = "$src1 = $dst", SchedRW = [WriteShift] in {
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let Uses = [CL], SchedRW = [WriteShiftCL] in {
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def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src1),
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"shr{b}\t{%cl, $dst|$dst, cl}",
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[(set GR8:$dst, (srl GR8:$src1, CL))]>;
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def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
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"shr{w}\t{%cl, $dst|$dst, cl}",
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[(set GR16:$dst, (srl GR16:$src1, CL))]>, OpSize16;
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def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
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"shr{l}\t{%cl, $dst|$dst, cl}",
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[(set GR32:$dst, (srl GR32:$src1, CL))]>, OpSize32;
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def SHR64rCL : RI<0xD3, MRM5r, (outs GR64:$dst), (ins GR64:$src1),
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"shr{q}\t{%cl, $dst|$dst, cl}",
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[(set GR64:$dst, (srl GR64:$src1, CL))]>;
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}
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def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, u8imm:$src2),
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"shr{b}\t{$src2, $dst|$dst, $src2}",
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[(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
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def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, u8imm:$src2),
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"shr{w}\t{$src2, $dst|$dst, $src2}",
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[(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>,
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OpSize16;
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def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, u8imm:$src2),
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"shr{l}\t{$src2, $dst|$dst, $src2}",
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[(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>,
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OpSize32;
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def SHR64ri : RIi8<0xC1, MRM5r, (outs GR64:$dst), (ins GR64:$src1, u8imm:$src2),
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"shr{q}\t{$src2, $dst|$dst, $src2}",
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[(set GR64:$dst, (srl GR64:$src1, (i8 imm:$src2)))]>;
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// Shift right by 1
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def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
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"shr{b}\t$dst",
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[(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
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def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
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"shr{w}\t$dst",
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[(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize16;
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def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
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"shr{l}\t$dst",
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[(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>, OpSize32;
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def SHR64r1 : RI<0xD1, MRM5r, (outs GR64:$dst), (ins GR64:$src1),
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"shr{q}\t$dst",
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[(set GR64:$dst, (srl GR64:$src1, (i8 1)))]>;
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} // Constraints = "$src = $dst", SchedRW
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let Uses = [CL], SchedRW = [WriteShiftCLLd, WriteRMW] in {
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def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
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"shr{b}\t{%cl, $dst|$dst, cl}",
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[(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
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def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
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"shr{w}\t{%cl, $dst|$dst, cl}",
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[(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
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OpSize16;
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def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
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"shr{l}\t{%cl, $dst|$dst, cl}",
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[(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>,
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OpSize32;
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def SHR64mCL : RI<0xD3, MRM5m, (outs), (ins i64mem:$dst),
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"shr{q}\t{%cl, $dst|$dst, cl}",
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[(store (srl (loadi64 addr:$dst), CL), addr:$dst)]>,
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Requires<[In64BitMode]>;
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}
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let SchedRW = [WriteShiftLd, WriteRMW] in {
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def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, u8imm:$src),
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"shr{b}\t{$src, $dst|$dst, $src}",
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[(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
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def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, u8imm:$src),
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"shr{w}\t{$src, $dst|$dst, $src}",
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[(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
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OpSize16;
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def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, u8imm:$src),
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"shr{l}\t{$src, $dst|$dst, $src}",
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[(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
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OpSize32;
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def SHR64mi : RIi8<0xC1, MRM5m, (outs), (ins i64mem:$dst, u8imm:$src),
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"shr{q}\t{$src, $dst|$dst, $src}",
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[(store (srl (loadi64 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
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Requires<[In64BitMode]>;
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// Shift by 1
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def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
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"shr{b}\t$dst",
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[(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
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def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
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"shr{w}\t$dst",
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[(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
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OpSize16;
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def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
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"shr{l}\t$dst",
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[(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>,
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OpSize32;
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def SHR64m1 : RI<0xD1, MRM5m, (outs), (ins i64mem:$dst),
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"shr{q}\t$dst",
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[(store (srl (loadi64 addr:$dst), (i8 1)), addr:$dst)]>,
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Requires<[In64BitMode]>;
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} // SchedRW
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let Constraints = "$src1 = $dst", SchedRW = [WriteShift] in {
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let Uses = [CL], SchedRW = [WriteShiftCL] in {
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def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
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"sar{b}\t{%cl, $dst|$dst, cl}",
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[(set GR8:$dst, (sra GR8:$src1, CL))]>;
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def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
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"sar{w}\t{%cl, $dst|$dst, cl}",
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[(set GR16:$dst, (sra GR16:$src1, CL))]>,
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OpSize16;
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def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
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"sar{l}\t{%cl, $dst|$dst, cl}",
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[(set GR32:$dst, (sra GR32:$src1, CL))]>,
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OpSize32;
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def SAR64rCL : RI<0xD3, MRM7r, (outs GR64:$dst), (ins GR64:$src1),
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"sar{q}\t{%cl, $dst|$dst, cl}",
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[(set GR64:$dst, (sra GR64:$src1, CL))]>;
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}
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def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, u8imm:$src2),
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"sar{b}\t{$src2, $dst|$dst, $src2}",
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[(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
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def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, u8imm:$src2),
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"sar{w}\t{$src2, $dst|$dst, $src2}",
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[(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
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OpSize16;
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def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, u8imm:$src2),
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"sar{l}\t{$src2, $dst|$dst, $src2}",
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[(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>,
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OpSize32;
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def SAR64ri : RIi8<0xC1, MRM7r, (outs GR64:$dst),
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(ins GR64:$src1, u8imm:$src2),
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"sar{q}\t{$src2, $dst|$dst, $src2}",
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[(set GR64:$dst, (sra GR64:$src1, (i8 imm:$src2)))]>;
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// Shift by 1
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def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
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"sar{b}\t$dst",
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[(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
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def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
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"sar{w}\t$dst",
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[(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize16;
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def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
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"sar{l}\t$dst",
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[(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>, OpSize32;
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def SAR64r1 : RI<0xD1, MRM7r, (outs GR64:$dst), (ins GR64:$src1),
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"sar{q}\t$dst",
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[(set GR64:$dst, (sra GR64:$src1, (i8 1)))]>;
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} // Constraints = "$src = $dst", SchedRW
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let Uses = [CL], SchedRW = [WriteShiftCLLd, WriteRMW] in {
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def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
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"sar{b}\t{%cl, $dst|$dst, cl}",
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[(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
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def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
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"sar{w}\t{%cl, $dst|$dst, cl}",
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[(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>,
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OpSize16;
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def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
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"sar{l}\t{%cl, $dst|$dst, cl}",
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[(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>,
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OpSize32;
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def SAR64mCL : RI<0xD3, MRM7m, (outs), (ins i64mem:$dst),
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"sar{q}\t{%cl, $dst|$dst, cl}",
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[(store (sra (loadi64 addr:$dst), CL), addr:$dst)]>,
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Requires<[In64BitMode]>;
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}
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let SchedRW = [WriteShiftLd, WriteRMW] in {
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def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, u8imm:$src),
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"sar{b}\t{$src, $dst|$dst, $src}",
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[(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
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def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, u8imm:$src),
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"sar{w}\t{$src, $dst|$dst, $src}",
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[(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
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OpSize16;
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def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, u8imm:$src),
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"sar{l}\t{$src, $dst|$dst, $src}",
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[(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
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OpSize32;
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def SAR64mi : RIi8<0xC1, MRM7m, (outs), (ins i64mem:$dst, u8imm:$src),
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"sar{q}\t{$src, $dst|$dst, $src}",
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[(store (sra (loadi64 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
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Requires<[In64BitMode]>;
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// Shift by 1
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def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
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"sar{b}\t$dst",
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[(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
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def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
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"sar{w}\t$dst",
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[(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
|
|
OpSize16;
|
|
def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
|
|
"sar{l}\t$dst",
|
|
[(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>,
|
|
OpSize32;
|
|
def SAR64m1 : RI<0xD1, MRM7m, (outs), (ins i64mem:$dst),
|
|
"sar{q}\t$dst",
|
|
[(store (sra (loadi64 addr:$dst), (i8 1)), addr:$dst)]>,
|
|
Requires<[In64BitMode]>;
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Rotate instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let hasSideEffects = 0 in {
|
|
let Constraints = "$src1 = $dst", SchedRW = [WriteRotate] in {
|
|
|
|
let Uses = [CL, EFLAGS], SchedRW = [WriteRotateCL] in {
|
|
def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
|
|
"rcl{b}\t{%cl, $dst|$dst, cl}", []>;
|
|
def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
|
|
"rcl{w}\t{%cl, $dst|$dst, cl}", []>, OpSize16;
|
|
def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
|
|
"rcl{l}\t{%cl, $dst|$dst, cl}", []>, OpSize32;
|
|
def RCL64rCL : RI<0xD3, MRM2r, (outs GR64:$dst), (ins GR64:$src1),
|
|
"rcl{q}\t{%cl, $dst|$dst, cl}", []>;
|
|
} // Uses = [CL, EFLAGS]
|
|
|
|
let Uses = [EFLAGS] in {
|
|
def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
|
|
"rcl{b}\t$dst", []>;
|
|
def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src1, u8imm:$cnt),
|
|
"rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
|
|
def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
|
|
"rcl{w}\t$dst", []>, OpSize16;
|
|
def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src1, u8imm:$cnt),
|
|
"rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize16;
|
|
def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
|
|
"rcl{l}\t$dst", []>, OpSize32;
|
|
def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src1, u8imm:$cnt),
|
|
"rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize32;
|
|
def RCL64r1 : RI<0xD1, MRM2r, (outs GR64:$dst), (ins GR64:$src1),
|
|
"rcl{q}\t$dst", []>;
|
|
def RCL64ri : RIi8<0xC1, MRM2r, (outs GR64:$dst), (ins GR64:$src1, u8imm:$cnt),
|
|
"rcl{q}\t{$cnt, $dst|$dst, $cnt}", []>;
|
|
} // Uses = [EFLAGS]
|
|
|
|
let Uses = [CL, EFLAGS], SchedRW = [WriteRotateCL] in {
|
|
def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
|
|
"rcr{b}\t{%cl, $dst|$dst, cl}", []>;
|
|
def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
|
|
"rcr{w}\t{%cl, $dst|$dst, cl}", []>, OpSize16;
|
|
def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
|
|
"rcr{l}\t{%cl, $dst|$dst, cl}", []>, OpSize32;
|
|
def RCR64rCL : RI<0xD3, MRM3r, (outs GR64:$dst), (ins GR64:$src1),
|
|
"rcr{q}\t{%cl, $dst|$dst, cl}", []>;
|
|
} // Uses = [CL, EFLAGS]
|
|
|
|
let Uses = [EFLAGS] in {
|
|
def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
|
|
"rcr{b}\t$dst", []>;
|
|
def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src1, u8imm:$cnt),
|
|
"rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
|
|
def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
|
|
"rcr{w}\t$dst", []>, OpSize16;
|
|
def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src1, u8imm:$cnt),
|
|
"rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize16;
|
|
def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
|
|
"rcr{l}\t$dst", []>, OpSize32;
|
|
def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src1, u8imm:$cnt),
|
|
"rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize32;
|
|
def RCR64r1 : RI<0xD1, MRM3r, (outs GR64:$dst), (ins GR64:$src1),
|
|
"rcr{q}\t$dst", []>;
|
|
def RCR64ri : RIi8<0xC1, MRM3r, (outs GR64:$dst), (ins GR64:$src1, u8imm:$cnt),
|
|
"rcr{q}\t{$cnt, $dst|$dst, $cnt}", []>;
|
|
} // Uses = [EFLAGS]
|
|
|
|
} // Constraints = "$src = $dst"
|
|
|
|
let SchedRW = [WriteRotateLd, WriteRMW], mayStore = 1 in {
|
|
let Uses = [EFLAGS] in {
|
|
def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
|
|
"rcl{b}\t$dst", []>;
|
|
def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, u8imm:$cnt),
|
|
"rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
|
|
def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
|
|
"rcl{w}\t$dst", []>, OpSize16;
|
|
def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, u8imm:$cnt),
|
|
"rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize16;
|
|
def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
|
|
"rcl{l}\t$dst", []>, OpSize32;
|
|
def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, u8imm:$cnt),
|
|
"rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize32;
|
|
def RCL64m1 : RI<0xD1, MRM2m, (outs), (ins i64mem:$dst),
|
|
"rcl{q}\t$dst", []>, Requires<[In64BitMode]>;
|
|
def RCL64mi : RIi8<0xC1, MRM2m, (outs), (ins i64mem:$dst, u8imm:$cnt),
|
|
"rcl{q}\t{$cnt, $dst|$dst, $cnt}", []>,
|
|
Requires<[In64BitMode]>;
|
|
|
|
def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
|
|
"rcr{b}\t$dst", []>;
|
|
def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, u8imm:$cnt),
|
|
"rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
|
|
def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
|
|
"rcr{w}\t$dst", []>, OpSize16;
|
|
def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, u8imm:$cnt),
|
|
"rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize16;
|
|
def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
|
|
"rcr{l}\t$dst", []>, OpSize32;
|
|
def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, u8imm:$cnt),
|
|
"rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize32;
|
|
def RCR64m1 : RI<0xD1, MRM3m, (outs), (ins i64mem:$dst),
|
|
"rcr{q}\t$dst", []>, Requires<[In64BitMode]>;
|
|
def RCR64mi : RIi8<0xC1, MRM3m, (outs), (ins i64mem:$dst, u8imm:$cnt),
|
|
"rcr{q}\t{$cnt, $dst|$dst, $cnt}", []>,
|
|
Requires<[In64BitMode]>;
|
|
} // Uses = [EFLAGS]
|
|
|
|
let Uses = [CL, EFLAGS], SchedRW = [WriteRotateCLLd, WriteRMW] in {
|
|
def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
|
|
"rcl{b}\t{%cl, $dst|$dst, cl}", []>;
|
|
def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
|
|
"rcl{w}\t{%cl, $dst|$dst, cl}", []>, OpSize16;
|
|
def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
|
|
"rcl{l}\t{%cl, $dst|$dst, cl}", []>, OpSize32;
|
|
def RCL64mCL : RI<0xD3, MRM2m, (outs), (ins i64mem:$dst),
|
|
"rcl{q}\t{%cl, $dst|$dst, cl}", []>,
|
|
Requires<[In64BitMode]>;
|
|
|
|
def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
|
|
"rcr{b}\t{%cl, $dst|$dst, cl}", []>;
|
|
def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
|
|
"rcr{w}\t{%cl, $dst|$dst, cl}", []>, OpSize16;
|
|
def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
|
|
"rcr{l}\t{%cl, $dst|$dst, cl}", []>, OpSize32;
|
|
def RCR64mCL : RI<0xD3, MRM3m, (outs), (ins i64mem:$dst),
|
|
"rcr{q}\t{%cl, $dst|$dst, cl}", []>,
|
|
Requires<[In64BitMode]>;
|
|
} // Uses = [CL, EFLAGS]
|
|
} // SchedRW
|
|
} // hasSideEffects = 0
|
|
|
|
let Constraints = "$src1 = $dst", SchedRW = [WriteRotate] in {
|
|
// FIXME: provide shorter instructions when imm8 == 1
|
|
let Uses = [CL], SchedRW = [WriteRotateCL] in {
|
|
def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
|
|
"rol{b}\t{%cl, $dst|$dst, cl}",
|
|
[(set GR8:$dst, (rotl GR8:$src1, CL))]>;
|
|
def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
|
|
"rol{w}\t{%cl, $dst|$dst, cl}",
|
|
[(set GR16:$dst, (rotl GR16:$src1, CL))]>, OpSize16;
|
|
def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
|
|
"rol{l}\t{%cl, $dst|$dst, cl}",
|
|
[(set GR32:$dst, (rotl GR32:$src1, CL))]>, OpSize32;
|
|
def ROL64rCL : RI<0xD3, MRM0r, (outs GR64:$dst), (ins GR64:$src1),
|
|
"rol{q}\t{%cl, $dst|$dst, cl}",
|
|
[(set GR64:$dst, (rotl GR64:$src1, CL))]>;
|
|
}
|
|
|
|
def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, u8imm:$src2),
|
|
"rol{b}\t{$src2, $dst|$dst, $src2}",
|
|
[(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
|
|
def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, u8imm:$src2),
|
|
"rol{w}\t{$src2, $dst|$dst, $src2}",
|
|
[(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
|
|
OpSize16;
|
|
def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, u8imm:$src2),
|
|
"rol{l}\t{$src2, $dst|$dst, $src2}",
|
|
[(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>,
|
|
OpSize32;
|
|
def ROL64ri : RIi8<0xC1, MRM0r, (outs GR64:$dst),
|
|
(ins GR64:$src1, u8imm:$src2),
|
|
"rol{q}\t{$src2, $dst|$dst, $src2}",
|
|
[(set GR64:$dst, (rotl GR64:$src1, (i8 imm:$src2)))]>;
|
|
|
|
// Rotate by 1
|
|
def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
|
|
"rol{b}\t$dst",
|
|
[(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
|
|
def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
|
|
"rol{w}\t$dst",
|
|
[(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize16;
|
|
def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
|
|
"rol{l}\t$dst",
|
|
[(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>, OpSize32;
|
|
def ROL64r1 : RI<0xD1, MRM0r, (outs GR64:$dst), (ins GR64:$src1),
|
|
"rol{q}\t$dst",
|
|
[(set GR64:$dst, (rotl GR64:$src1, (i8 1)))]>;
|
|
} // Constraints = "$src = $dst", SchedRW
|
|
|
|
let Uses = [CL], SchedRW = [WriteRotateCLLd, WriteRMW] in {
|
|
def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
|
|
"rol{b}\t{%cl, $dst|$dst, cl}",
|
|
[(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
|
|
def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
|
|
"rol{w}\t{%cl, $dst|$dst, cl}",
|
|
[(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize16;
|
|
def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
|
|
"rol{l}\t{%cl, $dst|$dst, cl}",
|
|
[(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>, OpSize32;
|
|
def ROL64mCL : RI<0xD3, MRM0m, (outs), (ins i64mem:$dst),
|
|
"rol{q}\t{%cl, $dst|$dst, cl}",
|
|
[(store (rotl (loadi64 addr:$dst), CL), addr:$dst)]>,
|
|
Requires<[In64BitMode]>;
|
|
}
|
|
|
|
let SchedRW = [WriteRotateLd, WriteRMW] in {
|
|
def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, u8imm:$src1),
|
|
"rol{b}\t{$src1, $dst|$dst, $src1}",
|
|
[(store (rotl (loadi8 addr:$dst), (i8 imm:$src1)), addr:$dst)]>;
|
|
def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, u8imm:$src1),
|
|
"rol{w}\t{$src1, $dst|$dst, $src1}",
|
|
[(store (rotl (loadi16 addr:$dst), (i8 imm:$src1)), addr:$dst)]>,
|
|
OpSize16;
|
|
def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, u8imm:$src1),
|
|
"rol{l}\t{$src1, $dst|$dst, $src1}",
|
|
[(store (rotl (loadi32 addr:$dst), (i8 imm:$src1)), addr:$dst)]>,
|
|
OpSize32;
|
|
def ROL64mi : RIi8<0xC1, MRM0m, (outs), (ins i64mem:$dst, u8imm:$src1),
|
|
"rol{q}\t{$src1, $dst|$dst, $src1}",
|
|
[(store (rotl (loadi64 addr:$dst), (i8 imm:$src1)), addr:$dst)]>,
|
|
Requires<[In64BitMode]>;
|
|
|
|
// Rotate by 1
|
|
def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
|
|
"rol{b}\t$dst",
|
|
[(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
|
|
def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
|
|
"rol{w}\t$dst",
|
|
[(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
|
|
OpSize16;
|
|
def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
|
|
"rol{l}\t$dst",
|
|
[(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>,
|
|
OpSize32;
|
|
def ROL64m1 : RI<0xD1, MRM0m, (outs), (ins i64mem:$dst),
|
|
"rol{q}\t$dst",
|
|
[(store (rotl (loadi64 addr:$dst), (i8 1)), addr:$dst)]>,
|
|
Requires<[In64BitMode]>;
|
|
} // SchedRW
|
|
|
|
let Constraints = "$src1 = $dst", SchedRW = [WriteRotate] in {
|
|
let Uses = [CL], SchedRW = [WriteRotateCL] in {
|
|
def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
|
|
"ror{b}\t{%cl, $dst|$dst, cl}",
|
|
[(set GR8:$dst, (rotr GR8:$src1, CL))]>;
|
|
def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
|
|
"ror{w}\t{%cl, $dst|$dst, cl}",
|
|
[(set GR16:$dst, (rotr GR16:$src1, CL))]>, OpSize16;
|
|
def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
|
|
"ror{l}\t{%cl, $dst|$dst, cl}",
|
|
[(set GR32:$dst, (rotr GR32:$src1, CL))]>, OpSize32;
|
|
def ROR64rCL : RI<0xD3, MRM1r, (outs GR64:$dst), (ins GR64:$src1),
|
|
"ror{q}\t{%cl, $dst|$dst, cl}",
|
|
[(set GR64:$dst, (rotr GR64:$src1, CL))]>;
|
|
}
|
|
|
|
def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, u8imm:$src2),
|
|
"ror{b}\t{$src2, $dst|$dst, $src2}",
|
|
[(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
|
|
def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, u8imm:$src2),
|
|
"ror{w}\t{$src2, $dst|$dst, $src2}",
|
|
[(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
|
|
OpSize16;
|
|
def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, u8imm:$src2),
|
|
"ror{l}\t{$src2, $dst|$dst, $src2}",
|
|
[(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>,
|
|
OpSize32;
|
|
def ROR64ri : RIi8<0xC1, MRM1r, (outs GR64:$dst),
|
|
(ins GR64:$src1, u8imm:$src2),
|
|
"ror{q}\t{$src2, $dst|$dst, $src2}",
|
|
[(set GR64:$dst, (rotr GR64:$src1, (i8 imm:$src2)))]>;
|
|
|
|
// Rotate by 1
|
|
def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
|
|
"ror{b}\t$dst",
|
|
[(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
|
|
def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
|
|
"ror{w}\t$dst",
|
|
[(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize16;
|
|
def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
|
|
"ror{l}\t$dst",
|
|
[(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>, OpSize32;
|
|
def ROR64r1 : RI<0xD1, MRM1r, (outs GR64:$dst), (ins GR64:$src1),
|
|
"ror{q}\t$dst",
|
|
[(set GR64:$dst, (rotr GR64:$src1, (i8 1)))]>;
|
|
} // Constraints = "$src = $dst", SchedRW
|
|
|
|
let Uses = [CL], SchedRW = [WriteRotateCLLd, WriteRMW] in {
|
|
def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
|
|
"ror{b}\t{%cl, $dst|$dst, cl}",
|
|
[(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
|
|
def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
|
|
"ror{w}\t{%cl, $dst|$dst, cl}",
|
|
[(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize16;
|
|
def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
|
|
"ror{l}\t{%cl, $dst|$dst, cl}",
|
|
[(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>, OpSize32;
|
|
def ROR64mCL : RI<0xD3, MRM1m, (outs), (ins i64mem:$dst),
|
|
"ror{q}\t{%cl, $dst|$dst, cl}",
|
|
[(store (rotr (loadi64 addr:$dst), CL), addr:$dst)]>,
|
|
Requires<[In64BitMode]>;
|
|
}
|
|
|
|
let SchedRW = [WriteRotateLd, WriteRMW] in {
|
|
def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, u8imm:$src),
|
|
"ror{b}\t{$src, $dst|$dst, $src}",
|
|
[(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
|
|
def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, u8imm:$src),
|
|
"ror{w}\t{$src, $dst|$dst, $src}",
|
|
[(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
|
|
OpSize16;
|
|
def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, u8imm:$src),
|
|
"ror{l}\t{$src, $dst|$dst, $src}",
|
|
[(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
|
|
OpSize32;
|
|
def ROR64mi : RIi8<0xC1, MRM1m, (outs), (ins i64mem:$dst, u8imm:$src),
|
|
"ror{q}\t{$src, $dst|$dst, $src}",
|
|
[(store (rotr (loadi64 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
|
|
Requires<[In64BitMode]>;
|
|
|
|
// Rotate by 1
|
|
def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
|
|
"ror{b}\t$dst",
|
|
[(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
|
|
def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
|
|
"ror{w}\t$dst",
|
|
[(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
|
|
OpSize16;
|
|
def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
|
|
"ror{l}\t$dst",
|
|
[(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>,
|
|
OpSize32;
|
|
def ROR64m1 : RI<0xD1, MRM1m, (outs), (ins i64mem:$dst),
|
|
"ror{q}\t$dst",
|
|
[(store (rotr (loadi64 addr:$dst), (i8 1)), addr:$dst)]>,
|
|
Requires<[In64BitMode]>;
|
|
} // SchedRW
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Double shift instructions (generalizations of rotate)
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let Constraints = "$src1 = $dst" in {
|
|
|
|
let Uses = [CL], SchedRW = [WriteSHDrrcl] in {
|
|
def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
|
|
(ins GR16:$src1, GR16:$src2),
|
|
"shld{w}\t{%cl, $src2, $dst|$dst, $src2, cl}",
|
|
[(set GR16:$dst, (X86fshl GR16:$src1, GR16:$src2, CL))]>,
|
|
TB, OpSize16;
|
|
def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
|
|
(ins GR16:$src1, GR16:$src2),
|
|
"shrd{w}\t{%cl, $src2, $dst|$dst, $src2, cl}",
|
|
[(set GR16:$dst, (X86fshr GR16:$src2, GR16:$src1, CL))]>,
|
|
TB, OpSize16;
|
|
def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
|
|
(ins GR32:$src1, GR32:$src2),
|
|
"shld{l}\t{%cl, $src2, $dst|$dst, $src2, cl}",
|
|
[(set GR32:$dst, (fshl GR32:$src1, GR32:$src2, CL))]>,
|
|
TB, OpSize32;
|
|
def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
|
|
(ins GR32:$src1, GR32:$src2),
|
|
"shrd{l}\t{%cl, $src2, $dst|$dst, $src2, cl}",
|
|
[(set GR32:$dst, (fshr GR32:$src2, GR32:$src1, CL))]>,
|
|
TB, OpSize32;
|
|
def SHLD64rrCL : RI<0xA5, MRMDestReg, (outs GR64:$dst),
|
|
(ins GR64:$src1, GR64:$src2),
|
|
"shld{q}\t{%cl, $src2, $dst|$dst, $src2, cl}",
|
|
[(set GR64:$dst, (fshl GR64:$src1, GR64:$src2, CL))]>,
|
|
TB;
|
|
def SHRD64rrCL : RI<0xAD, MRMDestReg, (outs GR64:$dst),
|
|
(ins GR64:$src1, GR64:$src2),
|
|
"shrd{q}\t{%cl, $src2, $dst|$dst, $src2, cl}",
|
|
[(set GR64:$dst, (fshr GR64:$src2, GR64:$src1, CL))]>,
|
|
TB;
|
|
} // SchedRW
|
|
|
|
let isCommutable = 1, SchedRW = [WriteSHDrri] in { // These instructions commute to each other.
|
|
def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
|
|
(outs GR16:$dst),
|
|
(ins GR16:$src1, GR16:$src2, u8imm:$src3),
|
|
"shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
|
|
[(set GR16:$dst, (X86fshl GR16:$src1, GR16:$src2,
|
|
(i8 imm:$src3)))]>,
|
|
TB, OpSize16;
|
|
def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
|
|
(outs GR16:$dst),
|
|
(ins GR16:$src1, GR16:$src2, u8imm:$src3),
|
|
"shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
|
|
[(set GR16:$dst, (X86fshr GR16:$src2, GR16:$src1,
|
|
(i8 imm:$src3)))]>,
|
|
TB, OpSize16;
|
|
def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
|
|
(outs GR32:$dst),
|
|
(ins GR32:$src1, GR32:$src2, u8imm:$src3),
|
|
"shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
|
|
[(set GR32:$dst, (fshl GR32:$src1, GR32:$src2,
|
|
(i8 imm:$src3)))]>,
|
|
TB, OpSize32;
|
|
def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
|
|
(outs GR32:$dst),
|
|
(ins GR32:$src1, GR32:$src2, u8imm:$src3),
|
|
"shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
|
|
[(set GR32:$dst, (fshr GR32:$src2, GR32:$src1,
|
|
(i8 imm:$src3)))]>,
|
|
TB, OpSize32;
|
|
def SHLD64rri8 : RIi8<0xA4, MRMDestReg,
|
|
(outs GR64:$dst),
|
|
(ins GR64:$src1, GR64:$src2, u8imm:$src3),
|
|
"shld{q}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
|
|
[(set GR64:$dst, (fshl GR64:$src1, GR64:$src2,
|
|
(i8 imm:$src3)))]>,
|
|
TB;
|
|
def SHRD64rri8 : RIi8<0xAC, MRMDestReg,
|
|
(outs GR64:$dst),
|
|
(ins GR64:$src1, GR64:$src2, u8imm:$src3),
|
|
"shrd{q}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
|
|
[(set GR64:$dst, (fshr GR64:$src2, GR64:$src1,
|
|
(i8 imm:$src3)))]>,
|
|
TB;
|
|
} // SchedRW
|
|
} // Constraints = "$src = $dst"
|
|
|
|
let Uses = [CL], SchedRW = [WriteSHDmrcl] in {
|
|
def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
|
|
"shld{w}\t{%cl, $src2, $dst|$dst, $src2, cl}",
|
|
[(store (X86fshl (loadi16 addr:$dst), GR16:$src2, CL),
|
|
addr:$dst)]>, TB, OpSize16;
|
|
def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
|
|
"shrd{w}\t{%cl, $src2, $dst|$dst, $src2, cl}",
|
|
[(store (X86fshr GR16:$src2, (loadi16 addr:$dst), CL),
|
|
addr:$dst)]>, TB, OpSize16;
|
|
|
|
def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
|
|
"shld{l}\t{%cl, $src2, $dst|$dst, $src2, cl}",
|
|
[(store (fshl (loadi32 addr:$dst), GR32:$src2, CL),
|
|
addr:$dst)]>, TB, OpSize32;
|
|
def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
|
|
"shrd{l}\t{%cl, $src2, $dst|$dst, $src2, cl}",
|
|
[(store (fshr GR32:$src2, (loadi32 addr:$dst), CL),
|
|
addr:$dst)]>, TB, OpSize32;
|
|
|
|
def SHLD64mrCL : RI<0xA5, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src2),
|
|
"shld{q}\t{%cl, $src2, $dst|$dst, $src2, cl}",
|
|
[(store (fshl (loadi64 addr:$dst), GR64:$src2, CL),
|
|
addr:$dst)]>, TB;
|
|
def SHRD64mrCL : RI<0xAD, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src2),
|
|
"shrd{q}\t{%cl, $src2, $dst|$dst, $src2, cl}",
|
|
[(store (fshr GR64:$src2, (loadi64 addr:$dst), CL),
|
|
addr:$dst)]>, TB;
|
|
} // SchedRW
|
|
|
|
let SchedRW = [WriteSHDmri] in {
|
|
def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
|
|
(outs), (ins i16mem:$dst, GR16:$src2, u8imm:$src3),
|
|
"shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
|
|
[(store (X86fshl (loadi16 addr:$dst), GR16:$src2,
|
|
(i8 imm:$src3)), addr:$dst)]>,
|
|
TB, OpSize16;
|
|
def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
|
|
(outs), (ins i16mem:$dst, GR16:$src2, u8imm:$src3),
|
|
"shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
|
|
[(store (X86fshr GR16:$src2, (loadi16 addr:$dst),
|
|
(i8 imm:$src3)), addr:$dst)]>,
|
|
TB, OpSize16;
|
|
|
|
def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
|
|
(outs), (ins i32mem:$dst, GR32:$src2, u8imm:$src3),
|
|
"shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
|
|
[(store (fshl (loadi32 addr:$dst), GR32:$src2,
|
|
(i8 imm:$src3)), addr:$dst)]>,
|
|
TB, OpSize32;
|
|
def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
|
|
(outs), (ins i32mem:$dst, GR32:$src2, u8imm:$src3),
|
|
"shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
|
|
[(store (fshr GR32:$src2, (loadi32 addr:$dst),
|
|
(i8 imm:$src3)), addr:$dst)]>,
|
|
TB, OpSize32;
|
|
|
|
def SHLD64mri8 : RIi8<0xA4, MRMDestMem,
|
|
(outs), (ins i64mem:$dst, GR64:$src2, u8imm:$src3),
|
|
"shld{q}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
|
|
[(store (fshl (loadi64 addr:$dst), GR64:$src2,
|
|
(i8 imm:$src3)), addr:$dst)]>,
|
|
TB;
|
|
def SHRD64mri8 : RIi8<0xAC, MRMDestMem,
|
|
(outs), (ins i64mem:$dst, GR64:$src2, u8imm:$src3),
|
|
"shrd{q}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
|
|
[(store (fshr GR64:$src2, (loadi64 addr:$dst),
|
|
(i8 imm:$src3)), addr:$dst)]>,
|
|
TB;
|
|
} // SchedRW
|
|
|
|
} // Defs = [EFLAGS]
|
|
|
|
// Use the opposite rotate if allows us to use the rotate by 1 instruction.
|
|
def : Pat<(rotl GR8:$src1, (i8 7)), (ROR8r1 GR8:$src1)>;
|
|
def : Pat<(rotl GR16:$src1, (i8 15)), (ROR16r1 GR16:$src1)>;
|
|
def : Pat<(rotl GR32:$src1, (i8 31)), (ROR32r1 GR32:$src1)>;
|
|
def : Pat<(rotl GR64:$src1, (i8 63)), (ROR64r1 GR64:$src1)>;
|
|
def : Pat<(rotr GR8:$src1, (i8 7)), (ROL8r1 GR8:$src1)>;
|
|
def : Pat<(rotr GR16:$src1, (i8 15)), (ROL16r1 GR16:$src1)>;
|
|
def : Pat<(rotr GR32:$src1, (i8 31)), (ROL32r1 GR32:$src1)>;
|
|
def : Pat<(rotr GR64:$src1, (i8 63)), (ROL64r1 GR64:$src1)>;
|
|
|
|
def : Pat<(store (rotl (loadi8 addr:$dst), (i8 7)), addr:$dst),
|
|
(ROR8m1 addr:$dst)>;
|
|
def : Pat<(store (rotl (loadi16 addr:$dst), (i8 15)), addr:$dst),
|
|
(ROR16m1 addr:$dst)>;
|
|
def : Pat<(store (rotl (loadi32 addr:$dst), (i8 31)), addr:$dst),
|
|
(ROR32m1 addr:$dst)>;
|
|
def : Pat<(store (rotl (loadi64 addr:$dst), (i8 63)), addr:$dst),
|
|
(ROR64m1 addr:$dst)>, Requires<[In64BitMode]>;
|
|
|
|
def : Pat<(store (rotr (loadi8 addr:$dst), (i8 7)), addr:$dst),
|
|
(ROL8m1 addr:$dst)>;
|
|
def : Pat<(store (rotr (loadi16 addr:$dst), (i8 15)), addr:$dst),
|
|
(ROL16m1 addr:$dst)>;
|
|
def : Pat<(store (rotr (loadi32 addr:$dst), (i8 31)), addr:$dst),
|
|
(ROL32m1 addr:$dst)>;
|
|
def : Pat<(store (rotr (loadi64 addr:$dst), (i8 63)), addr:$dst),
|
|
(ROL64m1 addr:$dst)>, Requires<[In64BitMode]>;
|
|
|
|
// Sandy Bridge and newer Intel processors support faster rotates using
|
|
// SHLD to avoid a partial flag update on the normal rotate instructions.
|
|
// Use a pseudo so that TwoInstructionPass and register allocation will see
|
|
// this as unary instruction.
|
|
let Predicates = [HasFastSHLDRotate], AddedComplexity = 5,
|
|
Defs = [EFLAGS], isPseudo = 1, SchedRW = [WriteSHDrri],
|
|
Constraints = "$src1 = $dst" in {
|
|
def SHLDROT32ri : I<0, Pseudo, (outs GR32:$dst),
|
|
(ins GR32:$src1, u8imm:$shamt), "",
|
|
[(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$shamt)))]>;
|
|
def SHLDROT64ri : I<0, Pseudo, (outs GR64:$dst),
|
|
(ins GR64:$src1, u8imm:$shamt), "",
|
|
[(set GR64:$dst, (rotl GR64:$src1, (i8 imm:$shamt)))]>;
|
|
|
|
def SHRDROT32ri : I<0, Pseudo, (outs GR32:$dst),
|
|
(ins GR32:$src1, u8imm:$shamt), "",
|
|
[(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$shamt)))]>;
|
|
def SHRDROT64ri : I<0, Pseudo, (outs GR64:$dst),
|
|
(ins GR64:$src1, u8imm:$shamt), "",
|
|
[(set GR64:$dst, (rotr GR64:$src1, (i8 imm:$shamt)))]>;
|
|
}
|
|
|
|
def ROT32L2R_imm8 : SDNodeXForm<imm, [{
|
|
// Convert a ROTL shamt to a ROTR shamt on 32-bit integer.
|
|
return getI8Imm(32 - N->getZExtValue(), SDLoc(N));
|
|
}]>;
|
|
|
|
def ROT64L2R_imm8 : SDNodeXForm<imm, [{
|
|
// Convert a ROTL shamt to a ROTR shamt on 64-bit integer.
|
|
return getI8Imm(64 - N->getZExtValue(), SDLoc(N));
|
|
}]>;
|
|
|
|
// NOTE: We use WriteShift for these rotates as they avoid the stalls
|
|
// of many of the older x86 rotate instructions.
|
|
multiclass bmi_rotate<string asm, RegisterClass RC, X86MemOperand x86memop> {
|
|
let hasSideEffects = 0 in {
|
|
def ri : Ii8<0xF0, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, u8imm:$src2),
|
|
!strconcat(asm, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
|
|
[]>, TAXD, VEX, Sched<[WriteShift]>;
|
|
let mayLoad = 1 in
|
|
def mi : Ii8<0xF0, MRMSrcMem, (outs RC:$dst),
|
|
(ins x86memop:$src1, u8imm:$src2),
|
|
!strconcat(asm, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
|
|
[]>, TAXD, VEX, Sched<[WriteShiftLd]>;
|
|
}
|
|
}
|
|
|
|
multiclass bmi_shift<string asm, RegisterClass RC, X86MemOperand x86memop> {
|
|
let hasSideEffects = 0 in {
|
|
def rr : I<0xF7, MRMSrcReg4VOp3, (outs RC:$dst), (ins RC:$src1, RC:$src2),
|
|
!strconcat(asm, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"), []>,
|
|
VEX, Sched<[WriteShift]>;
|
|
let mayLoad = 1 in
|
|
def rm : I<0xF7, MRMSrcMem4VOp3,
|
|
(outs RC:$dst), (ins x86memop:$src1, RC:$src2),
|
|
!strconcat(asm, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"), []>,
|
|
VEX, Sched<[WriteShift.Folded,
|
|
// x86memop:$src1
|
|
ReadDefault, ReadDefault, ReadDefault, ReadDefault,
|
|
ReadDefault,
|
|
// RC:$src2
|
|
WriteShift.ReadAfterFold]>;
|
|
}
|
|
}
|
|
|
|
let Predicates = [HasBMI2] in {
|
|
defm RORX32 : bmi_rotate<"rorx{l}", GR32, i32mem>;
|
|
defm RORX64 : bmi_rotate<"rorx{q}", GR64, i64mem>, VEX_W;
|
|
defm SARX32 : bmi_shift<"sarx{l}", GR32, i32mem>, T8XS;
|
|
defm SARX64 : bmi_shift<"sarx{q}", GR64, i64mem>, T8XS, VEX_W;
|
|
defm SHRX32 : bmi_shift<"shrx{l}", GR32, i32mem>, T8XD;
|
|
defm SHRX64 : bmi_shift<"shrx{q}", GR64, i64mem>, T8XD, VEX_W;
|
|
defm SHLX32 : bmi_shift<"shlx{l}", GR32, i32mem>, T8PD;
|
|
defm SHLX64 : bmi_shift<"shlx{q}", GR64, i64mem>, T8PD, VEX_W;
|
|
|
|
// Prefer RORX which is non-destructive and doesn't update EFLAGS.
|
|
let AddedComplexity = 10 in {
|
|
def : Pat<(rotr GR32:$src, (i8 imm:$shamt)),
|
|
(RORX32ri GR32:$src, imm:$shamt)>;
|
|
def : Pat<(rotr GR64:$src, (i8 imm:$shamt)),
|
|
(RORX64ri GR64:$src, imm:$shamt)>;
|
|
|
|
def : Pat<(rotl GR32:$src, (i8 imm:$shamt)),
|
|
(RORX32ri GR32:$src, (ROT32L2R_imm8 imm:$shamt))>;
|
|
def : Pat<(rotl GR64:$src, (i8 imm:$shamt)),
|
|
(RORX64ri GR64:$src, (ROT64L2R_imm8 imm:$shamt))>;
|
|
}
|
|
|
|
def : Pat<(rotr (loadi32 addr:$src), (i8 imm:$shamt)),
|
|
(RORX32mi addr:$src, imm:$shamt)>;
|
|
def : Pat<(rotr (loadi64 addr:$src), (i8 imm:$shamt)),
|
|
(RORX64mi addr:$src, imm:$shamt)>;
|
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def : Pat<(rotl (loadi32 addr:$src), (i8 imm:$shamt)),
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(RORX32mi addr:$src, (ROT32L2R_imm8 imm:$shamt))>;
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def : Pat<(rotl (loadi64 addr:$src), (i8 imm:$shamt)),
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(RORX64mi addr:$src, (ROT64L2R_imm8 imm:$shamt))>;
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// Prefer SARX/SHRX/SHLX over SAR/SHR/SHL with variable shift BUT not
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// immediate shift, i.e. the following code is considered better
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//
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// mov %edi, %esi
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// shl $imm, %esi
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// ... %edi, ...
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|
//
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|
// than
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//
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// movb $imm, %sil
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// shlx %sil, %edi, %esi
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// ... %edi, ...
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|
//
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let AddedComplexity = 1 in {
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def : Pat<(sra GR32:$src1, GR8:$src2),
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|
(SARX32rr GR32:$src1,
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|
(INSERT_SUBREG
|
|
(i32 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
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|
def : Pat<(sra GR64:$src1, GR8:$src2),
|
|
(SARX64rr GR64:$src1,
|
|
(INSERT_SUBREG
|
|
(i64 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
|
|
|
|
def : Pat<(srl GR32:$src1, GR8:$src2),
|
|
(SHRX32rr GR32:$src1,
|
|
(INSERT_SUBREG
|
|
(i32 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
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|
def : Pat<(srl GR64:$src1, GR8:$src2),
|
|
(SHRX64rr GR64:$src1,
|
|
(INSERT_SUBREG
|
|
(i64 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
|
|
|
|
def : Pat<(shl GR32:$src1, GR8:$src2),
|
|
(SHLX32rr GR32:$src1,
|
|
(INSERT_SUBREG
|
|
(i32 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
|
|
def : Pat<(shl GR64:$src1, GR8:$src2),
|
|
(SHLX64rr GR64:$src1,
|
|
(INSERT_SUBREG
|
|
(i64 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
|
|
}
|
|
|
|
// We prefer to use
|
|
// mov (%ecx), %esi
|
|
// shl $imm, $esi
|
|
//
|
|
// over
|
|
//
|
|
// movb $imm, %al
|
|
// shlx %al, (%ecx), %esi
|
|
//
|
|
// This priority is enforced by IsProfitableToFoldLoad.
|
|
def : Pat<(sra (loadi32 addr:$src1), GR8:$src2),
|
|
(SARX32rm addr:$src1,
|
|
(INSERT_SUBREG
|
|
(i32 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
|
|
def : Pat<(sra (loadi64 addr:$src1), GR8:$src2),
|
|
(SARX64rm addr:$src1,
|
|
(INSERT_SUBREG
|
|
(i64 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
|
|
|
|
def : Pat<(srl (loadi32 addr:$src1), GR8:$src2),
|
|
(SHRX32rm addr:$src1,
|
|
(INSERT_SUBREG
|
|
(i32 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
|
|
def : Pat<(srl (loadi64 addr:$src1), GR8:$src2),
|
|
(SHRX64rm addr:$src1,
|
|
(INSERT_SUBREG
|
|
(i64 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
|
|
|
|
def : Pat<(shl (loadi32 addr:$src1), GR8:$src2),
|
|
(SHLX32rm addr:$src1,
|
|
(INSERT_SUBREG
|
|
(i32 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
|
|
def : Pat<(shl (loadi64 addr:$src1), GR8:$src2),
|
|
(SHLX64rm addr:$src1,
|
|
(INSERT_SUBREG
|
|
(i64 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
|
|
}
|
|
|
|
def : Pat<(rotl GR8:$src1, (i8 relocImm:$src2)),
|
|
(ROL8ri GR8:$src1, relocImm:$src2)>;
|
|
def : Pat<(rotl GR16:$src1, (i8 relocImm:$src2)),
|
|
(ROL16ri GR16:$src1, relocImm:$src2)>;
|
|
def : Pat<(rotl GR32:$src1, (i8 relocImm:$src2)),
|
|
(ROL32ri GR32:$src1, relocImm:$src2)>;
|
|
def : Pat<(rotl GR64:$src1, (i8 relocImm:$src2)),
|
|
(ROL64ri GR64:$src1, relocImm:$src2)>;
|
|
|
|
def : Pat<(rotr GR8:$src1, (i8 relocImm:$src2)),
|
|
(ROR8ri GR8:$src1, relocImm:$src2)>;
|
|
def : Pat<(rotr GR16:$src1, (i8 relocImm:$src2)),
|
|
(ROR16ri GR16:$src1, relocImm:$src2)>;
|
|
def : Pat<(rotr GR32:$src1, (i8 relocImm:$src2)),
|
|
(ROR32ri GR32:$src1, relocImm:$src2)>;
|
|
def : Pat<(rotr GR64:$src1, (i8 relocImm:$src2)),
|
|
(ROR64ri GR64:$src1, relocImm:$src2)>;
|