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Added RCL and RCR (rotate left and right with a

Browse Source 
carry bit) instructions to the Intel instruction
tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82260 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sean Callanan 2009-09-18 19:35:23 +00:00
parent e8e0213cc3
commit a2dc2825fc
2 changed files with 124 additions and 0 deletions
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33
lib/Target/X86/X86Instr64bit.td
View File

@ -818,6 +818,39 @@ def SAR64m1 : RI<0xD1, MRM7m, (outs), (ins i64mem:$dst),
[(store (sra (loadi64 addr:$dst), (i8 1)), addr:$dst)]>;
// Rotate instructions
let isTwoAddress = 1 in {
def RCL64r1 : RI<0xD1, MRM2r, (outs GR64:$dst), (ins GR64:$src),
"rcl{q}\t{1, $dst|$dst, 1}", []>;
def RCL64m1 : RI<0xD1, MRM2m, (outs i64mem:$dst), (ins i64mem:$src),
"rcl{q}\t{1, $dst|$dst, 1}", []>;
let Uses = [CL] in {
def RCL64rCL : RI<0xD3, MRM2r, (outs GR64:$dst), (ins GR64:$src),
"rcl{q}\t{%cl, $dst|$dst, CL}", []>;
def RCL64mCL : RI<0xD3, MRM2m, (outs i64mem:$dst), (ins i64mem:$src),
"rcl{q}\t{%cl, $dst|$dst, CL}", []>;
}
def RCL64ri : RIi8<0xC1, MRM2r, (outs GR64:$dst), (ins GR64:$src, i8imm:$cnt),
"rcl{q}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCL64mi : RIi8<0xC1, MRM2m, (outs i64mem:$dst), (ins i64mem:$src, i8imm:$cnt),
"rcl{q}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCR64r1 : RI<0xD1, MRM3r, (outs GR64:$dst), (ins GR64:$src),
"rcr{q}\t{1, $dst|$dst, 1}", []>;
def RCR64m1 : RI<0xD1, MRM3m, (outs i64mem:$dst), (ins i64mem:$src),
"rcr{q}\t{1, $dst|$dst, 1}", []>;
let Uses = [CL] in {
def RCR64rCL : RI<0xD3, MRM3r, (outs GR64:$dst), (ins GR64:$src),
"rcr{q}\t{%cl, $dst|$dst, CL}", []>;
def RCR64mCL : RI<0xD3, MRM3m, (outs i64mem:$dst), (ins i64mem:$src),
"rcr{q}\t{%cl, $dst|$dst, CL}", []>;
}
def RCR64ri : RIi8<0xC1, MRM3r, (outs GR64:$dst), (ins GR64:$src, i8imm:$cnt),
"rcr{q}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCR64mi : RIi8<0xC1, MRM3m, (outs i64mem:$dst), (ins i64mem:$src, i8imm:$cnt),
"rcr{q}\t{$cnt, $dst|$dst, $cnt}", []>;
}
let isTwoAddress = 1 in {
let Uses = [CL] in
def ROL64rCL : RI<0xD3, MRM0r, (outs GR64:$dst), (ins GR64:$src),

91
lib/Target/X86/X86InstrInfo.td
View File

@ -2174,6 +2174,97 @@ let isTwoAddress = 0 in {
}
// Rotate instructions
def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src),
"rcl{b}\t{1, $dst|$dst, 1}", []>;
def RCL8m1 : I<0xD0, MRM2m, (outs i8mem:$dst), (ins i8mem:$src),
"rcl{b}\t{1, $dst|$dst, 1}", []>;
let Uses = [CL] in {
def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src),
"rcl{b}\t{%cl, $dst|$dst, CL}", []>;
def RCL8mCL : I<0xD2, MRM2m, (outs i8mem:$dst), (ins i8mem:$src),
"rcl{b}\t{%cl, $dst|$dst, CL}", []>;
}
def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
"rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCL8mi : Ii8<0xC0, MRM2m, (outs i8mem:$dst), (ins i8mem:$src, i8imm:$cnt),
"rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src),
"rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
def RCL16m1 : I<0xD1, MRM2m, (outs i16mem:$dst), (ins i16mem:$src),
"rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
let Uses = [CL] in {
def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src),
"rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
def RCL16mCL : I<0xD3, MRM2m, (outs i16mem:$dst), (ins i16mem:$src),
"rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
}
def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
"rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
def RCL16mi : Ii8<0xC1, MRM2m, (outs i16mem:$dst), (ins i16mem:$src, i8imm:$cnt),
"rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src),
"rcl{l}\t{1, $dst|$dst, 1}", []>;
def RCL32m1 : I<0xD1, MRM2m, (outs i32mem:$dst), (ins i32mem:$src),
"rcl{l}\t{1, $dst|$dst, 1}", []>;
let Uses = [CL] in {
def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src),
"rcl{l}\t{%cl, $dst|$dst, CL}", []>;
def RCL32mCL : I<0xD3, MRM2m, (outs i32mem:$dst), (ins i32mem:$src),
"rcl{l}\t{%cl, $dst|$dst, CL}", []>;
}
def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
"rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCL32mi : Ii8<0xC1, MRM2m, (outs i32mem:$dst), (ins i32mem:$src, i8imm:$cnt),
"rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src),
"rcr{b}\t{1, $dst|$dst, 1}", []>;
def RCR8m1 : I<0xD0, MRM3m, (outs i8mem:$dst), (ins i8mem:$src),
"rcr{b}\t{1, $dst|$dst, 1}", []>;
let Uses = [CL] in {
def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src),
"rcr{b}\t{%cl, $dst|$dst, CL}", []>;
def RCR8mCL : I<0xD2, MRM3m, (outs i8mem:$dst), (ins i8mem:$src),
"rcr{b}\t{%cl, $dst|$dst, CL}", []>;
}
def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
"rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCR8mi : Ii8<0xC0, MRM3m, (outs i8mem:$dst), (ins i8mem:$src, i8imm:$cnt),
"rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src),
"rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
def RCR16m1 : I<0xD1, MRM3m, (outs i16mem:$dst), (ins i16mem:$src),
"rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
let Uses = [CL] in {
def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src),
"rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
def RCR16mCL : I<0xD3, MRM3m, (outs i16mem:$dst), (ins i16mem:$src),
"rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
}
def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
"rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
def RCR16mi : Ii8<0xC1, MRM3m, (outs i16mem:$dst), (ins i16mem:$src, i8imm:$cnt),
"rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src),
"rcr{l}\t{1, $dst|$dst, 1}", []>;
def RCR32m1 : I<0xD1, MRM3m, (outs i32mem:$dst), (ins i32mem:$src),
"rcr{l}\t{1, $dst|$dst, 1}", []>;
let Uses = [CL] in {
def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src),
"rcr{l}\t{%cl, $dst|$dst, CL}", []>;
def RCR32mCL : I<0xD3, MRM3m, (outs i32mem:$dst), (ins i32mem:$src),
"rcr{l}\t{%cl, $dst|$dst, CL}", []>;
}
def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
"rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCR32mi : Ii8<0xC1, MRM3m, (outs i32mem:$dst), (ins i32mem:$src, i8imm:$cnt),
"rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
// FIXME: provide shorter instructions when imm8 == 1
let Uses = [CL] in {
def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),