Added RCL and RCR (rotate left and right with a

carry bit) instructions to the Intel instruction
tables.

llvm-svn: 82260

2 files changed, 124 insertions, 0 deletions

diff --git a/llvm/lib/Target/X86/X86Instr64bit.td b/llvm/lib/Target/X86/X86Instr64bit.td
index 8fe8a82a3e7..dc5e1739d3e 100644
--- a/llvm/lib/Target/X86/X86Instr64bit.td
+++ b/llvm/lib/Target/X86/X86Instr64bit.td
@@ -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),
diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td
index 29fd5efabb1..21730df618a 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.td
+++ b/llvm/lib/Target/X86/X86InstrInfo.td
@@ -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),