move sign and zero extensions out to their own file.

llvm-svn: 115605

1 files changed, 0 insertions, 70 deletions

diff --git a/llvm/lib/Target/X86/X86Instr64bit.td b/llvm/lib/Target/X86/X86Instr64bit.td
index 1f9aaedc4b8..274ef26b22d 100644
--- a/llvm/lib/Target/X86/X86Instr64bit.td
+++ b/llvm/lib/Target/X86/X86Instr64bit.td
@@ -89,76 +89,6 @@ def MOV64ao64 : RIi32<0xA3, RawFrm, (outs offset64:$dst), (ins),
 */
 
 
-// Sign/Zero extenders
-
-// MOVSX64rr8 always has a REX prefix and it has an 8-bit register
-// operand, which makes it a rare instruction with an 8-bit register
-// operand that can never access an h register. If support for h registers
-// were generalized, this would require a special register class.
-def MOVSX64rr8 : RI<0xBE, MRMSrcReg, (outs GR64:$dst), (ins GR8 :$src),
-                    "movs{bq|x}\t{$src, $dst|$dst, $src}",
-                    [(set GR64:$dst, (sext GR8:$src))]>, TB;
-def MOVSX64rm8 : RI<0xBE, MRMSrcMem, (outs GR64:$dst), (ins i8mem :$src),
-                    "movs{bq|x}\t{$src, $dst|$dst, $src}",
-                    [(set GR64:$dst, (sextloadi64i8 addr:$src))]>, TB;
-def MOVSX64rr16: RI<0xBF, MRMSrcReg, (outs GR64:$dst), (ins GR16:$src),
-                    "movs{wq|x}\t{$src, $dst|$dst, $src}",
-                    [(set GR64:$dst, (sext GR16:$src))]>, TB;
-def MOVSX64rm16: RI<0xBF, MRMSrcMem, (outs GR64:$dst), (ins i16mem:$src),
-                    "movs{wq|x}\t{$src, $dst|$dst, $src}",
-                    [(set GR64:$dst, (sextloadi64i16 addr:$src))]>, TB;
-def MOVSX64rr32: RI<0x63, MRMSrcReg, (outs GR64:$dst), (ins GR32:$src),
-                    "movs{lq|xd}\t{$src, $dst|$dst, $src}",
-                    [(set GR64:$dst, (sext GR32:$src))]>;
-def MOVSX64rm32: RI<0x63, MRMSrcMem, (outs GR64:$dst), (ins i32mem:$src),
-                    "movs{lq|xd}\t{$src, $dst|$dst, $src}",
-                    [(set GR64:$dst, (sextloadi64i32 addr:$src))]>;
-
-// movzbq and movzwq encodings for the disassembler
-def MOVZX64rr8_Q : RI<0xB6, MRMSrcReg, (outs GR64:$dst), (ins GR8:$src),
-                       "movz{bq|x}\t{$src, $dst|$dst, $src}", []>, TB;
-def MOVZX64rm8_Q : RI<0xB6, MRMSrcMem, (outs GR64:$dst), (ins i8mem:$src),
-                       "movz{bq|x}\t{$src, $dst|$dst, $src}", []>, TB;
-def MOVZX64rr16_Q : RI<0xB7, MRMSrcReg, (outs GR64:$dst), (ins GR16:$src),
-                       "movz{wq|x}\t{$src, $dst|$dst, $src}", []>, TB;
-def MOVZX64rm16_Q : RI<0xB7, MRMSrcMem, (outs GR64:$dst), (ins i16mem:$src),
-                       "movz{wq|x}\t{$src, $dst|$dst, $src}", []>, TB;
-
-// Use movzbl instead of movzbq when the destination is a register; it's
-// equivalent due to implicit zero-extending, and it has a smaller encoding.
-def MOVZX64rr8 : I<0xB6, MRMSrcReg, (outs GR64:$dst), (ins GR8 :$src),
-                   "", [(set GR64:$dst, (zext GR8:$src))]>, TB;
-def MOVZX64rm8 : I<0xB6, MRMSrcMem, (outs GR64:$dst), (ins i8mem :$src),
-                   "", [(set GR64:$dst, (zextloadi64i8 addr:$src))]>, TB;
-// Use movzwl instead of movzwq when the destination is a register; it's
-// equivalent due to implicit zero-extending, and it has a smaller encoding.
-def MOVZX64rr16: I<0xB7, MRMSrcReg, (outs GR64:$dst), (ins GR16:$src),
-                   "", [(set GR64:$dst, (zext GR16:$src))]>, TB;
-def MOVZX64rm16: I<0xB7, MRMSrcMem, (outs GR64:$dst), (ins i16mem:$src),
-                   "", [(set GR64:$dst, (zextloadi64i16 addr:$src))]>, TB;
-
-// There's no movzlq instruction, but movl can be used for this purpose, using
-// implicit zero-extension. The preferred way to do 32-bit-to-64-bit zero
-// extension on x86-64 is to use a SUBREG_TO_REG to utilize implicit
-// zero-extension, however this isn't possible when the 32-bit value is
-// defined by a truncate or is copied from something where the high bits aren't
-// necessarily all zero. In such cases, we fall back to these explicit zext
-// instructions.
-def MOVZX64rr32 : I<0x89, MRMDestReg, (outs GR64:$dst), (ins GR32:$src),
-                    "", [(set GR64:$dst, (zext GR32:$src))]>;
-def MOVZX64rm32 : I<0x8B, MRMSrcMem, (outs GR64:$dst), (ins i32mem:$src),
-                    "", [(set GR64:$dst, (zextloadi64i32 addr:$src))]>;
-
-let neverHasSideEffects = 1 in {
-  let Defs = [RAX], Uses = [EAX] in
-  def CDQE : RI<0x98, RawFrm, (outs), (ins),
-               "{cltq|cdqe}", []>;     // RAX = signext(EAX)
-
-  let Defs = [RAX,RDX], Uses = [RAX] in
-  def CQO  : RI<0x99, RawFrm, (outs), (ins),
-                "{cqto|cqo}", []>; // RDX:RAX = signext(RAX)
-}
-
 //===----------------------------------------------------------------------===//
 //  Arithmetic Instructions...
 //