6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-21 02:29:22 +00:00
Code Issues Projects Releases Wiki Activity

move string pseudo instructions to InstrCompiler consolidate 64-bit and 32-bit together.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115600 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-10-05 06:27:48 +00:00
parent 010496c6a7
commit d3f033d969
3 changed files with 36 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
lib/Target/X86/X86Instr64bit.td
View File

@ -177,23 +177,6 @@ def BSR64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
[(set GR64:$dst, EFLAGS, (X86bsr (loadi64 addr:$src)))]>, TB;
} // Defs = [EFLAGS]
// Repeat string ops
let Defs = [RCX,RDI,RSI], Uses = [RCX,RDI,RSI], isCodeGenOnly = 1 in
def REP_MOVSQ : RI<0xA5, RawFrm, (outs), (ins), "{rep;movsq|rep movsq}",
[(X86rep_movs i64)]>, REP;
let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI], isCodeGenOnly = 1 in
def REP_STOSQ : RI<0xAB, RawFrm, (outs), (ins), "{rep;stosq|rep stosq}",
[(X86rep_stos i64)]>, REP;
let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in
def MOVSQ : RI<0xA5, RawFrm, (outs), (ins), "movsq", []>;
let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
def STOSQ : RI<0xAB, RawFrm, (outs), (ins), "stosq", []>;
def SCAS64 : RI<0xAF, RawFrm, (outs), (ins), "scasq", []>;
def CMPS64 : RI<0xA7, RawFrm, (outs), (ins), "cmpsq", []>;
//===----------------------------------------------------------------------===//

31
lib/Target/X86/X86InstrCompiler.td
View File

@ -146,6 +146,37 @@ def MOV64ri64i32 : Ii32<0xB8, AddRegFrm, (outs GR64:$dst), (ins i64i32imm:$src),
"", [(set GR64:$dst, i64immZExt32:$src)]>;
//===----------------------------------------------------------------------===//
// String Pseudo Instructions
//
let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
[(X86rep_movs i8)]>, REP;
def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
[(X86rep_movs i16)]>, REP, OpSize;
def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
[(X86rep_movs i32)]>, REP;
}
let Defs = [RCX,RDI,RSI], Uses = [RCX,RDI,RSI], isCodeGenOnly = 1 in
def REP_MOVSQ : RI<0xA5, RawFrm, (outs), (ins), "{rep;movsq|rep movsq}",
[(X86rep_movs i64)]>, REP;
// FIXME: Should use "(X86rep_stos AL)" as the pattern.
let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
[(X86rep_stos i8)]>, REP;
let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
[(X86rep_stos i16)]>, REP, OpSize;
let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
[(X86rep_stos i32)]>, REP;
let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI], isCodeGenOnly = 1 in
def REP_STOSQ : RI<0xAB, RawFrm, (outs), (ins), "{rep;stosq|rep stosq}",
[(X86rep_stos i64)]>, REP;
//===----------------------------------------------------------------------===//

23
lib/Target/X86/X86InstrInfo.td
View File

@ -641,32 +641,15 @@ def LEA32r : I<0x8D, MRMSrcMem,
"lea{l}\t{$src|$dst}, {$dst|$src}",
[(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
[(X86rep_movs i8)]>, REP;
def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
[(X86rep_movs i16)]>, REP, OpSize;
def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
[(X86rep_movs i32)]>, REP;
}
// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
def MOVSQ : RI<0xA5, RawFrm, (outs), (ins), "movsq", []>;
}
let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
[(X86rep_stos i8)]>, REP;
let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
[(X86rep_stos i16)]>, REP, OpSize;
let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
[(X86rep_stos i32)]>, REP;
// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
@ -674,14 +657,18 @@ let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
def STOSQ : RI<0xAB, RawFrm, (outs), (ins), "stosq", []>;
def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
def SCAS64 : RI<0xAF, RawFrm, (outs), (ins), "scasq", []>;
def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
def CMPS64 : RI<0xA7, RawFrm, (outs), (ins), "cmpsq", []>;
//===----------------------------------------------------------------------===//