6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-10-03 08:55:51 +00:00
Code Issues Projects Releases Wiki Activity

Fix what looks to me obvious instruction definition bugs.

Browse Source 
1. CMPXCHG8B and CMPXCHG16B did not specify implicit physical register defs and uses.
2. LCMPXCHG8B is loading 64 bit memory, not 32 bit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92985 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2010-01-08 01:29:19 +00:00
parent d74a7d4e2c
commit b093bd0565
2 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
lib/Target/X86/X86Instr64bit.td
View File

@ -1683,6 +1683,7 @@ def CMPXCHG64rr : RI<0xB1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
def CMPXCHG64rm : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
"cmpxchg{q}\t{$src, $dst|$dst, $src}", []>, TB;
let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX] in
def CMPXCHG16B : RI<0xC7, MRM1m, (outs), (ins i128mem:$dst),
"cmpxchg16b\t$dst", []>, TB;

3
lib/Target/X86/X86InstrInfo.td
View File

@ -3798,7 +3798,7 @@ def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
[(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
}
let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$ptr),
"lock\n\t"
"cmpxchg8b\t$ptr",
[(X86cas8 addr:$ptr)]>, TB, LOCK;
@ -3864,6 +3864,7 @@ def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
"cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
"cmpxchg8b\t$dst", []>, TB;