Use MOV8rm to load 1 bit value.

llvm-svn: 24721
2005-12-15 00:59:17 +00:00 · 2005-12-15 00:59:17 +00:00 · bc9344477e
parent 808f7a8abb
commit bc9344477e
1 changed files with 3 additions and 0 deletions
--- a/llvm/lib/Target/X86/X86InstrInfo.td
+++ b/llvm/lib/Target/X86/X86InstrInfo.td
@ -431,6 +431,9 @@ def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32:$src),
                "mov{l} {$src, $dst|$dst, $src}",
                [(store R32:$src, addr:$dst)]>;
                
+// Handling 1 bit load
+def : Pat<(i1 (load addr:$src)), (MOV8rm  addr:$src)>;
+
 //===----------------------------------------------------------------------===//
 //  Fixed-Register Multiplication and Division Instructions...
 //