Changes in directory llvm/lib/Target/X86:
X86InstrInfo.td updated: 1.278 -> 1.279
---
Log message:
Emit inc / dec of registers as one byte instruction.
---
Diffs of the changes: (+4 -4)
X86InstrInfo.td | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
Index: llvm/lib/Target/X86/X86InstrInfo.td
diff -u llvm/lib/Target/X86/X86InstrInfo.td:1.278
llvm/lib/Target/X86/X86InstrInfo.td:1.279
--- llvm/lib/Target/X86/X86InstrInfo.td:1.278 Wed Jun 28 19:36:51 2006
+++ llvm/lib/Target/X86/X86InstrInfo.td Tue Jul 11 14:49:49 2006
@@ -1095,9 +1095,9 @@
def INC8r : I<0xFE, MRM0r, (ops GR8 :$dst, GR8 :$src), "inc{b} $dst",
[(set GR8:$dst, (add GR8:$src, 1))]>;
let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
-def INC16r : I<0xFF, MRM0r, (ops GR16:$dst, GR16:$src), "inc{w} $dst",
+def INC16r : I<0x40, AddRegFrm, (ops GR16:$dst, GR16:$src), "inc{w} $dst",
[(set GR16:$dst, (add GR16:$src, 1))]>, OpSize;
-def INC32r : I<0xFF, MRM0r, (ops GR32:$dst, GR32:$src), "inc{l} $dst",
+def INC32r : I<0x40, AddRegFrm, (ops GR32:$dst, GR32:$src), "inc{l} $dst",
[(set GR32:$dst, (add GR32:$src, 1))]>;
}
let isTwoAddress = 0 in {
@@ -1112,9 +1112,9 @@
def DEC8r : I<0xFE, MRM1r, (ops GR8 :$dst, GR8 :$src), "dec{b} $dst",
[(set GR8:$dst, (add GR8:$src, -1))]>;
let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
-def DEC16r : I<0xFF, MRM1r, (ops GR16:$dst, GR16:$src), "dec{w} $dst",
+def DEC16r : I<0x48, AddRegFrm, (ops GR16:$dst, GR16:$src), "dec{w} $dst",
[(set GR16:$dst, (add GR16:$src, -1))]>, OpSize;
-def DEC32r : I<0xFF, MRM1r, (ops GR32:$dst, GR32:$src), "dec{l} $dst",
+def DEC32r : I<0x48, AddRegFrm, (ops GR32:$dst, GR32:$src), "dec{l} $dst",
[(set GR32:$dst, (add GR32:$src, -1))]>;
}
_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
