[llvm-commits] [llvm] r95448 - in /llvm/trunk: lib/Target/X86/X86InstrInfo.td test/MC/AsmParser/X86/x86_32-encoding.s

Chris Lattner sabre at nondot.org
Fri Feb 5 14:56:11 PST 2010


Author: lattner
Date: Fri Feb  5 16:56:11 2010
New Revision: 95448

URL: http://llvm.org/viewvc/llvm-project?rev=95448&view=rev
Log:
fix incorrect encoding of SBB8mi that Kevin noticed.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrInfo.td
    llvm/trunk/test/MC/AsmParser/X86/x86_32-encoding.s

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.td?rev=95448&r1=95447&r2=95448&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.td Fri Feb  5 16:56:11 2010
@@ -3028,8 +3028,8 @@
   def SBB32mr  : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2), 
                    "sbb{l}\t{$src2, $dst|$dst, $src2}",
                    [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
-  def SBB8mi  : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2), 
-                      "sbb{b}\t{$src2, $dst|$dst, $src2}",
+  def SBB8mi  : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2), 
+                    "sbb{b}\t{$src2, $dst|$dst, $src2}",
                    [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
   def SBB16mi  : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2), 
                       "sbb{w}\t{$src2, $dst|$dst, $src2}",

Modified: llvm/trunk/test/MC/AsmParser/X86/x86_32-encoding.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AsmParser/X86/x86_32-encoding.s?rev=95448&r1=95447&r2=95448&view=diff

==============================================================================
--- llvm/trunk/test/MC/AsmParser/X86/x86_32-encoding.s (original)
+++ llvm/trunk/test/MC/AsmParser/X86/x86_32-encoding.s Fri Feb  5 16:56:11 2010
@@ -1,5 +1,8 @@
 // RUN: llvm-mc -triple i386-unknown-unknown %s -show-encoding | FileCheck %s
 
 fisttpl	3735928559(%ebx,%ecx,8)
-
 # CHECK: encoding: [0xdb,0x8c,0xcb,0xef,0xbe,0xad,0xde]
+
+sbbb    $0xfe,0xdeadbeef(%ebx,%ecx,8)
+
+# CHECK: encoding: [0x80,0x9c,0xcb,0xef,0xbe,0xad,0xde,0xfe]
\ No newline at end of file





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