[llvm-commits] [llvm] r134501 - in /llvm/trunk: lib/Target/X86/X86InstrInfo.td test/MC/X86/x86-64.s

[Kevin Enderby]

Author: enderby
Date: Wed Jul  6 12:23:46 2011
New Revision: 134501

URL: http://llvm.org/viewvc/llvm-project?rev=134501&view=rev
Log:
Changed the X86 PUSH64i8 record to use the i64i8imm ParserMatchClass so that a
push with a small constant produces a 2-byte push.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrInfo.td
    llvm/trunk/test/MC/X86/x86-64.s

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.td?rev=134501&r1=134500&r2=134501&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.td Wed Jul  6 12:23:46 2011
@@ -669,7 +669,7 @@
 }
 
 let Defs = [RSP], Uses = [RSP], neverHasSideEffects = 1, mayStore = 1 in {
-def PUSH64i8   : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
+def PUSH64i8   : Ii8<0x6a, RawFrm, (outs), (ins i64i8imm:$imm),
                      "push{q}\t$imm", []>;
 def PUSH64i16  : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
                       "push{q}\t$imm", []>;

Modified: llvm/trunk/test/MC/X86/x86-64.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/X86/x86-64.s?rev=134501&r1=134500&r2=134501&view=diff
==============================================================================
--- llvm/trunk/test/MC/X86/x86-64.s (original)
+++ llvm/trunk/test/MC/X86/x86-64.s Wed Jul  6 12:23:46 2011
@@ -219,6 +219,12 @@
 // CHECK: pushq	$1
 push $1
 
+// rdar://9716860
+pushq $1
+// CHECK: encoding: [0x6a,0x01]
+pushq $1111111
+// CHECK: encoding: [0x68,0x47,0xf4,0x10,0x00]
+
 // rdar://8017530
 // CHECK: sldtw	4
 sldt	4