[llvm-commits] [llvm] r104228 - /llvm/trunk/lib/Target/X86/X86Instr64bit.td

[Dan Gohman]

Author: djg
Date: Thu May 20 10:42:55 2010
New Revision: 104228

URL: http://llvm.org/viewvc/llvm-project?rev=104228&view=rev
Log:
Set neverHasSideEffects on 64-bit pushf and popf, for consistency with
16-bit and 32-bit pushf and popf.

Modified:
    llvm/trunk/lib/Target/X86/X86Instr64bit.td

Modified: llvm/trunk/lib/Target/X86/X86Instr64bit.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Instr64bit.td?rev=104228&r1=104227&r2=104228&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86Instr64bit.td (original)
+++ llvm/trunk/lib/Target/X86/X86Instr64bit.td Thu May 20 10:42:55 2010
@@ -274,9 +274,9 @@
                       "push{q}\t$imm", []>;
 }
 
-let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1 in
+let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1, neverHasSideEffects=1 in
 def POPFQ    : I<0x9D, RawFrm, (outs), (ins), "popf{q}", []>, REX_W;
-let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1 in
+let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
 def PUSHFQ64   : I<0x9C, RawFrm, (outs), (ins), "pushf{q}", []>;
 
 def LEA64_32r : I<0x8D, MRMSrcMem,