[llvm-commits] CVS: llvm/lib/Target/X86/X86InstrInfo.cpp

[Jeff Cohen]

FWIW, the system assembler is GNU assembler 2.15.

Chris Lattner wrote:
> Changes in directory llvm/lib/Target/X86:
>
> X86InstrInfo.cpp updated: 1.79 -> 1.80
> ---
> Log message:
>
> Fix a problem building llvm-gcc on amd64-unknown-freebsd6.2, due to the 
> system assembler not groking legal instructions like "leal (,%esi,8), %ecx".
>
>
> ---
> Diffs of the changes:  (+3 -1)
>
>  X86InstrInfo.cpp |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletion(-)
>
>
> Index: llvm/lib/Target/X86/X86InstrInfo.cpp
> diff -u llvm/lib/Target/X86/X86InstrInfo.cpp:1.79 llvm/lib/Target/X86/X86InstrInfo.cpp:1.80
> --- llvm/lib/Target/X86/X86InstrInfo.cpp:1.79	Tue Mar 20 01:08:29 2007
> +++ llvm/lib/Target/X86/X86InstrInfo.cpp	Tue Mar 27 19:58:40 2007
> @@ -158,7 +158,9 @@
>      unsigned ShAmt = MI->getOperand(2).getImm();
>      if (ShAmt == 0 || ShAmt >= 4) return 0;
>      
> -    NewMI = BuildMI(get(X86::LEA32r), Dest)
> +    unsigned Opc = TM.getSubtarget<X86Subtarget>().is64Bit() ?
> +      X86::LEA64_32r : X86::LEA32r;
> +    NewMI = BuildMI(get(Opc), Dest)
>        .addReg(0).addImm(1 << ShAmt).addReg(Src).addImm(0);
>      break;
>    }
>
>
>
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