[Beignet] [PATCH] fix operators for 64 bit integer

[Zhigang Gong]

LGTM, will push latter. Thanks.

On Mon, Nov 04, 2013 at 09:39:33AM +0800, Homer Hsing wrote:
> if operand is signed 64 bit integer, emit -1 for SExt casting
> 
> Signed-off-by: Homer Hsing <homer.xing at intel.com>
> ---
>  backend/src/llvm/llvm_gen_backend.cpp | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/backend/src/llvm/llvm_gen_backend.cpp b/backend/src/llvm/llvm_gen_backend.cpp
> index 6f4ed72..b824bf9 100644
> --- a/backend/src/llvm/llvm_gen_backend.cpp
> +++ b/backend/src/llvm/llvm_gen_backend.cpp
> @@ -1694,7 +1694,7 @@ namespace gbe
>            const ir::ImmediateIndex zero = ctx.newIntegerImmediate(0, dstType);
>            ir::ImmediateIndex one;
>            if (I.getOpcode() == Instruction::SExt
> -              && (dstType == ir::TYPE_S8 || dstType == ir::TYPE_S16 || dstType == ir::TYPE_S32))
> +              && (dstType == ir::TYPE_S8 || dstType == ir::TYPE_S16 || dstType == ir::TYPE_S32 || dstType == ir::TYPE_S64))
>              one = ctx.newIntegerImmediate(-1, dstType);
>            else
>              one = ctx.newIntegerImmediate(1, dstType);
> -- 
> 1.8.3.2
> 
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