Reviewed-by: Bas Nieuwenhuizen <b...@basnieuwenhuizen.nl>
On Sat, Jan 13, 2018 at 11:52 PM, Timothy Arceri <tarc...@itsqueeze.com> wrote:
> V2: just zero-extend the 32-bit value.
>
> Fixes a number of int64 piglet tests, for example:
>
> generated_tests/spec/arb_gpu_shader_int64/execution/conversion/frag-conversion-explicit-bool-int64_t.shader_test
> ---
> src/amd/common/ac_nir_to_llvm.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
> index 1cc44c5cae..04ffbedfb3 100644
> --- a/src/amd/common/ac_nir_to_llvm.c
> +++ b/src/amd/common/ac_nir_to_llvm.c
> @@ -1422,9 +1422,15 @@ static LLVMValueRef emit_f2b(struct ac_llvm_context
> *ctx,
> }
>
> static LLVMValueRef emit_b2i(struct ac_llvm_context *ctx,
> - LLVMValueRef src0)
> + LLVMValueRef src0,
> + unsigned bitsize)
> {
> - return LLVMBuildAnd(ctx->builder, src0, ctx->i32_1, "");
> + LLVMValueRef result = LLVMBuildAnd(ctx->builder, src0, ctx->i32_1,
> "");
> +
> + if (bitsize == 32)
> + return result;
> +
> + return LLVMBuildZExt(ctx->builder, result, ctx->i64, "");
> }
>
> static LLVMValueRef emit_i2b(struct ac_llvm_context *ctx,
> @@ -1979,7 +1985,7 @@ static void visit_alu(struct ac_nir_context *ctx, const
> nir_alu_instr *instr)
> result = emit_f2b(&ctx->ac, src[0]);
> break;
> case nir_op_b2i:
> - result = emit_b2i(&ctx->ac, src[0]);
> + result = emit_b2i(&ctx->ac, src[0],
> instr->dest.dest.ssa.bit_size);
> break;
> case nir_op_i2b:
> src[0] = ac_to_integer(&ctx->ac, src[0]);
> --
> 2.14.3
>
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