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ac/nir: implement 16-bit pack/unpack opcodes 

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Rhys Perry 2018-12-06 14:40:23 +00:00 committed by Samuel Pitoiset
parent 87dadbce5b
commit f736250ab4
1 changed files with 24 additions and 0 deletions
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24
src/amd/common/ac_nir_to_llvm.c
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@ -1034,6 +1034,30 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
break;
}
case nir_op_pack_32_2x16_split: {
LLVMValueRef tmp = ac_build_gather_values(&ctx->ac, src, 2);
result = LLVMBuildBitCast(ctx->ac.builder, tmp, ctx->ac.i32, "");
break;
}
case nir_op_unpack_32_2x16_split_x: {
LLVMValueRef tmp = LLVMBuildBitCast(ctx->ac.builder, src[0],
ctx->ac.v2i16,
"");
result = LLVMBuildExtractElement(ctx->ac.builder, tmp,
ctx->ac.i32_0, "");
break;
}
case nir_op_unpack_32_2x16_split_y: {
LLVMValueRef tmp = LLVMBuildBitCast(ctx->ac.builder, src[0],
ctx->ac.v2i16,
"");
result = LLVMBuildExtractElement(ctx->ac.builder, tmp,
ctx->ac.i32_1, "");
break;
}
case nir_op_cube_face_coord: {
src[0] = ac_to_float(&ctx->ac, src[0]);
LLVMValueRef results[2];