From 0812dbd403b473cc57d30dd4c36b191c74e39160 Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Mon, 25 Nov 2019 17:02:44 +0100 Subject: [PATCH] ac: add 8-bit and 16-bit supports to ac_build_permlane16() Signed-off-by: Samuel Pitoiset Reviewed-by: Bas Nieuwenhuizen --- src/amd/llvm/ac_llvm_build.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/src/amd/llvm/ac_llvm_build.c b/src/amd/llvm/ac_llvm_build.c index 54513d7..cf6eda3 100644 --- a/src/amd/llvm/ac_llvm_build.c +++ b/src/amd/llvm/ac_llvm_build.c @@ -3768,6 +3768,11 @@ static LLVMValueRef _ac_build_permlane16(struct ac_llvm_context *ctx, LLVMValueRef src, uint64_t sel, bool exchange_rows, bool bound_ctrl) { + LLVMTypeRef type = LLVMTypeOf(src); + LLVMValueRef result; + + src = LLVMBuildZExt(ctx->builder, src, ctx->i32, ""); + LLVMValueRef args[6] = { src, src, @@ -3776,10 +3781,13 @@ _ac_build_permlane16(struct ac_llvm_context *ctx, LLVMValueRef src, uint64_t sel ctx->i1true, /* fi */ bound_ctrl ? ctx->i1true : ctx->i1false, }; - return ac_build_intrinsic(ctx, exchange_rows ? "llvm.amdgcn.permlanex16" - : "llvm.amdgcn.permlane16", - ctx->i32, args, 6, - AC_FUNC_ATTR_READNONE | AC_FUNC_ATTR_CONVERGENT); + + result = ac_build_intrinsic(ctx, exchange_rows ? "llvm.amdgcn.permlanex16" + : "llvm.amdgcn.permlane16", + ctx->i32, args, 6, + AC_FUNC_ATTR_READNONE | AC_FUNC_ATTR_CONVERGENT); + + return LLVMBuildTrunc(ctx->builder, result, type, ""); } static LLVMValueRef @@ -3790,10 +3798,7 @@ ac_build_permlane16(struct ac_llvm_context *ctx, LLVMValueRef src, uint64_t sel, src = ac_to_integer(ctx, src); unsigned bits = LLVMGetIntTypeWidth(LLVMTypeOf(src)); LLVMValueRef ret; - if (bits == 32) { - ret = _ac_build_permlane16(ctx, src, sel, exchange_rows, - bound_ctrl); - } else { + if (bits > 32) { assert(bits % 32 == 0); LLVMTypeRef vec_type = LLVMVectorType(ctx->i32, bits / 32); LLVMValueRef src_vector = @@ -3812,6 +3817,9 @@ ac_build_permlane16(struct ac_llvm_context *ctx, LLVMValueRef src, uint64_t sel, LLVMConstInt(ctx->i32, i, 0), ""); } + } else { + ret = _ac_build_permlane16(ctx, src, sel, exchange_rows, + bound_ctrl); } return LLVMBuildBitCast(ctx->builder, ret, src_type, ""); } -- 2.7.4