Since llvm.SI.tid is used in several places, it would be better to add
a helper function that returns tid.
Also Mesa needs to support LLVM 3.6 too.
Marek
On Sat, Apr 16, 2016 at 4:39 AM, Tom Stellard wrote:
> We're trying to move to more of the new style intrinsics with include
> the correct target name, and map directly to ISA instructions.
> ---
> src/gallium/drivers/radeonsi/si_shader.c | 12 ++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/src/gallium/drivers/radeonsi/si_shader.c
> b/src/gallium/drivers/radeonsi/si_shader.c
> index c26960b..377ff26 100644
> --- a/src/gallium/drivers/radeonsi/si_shader.c
> +++ b/src/gallium/drivers/radeonsi/si_shader.c
> @@ -4117,14 +4117,22 @@ static void si_llvm_emit_ddxy(
> LLVMValueRef indices[2];
> LLVMValueRef store_ptr, load_ptr0, load_ptr1;
> LLVMValueRef tl, trbl, result[4];
> + LLVMValueRef tid_args[2];
> unsigned swizzle[4];
> unsigned c;
> int idx;
> unsigned mask;
>
> + tid_args[0] = lp_build_const_int32(gallivm, 0x);
> + tid_args[1] = bld_base->uint_bld.zero;
> + tid_args[1] = lp_build_intrinsic(gallivm->builder,
> + "llvm.amdgcn.mbcnt.lo", ctx->i32,
> + tid_args, 2, LLVMReadNoneAttribute);
> +
> indices[0] = bld_base->uint_bld.zero;
> - indices[1] = lp_build_intrinsic(gallivm->builder, "llvm.SI.tid",
> ctx->i32,
> -NULL, 0, LLVMReadNoneAttribute);
> + indices[1] = lp_build_intrinsic(gallivm->builder,
> + "llvm.amdgcn.mbcnt.hi", ctx->i32,
> + tid_args, 2, LLVMReadNoneAttribute);
> store_ptr = LLVMBuildGEP(gallivm->builder, ctx->lds,
> indices, 2, "");
>
> --
> 2.1.0
>
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