fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-05 20:28:04 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

gallivm: fix non-32 bit popcounts.

Browse source 
Fixes
OpenCL CTS integer_ops popcount

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12285>
This commit is contained in:
Dave Airlie 2020-11-26 17:24:15 +10:00 • committed by Marge Bot
parent 9922ea7e66
commit ff99270923
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/gallium/auxiliary/gallivm/lp_bld_nir.c
View file

@ -591,6 +591,10 @@ static LLVMValueRef do_alu_action(struct lp_build_nir_context *bld_base,
break;
case nir_op_bit_count:
result = lp_build_popcount(get_int_bld(bld_base, false, src_bit_size[0]), src[0]);
if (src_bit_size[0] < 32)
result = LLVMBuildZExt(builder, result, bld_base->int_bld.vec_type, "");
else if (src_bit_size[0] > 32)
result = LLVMBuildTrunc(builder, result, bld_base->int_bld.vec_type, "");
break;
case nir_op_bitfield_select:
result = lp_build_xor(&bld_base->uint_bld, src[2], lp_build_and(&bld_base->uint_bld, src[0], lp_build_xor(&bld_base->uint_bld, src[1], src[2])));