diff options
| author | Grigore Lupescu <grigore.lupescu at intel.com> | 2016-04-11 17:36:16 +0300 |
|---|---|---|
| committer | Yang Rong <rong.r.yang@intel.com> | 2016-05-18 15:10:36 +0800 |
| commit | b561e87a34f59093de7410f3bd3c0007610133a7 (patch) | |
| tree | 73625c32ab1c9ce1d4ffe1085d71ec351d86c136 /backend/src/backend/gen_context.cpp | |
| parent | 3e829674e077e79dc724ab642c8d01aec9d8a212 (diff) | |
Backend: Workgroup scan cmp qword, workaround for execution width 16
Signed-off-by: Grigore Lupescu <grigore.lupescu at intel.com>
Reviewed-by: Pan Xiuli <xiuli.pan@intel.com>
Diffstat (limited to 'backend/src/backend/gen_context.cpp')
| -rw-r--r-- | backend/src/backend/gen_context.cpp | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/backend/src/backend/gen_context.cpp b/backend/src/backend/gen_context.cpp index a959ba24..7073b807 100644 --- a/backend/src/backend/gen_context.cpp +++ b/backend/src/backend/gen_context.cpp @@ -3263,12 +3263,32 @@ namespace gbe if(wg_op == ir::WORKGROUP_OP_INCLUSIVE_ADD || wg_op == ir::WORKGROUP_OP_EXCLUSIVE_ADD) p->ADD(dst, dst, partialData); - else if(wg_op == ir::WORKGROUP_OP_INCLUSIVE_MIN - || wg_op == ir::WORKGROUP_OP_EXCLUSIVE_MIN) + else if(wg_op == ir::WORKGROUP_OP_INCLUSIVE_MIN || wg_op == ir::WORKGROUP_OP_EXCLUSIVE_MIN) + { p->SEL_CMP(GEN_CONDITIONAL_LE, dst, dst, partialData); - else if(wg_op == ir::WORKGROUP_OP_INCLUSIVE_MAX - || wg_op == ir::WORKGROUP_OP_EXCLUSIVE_MAX) + /* workaround QW datatype on CMP */ + if(dst.type == GEN_TYPE_UL || dst.type == GEN_TYPE_L){ + p->SEL_CMP(GEN_CONDITIONAL_LE, dst.offset(dst, 1, 0), + dst.offset(dst, 1, 0), partialData); + p->SEL_CMP(GEN_CONDITIONAL_LE, dst.offset(dst, 2, 0), + dst.offset(dst, 2, 0), partialData); + p->SEL_CMP(GEN_CONDITIONAL_LE, dst.offset(dst, 3, 0), + dst.offset(dst, 3, 0), partialData); + } + } + else if(wg_op == ir::WORKGROUP_OP_INCLUSIVE_MAX || wg_op == ir::WORKGROUP_OP_EXCLUSIVE_MAX) + { p->SEL_CMP(GEN_CONDITIONAL_GE, dst, dst, partialData); + /* workaround QW datatype on CMP */ + if(dst.type == GEN_TYPE_UL || dst.type == GEN_TYPE_L){ + p->SEL_CMP(GEN_CONDITIONAL_GE, dst.offset(dst, 1, 0), + dst.offset(dst, 1, 0), partialData); + p->SEL_CMP(GEN_CONDITIONAL_GE, dst.offset(dst, 2, 0), + dst.offset(dst, 2, 0), partialData); + p->SEL_CMP(GEN_CONDITIONAL_GE, dst.offset(dst, 3, 0), + dst.offset(dst, 3, 0), partialData); + } + } } /* corner cases for threads 0 */ |