diff options
| author | Marek Olšák <[email protected]> | 2017-09-30 15:36:18 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2017-10-06 02:56:11 +0200 |
| commit | bcd3e761a3ddf42eee5b3c57b510fc2f2ee54198 (patch) | |
| tree | 06d13c6b103f70a4a1f3a4a6d55de7a6a4554e96 /src/amd | |
| parent | cceb916456075cd79bf54833e80cd79d47d3c90b (diff) | |
ac: properly document a buffer.store LLVM workaround
Reviewed-by: Nicolai Hähnle <[email protected]>
Diffstat (limited to 'src/amd')
| -rw-r--r-- | src/amd/common/ac_llvm_build.c | 13 | ||||
| -rw-r--r-- | src/amd/common/ac_llvm_build.h | 2 |
2 files changed, 9 insertions, 6 deletions
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c index 46153a0c39c..1d97b09cd4f 100644 --- a/src/amd/common/ac_llvm_build.c +++ b/src/amd/common/ac_llvm_build.c @@ -760,10 +760,13 @@ ac_build_buffer_store_dword(struct ac_llvm_context *ctx, bool glc, bool slc, bool writeonly_memory, - bool has_add_tid) + bool swizzle_enable_hint) { - /* TODO: Fix stores with ADD_TID and remove the "has_add_tid" flag. */ - if (!has_add_tid) { + /* SWIZZLE_ENABLE requires that soffset isn't folded into voffset + * (voffset is swizzled, but soffset isn't swizzled). + * llvm.amdgcn.buffer.store doesn't have a separate soffset parameter. + */ + if (!swizzle_enable_hint) { /* Split 3 channel stores, becase LLVM doesn't support 3-channel * intrinsics. */ if (num_channels == 3) { @@ -777,11 +780,11 @@ ac_build_buffer_store_dword(struct ac_llvm_context *ctx, ac_build_buffer_store_dword(ctx, rsrc, v01, 2, voffset, soffset, inst_offset, glc, slc, - writeonly_memory, has_add_tid); + writeonly_memory, swizzle_enable_hint); ac_build_buffer_store_dword(ctx, rsrc, v[2], 1, voffset, soffset, inst_offset + 8, glc, slc, - writeonly_memory, has_add_tid); + writeonly_memory, swizzle_enable_hint); return; } diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h index 1d6dc0ab2f5..ac8ea9c4152 100644 --- a/src/amd/common/ac_llvm_build.h +++ b/src/amd/common/ac_llvm_build.h @@ -170,7 +170,7 @@ ac_build_buffer_store_dword(struct ac_llvm_context *ctx, bool glc, bool slc, bool writeonly_memory, - bool has_add_tid); + bool swizzle_enable_hint); LLVMValueRef ac_build_buffer_load(struct ac_llvm_context *ctx, LLVMValueRef rsrc, |