diff options
| author | Connor Abbott <[email protected]> | 2019-08-16 12:46:27 +0200 |
|---|---|---|
| committer | Connor Abbott <[email protected]> | 2019-08-18 15:15:45 +0200 |
| commit | c550d367a747472ee71ed4c99e210174730aa82b (patch) | |
| tree | c142bc645b52f31c139272ef7bf4846231376f78 /src/amd/common/ac_llvm_build.c | |
| parent | 0e394cda0db60ce8b584aac37913b793847ad518 (diff) | |
ac/nir: Fix store_scratch with a non-full writemask
By adding one more helper to ac_llvm_build, we can also easily keep
vector stores together.
Fixes the
tests/spec/glsl-1.30/execution/fs-large-local-array-vec4.shader_test
piglit test.
Fixes: 74470baebbd ("ac/nir: Lower large indirect variables to scratch")
Reviewed-by: Marek Olšák <[email protected]
Diffstat (limited to 'src/amd/common/ac_llvm_build.c')
| -rw-r--r-- | src/amd/common/ac_llvm_build.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c index 24970769b87..823bf34acdb 100644 --- a/src/amd/common/ac_llvm_build.c +++ b/src/amd/common/ac_llvm_build.c @@ -626,6 +626,22 @@ ac_build_expand(struct ac_llvm_context *ctx, return ac_build_gather_values(ctx, chan, dst_channels); } +/* Extract components [start, start + channels) from a vector. + */ +LLVMValueRef +ac_extract_components(struct ac_llvm_context *ctx, + LLVMValueRef value, + unsigned start, + unsigned channels) +{ + LLVMValueRef chan[channels]; + + for (unsigned i = 0; i < channels; i++) + chan[i] = ac_llvm_extract_elem(ctx, value, i + start); + + return ac_build_gather_values(ctx, chan, channels); +} + /* Expand a scalar or vector to <4 x type> by filling the remaining channels * with undef. Extract at most num_channels components from the input. */ |