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| author | marha <marha@users.sourceforge.net> | 2015-04-30 23:26:47 +0200 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2015-04-30 23:29:47 +0200 |
| commit | 055e5645a789d2822d3c4e5a3bc81ff6a969ff31 (patch) | |
| tree | 8a923f19c3586f9341114be6c81784ab9018aef8 /mesalib/src/glsl/nir/nir_lower_to_source_mods.c | |
| parent | 0f7871ff824bcf064db3ab6bdfe26645ba6c8087 (diff) | |
| parent | a71d524ecad48837e0124a03124bc05f59a48be7 (diff) | |
| download | vcxsrv-055e5645a789d2822d3c4e5a3bc81ff6a969ff31.tar.gz vcxsrv-055e5645a789d2822d3c4e5a3bc81ff6a969ff31.tar.bz2 vcxsrv-055e5645a789d2822d3c4e5a3bc81ff6a969ff31.zip | |
Merge remote-tracking branch 'origin/released'
Diffstat (limited to 'mesalib/src/glsl/nir/nir_lower_to_source_mods.c')
| -rw-r--r-- | mesalib/src/glsl/nir/nir_lower_to_source_mods.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mesalib/src/glsl/nir/nir_lower_to_source_mods.c b/mesalib/src/glsl/nir/nir_lower_to_source_mods.c index d6bf77f17..7b4a0f657 100644 --- a/mesalib/src/glsl/nir/nir_lower_to_source_mods.c +++ b/mesalib/src/glsl/nir/nir_lower_to_source_mods.c @@ -67,6 +67,13 @@ nir_lower_to_source_mods_block(nir_block *block, void *state) continue; } + /* We can only do a rewrite if the source we are copying is SSA. + * Otherwise, moving the read might invalidly reorder reads/writes + * on a register. + */ + if (!parent->src[0].src.is_ssa) + continue; + nir_instr_rewrite_src(instr, &alu->src[i].src, parent->src[0].src); if (alu->src[i].abs) { /* abs trumps both neg and abs, do nothing */ |