freedreno/ir3: fix legalize for vecN inputs

The wrmask is handled in regmask_get()/regmask_set(), but it wasn't
being propagated from SSA src to dst.  So for example, an SSBO read
value that is passed in as src2.y component to atomic op, wasn't
getting the (sy) flag set.  Causing lots of fail.

Signed-off-by: Rob Clark <robdclark@gmail.com>

diff --git a/src/freedreno/ir3/ir3.h b/src/freedreno/ir3/ir3.h
index 356e9c6..918fce8 100644 (file)
--- a/src/freedreno/ir3/ir3.h
+++ b/src/freedreno/ir3/ir3.h
@@ -1076,6 +1076,7 @@ static inline struct ir3_register * __ssa_src(struct ir3_instruction *instr,
                flags |= IR3_REG_HALF;
        reg = ir3_reg_create(instr, 0, IR3_REG_SSA | flags);
        reg->instr = src;
+       reg->wrmask = src->regs[0]->wrmask;
        return reg;
 }
 

diff --git a/src/freedreno/ir3/ir3_context.c b/src/freedreno/ir3/ir3_context.c
index 1aab739..1fc453c 100644 (file)
--- a/src/freedreno/ir3/ir3_context.c
+++ b/src/freedreno/ir3/ir3_context.c
@@ -340,6 +340,8 @@ ir3_create_collect(struct ir3_context *ctx, struct ir3_instruction *const *arr,
                ir3_reg_create(collect, 0, IR3_REG_SSA | flags)->instr = elem;
        }
 
+       collect->regs[0]->wrmask = MASK(arrsz);
+
        return collect;
 }