diff options
| -rw-r--r-- | src/panfrost/midgard/midgard_ra.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/panfrost/midgard/midgard_ra.c b/src/panfrost/midgard/midgard_ra.c index 19c60f4b05d..485ab789cd4 100644 --- a/src/panfrost/midgard/midgard_ra.c +++ b/src/panfrost/midgard/midgard_ra.c @@ -317,6 +317,16 @@ set_class(unsigned *classes, unsigned node, unsigned class) classes[node] |= (class << 2); } +static void +force_vec4(unsigned *classes, unsigned node) +{ + if ((node < 0) || (node >= SSA_FIXED_MINIMUM)) + return; + + /* Force vec4 = 3 */ + classes[node] |= 0x3; +} + /* Special register classes impose special constraints on who can read their * values, so check that */ @@ -514,6 +524,12 @@ allocate_registers(compiler_context *ctx, bool *spilled) set_class(found_class, ins->ssa_args.src0, class); set_class(found_class, ins->ssa_args.src1, class); + + if (force_r27) { + force_vec4(found_class, ins->ssa_args.dest); + force_vec4(found_class, ins->ssa_args.src0); + force_vec4(found_class, ins->ssa_args.src1); + } } } |