diff options
Diffstat (limited to 'src/freedreno/ir3/ir3.h')
| -rw-r--r-- | src/freedreno/ir3/ir3.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/freedreno/ir3/ir3.h b/src/freedreno/ir3/ir3.h index 487dd4b4b1a..f949ba32535 100644 --- a/src/freedreno/ir3/ir3.h +++ b/src/freedreno/ir3/ir3.h @@ -1006,6 +1006,17 @@ static inline bool writes_pred(struct ir3_instruction *instr) return false; } +/* Is it something other than a normal register. Shared regs, p0, and a0/a1 + * are considered special here. Special registers are always accessed with one + * size and never alias normal registers, even though a naive calculation + * would sometimes make it seem like e.g. r30.z aliases a0.x. + */ +static inline bool is_reg_special(const struct ir3_register *reg) +{ + return (reg->flags & IR3_REG_SHARED) || + (reg_num(reg) == REG_A0) || (reg_num(reg) == REG_P0); +} + /* returns defining instruction for reg */ /* TODO better name */ static inline struct ir3_instruction *ssa(struct ir3_register *reg) |