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ir3: Add reg_elems(), reg_elem_size(), and reg_size()

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For working with registers in units of half-regs in the new RA.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9842>
This commit is contained in:
Connor Abbott
2021-03-25 15:22:44 +01:00
committed by Emma Anholt
parent 890de1a436
commit fc7402b4cf
1 changed files with 20 additions and 0 deletions
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src/freedreno/ir3/ir3.h
+20
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@@ -940,6 +940,26 @@ static inline bool is_meta(struct ir3_instruction *instr)
return (opc_cat(instr->opc) == -1);
}
static inline unsigned reg_elems(const struct ir3_register *reg)
{
if (reg->flags & IR3_REG_ARRAY)
return reg->size;
else
return util_last_bit(reg->wrmask);
}
static inline unsigned
reg_elem_size(const struct ir3_register *reg)
{
return (reg->flags & IR3_REG_HALF) ? 1 : 2;
}
static inline unsigned
reg_size(const struct ir3_register *reg)
{
return reg_elems(reg) * reg_elem_size(reg);
}
static inline unsigned dest_regs(struct ir3_instruction *instr)
{
if ((instr->regs_count == 0) || is_store(instr) || is_flow(instr))