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ir3/cp_postsched: Support multiple destinations 

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14107>
This commit is contained in:
Connor Abbott 2021-12-01 16:13:31 +01:00 committed by Marge Bot
parent cc4f0e804e
commit 89217f636c
1 changed files with 30 additions and 30 deletions
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60
src/freedreno/ir3/ir3_cp_postsched.c
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@ -60,45 +60,45 @@ has_conflicting_write(struct ir3_instruction *src, struct ir3_instruction *use,
if (instr == src)
break;
/* if we are looking at a RELATIV read, we can't move
* it past an a0.x write:
*/
if ((offset < 0) && (dest_regs(instr) > 0) &&
(instr->dsts[0]->num == regid(REG_A0, 0)))
return true;
foreach_dst (dst, instr) {
/* if we are looking at a RELATIV read, we can't move
* it past an a0.x write:
*/
if (dst->num == regid(REG_A0, 0))
return true;
if (!writes_gpr(instr))
continue;
if (!is_dest_gpr(dst))
continue;
struct ir3_register *dst = instr->dsts[0];
if (!(dst->flags & IR3_REG_ARRAY))
continue;
if (!(dst->flags & IR3_REG_ARRAY))
continue;
if (dst->array.id != id)
continue;
if (dst->array.id != id)
continue;
/*
* At this point, we have narrowed down an instruction
* that writes to the same array.. check if it the write
* is to an array element that we care about:
*/
/*
* At this point, we have narrowed down an instruction
* that writes to the same array.. check if it the write
* is to an array element that we care about:
*/
/* is write to an unknown array element? */
if (dst->flags & IR3_REG_RELATIV)
return true;
/* is write to an unknown array element? */
if (dst->flags & IR3_REG_RELATIV)
return true;
/* is read from an unknown array element? */
if (offset < 0)
return true;
/* is read from an unknown array element? */
if (offset < 0)
return true;
/* is write to same array element? */
if (dst->array.offset == offset)
return true;
/* is write to same array element? */
if (dst->array.offset == offset)
return true;
if (last_write)
*def = dst;
if (last_write)
*def = dst;
last_write = false;
last_write = false;
}
}
return false;